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 /* enable Page Size and Orientation in the print dialog */
283 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);
310 if (print_data->avatar)
311 g_object_unref(print_data->avatar);
316 debug_print("printing_print finished\n");
319 static PangoContext *printing_textview_get_pango_context(gpointer data)
321 return gtk_widget_get_pango_context(GTK_WIDGET(data));
324 static gpointer printing_textview_get_data_to_print(gpointer data, gint sel_start, gint sel_end)
326 GtkTextView *text_view = GTK_TEXT_VIEW(data);
327 GtkTextBuffer *buffer = gtk_text_view_get_buffer(text_view);
328 GtkTextIter start, end;
330 if (sel_start < 0 || sel_end <= sel_start) {
331 gtk_text_buffer_get_start_iter(buffer, &start);
332 gtk_text_buffer_get_end_iter(buffer, &end);
334 gtk_text_buffer_get_iter_at_offset(buffer, &start, sel_start);
335 gtk_text_buffer_get_iter_at_offset(buffer, &end, sel_end);
338 return gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
341 void printing_print(GtkTextView *text_view, GtkWindow *parent, gint sel_start, gint sel_end, GtkImage *avatar)
343 PrintRenderer *textview_renderer = g_new0(PrintRenderer, 1);
345 textview_renderer->get_pango_context = printing_textview_get_pango_context;
346 textview_renderer->get_data_to_print = printing_textview_get_data_to_print;
347 textview_renderer->cb_begin_print = printing_textview_cb_begin_print;
348 textview_renderer->cb_draw_page = printing_textview_cb_draw_page;
350 printing_print_full(parent, textview_renderer, text_view, sel_start, sel_end, avatar);
352 g_free(textview_renderer);
355 void printing_page_setup(GtkWindow *parent)
357 GtkPageSetup *new_page_setup;
362 printing_get_settings();
363 printing_get_page_setup();
365 new_page_setup = gtk_print_run_page_setup_dialog(parent,page_setup,settings);
368 g_object_unref(page_setup);
370 page_setup = new_page_setup;
372 g_free(prefs_common.print_paper_type);
373 prefs_common.print_paper_type = g_strdup(gtk_paper_size_get_name(
374 gtk_page_setup_get_paper_size(page_setup)));
375 prefs_common.print_paper_orientation = gtk_page_setup_get_orientation(page_setup);
376 /* store 100th millimeters */
377 prefs_common.print_margin_top = (int) (100*gtk_page_setup_get_top_margin(page_setup,
378 PAGE_MARGIN_STORAGE_UNIT));
379 prefs_common.print_margin_bottom = (int) (100*gtk_page_setup_get_bottom_margin(page_setup,
380 PAGE_MARGIN_STORAGE_UNIT));
381 prefs_common.print_margin_left = (int) (100*gtk_page_setup_get_left_margin(page_setup,
382 PAGE_MARGIN_STORAGE_UNIT));
383 prefs_common.print_margin_right = (int) (100*gtk_page_setup_get_right_margin(page_setup,
384 PAGE_MARGIN_STORAGE_UNIT));
387 keyfile = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
388 PRINTING_PAGE_SETUP_STORAGE_FILE, NULL);
389 if (!gtk_page_setup_to_file(page_setup, keyfile, NULL)) {
390 debug_print("Printing: Could not store page setup in file `%s'\n", keyfile);
395 static gboolean cb_preview(GtkPrintOperation *operation,
396 GtkPrintOperationPreview *preview,
397 GtkPrintContext *context,
401 PrintData *print_data;
403 PreviewData *preview_data;
409 GtkToolItem *separator;
410 static GdkGeometry geometry;
411 GtkWidget *dialog = NULL;
412 GtkWidget *statusbar = gtk_hbox_new(2, FALSE);
414 debug_print("Creating internal print preview\n");
416 print_data = (PrintData*) data;
418 preview_data = g_new0(PreviewData,1);
419 preview_data->print_data = print_data;
420 preview_data->op = g_object_ref(operation);
