git.sur5r.net Git - glabels/blob - src/prefs-model.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  *  prefs-model.c:  Application preferences model module
   7  *
   8  *  Copyright (C) 2001-2003  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 "prefs-model.h"
  27
  28 #include <libglabels/db.h>
  29 #include <libglabels/xml.h>
  30 #include <gtk/gtkpapersize.h>
  31
  32 #include "marshal.h"
  33 #include "util.h"
  34 #include "color.h"
  35
  36 #include "debug.h"
  37
  38 /*========================================================*/
  39 /* Private macros and constants.                          */
  40 /*========================================================*/
  41
  42 /* GConf keys */
  43 #define BASE_KEY                            "/apps/glabels"
  44
  45 #define PREF_UNITS                          "/units"
  46 #define PREF_DEFAULT_PAGE_SIZE              "/default-page-size"
  47
  48 #define PREF_DEFAULT_FONT_FAMILY            "/default-font-family"
  49 #define PREF_DEFAULT_FONT_SIZE              "/default-font-size"
  50 #define PREF_DEFAULT_FONT_WEIGHT            "/default-font-weight"
  51 #define PREF_DEFAULT_FONT_ITALIC_FLAG       "/default-font-italic-flag"
  52 #define PREF_DEFAULT_TEXT_COLOR             "/default-text-color"
  53 #define PREF_DEFAULT_TEXT_ALIGNMENT         "/default-text-alignment"
  54 #define PREF_DEFAULT_TEXT_LINE_SPACING      "/default-text-line-spacing"
  55
  56 #define PREF_DEFAULT_LINE_WIDTH             "/default-line-width"
  57 #define PREF_DEFAULT_LINE_COLOR             "/default-line-color"
  58
  59 #define PREF_DEFAULT_FILL_COLOR             "/default-fill-color"
  60
  61 #define PREF_MAIN_TOOLBAR_VISIBLE           "/main-toolbar-visible"
  62 #define PREF_MAIN_TOOLBAR_BUTTONS_STYLE     "/main-toolbar-buttons-style"
  63 #define PREF_MAIN_TOOLBAR_VIEW_TOOLTIPS     "/main-toolbar-view-tooltips"
  64
  65 #define PREF_DRAWING_TOOLBAR_VISIBLE        "/drawing-toolbar-visible"
  66 #define PREF_DRAWING_TOOLBAR_VIEW_TOOLTIPS  "/drawing-toolbar-view-tooltips"
  67
  68 #define PREF_PROPERTY_TOOLBAR_VISIBLE        "/property-toolbar-visible"
  69 #define PREF_PROPERTY_TOOLBAR_VIEW_TOOLTIPS  "/property-toolbar-view-tooltips"
  70
  71 #define PREF_GRID_VISIBLE                   "/grid-visible"
  72 #define PREF_MARKUP_VISIBLE                 "/markup-visible"
  73
  74 #define PREF_MAX_RECENTS                    "/max-recents"
  75
  76 #define PREF_RECENT_TEMPLATES               "/recent-templates"
  77 #define PREF_MAX_RECENT_TEMPLATES           "/max-recent-templates"
  78
  79 /* Default values */
  80 #define DEFAULT_UNITS_STRING_US    units_to_string (LGL_UNITS_INCH)
  81 #define DEFAULT_PAGE_SIZE_US       "US-Letter"
  82
  83 #define DEFAULT_UNITS_STRING_METRIC units_to_string (LGL_UNITS_MM)
  84 #define DEFAULT_PAGE_SIZE_METRIC   "A4"
  85
  86 #define DEFAULT_FONT_FAMILY        "Sans"
  87 #define DEFAULT_FONT_SIZE          14.0
  88 #define DEFAULT_FONT_WEIGHT_STRING gl_util_weight_to_string (PANGO_WEIGHT_NORMAL)
  89 #define DEFAULT_FONT_ITALIC_FLAG   FALSE
  90 #define DEFAULT_TEXT_ALIGN_STRING  gl_util_align_to_string (PANGO_ALIGN_LEFT)
  91 #define DEFAULT_TEXT_COLOR         GL_COLOR (0,0,0)
  92 #define DEFAULT_TEXT_LINE_SPACING  1.0
  93
  94 #define DEFAULT_LINE_WIDTH         1.0
  95 #define DEFAULT_LINE_COLOR         GL_COLOR_A (0, 0, 0, 255)
  96
  97 #define DEFAULT_FILL_COLOR         GL_COLOR_A (0, 255, 0, 255)
  98
  99 /*========================================================*/
 100 /* Private types.                                         */
 101 /*========================================================*/
 102
 103 enum {
 104         CHANGED,
 105         LAST_SIGNAL
 106 };
 107
 108
 109
 110 /*========================================================*/
 111 /* Private globals.                                       */
 112 /*========================================================*/
 113
 114 static guint signals[LAST_SIGNAL] = {0};
 115
 116 /*========================================================*/
 117 /* Private function prototypes.                           */
 118 /*========================================================*/
 119
 120 static void           gl_prefs_model_finalize      (GObject             *object);
 121
