git.sur5r.net Git - glabels/blob - glabels2/src/window.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2
   3 /**
   4  *  (GLABELS) Label and Business Card Creation program for GNOME
   5  *
   6  *  window.c:  a gLabels app window
   7  *
   8  *  Copyright (C) 2002  Jim Evins <evins@snaught.com>.
   9  *
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 2 of the License, or
  13  *  (at your option) any later version.
  14  *
  15  *  This program is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU General Public License for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License
  21  *  along with this program; if not, write to the Free Software
  22  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  23  */
  24
  25 #include <config.h>
  26
  27 #include "window.h"
  28
  29 #include <glib/gi18n.h>
  30 #include <gtk/gtkvbox.h>
  31 #include <gtk/gtkhbox.h>
  32 #include <gtk/gtklabel.h>
  33 #include <gtk/gtkframe.h>
  34
  35 #include "ui.h"
  36 #include "ui-commands.h"
  37 #include "util.h"
  38 #include "xml-label.h"
  39 #include "prefs.h"
  40 #include "file.h"
  41 #include "recent.h"
  42
  43 #include "debug.h"
  44
  45 /*============================================================================*/
  46 /* Private macros and constants.                                              */
  47 /*============================================================================*/
  48
  49 #define DEFAULT_WINDOW_WIDTH  788
  50 #define DEFAULT_WINDOW_HEIGHT 600
  51
  52 #define CURSOR_INFO_WIDTH     150
  53 #define ZOOM_INFO_WIDTH        50
  54
  55 /*============================================================================*/
  56 /* Private globals                                                            */
  57 /*============================================================================*/
  58 static GtkWindowClass *parent_class;
  59
  60 static GList *window_list = NULL;
  61
  62
  63 /*============================================================================*/
  64 /* Local function prototypes                                                  */
  65 /*============================================================================*/
  66
  67 static void     gl_window_class_init   (glWindowClass *class);
  68 static void     gl_window_init         (glWindow      *window);
  69 static void     gl_window_finalize     (GObject       *object);
  70 static void     gl_window_destroy      (GtkObject     *gtk_object);
  71
  72 static void     set_window_title       (glWindow *window,
  73                                         glLabel  *label);
  74
  75 static gboolean window_delete_event_cb (glWindow      *window,
  76                                         GdkEvent      *event,
  77                                         gpointer       user_data);
  78
  79 static void     selection_changed_cb   (glView        *view,
  80                                         glWindow      *window);
  81
  82 static void     zoom_changed_cb        (glView        *view,
  83                                         gdouble        zoom,
  84                                         glWindow      *window);
  85
  86 static void     pointer_moved_cb       (glView        *view,
  87                                         gdouble        x,
  88                                         gdouble        y,
  89                                         glWindow      *window);
  90
  91 static void     pointer_exit_cb        (glView        *view,
  92                                         glWindow      *window);
  93
  94 static void     name_changed_cb        (glLabel       *label,
  95                                         glWindow      *window);
  96
  97 static void     modified_changed_cb    (glLabel       *label,
  98                                         glWindow      *window);
  99
 100 static char    *recent_tooltip_func    (EggRecentItem *item,
 101                                         gpointer       user_data);
 102
 103 \f
 104 /****************************************************************************/
