git.sur5r.net Git - glabels/blob - glabels2/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/paper.h>
  29
  30 #include "marshal.h"
  31 #include "util.h"
  32 #include "color.h"
  33
  34 #include "debug.h"
  35
  36 /*========================================================*/
  37 /* Private macros and constants.                          */
  38 /*========================================================*/
  39
  40 /* GConf keys */
  41 #define BASE_KEY                            "/apps/glabels"
  42
  43 #define PREF_UNITS                          "/units"
  44 #define PREF_DEFAULT_PAGE_SIZE              "/default-page-size"
  45
  46 #define PREF_DEFAULT_FONT_FAMILY            "/default-font-family"
  47 #define PREF_DEFAULT_FONT_SIZE              "/default-font-size"
  48 #define PREF_DEFAULT_FONT_WEIGHT            "/default-font-weight"
  49 #define PREF_DEFAULT_FONT_ITALIC_FLAG       "/default-font-italic-flag"
  50 #define PREF_DEFAULT_TEXT_COLOR             "/default-text-color"
  51 #define PREF_DEFAULT_TEXT_ALIGNMENT         "/default-text-alignment"
  52 #define PREF_DEFAULT_TEXT_LINE_SPACING      "/default-text-line-spacing"
  53
  54 #define PREF_DEFAULT_LINE_WIDTH             "/default-line-width"
  55 #define PREF_DEFAULT_LINE_COLOR             "/default-line-color"
  56
  57 #define PREF_DEFAULT_FILL_COLOR             "/default-fill-color"
  58
  59 #define PREF_MAIN_TOOLBAR_VISIBLE           "/main-toolbar-visible"
  60 #define PREF_MAIN_TOOLBAR_BUTTONS_STYLE     "/main-toolbar-buttons-style"
  61 #define PREF_MAIN_TOOLBAR_VIEW_TOOLTIPS     "/main-toolbar-view-tooltips"
  62
  63 #define PREF_DRAWING_TOOLBAR_VISIBLE        "/drawing-toolbar-visible"
  64 #define PREF_DRAWING_TOOLBAR_VIEW_TOOLTIPS  "/drawing-toolbar-view-tooltips"
  65
  66 #define PREF_PROPERTY_TOOLBAR_VISIBLE        "/property-toolbar-visible"
  67 #define PREF_PROPERTY_TOOLBAR_VIEW_TOOLTIPS  "/property-toolbar-view-tooltips"
  68
  69 #define PREF_GRID_VISIBLE                   "/grid-visible"
  70 #define PREF_MARKUP_VISIBLE                 "/markup-visible"
  71
  72 #define PREF_MAX_RECENTS                    "/max-recents"
  73
  74 /* Default values */
  75 #define DEFAULT_UNITS_STRING       units_to_string (GL_UNITS_INCH)
  76 #define DEFAULT_PAGE_SIZE          "US-Letter"
  77
  78 #define DEFAULT_FONT_FAMILY        "Sans"
  79 #define DEFAULT_FONT_SIZE          14.0
  80 #define DEFAULT_FONT_WEIGHT_STRING gl_util_weight_to_string (PANGO_WEIGHT_NORMAL)
  81 #define DEFAULT_FONT_ITALIC_FLAG   FALSE
  82 #define DEFAULT_TEXT_ALIGN_STRING  gl_util_align_to_string (PANGO_ALIGN_LEFT)
  83 #define DEFAULT_TEXT_COLOR         GL_COLOR (0,0,0)
  84 #define DEFAULT_TEXT_LINE_SPACING  1.0
  85
  86 #define DEFAULT_LINE_WIDTH         1.0
  87 #define DEFAULT_LINE_COLOR         GL_COLOR_A (0, 0, 0, 255)
  88
  89 #define DEFAULT_FILL_COLOR         GL_COLOR_A (0, 255, 0, 255)
  90
  91 /*========================================================*/
  92 /* Private types.                                         */
  93 /*========================================================*/
  94
  95 enum {
  96         CHANGED,
  97         LAST_SIGNAL
  98 };
  99
 100
 101
 102 /*========================================================*/
 103 /* Private globals.                                       */
 104 /*========================================================*/
 105
 106 static guint signals[LAST_SIGNAL] = {0};
 107
 108 /*========================================================*/
 109 /* Private function prototypes.                           */
 110 /*========================================================*/
 111
 112 static void           gl_prefs_model_finalize      (GObject             *object);
 113
 114 static void           notify_cb                    (GConfClient         *client,
 115                                                     guint                cnxn_id,
 116                                                     GConfEntry          *entry,
 117                                                     glPrefsModel        *prefs_model);
 118
 119 static gchar         *get_string                   (GConfClient         *client,
 120                                                     const gchar         *key,
 121                                                     const gchar         *def);
 122
 123 static gboolean       get_bool                     (GConfClient         *client,