 122 static void           notify_cb                    (GConfClient         *client,
 123                                                     guint                cnxn_id,
 124                                                     GConfEntry          *entry,
 125                                                     glPrefsModel        *prefs_model);
 126
 127 static gchar         *get_string                   (GConfClient         *client,
 128                                                     const gchar         *key,
 129                                                     const gchar         *def);
 130
 131 static gboolean       get_bool                     (GConfClient         *client,
 132                                                     const gchar         *key,
 133                                                     gboolean             def);
 134
 135 static gint           get_int                      (GConfClient         *client,
 136                                                     const gchar         *key,
 137                                                     gint                 def);
 138
 139 static gdouble        get_float                    (GConfClient         *client,
 140                                                     const gchar         *key,
 141                                                     gdouble              def);
 142
 143 static lglUnitsType   string_to_units              (const gchar         *string);
 144 static const gchar   *units_to_string              (lglUnitsType         units);
 145
 146
 147 \f
 148 /*****************************************************************************/
 149 /* Boilerplate object stuff.                                                 */
 150 /*****************************************************************************/
 151 G_DEFINE_TYPE (glPrefsModel, gl_prefs_model, G_TYPE_OBJECT);
 152
 153 static void
 154 gl_prefs_model_class_init (glPrefsModelClass *class)
 155 {
 156         GObjectClass *object_class = G_OBJECT_CLASS (class);
 157
 158         gl_debug (DEBUG_PREFS, "START");
 159
 160         gl_prefs_model_parent_class = g_type_class_peek_parent (class);
 161
 162         object_class->finalize = gl_prefs_model_finalize;
 163
 164         signals[CHANGED] =
 165                 g_signal_new ("changed",
 166                               G_OBJECT_CLASS_TYPE (object_class),
 167                               G_SIGNAL_RUN_LAST,
 168                               G_STRUCT_OFFSET (glPrefsModelClass, changed),
 169                               NULL, NULL,
 170                               gl_marshal_VOID__VOID,
 171                               G_TYPE_NONE,
 172                               0);
 173
 174         gl_debug (DEBUG_PREFS, "END");
 175 }
 176
 177 static void
 178 gl_prefs_model_init (glPrefsModel *prefs_model)
 179 {
 180         gl_debug (DEBUG_PREFS, "START");
 181
 182         prefs_model->gconf_client = gconf_client_get_default ();
 183
 184         g_return_if_fail (prefs_model->gconf_client != NULL);
 185
 186         gconf_client_add_dir (prefs_model->gconf_client,
 187                               BASE_KEY,
 188                               GCONF_CLIENT_PRELOAD_ONELEVEL,
 189                               NULL);
 190
 191         gconf_client_notify_add (prefs_model->gconf_client,
 192                                  BASE_KEY,
 193                                  (GConfClientNotifyFunc)notify_cb, prefs_model,
 194                                  NULL, NULL);
 195
 196         gl_debug (DEBUG_PREFS, "END");
 197 }
 198
 199 static void
 200 gl_prefs_model_finalize (GObject *object)
 201 {
 202         glPrefsModel *prefs_model = GL_PREFS_MODEL (object);
 203
 204         gl_debug (DEBUG_PREFS, "START");
 205
 206         g_return_if_fail (object && GL_IS_PREFS_MODEL (object));
 207
 208         g_object_unref (G_OBJECT(prefs_model->gconf_client));
 209         g_free (prefs_model->default_page_size);
 210         g_free (prefs_model->default_font_family);
 211
 212         G_OBJECT_CLASS (gl_prefs_model_parent_class)->finalize (object);
 213
 214         gl_debug (DEBUG_PREFS, "END");
 215 }
 216
 217 /*****************************************************************************/
