X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=shell%2Fev-view.c;h=1685aee823eb8c8070111dcda836083913ed187e;hb=14def5e0c1c11cee1523e10c72df74f4cf5e451d;hp=1e954594fa5359bdbbe445e93005d3de25a0a839;hpb=8df02504363901b99bfdd0cf79d56b9e92f4f9c3;p=evince.git diff --git a/shell/ev-view.c b/shell/ev-view.c index 1e954594..1685aee8 100644 --- a/shell/ev-view.c +++ b/shell/ev-view.c @@ -18,49 +18,65 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. */ +#include "config.h" + +#include #include -#include +#include + #include -#include -#include -#include +#include #include -#include -#include "ev-marshal.h" -#include "ev-view.h" -#include "ev-utils.h" -#include "ev-selection.h" -#include "ev-document-find.h" +#include "ev-application.h" +#include "ev-document-forms.h" +#include "ev-document-images.h" +#include "ev-document-links.h" #include "ev-document-misc.h" -#include "ev-debug.h" -#include "ev-job-queue.h" +#include "ev-document-transition.h" +#include "ev-marshal.h" #include "ev-page-cache.h" #include "ev-pixbuf-cache.h" +#include "ev-transition-animation.h" +#include "ev-utils.h" +#include "ev-view.h" +#include "ev-view-private.h" + +#if !GTK_CHECK_VERSION (2, 11, 7) +#include "ev-tooltip.h" +#endif #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_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, @@ -69,23 +85,18 @@ 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 guint signals[N_SIGNALS]; +static const GtkTargetEntry view_drop_targets[] = { + { "text/uri-list", 0, 0 } +}; -typedef enum { - EV_VIEW_CURSOR_NORMAL, - EV_VIEW_CURSOR_IBEAM, - EV_VIEW_CURSOR_LINK, - EV_VIEW_CURSOR_WAIT, - EV_VIEW_CURSOR_HIDDEN, - EV_VIEW_CURSOR_DRAG -} EvViewCursor; +static guint signals[N_SIGNALS]; typedef enum { EV_VIEW_FIND_NEXT, @@ -98,112 +109,21 @@ typedef enum { #define MIN_SCALE 0.05409 #define MAX_SCALE 4.0 -/* Information for middle clicking and moving around the doc */ -typedef struct { - gboolean in_drag; - GdkPoint start; - gdouble hadj; - gdouble vadj; -} DragInfo; - -/* Information for handling selection */ -typedef struct { - gboolean in_selection; - GdkPoint start; - GList *selections; -} SelectionInfo; - -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; - - /* Scrolling */ - GtkAdjustment *hadjustment; - GtkAdjustment *vadjustment; - - gint scroll_x; - gint scroll_y; - - /* Information for middle clicking and dragging around. */ - DragInfo drag_info; - - /* Selection */ - gint motion_x; - gint motion_y; - guint selection_update_id; - - EvViewSelectionMode selection_mode; - SelectionInfo selection_info; - - int pressed_button; - EvViewCursor cursor; - - 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; - - int rotation; - double scale; - - gboolean continuous; - gboolean dual_page; - gboolean fullscreen; - gboolean presentation; - EvSizingMode sizing_mode; - - PendingScroll pending_scroll; - gboolean pending_resize; -}; - -struct _EvViewClass { - GtkWidgetClass parent_class; - - void (*set_scroll_adjustments) (EvView *view, - GtkAdjustment *hadjustment, - GtkAdjustment *vadjustment); - void (*binding_activated) (EvView *view, - GtkScrollType scroll, - gboolean horizontal); - void (*zoom_invalid) (EvView *view); -}; +#define SCROLL_TIME 150 /*** Scrolling ***/ static void scroll_to_current_page (EvView *view, GtkOrientation orientation); -static void ev_view_set_scroll_adjustments (EvView *view, +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 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_binding_activated (EvView *view, + GdkModifierType modifiers, GtkScrollType scroll, gboolean horizontal); static void ensure_rectangle_is_visible (EvView *view, @@ -236,15 +156,20 @@ static void find_page_at_location (EvView 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, @@ -260,21 +185,26 @@ 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); @@ -286,15 +216,18 @@ 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 ***/ -static void find_changed_cb (EvDocument *document, - 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, @@ -322,6 +255,11 @@ 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, @@ -355,23 +293,28 @@ 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); -static void ev_view_set_find_status (EvView *view, - const char *message); /*** Find ***/ +static gint ev_view_find_get_n_results (EvView *view, + gint page); +static EvRectangle *ev_view_find_get_result (EvView *view, + gint page, + gint result); static void jump_to_find_result (EvView *view); static void jump_to_find_page (EvView *view, - EvViewFindDirection direction); + EvViewFindDirection direction, + gint shift); /*** Selection ***/ static void compute_selections (EvView *view, + EvSelectionStyle style, GdkPoint *start, GdkPoint *stop); static void clear_selection (EvView *view); +static void clear_link_selected (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, @@ -382,38 +325,50 @@ static void ev_view_primary_clear_cb (GtkClipboard gpointer data); static void ev_view_update_primary_selection (EvView *ev_view); +/*** 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_WIDGET) + +G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT) static void scroll_to_current_page (EvView *view, GtkOrientation orientation) { - GdkRectangle page_area; - GtkBorder border; + GdkPoint view_point; if (view->document == NULL) { return; } - get_page_extents (view, view->current_page, &page_area, &border); + 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->pending_point.x = 0; + } if (orientation == GTK_ORIENTATION_VERTICAL) { if (view->continuous) { gtk_adjustment_clamp_page (view->vadjustment, - page_area.y - view->spacing, - page_area.y + view->vadjustment->page_size); + view_point.y - view->spacing / 2, + view_point.y + view->vadjustment->page_size); } else { gtk_adjustment_set_value (view->vadjustment, - view->vadjustment->lower); + CLAMP (view_point.y, + view->vadjustment->lower, + view->vadjustment->upper - + view->vadjustment->page_size)); } } else { if (view->dual_page) { gtk_adjustment_clamp_page (view->hadjustment, - page_area.x, - page_area.x + view->hadjustment->page_size); + view_point.x, + view_point.x + view->hadjustment->page_size); } else { gtk_adjustment_set_value (view->hadjustment, - CLAMP (view->hadjustment->value, + CLAMP (view_point.x, view->hadjustment->lower, view->hadjustment->upper - view->hadjustment->page_size)); @@ -449,9 +404,10 @@ view_set_adjustment_values (EvView *view, factor = 1.0; switch (view->pending_scroll) { 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: factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper; @@ -469,10 +425,11 @@ view_set_adjustment_values (EvView *view, */ switch (view->pending_scroll) { 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: + case SCROLL_TO_PAGE_POSITION: scroll_to_current_page (view, orientation); break; case SCROLL_TO_CENTER: @@ -488,9 +445,9 @@ view_set_adjustment_values (EvView *view, static void view_update_range_and_current_page (EvView *view) { - if (view->pending_scroll != SCROLL_TO_KEEP_POSITION) - return; - + gint current_page; + gint best_current_page = -1; + /* Presentation trumps all other modes */ if (view->presentation) { view->start_page = view->current_page; @@ -498,8 +455,8 @@ view_update_range_and_current_page (EvView *view) } else if (view->continuous) { GdkRectangle current_area, unused, page_area; GtkBorder border; - gint current_page; gboolean found = FALSE; + gint area_max = -1, area; int i; if (!