1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
2 /* this file is part of evince, a gnome document viewer
4 * Copyright (C) 2004 Red Hat, Inc
6 * Evince is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Evince is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
21 #include <gtk/gtkalignment.h>
22 #include <glib/gi18n.h>
23 #include <gtk/gtkbindings.h>
24 #include <gtk/gtkselection.h>
25 #include <gtk/gtkclipboard.h>
26 #include <gdk/gdkkeysyms.h>
27 #include <libgnomevfs/gnome-vfs-utils.h>
29 #include "ev-marshal.h"
31 #include "ev-document-find.h"
33 #define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
34 #define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
35 #define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
48 TARGET_TEXT_BUFFER_CONTENTS
51 static const GtkTargetEntry targets[] = {
52 { "STRING", 0, TARGET_STRING },
53 { "TEXT", 0, TARGET_TEXT },
54 { "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT },
55 { "UTF8_STRING", 0, TARGET_UTF8_STRING },
59 EV_VIEW_CURSOR_NORMAL,
65 GtkWidget parent_instance;
69 GdkWindow *bin_window;
77 gboolean pressed_button;
78 gboolean has_selection;
79 GdkPoint selection_start;
80 GdkRectangle selection;
83 GtkAdjustment *hadjustment;
84 GtkAdjustment *vadjustment;
86 int results_on_this_page;
87 int next_page_with_result;
88 double find_percent_complete;
94 GtkWidgetClass parent_class;
96 void (*set_scroll_adjustments) (EvView *view,
97 GtkAdjustment *hadjustment,
98 GtkAdjustment *vadjustment);
99 void (*scroll_view) (EvView *view,
100 GtkScrollType scroll,
101 gboolean horizontal);
103 /* Should this be notify::page? */
104 void (*page_changed) (EvView *view);
107 static guint page_changed_signal = 0;
109 static void ev_view_set_scroll_adjustments (EvView *view,
110 GtkAdjustment *hadjustment,
111 GtkAdjustment *vadjustment);
113 G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_WIDGET)
115 /*** Helper functions ***/
118 view_update_adjustments (EvView *view)
120 int old_x = view->scroll_x;
121 int old_y = view->scroll_y;
123 if (view->hadjustment)
124 view->scroll_x = view->hadjustment->value;
128 if (view->vadjustment)
129 view->scroll_y = view->vadjustment->value;
133 if (GTK_WIDGET_REALIZED (view) &&
134 (view->scroll_x != old_x || view->scroll_y != old_y)) {
135 gdk_window_move (view->bin_window, - view->scroll_x, - view->scroll_y);
136 gdk_window_process_updates (view->bin_window, TRUE);
141 view_set_adjustment_values (EvView *view,
142 GtkOrientation orientation)
144 GtkWidget *widget = GTK_WIDGET (view);
145 GtkAdjustment *adjustment;
146 gboolean value_changed = FALSE;
150 if (orientation == GTK_ORIENTATION_HORIZONTAL) {
151 requisition = widget->requisition.width;
152 allocation = widget->allocation.width;
153 adjustment = view->hadjustment;
155 requisition = widget->requisition.height;
156 allocation = widget->allocation.height;
157 adjustment = view->vadjustment;
163 adjustment->page_size = allocation;
164 adjustment->step_increment = allocation * 0.1;
165 adjustment->page_increment = allocation * 0.9;
166 adjustment->lower = 0;
167 adjustment->upper = MAX (allocation, requisition);
169 if (adjustment->value > adjustment->upper - adjustment->page_size) {
170 adjustment->value = adjustment->upper - adjustment->page_size;
171 value_changed = TRUE;
174 gtk_adjustment_changed (adjustment);
176 gtk_adjustment_value_changed (adjustment);
179 /*** Virtual function implementations ***/
182 ev_view_finalize (GObject *object)
184 EvView *view = EV_VIEW (object);
187 g_object_unref (view->document);
189 ev_view_set_scroll_adjustments (view, NULL, NULL);
191 G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
195 ev_view_destroy (GtkObject *object)
197 EvView *view = EV_VIEW (object);
199 ev_view_set_scroll_adjustments (view, NULL, NULL);
201 GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
205 ev_view_size_request (GtkWidget *widget,
