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 #include "prefs_common.h"
  59
  60 #ifdef DEBUG
  61 #  define DEBUG_PRINT "DEBUG_PRINT: %s"
  62 #  define gedit_debug(x, y) g_warning(x, y)
  63 #else
  64 #  define gedit_debug(x, y) do {} while (FALSE);
  65 #endif
  66
  67 enum
  68 {
  69         PREVIEW_NO,
  70         PREVIEW,
  71         PREVIEW_FROM_DIALOG
  72 };
  73
  74 typedef struct _GeditPrintJobInfo       GeditPrintJobInfo;
  75
  76 struct _GeditPrintJobInfo
  77 {
  78         GtkTextBuffer     *doc;
  79
  80         GtkSourcePrintJob *pjob;
  81
  82         gint               preview;
  83
  84         gint               range_type;
  85
  86         gint               first_line_to_print;
  87         gint               last_line_to_print;
  88
  89         /* Popup dialog */
  90         GtkWidget         *dialog;
  91         GtkWidget         *label;
  92         GtkWidget         *progressbar;
  93
  94         GtkWindow         *parent;
  95         gboolean           done;
  96 };
  97
  98 static GeditPrintJobInfo* gedit_print_job_info_new      (GtkTextView       *view);
  99 static void gedit_print_job_info_destroy                (GeditPrintJobInfo *pji,
 100                                                          gboolean           save_config);
 101 static void gedit_print_real                            (GeditPrintJobInfo *pji,
 102                                                          GtkTextIter       *start,
 103                                                          GtkTextIter       *end,
 104                                                          GtkWindow         *parent);
 105 static void gedit_print_preview_real                    (GeditPrintJobInfo *pji,
 106                                                          GtkTextIter       *start,
 107                                                          GtkTextIter       *end,
 108                                                          GtkWindow         *parent);
 109
 110
 111 static void
 112 gedit_print_job_info_destroy (GeditPrintJobInfo *pji, gboolean save_config)
 113 {
 114         gedit_debug (DEBUG_PRINT, "");
 115
 116         g_return_if_fail (pji != NULL);
 117
 118         if (pji->pjob != NULL)
 119                 g_object_unref (pji->pjob);
 120
 121         g_free (pji);
 122 }
 123
 124 static GtkWidget *
 125 get_print_dialog (GeditPrintJobInfo *pji, GtkWindow *parent)
 126 {
 127         GtkWidget *dialog;
 128         gint selection_flag;
 129         gint lines;
 130         GnomePrintConfig *config;
 131
 132         gedit_debug (DEBUG_PRINT, "");
 133
 134         g_return_val_if_fail (pji != NULL, NULL);
 135
 136         if (!gtk_text_buffer_get_selection_bounds (GTK_TEXT_BUFFER (pji->doc), NULL, NULL))
 137                 selection_flag = GNOME_PRINT_RANGE_SELECTION_UNSENSITIVE;
 138         else
 139                 selection_flag = GNOME_PRINT_RANGE_SELECTION;
 140
 141         g_return_val_if_fail(pji->pjob != NULL, NULL);
 142         config = gtk_source_print_job_get_config (pji->pjob);
 143
 144         dialog = g_object_new (GNOME_TYPE_PRINT_DIALOG, "print_config", config, NULL);
 145
 146         gnome_print_dialog_construct (GNOME_PRINT_DIALOG (dialog),
 147                                       _("Print"),
 148                                       GNOME_PRINT_DIALOG_RANGE | GNOME_PRINT_DIALOG_COPIES);
 149
 150         lines = gtk_text_buffer_get_line_count (GTK_TEXT_BUFFER (pji->doc));
 151
 152         gnome_print_dialog_construct_range_any ( GNOME_PRINT_DIALOG (dialog),
 153                                                  (GNOME_PRINT_RANGE_ALL | selection_flag),
 154                                                  NULL, NULL, NULL);
 155
 156         gtk_window_set_transient_for (GTK_WINDOW (dialog), parent);
 157
 158         gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
