libview/ev-annotation-window.c

   1 /* ev-annotation-window.c
   2  *  this file is part of evince, a gnome document viewer
   3  *
   4  * Copyright (C) 2009 Carlos Garcia Campos <carlosgc@gnome.org>
   5  * Copyright (C) 2007 Iñigo Martinez <inigomartinez@gmail.com>
   6  *
   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.
  11  *
  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.
  16  *
  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.
  20  */
  21
  22 #include "config.h"
  23
  24 #include <string.h>
  25
  26 #include "ev-annotation-window.h"
  27 #include "ev-stock-icons.h"
  28 #include "ev-view-marshal.h"
  29 #include "ev-document-misc.h"
  30
  31 enum {
  32         PROP_0,
  33         PROP_ANNOTATION,
  34         PROP_PARENT
  35 };
  36
  37 enum {
  38         CLOSED,
  39         MOVED,
  40         N_SIGNALS
  41 };
  42
  43 struct _EvAnnotationWindow {
  44         GtkWindow     base_instance;
  45
  46         EvAnnotation *annotation;
  47         GtkWindow    *parent;
  48
  49         GtkWidget    *title;
  50         GtkWidget    *close_button;
  51         GtkWidget    *text_view;
  52         GtkWidget    *resize_se;
  53         GtkWidget    *resize_sw;
  54
  55         gboolean      is_open;
  56         EvRectangle   rect;
  57
  58         gboolean      in_move;
  59         gint          x;
  60         gint          y;
  61         gint          orig_x;
  62         gint          orig_y;
  63 };
  64
  65 struct _EvAnnotationWindowClass {
  66         GtkWindowClass base_class;
  67
  68         void (* closed) (EvAnnotationWindow *window);
  69         void (* moved)  (EvAnnotationWindow *window,
  70                          gint                x,
  71                          gint                y);
  72 };
  73
  74 static guint signals[N_SIGNALS];
  75
  76 G_DEFINE_TYPE (EvAnnotationWindow, ev_annotation_window, GTK_TYPE_WINDOW)
  77
  78 #define EV_ICON_SIZE_ANNOT_WINDOW (ev_annotation_window_get_icon_size())
  79
  80 /* Cut and paste from gtkwindow.c */
  81 static void
  82 send_focus_change (GtkWidget *widget,
  83                    gboolean   in)
  84 {
  85         GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
  86
  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);
  92
  93         gtk_widget_send_focus_change (widget, fevent);
  94
  95         gdk_event_free (fevent);
  96 }
  97
  98 static gdouble
  99 get_screen_dpi (EvAnnotationWindow *window)
 100 {
 101         GdkScreen *screen;
 102
 103         screen = gtk_window_get_screen (GTK_WINDOW (window));
 104         return ev_document_misc_get_screen_dpi (screen);
 105 }
 106
 107 static GtkIconSize
 108 ev_annotation_window_get_icon_size (void)
 109 {
 110         static GtkIconSize icon_size = 0;
 111
 112         if (G_UNLIKELY (icon_size == 0))
 113                 icon_size = gtk_icon_size_register ("ev-icon-size-annot-window", 8, 8);
 114
 115         return icon_size;
 116 }
 117
 118 static void
 119 ev_annotation_window_sync_contents (EvAnnotationWindow *window)
 120 {
 121         gchar         *contents;
 122         GtkTextIter    start, end;
 123         GtkTextBuffer *buffer;
 124         EvAnnotation  *annot = window->annotation;
 125
 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);
 129         ev_annotation_set_contents (annot, contents);
 130         g_free (contents);
 131 }
 132
 133 static void
 134 ev_annotation_window_set_color (EvAnnotationWindow *window,
 135                                 GdkColor           *color)
 136 {
 137         GtkRcStyle *rc_style;
 138         GdkColor    gcolor;
 139
 140         gcolor = *color;
 141
 142         /* Allocate these colors */
 143         gdk_colormap_alloc_color (gtk_widget_get_colormap (GTK_WIDGET (window)),
 144                                   &gcolor, FALSE, TRUE);
 145
 146         /* Apply colors to style */
 147         rc_style = gtk_widget_get_modifier_style (GTK_WIDGET (window));
 148         rc_style->base[GTK_STATE_NORMAL] = gcolor;
 149         rc_style->bg[GTK_STATE_PRELIGHT] = gcolor;
 150         rc_style->bg[GTK_STATE_NORMAL] = gcolor;
 151         rc_style->bg[GTK_STATE_ACTIVE] = gcolor;
