1 /* Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
2 * Copyright (C) 2007-2009 Holger Berndt <hb@claws-mail.org>,
3 * Colin Leroy <colin@colino.net>, and the Claws Mail team
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
27 #include "image_viewer.h"
29 #if GTK_CHECK_VERSION(2,10,0) && !defined(USE_GNOMEPRINT)
33 #include "prefs_common.h"
35 #include <glib/gi18n.h>
36 #include <gdk/gdkkeysyms.h>
38 #include <pango/pango.h>
43 PrintRenderer *renderer;
44 gpointer renderer_data;
46 PangoContext *pango_context;
59 GtkPrintOperation *op;
60 GtkPrintOperationPreview *preview;
62 GtkWidget *scrolled_window;
64 PrintData *print_data;
65 GtkWidget *page_nr_label;
66 GList *pages_to_print;
80 GtkPrintContext *context;
84 static void printing_textview_cb_begin_print(GtkPrintOperation*,
85 GtkPrintContext*, gpointer);
86 static void printing_textview_cb_draw_page(GtkPrintOperation*,
87 GtkPrintContext*, gint,
89 static gboolean cb_preview(GtkPrintOperation*, GtkPrintOperationPreview*,
90 GtkPrintContext*, GtkWindow*, gpointer);
91 static void cb_preview_destroy(GtkWindow*, gpointer);
92 static gboolean cb_preview_close(GtkWidget*, GdkEventAny*, gpointer);
93 static void cb_preview_size_allocate(GtkWidget*, GtkAllocation*);
94 static void cb_preview_ready(GtkPrintOperationPreview*,
95 GtkPrintContext*, gpointer);
96 static gboolean cb_preview_expose(GtkWidget*, GdkEventExpose*, gpointer);
97 static void cb_preview_got_page_size(GtkPrintOperationPreview*,
99 GtkPageSetup*, gpointer);
100 static void cb_preview_go_first(GtkButton*, gpointer);
101 static void cb_preview_go_previous(GtkButton*, gpointer);
102 static void cb_preview_go_next(GtkButton*, gpointer);
103 static void cb_preview_go_last(GtkButton*, gpointer);
104 static void cb_preview_btn_close(GtkButton*, gpointer);
105 static void cb_preview_zoom_100(GtkButton*, gpointer);
106 static void cb_preview_zoom_fit(GtkButton*, gpointer);
107 static void cb_preview_zoom_in(GtkButton*, gpointer);
108 static void cb_preview_zoom_out(GtkButton*, gpointer);
109 static void cb_preview_request_page_setup(GtkPrintOperation*,
111 gint,GtkPageSetup*,gpointer);
113 static void printing_preview_update_zoom_sensitivity(PreviewData*);
116 static GtkPrintSettings *settings = NULL;
117 static GtkPageSetup *page_setup = NULL;
119 /* other static functions */
120 static void printing_layout_set_text_attributes(PrintData*, GtkPrintContext *, gboolean *);
121 static gboolean printing_is_pango_gdk_color_equal(PangoColor*, GdkColor*);
122 static gint printing_text_iter_get_offset_bytes(PrintData *, const GtkTextIter*);
124 #define PAGE_MARGIN_STORAGE_UNIT GTK_UNIT_MM
125 #define PREVIEW_SCALE 72
126 #define PREVIEW_SHADOW_OFFSET 3
127 #define PREVIEW_ZOOM_FAC 1.41
128 #define PREVIEW_ZOOM_MAX 10.
129 #define PREVIEW_ZOOM_MIN 0.2
131 static void free_pixbuf(gpointer key, gpointer value, gpointer data)
133 PangoAttrShape *attr = (PangoAttrShape *) value;
134 g_object_unref(G_OBJECT(attr->data));
137 gpointer printing_get_renderer_data(PrintData *print_data)
141 return print_data->renderer_data;
144 gdouble printing_get_zoom(PrintData *print_data)
148 return print_data->zoom;
151 void printing_set_n_pages(PrintData *print_data, gint n_pages)
155 print_data->npages = n_pages;
158 GtkPrintSettings *printing_get_settings(void)
160 if (settings == NULL) {
161 settings = gtk_print_settings_new();
162 gtk_print_settings_set_use_color(settings, prefs_common.print_use_color);
163 gtk_print_settings_set_collate(settings, prefs_common.print_use_collate);
164 gtk_print_settings_set_reverse(settings, prefs_common.print_use_reverse);
165 gtk_print_settings_set_duplex(settings, prefs_common.print_use_duplex);
170 void printing_store_settings(GtkPrintSettings *new_settings)
172 if (settings != NULL)
173 g_object_unref(settings);
175 settings = g_object_ref(new_settings);
176 prefs_common.print_use_color = gtk_print_settings_get_use_color(settings);
177 prefs_common.print_use_collate = gtk_print_settings_get_collate(settings);
178 prefs_common.print_use_reverse = gtk_print_settings_get_reverse(settings);
179 prefs_common.print_use_duplex = gtk_print_settings_get_duplex(settings);
182 GtkPageSetup *printing_get_page_setup(void)
184 if (page_setup == NULL) {
185 gboolean read_from_file;
186 char *page_setup_filename;
188 gboolean key_file_read;
190 page_setup = gtk_page_setup_new();
192 read_from_file = FALSE;
194 #if GTK_CHECK_VERSION(2,14,0)
195 /* try reading the page setup from file */
196 page_setup_filename = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
197 PRINTING_PAGE_SETUP_STORAGE_FILE, NULL);
198 keyfile = g_key_file_new();
199 key_file_read = g_key_file_load_from_file(keyfile, page_setup_filename,
201 g_free(page_setup_filename);
204 read_from_file = gtk_page_setup_load_key_file(page_setup, keyfile,
206 g_key_file_free(keyfile);
208 if (read_from_file) {
209 debug_print("Printing: Read page setup from key file\n");
211 debug_print("Printing: Could not read page setup from key file\n");
214 key_file_read = FALSE;
216 page_setup_filename = NULL;
219 /* if reading from file did not work, or has not been tried (GTK+ < 2.14), use prefs */
220 if (!read_from_file) {
