git.sur5r.net Git - glabels/blob - 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 = gtk_adjustment_new (1, 1.0, merge->labels_per_sheet, 1.0, 10.0, 0.0);
 156         merge->first_spin = gtk_spin_button_new (GTK_ADJUSTMENT (adjust), 1.0, 0);
 157         gtk_box_pack_start (GTK_BOX(whbox1), merge->first_spin, FALSE, FALSE, 0);
 158         gtk_box_pack_start (GTK_BOX(whbox1),
 159                                 gtk_label_new (_("on 1st sheet")), FALSE, FALSE, 0);
 160
 161         /* Blank line */
 162         gtk_box_pack_start (GTK_BOX(wvbox), gtk_label_new (""), FALSE, FALSE, 0);
 163
 164         /* Copy & collate controls*/
 165         whbox1 = gtk_hbox_new (FALSE, GL_HIG_PAD2);
 166         gtk_box_pack_start (GTK_BOX(wvbox), whbox1, FALSE, FALSE, 0);
 167         gtk_box_pack_start (GTK_BOX(whbox1),
 168                                 gtk_label_new (_("Copies:")), FALSE, FALSE, 0);
 169         adjust = gtk_adjustment_new (1, 1.0, 100.0, 1.0, 10.0, 0.0);
 170         merge->copies_spin = gtk_spin_button_new (GTK_ADJUSTMENT (adjust), 1.0, 0);
 171         gtk_box_pack_start (GTK_BOX(whbox1), merge->copies_spin, FALSE, FALSE, 0);
 172         gtk_box_pack_start (GTK_BOX(whbox1), gtk_label_new ("    "), FALSE, FALSE, 0);
 173         merge->collate_check = gtk_check_button_new_with_label (_("Collate"));
 174         gtk_box_pack_start (GTK_BOX(whbox1), merge->collate_check, FALSE, FALSE, 0);
 175         pixbuf = gdk_pixbuf_new_from_xpm_data ( (const char **)nocollate_xpm);
 176         merge->collate_image = gtk_image_new_from_pixbuf(pixbuf);
 177         gtk_widget_set_sensitive (merge->collate_check, FALSE);
 178         gtk_widget_set_sensitive (merge->collate_image, FALSE);
 179
 180         gtk_box_pack_start (GTK_BOX(whbox1), merge->collate_image, FALSE, FALSE, 0);
 181
 182         /* Connect signals to controls */
 183         g_signal_connect (G_OBJECT (merge->mini_preview), "clicked",
 184                           G_CALLBACK (preview_clicked), merge);
 185         g_signal_connect (G_OBJECT (merge->collate_check), "toggled",
 186                           G_CALLBACK (collate_check_cb), merge);
 187         g_signal_connect (G_OBJECT (merge->copies_spin), "changed",
 188                           G_CALLBACK (spin_cb), merge);
 189         g_signal_connect (G_OBJECT (merge->first_spin), "changed",
 190                           G_CALLBACK (spin_cb), merge);
 191 }
 192
 193 /*--------------------------------------------------------------------------*/
 194 /* PRIVATE.  Enable/Disable appropriate controls due to radio button toggle.*/
 195 /*--------------------------------------------------------------------------*/
 196 static void
 197 collate_check_cb (GtkToggleButton * togglebutton,
 198                   gpointer user_data)
 199 {
 200         glWdgtPrintMerge *merge = GL_WDGT_PRINT_MERGE (user_data);
 201         GdkPixbuf *pixbuf;
 202
 203         if (gtk_toggle_button_get_active (togglebutton)) {
 204
 205                 pixbuf =
 206                   gdk_pixbuf_new_from_xpm_data ( (const char **)collate_xpm);
 207
 208         } else {
 209
 210                 pixbuf =
 211                   gdk_pixbuf_new_from_xpm_data ( (const char **)nocollate_xpm);
 212
 213         }
 214         gtk_image_set_from_pixbuf (GTK_IMAGE (merge->collate_image),
 215                                    pixbuf);
 216 }
 217
 218 /*--------------------------------------------------------------------------*/
 219 /* PRIVATE.  modify widget due to change of first spin button               */
 220 /*--------------------------------------------------------------------------*/
 221 static void
 222 spin_cb (GtkSpinButton * spinbutton,
 223          gpointer user_data)
 224 {
 225         glWdgtPrintMerge *merge = GL_WDGT_PRINT_MERGE (user_data);
 226         gint first, last, n_copies;
 227
 228         first =
 229             gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 230                                               (merge->first_spin));
 231
 232         n_copies =
