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/>.
22 #include "claws-features.h"
28 #include "image_viewer.h"
32 #include "prefs_common.h"
34 #include <glib/gi18n.h>
35 #include <gdk/gdkkeysyms.h>
37 #include <pango/pango.h>
42 PrintRenderer *renderer;
43 gpointer renderer_data;
45 PangoContext *pango_context;
58 GtkPrintOperation *op;
59 GtkPrintOperationPreview *preview;
61 GtkWidget *scrolled_window;
63 PrintData *print_data;
64 GtkWidget *page_nr_label;
65 GList *pages_to_print;
79 GtkPrintContext *context;
83 static void printing_textview_cb_begin_print(GtkPrintOperation*,
84 GtkPrintContext*, gpointer);
85 static void printing_textview_cb_draw_page(GtkPrintOperation*,
86 GtkPrintContext*, gint,
88 static gboolean cb_preview(GtkPrintOperation*, GtkPrintOperationPreview*,
89 GtkPrintContext*, GtkWindow*, gpointer);
90 static void cb_preview_destroy(GtkWindow*, gpointer);
91 static gboolean cb_preview_close(GtkWidget*, GdkEventAny*, gpointer);
92 static void cb_preview_size_allocate(GtkWidget*, GtkAllocation*);
93 static void cb_preview_ready(GtkPrintOperationPreview*,
94 GtkPrintContext*, gpointer);
95 #if !GTK_CHECK_VERSION(3, 0, 0)
96 static gboolean cb_preview_expose(GtkWidget*, GdkEventExpose*, gpointer);
98 static gboolean cb_preview_expose(GtkWidget*, cairo_t*, gpointer);
100 static void cb_preview_got_page_size(GtkPrintOperationPreview*,
102 GtkPageSetup*, gpointer);
103 static void cb_preview_go_first(GtkButton*, gpointer);
104 static void cb_preview_go_previous(GtkButton*, gpointer);
105 static void cb_preview_go_next(GtkButton*, gpointer);
106 static void cb_preview_go_last(GtkButton*, gpointer);
107 static void cb_preview_btn_close(GtkButton*, gpointer);
108 static void cb_preview_zoom_100(GtkButton*, gpointer);
109 static void cb_preview_zoom_fit(GtkButton*, gpointer);
110 static void cb_preview_zoom_in(GtkButton*, gpointer);
111 static void cb_preview_zoom_out(GtkButton*, gpointer);
112 static void cb_preview_request_page_setup(GtkPrintOperation*,
114 gint,GtkPageSetup*,gpointer);
116 static void printing_preview_update_zoom_sensitivity(PreviewData*);
119 static GtkPrintSettings *settings = NULL;
120 static GtkPageSetup *page_setup = NULL;
122 /* other static functions */
123 static void printing_layout_set_text_attributes(PrintData*, GtkPrintContext *, gboolean *);
124 static gboolean printing_is_pango_gdk_color_equal(PangoColor*, GdkColor*);
125 static gint printing_text_iter_get_offset_bytes(PrintData *, const GtkTextIter*);
127 #define PAGE_MARGIN_STORAGE_UNIT GTK_UNIT_MM
128 #define PREVIEW_SCALE 72
129 #define PREVIEW_SHADOW_OFFSET 3
130 #define PREVIEW_ZOOM_FAC 1.41
131 #define PREVIEW_ZOOM_MAX 10.
132 #define PREVIEW_ZOOM_MIN 0.2
134 static void free_pixbuf(gpointer key, gpointer value, gpointer data)
136 PangoAttrShape *attr = (PangoAttrShape *) value;
137 g_object_unref(G_OBJECT(attr->data));
140 gpointer printing_get_renderer_data(PrintData *print_data)
144 return print_data->renderer_data;
147 gdouble printing_get_zoom(PrintData *print_data)
151 return print_data->zoom;
154 void printing_set_n_pages(PrintData *print_data, gint n_pages)
158 print_data->npages = n_pages;
161 GtkPrintSettings *printing_get_settings(void)
163 if (settings == NULL) {
164 settings = gtk_print_settings_new();
165 gtk_print_settings_set_use_color(settings, prefs_common.print_use_color);
166 gtk_print_settings_set_collate(settings, prefs_common.print_use_collate);
167 gtk_print_settings_set_reverse(settings, prefs_common.print_use_reverse);
168 gtk_print_settings_set_duplex(settings, prefs_common.print_use_duplex);
173 void printing_store_settings(GtkPrintSettings *new_settings)
175 if (settings != NULL)
176 g_object_unref(settings);
178 settings = g_object_ref(new_settings);
179 prefs_common.print_use_color = gtk_print_settings_get_use_color(settings);
180 prefs_common.print_use_collate = gtk_print_settings_get_collate(settings);
181 prefs_common.print_use_reverse = gtk_print_settings_get_reverse(settings);
182 prefs_common.print_use_duplex = gtk_print_settings_get_duplex(settings);
185 GtkPageSetup *printing_get_page_setup(void)
187 if (page_setup == NULL) {
188 gboolean read_from_file;
189 char *page_setup_filename;
191 gboolean key_file_read;
193 page_setup = gtk_page_setup_new();
195 read_from_file = FALSE;
197 /* try reading the page setup from file */
198 page_setup_filename = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
199 PRINTING_PAGE_SETUP_STORAGE_FILE, NULL);
200 keyfile = g_key_file_new();
201 key_file_read = g_key_file_load_from_file(keyfile, page_setup_filename,
203 g_free(page_setup_filename);
206 read_from_file = gtk_page_setup_load_key_file(page_setup, keyfile,
208 g_key_file_free(keyfile);
210 if (read_from_file) {
211 debug_print("Printing: Read page setup from key file\n");
213 debug_print("Printing: Could not read page setup from key file\n");
216 /* if reading from file did not work, or has not been tried (GTK+ < 2.14), use prefs */
217 if (!read_from_file) {
219 if (prefs_common.print_paper_type &&
220 *prefs_common.print_paper_type) {
221 GtkPaperSize *paper = gtk_paper_size_new(prefs_common.print_paper_type);
222 gtk_page_setup_set_paper_size(page_setup, paper);