 105 /* Boilerplate Object stuff.                                                */
 106 /****************************************************************************/
 107 GType
 108 gl_window_get_type (void)
 109 {
 110         static GType type = 0;
 111
 112         if (!type) {
 113                 static const GTypeInfo info = {
 114                         sizeof (glWindowClass),
 115                         NULL,
 116                         NULL,
 117                         (GClassInitFunc) gl_window_class_init,
 118                         NULL,
 119                         NULL,
 120                         sizeof (glWindow),
 121                         0,
 122                         (GInstanceInitFunc) gl_window_init,
 123                         NULL
 124                 };
 125
 126                 type = g_type_register_static (GTK_TYPE_WINDOW,
 127                                                "glWindow", &info, 0);
 128         }
 129
 130         return type;
 131 }
 132
 133 static void
 134 gl_window_class_init (glWindowClass *class)
 135 {
 136         GObjectClass   *object_class     = (GObjectClass *) class;
 137         GtkObjectClass *gtk_object_class = (GtkObjectClass *) class;
 138
 139         gl_debug (DEBUG_WINDOW, "START");
 140
 141         parent_class = g_type_class_peek_parent (class);
 142
 143         object_class->finalize = gl_window_finalize;
 144
 145         gtk_object_class->destroy = gl_window_destroy;
 146
 147         gl_debug (DEBUG_WINDOW, "END");
 148 }
 149
 150 static void
 151 gl_window_init (glWindow *window)
 152 {
 153         GtkWidget        *vbox1;
 154         GtkUIManager     *ui;
 155         GtkWidget        *status_hbox;
 156
 157         gl_debug (DEBUG_WINDOW, "START");
 158
 159         vbox1 = gtk_vbox_new (FALSE, 0);
 160         gtk_container_add (GTK_CONTAINER (window), vbox1);
 161
 162         window->ui = ui = gl_ui_new (GTK_WINDOW (window));
 163         gtk_box_pack_start (GTK_BOX (vbox1),
 164                             gtk_ui_manager_get_widget (ui, "/MenuBar"),
 165                             FALSE, FALSE, 0);
 166         gtk_box_pack_start (GTK_BOX (vbox1),
 167                             gtk_ui_manager_get_widget (ui, "/MainToolBar"),
 168                             FALSE, FALSE, 0);
 169         gtk_box_pack_start (GTK_BOX (vbox1),
 170                             gtk_ui_manager_get_widget (ui, "/DrawingToolBar"),
 171                             FALSE, FALSE, 0);
 172
 173         /* add an eggRecentView */
 174         window->recent_view  =
 175                 egg_recent_view_uimanager_new (ui,
 176                                                "/ui/MenuBar/FileMenu/FileRecentsMenu/FileRecentsPlaceHolder",
 177                                                G_CALLBACK (gl_ui_cmd_file_open_recent),
 178                                                window);
 179         egg_recent_view_uimanager_show_icons (window->recent_view, FALSE);
 180         egg_recent_view_uimanager_set_tooltip_func (window->recent_view,
 181                                                     recent_tooltip_func,
 182                                                     NULL);
 183         egg_recent_view_set_model (EGG_RECENT_VIEW (window->recent_view),
 184                                    gl_recent_get_model ());
 185
 186
 187         window->hbox = gtk_hbox_new (FALSE, 0);
 188         gtk_box_pack_start (GTK_BOX (vbox1), window->hbox, TRUE, TRUE, 0);
 189
 190         window->sidebar = GL_UI_SIDEBAR (gl_ui_sidebar_new ());
 191         gtk_box_pack_end (GTK_BOX (window->hbox), GTK_WIDGET (window->sidebar), FALSE, FALSE, 0);
 192
 193         window->property_bar = GL_UI_PROPERTY_BAR (gl_ui_property_bar_new ());
 194         gtk_box_pack_start (GTK_BOX (vbox1), GTK_WIDGET (window->property_bar), FALSE, FALSE, 0);
 195
 196         status_hbox = gtk_hbox_new (FALSE, 0);
 197         gtk_box_pack_start (GTK_BOX (vbox1), status_hbox, FALSE, FALSE, 0);
 198
 199         window->zoom_info = gtk_label_new (NULL);
 200         gtk_widget_set_size_request (window->zoom_info, ZOOM_INFO_WIDTH, -1);