206 GtkRequisition *requisition)
208 EvView *view = EV_VIEW (widget);
210 if (GTK_WIDGET_REALIZED (widget)) {
211 if (view->document) {
212 ev_document_get_page_size (view->document,
214 &requisition->height);
216 requisition->width = 10;
217 requisition->height = 10;
220 requisition->width += 2;
221 requisition->height += 2;
227 ev_view_size_allocate (GtkWidget *widget,
228 GtkAllocation *allocation)
230 EvView *view = EV_VIEW (widget);
232 GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
234 view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
235 view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
237 if (GTK_WIDGET_REALIZED (widget)) {
238 gdk_window_resize (view->bin_window,
239 MAX (widget->allocation.width, widget->requisition.width),
240 MAX (widget->allocation.height, widget->requisition.height));
245 ev_view_realize (GtkWidget *widget)
247 EvView *view = EV_VIEW (widget);
248 GdkWindowAttr attributes;
250 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
252 attributes.window_type = GDK_WINDOW_CHILD;
253 attributes.wclass = GDK_INPUT_OUTPUT;
254 attributes.visual = gtk_widget_get_visual (widget);
255 attributes.colormap = gtk_widget_get_colormap (widget);
257 attributes.x = widget->allocation.x;
258 attributes.y = widget->allocation.y;
259 attributes.width = widget->allocation.width;
260 attributes.height = widget->allocation.height;
261 attributes.event_mask = 0;
263 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
265 GDK_WA_X | GDK_WA_Y |
268 gdk_window_set_user_data (widget->window, widget);
269 widget->style = gtk_style_attach (widget->style, widget->window);
273 attributes.width = MAX (widget->allocation.width, widget->requisition.width);
274 attributes.height = MAX (widget->allocation.height, widget->requisition.height);
275 attributes.event_mask = GDK_EXPOSURE_MASK |
276 GDK_BUTTON_PRESS_MASK |
277 GDK_BUTTON_RELEASE_MASK |
280 GDK_POINTER_MOTION_MASK;
282 view->bin_window = gdk_window_new (widget->window,
284 GDK_WA_X | GDK_WA_Y |
287 gdk_window_set_user_data (view->bin_window, widget);
288 gdk_window_show (view->bin_window);
290 widget->style = gtk_style_attach (widget->style, view->bin_window);
291 gdk_window_set_background (view->bin_window, &widget->style->mid[widget->state]);
293 if (view->document) {
294 ev_document_set_target (view->document, view->bin_window);
296 /* We can't get page size without a target, so we have to
297 * queue a size request at realization. Could be fixed
298 * with EvDocument changes to allow setting a GdkScreen
299 * without setting a target.
301 gtk_widget_queue_resize (widget);
306 ev_view_unrealize (GtkWidget *widget)
308 EvView *view = EV_VIEW (widget);
311 ev_document_set_target (view->document, NULL);
313 gdk_window_set_user_data (view->bin_window, NULL);
314 gdk_window_destroy (view->bin_window);
315 view->bin_window = NULL;
317 GTK_WIDGET_CLASS (ev_view_parent_class)->unrealize (widget);
321 ev_gdk_color_to_rgb (const GdkColor *color)
324 result = (0xff0000 | (color->red & 0xff00));
326 result |= ((color->green & 0xff00) | (color->blue >> 8));
331 draw_rubberband (GtkWidget *widget, GdkWindow *window, const GdkRectangle *rect)
335 GdkColor *fill_color_gdk;
338 fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
339 fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | 0x40;
341 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
342 rect->width, rect->height);
343 gdk_pixbuf_fill (pixbuf, fill_color);
345 gdk_draw_pixbuf (window, NULL, pixbuf,
348 rect->width, rect->height,
352 g_object_unref (pixbuf);
354 gc = gdk_gc_new (window);
355 gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
356 gdk_draw_rectangle (window, gc, FALSE,
362 gdk_color_free (fill_color_gdk);
366 highlight_find_results (EvView *view)
368 EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
371 results = ev_document_find_get_n_results (find);
373 for (i = 0; i < results; i++) {
