1 /* ev-annotation-window.c
2 * this file is part of evince, a gnome document viewer
4 * Copyright (C) 2009 Carlos Garcia Campos <carlosgc@gnome.org>
5 * Copyright (C) 2007 IƱigo Martinez <inigomartinez@gmail.com>
7 * Evince is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * Evince is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
26 #include "ev-annotation-window.h"
27 #include "ev-stock-icons.h"
28 #include "ev-view-marshal.h"
29 #include "ev-document-misc.h"
43 struct _EvAnnotationWindow {
44 GtkWindow base_instance;
46 EvAnnotation *annotation;
50 GtkWidget *close_button;
65 struct _EvAnnotationWindowClass {
66 GtkWindowClass base_class;
68 void (* closed) (EvAnnotationWindow *window);
69 void (* moved) (EvAnnotationWindow *window,
74 static guint signals[N_SIGNALS];
76 G_DEFINE_TYPE (EvAnnotationWindow, ev_annotation_window, GTK_TYPE_WINDOW)
78 #define EV_ICON_SIZE_ANNOT_WINDOW (ev_annotation_window_get_icon_size())
80 /* Cut and paste from gtkwindow.c */
82 send_focus_change (GtkWidget *widget,
85 GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
87 fevent->focus_change.type = GDK_FOCUS_CHANGE;
88 fevent->focus_change.window = gtk_widget_get_window (widget);
89 fevent->focus_change.in = in;
90 if (fevent->focus_change.window)
91 g_object_ref (fevent->focus_change.window);
93 gtk_widget_send_focus_change (widget, fevent);
95 gdk_event_free (fevent);
99 get_screen_dpi (EvAnnotationWindow *window)
103 screen = gtk_window_get_screen (GTK_WINDOW (window));
104 return ev_document_misc_get_screen_dpi (screen);
108 ev_annotation_window_get_icon_size (void)
110 static GtkIconSize icon_size = 0;
112 if (G_UNLIKELY (icon_size == 0))
113 icon_size = gtk_icon_size_register ("ev-icon-size-annot-window", 8, 8);
119 ev_annotation_window_check_contents_modified (EvAnnotationWindow *window)
122 GtkTextIter start, end;
123 GtkTextBuffer *buffer;
124 EvAnnotation *annot = window->annotation;
126 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (window->text_view));
127 gtk_text_buffer_get_bounds (buffer, &start, &end);
128 contents = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
130 if (contents && annot->contents) {
131 if (strcasecmp (contents, annot->contents) != 0) {
132 g_free (annot->contents);
133 annot->contents = contents;
134 annot->changed = TRUE;
138 } else if (annot->contents) {
139 g_free (annot->contents);
140 annot->contents = NULL;
141 annot->changed = TRUE;
142 } else if (contents) {
143 annot->contents = contents;
144 annot->changed = TRUE;
149 ev_annotation_window_set_color (EvAnnotationWindow *window,
152 GtkRcStyle *rc_style;
157 /* Allocate these colors */
158 gdk_colormap_alloc_color (gtk_widget_get_colormap (GTK_WIDGET (window)),
159 &gcolor, FALSE, TRUE);
161 /* Apply colors to style */
162 rc_style = gtk_widget_get_modifier_style (GTK_WIDGET (window));
163 rc_style->base[GTK_STATE_NORMAL] = gcolor;
164 rc_style->bg[GTK_STATE_PRELIGHT] = gcolor;
165 rc_style->bg[GTK_STATE_NORMAL] = gcolor;
166 rc_style->bg[GTK_STATE_ACTIVE] = gcolor;
167 rc_style->color_flags[GTK_STATE_PRELIGHT] = GTK_RC_BG;
168 rc_style->color_flags[GTK_STATE_NORMAL] = GTK_RC_BG | GTK_RC_BASE;
169 rc_style->color_flags[GTK_STATE_ACTIVE] = GTK_RC_BG;
171 /* Apply the style to the widgets */
172 g_object_ref (rc_style);
173 gtk_widget_modify_style (GTK_WIDGET (window), rc_style);
174 gtk_widget_modify_style (window->close_button, rc_style);
175 gtk_widget_modify_style (window->resize_se, rc_style);
176 gtk_widget_modify_style (window->resize_sw, rc_style);
177 g_object_unref (rc_style);
181 ev_annotation_window_dispose (GObject *object)
183 EvAnnotationWindow *window = EV_ANNOTATION_WINDOW (object);
185 if (window->annotation) {
186 ev_annotation_window_check_contents_modified (window);
187 g_object_unref (window->annotation);
188 window->annotation = NULL;
192 ev_rectangle_free (window->rect);
196 (* G_OBJECT_CLASS (ev_annotation_window_parent_class)->dispose) (object);
200 ev_annotation_window_set_property (GObject *object,
205 EvAnnotationWindow *window = EV_ANNOTATION_WINDOW (object);
208 case PROP_ANNOTATION:
209 window->annotation = g_value_dup_object (value);
212 window->parent = g_value_get_object (value);
215 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
220 ev_annotation_window_resize (EvAnnotationWindow *window,
221 GdkEventButton *event,
224 if (event->type == GDK_BUTTON_PRESS && event->button == 1) {
225 gtk_window_begin_resize_drag (GTK_WINDOW (window),
226 window->resize_sw == ebox ?
