git.sur5r.net Git - glabels/blob - src/object-editor-bc-page.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 <gtk/gtklabel.h>
  30 #include <gtk/gtkspinbutton.h>
  31 #include <gtk/gtkcombobox.h>
  32 #include <gtk/gtktogglebutton.h>
  33 #include <math.h>
  34
  35 #include "prefs.h"
  36 #include "mygal/widget-color-combo.h"
  37 #include "color.h"
  38 #include "util.h"
  39
  40 #include "object-editor-private.h"
  41
  42 #include "debug.h"
  43
  44 /*===========================================*/
  45 /* Private macros                            */
  46 /*===========================================*/
  47
  48 /*===========================================*/
  49 /* Private data types                        */
  50 /*===========================================*/
  51
  52 /*===========================================*/
  53 /* Private globals                           */
  54 /*===========================================*/
  55
  56 /*===========================================*/
  57 /* Local function prototypes                 */
  58 /*===========================================*/
  59
  60 static void style_changed_cb     (glObjectEditor       *editor);
  61 static void bc_radio_toggled_cb  (glObjectEditor       *editor);
  62
  63
  64 /*--------------------------------------------------------------------------*/
  65 /* PRIVATE.  Prepare size page.                                             */
  66 /*--------------------------------------------------------------------------*/
  67 void
  68 gl_object_editor_prepare_bc_page (glObjectEditor       *editor)
  69 {
  70         GList        *styles = NULL;
  71
  72         gl_debug (DEBUG_EDITOR, "START");
  73
  74         /* Extract widgets from XML tree. */
  75         editor->priv->bc_page_vbox =
  76                 glade_xml_get_widget (editor->priv->gui, "bc_page_vbox");
  77         editor->priv->bc_style_combo =
  78                 glade_xml_get_widget (editor->priv->gui, "bc_style_combo");
  79         editor->priv->bc_text_check =
  80                 glade_xml_get_widget (editor->priv->gui, "bc_text_check");
  81         editor->priv->bc_cs_check =
  82                 glade_xml_get_widget (editor->priv->gui, "bc_cs_check");
  83         editor->priv->bc_color_combo =
  84                 glade_xml_get_widget (editor->priv->gui, "bc_color_combo");
  85         editor->priv->bc_key_combo =
  86                 glade_xml_get_widget (editor->priv->gui, "bc_key_combo");
  87         editor->priv->bc_key_radio =
  88                 glade_xml_get_widget (editor->priv->gui, "bc_key_radio");
  89         editor->priv->bc_color_radio =
  90                 glade_xml_get_widget (editor->priv->gui, "bc_color_radio");
  91         editor->priv->data_format_label =
  92                 glade_xml_get_widget (editor->priv->gui, "data_format_label");
  93         editor->priv->data_ex_label =
  94                 glade_xml_get_widget (editor->priv->gui, "data_ex_label");
  95         editor->priv->data_digits_label =
  96                 glade_xml_get_widget (editor->priv->gui, "data_digits_label");
  97         editor->priv->data_digits_spin =
  98                 glade_xml_get_widget (editor->priv->gui, "data_digits_spin");
  99
 100         editor->priv->data_format_fixed_flag = FALSE;
 101
 102         gl_util_combo_box_add_text_model ( GTK_COMBO_BOX(editor->priv->bc_style_combo));
 103         gl_util_combo_box_add_text_model ( GTK_COMBO_BOX(editor->priv->bc_key_combo));
 104
 105         /* Load barcode styles */
 106         styles = gl_barcode_get_styles_list ();
 107         gl_util_combo_box_set_strings (GTK_COMBO_BOX(editor->priv->bc_style_combo),
 108                                        styles);
 109         gl_barcode_free_styles_list (styles);
 110
 111         /* Modify widgets */
 112         gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (editor->priv->bc_color_radio), TRUE);
 113         gtk_widget_set_sensitive (editor->priv->bc_color_combo, TRUE);
 114         gtk_widget_set_sensitive (editor->priv->bc_key_combo, FALSE);
 115
 116         /* Un-hide */
 117         gtk_widget_show_all (editor->priv->bc_page_vbox);
 118
 119         /* Connect signals */
 120         g_signal_connect_swapped (G_OBJECT (editor->priv->bc_style_combo),
 121                                   "changed",
 122                                   G_CALLBACK (style_changed_cb),
 123                                   G_OBJECT (editor));
 124         g_signal_connect_swapped (G_OBJECT (editor->priv->bc_text_check),
 125                                   "toggled",
 126                                   G_CALLBACK (gl_object_editor_changed_cb),
 127                                   G_OBJECT (editor));
 128         g_signal_connect_swapped (G_OBJECT (editor->priv->bc_cs_check),
 129                                   "toggled",
