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;
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 #if !GTK_CHECK_VERSION(3, 0, 0)
97 static gboolean cb_preview_expose(GtkWidget*, GdkEventExpose*, gpointer);
99 static gboolean cb_preview_expose(GtkWidget*, cairo_t*, gpointer);
101 static void cb_preview_got_page_size(GtkPrintOperationPreview*,
103 GtkPageSetup*, gpointer);
104 static void cb_preview_go_first(GtkButton*, gpointer);
105 static void cb_preview_go_previous(GtkButton*, gpointer);
106 static void cb_preview_go_next(GtkButton*, gpointer);
107 static void cb_preview_go_last(GtkButton*, gpointer);
108 static void cb_preview_btn_close(GtkButton*, gpointer);
109 static void cb_preview_zoom_100(GtkButton*, gpointer);
110 static void cb_preview_zoom_fit(GtkButton*, gpointer);
111 static void cb_preview_zoom_in(GtkButton*, gpointer);
112 static void cb_preview_zoom_out(GtkButton*, gpointer);
113 static void cb_preview_request_page_setup(GtkPrintOperation*,
115 gint,GtkPageSetup*,gpointer);
117 static void printing_preview_update_zoom_sensitivity(PreviewData*);
120 static GtkPrintSettings *settings = NULL;
121 static GtkPageSetup *page_setup = NULL;
123 /* other static functions */
124 static void printing_layout_set_text_attributes(PrintData*, GtkPrintContext *, gboolean *);
125 static gboolean printing_is_pango_gdk_color_equal(PangoColor*, GdkColor*);
126 static gint printing_text_iter_get_offset_bytes(PrintData *, const GtkTextIter*);
128 #define PAGE_MARGIN_STORAGE_UNIT GTK_UNIT_MM
129 #define PREVIEW_SCALE 72
130 #define PREVIEW_SHADOW_OFFSET 3
131 #define PREVIEW_ZOOM_FAC 1.41
132 #define PREVIEW_ZOOM_MAX 10.
133 #define PREVIEW_ZOOM_MIN 0.2
135 static void free_pixbuf(gpointer key, gpointer value, gpointer data)
137 PangoAttrShape *attr = (PangoAttrShape *) value;
138 g_object_unref(G_OBJECT(attr->data));
141 gpointer printing_get_renderer_data(PrintData *print_data)
145 return print_data->renderer_data;
148 gdouble printing_get_zoom(PrintData *print_data)
152 return print_data->zoom;
155 void printing_set_n_pages(PrintData *print_data, gint n_pages)
159 print_data->npages = n_pages;
162 GtkPrintSettings *printing_get_settings(void)
164 if (settings == NULL) {
165 settings = gtk_print_settings_new();
166 gtk_print_settings_set_use_color(settings, prefs_common.print_use_color);
167 gtk_print_settings_set_collate(settings, prefs_common.print_use_collate);
168 gtk_print_settings_set_reverse(settings, prefs_common.print_use_reverse);
169 gtk_print_settings_set_duplex(settings, prefs_common.print_use_duplex);
174 void printing_store_settings(GtkPrintSettings *new_settings)
176 if (settings != NULL)
177 g_object_unref(settings);
179 settings = g_object_ref(new_settings);
180 prefs_common.print_use_color = gtk_print_settings_get_use_color(settings);
181 prefs_common.print_use_collate = gtk_print_settings_get_collate(settings);
182 prefs_common.print_use_reverse = gtk_print_settings_get_reverse(settings);
183 prefs_common.print_use_duplex = gtk_print_settings_get_duplex(settings);
186 GtkPageSetup *printing_get_page_setup(void)
188 if (page_setup == NULL) {
189 gboolean read_from_file;
190 char *page_setup_filename;
192 gboolean key_file_read;
194 page_setup = gtk_page_setup_new();
196 read_from_file = FALSE;
198 /* try reading the page setup from file */
199 page_setup_filename = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
200 PRINTING_PAGE_SETUP_STORAGE_FILE, NULL);
201 keyfile = g_key_file_new();
202 key_file_read = g_key_file_load_from_file(keyfile, page_setup_filename,
204 g_free(page_setup_filename);
207 read_from_file = gtk_page_setup_load_key_file(page_setup, keyfile,
209 g_key_file_free(keyfile);
211 if (read_from_file) {
212 debug_print("Printing: Read page setup from key file\n");
214 debug_print("Printing: Could not read page setup from key file\n");
217 /* if reading from file did not work, or has not been tried (GTK+ < 2.14), use prefs */
218 if (!read_from_file) {
220 if (prefs_common.print_paper_type &&
221 *prefs_common.print_paper_type) {
222 GtkPaperSize *paper = gtk_paper_size_new(prefs_common.print_paper_type);
223 gtk_page_setup_set_paper_size(page_setup, paper);
224 gtk_paper_size_free(paper);
227 gtk_page_setup_set_orientation(page_setup,
