1 /* GTK - The GIMP Toolkit
2 * gtkprintoperation-unix.c: Print Operation Details for Unix
3 * and Unix-like platforms
4 * Copyright (C) 2006, Red Hat, Inc.
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
24 #include <sys/types.h>
31 #include <glib/gstdio.h>
32 #include "gtkprintoperation-private.h"
33 #include "gtkmessagedialog.h"
35 #include <cairo-pdf.h>
37 #include "gtkprivate.h"
38 #include "gtkprintunixdialog.h"
39 #include "gtkpagesetupunixdialog.h"
40 #include "gtkprintbackend.h"
41 #include "gtkprinter.h"
42 #include "gtkprintjob.h"
49 GtkWindow *parent; /* just in case we need to throw error dialogs */
53 /* Real printing (not preview) */
54 GtkPrintJob *job; /* the job we are sending to the printer */
55 cairo_surface_t *surface;
56 gulong job_status_changed_tag;
59 } GtkPrintOperationUnix;
61 typedef struct _PrinterFinder PrinterFinder;
63 static void printer_finder_free (PrinterFinder *finder);
64 static void find_printer (const gchar *printer,
69 unix_start_page (GtkPrintOperation *op,
70 GtkPrintContext *print_context,
71 GtkPageSetup *page_setup)
73 GtkPrintOperationUnix *op_unix;
74 GtkPaperSize *paper_size;
75 cairo_surface_type_t type;
78 op_unix = op->priv->platform_data;
80 paper_size = gtk_page_setup_get_paper_size (page_setup);
82 w = gtk_paper_size_get_width (paper_size, GTK_UNIT_POINTS);
83 h = gtk_paper_size_get_height (paper_size, GTK_UNIT_POINTS);
85 type = cairo_surface_get_type (op_unix->surface);
87 if ((op->priv->manual_number_up < 2) ||
88 (op->priv->page_position % op->priv->manual_number_up == 0))
90 if (type == CAIRO_SURFACE_TYPE_PS)
92 cairo_ps_surface_set_size (op_unix->surface, w, h);
93 cairo_ps_surface_dsc_begin_page_setup (op_unix->surface);
94 switch (gtk_page_setup_get_orientation (page_setup))
96 case GTK_PAGE_ORIENTATION_PORTRAIT:
97 case GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT:
98 cairo_ps_surface_dsc_comment (op_unix->surface, "%%PageOrientation: Portrait");
101 case GTK_PAGE_ORIENTATION_LANDSCAPE:
102 case GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE:
103 cairo_ps_surface_dsc_comment (op_unix->surface, "%%PageOrientation: Landscape");
107 else if (type == CAIRO_SURFACE_TYPE_PDF)
109 if (!op->priv->manual_orientation)
111 w = gtk_page_setup_get_paper_width (page_setup, GTK_UNIT_POINTS);
112 h = gtk_page_setup_get_paper_height (page_setup, GTK_UNIT_POINTS);
114 cairo_pdf_surface_set_size (op_unix->surface, w, h);
120 unix_end_page (GtkPrintOperation *op,
121 GtkPrintContext *print_context)
125 cr = gtk_print_context_get_cairo_context (print_context);
127 if ((op->priv->manual_number_up < 2) ||
128 ((op->priv->page_position + 1) % op->priv->manual_number_up == 0) ||
129 (op->priv->page_position == op->priv->nr_of_pages_to_print - 1))
130 cairo_show_page (cr);
134 op_unix_free (GtkPrintOperationUnix *op_unix)
138 g_signal_handler_disconnect (op_unix->job,
139 op_unix->job_status_changed_tag);
140 g_object_unref (op_unix->job);
147 shell_command_substitute_file (const gchar *cmd,
148 const gchar *pdf_filename,
149 const gchar *settings_filename,
150 gboolean *pdf_filename_replaced,
151 gboolean *settings_filename_replaced)
153 const gchar *inptr, *start;
