git.sur5r.net Git - glabels/blob - glabels2/src/wdgt-print-merge.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_merge.c:  print merge 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-merge.h"
  28
  29 #include <math.h>
  30 #include <glib/gi18n.h>
  31 #include <gtk/gtktogglebutton.h>
  32 #include <gtk/gtkspinbutton.h>
  33 #include <gtk/gtkcheckbutton.h>
  34 #include <gtk/gtklabel.h>
  35 #include <gtk/gtkvbox.h>
  36
  37 #include "hig.h"
  38 #include "wdgt-mini-preview.h"
  39 #include "marshal.h"
  40
  41 #include "pixmaps/collate.xpm"
  42 #include "pixmaps/nocollate.xpm"
  43
  44 #include "debug.h"
  45
  46 #define WDGT_MINI_PREVIEW_HEIGHT 175
  47 #define WDGT_MINI_PREVIEW_WIDTH  150
  48
  49 /*===========================================*/
  50 /* Private globals                           */
  51 /*===========================================*/
  52
  53 /*===========================================*/
  54 /* Local function prototypes                 */
  55 /*===========================================*/
  56
  57 static void gl_wdgt_print_merge_finalize      (GObject * object);
  58
  59 static void gl_wdgt_print_merge_construct     (glWdgtPrintMerge * merge,
  60                                                glLabel * label);
  61
  62 static void preview_clicked                   (glWdgtMiniPreview *mini_preview,
  63                                                gint i_label,
  64                                                gpointer user_data);
  65
  66 static void collate_check_cb                  (GtkToggleButton * togglebutton,
  67                                                gpointer user_data);
  68 static void spin_cb                           (GtkSpinButton * spinbutton,
  69                                                gpointer user_data);
  70
  71 \f
  72 /****************************************************************************/
  73 /* Boilerplate Object stuff.                                                */
  74 /****************************************************************************/
  75 G_DEFINE_TYPE (glWdgtPrintMerge, gl_wdgt_print_merge, GTK_TYPE_HBOX);
  76
  77
  78 static void
  79 gl_wdgt_print_merge_class_init (glWdgtPrintMergeClass * class)
  80 {
  81         GObjectClass *object_class = G_OBJECT_CLASS (class);
  82
  83         gl_wdgt_print_merge_parent_class = g_type_class_peek_parent (class);
  84
  85         object_class->finalize = gl_wdgt_print_merge_finalize;
  86 }
  87
  88 static void
  89 gl_wdgt_print_merge_init (glWdgtPrintMerge * merge)
  90 {
  91         merge->mini_preview = NULL;
  92
  93         merge->copies_spin = NULL;
  94         merge->first_spin = NULL;
  95         merge->collate_image = NULL;
  96         merge->collate_check = NULL;
  97 }
  98
  99 static void
 100 gl_wdgt_print_merge_finalize (GObject * object)
 101 {
 102         glWdgtPrintMerge *merge = GL_WDGT_PRINT_MERGE (object);
 103
 104         g_return_if_fail (object != NULL);
 105         g_return_if_fail (GL_IS_WDGT_PRINT_MERGE (object));
 106
 107         G_OBJECT_CLASS (gl_wdgt_print_merge_parent_class)->finalize (object);
 108 }
 109
 110 GtkWidget *
 111 gl_wdgt_print_merge_new (glLabel * label)
 112 {
 113         glWdgtPrintMerge *merge;
 114
 115         merge = g_object_new (gl_wdgt_print_merge_get_type (), NULL);
 116
 117         gl_wdgt_print_merge_construct (merge, label);
 118
 119         return GTK_WIDGET (merge);
 120 }
 121 \f
 122 /*--------------------------------------------------------------------------*/
 123 /* PRIVATE.  Construct composite widget.                                    */
 124 /*--------------------------------------------------------------------------*/
 125 static void
 126 gl_wdgt_print_merge_construct (glWdgtPrintMerge * merge,
 127                                glLabel * label)
 128 {
 129         glTemplate                *template;
 130         const glTemplateLabelType *label_type;
 131         GtkWidget                 *whbox, *wvbox, *whbox1;
 132         GtkObject                 *adjust;
 133         GdkPixbuf                 *pixbuf;
 134
 135         whbox = GTK_WIDGET (merge);
 136
 137         template   = gl_label_get_template (label);
 138         label_type = gl_template_get_first_label_type (template);
 139
 140         merge->labels_per_sheet = gl_template_get_n_labels (label_type);
 141
 142         /* mini_preview canvas */
 143         merge->mini_preview = gl_wdgt_mini_preview_new (WDGT_MINI_PREVIEW_HEIGHT,
 144                                                         WDGT_MINI_PREVIEW_WIDTH);
