2005-08-18 [martin] 1.9.13cvs36
[claws.git] / src / prefs_themes.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 2003-2004 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 void prefs_themes_free_names             (ThemesData *tdata);
143
144 static void prefs_themes_set_themes_menu        (GtkOptionMenu *opmenu, const ThemesData *tdata);
145
146 static gchar *prefs_themes_get_theme_stats      (const gchar *dirname);
147 static gboolean prefs_themes_is_system_theme    (const gchar *dirname);
148
149 static void prefs_themes_create_widget          (PrefsPage *page, GtkWindow *window, gpointer data);
150 static void prefs_themes_destroy_widget         (PrefsPage *page);
151 static void prefs_themes_save                   (PrefsPage *page);
152
153 static void prefs_themes_foreach_file           (const gchar *dirname, const FileFunc func, gpointer data);
154 static void prefs_themes_file_stats             (const gchar *filename, gpointer data);
155 static void prefs_themes_file_remove            (const gchar *filename, gpointer data);
156 static void prefs_themes_file_install           (const gchar *filename, gpointer data);
157
158
159
160 static void prefs_themes_file_stats(const gchar *filename, gpointer data)
161 {
162         struct stat s;
163         DirInfo    *di = (DirInfo *)data;
164         gint        len;
165         
166         if (0 == stat(filename, &s) && 0 != S_ISREG(s.st_mode)) {
167                 di->bytes += s.st_size;
168                 di->files++;
169                 len = strlen(filename);
170                 if (len > 4) {
171                         if (filename[len - 1] == 'm' && filename[len - 2] == 'p' &&
172                             filename[len - 3] == 'x' && filename[len - 4] == '.')
173                                 di->pixms++;
174                 }
175         }
176 }
177         
178 static void prefs_themes_file_remove(const gchar *filename, gpointer data)
179 {
180         gchar **status = (gchar **)data;
181         gchar *base;
182         
183         if ((*status) != NULL)
184                 return;
185         
186         base = g_path_get_basename(filename);
187         if (TRUE == is_dir_exist(filename)) {
188                 if (!((base[0] == '.') || (base[0] == '.' && base[1] == '.')))
189                         g_warning("prefs_themes_file_remove(): subdir in theme dir skipped.\n");
190         }
191         else if (0 != unlink(filename)) {
192                 (*status) = g_strdup(filename);
193         }
194         g_free(base);
195 }
196
197 static void prefs_themes_file_install(const gchar *filename, gpointer data)
198 {
199         CopyInfo *ci = (CopyInfo *)data;
200         gchar *base;
201         
202         if (ci->status != NULL)
203                 return;
204         
205         base = g_path_get_basename(filename);
206         if (TRUE == is_dir_exist(filename)) {
207                 if (!((base[0] == '.') || (base[0] == '.' && base[1] == '.')))
208                         g_warning("prefs_themes_file_install(): subdir in theme dir skipped.\n");
209         }
210         else {
211                 gchar *fulldest;
212                 
213                 fulldest = g_strconcat(ci->dest, G_DIR_SEPARATOR_S, base, NULL);
214                 
215                 if (0 != copy_file(filename, fulldest, FALSE)) {
216                         ci->status = g_strdup(filename);
217                 }
218                 g_free(fulldest);
219         }
220         g_free(base);
221 }
222
223 static void prefs_themes_foreach_file(const gchar *dirname, const FileFunc func, gpointer data)
224 {
225         struct dirent *d;
226         DIR           *dp;
227
228         g_return_if_fail(dirname != NULL);
229         g_return_if_fail(func != NULL);
230         
231         if ((dp = opendir(dirname)) == NULL) {
232                 debug_print("directory %s not found", dirname);
233                 return;
234         }
235
236         while ((d = readdir(dp)) != NULL) {
237                 gchar *entry;
238                 gchar *fullentry;
239
240                 entry     = d->d_name;
241                 fullentry = g_strconcat(dirname, G_DIR_SEPARATOR_S, entry, NULL);
242
243                 (*func)(fullentry, data);
244                 
245                 g_free(fullentry);
246         }       
247 }
248
249 static gboolean prefs_themes_is_system_theme(const gchar *dirname)
250 {
251         gint len;
252         
253         g_return_val_if_fail(dirname != NULL, FALSE);
254
255         len = strlen(PACKAGE_DATA_DIR);
