Show correct print preview
Modify print preview according to settings from print dialog. Similar approach as during real print is applied to the preview process (#592582).
This commit is contained in:
Marek Kasik
parent
567b23229f
commit
6b5912a213
@ -207,7 +207,7 @@ _gtk_print_operation_platform_backend_launch_preview (GtkPrintOperation *op,
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gchar *cmd;
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gchar *preview_cmd;
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GtkSettings *settings;
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GtkPrintSettings *print_settings;
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GtkPrintSettings *print_settings = NULL;
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GtkPageSetup *page_setup;
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GKeyFile *key_file = NULL;
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gchar *data = NULL;
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@ -235,8 +235,28 @@ _gtk_print_operation_platform_backend_launch_preview (GtkPrintOperation *op,
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key_file = g_key_file_new ();
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print_settings = gtk_print_operation_get_print_settings (op);
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print_settings = gtk_print_settings_copy (gtk_print_operation_get_print_settings (op));
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if (print_settings != NULL)
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{
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gtk_print_settings_set_reverse (print_settings, FALSE);
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gtk_print_settings_set_page_set (print_settings, GTK_PAGE_SET_ALL);
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gtk_print_settings_set_scale (print_settings, 1.0);
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gtk_print_settings_set_number_up (print_settings, 1);
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gtk_print_settings_set_number_up_layout (print_settings, GTK_NUMBER_UP_LAYOUT_LEFT_TO_RIGHT_TOP_TO_BOTTOM);
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/* These removals are neccessary because cups-* settings have higher priority
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* than normal settings.
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*/
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gtk_print_settings_unset (print_settings, "cups-reverse");
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gtk_print_settings_unset (print_settings, "cups-page-set");
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gtk_print_settings_unset (print_settings, "cups-scale");
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gtk_print_settings_unset (print_settings, "cups-number-up");
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gtk_print_settings_unset (print_settings, "cups-number-up-layout");
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gtk_print_settings_to_key_file (print_settings, key_file, NULL);
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g_object_unref (print_settings);
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}
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page_setup = gtk_print_context_get_page_setup (op->priv->print_context);
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gtk_page_setup_to_key_file (page_setup, key_file, NULL);
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@ -78,11 +78,15 @@ enum
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static guint signals[LAST_SIGNAL] = { 0 };
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static int job_nr = 0;
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typedef struct _PrintPagesData PrintPagesData;
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static void preview_iface_init (GtkPrintOperationPreviewIface *iface);
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static GtkPageSetup *create_page_setup (GtkPrintOperation *op);
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static void common_render_page (GtkPrintOperation *op,
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gint page_nr);
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static void increment_page_sequence (PrintPagesData *data);
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static void prepare_data (PrintPagesData *data);
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static void clamp_page_ranges (PrintPagesData *data);
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G_DEFINE_TYPE_WITH_CODE (GtkPrintOperation, gtk_print_operation, G_TYPE_OBJECT,
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@ -260,6 +264,8 @@ preview_start_page (GtkPrintOperation *op,
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GtkPrintContext *print_context,
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GtkPageSetup *page_setup)
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{
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if ((op->priv->manual_number_up < 2) ||
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(op->priv->page_position % op->priv->manual_number_up == 0))
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g_signal_emit_by_name (op, "got-page-size", print_context, page_setup);
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}
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@ -267,6 +273,14 @@ static void
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preview_end_page (GtkPrintOperation *op,
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GtkPrintContext *print_context)
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{
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cairo_t *cr;
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cr = gtk_print_context_get_cairo_context (print_context);
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if ((op->priv->manual_number_up < 2) ||
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((op->priv->page_position + 1) % op->priv->manual_number_up == 0) ||
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(op->priv->page_position == op->priv->nr_of_pages_to_print - 1))
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cairo_show_page (cr);
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}
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static void
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@ -411,6 +425,31 @@ gtk_print_operation_get_property (GObject *object,
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}
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}
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struct _PrintPagesData
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{
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GtkPrintOperation *op;
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gint uncollated_copies;
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gint collated_copies;
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gint uncollated, collated, total;
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gint range, num_ranges;
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GtkPageRange *ranges;
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GtkPageRange one_range;
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gint page;
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gint sheet;
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gint first_position, last_position;
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gint first_sheet;