 145         gl_wdgt_mini_preview_set_template( GL_WDGT_MINI_PREVIEW (merge->mini_preview),
 146                                            template );
 147         gtk_box_pack_start (GTK_BOX(whbox), merge->mini_preview, FALSE, FALSE, 0);
 148         gl_wdgt_mini_preview_highlight_range (GL_WDGT_MINI_PREVIEW(merge->mini_preview),
 149                                               1, 1);
 150
 151         wvbox = gtk_vbox_new (FALSE, GL_HIG_PAD1);
 152         gtk_box_pack_start (GTK_BOX(whbox), wvbox, FALSE, FALSE, 0);
 153
 154         /* First Label controls */
 155         whbox1 = gtk_hbox_new (FALSE, GL_HIG_PAD2);
 156         gtk_box_pack_start (GTK_BOX(wvbox), whbox1, FALSE, FALSE, 0);
 157         gtk_box_pack_start (GTK_BOX(whbox1),
 158                                 gtk_label_new (_("Start on label")), FALSE, FALSE, 0);
 159         adjust =
 160             gtk_adjustment_new (1, 1.0, merge->labels_per_sheet, 1.0, 10.0,
 161                                 10.0);
 162         merge->first_spin =
 163             gtk_spin_button_new (GTK_ADJUSTMENT (adjust), 1.0, 0);
 164         gtk_box_pack_start (GTK_BOX(whbox1), merge->first_spin, FALSE, FALSE, 0);
 165         gtk_box_pack_start (GTK_BOX(whbox1),
 166                                 gtk_label_new (_("on 1st sheet")), FALSE, FALSE, 0);
 167
 168         /* Blank line */
 169         gtk_box_pack_start (GTK_BOX(wvbox), gtk_label_new (""), FALSE, FALSE, 0);
 170
 171         /* Copy & collate controls*/
 172         whbox1 = gtk_hbox_new (FALSE, GL_HIG_PAD2);
 173         gtk_box_pack_start (GTK_BOX(wvbox), whbox1, FALSE, FALSE, 0);
 174         gtk_box_pack_start (GTK_BOX(whbox1),
 175                                 gtk_label_new (_("Copies:")), FALSE, FALSE, 0);
 176         adjust = gtk_adjustment_new (1, 1.0, 10.0, 1.0, 10.0, 10.0);
 177         merge->copies_spin = gtk_spin_button_new (GTK_ADJUSTMENT (adjust),
 178                                                    1.0, 0);
 179         gtk_box_pack_start (GTK_BOX(whbox1), merge->copies_spin, FALSE, FALSE, 0);
 180         gtk_box_pack_start (GTK_BOX(whbox1), gtk_label_new ("    "), FALSE, FALSE, 0);
 181         merge->collate_check = gtk_check_button_new_with_label (_("Collate"));
 182         gtk_box_pack_start (GTK_BOX(whbox1), merge->collate_check, FALSE, FALSE, 0);
 183         pixbuf = gdk_pixbuf_new_from_xpm_data ( (const char **)nocollate_xpm);
 184         merge->collate_image = gtk_image_new_from_pixbuf(pixbuf);
 185         gtk_widget_set_sensitive (merge->collate_check, FALSE);
 186         gtk_widget_set_sensitive (merge->collate_image, FALSE);
 187
 188         gtk_box_pack_start (GTK_BOX(whbox1), merge->collate_image, FALSE, FALSE, 0);
 189
 190         /* Connect signals to controls */
 191         g_signal_connect (G_OBJECT (merge->mini_preview), "clicked",
 192                           G_CALLBACK (preview_clicked), merge);
 193         g_signal_connect (G_OBJECT (merge->collate_check), "toggled",
 194                           G_CALLBACK (collate_check_cb), merge);
 195         g_signal_connect (G_OBJECT (merge->copies_spin), "changed",
 196                           G_CALLBACK (spin_cb), merge);
 197         g_signal_connect (G_OBJECT (merge->first_spin), "changed",
 198                           G_CALLBACK (spin_cb), merge);
 199
 200         gl_template_free (template);
 201 }
 202
 203 /*--------------------------------------------------------------------------*/
 204 /* PRIVATE.  Enable/Disable appropriate controls due to radio button toggle.*/
 205 /*--------------------------------------------------------------------------*/
 206 static void
 207 collate_check_cb (GtkToggleButton * togglebutton,
 208                   gpointer user_data)
 209 {
 210         glWdgtPrintMerge *merge = GL_WDGT_PRINT_MERGE (user_data);
 211         GdkPixbuf *pixbuf;
 212
 213         if (gtk_toggle_button_get_active (togglebutton)) {
 214
 215                 pixbuf =
 216                   gdk_pixbuf_new_from_xpm_data ( (const char **)collate_xpm);
 217
 218         } else {
 219
 220                 pixbuf =
 221                   gdk_pixbuf_new_from_xpm_data ( (const char **)nocollate_xpm);
 222
 223         }
 224         gtk_image_set_from_pixbuf (GTK_IMAGE (merge->collate_image),
 225                                    pixbuf);
 226 }
 227
 228 /*--------------------------------------------------------------------------*/
 229 /* PRIVATE.  modify widget due to change of first spin button               */
 230 /*--------------------------------------------------------------------------*/