374 GdkRectangle rectangle;
376 ev_document_find_get_result (find, i, &rectangle);
377 draw_rubberband (GTK_WIDGET (view),
378 view->bin_window, &rectangle);
383 expose_bin_window (GtkWidget *widget,
384 GdkEventExpose *event)
386 EvView *view = EV_VIEW (widget);
387 int x_offset, y_offset;
389 if (view->document == NULL)
392 x_offset = MAX (0, (widget->allocation.width -
393 widget->requisition.width) / 2);
394 y_offset = MAX (0, (widget->allocation.height -
395 widget->requisition.height) / 2);
396 gdk_draw_rectangle (view->bin_window,
397 widget->style->black_gc,
401 widget->requisition.width - 1,
402 widget->requisition.height - 1);
404 ev_document_set_page_offset (view->document,
408 ev_document_render (view->document,
409 event->area.x, event->area.y,
410 event->area.width, event->area.height);
412 highlight_find_results (view);
414 if (view->has_selection) {
415 draw_rubberband (widget, view->bin_window, &view->selection);
420 ev_view_expose_event (GtkWidget *widget,
421 GdkEventExpose *event)
423 EvView *view = EV_VIEW (widget);
425 if (event->window == view->bin_window)
426 expose_bin_window (widget, event);
428 return GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event (widget, event);
434 ev_view_select_all (EvView *ev_view)
436 GtkWidget *widget = GTK_WIDGET (ev_view);
438 g_return_if_fail (EV_IS_VIEW (ev_view));
440 ev_view->has_selection = TRUE;
441 ev_view->selection.x = ev_view->selection.y = 0;
442 ev_view->selection.width = widget->requisition.width;
443 ev_view->selection.height = widget->requisition.height;
445 gtk_widget_queue_draw (widget);
449 ev_view_copy (EvView *ev_view)
451 GtkClipboard *clipboard;
454 text = ev_document_get_text (ev_view->document, &ev_view->selection);
455 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
456 GDK_SELECTION_CLIPBOARD);
457 gtk_clipboard_set_text (clipboard, text, -1);
462 ev_view_primary_get_cb (GtkClipboard *clipboard,
463 GtkSelectionData *selection_data,
467 EvView *ev_view = EV_VIEW (data);
470 text = ev_document_get_text (ev_view->document, &ev_view->selection);
471 gtk_selection_data_set_text (selection_data, text, -1);
475 ev_view_primary_clear_cb (GtkClipboard *clipboard,
478 EvView *ev_view = EV_VIEW (data);
480 ev_view->has_selection = FALSE;
484 ev_view_update_primary_selection (EvView *ev_view)
486 GtkClipboard *clipboard;
488 clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
489 GDK_SELECTION_PRIMARY);
491 if (ev_view->has_selection) {
492 if (!gtk_clipboard_set_with_owner (clipboard,
494 G_N_ELEMENTS (targets),
495 ev_view_primary_get_cb,
496 ev_view_primary_clear_cb,
498 ev_view_primary_clear_cb (clipboard, ev_view);
500 if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
501 gtk_clipboard_clear (clipboard);
506 ev_view_button_press_event (GtkWidget *widget,
507 GdkEventButton *event)
509 EvView *view = EV_VIEW (widget);
511 if (!GTK_WIDGET_HAS_FOCUS (widget)) {
512 gtk_widget_grab_focus (widget);
515 view->pressed_button = event->button;
517 switch (event->button) {
519 if (view->has_selection) {
520 view->has_selection = FALSE;
521 gtk_widget_queue_draw (widget);
524 view->selection_start.x = event->x;
525 view->selection_start.y = event->y;
533 status_message_from_link (EvLink *link)
539 type = ev_link_get_link_type (link);
542 case EV_LINK_TYPE_TITLE:
543 msg = g_strdup (ev_link_get_title (link));
545 case EV_LINK_TYPE_PAGE:
546 page = ev_link_get_page (link);
547 msg = g_strdup_printf (_("Go to page %d"), page);
549 case EV_LINK_TYPE_EXTERNAL_URI:
550 msg = g_strdup (ev_link_get_uri (link));
560 ev_view_set_status (EvView *view, const char *message)
562 g_return_if_fail (EV_IS_VIEW (view));
564 if (message != view->status) {
565 g_free (view->status);
566 view->status = g_strdup (message);
567 g_object_notify (G_OBJECT (view), "status");
572 ev_view_set_find_status (EvView *view, const char *message)
574 g_return_if_fail (EV_IS_VIEW (view));
