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

   1 /*
   2  *  window.c
   3  *  Copyright (C) 2002-2009  Jim Evins <evins@snaught.com>.
   4  *
   5  *  This file is part of gLabels.
   6  *
   7  *  gLabels is free software: you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation, either version 3 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  gLabels is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with gLabels.  If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include <config.h>
  22
  23 #include "window.h"
  24
  25 #include <glib/gi18n.h>
  26 #include <gtk/gtk.h>
  27
  28 #include "ui.h"
  29 #include "ui-commands.h"
  30 #include "util.h"
  31 #include "xml-label.h"
  32 #include "prefs.h"
  33 #include "file.h"
  34
  35 #include "debug.h"
  36
  37
  38 /*===========================================================================*/
  39 /* Private macros and constants.                                             */
  40 /*===========================================================================*/
  41
  42 #define DEFAULT_WINDOW_WIDTH  788
  43 #define DEFAULT_WINDOW_HEIGHT 600
  44
  45 #define CURSOR_INFO_WIDTH     150
  46 #define ZOOM_INFO_WIDTH        50
  47
  48
  49 /*===========================================================================*/
  50 /* Private globals                                                           */
  51 /*===========================================================================*/
  52
  53 static GList *window_list = NULL;
  54
  55
  56 /*===========================================================================*/
  57 /* Local function prototypes                                                 */
  58 /*===========================================================================*/
  59
  60 static void     gl_window_finalize     (GObject       *object);
  61 static void     gl_window_destroy      (GtkObject     *gtk_object);
  62
  63 static void     set_window_title       (glWindow *window,
  64                                         glLabel  *label);
  65
  66 static gboolean window_delete_event_cb (glWindow      *window,
  67                                         GdkEvent      *event,
  68                                         gpointer       user_data);
  69
  70 static void     selection_changed_cb   (glView        *view,
  71                                         glWindow      *window);
  72
  73 static void   context_menu_activate_cb (glView       *view,
  74                                         gint          button,
  75                                         guint32       activate_time,
  76                                         glWindow     *window);
  77
  78 static void     zoom_changed_cb        (glView        *view,
  79                                         gdouble        zoom,
  80                                         glWindow      *window);
  81
  82 static void     pointer_moved_cb       (glView        *view,
  83                                         gdouble        x,
  84                                         gdouble        y,
  85                                         glWindow      *window);
  86
  87 static void     pointer_exit_cb        (glView        *view,
  88                                         glWindow      *window);
  89
  90 static void     name_changed_cb        (glLabel       *label,
  91                                         glWindow      *window);
  92
  93 static void     modified_changed_cb    (glLabel       *label,
  94                                         glWindow      *window);
  95
  96
  97 /****************************************************************************/
  98 /* Boilerplate Object stuff.                                                */
  99 /****************************************************************************/
 100 G_DEFINE_TYPE (glWindow, gl_window, GTK_TYPE_WINDOW);
 101
 102
 103 static void
 104 gl_window_class_init (glWindowClass *class)
 105 {
 106         GObjectClass   *object_class     = G_OBJECT_CLASS (class);