 124                                                     const gchar         *key,
 125                                                     gboolean             def);
 126
 127 static gint           get_int                      (GConfClient         *client,
 128                                                     const gchar         *key,
 129                                                     gint                 def);
 130
 131 static gdouble        get_float                    (GConfClient         *client,
 132                                                     const gchar         *key,
 133                                                     gdouble              def);
 134
 135 static glUnitsType    string_to_units              (const gchar         *string);
 136 static const gchar   *units_to_string              (glUnitsType          units);
 137
 138
 139 \f
 140 /*****************************************************************************/
 141 /* Boilerplate object stuff.                                                 */
 142 /*****************************************************************************/
 143 G_DEFINE_TYPE (glPrefsModel, gl_prefs_model, G_TYPE_OBJECT);
 144
 145 static void
 146 gl_prefs_model_class_init (glPrefsModelClass *class)
 147 {
 148         GObjectClass *object_class = G_OBJECT_CLASS (class);
 149
 150         gl_debug (DEBUG_PREFS, "START");
 151
 152         gl_prefs_model_parent_class = g_type_class_peek_parent (class);
 153
 154         object_class->finalize = gl_prefs_model_finalize;
 155
 156         signals[CHANGED] =
 157                 g_signal_new ("changed",
 158                               G_OBJECT_CLASS_TYPE (object_class),
 159                               G_SIGNAL_RUN_LAST,
 160                               G_STRUCT_OFFSET (glPrefsModelClass, changed),
 161                               NULL, NULL,
 162                               gl_marshal_VOID__VOID,
 163                               G_TYPE_NONE,
 164                               0);
 165
 166         gl_debug (DEBUG_PREFS, "END");
 167 }
 168
 169 static void
 170 gl_prefs_model_init (glPrefsModel *prefs_model)
 171 {
 172         gl_debug (DEBUG_PREFS, "START");
 173
 174         prefs_model->gconf_client = gconf_client_get_default ();
 175
 176         g_return_if_fail (prefs_model->gconf_client != NULL);
 177
 178         gconf_client_add_dir (prefs_model->gconf_client,
 179                               BASE_KEY,
 180                               GCONF_CLIENT_PRELOAD_ONELEVEL,
 181                               NULL);
 182
 183         gconf_client_notify_add (prefs_model->gconf_client,
 184                                  BASE_KEY,
 185                                  (GConfClientNotifyFunc)notify_cb, prefs_model,
 186                                  NULL, NULL);
 187
 188         gl_debug (DEBUG_PREFS, "END");
 189 }
 190
 191 static void
 192 gl_prefs_model_finalize (GObject *object)
 193 {
 194         glPrefsModel *prefs_model = GL_PREFS_MODEL (object);
 195
 196         gl_debug (DEBUG_PREFS, "START");
 197
 198         g_return_if_fail (object && GL_IS_PREFS_MODEL (object));
 199
 200         g_object_unref (G_OBJECT(prefs_model->gconf_client));
 201         g_free (prefs_model->default_page_size);
 202         g_free (prefs_model->default_font_family);
 203
 204         G_OBJECT_CLASS (gl_prefs_model_parent_class)->finalize (object);
 205
 206         gl_debug (DEBUG_PREFS, "END");
 207 }
 208
 209 /*****************************************************************************/
 210 /* New prefs_model object.                                                   */
 211 /*****************************************************************************/
 212 glPrefsModel *
 213 gl_prefs_model_new (void)
 214 {
 215         glPrefsModel *prefs_model;
 216
 217         gl_debug (DEBUG_PREFS, "START");
 218
 219         prefs_model = GL_PREFS_MODEL (g_object_new (gl_prefs_model_get_type(), NULL));
 220
 221         gl_debug (DEBUG_PREFS, "END");
 222
 223         return prefs_model;
 224 }
 225
 226
 227
 228 /*****************************************************************************/
 229 /* Save all settings.                                                        */
 230 /*****************************************************************************/
 231 void
 232 gl_prefs_model_save_settings (glPrefsModel *prefs_model)
 233 {
 234         gl_debug (DEBUG_PREFS, "START");