421 preview_data->preview = preview;
424 dialog = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "print_preview");
425 preview_data->dialog = dialog;
426 if (!geometry.min_height) {
427 geometry.min_width = 600;
428 geometry.min_height = 400;
430 gtk_window_set_geometry_hints(GTK_WINDOW(dialog), NULL, &geometry,
432 gtk_widget_set_size_request(dialog, prefs_common.print_previewwin_width,
433 prefs_common.print_previewwin_height);
434 gtk_window_set_title(GTK_WINDOW(dialog), _("Print preview"));
437 vbox = gtk_vbox_new(FALSE, 0);
438 gtk_container_add(GTK_CONTAINER(dialog), vbox);
441 toolbar = gtk_toolbar_new();
442 gtk_orientable_set_orientation(GTK_ORIENTABLE(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 #define CLAWS_SET_TOOL_ITEM_TIP(widget,tip) { \
463 gtk_tool_item_set_tooltip_text(GTK_TOOL_ITEM(widget), tip); \
466 #define TOOLBAR_ITEM(item,text,tooltip,cb,cbdata) { \
467 item = GTK_WIDGET(gtk_tool_button_new_from_stock(text)); \
468 gtk_tool_item_set_homogeneous(GTK_TOOL_ITEM(item), FALSE); \
469 gtk_tool_item_set_is_important(GTK_TOOL_ITEM(item), TRUE); \
470 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), GTK_TOOL_ITEM(item), -1); \
471 g_signal_connect (G_OBJECT(item), "clicked", G_CALLBACK(cb), cbdata); \
472 CLAWS_SET_TOOL_ITEM_TIP(GTK_TOOL_ITEM(item), \
476 TOOLBAR_ITEM(preview_data->first, GTK_STOCK_GOTO_FIRST,
477 _("First page"), cb_preview_go_first, preview_data);
478 TOOLBAR_ITEM(preview_data->previous, GTK_STOCK_GO_BACK,
479 _("Previous page"), cb_preview_go_previous, preview_data);
481 page = gtk_label_new("");
482 preview_data->page_nr_label = page;
484 TOOLBAR_ITEM(preview_data->next, GTK_STOCK_GO_FORWARD,
485 _("Next page"), cb_preview_go_next, preview_data);
486 TOOLBAR_ITEM(preview_data->last, GTK_STOCK_GOTO_LAST,
487 _("Last page"), cb_preview_go_last, preview_data);
489 separator = gtk_separator_tool_item_new();
490 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), GTK_TOOL_ITEM(separator), -1);
492 TOOLBAR_ITEM(preview_data->zoom_100, GTK_STOCK_ZOOM_100,
493 _("Zoom 100%"), cb_preview_zoom_100, preview_data);
494 TOOLBAR_ITEM(preview_data->zoom_fit, GTK_STOCK_ZOOM_FIT,
495 _("Zoom fit"), cb_preview_zoom_fit, preview_data);
496 TOOLBAR_ITEM(preview_data->zoom_in, GTK_STOCK_ZOOM_IN,
497 _("Zoom in"), cb_preview_zoom_in, preview_data);
498 TOOLBAR_ITEM(preview_data->zoom_out, GTK_STOCK_ZOOM_OUT,
499 _("Zoom out"), cb_preview_zoom_out, preview_data);
501 separator = gtk_separator_tool_item_new();
502 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), GTK_TOOL_ITEM(separator), -1);
504 /* tooltip has to be NULL else it triggers an expose_event */
505 TOOLBAR_ITEM(preview_data->close, GTK_STOCK_CLOSE, NULL,
506 cb_preview_btn_close, preview_data);
508 gtk_widget_show(statusbar);
509 gtk_box_pack_start(GTK_BOX(vbox), statusbar, FALSE, FALSE, 0);
510 gtk_box_pack_start(GTK_BOX(statusbar), page, FALSE, FALSE, 0);
512 sw = gtk_scrolled_window_new(NULL, NULL);
513 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(sw),
514 GTK_POLICY_AUTOMATIC,
515 GTK_POLICY_AUTOMATIC);
516 gtk_box_pack_start(GTK_BOX(vbox), sw, TRUE, TRUE, 0);
517 da = gtk_drawing_area_new();
518 gtk_widget_set_double_buffered(da, FALSE);
519 gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(sw),
521 gtk_widget_realize(da);
522 preview_data->scrolled_window = sw;
523 preview_data->area = da;
526 cr = gdk_cairo_create(gtk_widget_get_window(da));