 152         rc_style->color_flags[GTK_STATE_PRELIGHT] = GTK_RC_BG;
 153         rc_style->color_flags[GTK_STATE_NORMAL] = GTK_RC_BG | GTK_RC_BASE;
 154         rc_style->color_flags[GTK_STATE_ACTIVE] = GTK_RC_BG;
 155
 156         /* Apply the style to the widgets */
 157         g_object_ref (rc_style);
 158         gtk_widget_modify_style (GTK_WIDGET (window), rc_style);
 159         gtk_widget_modify_style (window->close_button, rc_style);
 160         gtk_widget_modify_style (window->resize_se, rc_style);
 161         gtk_widget_modify_style (window->resize_sw, rc_style);
 162         g_object_unref (rc_style);
 163 }
 164
 165 static void
 166 ev_annotation_window_label_changed (EvAnnotationMarkup *annot,
 167                                     GParamSpec         *pspec,
 168                                     EvAnnotationWindow *window)
 169 {
 170         const gchar *label = ev_annotation_markup_get_label (annot);
 171
 172         gtk_window_set_title (GTK_WINDOW (window), label);
 173         gtk_label_set_text (GTK_LABEL (window->title), label);
 174 }
 175
 176 static void
 177 ev_annotation_window_color_changed (EvAnnotation       *annot,
 178                                     GParamSpec         *pspec,
 179                                     EvAnnotationWindow *window)
 180 {
 181         GdkColor color;
 182
 183         ev_annotation_get_color (annot, &color);
 184         ev_annotation_window_set_color (window, &color);
 185 }
 186
 187 static void
 188 ev_annotation_window_dispose (GObject *object)
 189 {
 190         EvAnnotationWindow *window = EV_ANNOTATION_WINDOW (object);
 191
 192         if (window->annotation) {
 193                 ev_annotation_window_sync_contents (window);
 194                 g_object_unref (window->annotation);
 195                 window->annotation = NULL;
 196         }
 197
 198         (* G_OBJECT_CLASS (ev_annotation_window_parent_class)->dispose) (object);
 199 }
 200
 201 static void
 202 ev_annotation_window_set_property (GObject      *object,
 203                                    guint         prop_id,
 204                                    const GValue *value,
 205                                    GParamSpec   *pspec)
 206 {
 207         EvAnnotationWindow *window = EV_ANNOTATION_WINDOW (object);
 208
 209         switch (prop_id) {
 210         case PROP_ANNOTATION:
 211                 window->annotation = g_value_dup_object (value);
 212                 break;
 213         case PROP_PARENT:
 214                 window->parent = g_value_get_object (value);
 215                 break;
 216         default:
 217                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 218         }
 219 }
 220
 221 static gboolean
 222 ev_annotation_window_resize (EvAnnotationWindow *window,
 223                              GdkEventButton     *event,
 224                              GtkWidget          *ebox)
 225 {
 226         if (event->type == GDK_BUTTON_PRESS && event->button == 1) {
 227                 gtk_window_begin_resize_drag (GTK_WINDOW (window),
 228                                               window->resize_sw == ebox ?
 229                                               GDK_WINDOW_EDGE_SOUTH_WEST :
 230                                               GDK_WINDOW_EDGE_SOUTH_EAST,
 231                                               event->button, event->x_root,
 232                                               event->y_root, event->time);
 233                 return TRUE;
 234         }
 235
 236         return FALSE;
 237 }
 238
 239 static void
 240 ev_annotation_window_set_resize_cursor (GtkWidget          *widget,
 241                                         EvAnnotationWindow *window)
 242 {
 243         GdkWindow *gdk_window = gtk_widget_get_window (widget);
 244
 245         if (!gdk_window)
 246                 return;
 247
 248         if (gtk_widget_is_sensitive (widget)) {
 249                 GdkDisplay *display = gtk_widget_get_display (widget);
 250                 GdkCursor  *cursor;
 251
 252                 cursor = gdk_cursor_new_for_display (display,
 253                                                      widget == window->resize_sw ?