227 GDK_WINDOW_EDGE_SOUTH_WEST :
228 GDK_WINDOW_EDGE_SOUTH_EAST,
229 event->button, event->x_root,
230 event->y_root, event->time);
238 ev_annotation_window_set_resize_cursor (GtkWidget *widget,
239 EvAnnotationWindow *window)
241 GdkWindow *gdk_window = gtk_widget_get_window (widget);
246 if (gtk_widget_is_sensitive (widget)) {
247 GdkDisplay *display = gtk_widget_get_display (widget);
250 cursor = gdk_cursor_new_for_display (display,
251 widget == window->resize_sw ?
252 GDK_BOTTOM_LEFT_CORNER :
253 GDK_BOTTOM_RIGHT_CORNER);
254 gdk_window_set_cursor (gdk_window, cursor);
255 gdk_cursor_unref (cursor);
257 gdk_window_set_cursor (gdk_window, NULL);
262 text_view_button_press (GtkWidget *widget,
263 GdkEventButton *event,
264 EvAnnotationWindow *window)
266 ev_annotation_window_grab_focus (window);
272 ev_annotation_window_close (EvAnnotationWindow *window)
274 gtk_widget_hide (GTK_WIDGET (window));
275 g_signal_emit (window, signals[CLOSED], 0);
279 ev_annotation_window_init (EvAnnotationWindow *window)
281 GtkWidget *vbox, *hbox;
285 gtk_widget_set_can_focus (GTK_WIDGET (window), TRUE);
287 vbox = gtk_vbox_new (FALSE, 0);
290 hbox = gtk_hbox_new (FALSE, 0);
292 icon = gtk_image_new (); /* FIXME: use the annot icon */
293 gtk_box_pack_start (GTK_BOX (hbox), icon, FALSE, FALSE, 0);
294 gtk_widget_show (icon);
296 window->title = gtk_label_new (NULL);
297 gtk_box_pack_start (GTK_BOX (hbox), window->title, TRUE, TRUE, 0);
298 gtk_widget_show (window->title);
300 window->close_button = gtk_button_new ();
301 gtk_button_set_relief (GTK_BUTTON (window->close_button), GTK_RELIEF_NONE);
302 gtk_container_set_border_width (GTK_CONTAINER (window->close_button), 0);
303 g_signal_connect_swapped (window->close_button, "clicked",
304 G_CALLBACK (ev_annotation_window_close),
306 icon = gtk_image_new_from_stock (EV_STOCK_CLOSE, EV_ICON_SIZE_ANNOT_WINDOW);
307 gtk_container_add (GTK_CONTAINER (window->close_button), icon);
308 gtk_widget_show (icon);
310 gtk_box_pack_start (GTK_BOX (hbox), window->close_button, FALSE, FALSE, 0);
311 gtk_widget_show (window->close_button);
313 gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
314 gtk_widget_show (hbox);
317 swindow = gtk_scrolled_window_new (NULL, NULL);
318 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
319 GTK_POLICY_AUTOMATIC,
320 GTK_POLICY_AUTOMATIC);
321 window->text_view = gtk_text_view_new ();
322 gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (window->text_view), GTK_WRAP_WORD);
323 g_signal_connect (window->text_view, "button_press_event",
324 G_CALLBACK (text_view_button_press),
326 gtk_container_add (GTK_CONTAINER (swindow), window->text_view);
327 gtk_widget_show (window->text_view);
329 gtk_box_pack_start (GTK_BOX (vbox), swindow, TRUE, TRUE, 0);
330 gtk_widget_show (swindow);
333 hbox = gtk_hbox_new (FALSE, 0);
335 window->resize_sw = gtk_event_box_new ();
336 gtk_widget_add_events (window->resize_sw, GDK_BUTTON_PRESS_MASK);
337 g_signal_connect_swapped (window->resize_sw, "button-press-event",
338 G_CALLBACK (ev_annotation_window_resize),
340 g_signal_connect (window->resize_sw, "realize",
341 G_CALLBACK (ev_annotation_window_set_resize_cursor),
344 icon = gtk_image_new_from_stock (EV_STOCK_RESIZE_SW, EV_ICON_SIZE_ANNOT_WINDOW);
345 gtk_container_add (GTK_CONTAINER (window->resize_sw), icon);
346 gtk_widget_show (icon);
347 gtk_box_pack_start (GTK_BOX (hbox), window->resize_sw, FALSE, FALSE, 0);
348 gtk_widget_show (window->resize_sw);
350 window->resize_se = gtk_event_box_new ();
351 gtk_widget_add_events (window->resize_se, GDK_BUTTON_PRESS_MASK);