156 g_return_val_if_fail (cmd != NULL, NULL);
157 g_return_val_if_fail (pdf_filename != NULL, NULL);
158 g_return_val_if_fail (settings_filename != NULL, NULL);
160 final = g_string_new (NULL);
162 *pdf_filename_replaced = FALSE;
163 *settings_filename_replaced = FALSE;
166 while ((inptr = strchr (inptr, '%')) != NULL)
168 g_string_append_len (final, start, inptr - start);
173 g_string_append (final, pdf_filename);
174 *pdf_filename_replaced = TRUE;
178 g_string_append (final, settings_filename);
179 *settings_filename_replaced = TRUE;
183 g_string_append_c (final, '%');
187 g_string_append_c (final, '%');
189 g_string_append_c (final, *inptr);
196 g_string_append (final, start);
198 return g_string_free (final, FALSE);
202 _gtk_print_operation_platform_backend_launch_preview (GtkPrintOperation *op,
203 cairo_surface_t *surface,
205 const gchar *filename)
208 GdkAppLaunchContext *context;
211 GtkSettings *settings;
212 GtkPrintSettings *print_settings = NULL;
213 GtkPageSetup *page_setup;
214 GKeyFile *key_file = NULL;
217 gchar *settings_filename = NULL;
218 gchar *quoted_filename;
219 gchar *quoted_settings_filename;
220 gboolean filename_used = FALSE;
221 gboolean settings_used = FALSE;
223 GError *error = NULL;
227 cairo_surface_destroy (surface);
230 screen = gtk_window_get_screen (parent);
232 screen = gdk_screen_get_default ();
234 fd = g_file_open_tmp ("settingsXXXXXX.ini", &settings_filename, &error);
238 key_file = g_key_file_new ();
240 print_settings = gtk_print_settings_copy (gtk_print_operation_get_print_settings (op));
242 if (print_settings != NULL)
244 gtk_print_settings_set_reverse (print_settings, FALSE);
245 gtk_print_settings_set_page_set (print_settings, GTK_PAGE_SET_ALL);
246 gtk_print_settings_set_scale (print_settings, 1.0);
247 gtk_print_settings_set_number_up (print_settings, 1);
248 gtk_print_settings_set_number_up_layout (print_settings, GTK_NUMBER_UP_LAYOUT_LEFT_TO_RIGHT_TOP_TO_BOTTOM);
250 /* These removals are neccessary because cups-* settings have higher priority
251 * than normal settings.
253 gtk_print_settings_unset (print_settings, "cups-reverse");
254 gtk_print_settings_unset (print_settings, "cups-page-set");
255 gtk_print_settings_unset (print_settings, "cups-scale");
256 gtk_print_settings_unset (print_settings, "cups-number-up");
257 gtk_print_settings_unset (print_settings, "cups-number-up-layout");
259 gtk_print_settings_to_key_file (print_settings, key_file, NULL);
260 g_object_unref (print_settings);
263 page_setup = gtk_print_context_get_page_setup (op->priv->print_context);
264 gtk_page_setup_to_key_file (page_setup, key_file, NULL);
266 g_key_file_set_string (key_file, "Print Job", "title", op->priv->job_name);
268 data = g_key_file_to_data (key_file, &data_len, &error);
272 retval = g_file_set_contents (settings_filename, data, data_len, &error);
276 settings = gtk_settings_get_for_screen (screen);
277 g_object_get (settings, "gtk-print-preview-command", &preview_cmd, NULL);
279 quoted_filename = g_shell_quote (filename);
280 quoted_settings_filename = g_shell_quote (settings_filename);
281 cmd = shell_command_substitute_file (preview_cmd, quoted_filename, quoted_settings_filename, &filename_used, &settings_used);
