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 3 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, see <http://www.gnu.org/licenses/>.
  21  */
  22
  23 /*
  24  * Modified by the gedit Team, 1998-2002. See the AUTHORS file for a
  25  * list of people on the gedit Team.
  26  * See the ChangeLog files for a list of changes.
  27  */
  28
  29 #ifdef HAVE_CONFIG_H
  30 #include <config.h>
  31 #endif
  32
  33 #ifdef USE_GNOMEPRINT
  34
  35 #include <sys/types.h>
  36 #include <sys/stat.h>
  37 #include <fcntl.h>
  38 #include <unistd.h>
  39 #include <string.h>     /* For strlen */
  40
  41 #include <glib/gi18n.h>
  42 #include <gtk/gtkframe.h>
  43 #include <gtk/gtkhbox.h>
  44 #include <gtk/gtkvbox.h>
  45 #include <gtk/gtklabel.h>
  46 #include <gtk/gtkmain.h>
  47 #include <gtk/gtkprogressbar.h>
  48 #include <gtk/gtkimage.h>
  49 #include <gtk/gtkwindow.h>
  50 #include <libgnomeprintui/gnome-print-dialog.h>
  51 #include <libgnomeprintui/gnome-print-job-preview.h>
  52
  53 #include "gedit-print.h"
  54 #include "gtk/gtksourceprintjob.h"
  55 #include "mainwindow.h"
  56 #include "prefs_common.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         gboolean           done;
  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                 pji->done = TRUE;
 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 = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "gedit-print");
 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                                        (total == 0) ? 0 : 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                 pji->done = TRUE;
 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         pji->done = 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         while (pji->done != TRUE)
 358                 gtk_main_iteration();
 359         gedit_print_job_info_destroy (pji, pji->preview ? FALSE:TRUE);
 360
 361 }
 362
 363 static void
 364 gedit_print_preview_real (GeditPrintJobInfo *pji,
 365                           GtkTextIter       *start,
 366                           GtkTextIter       *end,
 367                           GtkWindow         *parent)
 368 {
 369         show_printing_dialog (pji, parent);
 370
 371         pji->parent = parent;
 372
 373         g_signal_connect (pji->pjob, "begin_page", (GCallback) page_cb, pji);
 374         g_signal_connect (pji->pjob, "finished", (GCallback) preview_finished_cb, pji);
 375
 376         if (!gtk_source_print_job_print_range_async (pji->pjob, start, end))
 377         {
 378                 /* FIXME */
 379                 g_warning ("Async print failed");
 380                 gtk_widget_destroy (pji->dialog);
 381         }
 382 }
 383
 384 static void
 385 gedit_print_real (GeditPrintJobInfo *pji,
 386                   GtkTextIter       *start,
 387                   GtkTextIter       *end,
 388                   GtkWindow         *parent)
 389 {
 390         show_printing_dialog (pji, parent);
 391
 392         g_signal_connect (pji->pjob, "begin_page", (GCallback) page_cb, pji);
 393         g_signal_connect (pji->pjob, "finished", (GCallback) print_finished_cb, pji);
 394
 395         if (!gtk_source_print_job_print_range_async (pji->pjob, start, end))
 396         {
 397                 /* FIXME */
 398                 g_warning ("Async print failed");
 399                 gtk_widget_destroy (pji->dialog);
 400         }
 401 }
 402
 403 static GeditPrintJobInfo *
 404 gedit_print_job_info_new (GtkTextView* view)
 405 {
 406         GtkSourcePrintJob *pjob;
 407         GnomePrintConfig *config;
 408         GeditPrintJobInfo *pji;
 409         PangoContext *pango_context;
 410         PangoFontDescription *font_desc;
 411         GtkTextBuffer *buffer;
 412
 413         gedit_debug (DEBUG_PRINT, "");
 414
 415         g_return_val_if_fail (view != NULL, NULL);
 416
 417         buffer = gtk_text_view_get_buffer (view);
 418         g_return_val_if_fail (buffer != NULL, NULL);
 419
 420         config = gnome_print_config_default ();
 421         g_return_val_if_fail (config != NULL, NULL);
 422
 423         gnome_print_config_set_int (config, GNOME_PRINT_KEY_NUM_COPIES, 1);
 424         gnome_print_config_set_boolean (config, GNOME_PRINT_KEY_COLLATE, FALSE);
 425
 426         pjob = gtk_source_print_job_new_with_buffer (config, buffer);
 427         gnome_print_config_unref (config);
 428
 429         gtk_source_print_job_set_highlight (pjob, TRUE);
 430         gtk_source_print_job_set_print_numbers (pjob, FALSE);
 431         gtk_source_print_job_set_wrap_mode (pjob, gtk_text_view_get_wrap_mode (view));
 432         gtk_source_print_job_set_tabs_width (pjob, 8);
 433
 434         gtk_source_print_job_set_footer_format (pjob,
 435                                                 _("Page %N of %Q"),
 436                                                 NULL,
 437                                                 prefs_common.date_format,
 438                                                 TRUE);
 439
 440         gtk_source_print_job_set_print_header (pjob, FALSE);
 441         gtk_source_print_job_set_print_footer (pjob, TRUE);
 442
 443         pango_context = gtk_widget_get_pango_context (GTK_WIDGET (view));
 444         if (prefs_common.use_different_print_font)
 445         {
 446                 font_desc = pango_font_description_from_string (prefs_common.printfont);
 447         }
 448         else
 449         {
 450                 font_desc = pango_context_get_font_description (pango_context);
 451         }
 452
 453         gtk_source_print_job_set_font_desc (pjob, font_desc);
 454         if (prefs_common.use_different_print_font)
 455         {
 456                 pango_font_description_free (font_desc);
 457         }
 458
 459         pji = g_new0 (GeditPrintJobInfo, 1);
 460
 461         pji->pjob = pjob;
 462
 463         pji->doc = buffer;
 464         pji->preview = PREVIEW_NO;
 465         pji->range_type = GNOME_PRINT_RANGE_ALL;
 466
 467         return pji;
 468 }
 469
 470 #endif