1 /* Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
2 * Copyright (C) 2007-2009 Holger Berndt <hb@claws-mail.org>,
3 * Colin Leroy <colin@colino.net>, and the Claws Mail team
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
27 #include "image_viewer.h"
31 #include "prefs_common.h"
33 #include <glib/gi18n.h>
34 #include <gdk/gdkkeysyms.h>
36 #include <pango/pango.h>
41 PrintRenderer *renderer;
42 gpointer renderer_data;
44 PangoContext *pango_context;
57 GtkPrintOperation *op;
58 GtkPrintOperationPreview *preview;
60 GtkWidget *scrolled_window;
62 PrintData *print_data;
63 GtkWidget *page_nr_label;
64 GList *pages_to_print;
78 GtkPrintContext *context;
82 static void printing_textview_cb_begin_print(GtkPrintOperation*,
83 GtkPrintContext*, gpointer);
84 static void printing_textview_cb_draw_page(GtkPrintOperation*,
85 GtkPrintContext*, gint,
87 static gboolean cb_preview(GtkPrintOperation*, GtkPrintOperationPreview*,
88 GtkPrintContext*, GtkWindow*, gpointer);
89 static void cb_preview_destroy(GtkWindow*, gpointer);
90 static gboolean cb_preview_close(GtkWidget*, GdkEventAny*, gpointer);
91 static void cb_preview_size_allocate(GtkWidget*, GtkAllocation*);
92 static void cb_preview_ready(GtkPrintOperationPreview*,
93 GtkPrintContext*, gpointer);
94 static gboolean cb_preview_expose(GtkWidget*, GdkEventExpose*, gpointer);
95 static void cb_preview_got_page_size(GtkPrintOperationPreview*,
97 GtkPageSetup*, gpointer);
98 static void cb_preview_go_first(GtkButton*, gpointer);
99 static void cb_preview_go_previous(GtkButton*, gpointer);
100 static void cb_preview_go_next(GtkButton*, gpointer);
101 static void cb_preview_go_last(GtkButton*, gpointer);
102 static void cb_preview_btn_close(GtkButton*, gpointer);
103 static void cb_preview_zoom_100(GtkButton*, gpointer);
104 static void cb_preview_zoom_fit(GtkButton*, gpointer);
105 static void cb_preview_zoom_in(GtkButton*, gpointer);
106 static void cb_preview_zoom_out(GtkButton*, gpointer);
107 static void cb_preview_request_page_setup(GtkPrintOperation*,
109 gint,GtkPageSetup*,gpointer);
111 static void printing_preview_update_zoom_sensitivity(PreviewData*);
114 static GtkPrintSettings *settings = NULL;
115 static GtkPageSetup *page_setup = NULL;
117 /* other static functions */
118 static void printing_layout_set_text_attributes(PrintData*, GtkPrintContext *, gboolean *);
119 static gboolean printing_is_pango_gdk_color_equal(PangoColor*, GdkColor*);
120 static gint printing_text_iter_get_offset_bytes(PrintData *, const GtkTextIter*);
122 #define PAGE_MARGIN_STORAGE_UNIT GTK_UNIT_MM
123 #define PREVIEW_SCALE 72
124 #define PREVIEW_SHADOW_OFFSET 3
125 #define PREVIEW_ZOOM_FAC 1.41
126 #define PREVIEW_ZOOM_MAX 10.