 235
 236         g_return_if_fail (prefs_model && GL_IS_PREFS_MODEL(prefs_model));
 237         g_return_if_fail (prefs_model->gconf_client != NULL);
 238
 239         /* We are saving settings because presumably some of them have been changed. */
 240         g_signal_emit (G_OBJECT(prefs_model), signals[CHANGED], 0);
 241
 242         /* Units */
 243         gconf_client_set_string (prefs_model->gconf_client,
 244                                  BASE_KEY PREF_UNITS,
 245                                  units_to_string(prefs_model->units),
 246                                  NULL);
 247
 248         /* Default page size */
 249         gconf_client_set_string (prefs_model->gconf_client,
 250                                  BASE_KEY PREF_DEFAULT_PAGE_SIZE,
 251                                  prefs_model->default_page_size,
 252                                  NULL);
 253
 254
 255         /* Text properties */
 256         gconf_client_set_string (prefs_model->gconf_client,
 257                                  BASE_KEY PREF_DEFAULT_FONT_FAMILY,
 258                                  prefs_model->default_font_family,
 259                                  NULL);
 260
 261         gconf_client_set_float  (prefs_model->gconf_client,
 262                                  BASE_KEY PREF_DEFAULT_FONT_SIZE,
 263                                  prefs_model->default_font_size,
 264                                  NULL);
 265
 266         gconf_client_set_string (prefs_model->gconf_client,
 267                                  BASE_KEY PREF_DEFAULT_FONT_WEIGHT,
 268                                  gl_util_weight_to_string(prefs_model->default_font_weight),
 269                                  NULL);
 270
 271         gconf_client_set_int    (prefs_model->gconf_client,
 272                                  BASE_KEY PREF_DEFAULT_TEXT_COLOR,
 273                                  prefs_model->default_text_color,
 274                                  NULL);
 275
 276         gconf_client_set_string (prefs_model->gconf_client,
 277                                  BASE_KEY PREF_DEFAULT_TEXT_ALIGNMENT,
 278                                  gl_util_align_to_string(prefs_model->default_text_alignment),
 279                                  NULL);
 280
 281         gconf_client_set_float  (prefs_model->gconf_client,
 282                                  BASE_KEY PREF_DEFAULT_TEXT_LINE_SPACING,
 283                                  prefs_model->default_text_line_spacing,
 284                                  NULL);
 285
 286         /* Line properties */
 287         gconf_client_set_float  (prefs_model->gconf_client,
 288                                  BASE_KEY PREF_DEFAULT_LINE_WIDTH,
 289                                  prefs_model->default_line_width,
 290                                  NULL);
 291
 292         gconf_client_set_int    (prefs_model->gconf_client,
 293                                  BASE_KEY PREF_DEFAULT_LINE_COLOR,
 294                                  prefs_model->default_line_color,
 295                                  NULL);
 296
 297
 298         /* Fill properties */
 299         gconf_client_set_int    (prefs_model->gconf_client,
 300                                  BASE_KEY PREF_DEFAULT_FILL_COLOR,
 301                                  prefs_model->default_fill_color,
 302                                  NULL);
 303
 304
 305         /* Main Toolbar */
 306         gconf_client_set_bool (prefs_model->gconf_client,
 307                                BASE_KEY PREF_MAIN_TOOLBAR_VISIBLE,
 308                                prefs_model->main_toolbar_visible,
 309                                NULL);
 310
 311         gconf_client_set_int (prefs_model->gconf_client,
 312                               BASE_KEY PREF_MAIN_TOOLBAR_BUTTONS_STYLE,
 313                               prefs_model->main_toolbar_buttons_style,
 314                               NULL);
 315
 316         gconf_client_set_bool (prefs_model->gconf_client,
 317                                BASE_KEY PREF_MAIN_TOOLBAR_VIEW_TOOLTIPS,
 318                                prefs_model->main_toolbar_view_tooltips,
 319                                NULL);
 320
 321         /* Drawing Toolbar */
 322         gconf_client_set_bool (prefs_model->gconf_client,
 323                                BASE_KEY PREF_DRAWING_TOOLBAR_VISIBLE,
 324                                prefs_model->drawing_toolbar_visible,