 107         GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
 108
 109         gl_debug (DEBUG_WINDOW, "START");
 110
 111         gl_window_parent_class = g_type_class_peek_parent (class);
 112
 113         object_class->finalize = gl_window_finalize;
 114
 115         gtk_object_class->destroy = gl_window_destroy;
 116
 117         gl_debug (DEBUG_WINDOW, "END");
 118 }
 119
 120
 121 static void
 122 gl_window_init (glWindow *window)
 123 {
 124         GtkWidget        *vbox1;
 125         GtkUIManager     *ui;
 126         GtkWidget        *status_hbox;
 127
 128         gl_debug (DEBUG_WINDOW, "START");
 129
 130         vbox1 = gtk_vbox_new (FALSE, 0);
 131         gtk_container_add (GTK_CONTAINER (window), vbox1);
 132
 133         window->ui = ui = gl_ui_new (window);
 134         gtk_box_pack_start (GTK_BOX (vbox1),
 135                             gtk_ui_manager_get_widget (ui, "/MenuBar"),
 136                             FALSE, FALSE, 0);
 137         gtk_box_pack_start (GTK_BOX (vbox1),
 138                             gtk_ui_manager_get_widget (ui, "/MainToolBar"),
 139                             FALSE, FALSE, 0);
 140         gtk_box_pack_start (GTK_BOX (vbox1),
 141                             gtk_ui_manager_get_widget (ui, "/DrawingToolBar"),
 142                             FALSE, FALSE, 0);
 143
 144         window->hbox = gtk_hbox_new (FALSE, 0);
 145         gtk_box_pack_start (GTK_BOX (vbox1), window->hbox, TRUE, TRUE, 0);
 146
 147         window->sidebar = GL_UI_SIDEBAR (gl_ui_sidebar_new ());
 148         gtk_box_pack_end (GTK_BOX (window->hbox), GTK_WIDGET (window->sidebar), FALSE, FALSE, 0);
 149
 150         window->property_bar = GL_UI_PROPERTY_BAR (gl_ui_property_bar_new ());
 151         gtk_box_pack_start (GTK_BOX (vbox1), GTK_WIDGET (window->property_bar), FALSE, FALSE, 0);
 152
 153         status_hbox = gtk_hbox_new (FALSE, 0);
 154         gtk_box_pack_start (GTK_BOX (vbox1), status_hbox, FALSE, FALSE, 0);
 155
 156         window->status_bar = gtk_statusbar_new ();
 157         gtk_statusbar_set_has_resize_grip (GTK_STATUSBAR (window->status_bar), FALSE);
 158         gtk_box_pack_start (GTK_BOX (status_hbox),
 159                             window->status_bar,
 160                             TRUE, TRUE, 0);
 161         window->zoom_info = gtk_label_new (NULL);
 162         gtk_widget_set_size_request (window->zoom_info, ZOOM_INFO_WIDTH, -1);
 163         window->zoom_info_frame = gtk_frame_new (NULL);
 164         gtk_frame_set_shadow_type (GTK_FRAME(window->zoom_info_frame), GTK_SHADOW_IN);
 165         gtk_container_add (GTK_CONTAINER(window->zoom_info_frame), window->zoom_info);
 166         gtk_widget_show_all (window->zoom_info_frame);
 167         gtk_box_pack_end (GTK_BOX (status_hbox),
 168                           window->zoom_info_frame,
 169                           FALSE, FALSE, 0);
 170
 171         window->cursor_info = gtk_label_new (NULL);
 172         gtk_widget_set_size_request (window->cursor_info, CURSOR_INFO_WIDTH, -1);
 173         window->cursor_info_frame = gtk_frame_new (NULL);
 174         gtk_frame_set_shadow_type (GTK_FRAME(window->cursor_info_frame), GTK_SHADOW_IN);
 175         gtk_container_add (GTK_CONTAINER(window->cursor_info_frame), window->cursor_info);
 176         gtk_widget_show_all (window->cursor_info_frame);
 177         gtk_box_pack_end (GTK_BOX (status_hbox),
 178                           window->cursor_info_frame,
 179                           FALSE, FALSE, 0);
 180
 181         gtk_window_set_default_size (GTK_WINDOW (window),
 182                                      DEFAULT_WINDOW_WIDTH,
 183                                      DEFAULT_WINDOW_HEIGHT);
 184
 185         g_signal_connect (G_OBJECT(window), "delete-event",
 186                           G_CALLBACK(window_delete_event_cb), NULL);
 187
 188         window->menu_tips_context_id =
 189                 gtk_statusbar_get_context_id (GTK_STATUSBAR (window->status_bar), "menu_tips");
 190
