git.sur5r.net Git - glabels/blob - glabels2/src/wdgt-print-copies.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  *  wdgt_print_copies.c:  custom print copies widget module
   7  *
   8  *  Copyright (C) 2001  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
  25 #include <config.h>
  26
  27 #include "wdgt-print-copies.h"
  28
  29 #include <glib/gi18n.h>
  30 #include <gtk/gtktogglebutton.h>
  31 #include <gtk/gtkspinbutton.h>
  32 #include <gtk/gtkradiobutton.h>
  33 #include <gtk/gtklabel.h>
  34 #include <gtk/gtkvbox.h>
  35
  36 #include "hig.h"
  37 #include "wdgt-mini-preview.h"
  38 #include "marshal.h"
  39
  40 #include "debug.h"
  41
  42 #define WDGT_MINI_PREVIEW_HEIGHT 175
  43 #define WDGT_MINI_PREVIEW_WIDTH  150
  44
  45 /*===========================================*/
  46 /* Private globals                           */
  47 /*===========================================*/
  48
  49 /*===========================================*/
  50 /* Local function prototypes                 */
  51 /*===========================================*/
  52
  53 static void gl_wdgt_print_copies_finalize      (GObject * object);
  54
  55 static void gl_wdgt_print_copies_construct     (glWdgtPrintCopies * copies,
  56                                                 glLabel * label);
  57
  58 static void sheets_radio_cb                    (GtkToggleButton * togglebutton,
  59                                                 gpointer user_data);
  60 static void first_spin_cb                      (GtkSpinButton * spinbutton,
  61                                                 gpointer user_data);
  62 static void last_spin_cb                       (GtkSpinButton * spinbutton,
  63                                                 gpointer user_data);
  64
  65 static void
  66 preview_pressed (glWdgtMiniPreview *mini_preview,
  67                  gint first, gint last, gpointer user_data);
  68
  69 \f
  70 /****************************************************************************/
  71 /* Boilerplate Object stuff.                                                */
  72 /****************************************************************************/
  73 G_DEFINE_TYPE (glWdgtPrintCopies, gl_wdgt_print_copies, GTK_TYPE_HBOX);
  74
  75 static void
  76 gl_wdgt_print_copies_class_init (glWdgtPrintCopiesClass * class)
  77 {
  78         GObjectClass *object_class = G_OBJECT_CLASS (class);
  79
  80         gl_wdgt_print_copies_parent_class = g_type_class_peek_parent (class);
  81
  82         object_class->finalize = gl_wdgt_print_copies_finalize;
  83 }
  84
  85 static void
  86 gl_wdgt_print_copies_init (glWdgtPrintCopies * copies)
  87 {
  88         copies->labels_per_sheet = 0;
  89
  90         copies->mini_preview = NULL;
  91
  92         copies->sheets_radio = NULL;
  93         copies->sheets_spin = NULL;
  94
  95         copies->labels_radio = NULL;
  96         copies->first_spin = NULL;
  97         copies->last_spin = NULL;
  98 }
  99
 100 static void
 101 gl_wdgt_print_copies_finalize (GObject * object)
 102 {
 103         glWdgtPrintCopies *copies = GL_WDGT_PRINT_COPIES (object);
 104
 105         g_return_if_fail (object != NULL);
 106         g_return_if_fail (GL_IS_WDGT_PRINT_COPIES (object));
 107
 108         G_OBJECT_CLASS (gl_wdgt_print_copies_parent_class)->finalize (object);
 109 }
 110
 111 GtkWidget *
 112 gl_wdgt_print_copies_new (glLabel * label)
 113 {
 114         glWdgtPrintCopies *copies;
 115
 116         copies = g_object_new (gl_wdgt_print_copies_get_type (), NULL);
 117
 118         gl_wdgt_print_copies_construct (copies, label);
 119
 120         return GTK_WIDGET (copies);
 121 }
 122
 123 /*--------------------------------------------------------------------------*/
 124 /* Construct composite widget.                                              */
 125 /*--------------------------------------------------------------------------*/
 126 static void
 127 gl_wdgt_print_copies_construct (glWdgtPrintCopies *copies,
 128                                 glLabel           *label)
 129 {
 130         glTemplate                *template;
 131         const glTemplateLabelType *label_type;
