src/gedit-print.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * gedit-print.c
   4  * This file is part of gedit
   5  *
   6  * Copyright (C) 2000, 2001 Chema Celorio, Paolo Maggi
   7  * Copyright (C) 2002  Paolo Maggi
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330,
  22  * Boston, MA 02111-1307, USA.
  23  */
  24
  25 /*
  26  * Modified by the gedit Team, 1998-2002. See the AUTHORS file for a
  27  * list of people on the gedit Team.
  28  * See the ChangeLog files for a list of changes.
  29  */
  30
  31 #ifdef HAVE_CONFIG_H
  32 #include <config.h>
  33 #endif
  34
  35 #ifdef USE_GNOMEPRINT
  36
  37 #include <sys/types.h>
  38 #include <sys/stat.h>
  39 #include <fcntl.h>
  40 #include <unistd.h>
  41 #include <string.h>     /* For strlen */
  42
  43 #include <glib/gi18n.h>
  44 #include <gtk/gtkframe.h>
  45 #include <gtk/gtkhbox.h>
  46 #include <gtk/gtkvbox.h>
  47 #include <gtk/gtklabel.h>
  48 #include <gtk/gtkmain.h>
  49 #include <gtk/gtkprogressbar.h>
  50 #include <gtk/gtkimage.h>
  51 #include <gtk/gtkwindow.h>
  52 #include <libgnomeprintui/gnome-print-dialog.h>
  53 #include <libgnomeprintui/gnome-print-job-preview.h>
  54
  55 #include "gedit-print.h"
  56 #include "gtk/gtksourceprintjob.h"
  57 #include "mainwindow.h"
  58
  59 #ifdef DEBUG
  60 #  define DEBUG_PRINT "DEBUG_PRINT: %s"
  61 #  define gedit_debug(x, y) g_warning(x, y)
  62 #else
  63 #  define gedit_debug(x, y) do {} while (FALSE);
  64 #endif
  65
  66 enum
  67 {
  68         PREVIEW_NO,
  69         PREVIEW,
  70         PREVIEW_FROM_DIALOG
  71 };
  72
  73 typedef struct _GeditPrintJobInfo       GeditPrintJobInfo;
  74
  75 struct _GeditPrintJobInfo
  76 {
  77         GtkTextBuffer     *doc;
  78
  79         GtkSourcePrintJob *pjob;
  80
  81         gint               preview;
  82
  83         gint               range_type;
  84
  85         gint               first_line_to_print;
  86         gint               last_line_to_print;
  87
  88         /* Popup dialog */
  89         GtkWidget         *dialog;
  90         GtkWidget         *label;
  91         GtkWidget         *progressbar;
  92
  93         GtkWindow         *parent;
  94 };
  95
  96 static GeditPrintJobInfo* gedit_print_job_info_new      (GtkTextView       *view);
  97 static void gedit_print_job_info_destroy                (GeditPrintJobInfo *pji,
  98                                                          gboolean           save_config);
  99 static void gedit_print_real                            (GeditPrintJobInfo *pji,
 100                                                          GtkTextIter       *start,
 101                                                          GtkTextIter       *end,
 102                                                          GtkWindow         *parent);
 103 static void gedit_print_preview_real                    (GeditPrintJobInfo *pji,
 104                                                          GtkTextIter       *start,
 105                                                          GtkTextIter       *end,
 106                                                          GtkWindow         *parent);
 107
 108
 109 static void
 110 gedit_print_job_info_destroy (GeditPrintJobInfo *pji, gboolean save_config)
 111 {
 112         gedit_debug (DEBUG_PRINT, "");
 113
 114         g_return_if_fail (pji != NULL);
 115
 116         if (pji->pjob != NULL)
 117                 g_object_unref (pji->pjob);
 118
 119         g_free (pji);
 120 }
 121
 122 static GtkWidget *
 123 get_print_dialog (GeditPrintJobInfo *pji, GtkWindow *parent)
 124 {
 125         GtkWidget *dialog;
 126         gint selection_flag;
 127         gint lines;
 128         GnomePrintConfig *config;
 129
 130         gedit_debug (DEBUG_PRINT, "");
 131
 132         g_return_val_if_fail (pji != NULL, NULL);
 133
 134         if (!gtk_text_buffer_get_selection_bounds (GTK_TEXT_BUFFER (pji->doc), NULL, NULL))
 135                 selection_flag = GNOME_PRINT_RANGE_SELECTION_UNSENSITIVE;
 136         else
 137                 selection_flag = GNOME_PRINT_RANGE_SELECTION;
 138
 139         g_return_val_if_fail(pji->pjob != NULL, NULL);
