1 /* Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
2 * Copyright (C) 2007-2012 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"
31 #include "prefs_common.h"
33 #include <glib/gi18n.h>
34 #include <gdk/gdkkeysyms.h>
36 #include <pango/pango.h>
41 PrintRenderer *renderer;
42 gpointer renderer_data;
44 PangoContext *pango_context;
57 GtkPrintOperation *op;
58 GtkPrintOperationPreview *preview;
60 GtkWidget *scrolled_window;
62 PrintData *print_data;
63 GtkWidget *page_nr_label;
64 GList *pages_to_print;
78 GtkPrintContext *context;
82 static void printing_textview_cb_begin_print(GtkPrintOperation*,
83 GtkPrintContext*, gpointer);
84 static void printing_textview_cb_draw_page(GtkPrintOperation*,
85 GtkPrintContext*, gint,
87 static gboolean cb_preview(GtkPrintOperation*, GtkPrintOperationPreview*,
88 GtkPrintContext*, GtkWindow*, gpointer);
89 static void cb_preview_destroy(GtkWindow*, gpointer);
90 static gboolean cb_preview_close(GtkWidget*, GdkEventAny*, gpointer);
91 static void cb_preview_size_allocate(GtkWidget*, GtkAllocation*);
92 static void cb_preview_ready(GtkPrintOperationPreview*,
93 GtkPrintContext*, gpointer);
94 #if !GTK_CHECK_VERSION(3, 0, 0)
95 static gboolean cb_preview_expose(GtkWidget*, GdkEventExpose*, gpointer);
97 static gboolean cb_preview_expose(GtkWidget*, cairo_t*, gpointer);
99 static void cb_preview_got_page_size(GtkPrintOperationPreview*,
101 GtkPageSetup*, gpointer);
102 static void cb_preview_go_first(GtkButton*, gpointer);
103 static void cb_preview_go_previous(GtkButton*, gpointer);
104 static void cb_preview_go_next(GtkButton*, gpointer);
105 static void cb_preview_go_last(GtkButton*, gpointer);
106 static void cb_preview_btn_close(GtkButton*, gpointer);
107 static void cb_preview_zoom_100(GtkButton*, gpointer);
108 static void cb_preview_zoom_fit(GtkButton*, gpointer);
109 static void cb_preview_zoom_in(GtkButton*, gpointer);
110 static void cb_preview_zoom_out(GtkButton*, gpointer);
111 static void cb_preview_request_page_setup(GtkPrintOperation*,
113 gint,GtkPageSetup*,gpointer);
115 static void printing_preview_update_zoom_sensitivity(PreviewData*);
118 static GtkPrintSettings *settings = NULL;
119 static GtkPageSetup *page_setup = NULL;
121 /* other static functions */
122 static void printing_layout_set_text_attributes(PrintData*, GtkPrintContext *, gboolean *);
123 static gboolean printing_is_pango_gdk_color_equal(PangoColor*, GdkColor*);
124 static gint printing_text_iter_get_offset_bytes(PrintData *, const GtkTextIter*);
126 #define PAGE_MARGIN_STORAGE_UNIT GTK_UNIT_MM
127 #define PREVIEW_SCALE 72
128 #define PREVIEW_SHADOW_OFFSET 3
129 #define PREVIEW_ZOOM_FAC 1.41
130 #define PREVIEW_ZOOM_MAX 10.
131 #define PREVIEW_ZOOM_MIN 0.2
133 static void free_pixbuf(gpointer key, gpointer value, gpointer data)
135 PangoAttrShape *attr = (PangoAttrShape *) value;
136 g_object_unref(G_OBJECT(attr->data));
139 gpointer printing_get_renderer_data(PrintData *print_data)
143 return print_data->renderer_data;
146 gdouble printing_get_zoom(PrintData *print_data)
150 return print_data->zoom;
153 void printing_set_n_pages(PrintData *print_data, gint n_pages)
157 print_data->npages = n_pages;
160 GtkPrintSettings *printing_get_settings(void)
162 if (settings == NULL) {
163 settings = gtk_print_settings_new();
164 gtk_print_settings_set_use_color(settings, prefs_common.print_use_color);
165 gtk_print_settings_set_collate(settings, prefs_common.print_use_collate);
166 gtk_print_settings_set_reverse(settings, prefs_common.print_use_reverse);
167 gtk_print_settings_set_duplex(settings, prefs_common.print_use_duplex);
172 void printing_store_settings(GtkPrintSettings *new_settings)
174 if (settings != NULL)
175 g_object_unref(settings);
177 settings = g_object_ref(new_settings);
178 prefs_common.print_use_color = gtk_print_settings_get_use_color(settings);
179 prefs_common.print_use_collate = gtk_print_settings_get_collate(settings);
180 prefs_common.print_use_reverse = gtk_print_settings_get_reverse(settings);
181 prefs_common.print_use_duplex = gtk_print_settings_get_duplex(settings);
184 GtkPageSetup *printing_get_page_setup(void)
186 if (page_setup == NULL) {
187 gboolean read_from_file;
188 char *page_setup_filename;
190 gboolean key_file_read;
192 page_setup = gtk_page_setup_new();
194 read_from_file = FALSE;
196 /* try reading the page setup from file */
197 page_setup_filename = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
198 PRINTING_PAGE_SETUP_STORAGE_FILE, NULL);
199 keyfile = g_key_file_new();
200 key_file_read = g_key_file_load_from_file(keyfile, page_setup_filename,
202 g_free(page_setup_filename);
205 read_from_file = gtk_page_setup_load_key_file(page_setup, keyfile,
207 g_key_file_free(keyfile);
209 if (read_from_file) {
210 debug_print("Printing: Read page setup from key file\n");
212 debug_print("Printing: Could not read page setup from key file\n");
215 /* if reading from file did not work, or has not been tried (GTK+ < 2.14), use prefs */
216 if (!read_from_file) {
218 if (prefs_common.print_paper_type &&
219 *prefs_common.print_paper_type) {
220 GtkPaperSize *paper = gtk_paper_size_new(prefs_common.print_paper_type);
