diff options
Diffstat (limited to 'libview/ev-print-operation.c')
| -rw-r--r-- | libview/ev-print-operation.c | 2028 |
1 files changed, 2028 insertions, 0 deletions
diff --git a/libview/ev-print-operation.c b/libview/ev-print-operation.c new file mode 100644 index 00000000..d913c7be --- /dev/null +++ b/libview/ev-print-operation.c @@ -0,0 +1,2028 @@ +/* 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; +} |