527 gtk_print_context_set_cairo_context(context, cr, PREVIEW_SCALE, PREVIEW_SCALE);
531 g_signal_connect(dialog, "key_press_event",
532 G_CALLBACK(cb_preview_close), preview_data);
533 g_signal_connect(dialog, "size_allocate",
534 G_CALLBACK(cb_preview_size_allocate), NULL);
535 g_signal_connect(dialog, "destroy",G_CALLBACK(cb_preview_destroy),
537 g_signal_connect(preview, "ready", G_CALLBACK(cb_preview_ready),
539 g_signal_connect(preview, "got-page-size",
540 G_CALLBACK(cb_preview_got_page_size), preview_data);
542 g_signal_connect(operation, "request-page-setup",
543 G_CALLBACK(cb_preview_request_page_setup), preview_data);
545 gtk_widget_show_all(dialog);
549 static void cb_preview_destroy(GtkWindow *window, gpointer data)
551 PreviewData *preview_data;
552 preview_data = (PreviewData*) data;
554 if (preview_data->rendering)
556 debug_print("Preview window destroyed\n");
558 gtk_print_operation_preview_end_preview(preview_data->preview);
559 g_object_unref(preview_data->op);
560 g_list_free(preview_data->pages_to_print);
562 g_free(preview_data);
565 static gboolean cb_preview_close(GtkWidget *widget, GdkEventAny *event,
568 PreviewData *preview_data = (PreviewData *)data;
569 if (event->type == GDK_KEY_PRESS)
570 if (((GdkEventKey *)event)->keyval != GDK_KEY_Escape)
572 if (preview_data->rendering)
574 gtk_widget_destroy(widget);
578 static void cb_preview_size_allocate(GtkWidget *widget,
579 GtkAllocation *allocation)
581 cm_return_if_fail(allocation != NULL);
583 prefs_common.print_previewwin_width = allocation->width;
584 prefs_common.print_previewwin_height = allocation->height;
587 static void cb_preview_ready(GtkPrintOperationPreview *preview,
588 GtkPrintContext *context,
591 PreviewData *preview_data;
593 preview_data = (PreviewData*) data;
594 debug_print("preview_ready %d\n", preview_data->print_data->npages);
596 for (iPage = 0; iPage < (preview_data->print_data->npages); iPage++) {
597 if (gtk_print_operation_preview_is_selected(preview_data->preview, iPage)) {
598 preview_data->pages_to_print =
599 g_list_prepend(preview_data->pages_to_print,
600 GINT_TO_POINTER(iPage));
601 debug_print("want to print page %d\n",iPage+1);
605 preview_data->pages_to_print = g_list_reverse(preview_data->pages_to_print);
606 preview_data->current_page = preview_data->pages_to_print;
607 preview_data->context = context;
609 #if !GTK_CHECK_VERSION(3, 0, 0)
610 g_signal_connect(preview_data->area, "expose_event",
611 G_CALLBACK(cb_preview_expose),
614 g_signal_connect(preview_data->area, "draw",
615 G_CALLBACK(cb_preview_expose),
619 gtk_widget_queue_draw(preview_data->area);
622 static void cb_preview_got_page_size(GtkPrintOperationPreview *preview,
623 GtkPrintContext *context,
624 GtkPageSetup *page_setup,
627 PreviewData *preview_data;
628 GtkPaperSize *paper_size;
632 preview_data = (PreviewData*) data;
633 debug_print("got_page_size\n");
634 paper_size = gtk_page_setup_get_paper_size(page_setup);
635 paper_width = (gint)(gtk_paper_size_get_width(paper_size, GTK_UNIT_INCH)
637 paper_height = (gint)(gtk_paper_size_get_height(paper_size, GTK_UNIT_INCH)
640 preview_data->page_width = paper_width;
641 preview_data->page_height = paper_height;
643 debug_print("w/h %d/%d\n", paper_width, paper_height);
644 gtk_widget_set_size_request(GTK_WIDGET(preview_data->area),
645 paper_width, paper_height);
648 #if !GTK_CHECK_VERSION(3, 0, 0)
649 static gboolean cb_preview_expose(GtkWidget *widget, GdkEventExpose *event,
652 static gboolean cb_preview_expose(GtkWidget *widget, cairo_t *cr,
