From 5c07c67fba670090d1110c80745881f92c3f12a9 Mon Sep 17 00:00:00 2001 From: Carlos Garcia Campos Date: Sat, 27 Dec 2008 18:37:45 +0000 Subject: Show progress information when printing. Fixes bug #482770. 2008-12-27 Carlos Garcia Campos * shell/ev-print-operation.[ch]: (ev_print_operation_class_init), (ev_print_operation_get_job_name), (ev_print_operation_get_status), (ev_print_operation_get_progress), (ev_print_operation_update_status), (ev_print_operation_export_get_job_name), (clamp_ranges), (get_first_and_last_page), (ev_print_operation_export_run_next), (print_job_finished), (export_print_done), (export_job_cancelled), (update_progress), (export_print_page), (ev_print_operation_export_begin), (ev_print_operation_export_print_dialog_response_cb), (ev_print_operation_export_run), (ev_print_operation_export_cancel), (ev_print_operation_export_class_init): * shell/ev-window.c: (ev_window_print_update_pending_jobs_message), (ev_window_print_operation_done), (ev_window_print_progress_response_cb), (ev_window_print_operation_status_changed), (ev_window_print_operation_begin_print), (ev_window_print_range), (ev_window_dispose): Show progress information when printing. Fixes bug #482770. svn path=/trunk/; revision=3309 --- (limited to 'shell/ev-print-operation.c') diff --git a/shell/ev-print-operation.c b/shell/ev-print-operation.c index c71ff42..af9cb67 100644 --- a/shell/ev-print-operation.c +++ b/shell/ev-print-operation.c @@ -45,6 +45,8 @@ enum { enum { DONE, + BEGIN_PRINT, + STATUS_CHANGED, LAST_SIGNAL }; @@ -54,6 +56,10 @@ struct _EvPrintOperation { GObject parent; EvDocument *document; + + /* Progress */ + gchar *status; + gdouble progress; }; struct _EvPrintOperationClass { @@ -69,6 +75,7 @@ struct _EvPrintOperationClass { 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); @@ -78,6 +85,9 @@ struct _EvPrintOperationClass { /* 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) @@ -92,6 +102,11 @@ ev_print_operation_finalize (GObject *object) op->document = NULL; } + if (op->status) { + g_free (op->status); + op->status = NULL; + } + (* G_OBJECT_CLASS (ev_print_operation_parent_class)->finalize) (object); } @@ -142,7 +157,22 @@ ev_print_operation_class_init (EvPrintOperationClass *klass) 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 */ @@ -214,6 +244,16 @@ ev_print_operation_set_job_name (EvPrintOperation *op, 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) @@ -246,6 +286,48 @@ ev_print_operation_get_error (EvPrintOperation *op, class->get_error (op, error); } +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); +} + /* 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)) @@ -257,6 +339,7 @@ typedef struct _EvPrintOperationExportClass EvPrintOperationExportClass; 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); struct _EvPrintOperationExport { @@ -284,6 +367,8 @@ struct _EvPrintOperationExport { guint idle_id; /* Context */ + EvFileExporterContext fc; + gint n_pages_to_print; gint uncollated_copies; gint collated_copies; gint uncollated, collated, total; @@ -301,6 +386,91 @@ struct _EvPrintOperationExportClass { 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) @@ -368,6 +538,14 @@ ev_print_operation_export_set_job_name (EvPrintOperation *op, 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) @@ -401,9 +579,12 @@ static void clamp_ranges (EvPrintOperationExport *export) { gint num_of_correct_ranges = 0; + gint n_pages_to_print = 0; gint i; 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) && @@ -423,44 +604,51 @@ clamp_ranges (EvPrintOperationExport *export) 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) { + 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) { + n_pages_to_print += export->ranges[i].start % 2 == 0 ? + (n_pages / 2) + 1 : n_pages / 2; + } } export->n_ranges = num_of_correct_ranges; + export->n_pages_to_print = n_pages_to_print; } -static gint -get_first_page (EvPrintOperationExport *export) +static void +get_first_and_last_page (EvPrintOperationExport *export, + gint *first, + gint *last) { gint i; gint first_page = G_MAXINT; - - if (export->n_ranges == 0) - return 0; - - for (i = 0; i < export->n_ranges; i++) { - if (export->ranges[i].start < first_page) - first_page = export->ranges[i].start; - } - - return MAX (0, first_page); -} - -static gint -get_last_page (EvPrintOperationExport *export) -{ - gint i; gint last_page = G_MININT; gint max_page = export->n_pages - 1; - if (export->n_ranges == 0) - return max_page; + 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; } - return MIN (max_page, last_page); + *first = MAX (0, first_page); + *last = MIN (max_page, last_page); } static gboolean @@ -498,12 +686,28 @@ ev_print_operation_export_clear_temp_file (EvPrintOperationExport *export) } 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 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, @@ -516,6 +720,8 @@ print_job_finished (GtkPrintJob *print_job, ev_print_operation_export_clear_temp_file (export); g_object_unref (print_job); + + ev_print_operation_export_run_next (export); } static void @@ -525,6 +731,8 @@ export_print_done (EvPrintOperationExport *export) GtkPrintSettings *settings; EvFileExporterCapabilities capabilities; + 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, @@ -573,6 +781,8 @@ export_print_done (EvPrintOperationExport *export) 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; GError *error = NULL; @@ -590,6 +800,8 @@ export_print_done (EvPrintOperationExport *export) 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); } else { gtk_print_job_send (job, (GtkPrintJobCompleteFunc)print_job_finished, @@ -652,12 +864,27 @@ export_job_cancelled (EvJobExport *job, 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++; @@ -675,8 +902,10 @@ export_print_page (EvPrintOperationExport *export) close (export->fd); export->fd = -1; - export_print_done (export); + update_progress (export); + export_print_done (export); + return FALSE; } } @@ -699,37 +928,56 @@ export_print_page (EvPrintOperationExport *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 gboolean +static void +ev_print_operation_export_begin (EvPrintOperationExport *export) +{ + EvPrintOperation *op = EV_PRINT_OPERATION (export); + + 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; - EvFileExporterContext fc; - GError *error = NULL; - EvPrintOperation *op = EV_PRINT_OPERATION (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 FALSE; + return; } + ev_print_operation_update_status (op, -1, -1, 0.0); + export->print_preview = (response == GTK_RESPONSE_APPLY); printer = gtk_print_unix_dialog_get_selected_printer (GTK_PRINT_UNIX_DIALOG (dialog)); @@ -742,14 +990,15 @@ ev_print_operation_export_print_dialog_response_cb (GtkDialog *dial 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 (&export->error, GTK_PRINT_ERROR, GTK_PRINT_ERROR_GENERAL, "%s", _("Printing is not supported on this printer.")); g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_ERROR); - gtk_widget_destroy (GTK_WIDGET (dialog)); - return FALSE; + return; } file_format = gtk_print_settings_get (print_settings, GTK_PRINT_SETTINGS_OUTPUT_FILE_FORMAT); @@ -758,18 +1007,20 @@ ev_print_operation_export_print_dialog_response_cb (GtkDialog *dial 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); - gtk_widget_destroy (GTK_WIDGET (dialog)); - return FALSE; + 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) { @@ -801,8 +1052,6 @@ ev_print_operation_export_print_dialog_response_cb (GtkDialog *dial } clamp_ranges (export); - export->page_set = gtk_print_settings_get_page_set (print_settings); - 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; @@ -837,31 +1086,26 @@ ev_print_operation_export_print_dialog_response_cb (GtkDialog *dial export->page = export->start - export->inc; export->collated = export->collated_copies - 1; - first_page = get_first_page (export); - last_page = get_last_page (export); + get_first_and_last_page (export, &first_page, &last_page); - fc.format = g_ascii_strcasecmp (file_format, "pdf") == 0 ? + export->fc.format = g_ascii_strcasecmp (file_format, "pdf") == 0 ? EV_FILE_FORMAT_PDF : EV_FILE_FORMAT_PS; - fc.filename = export->temp_file; - fc.first_page = MIN (first_page, last_page); - fc.last_page = MAX (first_page, last_page); - fc.paper_width = width; - fc.paper_height = height; - fc.duplex = FALSE; - fc.pages_per_sheet = MAX (1, export->pages_per_sheet); + 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 = MAX (1, export->pages_per_sheet); - ev_document_doc_mutex_lock (); - ev_file_exporter_begin (EV_FILE_EXPORTER (op->document), &fc); - ev_document_doc_mutex_unlock (); + if (ev_print_queue_is_empty (op->document)) + ev_print_operation_export_begin (export); - export->idle_id = g_idle_add_full (G_PRIORITY_DEFAULT_IDLE, - (GSourceFunc)export_print_page, - export, - (GDestroyNotify)export_print_page_idle_finished); + ev_print_queue_push (op); + + g_signal_emit (op, signals[BEGIN_PRINT], 0); gtk_widget_destroy (GTK_WIDGET (dialog)); - - return TRUE; } static void @@ -872,6 +1116,8 @@ ev_print_operation_export_run (EvPrintOperation *op, GtkWidget *dialog; GtkPrintCapabilities capabilities; + ev_print_queue_init (); + export->parent_window = parent; export->error = NULL; @@ -906,7 +1152,12 @@ ev_print_operation_export_cancel (EvPrintOperation *op) EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op); if (export->job_export) { - ev_job_cancel (export->job_export); + if (!ev_job_is_finished (export->job_export)) { + ev_job_cancel (export->job_export); + } else { + export_job_cancelled (EV_JOB_EXPORT (export->job_export), + export); + } } } @@ -1024,6 +1275,7 @@ ev_print_operation_export_class_init (EvPrintOperationExportClass *klass) 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; -- cgit v0.9.1