git.sur5r.net Git - glabels/blob - src/object-editor-bc-page.c

   1 /*
   2  *  object-editor-bc-page.c
   3  *  Copyright (C) 2003-2009  Jim Evins <evins@snaught.com>.
   4  *
   5  *  This file is part of gLabels.
   6  *
   7  *  gLabels is free software: you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation, either version 3 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  gLabels is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with gLabels.  If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include <config.h>
  22
  23 #include "object-editor.h"
  24
  25 #include <glib/gi18n.h>
  26 #include <gtk/gtk.h>
  27 #include <math.h>
  28
  29 #include "prefs.h"
  30 #include "color-combo.h"
  31 #include "color.h"
  32 #include "field-button.h"
  33 #include "combo-util.h"
  34 #include "builder-util.h"
  35 #include "bc-backends.h"
  36
  37 #include "object-editor-private.h"
  38
  39 #include "debug.h"
  40
  41
  42 /*===========================================*/
  43 /* Private macros                            */
  44 /*===========================================*/
  45
  46
  47 /*===========================================*/
  48 /* Private data types                        */
  49 /*===========================================*/
  50
  51
  52 /*===========================================*/
  53 /* Private globals                           */
  54 /*===========================================*/
  55
  56
  57 /*===========================================*/
  58 /* Local function prototypes                 */
  59 /*===========================================*/
  60
  61 static void backend_changed_cb          (glObjectEditor       *editor);
  62 static void style_changed_cb            (glObjectEditor       *editor);
  63 static void bc_radio_toggled_cb         (glObjectEditor       *editor);
  64 static void data_digits_spin_changed_cb (glObjectEditor       *editor);
  65
  66
  67 /*--------------------------------------------------------------------------*/
  68 /* PRIVATE.  Prepare size page.                                             */
  69 /*--------------------------------------------------------------------------*/
  70 void
  71 gl_object_editor_prepare_bc_page (glObjectEditor       *editor)
  72 {
  73         GList        *backends = NULL;
  74         GList        *p;
  75
  76         gl_debug (DEBUG_EDITOR, "START");
  77
  78         /* Extract widgets from XML tree. */
  79         gl_builder_util_get_widgets (editor->priv->builder,
  80                                      "bc_page_vbox",      &editor->priv->bc_page_vbox,
  81                                      "bc_backend_combo",  &editor->priv->bc_backend_combo,
  82                                      "bc_style_combo",    &editor->priv->bc_style_combo,
  83                                      "bc_text_check",     &editor->priv->bc_text_check,
  84                                      "bc_cs_check",       &editor->priv->bc_cs_check,
  85                                      "bc_color_hbox",     &editor->priv->bc_color_hbox,
  86                                      "bc_key_hbox",       &editor->priv->bc_key_hbox,
  87                                      "bc_key_radio",      &editor->priv->bc_key_radio,
  88                                      "bc_color_radio",    &editor->priv->bc_color_radio,
  89                                      "data_format_label", &editor->priv->data_format_label,
  90                                      "data_ex_label",     &editor->priv->data_ex_label,
  91                                      "data_digits_label", &editor->priv->data_digits_label,
  92                                      "data_digits_spin",  &editor->priv->data_digits_spin,
  93                                      NULL);
  94
  95         editor->priv->data_format_fixed_flag = FALSE;
  96
  97         editor->priv->bc_color_combo = gl_color_combo_new (_("Default"),
  98                                                            GL_COLOR_BC_DEFAULT,
  99                                                            gl_prefs_model_get_default_line_color (gl_prefs));
 100         gtk_box_pack_start (GTK_BOX (editor->priv->bc_color_hbox),
 101                             editor->priv->bc_color_combo,
 102                             FALSE, FALSE, 0);
 103