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gint num_of_sheets;
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gint *pages;
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GtkWidget *progress;
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gboolean initialized;
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gboolean is_preview;
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gboolean done;
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};
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typedef struct
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{
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GtkPrintOperationPreview *preview;
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@ -418,8 +457,8 @@ typedef struct
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GtkWindow *parent;
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cairo_surface_t *surface;
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gchar *filename;
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guint page_nr;
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gboolean wait;
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PrintPagesData *pages_data;
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} PreviewOp;
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static void
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@ -441,6 +480,10 @@ preview_print_idle_done (gpointer data)
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gtk_print_operation_preview_end_preview (pop->preview);
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g_object_unref (pop->pages_data->op);
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g_free (pop->pages_data->pages);
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g_free (pop->pages_data);
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g_object_unref (op);
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g_free (pop);
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}
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@ -450,9 +493,8 @@ preview_print_idle (gpointer data)
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{
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PreviewOp *pop;
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GtkPrintOperation *op;
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gboolean retval = TRUE;
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cairo_t *cr;
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GtkPrintOperationPrivate *priv;
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gboolean done = FALSE;
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pop = (PreviewOp *) data;
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op = GTK_PRINT_OPERATION (pop->preview);
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@ -461,24 +503,23 @@ preview_print_idle (gpointer data)
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if (priv->page_drawing_state == GTK_PAGE_DRAWING_STATE_READY)
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{
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/* TODO: print out sheets not pages and follow ranges */
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if (pop->page_nr >= op->priv->nr_of_pages)
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retval = FALSE;
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if (pop->page_nr > 0)
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if (!pop->pages_data->initialized)
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{
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cr = gtk_print_context_get_cairo_context (pop->print_context);
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_gtk_print_operation_platform_backend_preview_end_page (op, pop->surface, cr);
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pop->pages_data->initialized = TRUE;
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prepare_data (pop->pages_data);
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}
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if (retval)
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else
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{
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gtk_print_operation_preview_render_page (pop->preview, pop->page_nr);
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pop->page_nr++;
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increment_page_sequence (pop->pages_data);
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if (!pop->pages_data->done)
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gtk_print_operation_preview_render_page (pop->preview, pop->pages_data->page);
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else
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done = priv->page_drawing_state == GTK_PAGE_DRAWING_STATE_READY;
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}
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}
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return retval;
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return !done;
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}
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static void
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@ -502,7 +543,6 @@ preview_ready (GtkPrintOperationPreview *preview,
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GtkPrintContext *context,
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PreviewOp *pop)
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{
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pop->page_nr = 0;
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pop->print_context = context;
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g_object_ref (preview);
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@ -529,6 +569,9 @@ gtk_print_operation_preview_handler (GtkPrintOperation *op,
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pop->filename = NULL;
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pop->preview = preview;
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pop->parent = parent;
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pop->pages_data = g_new0 (PrintPagesData, 1);
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pop->pages_data->op = g_object_ref (GTK_PRINT_OPERATION (preview));
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pop->pages_data->is_preview = TRUE;
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page_setup = gtk_print_context_get_page_setup (context);
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@ -2026,30 +2069,6 @@ run_pdf (GtkPrintOperation *op,
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return GTK_PRINT_OPERATION_RESULT_APPLY;
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}
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typedef struct
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{
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GtkPrintOperation *op;
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gint uncollated_copies;
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gint collated_copies;
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gint uncollated, collated, total;
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gint range, num_ranges;
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GtkPageRange *ranges;
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GtkPageRange one_range;
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gint page;
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gint sheet;
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gint first_position, last_position;
