git.sur5r.net Git - glabels/blob - glabels2/src/wdgt-print-copies.c

   1 /*
   2  *  (GLABELS) Label and Business Card Creation program for GNOME
   3  *
   4  *  wdgt_print_copies.c:  custom print copies widget module
   5  *
   6  *  Copyright (C) 2001  Jim Evins <evins@snaught.com>.
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  21  */
  22
  23 #include <config.h>
  24
  25 #include "wdgt-print-copies.h"
  26 #include "wdgt-mini-preview.h"
  27 #include "marshal.h"
  28
  29 #include "debug.h"
  30
  31 #define WDGT_MINI_PREVIEW_HEIGHT 175
  32 #define WDGT_MINI_PREVIEW_WIDTH  150
  33
  34 /*===========================================*/
  35 /* Private globals                           */
  36 /*===========================================*/
  37
  38 static GObjectClass *parent_class;
  39
  40 /*===========================================*/
  41 /* Local function prototypes                 */
  42 /*===========================================*/
  43
  44 static void gl_wdgt_print_copies_class_init    (glWdgtPrintCopiesClass * class);
  45 static void gl_wdgt_print_copies_instance_init (glWdgtPrintCopies * copies);
  46 static void gl_wdgt_print_copies_finalize      (GObject * object);
  47
  48 static void gl_wdgt_print_copies_construct     (glWdgtPrintCopies * copies,
  49                                                 glLabel * label);
  50
  51 static void sheets_radio_cb                    (GtkToggleButton * togglebutton,
  52                                                 gpointer user_data);
  53 static void first_spin_cb                      (GtkSpinButton * spinbutton,
  54                                                 gpointer user_data);
  55 static void last_spin_cb                       (GtkSpinButton * spinbutton,
  56                                                 gpointer user_data);
  57
  58 static void
  59 preview_pressed (glWdgtMiniPreview *mini_preview,
  60                  gint first, gint last, gpointer user_data);
  61
  62 \f
  63 /****************************************************************************/
  64 /* Boilerplate Object stuff.                                                */
  65 /****************************************************************************/
  66 guint
  67 gl_wdgt_print_copies_get_type (void)
  68 {
  69         static guint wdgt_print_copies_type = 0;
  70
  71         if (!wdgt_print_copies_type) {
  72                 GTypeInfo wdgt_print_copies_info = {
  73                         sizeof (glWdgtPrintCopiesClass),
  74                         NULL,
  75                         NULL,
  76                         (GClassInitFunc) gl_wdgt_print_copies_class_init,
  77                         NULL,
  78                         NULL,
  79                         sizeof (glWdgtPrintCopies),
  80                         0,
  81                         (GInstanceInitFunc) gl_wdgt_print_copies_instance_init,
  82                 };
  83
  84                 wdgt_print_copies_type =
  85                         g_type_register_static (gtk_hbox_get_type (),
  86                                                 "glWdgtPrintCopies",
  87                                                 &wdgt_print_copies_info, 0);
  88         }
  89
  90         return wdgt_print_copies_type;
  91 }
  92
  93 static void
  94 gl_wdgt_print_copies_class_init (glWdgtPrintCopiesClass * class)
  95 {
  96         GObjectClass *object_class;
  97
  98         object_class = (GObjectClass *) class;
  99
 100         parent_class = gtk_type_class (gtk_hbox_get_type ());
 101
 102         object_class->finalize = gl_wdgt_print_copies_finalize;
 103 }
 104
 105 static void
 106 gl_wdgt_print_copies_instance_init (glWdgtPrintCopies * copies)
 107 {
 108         copies->labels_per_sheet = 0;
 109
 110         copies->mini_preview = NULL;
 111
 112         copies->sheets_radio = NULL;
 113         copies->sheets_spin = NULL;
 114
 115         copies->labels_radio = NULL;
 116         copies->first_spin = NULL;
 117         copies->last_spin = NULL;
 118 }
 119
 120 static void
 121 gl_wdgt_print_copies_finalize (GObject * object)
 122 {
 123         glWdgtPrintCopies *copies;
 124         glWdgtPrintCopiesClass *class;
 125
 126         g_return_if_fail (object != NULL);
 127         g_return_if_fail (GL_IS_WDGT_PRINT_COPIES (object));
 128
 129         copies = GL_WDGT_PRINT_COPIES (object);
 130