 191         window->print_settings = NULL;
 192         window->merge_dialog = NULL;
 193         window->context_menu = GTK_MENU (gtk_ui_manager_get_widget (ui, "/ContextMenu"));
 194         window->empty_selection_context_menu =
 195                 GTK_MENU (gtk_ui_manager_get_widget (ui, "/EmptySelectionContextMenu"));
 196
 197         window->view = NULL;
 198
 199         window_list = g_list_append (window_list, window);
 200
 201         gl_debug (DEBUG_WINDOW, "END");
 202 }
 203
 204
 205 static void
 206 gl_window_finalize (GObject *object)
 207 {
 208         gl_debug (DEBUG_WINDOW, "START");
 209
 210         g_return_if_fail (object != NULL);
 211         g_return_if_fail (GL_IS_WINDOW (object));
 212
 213         G_OBJECT_CLASS (gl_window_parent_class)->finalize (object);
 214
 215         gl_debug (DEBUG_WINDOW, "END");
 216 }
 217
 218
 219 static void
 220 gl_window_destroy (GtkObject *gtk_object)
 221 {
 222         glWindow *window;
 223
 224         gl_debug (DEBUG_WINDOW, "START");
 225
 226         g_return_if_fail (gtk_object != NULL);
 227         g_return_if_fail (GL_IS_WINDOW (gtk_object));
 228
 229         window = GL_WINDOW (gtk_object);
 230         window_list = g_list_remove (window_list, window);
 231
 232         if (window->ui) {
 233                 gl_ui_unref(window->ui);
 234                 window->ui = NULL;
 235         }
 236
 237         if (GTK_OBJECT_CLASS (gl_window_parent_class)->destroy) {
 238                 GTK_OBJECT_CLASS (gl_window_parent_class)->destroy (gtk_object);
 239         }
 240
 241         gl_debug (DEBUG_WINDOW, "END");
 242 }
 243
 244
 245 /****************************************************************************/
 246 /** Create a glabels window.                                                */
 247 /****************************************************************************/
 248 GtkWidget *
 249 gl_window_new (void)
 250 {
 251         glWindow *window;
 252
 253         gl_debug (DEBUG_WINDOW, "START");
 254
 255         window = g_object_new (GL_TYPE_WINDOW,
 256                                "title",    _("(none) - gLabels"),
 257                                NULL);
 258
 259         gl_debug (DEBUG_WINDOW, "window=%p", window);
 260         gl_debug (DEBUG_WINDOW, "view=%p", window->view);
 261
 262         gl_debug (DEBUG_WINDOW, "END");
 263
 264         return GTK_WIDGET(window);
 265 }
 266
 267
 268 /****************************************************************************/
 269 /** Create a glabels window from a label.                                   */
 270 /****************************************************************************/
 271 GtkWidget*
 272 gl_window_new_from_label (glLabel *label)
 273 {
 274         glWindow *window;
 275
 276         gl_debug (DEBUG_WINDOW, "START");
 277
 278         window = GL_WINDOW (gl_window_new ());
 279
 280         gl_window_set_label (window, label);
 281
 282         gl_debug (DEBUG_WINDOW, "END");
 283
 284         return GTK_WIDGET(window);
 285 }
 286
 287
 288 /****************************************************************************/
 289 /** Create a glabels window from a glabels file.                            */
 290 /****************************************************************************/
 291 GtkWidget*
 292 gl_window_new_from_file (const gchar *filename)
 293 {
 294         glWindow         *window;
 295         glLabel          *label;
 296         gchar            *abs_filename;
 297         glXMLLabelStatus  status;
 298
 299         gl_debug (DEBUG_WINDOW, "START");
 300
 301         window = GL_WINDOW (gl_window_new ());
 302
 303         abs_filename = gl_util_make_absolute (filename);
 304         label = gl_xml_label_open (abs_filename, &status);
 305         g_free (abs_filename);
 306
 307         gl_window_set_label (window, label);
 308
 309         gl_debug (DEBUG_WINDOW, "END");
 310
 311         return GTK_WIDGET(window);
 312 }
 313
 314
 315 /****************************************************************************/