 140         config = gtk_source_print_job_get_config (pji->pjob);
 141
 142         dialog = g_object_new (GNOME_TYPE_PRINT_DIALOG, "print_config", config, NULL);
 143
 144         gnome_print_dialog_construct (GNOME_PRINT_DIALOG (dialog),
 145                                       _("Print"),
 146                                       GNOME_PRINT_DIALOG_RANGE | GNOME_PRINT_DIALOG_COPIES);
 147
 148         lines = gtk_text_buffer_get_line_count (GTK_TEXT_BUFFER (pji->doc));
 149
 150         gnome_print_dialog_construct_range_any ( GNOME_PRINT_DIALOG (dialog),
 151                                                  (GNOME_PRINT_RANGE_ALL | selection_flag),
 152                                                  NULL, NULL, NULL);
 153
 154         gtk_window_set_transient_for (GTK_WINDOW (dialog), parent);
 155
 156         gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
 157         gtk_window_set_destroy_with_parent (GTK_WINDOW (dialog), TRUE);
 158
 159         return dialog;
 160 }
 161
 162 static void
 163 gedit_print_dialog_response (GtkWidget *dialog, int response, GeditPrintJobInfo *pji)
 164 {
 165         GtkTextIter start, end;
 166
 167         pji->range_type = gnome_print_dialog_get_range (GNOME_PRINT_DIALOG (dialog));
 168         gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (pji->doc), &start, &end);
 169
 170         switch (pji->range_type)
 171         {
 172         case GNOME_PRINT_RANGE_ALL:
 173                 break;
 174
 175         case GNOME_PRINT_RANGE_SELECTION:
 176                 gtk_text_buffer_get_selection_bounds (GTK_TEXT_BUFFER (pji->doc),
 177                                                       &start, &end);
 178                 break;
 179
 180         default:
 181                 g_return_if_reached ();
 182         }
 183
 184         switch (response)
 185         {
 186         case GNOME_PRINT_DIALOG_RESPONSE_PRINT:
 187                 gedit_debug (DEBUG_PRINT, "Print button pressed.");
 188                 pji->preview = PREVIEW_NO;
 189                 gedit_print_real (pji, &start, &end,
 190                                   gtk_window_get_transient_for (GTK_WINDOW (dialog)));
 191                 gtk_widget_destroy (dialog);
 192                 break;
 193
 194         case GNOME_PRINT_DIALOG_RESPONSE_PREVIEW:
 195                 gedit_debug (DEBUG_PRINT, "Preview button pressed.");
 196                 pji->preview = PREVIEW_FROM_DIALOG;
 197                 gedit_print_preview_real (pji, &start, &end, GTK_WINDOW (dialog));
 198                 break;
 199
 200         default:
 201                 gtk_widget_destroy (dialog);
 202                 gedit_print_job_info_destroy (pji, FALSE);
 203         }
 204 }
 205
 206 static void
 207 show_printing_dialog (GeditPrintJobInfo *pji, GtkWindow *parent)
 208 {
 209         GtkWidget *window;
 210         GtkWidget *frame;
 211         GtkWidget *hbox;
 212         GtkWidget *image;
 213         GtkWidget *vbox;
 214         GtkWidget *label;
 215         GtkWidget *progressbar;
 216
 217         window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
 218         gtk_window_set_modal (GTK_WINDOW (window), TRUE);
 219         gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
 220         gtk_window_set_destroy_with_parent (GTK_WINDOW (window), TRUE);
 221         gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER_ON_PARENT);
 222
 223         gtk_window_set_decorated (GTK_WINDOW (window), FALSE);
 224         gtk_window_set_skip_taskbar_hint (GTK_WINDOW (window), TRUE);
 225         gtk_window_set_skip_pager_hint (GTK_WINDOW (window), TRUE);
 226
 227         gtk_window_set_transient_for (GTK_WINDOW (window), parent);
 228
 229         frame = gtk_frame_new (NULL);
 230         gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT);
 231         gtk_container_add (GTK_CONTAINER (window), frame);
 232
 233         hbox = gtk_hbox_new (FALSE, 12);
 234         gtk_container_add (GTK_CONTAINER (frame), hbox);
 235         gtk_container_set_border_width (GTK_CONTAINER (hbox), 12);
 236
 237         image = gtk_image_new_from_stock ("gtk-print", GTK_ICON_SIZE_DIALOG);
 238         gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