221 gtk_page_setup_set_paper_size(page_setup, paper);
222 gtk_paper_size_free(paper);
225 gtk_page_setup_set_orientation(page_setup,
226 prefs_common.print_paper_orientation);
228 if (prefs_common.print_margin_top != -1)
229 gtk_page_setup_set_top_margin(page_setup,
230 0.01*prefs_common.print_margin_top,
231 PAGE_MARGIN_STORAGE_UNIT);
232 if (prefs_common.print_margin_bottom != -1)
233 gtk_page_setup_set_bottom_margin(page_setup,
234 0.01*prefs_common.print_margin_bottom,
235 PAGE_MARGIN_STORAGE_UNIT);
236 if (prefs_common.print_margin_left != -1)
237 gtk_page_setup_set_left_margin(page_setup,
238 0.01*prefs_common.print_margin_left,
239 PAGE_MARGIN_STORAGE_UNIT);
240 if (prefs_common.print_margin_right != -1)
241 gtk_page_setup_set_right_margin(page_setup,
242 0.01*prefs_common.print_margin_right,
243 PAGE_MARGIN_STORAGE_UNIT);
249 void printing_print_full(GtkWindow *parent, PrintRenderer *renderer, gpointer renderer_data,
250 gint sel_start, gint sel_end)
252 GtkPrintOperation *op;
253 GtkPrintOperationResult res;
254 PrintData *print_data;
256 op = gtk_print_operation_new();
258 print_data = g_new0(PrintData,1);
260 print_data->renderer = renderer;
261 print_data->renderer_data = renderer_data;
262 print_data->sel_start = sel_start;
263 print_data->sel_end = sel_end;
265 print_data->zoom = 1.;
267 print_data->images = g_hash_table_new(g_direct_hash, g_direct_equal);
269 print_data->pango_context = renderer->get_pango_context(renderer_data);
271 print_data->to_print = renderer->get_data_to_print(renderer_data, sel_start, sel_end);
273 printing_get_settings();
274 printing_get_page_setup();
276 /* Config for printing */
277 gtk_print_operation_set_print_settings(op, settings);
278 gtk_print_operation_set_default_page_setup(op, page_setup);
279 #if GTK_CHECK_VERSION(2,18,0)
280 /* enable Page Size and Orientation in the print dialog */
281 gtk_print_operation_set_embed_page_setup(op, TRUE);
284 g_signal_connect(op, "begin_print", G_CALLBACK(renderer->cb_begin_print), print_data);
285 g_signal_connect(op, "draw_page", G_CALLBACK(renderer->cb_draw_page), print_data);
286 g_signal_connect(op, "preview", G_CALLBACK(cb_preview), print_data);
288 /* Start printing process */
289 res = gtk_print_operation_run(op, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
292 if (res == GTK_PRINT_OPERATION_RESULT_ERROR) {
293 GError *error = NULL;
294 gtk_print_operation_get_error(op, &error);
295 debug_print("Error printing message: %s\n",
296 error ? error->message : "no details");
297 } else if (res == GTK_PRINT_OPERATION_RESULT_APPLY) {
298 /* store settings for next printing session */
299 printing_store_settings(gtk_print_operation_get_print_settings(op));
302 g_hash_table_foreach(print_data->images, free_pixbuf, NULL);
303 g_hash_table_destroy(print_data->images);
304 if (print_data->to_print)
305 g_free(print_data->to_print);
306 g_list_free(print_data->page_breaks);
307 if (print_data->layout)
308 g_object_unref(print_data->layout);
313 debug_print("printing_print finished\n");
316 static PangoContext *printing_textview_get_pango_context(gpointer data)
318 return gtk_widget_get_pango_context(GTK_WIDGET(data));
321 static gpointer printing_textview_get_data_to_print(gpointer data, gint sel_start, gint sel_end)
323 GtkTextView *text_view = GTK_TEXT_VIEW(data);
324 GtkTextBuffer *buffer = gtk_text_view_get_buffer(text_view);
325 GtkTextIter start, end;
327 if (sel_start < 0 || sel_end <= sel_start) {
328 gtk_text_buffer_get_start_iter(buffer, &start);
329 gtk_text_buffer_get_end_iter(buffer, &end);
331 gtk_text_buffer_get_iter_at_offset(buffer, &start, sel_start);
332 gtk_text_buffer_get_iter_at_offset(buffer, &end, sel_end);
335 return gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
338 void printing_print(GtkTextView *text_view, GtkWindow *parent, gint sel_start, gint sel_end)
340 PrintRenderer *textview_renderer = g_new0(PrintRenderer, 1);
342 textview_renderer->get_pango_context = printing_textview_get_pango_context;
343 textview_renderer->get_data_to_print = printing_textview_get_data_to_print;
344 textview_renderer->cb_begin_print = printing_textview_cb_begin_print;
345 textview_renderer->cb_draw_page = printing_textview_cb_draw_page;
347 printing_print_full(parent, textview_renderer, text_view, sel_start, sel_end);
349 g_free(textview_renderer);
352 void printing_page_setup(GtkWindow *parent)
354 GtkPageSetup *new_page_setup;
359 printing_get_settings();
360 printing_get_page_setup();
362 new_page_setup = gtk_print_run_page_setup_dialog(parent,page_setup,settings);
365 g_object_unref(page_setup);
367 page_setup = new_page_setup;
369 g_free(prefs_common.print_paper_type);
370 prefs_common.print_paper_type = g_strdup(gtk_paper_size_get_name(
371 gtk_page_setup_get_paper_size(page_setup)));
372 prefs_common.print_paper_orientation = gtk_page_setup_get_orientation(page_setup);
373 /* store 100th millimeters */
374 prefs_common.print_margin_top = (int) (100*gtk_page_setup_get_top_margin(page_setup,
375 PAGE_MARGIN_STORAGE_UNIT));
376 prefs_common.print_margin_bottom = (int) (100*gtk_page_setup_get_bottom_margin(page_setup,
377 PAGE_MARGIN_STORAGE_UNIT));
378 prefs_common.print_margin_left = (int) (100*gtk_page_setup_get_left_margin(page_setup,