 325                                NULL);
 326
 327         gconf_client_set_bool (prefs_model->gconf_client,
 328                                BASE_KEY PREF_DRAWING_TOOLBAR_VIEW_TOOLTIPS,
 329                                prefs_model->drawing_toolbar_view_tooltips,
 330                                NULL);
 331
 332         /* Property Toolbar */
 333         gconf_client_set_bool (prefs_model->gconf_client,
 334                                BASE_KEY PREF_PROPERTY_TOOLBAR_VISIBLE,
 335                                prefs_model->property_toolbar_visible,
 336                                NULL);
 337
 338         gconf_client_set_bool (prefs_model->gconf_client,
 339                                BASE_KEY PREF_PROPERTY_TOOLBAR_VIEW_TOOLTIPS,
 340                                prefs_model->property_toolbar_view_tooltips,
 341                                NULL);
 342
 343         /* View properties */
 344         gconf_client_set_bool (prefs_model->gconf_client,
 345                                BASE_KEY PREF_GRID_VISIBLE,
 346                                prefs_model->grid_visible,
 347                                NULL);
 348
 349         gconf_client_set_bool (prefs_model->gconf_client,
 350                                BASE_KEY PREF_MARKUP_VISIBLE,
 351                                prefs_model->markup_visible,
 352                                NULL);
 353
 354         /* Recent files */
 355         gconf_client_set_int (prefs_model->gconf_client,
 356                               BASE_KEY PREF_MAX_RECENTS,
 357                               prefs_model->max_recents,
 358                               NULL);
 359
 360
 361         gconf_client_suggest_sync (prefs_model->gconf_client, NULL);
 362
 363         gl_debug (DEBUG_PREFS, "END");
 364 }
 365
 366 /*****************************************************************************/
 367 /* Load all settings.                                                        */
 368 /*****************************************************************************/
 369 void
 370 gl_prefs_model_load_settings (glPrefsModel *prefs_model)
 371 {
 372         gchar   *string;
 373         glPaper *paper;
 374
 375         gl_debug (DEBUG_PREFS, "START");
 376
 377         g_return_if_fail (prefs_model && GL_IS_PREFS_MODEL(prefs_model));
 378         g_return_if_fail (prefs_model->gconf_client != NULL);
 379
 380         /* Units */
 381         string =
 382                 get_string (prefs_model->gconf_client,
 383                             BASE_KEY PREF_UNITS,
 384                             DEFAULT_UNITS_STRING);
 385         prefs_model->units = string_to_units( string );
 386         g_free( string );
 387
 388
 389         /* Page size */
 390         prefs_model->default_page_size =
 391                 get_string (prefs_model->gconf_client,
 392                             BASE_KEY PREF_DEFAULT_PAGE_SIZE,
 393                             DEFAULT_PAGE_SIZE);
 394
 395         /* Text properties */
 396         prefs_model->default_font_family =
 397                 get_string (prefs_model->gconf_client,
 398                             BASE_KEY PREF_DEFAULT_FONT_FAMILY,
 399                             DEFAULT_FONT_FAMILY);
 400
 401         prefs_model->default_font_size =
 402                 get_float (prefs_model->gconf_client,
 403                            BASE_KEY PREF_DEFAULT_FONT_SIZE,
 404                            DEFAULT_FONT_SIZE);
 405
 406         string =
 407                 get_string (prefs_model->gconf_client,
 408                             BASE_KEY PREF_DEFAULT_FONT_WEIGHT,
 409                             DEFAULT_FONT_WEIGHT_STRING);
 410         prefs_model->default_font_weight = gl_util_string_to_weight( string );
 411         g_free( string );
 412
 413         prefs_model->default_text_color =
 414                 get_int (prefs_model->gconf_client,
 415                          BASE_KEY PREF_DEFAULT_TEXT_COLOR,
 416                          DEFAULT_TEXT_COLOR);
 417
 418         string =
 419                 get_string (prefs_model->gconf_client,
 420                             BASE_KEY PREF_DEFAULT_TEXT_ALIGNMENT,
 421                             DEFAULT_TEXT_ALIGN_STRING);
 422         prefs_model->default_text_alignment = gl_util_string_to_align( string );
 423         g_free( string );
 424
 425         prefs_model->default_text_line_spacing =