 130                                   G_CALLBACK (gl_object_editor_changed_cb),
 131                                   G_OBJECT (editor));
 132         g_signal_connect_swapped (G_OBJECT (editor->priv->bc_color_combo),
 133                                   "color_changed",
 134                                   G_CALLBACK (gl_object_editor_changed_cb),
 135                                   G_OBJECT (editor));
 136         g_signal_connect_swapped (G_OBJECT (editor->priv->bc_key_combo),
 137                                   "changed",
 138                                   G_CALLBACK (gl_object_editor_changed_cb),
 139                                   G_OBJECT (editor));
 140         g_signal_connect_swapped (G_OBJECT (editor->priv->bc_color_radio),
 141                                   "toggled",
 142                                   G_CALLBACK (bc_radio_toggled_cb),
 143                                   G_OBJECT (editor));
 144         g_signal_connect_swapped (G_OBJECT (editor->priv->bc_key_radio),
 145                                   "toggled",
 146                                   G_CALLBACK (bc_radio_toggled_cb),
 147                                   G_OBJECT (editor));
 148         g_signal_connect_swapped (G_OBJECT (editor->priv->data_digits_spin),
 149                                   "changed",
 150                                   G_CALLBACK (gl_object_editor_changed_cb),
 151                                   G_OBJECT (editor));
 152
 153         gl_debug (DEBUG_EDITOR, "END");
 154 }
 155
 156 /*--------------------------------------------------------------------------*/
 157 /* PRIVATE.  Callback for when style has changed.                           */
 158 /*--------------------------------------------------------------------------*/
 159 static void
 160 style_changed_cb (glObjectEditor       *editor)
 161 {
 162         gchar          *style_string = NULL;
 163         const gchar    *id;
 164         gchar          *ex_string = NULL;
 165         guint           digits;
 166
 167         if (editor->priv->stop_signals) return;
 168
 169         style_string =
 170                 gtk_combo_box_get_active_text (GTK_COMBO_BOX (editor->priv->bc_style_combo));
 171
 172         /* Don't emit if entry is empty. */
 173         if ( *style_string != 0 ) {
 174                 id = gl_barcode_name_to_id (style_string);
 175
 176                 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(editor->priv->bc_text_check),
 177                                               gl_barcode_can_text (id));
 178                 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(editor->priv->bc_cs_check),
 179                                               gl_barcode_can_csum (id));
 180
 181                 gtk_widget_set_sensitive (editor->priv->bc_text_check,
 182                                           gl_barcode_text_optional (id));
 183                 gtk_widget_set_sensitive (editor->priv->bc_cs_check,
 184                                           gl_barcode_csum_optional (id));
 185
 186                 editor->priv->data_format_fixed_flag = !gl_barcode_can_freeform (id);
 187                 digits = gtk_spin_button_get_value (GTK_SPIN_BUTTON (editor->priv->data_digits_spin));
 188                 if (editor->priv->data_format_fixed_flag) {
 189                         digits = gl_barcode_get_prefered_n(id);
 190                         gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->priv->data_digits_spin),
 191                                                    digits);
 192                 }
 193
 194                 ex_string = gl_barcode_default_digits (id, digits);
 195                 gtk_label_set_text (GTK_LABEL(editor->priv->data_ex_label), ex_string);
 196
 197                 if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->priv->data_literal_radio))) {
 198                         gtk_widget_set_sensitive (editor->priv->data_format_label, FALSE);
 199                         gtk_widget_set_sensitive (editor->priv->data_ex_label, FALSE);
 200                         gtk_widget_set_sensitive (editor->priv->data_digits_label, FALSE);
 201                         gtk_widget_set_sensitive (editor->priv->data_digits_spin, FALSE);
 202                 } else {
 203                         gtk_widget_set_sensitive (editor->priv->data_format_label, TRUE);
 204                         gtk_widget_set_sensitive (editor->priv->data_ex_label, TRUE);
 205                         gtk_widget_set_sensitive (editor->priv->data_digits_label,
 206                                                   !editor->priv->data_format_fixed_flag);
 207                         gtk_widget_set_sensitive (editor->priv->data_digits_spin,
 208                                                   !editor->priv->data_format_fixed_flag);
 209                 }
 210
 211                 /* Emit our "changed" signal */