223 gtk_paper_size_free(paper);
226 gtk_page_setup_set_orientation(page_setup,
227 prefs_common.print_paper_orientation);
229 if (prefs_common.print_margin_top != -1)
230 gtk_page_setup_set_top_margin(page_setup,
231 0.01*prefs_common.print_margin_top,
232 PAGE_MARGIN_STORAGE_UNIT);
233 if (prefs_common.print_margin_bottom != -1)
234 gtk_page_setup_set_bottom_margin(page_setup,
235 0.01*prefs_common.print_margin_bottom,
236 PAGE_MARGIN_STORAGE_UNIT);
237 if (prefs_common.print_margin_left != -1)
238 gtk_page_setup_set_left_margin(page_setup,
239 0.01*prefs_common.print_margin_left,
240 PAGE_MARGIN_STORAGE_UNIT);
241 if (prefs_common.print_margin_right != -1)
242 gtk_page_setup_set_right_margin(page_setup,
243 0.01*prefs_common.print_margin_right,
244 PAGE_MARGIN_STORAGE_UNIT);
250 void printing_print_full(GtkWindow *parent, PrintRenderer *renderer, gpointer renderer_data,
251 gint sel_start, gint sel_end)
253 GtkPrintOperation *op;
254 GtkPrintOperationResult res;
255 PrintData *print_data;
257 op = gtk_print_operation_new();
259 print_data = g_new0(PrintData,1);
261 print_data->renderer = renderer;
262 print_data->renderer_data = renderer_data;
263 print_data->sel_start = sel_start;
264 print_data->sel_end = sel_end;
266 print_data->zoom = 1.;
268 print_data->images = g_hash_table_new(g_direct_hash, g_direct_equal);
270 print_data->pango_context = renderer->get_pango_context(renderer_data);
272 print_data->to_print = renderer->get_data_to_print(renderer_data, sel_start, sel_end);
274 printing_get_settings();
275 printing_get_page_setup();
277 /* Config for printing */
278 gtk_print_operation_set_print_settings(op, settings);
279 gtk_print_operation_set_default_page_setup(op, page_setup);
280 #if GTK_CHECK_VERSION(2,18,0)
281 /* enable Page Size and Orientation in the print dialog */
282 gtk_print_operation_set_embed_page_setup(op, TRUE);
285 g_signal_connect(op, "begin_print", G_CALLBACK(renderer->cb_begin_print), print_data);
286 g_signal_connect(op, "draw_page", G_CALLBACK(renderer->cb_draw_page), print_data);
287 g_signal_connect(op, "preview", G_CALLBACK(cb_preview), print_data);
289 /* Start printing process */
290 res = gtk_print_operation_run(op, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
293 if (res == GTK_PRINT_OPERATION_RESULT_ERROR) {
294 GError *error = NULL;
295 gtk_print_operation_get_error(op, &error);
296 debug_print("Error printing message: %s\n",
297 error ? error->message : "no details");
298 } else if (res == GTK_PRINT_OPERATION_RESULT_APPLY) {
299 /* store settings for next printing session */
300 printing_store_settings(gtk_print_operation_get_print_settings(op));
303 g_hash_table_foreach(print_data->images, free_pixbuf, NULL);
304 g_hash_table_destroy(print_data->images);
305 if (print_data->to_print)
306 g_free(print_data->to_print);
307 g_list_free(print_data->page_breaks);
308 if (print_data->layout)
309 g_object_unref(print_data->layout);
314 debug_print("printing_print finished\n");
317 static PangoContext *printing_textview_get_pango_context(gpointer data)
319 return gtk_widget_get_pango_context(GTK_WIDGET(data));
322 static gpointer printing_textview_get_data_to_print(gpointer data, gint sel_start, gint sel_end)
324 GtkTextView *text_view = GTK_TEXT_VIEW(data);
325 GtkTextBuffer *buffer = gtk_text_view_get_buffer(text_view);
326 GtkTextIter start, end;
328 if (sel_start < 0 || sel_end <= sel_start) {
329 gtk_text_buffer_get_start_iter(buffer, &start);
330 gtk_text_buffer_get_end_iter(buffer, &end);
332 gtk_text_buffer_get_iter_at_offset(buffer, &start, sel_start);
333 gtk_text_buffer_get_iter_at_offset(buffer, &end, sel_end);
336 return gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
339 void printing_print(GtkTextView *text_view, GtkWindow *parent, gint sel_start, gint sel_end)
341 PrintRenderer *textview_renderer = g_new0(PrintRenderer, 1);
343 textview_renderer->get_pango_context = printing_textview_get_pango_context;
344 textview_renderer->get_data_to_print = printing_textview_get_data_to_print;
345 textview_renderer->cb_begin_print = printing_textview_cb_begin_print;
346 textview_renderer->cb_draw_page = printing_textview_cb_draw_page;
348 printing_print_full(parent, textview_renderer, text_view, sel_start, sel_end);
350 g_free(textview_renderer);
353 void printing_page_setup(GtkWindow *parent)
355 GtkPageSetup *new_page_setup;
360 printing_get_settings();
361 printing_get_page_setup();
363 new_page_setup = gtk_print_run_page_setup_dialog(parent,page_setup,settings);
366 g_object_unref(page_setup);
368 page_setup = new_page_setup;
370 g_free(prefs_common.print_paper_type);
371 prefs_common.print_paper_type = g_strdup(gtk_paper_size_get_name(
372 gtk_page_setup_get_paper_size(page_setup)));
373 prefs_common.print_paper_orientation = gtk_page_setup_get_orientation(page_setup);
374 /* store 100th millimeters */
375 prefs_common.print_margin_top = (int) (100*gtk_page_setup_get_top_margin(page_setup,
376 PAGE_MARGIN_STORAGE_UNIT));
377 prefs_common.print_margin_bottom = (int) (100*gtk_page_setup_get_bottom_margin(page_setup,
378 PAGE_MARGIN_STORAGE_UNIT));
379 prefs_common.print_margin_left = (int) (100*gtk_page_setup_get_left_margin(page_setup,