 254                                                      GDK_BOTTOM_LEFT_CORNER :
 255                                                      GDK_BOTTOM_RIGHT_CORNER);
 256                 gdk_window_set_cursor (gdk_window, cursor);
 257                 gdk_cursor_unref (cursor);
 258         } else {
 259                 gdk_window_set_cursor (gdk_window, NULL);
 260         }
 261 }
 262
 263 static gboolean
 264 text_view_button_press (GtkWidget          *widget,
 265                         GdkEventButton     *event,
 266                         EvAnnotationWindow *window)
 267 {
 268         ev_annotation_window_grab_focus (window);
 269
 270         return FALSE;
 271 }
 272
 273 static void
 274 ev_annotation_window_close (EvAnnotationWindow *window)
 275 {
 276         gtk_widget_hide (GTK_WIDGET (window));
 277         g_signal_emit (window, signals[CLOSED], 0);
 278 }
 279
 280 static void
 281 ev_annotation_window_init (EvAnnotationWindow *window)
 282 {
 283         GtkWidget *vbox, *hbox;
 284         GtkWidget *icon;
 285         GtkWidget *swindow;
 286
 287         gtk_widget_set_can_focus (GTK_WIDGET (window), TRUE);
 288
 289         vbox = gtk_vbox_new (FALSE, 0);
 290
 291         /* Title bar */
 292         hbox = gtk_hbox_new (FALSE, 0);
 293
 294         icon = gtk_image_new (); /* FIXME: use the annot icon */
 295         gtk_box_pack_start (GTK_BOX (hbox), icon, FALSE, FALSE, 0);
 296         gtk_widget_show (icon);
 297
 298         window->title = gtk_label_new (NULL);
 299         gtk_box_pack_start (GTK_BOX (hbox), window->title, TRUE, TRUE, 0);
 300         gtk_widget_show (window->title);
 301
 302         window->close_button = gtk_button_new ();
 303         gtk_button_set_relief (GTK_BUTTON (window->close_button), GTK_RELIEF_NONE);
 304         gtk_container_set_border_width (GTK_CONTAINER (window->close_button), 0);
 305         g_signal_connect_swapped (window->close_button, "clicked",
 306                                   G_CALLBACK (ev_annotation_window_close),
 307                                   window);
 308         icon = gtk_image_new_from_stock (EV_STOCK_CLOSE, EV_ICON_SIZE_ANNOT_WINDOW);
 309         gtk_container_add (GTK_CONTAINER (window->close_button), icon);
 310         gtk_widget_show (icon);
 311
 312         gtk_box_pack_start (GTK_BOX (hbox), window->close_button, FALSE, FALSE, 0);
 313         gtk_widget_show (window->close_button);
 314
 315         gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
 316         gtk_widget_show (hbox);
 317
 318         /* Contents */
 319         swindow = gtk_scrolled_window_new (NULL, NULL);
 320         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
 321                                         GTK_POLICY_AUTOMATIC,
 322                                         GTK_POLICY_AUTOMATIC);
 323         window->text_view = gtk_text_view_new ();
 324         gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (window->text_view), GTK_WRAP_WORD);
 325         g_signal_connect (window->text_view, "button_press_event",
 326                           G_CALLBACK (text_view_button_press),
 327                           window);
 328         gtk_container_add (GTK_CONTAINER (swindow), window->text_view);
 329         gtk_widget_show (window->text_view);
 330
 331         gtk_box_pack_start (GTK_BOX (vbox), swindow, TRUE, TRUE, 0);
 332         gtk_widget_show (swindow);
 333
 334         /* Resize bar */
 335         hbox = gtk_hbox_new (FALSE, 0);
 336
 337         window->resize_sw = gtk_event_box_new ();
 338         gtk_widget_add_events (window->resize_sw, GDK_BUTTON_PRESS_MASK);
 339         g_signal_connect_swapped (window->resize_sw, "button-press-event",
 340                                   G_CALLBACK (ev_annotation_window_resize),
 341                                   window);
 342         g_signal_connect (window->resize_sw, "realize",
 343                           G_CALLBACK (ev_annotation_window_set_resize_cursor),
 344                           window);
 345
 346         icon = gtk_image_new_from_stock (EV_STOCK_RESIZE_SW, EV_ICON_SIZE_ANNOT_WINDOW);
 347         gtk_container_add (GTK_CONTAINER (window->resize_sw), icon);
 348         gtk_widget_show (icon);
 349         gtk_box_pack_start (GTK_BOX (hbox), window->resize_sw, FALSE, FALSE, 0);
 350         gtk_widget_show (window->resize_sw);
 351
 352         window->resize_se = gtk_event_box_new ();