 212                 g_signal_emit (G_OBJECT (editor), gl_object_editor_signals[CHANGED], 0);
 213         }
 214
 215         g_free (style_string);
 216         g_free (ex_string);
 217 }
 218
 219 /*****************************************************************************/
 220 /* Set barcode style.                                                        */
 221 /*****************************************************************************/
 222 void
 223 gl_object_editor_set_bc_style (glObjectEditor      *editor,
 224                                gchar               *id,
 225                                gboolean             text_flag,
 226                                gboolean             checksum_flag,
 227                                guint                format_digits)
 228 {
 229         const gchar *style_string;
 230         gchar       *ex_string;
 231
 232         gl_debug (DEBUG_EDITOR, "START");
 233
 234         editor->priv->stop_signals = TRUE;
 235
 236         style_string = gl_barcode_id_to_name (id);
 237
 238         gl_util_combo_box_set_active_text (GTK_COMBO_BOX (editor->priv->bc_style_combo),
 239                                            style_string);
 240
 241         gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (editor->priv->bc_text_check),
 242                                       text_flag);
 243
 244         gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (editor->priv->bc_cs_check),
 245                                       checksum_flag);
 246
 247         gtk_widget_set_sensitive (editor->priv->bc_text_check,
 248                                   gl_barcode_text_optional (id));
 249         gtk_widget_set_sensitive (editor->priv->bc_cs_check,
 250                                   gl_barcode_csum_optional (id));
 251
 252         editor->priv->data_format_fixed_flag = !gl_barcode_can_freeform (id);
 253
 254         if (editor->priv->data_format_fixed_flag) {
 255                 format_digits = gl_barcode_get_prefered_n (id);
 256         }
 257
 258         ex_string = gl_barcode_default_digits (id, format_digits);
 259         gtk_label_set_text (GTK_LABEL(editor->priv->data_ex_label), ex_string);
 260         g_free (ex_string);
 261
 262         gtk_spin_button_set_value (GTK_SPIN_BUTTON (editor->priv->data_digits_spin),
 263                                    format_digits);
 264
 265         if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->priv->data_literal_radio))) {
 266                 gtk_widget_set_sensitive (editor->priv->data_format_label, FALSE);
 267                 gtk_widget_set_sensitive (editor->priv->data_ex_label, FALSE);
 268                 gtk_widget_set_sensitive (editor->priv->data_digits_label, FALSE);
 269                 gtk_widget_set_sensitive (editor->priv->data_digits_spin, FALSE);
 270         } else {
 271                 gtk_widget_set_sensitive (editor->priv->data_format_label, TRUE);
 272                 gtk_widget_set_sensitive (editor->priv->data_ex_label, TRUE);
 273                 gtk_widget_set_sensitive (editor->priv->data_digits_label,
 274                                           !editor->priv->data_format_fixed_flag);
 275                 gtk_widget_set_sensitive (editor->priv->data_digits_spin,
 276                                           !editor->priv->data_format_fixed_flag);
 277         }
 278
 279         editor->priv->stop_signals = FALSE;
 280
 281         gl_debug (DEBUG_EDITOR, "END");
 282 }
 283
 284 /*****************************************************************************/
 285 /* Query barcode style.                                                      */
 286 /*****************************************************************************/
 287 void
 288 gl_object_editor_get_bc_style (glObjectEditor      *editor,
 289                                gchar              **id,
 290                                gboolean            *text_flag,
 291                                gboolean            *checksum_flag,
 292                                guint               *format_digits)
 293 {
 294         gchar *style_string;
 295
 296         gl_debug (DEBUG_EDITOR, "START");
 297
 298         style_string =
 299                 gtk_combo_box_get_active_text (GTK_COMBO_BOX (editor->priv->bc_style_combo));
 300         *id = g_strdup (gl_barcode_name_to_id (style_string));
 301
 302         *text_flag =
 303             gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->priv->bc_text_check));
 304
 305         *checksum_flag =
 306             gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->priv->bc_cs_check));
 307
 308
 309         *format_digits =
 310                 gtk_spin_button_get_value (GTK_SPIN_BUTTON(editor->priv->data_digits_spin));
 311
 312         g_free (style_string);
 313
 314         gl_debug (DEBUG_EDITOR, "END");
 315 }
 316
