1 /*
2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 2003-2015 Hiroyuki Yamamoto & the Claws Mail team
4  *
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.
9  *
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.
14  *
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/>.
17  */
18 
19 #ifdef HAVE_CONFIG_H
20 #  include <config.h>
21 #endif
22 
23 #include "defs.h"
24 
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <string.h>
28 #include <sys/stat.h>
29 #ifdef HAVE_SVG
30 #include <math.h>
31 #endif
32 
33 #include <glib.h>
34 #include <glib/gi18n.h>
35 #include <gtk/gtk.h>
36 
37 #include "utils.h"
38 #include "codeconv.h"
39 #include "prefs_common.h"
40 #include "prefs_gtk.h"
41 
42 #include "gtk/gtkutils.h"
43 #include "gtk/prefswindow.h"
44 #include "gtk/filesel.h"
45 
46 #include "stock_pixmap.h"
47 #include "mainwindow.h"
48 #include "compose.h"
49 #include "alertpanel.h"
50 #include "addr_compl.h"
51 #include "file-utils.h"
52 
53 #define IS_CURRENT_THEME(path)  (strcmp(prefs_common.pixmap_theme_path, path) == 0)
54 #define IS_INTERNAL_THEME(path) (strcmp(DEFAULT_PIXMAP_THEME, path) == 0)
55 #define IS_SYSTEM_THEME(path)   (prefs_themes_is_system_theme(path))
56 
57 #define PREVIEW_ICONS 7
58 
59 typedef struct _ThemesPage
60 {
61 	PrefsPage page;
62 
63 	GtkWidget *window;		/* do not modify */
64 
65 	GtkWidget *op_menu;
66 	GtkWidget *btn_install;
67 	GtkWidget *btn_more;
68 	GtkWidget *global;
69 
70 	GtkWidget *name;
71 	GtkWidget *author;
72 	GtkWidget *url;
73 	GtkWidget *status;
74 
75 	GtkWidget *icons[PREVIEW_ICONS];
76 
77 	GtkWidget *btn_remove;
78 
79 	GdkPixbuf *pixbufs[PREVIEW_ICONS];
80 
81 #ifdef HAVE_SVG
82 	GtkWidget *checkbtn_enable_alpha;
83 	GtkWidget *checkbtn_enable_scaling;
84 	GtkWidget *checkbtn_scaling_auto;
85 	GtkWidget *label_scaling_ppi;
86 	GtkWidget *spinbtn_scaling_ppi;
87 #endif
88 } ThemesPage;
89 
90 typedef struct _ThemeInfo
91 {
92 	gchar *name;
93 	gchar *author;
94 	gchar *url;
95 	gchar *status;
96 } ThemeInfo;
97 
98 typedef struct _ThemeName
99 {
100 	gchar *name;
101 	GList *item;
102 } ThemeName;
103 
104 typedef struct _ThemesData
105 {
106 	GList      *themes;
107 	GList	   *names;
108 	gchar      *displayed;
109 	ThemesPage *page;
110 } ThemesData;
111 
112 typedef void (*FileFunc) (const gchar *filename, gpointer data);
113 
114 typedef struct _DirInfo {
115 	gint bytes;
116 	gint files;
117 	gint pixms;
118 	/* extensions info */
119 	const char **supported;
120 	gint *length;
121 } DirInfo;
122 
123 typedef struct _CopyInfo {
124 	gchar *dest;
125 	gchar *status;
126 } CopyInfo;
127 
128 static ThemesData *prefs_themes_data;
129 
130 StockPixmap prefs_themes_icons[PREVIEW_ICONS] = {
131 	STOCK_PIXMAP_DIR_CLOSE,
132 	STOCK_PIXMAP_MAIL_SEND,
133 	STOCK_PIXMAP_MAIL_RECEIVE,
134 	STOCK_PIXMAP_MAIL_ATTACH,
135 	STOCK_PIXMAP_BOOK,
136 	STOCK_PIXMAP_MIME_TEXT_PLAIN,
137 	STOCK_PIXMAP_REPLIED
138 };
139 
140 
141 
142 static void prefs_themes_btn_remove_clicked_cb	(GtkWidget *widget, gpointer data);
143 static void prefs_themes_btn_install_clicked_cb	(GtkWidget *widget, gpointer data);
144 static void prefs_themes_menu_item_activated_cb	(GtkWidget *widget, gpointer data);
145 #ifdef HAVE_SVG
146 static gdouble prefs_themes_compute_ppi(GdkScreen *screen);
147 static gdouble prefs_themes_get_adjusted_ppi(void);
148 static void prefs_themes_checkbtn_enable_scaling_toggled_cb (GtkWidget *widget, gpointer data);
149 static void prefs_themes_checkbtn_scaling_auto_toggled_cb (GtkWidget *widget, gpointer data);
150 #endif
151 
152 static void prefs_themes_update_buttons		(const ThemesData *tdata);
153 static void prefs_themes_display_global_stats	(const ThemesData *tdata);
154 static void prefs_themes_get_theme_info         (ThemesData *tdata);
155 static void prefs_themes_display_theme_info     (ThemesData *tdata, const ThemeInfo *info);
156 static void prefs_themes_get_themes_and_names	(ThemesData *tdata);
157 static int prefs_themes_cmp_name(gconstpointer a, gconstpointer b);
158 static void prefs_themes_free_names		(ThemesData *tdata);
159 
160 static void prefs_themes_set_themes_menu	(GtkComboBox *combo, const ThemesData *tdata);
161 
162 static gchar *prefs_themes_get_theme_stats	(const gchar *dirname);
163 static gboolean prefs_themes_is_system_theme	(const gchar *dirname);
164 
165 static void prefs_themes_create_widget          (PrefsPage *page, GtkWindow *window, gpointer data);
166 static void prefs_themes_destroy_widget         (PrefsPage *page);
167 static void prefs_themes_save                   (PrefsPage *page);
168 
169 static void prefs_themes_foreach_file		(const gchar *dirname, const FileFunc func, gpointer data);
170 static void prefs_themes_file_stats		(const gchar *filename, gpointer data);
171 static void prefs_themes_file_remove		(const gchar *filename, gpointer data);
172 static void prefs_themes_file_install		(const gchar *filename, gpointer data);
173 
174 
175 
prefs_themes_file_stats(const gchar * filename,gpointer data)176 static void prefs_themes_file_stats(const gchar *filename, gpointer data)
177 {
178 #ifdef G_OS_WIN32
179 	GFile *f;
180 	GFileInfo *fi;
181 	GError *error = NULL;
182 #else
183 	GStatBuf s;
184 #endif
185 	goffset size;
186 	DirInfo *di = (DirInfo *)data;
187 	gint len;
188 	gint i;
189 
190 #ifdef G_OS_WIN32
191 	f = g_file_new_for_path(filename);