 104         editor->priv->bc_key_combo = gl_field_button_new (NULL);
 105         gtk_box_pack_start (GTK_BOX (editor->priv->bc_key_hbox),
 106                             editor->priv->bc_key_combo,
 107                             TRUE, TRUE, 0);
 108
 109         gl_combo_util_add_text_model ( GTK_COMBO_BOX(editor->priv->bc_backend_combo));
 110         gl_combo_util_add_text_model ( GTK_COMBO_BOX(editor->priv->bc_style_combo));
 111
 112         /* Load barcode backends */
 113         backends = gl_barcode_backends_get_backend_list ();
 114         gl_combo_util_set_strings (GTK_COMBO_BOX(editor->priv->bc_backend_combo),
 115                                    backends);
 116
 117         /* Kludge: Load styles for each backend once, so that when they are loaded for real the size of
 118          * of the widget has already been established and does't cause the sidebar to change size. */
 119         for ( p = backends; p != NULL; p=p->next )
 120         {
 121                 gl_object_editor_load_bc_styles (editor, gl_barcode_backends_backend_name_to_id ((gchar *)p->data));
 122         }
 123
 124         gl_barcode_backends_free_backend_list (backends);
 125
 126         /* Modify widgets */
 127         gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (editor->priv->bc_color_radio), TRUE);
 128         gtk_widget_set_sensitive (editor->priv->bc_color_combo, TRUE);
 129         gtk_widget_set_sensitive (editor->priv->bc_key_combo, FALSE);
 130
 131         /* Un-hide */
 132         gtk_widget_show_all (editor->priv->bc_page_vbox);
 133
 134         /* Connect signals */
 135         g_signal_connect_swapped (G_OBJECT (editor->priv->bc_backend_combo),
 136                                   "changed",
 137                                   G_CALLBACK (backend_changed_cb),
 138                                   G_OBJECT (editor));
 139         g_signal_connect_swapped (G_OBJECT (editor->priv->bc_style_combo),
 140                                   "changed",
 141                                   G_CALLBACK (style_changed_cb),
 142                                   G_OBJECT (editor));
 143         g_signal_connect_swapped (G_OBJECT (editor->priv->bc_text_check),
 144                                   "toggled",
 145                                   G_CALLBACK (gl_object_editor_changed_cb),
 146                                   G_OBJECT (editor));
 147         g_signal_connect_swapped (G_OBJECT (editor->priv->bc_cs_check),
 148                                   "toggled",
 149                                   G_CALLBACK (gl_object_editor_changed_cb),
 150                                   G_OBJECT (editor));
 151         g_signal_connect_swapped (G_OBJECT (editor->priv->bc_color_combo),
 152                                   "color_changed",
 153                                   G_CALLBACK (gl_object_editor_changed_cb),
 154                                   G_OBJECT (editor));
 155         g_signal_connect_swapped (G_OBJECT (editor->priv->bc_key_combo),
 156                                   "changed",
 157                                   G_CALLBACK (gl_object_editor_changed_cb),
 158                                   G_OBJECT (editor));
 159         g_signal_connect_swapped (G_OBJECT (editor->priv->bc_color_radio),
 160                                   "toggled",
 161                                   G_CALLBACK (bc_radio_toggled_cb),
 162                                   G_OBJECT (editor));
 163         g_signal_connect_swapped (G_OBJECT (editor->priv->bc_key_radio),
 164                                   "toggled",
 165                                   G_CALLBACK (bc_radio_toggled_cb),
 166                                   G_OBJECT (editor));
 167         g_signal_connect_swapped (G_OBJECT (editor->priv->data_digits_spin),
 168                                   "changed",
 169                                   G_CALLBACK (data_digits_spin_changed_cb),
 170                                   G_OBJECT (editor));
 171
 172         gl_debug (DEBUG_EDITOR, "END");
 173 }
 174
 175
 176 /*--------------------------------------------------------------------------*/
 177 /* PRIVATE.  Callback for when backend has changed.                         */
 178 /*--------------------------------------------------------------------------*/
 179 static void
 180 backend_changed_cb (glObjectEditor       *editor)
