git.sur5r.net Git - glabels/blob - glabels2/src/object-editor.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  *  object-editor.c:  object properties editor module
   7  *
   8  *  Copyright (C) 2003  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 #include <config.h>
  25
  26 #include "object-editor.h"
  27
  28 #include <glib/gi18n.h>
  29 #include <glade/glade-xml.h>
  30 #include <gtk/gtklabel.h>
  31 #include <gtk/gtknotebook.h>
  32 #include <gtk/gtkcombobox.h>
  33 #include <gtk/gtktogglebutton.h>
  34
  35 #include <math.h>
  36
  37 #include "prefs.h"
  38 #include "color-combo.h"
  39 #include "color.h"
  40 #include "wdgt-chain-button.h"
  41 #include "wdgt-merge-menu.h"
  42 #include "marshal.h"
  43 #include "util.h"
  44
  45 #include "object-editor-private.h"
  46
  47 #include "debug.h"
  48
  49 /*===========================================*/
  50 /* Private macros                            */
  51 /*===========================================*/
  52
  53 /*===========================================*/
  54 /* Private data types                        */
  55 /*===========================================*/
  56
  57 typedef void (*ChangedSignal) (GObject * object, gpointer data);
  58
  59 /*===========================================*/
  60 /* Private globals                           */
  61 /*===========================================*/
  62
  63 gint gl_object_editor_signals[LAST_SIGNAL] = { 0 };
  64
  65 /*===========================================*/
  66 /* Local function prototypes                 */
  67 /*===========================================*/
  68
  69 static void gl_object_editor_finalize           (GObject              *object);
  70
  71 static void gl_object_notebook_construct_valist (glObjectEditor       *editor,
  72                                                  glLabel              *label,
  73                                                  glObjectEditorOption  first_option,
  74                                                  va_list               args);
  75
  76 static void prefs_changed_cb                    (glObjectEditor       *editor);
  77
  78 static void label_changed_cb                    (glLabel              *label,
  79                                                  glObjectEditor       *editor);
  80
  81 \f
  82 /*****************************************************************************/
  83 /* Boilerplate object stuff.                                                 */
  84 /*****************************************************************************/
  85 G_DEFINE_TYPE (glObjectEditor, gl_object_editor, GTK_TYPE_VBOX);
  86
  87 static void
  88 gl_object_editor_class_init (glObjectEditorClass *class)
  89 {
  90         GObjectClass *object_class = G_OBJECT_CLASS (class);
  91
  92         gl_debug (DEBUG_EDITOR, "START");
  93
  94         gl_object_editor_parent_class = g_type_class_peek_parent (class);
  95
  96         object_class->finalize = gl_object_editor_finalize;
  97
  98         gl_object_editor_signals[CHANGED] =
  99             g_signal_new ("changed",
 100                           G_OBJECT_CLASS_TYPE(object_class),
 101                           G_SIGNAL_RUN_LAST,
 102                           G_STRUCT_OFFSET (glObjectEditorClass, changed),
 103                           NULL, NULL,
 104                           gl_marshal_VOID__VOID,
 105                           G_TYPE_NONE, 0);
 106
 107         gl_object_editor_signals[SIZE_CHANGED] =
 108             g_signal_new ("size_changed",
 109                           G_OBJECT_CLASS_TYPE(object_class),
 110                           G_SIGNAL_RUN_LAST,
 111                           G_STRUCT_OFFSET (glObjectEditorClass, size_changed),
 112                           NULL, NULL,
 113                           gl_marshal_VOID__VOID,
 114                           G_TYPE_NONE, 0);
 115
 116         gl_debug (DEBUG_EDITOR, "END");
 117 }
 118
 119 static void
 120 gl_object_editor_init (glObjectEditor *editor)
 121 {
 122         gl_debug (DEBUG_EDITOR, "START");
 123
 124         editor->priv = g_new0 (glObjectEditorPrivate, 1);
 125
 126         editor->priv->gui = glade_xml_new (GLABELS_GLADE_DIR "object-editor.glade",
 127                                            "editor_vbox",
 128                                            NULL);
 129
 130         if (!editor->priv->gui) {
 131                 g_critical ("Could not open object-editor.glade. gLabels may not be installed correctly!");
 132                 return;
 133         }
 134
 135         editor->priv->editor_vbox = glade_xml_get_widget (editor->priv->gui,
 136                                                           "editor_vbox");