 233             gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 234                                               (merge->copies_spin));
 235         last = first + (n_copies * merge->n_records) - 1;
 236         gl_wdgt_mini_preview_highlight_range (GL_WDGT_MINI_PREVIEW(merge->mini_preview),
 237                                          first, last );
 238
 239         gtk_widget_set_sensitive (merge->collate_check, (n_copies > 1));
 240         gtk_widget_set_sensitive (merge->collate_image, (n_copies > 1));
 241 }
 242
 243 /*--------------------------------------------------------------------------*/
 244 /* PRIVATE.  Canvas event handler, select first and last items.             */
 245 /*--------------------------------------------------------------------------*/
 246 static void
 247 preview_clicked (glWdgtMiniPreview *mini_preview,
 248                  gint first,
 249                  gpointer user_data)
 250 {
 251         glWdgtPrintMerge *merge = GL_WDGT_PRINT_MERGE (user_data);
 252         gint n_copies, last;
 253
 254         gtk_spin_button_set_value (GTK_SPIN_BUTTON (merge->first_spin),
 255                                    first);
 256
 257         n_copies =
 258             gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 259                                               (merge->copies_spin));
 260         last = first + (n_copies * merge->n_records) - 1;
 261         gl_wdgt_mini_preview_highlight_range (GL_WDGT_MINI_PREVIEW (merge->mini_preview),
 262                                          first, last);
 263
 264 }
 265
 266 /****************************************************************************/
 267 /* query selected range of labels within sheet or number of sheets.         */
 268 /****************************************************************************/
 269 void
 270 gl_wdgt_print_merge_get_copies (glWdgtPrintMerge *merge,
 271                                 gint             *n_copies,
 272                                 gint             *first_label,
 273                                 gboolean         *collate_flag,
 274                                 gint             *n_sheets)
 275 {
 276         *n_copies =
 277             gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 278                                               (merge->copies_spin));
 279         *first_label =
 280             gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
 281                                               (merge->first_spin));
 282         *collate_flag =
 283             gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON
 284                                           (merge->collate_check));
 285
 286         *n_sheets = ceil ( (double)(*first_label - 1 + (*n_copies * merge->n_records))/ (double)merge->labels_per_sheet );
 287 }
 288
 289 /****************************************************************************/
 290 /* set range of labels within sheet or number of sheets                     */
 291 /****************************************************************************/
 292 void
 293 gl_wdgt_print_merge_set_copies (glWdgtPrintMerge * merge,
 294                                 gint n_copies,
 295                                 gint first_label,
 296                                 gint n_records,
 297                                 gboolean collate_flag)
 298 {
 299         gint last_label;
 300
 301         merge->n_records = n_records;
 302
 303         gtk_spin_button_set_value (GTK_SPIN_BUTTON (merge->copies_spin),
 304                                    n_copies);
 305         gtk_spin_button_set_value (GTK_SPIN_BUTTON (merge->first_spin),
 306                                    first_label);
 307         gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (merge->collate_check),
 308                                       collate_flag);
 309
 310         last_label = first_label + (n_copies * n_records) - 1;
 311         gl_wdgt_mini_preview_highlight_range (GL_WDGT_MINI_PREVIEW (merge->mini_preview),
 312                                          first_label, last_label );
 313 }