127 #define PREVIEW_ZOOM_MIN 0.2
129 static void free_pixbuf(gpointer key, gpointer value, gpointer data)
131 PangoAttrShape *attr = (PangoAttrShape *) value;
132 g_object_unref(G_OBJECT(attr->data));
135 gpointer printing_get_renderer_data(PrintData *print_data)
139 return print_data->renderer_data;
142 gdouble printing_get_zoom(PrintData *print_data)
146 return print_data->zoom;
149 void printing_set_n_pages(PrintData *print_data, gint n_pages)
153 print_data->npages = n_pages;
156 GtkPrintSettings *printing_get_settings(void)
158 if (settings == NULL) {
159 settings = gtk_print_settings_new();
160 gtk_print_settings_set_use_color(settings, prefs_common.print_use_color);
161 gtk_print_settings_set_collate(settings, prefs_common.print_use_collate);
162 gtk_print_settings_set_reverse(settings, prefs_common.print_use_reverse);
163 gtk_print_settings_set_duplex(settings, prefs_common.print_use_duplex);
168 void printing_store_settings(GtkPrintSettings *new_settings)
170 if (settings != NULL)
171 g_object_unref(settings);
173 settings = g_object_ref(new_settings);
174 prefs_common.print_use_color = gtk_print_settings_get_use_color(settings);
175 prefs_common.print_use_collate = gtk_print_settings_get_collate(settings);
176 prefs_common.print_use_reverse = gtk_print_settings_get_reverse(settings);
177 prefs_common.print_use_duplex = gtk_print_settings_get_duplex(settings);
180 GtkPageSetup *printing_get_page_setup(void)
182 if (page_setup == NULL) {
183 gboolean read_from_file;
184 char *page_setup_filename;
186 gboolean key_file_read;
188 page_setup = gtk_page_setup_new();
190 read_from_file = FALSE;
192 #if GTK_CHECK_VERSION(2,14,0)
193 /* try reading the page setup from file */
194 page_setup_filename = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
195 PRINTING_PAGE_SETUP_STORAGE_FILE, NULL);
196 keyfile = g_key_file_new();
197 key_file_read = g_key_file_load_from_file(keyfile, page_setup_filename,
199 g_free(page_setup_filename);
202 read_from_file = gtk_page_setup_load_key_file(page_setup, keyfile,
204 g_key_file_free(keyfile);
206 if (read_from_file) {
207 debug_print("Printing: Read page setup from key file\n");
209 debug_print("Printing: Could not read page setup from key file\n");
212 key_file_read = FALSE;
214 page_setup_filename = NULL;
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)
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;
267 print_data->zoom = 1.;
269 print_data->images = g_hash_table_new(g_direct_hash, g_direct_equal);
271 print_data->pango_context = renderer->get_pango_context(renderer_data);
273 print_data->to_print = renderer->get_data_to_print(renderer_data, sel_start, sel_end);
275 printing_get_settings();
276 printing_get_page_setup();
278 /* Config for printing */
279 gtk_print_operation_set_print_settings(op, settings);
280 gtk_print_operation_set_default_page_setup(op, page_setup);
281 #if GTK_CHECK_VERSION(2, 18, 0)
282 /* enable Page Size and Orientation in the print dialog */
283 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);
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)
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);
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));
386 #if GTK_CHECK_VERSION(2,14,0)
388 keyfile = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
389 PRINTING_PAGE_SETUP_STORAGE_FILE, NULL);
390 if (!gtk_page_setup_to_file(page_setup, keyfile, NULL)) {
391 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);
417 debug_print("Creating internal print preview\n");
419 print_data = (PrintData*) data;
421 preview_data = g_new0(PreviewData,1);
422 preview_data->print_data = print_data;
423 preview_data->op = g_object_ref(operation);
424 preview_data->preview = preview;
427 dialog = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "print_preview");
428 preview_data->dialog = dialog;
429 if (!geometry.min_height) {
430 geometry.min_width = 600;
431 geometry.min_height = 400;
433 gtk_window_set_geometry_hints(GTK_WINDOW(dialog), NULL, &geometry,
435 gtk_widget_set_size_request(dialog, prefs_common.print_previewwin_width,