222 if (prefs_common.print_paper_type &&
223 *prefs_common.print_paper_type) {
224 GtkPaperSize *paper = gtk_paper_size_new(prefs_common.print_paper_type);
225 gtk_page_setup_set_paper_size(page_setup, paper);
226 gtk_paper_size_free(paper);
229 gtk_page_setup_set_orientation(page_setup,
230 prefs_common.print_paper_orientation);
232 if (prefs_common.print_margin_top != -1)
233 gtk_page_setup_set_top_margin(page_setup,
234 0.01*prefs_common.print_margin_top,
235 PAGE_MARGIN_STORAGE_UNIT);
236 if (prefs_common.print_margin_bottom != -1)
237 gtk_page_setup_set_bottom_margin(page_setup,
238 0.01*prefs_common.print_margin_bottom,
239 PAGE_MARGIN_STORAGE_UNIT);
240 if (prefs_common.print_margin_left != -1)
241 gtk_page_setup_set_left_margin(page_setup,
242 0.01*prefs_common.print_margin_left,
243 PAGE_MARGIN_STORAGE_UNIT);
244 if (prefs_common.print_margin_right != -1)
245 gtk_page_setup_set_right_margin(page_setup,
246 0.01*prefs_common.print_margin_right,
247 PAGE_MARGIN_STORAGE_UNIT);
253 void printing_print_full(GtkWindow *parent, PrintRenderer *renderer, gpointer renderer_data,
254 gint sel_start, gint sel_end)
256 GtkPrintOperation *op;
257 GtkPrintOperationResult res;
258 PrintData *print_data;
260 op = gtk_print_operation_new();
262 print_data = g_new0(PrintData,1);
264 print_data->renderer = renderer;
265 print_data->renderer_data = renderer_data;
266 print_data->sel_start = sel_start;
267 print_data->sel_end = sel_end;
269 print_data->zoom = 1.;
271 print_data->images = g_hash_table_new(g_direct_hash, g_direct_equal);
273 print_data->pango_context = renderer->get_pango_context(renderer_data);
275 print_data->to_print = renderer->get_data_to_print(renderer_data, sel_start, sel_end);
277 printing_get_settings();
278 printing_get_page_setup();
280 /* Config for printing */
281 gtk_print_operation_set_print_settings(op, settings);
282 gtk_print_operation_set_default_page_setup(op, page_setup);
283 #if GTK_CHECK_VERSION(2, 18, 0)
284 /* enable Page Size and Orientation in the print dialog */
285 gtk_print_operation_set_embed_page_setup(op, TRUE);
289 g_signal_connect(op, "begin_print", G_CALLBACK(renderer->cb_begin_print), print_data);
290 g_signal_connect(op, "draw_page", G_CALLBACK(renderer->cb_draw_page), print_data);
291 g_signal_connect(op, "preview", G_CALLBACK(cb_preview), print_data);
293 /* Start printing process */
294 res = gtk_print_operation_run(op, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
297 if (res == GTK_PRINT_OPERATION_RESULT_ERROR) {
298 GError *error = NULL;
299 gtk_print_operation_get_error(op, &error);
300 debug_print("Error printing message: %s\n",
301 error ? error->message : "no details");
302 } else if (res == GTK_PRINT_OPERATION_RESULT_APPLY) {
303 /* store settings for next printing session */
304 printing_store_settings(gtk_print_operation_get_print_settings(op));
307 g_hash_table_foreach(print_data->images, free_pixbuf, NULL);
308 g_hash_table_destroy(print_data->images);
309 if (print_data->to_print)
310 g_free(print_data->to_print);
311 g_list_free(print_data->page_breaks);
312 if (print_data->layout)
313 g_object_unref(print_data->layout);
318 debug_print("printing_print finished\n");
321 static PangoContext *printing_textview_get_pango_context(gpointer data)
323 return gtk_widget_get_pango_context(GTK_WIDGET(data));
326 static gpointer printing_textview_get_data_to_print(gpointer data, gint sel_start, gint sel_end)
328 GtkTextView *text_view = GTK_TEXT_VIEW(data);
329 GtkTextBuffer *buffer = gtk_text_view_get_buffer(text_view);
330 GtkTextIter start, end;
332 if (sel_start < 0 || sel_end <= sel_start) {
333 gtk_text_buffer_get_start_iter(buffer, &start);
334 gtk_text_buffer_get_end_iter(buffer, &end);
336 gtk_text_buffer_get_iter_at_offset(buffer, &start, sel_start);
337 gtk_text_buffer_get_iter_at_offset(buffer, &end, sel_end);
340 return gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
343 void printing_print(GtkTextView *text_view, GtkWindow *parent, gint sel_start, gint sel_end)
345 PrintRenderer *textview_renderer = g_new0(PrintRenderer, 1);
347 textview_renderer->get_pango_context = printing_textview_get_pango_context;
348 textview_renderer->get_data_to_print = printing_textview_get_data_to_print;
349 textview_renderer->cb_begin_print = printing_textview_cb_begin_print;
350 textview_renderer->cb_draw_page = printing_textview_cb_draw_page;
352 printing_print_full(parent, textview_renderer, text_view, sel_start, sel_end);
354 g_free(textview_renderer);
357 void printing_page_setup(GtkWindow *parent)
359 GtkPageSetup *new_page_setup;
364 printing_get_settings();
365 printing_get_page_setup();
367 new_page_setup = gtk_print_run_page_setup_dialog(parent,page_setup,settings);
370 g_object_unref(page_setup);
372 page_setup = new_page_setup;
374 g_free(prefs_common.print_paper_type);
375 prefs_common.print_paper_type = g_strdup(gtk_paper_size_get_name(
376 gtk_page_setup_get_paper_size(page_setup)));
377 prefs_common.print_paper_orientation = gtk_page_setup_get_orientation(page_setup);
378 /* store 100th millimeters */
379 prefs_common.print_margin_top = (int) (100*gtk_page_setup_get_top_margin(page_setup,
380 PAGE_MARGIN_STORAGE_UNIT));