379 PAGE_MARGIN_STORAGE_UNIT));
380 prefs_common.print_margin_right = (int) (100*gtk_page_setup_get_right_margin(page_setup,
381 PAGE_MARGIN_STORAGE_UNIT));
384 keyfile = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
385 PRINTING_PAGE_SETUP_STORAGE_FILE, NULL);
386 if (!gtk_page_setup_to_file(page_setup, keyfile, NULL)) {
387 debug_print("Printing: Could not store page setup in file `%s'\n", keyfile);
392 static gboolean cb_preview(GtkPrintOperation *operation,
393 GtkPrintOperationPreview *preview,
394 GtkPrintContext *context,
398 PrintData *print_data;
400 PreviewData *preview_data;
406 GtkToolItem *separator;
407 static GdkGeometry geometry;
408 GtkWidget *dialog = NULL;
409 GtkWidget *statusbar = gtk_hbox_new(2, FALSE);
411 debug_print("Creating internal print preview\n");
413 print_data = (PrintData*) data;
415 preview_data = g_new0(PreviewData,1);
416 preview_data->print_data = print_data;
417 preview_data->op = g_object_ref(operation);
418 preview_data->preview = preview;
421 dialog = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "print_preview");
422 preview_data->dialog = dialog;
423 if (!geometry.min_height) {
424 geometry.min_width = 600;
425 geometry.min_height = 400;
427 gtk_window_set_geometry_hints(GTK_WINDOW(dialog), NULL, &geometry,
429 gtk_widget_set_size_request(dialog, prefs_common.print_previewwin_width,
430 prefs_common.print_previewwin_height);
431 gtk_window_set_title(GTK_WINDOW(dialog), _("Print preview"));
434 vbox = gtk_vbox_new(FALSE, 0);
435 gtk_container_add(GTK_CONTAINER(dialog), vbox);
438 toolbar = gtk_toolbar_new();
439 #if (GTK_CHECK_VERSION(2,16,0))
440 gtk_orientable_set_orientation(GTK_ORIENTABLE(toolbar), GTK_ORIENTATION_HORIZONTAL);
442 gtk_toolbar_set_orientation(GTK_TOOLBAR(toolbar), GTK_ORIENTATION_HORIZONTAL);
444 switch (prefs_common.toolbar_style) {
446 gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_ICONS);
449 gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_TEXT);
451 case TOOLBAR_BOTH_HORIZ:
452 gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_BOTH_HORIZ);
456 gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_BOTH);
458 gtk_toolbar_set_show_arrow(GTK_TOOLBAR(toolbar), TRUE);
460 gtk_box_pack_start(GTK_BOX(vbox), toolbar, FALSE, FALSE, 0);
462 #if !(GTK_CHECK_VERSION(2,12,0))
463 #define CLAWS_SET_TOOL_ITEM_TIP(widget,tip) { \
464 gtk_tool_item_set_tooltip(GTK_TOOL_ITEM(widget), GTK_TOOLTIPS(tips), \
468 #define CLAWS_SET_TOOL_ITEM_TIP(widget,tip) { \
469 gtk_tool_item_set_tooltip_text(GTK_TOOL_ITEM(widget), tip); \
473 #define TOOLBAR_ITEM(item,text,tooltip,cb,cbdata) { \
474 item = GTK_WIDGET(gtk_tool_button_new_from_stock(text)); \
475 gtk_tool_item_set_homogeneous(GTK_TOOL_ITEM(item), FALSE); \
476 gtk_tool_item_set_is_important(GTK_TOOL_ITEM(item), TRUE); \
477 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), GTK_TOOL_ITEM(item), -1); \
478 g_signal_connect (G_OBJECT(item), "clicked", G_CALLBACK(cb), cbdata); \
479 CLAWS_SET_TOOL_ITEM_TIP(GTK_TOOL_ITEM(item), \
483 TOOLBAR_ITEM(preview_data->first, GTK_STOCK_GOTO_FIRST,
484 _("First page"), cb_preview_go_first, preview_data);
485 TOOLBAR_ITEM(preview_data->previous, GTK_STOCK_GO_BACK,
486 _("Previous page"), cb_preview_go_previous, preview_data);
488 page = gtk_label_new("");
489 gtk_widget_set_size_request(page, 100, -1);
490 preview_data->page_nr_label = page;
492 TOOLBAR_ITEM(preview_data->next, GTK_STOCK_GO_FORWARD,
493 _("Next page"), cb_preview_go_next, preview_data);
494 TOOLBAR_ITEM(preview_data->last, GTK_STOCK_GOTO_LAST,
495 _("Last page"), cb_preview_go_last, preview_data);
497 separator = gtk_separator_tool_item_new();
498 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), GTK_TOOL_ITEM(separator), -1);
500 TOOLBAR_ITEM(preview_data->zoom_100, GTK_STOCK_ZOOM_100,
501 _("Zoom 100%"), cb_preview_zoom_100, preview_data);
502 TOOLBAR_ITEM(preview_data->zoom_fit, GTK_STOCK_ZOOM_FIT,
503 _("Zoom fit"), cb_preview_zoom_fit, preview_data);
504 TOOLBAR_ITEM(preview_data->zoom_in, GTK_STOCK_ZOOM_IN,
505 _("Zoom in"), cb_preview_zoom_in, preview_data);
506 TOOLBAR_ITEM(preview_data->zoom_out, GTK_STOCK_ZOOM_OUT,
507 _("Zoom out"), cb_preview_zoom_out, preview_data);
509 separator = gtk_separator_tool_item_new();
510 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), GTK_TOOL_ITEM(separator), -1);
512 /* tooltip has to be NULL else it triggers an expose_event */
513 TOOLBAR_ITEM(preview_data->close, GTK_STOCK_CLOSE, NULL,
514 cb_preview_btn_close, preview_data);
516 gtk_widget_show(statusbar);
517 gtk_box_pack_start(GTK_BOX(vbox), statusbar, FALSE, FALSE, 0);
518 gtk_box_pack_start(GTK_BOX(statusbar), page, FALSE, FALSE, 0);
520 sw = gtk_scrolled_window_new(NULL, NULL);
521 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(sw),
522 GTK_POLICY_AUTOMATIC,
523 GTK_POLICY_AUTOMATIC);
524 gtk_box_pack_start(GTK_BOX(vbox), sw, TRUE, TRUE, 0);
525 da = gtk_drawing_area_new();
526 gtk_widget_set_double_buffered(da, FALSE);
527 gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(sw),
529 gtk_widget_realize(da);
530 preview_data->scrolled_window = sw;
531 preview_data->area = da;