576 g_free (view->find_status);
577 view->find_status = g_strdup (message);
578 g_object_notify (G_OBJECT (view), "find-status");
583 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
585 GdkCursor *cursor = NULL;
589 if (view->cursor == new_cursor) {
593 widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
594 display = gtk_widget_get_display (widget);
595 view->cursor = new_cursor;
597 switch (new_cursor) {
598 case EV_VIEW_CURSOR_NORMAL:
599 gdk_window_set_cursor (widget->window, NULL);
601 case EV_VIEW_CURSOR_LINK:
602 cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
604 case EV_VIEW_CURSOR_WAIT:
605 cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
610 gdk_window_set_cursor (widget->window, cursor);
611 gdk_cursor_unref (cursor);
617 ev_view_motion_notify_event (GtkWidget *widget,
618 GdkEventMotion *event)
620 EvView *view = EV_VIEW (widget);
622 if (view->pressed_button > 0) {
623 view->has_selection = TRUE;
624 view->selection.x = MIN (view->selection_start.x, event->x);
625 view->selection.y = MIN (view->selection_start.y, event->y);
626 view->selection.width = ABS (view->selection_start.x - event->x) + 1;
627 view->selection.height = ABS (view->selection_start.y - event->y) + 1;
628 } else if (view->document) {
631 link = ev_document_get_link (view->document, event->x, event->y);
635 msg = status_message_from_link (link);
636 ev_view_set_status (view, msg);
637 ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
640 g_object_unref (link);
642 ev_view_set_status (view, NULL);
643 if (view->cursor == EV_VIEW_CURSOR_LINK) {
644 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
649 gtk_widget_queue_draw (widget);
655 ev_view_button_release_event (GtkWidget *widget,
656 GdkEventButton *event)
658 EvView *view = EV_VIEW (widget);
660 view->pressed_button = -1;
662 if (view->has_selection) {
663 ev_view_update_primary_selection (view);
664 } else if (view->document) {
667 link = ev_document_get_link (view->document,
671 ev_view_go_to_link (view, link);
672 g_object_unref (link);
680 on_adjustment_value_changed (GtkAdjustment *adjustment,
683 view_update_adjustments (view);
687 set_scroll_adjustment (EvView *view,
688 GtkOrientation orientation,
689 GtkAdjustment *adjustment)
691 GtkAdjustment **to_set;
693 if (orientation == GTK_ORIENTATION_HORIZONTAL)
694 to_set = &view->hadjustment;
696 to_set = &view->vadjustment;
698 if (*to_set != adjustment) {
700 g_signal_handlers_disconnect_by_func (*to_set,
701 (gpointer) on_adjustment_value_changed,
703 g_object_unref (*to_set);
706 *to_set = adjustment;
707 view_set_adjustment_values (view, orientation);
710 g_object_ref (*to_set);
711 g_signal_connect (*to_set, "value_changed",
712 G_CALLBACK (on_adjustment_value_changed), view);
718 ev_view_set_scroll_adjustments (EvView *view,
719 GtkAdjustment *hadjustment,
720 GtkAdjustment *vadjustment)
722 set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
723 set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
725 view_update_adjustments (view);
729 add_scroll_binding (GtkBindingSet *binding_set,
731 GtkScrollType scroll,
734 guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
736 gtk_binding_entry_add_signal (binding_set, keyval, 0,
738 GTK_TYPE_SCROLL_TYPE, scroll,
739 G_TYPE_BOOLEAN, horizontal);
740 gtk_binding_entry_add_signal (binding_set, keypad_keyval, 0,
742 GTK_TYPE_SCROLL_TYPE, scroll,
743 G_TYPE_BOOLEAN, horizontal);
747 ev_view_scroll_view (EvView *view,
748 GtkScrollType scroll,
751 if (scroll == GTK_SCROLL_PAGE_BACKWARD) {
752 ev_view_set_page (view, ev_view_get_page (view) - 1);
753 } else if (scroll == GTK_SCROLL_PAGE_FORWARD) {
754 ev_view_set_page (view, ev_view_get_page (view) + 1);
756 GtkAdjustment *adjustment;
760 adjustment = view->hadjustment;
762 adjustment = view->vadjustment;
765 value = adjustment->value;
768 case GTK_SCROLL_STEP_BACKWARD:
769 value -= adjustment->step_increment;