(view->vadjustment && view->hadjustment)) @@ -515,37 +472,50 @@ view_update_range_and_current_page (EvView *view) 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) { + } else if (found && view->current_page <= view->end_page) { break; } } - 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; + } + + best_current_page = MAX (best_current_page, view->start_page); + current_page = ev_page_cache_get_current_page (view->page_cache); + + 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); } ev_pixbuf_cache_set_page_range (view->pixbuf_cache, @@ -588,29 +558,32 @@ 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); - + on_adjustment_value_changed (NULL, view); } static void add_scroll_binding_keypad (GtkBindingSet *binding_set, guint keyval, + GdkModifierType modifiers, GtkScrollType scroll, gboolean horizontal) { guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left; - gtk_binding_entry_add_signal (binding_set, keyval, 0, + gtk_binding_entry_add_signal (binding_set, keyval, modifiers, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE, scroll, G_TYPE_BOOLEAN, horizontal); - gtk_binding_entry_add_signal (binding_set, keypad_keyval, 0, + gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE, scroll, G_TYPE_BOOLEAN, horizontal); @@ -618,15 +591,34 @@ add_scroll_binding_keypad (GtkBindingSet *binding_set, void ev_view_scroll (EvView *view, - EvScrollType scroll) + GtkScrollType 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 GTK_SCROLL_PAGE_BACKWARD: + case GTK_SCROLL_STEP_BACKWARD: + ev_view_previous_page (view); + break; + case GTK_SCROLL_PAGE_FORWARD: + case GTK_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; @@ -637,82 +629,50 @@ ev_view_scroll (EvView *view, last_page = TRUE; switch (scroll) { - case EV_SCROLL_PAGE_BACKWARD: + case GTK_SCROLL_PAGE_BACKWARD: /* Do not jump backwards if at the first page */ if (value == (adjustment->lower) && first_page) { /* Do nothing */ /* 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); } break; - case EV_SCROLL_PAGE_FORWARD: + case GTK_SCROLL_PAGE_FORWARD: /* Do not jump forward if at the last page */ if (value == (adjustment->upper - adjustment->page_size) && last_page) { /* Do nothing */ /* 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_binding_activated (EvView *view, - GtkScrollType scroll, - gboolean horizontal) -{ - GtkAdjustment *adjustment; - double value; - - if (view->presentation) { - switch (scroll) { - case GTK_SCROLL_STEP_BACKWARD: - ev_page_cache_prev_page (view->page_cache); - break; - case GTK_SCROLL_STEP_FORWARD: - ev_page_cache_next_page (view->page_cache); - break; - default: - break; - } - return; - } - - if (horizontal) { - adjustment = view->hadjustment; - } else { - adjustment = view->vadjustment; - } - - value = adjustment->value; - - switch (scroll) { - case GTK_SCROLL_STEP_BACKWARD: + case GTK_SCROLL_STEP_BACKWARD: value -= adjustment->step_increment; break; - case GTK_SCROLL_STEP_FORWARD: + case GTK_SCROLL_STEP_FORWARD: value += adjustment->step_increment; break; - default: + case GTK_SCROLL_STEP_DOWN: + value -= adjustment->step_increment / 10; + break; + case GTK_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); } @@ -726,7 +686,7 @@ ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect) GtkAdjustment *adjustment; int value; - view->pending_scroll = SCROLL_TO_KEEP_POSITION; + view->pending_scroll = SCROLL_TO_FIND_LOCATION; adjustment = view->vadjustment; @@ -751,6 +711,8 @@ 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 ***/ @@ -783,7 +745,7 @@ get_page_y_offset (EvView *view, int page, double zoom, int *y_offset) if (view->dual_page) { ev_page_cache_get_height_to_page (view->page_cache, page, view->rotation, zoom, NULL, &offset); - offset += (page / 2 + 1) * view->spacing + (page / 2) * (border.top + border.bottom); + 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); @@ -826,9 +788,9 @@ get_page_extents (EvView *view, 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); + 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 == 0) + 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; @@ -848,10 +810,11 @@ 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, other_page, view->rotation, @@ -869,7 +832,7 @@ 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; @@ -919,6 +882,49 @@ view_rect_to_doc_rect (EvView *view, doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale; } +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); + + 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 doc_rect_to_view_rect (EvView *view, int page, @@ -1027,117 +1033,1121 @@ location_in_text (EvView *view, return FALSE; } +static int +ev_view_get_width (EvView *view) +{ + 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 * -get_link_at_location (EvView *view, - gdouble x, - gdouble y) +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_offset / view->scale, y_offset / view->scale); + return ev_link_mapping_find (link_mapping, x_new, y_new); else return NULL; } -/* FIXME: standardize this sometime */ static void -go_to_link (EvView *view, EvLink *link) +goto_fitr_dest (EvView *view, EvLinkDest *dest) { - EvLinkType type; - const char *uri; - int page; + EvPoint doc_point; + gdouble zoom, left, top; + gboolean change_left, change_top; - type = ev_link_get_link_type (link); + left = ev_link_dest_get_left (dest, &change_left); + top = ev_link_dest_get_top (dest, &change_top); - 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; - } + zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left, + ev_link_dest_get_bottom (dest) - top, + 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 = change_left ? left : 0; + doc_point.y = change_top ? top : 0; + + view->current_page = ev_link_dest_get_page (dest); + if (change_left || change_top) + view->pending_point = doc_point; + view->pending_scroll = SCROLL_TO_PAGE_POSITION; + + gtk_widget_queue_resize (GTK_WIDGET (view)); } -static char * -status_message_from_link (EvView *view, EvLink *link) +static void +goto_fitv_dest (EvView *view, EvLinkDest *dest) { - EvLinkType type; - char *msg = NULL; - char *page_label; + EvPoint doc_point; + int doc_width, doc_height, page; + double zoom, left; + gboolean change_left; - type = ev_link_get_link_type (link); + page = ev_link_dest_get_page (dest); + ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height); - switch (type) { - case EV_LINK_TYPE_TITLE: - if (ev_link_get_title (link)) - msg = g_strdup (ev_link_get_title (link)); - 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); - break; - case EV_LINK_TYPE_EXTERNAL_URI: - msg = g_strdup (ev_link_get_uri (link)); - break; - default: - break; - } + left = ev_link_dest_get_left (dest, &change_left); + doc_point.x = change_left ? left : 0; + doc_point.y = 0; - return msg; -} + 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); -/*** GtkWidget implementation ***/ + view->current_page = page; + if (change_left) + view->pending_point = doc_point; + view->pending_scroll = SCROLL_TO_PAGE_POSITION; + + gtk_widget_queue_resize (GTK_WIDGET (view)); +} static void -ev_view_size_request_continuous_dual_page (EvView *view, - GtkRequisition *requisition) +goto_fith_dest (EvView *view, EvLinkDest *dest) { - int max_width; - gint n_pages; - GtkBorder border; + EvPoint doc_point; + int doc_width, doc_height, page; + gdouble zoom, top; + gboolean change_top; - ev_page_cache_get_max_width (view->page_cache, view->rotation, - view->scale, &max_width); - compute_border (view, max_width, max_width, &border); + page = ev_link_dest_get_page (dest); + ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height); - n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1; + top = ev_link_dest_get_top (dest, &change_top); - requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3); - get_page_y_offset (view, n_pages, view->scale, &requisition->height); + doc_point.x = 0; + doc_point.y = change_top ? top : 0; - if (view->sizing_mode == EV_SIZING_FIT_WIDTH) { - requisition->width = 1; - } else if (view->sizing_mode == EV_SIZING_BEST_FIT) { - requisition->width = 1; - /* FIXME: This could actually be set on one page docs or docs - * with a strange aspect