/* this file is part of atril, a mate document viewer * * Copyright (C) 2008 Carlos Garcia Campos <carlosgc@gnome.org> * * Atril is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * Atril 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 * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include <config.h> #include "ev-print-operation.h" #if GTKUNIXPRINT_ENABLED #include <gtk/gtkunixprint.h> #endif #include <glib/gi18n.h> #include <glib/gstdio.h> #include <unistd.h> #include "ev-jobs.h" #include "ev-job-scheduler.h" enum { PROP_0, PROP_DOCUMENT }; enum { DONE, BEGIN_PRINT, STATUS_CHANGED, LAST_SIGNAL }; static guint signals[LAST_SIGNAL] = { 0 }; struct _EvPrintOperation { GObject parent; EvDocument *document; /* Progress */ gchar *status; gdouble progress; }; struct _EvPrintOperationClass { GObjectClass parent_class; void (* set_current_page) (EvPrintOperation *op, gint current_page); void (* set_print_settings) (EvPrintOperation *op, GtkPrintSettings *print_settings); GtkPrintSettings *(* get_print_settings) (EvPrintOperation *op); void (* set_default_page_setup) (EvPrintOperation *op, GtkPageSetup *page_setup); GtkPageSetup *(* get_default_page_setup) (EvPrintOperation *op); void (* set_job_name) (EvPrintOperation *op, const gchar *job_name); const gchar *(* get_job_name) (EvPrintOperation *op); void (* run) (EvPrintOperation *op, GtkWindow *parent); void (* cancel) (EvPrintOperation *op); void (* get_error) (EvPrintOperation *op, GError **error); void (* set_embed_page_setup) (EvPrintOperation *op, gboolean embed); gboolean (* get_embed_page_setup) (EvPrintOperation *op); /* signals */ void (* done) (EvPrintOperation *op, GtkPrintOperationResult result); void (* begin_print) (EvPrintOperation *op); void (* status_changed) (EvPrintOperation *op); }; G_DEFINE_ABSTRACT_TYPE (EvPrintOperation, ev_print_operation, G_TYPE_OBJECT) static void ev_print_operation_finalize (GObject *object) { EvPrintOperation *op = EV_PRINT_OPERATION (object); if (op->document) { g_object_unref (op->document); op->document = NULL; } if (op->status) { g_free (op->status); op->status = NULL; } (* G_OBJECT_CLASS (ev_print_operation_parent_class)->finalize) (object); } static void ev_print_operation_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { EvPrintOperation *op = EV_PRINT_OPERATION (object); switch (prop_id) { case PROP_DOCUMENT: op->document = g_value_dup_object (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); } } static void ev_print_operation_init (EvPrintOperation *op) { } static void ev_print_operation_class_init (EvPrintOperationClass *klass) { GObjectClass *g_object_class = G_OBJECT_CLASS (klass); g_object_class->set_property = ev_print_operation_set_property; g_object_class->finalize = ev_print_operation_finalize; g_object_class_install_property (g_object_class, PROP_DOCUMENT, g_param_spec_object ("document", "Document", "The document to print", EV_TYPE_DOCUMENT, G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); signals[DONE] = g_signal_new ("done", G_TYPE_FROM_CLASS (g_object_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (EvPrintOperationClass, done), NULL, NULL, g_cclosure_marshal_VOID__ENUM, G_TYPE_NONE, 1, GTK_TYPE_PRINT_OPERATION_RESULT); signals[BEGIN_PRINT] = g_signal_new ("begin_print", G_TYPE_FROM_CLASS (g_object_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (EvPrintOperationClass, begin_print), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); signals[STATUS_CHANGED] = g_signal_new ("status_changed", G_TYPE_FROM_CLASS (g_object_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (EvPrintOperationClass, status_changed), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); } /* Public methods */ void ev_print_operation_set_current_page (EvPrintOperation *op, gint current_page) { EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op); g_return_if_fail (EV_IS_PRINT_OPERATION (op)); g_return_if_fail (current_page >= 0); class->set_current_page (op, current_page); } void ev_print_operation_set_print_settings (EvPrintOperation *op, GtkPrintSettings *print_settings) { EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op); g_return_if_fail (EV_IS_PRINT_OPERATION (op)); g_return_if_fail (GTK_IS_PRINT_SETTINGS (print_settings)); class->set_print_settings (op, print_settings); } GtkPrintSettings * ev_print_operation_get_print_settings (EvPrintOperation *op) { EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op); g_return_val_if_fail (EV_IS_PRINT_OPERATION (op), NULL); return class->get_print_settings (op); } void ev_print_operation_set_default_page_setup (EvPrintOperation *op, GtkPageSetup *page_setup) { EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op); g_return_if_fail (EV_IS_PRINT_OPERATION (op)); g_return_if_fail (GTK_IS_PAGE_SETUP (page_setup)); class->set_default_page_setup (op, page_setup); } GtkPageSetup * ev_print_operation_get_default_page_setup (EvPrintOperation *op) { EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op); g_return_val_if_fail (EV_IS_PRINT_OPERATION (op), NULL); return class->get_default_page_setup (op); } void ev_print_operation_set_job_name (EvPrintOperation *op, const gchar *job_name) { EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op); g_return_if_fail (EV_IS_PRINT_OPERATION (op)); g_return_if_fail (job_name != NULL); class->set_job_name (op, job_name); } const gchar * ev_print_operation_get_job_name (EvPrintOperation *op) { EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op); g_return_val_if_fail (EV_IS_PRINT_OPERATION (op), NULL); return class->get_job_name (op); } void ev_print_operation_run (EvPrintOperation *op, GtkWindow *parent) { EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op); g_return_if_fail (EV_IS_PRINT_OPERATION (op)); class->run (op, parent); } void ev_print_operation_cancel (EvPrintOperation *op) { EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op); g_return_if_fail (EV_IS_PRINT_OPERATION (op)); class->cancel (op); } void ev_print_operation_get_error (EvPrintOperation *op, GError **error) { EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op); g_return_if_fail (EV_IS_PRINT_OPERATION (op)); class->get_error (op, error); } void ev_print_operation_set_embed_page_setup (EvPrintOperation *op, gboolean embed) { EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op); g_return_if_fail (EV_IS_PRINT_OPERATION (op)); class->set_embed_page_setup (op, embed); } gboolean ev_print_operation_get_embed_page_setup (EvPrintOperation *op) { EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op); g_return_val_if_fail (EV_IS_PRINT_OPERATION (op), FALSE); return class->get_embed_page_setup (op); } const gchar * ev_print_operation_get_status (EvPrintOperation *op) { g_return_val_if_fail (EV_IS_PRINT_OPERATION (op), NULL); return op->status ? op->status : ""; } gdouble ev_print_operation_get_progress (EvPrintOperation *op) { g_return_val_if_fail (EV_IS_PRINT_OPERATION (op), 0.0); return op->progress; } static void ev_print_operation_update_status (EvPrintOperation *op, gint page, gint n_pages, gdouble progress) { if (op->status && op->progress == progress) return; g_free (op->status); if (page == -1) { /* Initial state */ op->status = g_strdup (_("Preparing to print…")); } else if (page > n_pages) { op->status = g_strdup (_("Finishing…")); } else { op->status = g_strdup_printf (_("Printing page %d of %d…"), page, n_pages); } op->progress = MIN (1.0, progress); g_signal_emit (op, signals[STATUS_CHANGED], 0); } #if GTKUNIXPRINT_ENABLED /* Export interface */ #define EV_TYPE_PRINT_OPERATION_EXPORT (ev_print_operation_export_get_type()) #define EV_PRINT_OPERATION_EXPORT(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_PRINT_OPERATION_EXPORT, EvPrintOperationExport)) #define EV_PRINT_OPERATION_EXPORT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_PRINT_OPERATION_EXPORT, EvPrintOperationExportClass)) #define EV_IS_PRINT_OPERATION_EXPORT(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_PRINT_OPERATION_EXPORT)) typedef struct _EvPrintOperationExport EvPrintOperationExport; typedef struct _EvPrintOperationExportClass EvPrintOperationExportClass; static GType ev_print_operation_export_get_type (void) G_GNUC_CONST; static void ev_print_operation_export_begin (EvPrintOperationExport *export); static gboolean export_print_page (EvPrintOperationExport *export); static void export_cancel (EvPrintOperationExport *export); struct _EvPrintOperationExport { EvPrintOperation parent; GtkWindow *parent_window; EvJob *job_export; GError *error; gboolean print_preview; gint n_pages; gint current_page; GtkPrinter *printer; GtkPageSetup *page_setup; GtkPrintSettings *print_settings; GtkPageSet page_set; gint copies; guint collate : 1; guint reverse : 1; gint pages_per_sheet; gint fd; gchar *temp_file; gchar *job_name; gboolean embed_page_setup; guint idle_id; /* Context */ EvFileExporterContext fc; gint n_pages_to_print; gint uncollated_copies; gint collated_copies; gint uncollated, collated, total; gint sheet, page_count; gint range, n_ranges; GtkPageRange *ranges; GtkPageRange one_range; gint page, start, end, inc; }; struct _EvPrintOperationExportClass { EvPrintOperationClass parent_class; }; G_DEFINE_TYPE (EvPrintOperationExport, ev_print_operation_export, EV_TYPE_PRINT_OPERATION) /* Internal print queue */ static GHashTable *print_queue = NULL; static void queue_free (GQueue *queue) { g_queue_foreach (queue, (GFunc)g_object_unref, NULL); g_queue_free (queue); } static void ev_print_queue_init (void) { if (G_UNLIKELY (print_queue == NULL)) { print_queue = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, (GDestroyNotify)queue_free); } } static void remove_document_queue (gpointer data, GObject *document) { if (print_queue) g_hash_table_remove (print_queue, document); } static gboolean ev_print_queue_is_empty (EvDocument *document) { GQueue *queue; queue = g_hash_table_lookup (print_queue, document); return (!queue || g_queue_is_empty (queue)); } static void ev_print_queue_push (EvPrintOperation *op) { GQueue *queue; queue = g_hash_table_lookup (print_queue, op->document); if (!queue) { queue = g_queue_new (); g_hash_table_insert (print_queue, op->document, queue); g_object_weak_ref (G_OBJECT (op->document), (GWeakNotify)remove_document_queue, NULL); } g_queue_push_head (queue, g_object_ref (op)); } static EvPrintOperation * ev_print_queue_pop (EvDocument *document) { EvPrintOperation *op; GQueue *queue; queue = g_hash_table_lookup (print_queue, document); if (!queue || g_queue_is_empty (queue)) return NULL; op = g_queue_pop_tail (queue); g_object_unref (op); return op; } static EvPrintOperation * ev_print_queue_peek (EvDocument *document) { GQueue *queue; queue = g_hash_table_lookup (print_queue, document); if (!queue || g_queue_is_empty (queue)) return NULL; return g_queue_peek_tail (queue); } static void ev_print_operation_export_set_current_page (EvPrintOperation *op, gint current_page) { EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op); g_return_if_fail (current_page < export->n_pages); export->current_page = current_page; } static void ev_print_operation_export_set_print_settings (EvPrintOperation *op, GtkPrintSettings *print_settings) { EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op); if (print_settings == export->print_settings) return; g_object_ref (print_settings); if (export->print_settings) g_object_unref (export->print_settings); export->print_settings = print_settings; } static GtkPrintSettings * ev_print_operation_export_get_print_settings (EvPrintOperation *op) { EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op); return export->print_settings; } static void ev_print_operation_export_set_default_page_setup (EvPrintOperation *op, GtkPageSetup *page_setup) { EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op); if (page_setup == export->page_setup) return; g_object_ref (page_setup); if (export->page_setup) g_object_unref (export->page_setup); export->page_setup = page_setup; } static GtkPageSetup * ev_print_operation_export_get_default_page_setup (EvPrintOperation *op) { EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op); return export->page_setup; } static void ev_print_operation_export_set_job_name (EvPrintOperation *op, const gchar *job_name) { EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op); g_free (export->job_name); export->job_name = g_strdup (job_name); } static const gchar * ev_print_operation_export_get_job_name (EvPrintOperation *op) { EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op); return export->job_name; } static void ev_print_operation_export_set_printer (EvPrintOperationExport *export, GtkPrinter *printer) { if (printer == export->printer) return; g_object_ref (printer); if (export->printer) g_object_unref (export->printer); export->printer = printer; } static void find_range (EvPrintOperationExport *export) { GtkPageRange *range; range = &export->ranges[export->range]; if (export->inc < 0) { export->start = range->end; export->end = range->start - 1; } else { export->start = range->start; export->end = range->end + 1; } } static gboolean clamp_ranges (EvPrintOperationExport *export) { gint num_of_correct_ranges = 0; gint n_pages_to_print = 0; gint i; gboolean null_flag = FALSE; for (i = 0; i < export->n_ranges; i++) { gint n_pages; if ((export->ranges[i].start >= 0) && (export->ranges[i].start < export->n_pages) && (export->ranges[i].end >= 0) && (export->ranges[i].end < export->n_pages)) { export->ranges[num_of_correct_ranges] = export->ranges[i]; num_of_correct_ranges++; } else if ((export->ranges[i].start >= 0) && (export->ranges[i].start < export->n_pages) && (export->ranges[i].end >= export->n_pages)) { export->ranges[i].end = export->n_pages - 1; export->ranges[num_of_correct_ranges] = export->ranges[i]; num_of_correct_ranges++; } else if ((export->ranges[i].end >= 0) && (export->ranges[i].end < export->n_pages) && (export->ranges[i].start < 0)) { export->ranges[i].start = 0; export->ranges[num_of_correct_ranges] = export->ranges[i]; num_of_correct_ranges++; } n_pages = export->ranges[i].end - export->ranges[i].start + 1; if (export->page_set == GTK_PAGE_SET_ALL) { n_pages_to_print += n_pages; } else if (n_pages % 2 == 0) { n_pages_to_print += n_pages / 2; } else if (export->page_set == GTK_PAGE_SET_EVEN) { if (n_pages==1 && export->ranges[i].start % 2 == 0) null_flag = TRUE; else n_pages_to_print += export->ranges[i].start % 2 == 0 ? n_pages / 2 : (n_pages / 2) + 1; } else if (export->page_set == GTK_PAGE_SET_ODD) { if (n_pages==1 && export->ranges[i].start % 2 != 0) null_flag = TRUE; else n_pages_to_print += export->ranges[i].start % 2 == 0 ? (n_pages / 2) + 1 : n_pages / 2; } } if (null_flag && !n_pages_to_print) { return FALSE; } else { export->n_ranges = num_of_correct_ranges; export->n_pages_to_print = n_pages_to_print; return TRUE; } } static void get_first_and_last_page (EvPrintOperationExport *export, gint *first, gint *last) { gint i; gint first_page = G_MAXINT; gint last_page = G_MININT; gint max_page = export->n_pages - 1; if (export->n_ranges == 0) { *first = 0; *last = max_page; return; } for (i = 0; i < export->n_ranges; i++) { if (export->ranges[i].start < first_page) first_page = export->ranges[i].start; if (export->ranges[i].end > last_page) last_page = export->ranges[i].end; } *first = MAX (0, first_page); *last = MIN (max_page, last_page); } static gboolean export_print_inc_page (EvPrintOperationExport *export) { do { export->page += export->inc; /* note: when NOT collating, page_count is increased in export_print_page */ if (export->collate) { export->page_count++; export->sheet = 1 + (export->page_count - 1) / export->pages_per_sheet; } if (export->page == export->end) { export->range += export->inc; if (export->range == -1 || export->range == export->n_ranges) { export->uncollated++; /* when printing multiple collated copies & multiple pages per sheet we want to * prevent the next copy bleeding into the last sheet of the previous one * we've reached the last range to be printed now, so this is the time to do it */ if (export->pages_per_sheet > 1 && export->collate == 1 && (export->page_count - 1) % export->pages_per_sheet != 0) { EvPrintOperation *op = EV_PRINT_OPERATION (export); ev_document_doc_mutex_lock (); /* keep track of all blanks but only actualise those * which are in the current odd / even sheet set */ export->page_count += export->pages_per_sheet - (export->page_count - 1) % export->pages_per_sheet; if (export->page_set == GTK_PAGE_SET_ALL || (export->page_set == GTK_PAGE_SET_EVEN && export->sheet % 2 == 0) || (export->page_set == GTK_PAGE_SET_ODD && export->sheet % 2 == 1) ) { ev_file_exporter_end_page (EV_FILE_EXPORTER (op->document)); } ev_document_doc_mutex_unlock (); export->sheet = 1 + (export->page_count - 1) / export->pages_per_sheet; } if (export->uncollated == export->uncollated_copies) return FALSE; export->range = export->inc < 0 ? export->n_ranges - 1 : 0; } find_range (export); export->page = export->start; } /* in/decrement the page number until we reach the first page on the next EVEN or ODD sheet * if we're not collating, we have to make sure that this is done only once! */ } while ( export->collate == 1 && ((export->page_set == GTK_PAGE_SET_EVEN && export->sheet % 2 == 1) || (export->page_set == GTK_PAGE_SET_ODD && export->sheet % 2 == 0))); return TRUE; } static void ev_print_operation_export_clear_temp_file (EvPrintOperationExport *export) { if (!export->temp_file) return; g_unlink (export->temp_file); g_free (export->temp_file); export->temp_file = NULL; } static void ev_print_operation_export_run_next (EvPrintOperationExport *export) { EvPrintOperation *op = EV_PRINT_OPERATION (export); EvPrintOperation *next; EvDocument *document; /* First pop the current job */ document = op->document; ev_print_queue_pop (document); next = ev_print_queue_peek (document); if (next) ev_print_operation_export_begin (EV_PRINT_OPERATION_EXPORT (next)); } static void gtk_print_job_finished (GtkPrintJob *print_job, EvPrintOperationExport *export, GError *error) { EvPrintOperation *op = EV_PRINT_OPERATION (export); if (error) { g_set_error_literal (&export->error, GTK_PRINT_ERROR, GTK_PRINT_ERROR_GENERAL, error->message); g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_ERROR); } else { g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_APPLY); } ev_print_operation_export_clear_temp_file (export); g_object_unref (print_job); ev_print_operation_export_run_next (export); } static void export_print_done (EvPrintOperationExport *export) { EvPrintOperation *op = EV_PRINT_OPERATION (export); GtkPrintSettings *settings; EvFileExporterCapabilities capabilities; GError *error = NULL; g_assert (export->temp_file != NULL); /* Some printers take into account some print settings, * and others don't. However we have exported the document * to a ps or pdf file according to such print settings. So, * we want to send the exported file to printer with those * settings set to default values. */ settings = gtk_print_settings_copy (export->print_settings); capabilities = ev_file_exporter_get_capabilities (EV_FILE_EXPORTER (op->document)); gtk_print_settings_set_page_ranges (settings, NULL, 0); gtk_print_settings_set_print_pages (settings, GTK_PRINT_PAGES_ALL); if (capabilities & EV_FILE_EXPORTER_CAN_COPIES) gtk_print_settings_set_n_copies (settings, 1); if (capabilities & EV_FILE_EXPORTER_CAN_PAGE_SET) gtk_print_settings_set_page_set (settings, GTK_PAGE_SET_ALL); if (capabilities & EV_FILE_EXPORTER_CAN_SCALE) gtk_print_settings_set_scale (settings, 1.0); if (capabilities & EV_FILE_EXPORTER_CAN_COLLATE) gtk_print_settings_set_collate (settings, FALSE); if (capabilities & EV_FILE_EXPORTER_CAN_REVERSE) gtk_print_settings_set_reverse (settings, FALSE); if (capabilities & EV_FILE_EXPORTER_CAN_NUMBER_UP) { gtk_print_settings_set_number_up (settings, 1); gtk_print_settings_set_int (settings, "cups-"GTK_PRINT_SETTINGS_NUMBER_UP, 1); } if (export->print_preview) { GKeyFile *key_file; gchar *data = NULL; gsize data_len; gchar *print_settings_file = NULL; key_file = g_key_file_new (); gtk_print_settings_to_key_file (settings, key_file, NULL); gtk_page_setup_to_key_file (export->page_setup, key_file, NULL); g_key_file_set_string (key_file, "Print Job", "title", export->job_name); data = g_key_file_to_data (key_file, &data_len, &error); if (data) { gint fd; fd = g_file_open_tmp ("print-settingsXXXXXX", &print_settings_file, &error); if (!error) g_file_set_contents (print_settings_file, data, data_len, &error); close (fd); g_free (data); } g_key_file_free (key_file); if (!error) { GAppInfo *app; GdkAppLaunchContext *ctx; gchar *cmd; gchar *quoted_filename; gchar *quoted_settings_filename; quoted_filename = g_shell_quote (export->temp_file); quoted_settings_filename = g_shell_quote (print_settings_file); cmd = g_strdup_printf ("atril-previewer --unlink-tempfile --print-settings %s %s", quoted_settings_filename, quoted_filename); g_free (quoted_filename); g_free (quoted_settings_filename); app = g_app_info_create_from_commandline (cmd, NULL, 0, &error); if (app != NULL) { #if GTK_CHECK_VERSION (3, 0, 0) ctx = gdk_display_get_app_launch_context (gtk_widget_get_display (GTK_WIDGET (export->parent_window))); #else ctx = gdk_app_launch_context_new (); gdk_app_launch_context_set_display (ctx, gtk_widget_get_display (GTK_WIDGET (export->parent_window))); #endif gdk_app_launch_context_set_screen (ctx, gtk_window_get_screen (export->parent_window)); g_app_info_launch (app, NULL, G_APP_LAUNCH_CONTEXT (ctx), &error); g_object_unref (app); g_object_unref (ctx); } g_free (cmd); } if (error) { if (print_settings_file) g_unlink (print_settings_file); g_free (print_settings_file); } else { g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_APPLY); /* temp_file will be deleted by the previewer */ ev_print_operation_export_run_next (export); } } else { GtkPrintJob *job; job = gtk_print_job_new (export->job_name, export->printer, settings, export->page_setup); gtk_print_job_set_source_file (job, export->temp_file, &error); if (!error){ gtk_print_job_send (job, (GtkPrintJobCompleteFunc)gtk_print_job_finished, g_object_ref (export), (GDestroyNotify)g_object_unref); } } g_object_unref (settings); if (error) { g_set_error_literal (&export->error, GTK_PRINT_ERROR, GTK_PRINT_ERROR_GENERAL, error->message); g_error_free (error); ev_print_operation_export_clear_temp_file (export); g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_ERROR); ev_print_operation_export_run_next (export); } } static void export_print_page_idle_finished (EvPrintOperationExport *export) { export->idle_id = 0; } static void export_job_finished (EvJobExport *job, EvPrintOperationExport *export) { EvPrintOperation *op = EV_PRINT_OPERATION (export); if (export->pages_per_sheet == 1 || ( export->page_count % export->pages_per_sheet == 0 && ( export->page_set == GTK_PAGE_SET_ALL || ( export->page_set == GTK_PAGE_SET_EVEN && export->sheet % 2 == 0 ) || ( export->page_set == GTK_PAGE_SET_ODD && export->sheet % 2 == 1 ) ) ) ) { ev_document_doc_mutex_lock (); ev_file_exporter_end_page (EV_FILE_EXPORTER (op->document)); ev_document_doc_mutex_unlock (); } /* Reschedule */ export->idle_id = g_idle_add_full (G_PRIORITY_DEFAULT_IDLE, (GSourceFunc)export_print_page, export, (GDestroyNotify)export_print_page_idle_finished); } static void export_job_cancelled (EvJobExport *job, EvPrintOperationExport *export) { export_cancel (export); } static void export_cancel (EvPrintOperationExport *export) { EvPrintOperation *op = EV_PRINT_OPERATION (export); if (export->idle_id > 0) g_source_remove (export->idle_id); export->idle_id = 0; if (export->job_export) { g_signal_handlers_disconnect_by_func (export->job_export, export_job_finished, export); g_signal_handlers_disconnect_by_func (export->job_export, export_job_cancelled, export); g_object_unref (export->job_export); export->job_export = NULL; } if (export->fd != -1) { close (export->fd); export->fd = -1; } ev_print_operation_export_clear_temp_file (export); g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_CANCEL); ev_print_operation_export_run_next (export); } static void update_progress (EvPrintOperationExport *export) { EvPrintOperation *op = EV_PRINT_OPERATION (export); ev_print_operation_update_status (op, export->total, export->n_pages_to_print, export->total / (gdouble)export->n_pages_to_print); } static gboolean export_print_page (EvPrintOperationExport *export) { EvPrintOperation *op = EV_PRINT_OPERATION (export); if (!export->temp_file) return FALSE; /* cancelled */ export->total++; export->collated++; /* note: when collating, page_count is increased in export_print_inc_page */ if (!export->collate) { export->page_count++; export->sheet = 1 + (export->page_count - 1) / export->pages_per_sheet; } if (export->collated == export->collated_copies) { export->collated = 0; if (!export_print_inc_page (export)) { ev_document_doc_mutex_lock (); ev_file_exporter_end (EV_FILE_EXPORTER (op->document)); ev_document_doc_mutex_unlock (); close (export->fd); export->fd = -1; update_progress (export); export_print_done (export); return FALSE; } } /* we're not collating and we've reached a sheet from the wrong sheet set */ if (!export->collate && ((export->page_set == GTK_PAGE_SET_EVEN && export->sheet % 2 != 0) || (export->page_set == GTK_PAGE_SET_ODD && export->sheet % 2 != 1))) { do { export->page_count++; export->collated++; export->sheet = 1 + (export->page_count - 1) / export->pages_per_sheet; if (export->collated == export->collated_copies) { export->collated = 0; if (!export_print_inc_page (export)) { ev_document_doc_mutex_lock (); ev_file_exporter_end (EV_FILE_EXPORTER (op->document)); ev_document_doc_mutex_unlock (); close (export->fd); export->fd = -1; update_progress (export); export_print_done (export); return FALSE; } } } while ((export->page_set == GTK_PAGE_SET_EVEN && export->sheet % 2 != 0) || (export->page_set == GTK_PAGE_SET_ODD && export->sheet % 2 != 1)); } if (export->pages_per_sheet == 1 || (export->page_count % export->pages_per_sheet == 1 && (export->page_set == GTK_PAGE_SET_ALL || (export->page_set == GTK_PAGE_SET_EVEN && export->sheet % 2 == 0) || (export->page_set == GTK_PAGE_SET_ODD && export->sheet % 2 == 1)))) { ev_document_doc_mutex_lock (); ev_file_exporter_begin_page (EV_FILE_EXPORTER (op->document)); ev_document_doc_mutex_unlock (); } if (!export->job_export) { export->job_export = ev_job_export_new (op->document); g_signal_connect (export->job_export, "finished", G_CALLBACK (export_job_finished), (gpointer)export); g_signal_connect (export->job_export, "cancelled", G_CALLBACK (export_job_cancelled), (gpointer)export); } ev_job_export_set_page (EV_JOB_EXPORT (export->job_export), export->page); ev_job_scheduler_push_job (export->job_export, EV_JOB_PRIORITY_NONE); update_progress (export); return FALSE; } static void ev_print_operation_export_begin (EvPrintOperationExport *export) { EvPrintOperation *op = EV_PRINT_OPERATION (export); if (!export->temp_file) return; /* cancelled */ ev_document_doc_mutex_lock (); ev_file_exporter_begin (EV_FILE_EXPORTER (op->document), &export->fc); ev_document_doc_mutex_unlock (); export->idle_id = g_idle_add_full (G_PRIORITY_DEFAULT_IDLE, (GSourceFunc)export_print_page, export, (GDestroyNotify)export_print_page_idle_finished); } static void ev_print_operation_export_print_dialog_response_cb (GtkDialog *dialog, gint response, EvPrintOperationExport *export) { GtkPrintPages print_pages; GtkPrintSettings *print_settings; GtkPageSetup *page_setup; GtkPrinter *printer; gdouble scale; gdouble width; gdouble height; gint first_page; gint last_page; const gchar *file_format; gchar *filename; GError *error = NULL; EvPrintOperation *op = EV_PRINT_OPERATION (export); if (response != GTK_RESPONSE_OK && response != GTK_RESPONSE_APPLY) { gtk_widget_destroy (GTK_WIDGET (dialog)); g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_CANCEL); return; } export->print_preview = (response == GTK_RESPONSE_APPLY); printer = gtk_print_unix_dialog_get_selected_printer (GTK_PRINT_UNIX_DIALOG (dialog)); ev_print_operation_export_set_printer (export, printer); print_settings = gtk_print_unix_dialog_get_settings (GTK_PRINT_UNIX_DIALOG (dialog)); ev_print_operation_export_set_print_settings (op, print_settings); page_setup = gtk_print_unix_dialog_get_page_setup (GTK_PRINT_UNIX_DIALOG (dialog)); ev_print_operation_export_set_default_page_setup (op, page_setup); if (!gtk_printer_accepts_ps (export->printer)) { gtk_widget_destroy (GTK_WIDGET (dialog)); g_set_error_literal (&export->error, GTK_PRINT_ERROR, GTK_PRINT_ERROR_GENERAL, _("Printing is not supported on this printer.")); g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_ERROR); return; } file_format = gtk_print_settings_get (print_settings, GTK_PRINT_SETTINGS_OUTPUT_FILE_FORMAT); filename = g_strdup_printf ("atril_print.%s.XXXXXX", file_format != NULL ? file_format : ""); export->fd = g_file_open_tmp (filename, &export->temp_file, &error); g_free (filename); if (export->fd <= -1) { gtk_widget_destroy (GTK_WIDGET (dialog)); g_set_error_literal (&export->error, GTK_PRINT_ERROR, GTK_PRINT_ERROR_GENERAL, error->message); g_error_free (error); g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_ERROR); return; } export->current_page = gtk_print_unix_dialog_get_current_page (GTK_PRINT_UNIX_DIALOG (dialog)); export->page_set = gtk_print_settings_get_page_set (print_settings); print_pages = gtk_print_settings_get_print_pages (print_settings); switch (print_pages) { case GTK_PRINT_PAGES_CURRENT: export->ranges = &export->one_range; export->ranges[0].start = export->current_page; export->ranges[0].end = export->current_page; export->n_ranges = 1; break; case GTK_PRINT_PAGES_RANGES: { gint i; export->ranges = gtk_print_settings_get_page_ranges (print_settings, &export->n_ranges); for (i = 0; i < export->n_ranges; i++) if (export->ranges[i].end == -1 || export->ranges[i].end >= export->n_pages) export->ranges[i].end = export->n_pages - 1; } break; default: g_warning ("Unsupported print pages setting\n"); case GTK_PRINT_PAGES_ALL: export->ranges = &export->one_range; export->ranges[0].start = 0; export->ranges[0].end = export->n_pages - 1; export->n_ranges = 1; break; } if (export->n_ranges < 1 || !clamp_ranges (export)) { GtkWidget *message_dialog; message_dialog = gtk_message_dialog_new (GTK_WINDOW (dialog), GTK_DIALOG_MODAL, GTK_MESSAGE_WARNING, GTK_BUTTONS_CLOSE, "%s", _("Invalid page selection")); gtk_window_set_title (GTK_WINDOW (message_dialog), _("Warning")); gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (message_dialog), "%s", _("Your print range selection does not include any pages")); g_signal_connect (message_dialog, "response", G_CALLBACK (gtk_widget_destroy), NULL); gtk_widget_show (message_dialog); return; } else ev_print_operation_update_status (op, -1, -1, 0.0); width = gtk_page_setup_get_paper_width (page_setup, GTK_UNIT_POINTS); height = gtk_page_setup_get_paper_height (page_setup, GTK_UNIT_POINTS); scale = gtk_print_settings_get_scale (print_settings) * 0.01; if (scale != 1.0) { width *= scale; height *= scale; } export->pages_per_sheet = MAX (1, gtk_print_settings_get_number_up (print_settings)); export->copies = gtk_print_settings_get_n_copies (print_settings); export->collate = gtk_print_settings_get_collate (print_settings); export->reverse = gtk_print_settings_get_reverse (print_settings); if (export->collate) { export->uncollated_copies = export->copies; export->collated_copies = 1; } else { export->uncollated_copies = 1; export->collated_copies = export->copies; } if (export->reverse) { export->range = export->n_ranges - 1; export->inc = -1; } else { export->range = 0; export->inc = 1; } find_range (export); export->page = export->start - export->inc; export->collated = export->collated_copies - 1; get_first_and_last_page (export, &first_page, &last_page); export->fc.format = file_format && g_ascii_strcasecmp (file_format, "pdf") == 0 ? EV_FILE_FORMAT_PDF : EV_FILE_FORMAT_PS; export->fc.filename = export->temp_file; export->fc.first_page = MIN (first_page, last_page); export->fc.last_page = MAX (first_page, last_page); export->fc.paper_width = width; export->fc.paper_height = height; export->fc.duplex = FALSE; export->fc.pages_per_sheet = export->pages_per_sheet; if (ev_print_queue_is_empty (op->document)) ev_print_operation_export_begin (export); ev_print_queue_push (op); g_signal_emit (op, signals[BEGIN_PRINT], 0); gtk_widget_destroy (GTK_WIDGET (dialog)); } static void ev_print_operation_export_run (EvPrintOperation *op, GtkWindow *parent) { EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op); GtkWidget *dialog; GtkPrintCapabilities capabilities; ev_print_queue_init (); export->parent_window = parent; export->error = NULL; dialog = gtk_print_unix_dialog_new (_("Print"), parent); gtk_window_set_modal (GTK_WINDOW (dialog), TRUE); capabilities = GTK_PRINT_CAPABILITY_PREVIEW | ev_file_exporter_get_capabilities (EV_FILE_EXPORTER (op->document)); gtk_print_unix_dialog_set_manual_capabilities (GTK_PRINT_UNIX_DIALOG (dialog), capabilities); gtk_print_unix_dialog_set_embed_page_setup (GTK_PRINT_UNIX_DIALOG (dialog), export->embed_page_setup); gtk_print_unix_dialog_set_current_page (GTK_PRINT_UNIX_DIALOG (dialog), export->current_page); gtk_print_unix_dialog_set_settings (GTK_PRINT_UNIX_DIALOG (dialog), export->print_settings); if (export->page_setup) gtk_print_unix_dialog_set_page_setup (GTK_PRINT_UNIX_DIALOG (dialog), export->page_setup); g_signal_connect (dialog, "response", G_CALLBACK (ev_print_operation_export_print_dialog_response_cb), export); gtk_window_present (GTK_WINDOW (dialog)); } static void ev_print_operation_export_cancel (EvPrintOperation *op) { EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op); if (export->job_export && !ev_job_is_finished (export->job_export)) { ev_job_cancel (export->job_export); } else { export_cancel (export); } } static void ev_print_operation_export_get_error (EvPrintOperation *op, GError **error) { EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op); g_propagate_error (error, export->error); export->error = NULL; } static void ev_print_operation_export_set_embed_page_setup (EvPrintOperation *op, gboolean embed) { EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op); export->embed_page_setup = embed; } static gboolean ev_print_operation_export_get_embed_page_setup (EvPrintOperation *op) { EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op); return export->embed_page_setup; } static void ev_print_operation_export_finalize (GObject *object) { EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (object); if (export->idle_id > 0) { g_source_remove (export->idle_id); export->idle_id = 0; } if (export->fd != -1) { close (export->fd); export->fd = -1; } if (export->ranges) { if (export->ranges != &export->one_range) g_free (export->ranges); export->ranges = NULL; export->n_ranges = 0; } if (export->temp_file) { g_free (export->temp_file); export->temp_file = NULL; } if (export->job_name) { g_free (export->job_name); export->job_name = NULL; } if (export->job_export) { if (!ev_job_is_finished (export->job_export)) ev_job_cancel (export->job_export); g_signal_handlers_disconnect_by_func (export->job_export, export_job_finished, export); g_signal_handlers_disconnect_by_func (export->job_export, export_job_cancelled, export); g_object_unref (export->job_export); export->job_export = NULL; } if (export->error) { g_error_free (export->error); export->error = NULL; } if (export->print_settings) { g_object_unref (export->print_settings); export->print_settings = NULL; } if (export->page_setup) { g_object_unref (export->page_setup); export->page_setup = NULL; } if (export->printer) { g_object_unref (export->printer); export->printer = NULL; } (* G_OBJECT_CLASS (ev_print_operation_export_parent_class)->finalize) (object); } static void ev_print_operation_export_init (EvPrintOperationExport *export) { /* sheets are counted from 1 to be physical */ export->sheet = 1; } static GObject * ev_print_operation_export_constructor (GType type, guint n_construct_properties, GObjectConstructParam *construct_params) { GObject *object; EvPrintOperationExport *export; EvPrintOperation *op; object = G_OBJECT_CLASS (ev_print_operation_export_parent_class)->constructor (type, n_construct_properties, construct_params); export = EV_PRINT_OPERATION_EXPORT (object); op = EV_PRINT_OPERATION (object); export->n_pages = ev_document_get_n_pages (op->document); return object; } static void ev_print_operation_export_class_init (EvPrintOperationExportClass *klass) { GObjectClass *g_object_class = G_OBJECT_CLASS (klass); EvPrintOperationClass *ev_print_op_class = EV_PRINT_OPERATION_CLASS (klass); ev_print_op_class->set_current_page = ev_print_operation_export_set_current_page; ev_print_op_class->set_print_settings = ev_print_operation_export_set_print_settings; ev_print_op_class->get_print_settings = ev_print_operation_export_get_print_settings; ev_print_op_class->set_default_page_setup = ev_print_operation_export_set_default_page_setup; ev_print_op_class->get_default_page_setup = ev_print_operation_export_get_default_page_setup; ev_print_op_class->set_job_name = ev_print_operation_export_set_job_name; ev_print_op_class->get_job_name = ev_print_operation_export_get_job_name; ev_print_op_class->run = ev_print_operation_export_run; ev_print_op_class->cancel = ev_print_operation_export_cancel; ev_print_op_class->get_error = ev_print_operation_export_get_error; ev_print_op_class->set_embed_page_setup = ev_print_operation_export_set_embed_page_setup; ev_print_op_class->get_embed_page_setup = ev_print_operation_export_get_embed_page_setup; g_object_class->constructor = ev_print_operation_export_constructor; g_object_class->finalize = ev_print_operation_export_finalize; } #endif /* GTKUNIXPRINT_ENABLED */ /* Print to cairo interface */ #define EV_TYPE_PRINT_OPERATION_PRINT (ev_print_operation_print_get_type()) #define EV_PRINT_OPERATION_PRINT(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_PRINT_OPERATION_PRINT, EvPrintOperationPrint)) #define EV_PRINT_OPERATION_PRINT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_PRINT_OPERATION_PRINT, EvPrintOperationPrintClass)) #define EV_IS_PRINT_OPERATION_PRINT(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_PRINT_OPERATION_PRINT)) typedef struct _EvPrintOperationPrint EvPrintOperationPrint; typedef struct _EvPrintOperationPrintClass EvPrintOperationPrintClass; static GType ev_print_operation_print_get_type (void) G_GNUC_CONST; typedef enum { EV_SCALE_NONE, EV_SCALE_SHRINK_TO_PRINTABLE_AREA, EV_SCALE_FIT_TO_PRINTABLE_AREA } EvPrintScale; #define EV_PRINT_SETTING_PAGE_SCALE "atril-print-setting-page-scale" #define EV_PRINT_SETTING_AUTOROTATE "atril-print-setting-page-autorotate" #define EV_PRINT_SETTING_PAGE_SIZE "atril-print-setting-page-size" struct _EvPrintOperationPrint { EvPrintOperation parent; GtkPrintOperation *op; gint n_pages_to_print; gint total; EvJob *job_print; gchar *job_name; /* Page handling tab */ GtkWidget *scale_combo; EvPrintScale page_scale; GtkWidget *autorotate_button; gboolean autorotate; GtkWidget *source_button; gboolean use_source_size; }; struct _EvPrintOperationPrintClass { EvPrintOperationClass parent_class; }; G_DEFINE_TYPE (EvPrintOperationPrint, ev_print_operation_print, EV_TYPE_PRINT_OPERATION) static void ev_print_operation_print_set_current_page (EvPrintOperation *op, gint current_page) { EvPrintOperationPrint *print = EV_PRINT_OPERATION_PRINT (op); gtk_print_operation_set_current_page (print->op, current_page); } static void ev_print_operation_print_set_print_settings (EvPrintOperation *op, GtkPrintSettings *print_settings) { EvPrintOperationPrint *print = EV_PRINT_OPERATION_PRINT (op); gtk_print_operation_set_print_settings (print->op, print_settings); } static GtkPrintSettings * ev_print_operation_print_get_print_settings (EvPrintOperation *op) { EvPrintOperationPrint *print = EV_PRINT_OPERATION_PRINT (op); return gtk_print_operation_get_print_settings (print->op); } static void ev_print_operation_print_set_default_page_setup (EvPrintOperation *op, GtkPageSetup *page_setup) { EvPrintOperationPrint *print = EV_PRINT_OPERATION_PRINT (op); gtk_print_operation_set_default_page_setup (print->op, page_setup); } static GtkPageSetup * ev_print_operation_print_get_default_page_setup (EvPrintOperation *op) { EvPrintOperationPrint *print = EV_PRINT_OPERATION_PRINT (op); return gtk_print_operation_get_default_page_setup (print->op); } static void ev_print_operation_print_set_job_name (EvPrintOperation *op, const gchar *job_name) { EvPrintOperationPrint *print = EV_PRINT_OPERATION_PRINT (op); g_free (print->job_name); print->job_name = g_strdup (job_name); gtk_print_operation_set_job_name (print->op, print->job_name); } static const gchar * ev_print_operation_print_get_job_name (EvPrintOperation *op) { EvPrintOperationPrint *print = EV_PRINT_OPERATION_PRINT (op); if (!print->job_name) { gchar *name; g_object_get (print->op, "job_name", &name, NULL); print->job_name = name; } return print->job_name; } static void ev_print_operation_print_run (EvPrintOperation *op, GtkWindow *parent) { EvPrintOperationPrint *print = EV_PRINT_OPERATION_PRINT (op); gtk_print_operation_run (print->op, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG, parent, NULL); } static void ev_print_operation_print_cancel (EvPrintOperation *op) { EvPrintOperationPrint *print = EV_PRINT_OPERATION_PRINT (op); gtk_print_operation_cancel (print->op); } static void ev_print_operation_print_get_error (EvPrintOperation *op, GError **error) { EvPrintOperationPrint *print = EV_PRINT_OPERATION_PRINT (op); gtk_print_operation_get_error (print->op, error); } static void ev_print_operation_print_set_embed_page_setup (EvPrintOperation *op, gboolean embed) { EvPrintOperationPrint *print = EV_PRINT_OPERATION_PRINT (op); gtk_print_operation_set_embed_page_setup (print->op, embed); } static gboolean ev_print_operation_print_get_embed_page_setup (EvPrintOperation *op) { EvPrintOperationPrint *print = EV_PRINT_OPERATION_PRINT (op); return gtk_print_operation_get_embed_page_setup (print->op); } static void ev_print_operation_print_begin_print (EvPrintOperationPrint *print, GtkPrintContext *context) { EvPrintOperation *op = EV_PRINT_OPERATION (print); gint n_pages; n_pages = ev_document_get_n_pages (op->document); gtk_print_operation_set_n_pages (print->op, n_pages); ev_print_operation_update_status (op, -1, n_pages, 0); g_signal_emit (op, signals[BEGIN_PRINT], 0); } static void ev_print_operation_print_done (EvPrintOperationPrint *print, GtkPrintOperationResult result) { EvPrintOperation *op = EV_PRINT_OPERATION (print); ev_print_operation_update_status (op, 0, print->n_pages_to_print, 1.0); g_signal_emit (op, signals[DONE], 0, result); } static void ev_print_operation_print_status_changed (EvPrintOperationPrint *print) { GtkPrintStatus status; status = gtk_print_operation_get_status (print->op); if (status == GTK_PRINT_STATUS_GENERATING_DATA) print->n_pages_to_print = gtk_print_operation_get_n_pages_to_print (print->op); } static void print_job_finished (EvJobPrint *job, EvPrintOperationPrint *print) { EvPrintOperation *op = EV_PRINT_OPERATION (print); gtk_print_operation_draw_page_finish (print->op); print->total++; ev_print_operation_update_status (op, print->total, print->n_pages_to_print, print->total / (gdouble)print->n_pages_to_print); ev_job_print_set_cairo (job, NULL); } static void print_job_cancelled (EvJobPrint *job, EvPrintOperationPrint *print) { gtk_print_operation_cancel (print->op); } static void ev_print_operation_print_request_page_setup (EvPrintOperationPrint *print, GtkPrintContext *context, gint page_nr, GtkPageSetup *setup) { EvPrintOperation *op = EV_PRINT_OPERATION (print); gdouble width, height; GtkPaperSize *paper_size; ev_document_get_page_size (op->document, page_nr, &width, &height); if (print->use_source_size) { paper_size = gtk_paper_size_new_custom ("custom", "custom", width, height, GTK_UNIT_POINTS); gtk_page_setup_set_paper_size_and_default_margins (setup, paper_size); gtk_paper_size_free (paper_size); } if (print->autorotate) { if (width > height) gtk_page_setup_set_orientation (setup, GTK_PAGE_ORIENTATION_LANDSCAPE); else gtk_page_setup_set_orientation (setup, GTK_PAGE_ORIENTATION_PORTRAIT); } } static void _print_context_get_hard_margins (GtkPrintContext *context, gdouble *top, gdouble *bottom, gdouble *left, gdouble *right) { if (!gtk_print_context_get_hard_margins (context, top, bottom, left, right)) { *top = 0; *bottom = 0; *left = 0; *right = 0; } } static void ev_print_operation_print_draw_page (EvPrintOperationPrint *print, GtkPrintContext *context, gint page) { EvPrintOperation *op = EV_PRINT_OPERATION (print); cairo_t *cr; gdouble cr_width, cr_height; gdouble width, height, scale; gdouble x_scale, y_scale; gdouble top, bottom, left, right; gtk_print_operation_set_defer_drawing (print->op); if (!print->job_print) { print->job_print = ev_job_print_new (op->document); g_signal_connect (G_OBJECT (print->job_print), "finished", G_CALLBACK (print_job_finished), (gpointer)print); g_signal_connect (G_OBJECT (print->job_print), "cancelled", G_CALLBACK (print_job_cancelled), (gpointer)print); } ev_job_print_set_page (EV_JOB_PRINT (print->job_print), page); cr = gtk_print_context_get_cairo_context (context); cr_width = gtk_print_context_get_width (context); cr_height = gtk_print_context_get_height (context); ev_document_get_page_size (op->document, page, &width, &height); if (print->page_scale == EV_SCALE_NONE) { /* Center document page on the printed page */ if (print->autorotate) cairo_translate (cr, (cr_width - width) / 2, (cr_height - height) / 2); } else { _print_context_get_hard_margins (context, &top, &bottom, &left, &right); x_scale = (cr_width - left - right) / width; y_scale = (cr_height - top - bottom) / height; if (x_scale < y_scale) scale = x_scale; else scale = y_scale; if (print->autorotate) { double left_right_sides, top_bottom_sides; cairo_translate (cr, (cr_width - scale * width) / 2, (cr_height - scale * height) / 2); /* Ensure document page is within the margins. The * scale guarantees the document will fit in the * margins so we just need to check each side and * if it overhangs the margin, translate it to the * margin. */ left_right_sides = (cr_width - width*scale)/2; top_bottom_sides = (cr_height - height*scale)/2; if (left_right_sides < left) cairo_translate (cr, left - left_right_sides, 0); if (left_right_sides < right) cairo_translate (cr, -(right - left_right_sides), 0); if (top_bottom_sides < top) cairo_translate (cr, 0, top - top_bottom_sides); if (top_bottom_sides < bottom) cairo_translate (cr, 0, -(bottom - top_bottom_sides)); } else { cairo_translate (cr, left, top); } if (print->page_scale == EV_SCALE_FIT_TO_PRINTABLE_AREA || scale < 1.0) { cairo_scale (cr, scale, scale); } } ev_job_print_set_cairo (EV_JOB_PRINT (print->job_print), cr); ev_job_scheduler_push_job (print->job_print, EV_JOB_PRIORITY_NONE); } static GObject * ev_print_operation_print_create_custom_widget (EvPrintOperationPrint *print, GtkPrintContext *context) { GtkPrintSettings *settings; GtkWidget *label; GtkWidget *table; EvPrintScale page_scale; gboolean autorotate; gboolean use_source_size; settings = gtk_print_operation_get_print_settings (print->op); page_scale = gtk_print_settings_get_int_with_default (settings, EV_PRINT_SETTING_PAGE_SCALE, 1); autorotate = gtk_print_settings_has_key (settings, EV_PRINT_SETTING_AUTOROTATE) ? gtk_print_settings_get_bool (settings, EV_PRINT_SETTING_AUTOROTATE) : TRUE; use_source_size = gtk_print_settings_get_bool (settings, EV_PRINT_SETTING_PAGE_SIZE); table = gtk_table_new (3, 2, FALSE); gtk_table_set_row_spacings (GTK_TABLE (table), 6); gtk_table_set_col_spacings (GTK_TABLE (table), 12); gtk_container_set_border_width (GTK_CONTAINER (table), 12); label = gtk_label_new (_("Page Scaling:")); gtk_table_attach (GTK_TABLE (table), label, 0, 1, 0, 1, GTK_FILL, 0, 0, 0); gtk_widget_show (label); print->scale_combo = gtk_combo_box_text_new (); gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (print->scale_combo), _("None")); gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (print->scale_combo), _("Shrink to Printable Area")); gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (print->scale_combo), _("Fit to Printable Area")); gtk_combo_box_set_active (GTK_COMBO_BOX (print->scale_combo), page_scale); gtk_widget_set_tooltip_text (print->scale_combo, _("Scale document pages to fit the selected printer page. Select from one of the following:\n" "\n" "• \"None\": No page scaling is performed.