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