 239
 240         vbox = gtk_vbox_new (FALSE, 12);
 241         gtk_box_pack_start (GTK_BOX (hbox), vbox, FALSE, FALSE, 0);
 242
 243         label = gtk_label_new (_("Preparing pages..."));
 244         gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
 245         gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_LEFT);
 246         gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
 247
 248         progressbar = gtk_progress_bar_new ();
 249         gtk_box_pack_start (GTK_BOX (vbox), progressbar, FALSE, FALSE, 0);
 250
 251         pji->dialog = window;
 252         pji->label = label;
 253         pji->progressbar = progressbar;
 254
 255         gtk_widget_show_all (pji->dialog);
 256
 257         /* Update UI */
 258         while (gtk_events_pending ())
 259                 gtk_main_iteration ();
 260 }
 261
 262 static void
 263 page_cb (GtkSourcePrintJob *job, GeditPrintJobInfo *pji)
 264 {
 265         gchar *str;
 266         gint page_num = gtk_source_print_job_get_page (pji->pjob);
 267         gint total = gtk_source_print_job_get_page_count (pji->pjob);
 268
 269         if (pji->preview != PREVIEW_NO)
 270                 str = g_strdup_printf (_("Rendering page %d of %d..."), page_num, total);
 271         else
 272                 str = g_strdup_printf (_("Printing page %d of %d..."), page_num, total);
 273
 274         gtk_label_set_label (GTK_LABEL (pji->label), str);
 275         g_free (str);
 276
 277         gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (pji->progressbar),
 278                                        1.0 * page_num / total);
 279
 280         /* Update UI */
 281         while (gtk_events_pending ())
 282                 gtk_main_iteration ();
 283
 284 }
 285
 286 static void
 287 preview_finished_cb (GtkSourcePrintJob *job, GeditPrintJobInfo *pji)
 288 {
 289         GnomePrintJob *gjob;
 290         GtkWidget *preview = NULL;
 291
 292         gjob = gtk_source_print_job_get_print_job (job);
 293
 294         preview = gnome_print_job_preview_new (gjob, _("Print preview"));
 295         if (pji->parent != NULL)
 296         {
 297                 gtk_window_set_transient_for (GTK_WINDOW (preview), pji->parent);
 298                 gtk_window_set_modal (GTK_WINDOW (preview), TRUE);
 299         }
 300
 301         g_object_unref (gjob);
 302
 303         gtk_widget_destroy (pji->dialog);
 304
 305         if (pji->preview == PREVIEW)
 306                 gedit_print_job_info_destroy (pji, FALSE);
 307         else
 308         {
 309                 g_signal_handlers_disconnect_by_func (pji->pjob, (GCallback) page_cb, pji);
 310                 g_signal_handlers_disconnect_by_func (pji->pjob, (GCallback) preview_finished_cb, pji);
 311         }
 312
 313         gtk_widget_show (preview);
 314 }
 315
 316 static void
 317 print_finished_cb (GtkSourcePrintJob *job, GeditPrintJobInfo *pji)
 318 {
 319         GnomePrintJob *gjob;
 320
 321         gjob = gtk_source_print_job_get_print_job (job);
 322
 323         gnome_print_job_print (gjob);
 324
 325         g_object_unref (gjob);
 326
 327         gtk_widget_destroy (pji->dialog);
 328
 329         gedit_print_job_info_destroy (pji, TRUE);
 330 }
 331
 332 void
 333 gedit_print (GtkTextView *view)
 334 {
 335         GeditPrintJobInfo *pji;
 336         GtkWidget *dialog;
 337         GtkWidget *parent;
 338
 339         gedit_debug (DEBUG_PRINT, "");
 340
 341         g_return_if_fail (view != NULL);
 342
 343         pji = gedit_print_job_info_new (view);
 344         pji->preview = PREVIEW_NO;
 345
 346         parent = gtk_widget_get_toplevel (GTK_WIDGET (view));
 347         if (parent == NULL || !GTK_IS_WINDOW(parent))
 348                 parent = mainwindow_get_mainwindow()->window;
 349
 350         dialog = get_print_dialog (pji, GTK_WINDOW (parent));
 351
 352         g_signal_connect (dialog, "response",
 353                           G_CALLBACK (gedit_print_dialog_response),
 354                           pji);
 355
 356         gtk_widget_show (dialog);
 357 }
 358
 359 static void
 360 gedit_print_preview_real (GeditPrintJobInfo *pji,
 361                           GtkTextIter       *start,