 181 {
 182         gchar          *backend_name = NULL;
 183         const gchar    *backend_id;
 184         const gchar    *style_name;
 185
 186         if (editor->priv->stop_signals) return;
 187
 188         backend_name =
 189                 gtk_combo_box_get_active_text (GTK_COMBO_BOX (editor->priv->bc_backend_combo));
 190
 191         backend_id = gl_barcode_backends_backend_name_to_id (backend_name);
 192
 193         gl_object_editor_load_bc_styles (editor, backend_id);
 194
 195         style_name = gl_barcode_backends_style_id_to_name (backend_id, NULL);
 196         gl_combo_util_set_active_text (GTK_COMBO_BOX (editor->priv->bc_style_combo),
 197                                        style_name);
 198
 199         g_free (backend_name);
 200 }
 201
 202
 203 /*--------------------------------------------------------------------------*/
 204 /* PRIVATE.  Callback for when style has changed.                           */
 205 /*--------------------------------------------------------------------------*/
 206 static void
 207 style_changed_cb (glObjectEditor       *editor)
 208 {
 209         gchar          *backend_name = NULL;
 210         const gchar    *backend_id;
 211         gchar          *style_string = NULL;
 212         const gchar    *id;
 213         gchar          *ex_string = NULL;
 214         guint           digits;
 215
 216         if (editor->priv->stop_signals) return;
 217
 218         backend_name =
 219                 gtk_combo_box_get_active_text (GTK_COMBO_BOX (editor->priv->bc_backend_combo));
 220
 221         backend_id = gl_barcode_backends_backend_name_to_id (backend_name);
 222
 223         style_string =
 224                 gtk_combo_box_get_active_text (GTK_COMBO_BOX (editor->priv->bc_style_combo));
 225
 226         /* Don't emit if entry is empty. */
 227         if ( style_string && *style_string != 0 ) {
 228                 id = gl_barcode_backends_style_name_to_id (backend_id, style_string);
 229
 230                 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(editor->priv->bc_text_check),
 231                                               gl_barcode_backends_style_can_text (backend_id, id));
 232                 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(editor->priv->bc_cs_check),
 233                                               gl_barcode_backends_style_can_csum (backend_id, id));
 234
 235                 gtk_widget_set_sensitive (editor->priv->bc_text_check,
 236                                           gl_barcode_backends_style_text_optional (backend_id, id));
 237                 gtk_widget_set_sensitive (editor->priv->bc_cs_check,
 238                                           gl_barcode_backends_style_csum_optional (backend_id, id));
 239
 240                 editor->priv->data_format_fixed_flag = !gl_barcode_backends_style_can_freeform (backend_id, id);
 241                 digits = gl_barcode_backends_style_get_prefered_n(backend_id, id);
 242                 gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->priv->data_digits_spin), digits);
 243
 244                 ex_string = gl_barcode_backends_style_default_digits (backend_id, id, digits);
 245                 gtk_label_set_text (GTK_LABEL(editor->priv->data_ex_label), ex_string);
 246
 247                 if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->priv->data_literal_radio))) {
 248                         gtk_widget_set_sensitive (editor->priv->data_format_label, FALSE);
 249                         gtk_widget_set_sensitive (editor->priv->data_ex_label, FALSE);
 250                         gtk_widget_set_sensitive (editor->priv->data_digits_label, FALSE);
 251                         gtk_widget_set_sensitive (editor->priv->data_digits_spin, FALSE);
 252                 } else {
 253                         gtk_widget_set_sensitive (editor->priv->data_format_label, TRUE);
 254                         gtk_widget_set_sensitive (editor->priv->data_ex_label, TRUE);
 255                         gtk_widget_set_sensitive (editor->priv->data_digits_label,
 256                                                   !editor->priv->data_format_fixed_flag);
 257                         gtk_widget_set_sensitive (editor->priv->data_digits_spin,
 258                                                   !editor->priv->data_format_fixed_flag);