ratio. */ - /* requisition->height = 1;*/ - } + zoom = zoom_for_size_fit_width (doc_width, top, + 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; + if (change_top) + view->pending_point = doc_point; + view->pending_scroll = SCROLL_TO_PAGE_POSITION; + + gtk_widget_queue_resize (GTK_WIDGET (view)); } static void -ev_view_size_request_continuous (EvView *view, - GtkRequisition *requisition) +goto_fit_dest (EvView *view, EvLinkDest *dest) { - int max_width; + 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; + gdouble zoom, left, top; + gboolean change_zoom, change_left, change_top; + + zoom = ev_link_dest_get_zoom (dest, &change_zoom); + page = ev_link_dest_get_page (dest); + + if (change_zoom && zoom > 1) { + ev_view_set_sizing_mode (view, EV_SIZING_FREE); + ev_view_set_zoom (view, zoom, FALSE); + } + + left = ev_link_dest_get_left (dest, &change_left); + top = ev_link_dest_get_top (dest, &change_top); + + doc_point.x = change_left ? left : 0; + doc_point.y = change_top ? top : 0; + + view->current_page = page; + if (change_left || change_top) + 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 * +tip_from_link (EvView *view, EvLink *link) +{ + EvLinkAction *action; + EvLinkActionType type; + char *msg = NULL; + char *page_label; + const char *title; + + 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_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_ACTION_TYPE_LAUNCH: + msg = g_strdup_printf (_("Launch %s"), + ev_link_action_get_filename (action)); + break; + case EV_LINK_ACTION_TYPE_NAMED: + msg = tip_from_action_named (action); + break; + 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; + + if (view->drag_info.in_drag) { + if (view->cursor != EV_VIEW_CURSOR_DRAG) + ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG); + return; + } + + if (view->scroll_info.autoscrolling) { + if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL) + ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL); + 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 || + view->cursor == EV_VIEW_CURSOR_DRAG) + 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 || + view->cursor == EV_VIEW_CURSOR_DRAG || + view->cursor == EV_VIEW_CURSOR_AUTOSCROLL) + 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->index); + ev_form_field_mapping_get_area (forms_mapping, field, &field_area); + doc_rect_to_view_rect (view, field->page->index, &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->index); + 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->index, + 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->index, + 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->index, + 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 (!field_choice->selected_items || + 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->index); + ev_form_field_mapping_get_area (form_field_mapping, field, &field_area); + + doc_rect_to_view_rect (view, field->page->index, &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) +{ + int max_width; + gint n_pages; + GtkBorder border; + + ev_page_cache_get_max_width (view->page_cache, view->rotation, + view->scale, &max_width); + compute_border (view, max_width, max_width, &border); + + n_pages = ev_page_cache_get_n_pages (view->page_cache) + 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; + } else if (view->sizing_mode == EV_SIZING_BEST_FIT) { + requisition->width = 1; + /* FIXME: This could actually be set on one page docs or docs + * with a strange aspect ratio. */ + /* requisition->height = 1;*/ + } +} + +static void +ev_view_size_request_continuous (EvView *view, + GtkRequisition *requisition) +{ + int max_width; int n_pages; GtkBorder border; @@ -1231,7 +2241,7 @@ ev_view_size_request (GtkWidget *widget, GtkRequisition *requisition) { EvView *view = EV_VIEW (widget); - + if (view->document == NULL) { requisition->width = 1; requisition->height = 1; @@ -1259,150 +2269,404 @@ 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); + if (view->document) + view_update_range_and_current_page (view); + view->pending_scroll = SCROLL_TO_KEEP_POSITION; view->pending_resize = FALSE; - if (view->document) - view_update_range_and_current_page (view); + 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; - GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation); + form_field_mapping = ev_pixbuf_cache_get_form_field_mapping (view->pixbuf_cache, + field->page->index); + ev_form_field_mapping_get_area (form_field_mapping, field, &field_area); + + doc_rect_to_view_rect (view, field->page->index, &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]); -} - -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) { + if (ev_view_can_zoom_in (view)) { + ev_view_zoom_in (view); + } + } else { + if (ev_view_can_zoom_out (view)) { + ev_view_zoom_out (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)) { - 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_DOWN) + else if (event->direction == GDK_SCROLL_LEFT) + event->direction = GDK_SCROLL_UP; + else if (event->direction == GDK_SCROLL_DOWN) event->direction = GDK_SCROLL_RIGHT; + else 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); + cairo_t *cr; + gint i; + + if (view->animation && ev_transition_animation_ready (view->animation)) { + GdkRectangle page_area; + GtkBorder border; + + if (get_page_extents (view, view->current_page, &page_area, &border)) { + cr = gdk_cairo_create (view->layout.bin_window); + + /* normalize to x=0, y=0 */ + cairo_translate (cr, page_area.x, page_area.y); + page_area.x = page_area.y = 0; + + ev_transition_animation_paint (view->animation, cr, page_area); + cairo_destroy (cr); + } + + return TRUE; + } + + 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, cr, &page_area, &border, &(event->area), &page_ready); + + if (page_ready && view->find_pages && view->highlight_find_results) + highlight_find_results (view, i); + } + + cairo_destroy (cr); + + if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) + (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event); + return FALSE; } -static EvViewSelection * -find_selection_for_page (EvView *view, - gint page) +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; + } + + g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, NULL); + + return TRUE; +} + +static gboolean +ev_view_popup_menu (GtkWidget *widget) { - GList *list; - - for (list = view->selection_info.selections; list != NULL; list = list->next) { - EvViewSelection *selection; + gint x, y; + + gtk_widget_get_pointer (widget, &x, &y); + return ev_view_do_popup_menu (EV_VIEW (widget), x, y); +} - selection = (EvViewSelection *) list->data; +#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; - if (selection->page == page) - return selection; - } + 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); - return NULL; + doc_rect_to_view_rect (view, page, &ev_rect, area); + area->y -= view->scroll_y ; } static gboolean -ev_view_expose_event (GtkWidget *widget, - GdkEventExpose *event) +ev_view_query_tooltip (GtkWidget *widget, + gint x, + gint y, + gboolean keyboard_tip, + GtkTooltip *tooltip) { EvView *view = EV_VIEW (widget); - int i; + EvLink *link; + gchar *text; - if (view->document == NULL) + link = ev_view_get_link_at_location (view, x, y); + if (!link) return FALSE; - for (i = view->start_page; i <= view->end_page; i++) { - GdkRectangle page_area; - GtkBorder border; + text = tip_from_link (view, link); + if (text && g_utf8_validate (text, -1, NULL)) { + GdkRectangle link_area; - if (!get_page_extents (view, i, &page_area, &border)) - continue; + 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); - page_area.x -= view->scroll_x; - page_area.y -= view->scroll_y; + return TRUE; +} +#endif /* GTK_CHECK_VERSION (2, 11, 7) */ - draw_one_page (view, i, &page_area, &border, &(event->area)); +static void +start_selection_for_event (EvView *view, + GdkEventButton *event) +{ + EvSelectionStyle style; - if (EV_IS_DOCUMENT_FIND (view->document)) - highlight_find_results (view, i); + clear_selection (view); + + view->selection_info.start.x = event->x + view->scroll_x; + view->selection_info.start.y = event->y + view->scroll_y; + + switch (event->type) { + case GDK_2BUTTON_PRESS: + style = EV_SELECTION_STYLE_WORD; + break; + case GDK_3BUTTON_PRESS: + style = EV_SELECTION_STYLE_LINE; + break; + default: + style = EV_SELECTION_STYLE_GLYPH; + break; } - return FALSE; + view->selection_info.style = style; } static gboolean @@ -1411,21 +2675,55 @@ 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; + if (view->scroll_info.autoscrolling) + return TRUE; + switch (event->button) { - case 1: - if (view->selection_info.selections) { - clear_selection (view); + case 1: { + EvImage *image; + EvFormField *field; + + if (EV_IS_SELECTION (view->document) && view->selection_info.selections) { + if (event->type == GDK_3BUTTON_PRESS) { + start_selection_for_event (view, event); + } else if (location_in_selected_text (view, + event->x + view->scroll_x, + event->y + view->scroll_y)) { + view->selection_info.in_drag = TRUE; + } else { + start_selection_for_event (view, event); + } + gtk_widget_queue_draw (widget); + } 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 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 { + ev_view_remove_all (view); + + if (EV_IS_SELECTION (view->document)) + start_selection_for_event (view, event); } - - view->selection_info.start.x = event->x + view->scroll_x; - view->selection_info.start.y = event->y + view->scroll_y; + } return TRUE; case 2: /* use root coordinates as reference point because @@ -1438,50 +2736,342 @@ ev_view_button_press_event (GtkWidget *widget, ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG); return TRUE; + case 3: + view->scroll_info.start_y = event->y; + 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 (EV_IS_SELECTION (view->document) && + view->selection_info.selections) { + 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; + + ev_document_doc_mutex_lock (); + pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document), + view->image_dnd_info.image); + ev_document_doc_mutex_unlock (); + + gtk_selection_data_set_pixbuf (selection_data, pixbuf); + g_object_unref (pixbuf); + } + break; + case TARGET_DND_URI: + if (view->image_dnd_info.image) { + GdkPixbuf *pixbuf; + const gchar *tmp_uri; + gchar **uris; + + ev_document_doc_mutex_lock (); + pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document), + view->image_dnd_info.image); + ev_document_doc_mutex_unlock (); + + tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf); + g_object_unref (pixbuf); + + 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 -selection_update_idle_cb (EvView *view) +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) { - GdkPoint point; - point.x = view->motion_x; - point.y = view->motion_y; - compute_selections (view, &view->selection_info.start, &point); + 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.style, + &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_drag_update_momentum (EvView *view) +{ + int i; + if (!view->drag_info.in_drag) + return FALSE; + + for (i = DRAG_HISTORY - 1; i > 0; i--) { + view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x; + view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y; + } + + /* Momentum is a moving average of 10ms granularity over + * the last 100ms with each 10ms stored in buffer. + */ + + view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x); + view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y); + + return TRUE; +} + +static gboolean +ev_view_scroll_drag_release (EvView *view) +{ + gdouble dhadj_value, dvadj_value; + gdouble oldhadjustment, oldvadjustment; + + view->drag_info.momentum.x /= 1.2; + view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */ + + dhadj_value = view->hadjustment->page_size * + (gdouble)view->drag_info.momentum.x / GTK_WIDGET (view)->allocation.width; + dvadj_value = view->vadjustment->page_size * + (gdouble)view->drag_info.momentum.y / GTK_WIDGET (view)->allocation.height; + + oldhadjustment = gtk_adjustment_get_value (view->hadjustment); + oldvadjustment = gtk_adjustment_get_value (view->vadjustment); + + if (((oldhadjustment + dhadj_value) > (view->hadjustment->upper - view->hadjustment->page_size)) || + ((oldhadjustment + dhadj_value) < 0)) + view->drag_info.momentum.x *= -0.5; /* 0.5 rather than 1 means the edges absorb some momentum */ + if (((oldvadjustment + dvadj_value) > (view->vadjustment->upper - view->vadjustment->page_size)) || + ((oldvadjustment + dvadj_value) < 0)) + view->drag_info.momentum.y *= -0.5; + + gtk_adjustment_set_value (view->hadjustment, + MIN (oldhadjustment + dhadj_value, + view->hadjustment->upper - view->hadjustment->page_size)); + gtk_adjustment_set_value (view->vadjustment, + MIN (oldvadjustment + dvadj_value, + view->vadjustment->upper - view->vadjustment->page_size)); + + if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) && + ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1))) + return FALSE; + else + 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->scroll_info.autoscrolling) { + view->scroll_info.last_y = y; + return TRUE; + } + + 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); + + view->selection_info.in_drag = FALSE; + + gtk_target_list_unref (target_list); + + 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); + + view->image_dnd_info.in_drag = FALSE; + + gtk_target_list_unref (target_list); + + return TRUE; + } + } + + switch (view->pressed_button) { + case 1: + /* For the Evince 0.4.x release, we limit selection to un-rotated + * documents only. + */ + if (view->rotation != 0) + return FALSE; + + /* 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); - if (view->pressed_button == 1) { view->selection_info.in_selection = TRUE; - view->motion_x = event->x + view->scroll_x; - view->motion_y = event->y + view->scroll_y; + 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 + /* 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) + 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) { + case 2: if (!view->drag_info.in_drag) { gboolean start; + int i; start = gtk_drag_check_threshold (widget, view->drag_info.start.x, @@ -1489,12 +3079,25 @@ ev_view_motion_notify_event (GtkWidget *widget, event->x_root, event->y_root); view->drag_info.in_drag = start; + view->drag_info.drag_timeout_id = g_timeout_add (10, + (GSourceFunc)ev_view_drag_update_momentum, view); + /* Set 100 to choose how long it takes to build up momentum */ + /* Clear out previous momentum info: */ + for (i = 0; i < DRAG_HISTORY; i++) { + view->drag_info.buffer[i].x = event->x; + view->drag_info.buffer[i].y = event->y; + } + view->drag_info.momentum.x = 0; + view->drag_info.momentum.y = 0; } if (view->drag_info.in_drag) { int dx, dy; gdouble dhadj_value, dvadj_value; + view->drag_info.buffer[0].x = event->x; + view->drag_info.buffer[0].y = event->y; + dx = event->x_root - view->drag_info.start.x; dy = event->y_root - view->drag_info.start.y; @@ -1515,56 +3118,381 @@ ev_view_motion_notify_event (GtkWidget *widget, return TRUE; } - } else if (view->pressed_button <= 0) { - EvLink *link; - link = get_link_at_location (view, event->x + view->scroll_x, event->y + view->scroll_y); - if (link) { - char *msg; + break; + default: + ev_view_handle_cursor_over_xy (view, x, y); + } - 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 if (location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y)) { - ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM); + return FALSE; +} + +static gboolean +ev_view_button_release_event (GtkWidget *widget, + GdkEventButton *event) +{ + EvView *view = EV_VIEW (widget); + EvLink *link = NULL; + + view->image_dnd_info.in_drag = FALSE; + + if (view->scroll_info.autoscrolling) { + ev_view_autoscroll_stop (view); + view->pressed_button = -1; + + return TRUE; + } + + if (view->drag_info.in_drag) { + view->drag_info.release_timeout_id = + g_timeout_add (20, + (GSourceFunc)ev_view_scroll_drag_release, view); + } + + if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) { + link = ev_view_get_link_at_location (view, event->x, event->y); + } + + view->drag_info.in_drag = FALSE; + + if (view->pressed_button == 2) { + ev_view_handle_cursor_over_xy (view, event->x, event->y); + } + + view->pressed_button = -1; + + 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->selection_info.in_selection && + view->selection_info.style != EV_SELECTION_STYLE_GLYPH) { + compute_selections (view, + view->selection_info.style, + &(view->selection_info.start), + &(view->selection_info.start)); + } + + if (view->selection_info.selections) { + clear_link_selected (view); + ev_view_update_primary_selection (view); + + 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_set_status (view, NULL); - if (view->cursor == EV_VIEW_CURSOR_LINK || - view->cursor == EV_VIEW_CURSOR_IBEAM) - ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL); + ev_view_handle_link (view, link); } - return TRUE; + } 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; } - return FALSE; + 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 (GTK_BOX (hbox), view->goto_entry, TRUE, TRUE, 0); + 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_button_release_event (GtkWidget *widget, - GdkEventButton *event) +ev_view_key_press_event (GtkWidget *widget, + GdkEventKey *event) { EvView *view = EV_VIEW (widget); + EvPresentationState current; - if (view->pressed_button == 2) { - ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL); - } + if (!view->document) + return FALSE; + + if (!view->presentation || + view->presentation_state == EV_PRESENTATION_END) + return gtk_bindings_activate_event (GTK_OBJECT (widget), event); - view->pressed_button = -1; - view->drag_info.in_drag = FALSE; - if (view->selection_info.selections) { - ev_view_update_primary_selection (view); - } else if (view->document) { - EvLink *link; + current = view->presentation_state; + + switch (event->keyval) { + case GDK_b: + case GDK_B: + case GDK_period: + case GDK_KP_Decimal: + 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); } - return FALSE; + 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 @@ -1582,6 +3510,9 @@ 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); @@ -1593,13 +3524,27 @@ static gboolean ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event) { EvView *view = EV_VIEW (widget); - - ev_view_set_status (view, NULL); - if (view->cursor == EV_VIEW_CURSOR_LINK || - view->cursor == EV_VIEW_CURSOR_IBEAM) + if (view->cursor != EV_VIEW_CURSOR_NORMAL) 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; } @@ -1613,7 +3558,6 @@ ev_view_style_set (GtkWidget *widget, GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style); } - /*** Drawing ***/ static guint32 @@ -1666,55 +3610,107 @@ draw_rubberband (GtkWidget *widget, GdkWindow *window, static void highlight_find_results (EvView *view, int page) { - EvDocumentFind *find; - int i, results = 0; - - g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document)); + gint i, n_results = 0; - find = EV_DOCUMENT_FIND (view->document); + n_results = ev_view_find_get_n_results (view, page); - results = ev_document_find_get_n_results (find, page); - - for (i = 0; i < results; i++) { - EvRectangle rectangle; + for (i = 0; i < n_results; i++) { + EvRectangle *rectangle; 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, + rectangle = ev_view_find_get_result (view, page, i); + 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_one_page (EvView *view, - gint page, - GdkRectangle *page_area, - GtkBorder *border, - GdkRectangle *expose_area) +draw_loading_text (EvView *view, + GdkRectangle *page_area, + GdkRectangle *expose_area) +{ + cairo_t *cr; + gint width, height; + + 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, + gboolean *page_ready) { - gint width, height; - GdkPixbuf *current_pixbuf; GdkRectangle overlap; GdkRectangle real_page_area; - EvViewSelection *selection; g_assert (view->document); + if (! gdk_rectangle_intersect (page_area, expose_area, &overlap)) return; - selection = find_selection_for_page (view, page); - ev_page_cache_get_size (view->page_cache, - page, view->rotation, - view->scale, - &width, &height); /* Render the document itself */ real_page_area = *page_area; @@ -1722,74 +3718,99 @@ 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; - ev_document_misc_paint_one_page (GTK_WIDGET(view)->window, - GTK_WIDGET (view), - page_area, border); + 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); + } if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) { - GdkPixbuf *selection_pixbuf = NULL; - GdkPixbuf *scaled_image; - GdkPixbuf *scaled_selection; + 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; + + page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page); + + if (!page_surface) { + if (!view->presentation) { + 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); - current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page); + 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 (current_pixbuf && view->selection_mode == EV_VIEW_SELECTION_TEXT && selection) - selection_pixbuf = ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache, - page, - view->scale, - NULL); - - 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 - /* FIXME: We don't want to scale the whole area, just the right - * area of it */ - scaled_image = gdk_pixbuf_scale_simple (current_pixbuf, - width, height, - GDK_INTERP_NEAREST); - - if (selection_pixbuf == NULL) - scaled_selection = NULL; - else if (width == gdk_pixbuf_get_width (selection_pixbuf) && - height == gdk_pixbuf_get_height (selection_pixbuf)) - scaled_selection = g_object_ref (selection_pixbuf); - else - /* FIXME: We don't want to scale the whole area, just the right - * area of it */ - scaled_selection = gdk_pixbuf_scale_simple (selection_pixbuf, - width, height, - GDK_INTERP_NEAREST); - - 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); + 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; } - if (scaled_selection) { - gdk_draw_pixbuf (GTK_WIDGET(view)->window, - GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL], - scaled_selection, - 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_selection); + selection_width = cairo_image_surface_get_width (selection_surface); + selection_height = cairo_image_surface_get_height (selection_surface); + + 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); } } @@ -1800,12 +3821,12 @@ ev_view_finalize (GObject *object) { EvView *view = EV_VIEW (object); - LOG ("Finalize"); - - g_free (view->status); - g_free (view->find_status); - clear_selection (view); + clear_link_selected (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); } @@ -1819,11 +3840,57 @@ 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; + } + + if (view->scroll_info.timeout_id) { + g_source_remove (view->scroll_info.timeout_id); + view->scroll_info.timeout_id = 0; + } + + if (view->drag_info.drag_timeout_id) { + g_source_remove (view->drag_info.drag_timeout_id); + view->drag_info.drag_timeout_id = 0; + } + + if (view->drag_info.release_timeout_id) { + g_source_remove (view->drag_info.release_timeout_id); + view->drag_info.release_timeout_id = 0; + } + + 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); } @@ -1836,31 +3903,64 @@ 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; - case PROP_ZOOM: - ev_view_set_zoom (view, g_value_get_double (value), FALSE); - 