283 appinfo = g_app_info_create_from_commandline (cmd,
285 G_APP_INFO_CREATE_NONE,
288 g_free (preview_cmd);
289 g_free (quoted_filename);
290 g_free (quoted_settings_filename);
296 context = gdk_display_get_app_launch_context (gdk_screen_get_display (screen));
297 gdk_app_launch_context_set_screen (context, screen);
298 g_app_info_launch (appinfo, NULL, G_APP_LAUNCH_CONTEXT (context), &error);
300 g_object_unref (context);
301 g_object_unref (appinfo);
307 g_warning ("%s %s", _("Error launching preview"), error->message);
309 g_error_free (error);
311 uri = g_filename_to_uri (filename, NULL, NULL);
312 gtk_show_uri (screen, uri, GDK_CURRENT_TIME, &error);
319 if (op->priv->error == NULL)
320 op->priv->error = error;
322 g_error_free (error);
324 filename_used = FALSE;
325 settings_used = FALSE;
332 g_unlink (settings_filename);
338 g_key_file_free (key_file);
340 g_free (settings_filename);
344 unix_finish_send (GtkPrintJob *job,
348 GtkPrintOperation *op = (GtkPrintOperation *) user_data;
349 GtkPrintOperationUnix *op_unix = op->priv->platform_data;
351 if (error != NULL && op->priv->error == NULL)
352 op->priv->error = g_error_copy (error);
354 op_unix->data_sent = TRUE;
357 g_main_loop_quit (op_unix->loop);
363 unix_end_run (GtkPrintOperation *op,
367 GtkPrintOperationUnix *op_unix = op->priv->platform_data;
369 cairo_surface_finish (op_unix->surface);
375 op_unix->loop = g_main_loop_new (NULL, FALSE);
377 /* TODO: Check for error */
378 if (op_unix->job != NULL)
381 gtk_print_job_send (op_unix->job,
389 if (!op_unix->data_sent)
391 gdk_threads_leave ();
392 g_main_loop_run (op_unix->loop);
393 gdk_threads_enter ();
395 g_main_loop_unref (op_unix->loop);
396 op_unix->loop = NULL;
402 job_status_changed_cb (GtkPrintJob *job,
403 GtkPrintOperation *op)
405 _gtk_print_operation_set_status (op, gtk_print_job_get_status (job), NULL);
410 print_setup_changed_cb (GtkPrintUnixDialog *print_dialog,
414 GtkPageSetup *page_setup;
415 GtkPrintSettings *print_settings;
416 GtkPrintOperation *op = user_data;
417 GtkPrintOperationPrivate *priv = op->priv;
419 page_setup = gtk_print_unix_dialog_get_page_setup (print_dialog);
420 print_settings = gtk_print_unix_dialog_get_settings (print_dialog);
422 g_signal_emit_by_name (op,
423 "update-custom-widget",
430 get_print_dialog (GtkPrintOperation *op,
433 GtkPrintOperationPrivate *priv = op->priv;
434 GtkWidget *pd, *label;
435 const gchar *custom_tab_label;
437 pd = gtk_print_unix_dialog_new (NULL, parent);
439 gtk_print_unix_dialog_set_manual_capabilities (GTK_PRINT_UNIX_DIALOG (pd),
440 GTK_PRINT_CAPABILITY_PAGE_SET |
441 GTK_PRINT_CAPABILITY_COPIES |
442 GTK_PRINT_CAPABILITY_COLLATE |
443 GTK_PRINT_CAPABILITY_REVERSE |
444 GTK_PRINT_CAPABILITY_SCALE |
445 GTK_PRINT_CAPABILITY_PREVIEW |
446 GTK_PRINT_CAPABILITY_NUMBER_UP |
447 GTK_PRINT_CAPABILITY_NUMBER_UP_LAYOUT);
449 if (priv->print_settings)
450 gtk_print_unix_dialog_set_settings (GTK_PRINT_UNIX_DIALOG (pd),
451 priv->print_settings);
453 if (priv->default_page_setup)
454 gtk_print_unix_dialog_set_page_setup (GTK_PRINT_UNIX_DIALOG (pd),
455 priv->default_page_setup);