228 prefs_common.print_paper_orientation);
230 if (prefs_common.print_margin_top != -1)
231 gtk_page_setup_set_top_margin(page_setup,
232 0.01*prefs_common.print_margin_top,
233 PAGE_MARGIN_STORAGE_UNIT);
234 if (prefs_common.print_margin_bottom != -1)
235 gtk_page_setup_set_bottom_margin(page_setup,
236 0.01*prefs_common.print_margin_bottom,
237 PAGE_MARGIN_STORAGE_UNIT);
238 if (prefs_common.print_margin_left != -1)
239 gtk_page_setup_set_left_margin(page_setup,
240 0.01*prefs_common.print_margin_left,
241 PAGE_MARGIN_STORAGE_UNIT);
242 if (prefs_common.print_margin_right != -1)
243 gtk_page_setup_set_right_margin(page_setup,
244 0.01*prefs_common.print_margin_right,
245 PAGE_MARGIN_STORAGE_UNIT);
251 void printing_print_full(GtkWindow *parent, PrintRenderer *renderer, gpointer renderer_data,
252 gint sel_start, gint sel_end, GtkImage *avatar)
254 GtkPrintOperation *op;
255 GtkPrintOperationResult res;
256 PrintData *print_data;
258 op = gtk_print_operation_new();
260 print_data = g_new0(PrintData,1);
262 print_data->renderer = renderer;
263 print_data->renderer_data = renderer_data;
264 print_data->sel_start = sel_start;
265 print_data->sel_end = sel_end;
266 print_data->avatar = (avatar != NULL? GTK_IMAGE(g_object_ref(avatar)): NULL);
268 print_data->zoom = 1.;
270 print_data->images = g_hash_table_new(g_direct_hash, g_direct_equal);
272 print_data->pango_context = renderer->get_pango_context(renderer_data);
274 print_data->to_print = renderer->get_data_to_print(renderer_data, sel_start, sel_end);
276 printing_get_settings();
277 printing_get_page_setup();
279 /* Config for printing */
280 gtk_print_operation_set_print_settings(op, settings);
281 gtk_print_operation_set_default_page_setup(op, page_setup);
282 #if GTK_CHECK_VERSION(2,18,0)
283 /* enable Page Size and Orientation in the print dialog */
284 gtk_print_operation_set_embed_page_setup(op, TRUE);
287 g_signal_connect(op, "begin_print", G_CALLBACK(renderer->cb_begin_print), print_data);
288 g_signal_connect(op, "draw_page", G_CALLBACK(renderer->cb_draw_page), print_data);
289 g_signal_connect(op, "preview", G_CALLBACK(cb_preview), print_data);
291 /* Start printing process */
292 res = gtk_print_operation_run(op, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
295 if (res == GTK_PRINT_OPERATION_RESULT_ERROR) {
296 GError *error = NULL;
297 gtk_print_operation_get_error(op, &error);
298 debug_print("Error printing message: %s\n",
299 error ? error->message : "no details");
300 } else if (res == GTK_PRINT_OPERATION_RESULT_APPLY) {
301 /* store settings for next printing session */
302 printing_store_settings(gtk_print_operation_get_print_settings(op));
305 g_hash_table_foreach(print_data->images, free_pixbuf, NULL);
306 g_hash_table_destroy(print_data->images);
307 if (print_data->to_print)
308 g_free(print_data->to_print);
309 g_list_free(print_data->page_breaks);
310 if (print_data->layout)
311 g_object_unref(print_data->layout);
312 if (print_data->avatar)
313 g_object_unref(print_data->avatar);
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, GtkImage *avatar)
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, avatar);
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));
389 keyfile = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
390 PRINTING_PAGE_SETUP_STORAGE_FILE, NULL);
391 if (!gtk_page_setup_to_file(page_setup, keyfile, NULL)) {
392 debug_print("Printing: Could not store page setup in file `%s'\n", keyfile);
397 static gboolean cb_preview(GtkPrintOperation *operation,
398 GtkPrintOperationPreview *preview,
399 GtkPrintContext *context,
403 PrintData *print_data;
405 PreviewData *preview_data;
411 GtkToolItem *separator;
412 static GdkGeometry geometry;
413 GtkWidget *dialog = NULL;
414 GtkWidget *statusbar = gtk_hbox_new(2, FALSE);
416 debug_print("Creating internal print preview\n");
418 print_data = (PrintData*) data;
420 preview_data = g_new0(PreviewData,1);
421 preview_data->print_data = print_data;
422 preview_data->op = g_object_ref(operation);
423 preview_data->preview = preview;
426 dialog = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "print_preview");
427 preview_data->dialog = dialog;
428 if (!geometry.min_height) {
429 geometry.min_width = 600;
430 geometry.min_height = 400;