 201         window->zoom_info_frame = gtk_frame_new (NULL);
 202         gtk_frame_set_shadow_type (GTK_FRAME(window->zoom_info_frame), GTK_SHADOW_IN);
 203         gtk_container_add (GTK_CONTAINER(window->zoom_info_frame), window->zoom_info);
 204         gtk_widget_show_all (window->zoom_info_frame);
 205         gtk_box_pack_end (GTK_BOX (status_hbox),
 206                           window->zoom_info_frame,
 207                           FALSE, FALSE, 0);
 208
 209         window->cursor_info = gtk_label_new (NULL);
 210         gtk_widget_set_size_request (window->cursor_info, CURSOR_INFO_WIDTH, -1);
 211         window->cursor_info_frame = gtk_frame_new (NULL);
 212         gtk_frame_set_shadow_type (GTK_FRAME(window->cursor_info_frame), GTK_SHADOW_IN);
 213         gtk_container_add (GTK_CONTAINER(window->cursor_info_frame), window->cursor_info);
 214         gtk_widget_show_all (window->cursor_info_frame);
 215         gtk_box_pack_end (GTK_BOX (status_hbox),
 216                           window->cursor_info_frame,
 217                           FALSE, FALSE, 0);
 218
 219         gtk_window_set_default_size (GTK_WINDOW (window),
 220                                      DEFAULT_WINDOW_WIDTH,
 221                                      DEFAULT_WINDOW_HEIGHT);
 222
 223         g_signal_connect (G_OBJECT(window), "delete-event",
 224                           G_CALLBACK(window_delete_event_cb), NULL);
 225
 226         window->view = NULL;
 227
 228         window_list = g_list_append (window_list, window);
 229
 230         gl_debug (DEBUG_WINDOW, "END");
 231 }
 232
 233 static void
 234 gl_window_finalize (GObject *object)
 235 {
 236         glWindow *window;
 237
 238         gl_debug (DEBUG_WINDOW, "START");
 239
 240         g_return_if_fail (object != NULL);
 241         g_return_if_fail (GL_IS_WINDOW (object));
 242
 243         window = GL_WINDOW (object);
 244
 245         G_OBJECT_CLASS (parent_class)->finalize (object);
 246
 247         gl_debug (DEBUG_WINDOW, "END");
 248 }
 249
 250 static void
 251 gl_window_destroy (GtkObject *gtk_object)
 252 {
 253         glWindow *window;
 254
 255         gl_debug (DEBUG_WINDOW, "START");
 256
 257         g_return_if_fail (gtk_object != NULL);
 258         g_return_if_fail (GL_IS_WINDOW (gtk_object));
 259
 260         window = GL_WINDOW (gtk_object);
 261         window_list = g_list_remove (window_list, window);
 262
 263         if (window->recent_view) {
 264                 g_object_unref (window->recent_view);
 265                 window->recent_view = NULL;
 266         }
 267
 268         if (window->ui) {
 269                 gl_ui_unref(window->ui);
 270                 window->ui = NULL;
 271         }
 272
 273         if (GTK_OBJECT_CLASS (parent_class)->destroy) {
 274                 GTK_OBJECT_CLASS (parent_class)->destroy (gtk_object);
 275         }
 276
 277         gl_debug (DEBUG_WINDOW, "END");
 278 }
 279
 280
 281 /****************************************************************************/
 282 /* Create an app window.                                                    */
 283 /****************************************************************************/
 284 GtkWidget *
 285 gl_window_new (void)
 286 {
 287         glWindow *window;
 288
 289         gl_debug (DEBUG_WINDOW, "START");
 290
 291         window = g_object_new (GL_TYPE_WINDOW,
 292                                "title",    _("(none) - gLabels"),
 293                                NULL);
 294
 295         gl_debug (DEBUG_WINDOW, "window=%p", window);
 296         gl_debug (DEBUG_WINDOW, "view=%p", window->view);
 297
 298         gl_debug (DEBUG_WINDOW, "END");
 299
 300         return GTK_WIDGET(window);
 301 }
 302
 303 /****************************************************************************/
 304 /* Create an app window from a label.                                       */
 305 /****************************************************************************/
 306 GtkWidget*
 307 gl_window_new_from_label (glLabel *label)
 308 {
 309         glWindow *window;
 310
 311         gl_debug (DEBUG_WINDOW, "START");
 312