 362                           GtkTextIter       *end,
 363                           GtkWindow         *parent)
 364 {
 365         show_printing_dialog (pji, parent);
 366
 367         pji->parent = parent;
 368
 369         g_signal_connect (pji->pjob, "begin_page", (GCallback) page_cb, pji);
 370         g_signal_connect (pji->pjob, "finished", (GCallback) preview_finished_cb, pji);
 371
 372         if (!gtk_source_print_job_print_range_async (pji->pjob, start, end))
 373         {
 374                 /* FIXME */
 375                 g_warning ("Async print failed");
 376                 gtk_widget_destroy (pji->dialog);
 377         }
 378 }
 379
 380 static void
 381 gedit_print_real (GeditPrintJobInfo *pji,
 382                   GtkTextIter       *start,
 383                   GtkTextIter       *end,
 384                   GtkWindow         *parent)
 385 {
 386         show_printing_dialog (pji, parent);
 387
 388         g_signal_connect (pji->pjob, "begin_page", (GCallback) page_cb, pji);
 389         g_signal_connect (pji->pjob, "finished", (GCallback) print_finished_cb, pji);
 390
 391         if (!gtk_source_print_job_print_range_async (pji->pjob, start, end))
 392         {
 393                 /* FIXME */
 394                 g_warning ("Async print failed");
 395                 gtk_widget_destroy (pji->dialog);
 396         }
 397 }
 398
 399 void
 400 gedit_print_preview (GtkTextView *view)
 401 {
 402         GeditPrintJobInfo *pji;
 403         GtkTextIter start, end;
 404
 405         gedit_debug (DEBUG_PRINT, "");
 406
 407         g_return_if_fail (view != NULL);
 408
 409         pji = gedit_print_job_info_new (view);
 410
 411         gtk_text_buffer_get_bounds (pji->doc, &start, &end);
 412
 413         pji->preview = PREVIEW;
 414         gedit_print_preview_real (pji, &start, &end,
 415                                   GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view))));
 416 }
 417
 418 static GeditPrintJobInfo *
 419 gedit_print_job_info_new (GtkTextView* view)
 420 {
 421         GtkSourcePrintJob *pjob;
 422         GnomePrintConfig *config;
 423         GeditPrintJobInfo *pji;
 424         PangoContext *pango_context;
 425         PangoFontDescription *font_desc;
 426         GtkTextBuffer *buffer;
 427
 428         gedit_debug (DEBUG_PRINT, "");
 429
 430         g_return_val_if_fail (view != NULL, NULL);
 431
 432         buffer = gtk_text_view_get_buffer (view);
 433         g_return_val_if_fail (buffer != NULL, NULL);
 434
 435         config = gnome_print_config_default ();
 436         g_return_val_if_fail (config != NULL, NULL);
 437
 438         gnome_print_config_set_int (config, GNOME_PRINT_KEY_NUM_COPIES, 1);
 439         gnome_print_config_set_boolean (config, GNOME_PRINT_KEY_COLLATE, FALSE);
 440
 441         pjob = gtk_source_print_job_new_with_buffer (config, buffer);
 442         gnome_print_config_unref (config);
 443
 444         gtk_source_print_job_set_highlight (pjob, TRUE);
 445         gtk_source_print_job_set_print_numbers (pjob, FALSE);
 446         gtk_source_print_job_set_wrap_mode (pjob, gtk_text_view_get_wrap_mode (view));
 447         gtk_source_print_job_set_tabs_width (pjob, 8);
 448
 449         gtk_source_print_job_set_footer_format (pjob,
 450                                                 _("Page %N of %Q"),
 451                                                 NULL,
 452                                                 _("%A %D, %I:%M %p"),
 453                                                 TRUE);
 454
 455         gtk_source_print_job_set_print_header (pjob, FALSE);
 456         gtk_source_print_job_set_print_footer (pjob, TRUE);
 457
 458         pango_context = gtk_widget_get_pango_context (GTK_WIDGET (view));
 459         font_desc = pango_context_get_font_description (pango_context);
 460
 461         gtk_source_print_job_set_font_desc (pjob, font_desc);
 462
 463         pji = g_new0 (GeditPrintJobInfo, 1);
 464
 465         pji->pjob = pjob;
 466
 467         pji->doc = buffer;
 468         pji->preview = PREVIEW_NO;
 469         pji->range_type = GNOME_PRINT_RANGE_ALL;
 470
 471         return pji;
 472 }
 473
 474 #endif