 137         gtk_box_pack_start (GTK_BOX(editor),
 138                             editor->priv->editor_vbox,
 139                             FALSE, FALSE, 0);
 140
 141         editor->priv->title_image = glade_xml_get_widget (editor->priv->gui,
 142                                                           "title_image");
 143         editor->priv->title_label = glade_xml_get_widget (editor->priv->gui,
 144                                                           "title_label");
 145         editor->priv->notebook    = glade_xml_get_widget (editor->priv->gui,
 146                                                           "notebook");
 147
 148         gtk_widget_show_all (GTK_WIDGET(editor));
 149
 150         /* Hide all notebook pages to start with. */
 151         gtk_widget_hide_all (editor->priv->notebook);
 152         gtk_widget_set_no_show_all (editor->priv->notebook, TRUE);
 153
 154         gl_debug (DEBUG_EDITOR, "END");
 155 }
 156
 157 static void
 158 gl_object_editor_finalize (GObject *object)
 159 {
 160         glObjectEditor* editor = GL_OBJECT_EDITOR (object);;
 161
 162         gl_debug (DEBUG_EDITOR, "START");
 163
 164         g_return_if_fail (object != NULL);
 165         g_return_if_fail (GL_IS_OBJECT_EDITOR (editor));
 166         g_return_if_fail (editor->priv != NULL);
 167
 168         g_signal_handlers_disconnect_by_func (G_OBJECT(gl_prefs),
 169                                               prefs_changed_cb, editor);
 170         g_signal_handlers_disconnect_by_func (G_OBJECT(editor->priv->label),
 171                                               label_changed_cb, editor);
 172
 173         g_object_unref (editor->priv->gui);
 174         g_free (editor->priv);
 175
 176         G_OBJECT_CLASS (gl_object_editor_parent_class)->finalize (object);
 177
 178         gl_debug (DEBUG_EDITOR, "END");
 179 }
 180
 181 /*****************************************************************************/
 182 /* NEW object editor.                                                      */
 183 /*****************************************************************************/
 184 GtkWidget*
 185 gl_object_editor_new (gchar                *image,
 186                       gchar                *title,
 187                       glLabel              *label,
 188                       glObjectEditorOption  first_option, ...)
 189 {
 190         glObjectEditor *editor;
 191         va_list         args;
 192
 193         gl_debug (DEBUG_EDITOR, "START");
 194
 195         editor = GL_OBJECT_EDITOR (g_object_new (GL_TYPE_OBJECT_EDITOR, NULL));
 196
 197         if (image) {
 198                 gtk_image_set_from_stock (GTK_IMAGE(editor->priv->title_image),
 199                                           image,
 200                                           GTK_ICON_SIZE_LARGE_TOOLBAR);
 201         }
 202
 203         if (title) {
 204                 gchar *s;
 205
 206                 s = g_strdup_printf ("<span weight=\"bold\">%s</span>",
 207                                      title);
 208                 gtk_label_set_text (GTK_LABEL(editor->priv->title_label), s);
 209                 g_free (s);
 210
 211                 gtk_label_set_use_markup (GTK_LABEL(editor->priv->title_label), TRUE);
 212
 213         }
 214
 215         gtk_notebook_set_homogeneous_tabs (GTK_NOTEBOOK(editor->priv->notebook), TRUE);
 216
 217         va_start (args, first_option);
 218         gl_object_notebook_construct_valist (editor, label, first_option, args);
 219         va_end (args);
 220
 221         gl_debug (DEBUG_EDITOR, "END");
 222
 223         return GTK_WIDGET(editor);
 224 }
 225
 226 /*--------------------------------------------------------------------------*/
 227 /* PRIVATE.  Construct notebook.                                            */
 228 /*--------------------------------------------------------------------------*/
 229 static void
 230 gl_object_notebook_construct_valist (glObjectEditor       *editor,
 231                                      glLabel              *label,
 232                                      glObjectEditorOption  first_option,
 233                                      va_list               args)
 234 {
 235         glObjectEditorOption option;
 236         gint pages = 0;
 237
 238         gl_debug (DEBUG_EDITOR, "START");
 239
 240         editor->priv->label = label;
 241
 242         option = first_option;
 243
 244         for ( option=first_option; option; option=va_arg (args, glObjectEditorOption) ) {
 245
 246                 switch (option) {
 247
 248                 case GL_OBJECT_EDITOR_EMPTY:
 249                         gtk_widget_set_sensitive (editor->priv->title_image, FALSE);
