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-rw-r--r--libview/ev-print-operation.c2028
1 files changed, 2028 insertions, 0 deletions
diff --git a/libview/ev-print-operation.c b/libview/ev-print-operation.c
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+++ b/libview/ev-print-operation.c
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+/* this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2008 Carlos Garcia Campos <[email protected]>
+ *
+ * Evince 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.
+ *
+ * Evince 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) {
+ gint argc;
+ gchar **argv;
+ 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 ("evince-previewer --unlink-tempfile --print-settings %s %s",
+ quoted_settings_filename, quoted_filename);
+
+ g_shell_parse_argv (cmd, &argc, &argv, &error);
+
+ g_free (quoted_filename);
+ g_free (quoted_settings_filename);
+ g_free (cmd);
+
+ if (!error) {
+ gdk_spawn_on_screen (gtk_window_get_screen (export->parent_window),
+ NULL, argv, NULL,
+ G_SPAWN_SEARCH_PATH,
+ NULL, NULL, NULL,
+ &error);
+ }
+
+ g_strfreev (argv);
+ }
+
+ 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 ("evince_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 "evince-print-setting-page-scale"
+#define EV_PRINT_SETTING_AUTOROTATE "evince-print-setting-page-autorotate"
+#define EV_PRINT_SETTING_PAGE_SIZE "evince-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_new_text ();
+ gtk_combo_box_append_text (GTK_COMBO_BOX (print->scale_combo), _("None"));
+ gtk_combo_box_append_text (GTK_COMBO_BOX (print->scale_combo), _("Shrink to Printable Area"));
+ gtk_combo_box_append_text (GTK_COMBO_BOX (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;
+}