381 prefs_common.print_margin_bottom = (int) (100*gtk_page_setup_get_bottom_margin(page_setup,
382 PAGE_MARGIN_STORAGE_UNIT));
383 prefs_common.print_margin_left = (int) (100*gtk_page_setup_get_left_margin(page_setup,
384 PAGE_MARGIN_STORAGE_UNIT));
385 prefs_common.print_margin_right = (int) (100*gtk_page_setup_get_right_margin(page_setup,
386 PAGE_MARGIN_STORAGE_UNIT));
388 #if GTK_CHECK_VERSION(2,14,0)
390 keyfile = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
391 PRINTING_PAGE_SETUP_STORAGE_FILE, NULL);
392 if (!gtk_page_setup_to_file(page_setup, keyfile, NULL)) {
393 debug_print("Printing: Could not store page setup in file `%s'\n", keyfile);
399 static gboolean cb_preview(GtkPrintOperation *operation,
400 GtkPrintOperationPreview *preview,
401 GtkPrintContext *context,
405 PrintData *print_data;
407 PreviewData *preview_data;
413 GtkToolItem *separator;
414 static GdkGeometry geometry;
415 GtkWidget *dialog = NULL;
416 GtkWidget *statusbar = gtk_hbox_new(2, FALSE);
419 debug_print("Creating internal print preview\n");
421 print_data = (PrintData*) data;
423 preview_data = g_new0(PreviewData,1);
424 preview_data->print_data = print_data;
425 preview_data->op = g_object_ref(operation);
426 preview_data->preview = preview;
429 dialog = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "print_preview");
430 preview_data->dialog = dialog;
431 if (!geometry.min_height) {
432 geometry.min_width = 600;
433 geometry.min_height = 400;
435 gtk_window_set_geometry_hints(GTK_WINDOW(dialog), NULL, &geometry,
437 gtk_widget_set_size_request(dialog, prefs_common.print_previewwin_width,
438 prefs_common.print_previewwin_height);
439 gtk_window_set_title(GTK_WINDOW(dialog), _("Print preview"));
442 vbox = gtk_vbox_new(FALSE, 0);
443 gtk_container_add(GTK_CONTAINER(dialog), vbox);
446 toolbar = gtk_toolbar_new();
447 #if (GTK_CHECK_VERSION(2,16,0))
448 gtk_orientable_set_orientation(GTK_ORIENTABLE(toolbar), GTK_ORIENTATION_HORIZONTAL);
450 gtk_toolbar_set_orientation(GTK_TOOLBAR(toolbar), GTK_ORIENTATION_HORIZONTAL);
452 switch (prefs_common.toolbar_style) {
454 gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_ICONS);
457 gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_TEXT);
459 case TOOLBAR_BOTH_HORIZ:
460 gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_BOTH_HORIZ);
464 gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_BOTH);
466 gtk_toolbar_set_show_arrow(GTK_TOOLBAR(toolbar), TRUE);
468 gtk_box_pack_start(GTK_BOX(vbox), toolbar, FALSE, FALSE, 0);
470 #if !(GTK_CHECK_VERSION(2,12,0))
471 #define CLAWS_SET_TOOL_ITEM_TIP(widget,tip) { \
472 gtk_tool_item_set_tooltip(GTK_TOOL_ITEM(widget), GTK_TOOLTIPS(tips), \
476 #define CLAWS_SET_TOOL_ITEM_TIP(widget,tip) { \
477 gtk_tool_item_set_tooltip_text(GTK_TOOL_ITEM(widget), tip); \
481 #define TOOLBAR_ITEM(item,text,tooltip,cb,cbdata) { \
482 item = GTK_WIDGET(gtk_tool_button_new_from_stock(text)); \
483 gtk_tool_item_set_homogeneous(GTK_TOOL_ITEM(item), FALSE); \
484 gtk_tool_item_set_is_important(GTK_TOOL_ITEM(item), TRUE); \
485 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), GTK_TOOL_ITEM(item), -1); \
486 g_signal_connect (G_OBJECT(item), "clicked", G_CALLBACK(cb), cbdata); \
487 CLAWS_SET_TOOL_ITEM_TIP(GTK_TOOL_ITEM(item), \
491 TOOLBAR_ITEM(preview_data->first, GTK_STOCK_GOTO_FIRST,
492 _("First page"), cb_preview_go_first, preview_data);
493 TOOLBAR_ITEM(preview_data->previous, GTK_STOCK_GO_BACK,
494 _("Previous page"), cb_preview_go_previous, preview_data);
496 page = gtk_label_new("");
497 gtk_widget_set_size_request(page, 100, -1);
498 preview_data->page_nr_label = page;
500 TOOLBAR_ITEM(preview_data->next, GTK_STOCK_GO_FORWARD,
501 _("Next page"), cb_preview_go_next, preview_data);
502 TOOLBAR_ITEM(preview_data->last, GTK_STOCK_GOTO_LAST,
503 _("Last page"), cb_preview_go_last, preview_data);
505 separator = gtk_separator_tool_item_new();
506 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), GTK_TOOL_ITEM(separator), -1);
508 TOOLBAR_ITEM(preview_data->zoom_100, GTK_STOCK_ZOOM_100,
509 _("Zoom 100%"), cb_preview_zoom_100, preview_data);
510 TOOLBAR_ITEM(preview_data->zoom_fit, GTK_STOCK_ZOOM_FIT,
511 _("Zoom fit"), cb_preview_zoom_fit, preview_data);
512 TOOLBAR_ITEM(preview_data->zoom_in, GTK_STOCK_ZOOM_IN,
513 _("Zoom in"), cb_preview_zoom_in, preview_data);
514 TOOLBAR_ITEM(preview_data->zoom_out, GTK_STOCK_ZOOM_OUT,
515 _("Zoom out"), cb_preview_zoom_out, preview_data);
517 separator = gtk_separator_tool_item_new();
518 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), GTK_TOOL_ITEM(separator), -1);
520 /* tooltip has to be NULL else it triggers an expose_event */
521 TOOLBAR_ITEM(preview_data->close, GTK_STOCK_CLOSE, NULL,
522 cb_preview_btn_close, preview_data);
524 gtk_widget_show(statusbar);
525 gtk_box_pack_start(GTK_BOX(vbox), statusbar, FALSE, FALSE, 0);
526 gtk_box_pack_start(GTK_BOX(statusbar), page, FALSE, FALSE, 0);
528 sw = gtk_scrolled_window_new(NULL, NULL);
529 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(sw),
530 GTK_POLICY_AUTOMATIC,
531 GTK_POLICY_AUTOMATIC);
532 gtk_box_pack_start(GTK_BOX(vbox), sw, TRUE, TRUE, 0);
533 da = gtk_drawing_area_new();