 313         window = GL_WINDOW (gl_window_new ());
 314
 315         gl_window_set_label (window, label);
 316
 317         gl_debug (DEBUG_WINDOW, "END");
 318
 319         return GTK_WIDGET(window);
 320 }
 321
 322 /****************************************************************************/
 323 /* Create an app window from a file.                                        */
 324 /****************************************************************************/
 325 GtkWidget*
 326 gl_window_new_from_file (const gchar *filename)
 327 {
 328         glWindow         *window;
 329         glLabel          *label;
 330         gchar            *abs_filename;
 331         glXMLLabelStatus  status;
 332
 333         gl_debug (DEBUG_WINDOW, "START");
 334
 335         window = GL_WINDOW (gl_window_new ());
 336
 337         abs_filename = gl_util_make_absolute (filename);
 338         label = gl_xml_label_open (abs_filename, &status);
 339         g_free (abs_filename);
 340
 341         gl_window_set_label (window, label);
 342
 343         gl_debug (DEBUG_WINDOW, "END");
 344
 345         return GTK_WIDGET(window);
 346 }
 347
 348 /****************************************************************************/
 349 /* Is window empty?                                                         */
 350 /****************************************************************************/
 351 gboolean
 352 gl_window_is_empty (glWindow    *window)
 353 {
 354         g_return_val_if_fail (GL_IS_WINDOW (window), FALSE);
 355
 356         gl_debug (DEBUG_WINDOW, "return %d", (window->view == NULL) );
 357         return ( window->view == NULL );
 358 }
 359
 360 /****************************************************************************/
 361 /* Create view from label and place in window.                              */
 362 /****************************************************************************/
 363 void
 364 gl_window_set_label (glWindow    *window,
 365                      glLabel     *label)
 366 {
 367         gchar *string;
 368
 369         gl_debug (DEBUG_WINDOW, "START");
 370
 371         g_return_if_fail (GL_IS_WINDOW (window));
 372         g_return_if_fail (GL_IS_LABEL (label));
 373
 374         gl_label_clear_modified (label);
 375
 376         set_window_title (window, label);
 377
 378         if ( window->view != NULL ) {
 379                 gtk_widget_destroy (window->view);
 380                 window->view = NULL;
 381         }
 382
 383         window->view = gl_view_new (label);
 384         gtk_box_pack_start (GTK_BOX (window->hbox), window->view,TRUE, TRUE, 0);
 385
 386         gtk_widget_show_all (window->view);
 387
 388         gl_view_zoom_to_fit (GL_VIEW(window->view));
 389
 390         if (gl_prefs->grid_visible) {
 391                 gl_view_show_grid (GL_VIEW(window->view));
 392         } else {
 393                 gl_view_hide_grid (GL_VIEW(window->view));
 394         }
 395
 396         if (gl_prefs->markup_visible) {
 397                 gl_view_show_markup (GL_VIEW(window->view));
 398         } else {
 399                 gl_view_hide_markup (GL_VIEW(window->view));
 400         }
 401
 402         gl_ui_update_all (window->ui, GL_VIEW(window->view));
 403
 404         gl_ui_property_bar_set_view (window->property_bar, GL_VIEW(window->view));
 405         gl_ui_sidebar_set_view (window->sidebar, GL_VIEW(window->view));
 406
 407         string = g_strdup_printf ("%3.0f%%",
 408                                   100.0*gl_view_get_zoom (GL_VIEW(window->view)));
 409         gtk_label_set_text (GTK_LABEL(window->zoom_info), string);
 410         g_free (string);
 411
 412         g_signal_connect (G_OBJECT(window->view), "selection_changed",
 413                           G_CALLBACK(selection_changed_cb), window);
 414
 415         g_signal_connect (G_OBJECT(window->view), "zoom_changed",
 416                           G_CALLBACK(zoom_changed_cb), window);
 417
 418         g_signal_connect (G_OBJECT(window->view), "pointer_moved",
 419                           G_CALLBACK(pointer_moved_cb), window);
 420
 421         g_signal_connect (G_OBJECT(window->view), "pointer_exit",