256         if (strlen(dirname) > len && 0 == strncmp(dirname, PACKAGE_DATA_DIR, len))
257                 return TRUE;
258         
259         return FALSE;
260 }
261
262 static void prefs_themes_set_themes_menu(GtkOptionMenu *opmenu, const ThemesData *tdata)
263 {
264         GList     *themes = tdata->names;
265         GtkWidget *menu;
266         GtkWidget *item;
267         gint       i = 0, active = 0;
268
269         g_return_if_fail(opmenu != NULL);
270         
271         gtk_option_menu_remove_menu(opmenu);
272         
273         menu = gtk_menu_new ();
274         while (themes != NULL) {
275                 ThemeName *tname = (ThemeName *)(themes->data);
276                 gchar     *tpath = (gchar *)(tname->item->data);
277                 
278                 item = gtk_menu_item_new_with_label(tname->name);
279                 gtk_widget_show(item);
280                 g_signal_connect(G_OBJECT(item), "activate",
281                                  G_CALLBACK(prefs_themes_menu_item_activated_cb),
282                                  tname->item->data);
283                 gtk_menu_append(GTK_MENU(menu), item);
284
285                 if (tdata->displayed != NULL && tdata->displayed == tpath)
286                         active = i;
287
288                 themes = g_list_next(themes);
289                 ++i;
290         }
291         
292         gtk_menu_set_active(GTK_MENU(menu), active);
293         gtk_option_menu_set_menu (opmenu, menu);
294 }
295
296 static void prefs_themes_get_themes_and_names(ThemesData *tdata)
297 {
298         GList *tpaths;
299         
300         g_return_if_fail(tdata != NULL);
301         
302         if (tdata->themes != NULL)
303                 stock_pixmap_themes_list_free(tdata->themes);
304         if (tdata->names != NULL)
305                 prefs_themes_free_names(tdata);
306         
307         tdata->themes = stock_pixmap_themes_list_new();
308         
309         tpaths = tdata->themes;
310         while (tpaths != NULL) {
311                 ThemeName *name = g_new0(ThemeName, 1);
312                 gchar *sname = g_path_get_basename((const gchar *)(tpaths->data));
313                 
314                 if (IS_INTERNAL_THEME(sname))
315                         name->name = g_strdup(_("Default internal theme"));
316                 else
317                         name->name = g_strdup(sname);
318                 name->item = tpaths;
319                         
320                 tdata->names = g_list_append(tdata->names, name);
321                 tpaths = g_list_next(tpaths);
322                 g_free(sname);  
323         }
324 }
325
326 void prefs_themes_init(void)
327 {
328         ThemesData   *tdata;
329         ThemesPage   *page;
330         GList        *tpaths;
331         static gchar *path[3];
332
333         path[0] = _("Display");
334         path[1] = _("Themes");
335         path[2] = NULL;
336
337         debug_print("Creating prefereces for themes...\n");
338         
339         tdata = g_new0(ThemesData, 1);
340         prefs_themes_data = tdata;
341
342         prefs_themes_get_themes_and_names(tdata);
343         
344         page = g_new0(ThemesPage, 1);
345         
346         page->page.path = path;
347         page->page.create_widget = prefs_themes_create_widget;
348         page->page.destroy_widget = prefs_themes_destroy_widget;
349         page->page.save_page = prefs_themes_save;
350         page->page.weight = 130.0;
351         prefs_gtk_register_page((PrefsPage *) page);
352
353         tdata->page = page;
354
355         tpaths = g_list_first(tdata->themes);
356         tdata->displayed = (gchar *)(tpaths->data);
357 }
358
359 static void prefs_themes_free_names(ThemesData *tdata)
360 {
361         GList *names;
362         
363         names = tdata->names;
364         while (names != NULL) {
365                 ThemeName *tn = (ThemeName *)(names->data);
366                 
367                 tn->item = NULL;
368                 g_free(tn->name);
369                 g_free(tn);
370                 
371                 names = g_list_next(names);
372         }
373         g_list_free(names);
374         tdata->names = NULL;
375 }
376
377 void prefs_themes_done(void)
378 {
379         ThemesData *tdata = prefs_themes_data;
380
381         debug_print("Finished prefereces for themes.\n");
382         
383         stock_pixmap_themes_list_free(tdata->themes);
384         prefs_themes_free_names(tdata); 
385         g_free(tdata->page);
386         g_free(tdata);
387 }
388
389 static void prefs_themes_btn_use_clicked_cb(GtkWidget *widget, gpointer data)