 132         GtkWidget                 *whbox, *wvbox, *whbox1;
 133         GSList                    *radio_group = NULL;
 134         GtkObject                 *adjust;
 135
 136         whbox = GTK_WIDGET (copies);
 137
 138         template   = gl_label_get_template (label);
 139         label_type = gl_template_get_first_label_type (template);
 140
 141         copies->labels_per_sheet = gl_template_get_n_labels (label_type);
 142
 143         /* mini_preview canvas */
 144         copies->mini_preview = gl_wdgt_mini_preview_new (WDGT_MINI_PREVIEW_HEIGHT,
 145                                                     WDGT_MINI_PREVIEW_WIDTH);
 146         gl_wdgt_mini_preview_set_template (GL_WDGT_MINI_PREVIEW(copies->mini_preview),
 147                                            template);
 148         gtk_box_pack_start (GTK_BOX(whbox), copies->mini_preview, FALSE, FALSE, 0);
 149
 150         wvbox = gtk_vbox_new (FALSE, GL_HIG_PAD1);
 151         gtk_box_pack_start (GTK_BOX(whbox), wvbox, FALSE, FALSE, 0);
 152
 153         /* Sheet controls */
 154         whbox1 = gtk_hbox_new (FALSE, GL_HIG_PAD2);
 155         gtk_box_pack_start (GTK_BOX(wvbox), whbox1, FALSE, FALSE, 0);
 156         copies->sheets_radio =
 157             gtk_radio_button_new_with_label (radio_group, _("Sheets:"));
 158         gtk_box_pack_start (GTK_BOX(whbox1), copies->sheets_radio, FALSE, FALSE, 0);
 159         adjust = gtk_adjustment_new (1, 1.0, 10.0, 1.0, 10.0, 10.0);
 160         copies->sheets_spin = gtk_spin_button_new (GTK_ADJUSTMENT (adjust),
 161                                                    1.0, 0);
 162         gtk_box_pack_start (GTK_BOX(whbox1), copies->sheets_spin, FALSE, FALSE, 0);
 163         gl_wdgt_mini_preview_highlight_range (GL_WDGT_MINI_PREVIEW(copies->mini_preview),
 164                                               1, copies->labels_per_sheet);
 165
 166         /* Blank line */
 167         gtk_box_pack_start (GTK_BOX(wvbox), gtk_label_new (""), FALSE, FALSE, 0);
 168
 169         /* Label controls */
 170         whbox1 = gtk_hbox_new (FALSE, GL_HIG_PAD2);
 171         gtk_box_pack_start (GTK_BOX(wvbox), whbox1, FALSE, FALSE, 0);
 172         radio_group =
 173             gtk_radio_button_get_group (GTK_RADIO_BUTTON (copies->sheets_radio));
 174         copies->labels_radio =
 175             gtk_radio_button_new_with_label (radio_group, _("Labels"));
 176         gtk_box_pack_start (GTK_BOX(whbox1), copies->labels_radio, FALSE, FALSE, 0);
 177         gtk_box_pack_start (GTK_BOX(whbox1), gtk_label_new (_("from:")), FALSE, FALSE, 0);
 178         adjust = gtk_adjustment_new (1, 1.0, copies->labels_per_sheet,
 179                                      1.0, 10.0, 10.0);
 180         copies->first_spin = gtk_spin_button_new (GTK_ADJUSTMENT (adjust),
 181                                                   1.0, 0);
 182         gtk_box_pack_start (GTK_BOX(whbox1), copies->first_spin, FALSE, FALSE, 0);
 183         gtk_box_pack_start (GTK_BOX(whbox1), gtk_label_new (_("to:")), FALSE, FALSE, 0);
 184         adjust = gtk_adjustment_new (copies->labels_per_sheet,
 185                                      1.0, copies->labels_per_sheet,
 186                                      1.0, 10.0, 10.0);
 187         copies->last_spin = gtk_spin_button_new (GTK_ADJUSTMENT (adjust),
 188                                                  1.0, 0);
 189         gtk_box_pack_start (GTK_BOX(whbox1), copies->last_spin, FALSE, FALSE, 0);
 190         gtk_widget_set_sensitive (copies->first_spin, FALSE);
 191         gtk_widget_set_sensitive (copies->last_spin, FALSE);
 192
 193         /* Connect signals to controls */
 194         g_signal_connect (G_OBJECT (copies->mini_preview), "pressed",
 195                           G_CALLBACK (preview_pressed), copies);
 196         g_signal_connect (G_OBJECT (copies->sheets_radio), "toggled",
 197                           G_CALLBACK (sheets_radio_cb), copies);
 198         g_signal_connect (G_OBJECT (copies->first_spin), "changed",
 199                           G_CALLBACK (first_spin_cb), copies);
 200         g_signal_connect (G_OBJECT (copies->last_spin), "changed",