 218 /* New prefs_model object.                                                   */
 219 /*****************************************************************************/
 220 glPrefsModel *
 221 gl_prefs_model_new (void)
 222 {
 223         glPrefsModel *prefs_model;
 224
 225         gl_debug (DEBUG_PREFS, "START");
 226
 227         prefs_model = GL_PREFS_MODEL (g_object_new (gl_prefs_model_get_type(), NULL));
 228
 229         gl_debug (DEBUG_PREFS, "END");
 230
 231         return prefs_model;
 232 }
 233
 234
 235
 236 /*****************************************************************************/
 237 /* Save all settings.                                                        */
 238 /*****************************************************************************/
 239 void
 240 gl_prefs_model_save_settings (glPrefsModel *prefs_model)
 241 {
 242         gl_debug (DEBUG_PREFS, "START");
 243
 244         g_return_if_fail (prefs_model && GL_IS_PREFS_MODEL(prefs_model));
 245         g_return_if_fail (prefs_model->gconf_client != NULL);
 246
 247         /* We are saving settings because presumably some of them have been changed. */
 248         g_signal_emit (G_OBJECT(prefs_model), signals[CHANGED], 0);
 249
 250         /* Units */
 251         gconf_client_set_string (prefs_model->gconf_client,
 252                                  BASE_KEY PREF_UNITS,
 253                                  units_to_string(prefs_model->units),
 254                                  NULL);
 255         lgl_xml_set_default_units (prefs_model->units);
 256
 257         /* Default page size */
 258         gconf_client_set_string (prefs_model->gconf_client,
 259                                  BASE_KEY PREF_DEFAULT_PAGE_SIZE,
 260                                  prefs_model->default_page_size,
 261                                  NULL);
 262
 263
 264         /* Text properties */
 265         gconf_client_set_string (prefs_model->gconf_client,
 266                                  BASE_KEY PREF_DEFAULT_FONT_FAMILY,
 267                                  prefs_model->default_font_family,
 268                                  NULL);
 269
 270         gconf_client_set_float  (prefs_model->gconf_client,
 271                                  BASE_KEY PREF_DEFAULT_FONT_SIZE,
 272                                  prefs_model->default_font_size,
 273                                  NULL);
 274
 275         gconf_client_set_string (prefs_model->gconf_client,
 276                                  BASE_KEY PREF_DEFAULT_FONT_WEIGHT,
 277                                  gl_util_weight_to_string(prefs_model->default_font_weight),
 278                                  NULL);
 279
 280         gconf_client_set_int    (prefs_model->gconf_client,
 281                                  BASE_KEY PREF_DEFAULT_TEXT_COLOR,
 282                                  prefs_model->default_text_color,
 283                                  NULL);
 284
 285         gconf_client_set_string (prefs_model->gconf_client,
 286                                  BASE_KEY PREF_DEFAULT_TEXT_ALIGNMENT,
 287                                  gl_util_align_to_string(prefs_model->default_text_alignment),
 288                                  NULL);
 289
 290         gconf_client_set_float  (prefs_model->gconf_client,
 291                                  BASE_KEY PREF_DEFAULT_TEXT_LINE_SPACING,
 292                                  prefs_model->default_text_line_spacing,
 293                                  NULL);
 294
 295         /* Line properties */
 296         gconf_client_set_float  (prefs_model->gconf_client,
 297                                  BASE_KEY PREF_DEFAULT_LINE_WIDTH,
 298                                  prefs_model->default_line_width,
 299                                  NULL);
 300
 301         gconf_client_set_int    (prefs_model->gconf_client,
 302                                  BASE_KEY PREF_DEFAULT_LINE_COLOR,
 303                                  prefs_model->default_line_color,
 304                                  NULL);
 305
 306
 307         /* Fill properties */
 308         gconf_client_set_int    (prefs_model->gconf_client,
 309                                  BASE_KEY PREF_DEFAULT_FILL_COLOR,
 310                                  prefs_model->default_fill_color,
