2006-04-06 [mones] 2.1.0cvs7
[claws.git] / src / prefs_themes.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 2003-2006 Hiroyuki Yamamoto & the Sylpheed-Claws 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 2 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, write to the Free Software
17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18  */
19
20 #ifdef HAVE_CONFIG_H
21 #  include <config.h>
22 #endif
23
24 #include "defs.h"
25
26 #include <stdio.h>
27 #include <stdlib.h>
28 #include <string.h>
29 #include <sys/stat.h>
30
31 #include <glib.h>
32 #include <glib/gi18n.h>
33 #include <gtk/gtk.h>
34
35 #include "utils.h"
36 #include "codeconv.h"
37 #include "prefs_common.h"
38 #include "prefs_gtk.h"
39
40 #include "gtk/gtkutils.h"
41 #include "gtk/prefswindow.h"
42 #include "gtk/filesel.h"
43
44 #include "stock_pixmap.h"
45 #include "mainwindow.h"
46 #include "compose.h"
47 #include "alertpanel.h"
48
49 #define IS_CURRENT_THEME(path)  (strcmp(prefs_common.pixmap_theme_path, path) == 0)
50 #define IS_INTERNAL_THEME(path) (strcmp(DEFAULT_PIXMAP_THEME, path) == 0)
51 #define IS_SYSTEM_THEME(path)   (prefs_themes_is_system_theme(path))
52
53 #define PREVIEW_ICONS 7
54
55 typedef struct _ThemesPage
56 {
57         PrefsPage page;
58
59         GtkWidget *window;              /* do not modify */
60
61         GtkWidget *op_menu;
62         GtkWidget *btn_install;
63         GtkWidget *btn_more;
64         GtkWidget *global;
65
66         GtkWidget *name;
67         GtkWidget *author;
68         GtkWidget *url;
69         GtkWidget *status;
70         
71         GtkWidget *icons[PREVIEW_ICONS];
72         
73         GtkWidget *btn_use;
74         GtkWidget *btn_remove;
75
76         GdkPixmap *pixmaps[PREVIEW_ICONS];
77         GdkBitmap *masks[PREVIEW_ICONS];
78
79         /* gchar     *theme_path; */
80 } ThemesPage;
81
82 typedef struct _ThemeInfo
83 {
84         gchar *name;
85         gchar *author;
86         gchar *url;
87         gchar *status;
88 } ThemeInfo;
89
90 typedef struct _ThemeName
91 {
92         gchar *name;
93         GList *item;
94 } ThemeName;
95
96 typedef struct _ThemesData
97 {
98         GList      *themes;
99         GList      *names;
100         gchar      *displayed;
101         ThemesPage *page;
102 } ThemesData;
103
104 typedef void (*FileFunc) (const gchar *filename, gpointer data);
105
106 typedef struct _DirInfo {
107         gint bytes;
108         gint files;
109         gint pixms;
110 } DirInfo;
111
112 typedef struct _CopyInfo {
113         gchar *dest;
114         gchar *status;
115 } CopyInfo;
116
117 static ThemesData *prefs_themes_data;
118
119 StockPixmap prefs_themes_icons[PREVIEW_ICONS] = { 
120         STOCK_PIXMAP_DIR_CLOSE,
121         STOCK_PIXMAP_MAIL_SEND,
122         STOCK_PIXMAP_MAIL_RECEIVE, 
123         STOCK_PIXMAP_MAIL_ATTACH,
124         STOCK_PIXMAP_BOOK, 
125         STOCK_PIXMAP_MIME_TEXT_PLAIN, 
126         STOCK_PIXMAP_REPLIED
127 };
128
129
130
131 static void prefs_themes_btn_use_clicked_cb     (GtkWidget *widget, gpointer data);
132 static void prefs_themes_btn_remove_clicked_cb  (GtkWidget *widget, gpointer data);
133 static void prefs_themes_btn_install_clicked_cb (GtkWidget *widget, gpointer data);
134 static void prefs_themes_btn_more_clicked_cb    (GtkWidget *widget, gpointer data);
135 static void prefs_themes_menu_item_activated_cb (GtkWidget *widget, gpointer data);
136
137 static void prefs_themes_update_buttons         (const ThemesData *tdata);
138 static void prefs_themes_display_global_stats   (const ThemesData *tdata);
139 static void prefs_themes_get_theme_info         (ThemesData *tdata);
140 static void prefs_themes_display_theme_info     (ThemesData *tdata, const ThemeInfo *info);
141 static void prefs_themes_get_themes_and_names   (ThemesData *tdata);
142 static int prefs_themes_cmp_name(gconstpointer a, gconstpointer b);
143 static void prefs_themes_free_names             (ThemesData *tdata);
144
145 static void prefs_themes_set_themes_menu        (GtkOptionMenu *opmenu, const ThemesData *tdata);
146
147 static gchar *prefs_themes_get_theme_stats      (const gchar *dirname);
148 static gboolean prefs_themes_is_system_theme    (const gchar *dirname);
149
150 static void prefs_themes_create_widget          (PrefsPage *page, GtkWindow *window, gpointer data);
151 static void prefs_themes_destroy_widget         (PrefsPage *page);
152 static void prefs_themes_save                   (PrefsPage *page);
153
154 static void prefs_themes_foreach_file           (const gchar *dirname, const FileFunc func, gpointer data);
155 static void prefs_themes_file_stats             (const gchar *filename, gpointer data);
156 static void prefs_themes_file_remove            (const gchar *filename, gpointer data);
157 static void prefs_themes_file_install           (const gchar *filename, gpointer data);
158
159
160
161 static void prefs_themes_file_stats(const gchar *filename, gpointer data)
162 {
163         struct stat s;
164         DirInfo    *di = (DirInfo *)data;
165         gint        len;
166         
167         if (0 == stat(filename, &s) && 0 != S_ISREG(s.st_mode)) {
168                 di->bytes += s.st_size;
169                 di->files++;
170                 len = strlen(filename);
171                 if (len > 4) {
172                         if (filename[len - 1] == 'm' && filename[len - 2] == 'p' &&
173                             filename[len - 3] == 'x' && filename[len - 4] == '.')