656 PreviewData *preview_data = data;
657 #if !GTK_CHECK_VERSION(3, 0, 0)
661 debug_print("preview_expose (current %p)\n", preview_data->current_page);
663 #if !GTK_CHECK_VERSION(3, 0, 0)
664 cr = gdk_cairo_create(gtk_widget_get_window(preview_data->area));
668 cairo_set_source_rgb(cr, 0.5, 0.5, 0.5);
669 #if !GTK_CHECK_VERSION(3, 0, 0)
670 cairo_rectangle(cr, event->area.x, event->area.y, event->area.width, event->area.height);
675 cairo_set_source_rgb(cr, 0., 0., 0.);
676 cairo_rectangle(cr, PREVIEW_SHADOW_OFFSET, PREVIEW_SHADOW_OFFSET,
677 preview_data->page_width+PREVIEW_SHADOW_OFFSET,
678 preview_data->page_height+PREVIEW_SHADOW_OFFSET);
682 cairo_set_source_rgb(cr, 1., 1., 1.);
683 cairo_rectangle(cr, 0, 0,
684 preview_data->page_width,
685 preview_data->page_height);
688 gtk_print_context_set_cairo_context(preview_data->context, cr, PREVIEW_SCALE, PREVIEW_SCALE);
689 #if !GTK_CHECK_VERSION(3, 0, 0)
693 if (preview_data->current_page) {
694 preview_data->rendering = TRUE;
695 gtk_widget_set_sensitive(preview_data->close, FALSE);
696 int cur = GPOINTER_TO_INT(preview_data->current_page->data);
698 str = g_strdup_printf(_("Page %d"), cur+1);
699 gtk_label_set_text(GTK_LABEL(preview_data->page_nr_label), str);
701 gtk_print_operation_preview_render_page(preview_data->preview,
703 (preview_data->current_page->data));
705 gtk_widget_set_sensitive(preview_data->first,
706 preview_data->current_page->prev != NULL);
707 gtk_widget_set_sensitive(preview_data->previous,
708 preview_data->current_page->prev != NULL);
709 gtk_widget_set_sensitive(preview_data->next,
710 preview_data->current_page->next != NULL);
711 gtk_widget_set_sensitive(preview_data->last,
712 preview_data->current_page->next != NULL);
713 gtk_widget_set_sensitive(preview_data->close, TRUE);
714 preview_data->rendering = FALSE;
719 static void cb_preview_go_first(GtkButton *button, gpointer data)
721 PreviewData *preview_data = (PreviewData*) data;
722 preview_data->current_page = preview_data->pages_to_print;
723 gtk_widget_queue_draw(preview_data->area);
726 static void cb_preview_go_previous(GtkButton *button, gpointer data)
729 PreviewData *preview_data = (PreviewData*) data;
730 next = g_list_previous(preview_data->current_page);
732 preview_data->current_page = next;
733 gtk_widget_queue_draw(preview_data->area);
736 static void cb_preview_go_next(GtkButton *button, gpointer data)
739 PreviewData *preview_data = (PreviewData*) data;
740 next = g_list_next(preview_data->current_page);
742 preview_data->current_page = next;
743 gtk_widget_queue_draw(preview_data->area);
746 static void cb_preview_go_last(GtkButton *button, gpointer data)
748 PreviewData *preview_data = (PreviewData*) data;
749 preview_data->current_page = g_list_last(preview_data->current_page);
750 gtk_widget_queue_draw(preview_data->area);
753 static void cb_preview_btn_close(GtkButton *button, gpointer data)
755 PreviewData *preview_data = (PreviewData *)data;
756 if (preview_data->rendering)
758 gtk_widget_destroy(preview_data->dialog);
761 static void cb_preview_zoom_100(GtkButton *button, gpointer data)
763 PreviewData *preview_data = (PreviewData*) data;
764 if (preview_data->print_data->zoom != 1.) {
765 preview_data->print_data->zoom = 1.;
766 gtk_widget_queue_draw(preview_data->area);
767 printing_preview_update_zoom_sensitivity(preview_data);
771 static void cb_preview_zoom_fit(GtkButton *button, gpointer data)
773 PreviewData *preview_data = (PreviewData*) data;
