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         g_return_if_fail (object != NULL);
 103         g_return_if_fail (GL_IS_WDGT_PRINT_MERGE (object));
 104
 105         G_OBJECT_CLASS (gl_wdgt_print_merge_parent_class)->finalize (object);
 106 }
 107
 108 GtkWidget *
 109 gl_wdgt_print_merge_new (glLabel * label)
 110 {
 111         glWdgtPrintMerge *merge;
 112
 113         merge = g_object_new (gl_wdgt_print_merge_get_type (), NULL);
 114
 115         gl_wdgt_print_merge_construct (merge, label);
 116
 117         return GTK_WIDGET (merge);
 118 }
 119 \f
 120 /*--------------------------------------------------------------------------*/
 121 /* PRIVATE.  Construct composite widget.                                    */
 122 /*--------------------------------------------------------------------------*/
 123 static void
 124 gl_wdgt_print_merge_construct (glWdgtPrintMerge * merge,
 125                                glLabel * label)
 126 {
 127         const lglTemplateFrame    *frame;
 128         GtkWidget                 *whbox, *wvbox, *whbox1;
 129         GtkObject                 *adjust;
 130         GdkPixbuf                 *pixbuf;
 131
 132         whbox = GTK_WIDGET (merge);
 133
 134         frame = (lglTemplateFrame *)label->template->frames->data;
 135
 136         merge->labels_per_sheet = lgl_template_frame_get_n_labels (frame);
 137
 138         /* mini_preview canvas */
 139         merge->mini_preview = gl_wdgt_mini_preview_new (WDGT_MINI_PREVIEW_HEIGHT,
 140                                                         WDGT_MINI_PREVIEW_WIDTH);
 141         gl_wdgt_mini_preview_set_template( GL_WDGT_MINI_PREVIEW (merge->mini_preview),
 142                                            label->template );
 143         gtk_box_pack_start (GTK_BOX(whbox), merge->mini_preview, FALSE, FALSE, 0);
 144         gl_wdgt_mini_preview_highlight_range (GL_WDGT_MINI_PREVIEW(merge->mini_preview),
 145                                               1, 1);
 146
 147         wvbox = gtk_vbox_new (FALSE, GL_HIG_PAD1);
 148         gtk_box_pack_start (GTK_BOX(whbox), wvbox, FALSE, FALSE, 0);
 149
 150         /* First Label controls */
 151         whbox1 = gtk_hbox_new (FALSE, GL_HIG_PAD2);
 152         gtk_box_pack_start (GTK_BOX(wvbox), whbox1, FALSE, FALSE, 0);
 153         gtk_box_pack_start (GTK_BOX(whbox1),
 154                                 gtk_label_new (_("Start on label")), FALSE, FALSE, 0);
 155         adjust =
 156                 gtk_adjustment_new (1, 1.0, merge->labels_per_sheet, 1.0, 10.0, 0.0);
 157         merge->first_spin =
 158             gtk_spin_button_new (GTK_ADJUSTMENT (adjust), 1.0, 0);
 159         gtk_box_pack_start (GTK_BOX(whbox1), merge->first_spin, FALSE, FALSE, 0);
 160         gtk_box_pack_start (GTK_BOX(whbox1),
 161                                 gtk_label_new (_("on 1st sheet")), FALSE, FALSE, 0);
 162
 163         /* Blank line */
 164         gtk_box_pack_start (GTK_BOX(wvbox), gtk_label_new (""), FALSE, FALSE, 0);
 165
 166         /* Copy & collate controls*/
 167         whbox1 = gtk_hbox_new (FALSE, GL_HIG_PAD2);
 168         gtk_box_pack_start (GTK_BOX(wvbox), whbox1, FALSE, FALSE, 0);
 169         gtk_box_pack_start (GTK_BOX(whbox1),
 170                                 gtk_label_new (_("Copies:")), FALSE, FALSE, 0);
 171         adjust = gtk_adjustment_new (1, 1.0, 10.0, 1.0, 10.0, 0.0);
 172         merge->copies_spin = gtk_spin_button_new (GTK_ADJUSTMENT (adjust),
 173                                                    1.0, 0);
 174         gtk_box_pack_start (GTK_BOX(whbox1), merge->copies_spin, FALSE, FALSE, 0);
 175         gtk_box_pack_start (GTK_BOX(whbox1), gtk_label_new ("    "), FALSE, FALSE, 0);
 176         merge->collate_check = gtk_check_button_new_with_label (_("Collate"));
 177         gtk_box_pack_start (GTK_BOX(whbox1), merge->collate_check, FALSE, FALSE, 0);
 178         pixbuf = gdk_pixbuf_new_from_xpm_data ( (const char **)nocollate_xpm);
 179         merge->collate_image = gtk_image_new_from_pixbuf(pixbuf);
 180         gtk_widget_set_sensitive (merge->collate_check, FALSE);
 181         gtk_widget_set_sensitive (merge->collate_image, FALSE);
 182
 183         gtk_box_pack_start (GTK_BOX(whbox1), merge->collate_image, FALSE, FALSE, 0);
 184
 185         /* Connect signals to controls */
 186         g_signal_connect (G_OBJECT (merge->mini_preview), "clicked",
 187                           G_CALLBACK (preview_clicked), merge);
 188         g_signal_connect (G_OBJECT (merge->collate_check), "toggled",
 189                           G_CALLBACK (collate_check_cb), merge);
 190         g_signal_connect (G_OBJECT (merge->copies_spin), "changed",
 191                           G_CALLBACK (spin_cb), merge);
 192         g_signal_connect (G_OBJECT (merge->first_spin), "changed",
 193                           G_CALLBACK (spin_cb), merge);
 194 }
 195
 196 /*--------------------------------------------------------------------------*/
 197 /* PRIVATE.  Enable/Disable appropriate controls due to radio button toggle.*/
 198 /*--------------------------------------------------------------------------*/
 199 static void
 200 collate_check_cb (GtkToggleButton * togglebutton,
 201                   gpointer user_data)
 202 {
 203         glWdgtPrintMerge *merge = GL_WDGT_PRINT_MERGE (user_data);