534 gtk_widget_set_double_buffered(da, FALSE);
535 gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(sw),
537 gtk_widget_realize(da);
538 preview_data->scrolled_window = sw;
539 preview_data->area = da;
542 cr = gdk_cairo_create(da->window);
543 gtk_print_context_set_cairo_context(context, cr, PREVIEW_SCALE, PREVIEW_SCALE);
547 g_signal_connect(dialog, "key_press_event",
548 G_CALLBACK(cb_preview_close), preview_data);
549 g_signal_connect(dialog, "size_allocate",
550 G_CALLBACK(cb_preview_size_allocate), NULL);
551 g_signal_connect(dialog, "destroy",G_CALLBACK(cb_preview_destroy),
553 g_signal_connect(preview, "ready", G_CALLBACK(cb_preview_ready),
555 g_signal_connect(preview, "got-page-size",
556 G_CALLBACK(cb_preview_got_page_size), preview_data);
558 g_signal_connect(operation, "request-page-setup",
559 G_CALLBACK(cb_preview_request_page_setup), preview_data);
561 gtk_widget_show_all(dialog);
565 static void cb_preview_destroy(GtkWindow *window, gpointer data)
567 PreviewData *preview_data;
568 preview_data = (PreviewData*) data;
570 if (preview_data->rendering)
572 debug_print("Preview window destroyed\n");
574 gtk_print_operation_preview_end_preview(preview_data->preview);
575 g_object_unref(preview_data->op);
576 g_list_free(preview_data->pages_to_print);
578 g_free(preview_data);
581 static gboolean cb_preview_close(GtkWidget *widget, GdkEventAny *event,
584 PreviewData *preview_data = (PreviewData *)data;
585 if (event->type == GDK_KEY_PRESS)
586 if (((GdkEventKey *)event)->keyval != GDK_Escape)
588 if (preview_data->rendering)
590 gtk_widget_destroy(widget);
594 static void cb_preview_size_allocate(GtkWidget *widget,
595 GtkAllocation *allocation)
597 cm_return_if_fail(allocation != NULL);
599 prefs_common.print_previewwin_width = allocation->width;
600 prefs_common.print_previewwin_height = allocation->height;
603 static void cb_preview_ready(GtkPrintOperationPreview *preview,
604 GtkPrintContext *context,
607 PreviewData *preview_data;
609 preview_data = (PreviewData*) data;
610 debug_print("preview_ready %d\n", preview_data->print_data->npages);
612 for (iPage = 0; iPage < (preview_data->print_data->npages); iPage++) {
613 if (gtk_print_operation_preview_is_selected(preview_data->preview, iPage)) {
614 preview_data->pages_to_print =
615 g_list_prepend(preview_data->pages_to_print,
616 GINT_TO_POINTER(iPage));
617 debug_print("want to print page %d\n",iPage+1);
621 preview_data->pages_to_print = g_list_reverse(preview_data->pages_to_print);
622 preview_data->current_page = preview_data->pages_to_print;
623 preview_data->context = context;
625 g_signal_connect(preview_data->area, "expose_event",
626 G_CALLBACK(cb_preview_expose),
629 gtk_widget_queue_draw(preview_data->area);
632 static void cb_preview_got_page_size(GtkPrintOperationPreview *preview,
633 GtkPrintContext *context,
634 GtkPageSetup *page_setup,
637 PreviewData *preview_data;
638 GtkPageOrientation orientation;
639 GtkPaperSize *paper_size;
643 preview_data = (PreviewData*) data;
644 debug_print("got_page_size\n");
645 orientation = gtk_page_setup_get_orientation(page_setup);
646 paper_size = gtk_page_setup_get_paper_size(page_setup);
647 paper_width = (gint)(gtk_paper_size_get_width(paper_size, GTK_UNIT_INCH)
649 paper_height = (gint)(gtk_paper_size_get_height(paper_size, GTK_UNIT_INCH)
652 preview_data->page_width = paper_width;
653 preview_data->page_height = paper_height;
655 debug_print("w/h %d/%d\n", paper_width, paper_height);
656 gtk_widget_set_size_request(GTK_WIDGET(preview_data->area),
657 paper_width, paper_height);
660 static gboolean cb_preview_expose(GtkWidget *widget, GdkEventExpose *event,
663 PreviewData *preview_data = data;
670 debug_print("preview_expose (current %p)\n", preview_data->current_page);
671 gdk_window_clear(preview_data->area->window);
683 gc = gdk_gc_new(GDK_DRAWABLE(preview_data->area->window));
686 gdk_gc_set_rgb_fg_color(gc, &gray);
687 gdk_draw_rectangle(preview_data->area->window, gc, TRUE, 0, 0,
688 preview_data->area->allocation.width,
689 preview_data->area->allocation.height);
692 gdk_gc_set_rgb_fg_color(gc, &black);
693 gdk_draw_rectangle(preview_data->area->window, gc, TRUE,
694 PREVIEW_SHADOW_OFFSET, PREVIEW_SHADOW_OFFSET,
695 preview_data->page_width+PREVIEW_SHADOW_OFFSET,
696 preview_data->page_height+PREVIEW_SHADOW_OFFSET);
699 gdk_gc_set_rgb_fg_color(gc, &white);
700 gdk_draw_rectangle(preview_data->area->window, gc, TRUE, 0, 0,
701 preview_data->page_width,
702 preview_data->page_height);
706 cr = gdk_cairo_create(preview_data->area->window);
707 gtk_print_context_set_cairo_context(preview_data->context, cr, PREVIEW_SCALE, PREVIEW_SCALE);
710 if (preview_data->current_page) {
711 preview_data->rendering = TRUE;
712 gtk_widget_set_sensitive(preview_data->close, FALSE);
713 int cur = GPOINTER_TO_INT(preview_data->current_page->data);
715 str = g_strdup_printf(_("Page %d"), cur+1);
716 gtk_label_set_text(GTK_LABEL(preview_data->page_nr_label), str);
718 gtk_print_operation_preview_render_page(preview_data->preview,
720 (preview_data->current_page->data));
722 gtk_widget_set_sensitive(preview_data->first,
723 preview_data->current_page->prev != NULL);