534 cr = gdk_cairo_create(gtk_widget_get_window(da));
535 gtk_print_context_set_cairo_context(context, cr, PREVIEW_SCALE, PREVIEW_SCALE);
539 g_signal_connect(dialog, "key_press_event",
540 G_CALLBACK(cb_preview_close), preview_data);
541 g_signal_connect(dialog, "size_allocate",
542 G_CALLBACK(cb_preview_size_allocate), NULL);
543 g_signal_connect(dialog, "destroy",G_CALLBACK(cb_preview_destroy),
545 g_signal_connect(preview, "ready", G_CALLBACK(cb_preview_ready),
547 g_signal_connect(preview, "got-page-size",
548 G_CALLBACK(cb_preview_got_page_size), preview_data);
550 g_signal_connect(operation, "request-page-setup",
551 G_CALLBACK(cb_preview_request_page_setup), preview_data);
553 gtk_widget_show_all(dialog);
557 static void cb_preview_destroy(GtkWindow *window, gpointer data)
559 PreviewData *preview_data;
560 preview_data = (PreviewData*) data;
562 if (preview_data->rendering)
564 debug_print("Preview window destroyed\n");
566 gtk_print_operation_preview_end_preview(preview_data->preview);
567 g_object_unref(preview_data->op);
568 g_list_free(preview_data->pages_to_print);
570 g_free(preview_data);
573 static gboolean cb_preview_close(GtkWidget *widget, GdkEventAny *event,
576 PreviewData *preview_data = (PreviewData *)data;
577 if (event->type == GDK_KEY_PRESS)
578 if (((GdkEventKey *)event)->keyval != GDK_KEY_Escape)
580 if (preview_data->rendering)
582 gtk_widget_destroy(widget);
586 static void cb_preview_size_allocate(GtkWidget *widget,
587 GtkAllocation *allocation)
589 cm_return_if_fail(allocation != NULL);
591 prefs_common.print_previewwin_width = allocation->width;
592 prefs_common.print_previewwin_height = allocation->height;
595 static void cb_preview_ready(GtkPrintOperationPreview *preview,
596 GtkPrintContext *context,
599 PreviewData *preview_data;
601 preview_data = (PreviewData*) data;
602 debug_print("preview_ready %d\n", preview_data->print_data->npages);
604 for (iPage = 0; iPage < (preview_data->print_data->npages); iPage++) {
605 if (gtk_print_operation_preview_is_selected(preview_data->preview, iPage)) {
606 preview_data->pages_to_print =
607 g_list_prepend(preview_data->pages_to_print,
608 GINT_TO_POINTER(iPage));
609 debug_print("want to print page %d\n",iPage+1);
613 preview_data->pages_to_print = g_list_reverse(preview_data->pages_to_print);
614 preview_data->current_page = preview_data->pages_to_print;
615 preview_data->context = context;
617 #if !GTK_CHECK_VERSION(3, 0, 0)
618 g_signal_connect(preview_data->area, "expose_event",
619 G_CALLBACK(cb_preview_expose),
622 g_signal_connect(preview_data->area, "draw",
623 G_CALLBACK(cb_preview_expose),
627 gtk_widget_queue_draw(preview_data->area);
630 static void cb_preview_got_page_size(GtkPrintOperationPreview *preview,
631 GtkPrintContext *context,
632 GtkPageSetup *page_setup,
635 PreviewData *preview_data;
636 GtkPageOrientation orientation;
637 GtkPaperSize *paper_size;
641 preview_data = (PreviewData*) data;
642 debug_print("got_page_size\n");
643 orientation = gtk_page_setup_get_orientation(page_setup);
644 paper_size = gtk_page_setup_get_paper_size(page_setup);
645 paper_width = (gint)(gtk_paper_size_get_width(paper_size, GTK_UNIT_INCH)
647 paper_height = (gint)(gtk_paper_size_get_height(paper_size, GTK_UNIT_INCH)
650 preview_data->page_width = paper_width;
651 preview_data->page_height = paper_height;
653 debug_print("w/h %d/%d\n", paper_width, paper_height);
654 gtk_widget_set_size_request(GTK_WIDGET(preview_data->area),
655 paper_width, paper_height);
658 #if !GTK_CHECK_VERSION(3, 0, 0)
659 static gboolean cb_preview_expose(GtkWidget *widget, GdkEventExpose *event,
662 static gboolean cb_preview_expose(GtkWidget *widget, cairo_t *event,
666 PreviewData *preview_data = data;
667 #if !GTK_CHECK_VERSION(3, 0, 0)
671 debug_print("preview_expose (current %p)\n", preview_data->current_page);
673 #if !GTK_CHECK_VERSION(3, 0, 0)
674 cr = gdk_cairo_create(gtk_widget_get_window(preview_data->area));
678 cairo_set_source_rgb(cr, 0.5, 0.5, 0.5);
679 #if !GTK_CHECK_VERSION(3, 0, 0)
680 cairo_rectangle(cr, event->area.x, event->area.y, event->area.width, event->area.height);
682 cairo_rectangle(cr, 0, 0, event->area.width, event->area.height);
687 cairo_set_source_rgb(cr, 0., 0., 0.);
688 cairo_rectangle(cr, PREVIEW_SHADOW_OFFSET, PREVIEW_SHADOW_OFFSET,
689 preview_data->page_width+PREVIEW_SHADOW_OFFSET,
690 preview_data->page_height+PREVIEW_SHADOW_OFFSET);
694 cairo_set_source_rgb(cr, 1., 1., 1.);
695 cairo_rectangle(cr, 0, 0,
696 preview_data->page_width,
697 preview_data->page_height);
700 gtk_print_context_set_cairo_context(preview_data->context, cr, PREVIEW_SCALE, PREVIEW_SCALE);
701 #if !GTK_CHECK_VERSION(3, 0, 0)
705 if (preview_data->current_page) {
706 preview_data->rendering = TRUE;
707 gtk_widget_set_sensitive(preview_data->close, FALSE);
708 int cur = GPOINTER_TO_INT(preview_data->current_page->data);
710 str = g_strdup_printf(_("Page %d"), cur+1);
711 gtk_label_set_text(GTK_LABEL(preview_data->page_nr_label), str);
713 gtk_print_operation_preview_render_page(preview_data->preview,
715 (preview_data->current_page->data));
717 gtk_widget_set_sensitive(preview_data->first,
718 preview_data->current_page->prev != NULL);