390 {
391         ThemesData *tdata = prefs_themes_data;
392         gchar      *theme_str;
393
394         theme_str = tdata->displayed;
395         
396         if (prefs_common.pixmap_theme_path != NULL)
397                 g_free(prefs_common.pixmap_theme_path);
398         
399         prefs_common.pixmap_theme_path = g_strdup(theme_str);
400        
401         main_window_reflect_prefs_all_real(TRUE);
402         compose_reflect_prefs_pixmap_theme();
403        
404         prefs_themes_update_buttons(tdata);
405 }
406
407 static void prefs_themes_btn_remove_clicked_cb(GtkWidget *widget, gpointer data)
408 {
409         ThemesData *tdata = prefs_themes_data;
410         gchar      *theme_str;
411         gchar      *alert_title = NULL;
412         AlertValue  val = 0;
413         gchar      *tmp = NULL;
414
415         theme_str = tdata->displayed;
416         
417         tmp = g_path_get_basename(theme_str);
418
419         if (IS_SYSTEM_THEME(theme_str)) {
420                 if (getuid() != 0) {
421                         alertpanel_error(_("Only root can remove system themes"));
422                         return;
423                 }
424                 alert_title = g_strdup_printf(_("Remove system theme '%s'"), tmp);
425         }
426         if (NULL == alert_title) {
427                 alert_title = g_strdup_printf(_("Remove theme '%s'"), tmp);
428         }
429
430         g_free(tmp);
431
432         val = alertpanel(alert_title,
433                          _("Are you sure you want to remove this theme?"),
434                          GTK_STOCK_YES, GTK_STOCK_NO, NULL);
435         g_free(alert_title);
436
437         if (G_ALERTDEFAULT == val) {
438                 gchar *status = NULL;
439                 
440                 prefs_themes_foreach_file(theme_str, prefs_themes_file_remove, &status); 
441                 if (0 != rmdir(theme_str)) {
442                         if (status != NULL) {
443                                 alertpanel_error(_("File %s failed\nwhile removing theme."), status);
444                                 g_free(status);
445                         }
446                         else
447                                 alertpanel_error(_("Removing theme directory failed."));
448                 }
449                 else {  
450                         alertpanel_notice(_("Theme removed succesfully"));
451                         /* update interface back to first theme */
452                         prefs_themes_get_themes_and_names(tdata);
453                         prefs_themes_set_themes_menu(GTK_OPTION_MENU(tdata->page->op_menu), tdata);
454                         prefs_themes_display_global_stats(tdata);
455                         tdata->displayed = (gchar *)((g_list_first(tdata->themes))->data);
456                         prefs_themes_get_theme_info(tdata);
457                 }
458         }
459 }
460
461 static void prefs_themes_btn_install_clicked_cb(GtkWidget *widget, gpointer data)
462 {
463         gchar      *filename, *source;
464         gchar      *themeinfo, *themename;
465         gchar      *alert_title = NULL;
466         CopyInfo   *cinfo;
467         AlertValue  val = 0;
468         ThemesData *tdata = prefs_themes_data;
469         
470         filename = filesel_select_file_open_folder(_("Select theme folder"), NULL);
471         if (filename == NULL) 
472                 return;
473         
474         if (filename[strlen(filename) - 1] != G_DIR_SEPARATOR)
475                 filename = g_strconcat(filename, G_DIR_SEPARATOR_S, NULL);
476         else
477                 filename = g_strdup(filename);
478
479         cinfo = g_new0(CopyInfo, 1);
480         source = g_path_get_dirname(filename);
481         themename = g_path_get_basename(source);
482         debug_print("Installing '%s' theme from %s\n", themename, filename);
483
484         themeinfo = g_strconcat(source, G_DIR_SEPARATOR_S, THEMEINFO_FILE, NULL);
485         alert_title = g_strdup_printf(_("Install theme '%s'"), themename);
486         if (file_exist(themeinfo, FALSE) == FALSE) {
487                 val = alertpanel(alert_title,
488                                  _("This folder doesn't seem to be a theme folder.\nInstall anyway?"),
489                                  GTK_STOCK_YES, GTK_STOCK_NO, NULL);
490                 if (G_ALERTDEFAULT != val)
491                         goto end_inst;
492         }
493         if (getuid() == 0) {
494                 val = alertpanel(alert_title,
495                                  _("Do you want to install theme for all users?"),