 259                 }
 260
 261                 gl_object_editor_changed_cb (editor);
 262         }
 263
 264         g_free (style_string);
 265         g_free (ex_string);
 266 }
 267
 268
 269 /*****************************************************************************/
 270 /* Load barcode styles based on backend_id.                                  */
 271 /*****************************************************************************/
 272 void
 273 gl_object_editor_load_bc_styles (glObjectEditor      *editor,
 274                                  const gchar         *backend_id)
 275 {
 276         GList       *styles;
 277
 278         gl_debug (DEBUG_EDITOR, "START");
 279
 280         editor->priv->stop_signals = TRUE;
 281
 282         styles = gl_barcode_backends_get_styles_list (backend_id);
 283         gl_combo_util_set_strings (GTK_COMBO_BOX(editor->priv->bc_style_combo), styles);
 284         gl_barcode_backends_free_styles_list (styles);
 285
 286         editor->priv->stop_signals = FALSE;
 287
 288         gl_debug (DEBUG_EDITOR, "END");
 289 }
 290
 291
 292 /*****************************************************************************/
 293 /* Set barcode style.                                                        */
 294 /*****************************************************************************/
 295 void
 296 gl_object_editor_set_bc_style (glObjectEditor            *editor,
 297                                const glLabelBarcodeStyle *bc_style)
 298 {
 299         const gchar *backend_name;
 300         const gchar *style_name;
 301         gchar       *ex_string;
 302         gint         format_digits;
 303
 304         gl_debug (DEBUG_EDITOR, "START");
 305
 306         editor->priv->stop_signals = TRUE;
 307
 308         backend_name = gl_barcode_backends_backend_id_to_name (bc_style->backend_id);
 309         style_name   = gl_barcode_backends_style_id_to_name (bc_style->backend_id, bc_style->id);
 310
 311         gl_combo_util_set_active_text (GTK_COMBO_BOX (editor->priv->bc_backend_combo),
 312                                        backend_name);
 313         gl_combo_util_set_active_text (GTK_COMBO_BOX (editor->priv->bc_style_combo),
 314                                        style_name);
 315
 316         gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (editor->priv->bc_text_check),
 317                                       bc_style->text_flag);
 318
 319         gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (editor->priv->bc_cs_check),
 320                                       bc_style->checksum_flag);
 321
 322         gtk_widget_set_sensitive (editor->priv->bc_text_check,
 323                                   gl_barcode_backends_style_text_optional (bc_style->backend_id, bc_style->id));
 324         gtk_widget_set_sensitive (editor->priv->bc_cs_check,
 325                                   gl_barcode_backends_style_csum_optional (bc_style->backend_id, bc_style->id));
 326
 327         editor->priv->data_format_fixed_flag = !gl_barcode_backends_style_can_freeform (bc_style->backend_id, bc_style->id);
 328
 329         format_digits = bc_style->format_digits;
 330         if (editor->priv->data_format_fixed_flag) {
 331                 format_digits = gl_barcode_backends_style_get_prefered_n (bc_style->backend_id, bc_style->id);
 332         }
 333
 334         ex_string = gl_barcode_backends_style_default_digits (bc_style->backend_id, bc_style->id, format_digits);
 335         gtk_label_set_text (GTK_LABEL(editor->priv->data_ex_label), ex_string);
 336         g_free (ex_string);
 337
 338         gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->priv->data_digits_spin), format_digits);
 339
 340         if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->priv->data_literal_radio))) {
 341                 gtk_widget_set_sensitive (editor->priv->data_format_label, FALSE);
 342                 gtk_widget_set_sensitive (editor->priv->data_ex_label, FALSE);
 343                 gtk_widget_set_sensitive (editor->priv->data_digits_label, FALSE);
 344                 gtk_widget_set_sensitive (editor->priv->data_digits_spin, FALSE);
 345         } else {
 346                 gtk_widget_set_sensitive (editor->priv->data_format_label, TRUE);
 347                 gtk_widget_set_sensitive (editor->priv->data_ex_label, TRUE);