 250                         gtk_widget_set_sensitive (editor->priv->title_label, FALSE);
 251                         break;
 252
 253                 case GL_OBJECT_EDITOR_POSITION_PAGE:
 254                         gl_object_editor_prepare_position_page (editor);
 255                         pages++;
 256                         break;
 257
 258                 case GL_OBJECT_EDITOR_SIZE_PAGE:
 259                 case GL_OBJECT_EDITOR_SIZE_IMAGE_PAGE:
 260                         gl_object_editor_prepare_size_page (editor, option);
 261                         pages++;
 262                         break;
 263
 264                 case GL_OBJECT_EDITOR_SIZE_LINE_PAGE:
 265                         gl_object_editor_prepare_lsize_page (editor);
 266                         pages++;
 267                         break;
 268
 269                 case GL_OBJECT_EDITOR_FILL_PAGE:
 270                         gl_object_editor_prepare_fill_page (editor);
 271                         pages++;
 272                         break;
 273
 274                 case GL_OBJECT_EDITOR_LINE_PAGE:
 275                         gl_object_editor_prepare_line_page (editor);
 276                         pages++;
 277                         break;
 278
 279                 case GL_OBJECT_EDITOR_IMAGE_PAGE:
 280                         gl_object_editor_prepare_image_page (editor);
 281                         pages++;
 282                         break;
 283
 284                 case GL_OBJECT_EDITOR_TEXT_PAGE:
 285                         gl_object_editor_prepare_text_page (editor);
 286                         pages++;
 287                         break;
 288
 289                 case GL_OBJECT_EDITOR_EDIT_PAGE:
 290                         gl_object_editor_prepare_edit_page (editor);
 291                         pages++;
 292                         break;
 293
 294                 case GL_OBJECT_EDITOR_BC_PAGE:
 295                         gl_object_editor_prepare_bc_page (editor);
 296                         pages++;
 297                         break;
 298
 299                 case GL_OBJECT_EDITOR_DATA_PAGE:
 300                         gl_object_editor_prepare_data_page (editor);
 301                         pages++;
 302                         break;
 303
 304                 case GL_OBJECT_EDITOR_SHADOW_PAGE:
 305                         gl_object_editor_prepare_shadow_page (editor);
 306                         pages++;
 307                         break;
 308
 309                 default:
 310                         g_message ("option = %d", option);
 311                         g_assert_not_reached ();
 312                 }
 313
 314         }
 315         if (pages) {
 316                 gtk_widget_show (editor->priv->notebook);
 317         }
 318
 319         g_signal_connect_swapped (G_OBJECT (gl_prefs), "changed",
 320                                   G_CALLBACK (prefs_changed_cb),
 321                                   editor);
 322         if (label)
 323         {
 324                 label_changed_cb (label, editor);
 325                 g_signal_connect (G_OBJECT (label), "size_changed",
 326                                   G_CALLBACK (label_changed_cb),
 327                                   editor);
 328                 g_signal_connect (G_OBJECT (label), "merge_changed",
 329                                   G_CALLBACK (label_changed_cb),
 330                                   editor);
 331         }
 332
 333         gl_debug (DEBUG_EDITOR, "END");
 334 }
 335
 336 /*--------------------------------------------------------------------------*/
 337 /* PRIVATE. Widget changed callback.  Emit our "changed" signal.            */
 338 /*--------------------------------------------------------------------------*/
 339 void
 340 gl_object_editor_changed_cb (glObjectEditor *editor)
 341 {
 342         if (editor->priv->stop_signals) return;
 343
 344         gl_debug (DEBUG_EDITOR, "START");
 345
 346         /* Emit our "changed" signal */
 347         g_signal_emit (G_OBJECT (editor), gl_object_editor_signals[CHANGED], 0);
 348
 349         gl_debug (DEBUG_EDITOR, "END");
 350 }
 351
 352 /*--------------------------------------------------------------------------*/
 353 /* PRIVATE. Widget size changed callback.  Emit our "size-changed" signal.  */
 354 /*--------------------------------------------------------------------------*/
 355 void
 356 gl_object_editor_size_changed_cb (glObjectEditor *editor)
 357 {
 358         if (editor->priv->stop_signals) return;
 359
 360         gl_debug (DEBUG_EDITOR, "START");
 361
 362         /* Emit our "size_changed" signal */
 363         g_signal_emit (G_OBJECT (editor), gl_object_editor_signals[SIZE_CHANGED], 0);
 364