 426                 get_float (prefs_model->gconf_client,
 427                            BASE_KEY PREF_DEFAULT_TEXT_LINE_SPACING,
 428                            DEFAULT_TEXT_LINE_SPACING);
 429
 430         gl_debug (DEBUG_PREFS, "text_line_spacing = %f", prefs_model->default_text_line_spacing);
 431
 432         /* Line properties */
 433         prefs_model->default_line_width =
 434                 get_float (prefs_model->gconf_client,
 435                            BASE_KEY PREF_DEFAULT_LINE_WIDTH,
 436                            DEFAULT_LINE_WIDTH);
 437         prefs_model->default_line_color =
 438                 get_int (prefs_model->gconf_client,
 439                          BASE_KEY PREF_DEFAULT_LINE_COLOR,
 440                          DEFAULT_LINE_COLOR);
 441
 442         /* Fill properties */
 443         prefs_model->default_fill_color =
 444                 get_int (prefs_model->gconf_client,
 445                          BASE_KEY PREF_DEFAULT_FILL_COLOR,
 446                          DEFAULT_FILL_COLOR);
 447
 448
 449         /* User Inferface/Main Toolbar */
 450         prefs_model->main_toolbar_visible =
 451                 get_bool (prefs_model->gconf_client,
 452                           BASE_KEY PREF_MAIN_TOOLBAR_VISIBLE,
 453                           TRUE);
 454
 455         prefs_model->main_toolbar_buttons_style =
 456                 get_int (prefs_model->gconf_client,
 457                          BASE_KEY PREF_MAIN_TOOLBAR_BUTTONS_STYLE,
 458                          GL_TOOLBAR_SYSTEM);
 459
 460         prefs_model->main_toolbar_view_tooltips =
 461                 get_bool (prefs_model->gconf_client,
 462                           BASE_KEY PREF_MAIN_TOOLBAR_VIEW_TOOLTIPS,
 463                           TRUE);
 464
 465         /* User Inferface/Drawing Toolbar */
 466         prefs_model->drawing_toolbar_visible =
 467                 get_bool (prefs_model->gconf_client,
 468                           BASE_KEY PREF_DRAWING_TOOLBAR_VISIBLE,
 469                           TRUE);
 470
 471         prefs_model->drawing_toolbar_view_tooltips =
 472                 get_bool (prefs_model->gconf_client,
 473                           BASE_KEY PREF_DRAWING_TOOLBAR_VIEW_TOOLTIPS,
 474                           TRUE);
 475
 476         /* User Inferface/Property Toolbar */
 477         prefs_model->property_toolbar_visible =
 478                 get_bool (prefs_model->gconf_client,
 479                           BASE_KEY PREF_PROPERTY_TOOLBAR_VISIBLE,
 480                           TRUE);
 481
 482         prefs_model->property_toolbar_view_tooltips =
 483                 get_bool (prefs_model->gconf_client,
 484                           BASE_KEY PREF_PROPERTY_TOOLBAR_VIEW_TOOLTIPS,
 485                           TRUE);
 486
 487
 488         /* View properties */
 489         prefs_model->grid_visible =
 490                 get_bool (prefs_model->gconf_client,
 491                           BASE_KEY PREF_GRID_VISIBLE,
 492                           TRUE);
 493
 494         prefs_model->markup_visible =
 495                 get_bool (prefs_model->gconf_client,
 496                           BASE_KEY PREF_MARKUP_VISIBLE,
 497                           TRUE);
 498
 499         /* Recent files */
 500         prefs_model->max_recents =
 501                 get_int (prefs_model->gconf_client,
 502                          BASE_KEY PREF_MAX_RECENTS,
 503                          -1);
 504
 505
 506         /* Proof read the default page size -- it must be a valid id. */
 507         /* (For compatability with older versions.) */
 508         /* Note: paper module must be initialized for this to work. */
 509         paper = gl_paper_from_id (prefs_model->default_page_size);
 510         if ( paper == NULL ) {
 511                 prefs_model->default_page_size = g_strdup (DEFAULT_PAGE_SIZE);
 512         } else {
 513                 gl_paper_free (paper);
 514                 paper = NULL;
 515         }
 516
 517         gl_debug (DEBUG_PREFS, "max_recents = %d", prefs_model->max_recents);
 518
 519
 520         g_signal_emit (G_OBJECT(prefs_model), signals[CHANGED], 0);
 521
 522         gl_debug (DEBUG_PREFS, "END");
 523 }
 524
 525 /*---------------------------------------------------------------------------*/
 526 /* PRIVATE.  Key changed callback.                                           */
 527 /*---------------------------------------------------------------------------*/
