]> www.fi.muni.cz Git - evince.git/blobdiff - shell/ev-print-operation.c
[printing] Make use of gtk+-unix-print optional
[evince.git] / shell / ev-print-operation.c
index 74962bfbcb09f8636d540f6c04deec83ea7597bb..9c21a1d93c5dfbed0e8b0f664891eef13831b4fd 100644 (file)
 
 #include "ev-print-operation.h"
 
-#if GTK_CHECK_VERSION (2, 14, 0)
+#if GTKUNIXPRINT_ENABLED
 #include <gtk/gtkunixprint.h>
-#else
-#include <gtk/gtkprintunixdialog.h>
 #endif
-
 #include <glib/gi18n.h>
 #include <glib/gstdio.h>
 #include <unistd.h>
@@ -37,6 +34,7 @@
 #include "ev-job-scheduler.h"
 #include "ev-application.h"
 #include "ev-file-helpers.h"
+#include "ev-document-print.h"
 
 enum {
        PROP_0,
@@ -87,7 +85,6 @@ struct _EvPrintOperationClass {
                                                      GtkPrintOperationResult result);
        void              (* begin_print)            (EvPrintOperation       *op);
        void              (* status_changed)         (EvPrintOperation       *op);
-                                                     
 };
 
 G_DEFINE_ABSTRACT_TYPE (EvPrintOperation, ev_print_operation, G_TYPE_OBJECT)
@@ -302,6 +299,7 @@ ev_print_operation_get_progress (EvPrintOperation *op)
        return op->progress;
 }
 
+#if GTK_CHECK_VERSION (2, 17, 1) | GTKUNIXPRINT_ENABLED
 static void
 ev_print_operation_update_status (EvPrintOperation *op,
                                  gint              page,
@@ -327,6 +325,9 @@ ev_print_operation_update_status (EvPrintOperation *op,
 
        g_signal_emit (op, signals[STATUS_CHANGED], 0);
 }
+#endif
+
+#if GTKUNIXPRINT_ENABLED
 
 /* Export interface */
 #define EV_TYPE_PRINT_OPERATION_EXPORT         (ev_print_operation_export_get_type())
@@ -337,7 +338,7 @@ ev_print_operation_update_status (EvPrintOperation *op,
 typedef struct _EvPrintOperationExport      EvPrintOperationExport;
 typedef struct _EvPrintOperationExportClass EvPrintOperationExportClass;
 
-GType           ev_print_operation_export_get_type (void) G_GNUC_CONST;
+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);
@@ -372,7 +373,7 @@ struct _EvPrintOperationExport {
        gint n_pages_to_print;
        gint uncollated_copies;
        gint collated_copies;
-       gint uncollated, collated, total;
+       gint uncollated, collated, total, blank;
 
        gint range, n_ranges;
        GtkPageRange *ranges;
@@ -681,8 +682,8 @@ export_print_inc_page (EvPrintOperationExport *export)
                        find_range (export);
                        export->page = export->start;
                }
-       } while ((export->page_set == GTK_PAGE_SET_EVEN && export->page % 2 == 0) ||
-                (export->page_set == GTK_PAGE_SET_ODD && export->page % 2 == 1));
+       } while ((export->page_set == GTK_PAGE_SET_EVEN && (export->page / export->pages_per_sheet) % 2 == 0) ||
+                (export->page_set == GTK_PAGE_SET_ODD && (export->page  / export->pages_per_sheet) % 2 == 1));
 
        return TRUE;
 }
@@ -715,9 +716,9 @@ ev_print_operation_export_run_next (EvPrintOperationExport *export)
 }
 
 static void
-print_job_finished (GtkPrintJob            *print_job,
-                   EvPrintOperationExport *export,
-                   GError                 *error)
+gtk_print_job_finished (GtkPrintJob            *print_job,
+                       EvPrintOperationExport *export,
+                       GError                 *error)
 {
        EvPrintOperation *op = EV_PRINT_OPERATION (export);
 
@@ -848,7 +849,7 @@ export_print_done (EvPrintOperationExport *export)
                gtk_print_job_set_source_file (job, export->temp_file, &error);
                if (!error){
                        gtk_print_job_send (job,
-                                           (GtkPrintJobCompleteFunc)print_job_finished,
+                                           (GtkPrintJobCompleteFunc)gtk_print_job_finished,
                                            g_object_ref (export),
                                            (GDestroyNotify)g_object_unref);
                }
@@ -880,7 +881,7 @@ export_job_finished (EvJobExport            *job,
 {
        EvPrintOperation *op = EV_PRINT_OPERATION (export);
 
-       if (export->pages_per_sheet == 1 || export->total % export->pages_per_sheet == 0) {
+       if (export->pages_per_sheet == 1 || (export->total + export->blank) % export->pages_per_sheet == 0 ) {
                ev_document_doc_mutex_lock ();
                ev_file_exporter_end_page (EV_FILE_EXPORTER (op->document));
                ev_document_doc_mutex_unlock ();
@@ -953,28 +954,41 @@ export_print_page (EvPrintOperationExport *export)
        export->total++;
        export->collated++;
 