\n" "\n" "• \"Shrink to Printable Area\": Document pages larger than the printable area" " are reduced to fit the printable area of the printer page.\n" "\n" "• \"Fit to Printable Area\": Document pages are enlarged or reduced as" " required to fit the printable area of the printer page.\n")); gtk_table_attach (GTK_TABLE (table), print->scale_combo, 1, 2, 0, 1, GTK_FILL, 0, 0, 0); gtk_widget_show (print->scale_combo); print->autorotate_button = gtk_check_button_new_with_label (_("Auto Rotate and Center")); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (print->autorotate_button), autorotate); gtk_widget_set_tooltip_text (print->autorotate_button, _("Rotate printer page orientation of each page to match orientation of each document page. " "Document pages will be centered within the printer page.")); gtk_table_attach (GTK_TABLE (table), print->autorotate_button, 0, 2, 1, 2, GTK_FILL, 0, 0, 0); gtk_widget_show (print->autorotate_button); print->source_button = gtk_check_button_new_with_label (_("Select page size using document page size")); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (print->source_button), use_source_size); gtk_widget_set_tooltip_text (print->source_button, _("When enabled, each page will be printed on " "the same size paper as the document page.")); gtk_table_attach (GTK_TABLE (table), print->source_button, 0, 2, 2, 3, GTK_FILL, 0, 0, 0); gtk_widget_show (print->source_button); return G_OBJECT (table); } static void ev_print_operation_print_custom_widget_apply (EvPrintOperationPrint *print, GtkPrintContext *context) { GtkPrintSettings *settings; print->page_scale = gtk_combo_box_get_active (GTK_COMBO_BOX (print->scale_combo)); print->autorotate = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (print->autorotate_button)); print->use_source_size = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (print->source_button)); settings = gtk_print_operation_get_print_settings (print->op); gtk_print_settings_set_int (settings, EV_PRINT_SETTING_PAGE_SCALE, print->page_scale); gtk_print_settings_set_bool (settings, EV_PRINT_SETTING_AUTOROTATE, print->autorotate); gtk_print_settings_set_bool (settings, EV_PRINT_SETTING_PAGE_SIZE, print->use_source_size); } static void ev_print_operation_print_finalize (GObject *object) { EvPrintOperationPrint *print = EV_PRINT_OPERATION_PRINT (object); if (print->op) { g_object_unref (print->op); print->op = NULL; } if (print->job_name) { g_free (print->job_name); print->job_name = NULL; } if (print->job_print) { if (!ev_job_is_finished (print->job_print)) ev_job_cancel (print->job_print); g_signal_handlers_disconnect_by_func (print->job_print, print_job_finished, print); g_signal_handlers_disconnect_by_func (print->job_print, print_job_cancelled, print); g_object_unref (print->job_print); print->job_print = NULL; } (* G_OBJECT_CLASS (ev_print_operation_print_parent_class)->finalize) (object); } static void ev_print_operation_print_init (EvPrintOperationPrint *print) { print->op = gtk_print_operation_new (); g_signal_connect_swapped (print->op, "begin_print", G_CALLBACK (ev_print_operation_print_begin_print), print); g_signal_connect_swapped (print->op, "done", G_CALLBACK (ev_print_operation_print_done), print); g_signal_connect_swapped (print->op, "draw_page", G_CALLBACK (ev_print_operation_print_draw_page), print); g_signal_connect_swapped (print->op, "status_changed", G_CALLBACK (ev_print_operation_print_status_changed), print); g_signal_connect_swapped (print->op, "request_page_setup", G_CALLBACK (ev_print_operation_print_request_page_setup), print); g_signal_connect_swapped (print->op, "create_custom_widget", G_CALLBACK (ev_print_operation_print_create_custom_widget), print); g_signal_connect_swapped (print->op, "custom_widget_apply", G_CALLBACK (ev_print_operation_print_custom_widget_apply), print); gtk_print_operation_set_allow_async (print->op, TRUE); gtk_print_operation_set_use_full_page (print->op, TRUE); gtk_print_operation_set_unit (print->op, GTK_UNIT_POINTS); gtk_print_operation_set_custom_tab_label (print->op, _("Page Handling")); } static void ev_print_operation_print_class_init (EvPrintOperationPrintClass *klass) { GObjectClass *g_object_class = G_OBJECT_CLASS (klass); EvPrintOperationClass *ev_print_op_class = EV_PRINT_OPERATION_CLASS (klass); ev_print_op_class->set_current_page = ev_print_operation_print_set_current_page; ev_print_op_class->set_print_settings = ev_print_operation_print_set_print_settings; ev_print_op_class->get_print_settings = ev_print_operation_print_get_print_settings; ev_print_op_class->set_default_page_setup = ev_print_operation_print_set_default_page_setup; ev_print_op_class->get_default_page_setup = ev_print_operation_print_get_default_page_setup; ev_print_op_class->set_job_name = ev_print_operation_print_set_job_name; ev_print_op_class->get_job_name = ev_print_operation_print_get_job_name; ev_print_op_class->run = ev_print_operation_print_run; ev_print_op_class->cancel = ev_print_operation_print_cancel; ev_print_op_class->get_error = ev_print_operation_print_get_error; ev_print_op_class->set_embed_page_setup = ev_print_operation_print_set_embed_page_setup; ev_print_op_class->get_embed_page_setup = ev_print_operation_print_get_embed_page_setup; g_object_class->finalize = ev_print_operation_print_finalize; } gboolean ev_print_operation_exists_for_document (EvDocument *document) { #if GTKUNIXPRINT_ENABLED return (EV_IS_FILE_EXPORTER(document) || EV_IS_DOCUMENT_PRINT(document)); #else return EV_IS_DOCUMENT_PRINT(document); #endif /* GTKUNIXPRINT_ENABLED */ } /* Factory method */ EvPrintOperation * ev_print_operation_new (EvDocument *document) { EvPrintOperation *op = NULL; g_return_val_if_fail (ev_print_operation_exists_for_document (document), NULL); if (EV_IS_DOCUMENT_PRINT (document)) op = EV_PRINT_OPERATION (g_object_new (EV_TYPE_PRINT_OPERATION_PRINT, "document", document, NULL)); else #if GTKUNIXPRINT_ENABLED op = EV_PRINT_OPERATION (g_object_new (EV_TYPE_PRINT_OPERATION_EXPORT, "document", document, NULL)); #else op = NULL; #endif return op; }