 131         G_OBJECT_CLASS (parent_class)->finalize (object);
 132 }
 133
 134 GtkWidget *
 135 gl_wdgt_print_copies_new (glLabel * label)
 136 {
 137         glWdgtPrintCopies *copies;
 138
 139         copies = g_object_new (gl_wdgt_print_copies_get_type (), NULL);
 140
 141         gl_wdgt_print_copies_construct (copies, label);
 142
 143         return GTK_WIDGET (copies);
 144 }
 145
 146 /*--------------------------------------------------------------------------*/
 147 /* Construct composite widget.                                              */
 148 /*--------------------------------------------------------------------------*/
 149 static void
 150 gl_wdgt_print_copies_construct (glWdgtPrintCopies * copies,
 151                                 glLabel * label)
 152 {
 153         GtkWidget *whbox, *wvbox, *whbox1;
 154         GSList *radio_group = NULL;
 155         GtkObject *adjust;
 156         const glTemplate *template;
 157
 158         whbox = GTK_WIDGET (copies);
 159
 160         template = gl_label_get_template (label);
 161         copies->labels_per_sheet = template->nx * template->ny;
 162
 163         /* mini_preview canvas */
 164         copies->mini_preview = gl_wdgt_mini_preview_new (WDGT_MINI_PREVIEW_HEIGHT,
 165                                                     WDGT_MINI_PREVIEW_WIDTH);
 166         gl_wdgt_mini_preview_set_label (GL_WDGT_MINI_PREVIEW(copies->mini_preview),
 167                                    template->name->data);
 168         gtk_box_pack_start (GTK_BOX (whbox), copies->mini_preview,
 169                             TRUE, TRUE, GNOME_PAD);
 170
 171         wvbox = gtk_vbox_new (FALSE, GNOME_PAD);
 172         gtk_box_pack_start (GTK_BOX (whbox), wvbox, TRUE, TRUE, GNOME_PAD);
 173
 174         /* Sheet controls */
 175         whbox1 = gtk_hbox_new (FALSE, GNOME_PAD);
 176         gtk_box_pack_start (GTK_BOX (wvbox), whbox1, FALSE, FALSE, GNOME_PAD);
 177         copies->sheets_radio =
 178             gtk_radio_button_new_with_label (radio_group, _("Sheets:"));
 179         gtk_box_pack_start (GTK_BOX (whbox1), copies->sheets_radio,
 180                             FALSE, FALSE, 0);
 181         adjust = gtk_adjustment_new (1, 1.0, 10.0, 1.0, 10.0, 10.0);
 182         copies->sheets_spin = gtk_spin_button_new (GTK_ADJUSTMENT (adjust),
 183                                                    1.0, 0);
 184         gtk_box_pack_start (GTK_BOX (whbox1), copies->sheets_spin,
 185                             FALSE, FALSE, 0);
 186         gl_wdgt_mini_preview_highlight_range (GL_WDGT_MINI_PREVIEW(copies->mini_preview),
 187                                          1, copies->labels_per_sheet);
 188
 189         /* Label controls */
 190         whbox1 = gtk_hbox_new (FALSE, GNOME_PAD);
 191         gtk_box_pack_start (GTK_BOX (wvbox), whbox1, FALSE, FALSE, GNOME_PAD);
 192         radio_group =
 193             gtk_radio_button_get_group (GTK_RADIO_BUTTON (copies->sheets_radio));
 194         copies->labels_radio =
 195             gtk_radio_button_new_with_label (radio_group, _("Labels"));
 196         gtk_box_pack_start (GTK_BOX (whbox1), copies->labels_radio,
 197                             FALSE, FALSE, 0);
 198         gtk_box_pack_start (GTK_BOX (whbox1), gtk_label_new (_("from:")),
 199                             FALSE, FALSE, 0);
 200         adjust = gtk_adjustment_new (1, 1.0, copies->labels_per_sheet,
 201                                      1.0, 10.0, 10.0);
 202         copies->first_spin = gtk_spin_button_new (GTK_ADJUSTMENT (adjust),
 203                                                   1.0, 0);
 204         gtk_box_pack_start (GTK_BOX (whbox1), copies->first_spin,
 205                             FALSE, FALSE, 0);
 206         gtk_box_pack_start (GTK_BOX (whbox1), gtk_label_new (_("to:")),
 207                             FALSE, FALSE, 0);
 208         adjust = gtk_adjustment_new (copies->labels_per_sheet,
 209                                      1.0, copies->labels_per_sheet,
 210                                      1.0, 10.0, 10.0);
 211         copies->last_spin = gtk_spin_button_new (GTK_ADJUSTMENT (adjust),
 212                                                  1.0, 0);
 213         gtk_box_pack_start (GTK_BOX (whbox1), copies->last_spin,
 214                             FALSE, FALSE, 0);
 215         gtk_widget_set_sensitive (copies->first_spin, FALSE);
 216         gtk_widget_set_sensitive (copies->last_spin, FALSE);