432 gtk_window_set_geometry_hints(GTK_WINDOW(dialog), NULL, &geometry,
434 gtk_widget_set_size_request(dialog, prefs_common.print_previewwin_width,
435 prefs_common.print_previewwin_height);
436 gtk_window_set_title(GTK_WINDOW(dialog), _("Print preview"));
439 vbox = gtk_vbox_new(FALSE, 0);
440 gtk_container_add(GTK_CONTAINER(dialog), vbox);
443 toolbar = gtk_toolbar_new();
444 gtk_orientable_set_orientation(GTK_ORIENTABLE(toolbar), GTK_ORIENTATION_HORIZONTAL);
446 switch (prefs_common.toolbar_style) {
448 gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_ICONS);
451 gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_TEXT);
453 case TOOLBAR_BOTH_HORIZ:
454 gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_BOTH_HORIZ);
458 gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_BOTH);
460 gtk_toolbar_set_show_arrow(GTK_TOOLBAR(toolbar), TRUE);
462 gtk_box_pack_start(GTK_BOX(vbox), toolbar, FALSE, FALSE, 0);
464 #define CLAWS_SET_TOOL_ITEM_TIP(widget,tip) { \
465 gtk_tool_item_set_tooltip_text(GTK_TOOL_ITEM(widget), tip); \
468 #define TOOLBAR_ITEM(item,text,tooltip,cb,cbdata) { \
469 item = GTK_WIDGET(gtk_tool_button_new_from_stock(text)); \
470 gtk_tool_item_set_homogeneous(GTK_TOOL_ITEM(item), FALSE); \
471 gtk_tool_item_set_is_important(GTK_TOOL_ITEM(item), TRUE); \
472 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), GTK_TOOL_ITEM(item), -1); \
473 g_signal_connect (G_OBJECT(item), "clicked", G_CALLBACK(cb), cbdata); \
474 CLAWS_SET_TOOL_ITEM_TIP(GTK_TOOL_ITEM(item), \
478 TOOLBAR_ITEM(preview_data->first, GTK_STOCK_GOTO_FIRST,
479 _("First page"), cb_preview_go_first, preview_data);
480 TOOLBAR_ITEM(preview_data->previous, GTK_STOCK_GO_BACK,
481 _("Previous page"), cb_preview_go_previous, preview_data);
483 page = gtk_label_new("");
484 preview_data->page_nr_label = page;
486 TOOLBAR_ITEM(preview_data->next, GTK_STOCK_GO_FORWARD,
487 _("Next page"), cb_preview_go_next, preview_data);
488 TOOLBAR_ITEM(preview_data->last, GTK_STOCK_GOTO_LAST,
489 _("Last page"), cb_preview_go_last, preview_data);
491 separator = gtk_separator_tool_item_new();
492 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), GTK_TOOL_ITEM(separator), -1);
494 TOOLBAR_ITEM(preview_data->zoom_100, GTK_STOCK_ZOOM_100,
495 _("Zoom 100%"), cb_preview_zoom_100, preview_data);
496 TOOLBAR_ITEM(preview_data->zoom_fit, GTK_STOCK_ZOOM_FIT,
497 _("Zoom fit"), cb_preview_zoom_fit, preview_data);
498 TOOLBAR_ITEM(preview_data->zoom_in, GTK_STOCK_ZOOM_IN,
499 _("Zoom in"), cb_preview_zoom_in, preview_data);
500 TOOLBAR_ITEM(preview_data->zoom_out, GTK_STOCK_ZOOM_OUT,
501 _("Zoom out"), cb_preview_zoom_out, preview_data);
503 separator = gtk_separator_tool_item_new();
504 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), GTK_TOOL_ITEM(separator), -1);
506 /* tooltip has to be NULL else it triggers an expose_event */
507 TOOLBAR_ITEM(preview_data->close, GTK_STOCK_CLOSE, NULL,
508 cb_preview_btn_close, preview_data);
510 gtk_widget_show(statusbar);
511 gtk_box_pack_start(GTK_BOX(vbox), statusbar, FALSE, FALSE, 0);
512 gtk_box_pack_start(GTK_BOX(statusbar), page, FALSE, FALSE, 0);
514 sw = gtk_scrolled_window_new(NULL, NULL);
515 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(sw),
516 GTK_POLICY_AUTOMATIC,
517 GTK_POLICY_AUTOMATIC);
518 gtk_box_pack_start(GTK_BOX(vbox), sw, TRUE, TRUE, 0);
519 da = gtk_drawing_area_new();
520 gtk_widget_set_double_buffered(da, FALSE);
521 gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(sw),
523 gtk_widget_realize(da);
524 preview_data->scrolled_window = sw;
525 preview_data->area = da;
528 cr = gdk_cairo_create(gtk_widget_get_window(da));
529 gtk_print_context_set_cairo_context(context, cr, PREVIEW_SCALE, PREVIEW_SCALE);
533 g_signal_connect(dialog, "key_press_event",
534 G_CALLBACK(cb_preview_close), preview_data);
535 g_signal_connect(dialog, "size_allocate",
536 G_CALLBACK(cb_preview_size_allocate), NULL);
537 g_signal_connect(dialog, "destroy",G_CALLBACK(cb_preview_destroy),
539 g_signal_connect(preview, "ready", G_CALLBACK(cb_preview_ready),
541 g_signal_connect(preview, "got-page-size",
542 G_CALLBACK(cb_preview_got_page_size), preview_data);
544 g_signal_connect(operation, "request-page-setup",
545 G_CALLBACK(cb_preview_request_page_setup), preview_data);