 365         gl_debug (DEBUG_EDITOR, "END");
 366 }
 367
 368 /*****************************************************************************/
 369 /* Set possible key names from merge object.                                 */
 370 /*****************************************************************************/
 371 void
 372 gl_object_editor_set_key_names (glObjectEditor      *editor,
 373                                 glMerge             *merge)
 374 {
 375         GList     *keys;
 376         GtkWidget *combo;
 377         GtkWidget *menu;
 378         gboolean   fixed_flag;
 379         gboolean   state;
 380
 381         gl_debug (DEBUG_EDITOR, "START");
 382
 383         if (editor->priv->text_auto_shrink_check) {
 384                 gtk_widget_set_sensitive (editor->priv->text_auto_shrink_check,
 385                                           merge != NULL);
 386         }
 387
 388         if (editor->priv->text_page_vbox) {
 389                 gtk_widget_set_sensitive (editor->priv->text_color_key_radio, merge != NULL);
 390                 if (merge == NULL) {
 391                         gtk_toggle_button_set_active (
 392                                 GTK_TOGGLE_BUTTON(editor->priv->text_color_radio), TRUE);
 393                         gtk_widget_set_sensitive (editor->priv->text_color_combo, TRUE);
 394                         gtk_widget_set_sensitive (editor->priv->text_color_key_combo, FALSE);
 395                 } else {
 396                         state = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(editor->priv->text_color_key_radio));
 397                         gtk_widget_set_sensitive (editor->priv->text_color_combo, !state);
 398                         gtk_widget_set_sensitive (editor->priv->text_color_key_combo, state);
 399
 400                 }
 401         }
 402
 403         if (editor->priv->edit_insert_field_button) {
 404                 gtk_widget_set_sensitive (editor->priv->edit_insert_field_button,
 405                                           merge != NULL);
 406         }
 407
 408         if (editor->priv->img_key_combo) {
 409                 gtk_widget_set_sensitive (editor->priv->img_key_combo, merge != NULL);
 410         }
 411
 412         if (editor->priv->img_key_radio) {
 413                 gtk_widget_set_sensitive (editor->priv->img_key_radio, merge != NULL);
 414                 if (merge == NULL) {
 415                         gtk_toggle_button_set_active (
 416                                 GTK_TOGGLE_BUTTON(editor->priv->img_file_radio), TRUE);
 417                 }
 418         }
 419
 420         if (editor->priv->data_key_combo) {
 421                 gtk_widget_set_sensitive (editor->priv->data_key_combo, merge != NULL);
 422         }
 423
 424         if (editor->priv->data_key_radio) {
 425                 gtk_widget_set_sensitive (editor->priv->data_key_radio, merge != NULL);
 426                 if (merge == NULL) {
 427                         gtk_toggle_button_set_active (
 428                                 GTK_TOGGLE_BUTTON(editor->priv->data_literal_radio), TRUE);
 429                 }
 430         }
 431
 432         fixed_flag = editor->priv->data_format_fixed_flag;
 433         if (editor->priv->data_format_label) {
 434                 gtk_widget_set_sensitive (editor->priv->data_format_label,
 435                                           (merge != NULL));
 436         }
 437         if (editor->priv->data_ex_label) {
 438                 gtk_widget_set_sensitive (editor->priv->data_ex_label,
 439                                           (merge != NULL));
 440         }
 441         if (editor->priv->data_digits_label) {
 442                 gtk_widget_set_sensitive (editor->priv->data_digits_label,
 443                                           (merge != NULL) && !fixed_flag);
 444         }
 445         if (editor->priv->data_digits_spin) {
 446                 gtk_widget_set_sensitive (editor->priv->data_digits_spin,
 447                                           (merge != NULL) && !fixed_flag);
 448         }
 449
 450         if (editor->priv->fill_page_vbox) {
 451                 gtk_widget_set_sensitive (editor->priv->fill_key_radio, merge != NULL);
 452                 if (merge == NULL) {
 453                         gtk_toggle_button_set_active (
 454                                 GTK_TOGGLE_BUTTON(editor->priv->fill_color_radio), TRUE);
 455                         gtk_widget_set_sensitive (editor->priv->fill_color_combo, TRUE);
 456                         gtk_widget_set_sensitive (editor->priv->fill_key_combo, FALSE);
 457                 } else {
 458                         state = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(editor->priv->fill_key_radio));