457 gtk_print_unix_dialog_set_embed_page_setup (GTK_PRINT_UNIX_DIALOG (pd),
458 priv->embed_page_setup);
460 gtk_print_unix_dialog_set_current_page (GTK_PRINT_UNIX_DIALOG (pd),
463 gtk_print_unix_dialog_set_support_selection (GTK_PRINT_UNIX_DIALOG (pd),
464 priv->support_selection);
466 gtk_print_unix_dialog_set_has_selection (GTK_PRINT_UNIX_DIALOG (pd),
467 priv->has_selection);
469 g_signal_emit_by_name (op, "create-custom-widget",
470 &priv->custom_widget);
472 if (priv->custom_widget)
474 custom_tab_label = priv->custom_tab_label;
476 if (custom_tab_label == NULL)
478 custom_tab_label = g_get_application_name ();
479 if (custom_tab_label == NULL)
480 custom_tab_label = _("Application");
483 label = gtk_label_new (custom_tab_label);
485 gtk_print_unix_dialog_add_custom_tab (GTK_PRINT_UNIX_DIALOG (pd),
486 priv->custom_widget, label);
488 g_signal_connect (pd, "notify::selected-printer", (GCallback) print_setup_changed_cb, op);
489 g_signal_connect (pd, "notify::page-setup", (GCallback) print_setup_changed_cb, op);
497 GtkPrintOperation *op;
500 GtkPrintOperationResult result;
501 GtkPrintOperationPrintFunc print_cb;
502 GDestroyNotify destroy;
508 print_response_data_free (gpointer data)
510 PrintResponseData *rdata = data;
512 g_object_unref (rdata->op);
517 finish_print (PrintResponseData *rdata,
519 GtkPageSetup *page_setup,
520 GtkPrintSettings *settings,
521 gboolean page_setup_set)
523 GtkPrintOperation *op = rdata->op;
524 GtkPrintOperationPrivate *priv = op->priv;
526 gdouble top, bottom, left, right;
530 gtk_print_operation_set_print_settings (op, settings);
531 priv->print_context = _gtk_print_context_new (op);
533 if (gtk_print_settings_get_number_up (settings) < 2)
535 if (printer && gtk_printer_get_hard_margins (printer, &top, &bottom, &left, &right))
536 _gtk_print_context_set_hard_margins (priv->print_context, top, bottom, left, right);
540 /* Pages do not have any unprintable area when printing n-up as each page on the
541 * sheet has been scaled down and translated to a position within the printable
544 _gtk_print_context_set_hard_margins (priv->print_context, 0, 0, 0, 0);
547 if (page_setup != NULL &&
548 (gtk_print_operation_get_default_page_setup (op) == NULL ||
550 gtk_print_operation_set_default_page_setup (op, page_setup);
552 _gtk_print_context_set_page_setup (priv->print_context, page_setup);
554 if (!rdata->do_preview)
556 GtkPrintOperationUnix *op_unix;
559 op_unix = g_new0 (GtkPrintOperationUnix, 1);
560 priv->platform_data = op_unix;
561 priv->free_platform_data = (GDestroyNotify) op_unix_free;
562 op_unix->parent = rdata->parent;
564 priv->start_page = unix_start_page;
565 priv->end_page = unix_end_page;
566 priv->end_run = unix_end_run;
568 job = gtk_print_job_new (priv->job_name, printer, settings, page_setup);
570 gtk_print_job_set_track_print_status (job, priv->track_print_status);
572 op_unix->surface = gtk_print_job_get_surface (job, &priv->error);
573 if (op_unix->surface == NULL)
575 rdata->result = GTK_PRINT_OPERATION_RESULT_ERROR;
576 rdata->do_print = FALSE;
580 cr = cairo_create (op_unix->surface);
581 gtk_print_context_set_cairo_context (priv->print_context, cr, 72, 72);