174                                 di->pixms++;
175                 }
176         }
177 }
178         
179 static void prefs_themes_file_remove(const gchar *filename, gpointer data)
180 {
181         gchar **status = (gchar **)data;
182         gchar *base;
183         
184         if ((*status) != NULL)
185                 return;
186         
187         base = g_path_get_basename(filename);
188         if (TRUE == is_dir_exist(filename)) {
189                 if (strcmp(base, ".") != 0 && strcmp(base, "..") != 0)
190                         g_warning("prefs_themes_file_remove(): subdir in theme dir skipped: '%s'.\n",
191                                                 base);
192         }
193         else if (0 != g_unlink(filename)) {
194                 (*status) = g_strdup(filename);
195         }
196         g_free(base);
197 }
198
199 static void prefs_themes_file_install(const gchar *filename, gpointer data)
200 {
201         CopyInfo *ci = (CopyInfo *)data;
202         gchar *base;
203         
204         if (ci->status != NULL)
205                 return;
206         
207         base = g_path_get_basename(filename);
208         if (TRUE == is_dir_exist(filename)) {
209                 if (strcmp(base, ".") != 0 && strcmp(base, "..") !=0 )
210                         g_warning("prefs_themes_file_install(): subdir in theme dir skipped: '%s'.\n",
211                                                 base);
212         }
213         else {
214                 gchar *fulldest;
215                 
216                 fulldest = g_strconcat(ci->dest, G_DIR_SEPARATOR_S, base, NULL);
217                 
218                 if (0 != copy_file(filename, fulldest, FALSE)) {
219                         ci->status = g_strdup(filename);
220                 }
221                 g_free(fulldest);
222         }
223         g_free(base);
224 }
225
226 static void prefs_themes_foreach_file(const gchar *dirname, const FileFunc func, gpointer data)
227 {
228         struct dirent *d;
229         DIR           *dp;
230
231         g_return_if_fail(dirname != NULL);
232         g_return_if_fail(func != NULL);
233         
234         if ((dp = opendir(dirname)) == NULL) {
235                 debug_print("directory %s not found", dirname);
236                 return;
237         }
238
239         while ((d = readdir(dp)) != NULL) {
240                 gchar *entry;
241                 gchar *fullentry;
242
243                 entry     = d->d_name;
244                 fullentry = g_strconcat(dirname, G_DIR_SEPARATOR_S, entry, NULL);
245
246                 (*func)(fullentry, data);
247                 
248                 g_free(fullentry);
249         }       
250 }
251
252 static gboolean prefs_themes_is_system_theme(const gchar *dirname)
253 {
254         gint len;
255         
256         g_return_val_if_fail(dirname != NULL, FALSE);
257
258         len = strlen(PACKAGE_DATA_DIR);
259         if (strlen(dirname) > len && 0 == strncmp(dirname, PACKAGE_DATA_DIR, len))
260                 return TRUE;
261         
262         return FALSE;
263 }
264
265 static void prefs_themes_set_themes_menu(GtkOptionMenu *opmenu, const ThemesData *tdata)
266 {
267         GList     *themes = tdata->names;
268         GtkWidget *menu;
269         GtkWidget *item;
270         gint       i = 0, active = 0;
271         GList     *sorted_list = NULL;
272
273         g_return_if_fail(opmenu != NULL);
274
275         gtk_option_menu_remove_menu(opmenu);
276
277         /* sort theme data list by data name */
278         menu = gtk_menu_new ();
279         while (themes != NULL) {
280                 ThemeName *tname = (ThemeName *)(themes->data);
281
282                 sorted_list = g_list_insert_sorted(sorted_list, (gpointer)(tname),
283                                                                                 (GCompareFunc)prefs_themes_cmp_name);
284
285                 themes = g_list_next(themes);
286         }
287
288         /* feed gtk_menu w/ sorted themes names */
289         themes = sorted_list;
290         while (themes != NULL) {
291                 ThemeName *tname = (ThemeName *)(themes->data);
292                 gchar     *tpath = (gchar *)(tname->item->data);
293
294                 item = gtk_menu_item_new_with_label(tname->name);
295                 gtk_widget_show(item);
296                 g_signal_connect(G_OBJECT(item), "activate",
297                                  G_CALLBACK(prefs_themes_menu_item_activated_cb),
298                                  tname->item->data);
299                 gtk_menu_append(GTK_MENU(menu), item);
300
301                 if (tdata->displayed != NULL && tdata->displayed == tpath)
302                         active = i;
303                 ++i;
304
305                 themes = g_list_next(themes);
306         }
307
308         g_list_free(sorted_list);
309
310         gtk_menu_set_active(GTK_MENU(menu), active);
311         gtk_option_menu_set_menu (opmenu, menu);
312 }
313
314 static int prefs_themes_cmp_name(gconstpointer a_p, gconstpointer b_p)
315 {
316         /* compare two ThemeData structures by their name attribute */