 353         gtk_widget_add_events (window->resize_se, GDK_BUTTON_PRESS_MASK);
 354         g_signal_connect_swapped (window->resize_se, "button-press-event",
 355                                   G_CALLBACK (ev_annotation_window_resize),
 356                                   window);
 357         g_signal_connect (window->resize_se, "realize",
 358                           G_CALLBACK (ev_annotation_window_set_resize_cursor),
 359                           window);
 360
 361         icon = gtk_image_new_from_stock (EV_STOCK_RESIZE_SE, EV_ICON_SIZE_ANNOT_WINDOW);
 362         gtk_container_add (GTK_CONTAINER (window->resize_se), icon);
 363         gtk_widget_show (icon);
 364         gtk_box_pack_end (GTK_BOX (hbox), window->resize_se, FALSE, FALSE, 0);
 365         gtk_widget_show (window->resize_se);
 366
 367         gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
 368         gtk_widget_show (hbox);
 369
 370         gtk_container_add (GTK_CONTAINER (window), vbox);
 371         gtk_container_set_border_width (GTK_CONTAINER (window), 0);
 372         gtk_widget_show (vbox);
 373
 374         gtk_widget_add_events (GTK_WIDGET (window),
 375                                GDK_BUTTON_PRESS_MASK |
 376                                GDK_KEY_PRESS_MASK);
 377         gtk_widget_set_app_paintable (GTK_WIDGET (window), TRUE);
 378
 379         gtk_container_set_border_width (GTK_CONTAINER (window), 2);
 380
 381         gtk_window_set_accept_focus (GTK_WINDOW (window), TRUE);
 382         gtk_window_set_decorated (GTK_WINDOW (window), FALSE);
 383         gtk_window_set_skip_taskbar_hint (GTK_WINDOW (window), TRUE);
 384         gtk_window_set_skip_pager_hint (GTK_WINDOW (window), TRUE);
 385         gtk_window_set_resizable (GTK_WINDOW (window), TRUE);
 386 }
 387
 388 static GObject *
 389 ev_annotation_window_constructor (GType                  type,
 390                                   guint                  n_construct_properties,
 391                                   GObjectConstructParam *construct_params)
 392 {
 393         GObject            *object;
 394         EvAnnotationWindow *window;
 395         EvAnnotation       *annot;
 396         EvAnnotationMarkup *markup;
 397         const gchar        *contents;
 398         const gchar        *label;
 399         GdkColor            color;
 400         EvRectangle        *rect;
 401         gdouble             scale;
 402
 403         object = G_OBJECT_CLASS (ev_annotation_window_parent_class)->constructor (type,
 404                                                                                   n_construct_properties,
 405                                                                                   construct_params);
 406         window = EV_ANNOTATION_WINDOW (object);
 407         annot = window->annotation;
 408         markup = EV_ANNOTATION_MARKUP (annot);
 409
 410         gtk_window_set_transient_for (GTK_WINDOW (window), window->parent);
 411         gtk_window_set_destroy_with_parent (GTK_WINDOW (window), FALSE);
 412
 413         label = ev_annotation_markup_get_label (markup);
 414         window->is_open = ev_annotation_markup_get_popup_is_open (markup);
 415         ev_annotation_markup_get_rectangle (markup, &window->rect);
 416
 417         rect = &window->rect;
 418
 419         /* Rectangle is at doc resolution (72.0) */
 420         scale = get_screen_dpi (window) / 72.0;
 421         gtk_window_resize (GTK_WINDOW (window),
 422                            (gint)((rect->x2 - rect->x1) * scale),
 423                            (gint)((rect->y2 - rect->y1) * scale));
 424
 425         ev_annotation_get_color (annot, &color);
 426         ev_annotation_window_set_color (window, &color);
 427         gtk_widget_set_name (GTK_WIDGET (window), ev_annotation_get_name (annot));
 428         gtk_window_set_title (GTK_WINDOW (window), label);
 429         gtk_label_set_text (GTK_LABEL (window->title), label);
 430
 431         contents = ev_annotation_get_contents (annot);
 432         if (contents) {
 433                 GtkTextBuffer *buffer;
 434
 435                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (window->text_view));
 436                 gtk_text_buffer_set_text (buffer, contents, -1);
 437         }
 438
 439         g_signal_connect (annot, "notify::label",
 440                           G_CALLBACK (ev_annotation_window_label_changed),
 441                           window);
