X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=shell%2Fev-view.c;h=9a37136cee60860dc66c3e89f9dba4d086b380df;hb=913ada1452d003b49919126cd4cb2c91842bfdcd;hp=a4032e9eca6c8a618480d5d476d3c57965678c0e;hpb=6c9ba464fdfc4b92f5d472705a53eb3f476431fb;p=evince.git diff --git a/shell/ev-view.c b/shell/ev-view.c index a4032e9e..9a37136c 100644 --- a/shell/ev-view.c +++ b/shell/ev-view.c @@ -19,6 +19,7 @@ */ #include +#include #include #include #include @@ -29,17 +30,23 @@ #include "ev-marshal.h" #include "ev-view.h" +#include "ev-view-private.h" +#include "ev-utils.h" +#include "ev-selection.h" +#include "ev-document-links.h" #include "ev-document-find.h" #include "ev-document-misc.h" #include "ev-debug.h" #include "ev-job-queue.h" #include "ev-page-cache.h" #include "ev-pixbuf-cache.h" +#include "ev-tooltip.h" #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass)) #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW)) #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass)) + enum { PROP_0, PROP_STATUS, @@ -50,11 +57,15 @@ enum { PROP_PRESENTATION, PROP_SIZING_MODE, PROP_ZOOM, + PROP_ROTATION, + PROP_HAS_SELECTION, }; enum { - SIGNAL_SCROLL_VIEW, + SIGNAL_BINDING_ACTIVATED, SIGNAL_ZOOM_INVALID, + SIGNAL_EXTERNAL_LINK, + SIGNAL_POPUP_MENU, N_SIGNALS, }; @@ -76,12 +87,9 @@ static const GtkTargetEntry targets[] = { static guint signals[N_SIGNALS]; typedef enum { - EV_VIEW_CURSOR_NORMAL, - EV_VIEW_CURSOR_LINK, - EV_VIEW_CURSOR_WAIT, - EV_VIEW_CURSOR_HIDDEN, - EV_VIEW_CURSOR_DRAG -} EvViewCursor; + EV_VIEW_FIND_NEXT, + EV_VIEW_FIND_PREV +} EvViewFindDirection; #define ZOOM_IN_FACTOR 1.2 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR) @@ -89,83 +97,10 @@ typedef enum { #define MIN_SCALE 0.05409 #define MAX_SCALE 4.0 -typedef struct { - EvRectangle rect; - int page; -} EvViewSelection; - -typedef struct { - gboolean dragging; - GdkPoint start; - gdouble hadj; - gdouble vadj; -} DragInfo; - -typedef enum { - SCROLL_TO_KEEP_POSITION, - SCROLL_TO_CURRENT_PAGE, - SCROLL_TO_CENTER -} PendingScroll; - -struct _EvView { - GtkWidget parent_instance; - - EvDocument *document; - - char *status; - char *find_status; - - gint scroll_x; - gint scroll_y; - - DragInfo drag_info; - gboolean pressed_button; - GdkPoint selection_start; - GList *selections; - EvViewCursor cursor; - - GtkAdjustment *hadjustment; - GtkAdjustment *vadjustment; - - EvPageCache *page_cache; - EvPixbufCache *pixbuf_cache; - - gint start_page; - gint end_page; - gint current_page; - - EvJobRender *current_job; - - int find_page; - int find_result; - int spacing; - - double scale; - - 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 (*scroll_view) (EvView *view, - GtkScrollType scroll, - gboolean horizontal); - void (*zoom_invalid) (EvView *view); -}; +#define SCROLL_TIME 150 /*** Scrolling ***/ -static void scroll_to_current_page (EvView *view, +static void scroll_to_current_page (EvView *view, GtkOrientation orientation); static void ev_view_set_scroll_adjustments (EvView *view, GtkAdjustment *hadjustment, @@ -179,10 +114,8 @@ static void ev_view_set_scroll_adjustments (EvView GtkAdjustment *vadjustment); static void add_scroll_binding_keypad (GtkBindingSet *binding_set, guint keyval, - GtkScrollType scroll, - gboolean horizontal); -static void ev_view_scroll_view (EvView *view, - GtkScrollType scroll, + GdkModifierType modifiers, + EvScrollType scroll, gboolean horizontal); static void ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect); @@ -214,16 +147,19 @@ 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); - +static void handle_link_over_xy (EvView *view, + gint x, + gint y); /*** GtkWidget implementation ***/ static void ev_view_size_request_continuous_dual_page (EvView *view, GtkRequisition *requisition); @@ -238,17 +174,25 @@ 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 AtkObject *ev_view_get_accessible (GtkWidget *widget); /*** Drawing ***/ static guint32 ev_gdk_color_to_rgb (const GdkColor *color); @@ -262,6 +206,10 @@ static void draw_one_page (EvView gint page, 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 ***/ @@ -296,6 +244,11 @@ 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, @@ -333,17 +286,22 @@ static void ev_view_set_cursor (EvView /*** Status messages ***/ static void ev_view_set_status (EvView *view, const char *message); -static void update_find_status_message (EvView *view); +static void update_find_status_message (EvView *view, + gboolean this_page); static void ev_view_set_find_status (EvView *view, const char *message); /*** Find ***/ static void jump_to_find_result (EvView *view); -static void jump_to_find_page (EvView *view); +static void jump_to_find_page (EvView *view, + EvViewFindDirection direction, + gint shift); /*** Selection ***/ static void compute_selections (EvView *view, - GdkRectangle *view_rect); + GdkPoint *start, + GdkPoint *stop); static void clear_selection (EvView *view); +static void selection_free (EvViewSelection *selection); static char* get_selected_text (EvView *ev_view); static void ev_view_primary_get_cb (GtkClipboard *clipboard, GtkSelectionData *selection_data, @@ -353,36 +311,48 @@ static void ev_view_primary_clear_cb (GtkClipboard gpointer data); static void ev_view_update_primary_selection (EvView *ev_view); - + G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_WIDGET) static void scroll_to_current_page (EvView *view, GtkOrientation orientation) { - GdkRectangle page_area; - GtkBorder border; + GdkPoint view_point; + + if (view->document == NULL) { + return; + } + + doc_point_to_view_point (view, view->current_page, &view->pending_point, &view_point); - get_page_extents (view, view->current_page, &page_area, &border); + if (orientation == GTK_ORIENTATION_VERTICAL) { + view->pending_point.y = 0; + } else { + view->pending_point.x = 0; + } - if (orientation == GTK_ORIENTATION_VERTICAL) { + 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->upper - view->hadjustment->page_size)); } } @@ -412,15 +382,16 @@ view_set_adjustment_values (EvView *view, if (!adjustment) return; - + factor = 1.0; switch (view->pending_scroll) { - case SCROLL_TO_KEEP_POSITION: + case SCROLL_TO_KEEP_POSITION: + case SCROLL_TO_FIND_LOCATION: factor = (adjustment->value) / adjustment->upper; break; - case SCROLL_TO_CURRENT_PAGE: + case SCROLL_TO_PAGE_POSITION: break; - case SCROLL_TO_CENTER: + case SCROLL_TO_CENTER: factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper; break; } @@ -431,18 +402,19 @@ view_set_adjustment_values (EvView *view, adjustment->lower = 0; adjustment->upper = MAX (allocation, requisition); - /* + /* * We add 0.5 to the values before to average out our rounding errors. */ switch (view->pending_scroll) { - case SCROLL_TO_KEEP_POSITION: + 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: + case SCROLL_TO_CENTER: new_value = CLAMP (adjustment->upper * factor - adjustment->page_size * 0.5 + 0.5, 0, adjustment->upper - adjustment->page_size); gtk_adjustment_set_value (adjustment, (int)new_value); @@ -455,6 +427,9 @@ view_set_adjustment_values (EvView *view, static void view_update_range_and_current_page (EvView *view) { + gint current_page; + gint best_current_page = -1; + /* Presentation trumps all other modes */ if (view->presentation) { view->start_page = view->current_page; @@ -462,13 +437,13 @@ 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)) return; - + current_area.x = view->hadjustment->value; current_area.width = view->hadjustment->upper; current_area.y = view->vadjustment->value; @@ -477,45 +452,60 @@ view_update_range_and_current_page (EvView *view) for (i = 0; i < ev_page_cache_get_n_pages (view->page_cache); i++) { get_page_extents (view, i, &page_area, &border); - + if (gdk_rectangle_intersect (¤t_area, &page_area, &unused)) { - if (! found) { + area = unused.width * unused.height; + + if (!found) { + area_max = area; view->start_page = i; found = TRUE; - + best_current_page = i; + } + if (area > area_max) { + best_current_page = (area == area_max) ? MIN (i, best_current_page) : i; + area_max = area; } + view->end_page = i; } else if (found) { break; } } - - 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, view->start_page, view->end_page, - view->scale); + view->rotation, + view->scale, + view->selection_info.selections); } static void @@ -563,32 +553,52 @@ ev_view_set_scroll_adjustments (EvView *view, static void add_scroll_binding_keypad (GtkBindingSet *binding_set, guint keyval, - GtkScrollType scroll, + GdkModifierType modifiers, + EvScrollType scroll, gboolean horizontal) { guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left; - gtk_binding_entry_add_signal (binding_set, keyval, 0, - "scroll_view", 2, - GTK_TYPE_SCROLL_TYPE, scroll, + gtk_binding_entry_add_signal (binding_set, keyval, modifiers, + "binding_activated", 2, + EV_TYPE_SCROLL_TYPE, scroll, G_TYPE_BOOLEAN, horizontal); - gtk_binding_entry_add_signal (binding_set, keypad_keyval, 0, - "scroll_view", 2, - GTK_TYPE_SCROLL_TYPE, scroll, + gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers, + "binding_activated", 2, + EV_TYPE_SCROLL_TYPE, scroll, G_TYPE_BOOLEAN, horizontal); } void ev_view_scroll (EvView *view, - EvScrollType scroll) + EvScrollType scroll, + gboolean horizontal) { GtkAdjustment *adjustment; double value, increment; gboolean first_page = FALSE; gboolean last_page = FALSE; + view->jump_to_find_result = FALSE; + + if (view->presentation || view->sizing_mode == EV_SIZING_BEST_FIT) { + switch (scroll) { + case EV_SCROLL_PAGE_BACKWARD: + case EV_SCROLL_STEP_BACKWARD: + ev_view_previous_page (view); + break; + case EV_SCROLL_PAGE_FORWARD: + case EV_SCROLL_STEP_FORWARD: + ev_view_next_page (view); + break; + default: + break; + } + return; + } + /* Assign values for increment and vertical adjustment */ - adjustment = view->vadjustment; + adjustment = horizontal ? view->hadjustment : view->vadjustment; increment = adjustment->page_size * 0.75; value = adjustment->value; @@ -606,7 +616,7 @@ ev_view_scroll (EvView *view, /* At the top of a page, assign the upper bound limit of previous page */ } else if (value == (adjustment->lower)) { value = adjustment->upper - adjustment->page_size; - ev_page_cache_set_current_page (view->page_cache, view->current_page - 1); + ev_view_previous_page (view); /* Jump to the top */ } else { value = MAX (value - increment, adjustment->lower); @@ -619,48 +629,30 @@ ev_view_scroll (EvView *view, /* At the bottom of a page, assign the lower bound limit of next page */ } else if (value == (adjustment->upper - adjustment->page_size)) { value = 0; - ev_page_cache_set_current_page (view->page_cache, view->current_page + 1); + ev_view_next_page (view); /* Jump to the bottom */ } else { value = MIN (value + increment, adjustment->upper - adjustment->page_size); } break; - default: - break; - } - - gtk_adjustment_set_value (adjustment, value); -} - -static void -ev_view_scroll_view (EvView *view, - GtkScrollType scroll, - gboolean horizontal) -{ - GtkAdjustment *adjustment; - double value; - - if (horizontal) { - adjustment = view->hadjustment; - } else { - adjustment = view->vadjustment; - } - - value = adjustment->value; - - switch (scroll) { - case GTK_SCROLL_STEP_BACKWARD: + case EV_SCROLL_STEP_BACKWARD: value -= adjustment->step_increment; break; - case GTK_SCROLL_STEP_FORWARD: + case EV_SCROLL_STEP_FORWARD: value += adjustment->step_increment; break; - default: + case EV_SCROLL_STEP_DOWN: + value -= adjustment->step_increment / 10; + break; + case EV_SCROLL_STEP_UP: + value += adjustment->step_increment / 10; + break; + default: break; } value = CLAMP (value, adjustment->lower, - adjustment->upper - adjustment->page_size); + adjustment->upper - adjustment->page_size); gtk_adjustment_set_value (adjustment, value); } @@ -674,6 +666,8 @@ ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect) GtkAdjustment *adjustment; int value; + view->pending_scroll = SCROLL_TO_FIND_LOCATION; + adjustment = view->vadjustment; if (rect->y < adjustment->value) { @@ -697,6 +691,8 @@ 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 ***/ @@ -714,28 +710,28 @@ compute_border (EvView *view, int width, int height, GtkBorder *border) } } -static void get_page_y_offset (EvView *view, - int page, - double zoom, - int *y_offset) +static void +get_page_y_offset (EvView *view, int page, double zoom, int *y_offset) { int max_width, offset; GtkBorder border; - + g_return_if_fail (y_offset != NULL); - - ev_page_cache_get_max_width (view->page_cache, zoom, &max_width); + + ev_page_cache_get_max_width (view->page_cache, view->rotation, zoom, &max_width); compute_border (view, max_width, max_width, &border); - + if (view->dual_page) { - ev_page_cache_get_height_to_page (view->page_cache, page, zoom, NULL, &offset); - offset += (page / 2 + 1) * view->spacing + (page / 2) * (border.top + border.bottom); + ev_page_cache_get_height_to_page (view->page_cache, page, + view->rotation, zoom, NULL, &offset); + offset += ((page + ev_page_cache_get_dual_even_left (view->page_cache)) / 2 + 1) * view->spacing + ((page + ev_page_cache_get_dual_even_left (view->page_cache)) / 2 ) * (border.top + border.bottom); } else { - ev_page_cache_get_height_to_page (view->page_cache, page, zoom, &offset, NULL); + ev_page_cache_get_height_to_page (view->page_cache, page, + view->rotation, zoom, &offset, NULL); offset += (page + 1) * view->spacing + page * (border.top + border.bottom); } - + *y_offset = offset; return; } @@ -753,6 +749,7 @@ get_page_extents (EvView *view, /* Get the size of the page */ ev_page_cache_get_size (view->page_cache, page, + view->rotation, view->scale, &width, &height); compute_border (view, width, height, border); @@ -766,13 +763,14 @@ get_page_extents (EvView *view, gint max_width; gint x, y; - ev_page_cache_get_max_width (view->page_cache, view->scale, &max_width); + ev_page_cache_get_max_width (view->page_cache, view->rotation, + view->scale, &max_width); max_width = max_width + border->left + border->right; /* Get the location of the bounding box */ if (view->dual_page) { - x = view->spacing + (page % 2) * (max_width + view->spacing); + 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; @@ -792,12 +790,14 @@ get_page_extents (EvView *view, GtkBorder overall_border; gint other_page; - other_page = page ^ 1; + other_page = (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? page + 1: page - 1; /* First, we get the bounding box of the two pages */ - if (other_page < ev_page_cache_get_n_pages (view->page_cache)) { + if (other_page < ev_page_cache_get_n_pages (view->page_cache) + && (0 <= other_page)) { ev_page_cache_get_size (view->page_cache, other_page, + view->rotation, view->scale, &width_2, &height_2); if (width_2 > width) @@ -812,7 +812,7 @@ 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; @@ -839,16 +839,70 @@ get_page_extents (EvView *view, return TRUE; } +static void +view_point_to_doc_point (EvView *view, + GdkPoint *view_point, + GdkRectangle *page_area, + double *doc_point_x, + double *doc_point_y) +{ + *doc_point_x = (double) (view_point->x - page_area->x) / view->scale; + *doc_point_y = (double) (view_point->y - page_area->y) / view->scale; +} + static void view_rect_to_doc_rect (EvView *view, GdkRectangle *view_rect, GdkRectangle *page_area, EvRectangle *doc_rect) { - doc_rect->x1 = floor ((view_rect->x - page_area->x) / view->scale); - doc_rect->y1 = floor ((view_rect->y - page_area->y) / view->scale); - doc_rect->x2 = doc_rect->x1 + ceil (view_rect->width / view->scale); - doc_rect->y2 = doc_rect->y1 + ceil (view_rect->height / view->scale); + doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale; + doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale; + doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale; + doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale; +} + +static 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 @@ -859,16 +913,44 @@ doc_rect_to_view_rect (EvView *view, { GdkRectangle page_area; GtkBorder border; + double x, y, w, h; int width, height; + ev_page_cache_get_size (view->page_cache, page, + view->rotation, + 1.0, + &width, &height); + + if (view->rotation == 0) { + x = doc_rect->x1; + y = doc_rect->y1; + w = doc_rect->x2 - doc_rect->x1; + h = doc_rect->y2 - doc_rect->y1; + } else if (view->rotation == 90) { + x = width - doc_rect->y2; + y = doc_rect->x1; + w = doc_rect->y2 - doc_rect->y1; + h = doc_rect->x2 - doc_rect->x1; + } else if (view->rotation == 180) { + x = width - doc_rect->x2; + y = height - doc_rect->y2; + w = doc_rect->x2 - doc_rect->x1; + h = doc_rect->y2 - doc_rect->y1; + } else if (view->rotation == 270) { + x = doc_rect->y1; + y = height - doc_rect->x2; + w = doc_rect->y2 - doc_rect->y1; + h = doc_rect->x2 - doc_rect->x1; + } else { + g_assert_not_reached (); + } + get_page_extents (view, page, &page_area, &border); - width = doc_rect->x2 - doc_rect->x1; - height = doc_rect->y2 - doc_rect->y1; - view_rect->x = floor (doc_rect->x1 * view->scale) + page_area.x; - view_rect->y = floor (doc_rect->y1 * view->scale) + page_area.y; - view_rect->width = ceil (width * view->scale); - view_rect->height = ceil (height * view->scale); + view_rect->x = x * view->scale + page_area.x; + view_rect->y = y * view->scale + page_area.y; + view_rect->width = w * view->scale; + view_rect->height = h * view->scale; } static void @@ -909,122 +991,547 @@ find_page_at_location (EvView *view, *page = -1; } +static gboolean +location_in_text (EvView *view, + gdouble x, + gdouble y) +{ + GdkRegion *region; + gint page = -1; + gint x_offset = 0, y_offset = 0; + + find_page_at_location (view, x, y, &page, &x_offset, &y_offset); + + if (page == -1) + return FALSE; + + region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page); + + if (region) + return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale); + else + 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; + + 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; + double zoom; - type = ev_link_get_link_type (link); + zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - ev_link_dest_get_left (dest), + ev_link_dest_get_bottom (dest) - ev_link_dest_get_top (dest), + ev_view_get_width (view), + ev_view_get_height (view), 0, 0); - 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; - } + ev_view_set_sizing_mode (view, EV_SIZING_FREE); + ev_view_set_zoom (view, zoom, FALSE); + + doc_point.x = ev_link_dest_get_left (dest); + doc_point.y = ev_link_dest_get_top (dest); + + view->current_page = ev_link_dest_get_page (dest); + view->pending_point = doc_point; + view->pending_scroll = SCROLL_TO_PAGE_POSITION; + + gtk_widget_queue_resize (GTK_WIDGET (view)); } -static 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; - 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; - } + doc_point.x = ev_link_dest_get_left (dest); + 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; + 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; + double zoom; - ev_page_cache_get_max_width (view->page_cache, 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; + doc_point.x = 0; + doc_point.y = ev_link_dest_get_top (dest); - requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3); - get_page_y_offset (view, n_pages, view->scale, &requisition->height); + zoom = zoom_for_size_fit_width (doc_width, ev_link_dest_get_top (dest), + ev_view_get_width (view), + ev_view_get_height (view), 0); - 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;*/ - } + ev_view_set_sizing_mode (view, EV_SIZING_FIT_WIDTH); + ev_view_set_zoom (view, zoom, FALSE); + + view->current_page = page; + view->pending_point = doc_point; + view->pending_scroll = SCROLL_TO_PAGE_POSITION; + + gtk_widget_queue_resize (GTK_WIDGET (view)); } static void -ev_view_size_request_continuous (EvView *view, - GtkRequisition *requisition) +goto_fit_dest (EvView *view, EvLinkDest *dest) { - int max_width; - int n_pages; - GtkBorder border; + 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); - ev_page_cache_get_max_width (view->page_cache, view->scale, &max_width); - n_pages = ev_page_cache_get_n_pages (view->page_cache); + zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view), + ev_view_get_height (view), 0, 0); + + ev_view_set_sizing_mode (view, EV_SIZING_BEST_FIT); + ev_view_set_zoom (view, zoom, FALSE); + + view->current_page = page; + view->pending_scroll = SCROLL_TO_PAGE_POSITION; + + gtk_widget_queue_resize (GTK_WIDGET (view)); +} + +static void +goto_xyz_dest (EvView *view, EvLinkDest *dest) +{ + EvPoint doc_point; + gint page; + double zoom; + + zoom = ev_link_dest_get_zoom (dest); + page = ev_link_dest_get_page (dest); + + if (zoom > 1) { + ev_view_set_sizing_mode (view, EV_SIZING_FREE); + ev_view_set_zoom (view, zoom, FALSE); + } + + doc_point.x = ev_link_dest_get_left (dest); + doc_point.y = ev_link_dest_get_top (dest); + + view->current_page = page; + view->pending_point = doc_point; + view->pending_scroll = SCROLL_TO_PAGE_POSITION; + + gtk_widget_queue_resize (GTK_WIDGET (view)); +} + +static void +goto_dest (EvView *view, EvLinkDest *dest) +{ + EvLinkDestType type; + int page, n_pages; + + 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; + + 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 (); + } +} + +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; + + 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; + } +} + +static gchar * +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; + 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 = page_label_from_dest (view, + ev_link_action_get_dest (action)); + 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 +handle_link_over_xy (EvView *view, gint x, gint y) +{ + EvLink *link; + + link = ev_view_get_link_at_location (view, x, y); + + 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)); + } + + if (link) { + 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); + + 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 { + 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); + } + return; +} + +/*** 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; + + + ev_page_cache_get_max_width (view->page_cache, view->rotation, + view->scale, &max_width); + n_pages = ev_page_cache_get_n_pages (view->page_cache); compute_border (view, max_width, max_width, &border); requisition->width = max_width + (view->spacing * 2) + border.left + border.right; @@ -1050,12 +1557,14 @@ ev_view_size_request_dual_page (EvView *view, /* Find the largest of the two. */ ev_page_cache_get_size (view->page_cache, view->current_page, + view->rotation, view->scale, &width, &height); if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) { gint width_2, height_2; ev_page_cache_get_size (view->page_cache, view->current_page + 1, + view->rotation, view->scale, &width_2, &height_2); if (width_2 > width) { @@ -1087,6 +1596,7 @@ ev_view_size_request_single_page (EvView *view, ev_page_cache_get_size (view->page_cache, view->current_page, + view->rotation, view->scale, &width, &height); compute_border (view, width, height, &border); @@ -1136,24 +1646,24 @@ ev_view_size_allocate (GtkWidget *widget, GtkAllocation *allocation) { EvView *view = EV_VIEW (widget); - + 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); - GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation); } @@ -1181,6 +1691,8 @@ ev_view_realize (GtkWidget *widget) GDK_SCROLL_MASK | GDK_KEY_PRESS_MASK | GDK_POINTER_MOTION_MASK | + GDK_POINTER_MOTION_HINT_MASK | + GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK; widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), @@ -1197,108 +1709,224 @@ ev_view_realize (GtkWidget *widget) 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); -} - 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); - } - } - return TRUE; + 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; } - - if ((event->state & GDK_SHIFT_MASK) != 0) { + + view->jump_to_find_result = FALSE; + /* Shift+Wheel scrolls the in the perpendicular direction */ + if (state & GDK_SHIFT_MASK) { if (event->direction == GDK_SCROLL_UP) event->direction = GDK_SCROLL_LEFT; + if (event->direction == GDK_SCROLL_LEFT) + event->direction = GDK_SCROLL_UP; if (event->direction == GDK_SCROLL_DOWN) event->direction = GDK_SCROLL_RIGHT; + if (event->direction == GDK_SCROLL_RIGHT) + event->direction = GDK_SCROLL_DOWN; + + event->state &= ~GDK_SHIFT_MASK; + state &= ~GDK_SHIFT_MASK; + } + + if (state == 0 && view->presentation) { + switch (event->direction) { + case GDK_SCROLL_DOWN: + case GDK_SCROLL_RIGHT: + ev_view_next_page (view); + break; + case GDK_SCROLL_UP: + case GDK_SCROLL_LEFT: + ev_view_previous_page (view); + break; + } + + return TRUE; } return FALSE; } +static EvViewSelection * +find_selection_for_page (EvView *view, + gint page) +{ + GList *list; + + for (list = view->selection_info.selections; list != NULL; list = list->next) { + EvViewSelection *selection; + + selection = (EvViewSelection *) list->data; + + if (selection->page == page) + return selection; + } + + return NULL; +} + +static void +draw_end_presentation_page (EvView *view, + GdkRectangle *page_area) +{ + PangoLayout *layout; + PangoFontDescription *font_desc; + gchar *markup; + const gchar *text = _("End of presentation, press Escape to exit."); + + if (view->presentation_state != EV_PRESENTATION_END) + return; + + layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), NULL); + markup = g_strdup_printf ("%s", text); + pango_layout_set_markup (layout, markup, -1); + g_free (markup); + + font_desc = pango_font_description_new (); + pango_font_description_set_size (font_desc, 16 * PANGO_SCALE); + pango_layout_set_font_description (layout, font_desc); + + gtk_paint_layout (GTK_WIDGET (view)->style, + GTK_WIDGET (view)->window, + GTK_WIDGET_STATE (view), + FALSE, + page_area, + GTK_WIDGET (view), + NULL, + page_area->x + 15, + page_area->y + 15, + layout); + + pango_font_description_free (font_desc); + g_object_unref (layout); +} + static gboolean ev_view_expose_event (GtkWidget *widget, GdkEventExpose *event) { EvView *view = EV_VIEW (widget); - GdkRectangle rubberband; - GList *l; int i; + 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; + } + } + + 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; for (i = view->start_page; i <= view->end_page; i++) { GdkRectangle page_area; GtkBorder border; + gboolean page_ready = TRUE; if (!get_page_extents (view, i, &page_area, &border)) continue; - + page_area.x -= view->scroll_x; page_area.y -= view->scroll_y; - - draw_one_page (view, i, &page_area, &border, &(event->area)); - if (EV_IS_DOCUMENT_FIND (view->document)) { - highlight_find_results (view, i); - } - } - - for (l = view->selections; l != NULL; l = l->next) { - EvViewSelection *selection = (EvViewSelection *)l->data; + draw_one_page (view, i, &page_area, &border, &(event->area), &page_ready); - doc_rect_to_view_rect (view, selection->page, - &selection->rect, &rubberband); - if (rubberband.width > 0 && rubberband.height > 0) { - draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window, - &rubberband, 0x40); - } + if (page_ready && EV_IS_DOCUMENT_FIND (view->document)) + highlight_find_results (view, i); } return FALSE; } +static gboolean +ev_view_popup_menu (GtkWidget *widget) +{ + gint x, y; + EvLink *link; + EvView *view = EV_VIEW (widget); + + gtk_widget_get_pointer (widget, &x, &y); + link = ev_view_get_link_at_location (view, x, y); + g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link); + return TRUE; +} + static gboolean ev_view_button_press_event (GtkWidget *widget, GdkEventButton *event) { EvView *view = EV_VIEW (widget); - + EvLink *link; + if (!GTK_WIDGET_HAS_FOCUS (widget)) { gtk_widget_grab_focus (widget); } - + view->pressed_button = event->button; - + view->selection_info.in_drag = FALSE; + switch (event->button) { - case 1: - if (view->selections) { - clear_selection (view); + case 1: + if (view->selection_info.selections) { + if (location_in_selected_text (view, + event->x + view->scroll_x, + event->y + view->scroll_y)) { + view->selection_info.in_drag = TRUE; + } else { + clear_selection (view); + } + gtk_widget_queue_draw (widget); } - view->selection_start.x = event->x; - view->selection_start.y = event->y; + 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 @@ -1311,32 +1939,147 @@ ev_view_button_press_event (GtkWidget *widget, ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG); return TRUE; + case 3: + link = ev_view_get_link_at_location (view, event->x, event->y); + g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link); + return TRUE; + } + + return FALSE; +} + +static void +ev_view_drag_data_get (GtkWidget *widget, + GdkDragContext *context, + GtkSelectionData *selection_data, + guint info, + guint time) +{ + EvView *view = EV_VIEW (widget); + + if (view->selection_info.selections && + ev_document_can_get_text (view->document)) { + gchar *text; + + text = get_selected_text (view); + + gtk_selection_data_set_text (selection_data, text, strlen (text)); + + g_free (text); } +} +static gboolean +selection_update_idle_cb (EvView *view) +{ + compute_selections (view, &view->selection_info.start, &view->motion); + view->selection_update_id = 0; return FALSE; } +static gboolean +selection_scroll_timeout_cb (EvView *view) +{ + gint x, y, shift = 0; + GtkWidget *widget = GTK_WIDGET (view); + + gtk_widget_get_pointer (widget, &x, &y); + + if (y > widget->allocation.height) { + shift = (y - widget->allocation.height) / 2; + } else if (y < 0) { + shift = y / 2; + } + + if (shift) + gtk_adjustment_set_value (view->vadjustment, + CLAMP (view->vadjustment->value + shift, + view->vadjustment->lower, + view->vadjustment->upper - + view->vadjustment->page_size)); + + if (x > widget->allocation.width) { + shift = (x - widget->allocation.width) / 2; + } else if (x < 0) { + shift = x / 2; + } + + if (shift) + gtk_adjustment_set_value (view->hadjustment, + CLAMP (view->hadjustment->value + shift, + view->hadjustment->lower, + view->hadjustment->upper - + view->hadjustment->page_size)); + + return TRUE; +} + static gboolean ev_view_motion_notify_event (GtkWidget *widget, GdkEventMotion *event) { EvView *view = EV_VIEW (widget); + gint x, y; + + if (!view->document) + return FALSE; + + if (event->is_hint || event->window != widget->window) { + gtk_widget_get_pointer (widget, &x, &y); + } else { + x = event->x; + y = event->y; + } + + if (view->selection_info.in_drag) { + if (gtk_drag_check_threshold (widget, + view->selection_info.start.x, + view->selection_info.start.y, + x, y)) { + GdkDragContext *context; + GtkTargetList *target_list = gtk_target_list_new (NULL, 0); - if (view->pressed_button == 1) { - GdkRectangle selection; + gtk_target_list_add_text_targets (target_list, 0); - selection.x = MIN (view->selection_start.x, event->x) + view->scroll_x; - selection.y = MIN (view->selection_start.y, event->y) + view->scroll_y; - selection.width = ABS (view->selection_start.x - event->x) + 1; - selection.height = ABS (view->selection_start.y - event->y) + 1; + context = gtk_drag_begin (widget, target_list, + GDK_ACTION_COPY, + 1, (GdkEvent *)event); - compute_selections (view, &selection); + view->selection_info.in_drag = FALSE; - gtk_widget_queue_draw (widget); + gtk_target_list_unref (target_list); + + return TRUE; + } + } + + /* For the Evince 0.4.x release, we limit selection to un-rotated + * documents only. + */ + if (view->pressed_button == 1 && view->rotation == 0) { + + /* Schedule timeout to scroll during selection and additionally + * scroll once to allow arbitrary speed. */ + if (!view->selection_scroll_id) + view->selection_scroll_id = g_timeout_add (SCROLL_TIME, (GSourceFunc)selection_scroll_timeout_cb, view); + else + selection_scroll_timeout_cb (view); + + view->selection_info.in_selection = TRUE; + view->motion.x = x + view->scroll_x; + view->motion.y = y + view->scroll_y; + + /* Queue an idle to handle the motion. We do this because + * handling any selection events in the motion could be slower + * than new motion events reach us. We always put it in the + * idle to make sure we catch up and don't visibly lag the + * mouse. */ + if (!view->selection_update_id) + view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view); return TRUE; } else if (view->pressed_button == 2) { - if (!view->drag_info.dragging) { + if (!view->drag_info.in_drag) { gboolean start; start = gtk_drag_check_threshold (widget, @@ -1344,10 +2087,10 @@ ev_view_motion_notify_event (GtkWidget *widget, view->drag_info.start.y, event->x_root, event->y_root); - view->drag_info.dragging = start; + view->drag_info.in_drag = start; } - if (view->drag_info.dragging) { + if (view->drag_info.in_drag) { int dx, dy; gdouble dhadj_value, dvadj_value; @@ -1371,23 +2114,8 @@ ev_view_motion_notify_event (GtkWidget *widget, return TRUE; } - } else if (view->pressed_button <= 0 && view->document) { - EvLink *link; - - link = get_link_at_location (view, event->x + view->scroll_x, event->y + view->scroll_y); - if (link) { - char *msg; - - msg = status_message_from_link (view, link); - ev_view_set_status (view, msg); - ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK); - g_free (msg); - } else { - ev_view_set_status (view, NULL); - if (view->cursor == EV_VIEW_CURSOR_LINK) { - ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL); - } - } + } else if (view->pressed_button <= 0) { + handle_link_over_xy (view, x, y); return TRUE; } @@ -1399,28 +2127,170 @@ ev_view_button_release_event (GtkWidget *widget, GdkEventButton *event) { EvView *view = EV_VIEW (widget); + EvLink *link; if (view->pressed_button == 2) { ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL); } + if (view->document && view->pressed_button == 1) { + link = ev_view_get_link_at_location (view, event->x, event->y); + } else { + link = NULL; + } + view->pressed_button = -1; - view->drag_info.dragging = FALSE; + view->drag_info.in_drag = FALSE; - if (view->selections) { - ev_view_update_primary_selection (view); - } else if (view->document) { - EvLink *link; + 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; + } - link = get_link_at_location (view, event->x + view->scroll_x, event->y + view->scroll_y); - if (link) { - go_to_link (view, link); + if (view->selection_info.selections) { + 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) { + ev_view_handle_link (view, link); + } else if (view->presentation) { + switch (event->button) { + case 1: + ev_view_next_page (view); + return TRUE; + case 3: + ev_view_previous_page (view); + return TRUE; } } + + return FALSE; +} + +static gboolean +ev_view_key_press_event (GtkWidget *widget, + GdkEventKey *event) +{ + EvView *view = EV_VIEW (widget); + EvPresentationState current; + + if (!view->presentation || + view->presentation_state == EV_PRESENTATION_END) + return FALSE; + + current = view->presentation_state; + + switch (event->keyval) { + case GDK_b: + case GDK_B: + view->presentation_state = + (view->presentation_state == EV_PRESENTATION_BLACK) ? + EV_PRESENTATION_NORMAL : EV_PRESENTATION_BLACK; + break; + case GDK_w: + case GDK_W: + view->presentation_state = + (view->presentation_state == EV_PRESENTATION_WHITE) ? + EV_PRESENTATION_NORMAL : EV_PRESENTATION_WHITE; + break; + default: + if (view->presentation_state == EV_PRESENTATION_BLACK || + view->presentation_state == EV_PRESENTATION_WHITE) { + view->presentation_state = EV_PRESENTATION_NORMAL; + } + } + + if (current == view->presentation_state) + return FALSE; + + switch (view->presentation_state) { + case EV_PRESENTATION_NORMAL: + case EV_PRESENTATION_BLACK: + gdk_window_set_background (widget->window, + &widget->style->black); + break; + case EV_PRESENTATION_WHITE: + gdk_window_set_background (widget->window, + &widget->style->white); + break; + default: + return FALSE; + } + + gtk_widget_queue_draw (widget); + return TRUE; +} + +static gint +ev_view_focus_in (GtkWidget *widget, + GdkEventFocus *event) +{ + if (EV_VIEW (widget)->pixbuf_cache) + ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache); + gtk_widget_queue_draw (widget); return FALSE; } +static gint +ev_view_focus_out (GtkWidget *widget, + GdkEventFocus *event) +{ + if (EV_VIEW (widget)->pixbuf_cache) + ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache); + gtk_widget_queue_draw (widget); + + return FALSE; +} + +static gboolean +ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event) +{ + EvView *view = EV_VIEW (widget); + + 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); + + if (view->link_tooltip) { + view->hovered_link = NULL; + ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip)); + } + + return FALSE; +} + +static gboolean +ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event) +{ + EvView *view = EV_VIEW (widget); + + handle_link_over_xy (view, event->x, event->y); + + return FALSE; +} + +static void +ev_view_style_set (GtkWidget *widget, + GtkStyle *old_style) +{ + if (EV_VIEW (widget)->pixbuf_cache) + ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache); + + GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style); +} + /*** Drawing ***/ static guint32 @@ -1441,7 +2311,7 @@ draw_rubberband (GtkWidget *widget, GdkWindow *window, GdkPixbuf *pixbuf; GdkColor *fill_color_gdk; guint fill_color; - + fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]); fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha; @@ -1487,14 +2357,13 @@ highlight_find_results (EvView *view, int page) GdkRectangle view_rectangle; guchar alpha; - if (i == view->find_result && page == view->find_page) { + if (i == view->find_result && page == view->current_page) { alpha = 0x90; } else { alpha = 0x20; } - ev_document_find_get_result (find, page, - i, &rectangle); + ev_document_find_get_result (find, page, i, &rectangle); doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle); draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window, &view_rectangle, alpha); @@ -1502,24 +2371,81 @@ highlight_find_results (EvView *view, int page) } 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) +{ + PangoLayout *layout; + PangoFontDescription *font_desc; + PangoRectangle logical_rect; + double real_scale; + int target_width; + + /* Don't annoy users with loading messages during presentations. + * FIXME: Temporary "workaround" for + * http://bugzilla.gnome.org/show_bug.cgi?id=320352 */ + if (view->presentation) + return; + + const char *loading_text = _("Loading..."); + + 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); + + /* Make sure we fit the middle of the page */ + 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); + + gtk_paint_layout (GTK_WIDGET (view)->style, + GTK_WIDGET (view)->window, + GTK_WIDGET_STATE (view), + FALSE, + page_area, + GTK_WIDGET (view), + NULL, + page_area->x + (target_width/2), + page_area->y + (page_area->height - logical_rect.height) / 2, + layout); + + pango_font_description_free (font_desc); + g_object_unref (layout); +} + +static void +draw_one_page (EvView *view, + gint page, + GdkRectangle *page_area, + GtkBorder *border, + GdkRectangle *expose_area, + gboolean *page_ready) { gint width, height; - GdkPixbuf *scaled_image; GdkPixbuf *current_pixbuf; GdkRectangle overlap; GdkRectangle real_page_area; + EvViewSelection *selection; + gint current_page; g_assert (view->document); + if (! gdk_rectangle_intersect (page_area, expose_area, &overlap)) return; - + + current_page = ev_page_cache_get_current_page (view->page_cache); + selection = find_selection_for_page (view, page); ev_page_cache_get_size (view->page_cache, - page, view->scale, + page, view->rotation, + view->scale, &width, &height); /* Render the document itself */ real_page_area = *page_area; @@ -1528,14 +2454,27 @@ 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); + 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; + current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page); + /* 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) && @@ -1548,6 +2487,18 @@ draw_one_page (EvView *view, 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], @@ -1559,6 +2510,24 @@ draw_one_page (EvView *view, GDK_RGB_DITHER_NORMAL, 0, 0); g_object_unref (scaled_image); + } else { + draw_loading_text (view, + &real_page_area, + expose_area); + *page_ready = FALSE; + } + + 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); } } } @@ -1589,10 +2558,27 @@ 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; } + + if (view->link_tooltip) { + gtk_widget_destroy (view->link_tooltip); + view->link_tooltip = 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; + } + ev_view_set_scroll_adjustments (view, NULL, NULL); GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object); @@ -1606,31 +2592,64 @@ 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, @@ -1639,34 +2658,40 @@ 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_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; + 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); } } @@ -1686,17 +2711,25 @@ ev_view_class_init (EvViewClass *class) widget_class->button_press_event = ev_view_button_press_event; widget_class->motion_notify_event = ev_view_motion_notify_event; widget_class->button_release_event = ev_view_button_release_event; + widget_class->key_press_event = ev_view_key_press_event; + widget_class->focus_in_event = ev_view_focus_in; + widget_class->focus_out_event = ev_view_focus_out; + widget_class->get_accessible = ev_view_get_accessible; widget_class->size_request = ev_view_size_request; widget_class->size_allocate = ev_view_size_allocate; widget_class->realize = ev_view_realize; - widget_class->unrealize = ev_view_unrealize; widget_class->scroll_event = ev_view_scroll_event; + widget_class->enter_notify_event = ev_view_enter_notify_event; + widget_class->leave_notify_event = ev_view_leave_notify_event; + widget_class->style_set = ev_view_style_set; + widget_class->drag_data_get = ev_view_drag_data_get; + widget_class->popup_menu = ev_view_popup_menu; gtk_object_class->destroy = ev_view_destroy; class->set_scroll_adjustments = ev_view_set_scroll_adjustments; - class->scroll_view = ev_view_scroll_view; + class->binding_activated = ev_view_scroll; - widget_class->set_scroll_adjustments_signal = + 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, @@ -1707,10 +2740,10 @@ ev_view_class_init (EvViewClass *class) GTK_TYPE_ADJUSTMENT, GTK_TYPE_ADJUSTMENT); - signals[SIGNAL_SCROLL_VIEW] = g_signal_new ("scroll-view", + signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated", G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, - G_STRUCT_OFFSET (EvViewClass, scroll_view), + G_STRUCT_OFFSET (EvViewClass, binding_activated), NULL, NULL, ev_marshal_VOID__ENUM_BOOLEAN, G_TYPE_NONE, 2, @@ -1724,6 +2757,22 @@ ev_view_class_init (EvViewClass *class) NULL, NULL, ev_marshal_VOID__VOID, G_TYPE_NONE, 0, G_TYPE_NONE); + 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, @@ -1785,17 +2834,37 @@ ev_view_class_init (EvViewClass *class) g_param_spec_double ("zoom", "Zoom factor", "Zoom factor", - MIN_SCALE, + MIN_SCALE, MAX_SCALE, 1.0, G_PARAM_READWRITE)); + g_object_class_install_property (object_class, + PROP_ROTATION, + g_param_spec_double ("rotation", + "Rotation", + "Rotation", + 0, + 360, + 0, + G_PARAM_READWRITE)); + g_object_class_install_property (object_class, + PROP_HAS_SELECTION, + g_param_spec_boolean ("has-selection", + "Has selection", + "The view has selections", + FALSE, + G_PARAM_READABLE)); binding_set = gtk_binding_set_by_class (class); - add_scroll_binding_keypad (binding_set, GDK_Left, GTK_SCROLL_STEP_BACKWARD, TRUE); - add_scroll_binding_keypad (binding_set, GDK_Right, GTK_SCROLL_STEP_FORWARD, TRUE); - add_scroll_binding_keypad (binding_set, GDK_Up, GTK_SCROLL_STEP_BACKWARD, FALSE); - add_scroll_binding_keypad (binding_set, GDK_Down, GTK_SCROLL_STEP_FORWARD, FALSE); + add_scroll_binding_keypad (binding_set, GDK_Left, 0, EV_SCROLL_STEP_BACKWARD, TRUE); + add_scroll_binding_keypad (binding_set, GDK_Right, 0, EV_SCROLL_STEP_FORWARD, TRUE); + add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, TRUE); + add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, TRUE); + add_scroll_binding_keypad (binding_set, GDK_Up, 0, EV_SCROLL_STEP_BACKWARD, FALSE); + add_scroll_binding_keypad (binding_set, GDK_Down, 0, EV_SCROLL_STEP_FORWARD, FALSE); + add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, FALSE); + add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, FALSE); } static void @@ -1808,14 +2877,19 @@ ev_view_init (EvView *view) view->current_page = 0; view->pressed_button = -1; view->cursor = EV_VIEW_CURSOR_NORMAL; - view->drag_info.dragging = FALSE; - + view->drag_info.in_drag = FALSE; + view->selection_info.selections = NULL; + view->selection_info.in_selection = FALSE; + view->selection_info.in_drag = FALSE; + view->selection_mode = EV_VIEW_SELECTION_TEXT; view->continuous = TRUE; view->dual_page = FALSE; view->presentation = FALSE; + view->presentation_state = EV_PRESENTATION_NORMAL; view->fullscreen = FALSE; view->sizing_mode = EV_SIZING_FIT_WIDTH; view->pending_scroll = SCROLL_TO_KEEP_POSITION; + view->jump_to_find_result = TRUE; } /*** Callbacks ***/ @@ -1823,10 +2897,18 @@ ev_view_init (EvView *view) static void find_changed_cb (EvDocument *document, int page, EvView *view) { - jump_to_find_page (view); - jump_to_find_result (view); - update_find_status_message (view); + double percent; + int n_pages; + percent = ev_document_find_get_progress + (EV_DOCUMENT_FIND (view->document)); + n_pages = ev_page_cache_get_n_pages (view->page_cache); + + if (view->jump_to_find_result == TRUE) { + jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0); + jump_to_find_result (view); + } + update_find_status_message (view, percent * n_pages >= n_pages - 1 ); if (view->current_page == page) gtk_widget_queue_draw (GTK_WIDGET (view)); } @@ -1844,16 +2926,16 @@ page_changed_cb (EvPageCache *page_cache, EvView *view) { if (view->current_page != new_page) { - view->current_page = new_page; - view->pending_scroll = SCROLL_TO_CURRENT_PAGE; + view->pending_scroll = SCROLL_TO_PAGE_POSITION; gtk_widget_queue_resize (GTK_WIDGET (view)); + } else { + gtk_widget_queue_draw (GTK_WIDGET (view)); + } - if (EV_IS_DOCUMENT_FIND (view->document)) { - view->find_page = new_page; - view->find_result = 0; - update_find_status_message (view); - } + if (EV_IS_DOCUMENT_FIND (view->document)) { + view->find_result = 0; + update_find_status_message (view, TRUE); } } @@ -1878,16 +2960,17 @@ static void on_adjustment_value_changed (GtkAdjustment *adjustment, } else { view->scroll_y = 0; } - - - if (view->pending_resize) + + + if (view->pending_resize) gtk_widget_queue_draw (GTK_WIDGET (view)); else gdk_window_scroll (GTK_WIDGET (view)->window, dx, dy); if (view->document) - view_update_range_and_current_page (view);} + view_update_range_and_current_page (view); +} GtkWidget* ev_view_new (void) @@ -1899,13 +2982,47 @@ ev_view_new (void) return view; } +static void +setup_caches (EvView *view) +{ + view->page_cache = ev_page_cache_get (view->document); + g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view); + view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document); + g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view); +} + +static void +clear_caches (EvView *view) +{ + if (view->pixbuf_cache) { + g_object_unref (view->pixbuf_cache); + view->pixbuf_cache = NULL; + } + + if (view->page_cache) { + view->page_cache = NULL; + } +} + +void +ev_view_set_loading (EvView *view, + gboolean loading) +{ + view->loading = loading; + gtk_widget_queue_draw (GTK_WIDGET (view)); +} + void ev_view_set_document (EvView *view, EvDocument *document) { g_return_if_fail (EV_IS_VIEW (view)); + view->loading = FALSE; + if (document != view->document) { + clear_caches (view); + if (view->document) { g_signal_handlers_disconnect_by_func (view->document, find_changed_cb, @@ -1915,13 +3032,7 @@ ev_view_set_document (EvView *view, } - if (view->pixbuf_cache) { - g_object_unref (view->pixbuf_cache); - view->pixbuf_cache = NULL; - } - view->document = document; - view->find_page = 0; view->find_result = 0; if (view->document) { @@ -1932,10 +3043,8 @@ ev_view_set_document (EvView *view, G_CALLBACK (find_changed_cb), view); } - view->page_cache = ev_document_get_page_cache (view->document); - g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view); - view->pixbuf_cache = ev_pixbuf_cache_new (view->document); - g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view); + + setup_caches (view); } gtk_widget_queue_resize (GTK_WIDGET (view)); @@ -1964,7 +3073,7 @@ ev_view_set_zoom (EvView *view, view->scale = scale; view->pending_resize = TRUE; - + gtk_widget_queue_resize (GTK_WIDGET (view)); g_object_notify (G_OBJECT (view), "zoom"); @@ -1976,6 +3085,14 @@ ev_view_get_zoom (EvView *view) return view->scale; } +gboolean +ev_view_get_continuous (EvView *view) +{ + g_return_val_if_fail (EV_IS_VIEW (view), FALSE); + + return view->continuous; +} + void ev_view_set_continuous (EvView *view, gboolean continuous) @@ -1986,13 +3103,21 @@ ev_view_set_continuous (EvView *view, if (view->continuous != continuous) { view->continuous = continuous; - view->pending_scroll = SCROLL_TO_CURRENT_PAGE; + view->pending_scroll = SCROLL_TO_PAGE_POSITION; gtk_widget_queue_resize (GTK_WIDGET (view)); } g_object_notify (G_OBJECT (view), "continuous"); } +gboolean +ev_view_get_dual_page (EvView *view) +{ + g_return_val_if_fail (EV_IS_VIEW (view), FALSE); + + return view->dual_page; +} + void ev_view_set_dual_page (EvView *view, gboolean dual_page) @@ -2003,8 +3128,8 @@ ev_view_set_dual_page (EvView *view, if (view->dual_page == dual_page) return; - - view->pending_scroll = SCROLL_TO_CURRENT_PAGE; + + view->pending_scroll = SCROLL_TO_PAGE_POSITION; view->dual_page = dual_page; /* FIXME: if we're keeping the pixbuf cache around, we should extend the * preload_cache_size to be 2 if dual_page is set. @@ -2022,11 +3147,12 @@ ev_view_set_fullscreen (EvView *view, fullscreen = fullscreen != FALSE; - if (view->fullscreen != fullscreen) { - view->fullscreen = fullscreen; - gtk_widget_queue_resize (GTK_WIDGET (view)); - } - + if (view->fullscreen == fullscreen) + return; + + view->fullscreen = fullscreen; + gtk_widget_queue_resize (GTK_WIDGET (view)); + g_object_notify (G_OBJECT (view), "fullscreen"); } @@ -2049,8 +3175,13 @@ ev_view_set_presentation (EvView *view, if (view->presentation == presentation) return; + if (!presentation) + view->presentation_state = EV_PRESENTATION_NORMAL; + view->presentation = presentation; + view->pending_scroll = SCROLL_TO_PAGE_POSITION; gtk_widget_queue_resize (GTK_WIDGET (view)); + if (GTK_WIDGET_REALIZED (view)) { if (view->presentation) gdk_window_set_background (GTK_WIDGET(view)->window, @@ -2060,7 +3191,6 @@ ev_view_set_presentation (EvView *view, >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]); } - g_object_notify (G_OBJECT (view), "presentation"); } @@ -2083,7 +3213,7 @@ ev_view_set_sizing_mode (EvView *view, view->sizing_mode = sizing_mode; gtk_widget_queue_resize (GTK_WIDGET (view)); - + g_object_notify (G_OBJECT (view), "sizing-mode"); } @@ -2111,7 +3241,7 @@ void ev_view_zoom_in (EvView *view) { g_return_if_fail (view->sizing_mode == EV_SIZING_FREE); - + view->pending_scroll = SCROLL_TO_CENTER; ev_view_set_zoom (view, ZOOM_IN_FACTOR, TRUE); } @@ -2125,6 +3255,52 @@ ev_view_zoom_out (EvView *view) ev_view_set_zoom (view, ZOOM_OUT_FACTOR, TRUE); } +void +ev_view_rotate_right (EvView *view) +{ + int rotation = view->rotation + 90; + + if (rotation >= 360) { + rotation -= 360; + } + + ev_view_set_rotation (view, rotation); +} + +void +ev_view_rotate_left (EvView *view) +{ + int rotation = view->rotation - 90; + + if (rotation < 0) { + rotation += 360; + } + + ev_view_set_rotation (view, rotation); +} + +void +ev_view_set_rotation (EvView *view, int rotation) +{ + view->rotation = rotation; + + if (view->pixbuf_cache) { + ev_pixbuf_cache_clear (view->pixbuf_cache); + gtk_widget_queue_resize (GTK_WIDGET (view)); + } + + if (rotation != 0) + clear_selection (view); + + g_object_notify (G_OBJECT (view), "rotation"); +} + +int +ev_view_get_rotation (EvView *view) +{ + return view->rotation; +} + static double zoom_for_size_fit_width (int doc_width, int doc_height, @@ -2142,6 +3318,23 @@ 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, @@ -2175,6 +3368,7 @@ ev_view_zoom_for_size_presentation (EvView *view, ev_page_cache_get_size (view->page_cache, view->current_page, + view->rotation, 