317         return strcmp2((gchar *)(((ThemeName*)a_p)->name),
318                                         (gchar *)(((ThemeName*)b_p)->name));
319 }
320
321 static void prefs_themes_get_themes_and_names(ThemesData *tdata)
322 {
323         GList *tpaths;
324         
325         g_return_if_fail(tdata != NULL);
326         
327         if (tdata->themes != NULL)
328                 stock_pixmap_themes_list_free(tdata->themes);
329         if (tdata->names != NULL)
330                 prefs_themes_free_names(tdata);
331         
332         tdata->themes = stock_pixmap_themes_list_new();
333         
334         tpaths = tdata->themes;
335         while (tpaths != NULL) {
336                 ThemeName *name = g_new0(ThemeName, 1);
337                 gchar *sname = g_path_get_basename((const gchar *)(tpaths->data));
338                 
339                 if (IS_INTERNAL_THEME(sname))
340                         name->name = g_strdup(_("Default internal theme"));
341                 else
342                         name->name = g_strdup(sname);
343                 name->item = tpaths;
344                         
345                 tdata->names = g_list_append(tdata->names, name);
346                 if (!strcmp2(tpaths->data, prefs_common.pixmap_theme_path)) {
347                         tdata->displayed = (gchar *)tpaths->data;
348                 }
349                 tpaths = g_list_next(tpaths);
350                 g_free(sname);  
351         }
352 }
353
354 void prefs_themes_init(void)
355 {
356         ThemesData   *tdata;
357         ThemesPage   *page;
358         GList        *tpaths;
359         static gchar *path[3];
360
361         path[0] = _("Display");
362         path[1] = _("Themes");
363         path[2] = NULL;
364
365         debug_print("Creating preferences for themes...\n");
366         
367         tdata = g_new0(ThemesData, 1);
368         prefs_themes_data = tdata;
369
370         prefs_themes_get_themes_and_names(tdata);
371         
372         page = g_new0(ThemesPage, 1);
373         
374         page->page.path = path;
375         page->page.create_widget = prefs_themes_create_widget;
376         page->page.destroy_widget = prefs_themes_destroy_widget;
377         page->page.save_page = prefs_themes_save;
378         page->page.weight = 130.0;
379         prefs_gtk_register_page((PrefsPage *) page);
380
381         tdata->page = page;
382
383         tpaths = g_list_first(tdata->themes);
384         if (tdata->displayed == NULL)
385                 tdata->displayed = (gchar *)(tpaths->data);
386 }
387
388 static void prefs_themes_free_names(ThemesData *tdata)
389 {
390         GList *names;
391         
392         names = tdata->names;
393         while (names != NULL) {
394                 ThemeName *tn = (ThemeName *)(names->data);
395                 
396                 tn->item = NULL;
397                 g_free(tn->name);
398                 g_free(tn);
399                 
400                 names = g_list_next(names);
401         }
402         g_list_free(names);
403         tdata->names = NULL;
404 }
405
406 void prefs_themes_done(void)
407 {
408         ThemesData *tdata = prefs_themes_data;
409
410         debug_print("Finished preferences for themes.\n");
411         
412         stock_pixmap_themes_list_free(tdata->themes);
413         prefs_themes_free_names(tdata); 
414         g_free(tdata->page);
415         g_free(tdata);
416 }
417
418 static void prefs_themes_btn_use_clicked_cb(GtkWidget *widget, gpointer data)
419 {
420         ThemesData *tdata = prefs_themes_data;
421         gchar      *theme_str;
422
423         theme_str = tdata->displayed;
424         
425                 g_free(prefs_common.pixmap_theme_path);
426         
427         prefs_common.pixmap_theme_path = g_strdup(theme_str);
428        
429         main_window_reflect_prefs_all_real(TRUE);
430         compose_reflect_prefs_pixmap_theme();
431        
432         prefs_themes_update_buttons(tdata);
433 }
434
435 static void prefs_themes_btn_remove_clicked_cb(GtkWidget *widget, gpointer data)
436 {
437         ThemesData *tdata = prefs_themes_data;
438         gchar      *theme_str;
439         gchar      *alert_title = NULL;
440         AlertValue  val = 0;
441         gchar      *tmp = NULL;
442
443         theme_str = tdata->displayed;
444         
445         tmp = g_path_get_basename(theme_str);
446
447         if (IS_SYSTEM_THEME(theme_str)) {
448                 if (getuid() != 0) {
449                         alertpanel_error(_("Only root can remove system themes"));
450                         return;
451                 }
452                 alert_title = g_strdup_printf(_("Remove system theme '%s'"), tmp);
453         }
454         if (NULL == alert_title) {
455                 alert_title = g_strdup_printf(_("Remove theme '%s'"), tmp);
456         }
457
458         g_free(tmp);
459
460         val = alertpanel(alert_title,
461                          _("Are you sure you want to remove this theme?"),
462                          GTK_STOCK_NO, GTK_STOCK_YES, NULL);
463         g_free(alert_title);
464
465         if (G_ALERTALTERNATE == val) {
466                 gchar *status = NULL;