774 GtkAllocation allocation;
778 gtk_widget_get_allocation(preview_data->scrolled_window, &allocation);
779 zoom_w = ((gdouble)allocation.width) /
780 ((gdouble)preview_data->page_width/preview_data->print_data->zoom +
781 PREVIEW_SHADOW_OFFSET);
782 zoom_h = ((gdouble)allocation.height) /
783 ((gdouble)preview_data->page_height/preview_data->print_data->zoom +
784 PREVIEW_SHADOW_OFFSET);
786 preview_data->print_data->zoom = MIN(zoom_w,zoom_h) - 0.01;
788 if (preview_data->print_data->zoom > PREVIEW_ZOOM_MAX)
789 preview_data->print_data->zoom = PREVIEW_ZOOM_MAX;
790 else if (preview_data->print_data->zoom < PREVIEW_ZOOM_MIN)
791 preview_data->print_data->zoom = PREVIEW_ZOOM_MIN;
793 printing_preview_update_zoom_sensitivity(preview_data);
794 gtk_widget_queue_draw(preview_data->area);
797 static void cb_preview_zoom_in(GtkButton *button, gpointer data)
799 PreviewData *preview_data = (PreviewData*) data;
801 new_zoom = preview_data->print_data->zoom * PREVIEW_ZOOM_FAC;
802 if (new_zoom <= PREVIEW_ZOOM_MAX) {
803 preview_data->print_data->zoom = new_zoom;
804 printing_preview_update_zoom_sensitivity(preview_data);
805 gtk_widget_queue_draw(preview_data->area);
809 static void cb_preview_zoom_out(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_MIN) {
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_request_page_setup(GtkPrintOperation *op,
822 GtkPrintContext *context,
824 GtkPageSetup *setup,gpointer data)
826 GtkPaperSize *paper_size;
827 GtkPaperSize *old_size;
831 gdouble bottom_margin;
833 gdouble right_margin;
835 PreviewData *preview_data = (PreviewData*) data;
837 old_size = gtk_page_setup_get_paper_size(setup);
838 width = gtk_paper_size_get_width(old_size,GTK_UNIT_INCH);
839 height = gtk_paper_size_get_height(old_size,GTK_UNIT_INCH);
841 top_margin = gtk_page_setup_get_top_margin(setup,GTK_UNIT_INCH);
842 bottom_margin = gtk_page_setup_get_bottom_margin(setup,GTK_UNIT_INCH);
843 left_margin = gtk_page_setup_get_left_margin(setup,GTK_UNIT_INCH);
844 right_margin = gtk_page_setup_get_right_margin(setup,GTK_UNIT_INCH);
846 paper_size = gtk_paper_size_new_custom("preview paper", "preview_paper",
847 width*preview_data->print_data->zoom,
848 height*preview_data->print_data->zoom,
850 gtk_page_setup_set_paper_size(setup, paper_size);
851 gtk_paper_size_free(paper_size);
853 gtk_page_setup_set_top_margin(setup,top_margin*preview_data->print_data->zoom,
855 gtk_page_setup_set_bottom_margin(setup,bottom_margin*preview_data->print_data->zoom,
857 gtk_page_setup_set_left_margin(setup,left_margin*preview_data->print_data->zoom,
859 gtk_page_setup_set_right_margin(setup,right_margin*preview_data->print_data->zoom,
863 static void printing_textview_cb_begin_print(GtkPrintOperation *op, GtkPrintContext *context,
866 double width, height;
870 PrintData *print_data;
871 PangoFontDescription *desc;
873 PangoLayoutIter *iter;
875 gint num_header_lines;
877 gboolean header_done;
878 gboolean has_headers = FALSE;
880 double line_height =0.;
882 print_data = (PrintData*) user_data;
884 debug_print("Preparing print job...\n");
886 width = gtk_print_context_get_width(context);
887 height = gtk_print_context_get_height(context);
889 if (print_data->layout == NULL)
890 print_data->layout = gtk_print_context_create_pango_layout(context);
892 if (prefs_common.use_different_print_font)
893 desc = pango_font_description_from_string(prefs_common.printfont);
895 desc = pango_font_description_copy(