192 	fi = g_file_query_info(f, "standard::size,standard::type",
193 			G_FILE_QUERY_INFO_NONE, NULL, &error);
194 	if (error != NULL) {
195 		g_warning(error->message);
196 		g_error_free(error);
197 		g_object_unref(f);
198 		return;
199 	}
200 	if (g_file_info_get_file_type(fi) != G_FILE_TYPE_REGULAR) {
201 		g_object_unref(fi);
202 		g_object_unref(f);
203 		return;
204 	}
205 	size = g_file_info_get_size(fi);
206 	g_object_unref(fi);
207 	g_object_unref(f);
208 #else
209 	if ((i = g_stat(filename, &s)) != 0) {
210 		debug_print("g_stat on '%s' failed: %d\n", filename, i);
211 		return;
212 	}
213 	if (!S_ISREG(s.st_mode)) {
214 		return;
215 	}
216 	size = s.st_size;
217 #endif
218 
219 	di->bytes += size;
220 	di->files++;
221 	len = strlen(filename);
222 	for (i = 0; (di->supported)[i] != NULL; ++i) {
223 		gint curlen = (di->length)[i];
224 		if (len <= curlen)
225 			continue;
226 		const gchar *extension = filename + (len - curlen);
227 		if (!strcmp(extension, (di->supported)[i])) {
228 			di->pixms++;
229 			break;
230 		}
231 	}
232 }
233 
prefs_themes_file_remove(const gchar * filename,gpointer data)234 static void prefs_themes_file_remove(const gchar *filename, gpointer data)
235 {
236 	gchar **status = (gchar **)data;
237 	gchar *base;
238 
239 	if ((*status) != NULL)
240 		return;
241 
242 	base = g_path_get_basename(filename);
243 	if (TRUE == is_dir_exist(filename)) {
244 		if (strcmp(base, ".") != 0 && strcmp(base, "..") != 0)
245 			g_warning("prefs_themes_file_remove(): subdir in theme dir skipped: '%s'.",
246 						base);
247 	}
248 	else if (0 != claws_unlink(filename)) {
249 		(*status) = g_strdup(filename);
250 	}
251 	g_free(base);
252 }
253 
prefs_themes_file_install(const gchar * filename,gpointer data)254 static void prefs_themes_file_install(const gchar *filename, gpointer data)
255 {
256 	CopyInfo *ci = (CopyInfo *)data;
257 	gchar *base;
258 
259 	if (ci->status != NULL)
260 		return;
261 
262 	base = g_path_get_basename(filename);
263 	if (TRUE == is_dir_exist(filename)) {
264 		if (strcmp(base, ".") != 0 && strcmp(base, "..") !=0 )
265 			g_warning("prefs_themes_file_install(): subdir in theme dir skipped: '%s'.",
266 						base);
267 	}
268 	else {
269 		gchar *fulldest;
270 
271 		fulldest = g_strconcat(ci->dest, G_DIR_SEPARATOR_S, base, NULL);
272 
273 		if (0 != copy_file(filename, fulldest, FALSE)) {
274 			ci->status = g_strdup(filename);
275 		}
276 		g_free(fulldest);
277 	}
278 	g_free(base);
279 }
280 
prefs_themes_foreach_file(const gchar * dirname,const FileFunc func,gpointer data)281 static void prefs_themes_foreach_file(const gchar *dirname, const FileFunc func, gpointer data)
282 {
283 	const gchar *entry;
284 	gchar *fullentry;
285 	GDir *dp;
286 	GError *error = NULL;
287 
288 	cm_return_if_fail(dirname != NULL);
289 	cm_return_if_fail(func != NULL);
290 
291 	if ((dp = g_dir_open(dirname, 0, &error)) == NULL) {
292 		debug_print("couldn't open dir '%s': %s (%d)\n", dirname,
293 				error->message, error->code);
294 		g_error_free(error);
295 		return;
296 	}
297 
298 	while ((entry = g_dir_read_name(dp)) != NULL) {
299 
300 		fullentry = g_strconcat(dirname, G_DIR_SEPARATOR_S, entry, NULL);
301 
302 		(*func)(fullentry, data);
303 
304 		g_free(fullentry);
305 	}
306 	g_dir_close(dp);
307 }
308 
prefs_themes_is_system_theme(const gchar * dirname)309 static gboolean prefs_themes_is_system_theme(const gchar *dirname)
310 {
311 	gint len;
312 	gchar *system_theme_dir;
313 	gboolean is_sys = FALSE;
314 
315 	cm_return_val_if_fail(dirname != NULL, FALSE);
316 
317 	system_theme_dir = stock_pixmap_get_system_theme_dir_for_theme(NULL);
318 	len = strlen(system_theme_dir);
319 	if (strlen(dirname) > len && 0 == strncmp(dirname, system_theme_dir, len))
320 		is_sys = TRUE;
321 
322 	g_free(system_theme_dir);
323 
324 	return is_sys;
325 }
326 
prefs_themes_set_themes_menu(GtkComboBox * combo,const ThemesData * tdata)327 static void prefs_themes_set_themes_menu(GtkComboBox *combo, const ThemesData *tdata)
328 {
329 	GtkListStore *store;
330 	GtkTreeIter iter;
331 	GList	  *themes = tdata->names;
332 	gint       i = 0, active = 0;
333 	GList     *sorted_list = NULL;
334 
335 	cm_return_if_fail(combo != NULL);
336 
337 	/* sort theme data list by data name */
338 	while (themes != NULL) {
339 		ThemeName *tname = (ThemeName *)(themes->data);
340 
341 		sorted_list = g_list_insert_sorted(sorted_list, (gpointer)(tname),
342 				 		   (GCompareFunc)prefs_themes_cmp_name);
343 
344 		themes = g_list_next(themes);
345 	}
346 
347 	store = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_POINTER);
348 
349 	/* feed gtk_menu w/ sorted themes names */
350 	themes = sorted_list;
351 	while (themes != NULL) {
352 		ThemeName *tname = (ThemeName *)(themes->data);
353 		gchar     *tpath = (gchar *)(tname->item->data);
354 
355 		gtk_list_store_append(store, &iter);
356 		gtk_list_store_set(store, &iter,
357 				   0, tname->name,
358 				   1, tname->item->data, -1);
359 
360 		if (tdata->displayed != NULL && !g_strcmp0(tdata->displayed,tpath))
361 			active = i;
362 		++i;
363 
364 		themes = g_list_next(themes);
365 	}
366 
367 	g_list_free(sorted_list);
368 
369 	g_signal_connect(G_OBJECT(combo), "changed",
370 			 G_CALLBACK(prefs_themes_menu_item_activated_cb),
371 			 NULL);
372 
373 	gtk_combo_box_set_model(combo, GTK_TREE_MODEL(store));