719 gtk_widget_set_sensitive(preview_data->previous,
720 preview_data->current_page->prev != NULL);
721 gtk_widget_set_sensitive(preview_data->next,
722 preview_data->current_page->next != NULL);
723 gtk_widget_set_sensitive(preview_data->last,
724 preview_data->current_page->next != NULL);
725 gtk_widget_set_sensitive(preview_data->close, TRUE);
726 preview_data->rendering = FALSE;
731 static void cb_preview_go_first(GtkButton *button, gpointer data)
733 PreviewData *preview_data = (PreviewData*) data;
734 preview_data->current_page = preview_data->pages_to_print;
735 gtk_widget_queue_draw(preview_data->area);
738 static void cb_preview_go_previous(GtkButton *button, gpointer data)
741 PreviewData *preview_data = (PreviewData*) data;
742 next = g_list_previous(preview_data->current_page);
744 preview_data->current_page = next;
745 gtk_widget_queue_draw(preview_data->area);
748 static void cb_preview_go_next(GtkButton *button, gpointer data)
751 PreviewData *preview_data = (PreviewData*) data;
752 next = g_list_next(preview_data->current_page);
754 preview_data->current_page = next;
755 gtk_widget_queue_draw(preview_data->area);
758 static void cb_preview_go_last(GtkButton *button, gpointer data)
760 PreviewData *preview_data = (PreviewData*) data;
761 preview_data->current_page = g_list_last(preview_data->current_page);
762 gtk_widget_queue_draw(preview_data->area);
765 static void cb_preview_btn_close(GtkButton *button, gpointer data)
767 PreviewData *preview_data = (PreviewData *)data;
768 if (preview_data->rendering)
770 gtk_widget_destroy(preview_data->dialog);
773 static void cb_preview_zoom_100(GtkButton *button, gpointer data)
775 PreviewData *preview_data = (PreviewData*) data;
776 if (preview_data->print_data->zoom != 1.) {
777 preview_data->print_data->zoom = 1.;
778 gtk_widget_queue_draw(preview_data->area);
779 printing_preview_update_zoom_sensitivity(preview_data);
783 static void cb_preview_zoom_fit(GtkButton *button, gpointer data)
785 PreviewData *preview_data = (PreviewData*) data;
786 GtkAllocation allocation;
790 gtk_widget_get_allocation(preview_data->scrolled_window, &allocation);
791 zoom_w = ((gdouble)allocation.width) /
792 ((gdouble)preview_data->page_width/preview_data->print_data->zoom +
793 PREVIEW_SHADOW_OFFSET);
794 zoom_h = ((gdouble)allocation.height) /
795 ((gdouble)preview_data->page_height/preview_data->print_data->zoom +
796 PREVIEW_SHADOW_OFFSET);
798 preview_data->print_data->zoom = MIN(zoom_w,zoom_h) - 0.01;
800 if (preview_data->print_data->zoom > PREVIEW_ZOOM_MAX)
801 preview_data->print_data->zoom = PREVIEW_ZOOM_MAX;
802 else if (preview_data->print_data->zoom < PREVIEW_ZOOM_MIN)
803 preview_data->print_data->zoom = PREVIEW_ZOOM_MIN;
805 printing_preview_update_zoom_sensitivity(preview_data);
806 gtk_widget_queue_draw(preview_data->area);
809 static void cb_preview_zoom_in(GtkButton *button, gpointer data)
811 PreviewData *preview_data = (PreviewData*) data;
813 new_zoom = preview_data->print_data->zoom * PREVIEW_ZOOM_FAC;
814 if (new_zoom <= PREVIEW_ZOOM_MAX) {
815 preview_data->print_data->zoom = new_zoom;
816 printing_preview_update_zoom_sensitivity(preview_data);
817 gtk_widget_queue_draw(preview_data->area);
821 static void cb_preview_zoom_out(GtkButton *button, gpointer data)
823 PreviewData *preview_data = (PreviewData*) data;
825 new_zoom = preview_data->print_data->zoom / PREVIEW_ZOOM_FAC;
826 if (new_zoom >= PREVIEW_ZOOM_MIN) {
827 preview_data->print_data->zoom = new_zoom;
828 printing_preview_update_zoom_sensitivity(preview_data);
829 gtk_widget_queue_draw(preview_data->area);
833 static void cb_preview_request_page_setup(GtkPrintOperation *op,
834 GtkPrintContext *context,
836 GtkPageSetup *setup,gpointer data)
838 GtkPaperSize *paper_size;
839 GtkPaperSize *old_size;
843 gdouble bottom_margin;
845 gdouble right_margin;
847 PreviewData *preview_data = (PreviewData*) data;
849 old_size = gtk_page_setup_get_paper_size(setup);
850 width = gtk_paper_size_get_width(old_size,GTK_UNIT_INCH);
851 height = gtk_paper_size_get_height(old_size,GTK_UNIT_INCH);
853 top_margin = gtk_page_setup_get_top_margin(setup,GTK_UNIT_INCH);
854 bottom_margin = gtk_page_setup_get_bottom_margin(setup,GTK_UNIT_INCH);
855 left_margin = gtk_page_setup_get_left_margin(setup,GTK_UNIT_INCH);
856 right_margin = gtk_page_setup_get_right_margin(setup,GTK_UNIT_INCH);
858 paper_size = gtk_paper_size_new_custom("preview paper", "preview_paper",
859 width*preview_data->print_data->zoom,
860 height*preview_data->print_data->zoom,
862 gtk_page_setup_set_paper_size(setup, paper_size);
863 gtk_paper_size_free(paper_size);
865 gtk_page_setup_set_top_margin(setup,top_margin*preview_data->print_data->zoom,
867 gtk_page_setup_set_bottom_margin(setup,bottom_margin*preview_data->print_data->zoom,
869 gtk_page_setup_set_left_margin(setup,left_margin*preview_data->print_data->zoom,
871 gtk_page_setup_set_right_margin(setup,right_margin*preview_data->print_data->zoom,
875 static void printing_textview_cb_begin_print(GtkPrintOperation *op, GtkPrintContext *context,
878 double width, height;
882 PrintData *print_data;
883 PangoFontDescription *desc;
885 PangoLayoutIter *iter;
888 gint num_header_lines;