 311                                  NULL);
 312
 313
 314         /* Main Toolbar */
 315         gconf_client_set_bool (prefs_model->gconf_client,
 316                                BASE_KEY PREF_MAIN_TOOLBAR_VISIBLE,
 317                                prefs_model->main_toolbar_visible,
 318                                NULL);
 319
 320         gconf_client_set_int (prefs_model->gconf_client,
 321                               BASE_KEY PREF_MAIN_TOOLBAR_BUTTONS_STYLE,
 322                               prefs_model->main_toolbar_buttons_style,
 323                               NULL);
 324
 325         gconf_client_set_bool (prefs_model->gconf_client,
 326                                BASE_KEY PREF_MAIN_TOOLBAR_VIEW_TOOLTIPS,
 327                                prefs_model->main_toolbar_view_tooltips,
 328                                NULL);
 329
 330         /* Drawing Toolbar */
 331         gconf_client_set_bool (prefs_model->gconf_client,
 332                                BASE_KEY PREF_DRAWING_TOOLBAR_VISIBLE,
 333                                prefs_model->drawing_toolbar_visible,
 334                                NULL);
 335
 336         gconf_client_set_bool (prefs_model->gconf_client,
 337                                BASE_KEY PREF_DRAWING_TOOLBAR_VIEW_TOOLTIPS,
 338                                prefs_model->drawing_toolbar_view_tooltips,
 339                                NULL);
 340
 341         /* Property Toolbar */
 342         gconf_client_set_bool (prefs_model->gconf_client,
 343                                BASE_KEY PREF_PROPERTY_TOOLBAR_VISIBLE,
 344                                prefs_model->property_toolbar_visible,
 345                                NULL);
 346
 347         gconf_client_set_bool (prefs_model->gconf_client,
 348                                BASE_KEY PREF_PROPERTY_TOOLBAR_VIEW_TOOLTIPS,
 349                                prefs_model->property_toolbar_view_tooltips,
 350                                NULL);
 351
 352         /* View properties */
 353         gconf_client_set_bool (prefs_model->gconf_client,
 354                                BASE_KEY PREF_GRID_VISIBLE,
 355                                prefs_model->grid_visible,
 356                                NULL);
 357
 358         gconf_client_set_bool (prefs_model->gconf_client,
 359                                BASE_KEY PREF_MARKUP_VISIBLE,
 360                                prefs_model->markup_visible,
 361                                NULL);
 362
 363         /* Recent files */
 364         gconf_client_set_int (prefs_model->gconf_client,
 365                               BASE_KEY PREF_MAX_RECENTS,
 366                               prefs_model->max_recents,
 367                               NULL);
 368
 369         /* Recent templates */
 370         gconf_client_set_list (prefs_model->gconf_client,
 371                                BASE_KEY PREF_RECENT_TEMPLATES,
 372                                GCONF_VALUE_STRING,
 373                                prefs_model->recent_templates,
 374                                NULL);
 375         gconf_client_set_int (prefs_model->gconf_client,
 376                               BASE_KEY PREF_MAX_RECENT_TEMPLATES,
 377                               prefs_model->max_recent_templates,
 378                               NULL);
 379
 380
 381         gconf_client_suggest_sync (prefs_model->gconf_client, NULL);
 382
 383         gl_debug (DEBUG_PREFS, "END");
 384 }
 385
 386 /*****************************************************************************/
 387 /* Load all settings.                                                        */
 388 /*****************************************************************************/
 389 void
 390 gl_prefs_model_load_settings (glPrefsModel *prefs_model)
 391 {
 392         const gchar *pgsize, *default_units_string, *default_page_size;
 393         gchar    *string;
 394         lglPaper *paper;
 395         GSList   *p, *p_next;
 396
 397         gl_debug (DEBUG_PREFS, "START");
 398
 399         g_return_if_fail (prefs_model && GL_IS_PREFS_MODEL(prefs_model));
 400         g_return_if_fail (prefs_model->gconf_client != NULL);
 401
 402         /* Make educated guess about locale defaults. */