 459                         gtk_widget_set_sensitive (editor->priv->fill_color_combo, !state);
 460                         gtk_widget_set_sensitive (editor->priv->fill_key_combo, state);
 461
 462                 }
 463         }
 464
 465         if (editor->priv->line_page_vbox) {
 466                 gtk_widget_set_sensitive (editor->priv->line_key_radio, merge != NULL);
 467                 if (merge == NULL) {
 468                         gtk_toggle_button_set_active (
 469                                 GTK_TOGGLE_BUTTON(editor->priv->line_color_radio), TRUE);
 470                         gtk_widget_set_sensitive (editor->priv->line_color_combo, TRUE);
 471                         gtk_widget_set_sensitive (editor->priv->line_key_combo, FALSE);
 472                 } else {
 473                         state = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(editor->priv->line_key_radio));
 474                         gtk_widget_set_sensitive (editor->priv->line_color_combo, !state);
 475                         gtk_widget_set_sensitive (editor->priv->line_key_combo, state);
 476
 477                 }
 478         }
 479
 480         if (editor->priv->bc_page_vbox) {
 481                 gtk_widget_set_sensitive (editor->priv->bc_key_radio, merge != NULL);
 482                 if (merge == NULL) {
 483                         gtk_toggle_button_set_active (
 484                                 GTK_TOGGLE_BUTTON(editor->priv->bc_color_radio), TRUE);
 485                         gtk_widget_set_sensitive (editor->priv->bc_color_combo, TRUE);
 486                         gtk_widget_set_sensitive (editor->priv->bc_key_combo, FALSE);
 487                 } else {
 488                         state = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(editor->priv->bc_key_radio));
 489                         gtk_widget_set_sensitive (editor->priv->bc_color_combo, !state);
 490                         gtk_widget_set_sensitive (editor->priv->bc_key_combo, state);
 491
 492                 }
 493         }
 494
 495         if (editor->priv->shadow_page_vbox) {
 496                 gtk_widget_set_sensitive (editor->priv->shadow_key_radio, merge != NULL);
 497                 if (merge == NULL) {
 498                         gtk_toggle_button_set_active (
 499                                 GTK_TOGGLE_BUTTON(editor->priv->shadow_color_radio), TRUE);
 500                         gtk_widget_set_sensitive (editor->priv->shadow_color_combo, TRUE);
 501                         gtk_widget_set_sensitive (editor->priv->shadow_key_combo, FALSE);
 502                 } else {
 503                         state = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(editor->priv->shadow_key_radio));
 504                         gtk_widget_set_sensitive (editor->priv->shadow_color_combo, !state);
 505                         gtk_widget_set_sensitive (editor->priv->shadow_key_combo, state);
 506
 507                 }
 508         }
 509
 510         keys = gl_merge_get_key_list (merge);
 511         if ( keys == NULL ) {
 512                 keys = g_list_append (keys, g_strdup (""));
 513         }
 514
 515         combo = editor->priv->img_key_combo;
 516         if (combo) {
 517                 gl_util_combo_box_set_strings (GTK_COMBO_BOX (combo), keys);
 518         }
 519
 520         menu = editor->priv->edit_insert_field_menu;
 521         if (menu) {
 522                 gl_wdgt_merge_menu_set_fields (GL_WDGT_MERGE_MENU(menu), keys);
 523         }
 524
 525         combo = editor->priv->data_key_combo;
 526         if (combo) {
 527                 gl_util_combo_box_set_strings (GTK_COMBO_BOX (combo), keys);
 528         }
 529
 530         combo = editor->priv->fill_key_combo;
 531         if (combo) {
 532                 gl_util_combo_box_set_strings (GTK_COMBO_BOX (combo), keys);
 533         }
 534
 535         combo = editor->priv->text_color_key_combo;
 536         if (combo) {
 537                 gl_util_combo_box_set_strings (GTK_COMBO_BOX (combo), keys);
 538         }
 539
 540         combo = editor->priv->line_key_combo;
 541         if (combo) {
 542                 gl_util_combo_box_set_strings (GTK_COMBO_BOX (combo), keys);
 543         }
 544
 545         combo = editor->priv->bc_key_combo;
 546         if (combo) {
 547                 gl_util_combo_box_set_strings (GTK_COMBO_BOX (combo), keys);
 548         }
 549
 550         combo = editor->priv->shadow_key_combo;
 551         if (combo) {
 552                 gl_util_combo_box_set_strings (GTK_COMBO_BOX (combo), keys);
 553         }
 554
 555         gl_merge_free_key_list (&keys);
 556
 557         gl_debug (DEBUG_EDITOR, "END");
 558 }
 559