 201                           G_CALLBACK (last_spin_cb), copies);
 202
 203         gl_template_free (template);
 204 }
 205
 206 /*--------------------------------------------------------------------------*/
 207 /* PRIVATE.  Enable/Disable appropriate controls due to radio button toggle.*/
 208 /*--------------------------------------------------------------------------*/
 209 static void
 210 sheets_radio_cb (GtkToggleButton * togglebutton,
 211                  gpointer user_data)
 212 {
 213         glWdgtPrintCopies *copies = GL_WDGT_PRINT_COPIES (user_data);
 214         gint first, last;
 215
 216         if (gtk_toggle_button_get_active (togglebutton)) {
 217
 218                 gtk_widget_set_sensitive (copies->sheets_spin, TRUE);
 219                 gtk_widget_set_sensitive (copies->first_spin, FALSE);
 220                 gtk_widget_set_sensitive (copies->last_spin, FALSE);
 221
 222                 gl_wdgt_mini_preview_highlight_range (GL_WDGT_MINI_PREVIEW(copies->mini_preview),
 223                                         1, copies->labels_per_sheet);
 224
 225         } else {
 226
 227                 gtk_widget_set_sensitive (copies->sheets_spin, FALSE);
 228                 gtk_widget_set_sensitive (copies->first_spin, TRUE);
 229                 gtk_widget_set_sensitive (copies->last_spin, TRUE);
 230
 231                 first =
 232                     gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 233                                                       (copies->first_spin));
 234                 last =
 235                     gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 236                                                       (copies->last_spin));
 237                 gl_wdgt_mini_preview_highlight_range (GL_WDGT_MINI_PREVIEW(copies->mini_preview),
 238                                                  first, last);
 239
 240         }
 241 }
 242
 243 /*--------------------------------------------------------------------------*/
 244 /* PRIVATE.  modify widget due to change of first spin button               */
 245 /*--------------------------------------------------------------------------*/
 246 static void
 247 first_spin_cb (GtkSpinButton * spinbutton,
 248                gpointer user_data)
 249 {
 250         glWdgtPrintCopies *copies = GL_WDGT_PRINT_COPIES (user_data);
 251         gint first, last;
 252
 253         first =
 254             gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 255                                               (copies->first_spin));
 256         last =
 257             gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 258                                               (copies->last_spin));
 259
 260         gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (copies->last_spin))->
 261             lower = first;
 262
 263         gl_wdgt_mini_preview_highlight_range (GL_WDGT_MINI_PREVIEW(copies->mini_preview),
 264                                          first, last);
 265 }
 266
 267 /*--------------------------------------------------------------------------*/
 268 /* PRIVATE.  modify widget due to change of last spin button                */
 269 /*--------------------------------------------------------------------------*/
 270 static void
 271 last_spin_cb (GtkSpinButton * spinbutton,
 272               gpointer user_data)
 273 {
 274         glWdgtPrintCopies *copies = GL_WDGT_PRINT_COPIES (user_data);
 275         gint first, last;
 276
 277         first =
 278             gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 279                                               (copies->first_spin));
 280         last =
 281             gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 282                                               (copies->last_spin));
 283
 284         gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (copies->first_spin))->
 285             upper = last;
 286
 287         gl_wdgt_mini_preview_highlight_range (GL_WDGT_MINI_PREVIEW(copies->mini_preview),
 288                                          first, last);
 289 }
 290
 291 /*--------------------------------------------------------------------------*/
