X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=shell%2Fev-view.c;h=4fda98c155989e76c65369fa5d000bbcd973e5fc;hb=8370e4fa6c0a90a4d10294e3a74ed87d90b8db94;hp=04dfd73fd65e9d933d47e56f2eaa5c5c522024e3;hpb=fba0ac29870eb3907c86a48733ba30d158f1b119;p=evince.git diff --git a/shell/ev-view.c b/shell/ev-view.c index 04dfd73f..4fda98c1 100644 --- a/shell/ev-view.c +++ b/shell/ev-view.c @@ -18,45 +18,68 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. */ +#include #include +#include #include #include #include #include #include #include -#include #include "ev-marshal.h" #include "ev-view.h" +#include "ev-view-private.h" +#include "ev-utils.h" +#include "ev-selection.h" +#include "ev-document-links.h" +#include "ev-document-images.h" #include "ev-document-find.h" +#include "ev-document-transition.h" +#include "ev-document-forms.h" #include "ev-document-misc.h" -#include "ev-debug.h" #include "ev-job-queue.h" #include "ev-page-cache.h" #include "ev-pixbuf-cache.h" +#if !GTK_CHECK_VERSION (2, 11, 7) +#include "ev-tooltip.h" +#endif +#include "ev-application.h" #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass)) #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW)) #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass)) + enum { PROP_0, - PROP_STATUS, PROP_FIND_STATUS, PROP_CONTINUOUS, PROP_DUAL_PAGE, PROP_FULLSCREEN, PROP_PRESENTATION, PROP_SIZING_MODE, + PROP_ZOOM, + PROP_ROTATION, + PROP_HAS_SELECTION, }; enum { - SIGNAL_SCROLL_VIEW, + SIGNAL_BINDING_ACTIVATED, SIGNAL_ZOOM_INVALID, + SIGNAL_HANDLE_LINK, + SIGNAL_EXTERNAL_LINK, + SIGNAL_POPUP_MENU, N_SIGNALS, }; +enum { + TARGET_DND_URI, + TARGET_DND_TEXT, + TARGET_DND_IMAGE +}; + enum { TARGET_STRING, TARGET_TEXT, @@ -65,124 +88,46 @@ enum { TARGET_TEXT_BUFFER_CONTENTS }; -static const GtkTargetEntry targets[] = { +static const GtkTargetEntry clipboard_targets[] = { { "STRING", 0, TARGET_STRING }, { "TEXT", 0, TARGET_TEXT }, { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT }, { "UTF8_STRING", 0, TARGET_UTF8_STRING }, }; +static const GtkTargetEntry view_drop_targets[] = { + { "text/uri-list", 0, 0 } +}; + static guint signals[N_SIGNALS]; typedef enum { - EV_VIEW_CURSOR_NORMAL, - EV_VIEW_CURSOR_LINK, - EV_VIEW_CURSOR_WAIT, - EV_VIEW_CURSOR_HIDDEN, - EV_VIEW_CURSOR_DRAG -} EvViewCursor; + EV_VIEW_FIND_NEXT, + EV_VIEW_FIND_PREV +} EvViewFindDirection; #define ZOOM_IN_FACTOR 1.2 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR) #define MIN_SCALE 0.05409 -#define MAX_SCALE 6.0 - -typedef struct { - EvRectangle rect; - int page; -} EvViewSelection; - -typedef struct { - gboolean dragging; - GdkPoint start; - gdouble hadj; - gdouble vadj; -} DragInfo; - -typedef enum { - SCROLL_TO_KEEP_POSITION, - SCROLL_TO_CURRENT_PAGE, - SCROLL_TO_CENTER -} PendingScroll; - -struct _EvView { - GtkWidget parent_instance; - - EvDocument *document; - - char *status; - char *find_status; - - int scroll_x; - int scroll_y; +#define MAX_SCALE 4.0 - DragInfo drag_info; - gboolean pressed_button; - GdkPoint selection_start; - GList *selections; - EvViewCursor cursor; - - GtkAdjustment *hadjustment; - GtkAdjustment *vadjustment; - - EvPageCache *page_cache; - EvPixbufCache *pixbuf_cache; - - gint start_page; - gint end_page; - gint current_page; - - EvJobRender *current_job; - - int find_page; - int find_result; - int spacing; - - double scale; - GtkBorder border; - - gboolean continuous; - gboolean dual_page; - gboolean fullscreen; - gboolean presentation; - EvSizingMode sizing_mode; - - PendingScroll pending_scroll; -}; - -struct _EvViewClass { - GtkWidgetClass parent_class; - - void (*set_scroll_adjustments) (EvView *view, - GtkAdjustment *hadjustment, - GtkAdjustment *vadjustment); - void (*scroll_view) (EvView *view, - GtkScrollType scroll, - gboolean horizontal); - void (*zoom_invalid) (EvView *view); -}; +#define SCROLL_TIME 150 /*** Scrolling ***/ -static void view_update_adjustments (EvView *view); -static void ev_view_set_scroll_adjustments (EvView *view, +static void scroll_to_current_page (EvView *view, + GtkOrientation orientation); +static void ev_view_set_scroll_adjustments (GtkLayout *layout, GtkAdjustment *hadjustment, GtkAdjustment *vadjustment); static void view_update_range_and_current_page (EvView *view); -static void view_scroll_to_page (EvView *view, - gint new_page); static void set_scroll_adjustment (EvView *view, GtkOrientation orientation, GtkAdjustment *adjustment); -static void ev_view_set_scroll_adjustments (EvView *view, - GtkAdjustment *hadjustment, - GtkAdjustment *vadjustment); static void add_scroll_binding_keypad (GtkBindingSet *binding_set, guint keyval, - GtkScrollType scroll, - gboolean horizontal); -static void ev_view_scroll_view (EvView *view, - GtkScrollType scroll, + GdkModifierType modifiers, + EvScrollType scroll, gboolean horizontal); static void ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect); @@ -192,6 +137,10 @@ static void compute_border (EvView int width, int height, GtkBorder *border); +static void get_page_y_offset (EvView *view, + int page, + double zoom, + int *y_offset); static gboolean get_page_extents (EvView *view, gint page, GdkRectangle *page_area, @@ -204,24 +153,26 @@ static void doc_rect_to_view_rect (EvView int page, EvRectangle *doc_rect, GdkRectangle *view_rect); -static void get_bounding_box_size (EvView *view, - int *max_width, - int *max_height); static void find_page_at_location (EvView *view, gdouble x, gdouble y, gint *page, gint *x_offset, gint *y_offset); - +static gboolean doc_point_to_view_point (EvView *view, + int page, + EvPoint *doc_point, + GdkPoint *view_point); /*** Hyperrefs ***/ -static EvLink* get_link_at_location (EvView *view, - gdouble x, - gdouble y); -static void go_to_link (EvView *view, - EvLink *link); -static char* status_message_from_link (EvView *view, +static EvLink * ev_view_get_link_at_location (EvView *view, + gdouble x, + gdouble y); +static char* tip_from_link (EvView *view, EvLink *link); +/*** Forms ***/ +static EvFormField *ev_view_get_form_field_at_location (EvView *view, + gdouble x, + gdouble y); /*** GtkWidget implementation ***/ static void ev_view_size_request_continuous_dual_page (EvView *view, @@ -237,17 +188,26 @@ static void ev_view_size_request (GtkWidget static void ev_view_size_allocate (GtkWidget *widget, GtkAllocation *allocation); static void ev_view_realize (GtkWidget *widget); -static void ev_view_unrealize (GtkWidget *widget); static gboolean ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event); static gboolean ev_view_expose_event (GtkWidget *widget, GdkEventExpose *event); +static gboolean ev_view_popup_menu (GtkWidget *widget); static gboolean ev_view_button_press_event (GtkWidget *widget, GdkEventButton *event); static gboolean ev_view_motion_notify_event (GtkWidget *widget, GdkEventMotion *event); static gboolean ev_view_button_release_event (GtkWidget *widget, GdkEventButton *event); +static gboolean ev_view_enter_notify_event (GtkWidget *widget, + GdkEventCrossing *event); +static gboolean ev_view_leave_notify_event (GtkWidget *widget, + GdkEventCrossing *event); +static void ev_view_style_set (GtkWidget *widget, + GtkStyle *old_style); +static void ev_view_remove_all (EvView *view); + +static AtkObject *ev_view_get_accessible (GtkWidget *widget); /*** Drawing ***/ static guint32 ev_gdk_color_to_rgb (const GdkColor *color); @@ -259,8 +219,13 @@ static void highlight_find_results (EvView int page); static void draw_one_page (EvView *view, gint page, + cairo_t *cr, GdkRectangle *page_area, GtkBorder *border, + GdkRectangle *expose_area, + gboolean *page_ready); +static void draw_loading_text (EvView *view, + GdkRectangle *page_area, GdkRectangle *expose_area); /*** Callbacks ***/ @@ -268,6 +233,7 @@ static void find_changed_cb (EvDocument int page, EvView *view); static void job_finished_cb (EvPixbufCache *pixbuf_cache, + GdkRegion *region, EvView *view); static void page_changed_cb (EvPageCache *page_cache, int new_page, @@ -295,6 +261,11 @@ static double zoom_for_size_fit_width (int doc_width, int target_width, int target_height, int vsb_width); +static double zoom_for_size_fit_height (int doc_width, + int doc_height, + int target_width, + int target_height, + int vsb_height); static double zoom_for_size_best_fit (int doc_width, int doc_height, int target_width, @@ -328,21 +299,26 @@ static void ev_view_zoom_for_size_single_page (EvView *view, static GdkCursor* ev_view_create_invisible_cursor (void); static void ev_view_set_cursor (EvView *view, EvViewCursor new_cursor); +static void ev_view_handle_cursor_over_xy (EvView *view, + gint x, + gint y); -/*** Status messages ***/ -static void ev_view_set_status (EvView *view, - const char *message); -static void update_find_status_message (EvView *view); +/*** Find ***/ +static void update_find_status_message (EvView *view, + gboolean this_page); static void ev_view_set_find_status (EvView *view, const char *message); -/*** Find ***/ static void jump_to_find_result (EvView *view); -static void jump_to_find_page (EvView *view); +static void jump_to_find_page (EvView *view, + EvViewFindDirection direction, + gint shift); /*** Selection ***/ static void compute_selections (EvView *view, - GdkRectangle *view_rect); + GdkPoint *start, + GdkPoint *stop); static void clear_selection (EvView *view); +static void selection_free (EvViewSelection *selection); static char* get_selected_text (EvView *ev_view); static void ev_view_primary_get_cb (GtkClipboard *clipboard, GtkSelectionData *selection_data, @@ -352,37 +328,55 @@ static void ev_view_primary_clear_cb (GtkClipboard gpointer data); static void ev_view_update_primary_selection (EvView *ev_view); - -G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_WIDGET) +/*** Presentation ***/ +static void ev_view_presentation_transition_start (EvView *ev_view); +static void ev_view_presentation_transition_stop (EvView *ev_view); + + +G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT) static void -view_update_adjustments (EvView *view) +scroll_to_current_page (EvView *view, GtkOrientation orientation) { - int dx = 0, dy = 0; + GdkPoint view_point; - if (! GTK_WIDGET_REALIZED (view)) + if (view->document == NULL) { return; + } - if (view->hadjustment) { - dx = view->scroll_x - view->hadjustment->value; - view->scroll_x = view->hadjustment->value; + doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point); + + if (orientation == GTK_ORIENTATION_VERTICAL) { + view->pending_point.y = 0; } else { - view->scroll_x = 0; + view->pending_point.x = 0; } - if (view->vadjustment) { - dy = view->scroll_y - view->vadjustment->value; - view->scroll_y = view->vadjustment->value; + if (orientation == GTK_ORIENTATION_VERTICAL) { + if (view->continuous) { + gtk_adjustment_clamp_page (view->vadjustment, + view_point.y - view->spacing / 2, + view_point.y + view->vadjustment->page_size); + } else { + gtk_adjustment_set_value (view->vadjustment, + CLAMP (view_point.y, + view->vadjustment->lower, + view->vadjustment->upper - + view->vadjustment->page_size)); + } } else { - view->scroll_y = 0; + if (view->dual_page) { + gtk_adjustment_clamp_page (view->hadjustment, + view_point.x, + view_point.x + view->hadjustment->page_size); + } else { + gtk_adjustment_set_value (view->hadjustment, + CLAMP (view_point.x, + view->hadjustment->lower, + view->hadjustment->upper - + view->hadjustment->page_size)); + } } - - // gtk_widget_queue_draw (GTK_WIDGET (view)); - gdk_window_scroll (GTK_WIDGET (view)->window, dx, dy); - - - if (view->document) - view_update_range_and_current_page (view); } static void @@ -409,15 +403,16 @@ view_set_adjustment_values (EvView *view, if (!adjustment) return; - + factor = 1.0; switch (view->pending_scroll) { - case SCROLL_TO_KEEP_POSITION: - factor = adjustment->value / adjustment->upper; + case SCROLL_TO_KEEP_POSITION: + case SCROLL_TO_FIND_LOCATION: + factor = (adjustment->value) / adjustment->upper; break; - case SCROLL_TO_CURRENT_PAGE: + case SCROLL_TO_PAGE_POSITION: break; - case SCROLL_TO_CENTER: + case SCROLL_TO_CENTER: factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper; break; } @@ -428,19 +423,22 @@ view_set_adjustment_values (EvView *view, adjustment->lower = 0; adjustment->upper = MAX (allocation, requisition); + /* + * We add 0.5 to the values before to average out our rounding errors. + */ switch (view->pending_scroll) { - case SCROLL_TO_KEEP_POSITION: - new_value = CLAMP (adjustment->upper * factor, 0, adjustment->upper - adjustment->page_size); - gtk_adjustment_set_value (adjustment, new_value); + case SCROLL_TO_KEEP_POSITION: + case SCROLL_TO_FIND_LOCATION: + new_value = CLAMP (adjustment->upper * factor + 0.5, 0, adjustment->upper - adjustment->page_size); + gtk_adjustment_set_value (adjustment, (int)new_value); break; - case SCROLL_TO_CURRENT_PAGE: - if (orientation == GTK_ORIENTATION_VERTICAL) { - view_scroll_to_page (view, view->current_page); - } + case SCROLL_TO_PAGE_POSITION: + scroll_to_current_page (view, orientation); break; - case SCROLL_TO_CENTER: - new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5, 0, adjustment->upper - adjustment->page_size); - gtk_adjustment_set_value (adjustment, new_value); + case SCROLL_TO_CENTER: + new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5, + 0, adjustment->upper - adjustment->page_size); + gtk_adjustment_set_value (adjustment, (int)new_value); break; } @@ -450,143 +448,85 @@ view_set_adjustment_values (EvView *view, static void view_update_range_and_current_page (EvView *view) { + gint current_page; + gint best_current_page = -1; + /* Presentation trumps all other modes */ if (view->presentation) { view->start_page = view->current_page; view->end_page = view->current_page; } else if (view->continuous) { GdkRectangle current_area, unused, page_area; - gint current_page; + GtkBorder border; gboolean found = FALSE; + gint area_max = -1, area; int i; - - get_bounding_box_size (view, &(page_area.width), &(page_area.height)); - page_area.x = view->spacing; - page_area.y = view->spacing; - if (view->hadjustment) { - current_area.x = view->hadjustment->value; - current_area.width = view->hadjustment->page_size; - } else { - current_area.x = page_area.x; - current_area.width = page_area.width; - } + if (!(view->vadjustment && view->hadjustment)) + return; - if (view->vadjustment) { - current_area.y = view->vadjustment->value; - current_area.height = view->vadjustment->page_size; - } else { - current_area.y = page_area.y; - current_area.height = page_area.height; - } + current_area.x = view->hadjustment->value; + current_area.width = view->hadjustment->upper; + current_area.y = view->vadjustment->value; + current_area.height = view->vadjustment->page_size; for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) { + + get_page_extents (view, i, &page_area, &border); + if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) { - if (! found) { + area = unused.width * unused.height; + + if (!found) { + area_max = area; view->start_page = i; found = TRUE; - + best_current_page = i; } + if (area > area_max) { + best_current_page = (area == area_max) ? MIN (i, best_current_page) : i; + area_max = area; + } + view->end_page = i; } else if (found) { break; } - if (view->dual_page) { - if (i % 2 == 0) { - page_area.x += page_area.width + view->spacing; - } else { - page_area.x = view->spacing; - page_area.y += page_area.height + view->spacing; - } - } else { - page_area.y += page_area.height + view->spacing; - } } - current_page = ev_page_cache_get_current_page (view->page_cache); - - if (current_page < view->start_page || current_page > view->end_page) { - view->current_page = view->start_page; - ev_page_cache_set_current_page (view->page_cache, view->start_page); - } - } else { - if (view->dual_page) { - if (view->current_page % 2 == 0) { + } else if (view->dual_page) { + if (view->current_page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) { + view->start_page = view->current_page; + if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) + view->end_page = view->start_page + 1; + else + view->end_page = view->start_page; + } else { + if (view->current_page < 1) view->start_page = view->current_page; - if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) - view->end_page = view->start_page + 1; - } else { + else view->start_page = view->current_page - 1; - view->end_page = view->current_page; - } - } else { - view->start_page = view->current_page; view->end_page = view->current_page; } + } else { + view->start_page = view->current_page; + view->end_page = view->current_page; } - ev_pixbuf_cache_set_page_range (view->pixbuf_cache, - view->start_page, - view->end_page, - view->scale); -} - -static void -view_scroll_to_page (EvView *view, gint new_page) -{ - EvPageCache *page_cache = view->page_cache; - int old_width, old_height; - int new_width, new_height; - int max_height, max_width, n_rows; - - ev_page_cache_get_size (page_cache, - view->current_page, - view->scale, - &old_width, &old_height); - - ev_page_cache_get_size (page_cache, - new_page, - view->scale, - &new_width, &new_height); - - compute_border (view, new_width, new_height, &(view->border)); - - if (new_width != old_width || new_height != old_height) - gtk_widget_queue_resize (GTK_WIDGET (view)); - else - gtk_widget_queue_draw (GTK_WIDGET (view)); - - get_bounding_box_size (view, &max_width, &max_height); - - if (view->continuous && view->vadjustment) { - - n_rows = view->dual_page ? new_page / 2 : new_page; + best_current_page = MAX (best_current_page, view->start_page); + current_page = ev_page_cache_get_current_page (view->page_cache); - gtk_adjustment_clamp_page(view->vadjustment, - (max_height + view->spacing) * n_rows, - (max_height + view->spacing) * n_rows + - view->vadjustment->page_size); - } else { - gtk_adjustment_set_value (view->vadjustment, - view->vadjustment->lower); - } - - if (view->dual_page && view->hadjustment) { - if (new_page % 2 == 0) { - gtk_adjustment_set_value (view->hadjustment, - view->hadjustment->lower); - } else { - gtk_adjustment_clamp_page (view->hadjustment, - view->hadjustment->lower + - max_width + view->spacing, - view->hadjustment->lower + - max_width + view->spacing + - view->hadjustment->page_size); - } + if ((current_page != best_current_page) && (view->pending_scroll == SCROLL_TO_KEEP_POSITION)) { + view->current_page = best_current_page; + ev_page_cache_set_current_page (view->page_cache, best_current_page); } - view->current_page = new_page; - view_update_range_and_current_page (view); + ev_pixbuf_cache_set_page_range (view->pixbuf_cache, + view->start_page, + view->end_page, + view->rotation, + view->scale, + view->selection_info.selections); } static void @@ -621,45 +561,67 @@ set_scroll_adjustment (EvView *view, } static void -ev_view_set_scroll_adjustments (EvView *view, +ev_view_set_scroll_adjustments (GtkLayout *layout, GtkAdjustment *hadjustment, GtkAdjustment *vadjustment) { + EvView *view = EV_VIEW (layout); + set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment); set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment); - - view_update_adjustments (view); + + on_adjustment_value_changed (NULL, view); } static void add_scroll_binding_keypad (GtkBindingSet *binding_set, guint keyval, - GtkScrollType scroll, + GdkModifierType modifiers, + EvScrollType scroll, gboolean horizontal) { guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left; - gtk_binding_entry_add_signal (binding_set, keyval, 0, - "scroll_view", 2, - GTK_TYPE_SCROLL_TYPE, scroll, + gtk_binding_entry_add_signal (binding_set, keyval, modifiers, + "binding_activated", 2, + EV_TYPE_SCROLL_TYPE, scroll, G_TYPE_BOOLEAN, horizontal); - gtk_binding_entry_add_signal (binding_set, keypad_keyval, 0, - "scroll_view", 2, - GTK_TYPE_SCROLL_TYPE, scroll, + gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers, + "binding_activated", 2, + EV_TYPE_SCROLL_TYPE, scroll, G_TYPE_BOOLEAN, horizontal); } void ev_view_scroll (EvView *view, - EvScrollType scroll) + EvScrollType scroll, + gboolean horizontal) { GtkAdjustment *adjustment; double value, increment; gboolean first_page = FALSE; gboolean last_page = FALSE; + view->jump_to_find_result = FALSE; + + if (view->presentation || view->sizing_mode == EV_SIZING_BEST_FIT) { + switch (scroll) { + case EV_SCROLL_PAGE_BACKWARD: + case EV_SCROLL_STEP_BACKWARD: + ev_view_previous_page (view); + break; + case EV_SCROLL_PAGE_FORWARD: + case EV_SCROLL_STEP_FORWARD: + ev_view_next_page (view); + break; + default: + break; + } + return; + } + /* Assign values for increment and vertical adjustment */ - adjustment = view->vadjustment; + adjustment = horizontal ? view->hadjustment : view->vadjustment; increment = adjustment->page_size * 0.75; value = adjustment->value; @@ -677,7 +639,7 @@ ev_view_scroll (EvView *view, /* At the top of a page, assign the upper bound limit of previous page */ } else if (value == (adjustment->lower)) { value = adjustment->upper - adjustment->page_size; - ev_page_cache_set_current_page (view->page_cache, view->current_page - 1); + ev_view_previous_page (view); /* Jump to the top */ } else { value = MAX (value - increment, adjustment->lower); @@ -690,48 +652,30 @@ ev_view_scroll (EvView *view, /* At the bottom of a page, assign the lower bound limit of next page */ } else if (value == (adjustment->upper - adjustment->page_size)) { value = 0; - ev_page_cache_set_current_page (view->page_cache, view->current_page + 1); + ev_view_next_page (view); /* Jump to the bottom */ } else { value = MIN (value + increment, adjustment->upper - adjustment->page_size); } break; - default: - break; - } - - gtk_adjustment_set_value (adjustment, value); -} - -static void -ev_view_scroll_view (EvView *view, - GtkScrollType scroll, - gboolean horizontal) -{ - GtkAdjustment *adjustment; - double value; - - if (horizontal) { - adjustment = view->hadjustment; - } else { - adjustment = view->vadjustment; - } - - value = adjustment->value; - - switch (scroll) { - case GTK_SCROLL_STEP_BACKWARD: + case EV_SCROLL_STEP_BACKWARD: value -= adjustment->step_increment; break; - case GTK_SCROLL_STEP_FORWARD: + case EV_SCROLL_STEP_FORWARD: value += adjustment->step_increment; break; - default: + case EV_SCROLL_STEP_DOWN: + value -= adjustment->step_increment / 10; + break; + case EV_SCROLL_STEP_UP: + value += adjustment->step_increment / 10; + break; + default: break; } value = CLAMP (value, adjustment->lower, - adjustment->upper - adjustment->page_size); + adjustment->upper - adjustment->page_size); gtk_adjustment_set_value (adjustment, value); } @@ -745,6 +689,8 @@ ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect) GtkAdjustment *adjustment; int value; + view->pending_scroll = SCROLL_TO_FIND_LOCATION; + adjustment = view->vadjustment; if (rect->y < adjustment->value) { @@ -768,6 +714,8 @@ ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect) widget->allocation.width + MARGIN); gtk_adjustment_set_value (view->hadjustment, value); } + + gtk_widget_queue_resize (GTK_WIDGET (view)); } /*** Geometry computations ***/ @@ -785,6 +733,32 @@ compute_border (EvView *view, int width, int height, GtkBorder *border) } } +static void +get_page_y_offset (EvView *view, int page, double zoom, int *y_offset) +{ + int max_width, offset; + GtkBorder border; + + g_return_if_fail (y_offset != NULL); + + ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width); + + compute_border (view, max_width, max_width, &border); + + if (view->dual_page) { + ev_page_cache_get_height_to_page (view->page_cache, page, + view->rotation, zoom, NULL, &offset); + offset += ((page + ev_page_cache_get_dual_even_left (view->page_cache)) / 2 + 1) * view->spacing + ((page + ev_page_cache_get_dual_even_left (view->page_cache)) / 2 ) * (border.top + border.bottom); + } else { + ev_page_cache_get_height_to_page (view->page_cache, page, + view->rotation, zoom, &offset, NULL); + offset += (page + 1) * view->spacing + page * (border.top + border.bottom); + } + + *y_offset = offset; + return; +} + static gboolean get_page_extents (EvView *view, gint page, @@ -796,24 +770,9 @@ get_page_extents (EvView *view, widget = GTK_WIDGET (view); - /* Quick sanity check */ - if (view->presentation) { - if (view->current_page != page) - return FALSE; - } else if (view->continuous) { - if (page < view->start_page || - page > view->end_page) - return FALSE; - } else if (view->dual_page) { - if (ABS (page - view->current_page) > 1) - return FALSE; - } else { - if (view->current_page != page) - return FALSE; - } - /* Get the size of the page */ ev_page_cache_get_size (view->page_cache, page, + view->rotation, view->scale, &width, &height); compute_border (view, width, height, border); @@ -824,20 +783,25 @@ get_page_extents (EvView *view, page_area->x = (MAX (0, widget->allocation.width - width))/2; page_area->y = (MAX (0, widget->allocation.height - height))/2; } else if (view->continuous) { - gint max_width, max_height; + gint max_width; gint x, y; - get_bounding_box_size (view, &max_width, &max_height); + ev_page_cache_get_max_width (view->page_cache, view->rotation, + view->scale, &max_width); + max_width = max_width + border->left + border->right; /* Get the location of the bounding box */ if (view->dual_page) { - x = view->spacing + (page % 2) * (max_width + view->spacing); - y = view->spacing + (page / 2) * (max_height + view->spacing); - x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3))/2; + x = view->spacing + ((page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? 0 : 1) * (max_width + view->spacing); + x = x + MAX (0, widget->allocation.width - (max_width * 2 + view->spacing * 3)) / 2; + if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) + x = x + (max_width - width - border->left - border->right); } else { x = view->spacing; - y = view->spacing + page * (max_height + view->spacing); - x = x + MAX (0, widget->allocation.width - (max_width + view->spacing * 2))/2; + x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2)) / 2; } + + get_page_y_offset (view, page, view->scale, &y); + page_area->x = x; page_area->y = y; } else { @@ -849,12 +813,14 @@ get_page_extents (EvView *view, GtkBorder overall_border; gint other_page; - other_page = page ^ 1; + other_page = (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? page + 1: page - 1; /* First, we get the bounding box of the two pages */ - if (other_page < ev_page_cache_get_n_pages (view->page_cache)) { + if (other_page < ev_page_cache_get_n_pages (view->page_cache) + && (0 <= other_page)) { ev_page_cache_get_size (view->page_cache, - page + 1, + other_page, + view->rotation, view->scale, &width_2, &height_2); if (width_2 > width) @@ -869,7 +835,7 @@ get_page_extents (EvView *view, y = view->spacing; /* Adjust for being the left or right page */ - if (page % 2 == 0) + if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) x = x + max_width - width; else x = x + (max_width + overall_border.left + overall_border.right) + view->spacing; @@ -885,8 +851,8 @@ get_page_extents (EvView *view, y = view->spacing; /* Adjust for extra allocation */ - x = x + MAX (0, widget->allocation.width - (width + view->spacing * 2))/2; - y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2; + x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2; + y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2; } page_area->x = x; @@ -896,60 +862,118 @@ get_page_extents (EvView *view, return TRUE; } +static void +view_point_to_doc_point (EvView *view, + GdkPoint *view_point, + GdkRectangle *page_area, + double *doc_point_x, + double *doc_point_y) +{ + *doc_point_x = (double) (view_point->x - page_area->x) / view->scale; + *doc_point_y = (double) (view_point->y - page_area->y) / view->scale; +} + static void view_rect_to_doc_rect (EvView *view, GdkRectangle *view_rect, GdkRectangle *page_area, EvRectangle *doc_rect) { - doc_rect->x1 = floor ((view_rect->x - page_area->x) / view->scale); - doc_rect->y1 = floor ((view_rect->y - page_area->y) / view->scale); - doc_rect->x2 = doc_rect->x1 + ceil (view_rect->width / view->scale); - doc_rect->y2 = doc_rect->y1 + ceil (view_rect->height / view->scale); + doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale; + doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale; + doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale; + doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale; } -static void -doc_rect_to_view_rect (EvView *view, - int page, - EvRectangle *doc_rect, - GdkRectangle *view_rect) +static gboolean +doc_point_to_view_point (EvView *view, + int page, + EvPoint *doc_point, + GdkPoint *view_point) { GdkRectangle page_area; GtkBorder border; + double x, y, view_x, view_y; int width, height; + ev_page_cache_get_size (view->page_cache, page, + view->rotation, + 1.0, + &width, &height); + + if (view->rotation == 0) { + x = doc_point->x; + y = doc_point->y; + } else if (view->rotation == 90) { + x = width - doc_point->y; + y = doc_point->x; + } else if (view->rotation == 180) { + x = width - doc_point->x; + y = height - doc_point->y; + } else if (view->rotation == 270) { + x = doc_point->y; + y = height - doc_point->x; + } else { + g_assert_not_reached (); + } + get_page_extents (view, page, &page_area, &border); - width = doc_rect->x2 - doc_rect->x1; - height = doc_rect->y2 - doc_rect->y1; - view_rect->x = floor (doc_rect->x1 * view->scale) + page_area.x; - view_rect->y = floor (doc_rect->y1 * view->scale) + page_area.y; - view_rect->width = ceil (width * view->scale); - view_rect->height = ceil (height * view->scale); + view_x = x * view->scale; + view_y = y * view->scale; + view_point->x = view_x + page_area.x; + view_point->y = view_y + page_area.y; + + return (view_x > 0 && view_x <= page_area.width && + view_y > 0 && view_y <= page_area.height); } static void -get_bounding_box_size (EvView *view, int *max_width, int *max_height) +doc_rect_to_view_rect (EvView *view, + int page, + EvRectangle *doc_rect, + GdkRectangle *view_rect) { + GdkRectangle page_area; GtkBorder border; + double x, y, w, h; int width, height; - if (max_width) { - ev_page_cache_get_max_width_size (view->page_cache, - view->scale, - &width, &height); - compute_border (view, width, height, &border); - *max_width = width + border.left + border.right; + ev_page_cache_get_size (view->page_cache, page, + view->rotation, + 1.0, + &width, &height); + + if (view->rotation == 0) { + x = doc_rect->x1; + y = doc_rect->y1; + w = doc_rect->x2 - doc_rect->x1; + h = doc_rect->y2 - doc_rect->y1; + } else if (view->rotation == 90) { + x = width - doc_rect->y2; + y = doc_rect->x1; + w = doc_rect->y2 - doc_rect->y1; + h = doc_rect->x2 - doc_rect->x1; + } else if (view->rotation == 180) { + x = width - doc_rect->x2; + y = height - doc_rect->y2; + w = doc_rect->x2 - doc_rect->x1; + h = doc_rect->y2 - doc_rect->y1; + } else if (view->rotation == 270) { + x = doc_rect->y1; + y = height - doc_rect->x2; + w = doc_rect->y2 - doc_rect->y1; + h = doc_rect->x2 - doc_rect->x1; + } else { + g_assert_not_reached (); } + get_page_extents (view, page, &page_area, &border); - if (max_height) { - ev_page_cache_get_max_height_size (view->page_cache, - view->scale, - &width, &height); - compute_border (view, width, height, &border); - *max_height = height + border.top + border.bottom; - } + view_rect->x = x * view->scale + page_area.x; + view_rect->y = y * view->scale + page_area.y; + view_rect->width = w * view->scale; + view_rect->height = h * view->scale; } static void @@ -990,98 +1014,1094 @@ find_page_at_location (EvView *view, *page = -1; } -/*** Hyperref ***/ -static EvLink * -get_link_at_location (EvView *view, - gdouble x, - gdouble y) +static gboolean +location_in_text (EvView *view, + gdouble x, + gdouble y) { + GdkRegion *region; gint page = -1; gint x_offset = 0, y_offset = 0; - GList *link_mapping; find_page_at_location (view, x, y, &page, &x_offset, &y_offset); if (page == -1) - return NULL; - - link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page); + return FALSE; + + region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page); - if (link_mapping) - return ev_link_mapping_find (link_mapping, x_offset / view->scale, y_offset / view->scale); + if (region) + return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale); else - return NULL; + return FALSE; } -/* FIXME: standardize this sometime */ -static void -go_to_link (EvView *view, EvLink *link) +static int +ev_view_get_width (EvView *view) { - EvLinkType type; - const char *uri; - int page; - - type = ev_link_get_link_type (link); - - switch (type) { - case EV_LINK_TYPE_TITLE: - break; - case EV_LINK_TYPE_PAGE: - page = ev_link_get_page (link); - ev_page_cache_set_current_page (view->page_cache, page); - break; - case EV_LINK_TYPE_EXTERNAL_URI: - uri = ev_link_get_uri (link); - gnome_vfs_url_show (uri); - break; - } + return GTK_WIDGET (view)->allocation.width; +} + +static int +ev_view_get_height (EvView *view) +{ + return GTK_WIDGET (view)->allocation.height; +} + +static gboolean +location_in_selected_text (EvView *view, + gdouble x, + gdouble y) +{ + gint page = -1; + gint x_offset = 0, y_offset = 0; + EvViewSelection *selection; + GList *l = NULL; + + for (l = view->selection_info.selections; l != NULL; l = l->next) { + selection = (EvViewSelection *)l->data; + + find_page_at_location (view, x, y, &page, &x_offset, &y_offset); + + if (page != selection->page) + continue; + + if (selection->covered_region && + gdk_region_point_in (selection->covered_region, x_offset, y_offset)) + return TRUE; + } + + return FALSE; +} + +static gboolean +get_doc_point_from_offset (EvView *view, + gint page, + gint x_offset, + gint y_offset, + gint *x_new, + gint *y_new) +{ + int width, height; + double x, y; + + ev_page_cache_get_size (view->page_cache, page, + view->rotation, + 1.0, + &width, &height); + + x_offset = x_offset / view->scale; + y_offset = y_offset / view->scale; + + if (view->rotation == 0) { + x = x_offset; + y = y_offset; + } else if (view->rotation == 90) { + x = y_offset; + y = width - x_offset; + } else if (view->rotation == 180) { + x = width - x_offset; + y = height - y_offset; + } else if (view->rotation == 270) { + x = height - y_offset; + y = x_offset; + } else { + g_assert_not_reached (); + } + + *x_new = x; + *y_new = y; + + return TRUE; +} + +/*** Hyperref ***/ +static EvLink * +ev_view_get_link_at_location (EvView *view, + gdouble x, + gdouble y) +{ + gint page = -1; + gint x_offset = 0, y_offset = 0; + gint x_new = 0, y_new = 0; + GList *link_mapping; + + if (!EV_IS_DOCUMENT_LINKS (view->document)) + return NULL; + + x += view->scroll_x; + y += view->scroll_y; + + find_page_at_location (view, x, y, &page, &x_offset, &y_offset); + + if (page == -1) + return NULL; + + + if (get_doc_point_from_offset (view, page, x_offset, + y_offset, &x_new, &y_new) == FALSE) + return NULL; + + link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page); + + if (link_mapping) + return ev_link_mapping_find (link_mapping, x_new, y_new); + else + return NULL; +} + +static void +goto_fitr_dest (EvView *view, EvLinkDest *dest) +{ + EvPoint doc_point; + double zoom; + + zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - ev_link_dest_get_left (dest), + ev_link_dest_get_bottom (dest) - ev_link_dest_get_top (dest), + ev_view_get_width (view), + ev_view_get_height (view), 0, 0); + + ev_view_set_sizing_mode (view, EV_SIZING_FREE); + ev_view_set_zoom (view, zoom, FALSE); + + doc_point.x = ev_link_dest_get_left (dest); + doc_point.y = ev_link_dest_get_top (dest); + + view->current_page = ev_link_dest_get_page (dest); + view->pending_point = doc_point; + view->pending_scroll = SCROLL_TO_PAGE_POSITION; + + gtk_widget_queue_resize (GTK_WIDGET (view)); +} + +static void +goto_fitv_dest (EvView *view, EvLinkDest *dest) +{ + EvPoint doc_point; + int doc_width, doc_height, page; + double zoom; + + page = ev_link_dest_get_page (dest); + ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height); + + doc_point.x = ev_link_dest_get_left (dest); + doc_point.y = 0; + + zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height, + ev_view_get_width (view), + ev_view_get_height (view), 0); + + ev_view_set_sizing_mode (view, EV_SIZING_FREE); + ev_view_set_zoom (view, zoom, FALSE); + + view->current_page = page; + view->pending_point = doc_point; + view->pending_scroll = SCROLL_TO_PAGE_POSITION; + + gtk_widget_queue_resize (GTK_WIDGET (view)); +} + +static void +goto_fith_dest (EvView *view, EvLinkDest *dest) +{ + EvPoint doc_point; + int doc_width, doc_height, page; + double zoom; + + page = ev_link_dest_get_page (dest); + ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height); + + doc_point.x = 0; + doc_point.y = ev_link_dest_get_top (dest); + + zoom = zoom_for_size_fit_width (doc_width, ev_link_dest_get_top (dest), + ev_view_get_width (view), + ev_view_get_height (view), 0); + + ev_view_set_sizing_mode (view, EV_SIZING_FIT_WIDTH); + ev_view_set_zoom (view, zoom, FALSE); + + view->current_page = page; + view->pending_point = doc_point; + view->pending_scroll = SCROLL_TO_PAGE_POSITION; + + gtk_widget_queue_resize (GTK_WIDGET (view)); +} + +static void +goto_fit_dest (EvView *view, EvLinkDest *dest) +{ + double zoom; + int doc_width, doc_height; + int page; + + page = ev_link_dest_get_page (dest); + ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height); + + zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view), + ev_view_get_height (view), 0, 0); + + ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT); + ev_view_set_zoom (view, zoom, FALSE); + + view->current_page = page; + view->pending_scroll = SCROLL_TO_PAGE_POSITION; + + gtk_widget_queue_resize (GTK_WIDGET (view)); +} + +static void +goto_xyz_dest (EvView *view, EvLinkDest *dest) +{ + EvPoint doc_point; + gint page; + double zoom; + + zoom = ev_link_dest_get_zoom (dest); + page = ev_link_dest_get_page (dest); + + if (zoom > 1) { + ev_view_set_sizing_mode (view, EV_SIZING_FREE); + ev_view_set_zoom (view, zoom, FALSE); + } + + doc_point.x = ev_link_dest_get_left (dest); + doc_point.y = ev_link_dest_get_top (dest); + + view->current_page = page; + view->pending_point = doc_point; + view->pending_scroll = SCROLL_TO_PAGE_POSITION; + + gtk_widget_queue_resize (GTK_WIDGET (view)); +} + +static void +goto_dest (EvView *view, EvLinkDest *dest) +{ + EvLinkDestType type; + int page, n_pages, current_page; + + page = ev_link_dest_get_page (dest); + n_pages = ev_page_cache_get_n_pages (view->page_cache); + + if (page < 0 || page >= n_pages) + return; + + current_page = view->current_page; + + type = ev_link_dest_get_dest_type (dest); + + switch (type) { + case EV_LINK_DEST_TYPE_PAGE: + ev_page_cache_set_current_page (view->page_cache, page); + break; + case EV_LINK_DEST_TYPE_FIT: + goto_fit_dest (view, dest); + break; + case EV_LINK_DEST_TYPE_FITH: + goto_fith_dest (view, dest); + break; + case EV_LINK_DEST_TYPE_FITV: + goto_fitv_dest (view, dest); + break; + case EV_LINK_DEST_TYPE_FITR: + goto_fitr_dest (view, dest); + break; + case EV_LINK_DEST_TYPE_XYZ: + goto_xyz_dest (view, dest); + break; + case EV_LINK_DEST_TYPE_PAGE_LABEL: + ev_page_cache_set_page_label (view->page_cache, ev_link_dest_get_page_label (dest)); + break; + default: + g_assert_not_reached (); + } + + if (current_page != view->current_page) + ev_page_cache_set_current_page (view->page_cache, + view->current_page); +} + +static void +ev_view_goto_dest (EvView *view, EvLinkDest *dest) +{ + EvLinkDestType type; + + type = ev_link_dest_get_dest_type (dest); + + if (type == EV_LINK_DEST_TYPE_NAMED) { + EvLinkDest *dest2; + const gchar *named_dest; + + named_dest = ev_link_dest_get_named_dest (dest); + dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document), + named_dest); + if (dest2) { + goto_dest (view, dest2); + g_object_unref (dest2); + } + + return; + } + + goto_dest (view, dest); +} + +void +ev_view_handle_link (EvView *view, EvLink *link) +{ + EvLinkAction *action = NULL; + EvLinkActionType type; + + action = ev_link_get_action (link); + if (!action) + return; + + type = ev_link_action_get_action_type (action); + + switch (type) { + case EV_LINK_ACTION_TYPE_GOTO_DEST: { + EvLinkDest *dest; + + g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link); + + dest = ev_link_action_get_dest (action); + ev_view_goto_dest (view, dest); + } + break; + case EV_LINK_ACTION_TYPE_GOTO_REMOTE: + case EV_LINK_ACTION_TYPE_EXTERNAL_URI: + case EV_LINK_ACTION_TYPE_LAUNCH: + case EV_LINK_ACTION_TYPE_NAMED: + g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action); + break; + } +} + +gchar * +ev_view_page_label_from_dest (EvView *view, EvLinkDest *dest) +{ + EvLinkDestType type; + gchar *msg = NULL; + + type = ev_link_dest_get_dest_type (dest); + + switch (type) { + case EV_LINK_DEST_TYPE_NAMED: { + EvLinkDest *dest2; + const gchar *named_dest; + + named_dest = ev_link_dest_get_named_dest (dest); + dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document), + named_dest); + if (dest2) { + msg = ev_page_cache_get_page_label (view->page_cache, + ev_link_dest_get_page (dest2)); + g_object_unref (dest2); + } + } + + break; + case EV_LINK_DEST_TYPE_PAGE_LABEL: { + msg = g_strdup (ev_link_dest_get_page_label (dest)); + } + break; + default: + msg = ev_page_cache_get_page_label (view->page_cache, + ev_link_dest_get_page (dest)); + } + + return msg; +} + +static char * +tip_from_action_named (EvLinkAction *action) +{ + const gchar *name = ev_link_action_get_name (action); + + if (g_ascii_strcasecmp (name, "FirstPage") == 0) { + return g_strdup (_("Go to first page")); + } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) { + return g_strdup (_("Go to previous page")); + } else if (g_ascii_strcasecmp (name, "NextPage") == 0) { + return g_strdup (_("Go to next page")); + } else if (g_ascii_strcasecmp (name, "LastPage") == 0) { + return g_strdup (_("Go to last page")); + } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) { + return g_strdup (_("Go to page")); + } else if (g_ascii_strcasecmp (name, "Find") == 0) { + return g_strdup (_("Find")); + } + + return NULL; } static char * -status_message_from_link (EvView *view, EvLink *link) +tip_from_link (EvView *view, EvLink *link) { - EvLinkType type; + EvLinkAction *action; + EvLinkActionType type; char *msg = NULL; char *page_label; + const char *title; - type = ev_link_get_link_type (link); + action = ev_link_get_action (link); + title = ev_link_get_title (link); + + if (!action) + return title ? g_strdup (title) : NULL; + + type = ev_link_action_get_action_type (action); switch (type) { - case EV_LINK_TYPE_TITLE: - if (ev_link_get_title (link)) - msg = g_strdup (ev_link_get_title (link)); + case EV_LINK_ACTION_TYPE_GOTO_DEST: + page_label = ev_view_page_label_from_dest (view, + ev_link_action_get_dest (action)); + if (page_label) { + msg = g_strdup_printf (_("Go to page %s"), page_label); + g_free (page_label); + } + break; + case EV_LINK_ACTION_TYPE_GOTO_REMOTE: + if (title) { + msg = g_strdup_printf (_("Go to %s on file “%s”"), title, + ev_link_action_get_filename (action)); + } else { + msg = g_strdup_printf (_("Go to file “%s”"), + ev_link_action_get_filename (action)); + } + break; + case EV_LINK_ACTION_TYPE_EXTERNAL_URI: + msg = g_strdup (ev_link_action_get_uri (action)); break; - case EV_LINK_TYPE_PAGE: - page_label = ev_page_cache_get_page_label (view->page_cache, ev_link_get_page (link)); - msg = g_strdup_printf (_("Go to page %s"), page_label); - g_free (page_label); + case EV_LINK_ACTION_TYPE_LAUNCH: + msg = g_strdup_printf (_("Launch %s"), + ev_link_action_get_filename (action)); break; - case EV_LINK_TYPE_EXTERNAL_URI: - msg = g_strdup (ev_link_get_uri (link)); + case EV_LINK_ACTION_TYPE_NAMED: + msg = tip_from_action_named (action); break; - default: + default: + if (title) + msg = g_strdup (title); break; } - + return msg; } +static void +ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y) +{ + EvLink *link; + EvFormField *field; + + if (view->cursor == EV_VIEW_CURSOR_HIDDEN) + return; + + link = ev_view_get_link_at_location (view, x, y); + +#if !GTK_CHECK_VERSION (2, 11, 7) + if (view->link_tooltip == NULL) { + view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view)); + } + + if (view->hovered_link != link) { + view->hovered_link = link; + ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip)); + } +#endif + + if (link) { +#if GTK_CHECK_VERSION (2, 11, 7) + g_object_set (view, "has-tooltip", TRUE, NULL); +#else + char *msg = tip_from_link (view, link); + + if (msg && g_utf8_validate (msg, -1, NULL)) { + EvTooltip *tooltip = EV_TOOLTIP (view->link_tooltip); + + ev_tooltip_set_position (tooltip, x, y); + ev_tooltip_set_text (tooltip, msg); + ev_tooltip_activate (tooltip); + } + g_free (msg); +#endif + ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK); + } else if ((field = ev_view_get_form_field_at_location (view, x, y))) { + if (field->is_read_only) { + if (view->cursor == EV_VIEW_CURSOR_LINK || + view->cursor == EV_VIEW_CURSOR_IBEAM) + ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL); + } else if (EV_IS_FORM_FIELD_TEXT (field)) { + ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM); + } else { + ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK); + } + } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) { + ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM); + } else { + if (view->cursor == EV_VIEW_CURSOR_LINK || + view->cursor == EV_VIEW_CURSOR_IBEAM) + ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL); + } +} + +/*** Images ***/ +static EvImage * +ev_view_get_image_at_location (EvView *view, + gdouble x, + gdouble y) +{ + gint page = -1; + gint x_offset = 0, y_offset = 0; + gint x_new = 0, y_new = 0; + GList *image_mapping; + + if (!EV_IS_DOCUMENT_IMAGES (view->document)) + return NULL; + + x += view->scroll_x; + y += view->scroll_y; + + find_page_at_location (view, x, y, &page, &x_offset, &y_offset); + + if (page == -1) + return NULL; + + if (get_doc_point_from_offset (view, page, x_offset, + y_offset, &x_new, &y_new) == FALSE) + return NULL; + + image_mapping = ev_pixbuf_cache_get_image_mapping (view->pixbuf_cache, page); + + if (image_mapping) + return ev_image_mapping_find (image_mapping, x_new, y_new); + else + return NULL; +} + +/*** Forms ***/ +static EvFormField * +ev_view_get_form_field_at_location (EvView *view, + gdouble x, + gdouble y) +{ + gint page = -1; + gint x_offset = 0, y_offset = 0; + gint x_new = 0, y_new = 0; + GList *forms_mapping; + + if (!EV_IS_DOCUMENT_FORMS (view->document)) + return NULL; + + x += view->scroll_x; + y += view->scroll_y; + + find_page_at_location (view, x, y, &page, &x_offset, &y_offset); + + if (page == -1) + return NULL; + + if (get_doc_point_from_offset (view, page, x_offset, + y_offset, &x_new, &y_new) == FALSE) + return NULL; + + forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, page); + + if (forms_mapping) + return ev_form_field_mapping_find (forms_mapping, x_new, y_new); + else + return NULL; +} + +static GdkRegion * +ev_view_form_field_get_region (EvView *view, + EvFormField *field) +{ + EvRectangle field_area; + GdkRectangle view_area; + GList *forms_mapping; + + forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, + field->page); + ev_form_field_mapping_get_area (forms_mapping, field, &field_area); + doc_rect_to_view_rect (view, field->page, &field_area, &view_area); + view_area.x -= view->scroll_x; + view_area.y -= view->scroll_y; + + return gdk_region_rectangle (&view_area); +} + +static gboolean +ev_view_forms_remove_widgets (EvView *view) +{ + ev_view_remove_all (view); + + return FALSE; +} + +static void +ev_view_form_field_destroy (GtkWidget *widget, + EvView *view) +{ + g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view); +} + +static GtkWidget * +ev_view_form_field_button_create_widget (EvView *view, + EvFormField *field) +{ + EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field); + GdkRegion *field_region = NULL; + + switch (field_button->type) { + case EV_FORM_FIELD_BUTTON_PUSH: + return NULL; + case EV_FORM_FIELD_BUTTON_CHECK: + case EV_FORM_FIELD_BUTTON_RADIO: { + gboolean state; + GList *forms_mapping, *l; + + state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document), + field); + + /* FIXME: it actually depends on NoToggleToOff flags */ + if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO && + state && field_button->state) + return NULL; + + field_region = ev_view_form_field_get_region (view, field); + + /* For radio buttons and checkbox buttons that are in a set + * we need to update also the region for the current selected item + */ + forms_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, + field->page); + for (l = forms_mapping; l; l = g_list_next (l)) { + EvFormField *button = ((EvFormFieldMapping *)(l->data))->field; + GdkRegion *button_region; + + if (button->id == field->id) + continue; + + /* FIXME: only buttons in the same group should be updated */ + if (!EV_IS_FORM_FIELD_BUTTON (button) || + EV_FORM_FIELD_BUTTON (button)->type != field_button->type || + EV_FORM_FIELD_BUTTON (button)->state != TRUE) + continue; + + button_region = ev_view_form_field_get_region (view, button); + gdk_region_union (field_region, button_region); + gdk_region_destroy (button_region); + } + + ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document), + field, !state); + field_button->state = !state; + } + break; + } + + ev_pixbuf_cache_reload_page (view->pixbuf_cache, + field_region, + field->page, + view->rotation, + view->scale); + gdk_region_destroy (field_region); + + return NULL; +} + +static void +ev_view_form_field_text_save (EvView *view, + GtkWidget *widget) +{ + EvFormField *field; + + if (!view->document) + return; + + field = g_object_get_data (G_OBJECT (widget), "form-field"); + + if (field->changed) { + EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field); + GdkRegion *field_region; + + field_region = ev_view_form_field_get_region (view, field); + + ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document), + field, field_text->text); + field->changed = FALSE; + ev_pixbuf_cache_reload_page (view->pixbuf_cache, + field_region, + field->page, + view->rotation, + view->scale); + gdk_region_destroy (field_region); + } +} + +static void +ev_view_form_field_text_changed (GtkWidget *widget, + EvFormField *field) +{ + EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field); + gchar *text = NULL; + + if (GTK_IS_ENTRY (widget)) { + text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget))); + } else if (GTK_IS_TEXT_BUFFER (widget)) { + GtkTextIter start, end; + + gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end); + text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget), + &start, &end, FALSE); + } + + if (!field_text->text || + (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) { + g_free (field_text->text); + field_text->text = text; + field->changed = TRUE; + } +} + +static GtkWidget * +ev_view_form_field_text_create_widget (EvView *view, + EvFormField *field) +{ + EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field); + GtkWidget *text = NULL; + gchar *txt; + + txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document), + field); + + switch (field_text->type) { + case EV_FORM_FIELD_TEXT_FILE_SELECT: + /* TODO */ + case EV_FORM_FIELD_TEXT_NORMAL: + text = gtk_entry_new (); + gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE); + gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len); + gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password); + + if (txt) { + gtk_entry_set_text (GTK_ENTRY (text), txt); + g_free (txt); + } + + g_signal_connect (G_OBJECT (text), "changed", + G_CALLBACK (ev_view_form_field_text_changed), + field); + g_signal_connect_after (G_OBJECT (text), "activate", + G_CALLBACK (ev_view_form_field_destroy), + view); + break; + case EV_FORM_FIELD_TEXT_MULTILINE: { + GtkTextBuffer *buffer; + + text = gtk_text_view_new (); + buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text)); + + if (txt) { + gtk_text_buffer_set_text (buffer, txt, -1); + g_free (txt); + } + + g_signal_connect (G_OBJECT (buffer), "changed", + G_CALLBACK (ev_view_form_field_text_changed), + field); + } + break; + } + + g_object_weak_ref (G_OBJECT (text), + (GWeakNotify)ev_view_form_field_text_save, + view); + + return text; +} + +static void +ev_view_form_field_choice_save (EvView *view, + GtkWidget *widget) +{ + EvFormField *field; + + if (!view->document) + return; + + field = g_object_get_data (G_OBJECT (widget), "form-field"); + + if (field->changed) { + GList *l; + EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field); + GdkRegion *field_region; + + field_region = ev_view_form_field_get_region (view, field); + + if (field_choice->is_editable) { + ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document), + field, field_choice->text); + } else { + ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field); + for (l = field_choice->selected_items; l; l = g_list_next (l)) { + ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document), + field, + GPOINTER_TO_INT (l->data)); + } + } + field->changed = FALSE; + ev_pixbuf_cache_reload_page (view->pixbuf_cache, + field_region, + field->page, + view->rotation, + view->scale); + gdk_region_destroy (field_region); + } +} + +static void +ev_view_form_field_choice_changed (GtkWidget *widget, + EvFormField *field) +{ + EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field); + + if (GTK_IS_COMBO_BOX (widget)) { + gint item; + + item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget)); + if (GPOINTER_TO_INT (field_choice->selected_items->data) != item) { + g_list_free (field_choice->selected_items); + field_choice->selected_items = NULL; + field_choice->selected_items = g_list_prepend (field_choice->selected_items, + GINT_TO_POINTER (item)); + field->changed = TRUE; + } + + if (GTK_IS_COMBO_BOX_ENTRY (widget)) { + gchar *text; + + text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget)); + if (!field_choice->text || + (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) { + g_free (field_choice->text); + field_choice->text = text; + field->changed = TRUE; + } + } + } else if (GTK_IS_TREE_SELECTION (widget)) { + GtkTreeSelection *selection = GTK_TREE_SELECTION (widget); + GtkTreeModel *model; + GList *items, *l; + + items = gtk_tree_selection_get_selected_rows (selection, &model); + g_list_free (field_choice->selected_items); + field_choice->selected_items = NULL; + + for (l = items; l && l->data; l = g_list_next (l)) { + GtkTreeIter iter; + GtkTreePath *path = (GtkTreePath *)l->data; + gint item; + + gtk_tree_model_get_iter (model, &iter, path); + gtk_tree_model_get (model, &iter, 1, &item, -1); + + field_choice->selected_items = g_list_prepend (field_choice->selected_items, + GINT_TO_POINTER (item)); + + gtk_tree_path_free (path); + } + + g_list_free (items); + + field->changed = TRUE; + } +} + +static GtkWidget * +ev_view_form_field_choice_create_widget (EvView *view, + EvFormField *field) +{ + EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field); + GtkWidget *choice; + GtkTreeModel *model; + gint n_items, i; + gint selected_item = 0; + + n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document), + field); + model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT)); + for (i = 0; i < n_items; i++) { + GtkTreeIter iter; + gchar *item; + + item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document), + field, i); + if (ev_document_forms_form_field_choice_is_item_selected ( + EV_DOCUMENT_FORMS (view->document), field, i)) { + selected_item = i; + /* FIXME: we need a get_selected_items function in poppler */ + field_choice->selected_items = g_list_prepend (field_choice->selected_items, + GINT_TO_POINTER (i)); + } + + if (item) { + gtk_list_store_append (GTK_LIST_STORE (model), &iter); + gtk_list_store_set (GTK_LIST_STORE (model), &iter, + 0, item, + 1, i, + -1); + g_free (item); + } + } + + if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) { + GtkCellRenderer *renderer; + GtkWidget *tree_view; + GtkTreeSelection *selection; + + tree_view = gtk_tree_view_new_with_model (model); + gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE); + + selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view)); + if (field_choice->multi_select) { + gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE); + } + + /* TODO: set selected items */ + + renderer = gtk_cell_renderer_text_new (); + gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view), + 0, + "choix", renderer, + "text", 0, + NULL); + + choice = gtk_scrolled_window_new (NULL, NULL); + gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice), + GTK_POLICY_AUTOMATIC, + GTK_POLICY_AUTOMATIC); + gtk_container_add (GTK_CONTAINER (choice), tree_view); + gtk_widget_show (tree_view); + + g_signal_connect (G_OBJECT (selection), "changed", + G_CALLBACK (ev_view_form_field_choice_changed), + field); + g_signal_connect_after (G_OBJECT (selection), "changed", + G_CALLBACK (ev_view_form_field_destroy), + view); + } else if (field_choice->is_editable) { /* ComboBoxEntry */ + gchar *text; + + choice = gtk_combo_box_entry_new_with_model (model, 0); + text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field); + if (text) { + gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text); + g_free (text); + } + + g_signal_connect (G_OBJECT (choice), "changed", + G_CALLBACK (ev_view_form_field_choice_changed), + field); + g_signal_connect_after (G_OBJECT (GTK_BIN (choice)->child), "activate", + G_CALLBACK (ev_view_form_field_destroy), + view); + } else { /* ComboBoxText */ + GtkCellRenderer *renderer; + + choice = gtk_combo_box_new_with_model (model); + renderer = gtk_cell_renderer_text_new (); + gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice), + renderer, TRUE); + gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice), + renderer, + "text", 0, + NULL); + gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item); + gtk_combo_box_popup (GTK_COMBO_BOX (choice)); + + g_signal_connect (G_OBJECT (choice), "changed", + G_CALLBACK (ev_view_form_field_choice_changed), + field); + g_signal_connect_after (G_OBJECT (choice), "changed", + G_CALLBACK (ev_view_form_field_destroy), + view); + } + + g_object_unref (model); + + g_object_weak_ref (G_OBJECT (choice), + (GWeakNotify)ev_view_form_field_choice_save, + view); + + return choice; +} + +static void +ev_view_handle_form_field (EvView *view, + EvFormField *field, + gdouble x, + gdouble y) +{ + GtkWidget *field_widget = NULL; + GList *form_field_mapping; + EvRectangle field_area; + GdkRectangle view_area; + + if (field->is_read_only) + return; + + if (EV_IS_FORM_FIELD_BUTTON (field)) { + field_widget = ev_view_form_field_button_create_widget (view, field); + } else if (EV_IS_FORM_FIELD_TEXT (field)) { + field_widget = ev_view_form_field_text_create_widget (view, field); + } else if (EV_IS_FORM_FIELD_CHOICE (field)) { + field_widget = ev_view_form_field_choice_create_widget (view, field); + } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) { + /* TODO */ + } + + /* Form field doesn't require a widget */ + if (!field_widget) + return; + + g_object_set_data_full (G_OBJECT (field_widget), "form-field", + g_object_ref (field), + (GDestroyNotify)g_object_unref); + + form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, field->page); + ev_form_field_mapping_get_area (form_field_mapping, field, &field_area); + + doc_rect_to_view_rect (view, field->page, &field_area, &view_area); + view_area.x -= view->scroll_x; + view_area.y -= view->scroll_y; + + gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y); + gtk_widget_show (field_widget); + gtk_widget_grab_focus (field_widget); +} /*** GtkWidget implementation ***/ static void ev_view_size_request_continuous_dual_page (EvView *view, - GtkRequisition *requisition) + GtkRequisition *requisition) { - int max_width, max_height; - int n_rows; + int max_width; + gint n_pages; + GtkBorder border; - get_bounding_box_size (view, &max_width, &max_height); + ev_page_cache_get_max_width (view->page_cache, view->rotation, + view->scale, &max_width); + compute_border (view, max_width, max_width, &border); - n_rows = (1 + ev_page_cache_get_n_pages (view->page_cache)) / 2; + n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1; - requisition->width = (max_width * 2) + (view->spacing * 3); - requisition->height = max_height * n_rows + (view->spacing * (n_rows + 1)); + requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3); + get_page_y_offset (view, n_pages, view->scale, &requisition->height); if (view->sizing_mode == EV_SIZING_FIT_WIDTH) { requisition->width = 1; @@ -1097,15 +2117,18 @@ static void ev_view_size_request_continuous (EvView *view, GtkRequisition *requisition) { - int max_width, max_height; + int max_width; int n_pages; + GtkBorder border; - get_bounding_box_size (view, &max_width, &max_height); + ev_page_cache_get_max_width (view->page_cache, view->rotation, + view->scale, &max_width); n_pages = ev_page_cache_get_n_pages (view->page_cache); + compute_border (view, max_width, max_width, &border); - requisition->width = max_width + (view->spacing * 2); - requisition->height = max_height * n_pages + (view->spacing * (n_pages + 1)); + requisition->width = max_width + (view->spacing * 2) + border.left + border.right; + get_page_y_offset (view, n_pages, view->scale, &requisition->height); if (view->sizing_mode == EV_SIZING_FIT_WIDTH) { requisition->width = 1; @@ -1127,12 +2150,14 @@ ev_view_size_request_dual_page (EvView *view, /* Find the largest of the two. */ ev_page_cache_get_size (view->page_cache, view->current_page, + view->rotation, view->scale, &width, &height); if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) { gint width_2, height_2; ev_page_cache_get_size (view->page_cache, view->current_page + 1, + view->rotation, view->scale, &width_2, &height_2); if (width_2 > width) { @@ -1164,6 +2189,7 @@ ev_view_size_request_single_page (EvView *view, ev_page_cache_get_size (view->page_cache, view->current_page, + view->rotation, view->scale, &width, &height); compute_border (view, width, height, &border); @@ -1185,10 +2211,7 @@ ev_view_size_request (GtkWidget *widget, GtkRequisition *requisition) { EvView *view = EV_VIEW (widget); - - if (!GTK_WIDGET_REALIZED (widget)) - return; - + if (view->document == NULL) { requisition->width = 1; requisition->height = 1; @@ -1216,153 +2239,360 @@ ev_view_size_allocate (GtkWidget *widget, GtkAllocation *allocation) { EvView *view = EV_VIEW (widget); + GList *children, *l; + + GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation); if (view->sizing_mode == EV_SIZING_FIT_WIDTH || - view->sizing_mode == EV_SIZING_BEST_FIT) { + view->sizing_mode == EV_SIZING_BEST_FIT) { g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0); - + ev_view_size_request (widget, &widget->requisition); } view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL); view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL); - view->pending_scroll = SCROLL_TO_KEEP_POSITION; - if (view->document) - view_update_range_and_current_page (view); + view_update_range_and_current_page (view); - GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation); + view->pending_scroll = SCROLL_TO_KEEP_POSITION; + view->pending_resize = FALSE; + + children = gtk_container_get_children (GTK_CONTAINER (widget)); + for (l = children; l && l->data; l = g_list_next (l)) { + EvFormField *field; + EvRectangle field_area; + GdkRectangle view_area; + GList *form_field_mapping; + GtkAllocation child_allocation; + GtkRequisition child_requisition; + GtkWidget *child = (GtkWidget *)l->data; + + field = g_object_get_data (G_OBJECT (child), "form-field"); + if (!field) + continue; + + form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, + field->page); + ev_form_field_mapping_get_area (form_field_mapping, field, &field_area); + + doc_rect_to_view_rect (view, field->page, &field_area, &view_area); + view_area.x -= view->scroll_x; + view_area.y -= view->scroll_y; + + gtk_widget_size_request (child, &child_requisition); + if (child_requisition.width != view_area.width || + child_requisition.height != view_area.height) + gtk_widget_set_size_request (child, view_area.width, view_area.height); + + gtk_container_child_get (GTK_CONTAINER (widget), + child, + "x", &child_allocation.x, + "y", &child_allocation.y, + NULL); + if (child_allocation.x != view_area.x || + child_allocation.y != view_area.y) { + gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y); + } + } + g_list_free (children); } static void ev_view_realize (GtkWidget *widget) { EvView *view = EV_VIEW (widget); - GdkWindowAttr attributes; - GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED); + if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize) + (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget); - - attributes.window_type = GDK_WINDOW_CHILD; - attributes.wclass = GDK_INPUT_OUTPUT; - attributes.visual = gtk_widget_get_visual (widget); - attributes.colormap = gtk_widget_get_colormap (widget); - - attributes.x = widget->allocation.x; - attributes.y = widget->allocation.y; - attributes.width = widget->allocation.width; - attributes.height = widget->allocation.height; - attributes.event_mask = GDK_EXPOSURE_MASK | + gdk_window_set_events (view->layout.bin_window, + (gdk_window_get_events (view->layout.bin_window) | + GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_SCROLL_MASK | GDK_KEY_PRESS_MASK | GDK_POINTER_MOTION_MASK | - GDK_LEAVE_NOTIFY_MASK; - - widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), - &attributes, - GDK_WA_X | GDK_WA_Y | - GDK_WA_COLORMAP | - GDK_WA_VISUAL); - gdk_window_set_user_data (widget->window, widget); - widget->style = gtk_style_attach (widget->style, widget->window); + GDK_POINTER_MOTION_HINT_MASK | + GDK_ENTER_NOTIFY_MASK | + GDK_LEAVE_NOTIFY_MASK)); if (view->presentation) - gdk_window_set_background (widget->window, &widget->style->black); + gdk_window_set_background (view->layout.bin_window, &widget->style->black); else - gdk_window_set_background (widget->window, &widget->style->mid [GTK_STATE_NORMAL]); - - if (view->document) { - /* We can't get page size without a target, so we have to - * queue a size request at realization. Could be fixed - * with EvDocument changes to allow setting a GdkScreen - * without setting a target. - */ - gtk_widget_queue_resize (widget); - } -} - -static void -ev_view_unrealize (GtkWidget *widget) -{ - GTK_WIDGET_CLASS (ev_view_parent_class)->unrealize (widget); + gdk_window_set_background (view->layout.bin_window, &widget->style->mid [GTK_STATE_NORMAL]); } static gboolean ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event) { - EvView *view = EV_VIEW (widget); + EvView *view = EV_VIEW (widget); + guint state; - if ((event->state & GDK_CONTROL_MASK) != 0) { + state = event->state & gtk_accelerator_get_default_mod_mask (); - ev_view_set_sizing_mode (view, EV_SIZING_FREE); + if (state == GDK_CONTROL_MASK && view->presentation == FALSE) { + ev_view_set_sizing_mode (view, EV_SIZING_FREE); - if ((event->direction == GDK_SCROLL_UP || - event->direction == GDK_SCROLL_LEFT) && - ev_view_can_zoom_in (view)) { + if (event->direction == GDK_SCROLL_UP || + event->direction == GDK_SCROLL_LEFT) { + if (ev_view_can_zoom_in (view)) { ev_view_zoom_in (view); - } else if (ev_view_can_zoom_out (view)) { + } + } else { + if (ev_view_can_zoom_out (view)) { ev_view_zoom_out (view); - } + } + } - return TRUE; + return TRUE; } - - if ((event->state & GDK_SHIFT_MASK) != 0) { + + view->jump_to_find_result = FALSE; + /* Shift+Wheel scrolls the in the perpendicular direction */ + if (state & GDK_SHIFT_MASK) { if (event->direction == GDK_SCROLL_UP) event->direction = GDK_SCROLL_LEFT; + if (event->direction == GDK_SCROLL_LEFT) + event->direction = GDK_SCROLL_UP; if (event->direction == GDK_SCROLL_DOWN) event->direction = GDK_SCROLL_RIGHT; + if (event->direction == GDK_SCROLL_RIGHT) + event->direction = GDK_SCROLL_DOWN; + + event->state &= ~GDK_SHIFT_MASK; + state &= ~GDK_SHIFT_MASK; + } + + if (state == 0 && view->presentation) { + switch (event->direction) { + case GDK_SCROLL_DOWN: + case GDK_SCROLL_RIGHT: + ev_view_next_page (view); + break; + case GDK_SCROLL_UP: + case GDK_SCROLL_LEFT: + ev_view_previous_page (view); + break; + } + + return TRUE; } return FALSE; } +static EvViewSelection * +find_selection_for_page (EvView *view, + gint page) +{ + GList *list; + + for (list = view->selection_info.selections; list != NULL; list = list->next) { + EvViewSelection *selection; + + selection = (EvViewSelection *) list->data; + + if (selection->page == page) + return selection; + } + + return NULL; +} + +static void +draw_end_presentation_page (EvView *view, + GdkRectangle *page_area) +{ + PangoLayout *layout; + PangoFontDescription *font_desc; + gchar *markup; + const gchar *text = _("End of presentation. Press Escape to exit."); + + if (view->presentation_state != EV_PRESENTATION_END) + return; + + layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL); + markup = g_strdup_printf ("%s", text); + pango_layout_set_markup (layout, markup, -1); + g_free (markup); + + font_desc = pango_font_description_new (); + pango_font_description_set_size (font_desc, 16 * PANGO_SCALE); + pango_layout_set_font_description (layout, font_desc); + + gtk_paint_layout (GTK_WIDGET (view)->style, + view->layout.bin_window, + GTK_WIDGET_STATE (view), + FALSE, + page_area, + GTK_WIDGET (view), + NULL, + page_area->x + 15, + page_area->y + 15, + layout); + + pango_font_description_free (font_desc); + g_object_unref (layout); +} + static gboolean ev_view_expose_event (GtkWidget *widget, GdkEventExpose *event) { - EvView *view = EV_VIEW (widget); - GdkRectangle rubberband; - GList *l; - int i; + EvView *view = EV_VIEW (widget); + cairo_t *cr; + gint i; + + if (view->presentation) { + switch (view->presentation_state) { + case EV_PRESENTATION_END: { + GdkRectangle area = {0}; + + area.width = widget->allocation.width; + area.height = widget->allocation.height; + + draw_end_presentation_page (view, &area); + } + return FALSE; + case EV_PRESENTATION_BLACK: + case EV_PRESENTATION_WHITE: + return FALSE; + case EV_PRESENTATION_NORMAL: + default: + break; + } + } else if (view->loading) { + GdkRectangle area = {0}; + + area.width = widget->allocation.width; + area.height = widget->allocation.height; + + draw_loading_text (view, + &area, + &(event->area)); + } if (view->document == NULL) return FALSE; + cr = gdk_cairo_create (view->layout.bin_window); + for (i = view->start_page; i <= view->end_page; i++) { GdkRectangle page_area; GtkBorder border; + gboolean page_ready = TRUE; if (!get_page_extents (view, i, &page_area, &border)) continue; - + page_area.x -= view->scroll_x; page_area.y -= view->scroll_y; - - draw_one_page (view, i, &page_area, &border, &(event->area)); - if (EV_IS_DOCUMENT_FIND (view->document)) { + draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready); + + if (page_ready && EV_IS_DOCUMENT_FIND (view->document)) highlight_find_results (view, i); - } } - for (l = view->selections; l != NULL; l = l->next) { - EvViewSelection *selection = (EvViewSelection *)l->data; + cairo_destroy (cr); - doc_rect_to_view_rect (view, selection->page, - &selection->rect, &rubberband); - if (rubberband.width > 0 && rubberband.height > 0) { - draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window, - &rubberband, 0x40); - } + if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) + (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event); + + return FALSE; +} + +static gboolean +ev_view_do_popup_menu (EvView *view, + gdouble x, + gdouble y) +{ + EvLink *link; + EvImage *image; + + image = ev_view_get_image_at_location (view, x, y); + if (image) { + g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, image); + return TRUE; + } + + link = ev_view_get_link_at_location (view, x, y); + if (link) { + g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link); + return TRUE; } - return FALSE; + g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, NULL); + + return TRUE; +} + +static gboolean +ev_view_popup_menu (GtkWidget *widget) +{ + gint x, y; + + gtk_widget_get_pointer (widget, &x, &y); + return ev_view_do_popup_menu (EV_VIEW (widget), x, y); +} + +#if GTK_CHECK_VERSION (2, 11, 7) +static void +get_link_area (EvView *view, + gint x, + gint y, + EvLink *link, + GdkRectangle *area) +{ + EvRectangle ev_rect; + GList *link_mapping; + gint page; + gint x_offset = 0, y_offset = 0; + + x += view->scroll_x; + y += view->scroll_y; + + find_page_at_location (view, x, y, &page, &x_offset, &y_offset); + + link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page); + ev_link_mapping_get_area (link_mapping, link, &ev_rect); + + doc_rect_to_view_rect (view, page, &ev_rect, area); + area->y -= view->scroll_y ; +} + +static gboolean +ev_view_query_tooltip (GtkWidget *widget, + gint x, + gint y, + gboolean keyboard_tip, + GtkTooltip *tooltip) +{ + EvView *view = EV_VIEW (widget); + EvLink *link; + gchar *text; + + link = ev_view_get_link_at_location (view, x, y); + if (!link) + return FALSE; + + text = tip_from_link (view, link); + if (text && g_utf8_validate (text, -1, NULL)) { + GdkRectangle link_area; + + get_link_area (view, x, y, link, &link_area); + gtk_tooltip_set_text (tooltip, text); + gtk_tooltip_set_tip_area (tooltip, &link_area); + } + g_free (text); + + return TRUE; } +#endif /* GTK_CHECK_VERSION (2, 11, 7) */ static gboolean ev_view_button_press_event (GtkWidget *widget, @@ -1370,21 +2600,52 @@ ev_view_button_press_event (GtkWidget *widget, { EvView *view = EV_VIEW (widget); + if (!view->document) + return FALSE; + if (!GTK_WIDGET_HAS_FOCUS (widget)) { gtk_widget_grab_focus (widget); } - + view->pressed_button = event->button; - + view->selection_info.in_drag = FALSE; + switch (event->button) { - case 1: - if (view->selections) { - clear_selection (view); + case 1: { + EvImage *image; + EvFormField *field; + + if (view->selection_info.selections) { + if (location_in_selected_text (view, + event->x + view->scroll_x, + event->y + view->scroll_y)) { + view->selection_info.in_drag = TRUE; + } else { + clear_selection (view); + + view->selection_info.start.x = event->x + view->scroll_x; + view->selection_info.start.y = event->y + view->scroll_y; + } + gtk_widget_queue_draw (widget); + } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) && + (image = ev_view_get_image_at_location (view, event->x, event->y))) { + if (view->image_dnd_info.image) + g_object_unref (view->image_dnd_info.image); + view->image_dnd_info.image = g_object_ref (image); + view->image_dnd_info.in_drag = TRUE; + + view->image_dnd_info.start.x = event->x + view->scroll_x; + view->image_dnd_info.start.y = event->y + view->scroll_y; + } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) { + ev_view_remove_all (view); + ev_view_handle_form_field (view, field, event->x, event->y); + } else { + ev_view_remove_all (view); + view->selection_info.start.x = event->x + view->scroll_x; + view->selection_info.start.y = event->y + view->scroll_y; } - - view->selection_start.x = event->x; - view->selection_start.y = event->y; + } return TRUE; case 2: /* use root coordinates as reference point because @@ -1397,32 +2658,255 @@ ev_view_button_press_event (GtkWidget *widget, ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG); return TRUE; + case 3: + return ev_view_do_popup_menu (view, event->x, event->y); + } + + return FALSE; +} + +static void +ev_view_remove_all (EvView *view) +{ + GList *children, *child; + + children = gtk_container_get_children (GTK_CONTAINER (view)); + for (child = children; child && child->data; child = g_list_next (child)) { + gtk_container_remove (GTK_CONTAINER (view), + GTK_WIDGET (child->data)); + } + g_list_free (children); +} + +/*** Drag and Drop ***/ +static void +ev_view_drag_data_get (GtkWidget *widget, + GdkDragContext *context, + GtkSelectionData *selection_data, + guint info, + guint time) +{ + EvView *view = EV_VIEW (widget); + + switch (info) { + case TARGET_DND_TEXT: + if (view->selection_info.selections && + ev_document_can_get_text (view->document)) { + gchar *text; + + text = get_selected_text (view); + + gtk_selection_data_set_text (selection_data, + text, + strlen (text)); + + g_free (text); + } + break; + case TARGET_DND_IMAGE: + if (view->image_dnd_info.image) { + GdkPixbuf *pixbuf; + + pixbuf = ev_image_get_pixbuf (view->image_dnd_info.image); + gtk_selection_data_set_pixbuf (selection_data, pixbuf); + } + break; + case TARGET_DND_URI: + if (view->image_dnd_info.image) { + const gchar *tmp_uri; + gchar **uris; + + tmp_uri = ev_image_save_tmp (view->image_dnd_info.image); + + uris = g_new0 (gchar *, 2); + uris[0] = (gchar *)tmp_uri; + + gtk_selection_data_set_uris (selection_data, uris); + + /* g_free instead of g_strfreev since tmp_uri is const */ + g_free (uris); + } + } +} + +static gboolean +ev_view_drag_motion (GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + guint time) +{ + if (gtk_drag_get_source_widget (context) == widget) + gdk_drag_status (context, 0, time); + else + gdk_drag_status (context, context->suggested_action, time); + + return TRUE; +} + +static void +ev_view_drag_data_received (GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + GtkSelectionData *selection_data, + guint info, + guint time) +{ + gchar **uris; + gint i = 0; + GSList *uri_list = NULL; + + uris = gtk_selection_data_get_uris (selection_data); + if (!uris) { + gtk_drag_finish (context, FALSE, FALSE, time); + return; + } + + for (i = 0; uris[i]; i++) { + uri_list = g_slist_prepend (uri_list, (gpointer) uris[i]); } + + ev_application_open_uri_list (EV_APP, uri_list, + gtk_widget_get_screen (widget), + 0); + gtk_drag_finish (context, TRUE, FALSE, time); + + g_strfreev (uris); + g_slist_free (uri_list); +} + +static gboolean +selection_update_idle_cb (EvView *view) +{ + compute_selections (view, &view->selection_info.start, &view->motion); + view->selection_update_id = 0; return FALSE; } +static gboolean +selection_scroll_timeout_cb (EvView *view) +{ + gint x, y, shift = 0; + GtkWidget *widget = GTK_WIDGET (view); + + gtk_widget_get_pointer (widget, &x, &y); + + if (y > widget->allocation.height) { + shift = (y - widget->allocation.height) / 2; + } else if (y < 0) { + shift = y / 2; + } + + if (shift) + gtk_adjustment_set_value (view->vadjustment, + CLAMP (view->vadjustment->value + shift, + view->vadjustment->lower, + view->vadjustment->upper - + view->vadjustment->page_size)); + + if (x > widget->allocation.width) { + shift = (x - widget->allocation.width) / 2; + } else if (x < 0) { + shift = x / 2; + } + + if (shift) + gtk_adjustment_set_value (view->hadjustment, + CLAMP (view->hadjustment->value + shift, + view->hadjustment->lower, + view->hadjustment->upper - + view->hadjustment->page_size)); + + return TRUE; +} + static gboolean ev_view_motion_notify_event (GtkWidget *widget, GdkEventMotion *event) { EvView *view = EV_VIEW (widget); + gint x, y; + + if (!view->document) + return FALSE; + + if (event->is_hint || event->window != view->layout.bin_window) { + gtk_widget_get_pointer (widget, &x, &y); + } else { + x = event->x; + y = event->y; + } + + if (view->selection_info.in_drag) { + if (gtk_drag_check_threshold (widget, + view->selection_info.start.x, + view->selection_info.start.y, + x, y)) { + GtkTargetList *target_list = gtk_target_list_new (NULL, 0); + + gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT); + + gtk_drag_begin (widget, target_list, + GDK_ACTION_COPY, + 1, (GdkEvent *)event); - if (view->pressed_button == 1) { - GdkRectangle selection; + view->selection_info.in_drag = FALSE; - selection.x = MIN (view->selection_start.x, event->x) + view->scroll_x; - selection.y = MIN (view->selection_start.y, event->y) + view->scroll_y; - selection.width = ABS (view->selection_start.x - event->x) + 1; - selection.height = ABS (view->selection_start.y - event->y) + 1; + gtk_target_list_unref (target_list); - compute_selections (view, &selection); + return TRUE; + } + } else if (view->image_dnd_info.in_drag) { + if (gtk_drag_check_threshold (widget, + view->selection_info.start.x, + view->selection_info.start.y, + x, y)) { + GtkTargetList *target_list = gtk_target_list_new (NULL, 0); + + gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI); + gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE); + + gtk_drag_begin (widget, target_list, + GDK_ACTION_COPY, + 1, (GdkEvent *)event); - gtk_widget_queue_draw (widget); + view->image_dnd_info.in_drag = FALSE; + + gtk_target_list_unref (target_list); + + return TRUE; + } + } + + /* For the Evince 0.4.x release, we limit selection to un-rotated + * documents only. + */ + if (view->pressed_button == 1 && view->rotation == 0) { + + /* Schedule timeout to scroll during selection and additionally + * scroll once to allow arbitrary speed. */ + if (!view->selection_scroll_id) + view->selection_scroll_id = g_timeout_add (SCROLL_TIME, (GSourceFunc)selection_scroll_timeout_cb, view); + else + selection_scroll_timeout_cb (view); + + view->selection_info.in_selection = TRUE; + view->motion.x = x + view->scroll_x; + view->motion.y = y + view->scroll_y; + + /* Queue an idle to handle the motion. We do this because + * handling any selection events in the motion could be slower + * than new motion events reach us. We always put it in the + * idle to make sure we catch up and don't visibly lag the + * mouse. */ + if (!view->selection_update_id) + view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view); return TRUE; } else if (view->pressed_button == 2) { - if (!view->drag_info.dragging) { + if (!view->drag_info.in_drag) { gboolean start; start = gtk_drag_check_threshold (widget, @@ -1430,10 +2914,10 @@ ev_view_motion_notify_event (GtkWidget *widget, view->drag_info.start.y, event->x_root, event->y_root); - view->drag_info.dragging = start; + view->drag_info.in_drag = start; } - if (view->drag_info.dragging) { + if (view->drag_info.in_drag) { int dx, dy; gdouble dhadj_value, dvadj_value; @@ -1457,23 +2941,8 @@ ev_view_motion_notify_event (GtkWidget *widget, return TRUE; } - } else if (view->pressed_button <= 0 && view->document) { - EvLink *link; - - link = get_link_at_location (view, event->x + view->scroll_x, event->y + view->scroll_y); - if (link) { - char *msg; - - msg = status_message_from_link (view, link); - ev_view_set_status (view, msg); - ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK); - g_free (msg); - } else { - ev_view_set_status (view, NULL); - if (view->cursor == EV_VIEW_CURSOR_LINK) { - ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL); - } - } + } else if (view->pressed_button <= 0) { + ev_view_handle_cursor_over_xy (view, x, y); return TRUE; } @@ -1485,28 +2954,409 @@ ev_view_button_release_event (GtkWidget *widget, GdkEventButton *event) { EvView *view = EV_VIEW (widget); + EvLink *link; if (view->pressed_button == 2) { ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL); } + if (view->document && view->pressed_button != 3) { + link = ev_view_get_link_at_location (view, event->x, event->y); + } else { + link = NULL; + } + view->pressed_button = -1; - view->drag_info.dragging = FALSE; + view->drag_info.in_drag = FALSE; + view->image_dnd_info.in_drag = FALSE; + + if (view->selection_scroll_id) { + g_source_remove (view->selection_scroll_id); + view->selection_scroll_id = 0; + } + if (view->selection_update_id) { + g_source_remove (view->selection_update_id); + view->selection_update_id = 0; + } - if (view->selections) { + if (view->selection_info.selections) { ev_view_update_primary_selection (view); - } else if (view->document) { - EvLink *link; + + if (view->selection_info.in_drag) { + clear_selection (view); + gtk_widget_queue_draw (widget); + } + + view->selection_info.in_drag = FALSE; + } else if (link) { + if (event->button == 2) { + EvLinkAction *action; + EvLinkActionType type; + + action = ev_link_get_action (link); + if (!action) + return FALSE; + + type = ev_link_action_get_action_type (action); + if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) { + g_signal_emit (view, + signals[SIGNAL_EXTERNAL_LINK], + 0, action); + } + } else { + ev_view_handle_link (view, link); + } + } else if (view->presentation) { + switch (event->button) { + case 1: + ev_view_next_page (view); + return TRUE; + case 3: + ev_view_previous_page (view); + return TRUE; + } + } + + return FALSE; +} + +/* Goto Window */ +/* Cut and paste from gtkwindow.c */ +static void +send_focus_change (GtkWidget *widget, + gboolean in) +{ + GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE); + + g_object_ref (widget); + + if (in) + GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS); + else + GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS); + + fevent->focus_change.type = GDK_FOCUS_CHANGE; + fevent->focus_change.window = g_object_ref (widget->window); + fevent->focus_change.in = in; + + gtk_widget_event (widget, fevent); + + g_object_notify (G_OBJECT (widget), "has-focus"); + + g_object_unref (widget); + gdk_event_free (fevent); +} + +static void +ev_view_goto_window_hide (EvView *view) +{ + /* send focus-in event */ + send_focus_change (view->goto_entry, FALSE); + gtk_widget_hide (view->goto_window); + gtk_entry_set_text (GTK_ENTRY (view->goto_entry), ""); +} + +static gboolean +ev_view_goto_window_delete_event (GtkWidget *widget, + GdkEventAny *event, + EvView *view) +{ + ev_view_goto_window_hide (view); + + return TRUE; +} + +static gboolean +key_is_numeric (guint keyval) +{ + return ((keyval >= GDK_0 && keyval <= GDK_9) || + (keyval >= GDK_KP_0 && keyval <= GDK_KP_9)); +} + +static gboolean +ev_view_goto_window_key_press_event (GtkWidget *widget, + GdkEventKey *event, + EvView *view) +{ + switch (event->keyval) { + case GDK_Escape: + case GDK_Tab: + case GDK_KP_Tab: + case GDK_ISO_Left_Tab: + ev_view_goto_window_hide (view); + return TRUE; + case GDK_Return: + case GDK_KP_Enter: + case GDK_ISO_Enter: + case GDK_BackSpace: + case GDK_Delete: + return FALSE; + default: + if (!key_is_numeric (event->keyval)) + return TRUE; + } + + return FALSE; +} + +static gboolean +ev_view_goto_window_button_press_event (GtkWidget *widget, + GdkEventButton *event, + EvView *view) +{ + ev_view_goto_window_hide (view); + + return TRUE; +} + +static void +ev_view_goto_entry_activate (GtkEntry *entry, + EvView *view) +{ + const gchar *text; + gint page; + + text = gtk_entry_get_text (entry); + page = atoi (text) - 1; + + ev_view_goto_window_hide (view); + + if (page >= 0 && + page < ev_page_cache_get_n_pages (view->page_cache)) + ev_page_cache_set_current_page (view->page_cache, page); +} + +static void +ev_view_goto_window_create (EvView *view) +{ + GtkWidget *frame, *hbox, *toplevel, *label; + + toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view)); + + if (view->goto_window) { + if (GTK_WINDOW (toplevel)->group) + gtk_window_group_add_window (GTK_WINDOW (toplevel)->group, + GTK_WINDOW (view->goto_window)); + else if (GTK_WINDOW (view->goto_window)->group) + gtk_window_group_remove_window (GTK_WINDOW (view->goto_window)->group, + GTK_WINDOW (view->goto_window)); + return; + } + + view->goto_window = gtk_window_new (GTK_WINDOW_POPUP); + + if (GTK_WINDOW (toplevel)->group) + gtk_window_group_add_window (GTK_WINDOW (toplevel)->group, + GTK_WINDOW (view->goto_window)); + + gtk_window_set_modal (GTK_WINDOW (view->goto_window), TRUE); + + g_signal_connect (view->goto_window, "delete_event", + G_CALLBACK (ev_view_goto_window_delete_event), + view); + g_signal_connect (view->goto_window, "key_press_event", + G_CALLBACK (ev_view_goto_window_key_press_event), + view); + g_signal_connect (view->goto_window, "button_press_event", + G_CALLBACK (ev_view_goto_window_button_press_event), + view); + + frame = gtk_frame_new (NULL); + gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN); + gtk_container_add (GTK_CONTAINER (view->goto_window), frame); + gtk_widget_show (frame); + + hbox = gtk_hbox_new (FALSE, 0); + gtk_container_set_border_width (GTK_CONTAINER (hbox), 3); + gtk_container_add (GTK_CONTAINER (frame), hbox); + gtk_widget_show (hbox); + + label = gtk_label_new(_("Jump to page:")); + gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3); + gtk_widget_show (label); + gtk_widget_realize (label); + + view->goto_entry = gtk_entry_new (); + g_signal_connect (view->goto_entry, "activate", + G_CALLBACK (ev_view_goto_entry_activate), + view); + gtk_box_pack_start_defaults (GTK_BOX (hbox), view->goto_entry); + gtk_widget_show (view->goto_entry); + gtk_widget_realize (view->goto_entry); +} + +static void +ev_view_goto_entry_grab_focus (EvView *view) +{ + GtkWidgetClass *entry_parent_class; + + entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (view->goto_entry)); + (entry_parent_class->grab_focus) (view->goto_entry); + + send_focus_change (view->goto_entry, TRUE); +} + +static void +ev_view_goto_window_send_key_event (EvView *view, + GdkEvent *event) +{ + GdkEventKey *new_event; + GdkScreen *screen; + + /* Move goto window off screen */ + screen = gtk_widget_get_screen (GTK_WIDGET (view)); + gtk_window_move (GTK_WINDOW (view->goto_window), + gdk_screen_get_width (screen) + 1, + gdk_screen_get_height (screen) + 1); + gtk_widget_show (view->goto_window); + + new_event = (GdkEventKey *) gdk_event_copy (event); + g_object_unref (new_event->window); + new_event->window = g_object_ref (view->goto_window->window); + gtk_widget_realize (view->goto_window); + + gtk_widget_event (view->goto_window, (GdkEvent *)new_event); + gdk_event_free ((GdkEvent *)new_event); + gtk_widget_hide (view->goto_window); +} + +static gboolean +ev_view_key_press_event (GtkWidget *widget, + GdkEventKey *event) +{ + EvView *view = EV_VIEW (widget); + EvPresentationState current; + + if (!view->document) + return FALSE; + + if (!view->presentation || + view->presentation_state == EV_PRESENTATION_END) + return gtk_bindings_activate_event (GTK_OBJECT (widget), event); + + + current = view->presentation_state; + + switch (event->keyval) { + case GDK_b: + case GDK_B: + view->presentation_state = + (view->presentation_state == EV_PRESENTATION_BLACK) ? + EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK; + break; + case GDK_w: + case GDK_W: + view->presentation_state = + (view->presentation_state == EV_PRESENTATION_WHITE) ? + EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE; + break; + default: + if (view->presentation_state == EV_PRESENTATION_BLACK || + view->presentation_state == EV_PRESENTATION_WHITE) { + view->presentation_state = EV_PRESENTATION_NORMAL; + } + } - link = get_link_at_location (view, event->x + view->scroll_x, event->y + view->scroll_y); - if (link) { - go_to_link (view, link); + if (current == view->presentation_state) { + if (ev_page_cache_get_n_pages (view->page_cache) > 1 && + key_is_numeric (event->keyval)) { + gint x, y; + + ev_view_goto_window_create (view); + ev_view_goto_window_send_key_event (view, (GdkEvent *)event); + gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y); + gtk_window_move (GTK_WINDOW (view->goto_window), x, y); + gtk_widget_show (view->goto_window); + ev_view_goto_entry_grab_focus (view); + + return TRUE; } + + return gtk_bindings_activate_event (GTK_OBJECT (widget), event); + } + + switch (view->presentation_state) { + case EV_PRESENTATION_NORMAL: + case EV_PRESENTATION_BLACK: + gdk_window_set_background (view->layout.bin_window, + &widget->style->black); + break; + case EV_PRESENTATION_WHITE: + gdk_window_set_background (view->layout.bin_window, + &widget->style->white); + break; + default: + return gtk_bindings_activate_event (GTK_OBJECT (widget), event); + } + + gtk_widget_queue_draw (widget); + return TRUE; +} + +static gint +ev_view_focus_in (GtkWidget *widget, + GdkEventFocus *event) +{ + if (EV_VIEW (widget)->pixbuf_cache) + ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache); + gtk_widget_queue_draw (widget); + + return FALSE; +} + +static gint +ev_view_focus_out (GtkWidget *widget, + GdkEventFocus *event) +{ + if (EV_VIEW (widget)->goto_window) + ev_view_goto_window_hide (EV_VIEW (widget)); + + if (EV_VIEW (widget)->pixbuf_cache) + ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache); + gtk_widget_queue_draw (widget); + + return FALSE; +} + +static gboolean +ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event) +{ + EvView *view = EV_VIEW (widget); + + if (view->cursor == EV_VIEW_CURSOR_LINK || + view->cursor == EV_VIEW_CURSOR_IBEAM) + ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL); + +#if !GTK_CHECK_VERSION (2, 11, 7) + if (view->link_tooltip) { + view->hovered_link = NULL; + ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip)); } +#endif + + return FALSE; +} + +static gboolean +ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event) +{ + EvView *view = EV_VIEW (widget); + ev_view_handle_cursor_over_xy (view, event->x, event->y); + return FALSE; } +static void +ev_view_style_set (GtkWidget *widget, + GtkStyle *old_style) +{ + if (EV_VIEW (widget)->pixbuf_cache) + ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache); + + GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style); +} + /*** Drawing ***/ static guint32 @@ -1527,7 +3377,7 @@ draw_rubberband (GtkWidget *widget, GdkWindow *window, GdkPixbuf *pixbuf; GdkColor *fill_color_gdk; guint fill_color; - + fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]); fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha; @@ -1562,8 +3412,6 @@ highlight_find_results (EvView *view, int page) EvDocumentFind *find; int i, results = 0; - g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document)); - find = EV_DOCUMENT_FIND (view->document); results = ev_document_find_get_n_results (find, page); @@ -1573,42 +3421,104 @@ highlight_find_results (EvView *view, int page) GdkRectangle view_rectangle; guchar alpha; - if (i == view->find_result && page == view->find_page) { + if (i == view->find_result && page == view->current_page) { alpha = 0x90; } else { alpha = 0x20; } - ev_document_find_get_result (find, page, - i, &rectangle); - doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle); - draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window, - &view_rectangle, alpha); - } + ev_document_find_get_result (find, page, i, &rectangle); + doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle); + draw_rubberband (GTK_WIDGET (view), view->layout.bin_window, + &view_rectangle, alpha); + } +} + +static void +draw_loading_text (EvView *view, + GdkRectangle *page_area, + GdkRectangle *expose_area) +{ + cairo_t *cr; + gint width, height; + + /* Don't annoy users with loading messages during presentations. + * FIXME: Temporary "workaround" for + * http://bugzilla.gnome.org/show_bug.cgi?id=320352 */ + if (view->presentation) + return; + + if (!view->loading_text) { + const gchar *loading_text = _("Loading..."); + PangoLayout *layout; + PangoFontDescription *font_desc; + PangoRectangle logical_rect; + gint target_width; + gdouble real_scale; + + ev_document_fc_mutex_lock (); + + layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text); + + font_desc = pango_font_description_new (); + + /* We set the font to be 10 points, get the size, and scale appropriately */ + pango_font_description_set_size (font_desc, 10 * PANGO_SCALE); + pango_layout_set_font_description (layout, font_desc); + pango_layout_get_pixel_extents (layout, NULL, &logical_rect); + + target_width = MAX (page_area->width / 2, 1); + real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10); + pango_font_description_set_size (font_desc, (int)real_scale); + pango_layout_set_font_description (layout, font_desc); + pango_layout_get_pixel_extents (layout, NULL, &logical_rect); + + view->loading_text = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, + logical_rect.width, + logical_rect.height); + cr = cairo_create (view->loading_text); + cairo_set_source_rgb (cr, + 155 / (double)255, + 155 / (double)255, + 155 / (double)255); + pango_cairo_show_layout (cr, layout); + cairo_destroy (cr); + + pango_font_description_free (font_desc); + g_object_unref (layout); + + ev_document_fc_mutex_unlock (); + } + + width = (page_area->width - cairo_image_surface_get_width (view->loading_text)) / 2; + height = (page_area->height - cairo_image_surface_get_height (view->loading_text)) / 2; + + cr = gdk_cairo_create (view->layout.bin_window); + cairo_translate (cr, + page_area->x + width, + page_area->y + height); + cairo_set_source_surface (cr, view->loading_text, 0, 0); + cairo_paint (cr); + cairo_destroy (cr); } static void draw_one_page (EvView *view, gint page, + cairo_t *cr, GdkRectangle *page_area, GtkBorder *border, - GdkRectangle *expose_area) + GdkRectangle *expose_area, + gboolean *page_ready) { - gint width, height; - GdkPixbuf *scaled_image; - GdkPixbuf *current_pixbuf; GdkRectangle overlap; GdkRectangle real_page_area; g_assert (view->document); - if (!gdk_rectangle_intersect (page_area, expose_area, &overlap)) + if (! gdk_rectangle_intersect (page_area, expose_area, &overlap)) return; - ev_page_cache_get_size (view->page_cache, - page, view->scale, - &width, &height); - /* Render the document itself */ real_page_area = *page_area; @@ -1616,37 +3526,96 @@ draw_one_page (EvView *view, real_page_area.y += border->top; real_page_area.width -= (border->left + border->right); real_page_area.height -= (border->top + border->bottom); + *page_ready = TRUE; - if (! gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) - return; + if (!view->presentation) { + gint current_page; + + current_page = ev_page_cache_get_current_page (view->page_cache); + ev_document_misc_paint_one_page (view->layout.bin_window, + GTK_WIDGET (view), + page_area, border, + page == current_page); + } - ev_document_misc_paint_one_page (GTK_WIDGET(view)->window, - GTK_WIDGET (view), - page_area, border); + if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) { + gint width, height; + gint page_width, page_height; + cairo_surface_t *page_surface = NULL; + gint selection_width, selection_height; + cairo_surface_t *selection_surface = NULL; - current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page); + page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page); - if (current_pixbuf == NULL) - scaled_image = NULL; - else if (width == gdk_pixbuf_get_width (current_pixbuf) && - height == gdk_pixbuf_get_height (current_pixbuf)) - scaled_image = g_object_ref (current_pixbuf); - else - scaled_image = gdk_pixbuf_scale_simple (current_pixbuf, - width, height, - GDK_INTERP_NEAREST); + if (!page_surface) { + draw_loading_text (view, + &real_page_area, + expose_area); + *page_ready = FALSE; + + return; + } + + ev_page_cache_get_size (view->page_cache, + page, view->rotation, + view->scale, + &width, &height); + + page_width = cairo_image_surface_get_width (page_surface); + page_height = cairo_image_surface_get_height (page_surface); + + cairo_save (cr); + cairo_translate (cr, overlap.x, overlap.y); + + if (width != page_width || height != page_height) { + cairo_pattern_set_filter (cairo_get_source (cr), + CAIRO_FILTER_FAST); + cairo_scale (cr, + (gdouble)width / page_width, + (gdouble)height / page_height); + } + + cairo_surface_set_device_offset (page_surface, + overlap.x - real_page_area.x, + overlap.y - real_page_area.y); + cairo_set_source_surface (cr, page_surface, 0, 0); + cairo_paint (cr); + cairo_restore (cr); + + /* Get the selection pixbuf iff we have something to draw */ + if (find_selection_for_page (view, page) && + view->selection_mode == EV_VIEW_SELECTION_TEXT) { + selection_surface = + ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache, + page, + view->scale, + NULL); + } + + if (!selection_surface) { + return; + } + + selection_width = cairo_image_surface_get_width (selection_surface); + selection_height = cairo_image_surface_get_height (selection_surface); - if (scaled_image) { - gdk_draw_pixbuf (GTK_WIDGET(view)->window, - GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL], - scaled_image, - overlap.x - real_page_area.x, - overlap.y - real_page_area.y, - overlap.x, overlap.y, - overlap.width, overlap.height, - GDK_RGB_DITHER_NORMAL, - 0, 0); - g_object_unref (scaled_image); + cairo_save (cr); + cairo_translate (cr, overlap.x, overlap.y); + + if (width != selection_width || height != selection_height) { + cairo_pattern_set_filter (cairo_get_source (cr), + CAIRO_FILTER_FAST); + cairo_scale (cr, + (gdouble)width / selection_width, + (gdouble)height / selection_height); + } + + cairo_surface_set_device_offset (selection_surface, + overlap.x - real_page_area.x, + overlap.y - real_page_area.y); + cairo_set_source_surface (cr, selection_surface, 0, 0); + cairo_paint (cr); + cairo_restore (cr); } } @@ -1657,13 +3626,14 @@ ev_view_finalize (GObject *object) { EvView *view = EV_VIEW (object); - LOG ("Finalize"); - - g_free (view->status); g_free (view->find_status); clear_selection (view); + if (view->image_dnd_info.image) + g_object_unref (view->image_dnd_info.image); + view->image_dnd_info.image = NULL; + G_OBJECT_CLASS (ev_view_parent_class)->finalize (object); } @@ -1676,11 +3646,42 @@ ev_view_destroy (GtkObject *object) g_object_unref (view->document); view->document = NULL; } + if (view->pixbuf_cache) { g_object_unref (view->pixbuf_cache); view->pixbuf_cache = NULL; } - ev_view_set_scroll_adjustments (view, NULL, NULL); + +#if !GTK_CHECK_VERSION (2, 11, 7) + if (view->link_tooltip) { + gtk_widget_destroy (view->link_tooltip); + view->link_tooltip = NULL; + } +#endif + if (view->goto_window) { + gtk_widget_destroy (view->goto_window); + view->goto_window = NULL; + view->goto_entry = NULL; + } + + if (view->selection_scroll_id) { + g_source_remove (view->selection_scroll_id); + view->selection_scroll_id = 0; + } + + if (view->selection_update_id) { + g_source_remove (view->selection_update_id); + view->selection_update_id = 0; + } + + if (view->loading_text) { + cairo_surface_destroy (view->loading_text); + view->loading_text = NULL; + } + + ev_view_presentation_transition_stop (view); + + ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL); GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object); } @@ -1693,28 +3694,64 @@ ev_view_set_property (GObject *object, { EvView *view = EV_VIEW (object); - switch (prop_id) - { - case PROP_CONTINUOUS: - ev_view_set_continuous (view, g_value_get_boolean (value)); - break; - case PROP_DUAL_PAGE: - ev_view_set_dual_page (view, g_value_get_boolean (value)); - break; - case PROP_FULLSCREEN: - ev_view_set_fullscreen (view, g_value_get_boolean (value)); - break; - case PROP_PRESENTATION: - ev_view_set_presentation (view, g_value_get_boolean (value)); - break; - case PROP_SIZING_MODE: - ev_view_set_sizing_mode (view, g_value_get_enum (value)); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + switch (prop_id) { + case PROP_CONTINUOUS: + ev_view_set_continuous (view, g_value_get_boolean (value)); + break; + case PROP_DUAL_PAGE: + ev_view_set_dual_page (view, g_value_get_boolean (value)); + break; + case PROP_FULLSCREEN: + ev_view_set_fullscreen (view, g_value_get_boolean (value)); + break; + case PROP_PRESENTATION: + ev_view_set_presentation (view, g_value_get_boolean (value)); + break; + case PROP_SIZING_MODE: + ev_view_set_sizing_mode (view, g_value_get_enum (value)); + break; + case PROP_ZOOM: + ev_view_set_zoom (view, g_value_get_double (value), FALSE); + break; + case PROP_ROTATION: + ev_view_set_rotation (view, g_value_get_int (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); } } +static AtkObject * +ev_view_get_accessible (GtkWidget *widget) +{ + static gboolean first_time = TRUE; + + if (first_time) { + AtkObjectFactory *factory; + AtkRegistry *registry; + GType derived_type; + GType derived_atk_type; + + /* + * Figure out whether accessibility is enabled by looking at the + * type of the accessible object which would be created for + * the parent type of EvView. + */ + derived_type = g_type_parent (EV_TYPE_VIEW); + + registry = atk_get_default_registry (); + factory = atk_registry_get_factory (registry, + derived_type); + derived_atk_type = atk_object_factory_get_accessible_type (factory); + if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE)) + atk_registry_set_factory_type (registry, + EV_TYPE_VIEW, + ev_view_accessible_factory_get_type ()); + first_time = FALSE; + } + return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget); +} + static void ev_view_get_property (GObject *object, guint prop_id, @@ -1723,31 +3760,37 @@ ev_view_get_property (GObject *object, { EvView *view = EV_VIEW (object); - switch (prop_id) - { - case PROP_STATUS: - g_value_set_string (value, view->status); - break; - case PROP_FIND_STATUS: - g_value_set_string (value, view->status); - break; - case PROP_CONTINUOUS: - g_value_set_boolean (value, view->continuous); - break; - case PROP_DUAL_PAGE: - g_value_set_boolean (value, view->dual_page); - break; - case PROP_FULLSCREEN: - g_value_set_boolean (value, view->fullscreen); - break; - case PROP_PRESENTATION: - g_value_set_boolean (value, view->presentation); - break; - case PROP_SIZING_MODE: - g_value_set_enum (value, view->sizing_mode); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + switch (prop_id) { + case PROP_FIND_STATUS: + g_value_set_string (value, view->find_status); + break; + case PROP_CONTINUOUS: + g_value_set_boolean (value, view->continuous); + break; + case PROP_DUAL_PAGE: + g_value_set_boolean (value, view->dual_page); + break; + case PROP_FULLSCREEN: + g_value_set_boolean (value, view->fullscreen); + break; + case PROP_PRESENTATION: + g_value_set_boolean (value, view->presentation); + break; + case PROP_SIZING_MODE: + g_value_set_enum (value, view->sizing_mode); + break; + case PROP_ZOOM: + g_value_set_double (value, view->scale); + break; + case PROP_ROTATION: + g_value_set_int (value, view->rotation); + break; + case PROP_HAS_SELECTION: + g_value_set_boolean (value, + view->selection_info.selections != NULL); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); } } @@ -1757,6 +3800,7 @@ ev_view_class_init (EvViewClass *class) GObjectClass *object_class = G_OBJECT_CLASS (class); GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class); GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class); + GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class); GtkBindingSet *binding_set; object_class->finalize = ev_view_finalize; @@ -1767,31 +3811,35 @@ ev_view_class_init (EvViewClass *class) widget_class->button_press_event = ev_view_button_press_event; widget_class->motion_notify_event = ev_view_motion_notify_event; widget_class->button_release_event = ev_view_button_release_event; + widget_class->key_press_event = ev_view_key_press_event; + widget_class->focus_in_event = ev_view_focus_in; + widget_class->focus_out_event = ev_view_focus_out; + widget_class->get_accessible = ev_view_get_accessible; widget_class->size_request = ev_view_size_request; widget_class->size_allocate = ev_view_size_allocate; widget_class->realize = ev_view_realize; - widget_class->unrealize = ev_view_unrealize; widget_class->scroll_event = ev_view_scroll_event; + widget_class->enter_notify_event = ev_view_enter_notify_event; + widget_class->leave_notify_event = ev_view_leave_notify_event; + widget_class->style_set = ev_view_style_set; + widget_class->drag_data_get = ev_view_drag_data_get; + widget_class->drag_motion = ev_view_drag_motion; + widget_class->drag_data_received = ev_view_drag_data_received; + widget_class->popup_menu = ev_view_popup_menu; +#if GTK_CHECK_VERSION (2, 11, 7) + widget_class->query_tooltip = ev_view_query_tooltip; +#endif + gtk_object_class->destroy = ev_view_destroy; - class->set_scroll_adjustments = ev_view_set_scroll_adjustments; - class->scroll_view = ev_view_scroll_view; - - widget_class->set_scroll_adjustments_signal = - g_signal_new ("set-scroll-adjustments", - G_OBJECT_CLASS_TYPE (object_class), - G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, - G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments), - NULL, NULL, - ev_marshal_VOID__OBJECT_OBJECT, - G_TYPE_NONE, 2, - GTK_TYPE_ADJUSTMENT, - GTK_TYPE_ADJUSTMENT); - - signals[SIGNAL_SCROLL_VIEW] = g_signal_new ("scroll-view", + layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments; + + class->binding_activated = ev_view_scroll; + + signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated", G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, - G_STRUCT_OFFSET (EvViewClass, scroll_view), + G_STRUCT_OFFSET (EvViewClass, binding_activated), NULL, NULL, ev_marshal_VOID__ENUM_BOOLEAN, G_TYPE_NONE, 2, @@ -1805,14 +3853,31 @@ ev_view_class_init (EvViewClass *class) NULL, NULL, ev_marshal_VOID__VOID, G_TYPE_NONE, 0, G_TYPE_NONE); + signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link", + G_TYPE_FROM_CLASS (object_class), + G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, + G_STRUCT_OFFSET (EvViewClass, handle_link), + NULL, NULL, + g_cclosure_marshal_VOID__OBJECT, + G_TYPE_NONE, 1, + G_TYPE_OBJECT); + signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link", + G_TYPE_FROM_CLASS (object_class), + G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, + G_STRUCT_OFFSET (EvViewClass, external_link), + NULL, NULL, + g_cclosure_marshal_VOID__OBJECT, + G_TYPE_NONE, 1, + G_TYPE_OBJECT); + signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup", + G_TYPE_FROM_CLASS (object_class), + G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, + G_STRUCT_OFFSET (EvViewClass, popup_menu), + NULL, NULL, + g_cclosure_marshal_VOID__OBJECT, + G_TYPE_NONE, 1, + G_TYPE_OBJECT); - g_object_class_install_property (object_class, - PROP_STATUS, - g_param_spec_string ("status", - "Status Message", - "The status message", - NULL, - G_PARAM_READABLE)); g_object_class_install_property (object_class, PROP_FIND_STATUS, @@ -1861,12 +3926,51 @@ ev_view_class_init (EvViewClass *class) EV_SIZING_FIT_WIDTH, G_PARAM_READWRITE)); + g_object_class_install_property (object_class, + PROP_ZOOM, + g_param_spec_double ("zoom", + "Zoom factor", + "Zoom factor", + 0, + G_MAXDOUBLE, + 1.0, + G_PARAM_READWRITE)); + g_object_class_install_property (object_class, + PROP_ROTATION, + g_param_spec_double ("rotation", + "Rotation", + "Rotation", + 0, + 360, + 0, + G_PARAM_READWRITE)); + g_object_class_install_property (object_class, + PROP_HAS_SELECTION, + g_param_spec_boolean ("has-selection", + "Has selection", + "The view has selections", + FALSE, + G_PARAM_READABLE)); + binding_set = gtk_binding_set_by_class (class); - add_scroll_binding_keypad (binding_set, GDK_Left, GTK_SCROLL_STEP_BACKWARD, TRUE); - add_scroll_binding_keypad (binding_set, GDK_Right, GTK_SCROLL_STEP_FORWARD, TRUE); - add_scroll_binding_keypad (binding_set, GDK_Up, GTK_SCROLL_STEP_BACKWARD, FALSE); - add_scroll_binding_keypad (binding_set, GDK_Down, GTK_SCROLL_STEP_FORWARD, FALSE); + add_scroll_binding_keypad (binding_set, GDK_Left, 0, EV_SCROLL_STEP_BACKWARD, TRUE); + add_scroll_binding_keypad (binding_set, GDK_Right, 0, EV_SCROLL_STEP_FORWARD, TRUE); + add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, TRUE); + add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, TRUE); + add_scroll_binding_keypad (binding_set, GDK_Up, 0, EV_SCROLL_STEP_BACKWARD, FALSE); + add_scroll_binding_keypad (binding_set, GDK_Down, 0, EV_SCROLL_STEP_FORWARD, FALSE); + add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, FALSE); + add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, FALSE); + gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, EV_TYPE_SCROLL_TYPE, + EV_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE); + gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, EV_TYPE_SCROLL_TYPE, + EV_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE); + gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, EV_TYPE_SCROLL_TYPE, + EV_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE); + gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, EV_TYPE_SCROLL_TYPE, + EV_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE); + } static void @@ -1874,19 +3978,33 @@ ev_view_init (EvView *view) { GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS); - view->spacing = 10; + view->spacing = 5; view->scale = 1.0; view->current_page = 0; view->pressed_button = -1; view->cursor = EV_VIEW_CURSOR_NORMAL; - view->drag_info.dragging = FALSE; - + view->drag_info.in_drag = FALSE; + view->selection_info.selections = NULL; + view->selection_info.in_selection = FALSE; + view->selection_info.in_drag = FALSE; + view->selection_mode = EV_VIEW_SELECTION_TEXT; view->continuous = TRUE; view->dual_page = FALSE; view->presentation = FALSE; + view->presentation_state = EV_PRESENTATION_NORMAL; view->fullscreen = FALSE; view->sizing_mode = EV_SIZING_FIT_WIDTH; view->pending_scroll = SCROLL_TO_KEEP_POSITION; + view->jump_to_find_result = TRUE; + + gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL); + gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL); + + gtk_drag_dest_set (GTK_WIDGET (view), + GTK_DEST_DEFAULT_ALL, + view_drop_targets, + G_N_ELEMENTS (view_drop_targets), + GDK_ACTION_COPY); } /*** Callbacks ***/ @@ -1894,19 +4012,33 @@ ev_view_init (EvView *view) static void find_changed_cb (EvDocument *document, int page, EvView *view) { - jump_to_find_page (view); - jump_to_find_result (view); - update_find_status_message (view); + double percent; + int n_pages; + percent = ev_document_find_get_progress + (EV_DOCUMENT_FIND (view->document)); + n_pages = ev_page_cache_get_n_pages (view->page_cache); + + if (view->jump_to_find_result == TRUE) { + jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0); + jump_to_find_result (view); + } + update_find_status_message (view, percent * n_pages >= n_pages - 1 ); if (view->current_page == page) gtk_widget_queue_draw (GTK_WIDGET (view)); } static void job_finished_cb (EvPixbufCache *pixbuf_cache, + GdkRegion *region, EvView *view) { - gtk_widget_queue_draw (GTK_WIDGET (view)); + if (region) { + gdk_window_invalidate_region (view->layout.bin_window, + region, TRUE); + } else { + gtk_widget_queue_draw (GTK_WIDGET (view)); + } } static void @@ -1915,21 +4047,77 @@ page_changed_cb (EvPageCache *page_cache, EvView *view) { if (view->current_page != new_page) { + gint x, y; + + view->current_page = new_page; + view->pending_scroll = SCROLL_TO_PAGE_POSITION; - view_scroll_to_page (view, new_page); + if (view->presentation) + ev_view_presentation_transition_start (view); + + gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y); + ev_view_handle_cursor_over_xy (view, x, y); + + gtk_widget_queue_resize (GTK_WIDGET (view)); + } else { + gtk_widget_queue_draw (GTK_WIDGET (view)); + } - if (EV_IS_DOCUMENT_FIND (view->document)) { - view->find_page = new_page; - view->find_result = 0; - update_find_status_message (view); - } + if (EV_IS_DOCUMENT_FIND (view->document)) { + view->find_result = 0; + update_find_status_message (view, TRUE); } } -static void on_adjustment_value_changed (GtkAdjustment *adjustment, - EvView *view) +static void +on_adjustment_value_changed (GtkAdjustment *adjustment, + EvView *view) { - view_update_adjustments (view); + int dx = 0, dy = 0; + gint x, y; + GList *children, *l; + + if (! GTK_WIDGET_REALIZED (view)) + return; + + if (view->hadjustment) { + dx = view->scroll_x - (int) view->hadjustment->value; + view->scroll_x = (int) view->hadjustment->value; + } else { + view->scroll_x = 0; + } + + if (view->vadjustment) { + dy = view->scroll_y - (int) view->vadjustment->value; + view->scroll_y = (int) view->vadjustment->value; + } else { + view->scroll_y = 0; + } + + children = gtk_container_get_children (GTK_CONTAINER (view)); + for (l = children; l && l->data; l = g_list_next (l)) { + gint child_x, child_y; + GtkWidget *child = (GtkWidget *)l->data; + + gtk_container_child_get (GTK_CONTAINER (view), + child, + "x", &child_x, + "y", &child_y, + NULL); + gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy); + } + g_list_free (children); + + if (view->pending_resize) + gtk_widget_queue_draw (GTK_WIDGET (view)); + else + gdk_window_scroll (view->layout.bin_window, dx, dy); + + gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y); + ev_view_handle_cursor_over_xy (view, x, y); + + if (view->document) + view_update_range_and_current_page (view); } GtkWidget* @@ -1942,13 +4130,50 @@ ev_view_new (void) return view; } +static void +setup_caches (EvView *view) +{ + view->page_cache = ev_page_cache_get (view->document); + g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view); + view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document); + g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view); + page_changed_cb (view->page_cache, + ev_page_cache_get_current_page (view->page_cache), + view); +} + +static void +clear_caches (EvView *view) +{ + if (view->pixbuf_cache) { + g_object_unref (view->pixbuf_cache); + view->pixbuf_cache = NULL; + } + + if (view->page_cache) { + view->page_cache = NULL; + } +} + +void +ev_view_set_loading (EvView *view, + gboolean loading) +{ + view->loading = loading; + gtk_widget_queue_draw (GTK_WIDGET (view)); +} + void ev_view_set_document (EvView *view, EvDocument *document) { g_return_if_fail (EV_IS_VIEW (view)); + view->loading = FALSE; + if (document != view->document) { + clear_caches (view); + if (view->document) { g_signal_handlers_disconnect_by_func (view->document, find_changed_cb, @@ -1959,7 +4184,6 @@ ev_view_set_document (EvView *view, } view->document = document; - view->find_page = 0; view->find_result = 0; if (view->document) { @@ -1970,11 +4194,8 @@ ev_view_set_document (EvView *view, G_CALLBACK (find_changed_cb), view); } - view->page_cache = ev_document_get_page_cache (view->document); - view->pending_scroll = SCROLL_TO_CURRENT_PAGE; - g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view); - view->pixbuf_cache = ev_pixbuf_cache_new (view->document); - g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view); + + setup_caches (view); } gtk_widget_queue_resize (GTK_WIDGET (view)); @@ -1996,13 +4217,22 @@ ev_view_set_zoom (EvView *view, else scale = factor; - scale = CLAMP (scale, MIN_SCALE, MAX_SCALE); + scale = CLAMP (scale, view->min_scale, view->max_scale); if (ABS (view->scale - scale) < EPSILON) return; + + if (view->loading_text) { + cairo_surface_destroy (view->loading_text); + view->loading_text = NULL; + } + view->scale = scale; + view->pending_resize = TRUE; gtk_widget_queue_resize (GTK_WIDGET (view)); + + g_object_notify (G_OBJECT (view), "zoom"); } double @@ -2011,6 +4241,26 @@ ev_view_get_zoom (EvView *view) return view->scale; } +void +ev_view_set_screen_dpi (EvView *view, + gdouble dpi) +{ + g_return_if_fail (EV_IS_VIEW (view)); + g_return_if_fail (dpi > 0); + + view->dpi = dpi; + view->min_scale = MIN_SCALE * dpi / 72.0; + view->max_scale = MAX_SCALE * dpi / 72.0; +} + +gboolean +ev_view_get_continuous (EvView *view) +{ + g_return_val_if_fail (EV_IS_VIEW (view), FALSE); + + return view->continuous; +} + void ev_view_set_continuous (EvView *view, gboolean continuous) @@ -2021,13 +4271,21 @@ ev_view_set_continuous (EvView *view, if (view->continuous != continuous) { view->continuous = continuous; - view->pending_scroll = SCROLL_TO_CURRENT_PAGE; + view->pending_scroll = SCROLL_TO_PAGE_POSITION; gtk_widget_queue_resize (GTK_WIDGET (view)); } g_object_notify (G_OBJECT (view), "continuous"); } +gboolean +ev_view_get_dual_page (EvView *view) +{ + g_return_val_if_fail (EV_IS_VIEW (view), FALSE); + + return view->dual_page; +} + void ev_view_set_dual_page (EvView *view, gboolean dual_page) @@ -2038,8 +4296,8 @@ ev_view_set_dual_page (EvView *view, if (view->dual_page == dual_page) return; - - view->pending_scroll = SCROLL_TO_CURRENT_PAGE; + + view->pending_scroll = SCROLL_TO_PAGE_POSITION; view->dual_page = dual_page; /* FIXME: if we're keeping the pixbuf cache around, we should extend the * preload_cache_size to be 2 if dual_page is set. @@ -2057,11 +4315,12 @@ ev_view_set_fullscreen (EvView *view, fullscreen = fullscreen != FALSE; - if (view->fullscreen != fullscreen) { - view->fullscreen = fullscreen; - gtk_widget_queue_resize (GTK_WIDGET (view)); - } - + if (view->fullscreen == fullscreen) + return; + + view->fullscreen = fullscreen; + gtk_widget_queue_resize (GTK_WIDGET (view)); + g_object_notify (G_OBJECT (view), "fullscreen"); } @@ -2084,18 +4343,37 @@ ev_view_set_presentation (EvView *view, if (view->presentation == presentation) return; + if (!presentation) + view->presentation_state = EV_PRESENTATION_NORMAL; + view->presentation = presentation; + view->pending_scroll = SCROLL_TO_PAGE_POSITION; + + if (presentation) { + view->sizing_mode_saved = view->sizing_mode; + view->scale_saved = view->scale; + ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT); + } else { + ev_view_set_sizing_mode (view, view->sizing_mode_saved); + ev_view_set_zoom (view, view->scale_saved, FALSE); + } + gtk_widget_queue_resize (GTK_WIDGET (view)); + + if (presentation) + ev_view_presentation_transition_start (view); + else + ev_view_presentation_transition_stop (view); + if (GTK_WIDGET_REALIZED (view)) { if (view->presentation) - gdk_window_set_background (GTK_WIDGET(view)->window, + gdk_window_set_background (view->layout.bin_window, >K_WIDGET (view)->style->black); else - gdk_window_set_background (GTK_WIDGET(view)->window, + gdk_window_set_background (view->layout.bin_window, >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]); } - g_object_notify (G_OBJECT (view), "presentation"); } @@ -2107,6 +4385,49 @@ ev_view_get_presentation (EvView *view) return view->presentation; } +static gboolean +transition_next_page (EvView *view) +{ + ev_view_next_page (view); + + return FALSE; +} + +static void +ev_view_presentation_transition_stop (EvView *view) +{ + if (view->trans_timeout_id > 0) + g_source_remove (view->trans_timeout_id); + view->trans_timeout_id = 0; +} + +static void +ev_view_presentation_transition_start (EvView *view) +{ + gdouble duration; + + if (!EV_IS_DOCUMENT_TRANSITION (view->document)) + return; + + ev_view_presentation_transition_stop (view); + + duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (view->document), + view->current_page); + if (duration > 0) { +#if GLIB_CHECK_VERSION (2, 13, 0) + view->trans_timeout_id = + g_timeout_add_seconds (duration, + (GSourceFunc) transition_next_page, + view); +#else + view->trans_timeout_id = + g_timeout_add (duration * 1000, + (GSourceFunc) transition_next_page, + view); +#endif + } +} + void ev_view_set_sizing_mode (EvView *view, EvSizingMode sizing_mode) @@ -2118,7 +4439,7 @@ ev_view_set_sizing_mode (EvView *view, view->sizing_mode = sizing_mode; gtk_widget_queue_resize (GTK_WIDGET (view)); - + g_object_notify (G_OBJECT (view), "sizing-mode"); } @@ -2133,31 +4454,83 @@ ev_view_get_sizing_mode (EvView *view) gboolean ev_view_can_zoom_in (EvView *view) { - return view->scale * ZOOM_IN_FACTOR <= MAX_SCALE; + return view->scale * ZOOM_IN_FACTOR <= view->max_scale; } gboolean ev_view_can_zoom_out (EvView *view) { - return view->scale * ZOOM_OUT_FACTOR >= MIN_SCALE; + return view->scale * ZOOM_OUT_FACTOR >= view->min_scale; } void ev_view_zoom_in (EvView *view) { g_return_if_fail (view->sizing_mode == EV_SIZING_FREE); + + if (view->presentation) + return; view->pending_scroll = SCROLL_TO_CENTER; ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE); } -void -ev_view_zoom_out (EvView *view) +void +ev_view_zoom_out (EvView *view) +{ + g_return_if_fail (view->sizing_mode == EV_SIZING_FREE); + + if (view->presentation) + return; + + view->pending_scroll = SCROLL_TO_CENTER; + ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE); +} + +void +ev_view_rotate_right (EvView *view) +{ + int rotation = view->rotation + 90; + + if (rotation >= 360) { + rotation -= 360; + } + + ev_view_set_rotation (view, rotation); +} + +void +ev_view_rotate_left (EvView *view) +{ + int rotation = view->rotation - 90; + + if (rotation < 0) { + rotation += 360; + } + + ev_view_set_rotation (view, rotation); +} + +void +ev_view_set_rotation (EvView *view, int rotation) +{ + view->rotation = rotation; + + if (view->pixbuf_cache) { + ev_pixbuf_cache_clear (view->pixbuf_cache); + gtk_widget_queue_resize (GTK_WIDGET (view)); + } + + if (rotation != 0) + clear_selection (view); + + g_object_notify (G_OBJECT (view), "rotation"); +} + +int +ev_view_get_rotation (EvView *view) { - g_return_if_fail (view->sizing_mode == EV_SIZING_FREE); - - view->pending_scroll = SCROLL_TO_CENTER; - ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE); + return view->rotation; } static double @@ -2177,6 +4550,23 @@ zoom_for_size_fit_width (int doc_width, return scale; } +static double +zoom_for_size_fit_height (int doc_width, + int doc_height, + int target_width, + int target_height, + int vsb_height) +{ + double scale; + + scale = (double)target_height / doc_height; + + if (doc_width * scale > target_width) + scale = (double) (target_height - vsb_height) / doc_height; + + return scale; +} + static double zoom_for_size_best_fit (int doc_width, int doc_height, @@ -2210,6 +4600,7 @@ ev_view_zoom_for_size_presentation (EvView *view, ev_page_cache_get_size (view->page_cache, view->current_page, + view->rotation, 1.0, &doc_width, &doc_height); @@ -2228,12 +4619,14 @@ ev_view_zoom_for_size_continuous_and_dual_page (EvView *view, GtkBorder border; gdouble scale; - ev_page_cache_get_max_width_size (view->page_cache, - 1.0, - &doc_width, NULL); - ev_page_cache_get_max_height_size (view->page_cache, - 1.0, - NULL, &doc_height); + ev_page_cache_get_max_width (view->page_cache, + view->rotation, + 1.0, + &doc_width); + ev_page_cache_get_max_height (view->page_cache, + view->rotation, + 1.0, + &doc_height); compute_border (view, doc_width, doc_height, &border); doc_width = doc_width * 2; @@ -2264,12 +4657,14 @@ ev_view_zoom_for_size_continuous (EvView *view, GtkBorder border; gdouble scale; - ev_page_cache_get_max_width_size (view->page_cache, - 1.0, - &doc_width, NULL); - ev_page_cache_get_max_height_size (view->page_cache, - 1.0, - NULL, &doc_height); + ev_page_cache_get_max_width (view->page_cache, + view->rotation, + 1.0, + &doc_width); + ev_page_cache_get_max_height (view->page_cache, + view->rotation, + 1.0, + &doc_height); compute_border (view, doc_width, doc_height, &border); width -= (border.left + border.right + 2 * view->spacing); @@ -2305,6 +4700,7 @@ ev_view_zoom_for_size_dual_page (EvView *view, /* Find the largest of the two. */ ev_page_cache_get_size (view->page_cache, view->current_page, + view->rotation, 1.0, &doc_width, &doc_height); @@ -2312,6 +4708,7 @@ ev_view_zoom_for_size_dual_page (EvView *view, gint width_2, height_2; ev_page_cache_get_size (view->page_cache, other_page, + view->rotation, 1.0, &width_2, &height_2); if (width_2 > doc_width) @@ -2348,6 +4745,7 @@ ev_view_zoom_for_size_single_page (EvView *view, ev_page_cache_get_size (view->page_cache, view->current_page, + view->rotation, 1.0, &doc_width, &doc_height); @@ -2367,13 +4765,14 @@ ev_view_zoom_for_size_single_page (EvView *view, ev_view_set_zoom (view, scale, FALSE); } -void +static void ev_view_set_zoom_for_size (EvView *view, int width, int height, int vsb_width, int hsb_height) -{ +{ + g_return_if_fail (EV_IS_VIEW (view)); g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH || view->sizing_mode == EV_SIZING_BEST_FIT); g_return_if_fail (width >= 0); @@ -2394,34 +4793,13 @@ ev_view_set_zoom_for_size (EvView *view, ev_view_zoom_for_size_single_page (view, width, height, vsb_width, hsb_height); } -/*** Status text messages ***/ - -const char * -ev_view_get_status (EvView *view) -{ - g_return_val_if_fail (EV_IS_VIEW (view), NULL); - - return view->status; -} - -static void -ev_view_set_status (EvView *view, const char *message) -{ - g_return_if_fail (EV_IS_VIEW (view)); - - if (message != view->status) { - g_free (view->status); - view->status = g_strdup (message); - g_object_notify (G_OBJECT (view), "status"); - } -} - +/*** Find ***/ static void -update_find_status_message (EvView *view) +update_find_status_message (EvView *view, gboolean this_page) { char *message; - if (view->current_page == view->find_page) { + if (this_page) { int results; results = ev_document_find_get_n_results @@ -2437,19 +4815,14 @@ update_find_status_message (EvView *view) } else { double percent; - ev_document_doc_mutex_lock (); percent = ev_document_find_get_progress (EV_DOCUMENT_FIND (view->document)); - ev_document_doc_mutex_unlock (); - if (percent >= (1.0 - 1e-10)) { - message = g_strdup (_("Not found")); - } else { - message = g_strdup_printf (_("%3d%% remaining to search"), - (int) ((1.0 - percent) * 100)); - } - + message = g_strdup_printf (_("%3d%% remaining to search"), + (int) ((1.0 - percent) * 100)); + } ev_view_set_find_status (view, message); + g_free (message); } const char * @@ -2470,8 +4843,6 @@ ev_view_set_find_status (EvView *view, const char *message) g_object_notify (G_OBJECT (view), "find-status"); } -/*** Find ***/ - static void jump_to_find_result (EvView *view) { @@ -2479,25 +4850,31 @@ jump_to_find_result (EvView *view) EvRectangle rect; GdkRectangle view_rect; int n_results; - int page = view->find_page; + int page = view->current_page; - ev_document_doc_mutex_lock (); n_results = ev_document_find_get_n_results (find, page); - ev_document_doc_mutex_unlock (); - if (n_results > view->find_result) { - ev_document_doc_mutex_lock (); + if (n_results > 0 && view->find_result < n_results) { ev_document_find_get_result (find, page, view->find_result, &rect); - ev_document_doc_mutex_unlock (); doc_rect_to_view_rect (view, page, &rect, &view_rect); ensure_rectangle_is_visible (view, &view_rect); } } +/** + * jump_to_find_page + * @view: #EvView instance + * @direction: Direction to look + * @shift: Shift from current page + * + * Jumps to the first page that has occurences of searched word. + * Uses a direction where to look and a shift from current page. + * + */ static void -jump_to_find_page (EvView *view) +jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift) { int n_pages, i; @@ -2506,20 +4883,25 @@ jump_to_find_page (EvView *view) for (i = 0; i < n_pages; i++) { int has_results; int page; - - page = i + view->find_page; + + if (direction == EV_VIEW_FIND_NEXT) + page = view->current_page + i; + else + page = view->current_page - i; + page += shift; + if (page >= n_pages) { page = page - n_pages; } - + if (page < 0) + page = page + n_pages; + has_results = ev_document_find_page_has_results (EV_DOCUMENT_FIND (view->document), page); if (has_results == -1) { - view->find_page = page; break; } else if (has_results == 1) { ev_page_cache_set_current_page (view->page_cache, page); - jump_to_find_result (view); break; } } @@ -2528,50 +4910,61 @@ jump_to_find_page (EvView *view) gboolean ev_view_can_find_next (EvView *view) { - int n_results = 0; - if (EV_IS_DOCUMENT_FIND (view->document)) { EvDocumentFind *find = EV_DOCUMENT_FIND (view->document); + int i, n_pages; - ev_document_doc_mutex_lock (); - n_results = ev_document_find_get_n_results (find, view->current_page); - ev_document_doc_mutex_unlock (); + n_pages = ev_page_cache_get_n_pages (view->page_cache); + for (i = 0; i < n_pages; i++) { + if (ev_document_find_get_n_results (find, i) > 0) { + return TRUE; + } + } } - return n_results > 0; + return FALSE; } void ev_view_find_next (EvView *view) { - EvPageCache *page_cache; int n_results, n_pages; EvDocumentFind *find = EV_DOCUMENT_FIND (view->document); - page_cache = ev_document_get_page_cache (view->document); - ev_document_doc_mutex_lock (); n_results = ev_document_find_get_n_results (find, view->current_page); - ev_document_doc_mutex_unlock (); - n_pages = ev_page_cache_get_n_pages (page_cache); + n_pages = ev_page_cache_get_n_pages (view->page_cache); view->find_result++; if (view->find_result >= n_results) { - view->find_result = 0; - view->find_page++; - - if (view->find_page >= n_pages) { - view->find_page = 0; - } - jump_to_find_page (view); + view->find_result = 0; + jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1); + jump_to_find_result (view); } else { jump_to_find_result (view); gtk_widget_queue_draw (GTK_WIDGET (view)); } } +gboolean +ev_view_can_find_previous (EvView *view) +{ + if (EV_IS_DOCUMENT_FIND (view->document)) { + EvDocumentFind *find = EV_DOCUMENT_FIND (view->document); + int i, n_pages; + + n_pages = ev_page_cache_get_n_pages (view->page_cache); + for (i = n_pages - 1; i >= 0; i--) { + if (ev_document_find_get_n_results (find, i) > 0) { + return TRUE; + } + } + } + + return FALSE; +} void ev_view_find_previous (EvView *view) { @@ -2579,49 +4972,62 @@ ev_view_find_previous (EvView *view) EvDocumentFind *find = EV_DOCUMENT_FIND (view->document); EvPageCache *page_cache; - page_cache = ev_document_get_page_cache (view->document); + page_cache = ev_page_cache_get (view->document); - ev_document_doc_mutex_lock (); n_results = ev_document_find_get_n_results (find, view->current_page); - ev_document_doc_mutex_unlock (); n_pages = ev_page_cache_get_n_pages (page_cache); view->find_result--; if (view->find_result < 0) { - view->find_result = 0; - view->find_page--; - if (view->find_page < 0) { - view->find_page = n_pages - 1; - } - - jump_to_find_page (view); + jump_to_find_page (view, EV_VIEW_FIND_PREV, -1); + view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1; + jump_to_find_result (view); } else { jump_to_find_result (view); gtk_widget_queue_draw (GTK_WIDGET (view)); } } +void ev_view_search_changed (EvView *view) +{ + /* search string has changed, focus on new search result */ + view->jump_to_find_result = TRUE; +} + /*** Selections ***/ -static void -compute_selections (EvView *view, GdkRectangle *view_rect) +/* compute_new_selection_rect/text calculates the area currently selected by + * view_rect. each handles a different mode; + */ +static GList * +compute_new_selection_rect (EvView *view, + GdkPoint *start, + GdkPoint *stop) { + GdkRectangle view_rect; int n_pages, i; + GList *list = NULL; - clear_selection (view); + g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE); + + view_rect.x = MIN (start->x, stop->x); + view_rect.y = MIN (start->y, stop->y); + view_rect.width = MAX (start->x, stop->x) - view_rect.x; + view_rect.width = MAX (start->y, stop->y) - view_rect.y; n_pages = ev_page_cache_get_n_pages (view->page_cache); + for (i = 0; i < n_pages; i++) { GdkRectangle page_area; GtkBorder border; - + if (get_page_extents (view, i, &page_area, &border)) { GdkRectangle overlap; - if (gdk_rectangle_intersect (&page_area, view_rect, &overlap)) { + if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) { EvViewSelection *selection; selection = g_new0 (EvViewSelection, 1); @@ -2629,18 +5035,271 @@ compute_selections (EvView *view, GdkRectangle *view_rect) view_rect_to_doc_rect (view, &overlap, &page_area, &(selection->rect)); - view->selections = g_list_append - (view->selections, selection); + list = g_list_append (list, selection); + } + } + } + + return list; +} + +static gboolean +gdk_rectangle_point_in (GdkRectangle *rectangle, + GdkPoint *point) +{ + return rectangle->x <= point->x && + rectangle->y <= point->y && + point->x < rectangle->x + rectangle->width && + point->y < rectangle->y + rectangle->height; +} + +static GList * +compute_new_selection_text (EvView *view, + GdkPoint *start, + GdkPoint *stop) +{ + int n_pages, i, first, last; + GList *list = NULL; + EvViewSelection *selection; + gint width, height; + int start_page, end_page; + + g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT); + + n_pages = ev_page_cache_get_n_pages (view->page_cache); + + /* First figure out the range of pages the selection + * affects. */ + first = n_pages; + last = 0; + if (view->continuous) { + start_page = 0; + end_page = n_pages; + } else if (view->dual_page) { + start_page = view->start_page; + end_page = view->end_page + 1; + } else { + start_page = view->current_page; + end_page = view->current_page + 1; + } + + for (i = start_page; i < end_page; i++) { + GdkRectangle page_area; + GtkBorder border; + + get_page_extents (view, i, &page_area, &border); + if (gdk_rectangle_point_in (&page_area, start) || + gdk_rectangle_point_in (&page_area, stop)) { + if (first == n_pages) + first = i; + last = i; + } + + } + + /* Now create a list of EvViewSelection's for the affected + * pages. This could be an empty list, a list of just one + * page or a number of pages.*/ + for (i = first; i < last + 1; i++) { + GdkRectangle page_area; + GtkBorder border; + GdkPoint *point; + + ev_page_cache_get_size (view->page_cache, i, + view->rotation, + 1.0, &width, &height); + + selection = g_new0 (EvViewSelection, 1); + selection->page = i; + selection->rect.x1 = selection->rect.y1 = 0; + selection->rect.x2 = width; + selection->rect.y2 = height; + + get_page_extents (view, i, &page_area, &border); + + if (gdk_rectangle_point_in (&page_area, start)) + point = start; + else + point = stop; + + if (i == first) + view_point_to_doc_point (view, point, &page_area, + &selection->rect.x1, + &selection->rect.y1); + + /* If the selection is contained within just one page, + * make sure we don't write 'start' into both points + * in selection->rect. */ + if (first == last) + point = stop; + + if (i == last) + view_point_to_doc_point (view, point, &page_area, + &selection->rect.x2, + &selection->rect.y2); + + list = g_list_append (list, selection); + } + + return list; +} + +/* This function takes the newly calculated list, and figures out which regions + * have changed. It then queues a redraw approporiately. + */ +static void +merge_selection_region (EvView *view, + GList *new_list) +{ + GList *old_list; + GList *new_list_ptr, *old_list_ptr; + + /* Update the selection */ + old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache); + g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL); + view->selection_info.selections = new_list; + ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list); + g_object_notify (G_OBJECT (view), "has-selection"); + + new_list_ptr = new_list; + old_list_ptr = old_list; + + while (new_list_ptr || old_list_ptr) { + EvViewSelection *old_sel, *new_sel; + int cur_page; + GdkRegion *region = NULL; + + new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL; + old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL; + + /* Assume that the lists are in order, and we run through them + * comparing them, one page at a time. We come out with the + * first page we see. */ + if (new_sel && old_sel) { + if (new_sel->page < old_sel->page) { + new_list_ptr = new_list_ptr->next; + old_sel = NULL; + } else if (new_sel->page > old_sel->page) { + old_list_ptr = old_list_ptr->next; + new_sel = NULL; + } else { + new_list_ptr = new_list_ptr->next; + old_list_ptr = old_list_ptr->next; + } + } else if (new_sel) { + new_list_ptr = new_list_ptr->next; + } else if (old_sel) { + old_list_ptr = old_list_ptr->next; + } + + g_assert (new_sel || old_sel); + + /* is the page we're looking at on the screen?*/ + cur_page = new_sel ? new_sel->page : old_sel->page; + if (cur_page < view->start_page || cur_page > view->end_page) + continue; + + /* seed the cache with a new page. We are going to need the new + * region too. */ + if (new_sel) { + GdkRegion *tmp_region = NULL; + + ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache, + cur_page, + view->scale, + &tmp_region); + + if (tmp_region) { + new_sel->covered_region = gdk_region_copy (tmp_region); + } + } + + /* Now we figure out what needs redrawing */ + if (old_sel && new_sel) { + if (old_sel->covered_region && new_sel->covered_region) { + /* We only want to redraw the areas that have + * changed, so we xor the old and new regions + * and redraw if it's different */ + region = gdk_region_copy (old_sel->covered_region); + gdk_region_xor (region, new_sel->covered_region); + if (gdk_region_empty (region)) { + gdk_region_destroy (region); + region = NULL; + } + } else if (old_sel->covered_region) { + region = gdk_region_copy (old_sel->covered_region); + } else if (new_sel->covered_region) { + region = gdk_region_copy (new_sel->covered_region); + } + } else if (old_sel && !new_sel) { + if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) { + region = gdk_region_copy (old_sel->covered_region); } + } else if (!old_sel && new_sel) { + if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) { + region = gdk_region_copy (new_sel->covered_region); + } + } else { + g_assert_not_reached (); + } + + /* Redraw the damaged region! */ + if (region) { + GdkRectangle page_area; + GtkBorder border; + + /* I don't know why but the region is smaller + * than expected. This hack fixes it, I guess + * 10 pixels more won't hurt + */ + gdk_region_shrink (region, -5, -5); + + get_page_extents (view, cur_page, &page_area, &border); + gdk_region_offset (region, + page_area.x + border.left - view->scroll_x, + page_area.y + border.top - view->scroll_y); + gdk_window_invalidate_region (view->layout.bin_window, region, TRUE); + gdk_region_destroy (region); } } + + /* Free the old list, now that we're done with it. */ + g_list_foreach (old_list, (GFunc) selection_free, NULL); +} + +static void +compute_selections (EvView *view, + GdkPoint *start, + GdkPoint *stop) +{ + GList *list; + + if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE) + list = compute_new_selection_rect (view, start, stop); + else + list = compute_new_selection_text (view, start, stop); + merge_selection_region (view, list); +} + +/* Free's the selection. It's up to the caller to queue redraws if needed. + */ +static void +selection_free (EvViewSelection *selection) +{ + if (selection->covered_region) + gdk_region_destroy (selection->covered_region); + g_free (selection); } static void clear_selection (EvView *view) { - g_list_foreach (view->selections, (GFunc)g_free, NULL); - view->selections = NULL; + g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL); + view->selection_info.selections = NULL; + view->selection_info.in_selection = FALSE; + if (view->pixbuf_cache) + ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL); + g_object_notify (G_OBJECT (view), "has-selection"); } @@ -2649,6 +5308,10 @@ ev_view_select_all (EvView *view) { int n_pages, i; + /* Disable selection on rotated pages for the 0.4.0 series */ + if (view->rotation != 0) + return; + clear_selection (view); n_pages = ev_page_cache_get_n_pages (view->page_cache); @@ -2657,7 +5320,9 @@ ev_view_select_all (EvView *view) EvViewSelection *selection; ev_page_cache_get_size (view->page_cache, - i, 1.0, &width, &height); + i, + view->rotation, + 1.0, &width, &height); selection = g_new0 (EvViewSelection, 1); selection->page = i; @@ -2665,23 +5330,32 @@ ev_view_select_all (EvView *view) selection->rect.x2 = width; selection->rect.y2 = height; - view->selections = g_list_append (view->selections, selection); + view->selection_info.selections = g_list_append (view->selection_info.selections, selection); } + ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections); + g_object_notify (G_OBJECT (view), "has-selection"); gtk_widget_queue_draw (GTK_WIDGET (view)); } +gboolean +ev_view_get_has_selection (EvView *view) +{ + return view->selection_info.selections != NULL; +} + static char * get_selected_text (EvView *ev_view) { GString *text; GList *l; + gchar *normalized_text; text = g_string_new (NULL); ev_document_doc_mutex_lock (); - for (l = ev_view->selections; l != NULL; l = l->next) { + for (l = ev_view->selection_info.selections; l != NULL; l = l->next) { EvViewSelection *selection = (EvViewSelection *)l->data; char *tmp; @@ -2694,7 +5368,9 @@ get_selected_text (EvView *ev_view) ev_document_doc_mutex_unlock (); - return g_string_free (text, FALSE); + normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC); + g_string_free (text, TRUE); + return normalized_text; } void @@ -2728,8 +5404,10 @@ ev_view_primary_get_cb (GtkClipboard *clipboard, } text = get_selected_text (ev_view); - gtk_selection_data_set_text (selection_data, text, -1); - g_free (text); + if (text) { + gtk_selection_data_set_text (selection_data, text, -1); + g_free (text); + } } static void @@ -2749,10 +5427,10 @@ ev_view_update_primary_selection (EvView *ev_view) clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view), GDK_SELECTION_PRIMARY); - if (ev_view->selections) { + if (ev_view->selection_info.selections) { if (!gtk_clipboard_set_with_owner (clipboard, - targets, - G_N_ELEMENTS (targets), + clipboard_targets, + G_N_ELEMENTS (clipboard_targets), ev_view_primary_get_cb, ev_view_primary_clear_cb, G_OBJECT (ev_view))) @@ -2794,7 +5472,10 @@ ev_view_set_cursor (EvView *view, EvViewCursor new_cursor) switch (new_cursor) { case EV_VIEW_CURSOR_NORMAL: - gdk_window_set_cursor (widget->window, NULL); + gdk_window_set_cursor (view->layout.bin_window, NULL); + break; + case EV_VIEW_CURSOR_IBEAM: + cursor = gdk_cursor_new_for_display (display, GDK_XTERM); break; case EV_VIEW_CURSOR_LINK: cursor = gdk_cursor_new_for_display (display, GDK_HAND2); @@ -2811,7 +5492,7 @@ ev_view_set_cursor (EvView *view, EvViewCursor new_cursor) } if (cursor) { - gdk_window_set_cursor (widget->window, cursor); + gdk_window_set_cursor (view->layout.bin_window, cursor); gdk_cursor_unref (cursor); gdk_flush(); } @@ -2829,6 +5510,105 @@ ev_view_show_cursor (EvView *view) ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL); } +static void +ev_view_reset_presentation_state (EvView *view) +{ + if (!view->presentation || + view->presentation_state == EV_PRESENTATION_NORMAL) + return; + + view->presentation_state = EV_PRESENTATION_NORMAL; + gdk_window_set_background (view->layout.bin_window, + >K_WIDGET (view)->style->black); + gtk_widget_queue_draw (GTK_WIDGET (view)); +} + +gboolean +ev_view_next_page (EvView *view) +{ + int page, n_pages; + + g_return_val_if_fail (EV_IS_VIEW (view), FALSE); + + if (!view->page_cache) + return FALSE; + + if (view->presentation && + (view->presentation_state == EV_PRESENTATION_BLACK || + view->presentation_state == EV_PRESENTATION_WHITE)) { + ev_view_reset_presentation_state (view); + return FALSE; + } + + ev_view_presentation_transition_stop (view); + ev_view_reset_presentation_state (view); + + page = ev_page_cache_get_current_page (view->page_cache); + n_pages = ev_page_cache_get_n_pages (view->page_cache); + + if (view->dual_page && !view->presentation) + page = page + 2; + else + page = page + 1; + + if (page < n_pages) { + ev_page_cache_set_current_page (view->page_cache, page); + return TRUE; + } else if (view->presentation && page == n_pages) { + view->presentation_state = EV_PRESENTATION_END; + gtk_widget_queue_draw (GTK_WIDGET (view)); + return TRUE; + } else if (view->dual_page && page == n_pages) { + ev_page_cache_set_current_page (view->page_cache, page - 1); + return TRUE; + } else { + return FALSE; + } +} + +gboolean +ev_view_previous_page (EvView *view) +{ + int page; + + g_return_val_if_fail (EV_IS_VIEW (view), FALSE); + + if (!view->page_cache) + return FALSE; + + if (view->presentation && + view->presentation_state == EV_PRESENTATION_END) { + ev_view_reset_presentation_state (view); + return TRUE; + } + + if (view->presentation && + (view->presentation_state == EV_PRESENTATION_BLACK || + view->presentation_state == EV_PRESENTATION_WHITE)) { + ev_view_reset_presentation_state (view); + return FALSE; + } + + ev_view_reset_presentation_state (view); + + page = ev_page_cache_get_current_page (view->page_cache); + + if (view->dual_page && !view->presentation) + page = page - 2; + else + page = page - 1; + + if (page >= 0) { + ev_page_cache_set_current_page (view->page_cache, page); + return TRUE; + } else if (ev_view_get_dual_page (view) && page == -1) { + ev_page_cache_set_current_page (view->page_cache, 0); + return TRUE; + } else { + return FALSE; + } +} + /*** Enum description for usage in signal ***/ GType @@ -2847,3 +5627,55 @@ ev_sizing_mode_get_type (void) return etype; } +GType +ev_scroll_type_get_type (void) +{ + static GType etype = 0; + if (etype == 0) { + static const GEnumValue values[] = { + { EV_SCROLL_PAGE_FORWARD, "EV_SCROLL_PAGE_FORWARD", "scroll-page-forward" }, + { EV_SCROLL_PAGE_BACKWARD, "EV_SCROLL_PAGE_BACKWARD", "scroll-page-backward" }, + { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" }, + { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" }, + { EV_SCROLL_STEP_UP, "EV_SCROLL_STEP_UP", "scroll-step-up" }, + { EV_SCROLL_STEP_DOWN, "EV_SCROLL_STEP_DOWN", "scroll-step-down" }, + { 0, NULL, NULL } + }; + etype = g_enum_register_static ("EvScrollType", values); + } + return etype; +} + +void +ev_view_update_view_size (EvView *view, GtkScrolledWindow * scrolled_window) +{ + int width, height; + GtkRequisition vsb_requisition; + GtkRequisition hsb_requisition; + int scrollbar_spacing; + + /* Calculate the width available for the content */ + width = GTK_WIDGET (scrolled_window)->allocation.width; + height = GTK_WIDGET (scrolled_window)->allocation.height; + + if (gtk_scrolled_window_get_shadow_type (scrolled_window) == GTK_SHADOW_IN + && view) { + width -= 2 * GTK_WIDGET(view)->style->xthickness; + height -= 2 * GTK_WIDGET(view)->style->ythickness; + } + + gtk_widget_size_request (scrolled_window->vscrollbar, &vsb_requisition); + gtk_widget_size_request (scrolled_window->hscrollbar, &hsb_requisition); + gtk_widget_style_get (GTK_WIDGET (scrolled_window), + "scrollbar_spacing", + &scrollbar_spacing, + NULL); + + if (EV_IS_VIEW(view)) { + ev_view_set_zoom_for_size (EV_VIEW (view), + MAX (1, width), + MAX (1, height), + vsb_requisition.width + scrollbar_spacing, + hsb_requisition.height + scrollbar_spacing); + } +}