380 PAGE_MARGIN_STORAGE_UNIT));
381 prefs_common.print_margin_right = (int) (100*gtk_page_setup_get_right_margin(page_setup,
382 PAGE_MARGIN_STORAGE_UNIT));
385 keyfile = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
386 PRINTING_PAGE_SETUP_STORAGE_FILE, NULL);
387 if (!gtk_page_setup_to_file(page_setup, keyfile, NULL)) {
388 debug_print("Printing: Could not store page setup in file `%s'\n", keyfile);
393 static gboolean cb_preview(GtkPrintOperation *operation,
394 GtkPrintOperationPreview *preview,
395 GtkPrintContext *context,
399 PrintData *print_data;
401 PreviewData *preview_data;
407 GtkToolItem *separator;
408 static GdkGeometry geometry;
409 GtkWidget *dialog = NULL;
410 GtkWidget *statusbar = gtk_hbox_new(2, FALSE);
412 debug_print("Creating internal print preview\n");
414 print_data = (PrintData*) data;
416 preview_data = g_new0(PreviewData,1);
417 preview_data->print_data = print_data;
418 preview_data->op = g_object_ref(operation);
419 preview_data->preview = preview;
422 dialog = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "print_preview");
423 preview_data->dialog = dialog;
424 if (!geometry.min_height) {
425 geometry.min_width = 600;
426 geometry.min_height = 400;
428 gtk_window_set_geometry_hints(GTK_WINDOW(dialog), NULL, &geometry,
430 gtk_widget_set_size_request(dialog, prefs_common.print_previewwin_width,
431 prefs_common.print_previewwin_height);
432 gtk_window_set_title(GTK_WINDOW(dialog), _("Print preview"));
435 vbox = gtk_vbox_new(FALSE, 0);
436 gtk_container_add(GTK_CONTAINER(dialog), vbox);
439 toolbar = gtk_toolbar_new();
440 #if (GTK_CHECK_VERSION(2,16,0))
441 gtk_orientable_set_orientation(GTK_ORIENTABLE(toolbar), GTK_ORIENTATION_HORIZONTAL);
443 gtk_toolbar_set_orientation(GTK_TOOLBAR(toolbar), GTK_ORIENTATION_HORIZONTAL);
445 switch (prefs_common.toolbar_style) {
447 gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_ICONS);
450 gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_TEXT);
452 case TOOLBAR_BOTH_HORIZ:
453 gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_BOTH_HORIZ);
457 gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_BOTH);
459 gtk_toolbar_set_show_arrow(GTK_TOOLBAR(toolbar), TRUE);
461 gtk_box_pack_start(GTK_BOX(vbox), toolbar, FALSE, FALSE, 0);
463 #if !(GTK_CHECK_VERSION(2,12,0))
464 #define CLAWS_SET_TOOL_ITEM_TIP(widget,tip) { \
465 gtk_tool_item_set_tooltip(GTK_TOOL_ITEM(widget), GTK_TOOLTIPS(tips), \
469 #define CLAWS_SET_TOOL_ITEM_TIP(widget,tip) { \
470 gtk_tool_item_set_tooltip_text(GTK_TOOL_ITEM(widget), tip); \
474 #define TOOLBAR_ITEM(item,text,tooltip,cb,cbdata) { \
475 item = GTK_WIDGET(gtk_tool_button_new_from_stock(text)); \
476 gtk_tool_item_set_homogeneous(GTK_TOOL_ITEM(item), FALSE); \
477 gtk_tool_item_set_is_important(GTK_TOOL_ITEM(item), TRUE); \
478 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), GTK_TOOL_ITEM(item), -1); \
479 g_signal_connect (G_OBJECT(item), "clicked", G_CALLBACK(cb), cbdata); \
480 CLAWS_SET_TOOL_ITEM_TIP(GTK_TOOL_ITEM(item), \
484 TOOLBAR_ITEM(preview_data->first, GTK_STOCK_GOTO_FIRST,
485 _("First page"), cb_preview_go_first, preview_data);
486 TOOLBAR_ITEM(preview_data->previous, GTK_STOCK_GO_BACK,
487 _("Previous page"), cb_preview_go_previous, preview_data);
489 page = gtk_label_new("");
490 gtk_widget_set_size_request(page, 100, -1);
491 preview_data->page_nr_label = page;
493 TOOLBAR_ITEM(preview_data->next, GTK_STOCK_GO_FORWARD,
494 _("Next page"), cb_preview_go_next, preview_data);
495 TOOLBAR_ITEM(preview_data->last, GTK_STOCK_GOTO_LAST,
496 _("Last page"), cb_preview_go_last, preview_data);
498 separator = gtk_separator_tool_item_new();
499 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), GTK_TOOL_ITEM(separator), -1);
501 TOOLBAR_ITEM(preview_data->zoom_100, GTK_STOCK_ZOOM_100,
502 _("Zoom 100%"), cb_preview_zoom_100, preview_data);
503 TOOLBAR_ITEM(preview_data->zoom_fit, GTK_STOCK_ZOOM_FIT,
504 _("Zoom fit"), cb_preview_zoom_fit, preview_data);
505 TOOLBAR_ITEM(preview_data->zoom_in, GTK_STOCK_ZOOM_IN,
506 _("Zoom in"), cb_preview_zoom_in, preview_data);
507 TOOLBAR_ITEM(preview_data->zoom_out, GTK_STOCK_ZOOM_OUT,
508 _("Zoom out"), cb_preview_zoom_out, preview_data);
510 separator = gtk_separator_tool_item_new();
511 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), GTK_TOOL_ITEM(separator), -1);
513 /* tooltip has to be NULL else it triggers an expose_event */
514 TOOLBAR_ITEM(preview_data->close, GTK_STOCK_CLOSE, NULL,
515 cb_preview_btn_close, preview_data);
517 gtk_widget_show(statusbar);
518 gtk_box_pack_start(GTK_BOX(vbox), statusbar, FALSE, FALSE, 0);
519 gtk_box_pack_start(GTK_BOX(statusbar), page, FALSE, FALSE, 0);
521 sw = gtk_scrolled_window_new(NULL, NULL);
522 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(sw),
523 GTK_POLICY_AUTOMATIC,
524 GTK_POLICY_AUTOMATIC);
525 gtk_box_pack_start(GTK_BOX(vbox), sw, TRUE, TRUE, 0);
526 da = gtk_drawing_area_new();
527 gtk_widget_set_double_buffered(da, FALSE);
528 gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(sw),
530 gtk_widget_realize(da);
531 preview_data->scrolled_window = sw;
532 preview_data->area = da;
535 cr = gdk_cairo_create(gtk_widget_get_window(da));