771 case GTK_SCROLL_STEP_FORWARD:
772 value += adjustment->step_increment;
778 value = CLAMP (value, adjustment->lower,
779 adjustment->upper - adjustment->page_size);
781 gtk_adjustment_set_value (adjustment, value);
786 ev_view_set_property (GObject *object,
795 case PROP_FIND_STATUS:
801 ev_view_get_property (GObject *object,
806 EvView *view = EV_VIEW (object);
811 g_value_set_string (value, view->status);
813 case PROP_FIND_STATUS:
814 g_value_set_string (value, view->status);
820 ev_view_class_init (EvViewClass *class)
822 GObjectClass *object_class = G_OBJECT_CLASS (class);
823 GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
824 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
825 GtkBindingSet *binding_set;
827 object_class->finalize = ev_view_finalize;
828 object_class->set_property = ev_view_set_property;
829 object_class->get_property = ev_view_get_property;
831 widget_class->expose_event = ev_view_expose_event;
832 widget_class->button_press_event = ev_view_button_press_event;
833 widget_class->motion_notify_event = ev_view_motion_notify_event;
834 widget_class->button_release_event = ev_view_button_release_event;
835 widget_class->size_request = ev_view_size_request;
836 widget_class->size_allocate = ev_view_size_allocate;
837 widget_class->realize = ev_view_realize;
838 widget_class->unrealize = ev_view_unrealize;
839 gtk_object_class->destroy = ev_view_destroy;
841 class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
842 class->scroll_view = ev_view_scroll_view;
844 widget_class->set_scroll_adjustments_signal = g_signal_new ("set-scroll-adjustments",
845 G_OBJECT_CLASS_TYPE (object_class),
846 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
847 G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
849 ev_marshal_VOID__OBJECT_OBJECT,
852 GTK_TYPE_ADJUSTMENT);
853 page_changed_signal = g_signal_new ("page-changed",
854 G_OBJECT_CLASS_TYPE (object_class),
855 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
856 G_STRUCT_OFFSET (EvViewClass, page_changed),
858 ev_marshal_VOID__NONE,
861 g_signal_new ("scroll_view",
862 G_TYPE_FROM_CLASS (object_class),
863 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
864 G_STRUCT_OFFSET (EvViewClass, scroll_view),
866 ev_marshal_VOID__ENUM_BOOLEAN,
868 GTK_TYPE_SCROLL_TYPE,
871 g_object_class_install_property (object_class,
873 g_param_spec_string ("status",
875 "The status message",
879 g_object_class_install_property (object_class,
881 g_param_spec_string ("find-status",
882 "Find Status Message",
883 "The find status message",
887 binding_set = gtk_binding_set_by_class (class);
889 add_scroll_binding (binding_set, GDK_Left, GTK_SCROLL_STEP_BACKWARD, TRUE);
890 add_scroll_binding (binding_set, GDK_Right, GTK_SCROLL_STEP_FORWARD, TRUE);
891 add_scroll_binding (binding_set, GDK_Up, GTK_SCROLL_STEP_BACKWARD, FALSE);
892 add_scroll_binding (binding_set, GDK_Down, GTK_SCROLL_STEP_FORWARD, FALSE);
894 add_scroll_binding (binding_set, GDK_Page_Up, GTK_SCROLL_PAGE_BACKWARD, FALSE);
895 add_scroll_binding (binding_set, GDK_Page_Down, GTK_SCROLL_PAGE_FORWARD, FALSE);
899 ev_view_init (EvView *view)
901 GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
904 view->pressed_button = -1;
905 view->cursor = EV_VIEW_CURSOR_NORMAL;
906 view->results_on_this_page = 0;
907 view->next_page_with_result = 0;
911 ev_view_get_find_status_message (EvView *view)
914 if (view->find_results->len == 0) {
915 if (view->find_percent_complete >= (1.0 - 1e-10)) {
916 return g_strdup (_("Not found"));
918 return g_strdup_printf (_("%3d%% remaining to search"),
919 (int) ((1.0 - view->find_percent_complete) * 100));
921 } else if (view->results_on_this_page == 0) {
922 g_assert (view->next_page_with_result != 0);
923 return g_strdup_printf (_("Found on page %d"),
924 view->next_page_with_result);
926 return g_strdup_printf (_("%d found on this page"),