 403         pgsize = gtk_paper_size_get_default ();
 404         if ( strcmp (pgsize,GTK_PAPER_NAME_LETTER) == 0 )
 405         {
 406                 default_units_string = DEFAULT_UNITS_STRING_US;
 407                 default_page_size    = DEFAULT_PAGE_SIZE_US;
 408         }
 409         else
 410         {
 411                 default_units_string = DEFAULT_UNITS_STRING_METRIC;
 412                 default_page_size    = DEFAULT_PAGE_SIZE_METRIC;
 413         }
 414
 415         /* Units */
 416         string =
 417                 get_string (prefs_model->gconf_client,
 418                             BASE_KEY PREF_UNITS,
 419                             default_units_string);
 420         prefs_model->units = string_to_units( string );
 421         g_free( string );
 422         lgl_xml_set_default_units (prefs_model->units);
 423
 424
 425         /* Page size */
 426         g_free (prefs_model->default_page_size);
 427         prefs_model->default_page_size =
 428                 get_string (prefs_model->gconf_client,
 429                             BASE_KEY PREF_DEFAULT_PAGE_SIZE,
 430                             default_page_size);
 431
 432         /* Text properties */
 433         g_free (prefs_model->default_font_family);
 434         prefs_model->default_font_family =
 435                 get_string (prefs_model->gconf_client,
 436                             BASE_KEY PREF_DEFAULT_FONT_FAMILY,
 437                             DEFAULT_FONT_FAMILY);
 438
 439         prefs_model->default_font_size =
 440                 get_float (prefs_model->gconf_client,
 441                            BASE_KEY PREF_DEFAULT_FONT_SIZE,
 442                            DEFAULT_FONT_SIZE);
 443
 444         string =
 445                 get_string (prefs_model->gconf_client,
 446                             BASE_KEY PREF_DEFAULT_FONT_WEIGHT,
 447                             DEFAULT_FONT_WEIGHT_STRING);
 448         prefs_model->default_font_weight = gl_util_string_to_weight( string );
 449         g_free( string );
 450
 451         prefs_model->default_text_color =
 452                 get_int (prefs_model->gconf_client,
 453                          BASE_KEY PREF_DEFAULT_TEXT_COLOR,
 454                          DEFAULT_TEXT_COLOR);
 455
 456         string =
 457                 get_string (prefs_model->gconf_client,
 458                             BASE_KEY PREF_DEFAULT_TEXT_ALIGNMENT,
 459                             DEFAULT_TEXT_ALIGN_STRING);
 460         prefs_model->default_text_alignment = gl_util_string_to_align( string );
 461         g_free( string );
 462
 463         prefs_model->default_text_line_spacing =
 464                 get_float (prefs_model->gconf_client,
 465                            BASE_KEY PREF_DEFAULT_TEXT_LINE_SPACING,
 466                            DEFAULT_TEXT_LINE_SPACING);
 467
 468         gl_debug (DEBUG_PREFS, "text_line_spacing = %f", prefs_model->default_text_line_spacing);
 469
 470         /* Line properties */
 471         prefs_model->default_line_width =
 472                 get_float (prefs_model->gconf_client,
 473                            BASE_KEY PREF_DEFAULT_LINE_WIDTH,
 474                            DEFAULT_LINE_WIDTH);
 475         prefs_model->default_line_color =
 476                 get_int (prefs_model->gconf_client,
 477                          BASE_KEY PREF_DEFAULT_LINE_COLOR,
 478                          DEFAULT_LINE_COLOR);
 479
 480         /* Fill properties */
 481         prefs_model->default_fill_color =
 482                 get_int (prefs_model->gconf_client,
 483                          BASE_KEY PREF_DEFAULT_FILL_COLOR,
 484                          DEFAULT_FILL_COLOR);
 485
 486
 487         /* User Inferface/Main Toolbar */
 488         prefs_model->main_toolbar_visible =
 489                 get_bool (prefs_model->gconf_client,
 490                           BASE_KEY PREF_MAIN_TOOLBAR_VISIBLE,
 491                           TRUE);
 492
 493         prefs_model->main_toolbar_buttons_style =
 494                 get_int (prefs_model->gconf_client,
 495                          BASE_KEY PREF_MAIN_TOOLBAR_BUTTONS_STYLE,
 496                          GL_TOOLBAR_SYSTEM);
 497
 498         prefs_model->main_toolbar_view_tooltips =