584 _gtk_print_operation_set_status (op, gtk_print_job_get_status (job), NULL);
586 op_unix->job_status_changed_tag =
587 g_signal_connect (job, "status-changed",
588 G_CALLBACK (job_status_changed_cb), op);
590 priv->print_pages = gtk_print_job_get_pages (job);
591 priv->page_ranges = gtk_print_job_get_page_ranges (job, &priv->num_page_ranges);
592 priv->manual_num_copies = gtk_print_job_get_num_copies (job);
593 priv->manual_collation = gtk_print_job_get_collate (job);
594 priv->manual_reverse = gtk_print_job_get_reverse (job);
595 priv->manual_page_set = gtk_print_job_get_page_set (job);
596 priv->manual_scale = gtk_print_job_get_scale (job);
597 priv->manual_orientation = gtk_print_job_get_rotate (job);
598 priv->manual_number_up = gtk_print_job_get_n_up (job);
599 priv->manual_number_up_layout = gtk_print_job_get_n_up_layout (job);
604 rdata->print_cb (op, rdata->parent, rdata->do_print, rdata->result);
607 rdata->destroy (rdata);
611 handle_print_response (GtkWidget *dialog,
615 GtkPrintUnixDialog *pd = GTK_PRINT_UNIX_DIALOG (dialog);
616 PrintResponseData *rdata = data;
617 GtkPrintSettings *settings = NULL;
618 GtkPageSetup *page_setup = NULL;
619 GtkPrinter *printer = NULL;
620 gboolean page_setup_set = FALSE;
622 if (response == GTK_RESPONSE_OK)
624 printer = gtk_print_unix_dialog_get_selected_printer (GTK_PRINT_UNIX_DIALOG (pd));
626 rdata->result = GTK_PRINT_OPERATION_RESULT_APPLY;
627 rdata->do_preview = FALSE;
629 rdata->do_print = TRUE;
631 else if (response == GTK_RESPONSE_APPLY)
634 rdata->result = GTK_PRINT_OPERATION_RESULT_APPLY;
635 rdata->do_preview = TRUE;
636 rdata->do_print = TRUE;
638 rdata->op->priv->action = GTK_PRINT_OPERATION_ACTION_PREVIEW;
643 settings = gtk_print_unix_dialog_get_settings (GTK_PRINT_UNIX_DIALOG (pd));
644 page_setup = gtk_print_unix_dialog_get_page_setup (GTK_PRINT_UNIX_DIALOG (pd));
645 page_setup_set = gtk_print_unix_dialog_get_page_setup_set (GTK_PRINT_UNIX_DIALOG (pd));
647 /* Set new print settings now so that custom-widget options
648 * can be added to the settings in the callback
650 gtk_print_operation_set_print_settings (rdata->op, settings);
651 g_signal_emit_by_name (rdata->op, "custom-widget-apply", rdata->op->priv->custom_widget);
654 finish_print (rdata, printer, page_setup, settings, page_setup_set);
657 g_object_unref (settings);
659 gtk_widget_destroy (GTK_WIDGET (pd));
665 found_printer (GtkPrinter *printer,
666 PrintResponseData *rdata)
668 GtkPrintOperation *op = rdata->op;
669 GtkPrintOperationPrivate *priv = op->priv;
670 GtkPrintSettings *settings = NULL;
671 GtkPageSetup *page_setup = NULL;
674 g_main_loop_quit (rdata->loop);
678 rdata->result = GTK_PRINT_OPERATION_RESULT_APPLY;
680 rdata->do_print = TRUE;
682 if (priv->print_settings)
683 settings = gtk_print_settings_copy (priv->print_settings);
685 settings = gtk_print_settings_new ();
687 gtk_print_settings_set_printer (settings,
688 gtk_printer_get_name (printer));
690 if (priv->default_page_setup)
691 page_setup = gtk_page_setup_copy (priv->default_page_setup);
693 page_setup = gtk_page_setup_new ();
696 finish_print (rdata, printer, page_setup, settings, FALSE);
699 g_object_unref (settings);
702 g_object_unref (page_setup);