547 gtk_widget_show_all(dialog);
551 static void cb_preview_destroy(GtkWindow *window, gpointer data)
553 PreviewData *preview_data;
554 preview_data = (PreviewData*) data;
556 if (preview_data->rendering)
558 debug_print("Preview window destroyed\n");
560 gtk_print_operation_preview_end_preview(preview_data->preview);
561 g_object_unref(preview_data->op);
562 g_list_free(preview_data->pages_to_print);
564 g_free(preview_data);
567 static gboolean cb_preview_close(GtkWidget *widget, GdkEventAny *event,
570 PreviewData *preview_data = (PreviewData *)data;
571 if (event->type == GDK_KEY_PRESS)
572 if (((GdkEventKey *)event)->keyval != GDK_KEY_Escape)
574 if (preview_data->rendering)
576 gtk_widget_destroy(widget);
580 static void cb_preview_size_allocate(GtkWidget *widget,
581 GtkAllocation *allocation)
583 cm_return_if_fail(allocation != NULL);
585 prefs_common.print_previewwin_width = allocation->width;
586 prefs_common.print_previewwin_height = allocation->height;
589 static void cb_preview_ready(GtkPrintOperationPreview *preview,
590 GtkPrintContext *context,
593 PreviewData *preview_data;
595 preview_data = (PreviewData*) data;
596 debug_print("preview_ready %d\n", preview_data->print_data->npages);
598 for (iPage = 0; iPage < (preview_data->print_data->npages); iPage++) {
599 if (gtk_print_operation_preview_is_selected(preview_data->preview, iPage)) {
600 preview_data->pages_to_print =
601 g_list_prepend(preview_data->pages_to_print,
602 GINT_TO_POINTER(iPage));
603 debug_print("want to print page %d\n",iPage+1);
607 preview_data->pages_to_print = g_list_reverse(preview_data->pages_to_print);
608 preview_data->current_page = preview_data->pages_to_print;
609 preview_data->context = context;
611 #if !GTK_CHECK_VERSION(3, 0, 0)
612 g_signal_connect(preview_data->area, "expose_event",
613 G_CALLBACK(cb_preview_expose),
616 g_signal_connect(preview_data->area, "draw",
617 G_CALLBACK(cb_preview_expose),
621 gtk_widget_queue_draw(preview_data->area);
624 static void cb_preview_got_page_size(GtkPrintOperationPreview *preview,
625 GtkPrintContext *context,
626 GtkPageSetup *page_setup,
629 PreviewData *preview_data;
630 GtkPaperSize *paper_size;
634 preview_data = (PreviewData*) data;
635 debug_print("got_page_size\n");
636 paper_size = gtk_page_setup_get_paper_size(page_setup);
637 paper_width = (gint)(gtk_paper_size_get_width(paper_size, GTK_UNIT_INCH)
639 paper_height = (gint)(gtk_paper_size_get_height(paper_size, GTK_UNIT_INCH)
642 preview_data->page_width = paper_width;
643 preview_data->page_height = paper_height;
645 debug_print("w/h %d/%d\n", paper_width, paper_height);
646 gtk_widget_set_size_request(GTK_WIDGET(preview_data->area),
647 paper_width, paper_height);
650 #if !GTK_CHECK_VERSION(3, 0, 0)
651 static gboolean cb_preview_expose(GtkWidget *widget, GdkEventExpose *event,
654 static gboolean cb_preview_expose(GtkWidget *widget, cairo_t *cr,
658 PreviewData *preview_data = data;
659 #if !GTK_CHECK_VERSION(3, 0, 0)
663 debug_print("preview_expose (current %p)\n", preview_data->current_page);
665 #if !GTK_CHECK_VERSION(3, 0, 0)
666 cr = gdk_cairo_create(gtk_widget_get_window(preview_data->area));
670 cairo_set_source_rgb(cr, 0.5, 0.5, 0.5);
671 #if !GTK_CHECK_VERSION(3, 0, 0)
672 cairo_rectangle(cr, event->area.x, event->area.y, event->area.width, event->area.height);
677 cairo_set_source_rgb(cr, 0., 0., 0.);
678 cairo_rectangle(cr, PREVIEW_SHADOW_OFFSET, PREVIEW_SHADOW_OFFSET,
679 preview_data->page_width+PREVIEW_SHADOW_OFFSET,
680 preview_data->page_height+PREVIEW_SHADOW_OFFSET);
684 cairo_set_source_rgb(cr, 1., 1., 1.);
685 cairo_rectangle(cr, 0, 0,
686 preview_data->page_width,
687 preview_data->page_height);
690 gtk_print_context_set_cairo_context(preview_data->context, cr, PREVIEW_SCALE, PREVIEW_SCALE);
691 #if !GTK_CHECK_VERSION(3, 0, 0)
695 if (preview_data->current_page) {
696 preview_data->rendering = TRUE;
697 gtk_widget_set_sensitive(preview_data->close, FALSE);
698 int cur = GPOINTER_TO_INT(preview_data->current_page->data);
700 str = g_strdup_printf(_("Page %d"), cur+1);
701 gtk_label_set_text(GTK_LABEL(preview_data->page_nr_label), str);
703 gtk_print_operation_preview_render_page(preview_data->preview,
705 (preview_data->current_page->data));
707 gtk_widget_set_sensitive(preview_data->first,