724 gtk_widget_set_sensitive(preview_data->previous,
725 preview_data->current_page->prev != NULL);
726 gtk_widget_set_sensitive(preview_data->next,
727 preview_data->current_page->next != NULL);
728 gtk_widget_set_sensitive(preview_data->last,
729 preview_data->current_page->next != NULL);
730 gtk_widget_set_sensitive(preview_data->close, TRUE);
731 preview_data->rendering = FALSE;
736 static void cb_preview_go_first(GtkButton *button, gpointer data)
738 PreviewData *preview_data = (PreviewData*) data;
739 preview_data->current_page = preview_data->pages_to_print;
740 gtk_widget_queue_draw(preview_data->area);
743 static void cb_preview_go_previous(GtkButton *button, gpointer data)
746 PreviewData *preview_data = (PreviewData*) data;
747 next = g_list_previous(preview_data->current_page);
749 preview_data->current_page = next;
750 gtk_widget_queue_draw(preview_data->area);
753 static void cb_preview_go_next(GtkButton *button, gpointer data)
756 PreviewData *preview_data = (PreviewData*) data;
757 next = g_list_next(preview_data->current_page);
759 preview_data->current_page = next;
760 gtk_widget_queue_draw(preview_data->area);
763 static void cb_preview_go_last(GtkButton *button, gpointer data)
765 PreviewData *preview_data = (PreviewData*) data;
766 preview_data->current_page = g_list_last(preview_data->current_page);
767 gtk_widget_queue_draw(preview_data->area);
770 static void cb_preview_btn_close(GtkButton *button, gpointer data)
772 PreviewData *preview_data = (PreviewData *)data;
773 if (preview_data->rendering)
775 gtk_widget_destroy(preview_data->dialog);
778 static void cb_preview_zoom_100(GtkButton *button, gpointer data)
780 PreviewData *preview_data = (PreviewData*) data;
781 if (preview_data->print_data->zoom != 1.) {
782 preview_data->print_data->zoom = 1.;
783 gtk_widget_queue_draw(preview_data->area);
784 printing_preview_update_zoom_sensitivity(preview_data);
788 static void cb_preview_zoom_fit(GtkButton *button, gpointer data)
790 PreviewData *preview_data = (PreviewData*) data;
794 zoom_w = ((gdouble)preview_data->scrolled_window->allocation.width) /
795 ((gdouble)preview_data->page_width/preview_data->print_data->zoom +
796 PREVIEW_SHADOW_OFFSET);
797 zoom_h = ((gdouble)preview_data->scrolled_window->allocation.height) /
798 ((gdouble)preview_data->page_height/preview_data->print_data->zoom +
799 PREVIEW_SHADOW_OFFSET);
801 preview_data->print_data->zoom = MIN(zoom_w,zoom_h) - 0.01;
803 if (preview_data->print_data->zoom > PREVIEW_ZOOM_MAX)
804 preview_data->print_data->zoom = PREVIEW_ZOOM_MAX;
805 else if (preview_data->print_data->zoom < PREVIEW_ZOOM_MIN)
806 preview_data->print_data->zoom = PREVIEW_ZOOM_MIN;
808 printing_preview_update_zoom_sensitivity(preview_data);
809 gtk_widget_queue_draw(preview_data->area);
812 static void cb_preview_zoom_in(GtkButton *button, gpointer data)
814 PreviewData *preview_data = (PreviewData*) data;
816 new_zoom = preview_data->print_data->zoom * PREVIEW_ZOOM_FAC;
817 if (new_zoom <= PREVIEW_ZOOM_MAX) {
818 preview_data->print_data->zoom = new_zoom;
819 printing_preview_update_zoom_sensitivity(preview_data);
820 gtk_widget_queue_draw(preview_data->area);
824 static void cb_preview_zoom_out(GtkButton *button, gpointer data)
826 PreviewData *preview_data = (PreviewData*) data;
828 new_zoom = preview_data->print_data->zoom / PREVIEW_ZOOM_FAC;
829 if (new_zoom >= PREVIEW_ZOOM_MIN) {
830 preview_data->print_data->zoom = new_zoom;
831 printing_preview_update_zoom_sensitivity(preview_data);
832 gtk_widget_queue_draw(preview_data->area);
836 static void cb_preview_request_page_setup(GtkPrintOperation *op,
837 GtkPrintContext *context,
839 GtkPageSetup *setup,gpointer data)
841 GtkPaperSize *paper_size;
842 GtkPaperSize *old_size;
846 gdouble bottom_margin;
848 gdouble right_margin;
850 PreviewData *preview_data = (PreviewData*) data;
852 old_size = gtk_page_setup_get_paper_size(setup);
853 width = gtk_paper_size_get_width(old_size,GTK_UNIT_INCH);
854 height = gtk_paper_size_get_height(old_size,GTK_UNIT_INCH);
856 top_margin = gtk_page_setup_get_top_margin(setup,GTK_UNIT_INCH);
857 bottom_margin = gtk_page_setup_get_bottom_margin(setup,GTK_UNIT_INCH);
858 left_margin = gtk_page_setup_get_left_margin(setup,GTK_UNIT_INCH);
859 right_margin = gtk_page_setup_get_right_margin(setup,GTK_UNIT_INCH);
861 paper_size = gtk_paper_size_new_custom("preview paper", "preview_paper",
862 width*preview_data->print_data->zoom,
863 height*preview_data->print_data->zoom,
865 gtk_page_setup_set_paper_size(setup, paper_size);
866 gtk_paper_size_free(paper_size);
868 gtk_page_setup_set_top_margin(setup,top_margin*preview_data->print_data->zoom,
870 gtk_page_setup_set_bottom_margin(setup,bottom_margin*preview_data->print_data->zoom,
872 gtk_page_setup_set_left_margin(setup,left_margin*preview_data->print_data->zoom,
874 gtk_page_setup_set_right_margin(setup,right_margin*preview_data->print_data->zoom,
878 static void printing_textview_cb_begin_print(GtkPrintOperation *op, GtkPrintContext *context,
881 double width, height;
885 PrintData *print_data;
886 PangoFontDescription *desc;
888 PangoLayoutIter *iter;
891 gint num_header_lines;
893 gboolean header_done;
894 gboolean has_headers = FALSE;