536 gtk_print_context_set_cairo_context(context, cr, PREVIEW_SCALE, PREVIEW_SCALE);
540 g_signal_connect(dialog, "key_press_event",
541 G_CALLBACK(cb_preview_close), preview_data);
542 g_signal_connect(dialog, "size_allocate",
543 G_CALLBACK(cb_preview_size_allocate), NULL);
544 g_signal_connect(dialog, "destroy",G_CALLBACK(cb_preview_destroy),
546 g_signal_connect(preview, "ready", G_CALLBACK(cb_preview_ready),
548 g_signal_connect(preview, "got-page-size",
549 G_CALLBACK(cb_preview_got_page_size), preview_data);
551 g_signal_connect(operation, "request-page-setup",
552 G_CALLBACK(cb_preview_request_page_setup), preview_data);
554 gtk_widget_show_all(dialog);
558 static void cb_preview_destroy(GtkWindow *window, gpointer data)
560 PreviewData *preview_data;
561 preview_data = (PreviewData*) data;
563 if (preview_data->rendering)
565 debug_print("Preview window destroyed\n");
567 gtk_print_operation_preview_end_preview(preview_data->preview);
568 g_object_unref(preview_data->op);
569 g_list_free(preview_data->pages_to_print);
571 g_free(preview_data);
574 static gboolean cb_preview_close(GtkWidget *widget, GdkEventAny *event,
577 PreviewData *preview_data = (PreviewData *)data;
578 if (event->type == GDK_KEY_PRESS)
579 if (((GdkEventKey *)event)->keyval != GDK_KEY_Escape)
581 if (preview_data->rendering)
583 gtk_widget_destroy(widget);
587 static void cb_preview_size_allocate(GtkWidget *widget,
588 GtkAllocation *allocation)
590 cm_return_if_fail(allocation != NULL);
592 prefs_common.print_previewwin_width = allocation->width;
593 prefs_common.print_previewwin_height = allocation->height;
596 static void cb_preview_ready(GtkPrintOperationPreview *preview,
597 GtkPrintContext *context,
600 PreviewData *preview_data;
602 preview_data = (PreviewData*) data;
603 debug_print("preview_ready %d\n", preview_data->print_data->npages);
605 for (iPage = 0; iPage < (preview_data->print_data->npages); iPage++) {
606 if (gtk_print_operation_preview_is_selected(preview_data->preview, iPage)) {
607 preview_data->pages_to_print =
608 g_list_prepend(preview_data->pages_to_print,
609 GINT_TO_POINTER(iPage));
610 debug_print("want to print page %d\n",iPage+1);
614 preview_data->pages_to_print = g_list_reverse(preview_data->pages_to_print);
615 preview_data->current_page = preview_data->pages_to_print;
616 preview_data->context = context;
618 #if !GTK_CHECK_VERSION(3, 0, 0)
619 g_signal_connect(preview_data->area, "expose_event",
620 G_CALLBACK(cb_preview_expose),
623 g_signal_connect(preview_data->area, "draw",
624 G_CALLBACK(cb_preview_expose),
628 gtk_widget_queue_draw(preview_data->area);
631 static void cb_preview_got_page_size(GtkPrintOperationPreview *preview,
632 GtkPrintContext *context,
633 GtkPageSetup *page_setup,
636 PreviewData *preview_data;
637 GtkPageOrientation orientation;
638 GtkPaperSize *paper_size;
642 preview_data = (PreviewData*) data;
643 debug_print("got_page_size\n");
644 orientation = gtk_page_setup_get_orientation(page_setup);
645 paper_size = gtk_page_setup_get_paper_size(page_setup);
646 paper_width = (gint)(gtk_paper_size_get_width(paper_size, GTK_UNIT_INCH)
648 paper_height = (gint)(gtk_paper_size_get_height(paper_size, GTK_UNIT_INCH)
651 preview_data->page_width = paper_width;
652 preview_data->page_height = paper_height;
654 debug_print("w/h %d/%d\n", paper_width, paper_height);
655 gtk_widget_set_size_request(GTK_WIDGET(preview_data->area),
656 paper_width, paper_height);
659 #if !GTK_CHECK_VERSION(3, 0, 0)
660 static gboolean cb_preview_expose(GtkWidget *widget, GdkEventExpose *event,
663 static gboolean cb_preview_expose(GtkWidget *widget, cairo_t *event,
667 PreviewData *preview_data = data;
668 #if !GTK_CHECK_VERSION(3, 0, 0)
672 debug_print("preview_expose (current %p)\n", preview_data->current_page);
674 #if !GTK_CHECK_VERSION(3, 0, 0)
675 cr = gdk_cairo_create(gtk_widget_get_window(preview_data->area));
679 cairo_set_source_rgb(cr, 0.5, 0.5, 0.5);
680 #if !GTK_CHECK_VERSION(3, 0, 0)
681 cairo_rectangle(cr, event->area.x, event->area.y, event->area.width, event->area.height);
683 cairo_rectangle(cr, 0, 0, event->area.width, event->area.height);
688 cairo_set_source_rgb(cr, 0., 0., 0.);
689 cairo_rectangle(cr, PREVIEW_SHADOW_OFFSET, PREVIEW_SHADOW_OFFSET,
690 preview_data->page_width+PREVIEW_SHADOW_OFFSET,
691 preview_data->page_height+PREVIEW_SHADOW_OFFSET);
695 cairo_set_source_rgb(cr, 1., 1., 1.);
696 cairo_rectangle(cr, 0, 0,
697 preview_data->page_width,
698 preview_data->page_height);
701 gtk_print_context_set_cairo_context(preview_data->context, cr, PREVIEW_SCALE, PREVIEW_SCALE);
702 #if !GTK_CHECK_VERSION(3, 0, 0)
706 if (preview_data->current_page) {
707 preview_data->rendering = TRUE;
708 gtk_widget_set_sensitive(preview_data->close, FALSE);
709 int cur = GPOINTER_TO_INT(preview_data->current_page->data);
711 str = g_strdup_printf(_("Page %d"), cur+1);
712 gtk_label_set_text(GTK_LABEL(preview_data->page_nr_label), str);
714 gtk_print_operation_preview_render_page(preview_data->preview,
716 (preview_data->current_page->data));
718 gtk_widget_set_sensitive(preview_data->first,
719 preview_data->current_page->prev != NULL);