 348                 gtk_widget_set_sensitive (editor->priv->data_digits_label,
 349                                           !editor->priv->data_format_fixed_flag);
 350                 gtk_widget_set_sensitive (editor->priv->data_digits_spin,
 351                                           !editor->priv->data_format_fixed_flag);
 352         }
 353
 354         editor->priv->stop_signals = FALSE;
 355
 356         gl_debug (DEBUG_EDITOR, "END");
 357 }
 358
 359
 360 /*****************************************************************************/
 361 /* Query barcode style.                                                      */
 362 /*****************************************************************************/
 363 glLabelBarcodeStyle *
 364 gl_object_editor_get_bc_style (glObjectEditor      *editor)
 365 {
 366         gchar       *backend_name;
 367         const gchar *backend_id;
 368         gchar       *style_name;
 369         const gchar *id;
 370
 371         glLabelBarcodeStyle *bc_style;
 372
 373         gl_debug (DEBUG_EDITOR, "START");
 374
 375         backend_name = gtk_combo_box_get_active_text (GTK_COMBO_BOX (editor->priv->bc_backend_combo));
 376         backend_id = gl_barcode_backends_backend_name_to_id (backend_name);
 377
 378         style_name = gtk_combo_box_get_active_text (GTK_COMBO_BOX (editor->priv->bc_style_combo));
 379         id = gl_barcode_backends_style_name_to_id (backend_id, style_name);
 380
 381         bc_style = gl_label_barcode_style_new ();
 382
 383         gl_label_barcode_style_set_backend_id (bc_style, backend_id);
 384         gl_label_barcode_style_set_style_id (bc_style, id);
 385
 386         bc_style->text_flag     = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->priv->bc_text_check));
 387         bc_style->checksum_flag = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->priv->bc_cs_check));
 388         bc_style->format_digits = gtk_spin_button_get_value (GTK_SPIN_BUTTON(editor->priv->data_digits_spin));
 389
 390         g_free (backend_name);
 391         g_free (style_name);
 392
 393         gl_debug (DEBUG_EDITOR, "END");
 394
 395         return bc_style;
 396 }
 397
 398
 399 /*****************************************************************************/
 400 /* Set bc color.                                                             */
 401 /*****************************************************************************/
 402 void
 403 gl_object_editor_set_bc_color (glObjectEditor      *editor,
 404                                gboolean             merge_flag,
 405                                glColorNode         *color_node)
 406 {
 407         gl_debug (DEBUG_EDITOR, "START");
 408
 409         editor->priv->stop_signals = TRUE;
 410
 411         gtk_widget_set_sensitive (editor->priv->bc_key_radio, merge_flag);
 412
 413         if ( color_node->color == GL_COLOR_NONE ) {
 414
 415                 gl_color_combo_set_to_default (GL_COLOR_COMBO(editor->priv->bc_color_combo));
 416
 417         } else {
 418
 419                 gl_color_combo_set_color (GL_COLOR_COMBO(editor->priv->bc_color_combo),
 420                                           color_node->color);
 421         }
 422
 423         if (!color_node->field_flag || !merge_flag) {
 424                 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
 425                                                   (editor->priv->bc_color_radio), TRUE);
 426                 gtk_widget_set_sensitive (editor->priv->bc_color_combo, TRUE);
 427                 gtk_widget_set_sensitive (editor->priv->bc_key_combo, FALSE);
 428
 429         } else {
 430                 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
 431                                                   (editor->priv->bc_key_radio), TRUE);
 432                 gtk_widget_set_sensitive (editor->priv->bc_color_combo, FALSE);
 433                 gtk_widget_set_sensitive (editor->priv->bc_key_combo, TRUE);
 434
 435                 gl_field_button_set_key (GL_FIELD_BUTTON (editor->priv->bc_key_combo),
 436                                            color_node->key);
 437         }
 438
 439         editor->priv->stop_signals = FALSE;
 440
 441         gl_debug (DEBUG_EDITOR, "END");
 442 }
 443
 444
 445 /*****************************************************************************/