1.0, &doc_width, &doc_height); @@ -2194,9 +3388,11 @@ ev_view_zoom_for_size_continuous_and_dual_page (EvView *view, gdouble scale; ev_page_cache_get_max_width (view->page_cache, + view->rotation, 1.0, &doc_width); ev_page_cache_get_max_height (view->page_cache, + view->rotation, 1.0, &doc_height); compute_border (view, doc_width, doc_height, &border); @@ -2230,9 +3426,11 @@ ev_view_zoom_for_size_continuous (EvView *view, gdouble scale; ev_page_cache_get_max_width (view->page_cache, + view->rotation, 1.0, &doc_width); ev_page_cache_get_max_height (view->page_cache, + view->rotation, 1.0, &doc_height); compute_border (view, doc_width, doc_height, &border); @@ -2270,6 +3468,7 @@ ev_view_zoom_for_size_dual_page (EvView *view, /* Find the largest of the two. */ ev_page_cache_get_size (view->page_cache, view->current_page, + view->rotation, 1.0, &doc_width, &doc_height); @@ -2277,6 +3476,7 @@ ev_view_zoom_for_size_dual_page (EvView *view, gint width_2, height_2; ev_page_cache_get_size (view->page_cache, other_page, + view->rotation, 1.0, &width_2, &height_2); if (width_2 > doc_width) @@ -2313,6 +3513,7 @@ ev_view_zoom_for_size_single_page (EvView *view, ev_page_cache_get_size (view->page_cache, view->current_page, + view->rotation, 1.0, &doc_width, &doc_height); @@ -2338,7 +3539,7 @@ ev_view_set_zoom_for_size (EvView *view, int height, int vsb_width, int hsb_height) -{ +{ g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH || view->sizing_mode == EV_SIZING_BEST_FIT); g_return_if_fail (width >= 0); @@ -2382,11 +3583,11 @@ ev_view_set_status (EvView *view, const char *message) } static void -update_find_status_message (EvView *view) +update_find_status_message (EvView *view, gboolean this_page) { char *message; - if (view->current_page == view->find_page) { + if (this_page) { int results; results = ev_document_find_get_n_results @@ -2404,15 +3605,12 @@ update_find_status_message (EvView *view) 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)); - } - + 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 * @@ -2442,11 +3640,11 @@ jump_to_find_result (EvView *view) EvRectangle rect; GdkRectangle view_rect; int n_results; - int page = view->find_page; + int page = view->current_page; n_results = ev_document_find_get_n_results (find, page); - if (n_results > view->find_result) { + if (n_results > 0 && view->find_result < n_results) { ev_document_find_get_result (find, page, view->find_result, &rect); @@ -2455,8 +3653,18 @@ jump_to_find_result (EvView *view) } } +/** + * jump_to_find_page + * @view: #EvView instance + * @direction: Direction to look + * @shift: Shift from current page + * + * Jumps to the first page that has occurences of searched word. + * Uses a direction where to look and a shift from current page. + * + */ static void -jump_to_find_page (EvView *view) +jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift) { int n_pages, i; @@ -2465,20 +3673,25 @@ jump_to_find_page (EvView *view) for (i = 0; i < n_pages; i++) { int has_results; int page; - - page = i + view->find_page; + + if (direction == EV_VIEW_FIND_NEXT) + page = view->current_page + i; + else + page = view->current_page - i; + page += shift; + if (page >= n_pages) { page = page - n_pages; } - + if (page < 0) + page = page + n_pages; + has_results = ev_document_find_page_has_results (EV_DOCUMENT_FIND (view->document), page); if (has_results == -1) { - view->find_page = page; break; } else if (has_results == 1) { ev_page_cache_set_current_page (view->page_cache, page); - jump_to_find_result (view); break; } } @@ -2487,46 +3700,61 @@ jump_to_find_page (EvView *view) gboolean ev_view_can_find_next (EvView *view) { - int n_results = 0; - if (EV_IS_DOCUMENT_FIND (view->document)) { EvDocumentFind *find = EV_DOCUMENT_FIND (view->document); + int i, n_pages; - n_results = ev_document_find_get_n_results (find, view->current_page); + n_pages = ev_page_cache_get_n_pages (view->page_cache); + for (i = 0; i < n_pages; i++) { + if (ev_document_find_get_n_results (find, i) > 0) { + return TRUE; + } + } } - return n_results > 0; + return FALSE; } void ev_view_find_next (EvView *view) { - EvPageCache *page_cache; int n_results, n_pages; EvDocumentFind *find = EV_DOCUMENT_FIND (view->document); - page_cache = ev_document_get_page_cache (view->document); n_results = ev_document_find_get_n_results (find, view->current_page); - n_pages = ev_page_cache_get_n_pages (page_cache); + n_pages = ev_page_cache_get_n_pages (view->page_cache); view->find_result++; if (view->find_result >= n_results) { - view->find_result = 0; - view->find_page++; - - if (view->find_page >= n_pages) { - view->find_page = 0; - } - jump_to_find_page (view); + view->find_result = 0; + jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1); + jump_to_find_result (view); } else { jump_to_find_result (view); gtk_widget_queue_draw (GTK_WIDGET (view)); } } +gboolean +ev_view_can_find_previous (EvView *view) +{ + if (EV_IS_DOCUMENT_FIND (view->document)) { + EvDocumentFind *find = EV_DOCUMENT_FIND (view->document); + int i, n_pages; + + n_pages = ev_page_cache_get_n_pages (view->page_cache); + for (i = n_pages - 1; i >= 0; i--) { + if (ev_document_find_get_n_results (find, i) > 0) { + return TRUE; + } + } + } + + return FALSE; +} void ev_view_find_previous (EvView *view) { @@ -2534,7 +3762,7 @@ ev_view_find_previous (EvView *view) EvDocumentFind *find = EV_DOCUMENT_FIND (view->document); EvPageCache *page_cache; - page_cache = ev_document_get_page_cache (view->document); + page_cache = ev_page_cache_get (view->document); n_results = ev_document_find_get_n_results (find, view->current_page); @@ -2543,38 +3771,53 @@ ev_view_find_previous (EvView *view) view->find_result--; if (view->find_result < 0) { - view->find_result = 0; - view->find_page--; - - if (view->find_page < 0) { - view->find_page = n_pages - 1; - } - jump_to_find_page (view); + jump_to_find_page (view, EV_VIEW_FIND_PREV, -1); + view->find_result = ev_document_find_get_n_results (find, view->current_page) - 1; + jump_to_find_result (view); } else { jump_to_find_result (view); gtk_widget_queue_draw (GTK_WIDGET (view)); } } +void ev_view_search_changed (EvView *view) +{ + /* search string has changed, focus on new search result */ + view->jump_to_find_result = TRUE; +} + /*** Selections ***/ -static void -compute_selections (EvView *view, GdkRectangle *view_rect) +/* compute_new_selection_rect/text calculates the area currently selected by + * view_rect. each handles a different mode; + */ +static GList * +compute_new_selection_rect (EvView *view, + GdkPoint *start, + GdkPoint *stop) { + GdkRectangle view_rect; int n_pages, i; + GList *list = NULL; - clear_selection (view); + g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE); + + view_rect.x = MIN (start->x, stop->x); + view_rect.y = MIN (start->y, stop->y); + view_rect.width = MAX (start->x, stop->x) - view_rect.x; + view_rect.width = MAX (start->y, stop->y) - view_rect.y; n_pages = ev_page_cache_get_n_pages (view->page_cache); + for (i = 0; i < n_pages; i++) { GdkRectangle page_area; GtkBorder border; - + if (get_page_extents (view, i, &page_area, &border)) { GdkRectangle overlap; - if (gdk_rectangle_intersect (&page_area, view_rect, &overlap)) { + if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) { EvViewSelection *selection; selection = g_new0 (EvViewSelection, 1); @@ -2582,18 +3825,264 @@ compute_selections (EvView *view, GdkRectangle *view_rect) view_rect_to_doc_rect (view, &overlap, &page_area, &(selection->rect)); - view->selections = g_list_append - (view->selections, selection); + list = g_list_append (list, selection); + } + } + } + + return list; +} + +static gboolean +gdk_rectangle_point_in (GdkRectangle *rectangle, + GdkPoint *point) +{ + return rectangle->x <= point->x && + rectangle->y <= point->y && + point->x < rectangle->x + rectangle->width && + point->y < rectangle->y + rectangle->height; +} + +static GList * +compute_new_selection_text (EvView *view, + GdkPoint *start, + GdkPoint *stop) +{ + int n_pages, i, first, last; + GList *list = NULL; + EvViewSelection *selection; + gint width, height; + int start_page, end_page; + + g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT); + + n_pages = ev_page_cache_get_n_pages (view->page_cache); + + /* First figure out the range of pages the selection + * affects. */ + first = n_pages; + last = 0; + if (view->continuous) { + start_page = 0; + end_page = n_pages; + } else if (view->dual_page) { + start_page = view->start_page; + end_page = view->end_page + 1; + } else { + start_page = view->current_page; + end_page = view->current_page + 1; + } + + for (i = start_page; i < end_page; i++) { + GdkRectangle page_area; + GtkBorder border; + + get_page_extents (view, i, &page_area, &border); + if (gdk_rectangle_point_in (&page_area, start) || + gdk_rectangle_point_in (&page_area, stop)) { + if (first == n_pages) + first = i; + last = i; + } + + } + + + + /* Now create a list of EvViewSelection's for the affected + * pages. This could be an empty list, a list of just one + * page or a number of pages.