 499                 get_bool (prefs_model->gconf_client,
 500                           BASE_KEY PREF_MAIN_TOOLBAR_VIEW_TOOLTIPS,
 501                           TRUE);
 502
 503         /* User Inferface/Drawing Toolbar */
 504         prefs_model->drawing_toolbar_visible =
 505                 get_bool (prefs_model->gconf_client,
 506                           BASE_KEY PREF_DRAWING_TOOLBAR_VISIBLE,
 507                           TRUE);
 508
 509         prefs_model->drawing_toolbar_view_tooltips =
 510                 get_bool (prefs_model->gconf_client,
 511                           BASE_KEY PREF_DRAWING_TOOLBAR_VIEW_TOOLTIPS,
 512                           TRUE);
 513
 514         /* User Inferface/Property Toolbar */
 515         prefs_model->property_toolbar_visible =
 516                 get_bool (prefs_model->gconf_client,
 517                           BASE_KEY PREF_PROPERTY_TOOLBAR_VISIBLE,
 518                           TRUE);
 519
 520         prefs_model->property_toolbar_view_tooltips =
 521                 get_bool (prefs_model->gconf_client,
 522                           BASE_KEY PREF_PROPERTY_TOOLBAR_VIEW_TOOLTIPS,
 523                           TRUE);
 524
 525
 526         /* View properties */
 527         prefs_model->grid_visible =
 528                 get_bool (prefs_model->gconf_client,
 529                           BASE_KEY PREF_GRID_VISIBLE,
 530                           TRUE);
 531
 532         prefs_model->markup_visible =
 533                 get_bool (prefs_model->gconf_client,
 534                           BASE_KEY PREF_MARKUP_VISIBLE,
 535                           TRUE);
 536
 537         /* Recent files */
 538         prefs_model->max_recents =
 539                 get_int (prefs_model->gconf_client,
 540                          BASE_KEY PREF_MAX_RECENTS,
 541                          -1);
 542
 543         /* Recent templates */
 544         for (p=prefs_model->recent_templates; p != NULL; p=p->next)
 545         {
 546                 g_free (p->data);
 547         }
 548         g_slist_free (prefs_model->recent_templates);
 549         prefs_model->recent_templates =
 550                 gconf_client_get_list (prefs_model->gconf_client,
 551                                        BASE_KEY PREF_RECENT_TEMPLATES,
 552                                        GCONF_VALUE_STRING,
 553                                        NULL);
 554         prefs_model->max_recent_templates =
 555                 get_int (prefs_model->gconf_client,
 556                          BASE_KEY PREF_MAX_RECENT_TEMPLATES,
 557                          5);
 558
 559
 560         /* Proof read the default page size -- it must be a valid id. */
 561         /* (For compatability with older versions.) */
 562         paper = lgl_db_lookup_paper_from_id (prefs_model->default_page_size);
 563         if ( paper == NULL ) {
 564                 prefs_model->default_page_size = g_strdup (DEFAULT_PAGE_SIZE_US);
 565         } else {
 566                 lgl_paper_free (paper);
 567                 paper = NULL;
 568         }
 569
 570         /* Proof read the recent templates list.  Make sure the template names */
 571         /* are valid.  Remove from list if not. */
 572         for (p=prefs_model->recent_templates; p != NULL; p=p_next)
 573         {
 574                 p_next = p->next;
 575
 576                 if ( !lgl_db_does_template_name_exist (p->data) )
 577                 {
 578                         g_free (p->data);
 579                         prefs_model->recent_templates = g_slist_delete_link (prefs_model->recent_templates, p);
 580                 }
 581         }
 582
 583         gl_debug (DEBUG_PREFS, "max_recents = %d", prefs_model->max_recents);
 584
 585
 586         g_signal_emit (G_OBJECT(prefs_model), signals[CHANGED], 0);
 587
 588         gl_debug (DEBUG_PREFS, "END");
 589 }
 590
 591 /*---------------------------------------------------------------------------*/
 592 /* PRIVATE.  Key changed callback.                                           */
 593 /*---------------------------------------------------------------------------*/
 594 static void
 595 notify_cb (GConfClient  *client,
 596            guint         cnxn_id,
 597            GConfEntry   *entry,