352 g_signal_connect_swapped (window->resize_se, "button-press-event",
353 G_CALLBACK (ev_annotation_window_resize),
355 g_signal_connect (window->resize_se, "realize",
356 G_CALLBACK (ev_annotation_window_set_resize_cursor),
359 icon = gtk_image_new_from_stock (EV_STOCK_RESIZE_SE, EV_ICON_SIZE_ANNOT_WINDOW);
360 gtk_container_add (GTK_CONTAINER (window->resize_se), icon);
361 gtk_widget_show (icon);
362 gtk_box_pack_end (GTK_BOX (hbox), window->resize_se, FALSE, FALSE, 0);
363 gtk_widget_show (window->resize_se);
365 gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
366 gtk_widget_show (hbox);
368 gtk_container_add (GTK_CONTAINER (window), vbox);
369 gtk_container_set_border_width (GTK_CONTAINER (window), 0);
370 gtk_widget_show (vbox);
372 gtk_widget_add_events (GTK_WIDGET (window),
373 GDK_BUTTON_PRESS_MASK |
375 gtk_widget_set_app_paintable (GTK_WIDGET (window), TRUE);
377 gtk_container_set_border_width (GTK_CONTAINER (window), 2);
379 gtk_window_set_accept_focus (GTK_WINDOW (window), TRUE);
380 gtk_window_set_decorated (GTK_WINDOW (window), FALSE);
381 gtk_window_set_skip_taskbar_hint (GTK_WINDOW (window), TRUE);
382 gtk_window_set_skip_pager_hint (GTK_WINDOW (window), TRUE);
383 gtk_window_set_resizable (GTK_WINDOW (window), TRUE);
387 ev_annotation_window_constructor (GType type,
388 guint n_construct_properties,
389 GObjectConstructParam *construct_params)
392 EvAnnotationWindow *window;
399 object = G_OBJECT_CLASS (ev_annotation_window_parent_class)->constructor (type,
400 n_construct_properties,
402 window = EV_ANNOTATION_WINDOW (object);
403 annot = window->annotation;
405 gtk_window_set_transient_for (GTK_WINDOW (window), window->parent);
406 gtk_window_set_destroy_with_parent (GTK_WINDOW (window), FALSE);
411 "is_open", &window->is_open,
412 "rectangle", &window->rect,
416 /* Rectangle is at doc resolution (72.0) */
417 scale = get_screen_dpi (window) / 72.0;
418 gtk_window_resize (GTK_WINDOW (window),
419 (gint)((rect->x2 - rect->x1) * scale),
420 (gint)((rect->y2 - rect->y1) * scale));
421 ev_annotation_window_set_color (window, &annot->color);
422 gtk_widget_set_name (GTK_WIDGET (window), annot->name);
423 gtk_window_set_title (GTK_WINDOW (window), label);
424 gtk_label_set_text (GTK_LABEL (window->title), label);
425 gtk_window_set_opacity (GTK_WINDOW (window), opacity);
428 if (annot->contents) {
429 GtkTextBuffer *buffer;
431 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (window->text_view));
432 gtk_text_buffer_set_text (buffer, annot->contents, -1);
439 ev_annotation_window_button_press_event (GtkWidget *widget,
440 GdkEventButton *event)
442 EvAnnotationWindow *window = EV_ANNOTATION_WINDOW (widget);
444 if (event->type == GDK_BUTTON_PRESS && event->button == 1) {
445 window->in_move = TRUE;
446 window->x = event->x;
447 window->y = event->y;
448 gtk_window_begin_move_drag (GTK_WINDOW (widget),
460 ev_annotation_window_configure_event (GtkWidget *widget,
461 GdkEventConfigure *event)
463 EvAnnotationWindow *window = EV_ANNOTATION_WINDOW (widget);
465 if (window->in_move &&
466 (window->x != event->x || window->y != event->y)) {
467 window->x = event->x;
468 window->y = event->y;
471 return GTK_WIDGET_CLASS (ev_annotation_window_parent_class)->configure_event (widget, event);
475 ev_annotation_window_focus_in_event (GtkWidget *widget,
476 GdkEventFocus *event)
478 EvAnnotationWindow *window = EV_ANNOTATION_WINDOW (widget);
480 if (window->in_move) {
481 window->orig_x = window->x;
482 window->orig_y = window->y;
489 ev_annotation_window_focus_out_event (GtkWidget *widget,
490 GdkEventFocus *event)