890 gboolean header_done;
891 gboolean has_headers = FALSE;
893 double line_height =0.;
895 print_data = (PrintData*) user_data;
897 debug_print("Preparing print job...\n");
899 width = gtk_print_context_get_width(context);
900 height = gtk_print_context_get_height(context);
902 if (print_data->layout == NULL)
903 print_data->layout = gtk_print_context_create_pango_layout(context);
905 if (prefs_common.use_different_print_font)
906 desc = pango_font_description_from_string(prefs_common.printfont);
908 desc = pango_font_description_copy(
909 pango_context_get_font_description(print_data->pango_context));
911 pango_layout_set_font_description(print_data->layout, desc);
912 pango_font_description_free(desc);
914 pango_layout_set_width(print_data->layout, width * PANGO_SCALE);
915 pango_layout_set_text(print_data->layout, (char *)print_data->to_print, -1);
917 printing_layout_set_text_attributes(print_data, context, &has_headers);
919 num_lines = pango_layout_get_line_count(print_data->layout);
926 iter = pango_layout_get_iter(print_data->layout);
928 /* find the last character of the header */
931 text = pango_layout_get_text(print_data->layout);
934 if (text && *text && *text != '\n') {
936 if (text[0] == '\n' && (text[1] != '\0') && (text[1] == '\n'))
941 } while(*text && !header_done);
943 /* find line number for header end */
944 pango_layout_index_to_line_x(print_data->layout, header_end_pos, 1,
945 &num_header_lines, &dummy);
946 /* line count is zero-based */
949 print_data->ypos_line = -1.0;
953 PangoRectangle logical_rect;
954 PangoLayoutLine *line;
955 PangoAttrShape *attr = NULL;
959 line = pango_layout_iter_get_line(iter);
961 pango_layout_iter_get_line_extents(iter, NULL, &logical_rect);
962 baseline = pango_layout_iter_get_baseline(iter);
964 if ((attr = g_hash_table_lookup(print_data->images,
965 GINT_TO_POINTER(pango_layout_iter_get_index(iter)))) != NULL) {
966 line_height = (double)gdk_pixbuf_get_height(GDK_PIXBUF(attr->data));
968 line_height = ((double)logical_rect.height) / PANGO_SCALE;
971 if ((page_height + line_height) > height) {
972 page_breaks = g_list_prepend(page_breaks, GINT_TO_POINTER(ii));
976 if (has_headers && ii == num_header_lines) {
978 pango_layout_iter_get_line_yrange(iter,&y0,&y1);
979 print_data->ypos_line = (double)y0 + 1./3.*((double)(y1 - y0))/2.;
982 page_height += line_height;
984 } while(ii < num_lines && pango_layout_iter_next_line(iter));
985 pango_layout_iter_free(iter);
987 page_breaks = g_list_reverse(page_breaks);
988 print_data->npages = g_list_length(page_breaks) + 1;
989 print_data->page_breaks = page_breaks;
991 gtk_print_operation_set_n_pages(op, print_data->npages);
993 debug_print("Starting print job...\n");
996 static cairo_surface_t *pixbuf_to_surface(GdkPixbuf *pixbuf)
998 cairo_surface_t *surface;
999 cairo_format_t format;
1000 static const cairo_user_data_key_t key;
1001 guchar *pixels = g_malloc(
1003 gdk_pixbuf_get_width(pixbuf)*
1004 gdk_pixbuf_get_height(pixbuf));
1005 guchar *src_pixels = gdk_pixbuf_get_pixels (pixbuf);
1006 gint width = gdk_pixbuf_get_width(pixbuf);
1007 gint height = gdk_pixbuf_get_height(pixbuf);
1008 gint nchans = gdk_pixbuf_get_n_channels (pixbuf);
1009 gint stride = gdk_pixbuf_get_rowstride (pixbuf);
1013 format = CAIRO_FORMAT_RGB24;
1015 format = CAIRO_FORMAT_ARGB32;
1016 surface = cairo_image_surface_create_for_data (pixels,
1017 format, width, height, 4*width);
1018 cairo_surface_set_user_data (surface, &key,
1019 pixels, (cairo_destroy_func_t)g_free);
1021 for (j = height; j; j--) {
1022 guchar *p = src_pixels;
1026 guchar *end = p + 3 * width;
1029 #if G_BYTE_ORDER == G_LITTLE_ENDIAN
1042 guchar *end = p + 4 * width;
1045 #define MULT(d,c,a,t) G_STMT_START { t = c * a + 0x7f; d = ((t >> 8) + t) >> 8; } G_STMT_END
1048 #if G_BYTE_ORDER == G_LITTLE_ENDIAN
1049 MULT(q[0], p[2], p[3], t1);
1050 MULT(q[1], p[1], p[3], t2);
1051 MULT(q[2], p[0], p[3], t3);
1055 MULT(q[1], p[0], p[3], t1);
1056 MULT(q[2], p[1], p[3], t2);
1057 MULT(q[3], p[2], p[3], t3);
1067 src_pixels += stride;
1068 pixels += 4 * width;
1074 static void printing_textview_cb_draw_page(GtkPrintOperation *op, GtkPrintContext *context,
1075 int page_nr, gpointer user_data)
1078 PrintData *print_data;
1081 PangoLayoutIter *iter;
1083 gboolean notlast = TRUE;
1085 print_data = (PrintData*) user_data;
1090 pagebreak = g_list_nth(print_data->page_breaks, page_nr - 1);
1091 start = GPOINTER_TO_INT(pagebreak->data);
1094 pagebreak = g_list_nth(print_data->page_breaks, page_nr);
1095 if (pagebreak == NULL)
1096 end = pango_layout_get_line_count(print_data->layout);
1098 end = GPOINTER_TO_INT(pagebreak->data);
1100 cr = gtk_print_context_get_cairo_context(context);
1101 cairo_scale(cr, print_data->zoom, print_data->zoom);
1102 cairo_set_source_rgb(cr, 0., 0., 0.);
1106 iter = pango_layout_get_iter(print_data->layout);
1108 PangoRectangle logical_rect;
1109 PangoLayoutLine *line;
1110 PangoAttrShape *attr = NULL;
1114 line = pango_layout_iter_get_line(iter);
1116 pango_layout_iter_get_line_extents(iter, NULL, &logical_rect);
1117 baseline = pango_layout_iter_get_baseline(iter);
1120 start_pos = ((double)logical_rect.y) / PANGO_SCALE;