374 	gtk_combo_box_set_active(combo, active);
375 }
376 
prefs_themes_cmp_name(gconstpointer a_p,gconstpointer b_p)377 static int prefs_themes_cmp_name(gconstpointer a_p, gconstpointer b_p)
378 {
379 	/* compare two ThemeData structures by their name attribute */
380 	return g_strcmp0((gchar *)(((ThemeName*)a_p)->name),
381 					(gchar *)(((ThemeName*)b_p)->name));
382 }
383 
prefs_themes_get_themes_and_names(ThemesData * tdata)384 static void prefs_themes_get_themes_and_names(ThemesData *tdata)
385 {
386 	GList *tpaths;
387 
388 	cm_return_if_fail(tdata != NULL);
389 
390 	stock_pixmap_themes_list_free(tdata->themes);
391 	prefs_themes_free_names(tdata);
392 
393 	tdata->themes = stock_pixmap_themes_list_new();
394 
395 	tpaths = tdata->themes;
396 	while (tpaths != NULL) {
397 		ThemeName *name = g_new0(ThemeName, 1);
398 		gchar *sname = g_path_get_basename((const gchar *)(tpaths->data));
399 
400 		if (IS_INTERNAL_THEME(sname))
401 			name->name = g_strdup(_("Default internal theme"));
402 		else
403 			name->name = g_strdup(sname);
404 		name->item = tpaths;
405 
406 		tdata->names = g_list_append(tdata->names, name);
407 		if (!g_strcmp0(tpaths->data, prefs_common.pixmap_theme_path)) {
408 			tdata->displayed = (gchar *)tpaths->data;
409 		}
410 		tpaths = g_list_next(tpaths);
411 		g_free(sname);
412 	}
413 }
414 
prefs_themes_init(void)415 void prefs_themes_init(void)
416 {
417 	ThemesData   *tdata;
418 	ThemesPage   *page;
419 	GList        *tpaths;
420 	static gchar *path[3];
421 
422 	path[0] = _("Display");
423 	path[1] = _("Themes");
424 	path[2] = NULL;
425 
426 	debug_print("Creating preferences for themes...\n");
427 
428 	tdata = g_new0(ThemesData, 1);
429 	prefs_themes_data = tdata;
430 
431 	prefs_themes_get_themes_and_names(tdata);
432 
433 	page = g_new0(ThemesPage, 1);
434 
435 	page->page.path = path;
436 	page->page.create_widget = prefs_themes_create_widget;
437 	page->page.destroy_widget = prefs_themes_destroy_widget;
438 	page->page.save_page = prefs_themes_save;
439 	page->page.weight = 130.0;
440 	prefs_gtk_register_page((PrefsPage *) page);
441 
442 	tdata->page = page;
443 
444 	tpaths = g_list_first(tdata->themes);
445 	if (tdata->displayed == NULL)
446 		tdata->displayed = (gchar *)(tpaths->data);
447 #ifdef HAVE_SVG
448 	if (prefs_common.pixmap_scaling_auto)
449 		prefs_common.pixmap_scaling_ppi = prefs_themes_get_adjusted_ppi();
450 #endif
451 }
452 
prefs_themes_free_names(ThemesData * tdata)453 static void prefs_themes_free_names(ThemesData *tdata)
454 {
455 	GList *names;
456 
457 	cm_return_if_fail(tdata != NULL);
458 
459 	if (tdata->names == NULL)
460 		return;
461 
462 	names = tdata->names;
463 	while (names != NULL) {
464 		ThemeName *tn = (ThemeName *)(names->data);
465 
466 		tn->item = NULL;
467 		g_free(tn->name);
468 		g_free(tn);
469 
470 		names = g_list_next(names);
471 	}
472 	g_list_free(tdata->names);
473 	tdata->names = NULL;
474 }
475 
prefs_themes_done(void)476 void prefs_themes_done(void)
477 {
478 	ThemesData *tdata = prefs_themes_data;
479 
480 	debug_print("Finished preferences for themes.\n");
481 
482 	stock_pixmap_themes_list_free(tdata->themes);
483 	prefs_themes_free_names(tdata);
484 	g_free(tdata->page);
485 	g_free(tdata);
486 }
487 
prefs_themes_btn_remove_clicked_cb(GtkWidget * widget,gpointer data)488 static void prefs_themes_btn_remove_clicked_cb(GtkWidget *widget, gpointer data)
489 {
490 	ThemesData *tdata = prefs_themes_data;
491 	gchar      *theme_str;
492 	gchar      *alert_title = NULL;
493 	AlertValue  val = 0;
494 	gchar      *tmp = NULL;
495 
496 	theme_str = tdata->displayed;
497 
498 	tmp = g_path_get_basename(theme_str);
499 	if (IS_SYSTEM_THEME(theme_str)) {
500 		alert_title = g_strdup_printf(_("Remove system theme '%s'"), tmp);
501 	} else {
502 		alert_title = g_strdup_printf(_("Remove theme '%s'"), tmp);
503 	}
504 	g_free(tmp);
505 
506 	val = alertpanel(alert_title,
507 			 _("Are you sure you want to remove this theme?"),
508 			 GTK_STOCK_NO, GTK_STOCK_YES, NULL, ALERTFOCUS_FIRST);
509 	g_free(alert_title);
510 
511 	if (G_ALERTALTERNATE == val) {
512 		gchar *status = NULL;
513 
514 		prefs_themes_foreach_file(theme_str, prefs_themes_file_remove, &status);
515 		if (0 != rmdir(theme_str)) {
516 			if (status != NULL) {
517 				alertpanel_error(_("File %s failed\nwhile removing theme."), status);
518 				g_free(status);
519 			}
520 			else
521 				alertpanel_error(_("Removing theme directory failed."));
522 		}
523 		else {
524 			alertpanel_notice(_("Theme removed successfully"));
525 			/* update interface back to first theme */
526 			prefs_themes_get_themes_and_names(tdata);
527 			prefs_themes_set_themes_menu(GTK_COMBO_BOX(tdata->page->op_menu), tdata);
528 			prefs_themes_display_global_stats(tdata);
529 			tdata->displayed = (gchar *)((g_list_first(tdata->themes))->data);
530 			prefs_themes_get_theme_info(tdata);
531 		}
532 	}
533 }
534 
prefs_themes_btn_install_clicked_cb(GtkWidget * widget,gpointer data)535 static void prefs_themes_btn_install_clicked_cb(GtkWidget *widget, gpointer data)
536 {
537 	gchar      *filename, *source;
538 	gchar 	   *themeinfo, *themename;
539 	gchar      *alert_title = NULL;
540 	CopyInfo   *cinfo;
541 	AlertValue  val = 0;
542 	ThemesData *tdata = prefs_themes_data;
543 