 292 /* PRIVATE.  Canvas event handler, select first and last items.             */
 293 /*--------------------------------------------------------------------------*/
 294 static void
 295 preview_pressed (glWdgtMiniPreview *mini_preview,
 296                  gint first,
 297                  gint last,
 298                  gpointer user_data)
 299 {
 300         glWdgtPrintCopies *copies = GL_WDGT_PRINT_COPIES (user_data);
 301
 302         gl_wdgt_print_copies_set_range (copies, 1, first, last);
 303 }
 304
 305 /****************************************************************************/
 306 /* query selected range of labels within sheet or number of sheets.         */
 307 /****************************************************************************/
 308 void
 309 gl_wdgt_print_copies_get_range (glWdgtPrintCopies * copies,
 310                                 gint * n_sheets,
 311                                 gint * first_label,
 312                                 gint * last_label)
 313 {
 314         gboolean sheets_active;
 315
 316         sheets_active =
 317             gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON
 318                                           (copies->sheets_radio));
 319
 320         if (sheets_active) {
 321                 *n_sheets =
 322                     gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 323                                                       (copies->sheets_spin));
 324                 *first_label = 1;
 325                 *last_label = copies->labels_per_sheet;
 326         } else {
 327                 *n_sheets = 1;
 328                 *first_label =
 329                     gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 330                                                       (copies->first_spin));
 331                 *last_label =
 332                     gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 333                                                       (copies->last_spin));
 334         }
 335 }
 336
 337 /****************************************************************************/
 338 /* set range of labels within sheet or number of sheets                     */
 339 /****************************************************************************/
 340 void
 341 gl_wdgt_print_copies_set_range (glWdgtPrintCopies * copies,
 342                                 gint n_sheets,
 343                                 gint first_label,
 344                                 gint last_label)
 345 {
 346         gint old_first_label;
 347
 348         old_first_label =
 349             gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 350                                               (copies->first_spin));
 351
 352         if (first_label > old_first_label) {
 353                 gtk_spin_button_set_value (GTK_SPIN_BUTTON (copies->last_spin),
 354                                            last_label);
 355                 gtk_spin_button_set_value (GTK_SPIN_BUTTON (copies->first_spin),
 356                                            first_label);
 357         } else {
 358                 gtk_spin_button_set_value (GTK_SPIN_BUTTON (copies->first_spin),
 359                                            first_label);
 360                 gtk_spin_button_set_value (GTK_SPIN_BUTTON (copies->last_spin),
 361                                            last_label);
 362         }
 363         if ((first_label == 1) && (last_label == copies->labels_per_sheet)) {
 364                 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
 365                                               (copies->sheets_radio), TRUE);
 366                 gtk_spin_button_set_value (GTK_SPIN_BUTTON
 367                                            (copies->sheets_spin), n_sheets);
 368         } else {
 369                 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
 370                                               (copies->labels_radio), TRUE);
 371                 gtk_spin_button_set_value (GTK_SPIN_BUTTON
 372                                            (copies->sheets_spin), 1.0);
 373         }
 374 }