 446 /* Query bc color.                                                           */
 447 /*****************************************************************************/
 448 glColorNode*
 449 gl_object_editor_get_bc_color (glObjectEditor      *editor)
 450 {
 451         guint         color;
 452         glColorNode  *color_node;
 453         gboolean      is_default;
 454
 455         gl_debug (DEBUG_EDITOR, "START");
 456
 457         color_node = gl_color_node_new_default ();
 458
 459         if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->priv->bc_key_radio))) {
 460                 color_node->field_flag = TRUE;
 461                 color_node->color = gl_prefs_model_get_default_line_color (gl_prefs);
 462                 color_node->key =
 463                         gl_field_button_get_key (GL_FIELD_BUTTON (editor->priv->bc_key_combo));
 464         } else {
 465                 color_node->field_flag = FALSE;
 466                 color_node->key = NULL;
 467                 color = gl_color_combo_get_color (GL_COLOR_COMBO(editor->priv->bc_color_combo),
 468                                                   &is_default);
 469
 470                 if (is_default) {
 471                         color_node->color = gl_prefs_model_get_default_line_color (gl_prefs);
 472                 } else {
 473                         color_node->color = color;
 474                 }
 475         }
 476
 477         gl_debug (DEBUG_EDITOR, "END");
 478
 479         return color_node;
 480 }
 481
 482
 483 /*--------------------------------------------------------------------------*/
 484 /* PRIVATE.  barcode color radio callback.                                  */
 485 /*--------------------------------------------------------------------------*/
 486 static void
 487 bc_radio_toggled_cb (glObjectEditor *editor)
 488 {
 489         if (editor->priv->stop_signals) return;
 490
 491         gl_debug (DEBUG_EDITOR, "START");
 492
 493         if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->priv->bc_color_radio))) {
 494                 gtk_widget_set_sensitive (editor->priv->bc_color_combo, TRUE);
 495                 gtk_widget_set_sensitive (editor->priv->bc_key_combo, FALSE);
 496         } else {
 497                 gtk_widget_set_sensitive (editor->priv->bc_color_combo, FALSE);
 498                 gtk_widget_set_sensitive (editor->priv->bc_key_combo, TRUE);
 499
 500         }
 501
 502         gl_object_editor_changed_cb (editor);
 503 }
 504
 505
 506 /*--------------------------------------------------------------------------*/
 507 /* PRIVATE.  digits spin changed callback.                                  */
 508 /*--------------------------------------------------------------------------*/
 509 static void
 510 data_digits_spin_changed_cb (glObjectEditor *editor)
 511 {
 512         gchar          *backend_name;
 513         const gchar    *backend_id;
 514         gchar          *style_name;
 515         const gchar    *id;
 516         guint           digits;
 517         gchar          *ex_string;
 518
 519         if (editor->priv->stop_signals) return;
 520
 521         backend_name = gtk_combo_box_get_active_text (GTK_COMBO_BOX (editor->priv->bc_backend_combo));
 522         backend_id = gl_barcode_backends_backend_name_to_id (backend_name);
 523
 524         style_name = gtk_combo_box_get_active_text (GTK_COMBO_BOX (editor->priv->bc_style_combo));
 525         if ( *style_name != 0 ) {
 526                 id = gl_barcode_backends_style_name_to_id (backend_id, style_name);
 527
 528                 digits = gtk_spin_button_get_value (GTK_SPIN_BUTTON (editor->priv->data_digits_spin));
 529                 ex_string = gl_barcode_backends_style_default_digits (backend_id, id, digits);
 530                 gtk_label_set_text (GTK_LABEL(editor->priv->data_ex_label), ex_string);
 531         }
 532
 533         g_free (backend_name);
 534         g_free (style_name);
 535         g_free (ex_string);
 536
 537         gl_object_editor_changed_cb (editor);
 538 }
 539
 540
 541
 542 /*
 543  * Local Variables:       -- emacs
 544  * mode: C                -- emacs
 545  * c-basic-offset: 8      -- emacs
 546  * tab-width: 8           -- emacs
 547  * indent-tabs-mode: nil  -- emacs
 548  * End:                   -- emacs
 549  */