 422                           G_CALLBACK(pointer_exit_cb), window);
 423
 424         g_signal_connect (G_OBJECT(label), "name_changed",
 425                           G_CALLBACK(name_changed_cb), window);
 426
 427         g_signal_connect (G_OBJECT(label), "modified_changed",
 428                           G_CALLBACK(modified_changed_cb), window);
 429
 430         gl_debug (DEBUG_WINDOW, "END");
 431 }
 432
 433 /****************************************************************************/
 434 /* Return list of app windows.                                              */
 435 /****************************************************************************/
 436 const GList *
 437 gl_window_get_window_list (void)
 438 {
 439         gl_debug (DEBUG_WINDOW, "");
 440         return window_list;
 441 }
 442
 443 /*---------------------------------------------------------------------------*/
 444 /* PRIVATE.  Set window title based on name and state of label.              */
 445 /*---------------------------------------------------------------------------*/
 446 static void
 447 set_window_title (glWindow *window,
 448                   glLabel  *label)
 449 {
 450         gchar *name, *title;
 451
 452         gl_debug (DEBUG_WINDOW, "START");
 453
 454         g_return_if_fail (window && GL_IS_WINDOW (window));
 455         g_return_if_fail (label && GL_IS_LABEL (label));
 456
 457         name = gl_label_get_short_name (label);
 458         g_return_if_fail (name != NULL);
 459
 460         if (gl_label_is_modified (label)) {
 461                 title = g_strdup_printf ("%s %s - gLabels",
 462                                          name, _("(modified)"));
 463         } else {
 464                 title = g_strdup_printf ("%s - gLabels", name);
 465         }
 466
 467         gtk_window_set_title (GTK_WINDOW(window), title);
 468
 469         g_free (name);
 470         g_free (title);
 471
 472         gl_debug (DEBUG_WINDOW, "END");
 473 }
 474
 475 /*-------------------------------------------------------------------------*/
 476 /* PRIVATE.  Window "delete-event" callback.                               */
 477 /*-------------------------------------------------------------------------*/
 478 static gboolean
 479 window_delete_event_cb (glWindow      *window,
 480                         GdkEvent      *event,
 481                         gpointer       user_data)
 482 {
 483         gl_debug (DEBUG_WINDOW, "START");
 484
 485         g_return_val_if_fail (window && GL_IS_WINDOW (window), TRUE);
 486
 487         gl_file_close (window);
 488
 489         gl_debug (DEBUG_WINDOW, "END");
 490
 491         return TRUE;
 492 }
 493
 494 /*---------------------------------------------------------------------------*/
 495 /* PRIVATE.  View "selection state changed" callback.                        */
 496 /*---------------------------------------------------------------------------*/
 497 static void
 498 selection_changed_cb (glView   *view,
 499                       glWindow *window)
 500 {
 501         gl_debug (DEBUG_WINDOW, "START");
 502
 503         g_return_if_fail (view && GL_IS_VIEW (view));
 504         g_return_if_fail (window && GL_IS_WINDOW (window));
 505
 506         gl_ui_update_selection_verbs (window->ui, view);
 507
 508         gl_debug (DEBUG_WINDOW, "END");
 509 }
 510
 511 /*---------------------------------------------------------------------------*/
 512 /* PRIVATE.  View "zoom state changed" callback.                             */
 513 /*---------------------------------------------------------------------------*/
 514 static void
 515 zoom_changed_cb (glView   *view,
 516                  gdouble   zoom,
 517                  glWindow *window)
 518 {
 519         gchar *string;
 520
 521         gl_debug (DEBUG_WINDOW, "START");
 522
 523         g_return_if_fail (view && GL_IS_VIEW (view));
 524         g_return_if_fail (window && GL_IS_WINDOW (window));
 525
 526         string = g_strdup_printf ("%3.0f%%", 100.0*zoom);
 527         gtk_label_set_text (GTK_LABEL(window->zoom_info), string);
