X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=shell%2Fev-view.c;h=c4ae90465f727f067e45c2a5cce8c171c04741f4;hb=3f175f30d0eb1df7df8894c7ba0949e4cbd23e8f;hp=9ff59dbbe6c22b7ec7b0889b10bc4ac3bad39b95;hpb=1f82fa9589a57a49476066010861a0dae84f39a1;p=evince.git diff --git a/shell/ev-view.c b/shell/ev-view.c index 9ff59dbb..c4ae9046 100644 --- a/shell/ev-view.c +++ b/shell/ev-view.c @@ -29,6 +29,8 @@ #include "ev-marshal.h" #include "ev-view.h" +#include "ev-utils.h" +#include "ev-selection.h" #include "ev-document-find.h" #include "ev-document-misc.h" #include "ev-debug.h" @@ -77,6 +79,7 @@ static guint signals[N_SIGNALS]; typedef enum { EV_VIEW_CURSOR_NORMAL, + EV_VIEW_CURSOR_IBEAM, EV_VIEW_CURSOR_LINK, EV_VIEW_CURSOR_WAIT, EV_VIEW_CURSOR_HIDDEN, @@ -89,18 +92,21 @@ typedef enum { #define MIN_SCALE 0.05409 #define MAX_SCALE 4.0 +/* Information for middle clicking and moving around the doc */ typedef struct { - EvRectangle rect; - int page; -} EvViewSelection; - -typedef struct { - gboolean dragging; + gboolean in_drag; GdkPoint start; gdouble hadj; gdouble vadj; } DragInfo; +/* Information for handling selection */ +typedef struct { + gboolean in_selection; + GdkPoint start; + GList *selections; +} SelectionInfo; + typedef enum { SCROLL_TO_KEEP_POSITION, SCROLL_TO_CURRENT_PAGE, @@ -115,17 +121,26 @@ struct _EvView { char *status; char *find_status; + /* Scrolling */ + GtkAdjustment *hadjustment; + GtkAdjustment *vadjustment; + gint scroll_x; gint scroll_y; + /* Information for middle clicking and dragging around. */ DragInfo drag_info; - gboolean pressed_button; - GdkPoint selection_start; - GList *selections; - EvViewCursor cursor; - GtkAdjustment *hadjustment; - GtkAdjustment *vadjustment; + /* Selection */ + gint motion_x; + gint motion_y; + guint selection_update_id; + + EvViewSelectionMode selection_mode; + SelectionInfo selection_info; + + int pressed_button; + EvViewCursor cursor; EvPageCache *page_cache; EvPixbufCache *pixbuf_cache; @@ -140,6 +155,7 @@ struct _EvView { int find_result; int spacing; + int rotation; double scale; gboolean continuous; @@ -147,7 +163,7 @@ struct _EvView { gboolean fullscreen; gboolean presentation; EvSizingMode sizing_mode; - + PendingScroll pending_scroll; gboolean pending_resize; }; @@ -165,7 +181,7 @@ struct _EvViewClass { }; /*** 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, @@ -214,6 +230,8 @@ static void find_page_at_location (EvView gint *page, gint *x_offset, gint *y_offset); +static void ev_view_queue_draw_page (EvView *view, + gint page); /*** Hyperrefs ***/ static EvLink* get_link_at_location (EvView *view, @@ -249,6 +267,10 @@ static gboolean ev_view_motion_notify_event (GtkWidget GdkEventMotion *event); static gboolean ev_view_button_release_event (GtkWidget *widget, GdkEventButton *event); +static gboolean ev_view_leave_notify_event (GtkWidget *widget, + GdkEventCrossing *event); +static void ev_view_style_set (GtkWidget *widget, + GtkStyle *old_style); /*** Drawing ***/ static guint32 ev_gdk_color_to_rgb (const GdkColor *color); @@ -342,8 +364,10 @@ static void jump_to_find_page (EvView /*** 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, @@ -353,7 +377,7 @@ 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 @@ -362,9 +386,13 @@ scroll_to_current_page (EvView *view, GtkOrientation orientation) GdkRectangle page_area; GtkBorder border; + if (view->document == NULL) { + return; + } + get_page_extents (view, view->current_page, &page_area, &border); - if (orientation == GTK_ORIENTATION_VERTICAL) { + if (orientation == GTK_ORIENTATION_VERTICAL) { if (view->continuous) { gtk_adjustment_clamp_page (view->vadjustment, page_area.y - view->spacing, @@ -376,13 +404,13 @@ scroll_to_current_page (EvView *view, GtkOrientation orientation) } else { if (view->dual_page) { gtk_adjustment_clamp_page (view->hadjustment, - page_area.x, + page_area.x, page_area.x + view->hadjustment->page_size); } else { gtk_adjustment_set_value (view->hadjustment, - CLAMP (view->hadjustment->value, + CLAMP (view->hadjustment->value, view->hadjustment->lower, - view->hadjustment->upper - + view->hadjustment->upper - view->hadjustment->page_size)); } } @@ -412,15 +440,15 @@ 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: factor = (adjustment->value) / adjustment->upper; break; - case SCROLL_TO_CURRENT_PAGE: + case SCROLL_TO_CURRENT_PAGE: break; - case SCROLL_TO_CENTER: + case SCROLL_TO_CENTER: factor = (adjustment->value + adjustment->page_size * 0.5) / adjustment->upper; break; } @@ -431,18 +459,18 @@ 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: 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_CURRENT_PAGE: 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); @@ -465,10 +493,10 @@ view_update_range_and_current_page (EvView *view) gint current_page; gboolean found = FALSE; 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; @@ -477,25 +505,25 @@ 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) { view->start_page = i; found = TRUE; - + } 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) { @@ -515,7 +543,9 @@ view_update_range_and_current_page (EvView *view) 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 @@ -639,7 +669,7 @@ ev_view_binding_activated (EvView *view, { GtkAdjustment *adjustment; double value; - + if (view->presentation) { switch (scroll) { case GTK_SCROLL_STEP_BACKWARD: @@ -688,6 +718,8 @@ ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect) GtkAdjustment *adjustment; int value; + view->pending_scroll = SCROLL_TO_KEEP_POSITION; + adjustment = view->vadjustment; if (rect->y < adjustment->value) { @@ -728,28 +760,28 @@ 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); + ev_page_cache_get_height_to_page (view->page_cache, page, + view->rotation, zoom, NULL, &offset); offset += (page / 2 + 1) * view->spacing + (page / 2) * (border.top + border.bottom); } 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; } @@ -767,6 +799,7 @@ 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); @@ -780,7 +813,8 @@ 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->scale, + view->rotation, &max_width); max_width = max_width + border->left + border->right; /* Get the location of the bounding box */ if (view->dual_page) { @@ -812,6 +846,7 @@ get_page_extents (EvView *view, if (other_page < ev_page_cache_get_n_pages (view->page_cache)) { ev_page_cache_get_size (view->page_cache, other_page, + view->rotation, view->scale, &width_2, &height_2); if (width_2 > width) @@ -853,16 +888,27 @@ get_page_extents (EvView *view, return TRUE; } +static void +view_point_to_doc_point (EvView *view, + GdkPoint *view_point, + GdkRectangle *page_area, + double *doc_point_x, + double *doc_point_y) +{ + *doc_point_x = (double) (view_point->x - page_area->x) / view->scale; + *doc_point_y = (double) (view_point->y - page_area->y) / view->scale; +} + static void view_rect_to_doc_rect (EvView *view, GdkRectangle *view_rect, GdkRectangle *page_area, EvRectangle *doc_rect) { - doc_rect->x1 = floor ((view_rect->x - page_area->x) / view->scale); - doc_rect->y1 = floor ((view_rect->y - page_area->y) / view->scale); - doc_rect->x2 = doc_rect->x1 + ceil (view_rect->width / view->scale); - doc_rect->y2 = doc_rect->y1 + ceil (view_rect->height / view->scale); + doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale; + doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale; + doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale; + doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale; } static void @@ -873,16 +919,44 @@ 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 @@ -923,6 +997,36 @@ find_page_at_location (EvView *view, *page = -1; } +static void +ev_view_queue_draw_page (EvView *view, + gint page) +{ + /* FIXME: write */ + gtk_widget_queue_draw (GTK_WIDGET (view)); +} + +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; +} + /*** Hyperref ***/ static EvLink * get_link_at_location (EvView *view, @@ -1010,7 +1114,8 @@ ev_view_size_request_continuous_dual_page (EvView *view, gint n_pages; GtkBorder border; - 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); compute_border (view, max_width, max_width, &border); n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1; @@ -1037,7 +1142,8 @@ ev_view_size_request_continuous (EvView *view, GtkBorder border; - 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); n_pages = ev_page_cache_get_n_pages (view->page_cache); compute_border (view, max_width, max_width, &border); @@ -1064,12 +1170,14 @@ 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) { @@ -1101,6 +1209,7 @@ 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); @@ -1150,15 +1259,15 @@ 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) { 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); @@ -1166,7 +1275,7 @@ ev_view_size_allocate (GtkWidget *widget, view->pending_resize = FALSE; if (view->document) - view_update_range_and_current_page (view); + view_update_range_and_current_page (view); GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation); } @@ -1220,13 +1329,13 @@ ev_view_unrealize (GtkWidget *widget) static gboolean ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event) { - EvView *view = EV_VIEW (widget); + EvView *view = EV_VIEW (widget); - if ((event->state & GDK_CONTROL_MASK) != 0) { + if ((event->state & GDK_CONTROL_MASK) != 0) { - ev_view_set_sizing_mode (view, EV_SIZING_FREE); + ev_view_set_sizing_mode (view, EV_SIZING_FREE); - if (event->direction == GDK_SCROLL_UP || + if (event->direction == GDK_SCROLL_UP || event->direction == GDK_SCROLL_LEFT) { if (ev_view_can_zoom_in (view)) { ev_view_zoom_in (view); @@ -1234,12 +1343,12 @@ ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event) } else { if (ev_view_can_zoom_out (view)) { ev_view_zoom_out (view); - } + } } return TRUE; } - - if ((event->state & GDK_SHIFT_MASK) != 0) { + + if ((event->state & GDK_SHIFT_MASK) != 0) { if (event->direction == GDK_SCROLL_UP) event->direction = GDK_SCROLL_LEFT; if (event->direction == GDK_SCROLL_DOWN) @@ -1249,13 +1358,29 @@ ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event) 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 gboolean ev_view_expose_event (GtkWidget *widget, GdkEventExpose *event) { EvView *view = EV_VIEW (widget); - GdkRectangle rubberband; - GList *l; int i; if (view->document == NULL) @@ -1267,26 +1392,14 @@ ev_view_expose_event (GtkWidget *widget, 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)) { + 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; - - 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); - } } return FALSE; @@ -1306,13 +1419,13 @@ ev_view_button_press_event (GtkWidget *widget, switch (event->button) { case 1: - if (view->selections) { + if (view->selection_info.selections) { 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 @@ -1330,6 +1443,19 @@ ev_view_button_press_event (GtkWidget *widget, return FALSE; } + +static gboolean +selection_update_idle_cb (EvView *view) +{ + GdkPoint point; + point.x = view->motion_x; + point.y = view->motion_y; + compute_selections (view, &view->selection_info.start, &point); + + view->selection_update_id = 0; + return FALSE; +} + static gboolean ev_view_motion_notify_event (GtkWidget *widget, GdkEventMotion *event) @@ -1340,20 +1466,20 @@ ev_view_motion_notify_event (GtkWidget *widget, return FALSE; if (view->pressed_button == 1) { - GdkRectangle selection; - - 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; + view->selection_info.in_selection = TRUE; + view->motion_x = event->x + view->scroll_x; + view->motion_y = event->y + view->scroll_y; - compute_selections (view, &selection); + /* Queue an idle to handle the motion. We do this because + * handling any selection events in the motion is probably going + * to be slower than new motion events reach us. This means that */ - gtk_widget_queue_draw (widget); + 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, @@ -1361,10 +1487,10 @@ 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; @@ -1399,11 +1525,13 @@ ev_view_motion_notify_event (GtkWidget *widget, ev_view_set_status (view, msg); ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK); g_free (msg); + } else if (location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y)) { + ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM); } else { ev_view_set_status (view, NULL); - if (view->cursor == EV_VIEW_CURSOR_LINK) { + if (view->cursor == EV_VIEW_CURSOR_LINK || + view->cursor == EV_VIEW_CURSOR_IBEAM) ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL); - } } return TRUE; } @@ -1422,9 +1550,9 @@ ev_view_button_release_event (GtkWidget *widget, } view->pressed_button = -1; - view->drag_info.dragging = FALSE; + view->drag_info.in_drag = FALSE; - if (view->selections) { + if (view->selection_info.selections) { ev_view_update_primary_selection (view); } else if (view->document) { EvLink *link; @@ -1438,6 +1566,53 @@ ev_view_button_release_event (GtkWidget *widget, return FALSE; } +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); + + 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 @@ -1458,7 +1633,7 @@ 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; @@ -1519,24 +1694,26 @@ 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_one_page (EvView *view, + gint page, + GdkRectangle *page_area, + GtkBorder *border, + GdkRectangle *expose_area) { gint width, height; - GdkPixbuf *scaled_image; GdkPixbuf *current_pixbuf; GdkRectangle overlap; GdkRectangle real_page_area; + EvViewSelection *selection; g_assert (view->document); if (! gdk_rectangle_intersect (page_area, expose_area, &overlap)) return; + selection = find_selection_for_page (view, page); ev_page_cache_get_size (view->page_cache, - page, view->scale, + page, view->rotation, + view->scale, &width, &height); /* Render the document itself */ real_page_area = *page_area; @@ -1551,8 +1728,19 @@ draw_one_page (EvView *view, page_area, border); 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) && @@ -1565,6 +1753,18 @@ 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], @@ -1577,6 +1777,19 @@ draw_one_page (EvView *view, 0, 0); g_object_unref (scaled_image); } + + 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); + } } } @@ -1703,17 +1916,21 @@ 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->focus_in_event = ev_view_focus_in; + widget_class->focus_out_event = ev_view_focus_out; 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->leave_notify_event = ev_view_leave_notify_event; + widget_class->style_set = ev_view_style_set; gtk_object_class->destroy = ev_view_destroy; class->set_scroll_adjustments = ev_view_set_scroll_adjustments; class->binding_activated = ev_view_binding_activated; - 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, @@ -1802,7 +2019,7 @@ 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)); @@ -1825,8 +2042,10 @@ 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.in_selection = FALSE; + view->selection_mode = EV_VIEW_SELECTION_TEXT; view->continuous = TRUE; view->dual_page = FALSE; view->presentation = FALSE; @@ -1861,7 +2080,7 @@ 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; gtk_widget_queue_resize (GTK_WIDGET (view)); @@ -1895,9 +2114,9 @@ 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); @@ -1922,7 +2141,7 @@ 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 (view->document); + 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); } @@ -1934,8 +2153,9 @@ clear_caches (EvView *view) view->pixbuf_cache = NULL; } - if (view->document) { - ev_page_cache_clear (view->document); + if (view->page_cache) { + g_object_unref (view->page_cache); + view->page_cache = NULL; } } @@ -1999,7 +2219,7 @@ 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"); @@ -2011,6 +2231,14 @@ 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) @@ -2028,6 +2256,14 @@ ev_view_set_continuous (EvView *view, g_object_notify (G_OBJECT (view), "continuous"); } +gboolean +ev_view_get_dual_page (EvView *view) +{ + g_return_val_if_fail (EV_IS_VIEW (view), FALSE); + + return view->dual_page; +} + void ev_view_set_dual_page (EvView *view, gboolean dual_page) @@ -2038,7 +2274,7 @@ ev_view_set_dual_page (EvView *view, if (view->dual_page == dual_page) return; - + view->pending_scroll = SCROLL_TO_CURRENT_PAGE; view->dual_page = dual_page; /* FIXME: if we're keeping the pixbuf cache around, we should extend the @@ -2057,11 +2293,12 @@ 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"); } @@ -2085,7 +2322,9 @@ ev_view_set_presentation (EvView *view, return; view->presentation = presentation; + view->pending_scroll = SCROLL_TO_CURRENT_PAGE; gtk_widget_queue_resize (GTK_WIDGET (view)); + if (GTK_WIDGET_REALIZED (view)) { if (view->presentation) gdk_window_set_background (GTK_WIDGET(view)->window, @@ -2118,7 +2357,7 @@ 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"); } @@ -2146,7 +2385,7 @@ 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); } @@ -2161,51 +2400,36 @@ ev_view_zoom_out (EvView *view) } static void -ev_view_set_orientation (EvView *view, - EvOrientation orientation) +ev_view_set_rotation (EvView *view, int rotation) { - ev_document_set_orientation (view->document, orientation); - - clear_caches (view); - setup_caches (view); + view->rotation = rotation; + ev_pixbuf_cache_clear (view->pixbuf_cache); gtk_widget_queue_resize (GTK_WIDGET (view)); } void ev_view_rotate_right (EvView *view) { - EvOrientation orientation, new_orientation; + int rotation = view->rotation + 90; - orientation = ev_document_get_orientation (view->document); - if (orientation == EV_ORIENTATION_PORTRAIT) { - new_orientation = EV_ORIENTATION_LANDSCAPE; - } else if (orientation == EV_ORIENTATION_LANDSCAPE) { - new_orientation = EV_ORIENTATION_UPSIDEDOWN; - } else if (orientation == EV_ORIENTATION_UPSIDEDOWN) { - new_orientation = EV_ORIENTATION_SEASCAPE; - } else { - new_orientation = EV_ORIENTATION_PORTRAIT; + if (rotation >= 360) { + rotation -= 360; } - ev_view_set_orientation (view, new_orientation); + + ev_view_set_rotation (view, rotation); } void ev_view_rotate_left (EvView *view) { - EvOrientation orientation, new_orientation; + int rotation = view->rotation - 90; - orientation = ev_document_get_orientation (view->document); - if (orientation == EV_ORIENTATION_PORTRAIT) { - new_orientation = EV_ORIENTATION_SEASCAPE; - } else if (orientation == EV_ORIENTATION_SEASCAPE) { - new_orientation = EV_ORIENTATION_UPSIDEDOWN; - } else if (orientation == EV_ORIENTATION_UPSIDEDOWN) { - new_orientation = EV_ORIENTATION_LANDSCAPE; - } else { - new_orientation = EV_ORIENTATION_PORTRAIT; + if (rotation < 0) { + rotation += 360; } - ev_view_set_orientation (view, new_orientation); + + ev_view_set_rotation (view, rotation); } static double @@ -2258,6 +2482,7 @@ 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); @@ -2277,9 +2502,11 @@ 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); @@ -2313,9 +2540,11 @@ 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); @@ -2353,6 +2582,7 @@ 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); @@ -2360,6 +2590,7 @@ 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) @@ -2396,6 +2627,7 @@ 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); @@ -2421,7 +2653,7 @@ 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); @@ -2585,14 +2817,12 @@ ev_view_can_find_next (EvView *view) 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_page_cache_get (view->document); n_results = ev_document_find_get_n_results (find, view->current_page); - n_pages = ev_page_cache_get_n_pages (page_cache); + n_pages = ev_page_cache_get_n_pages (view->page_cache); view->find_result++; @@ -2643,22 +2873,35 @@ ev_view_find_previous (EvView *view) /*** 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); @@ -2666,18 +2909,250 @@ 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; + + 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; + for (i = 0; i < n_pages; 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); + + 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; } @@ -2694,6 +3169,7 @@ ev_view_select_all (EvView *view) EvViewSelection *selection; ev_page_cache_get_size (view->page_cache, + view->rotation, i, 1.0, &width, &height); selection = g_new0 (EvViewSelection, 1); @@ -2702,9 +3178,10 @@ 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); gtk_widget_queue_draw (GTK_WIDGET (view)); } @@ -2718,7 +3195,7 @@ 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; @@ -2786,7 +3263,7 @@ 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), @@ -2833,6 +3310,9 @@ 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;