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gint first_sheet;
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gint num_of_sheets;
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gint *pages;
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GtkWidget *progress;
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gboolean initialized;
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gboolean is_preview;
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gboolean done;
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} PrintPagesData;
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static void
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clamp_page_ranges (PrintPagesData *data)
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@ -2127,7 +2146,8 @@ increment_page_sequence (PrintPagesData *data)
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inc = 1;
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/* changing sheet */
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if ((priv->page_position + 1) % priv->manual_number_up == 0 ||
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if (priv->manual_number_up < 2 ||
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(priv->page_position + 1) % priv->manual_number_up == 0 ||
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priv->page_position == data->last_position ||
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priv->page_position == priv->nr_of_pages_to_print - 1)
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{
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@ -2583,16 +2603,6 @@ prepare_data (PrintPagesData *data)
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priv = data->op->priv;
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if (!data->initialized)
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{
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data->initialized = TRUE;
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page_setup = create_page_setup (data->op);
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_gtk_print_context_set_page_setup (priv->print_context,
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page_setup);
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g_object_unref (page_setup);
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g_signal_emit (data->op, signals[BEGIN_PRINT], 0, priv->print_context);
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if (priv->manual_collation)
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{
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data->uncollated_copies = priv->manual_num_copies;
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@ -2604,6 +2614,16 @@ prepare_data (PrintPagesData *data)
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data->collated_copies = priv->manual_num_copies;
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}
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if (!data->initialized)
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{
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data->initialized = TRUE;
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page_setup = create_page_setup (data->op);
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_gtk_print_context_set_page_setup (priv->print_context,
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page_setup);
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g_object_unref (page_setup);
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g_signal_emit (data->op, signals[BEGIN_PRINT], 0, priv->print_context);
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return;
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}
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@ -2674,10 +2694,15 @@ prepare_data (PrintPagesData *data)
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data->collated = 0;
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data->uncollated = 0;
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if (priv->manual_number_up > 1)
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{
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if (priv->nr_of_pages_to_print % priv->manual_number_up == 0)
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data->num_of_sheets = priv->nr_of_pages_to_print / priv->manual_number_up;
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else
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data->num_of_sheets = priv->nr_of_pages_to_print / priv->manual_number_up + 1;
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}
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else
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data->num_of_sheets = priv->nr_of_pages_to_print;
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if (priv->manual_reverse)
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{
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@ -2910,12 +2935,12 @@ print_pages (GtkPrintOperation *op,
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&priv->num_page_ranges);
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priv->manual_num_copies = 1;
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priv->manual_collation = FALSE;
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priv->manual_reverse = FALSE;
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priv->manual_page_set = GTK_PAGE_SET_ALL;
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priv->manual_scale = 1.0;
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priv->manual_orientation = TRUE;
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priv->manual_number_up = 1;
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priv->manual_number_up_layout = GTK_NUMBER_UP_LAYOUT_LEFT_TO_RIGHT_TOP_TO_BOTTOM;
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priv->manual_reverse = gtk_print_settings_get_reverse (priv->print_settings);
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priv->manual_page_set = gtk_print_settings_get_page_set (priv->print_settings);
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priv->manual_scale = gtk_print_settings_get_scale (priv->print_settings) / 100.0;
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priv->manual_orientation = gtk_page_setup_get_orientation (priv->default_page_setup);
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priv->manual_number_up = gtk_print_settings_get_number_up (priv->print_settings);
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priv->manual_number_up_layout = gtk_print_settings_get_number_up_layout (priv->print_settings);
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}
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priv->print_pages_idle_id = gdk_threads_add_idle_full (G_PRIORITY_DEFAULT_IDLE + 10,
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@ -1152,7 +1152,7 @@ gtk_print_settings_set_n_copies (GtkPrintSettings *settings,
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gint
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gtk_print_settings_get_number_up (GtkPrintSettings *settings)
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{
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return gtk_print_settings_get_int (settings, GTK_PRINT_SETTINGS_NUMBER_UP);
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return gtk_print_settings_get_int_with_default (settings, GTK_PRINT_SETTINGS_NUMBER_UP, 1);
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}
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/**
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