436 prefs_common.print_previewwin_height);
437 gtk_window_set_title(GTK_WINDOW(dialog), _("Print preview"));
440 vbox = gtk_vbox_new(FALSE, 0);
441 gtk_container_add(GTK_CONTAINER(dialog), vbox);
444 toolbar = gtk_toolbar_new();
445 #if (GTK_CHECK_VERSION(2,16,0))
446 gtk_orientable_set_orientation(GTK_ORIENTABLE(toolbar), GTK_ORIENTATION_HORIZONTAL);
448 gtk_toolbar_set_orientation(GTK_TOOLBAR(toolbar), GTK_ORIENTATION_HORIZONTAL);
450 switch (prefs_common.toolbar_style) {
452 gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_ICONS);
455 gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_TEXT);
457 case TOOLBAR_BOTH_HORIZ:
458 gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_BOTH_HORIZ);
462 gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_BOTH);
464 gtk_toolbar_set_show_arrow(GTK_TOOLBAR(toolbar), TRUE);
466 gtk_box_pack_start(GTK_BOX(vbox), toolbar, FALSE, FALSE, 0);
468 #if !(GTK_CHECK_VERSION(2,12,0))
469 #define CLAWS_SET_TOOL_ITEM_TIP(widget,tip) { \
470 gtk_tool_item_set_tooltip(GTK_TOOL_ITEM(widget), GTK_TOOLTIPS(tips), \
474 #define CLAWS_SET_TOOL_ITEM_TIP(widget,tip) { \
475 gtk_tool_item_set_tooltip_text(GTK_TOOL_ITEM(widget), tip); \
479 #define TOOLBAR_ITEM(item,text,tooltip,cb,cbdata) { \
480 item = GTK_WIDGET(gtk_tool_button_new_from_stock(text)); \
481 gtk_tool_item_set_homogeneous(GTK_TOOL_ITEM(item), FALSE); \
482 gtk_tool_item_set_is_important(GTK_TOOL_ITEM(item), TRUE); \
483 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), GTK_TOOL_ITEM(item), -1); \
484 g_signal_connect (G_OBJECT(item), "clicked", G_CALLBACK(cb), cbdata); \
485 CLAWS_SET_TOOL_ITEM_TIP(GTK_TOOL_ITEM(item), \
489 TOOLBAR_ITEM(preview_data->first, GTK_STOCK_GOTO_FIRST,
490 _("First page"), cb_preview_go_first, preview_data);
491 TOOLBAR_ITEM(preview_data->previous, GTK_STOCK_GO_BACK,
492 _("Previous page"), cb_preview_go_previous, preview_data);
494 page = gtk_label_new("");
495 gtk_widget_set_size_request(page, 100, -1);
496 preview_data->page_nr_label = page;
498 TOOLBAR_ITEM(preview_data->next, GTK_STOCK_GO_FORWARD,
499 _("Next page"), cb_preview_go_next, preview_data);
500 TOOLBAR_ITEM(preview_data->last, GTK_STOCK_GOTO_LAST,
501 _("Last page"), cb_preview_go_last, preview_data);
503 separator = gtk_separator_tool_item_new();
504 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), GTK_TOOL_ITEM(separator), -1);
506 TOOLBAR_ITEM(preview_data->zoom_100, GTK_STOCK_ZOOM_100,
507 _("Zoom 100%"), cb_preview_zoom_100, preview_data);
508 TOOLBAR_ITEM(preview_data->zoom_fit, GTK_STOCK_ZOOM_FIT,
509 _("Zoom fit"), cb_preview_zoom_fit, preview_data);
510 TOOLBAR_ITEM(preview_data->zoom_in, GTK_STOCK_ZOOM_IN,
511 _("Zoom in"), cb_preview_zoom_in, preview_data);
512 TOOLBAR_ITEM(preview_data->zoom_out, GTK_STOCK_ZOOM_OUT,
513 _("Zoom out"), cb_preview_zoom_out, preview_data);
515 separator = gtk_separator_tool_item_new();
516 gtk_toolbar_insert(GTK_TOOLBAR(toolbar), GTK_TOOL_ITEM(separator), -1);
518 /* tooltip has to be NULL else it triggers an expose_event */
519 TOOLBAR_ITEM(preview_data->close, GTK_STOCK_CLOSE, NULL,
520 cb_preview_btn_close, preview_data);
522 gtk_widget_show(statusbar);
523 gtk_box_pack_start(GTK_BOX(vbox), statusbar, FALSE, FALSE, 0);
524 gtk_box_pack_start(GTK_BOX(statusbar), page, FALSE, FALSE, 0);
526 sw = gtk_scrolled_window_new(NULL, NULL);
527 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(sw),
528 GTK_POLICY_AUTOMATIC,
529 GTK_POLICY_AUTOMATIC);
530 gtk_box_pack_start(GTK_BOX(vbox), sw, TRUE, TRUE, 0);
531 da = gtk_drawing_area_new();
532 gtk_widget_set_double_buffered(da, FALSE);
533 gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(sw),
535 gtk_widget_realize(da);
536 preview_data->scrolled_window = sw;
537 preview_data->area = da;
540 cr = gdk_cairo_create(da->window);
541 gtk_print_context_set_cairo_context(context, cr, PREVIEW_SCALE, PREVIEW_SCALE);
545 g_signal_connect(dialog, "key_press_event",
546 G_CALLBACK(cb_preview_close), preview_data);
547 g_signal_connect(dialog, "size_allocate",
548 G_CALLBACK(cb_preview_size_allocate), NULL);