544 	filename = filesel_select_file_open_folder(_("Select theme folder"), NULL);
545 	if (filename == NULL)
546 		return;
547 
548 	if (filename[strlen(filename) - 1] != G_DIR_SEPARATOR)
549 		filename = g_strconcat(filename, G_DIR_SEPARATOR_S, NULL);
550 	else
551 		filename = g_strdup(filename);
552 
553 	cinfo = g_new0(CopyInfo, 1);
554 	source = g_path_get_dirname(filename);
555 	themename = g_path_get_basename(source);
556 	debug_print("Installing '%s' theme from %s\n", themename, filename);
557 
558 	themeinfo = g_strconcat(source, G_DIR_SEPARATOR_S, THEMEINFO_FILE, NULL);
559 	alert_title = g_strdup_printf(_("Install theme '%s'"), themename);
560 	if (file_exist(themeinfo, FALSE) == FALSE) {
561 		val = alertpanel(alert_title,
562 				 _("This folder doesn't seem to be a theme"
563 				   "folder.\nInstall anyway?"),
564 				 GTK_STOCK_NO, GTK_STOCK_YES, NULL, ALERTFOCUS_FIRST);
565 		if (G_ALERTALTERNATE != val) {
566 			g_free(alert_title);
567 			goto end_inst;
568 		}
569 	}
570 
571 	val = alertpanel(alert_title,
572 			 _("Do you want to install theme for all users?"),
573 			 GTK_STOCK_NO, GTK_STOCK_YES, NULL, ALERTFOCUS_FIRST);
574 	g_free(alert_title);
575 	switch (val) {
576 	case G_ALERTALTERNATE:
577 		cinfo->dest = stock_pixmap_get_system_theme_dir_for_theme(
578 					themename);
579 		break;
580 	case G_ALERTDEFAULT:
581 		break;
582 	default:
583 		goto end_inst;
584 	}
585 
586 	if (cinfo->dest == NULL) {
587 		cinfo->dest = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
588 					  PIXMAP_THEME_DIR, G_DIR_SEPARATOR_S,
589 					  themename, NULL);
590 	}
591 	if (TRUE == is_dir_exist(cinfo->dest)) {
592 		AlertValue val = alertpanel_full(_("Theme exists"),
593 				_("A theme with the same name is\n"
594 				  "already installed in this location.\n\n"
595 				  "Do you want to replace it?"),
596 				GTK_STOCK_CANCEL, _("Overwrite"), NULL, ALERTFOCUS_FIRST,
597 				FALSE, NULL, ALERT_WARNING);
598 		if (val == G_ALERTALTERNATE) {
599 			if (remove_dir_recursive(cinfo->dest) < 0) {
600 				alertpanel_error(_("Couldn't delete the old theme in %s."),
601 						 cinfo->dest);
602 				goto end_inst;
603 			}
604 		} else {
605 			goto end_inst;
606 		}
607 	}
608 	if (0 != make_dir_hier(cinfo->dest)) {
609 		alertpanel_error(_("Couldn't create destination directory %s."),
610 				 cinfo->dest);
611 		goto end_inst;
612 	}
613 	prefs_themes_foreach_file(source, prefs_themes_file_install, cinfo);
614 	if (cinfo->status == NULL) {
615 		GList *insted;
616 
617 		/* update interface to show newly installed theme */
618 		prefs_themes_get_themes_and_names(tdata);
619 		insted = g_list_find_custom(tdata->themes,
620 					    (gpointer)(cinfo->dest),
621 					    (GCompareFunc)g_strcmp0);
622 		if (NULL != insted) {
623 			alertpanel_notice(_("Theme installed successfully."));
624 			tdata->displayed = (gchar *)(insted->data);
625 			prefs_themes_set_themes_menu(GTK_COMBO_BOX(tdata->page->op_menu), tdata);
626 			prefs_themes_display_global_stats(tdata);
627 			prefs_themes_get_theme_info(tdata);
628 		}
629 		else
630 			alertpanel_error(_("Failed installing theme"));
631 	}
632 	else
633 		alertpanel_error(_("File %s failed\nwhile installing theme."), cinfo->status);
634 end_inst:
635 	g_free(cinfo->dest);
636 	g_free(filename);
637 	g_free(source);
638 	g_free(themeinfo);
639 	g_free(cinfo);
640 	g_free(themename);
641 }
642 
prefs_themes_menu_item_activated_cb(GtkWidget * widget,gpointer data)643 static void prefs_themes_menu_item_activated_cb(GtkWidget *widget, gpointer data)
644 {
645 	ThemesData *tdata = prefs_themes_data;
646 	gchar      *path;
647 	GtkTreeModel *model;
648 	GtkTreeIter iter;
649 
650 	cm_return_if_fail(gtk_combo_box_get_active_iter(GTK_COMBO_BOX(widget), &iter));
651 
652 	model = gtk_combo_box_get_model(GTK_COMBO_BOX(widget));
653 	gtk_tree_model_get(model, &iter, 1, &path, -1);
654 
655 	tdata->displayed = path;
656 	prefs_themes_get_theme_info(tdata);
657 }
658 
659 #ifdef HAVE_SVG
660 #define MM_INCH 0.0393700787402
prefs_themes_compute_ppi(GdkScreen * screen)661 static gdouble prefs_themes_compute_ppi(GdkScreen *screen)
662 {
663 	gdouble wp = gdk_screen_get_width(screen);
664 	gdouble hp = gdk_screen_get_height(screen);
665 	gdouble wi = gdk_screen_get_width_mm(screen);
666 	gdouble hi = gdk_screen_get_height_mm(screen);
667 	gdouble dp, di;
668 
669 	debug_print("screen is %f x %f pixels, %f x %f mm\n", wp, hp, wi, hi);
670 
671 	/* https://en.wikipedia.org/wiki/Pixel_density */
672 	wi *= MM_INCH;
673 	hi *= MM_INCH;
674 	dp = sqrt(wp * wp + hp * hp);
675 	di = sqrt(wi * wi + hi * hi);
676 
677 	return (di != 0.0)? dp / di: 0.0;
678 }
679 
prefs_themes_get_adjusted_ppi(void)680 static gdouble prefs_themes_get_adjusted_ppi(void)
681 {
682 	gdouble ppi, cppi;
683 	GdkScreen * screen = gdk_screen_get_default();
684 
685 	if (screen == NULL) { /* oops! */
686 		g_warning("unable to get default GDK screen");
687 		return MIN_PPI;
688 	}
689 
690 	ppi = gdk_screen_get_resolution(screen);
691 	cppi = prefs_themes_compute_ppi(screen);
692 	debug_print("returned PPI: %f / computed PPI: %f\n", ppi, cppi);
693 	/*
694 	 gdk_screen_get_resolution doesn't seem to work well when running
695 	 on a remote display and returns the value of the local display.
696 	 height/width functions do this better, so we can compute a PPI
697 	 from them and take the highest value.