467                 
468                 prefs_themes_foreach_file(theme_str, prefs_themes_file_remove, &status); 
469                 if (0 != rmdir(theme_str)) {
470                         if (status != NULL) {
471                                 alertpanel_error(_("File %s failed\nwhile removing theme."), status);
472                                 g_free(status);
473                         }
474                         else
475                                 alertpanel_error(_("Removing theme directory failed."));
476                 }
477                 else {  
478                         alertpanel_notice(_("Theme removed succesfully"));
479                         /* update interface back to first theme */
480                         prefs_themes_get_themes_and_names(tdata);
481                         prefs_themes_set_themes_menu(GTK_OPTION_MENU(tdata->page->op_menu), tdata);
482                         prefs_themes_display_global_stats(tdata);
483                         tdata->displayed = (gchar *)((g_list_first(tdata->themes))->data);
484                         prefs_themes_get_theme_info(tdata);
485                 }
486         }
487 }
488
489 static void prefs_themes_btn_install_clicked_cb(GtkWidget *widget, gpointer data)
490 {
491         gchar      *filename, *source;
492         gchar      *themeinfo, *themename;
493         gchar      *alert_title = NULL;
494         CopyInfo   *cinfo;
495         AlertValue  val = 0;
496         ThemesData *tdata = prefs_themes_data;
497         
498         filename = filesel_select_file_open_folder(_("Select theme folder"), NULL);
499         if (filename == NULL) 
500                 return;
501         
502         if (filename[strlen(filename) - 1] != G_DIR_SEPARATOR)
503                 filename = g_strconcat(filename, G_DIR_SEPARATOR_S, NULL);
504         else
505                 filename = g_strdup(filename);
506
507         cinfo = g_new0(CopyInfo, 1);
508         source = g_path_get_dirname(filename);
509         themename = g_path_get_basename(source);
510         debug_print("Installing '%s' theme from %s\n", themename, filename);
511
512         themeinfo = g_strconcat(source, G_DIR_SEPARATOR_S, THEMEINFO_FILE, NULL);
513         alert_title = g_strdup_printf(_("Install theme '%s'"), themename);
514         if (file_exist(themeinfo, FALSE) == FALSE) {
515                 val = alertpanel(alert_title,
516                                  _("This folder doesn't seem to be a theme folder.\nInstall anyway?"),
517                                  GTK_STOCK_NO, GTK_STOCK_YES, NULL);
518                 if (G_ALERTALTERNATE != val)
519                         goto end_inst;
520         }
521         if (getuid() == 0) {
522                 val = alertpanel(alert_title,
523                                  _("Do you want to install theme for all users?"),
524                                  GTK_STOCK_NO, GTK_STOCK_YES, NULL);
525                 switch (val) {
526                 case G_ALERTALTERNATE:
527                         cinfo->dest = g_strconcat(PACKAGE_DATA_DIR, G_DIR_SEPARATOR_S,
528                                                   PIXMAP_THEME_DIR, G_DIR_SEPARATOR_S, 
529                                                   themename, NULL);
530                         break;
531                 case G_ALERTDEFAULT:
532                         break;
533                 default:
534                         goto end_inst;
535                 }
536         }
537         g_free(alert_title);
538         if (cinfo->dest == NULL) {
539                 cinfo->dest = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, RC_DIR,
540                                           G_DIR_SEPARATOR_S, PIXMAP_THEME_DIR, G_DIR_SEPARATOR_S,
541                                           themename, NULL);
542         }
543         if (TRUE == is_dir_exist(cinfo->dest)) {
544                 alertpanel_error(_("A theme with the same name is\nalready installed in this location"));
545                 goto end_inst;
546         }
547         if (0 != make_dir_hier(cinfo->dest)) {
548                 alertpanel_error(_("Couldn't create destination directory"));
549                 goto end_inst;
550         }
551         prefs_themes_foreach_file(source, prefs_themes_file_install, cinfo);
552         if (cinfo->status == NULL) {
553                 GList *insted;
554
555                 /* update interface to show newly installed theme */
556                 prefs_themes_get_themes_and_names(tdata);
557                 insted = g_list_find_custom(tdata->themes, 
558                                             (gpointer)(cinfo->dest), 
559                                             (GCompareFunc)strcmp2);
560                 if (NULL != insted) {
561                         alertpanel_notice(_("Theme installed succesfully"));
562                         tdata->displayed = (gchar *)(insted->data);
563                         prefs_themes_set_themes_menu(GTK_OPTION_MENU(tdata->page->op_menu), tdata);
564                         prefs_themes_display_global_stats(tdata);
565                         prefs_themes_get_theme_info(tdata);