896 pango_context_get_font_description(print_data->pango_context));
898 pango_layout_set_font_description(print_data->layout, desc);
899 pango_font_description_free(desc);
901 pango_layout_set_width(print_data->layout, width * PANGO_SCALE);
902 pango_layout_set_text(print_data->layout, (char *)print_data->to_print, -1);
904 printing_layout_set_text_attributes(print_data, context, &has_headers);
906 num_lines = pango_layout_get_line_count(print_data->layout);
912 iter = pango_layout_get_iter(print_data->layout);
914 /* find the last character of the header */
917 text = pango_layout_get_text(print_data->layout);
920 if (text && *text && *text != '\n') {
922 if (text[0] == '\n' && (text[1] != '\0') && (text[1] == '\n'))
927 } while(*text && !header_done);
929 /* find line number for header end */
930 pango_layout_index_to_line_x(print_data->layout, header_end_pos, 1,
931 &num_header_lines, &dummy);
932 /* line count is zero-based */
935 print_data->ypos_line = -1.0;
939 PangoRectangle logical_rect;
940 PangoAttrShape *attr = NULL;
943 pango_layout_iter_get_line_extents(iter, NULL, &logical_rect);
945 if ((attr = g_hash_table_lookup(print_data->images,
946 GINT_TO_POINTER(pango_layout_iter_get_index(iter)))) != NULL) {
947 line_height = (double)gdk_pixbuf_get_height(GDK_PIXBUF(attr->data));
949 line_height = ((double)logical_rect.height) / PANGO_SCALE;
952 if ((page_height + line_height) > height) {
953 page_breaks = g_list_prepend(page_breaks, GINT_TO_POINTER(ii));
957 if (has_headers && ii == num_header_lines) {
959 pango_layout_iter_get_line_yrange(iter,&y0,&y1);
960 print_data->ypos_line = (double)y0 + 1./3.*((double)(y1 - y0))/2.;
963 page_height += line_height;
965 } while(ii < num_lines && pango_layout_iter_next_line(iter));
966 pango_layout_iter_free(iter);
968 page_breaks = g_list_reverse(page_breaks);
969 print_data->npages = g_list_length(page_breaks) + 1;
970 print_data->page_breaks = page_breaks;
972 gtk_print_operation_set_n_pages(op, print_data->npages);
974 debug_print("Starting print job...\n");
977 static cairo_surface_t *pixbuf_to_surface(GdkPixbuf *pixbuf)
979 cairo_surface_t *surface;
980 cairo_format_t format;
981 static const cairo_user_data_key_t key;
982 guchar *pixels = g_malloc(
984 gdk_pixbuf_get_width(pixbuf)*
985 gdk_pixbuf_get_height(pixbuf));
986 guchar *src_pixels = gdk_pixbuf_get_pixels (pixbuf);
987 gint width = gdk_pixbuf_get_width(pixbuf);
988 gint height = gdk_pixbuf_get_height(pixbuf);
989 gint nchans = gdk_pixbuf_get_n_channels (pixbuf);
990 gint stride = gdk_pixbuf_get_rowstride (pixbuf);
994 format = CAIRO_FORMAT_RGB24;
996 format = CAIRO_FORMAT_ARGB32;
997 surface = cairo_image_surface_create_for_data (pixels,
998 format, width, height, 4*width);
999 cairo_surface_set_user_data (surface, &key,
1000 pixels, (cairo_destroy_func_t)g_free);
1002 for (j = height; j; j--) {
1003 guchar *p = src_pixels;
1007 guchar *end = p + 3 * width;
1010 #if G_BYTE_ORDER == G_LITTLE_ENDIAN
1023 guchar *end = p + 4 * width;
1026 #define MULT(d,c,a,t) G_STMT_START { t = c * a + 0x7f; d = ((t >> 8) + t) >> 8; } G_STMT_END
1029 #if G_BYTE_ORDER == G_LITTLE_ENDIAN
1030 MULT(q[0], p[2], p[3], t1);
1031 MULT(q[1], p[1], p[3], t2);
1032 MULT(q[2], p[0], p[3], t3);
1036 MULT(q[1], p[0], p[3], t1);
1037 MULT(q[2], p[1], p[3], t2);
1038 MULT(q[3], p[2], p[3], t3);
1048 src_pixels += stride;
1049 pixels += 4 * width;
1055 static void printing_textview_cb_draw_page(GtkPrintOperation *op, GtkPrintContext *context,