*/ + for (i = first; i < last + 1; i++) { + GdkRectangle page_area; + GtkBorder border; + GdkPoint *point; + + ev_page_cache_get_size (view->page_cache, i, + view->rotation, + 1.0, &width, &height); + + selection = g_new0 (EvViewSelection, 1); + selection->page = i; + selection->rect.x1 = selection->rect.y1 = 0; + selection->rect.x2 = width; + selection->rect.y2 = height; + + get_page_extents (view, i, &page_area, &border); + + if (gdk_rectangle_point_in (&page_area, start)) + point = start; + else + point = stop; + + if (i == first) + view_point_to_doc_point (view, point, &page_area, + &selection->rect.x1, + &selection->rect.y1); + + /* If the selection is contained within just one page, + * make sure we don't write 'start' into both points + * in selection->rect. */ + if (first == last) + point = stop; + + if (i == last) + view_point_to_doc_point (view, point, &page_area, + &selection->rect.x2, + &selection->rect.y2); + + list = g_list_append (list, selection); + } + + return list; +} + +/* This function takes the newly calculated list, and figures out which regions + * have changed. It then queues a redraw approporiately. + */ +static void +merge_selection_region (EvView *view, + GList *new_list) +{ + GList *old_list; + GList *new_list_ptr, *old_list_ptr; + + /* Update the selection */ + old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache); + g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL); + view->selection_info.selections = new_list; + ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list); + g_object_notify (G_OBJECT (view), "has-selection"); + + new_list_ptr = new_list; + old_list_ptr = old_list; + + while (new_list_ptr || old_list_ptr) { + EvViewSelection *old_sel, *new_sel; + int cur_page; + GdkRegion *region = NULL; + + new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL; + old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL; + + /* Assume that the lists are in order, and we run through them + * comparing them, one page at a time. We come out with the + * first page we see. */ + if (new_sel && old_sel) { + if (new_sel->page < old_sel->page) { + new_list_ptr = new_list_ptr->next; + old_sel = NULL; + } else if (new_sel->page > old_sel->page) { + old_list_ptr = old_list_ptr->next; + new_sel = NULL; + } else { + new_list_ptr = new_list_ptr->next; + old_list_ptr = old_list_ptr->next; + } + } else if (new_sel) { + new_list_ptr = new_list_ptr->next; + } else if (old_sel) { + old_list_ptr = old_list_ptr->next; + } + + g_assert (new_sel || old_sel); + + /* is the page we're looking at on the screen?*/ + cur_page = new_sel ? new_sel->page : old_sel->page; + if (cur_page < view->start_page || cur_page > view->end_page) + continue; + + /* seed the cache with a new page. We are going to need the new + * region too. */ + if (new_sel) { + GdkRegion *tmp_region = NULL; + ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache, + cur_page, + view->scale, + &tmp_region); + if (tmp_region) { + new_sel->covered_region = gdk_region_copy (tmp_region); + } + } + + /* Now we figure out what needs redrawing */ + if (old_sel && new_sel) { + if (old_sel->covered_region && + new_sel->covered_region) { + /* We only want to redraw the areas that have + * changed, so we xor the old and new regions + * and redraw if it's different */ + region = gdk_region_copy (old_sel->covered_region); + gdk_region_xor (region, new_sel->covered_region); + if (gdk_region_empty (region)) { + gdk_region_destroy (region); + region = NULL; + } + } else if (old_sel->covered_region) { + region = gdk_region_copy (old_sel->covered_region); + } else if (new_sel->covered_region) { + region = gdk_region_copy (new_sel->covered_region); + } + } else if (old_sel && !new_sel) { + if (old_sel->covered_region && !gdk_region_empty (old_sel->covered_region)) { + region = gdk_region_copy (old_sel->covered_region); } + } else if (!old_sel && new_sel) { + if (new_sel->covered_region && !gdk_region_empty (new_sel->covered_region)) { + region = gdk_region_copy (new_sel->covered_region); + } + } else { + g_assert_not_reached (); + } + + /* Redraw the damaged region! */ + if (region) { + GdkRectangle page_area; + GtkBorder border; + + 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_region_destroy (region); } } + + /* Free the old list, now that we're done with it. */ + g_list_foreach (old_list, (GFunc) selection_free, NULL); +} + +static void +compute_selections (EvView *view, + GdkPoint *start, + GdkPoint *stop) +{ + GList *list; + + if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE) + list = compute_new_selection_rect (view, start, stop); + else + list = compute_new_selection_text (view, start, stop); + merge_selection_region (view, list); +} + +/* Free's the selection. It's up to the caller to queue redraws if needed. + */ +static void +selection_free (EvViewSelection *selection) +{ + if (selection->covered_region) + gdk_region_destroy (selection->covered_region); + g_free (selection); } static void clear_selection (EvView *view) { - g_list_foreach (view->selections, (GFunc)g_free, NULL); - view->selections = NULL; + g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL); + view->selection_info.selections = NULL; + view->selection_info.in_selection = FALSE; + g_object_notify (G_OBJECT (view), "has-selection"); } @@ -2602,6 +4091,10 @@ ev_view_select_all (EvView *view) { int n_pages, i; + /* Disable selection on rotated pages for the 0.4.0 series */ + if (view->rotation != 0) + return; + clear_selection (view); n_pages = ev_page_cache_get_n_pages (view->page_cache); @@ -2610,7 +4103,9 @@ ev_view_select_all (EvView *view) EvViewSelection *selection; ev_page_cache_get_size (view->page_cache, - i, 1.0, &width, &height); + i, + view->rotation, + 1.0, &width, &height); selection = g_new0 (EvViewSelection, 1); selection->page = i; @@ -2618,12 +4113,20 @@ ev_view_select_all (EvView *view) selection->rect.x2 = width; selection->rect.y2 = height; - view->selections = g_list_append (view->selections, selection); + view->selection_info.selections = g_list_append (view->selection_info.selections, selection); } + ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, view->selection_info.selections); + g_object_notify (G_OBJECT (view), "has-selection"); gtk_widget_queue_draw (GTK_WIDGET (view)); } +gboolean +ev_view_get_has_selection (EvView *view) +{ + return view->selection_info.selections != NULL; +} + static char * get_selected_text (EvView *ev_view) { @@ -2634,7 +4137,7 @@ get_selected_text (EvView *ev_view) ev_document_doc_mutex_lock (); - for (l = ev_view->selections; l != NULL; l = l->next) { + for (l = ev_view->selection_info.selections; l != NULL; l = l->next) { EvViewSelection *selection = (EvViewSelection *)l->data; char *tmp; @@ -2702,7 +4205,7 @@ ev_view_update_primary_selection (EvView *ev_view) clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view), GDK_SELECTION_PRIMARY); - if (ev_view->selections) { + if (ev_view->selection_info.selections) { if (!gtk_clipboard_set_with_owner (clipboard, targets, G_N_ELEMENTS (targets), @@ -2749,6 +4252,9 @@ ev_view_set_cursor (EvView *view, EvViewCursor new_cursor) case EV_VIEW_CURSOR_NORMAL: gdk_window_set_cursor (widget->window, NULL); break; + case EV_VIEW_CURSOR_IBEAM: + cursor = gdk_cursor_new_for_display (display, GDK_XTERM); + break; case EV_VIEW_CURSOR_LINK: cursor = gdk_cursor_new_for_display (display, GDK_HAND2); break; @@ -2782,6 +4288,90 @@ 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 (GTK_WIDGET (view)->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; + + 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; + } + + 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 @@ -2800,3 +4390,21 @@ ev_sizing_mode_get_type (void) return etype; } +GType +ev_scroll_type_get_type (void) +{ + static GType etype = 0; + if (etype == 0) { + static const GEnumValue values[] = { + { EV_SCROLL_PAGE_FORWARD, "EV_SCROLL_PAGE_FORWARD", "scroll-page-forward" }, + { EV_SCROLL_PAGE_BACKWARD, "EV_SCROLL_PAGE_BACKWARD", "scroll-page-backward" }, + { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" }, + { EV_SCROLL_STEP_FORWARD, "EV_SCROLL_STEP_FORWARD", "scroll-step-forward" }, + { EV_SCROLL_STEP_UP, "EV_SCROLL_STEP_UP", "scroll-step-up" }, + { EV_SCROLL_STEP_DOWN, "EV_SCROLL_STEP_DOWN", "scroll-step-down" }, + { 0, NULL, NULL } + }; + etype = g_enum_register_static ("EvScrollType", values); + } + return etype; +}