566                 }
567                 else
568                         alertpanel_error(_("Failed installing theme"));
569         }
570         else
571                 alertpanel_error(_("File %s failed\nwhile installing theme."), cinfo->status);
572 end_inst:
573         g_free(cinfo->dest);
574         g_free(filename);
575         g_free(source);
576         g_free(themeinfo);
577         g_free(cinfo);
578         g_free(themename);
579 }
580
581 static void prefs_themes_menu_item_activated_cb(GtkWidget *widget, gpointer data)
582 {
583         ThemesData *tdata = prefs_themes_data;
584         gchar      *path = (gchar *)data;
585         
586         g_return_if_fail(path != NULL);
587         
588         tdata->displayed = path;
589         prefs_themes_get_theme_info(tdata);
590 }
591
592 static void prefs_themes_update_buttons(const ThemesData *tdata)
593 {
594         ThemesPage *theme = tdata->page;
595         gboolean    can_rem, can_use;
596
597         can_use = !IS_CURRENT_THEME(tdata->displayed);
598         can_rem = can_use && !IS_INTERNAL_THEME(tdata->displayed);
599         
600         if (theme->btn_use != NULL)
601                 gtk_widget_set_sensitive(theme->btn_use, can_use);
602         if (theme->btn_remove != NULL)
603                 gtk_widget_set_sensitive(theme->btn_remove, can_rem);
604 }
605
606 /* placeholders may already be utf8 (i18n) */
607 #define SET_LABEL_TEXT_UTF8(label, text)                                \
608 {                                                                       \
609         gchar *tmpstr;                                                  \
610                                                                         \
611         if (!g_utf8_validate(text, -1, NULL))                           \
612                 tmpstr = conv_codeset_strdup(text,                      \
613                         conv_get_locale_charset_str(),  CS_UTF_8);      \
614         else                                                            \
615                 tmpstr = g_strdup(text);                                \
616                                                                         \
617         gtk_label_set_text(GTK_LABEL(label), tmpstr);                   \
618         gtk_label_set_selectable(GTK_LABEL(label), TRUE);               \
619         g_free(tmpstr);                                                 \
620 }
621 static void prefs_themes_display_theme_info(ThemesData *tdata, const ThemeInfo *info)
622 {
623         ThemesPage *theme = tdata->page;
624         gchar *save_prefs_path;
625         gint   i;
626
627         SET_LABEL_TEXT_UTF8(theme->name,        info->name);
628         SET_LABEL_TEXT_UTF8(theme->author,      info->author);
629         SET_LABEL_TEXT_UTF8(theme->url,         info->url);
630         SET_LABEL_TEXT_UTF8(theme->status,      info->status);
631
632         save_prefs_path = prefs_common.pixmap_theme_path;
633         prefs_common.pixmap_theme_path = tdata->displayed;
634         for (i = 0; i < PREVIEW_ICONS; ++i) {
635                 stock_pixmap_gdk(theme->window, prefs_themes_icons[i], 
636                                 &(theme->pixmaps[i]), &(theme->masks[i]));
637                 gtk_image_set_from_pixmap(GTK_IMAGE(theme->icons[i]),
638                                 theme->pixmaps[i], theme->masks[i]);
639         }
640         prefs_common.pixmap_theme_path = save_prefs_path;
641
642         prefs_themes_update_buttons(tdata);
643 }
644 #undef SET_LABEL_TEXT_UTF8
645
646 static void prefs_themes_display_global_stats(const ThemesData *tdata)
647 {
648         ThemesPage *theme = tdata->page;
649         GList      *tnames = tdata->names;
650         gchar      *gstats;
651         gint        sys = 0;
652         gint        usr = 0;
653         gint        all = 0;
654
655         while (tnames != NULL) {
656                 ThemeName *tname = (ThemeName *)(tnames->data);
657                 gchar     *tpath = (gchar *)(tname->item->data);
658                 
659                 if (IS_SYSTEM_THEME(tpath)) 
660                         ++sys;
661                 else if (!IS_INTERNAL_THEME(tpath)) 
662                         ++usr;
663                 ++all;
664                 tnames = g_list_next(tnames);
665         }
666
667         gstats = g_strdup_printf(_("%d themes available (%d user, %d system, 1 internal)"),
668                                  all, usr, sys);
669         gtk_label_set_text(GTK_LABEL(theme->global), gstats);
670         gtk_label_set_justify (GTK_LABEL (theme->global), GTK_JUSTIFY_LEFT);
671         gtkut_widget_set_small_font_size (theme->global);
672         g_free(gstats);
673 }
674
675 #define INFOFILE_LINE_LEN 80
676
677 #define FGETS_INFOFILE_LINE() \
678         line[0] = '\0'; \
679         fgets(line, INFOFILE_LINE_LEN, finfo); \
680         if ((len = strlen(line)) > 0) { \
681                 if (line[len - 1] == '\n') line[len - 1] = '\0'; \
682         } \
683         else { \
684                 strcpy(line, _("Unknown")); \
685         }
686
687 static void prefs_themes_get_theme_info(ThemesData *tdata)