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, @@ -1869,34 +3969,34 @@ 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; - case PROP_ZOOM: - g_value_set_double (value, view->scale); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + switch (prop_id) { + 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); } } @@ -1906,6 +4006,7 @@ 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; @@ -1916,30 +4017,30 @@ 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; - gtk_object_class->destroy = ev_view_destroy; + 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 - class->set_scroll_adjustments = ev_view_set_scroll_adjustments; - class->binding_activated = ev_view_binding_activated; + gtk_object_class->destroy = ev_view_destroy; - 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); + 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), @@ -1958,22 +4059,31 @@ 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, - g_param_spec_string ("find-status", - "Find Status Message", - "The find status message", - NULL, - G_PARAM_READABLE)); g_object_class_install_property (object_class, PROP_CONTINUOUS, @@ -2018,18 +4128,47 @@ ev_view_class_init (EvViewClass *class) PROP_ZOOM, g_param_spec_double ("zoom", "Zoom factor", - "Zoom factor", - MIN_SCALE, - MAX_SCALE, - 1.0, - G_PARAM_READWRITE)); + "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, GTK_SCROLL_STEP_BACKWARD, TRUE); + add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE); + add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE); + add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE); + add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE); + add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE); + add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE); + add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE); + gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE, + GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE); + gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE, + GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE); + gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE, + GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE); + gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE, + GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE); + } static void @@ -2043,35 +4182,109 @@ ev_view_init (EvView *view) view->pressed_button = -1; view->cursor = EV_VIEW_CURSOR_NORMAL; view->drag_info.in_drag = FALSE; + view->scroll_info.autoscrolling = 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; + view->highlight_find_results = FALSE; + + 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 ***/ static void -find_changed_cb (EvDocument *document, int page, EvView *view) +ev_view_change_page (EvView *view, + gint new_page) { - jump_to_find_page (view, EV_VIEW_FIND_NEXT); - jump_to_find_result (view); - update_find_status_message (view); + gint x, y; - if (view->current_page == page) - gtk_widget_queue_draw (GTK_WIDGET (view)); + view->current_page = new_page; + view->pending_scroll = SCROLL_TO_PAGE_POSITION; + + 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)); +} + +static void +ev_view_transition_animation_finish (EvTransitionAnimation *animation, + EvView *view) +{ + g_object_unref (view->animation); + view->animation = NULL; + ev_view_change_page (view, view->current_page); +} + +static void +ev_view_transition_animation_frame (EvTransitionAnimation *animation, + gdouble progress, + EvView *view) +{ + gtk_widget_queue_draw (GTK_WIDGET (view)); +} + +static void +ev_view_presentation_animation_start (EvView *view, + int new_page) +{ + EvTransitionEffect *effect = NULL; + cairo_surface_t *surface; + + if (EV_IS_DOCUMENT_TRANSITION (view->document)) + effect = ev_document_transition_get_effect (EV_DOCUMENT_TRANSITION (view->document), + view->current_page); + if (!effect) + return; + + surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page); + view->animation = ev_transition_animation_new (effect); + ev_transition_animation_set_origin_surface (view->animation, surface); + + g_signal_connect (view->animation, "frame", + G_CALLBACK (ev_view_transition_animation_frame), view); + g_signal_connect (view->animation, "finished", + G_CALLBACK (ev_view_transition_animation_finish), view); } static void job_finished_cb (EvPixbufCache *pixbuf_cache, + GdkRegion *region, EvView *view) { - gtk_widget_queue_draw (GTK_WIDGET (view)); + if (view->animation) { + cairo_surface_t *surface; + + surface = ev_pixbuf_cache_get_surface (pixbuf_cache, view->current_page); + ev_transition_animation_set_dest_surface (view->animation, surface); + } + + if (region) { + gdk_window_invalidate_region (view->layout.bin_window, + region, TRUE); + } else { + gtk_widget_queue_draw (GTK_WIDGET (view)); + } } static void @@ -2080,23 +4293,24 @@ page_changed_cb (EvPageCache *page_cache, EvView *view) { if (view->current_page != new_page) { + if (view->presentation) + ev_view_presentation_animation_start (view, new_page); - view->current_page = new_page; - view->pending_scroll = SCROLL_TO_CURRENT_PAGE; - gtk_widget_queue_resize (GTK_WIDGET (view)); - - if (EV_IS_DOCUMENT_FIND (view->document)) { - view->find_page = new_page; - view->find_result = 0; - update_find_status_message (view); - } + ev_view_change_page (view, new_page); + } else { + gtk_widget_queue_draw (GTK_WIDGET (view)); } + + view->find_result = 0; } -static void on_adjustment_value_changed (GtkAdjustment *adjustment, - EvView *view) +static void +on_adjustment_value_changed (GtkAdjustment *adjustment, + EvView *view) { int dx = 0, dy = 0; + gint x, y; + GList *children, *l; if (! GTK_WIDGET_REALIZED (view)) return; @@ -2115,12 +4329,27 @@ static void on_adjustment_value_changed (GtkAdjustment *adjustment, 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 (GTK_WIDGET (view)->window, dx, dy); - + 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); @@ -2143,6 +4372,9 @@ setup_caches (EvView *view) 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 @@ -2153,10 +4385,90 @@ clear_caches (EvView *view) view->pixbuf_cache = NULL; } - if (view->page_cache) { - g_object_unref (view->page_cache); - view->page_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)); +} + +static gboolean +ev_view_autoscroll_cb (EvView *view) +{ + gdouble speed, value; + + /* If the user stops autoscrolling, autoscrolling will be + * set to false but the timeout will continue; stop the timeout: */ + if (!view->scroll_info.autoscrolling) { + view->scroll_info.timeout_id = 0; + return FALSE; + } + + if (view->scroll_info.last_y > view->scroll_info.start_y && + (view->scroll_info.last_y < view->scroll_info.start_y)) + return TRUE; + + /* Replace 100 with your speed of choice: The lower the faster. + * Replace 3 with another speed of choice: The higher, the faster it accelerated + * based on the distance of the starting point from the mouse + * (All also effected by the timeout interval of this callback) */ + + if (view->scroll_info.start_y > view->scroll_info.last_y) + speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3); + else + speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3); + + value = gtk_adjustment_get_value (view->vadjustment); + value = CLAMP (value + speed, 0, view->vadjustment->upper - view->vadjustment->page_size); + gtk_adjustment_set_value (view->vadjustment, value); + + return TRUE; + +} + +void +ev_view_autoscroll_start (EvView *view) +{ + gint x, y; + + g_return_if_fail (EV_IS_VIEW (view)); + + if (view->scroll_info.autoscrolling) + return; + + view->scroll_info.autoscrolling = TRUE; + view->scroll_info.timeout_id = + g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb, + view); + + gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y); + ev_view_handle_cursor_over_xy (view, x, y); +} + +void +ev_view_autoscroll_stop (EvView *view) +{ + gint x, y; + + g_return_if_fail (EV_IS_VIEW (view)); + + if (!view->scroll_info.autoscrolling) + return; + + view->scroll_info.autoscrolling = FALSE; + if (view->scroll_info.timeout_id) { + g_source_remove (view->scroll_info.timeout_id); + view->scroll_info.timeout_id = 0; } + + gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y); + ev_view_handle_cursor_over_xy (view, x, y); } void @@ -2165,31 +4477,21 @@ ev_view_set_document (EvView *view, { 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, - view); g_object_unref (view->document); view->page_cache = NULL; - } view->document = document; - view->find_page = 0; view->find_result = 0; if (view->document) { g_object_ref (view->document); - if (EV_IS_DOCUMENT_FIND (view->document)) { - g_signal_connect (view->document, - "find_changed", - G_CALLBACK (find_changed_cb), - view); - } - setup_caches (view); } @@ -2212,11 +4514,18 @@ ev_view_set_zoom (EvView *view, else scale = factor; - scale = CLAMP (scale, MIN_SCALE, MAX_SCALE); + scale = CLAMP (scale, + view->sizing_mode == EV_SIZING_FREE ? view->min_scale : 0, + 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; @@ -2231,6 +4540,18 @@ 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) { @@ -2249,7 +4570,7 @@ 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)); } @@ -2275,7 +4596,7 @@ 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. @@ -2321,20 +4642,43 @@ 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_CURRENT_PAGE; + 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 (view->animation) { + /* stop any running animation */ + ev_view_transition_animation_finish (view->animation, 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"); } @@ -2346,6 +4690,42 @@ 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) { + view->trans_timeout_id = + g_timeout_add_seconds (duration, + (GSourceFunc) transition_next_page, + view); + } +} + void ev_view_set_sizing_mode (EvView *view, EvSizingMode sizing_mode) @@ -2372,13 +4752,13 @@ 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 @@ -2386,6 +4766,9 @@ 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); } @@ -2395,6 +4778,9 @@ 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); } @@ -2432,6 +4818,11 @@ ev_view_set_rotation (EvView *view, int rotation) 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 @@ -2457,6 +4848,23 @@ 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, @@ -2655,13 +5063,14 @@ 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); @@ -2682,173 +5091,100 @@ 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"); - } -} - -static void -update_find_status_message (EvView *view) -{ - char *message; - - if (view->current_page == view->find_page) { - int results; - - results = ev_document_find_get_n_results - (EV_DOCUMENT_FIND (view->document), - view->current_page); - /* TRANS: Sometimes this could be better translated as - "%d hit(s) on this page". Therefore this string - contains plural cases. */ - message = g_strdup_printf (ngettext ("%d found on this page", - "%d found on this page", - results), - results); - } else { - double percent; - - percent = ev_document_find_get_progress - (EV_DOCUMENT_FIND (view->document)); - 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)); - } - - } - ev_view_set_find_status (view, message); - g_free (message); -} - -const char * -ev_view_get_find_status (EvView *view) +/*** Find ***/ +static gint +ev_view_find_get_n_results (EvView *view, gint page) { - g_return_val_if_fail (EV_IS_VIEW (view), NULL); - - return view->find_status; + return view->find_pages ? g_list_length (view->find_pages[page]) : 0; } -static void -ev_view_set_find_status (EvView *view, const char *message) +static EvRectangle * +ev_view_find_get_result (EvView *view, gint page, gint result) { - g_return_if_fail (EV_IS_VIEW (view)); - - g_free (view->find_status); - view->find_status = g_strdup (message); - g_object_notify (G_OBJECT (view), "find-status"); + return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL; } -/*** Find ***/ - static void jump_to_find_result (EvView *view) { - EvDocumentFind *find = EV_DOCUMENT_FIND (view->document); - EvRectangle rect; - GdkRectangle view_rect; - int n_results; - int page = view->find_page; + gint n_results; + gint page = view->current_page; - n_results = ev_document_find_get_n_results (find, page); + n_results = ev_view_find_get_n_results (view, page); - if (n_results > 0 && view->find_result < n_results) { - ev_document_find_get_result - (find, page, view->find_result, &rect); + if (n_results > 0 && view->find_result < n_results) { + EvRectangle *rect; + GdkRectangle view_rect; - doc_rect_to_view_rect (view, page, &rect, &view_rect); + rect = ev_view_find_get_result (view, page, view->find_result); + 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, EvViewFindDirection direction) +jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift) { int n_pages, i; n_pages = ev_page_cache_get_n_pages (view->page_cache); for (i = 0; i < n_pages; i++) { - int has_results; int page; if (direction == EV_VIEW_FIND_NEXT) - page = view->find_page + i; + page = view->current_page + i; else - page = view->find_page - i; - - + page = view->current_page - i; + page += shift; + if (page >= n_pages) { page = page - n_pages; - } - if (page < 0) + } else 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) { + + if (ev_view_find_get_n_results (view, page) > 0) { ev_page_cache_set_current_page (view->page_cache, page); break; } } } -gboolean -ev_view_can_find_next (EvView *view) +void +ev_view_find_changed (EvView *view, GList **results, gint page) { - int n_results = 0; - - if (EV_IS_DOCUMENT_FIND (view->document)) { - EvDocumentFind *find = EV_DOCUMENT_FIND (view->document); - - n_results = ev_document_find_get_n_results (find, view->current_page); + view->find_pages = results; + + if (view->jump_to_find_result == TRUE) { + jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0); + jump_to_find_result (view); } - return n_results > 0; + if (view->current_page == page) + gtk_widget_queue_draw (GTK_WIDGET (view)); } void ev_view_find_next (EvView *view) { - int n_results, n_pages; - EvDocumentFind *find = EV_DOCUMENT_FIND (view->document); - - n_results = ev_document_find_get_n_results (find, view->current_page); - - n_pages = ev_page_cache_get_n_pages (view->page_cache); + gint n_results; + n_results = ev_view_find_get_n_results (view, view->current_page); 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, EV_VIEW_FIND_NEXT); + jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1); jump_to_find_result (view); } else { jump_to_find_result (view); @@ -2859,27 +5195,11 @@ ev_view_find_next (EvView *view) void ev_view_find_previous (EvView *view) { - int n_results, n_pages; - EvDocumentFind *find = EV_DOCUMENT_FIND (view->document); - EvPageCache *page_cache; - - page_cache = ev_page_cache_get (view->document); - - n_results = ev_document_find_get_n_results (find, view->current_page); - - n_pages = ev_page_cache_get_n_pages (page_cache); - view->find_result--; if (view->find_result < 0) { - - view->find_page--; - if (view->find_page < 0) { - view->find_page = n_pages - 1; - } - - jump_to_find_page (view, EV_VIEW_FIND_PREV); - view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1; + jump_to_find_page (view, EV_VIEW_FIND_PREV, -1); + view->find_result = ev_view_find_get_n_results (view, view->current_page) - 1; jump_to_find_result (view); } else { jump_to_find_result (view); @@ -2887,6 +5207,27 @@ ev_view_find_previous (EvView *view) } } +void +ev_view_find_search_changed (EvView *view) +{ + /* search string has changed, focus on new search result */ + view->jump_to_find_result = TRUE; + view->find_pages = NULL; +} + +void +ev_view_find_set_highlight_search (EvView *view, gboolean value) +{ + view->highlight_find_results = value; + gtk_widget_queue_draw (GTK_WIDGET (view)); +} + +void +ev_view_find_cancel (EvView *view) +{ + view->find_pages = NULL; +} + /*** Selections ***/ /* compute_new_selection_rect/text calculates the area currently selected by @@ -2944,9 +5285,10 @@ gdk_rectangle_point_in (GdkRectangle *rectangle, } static GList * -compute_new_selection_text (EvView *view, - GdkPoint *start, - GdkPoint *stop) +compute_new_selection_text (EvView *view, + EvSelectionStyle style, + GdkPoint *start, + GdkPoint *stop) { int n_pages, i, first, last; GList *list = NULL; @@ -2987,8 +5329,6 @@ compute_new_selection_text (EvView *view, } - - /* 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.