 442         g_signal_connect (annot, "notify::color",
 443                           G_CALLBACK (ev_annotation_window_color_changed),
 444                           window);
 445
 446         return object;
 447 }
 448
 449 static gboolean
 450 ev_annotation_window_button_press_event (GtkWidget      *widget,
 451                                          GdkEventButton *event)
 452 {
 453         EvAnnotationWindow *window = EV_ANNOTATION_WINDOW (widget);
 454
 455         if (event->type == GDK_BUTTON_PRESS && event->button == 1) {
 456                 window->in_move = TRUE;
 457                 window->x = event->x;
 458                 window->y = event->y;
 459                 gtk_window_begin_move_drag (GTK_WINDOW (widget),
 460                                             event->button,
 461                                             event->x_root,
 462                                             event->y_root,
 463                                             event->time);
 464                 return TRUE;
 465         }
 466
 467         return FALSE;
 468 }
 469
 470 static gboolean
 471 ev_annotation_window_configure_event (GtkWidget         *widget,
 472                                       GdkEventConfigure *event)
 473 {
 474         EvAnnotationWindow *window = EV_ANNOTATION_WINDOW (widget);
 475
 476         if (window->in_move &&
 477             (window->x != event->x || window->y != event->y)) {
 478                 window->x = event->x;
 479                 window->y = event->y;
 480         }
 481
 482         return GTK_WIDGET_CLASS (ev_annotation_window_parent_class)->configure_event (widget, event);
 483 }
 484
 485 static gboolean
 486 ev_annotation_window_focus_in_event (GtkWidget     *widget,
 487                                      GdkEventFocus *event)
 488 {
 489         EvAnnotationWindow *window = EV_ANNOTATION_WINDOW (widget);
 490
 491         if (window->in_move) {
 492                 if (window->orig_x != window->x || window->orig_y != window->y) {
 493                         window->orig_x = window->x;
 494                         window->orig_y = window->y;
 495                         g_signal_emit (window, signals[MOVED], 0, window->x, window->y);
 496                 }
 497                 window->in_move = FALSE;
 498         }
 499
 500         return FALSE;
 501 }
 502
 503 static gboolean
 504 ev_annotation_window_focus_out_event (GtkWidget     *widget,
 505                                       GdkEventFocus *event)
 506 {
 507         EvAnnotationWindow *window = EV_ANNOTATION_WINDOW (widget);
 508
 509         ev_annotation_window_sync_contents (window);
 510
 511         return FALSE;
 512 }
 513
 514 static void
 515 ev_annotation_window_class_init (EvAnnotationWindowClass *klass)
 516 {
 517         GObjectClass   *g_object_class = G_OBJECT_CLASS (klass);
 518         GtkWidgetClass *gtk_widget_class = GTK_WIDGET_CLASS (klass);
 519
 520         g_object_class->constructor = ev_annotation_window_constructor;
 521         g_object_class->set_property = ev_annotation_window_set_property;
 522         g_object_class->dispose = ev_annotation_window_dispose;
 523
 524         gtk_widget_class->button_press_event = ev_annotation_window_button_press_event;
 525         gtk_widget_class->configure_event = ev_annotation_window_configure_event;
 526         gtk_widget_class->focus_in_event = ev_annotation_window_focus_in_event;
 527         gtk_widget_class->focus_out_event = ev_annotation_window_focus_out_event;
 528
 529         g_object_class_install_property (g_object_class,
 530                                          PROP_ANNOTATION,
 531                                          g_param_spec_object ("annotation",
 532                                                               "Annotation",
 533                                                               "The annotation associated to the window",
 534                                                               EV_TYPE_ANNOTATION_MARKUP,
 535                                                               G_PARAM_WRITABLE |
 536                                                               G_PARAM_CONSTRUCT_ONLY));
 537         g_object_class_install_property (g_object_class,
 538                                          PROP_PARENT,
 539                                          g_param_spec_object ("parent",
 540                                                               "Parent",