688 {
689         FILE  *finfo;
690         gchar *sinfo;
691         gchar *path;
692         gchar  line[INFOFILE_LINE_LEN];
693         gint   len;
694         ThemeInfo *info;
695         ThemesPage *theme = tdata->page;
696
697         g_return_if_fail(theme != NULL);
698         path = tdata->displayed;
699         g_return_if_fail(path != NULL);
700
701         debug_print("Getting theme info for %s\n", path);
702         
703         info = g_new0(ThemeInfo, 1);
704         
705         if (IS_INTERNAL_THEME(path)) {
706                 info->name = g_strdup(_("Default internal theme"));
707                 info->author = g_strdup(_("The Sylpheed-Claws Team"));
708                 info->url = g_strdup(HOMEPAGE_URI);
709                 info->status = g_strdup_printf(_("Internal theme has %d icons"), N_STOCK_PIXMAPS);
710         }
711         else {
712                 sinfo = g_strconcat(path, G_DIR_SEPARATOR_S, THEMEINFO_FILE, NULL);
713                 finfo = g_fopen(sinfo, "r");
714                 if (finfo == NULL) {
715                         info->name = g_strdup(_("No info file available for this theme"));
716                         info->author = g_strdup(_("Unknown"));
717                         info->url = g_strdup(_("Unknown"));
718                 }
719                 else {
720                         FGETS_INFOFILE_LINE()
721                         info->name = g_strdup(line);
722                         FGETS_INFOFILE_LINE()
723                         info->author = g_strdup(line);
724                         FGETS_INFOFILE_LINE()
725                         info->url = g_strdup(line);
726                 
727                         fclose(finfo);
728                 }
729                 g_free(sinfo);
730
731                 info->status = prefs_themes_get_theme_stats(path);
732                 if (info->status == NULL) {
733                         info->status = g_strdup(_("Error: can't get theme status"));
734                 }
735         }
736
737         prefs_themes_display_theme_info(tdata, info);
738
739         g_free(info->name);
740         g_free(info->author);
741         g_free(info->url);
742         g_free(info->status);
743         
744         g_free(info);
745 }
746
747 #undef FGETS_INFOFILE_LINE
748
749 static gchar *prefs_themes_get_theme_stats(const gchar *dirname)
750 {
751         gchar   *stats;
752         DirInfo *dinfo;
753
754         dinfo = g_new0(DirInfo, 1);
755         
756         prefs_themes_foreach_file(dirname, prefs_themes_file_stats, dinfo);
757         stats = g_strdup_printf(_("%d files (%d icons), size: %s"), 
758                                 dinfo->files, dinfo->pixms, to_human_readable(dinfo->bytes));
759         
760         g_free(dinfo);
761         return stats;
762 }
763
764 /* BEGIN GLADE CODE */
765 /* This is a dummy pixmap we use when a pixmap can't be found. */
766 static char *dummy_pixmap_xpm[] = {
767         /* columns rows colors chars-per-pixel */
768         "1 1 1 1",
769         "  c None",
770         /* pixels */
771         " "
772 };
773
774 /* This is an internally used function to create pixmaps. */
775 static GtkWidget* create_dummy_pixmap(GtkWidget *widget)
776 {
777         GdkColormap *colormap;
778         GdkPixmap *gdkpixmap;
779         GdkBitmap *mask;
780         GtkWidget *pixmap;
781
782         colormap = gtk_widget_get_colormap (widget);
783         gdkpixmap = gdk_pixmap_colormap_create_from_xpm_d (NULL, colormap, &mask,
784                         NULL, dummy_pixmap_xpm);
785         if (gdkpixmap == NULL)
786                 g_error ("Couldn't create replacement pixmap.");
787         pixmap = gtk_image_new_from_pixmap(gdkpixmap, mask);
788         g_object_unref (gdkpixmap);
789         g_object_unref (mask);
790         return pixmap;
791 }
792 /* END GLADE CODE */
793
794 /* glade generates some calls to a create_pixmap support function 
795  * we don't really need. */
796 #define create_pixmap(widget,filename) create_dummy_pixmap(widget)
797
798 static void prefs_themes_create_widget(PrefsPage *page, GtkWindow *window, gpointer data)
799 {
800         ThemesPage *prefs_themes = (ThemesPage *)page;
801         ThemesData *tdata = prefs_themes_data;
802
803         GtkWidget *vbox1;
804         GtkWidget *frame1;
805         GtkWidget *vbox2;
806         GtkWidget *hbox3;
807         GtkWidget *menu_themes;
808         GtkWidget *menu_themes_menu;
809         GtkWidget *glade_menuitem;
810         GtkWidget *btn_install;
811         GtkWidget *btn_more;
812         GtkWidget *label_global_status;
813         GtkWidget *frame_info;
814         GtkWidget *table1;
815         GtkWidget *label1;
816         GtkWidget *label2;
817         GtkWidget *label3;
818         GtkWidget *label_name;
819         GtkWidget *label_author;
820         GtkWidget *label_url;
821         GtkWidget *label4;
822         GtkWidget *label_status;
823         GtkWidget *frame_preview;
824         GtkWidget *hbox1;
825         GtkWidget *icon_1;
826         GtkWidget *icon_2;
827         GtkWidget *icon_3;
828         GtkWidget *icon_4;
829         GtkWidget *icon_5;