 598            glPrefsModel *prefs_model)
 599 {
 600         gl_debug (DEBUG_PREFS, "Key was changed: %s", entry->key);
 601
 602         gl_prefs_model_load_settings (prefs_model);
 603 }
 604
 605 /*---------------------------------------------------------------------------*/
 606 /* PRIVATE.  Utilities to get values with defaults.                          */
 607 /*---------------------------------------------------------------------------*/
 608 static gchar*
 609 get_string (GConfClient *client,
 610             const gchar *key,
 611             const gchar *def)
 612 {
 613         gchar* val;
 614
 615         val = gconf_client_get_string (client, key, NULL);
 616
 617         if (val != NULL) {
 618
 619                 return val;
 620
 621         } else {
 622
 623                 return def ? g_strdup (def) : NULL;
 624
 625         }
 626 }
 627
 628 static gboolean
 629 get_bool (GConfClient *client,
 630           const gchar *key,
 631           gboolean     def)
 632 {
 633         GConfValue* val;
 634         gboolean retval;
 635
 636         val = gconf_client_get (client, key, NULL);
 637
 638         if (val != NULL) {
 639
 640                 if ( val->type == GCONF_VALUE_BOOL ) {
 641                         retval = gconf_value_get_bool (val);
 642                 } else {
 643                         retval = def;
 644                 }
 645
 646                 gconf_value_free (val);
 647
 648                 return retval;
 649
 650         } else {
 651
 652                 return def;
 653
 654         }
 655 }
 656
 657 static gint
 658 get_int (GConfClient *client,
 659          const gchar *key,
 660          gint         def)
 661 {
 662         GConfValue* val;
 663         gint retval;
 664
 665         val = gconf_client_get (client, key, NULL);
 666
 667         if (val != NULL) {
 668
 669                 if ( val->type == GCONF_VALUE_INT) {
 670                         retval = gconf_value_get_int(val);
 671                 } else {
 672                         retval = def;
 673                 }
 674
 675                 gconf_value_free (val);
 676
 677                 return retval;
 678
 679         } else {
 680
 681                 return def;
 682
 683         }
 684 }
 685
 686 static gdouble
 687 get_float (GConfClient *client,
 688            const gchar *key,
 689            gdouble      def)
 690 {
 691         GConfValue* val;
 692         gdouble retval;
 693
 694         val = gconf_client_get (client, key, NULL);
 695
 696         if (val != NULL) {
 697
 698                 if ( val->type == GCONF_VALUE_FLOAT ) {
 699                         retval = gconf_value_get_float(val);
 700                 } else {
 701                         retval = def;
 702                 }
 703
 704                 gconf_value_free (val);
 705
 706                 return retval;
 707
 708         } else {
 709                 return def;
 710
 711         }
 712 }
 713
 714 /*---------------------------------------------------------------------------*/
 715 /* PRIVATE.  Utilities to deal with units.                                   */
 716 /*---------------------------------------------------------------------------*/
 717 static lglUnitsType
 718 string_to_units (const gchar *string)
 719 {
 720         lglUnitsType units;
 721
 722         if (g_strcasecmp (string, "Points") == 0) {
 723                 units = LGL_UNITS_POINT;
 724         } else if (g_strcasecmp (string, "Inches") == 0) {
 725                 units = LGL_UNITS_INCH;
 726         } else if (g_strcasecmp (string, "Millimeters") == 0) {
 727                 units = LGL_UNITS_MM;
 728         } else {
 729                 units = LGL_UNITS_INCH;
 730         }
 731
 732         return units;
 733 }
 734
 735 static const
 736 gchar *units_to_string (lglUnitsType units)
 737 {
 738         switch (units) {
 739         case LGL_UNITS_POINT:
 740                 return "Points";
 741                 break;
 742         case LGL_UNITS_INCH:
 743                 return "Inches";
 744                 break;
 745         case LGL_UNITS_MM:
 746                 return "Millimeters";
 747                 break;
 748         default:
 749                 return "Inches";
 750                 break;
 751         }
 752 }
 753
 754