1122 /* Draw header separator line */
1123 if (ii == 0 && print_data->ypos_line >= 0) {
1124 cairo_surface_t *surface;
1125 surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
1126 gtk_print_context_get_width(context)/print_data->zoom,
1127 gtk_print_context_get_height(context)/print_data->zoom);
1128 cairo_set_line_width(cr, .5);
1129 cairo_set_source_surface(cr, surface,
1130 ((double)logical_rect.x) / PANGO_SCALE,
1131 ((double)baseline) / PANGO_SCALE - start_pos);
1132 cairo_move_to(cr, ((double)logical_rect.x) / PANGO_SCALE,
1133 (double)print_data->ypos_line / PANGO_SCALE);
1134 cairo_rel_line_to(cr, gtk_print_context_get_width(context)/print_data->zoom, 0);
1135 cairo_set_source_rgb(cr, 0., 0., 0.);
1137 cairo_surface_destroy(surface);
1141 ((double)logical_rect.x) / PANGO_SCALE,
1142 ((double)baseline) / PANGO_SCALE - start_pos);
1144 if ((attr = g_hash_table_lookup(print_data->images,
1145 GINT_TO_POINTER(pango_layout_iter_get_index(iter)))) != NULL) {
1146 cairo_surface_t *surface;
1148 surface = pixbuf_to_surface(GDK_PIXBUF(attr->data));
1149 cairo_set_source_surface (cr, surface,
1150 ((double)logical_rect.x) / PANGO_SCALE,
1151 ((double)baseline) / PANGO_SCALE - start_pos);
1153 cairo_surface_destroy (surface);
1155 pango_cairo_show_layout_line(cr, line);
1159 } while(ii < end && (notlast = pango_layout_iter_next_line(iter)));
1160 pango_layout_iter_free(iter);
1161 debug_print("Sent page %d to printer\n", page_nr+1);
1164 static void printing_layout_set_text_attributes(PrintData *print_data,
1165 GtkPrintContext *context,
1166 gboolean *has_headers)
1169 PangoAttrList *attr_list;
1170 PangoAttribute *attr;
1171 GSList *open_attrs, *attr_walk;
1172 GtkTextView *text_view = GTK_TEXT_VIEW(print_data->renderer_data);
1173 GtkTextBuffer *buffer = gtk_text_view_get_buffer(text_view);
1175 *has_headers = FALSE;
1177 attr_list = pango_attr_list_new();
1178 if (print_data->sel_start < 0 || print_data->sel_end <= print_data->sel_start) {
1179 gtk_text_buffer_get_start_iter(buffer, &iter);
1181 gtk_text_buffer_get_iter_at_offset(buffer, &iter, print_data->sel_start);
1186 gboolean fg_set, bg_set, under_set, strike_set, weight_set;
1187 GSList *tags, *tag_walk;
1189 GdkColor *color = NULL;
1190 PangoUnderline underline;
1191 gboolean strikethrough;
1195 if (prefs_common.print_imgs && (image = gtk_text_iter_get_pixbuf(&iter)) != NULL) {
1196 PangoRectangle rect = {0, 0, 0, 0};
1197 gint startpos = printing_text_iter_get_offset_bytes(print_data, &iter);
1198 gint h = gdk_pixbuf_get_height(image);
1199 gint w = gdk_pixbuf_get_width(image);
1200 gint a_h = gtk_print_context_get_height(context);
1201 gint a_w = gtk_print_context_get_width(context);
1203 GdkPixbuf *scaled = NULL;
1204 image_viewer_get_resized_size(w, h, a_w, a_h, &r_w, &r_h);
1207 rect.width = r_w * PANGO_SCALE;
1208 rect.height = r_h * PANGO_SCALE;
1210 scaled = gdk_pixbuf_scale_simple(image, r_w, r_h, GDK_INTERP_BILINEAR);
1211 attr = pango_attr_shape_new_with_data (&rect, &rect,
1212 scaled, NULL, NULL);
1213 attr->start_index = startpos;
1214 attr->end_index = startpos+1;
1215 pango_attr_list_insert(attr_list, attr);
1216 g_hash_table_insert(print_data->images, GINT_TO_POINTER(startpos), attr);
1217 print_data->img_cnt++;
1220 if (gtk_text_iter_ends_tag(&iter, NULL)) {
1221 PangoAttrColor *attr_color;
1222 PangoAttrInt *attr_int;
1224 tags = gtk_text_iter_get_toggled_tags(&iter, FALSE);
1225 for (tag_walk = tags; tag_walk != NULL; tag_walk = tag_walk->next) {
1228 tag = GTK_TEXT_TAG(tag_walk->data);
1229 g_object_get(G_OBJECT(tag),
1230 "background-set", &bg_set,
1231 "foreground-set", &fg_set,
1232 "underline-set",&under_set,
1233 "strikethrough-set", &strike_set,
1234 "weight-set", &weight_set,
1239 for (attr_walk = open_attrs; attr_walk != NULL;
1240 attr_walk = attr_walk->next) {
1241 attr = (PangoAttribute*)attr_walk->data;
1242 if (attr->klass->type == PANGO_ATTR_FOREGROUND) {
1243 attr_color = (PangoAttrColor*) attr;
1244 g_object_get(G_OBJECT(tag), "foreground_gdk",
1247 printing_is_pango_gdk_color_equal(&(attr_color->color),
1249 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1250 pango_attr_list_insert(attr_list, attr);
1252 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
1256 gdk_color_free(color);
1260 debug_print("Error generating attribute list.\n");
1265 for (attr_walk = open_attrs; attr_walk != NULL;
1266 attr_walk = attr_walk->next) {
1267 attr = (PangoAttribute*)attr_walk->data;
1268 if (attr->klass->type == PANGO_ATTR_BACKGROUND) {
1269 attr_color = (PangoAttrColor*) attr;
1270 g_object_get(G_OBJECT(tag), "background-gdk",
1272 if (printing_is_pango_gdk_color_equal(&(attr_color->color),
1274 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1275 pango_attr_list_insert(attr_list, attr);
1277 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
1281 gdk_color_free(color);
1285 debug_print("Error generating attribute list.\n");
1290 for (attr_walk = open_attrs; attr_walk != NULL;
1291 attr_walk = attr_walk->next) {
1292 attr = (PangoAttribute*)attr_walk->data;
1293 if (attr->klass->type == PANGO_ATTR_UNDERLINE) {
1294 attr_int = (PangoAttrInt*)attr;
1295 g_object_get(G_OBJECT(tag), "underline",
