/* GTK - The GIMP Toolkit * gtkprintoperation-unix.c: Print Operation Details for Unix * and Unix-like platforms * Copyright (C) 2006, Red Hat, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library. If not, see . */ #include "config.h" #ifdef HAVE_UNISTD_H #include #endif #include #include #include #include #include #include #include #include "gtkprintoperation-private.h" #include "gtkprintoperation-portal.h" #include "gtkmessagedialog.h" #include #include #include "gtkprivate.h" #include "gtkprintunixdialog.h" #include "gtkpagesetupunixdialog.h" #include "gtkprintbackend.h" #include "gtkprinter.h" #include "gtkprintjob.h" #include "gtklabel.h" #include "gtkintl.h" typedef struct { GtkWindow *parent; /* just in case we need to throw error dialogs */ GMainLoop *loop; gboolean data_sent; /* Real printing (not preview) */ GtkPrintJob *job; /* the job we are sending to the printer */ cairo_surface_t *surface; gulong job_status_changed_tag; } GtkPrintOperationUnix; typedef struct _PrinterFinder PrinterFinder; static void printer_finder_free (PrinterFinder *finder); static void find_printer (const gchar *printer, GFunc func, gpointer data); static void unix_start_page (GtkPrintOperation *op, GtkPrintContext *print_context, GtkPageSetup *page_setup) { GtkPrintOperationUnix *op_unix; GtkPaperSize *paper_size; cairo_surface_type_t type; gdouble w, h; op_unix = op->priv->platform_data; paper_size = gtk_page_setup_get_paper_size (page_setup); w = gtk_paper_size_get_width (paper_size, GTK_UNIT_POINTS); h = gtk_paper_size_get_height (paper_size, GTK_UNIT_POINTS); type = cairo_surface_get_type (op_unix->surface); if ((op->priv->manual_number_up < 2) || (op->priv->page_position % op->priv->manual_number_up == 0)) { if (type == CAIRO_SURFACE_TYPE_PS) { cairo_ps_surface_set_size (op_unix->surface, w, h); cairo_ps_surface_dsc_begin_page_setup (op_unix->surface); switch (gtk_page_setup_get_orientation (page_setup)) { case GTK_PAGE_ORIENTATION_PORTRAIT: case GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT: cairo_ps_surface_dsc_comment (op_unix->surface, "%%PageOrientation: Portrait"); break; case GTK_PAGE_ORIENTATION_LANDSCAPE: case GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE: cairo_ps_surface_dsc_comment (op_unix->surface, "%%PageOrientation: Landscape"); break; default: break; } } else if (type == CAIRO_SURFACE_TYPE_PDF) { if (!op->priv->manual_orientation) { w = gtk_page_setup_get_paper_width (page_setup, GTK_UNIT_POINTS); h = gtk_page_setup_get_paper_height (page_setup, GTK_UNIT_POINTS); } cairo_pdf_surface_set_size (op_unix->surface, w, h); } } } static void unix_end_page (GtkPrintOperation *op, GtkPrintContext *print_context) { cairo_t *cr; cr = gtk_print_context_get_cairo_context (print_context); if ((op->priv->manual_number_up < 2) || ((op->priv->page_position + 1) % op->priv->manual_number_up == 0) || (op->priv->page_position == op->priv->nr_of_pages_to_print - 1)) cairo_show_page (cr); } static void op_unix_free (GtkPrintOperationUnix *op_unix) { if (op_unix->job) { if (op_unix->job_status_changed_tag > 0) g_signal_handler_disconnect (op_unix->job, op_unix->job_status_changed_tag); g_object_unref (op_unix->job); } g_free (op_unix); } static gchar * shell_command_substitute_file (const gchar *cmd, const gchar *pdf_filename, const gchar *settings_filename, gboolean *pdf_filename_replaced, gboolean *settings_filename_replaced) { const gchar *inptr, *start; GString *final; g_return_val_if_fail (cmd != NULL, NULL); g_return_val_if_fail (pdf_filename != NULL, NULL); g_return_val_if_fail (settings_filename != NULL, NULL); final = g_string_new (NULL); *pdf_filename_replaced = FALSE; *settings_filename_replaced = FALSE; start = inptr = cmd; while ((inptr = strchr (inptr, '%')) != NULL) { g_string_append_len (final, start, inptr - start); inptr++; switch (*inptr) { case 'f': g_string_append (final, pdf_filename); *pdf_filename_replaced = TRUE; break; case 's': g_string_append (final, settings_filename); *settings_filename_replaced = TRUE; break; case '%': g_string_append_c (final, '%'); break; default: g_string_append_c (final, '%'); if (*inptr) g_string_append_c (final, *inptr); break; } if (*inptr) inptr++; start = inptr; } g_string_append (final, start); return g_string_free (final, FALSE); } static void gtk_print_operation_unix_launch_preview (GtkPrintOperation *op, cairo_surface_t *surface, GtkWindow *parent, const gchar *filename) { GAppInfo *appinfo; GdkAppLaunchContext *context; gchar *cmd; gchar *preview_cmd; GtkSettings *settings; GtkPrintSettings *print_settings = NULL; GtkPageSetup *page_setup; GKeyFile *key_file = NULL; gchar *data = NULL; gsize data_len; gchar *settings_filename = NULL; gchar *quoted_filename; gchar *quoted_settings_filename; gboolean filename_used = FALSE; gboolean settings_used = FALSE; GdkDisplay *display; GError *error = NULL; gint fd; gboolean retval; cairo_surface_destroy (surface); if (parent) display = gtk_widget_get_display (GTK_WIDGET (parent)); else display = gdk_display_get_default (); fd = g_file_open_tmp ("settingsXXXXXX.ini", &settings_filename, &error); if (fd < 0) goto out; key_file = g_key_file_new (); print_settings = gtk_print_settings_copy (gtk_print_operation_get_print_settings (op)); if (print_settings != NULL) { gtk_print_settings_set_reverse (print_settings, FALSE); gtk_print_settings_set_page_set (print_settings, GTK_PAGE_SET_ALL); gtk_print_settings_set_scale (print_settings, 1.0); gtk_print_settings_set_number_up (print_settings, 1); gtk_print_settings_set_number_up_layout (print_settings, GTK_NUMBER_UP_LAYOUT_LEFT_TO_RIGHT_TOP_TO_BOTTOM); /* These removals are neccessary because cups-* settings have higher priority * than normal settings. */ gtk_print_settings_unset (print_settings, "cups-reverse"); gtk_print_settings_unset (print_settings, "cups-page-set"); gtk_print_settings_unset (print_settings, "cups-scale"); gtk_print_settings_unset (print_settings, "cups-number-up"); gtk_print_settings_unset (print_settings, "cups-number-up-layout"); gtk_print_settings_to_key_file (print_settings, key_file, NULL); g_object_unref (print_settings); } page_setup = gtk_print_context_get_page_setup (op->priv->print_context); gtk_page_setup_to_key_file (page_setup, key_file, NULL); g_key_file_set_string (key_file, "Print Job", "title", op->priv->job_name); data = g_key_file_to_data (key_file, &data_len, &error); if (!data) goto out; retval = g_file_set_contents (settings_filename, data, data_len, &error); if (!retval) goto out; settings = gtk_settings_get_for_display (display); g_object_get (settings, "gtk-print-preview-command", &preview_cmd, NULL); quoted_filename = g_shell_quote (filename); quoted_settings_filename = g_shell_quote (settings_filename); cmd = shell_command_substitute_file (preview_cmd, quoted_filename, quoted_settings_filename, &filename_used, &settings_used); appinfo = g_app_info_create_from_commandline (cmd, "Print Preview", G_APP_INFO_CREATE_NONE, &error); g_free (preview_cmd); g_free (quoted_filename); g_free (quoted_settings_filename); g_free (cmd); if (error != NULL) goto out; context = gdk_display_get_app_launch_context (display); g_app_info_launch (appinfo, NULL, G_APP_LAUNCH_CONTEXT (context), &error); g_object_unref (context); g_object_unref (appinfo); if (error != NULL) { gchar* uri; g_warning ("Error launching preview: %s", error->message); g_error_free (error); error = NULL; uri = g_filename_to_uri (filename, NULL, NULL); gtk_show_uri_on_window (parent, uri, GDK_CURRENT_TIME, &error); g_free (uri); } out: if (error != NULL) { if (op->priv->error == NULL) op->priv->error = error; else g_error_free (error); filename_used = FALSE; settings_used = FALSE; } if (!filename_used) g_unlink (filename); if (!settings_used) g_unlink (settings_filename); if (fd > 0) close (fd); if (key_file) g_key_file_free (key_file); g_free (data); g_free (settings_filename); } static void unix_finish_send (GtkPrintJob *job, gpointer user_data, const GError *error) { GtkPrintOperation *op = (GtkPrintOperation *) user_data; GtkPrintOperationUnix *op_unix = op->priv->platform_data; if (error != NULL && op->priv->error == NULL) op->priv->error = g_error_copy (error); op_unix->data_sent = TRUE; if (op_unix->loop) g_main_loop_quit (op_unix->loop); g_object_unref (op); } static void unix_end_run (GtkPrintOperation *op, gboolean wait, gboolean cancelled) { GtkPrintOperationUnix *op_unix = op->priv->platform_data; cairo_surface_finish (op_unix->surface); if (cancelled) return; if (wait) op_unix->loop = g_main_loop_new (NULL, FALSE); /* TODO: Check for error */ if (op_unix->job != NULL) { g_object_ref (op); gtk_print_job_send (op_unix->job, unix_finish_send, op, NULL); } if (wait) { g_object_ref (op); if (!op_unix->data_sent) g_main_loop_run (op_unix->loop); g_main_loop_unref (op_unix->loop); op_unix->loop = NULL; g_object_unref (op); } } static void job_status_changed_cb (GtkPrintJob *job, GtkPrintOperation *op) { _gtk_print_operation_set_status (op, gtk_print_job_get_status (job), NULL); } static void print_setup_changed_cb (GtkPrintUnixDialog *print_dialog, GParamSpec *pspec, gpointer user_data) { GtkPageSetup *page_setup; GtkPrintSettings *print_settings; GtkPrintOperation *op = user_data; GtkPrintOperationPrivate *priv = op->priv; page_setup = gtk_print_unix_dialog_get_page_setup (print_dialog); print_settings = gtk_print_unix_dialog_get_settings (print_dialog); g_signal_emit_by_name (op, "update-custom-widget", priv->custom_widget, page_setup, print_settings); } static GtkWidget * get_print_dialog (GtkPrintOperation *op, GtkWindow *parent) { GtkPrintOperationPrivate *priv = op->priv; GtkWidget *pd, *label; const gchar *custom_tab_label; pd = gtk_print_unix_dialog_new (NULL, parent); gtk_print_unix_dialog_set_manual_capabilities (GTK_PRINT_UNIX_DIALOG (pd), GTK_PRINT_CAPABILITY_PAGE_SET | GTK_PRINT_CAPABILITY_COPIES | GTK_PRINT_CAPABILITY_COLLATE | GTK_PRINT_CAPABILITY_REVERSE | GTK_PRINT_CAPABILITY_SCALE | GTK_PRINT_CAPABILITY_PREVIEW | GTK_PRINT_CAPABILITY_NUMBER_UP | GTK_PRINT_CAPABILITY_NUMBER_UP_LAYOUT); if (priv->print_settings) gtk_print_unix_dialog_set_settings (GTK_PRINT_UNIX_DIALOG (pd), priv->print_settings); if (priv->default_page_setup) gtk_print_unix_dialog_set_page_setup (GTK_PRINT_UNIX_DIALOG (pd), priv->default_page_setup); gtk_print_unix_dialog_set_embed_page_setup (GTK_PRINT_UNIX_DIALOG (pd), priv->embed_page_setup); gtk_print_unix_dialog_set_current_page (GTK_PRINT_UNIX_DIALOG (pd), priv->current_page); gtk_print_unix_dialog_set_support_selection (GTK_PRINT_UNIX_DIALOG (pd), priv->support_selection); gtk_print_unix_dialog_set_has_selection (GTK_PRINT_UNIX_DIALOG (pd), priv->has_selection); g_signal_emit_by_name (op, "create-custom-widget", &priv->custom_widget); if (priv->custom_widget) { custom_tab_label = priv->custom_tab_label; if (custom_tab_label == NULL) { custom_tab_label = g_get_application_name (); if (custom_tab_label == NULL) custom_tab_label = _("Application"); } label = gtk_label_new (custom_tab_label); gtk_print_unix_dialog_add_custom_tab (GTK_PRINT_UNIX_DIALOG (pd), priv->custom_widget, label); g_signal_connect (pd, "notify::selected-printer", (GCallback) print_setup_changed_cb, op); g_signal_connect (pd, "notify::page-setup", (GCallback) print_setup_changed_cb, op); } return pd; } typedef struct { GtkPrintOperation *op; gboolean do_print; gboolean do_preview; GtkPrintOperationResult result; GtkPrintOperationPrintFunc print_cb; GDestroyNotify destroy; GtkWindow *parent; GMainLoop *loop; } PrintResponseData; static void print_response_data_free (gpointer data) { PrintResponseData *rdata = data; g_object_unref (rdata->op); g_free (rdata); } static void finish_print (PrintResponseData *rdata, GtkPrinter *printer, GtkPageSetup *page_setup, GtkPrintSettings *settings, gboolean page_setup_set) { GtkPrintOperation *op = rdata->op; GtkPrintOperationPrivate *priv = op->priv; GtkPrintJob *job; gdouble top, bottom, left, right; if (rdata->do_print) { gtk_print_operation_set_print_settings (op, settings); priv->print_context = _gtk_print_context_new (op); if (gtk_print_settings_get_number_up (settings) < 2) { if (printer && (gtk_printer_get_hard_margins_for_paper_size (printer, gtk_page_setup_get_paper_size (page_setup), &top, &bottom, &left, &right) || gtk_printer_get_hard_margins (printer, &top, &bottom, &left, &right))) _gtk_print_context_set_hard_margins (priv->print_context, top, bottom, left, right); } else { /* Pages do not have any unprintable area when printing n-up as each page on the * sheet has been scaled down and translated to a position within the printable * area of the sheet. */ _gtk_print_context_set_hard_margins (priv->print_context, 0, 0, 0, 0); } if (page_setup != NULL && (gtk_print_operation_get_default_page_setup (op) == NULL || page_setup_set)) gtk_print_operation_set_default_page_setup (op, page_setup); _gtk_print_context_set_page_setup (priv->print_context, page_setup); if (!rdata->do_preview) { GtkPrintOperationUnix *op_unix; cairo_t *cr; op_unix = g_new0 (GtkPrintOperationUnix, 1); priv->platform_data = op_unix; priv->free_platform_data = (GDestroyNotify) op_unix_free; op_unix->parent = rdata->parent; priv->start_page = unix_start_page; priv->end_page = unix_end_page; priv->end_run = unix_end_run; job = gtk_print_job_new (priv->job_name, printer, settings, page_setup); op_unix->job = job; gtk_print_job_set_track_print_status (job, priv->track_print_status); op_unix->surface = gtk_print_job_get_surface (job, &priv->error); if (op_unix->surface == NULL) { rdata->result = GTK_PRINT_OPERATION_RESULT_ERROR; rdata->do_print = FALSE; goto out; } cr = cairo_create (op_unix->surface); gtk_print_context_set_cairo_context (priv->print_context, cr, 72, 72); cairo_destroy (cr); _gtk_print_operation_set_status (op, gtk_print_job_get_status (job), NULL); op_unix->job_status_changed_tag = g_signal_connect (job, "status-changed", G_CALLBACK (job_status_changed_cb), op); priv->print_pages = gtk_print_job_get_pages (job); priv->page_ranges = gtk_print_job_get_page_ranges (job, &priv->num_page_ranges); priv->manual_num_copies = gtk_print_job_get_num_copies (job); priv->manual_collation = gtk_print_job_get_collate (job); priv->manual_reverse = gtk_print_job_get_reverse (job); priv->manual_page_set = gtk_print_job_get_page_set (job); priv->manual_scale = gtk_print_job_get_scale (job); priv->manual_orientation = gtk_print_job_get_rotate (job); priv->manual_number_up = gtk_print_job_get_n_up (job); priv->manual_number_up_layout = gtk_print_job_get_n_up_layout (job); } } out: if (rdata->print_cb) rdata->print_cb (op, rdata->parent, rdata->do_print, rdata->result); if (rdata->destroy) rdata->destroy (rdata); } static void handle_print_response (GtkWidget *dialog, gint response, gpointer data) { GtkPrintUnixDialog *pd = GTK_PRINT_UNIX_DIALOG (dialog); PrintResponseData *rdata = data; GtkPrintSettings *settings = NULL; GtkPageSetup *page_setup = NULL; GtkPrinter *printer = NULL; gboolean page_setup_set = FALSE; if (response == GTK_RESPONSE_OK) { printer = gtk_print_unix_dialog_get_selected_printer (GTK_PRINT_UNIX_DIALOG (pd)); rdata->result = GTK_PRINT_OPERATION_RESULT_APPLY; rdata->do_preview = FALSE; if (printer != NULL) rdata->do_print = TRUE; } else if (response == GTK_RESPONSE_APPLY) { /* print preview */ rdata->result = GTK_PRINT_OPERATION_RESULT_APPLY; rdata->do_preview = TRUE; rdata->do_print = TRUE; rdata->op->priv->action = GTK_PRINT_OPERATION_ACTION_PREVIEW; } if (rdata->do_print) { settings = gtk_print_unix_dialog_get_settings (GTK_PRINT_UNIX_DIALOG (pd)); page_setup = gtk_print_unix_dialog_get_page_setup (GTK_PRINT_UNIX_DIALOG (pd)); page_setup_set = gtk_print_unix_dialog_get_page_setup_set (GTK_PRINT_UNIX_DIALOG (pd)); /* Set new print settings now so that custom-widget options * can be added to the settings in the callback */ gtk_print_operation_set_print_settings (rdata->op, settings); g_signal_emit_by_name (rdata->op, "custom-widget-apply", rdata->op->priv->custom_widget); } finish_print (rdata, printer, page_setup, settings, page_setup_set); if (settings) g_object_unref (settings); gtk_widget_destroy (GTK_WIDGET (pd)); } static void found_printer (GtkPrinter *printer, PrintResponseData *rdata) { GtkPrintOperation *op = rdata->op; GtkPrintOperationPrivate *priv = op->priv; GtkPrintSettings *settings = NULL; GtkPageSetup *page_setup = NULL; if (rdata->loop) g_main_loop_quit (rdata->loop); if (printer != NULL) { rdata->result = GTK_PRINT_OPERATION_RESULT_APPLY; rdata->do_print = TRUE; if (priv->print_settings) settings = gtk_print_settings_copy (priv->print_settings); else settings = gtk_print_settings_new (); gtk_print_settings_set_printer (settings, gtk_printer_get_name (printer)); if (priv->default_page_setup) page_setup = gtk_page_setup_copy (priv->default_page_setup); else page_setup = gtk_page_setup_new (); } finish_print (rdata, printer, page_setup, settings, FALSE); if (settings) g_object_unref (settings); if (page_setup) g_object_unref (page_setup); } static void gtk_print_operation_unix_run_dialog_async (GtkPrintOperation *op, gboolean show_dialog, GtkWindow *parent, GtkPrintOperationPrintFunc print_cb) { GtkWidget *pd; PrintResponseData *rdata; const gchar *printer_name; rdata = g_new (PrintResponseData, 1); rdata->op = g_object_ref (op); rdata->do_print = FALSE; rdata->do_preview = FALSE; rdata->result = GTK_PRINT_OPERATION_RESULT_CANCEL; rdata->print_cb = print_cb; rdata->parent = parent; rdata->loop = NULL; rdata->destroy = print_response_data_free; if (show_dialog) { pd = get_print_dialog (op, parent); gtk_window_set_modal (GTK_WINDOW (pd), TRUE); g_signal_connect (pd, "response", G_CALLBACK (handle_print_response), rdata); gtk_window_present (GTK_WINDOW (pd)); } else { printer_name = NULL; if (op->priv->print_settings) printer_name = gtk_print_settings_get_printer (op->priv->print_settings); find_printer (printer_name, (GFunc) found_printer, rdata); } } static cairo_status_t write_preview (void *closure, const unsigned char *data, unsigned int length) { gint fd = GPOINTER_TO_INT (closure); gssize written; while (length > 0) { written = write (fd, data, length); if (written == -1) { if (errno == EAGAIN || errno == EINTR) continue; return CAIRO_STATUS_WRITE_ERROR; } data += written; length -= written; } return CAIRO_STATUS_SUCCESS; } static void close_preview (void *data) { gint fd = GPOINTER_TO_INT (data); close (fd); } static cairo_surface_t * gtk_print_operation_unix_create_preview_surface (GtkPrintOperation *op, GtkPageSetup *page_setup, gdouble *dpi_x, gdouble *dpi_y, gchar **target) { gchar *filename; gint fd; GtkPaperSize *paper_size; gdouble w, h; cairo_surface_t *surface; static cairo_user_data_key_t key; filename = g_build_filename (g_get_tmp_dir (), "previewXXXXXX.pdf", NULL); fd = g_mkstemp (filename); if (fd < 0) { g_free (filename); return NULL; } *target = filename; paper_size = gtk_page_setup_get_paper_size (page_setup); w = gtk_paper_size_get_width (paper_size, GTK_UNIT_POINTS); h = gtk_paper_size_get_height (paper_size, GTK_UNIT_POINTS); *dpi_x = *dpi_y = 72; surface = cairo_pdf_surface_create_for_stream (write_preview, GINT_TO_POINTER (fd), w, h); cairo_surface_set_user_data (surface, &key, GINT_TO_POINTER (fd), close_preview); return surface; } static void gtk_print_operation_unix_preview_start_page (GtkPrintOperation *op, cairo_surface_t *surface, cairo_t *cr) { } static void gtk_print_operation_unix_preview_end_page (GtkPrintOperation *op, cairo_surface_t *surface, cairo_t *cr) { cairo_show_page (cr); } static void gtk_print_operation_unix_resize_preview_surface (GtkPrintOperation *op, GtkPageSetup *page_setup, cairo_surface_t *surface) { gdouble w, h; w = gtk_page_setup_get_paper_width (page_setup, GTK_UNIT_POINTS); h = gtk_page_setup_get_paper_height (page_setup, GTK_UNIT_POINTS); cairo_pdf_surface_set_size (surface, w, h); } static GtkPrintOperationResult gtk_print_operation_unix_run_dialog (GtkPrintOperation *op, gboolean show_dialog, GtkWindow *parent, gboolean *do_print) { GtkWidget *pd; PrintResponseData rdata; gint response; const gchar *printer_name; rdata.op = op; rdata.do_print = FALSE; rdata.do_preview = FALSE; rdata.result = GTK_PRINT_OPERATION_RESULT_CANCEL; rdata.print_cb = NULL; rdata.destroy = NULL; rdata.parent = parent; rdata.loop = NULL; if (show_dialog) { pd = get_print_dialog (op, parent); response = gtk_dialog_run (GTK_DIALOG (pd)); handle_print_response (pd, response, &rdata); } else { printer_name = NULL; if (op->priv->print_settings) printer_name = gtk_print_settings_get_printer (op->priv->print_settings); rdata.loop = g_main_loop_new (NULL, FALSE); find_printer (printer_name, (GFunc) found_printer, &rdata); g_main_loop_run (rdata.loop); g_main_loop_unref (rdata.loop); rdata.loop = NULL; } *do_print = rdata.do_print; return rdata.result; } typedef struct { GtkPageSetup *page_setup; GtkPageSetupDoneFunc done_cb; gpointer data; GDestroyNotify destroy; } PageSetupResponseData; static void page_setup_data_free (gpointer data) { PageSetupResponseData *rdata = data; if (rdata->page_setup) g_object_unref (rdata->page_setup); g_free (rdata); } static void handle_page_setup_response (GtkWidget *dialog, gint response, gpointer data) { GtkPageSetupUnixDialog *psd; PageSetupResponseData *rdata = data; psd = GTK_PAGE_SETUP_UNIX_DIALOG (dialog); if (response == GTK_RESPONSE_OK) rdata->page_setup = gtk_page_setup_unix_dialog_get_page_setup (psd); gtk_widget_destroy (dialog); if (rdata->done_cb) rdata->done_cb (rdata->page_setup, rdata->data); if (rdata->destroy) rdata->destroy (rdata); } static GtkWidget * get_page_setup_dialog (GtkWindow *parent, GtkPageSetup *page_setup, GtkPrintSettings *settings) { GtkWidget *dialog; dialog = gtk_page_setup_unix_dialog_new (NULL, parent); if (page_setup) gtk_page_setup_unix_dialog_set_page_setup (GTK_PAGE_SETUP_UNIX_DIALOG (dialog), page_setup); gtk_page_setup_unix_dialog_set_print_settings (GTK_PAGE_SETUP_UNIX_DIALOG (dialog), settings); return dialog; } /** * gtk_print_run_page_setup_dialog: * @parent: (allow-none): transient parent * @page_setup: (allow-none): an existing #GtkPageSetup * @settings: a #GtkPrintSettings * * Runs a page setup dialog, letting the user modify the values from * @page_setup. If the user cancels the dialog, the returned #GtkPageSetup * is identical to the passed in @page_setup, otherwise it contains the * modifications done in the dialog. * * Note that this function may use a recursive mainloop to show the page * setup dialog. See gtk_print_run_page_setup_dialog_async() if this is * a problem. * * Returns: (transfer full): a new #GtkPageSetup */ GtkPageSetup * gtk_print_run_page_setup_dialog (GtkWindow *parent, GtkPageSetup *page_setup, GtkPrintSettings *settings) { GtkWidget *dialog; gint response; PageSetupResponseData rdata; rdata.page_setup = NULL; rdata.done_cb = NULL; rdata.data = NULL; rdata.destroy = NULL; dialog = get_page_setup_dialog (parent, page_setup, settings); response = gtk_dialog_run (GTK_DIALOG (dialog)); handle_page_setup_response (dialog, response, &rdata); if (rdata.page_setup) return rdata.page_setup; else if (page_setup) return gtk_page_setup_copy (page_setup); else return gtk_page_setup_new (); } /** * gtk_print_run_page_setup_dialog_async: * @parent: (allow-none): transient parent, or %NULL * @page_setup: (allow-none): an existing #GtkPageSetup, or %NULL * @settings: a #GtkPrintSettings * @done_cb: (scope async): a function to call when the user saves * the modified page setup * @data: user data to pass to @done_cb * * Runs a page setup dialog, letting the user modify the values from @page_setup. * * In contrast to gtk_print_run_page_setup_dialog(), this function returns after * showing the page setup dialog on platforms that support this, and calls @done_cb * from a signal handler for the ::response signal of the dialog. */ void gtk_print_run_page_setup_dialog_async (GtkWindow *parent, GtkPageSetup *page_setup, GtkPrintSettings *settings, GtkPageSetupDoneFunc done_cb, gpointer data) { GtkWidget *dialog; PageSetupResponseData *rdata; dialog = get_page_setup_dialog (parent, page_setup, settings); gtk_window_set_modal (GTK_WINDOW (dialog), TRUE); rdata = g_new (PageSetupResponseData, 1); rdata->page_setup = NULL; rdata->done_cb = done_cb; rdata->data = data; rdata->destroy = page_setup_data_free; g_signal_connect (dialog, "response", G_CALLBACK (handle_page_setup_response), rdata); gtk_window_present (GTK_WINDOW (dialog)); } struct _PrinterFinder { gboolean found_printer; GFunc func; gpointer data; gchar *printer_name; GList *backends; guint timeout_tag; GtkPrinter *printer; GtkPrinter *default_printer; GtkPrinter *first_printer; }; static gboolean find_printer_idle (gpointer data) { PrinterFinder *finder = data; GtkPrinter *printer; if (finder->printer != NULL) printer = finder->printer; else if (finder->default_printer != NULL) printer = finder->default_printer; else if (finder->first_printer != NULL) printer = finder->first_printer; else printer = NULL; finder->func (printer, finder->data); printer_finder_free (finder); return G_SOURCE_REMOVE; } static void printer_added_cb (GtkPrintBackend *backend, GtkPrinter *printer, PrinterFinder *finder) { if (finder->found_printer) return; /* FIXME this skips "Print to PDF" - is this intentional ? */ if (gtk_printer_is_virtual (printer)) return; if (finder->printer_name != NULL && strcmp (gtk_printer_get_name (printer), finder->printer_name) == 0) { finder->printer = g_object_ref (printer); finder->found_printer = TRUE; } else if (finder->default_printer == NULL && gtk_printer_is_default (printer)) { finder->default_printer = g_object_ref (printer); if (finder->printer_name == NULL) finder->found_printer = TRUE; } else if (finder->first_printer == NULL) finder->first_printer = g_object_ref (printer); if (finder->found_printer) g_idle_add (find_printer_idle, finder); } static void printer_list_done_cb (GtkPrintBackend *backend, PrinterFinder *finder) { finder->backends = g_list_remove (finder->backends, backend); g_signal_handlers_disconnect_by_func (backend, printer_added_cb, finder); g_signal_handlers_disconnect_by_func (backend, printer_list_done_cb, finder); gtk_print_backend_destroy (backend); g_object_unref (backend); if (finder->backends == NULL && !finder->found_printer) g_idle_add (find_printer_idle, finder); } static void find_printer_init (PrinterFinder *finder, GtkPrintBackend *backend) { GList *list; GList *node; list = gtk_print_backend_get_printer_list (backend); node = list; while (node != NULL) { printer_added_cb (backend, node->data, finder); node = node->next; if (finder->found_printer) break; } g_list_free (list); if (gtk_print_backend_printer_list_is_done (backend)) { finder->backends = g_list_remove (finder->backends, backend); gtk_print_backend_destroy (backend); g_object_unref (backend); } else { g_signal_connect (backend, "printer-added", (GCallback) printer_added_cb, finder); g_signal_connect (backend, "printer-list-done", (GCallback) printer_list_done_cb, finder); } } static void printer_finder_free (PrinterFinder *finder) { GList *l; g_free (finder->printer_name); if (finder->printer) g_object_unref (finder->printer); if (finder->default_printer) g_object_unref (finder->default_printer); if (finder->first_printer) g_object_unref (finder->first_printer); for (l = finder->backends; l != NULL; l = l->next) { GtkPrintBackend *backend = l->data; g_signal_handlers_disconnect_by_func (backend, printer_added_cb, finder); g_signal_handlers_disconnect_by_func (backend, printer_list_done_cb, finder); gtk_print_backend_destroy (backend); g_object_unref (backend); } g_list_free (finder->backends); g_free (finder); } static void find_printer (const gchar *printer, GFunc func, gpointer data) { GList *node, *next; PrinterFinder *finder; finder = g_new0 (PrinterFinder, 1); finder->printer_name = g_strdup (printer); finder->func = func; finder->data = data; finder->backends = NULL; if (g_module_supported ()) finder->backends = gtk_print_backend_load_modules (); for (node = finder->backends; !finder->found_printer && node != NULL; node = next) { next = node->next; find_printer_init (finder, GTK_PRINT_BACKEND (node->data)); } if (finder->backends == NULL && !finder->found_printer) g_idle_add (find_printer_idle, finder); } GtkPrintOperationResult _gtk_print_operation_platform_backend_run_dialog (GtkPrintOperation *op, gboolean show_dialog, GtkWindow *parent, gboolean *do_print) { if (gtk_should_use_portal ()) return gtk_print_operation_portal_run_dialog (op, show_dialog, parent, do_print); else return gtk_print_operation_unix_run_dialog (op, show_dialog, parent, do_print); } void _gtk_print_operation_platform_backend_run_dialog_async (GtkPrintOperation *op, gboolean show_dialog, GtkWindow *parent, GtkPrintOperationPrintFunc print_cb) { if (gtk_should_use_portal ()) gtk_print_operation_portal_run_dialog_async (op, show_dialog, parent, print_cb); else gtk_print_operation_unix_run_dialog_async (op, show_dialog, parent, print_cb); } void _gtk_print_operation_platform_backend_launch_preview (GtkPrintOperation *op, cairo_surface_t *surface, GtkWindow *parent, const gchar *filename) { if (gtk_should_use_portal ()) gtk_print_operation_portal_launch_preview (op, surface, parent, filename); else gtk_print_operation_unix_launch_preview (op, surface, parent, filename); } cairo_surface_t * _gtk_print_operation_platform_backend_create_preview_surface (GtkPrintOperation *op, GtkPageSetup *page_setup, gdouble *dpi_x, gdouble *dpi_y, gchar **target) { return gtk_print_operation_unix_create_preview_surface (op, page_setup, dpi_x, dpi_y, target); } void _gtk_print_operation_platform_backend_resize_preview_surface (GtkPrintOperation *op, GtkPageSetup *page_setup, cairo_surface_t *surface) { gtk_print_operation_unix_resize_preview_surface (op, page_setup, surface); } void _gtk_print_operation_platform_backend_preview_start_page (GtkPrintOperation *op, cairo_surface_t *surface, cairo_t *cr) { gtk_print_operation_unix_preview_start_page (op, surface, cr); } void _gtk_print_operation_platform_backend_preview_end_page (GtkPrintOperation *op, cairo_surface_t *surface, cairo_t *cr) { gtk_print_operation_unix_preview_end_page (op, surface, cr); }