896 double line_height =0.;
898 print_data = (PrintData*) user_data;
900 debug_print("Preparing print job...\n");
902 width = gtk_print_context_get_width(context);
903 height = gtk_print_context_get_height(context);
905 if (print_data->layout == NULL)
906 print_data->layout = gtk_print_context_create_pango_layout(context);
908 if (prefs_common.use_different_print_font)
909 desc = pango_font_description_from_string(prefs_common.printfont);
911 desc = pango_font_description_copy(
912 pango_context_get_font_description(print_data->pango_context));
914 pango_layout_set_font_description(print_data->layout, desc);
915 pango_font_description_free(desc);
917 pango_layout_set_width(print_data->layout, width * PANGO_SCALE);
918 pango_layout_set_text(print_data->layout, (char *)print_data->to_print, -1);
920 printing_layout_set_text_attributes(print_data, context, &has_headers);
922 num_lines = pango_layout_get_line_count(print_data->layout);
929 iter = pango_layout_get_iter(print_data->layout);
931 /* find the last character of the header */
934 text = pango_layout_get_text(print_data->layout);
937 if (text && *text && *text != '\n') {
939 if (text[0] == '\n' && (text[1] != '\0') && (text[1] == '\n'))
944 } while(*text && !header_done);
946 /* find line number for header end */
947 pango_layout_index_to_line_x(print_data->layout, header_end_pos, 1,
948 &num_header_lines, &dummy);
949 /* line count is zero-based */
952 print_data->ypos_line = -1.0;
956 PangoRectangle logical_rect;
957 PangoLayoutLine *line;
958 PangoAttrShape *attr = NULL;
962 line = pango_layout_iter_get_line(iter);
964 pango_layout_iter_get_line_extents(iter, NULL, &logical_rect);
965 baseline = pango_layout_iter_get_baseline(iter);
967 if ((attr = g_hash_table_lookup(print_data->images,
968 GINT_TO_POINTER(pango_layout_iter_get_index(iter)))) != NULL) {
969 line_height = (double)gdk_pixbuf_get_height(GDK_PIXBUF(attr->data));
971 line_height = ((double)logical_rect.height) / PANGO_SCALE;
974 if ((page_height + line_height) > height) {
975 page_breaks = g_list_prepend(page_breaks, GINT_TO_POINTER(ii));
979 if (has_headers && ii == num_header_lines) {
981 pango_layout_iter_get_line_yrange(iter,&y0,&y1);
982 print_data->ypos_line = (double)y0 + 1./3.*((double)(y1 - y0))/2.;
985 page_height += line_height;
987 } while(ii < num_lines && pango_layout_iter_next_line(iter));
988 pango_layout_iter_free(iter);
990 page_breaks = g_list_reverse(page_breaks);
991 print_data->npages = g_list_length(page_breaks) + 1;
992 print_data->page_breaks = page_breaks;
994 gtk_print_operation_set_n_pages(op, print_data->npages);
996 debug_print("Starting print job...\n");
999 static cairo_surface_t *pixbuf_to_surface(GdkPixbuf *pixbuf)
1001 cairo_surface_t *surface;
1002 cairo_format_t format;
1003 static const cairo_user_data_key_t key;
1004 guchar *pixels = g_malloc(
1006 gdk_pixbuf_get_width(pixbuf)*
1007 gdk_pixbuf_get_height(pixbuf));
1008 guchar *src_pixels = gdk_pixbuf_get_pixels (pixbuf);
1009 gint width = gdk_pixbuf_get_width(pixbuf);
1010 gint height = gdk_pixbuf_get_height(pixbuf);
1011 gint nchans = gdk_pixbuf_get_n_channels (pixbuf);
1012 gint stride = gdk_pixbuf_get_rowstride (pixbuf);
1016 format = CAIRO_FORMAT_RGB24;
1018 format = CAIRO_FORMAT_ARGB32;
1019 surface = cairo_image_surface_create_for_data (pixels,
1020 format, width, height, 4*width);
1021 cairo_surface_set_user_data (surface, &key,
1022 pixels, (cairo_destroy_func_t)g_free);
1024 for (j = height; j; j--) {
1025 guchar *p = src_pixels;
1029 guchar *end = p + 3 * width;
1032 #if G_BYTE_ORDER == G_LITTLE_ENDIAN
1045 guchar *end = p + 4 * width;
1048 #define MULT(d,c,a,t) G_STMT_START { t = c * a + 0x7f; d = ((t >> 8) + t) >> 8; } G_STMT_END
1051 #if G_BYTE_ORDER == G_LITTLE_ENDIAN
1052 MULT(q[0], p[2], p[3], t1);
1053 MULT(q[1], p[1], p[3], t2);
1054 MULT(q[2], p[0], p[3], t3);
1058 MULT(q[1], p[0], p[3], t1);
1059 MULT(q[2], p[1], p[3], t2);
1060 MULT(q[3], p[2], p[3], t3);
1070 src_pixels += stride;
1071 pixels += 4 * width;
1077 static void printing_textview_cb_draw_page(GtkPrintOperation *op, GtkPrintContext *context,
1078 int page_nr, gpointer user_data)
1081 PrintData *print_data;
1084 PangoLayoutIter *iter;
1086 gboolean notlast = TRUE;
1088 print_data = (PrintData*) user_data;
1093 pagebreak = g_list_nth(print_data->page_breaks, page_nr - 1);
1094 start = GPOINTER_TO_INT(pagebreak->data);
1097 pagebreak = g_list_nth(print_data->page_breaks, page_nr);
1098 if (pagebreak == NULL)
1099 end = pango_layout_get_line_count(print_data->layout);
1101 end = GPOINTER_TO_INT(pagebreak->data);
1103 cr = gtk_print_context_get_cairo_context(context);
1104 cairo_scale(cr, print_data->zoom, print_data->zoom);
1105 cairo_set_source_rgb(cr, 0., 0., 0.);
1109 iter = pango_layout_get_iter(print_data->layout);
1111 PangoRectangle logical_rect;
1112 PangoLayoutLine *line;
1113 PangoAttrShape *attr = NULL;
1117 line = pango_layout_iter_get_line(iter);
1119 pango_layout_iter_get_line_extents(iter, NULL, &logical_rect);
1120 baseline = pango_layout_iter_get_baseline(iter);
1123 start_pos = ((double)logical_rect.y) / PANGO_SCALE;
1125 /* Draw header separator line */