1297 if (attr_int->value == underline) {
1298 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1299 pango_attr_list_insert(attr_list, attr);
1301 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
1307 debug_print("Error generating attribute list.\n");
1312 for (attr_walk = open_attrs; attr_walk != NULL;
1313 attr_walk = attr_walk->next) {
1314 attr = (PangoAttribute*)attr_walk->data;
1315 if (attr->klass->type == PANGO_ATTR_STRIKETHROUGH) {
1316 attr_int = (PangoAttrInt*)attr;
1317 g_object_get(G_OBJECT(tag), "strikethrough",
1318 &strikethrough, NULL);
1319 if (attr_int->value == strikethrough) {
1320 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1321 pango_attr_list_insert(attr_list, attr);
1323 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
1329 debug_print("Error generating attribute list.\n");
1334 for (attr_walk = open_attrs; attr_walk != NULL;
1335 attr_walk = attr_walk->next) {
1336 attr = (PangoAttribute*)attr_walk->data;
1337 if (attr->klass->type == PANGO_ATTR_WEIGHT) {
1338 attr_int = (PangoAttrInt*)attr;
1339 g_object_get(G_OBJECT(tag), "weight", &weight, NULL);
1340 if (attr_int->value == weight) {
1341 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1342 pango_attr_list_insert(attr_list, attr);
1344 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
1350 debug_print("Error generating attribute list.\n");
1356 if (gtk_text_iter_begins_tag(&iter, NULL)) {
1357 tags = gtk_text_iter_get_toggled_tags(&iter, TRUE);
1358 /* Sometimes, an iter has several weights. Use only the first in this case */
1359 gboolean weight_set_for_this_iter;
1360 weight_set_for_this_iter = FALSE;
1361 for (tag_walk = tags; tag_walk != NULL; tag_walk = tag_walk->next) {
1362 tag = GTK_TEXT_TAG(tag_walk->data);
1363 g_object_get(G_OBJECT(tag),
1364 "background-set", &bg_set,
1365 "foreground-set", &fg_set,
1366 "underline-set", &under_set,
1367 "strikethrough-set", &strike_set,
1368 "weight-set", &weight_set,
1371 g_object_get(G_OBJECT(tag), "foreground-gdk", &color, NULL);
1372 attr = pango_attr_foreground_new(color->red,color->green,color->blue);
1373 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1374 open_attrs = g_slist_prepend(open_attrs, attr);
1377 g_object_get(G_OBJECT(tag), "background-gdk", &color, NULL);
1378 attr = pango_attr_background_new(color->red,color->green,color->blue);
1379 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1380 open_attrs = g_slist_prepend(open_attrs, attr);
1383 g_object_get(G_OBJECT(tag), "underline", &underline, NULL);
1384 attr = pango_attr_underline_new(underline);
1385 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1386 open_attrs = g_slist_prepend(open_attrs, attr);
1389 g_object_get(G_OBJECT(tag), "strikethrough", &strikethrough, NULL);
1390 attr = pango_attr_strikethrough_new(strikethrough);
1391 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1392 open_attrs = g_slist_prepend(open_attrs, attr);
1394 if (weight_set && !weight_set_for_this_iter) {
1395 weight_set_for_this_iter = TRUE;
1396 g_object_get(G_OBJECT(tag), "weight", &weight, NULL);
1397 attr = pango_attr_weight_new(weight);
1398 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1399 open_attrs = g_slist_prepend(open_attrs, attr);
1400 /* Hack to see if the first char is bold -- indicates header */
1401 if (attr->start_index == 0 && weight == PANGO_WEIGHT_BOLD) {
1402 *has_headers = TRUE;
1409 } while(!gtk_text_iter_is_end(&iter) && gtk_text_iter_forward_to_tag_toggle(&iter, NULL));
1411 /* close all open attributes */
1412 for (attr_walk = open_attrs; attr_walk != NULL; attr_walk = attr_walk->next) {
1413 attr = (PangoAttribute*) attr_walk->data;
1414 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1415 pango_attr_list_insert(attr_list, attr);
1417 g_slist_free(open_attrs);
1419 pango_layout_set_attributes(print_data->layout, attr_list);
1420 pango_attr_list_unref(attr_list);
1423 static gboolean printing_is_pango_gdk_color_equal(PangoColor *p, GdkColor *g)
1425 return ((p->red == g->red) && (p->green == g->green) && (p->blue == g->blue));
1428 /* Pango has it's attribute in bytes, but GtkTextIter gets only an offset
1429 * in characters, so here we're returning an offset in bytes.
1431 static gint printing_text_iter_get_offset_bytes(PrintData *print_data, const GtkTextIter *iter)
1438 off_chars = gtk_text_iter_get_offset(iter);
1439 if (print_data->sel_start < 0 || print_data->sel_end <= print_data->sel_start) {
1440 gtk_text_buffer_get_start_iter(gtk_text_iter_get_buffer(iter), &start);
1442 gtk_text_buffer_get_iter_at_offset(gtk_text_iter_get_buffer(iter), &start, print_data->sel_start);
1444 text = gtk_text_iter_get_text(&start, iter);
1445 off_bytes = strlen(text);
1450 static void printing_preview_update_zoom_sensitivity(PreviewData *preview_data)
1452 if((preview_data->print_data->zoom * PREVIEW_ZOOM_FAC) > PREVIEW_ZOOM_MAX)
1453 gtk_widget_set_sensitive(preview_data->zoom_in, FALSE);
1455 gtk_widget_set_sensitive(preview_data->zoom_in, TRUE);
1457 if ((preview_data->print_data->zoom / PREVIEW_ZOOM_FAC) < PREVIEW_ZOOM_MIN)
1458 gtk_widget_set_sensitive(preview_data->zoom_out, FALSE);
1460 gtk_widget_set_sensitive(preview_data->zoom_out, TRUE);