 217
 218         /* Connect signals to controls */
 219         g_signal_connect (G_OBJECT (copies->mini_preview), "pressed",
 220                           G_CALLBACK (preview_pressed), copies);
 221         g_signal_connect (G_OBJECT (copies->sheets_radio), "toggled",
 222                           G_CALLBACK (sheets_radio_cb), copies);
 223         g_signal_connect (G_OBJECT (copies->first_spin), "changed",
 224                           G_CALLBACK (first_spin_cb), copies);
 225         g_signal_connect (G_OBJECT (copies->last_spin), "changed",
 226                           G_CALLBACK (last_spin_cb), copies);
 227 }
 228
 229 /*--------------------------------------------------------------------------*/
 230 /* PRIVATE.  Enable/Disable appropriate controls due to radio button toggle.*/
 231 /*--------------------------------------------------------------------------*/
 232 static void
 233 sheets_radio_cb (GtkToggleButton * togglebutton,
 234                  gpointer user_data)
 235 {
 236         glWdgtPrintCopies *copies = GL_WDGT_PRINT_COPIES (user_data);
 237         gint first, last;
 238
 239         if (gtk_toggle_button_get_active (togglebutton)) {
 240
 241                 gtk_widget_set_sensitive (copies->sheets_spin, TRUE);
 242                 gtk_widget_set_sensitive (copies->first_spin, FALSE);
 243                 gtk_widget_set_sensitive (copies->last_spin, FALSE);
 244
 245                 gl_wdgt_mini_preview_highlight_range (GL_WDGT_MINI_PREVIEW(copies->mini_preview),
 246                                         1, copies->labels_per_sheet);
 247
 248         } else {
 249
 250                 gtk_widget_set_sensitive (copies->sheets_spin, FALSE);
 251                 gtk_widget_set_sensitive (copies->first_spin, TRUE);
 252                 gtk_widget_set_sensitive (copies->last_spin, TRUE);
 253
 254                 first =
 255                     gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 256                                                       (copies->first_spin));
 257                 last =
 258                     gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 259                                                       (copies->last_spin));
 260                 gl_wdgt_mini_preview_highlight_range (GL_WDGT_MINI_PREVIEW(copies->mini_preview),
 261                                                  first, last);
 262
 263         }
 264 }
 265
 266 /*--------------------------------------------------------------------------*/
 267 /* PRIVATE.  modify widget due to change of first spin button               */
 268 /*--------------------------------------------------------------------------*/
 269 static void
 270 first_spin_cb (GtkSpinButton * spinbutton,
 271                gpointer user_data)
 272 {
 273         glWdgtPrintCopies *copies = GL_WDGT_PRINT_COPIES (user_data);
 274         gint first, last;
 275
 276         first =
 277             gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 278                                               (copies->first_spin));
 279         last =
 280             gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 281                                               (copies->last_spin));
 282
 283         gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (copies->last_spin))->
 284             lower = first;
 285
 286         gl_wdgt_mini_preview_highlight_range (GL_WDGT_MINI_PREVIEW(copies->mini_preview),
 287                                          first, last);
 288 }
 289
 290 /*--------------------------------------------------------------------------*/
 291 /* PRIVATE.  modify widget due to change of last spin button                */
 292 /*--------------------------------------------------------------------------*/
 293 static void
 294 last_spin_cb (GtkSpinButton * spinbutton,
 295               gpointer user_data)
 296 {
 297         glWdgtPrintCopies *copies = GL_WDGT_PRINT_COPIES (user_data);
 298         gint first, last;
 299
 300         first =
 301             gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 302                                               (copies->first_spin));
 303         last =
 304             gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 305                                               (copies->last_spin));
 306
 307         gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (copies->first_spin))->