 317 /*****************************************************************************/
 318 /* Set bc color.                                                             */
 319 /*****************************************************************************/
 320 void
 321 gl_object_editor_set_bc_color (glObjectEditor      *editor,
 322                                gboolean             merge_flag,
 323                                glColorNode         *color_node)
 324 {
 325         GdkColor *gdk_color;
 326
 327         gl_debug (DEBUG_EDITOR, "START");
 328
 329         editor->priv->stop_signals = TRUE;
 330
 331         gtk_widget_set_sensitive (editor->priv->bc_key_radio, merge_flag);
 332
 333         if ( color_node->color == GL_COLOR_NONE ) {
 334
 335                 color_combo_set_color_to_default (COLOR_COMBO(editor->priv->bc_color_combo));
 336
 337         } else {
 338
 339                 gdk_color = gl_color_to_gdk_color (color_node->color);
 340                 color_combo_set_color (COLOR_COMBO(editor->priv->bc_color_combo),
 341                                            gdk_color);
 342                 g_free (gdk_color);
 343         }
 344
 345         if (!color_node->field_flag || !merge_flag) {
 346                 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
 347                                                   (editor->priv->bc_color_radio), TRUE);
 348                 gtk_widget_set_sensitive (editor->priv->bc_color_combo, TRUE);
 349                 gtk_widget_set_sensitive (editor->priv->bc_key_combo, FALSE);
 350
 351         } else {
 352                 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
 353                                                   (editor->priv->bc_key_radio), TRUE);
 354                 gtk_widget_set_sensitive (editor->priv->bc_color_combo, FALSE);
 355                 gtk_widget_set_sensitive (editor->priv->bc_key_combo, TRUE);
 356
 357                 gl_util_combo_box_set_active_text (GTK_COMBO_BOX (editor->priv->bc_key_combo),
 358                                                    color_node->key);
 359         }
 360
 361         editor->priv->stop_signals = FALSE;
 362
 363         gl_debug (DEBUG_EDITOR, "END");
 364 }
 365
 366 /*****************************************************************************/
 367 /* Query bc color.                                                           */
 368 /*****************************************************************************/
 369 glColorNode*
 370 gl_object_editor_get_bc_color (glObjectEditor      *editor)
 371 {
 372         GdkColor     *gdk_color;
 373         glColorNode  *color_node;
 374         gboolean      is_default;
 375
 376         gl_debug (DEBUG_EDITOR, "START");
 377
 378         color_node = gl_color_node_new_default ();
 379
 380         if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->priv->bc_key_radio))) {
 381                 color_node->field_flag = TRUE;
 382                 color_node->color = gl_prefs->default_line_color;
 383                 color_node->key =
 384                         gtk_combo_box_get_active_text (GTK_COMBO_BOX (editor->priv->bc_key_combo));
 385         } else {
 386                 color_node->field_flag = FALSE;
 387                 color_node->key = NULL;
 388                 gdk_color = color_combo_get_color (COLOR_COMBO(editor->priv->bc_color_combo),
 389                                            &is_default);
 390
 391                 if (is_default) {
 392                         color_node->color = gl_prefs->default_line_color;
 393                 } else {
 394                         color_node->color = gl_color_from_gdk_color (gdk_color);
 395                 }
 396         }
 397
 398         gl_debug (DEBUG_EDITOR, "END");
 399
 400         return color_node;
 401 }
 402
 403 /*--------------------------------------------------------------------------*/
 404 /* PRIVATE.  barcode color radio callback.                                  */
 405 /*--------------------------------------------------------------------------*/
 406 static void
 407 bc_radio_toggled_cb (glObjectEditor *editor)
 408 {
 409         if (editor->priv->stop_signals) return;
 410
 411         gl_debug (DEBUG_EDITOR, "START");
 412
 413         if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->priv->bc_color_radio))) {
 414                 gtk_widget_set_sensitive (editor->priv->bc_color_combo, TRUE);
 415                 gtk_widget_set_sensitive (editor->priv->bc_key_combo, FALSE);
 416     } else {
 417                 gtk_widget_set_sensitive (editor->priv->bc_color_combo, FALSE);
 418                 gtk_widget_set_sensitive (editor->priv->bc_key_combo, TRUE);
 419
 420         }
 421
 422     /* Emit our "changed" signal */
 423     g_signal_emit (G_OBJECT (editor), gl_object_editor_signals[CHANGED], 0);
 424
 425     gl_debug (DEBUG_EDITOR, "END");
 426 }