549 g_signal_connect(dialog, "destroy",G_CALLBACK(cb_preview_destroy),
551 g_signal_connect(preview, "ready", G_CALLBACK(cb_preview_ready),
553 g_signal_connect(preview, "got-page-size",
554 G_CALLBACK(cb_preview_got_page_size), preview_data);
556 g_signal_connect(operation, "request-page-setup",
557 G_CALLBACK(cb_preview_request_page_setup), preview_data);
559 gtk_widget_show_all(dialog);
563 static void cb_preview_destroy(GtkWindow *window, gpointer data)
565 PreviewData *preview_data;
566 preview_data = (PreviewData*) data;
568 if (preview_data->rendering)
570 debug_print("Preview window destroyed\n");
572 gtk_print_operation_preview_end_preview(preview_data->preview);
573 g_object_unref(preview_data->op);
574 g_list_free(preview_data->pages_to_print);
576 g_free(preview_data);
579 static gboolean cb_preview_close(GtkWidget *widget, GdkEventAny *event,
582 PreviewData *preview_data = (PreviewData *)data;
583 if (event->type == GDK_KEY_PRESS)
584 if (((GdkEventKey *)event)->keyval != GDK_Escape)
586 if (preview_data->rendering)
588 gtk_widget_destroy(widget);
592 static void cb_preview_size_allocate(GtkWidget *widget,
593 GtkAllocation *allocation)
595 cm_return_if_fail(allocation != NULL);
597 prefs_common.print_previewwin_width = allocation->width;
598 prefs_common.print_previewwin_height = allocation->height;
601 static void cb_preview_ready(GtkPrintOperationPreview *preview,
602 GtkPrintContext *context,
605 PreviewData *preview_data;
607 preview_data = (PreviewData*) data;
608 debug_print("preview_ready %d\n", preview_data->print_data->npages);
610 for (iPage = 0; iPage < (preview_data->print_data->npages); iPage++) {
611 if (gtk_print_operation_preview_is_selected(preview_data->preview, iPage)) {
612 preview_data->pages_to_print =
613 g_list_prepend(preview_data->pages_to_print,
614 GINT_TO_POINTER(iPage));
615 debug_print("want to print page %d\n",iPage+1);
619 preview_data->pages_to_print = g_list_reverse(preview_data->pages_to_print);
620 preview_data->current_page = preview_data->pages_to_print;
621 preview_data->context = context;
623 g_signal_connect(preview_data->area, "expose_event",
624 G_CALLBACK(cb_preview_expose),
627 gtk_widget_queue_draw(preview_data->area);
630 static void cb_preview_got_page_size(GtkPrintOperationPreview *preview,
631 GtkPrintContext *context,
632 GtkPageSetup *page_setup,
635 PreviewData *preview_data;
636 GtkPageOrientation orientation;
637 GtkPaperSize *paper_size;
641 preview_data = (PreviewData*) data;
642 debug_print("got_page_size\n");
643 orientation = gtk_page_setup_get_orientation(page_setup);
644 paper_size = gtk_page_setup_get_paper_size(page_setup);
645 paper_width = (gint)(gtk_paper_size_get_width(paper_size, GTK_UNIT_INCH)
647 paper_height = (gint)(gtk_paper_size_get_height(paper_size, GTK_UNIT_INCH)
650 preview_data->page_width = paper_width;
651 preview_data->page_height = paper_height;
653 debug_print("w/h %d/%d\n", paper_width, paper_height);
654 gtk_widget_set_size_request(GTK_WIDGET(preview_data->area),
655 paper_width, paper_height);
658 static gboolean cb_preview_expose(GtkWidget *widget, GdkEventExpose *event,
661 PreviewData *preview_data = data;
664 debug_print("preview_expose (current %p)\n", preview_data->current_page);
666 cr = gdk_cairo_create(preview_data->area->window);
669 cairo_set_source_rgb(cr, 0.5, 0.5, 0.5);
670 cairo_rectangle(cr, event->area.x, event->area.y, event->area.width, event->area.height);
674 cairo_set_source_rgb(cr, 0., 0., 0.);
675 cairo_rectangle(cr, PREVIEW_SHADOW_OFFSET, PREVIEW_SHADOW_OFFSET,
676 preview_data->page_width+PREVIEW_SHADOW_OFFSET,
677 preview_data->page_height+PREVIEW_SHADOW_OFFSET);
681 cairo_set_source_rgb(cr, 1., 1., 1.);
682 cairo_rectangle(cr, 0, 0,
683 preview_data->page_width,
684 preview_data->page_height);
687 gtk_print_context_set_cairo_context(preview_data->context, cr, PREVIEW_SCALE, PREVIEW_SCALE);
690 if (preview_data->current_page) {
691 preview_data->rendering = TRUE;
692 gtk_widget_set_sensitive(preview_data->close, FALSE);
693 int cur = GPOINTER_TO_INT(preview_data->current_page->data);