706 _gtk_print_operation_platform_backend_run_dialog_async (GtkPrintOperation *op,
707 gboolean show_dialog,
709 GtkPrintOperationPrintFunc print_cb)
712 PrintResponseData *rdata;
713 const gchar *printer_name;
715 rdata = g_new (PrintResponseData, 1);
716 rdata->op = g_object_ref (op);
717 rdata->do_print = FALSE;
718 rdata->do_preview = FALSE;
719 rdata->result = GTK_PRINT_OPERATION_RESULT_CANCEL;
720 rdata->print_cb = print_cb;
721 rdata->parent = parent;
723 rdata->destroy = print_response_data_free;
727 pd = get_print_dialog (op, parent);
728 gtk_window_set_modal (GTK_WINDOW (pd), TRUE);
730 g_signal_connect (pd, "response",
731 G_CALLBACK (handle_print_response), rdata);
733 gtk_window_present (GTK_WINDOW (pd));
738 if (op->priv->print_settings)
739 printer_name = gtk_print_settings_get_printer (op->priv->print_settings);
741 find_printer (printer_name, (GFunc) found_printer, rdata);
745 static cairo_status_t
746 write_preview (void *closure,
747 const unsigned char *data,
750 gint fd = GPOINTER_TO_INT (closure);
755 written = write (fd, data, length);
759 if (errno == EAGAIN || errno == EINTR)
762 return CAIRO_STATUS_WRITE_ERROR;
769 return CAIRO_STATUS_SUCCESS;
773 close_preview (void *data)
775 gint fd = GPOINTER_TO_INT (data);
781 _gtk_print_operation_platform_backend_create_preview_surface (GtkPrintOperation *op,
782 GtkPageSetup *page_setup,
789 GtkPaperSize *paper_size;
791 cairo_surface_t *surface;
792 static cairo_user_data_key_t key;
794 filename = g_build_filename (g_get_tmp_dir (), "previewXXXXXX.pdf", NULL);
795 fd = g_mkstemp (filename);
805 paper_size = gtk_page_setup_get_paper_size (page_setup);
806 w = gtk_paper_size_get_width (paper_size, GTK_UNIT_POINTS);
807 h = gtk_paper_size_get_height (paper_size, GTK_UNIT_POINTS);
809 *dpi_x = *dpi_y = 72;
810 surface = cairo_pdf_surface_create_for_stream (write_preview, GINT_TO_POINTER (fd), w, h);
812 cairo_surface_set_user_data (surface, &key, GINT_TO_POINTER (fd), close_preview);
818 _gtk_print_operation_platform_backend_preview_start_page (GtkPrintOperation *op,
819 cairo_surface_t *surface,
825 _gtk_print_operation_platform_backend_preview_end_page (GtkPrintOperation *op,
826 cairo_surface_t *surface,
829 cairo_show_page (cr);
833 _gtk_print_operation_platform_backend_resize_preview_surface (GtkPrintOperation *op,
834 GtkPageSetup *page_setup,
835 cairo_surface_t *surface)
839 w = gtk_page_setup_get_paper_width (page_setup, GTK_UNIT_POINTS);
840 h = gtk_page_setup_get_paper_height (page_setup, GTK_UNIT_POINTS);
841 cairo_pdf_surface_set_size (surface, w, h);
845 GtkPrintOperationResult
846 _gtk_print_operation_platform_backend_run_dialog (GtkPrintOperation *op,
847 gboolean show_dialog,
852 PrintResponseData rdata;
854 const gchar *printer_name;
857 rdata.do_print = FALSE;
858 rdata.do_preview = FALSE;
859 rdata.result = GTK_PRINT_OPERATION_RESULT_CANCEL;
860 rdata.print_cb = NULL;
861 rdata.destroy = NULL;
862 rdata.parent = parent;
867 pd = get_print_dialog (op, parent);
869 response = gtk_dialog_run (GTK_DIALOG (pd));
870 handle_print_response (pd, response, &rdata);
875 if (op->priv->print_settings)
876 printer_name = gtk_print_settings_get_printer (op->priv->print_settings);
