From: Adrian Johnson Date: Wed, 23 Dec 2009 16:48:11 +0000 (+0100) Subject: [printing] Add custom print tab with option for page scale X-Git-Tag: EVINCE_2_29_5~37 X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=commitdiff_plain;h=207192392258ab19ba71dbcfcc613912a5fc4c2c;p=evince.git [printing] Add custom print tab with option for page scale that can choose between none, shrink to printable area, and fit to printable area. bgo#599468 --- diff --git a/libview/ev-print-operation.c b/libview/ev-print-operation.c index aaf9f5bf..969414e3 100644 --- a/libview/ev-print-operation.c +++ b/libview/ev-print-operation.c @@ -1514,6 +1514,14 @@ 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" + struct _EvPrintOperationPrint { EvPrintOperation parent; @@ -1522,6 +1530,10 @@ struct _EvPrintOperationPrint { gint total; EvJob *job_print; gchar *job_name; + + /* Page handling tab */ + GtkWidget *scale_combo; + EvPrintScale page_scale; }; struct _EvPrintOperationPrintClass { @@ -1728,6 +1740,31 @@ ev_print_operation_print_request_page_setup (EvPrintOperationPrint *print, 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_CHECK_VERSION (2, 19, 2) + if (!gtk_print_context_get_hard_margins (context, top, bottom, left, right)) { + *top = 0; + *bottom = 0; + *left = 0; + *right = 0; + } +#else + GtkPageSetup *page_setup; + + page_setup = gtk_print_context_get_page_setup (context); + *top = gtk_page_setup_get_top_margin (page_setup, GTK_UNIT_POINTS); + *bottom = gtk_page_setup_get_bottom_margin (page_setup, GTK_UNIT_POINTS); + *left = gtk_page_setup_get_left_margin (page_setup, GTK_UNIT_POINTS); + *right = gtk_page_setup_get_right_margin (page_setup, GTK_UNIT_POINTS); +#endif +} + static void ev_print_operation_print_draw_page (EvPrintOperationPrint *print, GtkPrintContext *context, @@ -1737,6 +1774,8 @@ ev_print_operation_print_draw_page (EvPrintOperationPrint *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); @@ -1757,16 +1796,81 @@ ev_print_operation_print_draw_page (EvPrintOperationPrint *print, cr_height = gtk_print_context_get_height (context); ev_document_get_page_size (op->document, page, &width, &height); - if (cr_width / width < cr_height / height) - scale = cr_width / width; - else - scale = cr_height / height; - cairo_scale (cr, scale, scale); + + _print_context_get_hard_margins (context, &top, &bottom, &left, &right); + + if (print->page_scale != EV_SCALE_NONE) { + 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->page_scale == EV_SCALE_FIT_TO_PRINTABLE_AREA || scale < 1.0) { + cairo_translate (cr, left, top); + 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; + + settings = gtk_print_operation_get_print_settings (print->op); + page_scale = gtk_print_settings_get_int_with_default (settings, EV_PRINT_SETTING_PAGE_SCALE, 0); + + table = gtk_table_new (1, 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 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); + + 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)); + settings = gtk_print_operation_get_print_settings (print->op); + gtk_print_settings_set_int (settings, EV_PRINT_SETTING_PAGE_SCALE, print->page_scale); +} + static void ev_print_operation_print_finalize (GObject *object) { @@ -1817,7 +1921,16 @@ ev_print_operation_print_init (EvPrintOperationPrint *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