 528 static void
 529 notify_cb (GConfClient  *client,
 530            guint         cnxn_id,
 531            GConfEntry   *entry,
 532            glPrefsModel *prefs_model)
 533 {
 534         gl_debug (DEBUG_PREFS, "Key was changed: %s", entry->key);
 535
 536         gl_prefs_model_load_settings (prefs_model);
 537 }
 538
 539 /*---------------------------------------------------------------------------*/
 540 /* PRIVATE.  Utilities to get values with defaults.                          */
 541 /*---------------------------------------------------------------------------*/
 542 static gchar*
 543 get_string (GConfClient *client,
 544             const gchar *key,
 545             const gchar *def)
 546 {
 547         gchar* val;
 548
 549         val = gconf_client_get_string (client, key, NULL);
 550
 551         if (val != NULL) {
 552
 553                 return val;
 554
 555         } else {
 556
 557                 return def ? g_strdup (def) : NULL;
 558
 559         }
 560 }
 561
 562 static gboolean
 563 get_bool (GConfClient *client,
 564           const gchar *key,
 565           gboolean     def)
 566 {
 567         GConfValue* val;
 568         gboolean retval;
 569
 570         val = gconf_client_get (client, key, NULL);
 571
 572         if (val != NULL) {
 573
 574                 if ( val->type == GCONF_VALUE_BOOL ) {
 575                         retval = gconf_value_get_bool (val);
 576                 } else {
 577                         retval = def;
 578                 }
 579
 580                 gconf_value_free (val);
 581
 582                 return retval;
 583
 584         } else {
 585
 586                 return def;
 587
 588         }
 589 }
 590
 591 static gint
 592 get_int (GConfClient *client,
 593          const gchar *key,
 594          gint         def)
 595 {
 596         GConfValue* val;
 597         gint retval;
 598
 599         val = gconf_client_get (client, key, NULL);
 600
 601         if (val != NULL) {
 602
 603                 if ( val->type == GCONF_VALUE_INT) {
 604                         retval = gconf_value_get_int(val);
 605                 } else {
 606                         retval = def;
 607                 }
 608
 609                 gconf_value_free (val);
 610
 611                 return retval;
 612
 613         } else {
 614
 615                 return def;
 616
 617         }
 618 }
 619
 620 static gdouble
 621 get_float (GConfClient *client,
 622            const gchar *key,
 623            gdouble      def)
 624 {
 625         GConfValue* val;
 626         gdouble retval;
 627
 628         val = gconf_client_get (client, key, NULL);
 629
 630         if (val != NULL) {
 631
 632                 if ( val->type == GCONF_VALUE_FLOAT ) {
 633                         retval = gconf_value_get_float(val);
 634                 } else {
 635                         retval = def;
 636                 }
 637
 638                 gconf_value_free (val);
 639
 640                 return retval;
 641
 642         } else {
 643                 return def;
 644
 645         }
 646 }
 647
 648 /*---------------------------------------------------------------------------*/
 649 /* PRIVATE.  Utilities to deal with units.                                   */
 650 /*---------------------------------------------------------------------------*/
 651 static glUnitsType
 652 string_to_units (const gchar *string)
 653 {
 654         glUnitsType units;
 655
 656         if (g_strcasecmp (string, "Points") == 0) {
 657                 units = GL_UNITS_POINT;
 658         } else if (g_strcasecmp (string, "Inches") == 0) {
 659                 units = GL_UNITS_INCH;
 660         } else if (g_strcasecmp (string, "Millimeters") == 0) {
 661                 units = GL_UNITS_MM;
 662         } else {
 663                 units = GL_UNITS_INCH;
 664         }
 665
 666         return units;
 667 }
 668
 669 static const
 670 gchar *units_to_string (glUnitsType units)
 671 {
 672         switch (units) {
 673         case GL_UNITS_POINT:
 674                 return "Points";
 675                 break;
 676         case GL_UNITS_INCH:
 677                 return "Inches";
 678                 break;
 679         case GL_UNITS_MM:
 680                 return "Millimeters";
 681                 break;
 682         default:
 683                 return "Inches";
 684                 break;
 685         }
 686 }
 687
 688