492 EvAnnotationWindow *window = EV_ANNOTATION_WINDOW (widget);
494 if (window->in_move &&
495 (window->orig_x != window->x || window->orig_y != window->y)) {
496 window->in_move = FALSE;
497 g_signal_emit (window, signals[MOVED], 0, window->x, window->y);
504 ev_annotation_window_class_init (EvAnnotationWindowClass *klass)
506 GObjectClass *g_object_class = G_OBJECT_CLASS (klass);
507 GtkWidgetClass *gtk_widget_class = GTK_WIDGET_CLASS (klass);
509 g_object_class->constructor = ev_annotation_window_constructor;
510 g_object_class->set_property = ev_annotation_window_set_property;
511 g_object_class->dispose = ev_annotation_window_dispose;
513 gtk_widget_class->button_press_event = ev_annotation_window_button_press_event;
514 gtk_widget_class->configure_event = ev_annotation_window_configure_event;
515 gtk_widget_class->focus_in_event = ev_annotation_window_focus_in_event;
516 gtk_widget_class->focus_out_event = ev_annotation_window_focus_out_event;
518 g_object_class_install_property (g_object_class,
520 g_param_spec_object ("annotation",
522 "The annotation associated to the window",
523 EV_TYPE_ANNOTATION_MARKUP,
525 G_PARAM_CONSTRUCT_ONLY));
526 g_object_class_install_property (g_object_class,
528 g_param_spec_object ("parent",
533 G_PARAM_CONSTRUCT_ONLY));
535 g_signal_new ("closed",
536 G_TYPE_FROM_CLASS (g_object_class),
537 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
538 G_STRUCT_OFFSET (EvAnnotationWindowClass, closed),
540 g_cclosure_marshal_VOID__VOID,
541 G_TYPE_NONE, 0, G_TYPE_NONE);
543 g_signal_new ("moved",
544 G_TYPE_FROM_CLASS (g_object_class),
545 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
546 G_STRUCT_OFFSET (EvAnnotationWindowClass, moved),
548 ev_view_marshal_VOID__INT_INT,
550 G_TYPE_INT, G_TYPE_INT);
555 ev_annotation_window_new (EvAnnotation *annot,
560 g_return_val_if_fail (EV_IS_ANNOTATION_MARKUP (annot), NULL);
561 g_return_val_if_fail (GTK_IS_WINDOW (parent), NULL);
563 window = g_object_new (EV_TYPE_ANNOTATION_WINDOW,
571 ev_annotation_window_get_annotation (EvAnnotationWindow *window)
573 g_return_val_if_fail (EV_IS_ANNOTATION_WINDOW (window), NULL);
575 return window->annotation;
579 ev_annotation_window_set_annotation (EvAnnotationWindow *window,
582 g_return_if_fail (EV_IS_ANNOTATION_WINDOW (window));
583 g_return_if_fail (EV_IS_ANNOTATION (annot));
585 if (annot == window->annotation)
588 g_object_unref (window->annotation);
589 window->annotation = g_object_ref (annot);
590 ev_annotation_window_check_contents_modified (window);
591 g_object_notify (G_OBJECT (window), "annotation");
595 ev_annotation_window_is_open (EvAnnotationWindow *window)
597 g_return_val_if_fail (EV_IS_ANNOTATION_WINDOW (window), FALSE);
599 return window->is_open;
603 ev_annotation_window_get_rectangle (EvAnnotationWindow *window)
605 g_return_val_if_fail (EV_IS_ANNOTATION_WINDOW (window), NULL);
611 ev_annotation_window_set_rectangle (EvAnnotationWindow *window,
614 g_return_if_fail (EV_IS_ANNOTATION_WINDOW (window));
615 g_return_if_fail (rect != NULL);
617 *window->rect = *rect;
621 ev_annotation_window_grab_focus (EvAnnotationWindow *window)
623 g_return_if_fail (EV_IS_ANNOTATION_WINDOW (window));
625 if (!gtk_widget_has_focus (window->text_view)) {
626 gtk_widget_grab_focus (GTK_WIDGET (window));
627 send_focus_change (window->text_view, TRUE);
632 ev_annotation_window_ungrab_focus (EvAnnotationWindow *window)
634 g_return_if_fail (EV_IS_ANNOTATION_WINDOW (window));
636 if (gtk_widget_has_focus (window->text_view)) {
637 send_focus_change (window->text_view, FALSE);
640 ev_annotation_window_check_contents_modified (window);