1056 int page_nr, gpointer user_data)
1059 PrintData *print_data;
1062 PangoLayoutIter *iter;
1064 gboolean notlast = TRUE;
1066 print_data = (PrintData*) user_data;
1071 pagebreak = g_list_nth(print_data->page_breaks, page_nr - 1);
1072 start = GPOINTER_TO_INT(pagebreak->data);
1075 pagebreak = g_list_nth(print_data->page_breaks, page_nr);
1076 if (pagebreak == NULL)
1077 end = pango_layout_get_line_count(print_data->layout);
1079 end = GPOINTER_TO_INT(pagebreak->data);
1081 cr = gtk_print_context_get_cairo_context(context);
1082 cairo_scale(cr, print_data->zoom, print_data->zoom);
1083 cairo_set_source_rgb(cr, 0., 0., 0.);
1087 iter = pango_layout_get_iter(print_data->layout);
1089 PangoRectangle logical_rect;
1090 PangoLayoutLine *line;
1091 PangoAttrShape *attr = NULL;
1095 line = pango_layout_iter_get_line(iter);
1097 pango_layout_iter_get_line_extents(iter, NULL, &logical_rect);
1098 baseline = pango_layout_iter_get_baseline(iter);
1101 start_pos = ((double)logical_rect.y) / PANGO_SCALE;
1103 /* Draw header separator line */
1104 if (ii == 0 && print_data->ypos_line >= 0) {
1105 cairo_surface_t *surface;
1106 surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
1107 gtk_print_context_get_width(context)/print_data->zoom,
1108 gtk_print_context_get_height(context)/print_data->zoom);
1109 cairo_set_line_width(cr, .5);
1110 cairo_set_source_surface(cr, surface,
1111 ((double)logical_rect.x) / PANGO_SCALE,
1112 ((double)baseline) / PANGO_SCALE - start_pos);
1113 cairo_move_to(cr, ((double)logical_rect.x) / PANGO_SCALE,
1114 (double)print_data->ypos_line / PANGO_SCALE);
1115 cairo_rel_line_to(cr, gtk_print_context_get_width(context)/print_data->zoom, 0);
1116 cairo_set_source_rgb(cr, 0., 0., 0.);
1118 cairo_surface_destroy(surface);
1122 ((double)logical_rect.x) / PANGO_SCALE,
1123 ((double)baseline) / PANGO_SCALE - start_pos);
1125 if ((attr = g_hash_table_lookup(print_data->images,
1126 GINT_TO_POINTER(pango_layout_iter_get_index(iter)))) != NULL) {
1127 cairo_surface_t *surface;
1129 surface = pixbuf_to_surface(GDK_PIXBUF(attr->data));
1130 cairo_set_source_surface (cr, surface,
1131 ((double)logical_rect.x) / PANGO_SCALE,
1132 ((double)baseline) / PANGO_SCALE - start_pos);
1134 cairo_surface_destroy (surface);
1136 pango_cairo_show_layout_line(cr, line);
1140 } while(ii < end && (notlast = pango_layout_iter_next_line(iter)));
1142 if (print_data->avatar && page_nr == 0) {
1143 cairo_surface_t *surface;
1144 GdkPixbuf *pixbuf = gtk_image_get_pixbuf(print_data->avatar);
1145 gdouble startx, starty;
1147 startx = gtk_print_context_get_width(context)/print_data->zoom;
1149 startx -= ((double)gdk_pixbuf_get_width(pixbuf));
1153 surface = pixbuf_to_surface(pixbuf);
1154 cairo_set_source_surface (cr, surface, startx, starty);
1156 cairo_surface_destroy (surface);
1159 pango_layout_iter_free(iter);
1160 debug_print("Sent page %d to printer\n", page_nr+1);
1163 static void printing_layout_set_text_attributes(PrintData *print_data,
1164 GtkPrintContext *context,
1165 gboolean *has_headers)
1168 PangoAttrList *attr_list;
1169 PangoAttribute *attr;
1170 GSList *open_attrs, *attr_walk;
1171 GtkTextView *text_view = GTK_TEXT_VIEW(print_data->renderer_data);
1172 GtkTextBuffer *buffer = gtk_text_view_get_buffer(text_view);
1174 *has_headers = FALSE;
1176 attr_list = pango_attr_list_new();
1177 if (print_data->sel_start < 0 || print_data->sel_end <= print_data->sel_start) {
1178 gtk_text_buffer_get_start_iter(buffer, &iter);