695 str = g_strdup_printf(_("Page %d"), cur+1);
696 gtk_label_set_text(GTK_LABEL(preview_data->page_nr_label), str);
698 gtk_print_operation_preview_render_page(preview_data->preview,
700 (preview_data->current_page->data));
702 gtk_widget_set_sensitive(preview_data->first,
703 preview_data->current_page->prev != NULL);
704 gtk_widget_set_sensitive(preview_data->previous,
705 preview_data->current_page->prev != NULL);
706 gtk_widget_set_sensitive(preview_data->next,
707 preview_data->current_page->next != NULL);
708 gtk_widget_set_sensitive(preview_data->last,
709 preview_data->current_page->next != NULL);
710 gtk_widget_set_sensitive(preview_data->close, TRUE);
711 preview_data->rendering = FALSE;
716 static void cb_preview_go_first(GtkButton *button, gpointer data)
718 PreviewData *preview_data = (PreviewData*) data;
719 preview_data->current_page = preview_data->pages_to_print;
720 gtk_widget_queue_draw(preview_data->area);
723 static void cb_preview_go_previous(GtkButton *button, gpointer data)
726 PreviewData *preview_data = (PreviewData*) data;
727 next = g_list_previous(preview_data->current_page);
729 preview_data->current_page = next;
730 gtk_widget_queue_draw(preview_data->area);
733 static void cb_preview_go_next(GtkButton *button, gpointer data)
736 PreviewData *preview_data = (PreviewData*) data;
737 next = g_list_next(preview_data->current_page);
739 preview_data->current_page = next;
740 gtk_widget_queue_draw(preview_data->area);
743 static void cb_preview_go_last(GtkButton *button, gpointer data)
745 PreviewData *preview_data = (PreviewData*) data;
746 preview_data->current_page = g_list_last(preview_data->current_page);
747 gtk_widget_queue_draw(preview_data->area);
750 static void cb_preview_btn_close(GtkButton *button, gpointer data)
752 PreviewData *preview_data = (PreviewData *)data;
753 if (preview_data->rendering)
755 gtk_widget_destroy(preview_data->dialog);
758 static void cb_preview_zoom_100(GtkButton *button, gpointer data)
760 PreviewData *preview_data = (PreviewData*) data;
761 if (preview_data->print_data->zoom != 1.) {
762 preview_data->print_data->zoom = 1.;
763 gtk_widget_queue_draw(preview_data->area);
764 printing_preview_update_zoom_sensitivity(preview_data);
768 static void cb_preview_zoom_fit(GtkButton *button, gpointer data)
770 PreviewData *preview_data = (PreviewData*) data;
774 zoom_w = ((gdouble)preview_data->scrolled_window->allocation.width) /
775 ((gdouble)preview_data->page_width/preview_data->print_data->zoom +
776 PREVIEW_SHADOW_OFFSET);
777 zoom_h = ((gdouble)preview_data->scrolled_window->allocation.height) /
778 ((gdouble)preview_data->page_height/preview_data->print_data->zoom +
779 PREVIEW_SHADOW_OFFSET);
781 preview_data->print_data->zoom = MIN(zoom_w,zoom_h) - 0.01;
783 if (preview_data->print_data->zoom > PREVIEW_ZOOM_MAX)
784 preview_data->print_data->zoom = PREVIEW_ZOOM_MAX;
785 else if (preview_data->print_data->zoom < PREVIEW_ZOOM_MIN)
786 preview_data->print_data->zoom = PREVIEW_ZOOM_MIN;
788 printing_preview_update_zoom_sensitivity(preview_data);
789 gtk_widget_queue_draw(preview_data->area);
792 static void cb_preview_zoom_in(GtkButton *button, gpointer data)
794 PreviewData *preview_data = (PreviewData*) data;
796 new_zoom = preview_data->print_data->zoom * PREVIEW_ZOOM_FAC;
797 if (new_zoom <= PREVIEW_ZOOM_MAX) {
798 preview_data->print_data->zoom = new_zoom;
799 printing_preview_update_zoom_sensitivity(preview_data);
800 gtk_widget_queue_draw(preview_data->area);
804 static void cb_preview_zoom_out(GtkButton *button, gpointer data)
806 PreviewData *preview_data = (PreviewData*) data;
808 new_zoom = preview_data->print_data->zoom / PREVIEW_ZOOM_FAC;
809 if (new_zoom >= PREVIEW_ZOOM_MIN) {
810 preview_data->print_data->zoom = new_zoom;
811 printing_preview_update_zoom_sensitivity(preview_data);
812 gtk_widget_queue_draw(preview_data->area);
816 static void cb_preview_request_page_setup(GtkPrintOperation *op,
817 GtkPrintContext *context,
819 GtkPageSetup *setup,gpointer data)
821 GtkPaperSize *paper_size;
822 GtkPaperSize *old_size;
826 gdouble bottom_margin;