708 preview_data->current_page->prev != NULL);
709 gtk_widget_set_sensitive(preview_data->previous,
710 preview_data->current_page->prev != NULL);
711 gtk_widget_set_sensitive(preview_data->next,
712 preview_data->current_page->next != NULL);
713 gtk_widget_set_sensitive(preview_data->last,
714 preview_data->current_page->next != NULL);
715 gtk_widget_set_sensitive(preview_data->close, TRUE);
716 preview_data->rendering = FALSE;
721 static void cb_preview_go_first(GtkButton *button, gpointer data)
723 PreviewData *preview_data = (PreviewData*) data;
724 preview_data->current_page = preview_data->pages_to_print;
725 gtk_widget_queue_draw(preview_data->area);
728 static void cb_preview_go_previous(GtkButton *button, gpointer data)
731 PreviewData *preview_data = (PreviewData*) data;
732 next = g_list_previous(preview_data->current_page);
734 preview_data->current_page = next;
735 gtk_widget_queue_draw(preview_data->area);
738 static void cb_preview_go_next(GtkButton *button, gpointer data)
741 PreviewData *preview_data = (PreviewData*) data;
742 next = g_list_next(preview_data->current_page);
744 preview_data->current_page = next;
745 gtk_widget_queue_draw(preview_data->area);
748 static void cb_preview_go_last(GtkButton *button, gpointer data)
750 PreviewData *preview_data = (PreviewData*) data;
751 preview_data->current_page = g_list_last(preview_data->current_page);
752 gtk_widget_queue_draw(preview_data->area);
755 static void cb_preview_btn_close(GtkButton *button, gpointer data)
757 PreviewData *preview_data = (PreviewData *)data;
758 if (preview_data->rendering)
760 gtk_widget_destroy(preview_data->dialog);
763 static void cb_preview_zoom_100(GtkButton *button, gpointer data)
765 PreviewData *preview_data = (PreviewData*) data;
766 if (preview_data->print_data->zoom != 1.) {
767 preview_data->print_data->zoom = 1.;
768 gtk_widget_queue_draw(preview_data->area);
769 printing_preview_update_zoom_sensitivity(preview_data);
773 static void cb_preview_zoom_fit(GtkButton *button, gpointer data)
775 PreviewData *preview_data = (PreviewData*) data;
776 GtkAllocation allocation;
780 gtk_widget_get_allocation(preview_data->scrolled_window, &allocation);
781 zoom_w = ((gdouble)allocation.width) /
782 ((gdouble)preview_data->page_width/preview_data->print_data->zoom +
783 PREVIEW_SHADOW_OFFSET);
784 zoom_h = ((gdouble)allocation.height) /
785 ((gdouble)preview_data->page_height/preview_data->print_data->zoom +
786 PREVIEW_SHADOW_OFFSET);
788 preview_data->print_data->zoom = MIN(zoom_w,zoom_h) - 0.01;
790 if (preview_data->print_data->zoom > PREVIEW_ZOOM_MAX)
791 preview_data->print_data->zoom = PREVIEW_ZOOM_MAX;
792 else if (preview_data->print_data->zoom < PREVIEW_ZOOM_MIN)
793 preview_data->print_data->zoom = PREVIEW_ZOOM_MIN;
795 printing_preview_update_zoom_sensitivity(preview_data);
796 gtk_widget_queue_draw(preview_data->area);
799 static void cb_preview_zoom_in(GtkButton *button, gpointer data)
801 PreviewData *preview_data = (PreviewData*) data;
803 new_zoom = preview_data->print_data->zoom * PREVIEW_ZOOM_FAC;
804 if (new_zoom <= PREVIEW_ZOOM_MAX) {
805 preview_data->print_data->zoom = new_zoom;
806 printing_preview_update_zoom_sensitivity(preview_data);
807 gtk_widget_queue_draw(preview_data->area);
811 static void cb_preview_zoom_out(GtkButton *button, gpointer data)
813 PreviewData *preview_data = (PreviewData*) data;
815 new_zoom = preview_data->print_data->zoom / PREVIEW_ZOOM_FAC;
816 if (new_zoom >= PREVIEW_ZOOM_MIN) {
817 preview_data->print_data->zoom = new_zoom;
818 printing_preview_update_zoom_sensitivity(preview_data);
819 gtk_widget_queue_draw(preview_data->area);
823 static void cb_preview_request_page_setup(GtkPrintOperation *op,
824 GtkPrintContext *context,
826 GtkPageSetup *setup,gpointer data)
828 GtkPaperSize *paper_size;
829 GtkPaperSize *old_size;
833 gdouble bottom_margin;
835 gdouble right_margin;
837 PreviewData *preview_data = (PreviewData*) data;
839 old_size = gtk_page_setup_get_paper_size(setup);
840 width = gtk_paper_size_get_width(old_size,GTK_UNIT_INCH);
841 height = gtk_paper_size_get_height(old_size,GTK_UNIT_INCH);
843 top_margin = gtk_page_setup_get_top_margin(setup,GTK_UNIT_INCH);
844 bottom_margin = gtk_page_setup_get_bottom_margin(setup,GTK_UNIT_INCH);