+       /* 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 therefore check whether we've reached the last page in a document
+          if that is the case and the given sheet is not filled with pages,
+          we introduce a few blank pages to finish off the sheet
+          to make sure nothing goes wrong, the final condition ensures that
+          we're not at the end of a sheet, otherwise we'd introduce a blank sheet! */
+
+       if (export->collate == 1 && export->total > 1 && export->pages_per_sheet > 1 &&
+           (export->page + 1) % export->n_pages == 0 && (export->total - 1 + export->blank) % export->pages_per_sheet != 0) {
+               ev_document_doc_mutex_lock ();
+               ev_file_exporter_end_page (EV_FILE_EXPORTER (op->document));
+               /* keep track of how many blank pages have been added */
+               export->blank += export->pages_per_sheet - (export->total - 1 + export->blank) % export->pages_per_sheet;
+               ev_document_doc_mutex_unlock ();
+       }
+
+
        if (export->collated == export->collated_copies) {
                export->collated = 0;
                if (!export_print_inc_page (export)) {
                        ev_document_doc_mutex_lock ();
-                       if (export->pages_per_sheet > 1 &&
-                           export->total - 1 % export->pages_per_sheet == 0)
-                               ev_file_exporter_end_page (EV_FILE_EXPORTER (op->document));
                        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;
                }
        }
 
-       if (export->pages_per_sheet == 1 || export->total % export->pages_per_sheet == 1) {
+       if (export->pages_per_sheet == 1 || (export->total + export->blank) % export->pages_per_sheet == 1) {
                ev_document_doc_mutex_lock ();
                ev_file_exporter_begin_page (EV_FILE_EXPORTER (op->document));
                ev_document_doc_mutex_unlock ();
@@ -1115,7 +1129,7 @@ ev_print_operation_export_print_dialog_response_cb (GtkDialog              *dial
                
                break;
        }
-       if (!clamp_ranges (export)) {
+       if (export->n_ranges < 1 || !clamp_ranges (export)) {
                GtkWidget *message_dialog;
 
                message_dialog = gtk_message_dialog_new (GTK_WINDOW (dialog),
@@ -1364,12 +1378,313 @@ ev_print_operation_export_class_init (EvPrintOperationExportClass *klass)
        g_object_class->finalize = ev_print_operation_export_finalize;
 }
 
+#endif /* GTKUNIXPRINT_ENABLED */
+
+#if GTK_CHECK_VERSION (2, 17, 1)
+/* 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;
+
+struct _EvPrintOperationPrint {
+       EvPrintOperation parent;
+
+       GtkPrintOperation *op;
+       EvJob             *job_print;
+       gchar             *job_name;
+};
+
+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_begin_print (EvPrintOperationPrint *print,
+                                     GtkPrintContext       *context)
+{
+       EvPrintOperation *op = EV_PRINT_OPERATION (print);
+       gint              n_pages;
+
+       n_pages = ev_page_cache_get_n_pages (ev_page_cache_get (op->document));
+       gtk_print_operation_set_n_pages (print->op, n_pages);
+
+       /* FIXME: gtk_print should provide the progress */
+       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);
+
+       /* FIXME: gtk_print should provide the progress */
+       ev_print_operation_update_status (op, 0, 1, 1.0);
+
+       g_signal_emit (op, signals[DONE], 0, result);
+}
+
+static void
+print_job_finished (EvJobPrint            *job,
+                   EvPrintOperationPrint *print)
+{
+       gtk_print_operation_draw_page_finish (print->op);
+       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_draw_page (EvPrintOperationPrint *print,
+                                   GtkPrintContext       *context,
+                                   gint                   page)
+{
+       EvPrintOperation *op = EV_PRINT_OPERATION (print);
+       cairo_t          *cr;
+       gdouble           cr_width, cr_height;
+       gint              width, height;
+
+       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_page_cache_get_size (ev_page_cache_get (op->document),
+                               page, 0, 1.0,
+                               &width, &height);
+       cairo_scale (cr, cr_width / (gdouble)width, cr_height / (gdouble)height);
+
+       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 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);
+       gtk_print_operation_set_allow_async (print->op, TRUE);
+}
+
+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;
+
+       g_object_class->finalize = ev_print_operation_print_finalize;
+}
+#endif /* GTK_CHECK_VERSION (2, 17, 1) */
+
+gboolean ev_print_operation_exists_for_document (EvDocument *document)
+{
+#if GTKUNIXPRINT_ENABLED
+#if GTK_CHECK_VERSION (2, 17, 1)
+       return (EV_IS_FILE_EXPORTER(document) || EV_IS_DOCUMENT_PRINT(document));
+#else
+       return EV_IS_FILE_EXPORTER(document);
+#endif
+#else /* ! GTKUNIXPRINT_ENABLED */
+#if GTK_CHECK_VERSION (2, 17, 1)
+       return EV_IS_DOCUMENT_PRINT(document);
+#else
+       return FALSE;
+#endif
+#endif /* GTKUNIXPRINT_ENABLED */
+}
+
 /* Factory method */
 EvPrintOperation *
 ev_print_operation_new (EvDocument *document)
 {
-       /* TODO: EvPrintOperationPrint */
+       EvPrintOperation *op = NULL;
 
-       return EV_PRINT_OPERATION (g_object_new (EV_TYPE_PRINT_OPERATION_EXPORT,
-                                                "document", document, NULL));
+       g_return_val_if_fail (ev_print_operation_exists_for_document (document), NULL);
+
+#if GTK_CHECK_VERSION (2, 17, 1)
+       if (EV_IS_DOCUMENT_PRINT (document))
+               op = EV_PRINT_OPERATION (g_object_new (EV_TYPE_PRINT_OPERATION_PRINT,
+                                                      "document", document, NULL));
+       else
+#endif
+#if GTKUNIXPRINT_ENABLED
+               op = EV_PRINT_OPERATION (g_object_new (EV_TYPE_PRINT_OPERATION_EXPORT,
+                                                      "document", document, NULL));
+#endif
+       return op;
 }