 316 /** Is window empty?                                                        */
 317 /****************************************************************************/
 318 gboolean
 319 gl_window_is_empty (glWindow    *window)
 320 {
 321         g_return_val_if_fail (GL_IS_WINDOW (window), FALSE);
 322
 323         gl_debug (DEBUG_WINDOW, "return %d", (window->view == NULL) );
 324         return ( window->view == NULL );
 325 }
 326
 327
 328 /****************************************************************************/
 329 /** Create view from label and place in window.                             */
 330 /****************************************************************************/
 331 void
 332 gl_window_set_label (glWindow    *window,
 333                      glLabel     *label)
 334 {
 335         gchar *string;
 336
 337         gl_debug (DEBUG_WINDOW, "START");
 338
 339         g_return_if_fail (GL_IS_WINDOW (window));
 340         g_return_if_fail (GL_IS_LABEL (label));
 341
 342         gl_label_clear_modified (label);
 343
 344         set_window_title (window, label);
 345
 346         if ( window->view != NULL ) {
 347                 gtk_widget_destroy (window->view);
 348                 window->view = NULL;
 349         }
 350
 351         window->view = gl_view_new (label);
 352         gtk_box_pack_start (GTK_BOX (window->hbox), window->view,TRUE, TRUE, 0);
 353
 354         gtk_widget_show_all (window->view);
 355
 356         gl_view_zoom_to_fit (GL_VIEW(window->view));
 357
 358         if (gl_prefs->grid_visible) {
 359                 gl_view_show_grid (GL_VIEW(window->view));
 360         } else {
 361                 gl_view_hide_grid (GL_VIEW(window->view));
 362         }
 363
 364         if (gl_prefs->markup_visible) {
 365                 gl_view_show_markup (GL_VIEW(window->view));
 366         } else {
 367                 gl_view_hide_markup (GL_VIEW(window->view));
 368         }
 369
 370         gl_ui_update_all (window->ui, GL_VIEW(window->view));
 371
 372         gl_ui_property_bar_set_view (window->property_bar, GL_VIEW(window->view));
 373         gl_ui_sidebar_set_view (window->sidebar, GL_VIEW(window->view));
 374
 375         string = g_strdup_printf ("%3.0f%%",
 376                                   100.0*gl_view_get_zoom (GL_VIEW(window->view)));
 377         gtk_label_set_text (GTK_LABEL(window->zoom_info), string);
 378         g_free (string);
 379
 380         g_signal_connect (G_OBJECT(window->view), "selection_changed",
 381                           G_CALLBACK(selection_changed_cb), window);
 382
 383         g_signal_connect (G_OBJECT(window->view), "context_menu_activate",
 384                           G_CALLBACK(context_menu_activate_cb), window);
 385
 386         g_signal_connect (G_OBJECT(window->view), "zoom_changed",
 387                           G_CALLBACK(zoom_changed_cb), window);
 388
 389         g_signal_connect (G_OBJECT(window->view), "pointer_moved",
 390                           G_CALLBACK(pointer_moved_cb), window);
 391
 392         g_signal_connect (G_OBJECT(window->view), "pointer_exit",
 393                           G_CALLBACK(pointer_exit_cb), window);
 394
 395         g_signal_connect (G_OBJECT(label), "name_changed",
 396                           G_CALLBACK(name_changed_cb), window);
 397
 398         g_signal_connect (G_OBJECT(label), "modified_changed",
 399                           G_CALLBACK(modified_changed_cb), window);
 400
 401         gl_debug (DEBUG_WINDOW, "END");
 402 }
 403
 404
 405 /****************************************************************************/
 406 /** Return list of glabels windows.                                         */
 407 /****************************************************************************/
 408 const GList *
 409 gl_window_get_window_list (void)
 410 {
 411         gl_debug (DEBUG_WINDOW, "");
 412         return window_list;
 413 }
 414
 415
 416 /*---------------------------------------------------------------------------*/