845 left_margin = gtk_page_setup_get_left_margin(setup,GTK_UNIT_INCH);
846 right_margin = gtk_page_setup_get_right_margin(setup,GTK_UNIT_INCH);
848 paper_size = gtk_paper_size_new_custom("preview paper", "preview_paper",
849 width*preview_data->print_data->zoom,
850 height*preview_data->print_data->zoom,
852 gtk_page_setup_set_paper_size(setup, paper_size);
853 gtk_paper_size_free(paper_size);
855 gtk_page_setup_set_top_margin(setup,top_margin*preview_data->print_data->zoom,
857 gtk_page_setup_set_bottom_margin(setup,bottom_margin*preview_data->print_data->zoom,
859 gtk_page_setup_set_left_margin(setup,left_margin*preview_data->print_data->zoom,
861 gtk_page_setup_set_right_margin(setup,right_margin*preview_data->print_data->zoom,
865 static void printing_textview_cb_begin_print(GtkPrintOperation *op, GtkPrintContext *context,
868 double width, height;
872 PrintData *print_data;
873 PangoFontDescription *desc;
875 PangoLayoutIter *iter;
877 gint num_header_lines;
879 gboolean header_done;
880 gboolean has_headers = FALSE;
882 double line_height =0.;
884 print_data = (PrintData*) user_data;
886 debug_print("Preparing print job...\n");
888 width = gtk_print_context_get_width(context);
889 height = gtk_print_context_get_height(context);
891 if (print_data->layout == NULL)
892 print_data->layout = gtk_print_context_create_pango_layout(context);
894 if (prefs_common.use_different_print_font)
895 desc = pango_font_description_from_string(prefs_common.printfont);
897 desc = pango_font_description_copy(
898 pango_context_get_font_description(print_data->pango_context));
900 pango_layout_set_font_description(print_data->layout, desc);
901 pango_font_description_free(desc);
903 pango_layout_set_width(print_data->layout, width * PANGO_SCALE);
904 pango_layout_set_text(print_data->layout, (char *)print_data->to_print, -1);
906 printing_layout_set_text_attributes(print_data, context, &has_headers);
908 num_lines = pango_layout_get_line_count(print_data->layout);
914 iter = pango_layout_get_iter(print_data->layout);
916 /* find the last character of the header */
919 text = pango_layout_get_text(print_data->layout);
922 if (text && *text && *text != '\n') {
924 if (text[0] == '\n' && (text[1] != '\0') && (text[1] == '\n'))
929 } while(*text && !header_done);
931 /* find line number for header end */
932 pango_layout_index_to_line_x(print_data->layout, header_end_pos, 1,
933 &num_header_lines, &dummy);
934 /* line count is zero-based */
937 print_data->ypos_line = -1.0;
941 PangoRectangle logical_rect;
942 PangoAttrShape *attr = NULL;
945 pango_layout_iter_get_line_extents(iter, NULL, &logical_rect);
947 if ((attr = g_hash_table_lookup(print_data->images,
948 GINT_TO_POINTER(pango_layout_iter_get_index(iter)))) != NULL) {
949 line_height = (double)gdk_pixbuf_get_height(GDK_PIXBUF(attr->data));
951 line_height = ((double)logical_rect.height) / PANGO_SCALE;
954 if ((page_height + line_height) > height) {
955 page_breaks = g_list_prepend(page_breaks, GINT_TO_POINTER(ii));
959 if (has_headers && ii == num_header_lines) {
961 pango_layout_iter_get_line_yrange(iter,&y0,&y1);
962 print_data->ypos_line = (double)y0 + 1./3.*((double)(y1 - y0))/2.;
965 page_height += line_height;
967 } while(ii < num_lines && pango_layout_iter_next_line(iter));
968 pango_layout_iter_free(iter);
970 page_breaks = g_list_reverse(page_breaks);
971 print_data->npages = g_list_length(page_breaks) + 1;
972 print_data->page_breaks = page_breaks;
974 gtk_print_operation_set_n_pages(op, print_data->npages);
976 debug_print("Starting print job...\n");
979 static cairo_surface_t *pixbuf_to_surface(GdkPixbuf *pixbuf)
981 cairo_surface_t *surface;
982 cairo_format_t format;
983 static const cairo_user_data_key_t key;
984 guchar *pixels = g_malloc(
986 gdk_pixbuf_get_width(pixbuf)*
987 gdk_pixbuf_get_height(pixbuf));
988 guchar *src_pixels = gdk_pixbuf_get_pixels (pixbuf);
989 gint width = gdk_pixbuf_get_width(pixbuf);
990 gint height = gdk_pixbuf_get_height(pixbuf);
991 gint nchans = gdk_pixbuf_get_n_channels (pixbuf);
992 gint stride = gdk_pixbuf_get_rowstride (pixbuf);
996 format = CAIRO_FORMAT_RGB24;
998 format = CAIRO_FORMAT_ARGB32;
999 surface = cairo_image_surface_create_for_data (pixels,
1000 format, width, height, 4*width);