 231 static void
 232 spin_cb (GtkSpinButton * spinbutton,
 233          gpointer user_data)
 234 {
 235         glWdgtPrintMerge *merge = GL_WDGT_PRINT_MERGE (user_data);
 236         gint first, last, n_copies;
 237
 238         first =
 239             gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 240                                               (merge->first_spin));
 241
 242         n_copies =
 243             gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 244                                               (merge->copies_spin));
 245         last = first + (n_copies * merge->n_records) - 1;
 246         gl_wdgt_mini_preview_highlight_range (GL_WDGT_MINI_PREVIEW(merge->mini_preview),
 247                                          first, last );
 248
 249         gtk_widget_set_sensitive (merge->collate_check, (n_copies > 1));
 250         gtk_widget_set_sensitive (merge->collate_image, (n_copies > 1));
 251 }
 252
 253 /*--------------------------------------------------------------------------*/
 254 /* PRIVATE.  Canvas event handler, select first and last items.             */
 255 /*--------------------------------------------------------------------------*/
 256 static void
 257 preview_clicked (glWdgtMiniPreview *mini_preview,
 258                  gint first,
 259                  gpointer user_data)
 260 {
 261         glWdgtPrintMerge *merge = GL_WDGT_PRINT_MERGE (user_data);
 262         gint n_copies, last;
 263
 264         gtk_spin_button_set_value (GTK_SPIN_BUTTON (merge->first_spin),
 265                                    first);
 266
 267         n_copies =
 268             gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 269                                               (merge->copies_spin));
 270         last = first + (n_copies * merge->n_records) - 1;
 271         gl_wdgt_mini_preview_highlight_range (GL_WDGT_MINI_PREVIEW (merge->mini_preview),
 272                                          first, last);
 273
 274 }
 275
 276 /****************************************************************************/
 277 /* query selected range of labels within sheet or number of sheets.         */
 278 /****************************************************************************/
 279 void
 280 gl_wdgt_print_merge_get_copies (glWdgtPrintMerge *merge,
 281                                 gint             *n_copies,
 282                                 gint             *first_label,
 283                                 gboolean         *collate_flag,
 284                                 gint             *n_sheets)
 285 {
 286         *n_copies =
 287             gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 288                                               (merge->copies_spin));
 289         *first_label =
 290             gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 291                                               (merge->first_spin));
 292         *collate_flag =
 293             gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON
 294                                           (merge->collate_check));
 295
 296         *n_sheets = ceil ( (double)(*first_label - 1 + (*n_copies * merge->n_records))/ (double)merge->labels_per_sheet );
 297 }
 298
 299 /****************************************************************************/
 300 /* set range of labels within sheet or number of sheets                     */
 301 /****************************************************************************/
 302 void
 303 gl_wdgt_print_merge_set_copies (glWdgtPrintMerge * merge,
 304                                 gint n_copies,
 305                                 gint first_label,
 306                                 gint n_records,
 307                                 gboolean collate_flag)
 308 {
 309         gint last_label;
 310
 311         merge->n_records = n_records;
 312
 313         gtk_spin_button_set_value (GTK_SPIN_BUTTON (merge->copies_spin),
 314                                    n_copies);
 315         gtk_spin_button_set_value (GTK_SPIN_BUTTON (merge->first_spin),
 316                                    first_label);
 317         gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (merge->collate_check),
 318                                       collate_flag);
 319
 320         last_label = first_label + (n_copies * n_records) - 1;
 321         gl_wdgt_mini_preview_highlight_range (GL_WDGT_MINI_PREVIEW (merge->mini_preview),
 322                                          first_label, last_label );
 323 }