1126 if (ii == 0 && print_data->ypos_line >= 0) {
1127 cairo_surface_t *surface;
1128 surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
1129 gtk_print_context_get_width(context)/print_data->zoom,
1130 gtk_print_context_get_height(context)/print_data->zoom);
1131 cairo_set_line_width(cr, .5);
1132 cairo_set_source_surface(cr, surface,
1133 ((double)logical_rect.x) / PANGO_SCALE,
1134 ((double)baseline) / PANGO_SCALE - start_pos);
1135 cairo_move_to(cr, ((double)logical_rect.x) / PANGO_SCALE,
1136 (double)print_data->ypos_line / PANGO_SCALE);
1137 cairo_rel_line_to(cr, gtk_print_context_get_width(context)/print_data->zoom, 0);
1138 cairo_set_source_rgb(cr, 0., 0., 0.);
1140 cairo_surface_destroy(surface);
1144 ((double)logical_rect.x) / PANGO_SCALE,
1145 ((double)baseline) / PANGO_SCALE - start_pos);
1147 if ((attr = g_hash_table_lookup(print_data->images,
1148 GINT_TO_POINTER(pango_layout_iter_get_index(iter)))) != NULL) {
1149 cairo_surface_t *surface;
1151 surface = pixbuf_to_surface(GDK_PIXBUF(attr->data));
1152 cairo_set_source_surface (cr, surface,
1153 ((double)logical_rect.x) / PANGO_SCALE,
1154 ((double)baseline) / PANGO_SCALE - start_pos);
1156 cairo_surface_destroy (surface);
1158 pango_cairo_show_layout_line(cr, line);
1162 } while(ii < end && (notlast = pango_layout_iter_next_line(iter)));
1163 pango_layout_iter_free(iter);
1164 debug_print("Sent page %d to printer\n", page_nr+1);
1167 static void printing_layout_set_text_attributes(PrintData *print_data,
1168 GtkPrintContext *context,
1169 gboolean *has_headers)
1172 PangoAttrList *attr_list;
1173 PangoAttribute *attr;
1174 GSList *open_attrs, *attr_walk;
1175 GtkTextView *text_view = GTK_TEXT_VIEW(print_data->renderer_data);
1176 GtkTextBuffer *buffer = gtk_text_view_get_buffer(text_view);
1178 *has_headers = FALSE;
1180 attr_list = pango_attr_list_new();
1181 if (print_data->sel_start < 0 || print_data->sel_end <= print_data->sel_start) {
1182 gtk_text_buffer_get_start_iter(buffer, &iter);
1184 gtk_text_buffer_get_iter_at_offset(buffer, &iter, print_data->sel_start);
1189 gboolean fg_set, bg_set, under_set, strike_set, weight_set;
1190 GSList *tags, *tag_walk;
1192 GdkColor *color = NULL;
1193 PangoUnderline underline;
1194 gboolean strikethrough;
1198 if (prefs_common.print_imgs && (image = gtk_text_iter_get_pixbuf(&iter)) != NULL) {
1199 PangoRectangle rect = {0, 0, 0, 0};
1200 gint startpos = printing_text_iter_get_offset_bytes(print_data, &iter);
1201 gint h = gdk_pixbuf_get_height(image);
1202 gint w = gdk_pixbuf_get_width(image);
1203 gint a_h = gtk_print_context_get_height(context);
1204 gint a_w = gtk_print_context_get_width(context);
1206 GdkPixbuf *scaled = NULL;
1207 image_viewer_get_resized_size(w, h, a_w, a_h, &r_w, &r_h);
1210 rect.width = r_w * PANGO_SCALE;
1211 rect.height = r_h * PANGO_SCALE;
1213 scaled = gdk_pixbuf_scale_simple(image, r_w, r_h, GDK_INTERP_BILINEAR);
1214 attr = pango_attr_shape_new_with_data (&rect, &rect,
1215 scaled, NULL, NULL);
1216 attr->start_index = startpos;
1217 attr->end_index = startpos+1;
1218 pango_attr_list_insert(attr_list, attr);
1219 g_hash_table_insert(print_data->images, GINT_TO_POINTER(startpos), attr);
1220 print_data->img_cnt++;
1223 if (gtk_text_iter_ends_tag(&iter, NULL)) {
1224 PangoAttrColor *attr_color;
1225 PangoAttrInt *attr_int;
1227 tags = gtk_text_iter_get_toggled_tags(&iter, FALSE);
1228 for (tag_walk = tags; tag_walk != NULL; tag_walk = tag_walk->next) {
1231 tag = GTK_TEXT_TAG(tag_walk->data);
1232 g_object_get(G_OBJECT(tag),
1233 "background-set", &bg_set,
1234 "foreground-set", &fg_set,
1235 "underline-set",&under_set,
1236 "strikethrough-set", &strike_set,
1237 "weight-set", &weight_set,
1242 for (attr_walk = open_attrs; attr_walk != NULL;
1243 attr_walk = attr_walk->next) {
1244 attr = (PangoAttribute*)attr_walk->data;
1245 if (attr->klass->type == PANGO_ATTR_FOREGROUND) {
1246 attr_color = (PangoAttrColor*) attr;
1247 g_object_get(G_OBJECT(tag), "foreground_gdk",
1250 printing_is_pango_gdk_color_equal(&(attr_color->color),
1252 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1253 pango_attr_list_insert(attr_list, attr);
1255 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
1259 gdk_color_free(color);
1263 debug_print("Error generating attribute list.\n");
1268 for (attr_walk = open_attrs; attr_walk != NULL;
1269 attr_walk = attr_walk->next) {
1270 attr = (PangoAttribute*)attr_walk->data;
1271 if (attr->klass->type == PANGO_ATTR_BACKGROUND) {
1272 attr_color = (PangoAttrColor*) attr;
1273 g_object_get(G_OBJECT(tag), "background-gdk",
1275 if (printing_is_pango_gdk_color_equal(&(attr_color->color),
1277 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1278 pango_attr_list_insert(attr_list, attr);
1280 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
1284 gdk_color_free(color);
1288 debug_print("Error generating attribute list.\n");
1293 for (attr_walk = open_attrs; attr_walk != NULL;
1294 attr_walk = attr_walk->next) {
1295 attr = (PangoAttribute*)attr_walk->data;
1296 if (attr->klass->type == PANGO_ATTR_UNDERLINE) {
1297 attr_int = (PangoAttrInt*)attr;
1298 g_object_get(G_OBJECT(tag), "underline",
1300 if (attr_int->value == underline) {