720 gtk_widget_set_sensitive(preview_data->previous,
721 preview_data->current_page->prev != NULL);
722 gtk_widget_set_sensitive(preview_data->next,
723 preview_data->current_page->next != NULL);
724 gtk_widget_set_sensitive(preview_data->last,
725 preview_data->current_page->next != NULL);
726 gtk_widget_set_sensitive(preview_data->close, TRUE);
727 preview_data->rendering = FALSE;
732 static void cb_preview_go_first(GtkButton *button, gpointer data)
734 PreviewData *preview_data = (PreviewData*) data;
735 preview_data->current_page = preview_data->pages_to_print;
736 gtk_widget_queue_draw(preview_data->area);
739 static void cb_preview_go_previous(GtkButton *button, gpointer data)
742 PreviewData *preview_data = (PreviewData*) data;
743 next = g_list_previous(preview_data->current_page);
745 preview_data->current_page = next;
746 gtk_widget_queue_draw(preview_data->area);
749 static void cb_preview_go_next(GtkButton *button, gpointer data)
752 PreviewData *preview_data = (PreviewData*) data;
753 next = g_list_next(preview_data->current_page);
755 preview_data->current_page = next;
756 gtk_widget_queue_draw(preview_data->area);
759 static void cb_preview_go_last(GtkButton *button, gpointer data)
761 PreviewData *preview_data = (PreviewData*) data;
762 preview_data->current_page = g_list_last(preview_data->current_page);
763 gtk_widget_queue_draw(preview_data->area);
766 static void cb_preview_btn_close(GtkButton *button, gpointer data)
768 PreviewData *preview_data = (PreviewData *)data;
769 if (preview_data->rendering)
771 gtk_widget_destroy(preview_data->dialog);
774 static void cb_preview_zoom_100(GtkButton *button, gpointer data)
776 PreviewData *preview_data = (PreviewData*) data;
777 if (preview_data->print_data->zoom != 1.) {
778 preview_data->print_data->zoom = 1.;
779 gtk_widget_queue_draw(preview_data->area);
780 printing_preview_update_zoom_sensitivity(preview_data);
784 static void cb_preview_zoom_fit(GtkButton *button, gpointer data)
786 PreviewData *preview_data = (PreviewData*) data;
787 GtkAllocation allocation;
791 gtk_widget_get_allocation(preview_data->scrolled_window, &allocation);
792 zoom_w = ((gdouble)allocation.width) /
793 ((gdouble)preview_data->page_width/preview_data->print_data->zoom +
794 PREVIEW_SHADOW_OFFSET);
795 zoom_h = ((gdouble)allocation.height) /
796 ((gdouble)preview_data->page_height/preview_data->print_data->zoom +
797 PREVIEW_SHADOW_OFFSET);
799 preview_data->print_data->zoom = MIN(zoom_w,zoom_h) - 0.01;
801 if (preview_data->print_data->zoom > PREVIEW_ZOOM_MAX)
802 preview_data->print_data->zoom = PREVIEW_ZOOM_MAX;
803 else if (preview_data->print_data->zoom < PREVIEW_ZOOM_MIN)
804 preview_data->print_data->zoom = PREVIEW_ZOOM_MIN;
806 printing_preview_update_zoom_sensitivity(preview_data);
807 gtk_widget_queue_draw(preview_data->area);
810 static void cb_preview_zoom_in(GtkButton *button, gpointer data)
812 PreviewData *preview_data = (PreviewData*) data;
814 new_zoom = preview_data->print_data->zoom * PREVIEW_ZOOM_FAC;
815 if (new_zoom <= PREVIEW_ZOOM_MAX) {
816 preview_data->print_data->zoom = new_zoom;
817 printing_preview_update_zoom_sensitivity(preview_data);
818 gtk_widget_queue_draw(preview_data->area);
822 static void cb_preview_zoom_out(GtkButton *button, gpointer data)
824 PreviewData *preview_data = (PreviewData*) data;
826 new_zoom = preview_data->print_data->zoom / PREVIEW_ZOOM_FAC;
827 if (new_zoom >= PREVIEW_ZOOM_MIN) {
828 preview_data->print_data->zoom = new_zoom;
829 printing_preview_update_zoom_sensitivity(preview_data);
830 gtk_widget_queue_draw(preview_data->area);
834 static void cb_preview_request_page_setup(GtkPrintOperation *op,
835 GtkPrintContext *context,
837 GtkPageSetup *setup,gpointer data)
839 GtkPaperSize *paper_size;
840 GtkPaperSize *old_size;
844 gdouble bottom_margin;
846 gdouble right_margin;
848 PreviewData *preview_data = (PreviewData*) data;
850 old_size = gtk_page_setup_get_paper_size(setup);
851 width = gtk_paper_size_get_width(old_size,GTK_UNIT_INCH);
852 height = gtk_paper_size_get_height(old_size,GTK_UNIT_INCH);
854 top_margin = gtk_page_setup_get_top_margin(setup,GTK_UNIT_INCH);
855 bottom_margin = gtk_page_setup_get_bottom_margin(setup,GTK_UNIT_INCH);
856 left_margin = gtk_page_setup_get_left_margin(setup,GTK_UNIT_INCH);
857 right_margin = gtk_page_setup_get_right_margin(setup,GTK_UNIT_INCH);
859 paper_size = gtk_paper_size_new_custom("preview paper", "preview_paper",
860 width*preview_data->print_data->zoom,
861 height*preview_data->print_data->zoom,
863 gtk_page_setup_set_paper_size(setup, paper_size);
864 gtk_paper_size_free(paper_size);
866 gtk_page_setup_set_top_margin(setup,top_margin*preview_data->print_data->zoom,
868 gtk_page_setup_set_bottom_margin(setup,bottom_margin*preview_data->print_data->zoom,
870 gtk_page_setup_set_left_margin(setup,left_margin*preview_data->print_data->zoom,
872 gtk_page_setup_set_right_margin(setup,right_margin*preview_data->print_data->zoom,
876 static void printing_textview_cb_begin_print(GtkPrintOperation *op, GtkPrintContext *context,
879 double width, height;
883 PrintData *print_data;
884 PangoFontDescription *desc;
886 PangoLayoutIter *iter;
889 gint num_header_lines;