1001 cairo_surface_set_user_data (surface, &key,
1002 pixels, (cairo_destroy_func_t)g_free);
1004 for (j = height; j; j--) {
1005 guchar *p = src_pixels;
1009 guchar *end = p + 3 * width;
1012 #if G_BYTE_ORDER == G_LITTLE_ENDIAN
1025 guchar *end = p + 4 * width;
1028 #define MULT(d,c,a,t) G_STMT_START { t = c * a + 0x7f; d = ((t >> 8) + t) >> 8; } G_STMT_END
1031 #if G_BYTE_ORDER == G_LITTLE_ENDIAN
1032 MULT(q[0], p[2], p[3], t1);
1033 MULT(q[1], p[1], p[3], t2);
1034 MULT(q[2], p[0], p[3], t3);
1038 MULT(q[1], p[0], p[3], t1);
1039 MULT(q[2], p[1], p[3], t2);
1040 MULT(q[3], p[2], p[3], t3);
1050 src_pixels += stride;
1051 pixels += 4 * width;
1057 static void printing_textview_cb_draw_page(GtkPrintOperation *op, GtkPrintContext *context,
1058 int page_nr, gpointer user_data)
1061 PrintData *print_data;
1064 PangoLayoutIter *iter;
1066 gboolean notlast = TRUE;
1068 print_data = (PrintData*) user_data;
1073 pagebreak = g_list_nth(print_data->page_breaks, page_nr - 1);
1074 start = GPOINTER_TO_INT(pagebreak->data);
1077 pagebreak = g_list_nth(print_data->page_breaks, page_nr);
1078 if (pagebreak == NULL)
1079 end = pango_layout_get_line_count(print_data->layout);
1081 end = GPOINTER_TO_INT(pagebreak->data);
1083 cr = gtk_print_context_get_cairo_context(context);
1084 cairo_scale(cr, print_data->zoom, print_data->zoom);
1085 cairo_set_source_rgb(cr, 0., 0., 0.);
1089 iter = pango_layout_get_iter(print_data->layout);
1091 PangoRectangle logical_rect;
1092 PangoLayoutLine *line;
1093 PangoAttrShape *attr = NULL;
1097 line = pango_layout_iter_get_line(iter);
1099 pango_layout_iter_get_line_extents(iter, NULL, &logical_rect);
1100 baseline = pango_layout_iter_get_baseline(iter);
1103 start_pos = ((double)logical_rect.y) / PANGO_SCALE;
1105 /* Draw header separator line */
1106 if (ii == 0 && print_data->ypos_line >= 0) {
1107 cairo_surface_t *surface;
1108 surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
1109 gtk_print_context_get_width(context)/print_data->zoom,
1110 gtk_print_context_get_height(context)/print_data->zoom);
1111 cairo_set_line_width(cr, .5);
1112 cairo_set_source_surface(cr, surface,
1113 ((double)logical_rect.x) / PANGO_SCALE,
1114 ((double)baseline) / PANGO_SCALE - start_pos);
1115 cairo_move_to(cr, ((double)logical_rect.x) / PANGO_SCALE,
1116 (double)print_data->ypos_line / PANGO_SCALE);
1117 cairo_rel_line_to(cr, gtk_print_context_get_width(context)/print_data->zoom, 0);
1118 cairo_set_source_rgb(cr, 0., 0., 0.);
1120 cairo_surface_destroy(surface);
1124 ((double)logical_rect.x) / PANGO_SCALE,
1125 ((double)baseline) / PANGO_SCALE - start_pos);
1127 if ((attr = g_hash_table_lookup(print_data->images,
1128 GINT_TO_POINTER(pango_layout_iter_get_index(iter)))) != NULL) {
1129 cairo_surface_t *surface;
1131 surface = pixbuf_to_surface(GDK_PIXBUF(attr->data));
1132 cairo_set_source_surface (cr, surface,
1133 ((double)logical_rect.x) / PANGO_SCALE,
1134 ((double)baseline) / PANGO_SCALE - start_pos);
1136 cairo_surface_destroy (surface);
1138 pango_cairo_show_layout_line(cr, line);
1142 } while(ii < end && (notlast = pango_layout_iter_next_line(iter)));
1144 if (print_data->avatar && page_nr == 0) {
1145 cairo_surface_t *surface;
1146 GdkPixbuf *pixbuf = gtk_image_get_pixbuf(print_data->avatar);
1147 gdouble startx, starty;
1149 startx = gtk_print_context_get_width(context)/print_data->zoom;
1151 startx -= ((double)gdk_pixbuf_get_width(pixbuf));
1155 surface = pixbuf_to_surface(pixbuf);
1156 cairo_set_source_surface (cr, surface, startx, starty);
1158 cairo_surface_destroy (surface);
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",
1274 printing_is_pango_gdk_color_equal(&(attr_color->color),
1276 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1277 pango_attr_list_insert(attr_list, attr);
1279 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
1283 gdk_color_free(color);
1287 debug_print("Error generating attribute list.\n");
1292 for (attr_walk = open_attrs; attr_walk != NULL;
1293 attr_walk = attr_walk->next) {
1294 attr = (PangoAttribute*)attr_walk->data;
1295 if (attr->klass->type == PANGO_ATTR_UNDERLINE) {
1296 attr_int = (PangoAttrInt*)attr;
1297 g_object_get(G_OBJECT(tag), "underline",
1299 if (attr_int->value == underline) {