 417 /** PRIVATE.  Set window title based on name and state of label.             */
 418 /*---------------------------------------------------------------------------*/
 419 static void
 420 set_window_title (glWindow *window,
 421                   glLabel  *label)
 422 {
 423         gchar *name, *title;
 424
 425         gl_debug (DEBUG_WINDOW, "START");
 426
 427         g_return_if_fail (window && GL_IS_WINDOW (window));
 428         g_return_if_fail (label && GL_IS_LABEL (label));
 429
 430         name = gl_label_get_short_name (label);
 431         g_return_if_fail (name != NULL);
 432
 433         if (gl_label_is_modified (label)) {
 434                 title = g_strdup_printf ("%s %s - gLabels",
 435                                          name, _("(modified)"));
 436         } else {
 437                 title = g_strdup_printf ("%s - gLabels", name);
 438         }
 439
 440         gtk_window_set_title (GTK_WINDOW(window), title);
 441
 442         g_free (name);
 443         g_free (title);
 444
 445         gl_debug (DEBUG_WINDOW, "END");
 446 }
 447
 448
 449 /*-------------------------------------------------------------------------*/
 450 /** PRIVATE.  Window "delete-event" callback.                              */
 451 /*-------------------------------------------------------------------------*/
 452 static gboolean
 453 window_delete_event_cb (glWindow      *window,
 454                         GdkEvent      *event,
 455                         gpointer       user_data)
 456 {
 457         gl_debug (DEBUG_WINDOW, "START");
 458
 459         g_return_val_if_fail (window && GL_IS_WINDOW (window), TRUE);
 460
 461         gl_file_close (window);
 462
 463         gl_debug (DEBUG_WINDOW, "END");
 464
 465         return TRUE;
 466 }
 467
 468
 469 /*---------------------------------------------------------------------------*/
 470 /** PRIVATE.  View "selection state changed" callback.                       */
 471 /*---------------------------------------------------------------------------*/
 472 static void
 473 selection_changed_cb (glView   *view,
 474                       glWindow *window)
 475 {
 476         gl_debug (DEBUG_WINDOW, "START");
 477
 478         g_return_if_fail (view && GL_IS_VIEW (view));
 479         g_return_if_fail (window && GL_IS_WINDOW (window));
 480
 481         gl_ui_update_selection_verbs (window->ui, view);
 482
 483         gl_debug (DEBUG_WINDOW, "END");
 484 }
 485
 486
 487 /*---------------------------------------------------------------------------*/
 488 /** PRIVATE.  View "context menu activate" callback.                         */
 489 /*---------------------------------------------------------------------------*/
 490 static void
 491 context_menu_activate_cb (glView       *view,
 492                           gint          button,
 493                           guint32       activate_time,
 494                           glWindow     *window)
 495 {
 496         gl_debug (DEBUG_WINDOW, "START");
 497
 498         g_return_if_fail (view && GL_IS_VIEW (view));
 499         g_return_if_fail (window && GL_IS_WINDOW (window));
 500
 501         if (gl_view_is_selection_empty (view)) {
 502
 503                 gtk_menu_popup (GTK_MENU (window->empty_selection_context_menu),
 504                                 NULL, NULL, NULL, NULL, button, activate_time);
 505
 506         } else {
 507
 508                 gtk_menu_popup (GTK_MENU (window->context_menu),
 509                                 NULL, NULL, NULL, NULL, button, activate_time);
 510
 511         }
 512
 513         gl_debug (DEBUG_WINDOW, "END");
 514 }
 515
 516
 517 /*---------------------------------------------------------------------------*/
 518 /** PRIVATE.  View "zoom state changed" callback.                            */
 519 /*---------------------------------------------------------------------------*/
 520 static void
 521 zoom_changed_cb (glView   *view,
 522                  gdouble   zoom,
 523                  glWindow *window)
 524 {