927 view->results_on_this_page);
933 find_changed_cb (EvDocument *document, EvView *view)
935 gtk_widget_queue_draw (GTK_WIDGET (view));
939 document_changed_callback (EvDocument *document,
942 gtk_widget_queue_draw (GTK_WIDGET (view));
943 ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
951 return g_object_new (EV_TYPE_VIEW, NULL);
955 ev_view_set_document (EvView *view,
956 EvDocument *document)
958 g_return_if_fail (EV_IS_VIEW (view));
960 if (document != view->document) {
961 if (view->document) {
962 g_signal_handlers_disconnect_by_func (view->document,
965 g_object_unref (view->document);
968 view->document = document;
970 if (view->document) {
971 g_object_ref (view->document);
972 if (EV_IS_DOCUMENT_FIND (view->document))
973 g_signal_connect (view->document,
975 G_CALLBACK (find_changed_cb),
977 g_signal_connect (view->document,
979 G_CALLBACK (document_changed_callback),
983 if (GTK_WIDGET_REALIZED (view))
984 ev_document_set_target (view->document, view->bin_window);
986 gtk_widget_queue_resize (GTK_WIDGET (view));
988 g_signal_emit (view, page_changed_signal, 0);
993 set_document_page (EvView *view, int page)
995 if (view->document) {
996 int old_page = ev_document_get_page (view->document);
997 int old_width, old_height;
999 ev_document_get_page_size (view->document,
1000 &old_width, &old_height);
1002 if (old_page != page) {
1003 ev_view_set_cursor (view, EV_VIEW_CURSOR_WAIT);
1004 ev_document_set_page (view->document, page);
1007 if (old_page != ev_document_get_page (view->document)) {
1010 g_signal_emit (view, page_changed_signal, 0);
1012 view->has_selection = FALSE;
1013 ev_document_get_page_size (view->document,
1015 if (width != old_width || height != old_height)
1016 gtk_widget_queue_resize (GTK_WIDGET (view));
1022 go_to_link (EvView *view, EvLink *link)
1028 type = ev_link_get_link_type (link);
1031 case EV_LINK_TYPE_TITLE:
1033 case EV_LINK_TYPE_PAGE:
1034 page = ev_link_get_page (link);
1035 set_document_page (view, page);
1037 case EV_LINK_TYPE_EXTERNAL_URI:
1038 uri = ev_link_get_uri (link);
1039 gnome_vfs_url_show (uri);
1045 ev_view_go_to_link (EvView *view, EvLink *link)
1047 go_to_link (view, link);
1051 ev_view_set_page (EvView *view,
1054 g_return_if_fail (EV_IS_VIEW (view));
1056 set_document_page (view, page);
1060 ev_view_get_page (EvView *view)
1063 return ev_document_get_page (view->document);
1068 #define ZOOM_IN_FACTOR 1.2
1069 #define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
1071 #define MIN_SCALE 0.05409
1072 #define MAX_SCALE 18.4884
1075 ev_view_zoom (EvView *view,
1082 scale = view->scale * factor;
1086 view->scale = CLAMP (scale, MIN_SCALE, MAX_SCALE);
1088 ev_document_set_scale (view->document, view->scale);
1090 gtk_widget_queue_resize (GTK_WIDGET (view));
1094 ev_view_zoom_in (EvView *view)
1096 ev_view_zoom (view, ZOOM_IN_FACTOR, TRUE);
1100 ev_view_zoom_out (EvView *view)
1102 ev_view_zoom (view, ZOOM_OUT_FACTOR, TRUE);
1106 ev_view_normal_size (EvView *view)
1108 ev_view_zoom (view, 1.0, FALSE);
1112 ev_view_best_fit (EvView *view)
1118 ev_document_get_page_size (view->document, &width, &height);
1121 if (width != 0 && height != 0) {
1122 double scale_w, scale_h;
1124 scale_w = (double)GTK_WIDGET (view)->allocation.width * view->scale / width;
1125 scale_h = (double)GTK_WIDGET (view)->allocation.height * view->scale / height;
1127 scale = (scale_w < scale_h) ? scale_w : scale_h;
1130 ev_view_zoom (view, scale, FALSE);
1134 ev_view_fit_width (EvView *view)
1140 ev_document_get_page_size (view->document, &width, NULL);
1144 scale = (double)GTK_WIDGET (view)->allocation.width * view->scale / width;
1146 ev_view_zoom (view, scale, FALSE);
1150 ev_view_get_status (EvView *view)
1152 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
1154 return view->status;
1158 ev_view_get_find_status (EvView *view)
1160 g_return_val_if_fail (EV_IS_VIEW (view), NULL);
1162 return view->find_status;