1301 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1302 pango_attr_list_insert(attr_list, attr);
1304 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
1310 debug_print("Error generating attribute list.\n");
1315 for (attr_walk = open_attrs; attr_walk != NULL;
1316 attr_walk = attr_walk->next) {
1317 attr = (PangoAttribute*)attr_walk->data;
1318 if (attr->klass->type == PANGO_ATTR_STRIKETHROUGH) {
1319 attr_int = (PangoAttrInt*)attr;
1320 g_object_get(G_OBJECT(tag), "strikethrough",
1321 &strikethrough, NULL);
1322 if (attr_int->value == strikethrough) {
1323 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1324 pango_attr_list_insert(attr_list, attr);
1326 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
1332 debug_print("Error generating attribute list.\n");
1337 for (attr_walk = open_attrs; attr_walk != NULL;
1338 attr_walk = attr_walk->next) {
1339 attr = (PangoAttribute*)attr_walk->data;
1340 if (attr->klass->type == PANGO_ATTR_WEIGHT) {
1341 attr_int = (PangoAttrInt*)attr;
1342 g_object_get(G_OBJECT(tag), "weight", &weight, NULL);
1343 if (attr_int->value == weight) {
1344 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1345 pango_attr_list_insert(attr_list, attr);
1347 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
1353 debug_print("Error generating attribute list.\n");
1359 if (gtk_text_iter_begins_tag(&iter, NULL)) {
1360 tags = gtk_text_iter_get_toggled_tags(&iter, TRUE);
1361 /* Sometimes, an iter has several weights. Use only the first in this case */
1362 gboolean weight_set_for_this_iter;
1363 weight_set_for_this_iter = FALSE;
1364 for (tag_walk = tags; tag_walk != NULL; tag_walk = tag_walk->next) {
1365 tag = GTK_TEXT_TAG(tag_walk->data);
1366 g_object_get(G_OBJECT(tag),
1367 "background-set", &bg_set,
1368 "foreground-set", &fg_set,
1369 "underline-set", &under_set,
1370 "strikethrough-set", &strike_set,
1371 "weight-set", &weight_set,
1374 g_object_get(G_OBJECT(tag), "foreground-gdk", &color, NULL);
1375 attr = pango_attr_foreground_new(color->red,color->green,color->blue);
1376 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1377 open_attrs = g_slist_prepend(open_attrs, attr);
1380 g_object_get(G_OBJECT(tag), "background-gdk", &color, NULL);
1381 attr = pango_attr_background_new(color->red,color->green,color->blue);
1382 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1383 open_attrs = g_slist_prepend(open_attrs, attr);
1386 g_object_get(G_OBJECT(tag), "underline", &underline, NULL);
1387 attr = pango_attr_underline_new(underline);
1388 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1389 open_attrs = g_slist_prepend(open_attrs, attr);
1392 g_object_get(G_OBJECT(tag), "strikethrough", &strikethrough, NULL);
1393 attr = pango_attr_strikethrough_new(strikethrough);
1394 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1395 open_attrs = g_slist_prepend(open_attrs, attr);
1397 if (weight_set && !weight_set_for_this_iter) {
1398 weight_set_for_this_iter = TRUE;
1399 g_object_get(G_OBJECT(tag), "weight", &weight, NULL);
1400 attr = pango_attr_weight_new(weight);
1401 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1402 open_attrs = g_slist_prepend(open_attrs, attr);
1403 /* Hack to see if the first char is bold -- indicates header */
1404 if (attr->start_index == 0 && weight == PANGO_WEIGHT_BOLD) {
1405 *has_headers = TRUE;
1412 } while(!gtk_text_iter_is_end(&iter) && gtk_text_iter_forward_to_tag_toggle(&iter, NULL));
1414 /* close all open attributes */
1415 for (attr_walk = open_attrs; attr_walk != NULL; attr_walk = attr_walk->next) {
1416 attr = (PangoAttribute*) attr_walk->data;
1417 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1418 pango_attr_list_insert(attr_list, attr);
1420 g_slist_free(open_attrs);
1422 pango_layout_set_attributes(print_data->layout, attr_list);
1423 pango_attr_list_unref(attr_list);
1426 static gboolean printing_is_pango_gdk_color_equal(PangoColor *p, GdkColor *g)
1428 return ((p->red == g->red) && (p->green == g->green) && (p->blue == g->blue));
1431 /* Pango has it's attribute in bytes, but GtkTextIter gets only an offset
1432 * in characters, so here we're returning an offset in bytes.
1434 static gint printing_text_iter_get_offset_bytes(PrintData *print_data, const GtkTextIter *iter)
1441 off_chars = gtk_text_iter_get_offset(iter);
1442 if (print_data->sel_start < 0 || print_data->sel_end <= print_data->sel_start) {
1443 gtk_text_buffer_get_start_iter(gtk_text_iter_get_buffer(iter), &start);
1445 gtk_text_buffer_get_iter_at_offset(gtk_text_iter_get_buffer(iter), &start, print_data->sel_start);
1447 text = gtk_text_iter_get_text(&start, iter);
1448 off_bytes = strlen(text);
1453 static void printing_preview_update_zoom_sensitivity(PreviewData *preview_data)
1455 if((preview_data->print_data->zoom * PREVIEW_ZOOM_FAC) > PREVIEW_ZOOM_MAX)
1456 gtk_widget_set_sensitive(preview_data->zoom_in, FALSE);
1458 gtk_widget_set_sensitive(preview_data->zoom_in, TRUE);
1460 if ((preview_data->print_data->zoom / PREVIEW_ZOOM_FAC) < PREVIEW_ZOOM_MIN)
1461 gtk_widget_set_sensitive(preview_data->zoom_out, FALSE);
1463 gtk_widget_set_sensitive(preview_data->zoom_out, TRUE);
1466 #endif /* GTK+ >= 2.10.0 */