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

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