698 	*/
699 	return MAX(ppi, cppi);
700 }
701 
prefs_themes_checkbtn_enable_scaling_toggled_cb(GtkWidget * widget,gpointer data)702 static void prefs_themes_checkbtn_enable_scaling_toggled_cb (GtkWidget *widget, gpointer data)
703 {
704 	ThemesPage *page = (ThemesPage *) data;
705 	gboolean enabled = gtk_toggle_button_get_active(
706 				GTK_TOGGLE_BUTTON (widget));
707 	gboolean automatic = gtk_toggle_button_get_active(
708 				GTK_TOGGLE_BUTTON (page->checkbtn_scaling_auto));
709 
710 	gtk_widget_set_sensitive(page->checkbtn_scaling_auto, enabled);
711 	gtk_widget_set_sensitive(page->spinbtn_scaling_ppi, enabled && !automatic);
712 	gtk_widget_set_sensitive(page->label_scaling_ppi, enabled && !automatic);
713 }
714 
prefs_themes_checkbtn_scaling_auto_toggled_cb(GtkWidget * widget,gpointer data)715 static void prefs_themes_checkbtn_scaling_auto_toggled_cb(GtkWidget *widget, gpointer data)
716 {
717 	ThemesPage *page = (ThemesPage *) data;
718 	gboolean automatic = gtk_toggle_button_get_active(
719 				GTK_TOGGLE_BUTTON (widget));
720 
721 	gtk_widget_set_sensitive(page->spinbtn_scaling_ppi, !automatic);
722 	gtk_widget_set_sensitive(page->label_scaling_ppi, !automatic);
723 
724 	if (automatic) /* update PPI value */
725 		gtk_spin_button_set_value(
726 				GTK_SPIN_BUTTON (page->spinbtn_scaling_ppi),
727 				prefs_themes_get_adjusted_ppi());
728 }
729 #endif
730 
prefs_themes_update_buttons(const ThemesData * tdata)731 static void prefs_themes_update_buttons(const ThemesData *tdata)
732 {
733 	ThemesPage *theme = tdata->page;
734 	gboolean    can_rem, can_use;
735 
736 	can_use = !IS_CURRENT_THEME(tdata->displayed);
737 	can_rem = can_use && !IS_INTERNAL_THEME(tdata->displayed);
738 
739 	if (theme->btn_remove != NULL)
740 		gtk_widget_set_sensitive(theme->btn_remove, can_rem);
741 }
742 
743 /* placeholders may already be utf8 (i18n) */
744 #define SET_LABEL_TEXT_UTF8(label, text)				\
745 {									\
746 	gchar *tmpstr;							\
747 									\
748 	if (!g_utf8_validate(text, -1, NULL))				\
749 		tmpstr = conv_codeset_strdup(text,			\
750 			conv_get_locale_charset_str(),	CS_UTF_8);	\
751 	else								\
752 		tmpstr = g_strdup(text);				\
753 									\
754 	gtk_label_set_text(GTK_LABEL(label), tmpstr);			\
755 	gtk_label_set_selectable(GTK_LABEL(label), TRUE);		\
756 	g_free(tmpstr);							\
757 }
prefs_themes_display_theme_info(ThemesData * tdata,const ThemeInfo * info)758 static void prefs_themes_display_theme_info(ThemesData *tdata, const ThemeInfo *info)
759 {
760 	ThemesPage *theme = tdata->page;
761 	gchar *save_prefs_path;
762 	gint   i;
763 
764 	SET_LABEL_TEXT_UTF8(theme->name,	info->name);
765 	SET_LABEL_TEXT_UTF8(theme->author,	info->author);
766 	SET_LABEL_TEXT_UTF8(theme->url,		info->url);
767 	SET_LABEL_TEXT_UTF8(theme->status,	info->status);
768 
769 	save_prefs_path = prefs_common.pixmap_theme_path;
770 	prefs_common.pixmap_theme_path = tdata->displayed;
771 	for (i = 0; i < PREVIEW_ICONS; ++i) {
772 		stock_pixbuf_gdk(prefs_themes_icons[i], &(theme->pixbufs[i]));
773 		gtk_image_set_from_pixbuf(GTK_IMAGE(theme->icons[i]),
774 				theme->pixbufs[i]);
775 	}
776 	prefs_common.pixmap_theme_path = save_prefs_path;
777 
778 	prefs_themes_update_buttons(tdata);
779 }
780 #undef SET_LABEL_TEXT_UTF8
781 
prefs_themes_display_global_stats(const ThemesData * tdata)782 static void prefs_themes_display_global_stats(const ThemesData *tdata)
783 {
784 	ThemesPage *theme = tdata->page;
785 	GList      *tnames = tdata->names;
786 	gchar      *gstats;
787 	gint        sys = 0;
788 	gint        usr = 0;
789 	gint        all = 0;
790 
791 	while (tnames != NULL) {
792 		ThemeName *tname = (ThemeName *)(tnames->data);
793 		gchar     *tpath = (gchar *)(tname->item->data);
794 
795 		if (IS_SYSTEM_THEME(tpath))
796 			++sys;
797 		else if (!IS_INTERNAL_THEME(tpath))
798 			++usr;
799 		++all;
800 		tnames = g_list_next(tnames);
801 	}
802 
803 	gstats = g_strdup_printf(_("%d themes available (%d user, %d system, 1 internal)"),
804 				 all, usr, sys);
805 	gtk_label_set_text(GTK_LABEL(theme->global), gstats);
806 	gtk_label_set_justify (GTK_LABEL (theme->global), GTK_JUSTIFY_LEFT);
807 	gtkut_widget_set_small_font_size (theme->global);
808 	g_free(gstats);
809 }
810 
811 #define INFOFILE_LINE_LEN 80
812 
813 #define FGETS_INFOFILE_LINE() \
814 	line[0] = '\0'; \
815 	if (claws_fgets(line, INFOFILE_LINE_LEN, finfo) != NULL && (len = strlen(line)) > 0) { \
816 		if (line[len - 1] == '\n') line[len - 1] = '\0'; \
817 	} \
818 	else { \
819 		g_strlcpy(line, _("Unknown"),sizeof(line)); \
820 	}
821 
prefs_themes_get_theme_info(ThemesData * tdata)822 static void prefs_themes_get_theme_info(ThemesData *tdata)
823 {
824 	FILE  *finfo;
825 	gchar *sinfo;
826 	gchar *path;
827 	gchar  line[INFOFILE_LINE_LEN];
828 	gint   len;
829 	ThemeInfo *info;
830 	ThemesPage *theme = tdata->page;
831 
832 	cm_return_if_fail(theme != NULL);
833 	path = tdata->displayed;
834 	cm_return_if_fail(path != NULL);
835 
836 	debug_print("Getting theme info for %s\n", path);
837 
838 	info = g_new0(ThemeInfo, 1);
839 
840 	if (IS_INTERNAL_THEME(path)) {
841 		info->name = g_strdup(_("Default internal theme"));
842 		info->author = g_strdup(_("The Claws Mail Team"));
843 		info->url = g_strdup(HOMEPAGE_URI);
844 		info->status = g_strdup_printf(_("Internal theme has %d icons"), N_STOCK_PIXMAPS);
845 	}
846 	else {