1300 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1301 pango_attr_list_insert(attr_list, attr);
1303 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
1309 debug_print("Error generating attribute list.\n");
1314 for (attr_walk = open_attrs; attr_walk != NULL;
1315 attr_walk = attr_walk->next) {
1316 attr = (PangoAttribute*)attr_walk->data;
1317 if (attr->klass->type == PANGO_ATTR_STRIKETHROUGH) {
1318 attr_int = (PangoAttrInt*)attr;
1319 g_object_get(G_OBJECT(tag), "strikethrough",
1320 &strikethrough, NULL);
1321 if (attr_int->value == strikethrough) {
1322 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1323 pango_attr_list_insert(attr_list, attr);
1325 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
1331 debug_print("Error generating attribute list.\n");
1336 for (attr_walk = open_attrs; attr_walk != NULL;
1337 attr_walk = attr_walk->next) {
1338 attr = (PangoAttribute*)attr_walk->data;
1339 if (attr->klass->type == PANGO_ATTR_WEIGHT) {
1340 attr_int = (PangoAttrInt*)attr;
1341 g_object_get(G_OBJECT(tag), "weight", &weight, NULL);
1342 if (attr_int->value == weight) {
1343 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1344 pango_attr_list_insert(attr_list, attr);
1346 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
1352 debug_print("Error generating attribute list.\n");
1358 if (gtk_text_iter_begins_tag(&iter, NULL)) {
1359 tags = gtk_text_iter_get_toggled_tags(&iter, TRUE);
1360 /* Sometimes, an iter has several weights. Use only the first in this case */
1361 gboolean weight_set_for_this_iter;
1362 weight_set_for_this_iter = FALSE;
1363 for (tag_walk = tags; tag_walk != NULL; tag_walk = tag_walk->next) {
1364 tag = GTK_TEXT_TAG(tag_walk->data);
1365 g_object_get(G_OBJECT(tag),
1366 "background-set", &bg_set,
1367 "foreground-set", &fg_set,
1368 "underline-set", &under_set,
1369 "strikethrough-set", &strike_set,
1370 "weight-set", &weight_set,
1373 g_object_get(G_OBJECT(tag), "foreground-gdk", &color, NULL);
1374 attr = pango_attr_foreground_new(color->red,color->green,color->blue);
1375 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1376 open_attrs = g_slist_prepend(open_attrs, attr);
1379 g_object_get(G_OBJECT(tag), "background-gdk", &color, NULL);
1380 attr = pango_attr_background_new(color->red,color->green,color->blue);
1381 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1382 open_attrs = g_slist_prepend(open_attrs, attr);
1385 g_object_get(G_OBJECT(tag), "underline", &underline, NULL);
1386 attr = pango_attr_underline_new(underline);
1387 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1388 open_attrs = g_slist_prepend(open_attrs, attr);
1391 g_object_get(G_OBJECT(tag), "strikethrough", &strikethrough, NULL);
1392 attr = pango_attr_strikethrough_new(strikethrough);
1393 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1394 open_attrs = g_slist_prepend(open_attrs, attr);
1396 if (weight_set && !weight_set_for_this_iter) {
1397 weight_set_for_this_iter = TRUE;
1398 g_object_get(G_OBJECT(tag), "weight", &weight, NULL);
1399 attr = pango_attr_weight_new(weight);
1400 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1401 open_attrs = g_slist_prepend(open_attrs, attr);
1402 /* Hack to see if the first char is bold -- indicates header */
1403 if (attr->start_index == 0 && weight == PANGO_WEIGHT_BOLD) {
1404 *has_headers = TRUE;
1411 } while(!gtk_text_iter_is_end(&iter) && gtk_text_iter_forward_to_tag_toggle(&iter, NULL));
1413 /* close all open attributes */
1414 for (attr_walk = open_attrs; attr_walk != NULL; attr_walk = attr_walk->next) {
1415 attr = (PangoAttribute*) attr_walk->data;
1416 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1417 pango_attr_list_insert(attr_list, attr);
1419 g_slist_free(open_attrs);
1421 pango_layout_set_attributes(print_data->layout, attr_list);
1422 pango_attr_list_unref(attr_list);
1425 static gboolean printing_is_pango_gdk_color_equal(PangoColor *p, GdkColor *g)
1427 return ((p->red == g->red) && (p->green == g->green) && (p->blue == g->blue));
1430 /* Pango has it's attribute in bytes, but GtkTextIter gets only an offset
1431 * in characters, so here we're returning an offset in bytes.
1433 static gint printing_text_iter_get_offset_bytes(PrintData *print_data, const GtkTextIter *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);