 528         g_free (string);
 529
 530         gl_ui_update_zoom_verbs (window->ui, view);
 531
 532         gl_debug (DEBUG_WINDOW, "END");
 533 }
 534
 535 /*---------------------------------------------------------------------------*/
 536 /* PRIVATE.  View "pointer moved" callback.                                  */
 537 /*---------------------------------------------------------------------------*/
 538 static void
 539 pointer_moved_cb (glView   *view,
 540                   gdouble   x,
 541                   gdouble   y,
 542                   glWindow *window)
 543 {
 544         gchar *string;
 545         gdouble units_per_point;
 546         gint    units_precision;
 547
 548         gl_debug (DEBUG_WINDOW, "START");
 549
 550         g_return_if_fail (view && GL_IS_VIEW (view));
 551         g_return_if_fail (window && GL_IS_WINDOW (window));
 552
 553         units_per_point = gl_prefs_get_units_per_point ();
 554         units_precision = gl_prefs_get_units_precision ();
 555
 556         string = g_strdup_printf ("%.*f, %.*f",
 557                                   units_precision, x*units_per_point,
 558                                   units_precision, y*units_per_point);
 559         gtk_label_set_text (GTK_LABEL(window->cursor_info), string);
 560         g_free (string);
 561
 562         gl_debug (DEBUG_WINDOW, "END");
 563 }
 564
 565 /*---------------------------------------------------------------------------*/
 566 /* PRIVATE.  View "pointer exit" callback.                                   */
 567 /*---------------------------------------------------------------------------*/
 568 static void
 569 pointer_exit_cb (glView   *view,
 570                  glWindow *window)
 571 {
 572         gl_debug (DEBUG_WINDOW, "START");
 573
 574         g_return_if_fail (view && GL_IS_VIEW (view));
 575         g_return_if_fail (window && GL_IS_WINDOW (window));
 576
 577         gtk_label_set_text (GTK_LABEL(window->cursor_info), "");
 578
 579         gl_debug (DEBUG_WINDOW, "END");
 580 }
 581
 582 /*---------------------------------------------------------------------------*/
 583 /* PRIVATE.  Label "name changed" callback.                                  */
 584 /*---------------------------------------------------------------------------*/
 585 static void
 586 name_changed_cb (glLabel  *label,
 587                  glWindow *window)
 588 {
 589         gl_debug (DEBUG_WINDOW, "START");
 590
 591         g_return_if_fail (label && GL_IS_LABEL (label));
 592         g_return_if_fail (window && GL_IS_WINDOW (window));
 593
 594         set_window_title (window, label);
 595
 596         gl_debug (DEBUG_WINDOW, "END");
 597 }
 598
 599 /*---------------------------------------------------------------------------*/
 600 /* PRIVATE.  Label "modified state changed" callback.                        */
 601 /*---------------------------------------------------------------------------*/
 602 static void
 603 modified_changed_cb (glLabel  *label,
 604                      glWindow *window)
 605 {
 606         gl_debug (DEBUG_WINDOW, "START");
 607
 608         g_return_if_fail (label && GL_IS_LABEL (label));
 609         g_return_if_fail (window && GL_IS_WINDOW (window));
 610
 611         set_window_title (window, label);
 612
 613         gl_ui_update_modified_verbs (window->ui, label);
 614
 615         gl_debug (DEBUG_WINDOW, "END");
 616 }
 617
 618 /*---------------------------------------------------------------------------*/
 619 /* PRIVATE.  Tooltip function for recent file menu items.                    */
 620 /*---------------------------------------------------------------------------*/
 621 static char *
 622 recent_tooltip_func (EggRecentItem *item, gpointer user_data)
 623 {
 624         char *tip;
 625         char *uri_for_display;
 626
 627         uri_for_display = egg_recent_item_get_uri_for_display (item);
 628         g_return_val_if_fail (uri_for_display != NULL, NULL);
 629
 630         tip = g_strdup_printf (_("Open '%s'"), uri_for_display);
 631
 632         g_free (uri_for_display);
 633
 634         return tip;
 635 }
 636
 637