 159         gtk_window_set_destroy_with_parent (GTK_WINDOW (dialog), TRUE);
 160
 161         return dialog;
 162 }
 163
 164 static void
 165 gedit_print_dialog_response (GtkWidget *dialog, int response, GeditPrintJobInfo *pji)
 166 {
 167         GtkTextIter start, end;
 168
 169         pji->range_type = gnome_print_dialog_get_range (GNOME_PRINT_DIALOG (dialog));
 170         gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (pji->doc), &start, &end);
 171
 172         switch (pji->range_type)
 173         {
 174         case GNOME_PRINT_RANGE_ALL:
 175                 break;
 176
 177         case GNOME_PRINT_RANGE_SELECTION:
 178                 gtk_text_buffer_get_selection_bounds (GTK_TEXT_BUFFER (pji->doc),
 179                                                       &start, &end);
 180                 break;
 181
 182         default:
 183                 g_return_if_reached ();
 184         }
 185
 186         switch (response)
 187         {
 188         case GNOME_PRINT_DIALOG_RESPONSE_PRINT:
 189                 gedit_debug (DEBUG_PRINT, "Print button pressed.");
 190                 pji->preview = PREVIEW_NO;
 191                 gedit_print_real (pji, &start, &end,
 192                                   gtk_window_get_transient_for (GTK_WINDOW (dialog)));
 193                 gtk_widget_destroy (dialog);
 194                 break;
 195
 196         case GNOME_PRINT_DIALOG_RESPONSE_PREVIEW:
 197                 gedit_debug (DEBUG_PRINT, "Preview button pressed.");
 198                 pji->preview = PREVIEW_FROM_DIALOG;
 199                 gedit_print_preview_real (pji, &start, &end, GTK_WINDOW (dialog));
 200                 break;
 201
 202         default:
 203                 gtk_widget_destroy (dialog);
 204                 pji->done = TRUE;
 205         }
 206 }
 207
 208 static void
 209 show_printing_dialog (GeditPrintJobInfo *pji, GtkWindow *parent)
 210 {
 211         GtkWidget *window;
 212         GtkWidget *frame;
 213         GtkWidget *hbox;
 214         GtkWidget *image;
 215         GtkWidget *vbox;
 216         GtkWidget *label;
 217         GtkWidget *progressbar;
 218
 219         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "gedit-print");
 220         gtk_window_set_modal (GTK_WINDOW (window), TRUE);
 221         gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
 222         gtk_window_set_destroy_with_parent (GTK_WINDOW (window), TRUE);
 223         gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER_ON_PARENT);
 224
 225         gtk_window_set_decorated (GTK_WINDOW (window), FALSE);
 226         gtk_window_set_skip_taskbar_hint (GTK_WINDOW (window), TRUE);
 227         gtk_window_set_skip_pager_hint (GTK_WINDOW (window), TRUE);
 228
 229         gtk_window_set_transient_for (GTK_WINDOW (window), parent);
 230
 231         frame = gtk_frame_new (NULL);
 232         gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT);
 233         gtk_container_add (GTK_CONTAINER (window), frame);
 234
 235         hbox = gtk_hbox_new (FALSE, 12);
 236         gtk_container_add (GTK_CONTAINER (frame), hbox);
 237         gtk_container_set_border_width (GTK_CONTAINER (hbox), 12);
 238
 239         image = gtk_image_new_from_stock ("gtk-print", GTK_ICON_SIZE_DIALOG);
 240         gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
 241
 242         vbox = gtk_vbox_new (FALSE, 12);
 243         gtk_box_pack_start (GTK_BOX (hbox), vbox, FALSE, FALSE, 0);
 244
 245         label = gtk_label_new (_("Preparing pages..."));
 246         gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
 247         gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_LEFT);
 248         gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
 249
 250         progressbar = gtk_progress_bar_new ();
 251         gtk_box_pack_start (GTK_BOX (vbox), progressbar, FALSE, FALSE, 0);
 252