891 gboolean header_done;
892 gboolean has_headers = FALSE;
894 double line_height =0.;
896 print_data = (PrintData*) user_data;
898 debug_print("Preparing print job...\n");
900 width = gtk_print_context_get_width(context);
901 height = gtk_print_context_get_height(context);
903 if (print_data->layout == NULL)
904 print_data->layout = gtk_print_context_create_pango_layout(context);
906 if (prefs_common.use_different_print_font)
907 desc = pango_font_description_from_string(prefs_common.printfont);
909 desc = pango_font_description_copy(
910 pango_context_get_font_description(print_data->pango_context));
912 pango_layout_set_font_description(print_data->layout, desc);
913 pango_font_description_free(desc);
915 pango_layout_set_width(print_data->layout, width * PANGO_SCALE);
916 pango_layout_set_text(print_data->layout, (char *)print_data->to_print, -1);
918 printing_layout_set_text_attributes(print_data, context, &has_headers);
920 num_lines = pango_layout_get_line_count(print_data->layout);
927 iter = pango_layout_get_iter(print_data->layout);
929 /* find the last character of the header */
932 text = pango_layout_get_text(print_data->layout);
935 if (text && *text && *text != '\n') {
937 if (text[0] == '\n' && (text[1] != '\0') && (text[1] == '\n'))
942 } while(*text && !header_done);
944 /* find line number for header end */
945 pango_layout_index_to_line_x(print_data->layout, header_end_pos, 1,
946 &num_header_lines, &dummy);
947 /* line count is zero-based */
950 print_data->ypos_line = -1.0;
954 PangoRectangle logical_rect;
955 PangoLayoutLine *line;
956 PangoAttrShape *attr = NULL;
960 line = pango_layout_iter_get_line(iter);
962 pango_layout_iter_get_line_extents(iter, NULL, &logical_rect);
963 baseline = pango_layout_iter_get_baseline(iter);
965 if ((attr = g_hash_table_lookup(print_data->images,
966 GINT_TO_POINTER(pango_layout_iter_get_index(iter)))) != NULL) {
967 line_height = (double)gdk_pixbuf_get_height(GDK_PIXBUF(attr->data));
969 line_height = ((double)logical_rect.height) / PANGO_SCALE;
972 if ((page_height + line_height) > height) {
973 page_breaks = g_list_prepend(page_breaks, GINT_TO_POINTER(ii));
977 if (has_headers && ii == num_header_lines) {
979 pango_layout_iter_get_line_yrange(iter,&y0,&y1);
980 print_data->ypos_line = (double)y0 + 1./3.*((double)(y1 - y0))/2.;
983 page_height += line_height;
985 } while(ii < num_lines && pango_layout_iter_next_line(iter));
986 pango_layout_iter_free(iter);
988 page_breaks = g_list_reverse(page_breaks);
989 print_data->npages = g_list_length(page_breaks) + 1;
990 print_data->page_breaks = page_breaks;
992 gtk_print_operation_set_n_pages(op, print_data->npages);
994 debug_print("Starting print job...\n");
997 static cairo_surface_t *pixbuf_to_surface(GdkPixbuf *pixbuf)
999 cairo_surface_t *surface;
1000 cairo_format_t format;
1001 static const cairo_user_data_key_t key;
1002 guchar *pixels = g_malloc(
1004 gdk_pixbuf_get_width(pixbuf)*
1005 gdk_pixbuf_get_height(pixbuf));
1006 guchar *src_pixels = gdk_pixbuf_get_pixels (pixbuf);
1007 gint width = gdk_pixbuf_get_width(pixbuf);
1008 gint height = gdk_pixbuf_get_height(pixbuf);
1009 gint nchans = gdk_pixbuf_get_n_channels (pixbuf);
1010 gint stride = gdk_pixbuf_get_rowstride (pixbuf);
1014 format = CAIRO_FORMAT_RGB24;
1016 format = CAIRO_FORMAT_ARGB32;
1017 surface = cairo_image_surface_create_for_data (pixels,
1018 format, width, height, 4*width);
1019 cairo_surface_set_user_data (surface, &key,
1020 pixels, (cairo_destroy_func_t)g_free);
1022 for (j = height; j; j--) {
1023 guchar *p = src_pixels;
1027 guchar *end = p + 3 * width;
1030 #if G_BYTE_ORDER == G_LITTLE_ENDIAN
1043 guchar *end = p + 4 * width;
1046 #define MULT(d,c,a,t) G_STMT_START { t = c * a + 0x7f; d = ((t >> 8) + t) >> 8; } G_STMT_END
1049 #if G_BYTE_ORDER == G_LITTLE_ENDIAN
1050 MULT(q[0], p[2], p[3], t1);
1051 MULT(q[1], p[1], p[3], t2);
1052 MULT(q[2], p[0], p[3], t3);
1056 MULT(q[1], p[0], p[3], t1);
1057 MULT(q[2], p[1], p[3], t2);
1058 MULT(q[3], p[2], p[3], t3);
1068 src_pixels += stride;
1069 pixels += 4 * width;
1075 static void printing_textview_cb_draw_page(GtkPrintOperation *op, GtkPrintContext *context,
1076 int page_nr, gpointer user_data)
1079 PrintData *print_data;
1082 PangoLayoutIter *iter;
1084 gboolean notlast = TRUE;
1086 print_data = (PrintData*) user_data;
1091 pagebreak = g_list_nth(print_data->page_breaks, page_nr - 1);
1092 start = GPOINTER_TO_INT(pagebreak->data);
1095 pagebreak = g_list_nth(print_data->page_breaks, page_nr);
1096 if (pagebreak == NULL)
1097 end = pango_layout_get_line_count(print_data->layout);
1099 end = GPOINTER_TO_INT(pagebreak->data);
1101 cr = gtk_print_context_get_cairo_context(context);
1102 cairo_scale(cr, print_data->zoom, print_data->zoom);
1103 cairo_set_source_rgb(cr, 0., 0., 0.);
1107 iter = pango_layout_get_iter(print_data->layout);
1109 PangoRectangle logical_rect;
1110 PangoLayoutLine *line;
1111 PangoAttrShape *attr = NULL;
1115 line = pango_layout_iter_get_line(iter);
1117 pango_layout_iter_get_line_extents(iter, NULL, &logical_rect);
1118 baseline = pango_layout_iter_get_baseline(iter);
1121 start_pos = ((double)logical_rect.y) / PANGO_SCALE;