828 gdouble right_margin;
830 PreviewData *preview_data = (PreviewData*) data;
832 old_size = gtk_page_setup_get_paper_size(setup);
833 width = gtk_paper_size_get_width(old_size,GTK_UNIT_INCH);
834 height = gtk_paper_size_get_height(old_size,GTK_UNIT_INCH);
836 top_margin = gtk_page_setup_get_top_margin(setup,GTK_UNIT_INCH);
837 bottom_margin = gtk_page_setup_get_bottom_margin(setup,GTK_UNIT_INCH);
838 left_margin = gtk_page_setup_get_left_margin(setup,GTK_UNIT_INCH);
839 right_margin = gtk_page_setup_get_right_margin(setup,GTK_UNIT_INCH);
841 paper_size = gtk_paper_size_new_custom("preview paper", "preview_paper",
842 width*preview_data->print_data->zoom,
843 height*preview_data->print_data->zoom,
845 gtk_page_setup_set_paper_size(setup, paper_size);
846 gtk_paper_size_free(paper_size);
848 gtk_page_setup_set_top_margin(setup,top_margin*preview_data->print_data->zoom,
850 gtk_page_setup_set_bottom_margin(setup,bottom_margin*preview_data->print_data->zoom,
852 gtk_page_setup_set_left_margin(setup,left_margin*preview_data->print_data->zoom,
854 gtk_page_setup_set_right_margin(setup,right_margin*preview_data->print_data->zoom,
858 static void printing_textview_cb_begin_print(GtkPrintOperation *op, GtkPrintContext *context,
861 double width, height;
865 PrintData *print_data;
866 PangoFontDescription *desc;
868 PangoLayoutIter *iter;
871 gint num_header_lines;
873 gboolean header_done;
874 gboolean has_headers = FALSE;
876 double line_height =0.;
878 print_data = (PrintData*) user_data;
880 debug_print("Preparing print job...\n");
882 width = gtk_print_context_get_width(context);
883 height = gtk_print_context_get_height(context);
885 if (print_data->layout == NULL)
886 print_data->layout = gtk_print_context_create_pango_layout(context);
888 if (prefs_common.use_different_print_font)
889 desc = pango_font_description_from_string(prefs_common.printfont);
891 desc = pango_font_description_copy(
892 pango_context_get_font_description(print_data->pango_context));
894 pango_layout_set_font_description(print_data->layout, desc);
895 pango_font_description_free(desc);
897 pango_layout_set_width(print_data->layout, width * PANGO_SCALE);
898 pango_layout_set_text(print_data->layout, (char *)print_data->to_print, -1);
900 printing_layout_set_text_attributes(print_data, context, &has_headers);
902 num_lines = pango_layout_get_line_count(print_data->layout);
909 iter = pango_layout_get_iter(print_data->layout);
911 /* find the last character of the header */
914 text = pango_layout_get_text(print_data->layout);
917 if (text && *text && *text != '\n') {
919 if (text[0] == '\n' && (text[1] != '\0') && (text[1] == '\n'))
924 } while(*text && !header_done);
926 /* find line number for header end */
927 pango_layout_index_to_line_x(print_data->layout, header_end_pos, 1,
928 &num_header_lines, &dummy);
929 /* line count is zero-based */
932 print_data->ypos_line = -1.0;
936 PangoRectangle logical_rect;
937 PangoLayoutLine *line;
938 PangoAttrShape *attr = NULL;
942 line = pango_layout_iter_get_line(iter);
944 pango_layout_iter_get_line_extents(iter, NULL, &logical_rect);
945 baseline = pango_layout_iter_get_baseline(iter);
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)));
1143 pango_layout_iter_free(iter);
1144 debug_print("Sent page %d to printer\n", page_nr+1);
1147 static void printing_layout_set_text_attributes(PrintData *print_data,
1148 GtkPrintContext *context,
1149 gboolean *has_headers)
1152 PangoAttrList *attr_list;
1153 PangoAttribute *attr;
1154 GSList *open_attrs, *attr_walk;
1155 GtkTextView *text_view = GTK_TEXT_VIEW(print_data->renderer_data);
1156 GtkTextBuffer *buffer = gtk_text_view_get_buffer(text_view);
1158 *has_headers = FALSE;
1160 attr_list = pango_attr_list_new();
1161 if (print_data->sel_start < 0 || print_data->sel_end <= print_data->sel_start) {
1162 gtk_text_buffer_get_start_iter(buffer, &iter);
1164 gtk_text_buffer_get_iter_at_offset(buffer, &iter, print_data->sel_start);
1169 gboolean fg_set, bg_set, under_set, strike_set, weight_set;
1170 GSList *tags, *tag_walk;
1172 GdkColor *color = NULL;