1180 gtk_text_buffer_get_iter_at_offset(buffer, &iter, print_data->sel_start);
1185 gboolean fg_set, bg_set, under_set, strike_set, weight_set;
1186 GSList *tags, *tag_walk;
1188 GdkColor *color = NULL;
1189 PangoUnderline underline;
1190 gboolean strikethrough;
1194 if (prefs_common.print_imgs && (image = gtk_text_iter_get_pixbuf(&iter)) != NULL) {
1195 PangoRectangle rect = {0, 0, 0, 0};
1196 gint startpos = printing_text_iter_get_offset_bytes(print_data, &iter);
1197 gint h = gdk_pixbuf_get_height(image);
1198 gint w = gdk_pixbuf_get_width(image);
1199 gint a_h = gtk_print_context_get_height(context);
1200 gint a_w = gtk_print_context_get_width(context);
1202 GdkPixbuf *scaled = NULL;
1203 image_viewer_get_resized_size(w, h, a_w, a_h, &r_w, &r_h);
1206 rect.width = r_w * PANGO_SCALE;
1207 rect.height = r_h * PANGO_SCALE;
1209 scaled = gdk_pixbuf_scale_simple(image, r_w, r_h, GDK_INTERP_BILINEAR);
1210 attr = pango_attr_shape_new_with_data (&rect, &rect,
1211 scaled, NULL, NULL);
1212 attr->start_index = startpos;
1213 attr->end_index = startpos+1;
1214 pango_attr_list_insert(attr_list, attr);
1215 g_hash_table_insert(print_data->images, GINT_TO_POINTER(startpos), attr);
1216 print_data->img_cnt++;
1219 if (gtk_text_iter_ends_tag(&iter, NULL)) {
1220 PangoAttrColor *attr_color;
1221 PangoAttrInt *attr_int;
1223 tags = gtk_text_iter_get_toggled_tags(&iter, FALSE);
1224 for (tag_walk = tags; tag_walk != NULL; tag_walk = tag_walk->next) {
1227 tag = GTK_TEXT_TAG(tag_walk->data);
1228 g_object_get(G_OBJECT(tag),
1229 "background-set", &bg_set,
1230 "foreground-set", &fg_set,
1231 "underline-set",&under_set,
1232 "strikethrough-set", &strike_set,
1233 "weight-set", &weight_set,
1238 for (attr_walk = open_attrs; attr_walk != NULL;
1239 attr_walk = attr_walk->next) {
1240 attr = (PangoAttribute*)attr_walk->data;
1241 if (attr->klass->type == PANGO_ATTR_FOREGROUND) {
1242 attr_color = (PangoAttrColor*) attr;
1243 g_object_get(G_OBJECT(tag), "foreground_gdk",
1246 printing_is_pango_gdk_color_equal(&(attr_color->color),
1248 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1249 pango_attr_list_insert(attr_list, attr);
1251 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
1255 gdk_color_free(color);
1259 debug_print("Error generating attribute list.\n");
1264 for (attr_walk = open_attrs; attr_walk != NULL;
1265 attr_walk = attr_walk->next) {
1266 attr = (PangoAttribute*)attr_walk->data;
1267 if (attr->klass->type == PANGO_ATTR_BACKGROUND) {
1268 attr_color = (PangoAttrColor*) attr;
1269 g_object_get(G_OBJECT(tag), "background-gdk",
1272 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)
1437 if (print_data->sel_start < 0 || print_data->sel_end <= print_data->sel_start) {
1438 gtk_text_buffer_get_start_iter(gtk_text_iter_get_buffer(iter), &start);
1440 gtk_text_buffer_get_iter_at_offset(gtk_text_iter_get_buffer(iter), &start, print_data->sel_start);
1442 text = gtk_text_iter_get_text(&start, iter);
1443 off_bytes = strlen(text);
1448 static void printing_preview_update_zoom_sensitivity(PreviewData *preview_data)
1450 if((preview_data->print_data->zoom * PREVIEW_ZOOM_FAC) > PREVIEW_ZOOM_MAX)
1451 gtk_widget_set_sensitive(preview_data->zoom_in, FALSE);
1453 gtk_widget_set_sensitive(preview_data->zoom_in, TRUE);
1455 if ((preview_data->print_data->zoom / PREVIEW_ZOOM_FAC) < PREVIEW_ZOOM_MIN)
1456 gtk_widget_set_sensitive(preview_data->zoom_out, FALSE);
1458 gtk_widget_set_sensitive(preview_data->zoom_out, TRUE);