 204         GdkPixbuf *pixbuf;
 205
 206         if (gtk_toggle_button_get_active (togglebutton)) {
 207
 208                 pixbuf =
 209                   gdk_pixbuf_new_from_xpm_data ( (const char **)collate_xpm);
 210
 211         } else {
 212
 213                 pixbuf =
 214                   gdk_pixbuf_new_from_xpm_data ( (const char **)nocollate_xpm);
 215
 216         }
 217         gtk_image_set_from_pixbuf (GTK_IMAGE (merge->collate_image),
 218                                    pixbuf);
 219 }
 220
 221 /*--------------------------------------------------------------------------*/
 222 /* PRIVATE.  modify widget due to change of first spin button               */
 223 /*--------------------------------------------------------------------------*/
 224 static void
 225 spin_cb (GtkSpinButton * spinbutton,
 226          gpointer user_data)
 227 {
 228         glWdgtPrintMerge *merge = GL_WDGT_PRINT_MERGE (user_data);
 229         gint first, last, n_copies;
 230
 231         first =
 232             gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 233                                               (merge->first_spin));
 234
 235         n_copies =
 236             gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 237                                               (merge->copies_spin));
 238         last = first + (n_copies * merge->n_records) - 1;
 239         gl_wdgt_mini_preview_highlight_range (GL_WDGT_MINI_PREVIEW(merge->mini_preview),
 240                                          first, last );
 241
 242         gtk_widget_set_sensitive (merge->collate_check, (n_copies > 1));
 243         gtk_widget_set_sensitive (merge->collate_image, (n_copies > 1));
 244 }
 245
 246 /*--------------------------------------------------------------------------*/
 247 /* PRIVATE.  Canvas event handler, select first and last items.             */
 248 /*--------------------------------------------------------------------------*/
 249 static void
 250 preview_clicked (glWdgtMiniPreview *mini_preview,
 251                  gint first,
 252                  gpointer user_data)
 253 {
 254         glWdgtPrintMerge *merge = GL_WDGT_PRINT_MERGE (user_data);
 255         gint n_copies, last;
 256
 257         gtk_spin_button_set_value (GTK_SPIN_BUTTON (merge->first_spin),
 258                                    first);
 259
 260         n_copies =
 261             gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 262                                               (merge->copies_spin));
 263         last = first + (n_copies * merge->n_records) - 1;
 264         gl_wdgt_mini_preview_highlight_range (GL_WDGT_MINI_PREVIEW (merge->mini_preview),
 265                                          first, last);
 266
 267 }
 268
 269 /****************************************************************************/
 270 /* query selected range of labels within sheet or number of sheets.         */
 271 /****************************************************************************/
 272 void
 273 gl_wdgt_print_merge_get_copies (glWdgtPrintMerge *merge,
 274                                 gint             *n_copies,
 275                                 gint             *first_label,
 276                                 gboolean         *collate_flag,
 277                                 gint             *n_sheets)
 278 {
 279         *n_copies =
 280             gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 281                                               (merge->copies_spin));
 282         *first_label =
 283             gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 284                                               (merge->first_spin));
 285         *collate_flag =
 286             gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON
 287                                           (merge->collate_check));
 288
 289         *n_sheets = ceil ( (double)(*first_label - 1 + (*n_copies * merge->n_records))/ (double)merge->labels_per_sheet );
 290 }
 291
 292 /****************************************************************************/
 293 /* set range of labels within sheet or number of sheets                     */
 294 /****************************************************************************/
 295 void
 296 gl_wdgt_print_merge_set_copies (glWdgtPrintMerge * merge,
 297                                 gint n_copies,
 298                                 gint first_label,
 299                                 gint n_records,
 300                                 gboolean collate_flag)
 301 {
 302         gint last_label;
 303
 304         merge->n_records = n_records;
 305
 306         gtk_spin_button_set_value (GTK_SPIN_BUTTON (merge->copies_spin),
 307                                    n_copies);
 308         gtk_spin_button_set_value (GTK_SPIN_BUTTON (merge->first_spin),
 309                                    first_label);
 310         gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (merge->collate_check),
 311                                       collate_flag);
 312
 313         last_label = first_label + (n_copies * n_records) - 1;
 314         gl_wdgt_mini_preview_highlight_range (GL_WDGT_MINI_PREVIEW (merge->mini_preview),
 315                                          first_label, last_label );
 316 }