*/ @@ -3003,6 +5343,7 @@ compute_new_selection_text (EvView *view, selection = g_new0 (EvViewSelection, 1); selection->page = i; + selection->style = style; selection->rect.x1 = selection->rect.y1 = 0; selection->rect.x2 = width; selection->rect.y2 = height; @@ -3051,6 +5392,7 @@ merge_selection_region (EvView *view, 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; @@ -3094,10 +5436,12 @@ merge_selection_region (EvView *view, * region too. */ if (new_sel) { GdkRegion *tmp_region = NULL; - ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache, - cur_page, - view->scale, - &tmp_region); + + 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); } @@ -3105,8 +5449,7 @@ merge_selection_region (EvView *view, /* Now we figure out what needs redrawing */ if (old_sel && new_sel) { - if (old_sel->covered_region && - new_sel->covered_region) { + 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 */ @@ -3138,11 +5481,17 @@ merge_selection_region (EvView *view, 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 (GTK_WIDGET (view)->window, region, TRUE); + gdk_window_invalidate_region (view->layout.bin_window, region, TRUE); gdk_region_destroy (region); } } @@ -3152,16 +5501,17 @@ merge_selection_region (EvView *view, } static void -compute_selections (EvView *view, - GdkPoint *start, - GdkPoint *stop) +compute_selections (EvView *view, + EvSelectionStyle style, + 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); + list = compute_new_selection_text (view, style, start, stop); merge_selection_region (view, list); } @@ -3181,16 +5531,23 @@ clear_selection (EvView *view) 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"); } - void ev_view_select_all (EvView *view) { + GList *selections = NULL; int n_pages, i; - clear_selection (view); + /* 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); for (i = 0; i < n_pages; i++) { int width, height; @@ -3203,57 +5560,84 @@ ev_view_select_all (EvView *view) selection = g_new0 (EvViewSelection, 1); selection->page = i; + selection->style = EV_SELECTION_STYLE_GLYPH; selection->rect.x1 = selection->rect.y1 = 0; selection->rect.x2 = width; selection->rect.y2 = height; - view->selection_info.selections = g_list_append (view->selection_info.selections, selection); + selections = g_list_append (selections, selection); } - ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections); + merge_selection_region (view, selections); 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) +get_selected_text (EvView *view) { GString *text; GList *l; + gchar *normalized_text; + EvRenderContext *rc; text = g_string_new (NULL); + rc = ev_render_context_new (NULL, view->rotation, view->scale); ev_document_doc_mutex_lock (); - for (l = ev_view->selection_info.selections; l != NULL; l = l->next) { + for (l = view->selection_info.selections; l != NULL; l = l->next) { EvViewSelection *selection = (EvViewSelection *)l->data; - char *tmp; + EvPage *page; + gchar *tmp; + + page = ev_document_get_page (view->document, selection->page); + ev_render_context_set_page (rc, page); + g_object_unref (page); + + tmp = ev_selection_get_selected_text (EV_SELECTION (view->document), + rc, selection->style, + &(selection->rect)); - tmp = ev_document_get_text (ev_view->document, - selection->page, - &selection->rect); g_string_append (text, tmp); g_free (tmp); } + g_object_unref (rc); + ev_document_doc_mutex_unlock (); + + normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC); + g_string_free (text, TRUE); + return normalized_text; +} + +static void +ev_view_clipboard_copy (EvView *view, + const gchar *text) +{ + GtkClipboard *clipboard; - return g_string_free (text, FALSE); + clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view), + GDK_SELECTION_CLIPBOARD); + gtk_clipboard_set_text (clipboard, text, -1); } void ev_view_copy (EvView *ev_view) { - GtkClipboard *clipboard; char *text; - if (!ev_document_can_get_text (ev_view->document)) { + if (!EV_IS_SELECTION (ev_view->document)) return; - } text = get_selected_text (ev_view); - clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view), - GDK_SELECTION_CLIPBOARD); - gtk_clipboard_set_text (clipboard, text, -1); + ev_view_clipboard_copy (ev_view, text); g_free (text); } @@ -3264,15 +5648,21 @@ ev_view_primary_get_cb (GtkClipboard *clipboard, gpointer data) { EvView *ev_view = EV_VIEW (data); - char *text; - if (!ev_document_can_get_text (ev_view->document)) { - return; + if (ev_view->link_selected) { + gtk_selection_data_set_text (selection_data, + ev_link_action_get_uri (ev_view->link_selected), + -1); + } else if (EV_IS_SELECTION (ev_view->document) && + ev_view->selection_info.selections) { + gchar *text; + + text = get_selected_text (ev_view); + if (text) { + gtk_selection_data_set_text (selection_data, text, -1); + g_free (text); + } } - - text = get_selected_text (ev_view); - gtk_selection_data_set_text (selection_data, text, -1); - g_free (text); } static void @@ -3282,6 +5672,7 @@ ev_view_primary_clear_cb (GtkClipboard *clipboard, EvView *view = EV_VIEW (data); clear_selection (view); + clear_link_selected (view); } static void @@ -3292,10 +5683,10 @@ ev_view_update_primary_selection (EvView *ev_view) clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view), GDK_SELECTION_PRIMARY); - if (ev_view->selection_info.selections) { + if (ev_view->selection_info.selections || ev_view->link_selected) { 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))) @@ -3306,6 +5697,27 @@ ev_view_update_primary_selection (EvView *ev_view) } } +static void +clear_link_selected (EvView *view) +{ + if (view->link_selected) { + g_object_unref (view->link_selected); + view->link_selected = NULL; + } +} + +void +ev_view_copy_link_address (EvView *view, + EvLinkAction *action) +{ + clear_link_selected (view); + + ev_view_clipboard_copy (view, ev_link_action_get_uri (action)); + + view->link_selected = g_object_ref (action); + ev_view_update_primary_selection (view); +} + /*** Cursor operations ***/ static GdkCursor * @@ -3337,7 +5749,7 @@ 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); @@ -3354,10 +5766,13 @@ ev_view_set_cursor (EvView *view, EvViewCursor new_cursor) case EV_VIEW_CURSOR_DRAG: cursor = gdk_cursor_new_for_display (display, GDK_FLEUR); break; + case EV_VIEW_CURSOR_AUTOSCROLL: + cursor = gdk_cursor_new_for_display (display, GDK_DOUBLE_ARROW); + break; } if (cursor) { - gdk_window_set_cursor (widget->window, cursor); + gdk_window_set_cursor (view->layout.bin_window, cursor); gdk_cursor_unref (cursor); gdk_flush(); } @@ -3375,6 +5790,115 @@ 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; + } + + if (view->animation) { + ev_view_transition_animation_finish (view->animation, view); + return TRUE; + } + + 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; + } + + if (view->animation) { + ev_view_transition_animation_finish (view->animation, view); + return TRUE; + } + + 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 @@ -3393,3 +5917,36 @@ ev_sizing_mode_get_type (void) 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); + } +}