830         GtkWidget *icon_6;
831         GtkWidget *icon_7;
832         GtkWidget *frame_buttons;
833         GtkWidget *hbuttonbox1;
834         GtkWidget *btn_use;
835         GtkWidget *btn_remove;
836
837         vbox1 = gtk_vbox_new (FALSE, VSPACING);
838         gtk_container_set_border_width (GTK_CONTAINER (vbox1), VBOX_BORDER);
839         gtk_widget_show (vbox1);
840
841         PACK_FRAME (vbox1, frame1, _("Selector"));
842
843         vbox2 = gtk_vbox_new (FALSE, VSPACING);
844         gtk_container_set_border_width (GTK_CONTAINER (vbox2), VBOX_BORDER);
845         gtk_widget_show (vbox2);
846         gtk_container_add (GTK_CONTAINER (frame1), vbox2);
847
848         hbox3 = gtk_hbox_new (FALSE, 5);
849         gtk_widget_show (hbox3);
850         gtk_box_pack_start (GTK_BOX (vbox2), hbox3, FALSE, FALSE, 0);
851         gtk_container_set_border_width (GTK_CONTAINER (hbox3), 5);
852
853         menu_themes = gtk_option_menu_new ();
854         gtk_widget_show (menu_themes);
855         gtk_box_pack_start (GTK_BOX (hbox3), menu_themes, FALSE, FALSE, 0);
856         menu_themes_menu = gtk_menu_new ();
857         glade_menuitem = gtk_menu_item_new_with_label ("");
858         gtk_widget_show (glade_menuitem);
859         gtk_menu_append (GTK_MENU (menu_themes_menu), glade_menuitem);
860         gtk_option_menu_set_menu (GTK_OPTION_MENU (menu_themes), menu_themes_menu);
861
862         btn_install = gtk_button_new_with_label (_("Install new..."));
863         gtk_widget_show (btn_install);
864         gtk_box_pack_start (GTK_BOX (hbox3), btn_install, FALSE, FALSE, 0);
865         GTK_WIDGET_SET_FLAGS (btn_install, GTK_CAN_DEFAULT);
866
867         btn_more = gtkut_get_link_btn(window, THEMES_URI, _("Get more..."));
868         gtk_widget_show (btn_more);
869         gtk_box_pack_start (GTK_BOX (hbox3), btn_more, FALSE, FALSE, 0);
870
871         label_global_status = gtk_label_new ("");
872         gtk_widget_show (label_global_status);
873         gtk_box_pack_start (GTK_BOX (vbox2), label_global_status, FALSE, FALSE, 0);
874         gtk_label_set_justify (GTK_LABEL (label_global_status), GTK_JUSTIFY_LEFT);
875         gtk_misc_set_alignment (GTK_MISC (label_global_status), 0, 0.5);
876         gtk_misc_set_padding (GTK_MISC (label_global_status), 6, 0);
877
878         PACK_FRAME(vbox1, frame_info, _("Information"));
879
880         table1 = gtk_table_new (4, 2, FALSE);
881         gtk_widget_show (table1);
882         gtk_container_add (GTK_CONTAINER (frame_info), table1);
883
884         label1 = gtk_label_new (_("Name: "));
885         gtk_widget_show (label1);
886         gtk_table_attach (GTK_TABLE (table1), label1, 0, 1, 0, 1,
887                         (GtkAttachOptions) (GTK_FILL),
888                         (GtkAttachOptions) (0), 8, 2);
889         gtk_label_set_justify (GTK_LABEL (label1), GTK_JUSTIFY_LEFT);
890         gtk_misc_set_alignment (GTK_MISC (label1), 0, 0.5);
891
892         label2 = gtk_label_new (_("Author: "));
893         gtk_widget_show (label2);
894         gtk_table_attach (GTK_TABLE (table1), label2, 0, 1, 1, 2,
895                         (GtkAttachOptions) (GTK_FILL),
896                         (GtkAttachOptions) (0), 8, 2);
897         gtk_label_set_justify (GTK_LABEL (label2), GTK_JUSTIFY_LEFT);
898         gtk_misc_set_alignment (GTK_MISC (label2), 0, 0.5);
899
900         label3 = gtk_label_new (_("URL:"));
901         gtk_widget_show (label3);
902         gtk_table_attach (GTK_TABLE (table1), label3, 0, 1, 2, 3,
903                         (GtkAttachOptions) (GTK_FILL),
904                         (GtkAttachOptions) (0), 8, 2);
905         gtk_misc_set_alignment (GTK_MISC (label3), 0, 0.5);
906
907         label_name = gtk_label_new ("");
908         gtk_widget_show (label_name);
909         gtk_table_attach (GTK_TABLE (table1), label_name, 1, 2, 0, 1,
910                         (GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
911                         (GtkAttachOptions) (0), 0, 0);
912         gtk_misc_set_alignment (GTK_MISC (label_name), 0, 0.5);
913
914         label_author = gtk_label_new ("");
915         gtk_widget_show (label_author);
916         gtk_table_attach (GTK_TABLE (table1), label_author, 1, 2, 1, 2,
917                         (GtkAttachOptions) (GTK_FILL),
918                         (GtkAttachOptions) (0), 0, 0);
919         gtk_misc_set_alignment (GTK_MISC (label_author), 0, 0.5);
920
921         label_url = gtk_label_new ("");
922         gtk_widget_show (label_url);
923         gtk_table_attach (GTK_TABLE (table1), label_url, 1, 2, 2, 3,
924                         (GtkAttachOptions) (GTK_FILL),
925                         (GtkAttachOptions) (0), 0, 0);
926         gtk_misc_set_alignment (GTK_MISC (label_url), 0, 0.5);
927
928         label4 = gtk_label_new (_("Status:"));
929         gtk_widget_show (label4);
930         gtk_table_attach (GTK_TABLE (table1), label4, 0, 1, 3, 4,
931                         (GtkAttachOptions) (GTK_FILL),
932                         (GtkAttachOptions) (0), 8, 2);
933         gtk_misc_set_alignment (GTK_MISC (label4), 0, 0.5);
934
935         label_status = gtk_label_new ("");