847 		sinfo = g_strconcat(path, G_DIR_SEPARATOR_S, THEMEINFO_FILE, NULL);
848 		finfo = claws_fopen(sinfo, "r");
849 		if (finfo == NULL) {
850 			info->name = g_strdup(_("No info file available for this theme"));
851 			info->author = g_strdup(_("Unknown"));
852 			info->url = g_strdup(_("Unknown"));
853 		}
854 		else {
855 			FGETS_INFOFILE_LINE()
856 			info->name = g_strdup(line);
857 			FGETS_INFOFILE_LINE()
858 			info->author = g_strdup(line);
859 			FGETS_INFOFILE_LINE()
860 			info->url = g_strdup(line);
861 
862 			claws_fclose(finfo);
863 		}
864 		g_free(sinfo);
865 
866 		info->status = prefs_themes_get_theme_stats(path);
867 		if (info->status == NULL) {
868 			info->status = g_strdup(_("Error: couldn't get theme status"));
869 		}
870 	}
871 
872 	prefs_themes_display_theme_info(tdata, info);
873 
874 	g_free(info->name);
875 	g_free(info->author);
876 	g_free(info->url);
877 	g_free(info->status);
878 
879 	g_free(info);
880 }
881 
882 #undef FGETS_INFOFILE_LINE
883 
prefs_themes_get_theme_stats(const gchar * dirname)884 static gchar *prefs_themes_get_theme_stats(const gchar *dirname)
885 {
886 	gchar   *stats;
887 	DirInfo *dinfo;
888 	gint     i;
889 
890 	dinfo = g_new0(DirInfo, 1);
891 	dinfo->supported = stock_pixmap_theme_extensions();
892 	for (i = 0; (dinfo->supported)[i] != NULL; ++i);
893 	dinfo->length = g_malloc(i * sizeof(gint));
894 	for (i = 0; (dinfo->supported)[i] != NULL; ++i) {
895 		(dinfo->length)[i] = strlen((dinfo->supported)[i]);
896 	}
897 	prefs_themes_foreach_file(dirname, prefs_themes_file_stats, dinfo);
898 	stats = g_strdup_printf(_("%d files (%d icons), size: %s"),
899 				dinfo->files, dinfo->pixms,
900 				to_human_readable((goffset)dinfo->bytes));
901 	g_free(dinfo->length);
902 	g_free(dinfo);
903 	return stats;
904 }
905 
prefs_themes_create_widget(PrefsPage * page,GtkWindow * window,gpointer data)906 static void prefs_themes_create_widget(PrefsPage *page, GtkWindow *window, gpointer data)
907 {
908 	ThemesPage *prefs_themes = (ThemesPage *)page;
909 	ThemesData *tdata = prefs_themes_data;
910 
911 	GtkWidget *vbox1;
912 	GtkWidget *frame1;
913 	GtkWidget *vbox2;
914 	GtkWidget *hbox3;
915 	GtkWidget *menu_themes;
916 	GtkWidget *btn_install;
917 	GtkWidget *btn_more;
918 	GtkWidget *label_global_status;
919 	GtkWidget *frame_info;
920 	GtkWidget *table1;
921 	GtkWidget *label1;
922 	GtkWidget *label2;
923 	GtkWidget *label3;
924 	GtkWidget *label_name;
925 	GtkWidget *label_author;
926 	GtkWidget *label_url;
927 	GtkWidget *label4;
928 	GtkWidget *label_status;
929 	GtkWidget *frame_preview;
930 	GtkWidget *hbox1;
931 	GtkWidget *icon_1;
932 	GtkWidget *icon_2;
933 	GtkWidget *icon_3;
934 	GtkWidget *icon_4;
935 	GtkWidget *icon_5;
936 	GtkWidget *icon_6;
937 	GtkWidget *icon_7;
938 	GtkWidget *frame_buttons;
939 	GtkWidget *hbuttonbox1;
940 	GtkWidget *btn_remove;
941 	GtkCellRenderer *renderer;
942 #ifdef HAVE_SVG
943 	GtkWidget *frame_scaling;
944 	GtkWidget *checkbtn_enable_alpha;
945 	GtkWidget *checkbtn_enable_scaling;
946 	GtkWidget *checkbtn_scaling_auto;
947 	GtkWidget *label_scaling_ppi;
948 	GtkWidget *spinbtn_scaling_ppi;
949 	GtkAdjustment *spinbtn_scaling_ppi_adj;
950 #endif
951 
952 	vbox1 = gtk_vbox_new (FALSE, VSPACING);
953 	gtk_container_set_border_width (GTK_CONTAINER (vbox1), 5);
954 	gtk_widget_show (vbox1);
955 
956 	vbox2 = gtkut_get_options_frame(vbox1, &frame1, _("Selector"));
957 
958 	hbox3 = gtk_hbox_new (FALSE, 5);
959 	gtk_widget_show (hbox3);
960 	gtk_box_pack_start (GTK_BOX (vbox2), hbox3, FALSE, FALSE, 0);
961 	// gtk_container_set_border_width (GTK_CONTAINER (hbox3), 5);
962 
963 	menu_themes = gtk_combo_box_new();
964 	gtk_widget_show (menu_themes);
965 	gtk_box_pack_start (GTK_BOX (hbox3), menu_themes, FALSE, FALSE, 0);
966 
967 	btn_install = gtk_button_new_with_label (_("Install new..."));
968 	gtk_widget_show (btn_install);
969 	gtk_box_pack_start (GTK_BOX (hbox3), btn_install, FALSE, FALSE, 0);
970 	gtk_widget_set_can_default (btn_install, TRUE);
971 
972 	btn_more = gtkut_get_link_btn((GtkWidget *)window, THEMES_URI, _("Get more..."));
973 	gtk_widget_show (btn_more);
974 	gtk_box_pack_start (GTK_BOX (hbox3), btn_more, FALSE, FALSE, 0);
975 
976 	label_global_status = gtk_label_new ("");
977 	gtk_widget_show (label_global_status);
978 	gtk_box_pack_start (GTK_BOX (vbox2), label_global_status, FALSE, FALSE, 0);
979 	gtk_label_set_justify (GTK_LABEL (label_global_status), GTK_JUSTIFY_LEFT);
980 	gtk_misc_set_alignment (GTK_MISC (label_global_status), 0, 0.5);
981 	gtk_misc_set_padding (GTK_MISC (label_global_status), 1, 0);
982 
983 	PACK_FRAME(vbox1, frame_info, _("Information"));
984 
985 	table1 = gtk_table_new (4, 2, FALSE);
986 	gtk_widget_show (table1);
987 	gtk_container_add (GTK_CONTAINER (frame_info), table1);
988 	gtk_container_set_border_width (GTK_CONTAINER (table1), 5);
989 
990 	label1 = gtk_label_new (_("Name"));
991 	gtk_widget_show (label1);
992 	gtk_table_attach (GTK_TABLE (table1), label1, 0, 1, 0, 1,
993 			(GtkAttachOptions) (GTK_FILL),
994 			(GtkAttachOptions) (0), 5, 4);
995 	gtk_label_set_justify (GTK_LABEL (label1), GTK_JUSTIFY_LEFT);
996 	gtk_misc_set_alignment (GTK_MISC (label1), 1, 0.5);
997 
998 	label2 = gtk_label_new (_("Author"));
999 	gtk_widget_show (label2);
1000 	gtk_table_attach (GTK_TABLE (table1), label2, 0, 1, 1, 2,
1001 			(GtkAttachOptions) (GTK_FILL),
1002 			(GtkAttachOptions) (0), 5, 4);