 253         pji->dialog = window;
 254         pji->label = label;
 255         pji->progressbar = progressbar;
 256
 257         gtk_widget_show_all (pji->dialog);
 258
 259         /* Update UI */
 260         while (gtk_events_pending ())
 261                 gtk_main_iteration ();
 262 }
 263
 264 static void
 265 page_cb (GtkSourcePrintJob *job, GeditPrintJobInfo *pji)
 266 {
 267         gchar *str;
 268         gint page_num = gtk_source_print_job_get_page (pji->pjob);
 269         gint total = gtk_source_print_job_get_page_count (pji->pjob);
 270
 271         if (pji->preview != PREVIEW_NO)
 272                 str = g_strdup_printf (_("Rendering page %d of %d..."), page_num, total);
 273         else
 274                 str = g_strdup_printf (_("Printing page %d of %d..."), page_num, total);
 275
 276         gtk_label_set_label (GTK_LABEL (pji->label), str);
 277         g_free (str);
 278
 279         gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (pji->progressbar),
 280                                        (total == 0) ? 0 : 1.0 * page_num / total);
 281
 282         /* Update UI */
 283         while (gtk_events_pending ())
 284                 gtk_main_iteration ();
 285
 286 }
 287
 288 static void
 289 preview_finished_cb (GtkSourcePrintJob *job, GeditPrintJobInfo *pji)
 290 {
 291         GnomePrintJob *gjob;
 292         GtkWidget *preview = NULL;
 293
 294         gjob = gtk_source_print_job_get_print_job (job);
 295
 296         preview = gnome_print_job_preview_new (gjob, _("Print preview"));
 297         if (pji->parent != NULL)
 298         {
 299                 gtk_window_set_transient_for (GTK_WINDOW (preview), pji->parent);
 300                 gtk_window_set_modal (GTK_WINDOW (preview), TRUE);
 301         }
 302
 303         g_object_unref (gjob);
 304
 305         gtk_widget_destroy (pji->dialog);
 306
 307         if (pji->preview == PREVIEW)
 308                 pji->done = TRUE;
 309         else
 310         {
 311                 g_signal_handlers_disconnect_by_func (pji->pjob, (GCallback) page_cb, pji);
 312                 g_signal_handlers_disconnect_by_func (pji->pjob, (GCallback) preview_finished_cb, pji);
 313         }
 314
 315         gtk_widget_show (preview);
 316 }
 317
 318 static void
 319 print_finished_cb (GtkSourcePrintJob *job, GeditPrintJobInfo *pji)
 320 {
 321         GnomePrintJob *gjob;
 322
 323         gjob = gtk_source_print_job_get_print_job (job);
 324
 325         gnome_print_job_print (gjob);
 326
 327         g_object_unref (gjob);
 328
 329         gtk_widget_destroy (pji->dialog);
 330
 331         pji->done = TRUE;
 332 }
 333
 334 void
 335 gedit_print (GtkTextView *view)
 336 {
 337         GeditPrintJobInfo *pji;
 338         GtkWidget *dialog;
 339         GtkWidget *parent;
 340
 341         gedit_debug (DEBUG_PRINT, "");
 342
 343         g_return_if_fail (view != NULL);
 344
 345         pji = gedit_print_job_info_new (view);
 346         pji->preview = PREVIEW_NO;
 347
 348         parent = gtk_widget_get_toplevel (GTK_WIDGET (view));
 349         if (parent == NULL || !GTK_IS_WINDOW(parent))
 350                 parent = mainwindow_get_mainwindow()->window;
 351
 352         dialog = get_print_dialog (pji, GTK_WINDOW (parent));
 353
 354         g_signal_connect (dialog, "response",
 355                           G_CALLBACK (gedit_print_dialog_response),
 356                           pji);
 357
 358         gtk_widget_show (dialog);
 359         while (pji->done != TRUE)
 360                 gtk_main_iteration();
 361         gedit_print_job_info_destroy (pji, pji->preview ? FALSE:TRUE);
 362
 363 }
 364
 365 static void
 366 gedit_print_preview_real (GeditPrintJobInfo *pji,
 367                           GtkTextIter       *start,
 368                           GtkTextIter       *end,
 369                           GtkWindow         *parent)