1123 /* Draw header separator line */
1124 if (ii == 0 && print_data->ypos_line >= 0) {
1125 cairo_surface_t *surface;
1126 surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
1127 gtk_print_context_get_width(context)/print_data->zoom,
1128 gtk_print_context_get_height(context)/print_data->zoom);
1129 cairo_set_line_width(cr, .5);
1130 cairo_set_source_surface(cr, surface,
1131 ((double)logical_rect.x) / PANGO_SCALE,
1132 ((double)baseline) / PANGO_SCALE - start_pos);
1133 cairo_move_to(cr, ((double)logical_rect.x) / PANGO_SCALE,
1134 (double)print_data->ypos_line / PANGO_SCALE);
1135 cairo_rel_line_to(cr, gtk_print_context_get_width(context)/print_data->zoom, 0);
1136 cairo_set_source_rgb(cr, 0., 0., 0.);
1138 cairo_surface_destroy(surface);
1142 ((double)logical_rect.x) / PANGO_SCALE,
1143 ((double)baseline) / PANGO_SCALE - start_pos);
1145 if ((attr = g_hash_table_lookup(print_data->images,
1146 GINT_TO_POINTER(pango_layout_iter_get_index(iter)))) != NULL) {
1147 cairo_surface_t *surface;
1149 surface = pixbuf_to_surface(GDK_PIXBUF(attr->data));
1150 cairo_set_source_surface (cr, surface,
1151 ((double)logical_rect.x) / PANGO_SCALE,
1152 ((double)baseline) / PANGO_SCALE - start_pos);
1154 cairo_surface_destroy (surface);
1156 pango_cairo_show_layout_line(cr, line);
1160 } while(ii < end && (notlast = pango_layout_iter_next_line(iter)));
1161 pango_layout_iter_free(iter);
1162 debug_print("Sent page %d to printer\n", page_nr+1);
1165 static void printing_layout_set_text_attributes(PrintData *print_data,
1166 GtkPrintContext *context,
1167 gboolean *has_headers)
1170 PangoAttrList *attr_list;
1171 PangoAttribute *attr;
1172 GSList *open_attrs, *attr_walk;
1173 GtkTextView *text_view = GTK_TEXT_VIEW(print_data->renderer_data);
1174 GtkTextBuffer *buffer = gtk_text_view_get_buffer(text_view);
1176 *has_headers = FALSE;
1178 attr_list = pango_attr_list_new();
1179 if (print_data->sel_start < 0 || print_data->sel_end <= print_data->sel_start) {
1180 gtk_text_buffer_get_start_iter(buffer, &iter);
1182 gtk_text_buffer_get_iter_at_offset(buffer, &iter, print_data->sel_start);
1187 gboolean fg_set, bg_set, under_set, strike_set, weight_set;
1188 GSList *tags, *tag_walk;
1190 GdkColor *color = NULL;
1191 PangoUnderline underline;
1192 gboolean strikethrough;
1196 if (prefs_common.print_imgs && (image = gtk_text_iter_get_pixbuf(&iter)) != NULL) {
1197 PangoRectangle rect = {0, 0, 0, 0};
1198 gint startpos = printing_text_iter_get_offset_bytes(print_data, &iter);
1199 gint h = gdk_pixbuf_get_height(image);
1200 gint w = gdk_pixbuf_get_width(image);
1201 gint a_h = gtk_print_context_get_height(context);
1202 gint a_w = gtk_print_context_get_width(context);
1204 GdkPixbuf *scaled = NULL;
1205 image_viewer_get_resized_size(w, h, a_w, a_h, &r_w, &r_h);
1208 rect.width = r_w * PANGO_SCALE;
1209 rect.height = r_h * PANGO_SCALE;
1211 scaled = gdk_pixbuf_scale_simple(image, r_w, r_h, GDK_INTERP_BILINEAR);
1212 attr = pango_attr_shape_new_with_data (&rect, &rect,
1213 scaled, NULL, NULL);
1214 attr->start_index = startpos;
1215 attr->end_index = startpos+1;
1216 pango_attr_list_insert(attr_list, attr);
1217 g_hash_table_insert(print_data->images, GINT_TO_POINTER(startpos), attr);
1218 print_data->img_cnt++;
1221 if (gtk_text_iter_ends_tag(&iter, NULL)) {
1222 PangoAttrColor *attr_color;
1223 PangoAttrInt *attr_int;
1225 tags = gtk_text_iter_get_toggled_tags(&iter, FALSE);
1226 for (tag_walk = tags; tag_walk != NULL; tag_walk = tag_walk->next) {
1229 tag = GTK_TEXT_TAG(tag_walk->data);
1230 g_object_get(G_OBJECT(tag),
1231 "background-set", &bg_set,
1232 "foreground-set", &fg_set,
1233 "underline-set",&under_set,
1234 "strikethrough-set", &strike_set,
1235 "weight-set", &weight_set,
1240 for (attr_walk = open_attrs; attr_walk != NULL;
1241 attr_walk = attr_walk->next) {
1242 attr = (PangoAttribute*)attr_walk->data;
1243 if (attr->klass->type == PANGO_ATTR_FOREGROUND) {
1244 attr_color = (PangoAttrColor*) attr;
1245 g_object_get(G_OBJECT(tag), "foreground_gdk",
1248 printing_is_pango_gdk_color_equal(&(attr_color->color),
1250 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1251 pango_attr_list_insert(attr_list, attr);
1253 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
1257 gdk_color_free(color);
1261 debug_print("Error generating attribute list.\n");
1266 for (attr_walk = open_attrs; attr_walk != NULL;
1267 attr_walk = attr_walk->next) {
1268 attr = (PangoAttribute*)attr_walk->data;
1269 if (attr->klass->type == PANGO_ATTR_BACKGROUND) {
1270 attr_color = (PangoAttrColor*) attr;
1271 g_object_get(G_OBJECT(tag), "background-gdk",
1273 if (printing_is_pango_gdk_color_equal(&(attr_color->color),
1275 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1276 pango_attr_list_insert(attr_list, attr);
1278 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
1282 gdk_color_free(color);
1286 debug_print("Error generating attribute list.\n");
1291 for (attr_walk = open_attrs; attr_walk != NULL;
1292 attr_walk = attr_walk->next) {
1293 attr = (PangoAttribute*)attr_walk->data;
1294 if (attr->klass->type == PANGO_ATTR_UNDERLINE) {
1295 attr_int = (PangoAttrInt*)attr;
1296 g_object_get(G_OBJECT(tag), "underline",