1173 PangoUnderline underline;
1174 gboolean strikethrough;
1178 if (prefs_common.print_imgs && (image = gtk_text_iter_get_pixbuf(&iter)) != NULL) {
1179 PangoRectangle rect = {0, 0, 0, 0};
1180 gint startpos = printing_text_iter_get_offset_bytes(print_data, &iter);
1181 gint h = gdk_pixbuf_get_height(image);
1182 gint w = gdk_pixbuf_get_width(image);
1183 gint a_h = gtk_print_context_get_height(context);
1184 gint a_w = gtk_print_context_get_width(context);
1186 GdkPixbuf *scaled = NULL;
1187 image_viewer_get_resized_size(w, h, a_w, a_h, &r_w, &r_h);
1190 rect.width = r_w * PANGO_SCALE;
1191 rect.height = r_h * PANGO_SCALE;
1193 scaled = gdk_pixbuf_scale_simple(image, r_w, r_h, GDK_INTERP_BILINEAR);
1194 attr = pango_attr_shape_new_with_data (&rect, &rect,
1195 scaled, NULL, NULL);
1196 attr->start_index = startpos;
1197 attr->end_index = startpos+1;
1198 pango_attr_list_insert(attr_list, attr);
1199 g_hash_table_insert(print_data->images, GINT_TO_POINTER(startpos), attr);
1200 print_data->img_cnt++;
1203 if (gtk_text_iter_ends_tag(&iter, NULL)) {
1204 PangoAttrColor *attr_color;
1205 PangoAttrInt *attr_int;
1207 tags = gtk_text_iter_get_toggled_tags(&iter, FALSE);
1208 for (tag_walk = tags; tag_walk != NULL; tag_walk = tag_walk->next) {
1211 tag = GTK_TEXT_TAG(tag_walk->data);
1212 g_object_get(G_OBJECT(tag),
1213 "background-set", &bg_set,
1214 "foreground-set", &fg_set,
1215 "underline-set",&under_set,
1216 "strikethrough-set", &strike_set,
1217 "weight-set", &weight_set,
1222 for (attr_walk = open_attrs; attr_walk != NULL;
1223 attr_walk = attr_walk->next) {
1224 attr = (PangoAttribute*)attr_walk->data;
1225 if (attr->klass->type == PANGO_ATTR_FOREGROUND) {
1226 attr_color = (PangoAttrColor*) attr;
1227 g_object_get(G_OBJECT(tag), "foreground_gdk",
1230 printing_is_pango_gdk_color_equal(&(attr_color->color),
1232 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1233 pango_attr_list_insert(attr_list, attr);
1235 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
1239 gdk_color_free(color);
1243 debug_print("Error generating attribute list.\n");
1248 for (attr_walk = open_attrs; attr_walk != NULL;
1249 attr_walk = attr_walk->next) {
1250 attr = (PangoAttribute*)attr_walk->data;
1251 if (attr->klass->type == PANGO_ATTR_BACKGROUND) {
1252 attr_color = (PangoAttrColor*) attr;
1253 g_object_get(G_OBJECT(tag), "background-gdk",
1255 if (printing_is_pango_gdk_color_equal(&(attr_color->color),
1257 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1258 pango_attr_list_insert(attr_list, attr);
1260 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
1264 gdk_color_free(color);
1268 debug_print("Error generating attribute list.\n");
1273 for (attr_walk = open_attrs; attr_walk != NULL;
1274 attr_walk = attr_walk->next) {
1275 attr = (PangoAttribute*)attr_walk->data;
1276 if (attr->klass->type == PANGO_ATTR_UNDERLINE) {
1277 attr_int = (PangoAttrInt*)attr;
1278 g_object_get(G_OBJECT(tag), "underline",
1280 if (attr_int->value == underline) {
1281 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1282 pango_attr_list_insert(attr_list, attr);
1284 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
1290 debug_print("Error generating attribute list.\n");
1295 for (attr_walk = open_attrs; attr_walk != NULL;
1296 attr_walk = attr_walk->next) {
1297 attr = (PangoAttribute*)attr_walk->data;
1298 if (attr->klass->type == PANGO_ATTR_STRIKETHROUGH) {
1299 attr_int = (PangoAttrInt*)attr;
1300 g_object_get(G_OBJECT(tag), "strikethrough",
1301 &strikethrough, NULL);
1302 if (attr_int->value == strikethrough) {
1303 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1304 pango_attr_list_insert(attr_list, attr);
1306 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
1312 debug_print("Error generating attribute list.\n");
1317 for (attr_walk = open_attrs; attr_walk != NULL;
1318 attr_walk = attr_walk->next) {
1319 attr = (PangoAttribute*)attr_walk->data;
1320 if (attr->klass->type == PANGO_ATTR_WEIGHT) {
1321 attr_int = (PangoAttrInt*)attr;
1322 g_object_get(G_OBJECT(tag), "weight", &weight, NULL);