 370 {
 371         show_printing_dialog (pji, parent);
 372
 373         pji->parent = parent;
 374
 375         g_signal_connect (pji->pjob, "begin_page", (GCallback) page_cb, pji);
 376         g_signal_connect (pji->pjob, "finished", (GCallback) preview_finished_cb, pji);
 377
 378         if (!gtk_source_print_job_print_range_async (pji->pjob, start, end))
 379         {
 380                 /* FIXME */
 381                 g_warning ("Async print failed");
 382                 gtk_widget_destroy (pji->dialog);
 383         }
 384 }
 385
 386 static void
 387 gedit_print_real (GeditPrintJobInfo *pji,
 388                   GtkTextIter       *start,
 389                   GtkTextIter       *end,
 390                   GtkWindow         *parent)
 391 {
 392         show_printing_dialog (pji, parent);
 393
 394         g_signal_connect (pji->pjob, "begin_page", (GCallback) page_cb, pji);
 395         g_signal_connect (pji->pjob, "finished", (GCallback) print_finished_cb, pji);
 396
 397         if (!gtk_source_print_job_print_range_async (pji->pjob, start, end))
 398         {
 399                 /* FIXME */
 400                 g_warning ("Async print failed");
 401                 gtk_widget_destroy (pji->dialog);
 402         }
 403 }
 404
 405 static GeditPrintJobInfo *
 406 gedit_print_job_info_new (GtkTextView* view)
 407 {
 408         GtkSourcePrintJob *pjob;
 409         GnomePrintConfig *config;
 410         GeditPrintJobInfo *pji;
 411         PangoContext *pango_context;
 412         PangoFontDescription *font_desc;
 413         GtkTextBuffer *buffer;
 414
 415         gedit_debug (DEBUG_PRINT, "");
 416
 417         g_return_val_if_fail (view != NULL, NULL);
 418
 419         buffer = gtk_text_view_get_buffer (view);
 420         g_return_val_if_fail (buffer != NULL, NULL);
 421
 422         config = gnome_print_config_default ();
 423         g_return_val_if_fail (config != NULL, NULL);
 424
 425         gnome_print_config_set_int (config, GNOME_PRINT_KEY_NUM_COPIES, 1);
 426         gnome_print_config_set_boolean (config, GNOME_PRINT_KEY_COLLATE, FALSE);
 427
 428         pjob = gtk_source_print_job_new_with_buffer (config, buffer);
 429         gnome_print_config_unref (config);
 430
 431         gtk_source_print_job_set_highlight (pjob, TRUE);
 432         gtk_source_print_job_set_print_numbers (pjob, FALSE);
 433         gtk_source_print_job_set_wrap_mode (pjob, gtk_text_view_get_wrap_mode (view));
 434         gtk_source_print_job_set_tabs_width (pjob, 8);
 435
 436         gtk_source_print_job_set_footer_format (pjob,
 437                                                 _("Page %N of %Q"),
 438                                                 NULL,
 439                                                 prefs_common.date_format,
 440                                                 TRUE);
 441
 442         gtk_source_print_job_set_print_header (pjob, FALSE);
 443         gtk_source_print_job_set_print_footer (pjob, TRUE);
 444
 445         pango_context = gtk_widget_get_pango_context (GTK_WIDGET (view));
 446         if (prefs_common.use_different_print_font)
 447         {
 448                 font_desc = pango_font_description_from_string (prefs_common.printfont);
 449         }
 450         else
 451         {
 452                 font_desc = pango_context_get_font_description (pango_context);
 453         }
 454
 455         gtk_source_print_job_set_font_desc (pjob, font_desc);
 456         if (prefs_common.use_different_print_font)
 457         {
 458                 pango_font_description_free (font_desc);
 459         }
 460
 461         pji = g_new0 (GeditPrintJobInfo, 1);
 462
 463         pji->pjob = pjob;
 464
 465         pji->doc = buffer;
 466         pji->preview = PREVIEW_NO;
 467         pji->range_type = GNOME_PRINT_RANGE_ALL;
 468
 469         return pji;
 470 }
 471
 472 #endif