1003 	gtk_label_set_justify (GTK_LABEL (label2), GTK_JUSTIFY_LEFT);
1004 	gtk_misc_set_alignment (GTK_MISC (label2), 1, 0.5);
1005 
1006 	label3 = gtk_label_new (_("URL"));
1007 	gtk_widget_show (label3);
1008 	gtk_table_attach (GTK_TABLE (table1), label3, 0, 1, 2, 3,
1009 			(GtkAttachOptions) (GTK_FILL),
1010 			(GtkAttachOptions) (0), 5, 4);
1011 	gtk_misc_set_alignment (GTK_MISC (label3), 1, 0.5);
1012 
1013 	label_name = gtk_label_new ("");
1014 	gtk_widget_show (label_name);
1015 	gtk_table_attach (GTK_TABLE (table1), label_name, 1, 2, 0, 1,
1016 			(GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
1017 			(GtkAttachOptions) (0), 5, 0);
1018 	gtk_misc_set_alignment (GTK_MISC (label_name), 0, 0.5);
1019 
1020 	label_author = gtk_label_new ("");
1021 	gtk_widget_show (label_author);
1022 	gtk_table_attach (GTK_TABLE (table1), label_author, 1, 2, 1, 2,
1023 			(GtkAttachOptions) (GTK_FILL),
1024 			(GtkAttachOptions) (0), 5, 0);
1025 	gtk_misc_set_alignment (GTK_MISC (label_author), 0, 0.5);
1026 
1027 	label_url = gtk_label_new ("");
1028 	gtk_widget_show (label_url);
1029 	gtk_table_attach (GTK_TABLE (table1), label_url, 1, 2, 2, 3,
1030 			(GtkAttachOptions) (GTK_FILL),
1031 			(GtkAttachOptions) (0), 5, 0);
1032 	gtk_misc_set_alignment (GTK_MISC (label_url), 0, 0.5);
1033 
1034 	label4 = gtk_label_new (_("Status"));
1035 	gtk_widget_show (label4);
1036 	gtk_table_attach (GTK_TABLE (table1), label4, 0, 1, 3, 4,
1037 			(GtkAttachOptions) (GTK_FILL),
1038 			(GtkAttachOptions) (0), 5, 4);
1039 	gtk_misc_set_alignment (GTK_MISC (label4), 1, 0.5);
1040 
1041 	label_status = gtk_label_new ("");
1042 	gtk_widget_show (label_status);
1043 	gtk_table_attach (GTK_TABLE (table1), label_status, 1, 2, 3, 4,
1044 			(GtkAttachOptions) (GTK_FILL),
1045 			(GtkAttachOptions) (0), 5, 0);
1046 	gtk_misc_set_alignment (GTK_MISC (label_status), 0, 0.5);
1047 
1048 	PACK_FRAME(vbox1, frame_preview, _("Preview"));
1049 
1050 	hbox1 = gtk_hbox_new (FALSE, 0);
1051 	gtk_widget_show (hbox1);
1052 	gtk_container_add (GTK_CONTAINER (frame_preview), hbox1);
1053 	gtk_container_set_border_width (GTK_CONTAINER (hbox1), 5);
1054 
1055 	icon_1 = gtk_image_new();
1056 	gtk_widget_show (icon_1);
1057 	gtk_box_pack_start (GTK_BOX (hbox1), icon_1, TRUE, TRUE, 2);
1058 	gtk_misc_set_padding (GTK_MISC (icon_1), 0, 5);
1059 
1060 	icon_2 = gtk_image_new();
1061 	gtk_widget_show (icon_2);
1062 	gtk_box_pack_start (GTK_BOX (hbox1), icon_2, TRUE, TRUE, 2);
1063 	gtk_misc_set_padding (GTK_MISC (icon_2), 0, 5);
1064 
1065 	icon_3 = gtk_image_new();
1066 	gtk_widget_show (icon_3);
1067 	gtk_box_pack_start (GTK_BOX (hbox1), icon_3, TRUE, TRUE, 2);
1068 	gtk_misc_set_padding (GTK_MISC (icon_3), 0, 5);
1069 
1070 	icon_4 = gtk_image_new();
1071 	gtk_widget_show (icon_4);
1072 	gtk_box_pack_start (GTK_BOX (hbox1), icon_4, TRUE, TRUE, 2);
1073 	gtk_misc_set_padding (GTK_MISC (icon_4), 0, 5);
1074 
1075 	icon_5 = gtk_image_new();
1076 	gtk_widget_show (icon_5);
1077 	gtk_box_pack_start (GTK_BOX (hbox1), icon_5, TRUE, TRUE, 2);
1078 	gtk_misc_set_padding (GTK_MISC (icon_5), 0, 5);
1079 
1080 	icon_6 = gtk_image_new();
1081 	gtk_widget_show (icon_6);
1082 	gtk_box_pack_start (GTK_BOX (hbox1), icon_6, TRUE, TRUE, 2);
1083 	gtk_misc_set_padding (GTK_MISC (icon_6), 0, 5);
1084 
1085 	icon_7 = gtk_image_new();
1086 	gtk_widget_show (icon_7);
1087 	gtk_box_pack_start (GTK_BOX (hbox1), icon_7, TRUE, TRUE, 2);
1088 	gtk_misc_set_padding (GTK_MISC (icon_7), 0, 5);
1089 
1090 	PACK_FRAME(vbox1, frame_buttons, _("Actions"));
1091 
1092 	hbuttonbox1 = gtk_hbutton_box_new ();
1093 	gtk_widget_show (hbuttonbox1);
1094 	gtk_container_add (GTK_CONTAINER (frame_buttons), hbuttonbox1);
1095 	gtk_container_set_border_width (GTK_CONTAINER (hbuttonbox1), 8);
1096 	gtk_button_box_set_layout (GTK_BUTTON_BOX (hbuttonbox1), GTK_BUTTONBOX_START);
1097 	gtk_box_set_spacing (GTK_BOX (hbuttonbox1), 5);
1098 
1099 	btn_remove = gtk_button_new_with_label (_("Remove"));
1100 	gtk_widget_show (btn_remove);
1101 	gtk_container_add (GTK_CONTAINER (hbuttonbox1), btn_remove);
1102 	gtk_widget_set_can_default (btn_remove, TRUE);
1103 
1104 #ifdef HAVE_SVG
1105 	PACK_FRAME(vbox1, frame_scaling, _("SVG rendering"));
1106 
1107 	vbox2 = gtk_vbox_new (FALSE, VSPACING);
1108 	gtk_widget_show (vbox2);
1109 	gtk_container_set_border_width (GTK_CONTAINER (vbox2), 5);
1110 	gtk_container_add (GTK_CONTAINER (frame_scaling), vbox2);
1111 
1112 	PACK_CHECK_BUTTON(vbox2, checkbtn_enable_alpha, _("Enable alpha channel"));
1113 	PACK_CHECK_BUTTON(vbox2, checkbtn_enable_scaling, _("Force scaling"));
1114 	PACK_CHECK_BUTTON(vbox2, checkbtn_scaling_auto, _("Automatic"));
1115 
1116 	hbox3 = gtk_hbox_new (FALSE, 5);
1117 	gtk_widget_show (hbox3);
1118 
1119 	label_scaling_ppi = gtk_label_new (_("Pixels per inch (PPI)"));
1120 	gtk_widget_show (label_scaling_ppi);
1121 	gtk_box_pack_start (GTK_BOX (hbox3), label_scaling_ppi,
1122 			FALSE, FALSE, 5);
1123 
1124 	spinbtn_scaling_ppi_adj = GTK_ADJUSTMENT(
1125 		gtk_adjustment_new (MIN_PPI, MIN_PPI, MAX_PPI, 1, 10, 0));
1126 	spinbtn_scaling_ppi = gtk_spin_button_new(
1127 			spinbtn_scaling_ppi_adj, 1.0, 0);
1128 	gtk_widget_show (spinbtn_scaling_ppi);
1129 	gtk_box_pack_start (GTK_BOX (hbox3), spinbtn_scaling_ppi,
1130 			FALSE, FALSE, 5);
1131 
1132 	gtk_box_pack_start (GTK_BOX (vbox2), hbox3, FALSE, FALSE, 0);
1133 