936         gtk_widget_show (label_status);
937         gtk_table_attach (GTK_TABLE (table1), label_status, 1, 2, 3, 4,
938                         (GtkAttachOptions) (GTK_FILL),
939                         (GtkAttachOptions) (0), 0, 0);
940         gtk_misc_set_alignment (GTK_MISC (label_status), 0, 0.5);
941
942         PACK_FRAME(vbox1, frame_preview, _("Preview"));
943
944         hbox1 = gtk_hbox_new (FALSE, 0);
945         gtk_widget_show (hbox1);
946         gtk_container_add (GTK_CONTAINER (frame_preview), hbox1);
947
948         icon_1 = create_pixmap (vbox1, NULL);
949         gtk_widget_show (icon_1);
950         gtk_box_pack_start (GTK_BOX (hbox1), icon_1, TRUE, TRUE, 2);
951         gtk_misc_set_padding (GTK_MISC (icon_1), 0, 5);
952
953         icon_2 = create_pixmap (vbox1, NULL);
954         gtk_widget_show (icon_2);
955         gtk_box_pack_start (GTK_BOX (hbox1), icon_2, TRUE, TRUE, 2);
956         gtk_misc_set_padding (GTK_MISC (icon_2), 0, 5);
957
958         icon_3 = create_pixmap (vbox1, NULL);
959         gtk_widget_show (icon_3);
960         gtk_box_pack_start (GTK_BOX (hbox1), icon_3, TRUE, TRUE, 2);
961         gtk_misc_set_padding (GTK_MISC (icon_3), 0, 5);
962
963         icon_4 = create_pixmap (vbox1, NULL);
964         gtk_widget_show (icon_4);
965         gtk_box_pack_start (GTK_BOX (hbox1), icon_4, TRUE, TRUE, 2);
966         gtk_misc_set_padding (GTK_MISC (icon_4), 0, 5);
967
968         icon_5 = create_pixmap (vbox1, NULL);
969         gtk_widget_show (icon_5);
970         gtk_box_pack_start (GTK_BOX (hbox1), icon_5, TRUE, TRUE, 2);
971         gtk_misc_set_padding (GTK_MISC (icon_5), 0, 5);
972
973         icon_6 = create_pixmap (vbox1, NULL);
974         gtk_widget_show (icon_6);
975         gtk_box_pack_start (GTK_BOX (hbox1), icon_6, TRUE, TRUE, 0);
976         gtk_misc_set_padding (GTK_MISC (icon_6), 0, 5);
977
978         icon_7 = create_pixmap (vbox1, NULL);
979         gtk_widget_show (icon_7);
980         gtk_box_pack_start (GTK_BOX (hbox1), icon_7, TRUE, TRUE, 0);
981         gtk_misc_set_padding (GTK_MISC (icon_7), 0, 5);
982
983         PACK_FRAME(vbox1, frame_buttons, _("Actions"));
984
985         hbuttonbox1 = gtk_hbutton_box_new ();
986         gtk_widget_show (hbuttonbox1);
987         gtk_container_add (GTK_CONTAINER (frame_buttons), hbuttonbox1);
988         gtk_container_set_border_width (GTK_CONTAINER (hbuttonbox1), 5);
989         gtk_button_box_set_layout (GTK_BUTTON_BOX (hbuttonbox1), GTK_BUTTONBOX_START);
990         gtk_button_box_set_spacing (GTK_BUTTON_BOX (hbuttonbox1), 5);
991         gtk_button_box_set_child_ipadding (GTK_BUTTON_BOX (hbuttonbox1), 5, 0);
992
993         btn_use = gtk_button_new_with_label (_("Use this"));
994         gtk_widget_show (btn_use);
995         gtk_container_add (GTK_CONTAINER (hbuttonbox1), btn_use);
996         GTK_WIDGET_SET_FLAGS (btn_use, GTK_CAN_DEFAULT);
997
998         btn_remove = gtk_button_new_with_label (_("Remove"));
999         gtk_widget_show (btn_remove);
1000         gtk_container_add (GTK_CONTAINER (hbuttonbox1), btn_remove);
1001         GTK_WIDGET_SET_FLAGS (btn_remove, GTK_CAN_DEFAULT);
1002
1003         g_signal_connect(G_OBJECT(btn_use), "clicked",
1004                          G_CALLBACK(prefs_themes_btn_use_clicked_cb),
1005                          NULL);
1006         g_signal_connect(G_OBJECT(btn_remove), "clicked",
1007                          G_CALLBACK(prefs_themes_btn_remove_clicked_cb),
1008                          NULL);
1009         g_signal_connect(G_OBJECT(btn_install), "clicked",
1010                          G_CALLBACK(prefs_themes_btn_install_clicked_cb),
1011                          NULL);
1012
1013         prefs_themes->window = GTK_WIDGET(window);
1014         
1015         prefs_themes->name   = label_name;
1016         prefs_themes->author = label_author;
1017         prefs_themes->url    = label_url;
1018         prefs_themes->status = label_status;
1019         prefs_themes->global = label_global_status;
1020
1021         prefs_themes->icons[0] = icon_1;
1022         prefs_themes->icons[1] = icon_2;
1023         prefs_themes->icons[2] = icon_3;
1024         prefs_themes->icons[3] = icon_4;
1025         prefs_themes->icons[4] = icon_5;
1026         prefs_themes->icons[5] = icon_6;
1027         prefs_themes->icons[6] = icon_7;
1028         
1029         prefs_themes->btn_use     = btn_use;
1030         prefs_themes->btn_remove  = btn_remove;
1031         prefs_themes->btn_install = btn_install;
1032         prefs_themes->btn_more    = btn_more;
1033
1034         prefs_themes->op_menu     = menu_themes;
1035
1036         prefs_themes->page.widget = vbox1;
1037
1038         prefs_themes_set_themes_menu(GTK_OPTION_MENU(prefs_themes->op_menu), tdata);
1039         
1040         prefs_themes_get_theme_info(tdata);
1041         prefs_themes_display_global_stats(tdata);
1042 }
1043
1044 static void prefs_themes_destroy_widget(PrefsPage *page)
1045 {
1046         /* ThemesPage *theme = (ThemesPage *)page; */
1047 }
1048
1049 static void prefs_themes_save(PrefsPage *page)
1050 {
1051         /* ThemesPage *theme = (ThemesPage *)page; */
1052 }
1053