 308             upper = last;
 309
 310         gl_wdgt_mini_preview_highlight_range (GL_WDGT_MINI_PREVIEW(copies->mini_preview),
 311                                          first, last);
 312 }
 313
 314 /*--------------------------------------------------------------------------*/
 315 /* PRIVATE.  Canvas event handler, select first and last items.             */
 316 /*--------------------------------------------------------------------------*/
 317 static void
 318 preview_pressed (glWdgtMiniPreview *mini_preview,
 319                  gint first,
 320                  gint last,
 321                  gpointer user_data)
 322 {
 323         glWdgtPrintCopies *copies = GL_WDGT_PRINT_COPIES (user_data);
 324
 325         gl_wdgt_print_copies_set_range (copies, 1, first, last);
 326 }
 327
 328 /****************************************************************************/
 329 /* query selected range of labels within sheet or number of sheets.         */
 330 /****************************************************************************/
 331 void
 332 gl_wdgt_print_copies_get_range (glWdgtPrintCopies * copies,
 333                                 gint * n_sheets,
 334                                 gint * first_label,
 335                                 gint * last_label)
 336 {
 337         gboolean sheets_active;
 338
 339         sheets_active =
 340             gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON
 341                                           (copies->sheets_radio));
 342
 343         if (sheets_active) {
 344                 *n_sheets =
 345                     gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 346                                                       (copies->sheets_spin));
 347                 *first_label = 1;
 348                 *last_label = copies->labels_per_sheet;
 349         } else {
 350                 *n_sheets = 1;
 351                 *first_label =
 352                     gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 353                                                       (copies->first_spin));
 354                 *last_label =
 355                     gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 356                                                       (copies->last_spin));
 357         }
 358 }
 359
 360 /****************************************************************************/
 361 /* set range of labels within sheet or number of sheets                     */
 362 /****************************************************************************/
 363 void
 364 gl_wdgt_print_copies_set_range (glWdgtPrintCopies * copies,
 365                                 gint n_sheets,
 366                                 gint first_label,
 367                                 gint last_label)
 368 {
 369         gint old_first_label;
 370
 371         old_first_label =
 372             gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 373                                               (copies->first_spin));
 374
 375         if (first_label > old_first_label) {
 376                 gtk_spin_button_set_value (GTK_SPIN_BUTTON (copies->last_spin),
 377                                            last_label);
 378                 gtk_spin_button_set_value (GTK_SPIN_BUTTON (copies->first_spin),
 379                                            first_label);
 380         } else {
 381                 gtk_spin_button_set_value (GTK_SPIN_BUTTON (copies->first_spin),
 382                                            first_label);
 383                 gtk_spin_button_set_value (GTK_SPIN_BUTTON (copies->last_spin),
 384                                            last_label);
 385         }
 386         if ((first_label == 1) && (last_label == copies->labels_per_sheet)) {
 387                 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
 388                                               (copies->sheets_radio), TRUE);
 389                 gtk_spin_button_set_value (GTK_SPIN_BUTTON
 390                                            (copies->sheets_spin), n_sheets);
 391         } else {
 392                 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
 393                                               (copies->labels_radio), TRUE);
 394                 gtk_spin_button_set_value (GTK_SPIN_BUTTON
 395                                            (copies->sheets_spin), 1.0);
 396         }
 397 }