1134 	/* initialize widget values */
1135 	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON (checkbtn_enable_alpha),
1136 			prefs_common.enable_alpha_svg);
1137 	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON (checkbtn_enable_scaling),
1138 			prefs_common.enable_pixmap_scaling);
1139 	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON (checkbtn_scaling_auto),
1140 			prefs_common.pixmap_scaling_auto);
1141 	gtk_spin_button_set_value(GTK_SPIN_BUTTON (spinbtn_scaling_ppi),
1142 			prefs_common.pixmap_scaling_ppi);
1143 
1144 	/* sensitivity */
1145 	gtk_widget_set_sensitive(checkbtn_scaling_auto,
1146 			prefs_common.enable_pixmap_scaling);
1147 	gtk_widget_set_sensitive(spinbtn_scaling_ppi,
1148 			prefs_common.enable_pixmap_scaling
1149 				&& !prefs_common.pixmap_scaling_auto);
1150 	gtk_widget_set_sensitive(label_scaling_ppi,
1151 			prefs_common.enable_pixmap_scaling
1152 				&& !prefs_common.pixmap_scaling_auto);
1153 
1154 	/* signals */
1155 	g_signal_connect(G_OBJECT(checkbtn_enable_scaling), "toggled",
1156 			 G_CALLBACK(prefs_themes_checkbtn_enable_scaling_toggled_cb),
1157 			 prefs_themes);
1158 	g_signal_connect(G_OBJECT(checkbtn_scaling_auto), "toggled",
1159 			 G_CALLBACK(prefs_themes_checkbtn_scaling_auto_toggled_cb),
1160 			 prefs_themes);
1161 #endif
1162 
1163 	g_signal_connect(G_OBJECT(btn_remove), "clicked",
1164 			 G_CALLBACK(prefs_themes_btn_remove_clicked_cb),
1165 			 NULL);
1166 	g_signal_connect(G_OBJECT(btn_install), "clicked",
1167 			 G_CALLBACK(prefs_themes_btn_install_clicked_cb),
1168 			 NULL);
1169 
1170 	prefs_themes->window = GTK_WIDGET(window);
1171 
1172 	prefs_themes->name   = label_name;
1173 	prefs_themes->author = label_author;
1174 	prefs_themes->url    = label_url;
1175 	prefs_themes->status = label_status;
1176 	prefs_themes->global = label_global_status;
1177 
1178 	prefs_themes->icons[0] = icon_1;
1179 	prefs_themes->icons[1] = icon_2;
1180 	prefs_themes->icons[2] = icon_3;
1181 	prefs_themes->icons[3] = icon_4;
1182 	prefs_themes->icons[4] = icon_5;
1183 	prefs_themes->icons[5] = icon_6;
1184 	prefs_themes->icons[6] = icon_7;
1185 
1186 	prefs_themes->btn_remove  = btn_remove;
1187 	prefs_themes->btn_install = btn_install;
1188 	prefs_themes->btn_more    = btn_more;
1189 
1190 	prefs_themes->op_menu     = menu_themes;
1191 
1192 #ifdef HAVE_SVG
1193 	prefs_themes->checkbtn_enable_alpha   = checkbtn_enable_alpha;
1194 	prefs_themes->checkbtn_enable_scaling = checkbtn_enable_scaling;
1195 	prefs_themes->checkbtn_scaling_auto   = checkbtn_scaling_auto;
1196 	prefs_themes->label_scaling_ppi       = label_scaling_ppi;
1197 	prefs_themes->spinbtn_scaling_ppi     = spinbtn_scaling_ppi;
1198 #endif
1199 
1200 	prefs_themes->page.widget = vbox1;
1201 
1202 	prefs_themes_set_themes_menu(GTK_COMBO_BOX(menu_themes), tdata);
1203 	renderer = gtk_cell_renderer_text_new();
1204 	gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(menu_themes), renderer, TRUE);
1205 	gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(menu_themes), renderer,
1206 					"text", 0, NULL);
1207 
1208 	prefs_themes_get_theme_info(tdata);
1209 	prefs_themes_display_global_stats(tdata);
1210 }
1211 
prefs_themes_destroy_widget(PrefsPage * page)1212 static void prefs_themes_destroy_widget(PrefsPage *page)
1213 {
1214 	/* ThemesPage *theme = (ThemesPage *)page; */
1215 }
1216 
prefs_themes_save(PrefsPage * page)1217 static void prefs_themes_save(PrefsPage *page)
1218 {
1219 	ThemesData *tdata = prefs_themes_data;
1220 	gchar      *theme_str = tdata->displayed;
1221 #ifdef HAVE_SVG
1222 	ThemesPage *tpage = (ThemesPage *) page;
1223 	gboolean alpha = prefs_common.enable_alpha_svg;
1224 	gboolean scaling = prefs_common.enable_pixmap_scaling;
1225 	gboolean scaling_auto = prefs_common.pixmap_scaling_auto;
1226 	gint scaling_ppi = prefs_common.pixmap_scaling_ppi;
1227 
1228 	prefs_common.enable_alpha_svg = gtk_toggle_button_get_active(
1229 		GTK_TOGGLE_BUTTON (tpage->checkbtn_enable_alpha));
1230 	prefs_common.enable_pixmap_scaling = gtk_toggle_button_get_active(
1231 		GTK_TOGGLE_BUTTON (tpage->checkbtn_enable_scaling));
1232 	prefs_common.pixmap_scaling_auto = gtk_toggle_button_get_active(
1233 		GTK_TOGGLE_BUTTON (tpage->checkbtn_scaling_auto));
1234 	prefs_common.pixmap_scaling_ppi = gtk_spin_button_get_value_as_int (
1235 		GTK_SPIN_BUTTON (tpage->spinbtn_scaling_ppi));
1236 #endif
1237 
1238 	if (!IS_CURRENT_THEME(theme_str)) {
1239 		debug_print("Changing theme to %s\n", theme_str);
1240 		g_free(prefs_common.pixmap_theme_path);
1241 
1242 		prefs_common.pixmap_theme_path = g_strdup(theme_str);
1243 
1244 		main_window_reflect_prefs_all_real(TRUE);
1245 		compose_reflect_prefs_pixmap_theme();
1246 		addrcompl_reflect_prefs_pixmap_theme();
1247 
1248 		prefs_themes_update_buttons(tdata);
1249 	}
1250 #ifdef HAVE_SVG
1251 	else if (scaling != prefs_common.enable_pixmap_scaling
1252 			|| alpha != prefs_common.enable_alpha_svg
1253 			|| (scaling_auto != prefs_common.pixmap_scaling_auto
1254 				&& scaling_ppi != prefs_common.pixmap_scaling_ppi)) {
1255 		/* same theme, different scaling options */
1256 		debug_print("Updating theme scaling\n");
1257 		stock_pixmap_invalidate_all_icons();
1258 		main_window_reflect_prefs_all_real(TRUE);
1259 		compose_reflect_prefs_pixmap_theme();
1260 		addrcompl_reflect_prefs_pixmap_theme();
1261 	}
1262 #endif
1263 }
1264 
1265