1323 if (attr_int->value == weight) {
1324 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1325 pango_attr_list_insert(attr_list, attr);
1327 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
1333 debug_print("Error generating attribute list.\n");
1339 if (gtk_text_iter_begins_tag(&iter, NULL)) {
1340 tags = gtk_text_iter_get_toggled_tags(&iter, TRUE);
1341 /* Sometimes, an iter has several weights. Use only the first in this case */
1342 gboolean weight_set_for_this_iter;
1343 weight_set_for_this_iter = FALSE;
1344 for (tag_walk = tags; tag_walk != NULL; tag_walk = tag_walk->next) {
1345 tag = GTK_TEXT_TAG(tag_walk->data);
1346 g_object_get(G_OBJECT(tag),
1347 "background-set", &bg_set,
1348 "foreground-set", &fg_set,
1349 "underline-set", &under_set,
1350 "strikethrough-set", &strike_set,
1351 "weight-set", &weight_set,
1354 g_object_get(G_OBJECT(tag), "foreground-gdk", &color, NULL);
1355 attr = pango_attr_foreground_new(color->red,color->green,color->blue);
1356 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1357 open_attrs = g_slist_prepend(open_attrs, attr);
1360 g_object_get(G_OBJECT(tag), "background-gdk", &color, NULL);
1361 attr = pango_attr_background_new(color->red,color->green,color->blue);
1362 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1363 open_attrs = g_slist_prepend(open_attrs, attr);
1366 g_object_get(G_OBJECT(tag), "underline", &underline, NULL);
1367 attr = pango_attr_underline_new(underline);
1368 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1369 open_attrs = g_slist_prepend(open_attrs, attr);
1372 g_object_get(G_OBJECT(tag), "strikethrough", &strikethrough, NULL);
1373 attr = pango_attr_strikethrough_new(strikethrough);
1374 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1375 open_attrs = g_slist_prepend(open_attrs, attr);
1377 if (weight_set && !weight_set_for_this_iter) {
1378 weight_set_for_this_iter = TRUE;
1379 g_object_get(G_OBJECT(tag), "weight", &weight, NULL);
1380 attr = pango_attr_weight_new(weight);
1381 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1382 open_attrs = g_slist_prepend(open_attrs, attr);
1383 /* Hack to see if the first char is bold -- indicates header */
1384 if (attr->start_index == 0 && weight == PANGO_WEIGHT_BOLD) {
1385 *has_headers = TRUE;
1392 } while(!gtk_text_iter_is_end(&iter) && gtk_text_iter_forward_to_tag_toggle(&iter, NULL));
1394 /* close all open attributes */
1395 for (attr_walk = open_attrs; attr_walk != NULL; attr_walk = attr_walk->next) {
1396 attr = (PangoAttribute*) attr_walk->data;
1397 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
1398 pango_attr_list_insert(attr_list, attr);
1400 g_slist_free(open_attrs);
1402 pango_layout_set_attributes(print_data->layout, attr_list);
1403 pango_attr_list_unref(attr_list);
1406 static gboolean printing_is_pango_gdk_color_equal(PangoColor *p, GdkColor *g)
1408 return ((p->red == g->red) && (p->green == g->green) && (p->blue == g->blue));
1411 /* Pango has it's attribute in bytes, but GtkTextIter gets only an offset
1412 * in characters, so here we're returning an offset in bytes.
1414 static gint printing_text_iter_get_offset_bytes(PrintData *print_data, const GtkTextIter *iter)
1421 off_chars = gtk_text_iter_get_offset(iter);
1422 if (print_data->sel_start < 0 || print_data->sel_end <= print_data->sel_start) {
1423 gtk_text_buffer_get_start_iter(gtk_text_iter_get_buffer(iter), &start);
1425 gtk_text_buffer_get_iter_at_offset(gtk_text_iter_get_buffer(iter), &start, print_data->sel_start);
1427 text = gtk_text_iter_get_text(&start, iter);
1428 off_bytes = strlen(text);
1433 static void printing_preview_update_zoom_sensitivity(PreviewData *preview_data)
1435 if((preview_data->print_data->zoom * PREVIEW_ZOOM_FAC) > PREVIEW_ZOOM_MAX)
1436 gtk_widget_set_sensitive(preview_data->zoom_in, FALSE);
1438 gtk_widget_set_sensitive(preview_data->zoom_in, TRUE);
1440 if ((preview_data->print_data->zoom / PREVIEW_ZOOM_FAC) < PREVIEW_ZOOM_MIN)
1441 gtk_widget_set_sensitive(preview_data->zoom_out, FALSE);
1443 gtk_widget_set_sensitive(preview_data->zoom_out, TRUE);