1298 if (attr_int->value == underline) {
1299 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1300 pango_attr_list_insert(attr_list, attr);
1302 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
1308 debug_print("Error generating attribute list.\n");
1313 for (attr_walk = open_attrs; attr_walk != NULL;
1314 attr_walk = attr_walk->next) {
1315 attr = (PangoAttribute*)attr_walk->data;
1316 if (attr->klass->type == PANGO_ATTR_STRIKETHROUGH) {
1317 attr_int = (PangoAttrInt*)attr;
1318 g_object_get(G_OBJECT(tag), "strikethrough",
1319 &strikethrough, NULL);
1320 if (attr_int->value == strikethrough) {
1321 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1322 pango_attr_list_insert(attr_list, attr);
1324 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
1330 debug_print("Error generating attribute list.\n");
1335 for (attr_walk = open_attrs; attr_walk != NULL;
1336 attr_walk = attr_walk->next) {
1337 attr = (PangoAttribute*)attr_walk->data;
1338 if (attr->klass->type == PANGO_ATTR_WEIGHT) {
1339 attr_int = (PangoAttrInt*)attr;
1340 g_object_get(G_OBJECT(tag), "weight", &weight, NULL);
1341 if (attr_int->value == weight) {
1342 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1343 pango_attr_list_insert(attr_list, attr);
1345 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
1351 debug_print("Error generating attribute list.\n");
1357 if (gtk_text_iter_begins_tag(&iter, NULL)) {
1358 tags = gtk_text_iter_get_toggled_tags(&iter, TRUE);
1359 /* Sometimes, an iter has several weights. Use only the first in this case */
1360 gboolean weight_set_for_this_iter;
1361 weight_set_for_this_iter = FALSE;
1362 for (tag_walk = tags; tag_walk != NULL; tag_walk = tag_walk->next) {
1363 tag = GTK_TEXT_TAG(tag_walk->data);
1364 g_object_get(G_OBJECT(tag),
1365 "background-set", &bg_set,
1366 "foreground-set", &fg_set,
1367 "underline-set", &under_set,
1368 "strikethrough-set", &strike_set,
1369 "weight-set", &weight_set,
1372 g_object_get(G_OBJECT(tag), "foreground-gdk", &color, NULL);
1373 attr = pango_attr_foreground_new(color->red,color->green,color->blue);
1374 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1375 open_attrs = g_slist_prepend(open_attrs, attr);
1378 g_object_get(G_OBJECT(tag), "background-gdk", &color, NULL);
1379 attr = pango_attr_background_new(color->red,color->green,color->blue);
1380 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1381 open_attrs = g_slist_prepend(open_attrs, attr);
1384 g_object_get(G_OBJECT(tag), "underline", &underline, NULL);
1385 attr = pango_attr_underline_new(underline);
1386 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1387 open_attrs = g_slist_prepend(open_attrs, attr);
1390 g_object_get(G_OBJECT(tag), "strikethrough", &strikethrough, NULL);
1391 attr = pango_attr_strikethrough_new(strikethrough);
1392 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1393 open_attrs = g_slist_prepend(open_attrs, attr);
1395 if (weight_set && !weight_set_for_this_iter) {
1396 weight_set_for_this_iter = TRUE;
1397 g_object_get(G_OBJECT(tag), "weight", &weight, NULL);
1398 attr = pango_attr_weight_new(weight);
1399 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1400 open_attrs = g_slist_prepend(open_attrs, attr);
1401 /* Hack to see if the first char is bold -- indicates header */
1402 if (attr->start_index == 0 && weight == PANGO_WEIGHT_BOLD) {
1403 *has_headers = TRUE;
1410 } while(!gtk_text_iter_is_end(&iter) && gtk_text_iter_forward_to_tag_toggle(&iter, NULL));
1412 /* close all open attributes */
1413 for (attr_walk = open_attrs; attr_walk != NULL; attr_walk = attr_walk->next) {
1414 attr = (PangoAttribute*) attr_walk->data;
1415 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1416 pango_attr_list_insert(attr_list, attr);
1418 g_slist_free(open_attrs);
1420 pango_layout_set_attributes(print_data->layout, attr_list);
1421 pango_attr_list_unref(attr_list);
1424 static gboolean printing_is_pango_gdk_color_equal(PangoColor *p, GdkColor *g)
1426 return ((p->red == g->red) && (p->green == g->green) && (p->blue == g->blue));
1429 /* Pango has it's attribute in bytes, but GtkTextIter gets only an offset
1430 * in characters, so here we're returning an offset in bytes.
1432 static gint printing_text_iter_get_offset_bytes(PrintData *print_data, const GtkTextIter *iter)
1439 off_chars = gtk_text_iter_get_offset(iter);
1440 if (print_data->sel_start < 0 || print_data->sel_end <= print_data->sel_start) {
1441 gtk_text_buffer_get_start_iter(gtk_text_iter_get_buffer(iter), &start);
1443 gtk_text_buffer_get_iter_at_offset(gtk_text_iter_get_buffer(iter), &start, print_data->sel_start);
1445 text = gtk_text_iter_get_text(&start, iter);
1446 off_bytes = strlen(text);
1451 static void printing_preview_update_zoom_sensitivity(PreviewData *preview_data)
1453 if((preview_data->print_data->zoom * PREVIEW_ZOOM_FAC) > PREVIEW_ZOOM_MAX)
1454 gtk_widget_set_sensitive(preview_data->zoom_in, FALSE);
1456 gtk_widget_set_sensitive(preview_data->zoom_in, TRUE);
1458 if ((preview_data->print_data->zoom / PREVIEW_ZOOM_FAC) < PREVIEW_ZOOM_MIN)
1459 gtk_widget_set_sensitive(preview_data->zoom_out, FALSE);
1461 gtk_widget_set_sensitive(preview_data->zoom_out, TRUE);