 541                                                               "The parent window",
 542                                                               GTK_TYPE_WINDOW,
 543                                                               G_PARAM_WRITABLE |
 544                                                               G_PARAM_CONSTRUCT_ONLY));
 545         signals[CLOSED] =
 546                 g_signal_new ("closed",
 547                               G_TYPE_FROM_CLASS (g_object_class),
 548                               G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
 549                               G_STRUCT_OFFSET (EvAnnotationWindowClass, closed),
 550                               NULL, NULL,
 551                               g_cclosure_marshal_VOID__VOID,
 552                               G_TYPE_NONE, 0, G_TYPE_NONE);
 553         signals[MOVED] =
 554                 g_signal_new ("moved",
 555                               G_TYPE_FROM_CLASS (g_object_class),
 556                               G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
 557                               G_STRUCT_OFFSET (EvAnnotationWindowClass, moved),
 558                               NULL, NULL,
 559                               ev_view_marshal_VOID__INT_INT,
 560                               G_TYPE_NONE, 2,
 561                               G_TYPE_INT, G_TYPE_INT);
 562 }
 563
 564 /* Public methods */
 565 GtkWidget *
 566 ev_annotation_window_new (EvAnnotation *annot,
 567                           GtkWindow    *parent)
 568 {
 569         GtkWidget *window;
 570
 571         g_return_val_if_fail (EV_IS_ANNOTATION_MARKUP (annot), NULL);
 572         g_return_val_if_fail (GTK_IS_WINDOW (parent), NULL);
 573
 574         window = g_object_new (EV_TYPE_ANNOTATION_WINDOW,
 575                                "annotation", annot,
 576                                "parent", parent,
 577                                NULL);
 578         return window;
 579 }
 580
 581 EvAnnotation *
 582 ev_annotation_window_get_annotation (EvAnnotationWindow *window)
 583 {
 584         g_return_val_if_fail (EV_IS_ANNOTATION_WINDOW (window), NULL);
 585
 586         return window->annotation;
 587 }
 588
 589 void
 590 ev_annotation_window_set_annotation (EvAnnotationWindow *window,
 591                                      EvAnnotation       *annot)
 592 {
 593         g_return_if_fail (EV_IS_ANNOTATION_WINDOW (window));
 594         g_return_if_fail (EV_IS_ANNOTATION (annot));
 595
 596         if (annot == window->annotation)
 597                 return;
 598
 599         g_object_unref (window->annotation);
 600         window->annotation = g_object_ref (annot);
 601         ev_annotation_window_sync_contents (window);
 602         g_object_notify (G_OBJECT (window), "annotation");
 603 }
 604
 605 gboolean
 606 ev_annotation_window_is_open (EvAnnotationWindow *window)
 607 {
 608         g_return_val_if_fail (EV_IS_ANNOTATION_WINDOW (window), FALSE);
 609
 610         return window->is_open;
 611 }
 612
 613 void
 614 ev_annotation_window_get_rectangle (EvAnnotationWindow *window,
 615                                     EvRectangle        *rect)
 616 {
 617         g_return_if_fail (EV_IS_ANNOTATION_WINDOW (window));
 618         g_return_if_fail (rect != NULL);
 619
 620         *rect = window->rect;
 621 }
 622
 623 void
 624 ev_annotation_window_set_rectangle (EvAnnotationWindow *window,
 625                                     const EvRectangle  *rect)
 626 {
 627         g_return_if_fail (EV_IS_ANNOTATION_WINDOW (window));
 628         g_return_if_fail (rect != NULL);
 629
 630         window->rect = *rect;
 631 }
 632
 633 void
 634 ev_annotation_window_grab_focus (EvAnnotationWindow *window)
 635 {
 636         g_return_if_fail (EV_IS_ANNOTATION_WINDOW (window));
 637
 638         if (!gtk_widget_has_focus (window->text_view)) {
 639                 gtk_widget_grab_focus (GTK_WIDGET (window));
 640                 send_focus_change (window->text_view, TRUE);
 641         }
 642 }
 643
 644 void
 645 ev_annotation_window_ungrab_focus (EvAnnotationWindow *window)
 646 {
 647         g_return_if_fail (EV_IS_ANNOTATION_WINDOW (window));
 648
 649         if (gtk_widget_has_focus (window->text_view)) {
 650                 send_focus_change (window->text_view, FALSE);
 651         }
 652
 653         ev_annotation_window_sync_contents (window);
 654 }