878 rdata.loop = g_main_loop_new (NULL, FALSE);
879 find_printer (printer_name,
880 (GFunc) found_printer, &rdata);
882 gdk_threads_leave ();
883 g_main_loop_run (rdata.loop);
884 gdk_threads_enter ();
886 g_main_loop_unref (rdata.loop);
890 *do_print = rdata.do_print;
898 GtkPageSetup *page_setup;
899 GtkPageSetupDoneFunc done_cb;
901 GDestroyNotify destroy;
902 } PageSetupResponseData;
905 page_setup_data_free (gpointer data)
907 PageSetupResponseData *rdata = data;
909 if (rdata->page_setup)
910 g_object_unref (rdata->page_setup);
916 handle_page_setup_response (GtkWidget *dialog,
920 GtkPageSetupUnixDialog *psd;
921 PageSetupResponseData *rdata = data;
923 psd = GTK_PAGE_SETUP_UNIX_DIALOG (dialog);
924 if (response == GTK_RESPONSE_OK)
925 rdata->page_setup = gtk_page_setup_unix_dialog_get_page_setup (psd);
927 gtk_widget_destroy (dialog);
930 rdata->done_cb (rdata->page_setup, rdata->data);
933 rdata->destroy (rdata);
937 get_page_setup_dialog (GtkWindow *parent,
938 GtkPageSetup *page_setup,
939 GtkPrintSettings *settings)
943 dialog = gtk_page_setup_unix_dialog_new (NULL, parent);
945 gtk_page_setup_unix_dialog_set_page_setup (GTK_PAGE_SETUP_UNIX_DIALOG (dialog),
947 gtk_page_setup_unix_dialog_set_print_settings (GTK_PAGE_SETUP_UNIX_DIALOG (dialog),
954 * gtk_print_run_page_setup_dialog:
955 * @parent: (allow-none): transient parent
956 * @page_setup: (allow-none): an existing #GtkPageSetup
957 * @settings: a #GtkPrintSettings
959 * Runs a page setup dialog, letting the user modify the values from
960 * @page_setup. If the user cancels the dialog, the returned #GtkPageSetup
961 * is identical to the passed in @page_setup, otherwise it contains the
962 * modifications done in the dialog.
964 * Note that this function may use a recursive mainloop to show the page
965 * setup dialog. See gtk_print_run_page_setup_dialog_async() if this is
968 * Return value: (transfer full): a new #GtkPageSetup
973 gtk_print_run_page_setup_dialog (GtkWindow *parent,
974 GtkPageSetup *page_setup,
975 GtkPrintSettings *settings)
979 PageSetupResponseData rdata;
981 rdata.page_setup = NULL;
982 rdata.done_cb = NULL;
984 rdata.destroy = NULL;
986 dialog = get_page_setup_dialog (parent, page_setup, settings);
987 response = gtk_dialog_run (GTK_DIALOG (dialog));
988 handle_page_setup_response (dialog, response, &rdata);
990 if (rdata.page_setup)
991 return rdata.page_setup;
993 return gtk_page_setup_copy (page_setup);
995 return gtk_page_setup_new ();
999 * gtk_print_run_page_setup_dialog_async:
1000 * @parent: (allow-none): transient parent, or %NULL
1001 * @page_setup: (allow-none): an existing #GtkPageSetup, or %NULL
1002 * @settings: a #GtkPrintSettings
1003 * @done_cb: (scope async): a function to call when the user saves
1004 * the modified page setup
1005 * @data: user data to pass to @done_cb
1007 * Runs a page setup dialog, letting the user modify the values from @page_setup.
1009 * In contrast to gtk_print_run_page_setup_dialog(), this function returns after
1010 * showing the page setup dialog on platforms that support this, and calls @done_cb
1011 * from a signal handler for the ::response signal of the dialog.