 560 /*****************************************************************************/
 561 /* Construct color combo "Custom widget".                                    */
 562 /*****************************************************************************/
 563 GtkWidget *
 564 gl_object_editor_construct_color_combo (gchar *name,
 565                                         gchar *string1,
 566                                         gchar *string2,
 567                                         gint   int1,
 568                                         gint   int2)
 569 {
 570         GtkWidget  *color_combo;
 571         guint       color;
 572         gchar      *no_color;
 573
 574         switch (int1) {
 575
 576         case 3:
 577                 color    = GL_COLOR_SHADOW_DEFAULT;
 578                 no_color = _("Default");
 579                 break;
 580
 581         case 2:
 582                 color    = gl_prefs->default_text_color;
 583                 no_color = _("Default");
 584                 break;
 585
 586         case 1:
 587                 color    = gl_prefs->default_line_color;
 588                 no_color = _("No line");
 589                 break;
 590
 591         case 0:
 592         default:
 593                 color    = gl_prefs->default_fill_color;
 594                 no_color = _("No fill");
 595                 break;
 596
 597         }
 598
 599         color_combo = gl_color_combo_new (NULL, no_color, color, color);
 600
 601         gl_color_combo_set_relief (GL_COLOR_COMBO(color_combo), GTK_RELIEF_NORMAL);
 602
 603         return color_combo;
 604 }
 605
 606 /*****************************************************************************/
 607 /* Construct chain button "Custom widget".                                   */
 608 /*****************************************************************************/
 609 GtkWidget *
 610 gl_object_editor_construct_chain_button (gchar *name,
 611                                          gchar *string1,
 612                                          gchar *string2,
 613                                          gint   int1,
 614                                          gint   int2)
 615 {
 616         GtkWidget  *chain_button;
 617
 618         chain_button = gl_wdgt_chain_button_new (GL_WDGT_CHAIN_RIGHT);
 619         gl_wdgt_chain_button_set_active (GL_WDGT_CHAIN_BUTTON(chain_button), TRUE);
 620
 621         return chain_button;
 622 }
 623
 624 /*--------------------------------------------------------------------------*/
 625 /* PRIVATE. Prefs changed callback.  Update units related items.            */
 626 /*--------------------------------------------------------------------------*/
 627 static void
 628 prefs_changed_cb (glObjectEditor *editor)
 629 {
 630
 631         gl_debug (DEBUG_EDITOR, "START");
 632
 633         if (editor->priv->lsize_r_spin) {
 634                 lsize_prefs_changed_cb (editor);
 635         }
 636
 637         if (editor->priv->size_w_spin) {
 638                 size_prefs_changed_cb (editor);
 639         }
 640
 641         if (editor->priv->pos_x_spin) {
 642                 position_prefs_changed_cb (editor);
 643         }
 644
 645         if (editor->priv->shadow_x_spin) {
 646                 shadow_prefs_changed_cb (editor);
 647         }
 648
 649         gl_debug (DEBUG_EDITOR, "END");
 650 }
 651
 652 /*---------------------------------------------------------------------------*/
 653 /* PRIVATE. label "changed" callback.                                        */
 654 /*---------------------------------------------------------------------------*/
 655 static void
 656 label_changed_cb (glLabel        *label,
 657                   glObjectEditor *editor)
 658 {
 659         gdouble   label_width, label_height;
 660         glMerge  *merge;
 661
 662         gl_debug (DEBUG_EDITOR, "START");
 663
 664         gl_label_get_size (label, &label_width, &label_height);
 665         gl_object_editor_set_max_position (GL_OBJECT_EDITOR (editor),
 666                                            label_width, label_height);
 667         gl_object_editor_set_max_size (GL_OBJECT_EDITOR (editor),
 668                                        label_width, label_height);
 669         gl_object_editor_set_max_lsize (GL_OBJECT_EDITOR (editor),
 670                                        label_width, label_height);
 671         gl_object_editor_set_max_shadow_offset (GL_OBJECT_EDITOR (editor),
 672                                                 label_width, label_height);
 673
 674         merge = gl_label_get_merge (label);
 675         gl_object_editor_set_key_names (editor, merge);
 676
 677         gl_debug (DEBUG_EDITOR, "END");
 678 }
 679