 525         gchar *string;
 526
 527         gl_debug (DEBUG_WINDOW, "START");
 528
 529         g_return_if_fail (view && GL_IS_VIEW (view));
 530         g_return_if_fail (window && GL_IS_WINDOW (window));
 531
 532         string = g_strdup_printf ("%3.0f%%", 100.0*zoom);
 533         gtk_label_set_text (GTK_LABEL(window->zoom_info), string);
 534         g_free (string);
 535
 536         gl_ui_update_zoom_verbs (window->ui, view);
 537
 538         gl_debug (DEBUG_WINDOW, "END");
 539 }
 540
 541
 542 /*---------------------------------------------------------------------------*/
 543 /** PRIVATE.  View "pointer moved" callback.                                 */
 544 /*---------------------------------------------------------------------------*/
 545 static void
 546 pointer_moved_cb (glView   *view,
 547                   gdouble   x,
 548                   gdouble   y,
 549                   glWindow *window)
 550 {
 551         gchar *string;
 552         gdouble units_per_point;
 553         gint    units_precision;
 554
 555         gl_debug (DEBUG_WINDOW, "START");
 556
 557         g_return_if_fail (view && GL_IS_VIEW (view));
 558         g_return_if_fail (window && GL_IS_WINDOW (window));
 559
 560         units_per_point = gl_prefs_get_units_per_point ();
 561         units_precision = gl_prefs_get_units_precision ();
 562
 563         string = g_strdup_printf ("%.*f, %.*f",
 564                                   units_precision, x*units_per_point,
 565                                   units_precision, y*units_per_point);
 566         gtk_label_set_text (GTK_LABEL(window->cursor_info), string);
 567         g_free (string);
 568
 569         gl_debug (DEBUG_WINDOW, "END");
 570 }
 571
 572
 573 /*---------------------------------------------------------------------------*/
 574 /** PRIVATE.  View "pointer exit" callback.                                  */
 575 /*---------------------------------------------------------------------------*/
 576 static void
 577 pointer_exit_cb (glView   *view,
 578                  glWindow *window)
 579 {
 580         gl_debug (DEBUG_WINDOW, "START");
 581
 582         g_return_if_fail (view && GL_IS_VIEW (view));
 583         g_return_if_fail (window && GL_IS_WINDOW (window));
 584
 585         gtk_label_set_text (GTK_LABEL(window->cursor_info), "");
 586
 587         gl_debug (DEBUG_WINDOW, "END");
 588 }
 589
 590
 591 /*---------------------------------------------------------------------------*/
 592 /** PRIVATE.  Label "name changed" callback.                                 */
 593 /*---------------------------------------------------------------------------*/
 594 static void
 595 name_changed_cb (glLabel  *label,
 596                  glWindow *window)
 597 {
 598         gl_debug (DEBUG_WINDOW, "START");
 599
 600         g_return_if_fail (label && GL_IS_LABEL (label));
 601         g_return_if_fail (window && GL_IS_WINDOW (window));
 602
 603         set_window_title (window, label);
 604
 605         gl_debug (DEBUG_WINDOW, "END");
 606 }
 607
 608
 609 /*---------------------------------------------------------------------------*/
 610 /** PRIVATE.  Label "modified state changed" callback.                       */
 611 /*---------------------------------------------------------------------------*/
 612 static void
 613 modified_changed_cb (glLabel  *label,
 614                      glWindow *window)
 615 {
 616         gl_debug (DEBUG_WINDOW, "START");
 617
 618         g_return_if_fail (label && GL_IS_LABEL (label));
 619         g_return_if_fail (window && GL_IS_WINDOW (window));
 620
 621         set_window_title (window, label);
 622
 623         gl_ui_update_modified_verbs (window->ui, label);
 624
 625         gl_debug (DEBUG_WINDOW, "END");
 626 }
 627
 628
 629
 630 /*
 631  * Local Variables:       -- emacs
 632  * mode: C                -- emacs
 633  * c-basic-offset: 8      -- emacs
 634  * tab-width: 8           -- emacs
 635  * indent-tabs-mode: nil  -- emacs
 636  * End:                   -- emacs
 637  */