1016 gtk_print_run_page_setup_dialog_async (GtkWindow *parent,
1017 GtkPageSetup *page_setup,
1018 GtkPrintSettings *settings,
1019 GtkPageSetupDoneFunc done_cb,
1023 PageSetupResponseData *rdata;
1025 dialog = get_page_setup_dialog (parent, page_setup, settings);
1026 gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
1028 rdata = g_new (PageSetupResponseData, 1);
1029 rdata->page_setup = NULL;
1030 rdata->done_cb = done_cb;
1032 rdata->destroy = page_setup_data_free;
1034 g_signal_connect (dialog, "response",
1035 G_CALLBACK (handle_page_setup_response), rdata);
1037 gtk_window_present (GTK_WINDOW (dialog));
1040 struct _PrinterFinder
1042 gboolean found_printer;
1045 gchar *printer_name;
1048 GtkPrinter *printer;
1049 GtkPrinter *default_printer;
1050 GtkPrinter *first_printer;
1054 find_printer_idle (gpointer data)
1056 PrinterFinder *finder = data;
1057 GtkPrinter *printer;
1059 if (finder->printer != NULL)
1060 printer = finder->printer;
1061 else if (finder->default_printer != NULL)
1062 printer = finder->default_printer;
1063 else if (finder->first_printer != NULL)
1064 printer = finder->first_printer;
1068 finder->func (printer, finder->data);
1070 printer_finder_free (finder);
1072 return G_SOURCE_REMOVE;
1076 printer_added_cb (GtkPrintBackend *backend,
1077 GtkPrinter *printer,
1078 PrinterFinder *finder)
1080 if (finder->found_printer)
1083 /* FIXME this skips "Print to PDF" - is this intentional ? */
1084 if (gtk_printer_is_virtual (printer))
1087 if (finder->printer_name != NULL &&
1088 strcmp (gtk_printer_get_name (printer), finder->printer_name) == 0)
1090 finder->printer = g_object_ref (printer);
1091 finder->found_printer = TRUE;
1093 else if (finder->default_printer == NULL &&
1094 gtk_printer_is_default (printer))
1096 finder->default_printer = g_object_ref (printer);
1097 if (finder->printer_name == NULL)
1098 finder->found_printer = TRUE;
1101 if (finder->first_printer == NULL)
1102 finder->first_printer = g_object_ref (printer);
1104 if (finder->found_printer)
1105 g_idle_add (find_printer_idle, finder);
1109 printer_list_done_cb (GtkPrintBackend *backend,
1110 PrinterFinder *finder)
1112 finder->backends = g_list_remove (finder->backends, backend);
1114 g_signal_handlers_disconnect_by_func (backend, printer_added_cb, finder);
1115 g_signal_handlers_disconnect_by_func (backend, printer_list_done_cb, finder);
1117 gtk_print_backend_destroy (backend);
1118 g_object_unref (backend);
1120 if (finder->backends == NULL && !finder->found_printer)
1121 g_idle_add (find_printer_idle, finder);
1125 find_printer_init (PrinterFinder *finder,
1126 GtkPrintBackend *backend)
1131 list = gtk_print_backend_get_printer_list (backend);
1134 while (node != NULL)
1136 printer_added_cb (backend, node->data, finder);
1139 if (finder->found_printer)
1145 if (gtk_print_backend_printer_list_is_done (backend))
1147 finder->backends = g_list_remove (finder->backends, backend);
1148 gtk_print_backend_destroy (backend);
1149 g_object_unref (backend);
1153 g_signal_connect (backend, "printer-added",
1154 (GCallback) printer_added_cb,
1156 g_signal_connect (backend, "printer-list-done",
1157 (GCallback) printer_list_done_cb,
1164 printer_finder_free (PrinterFinder *finder)
1168 g_free (finder->printer_name);
1170 if (finder->printer)
1171 g_object_unref (finder->printer);
1173 if (finder->default_printer)
1174 g_object_unref (finder->default_printer);
1176 if (finder->first_printer)
1177 g_object_unref (finder->first_printer);
1179 for (l = finder->backends; l != NULL; l = l->next)
1181 GtkPrintBackend *backend = l->data;
1182 g_signal_handlers_disconnect_by_func (backend, printer_added_cb, finder);
1183 g_signal_handlers_disconnect_by_func (backend, printer_list_done_cb, finder);
1184 gtk_print_backend_destroy (backend);
1185 g_object_unref (backend);
1188 g_list_free (finder->backends);
1194 find_printer (const gchar *printer,
1199 PrinterFinder *finder;
1201 finder = g_new0 (PrinterFinder, 1);
1203 finder->printer_name = g_strdup (printer);
1204 finder->func = func;
1205 finder->data = data;
1207 finder->backends = NULL;
1208 if (g_module_supported ())
1209 finder->backends = gtk_print_backend_load_modules ();
1211 for (node = finder->backends; !finder->found_printer && node != NULL; node = next)
1214 find_printer_init (finder, GTK_PRINT_BACKEND (node->data));
1217 if (finder->backends == NULL && !finder->found_printer)
1218 g_idle_add (find_printer_idle, finder);