496                                  GTK_STOCK_YES, GTK_STOCK_NO, NULL);
497                 switch (val) {
498                 case G_ALERTDEFAULT:
499                         cinfo->dest = g_strconcat(PACKAGE_DATA_DIR, G_DIR_SEPARATOR_S,
500                                                   PIXMAP_THEME_DIR, G_DIR_SEPARATOR_S, 
501                                                   themename, NULL);
502                         break;
503                 case G_ALERTALTERNATE:
504                         break;
505                 default:
506                         goto end_inst;
507                 }
508         }
509         g_free(alert_title);
510         if (cinfo->dest == NULL) {
511                 cinfo->dest = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, RC_DIR,
512                                           G_DIR_SEPARATOR_S, PIXMAP_THEME_DIR, G_DIR_SEPARATOR_S,
513                                           themename, NULL);
514         }
515         if (TRUE == is_dir_exist(cinfo->dest)) {
516                 alertpanel_error(_("A theme with the same name is\nalready installed in this location"));
517                 goto end_inst;
518         }
519         if (0 != make_dir_hier(cinfo->dest)) {
520                 alertpanel_error(_("Couldn't create destination directory"));
521                 goto end_inst;
522         }
523         prefs_themes_foreach_file(source, prefs_themes_file_install, cinfo);
524         if (cinfo->status == NULL) {
525                 GList *insted;
526
527                 /* update interface to show newly installed theme */
528                 prefs_themes_get_themes_and_names(tdata);
529                 insted = g_list_find_custom(tdata->themes, 
530                                             (gpointer)(cinfo->dest), 
531                                             (GCompareFunc)strcmp2);
532                 if (NULL != insted) {
533                         alertpanel_notice(_("Theme installed succesfully"));
534                         tdata->displayed = (gchar *)(insted->data);
535                         prefs_themes_set_themes_menu(GTK_OPTION_MENU(tdata->page->op_menu), tdata);
536                         prefs_themes_display_global_stats(tdata);
537                         prefs_themes_get_theme_info(tdata);
538                 }
539                 else
540                         alertpanel_error(_("Failed installing theme"));
541         }
542         else
543                 alertpanel_error(_("File %s failed\nwhile installing theme."), cinfo->status);
544 end_inst:
545         if (cinfo->dest != NULL) g_free(cinfo->dest);
546         g_free(filename);
547         g_free(source);
548         g_free(themeinfo);
549         g_free(cinfo);
550         g_free(themename);
551 }
552
553 static void prefs_themes_btn_more_clicked_cb(GtkWidget *widget, gpointer data)
554 {
555         open_uri(CLAWS_THEMES_URI, prefs_common.uri_cmd);
556 }
557
558 static void prefs_themes_menu_item_activated_cb(GtkWidget *widget, gpointer data)
559 {
560         ThemesData *tdata = prefs_themes_data;
561         gchar      *path = (gchar *)data;
562         
563         g_return_if_fail(path != NULL);
564         
565         tdata->displayed = path;
566         prefs_themes_get_theme_info(tdata);
567 }
568
569 static void prefs_themes_update_buttons(const ThemesData *tdata)
570 {
571         ThemesPage *theme = tdata->page;
572         gboolean    can_rem, can_use;
573
574         can_use = !IS_CURRENT_THEME(tdata->displayed);
575         can_rem = can_use && !IS_INTERNAL_THEME(tdata->displayed);
576         
577         if (theme->btn_use != NULL)
578                 gtk_widget_set_sensitive(theme->btn_use, can_use);
579         if (theme->btn_remove != NULL)
580                 gtk_widget_set_sensitive(theme->btn_remove, can_rem);
581 }
582
583 /* placeholders may already be utf8 (i18n) */
584 #define SET_LABEL_TEXT_UTF8(label, text)                                \
585 {                                                                       \
586         gchar *tmpstr;                                                  \
587                                                                         \
588         if (!g_utf8_validate(text, -1, NULL))                           \
589                 tmpstr = conv_codeset_strdup(text,                      \
590                         conv_get_locale_charset_str(),  CS_UTF_8);      \
591         else                                                            \
592                 tmpstr = g_strdup(text);                                \
593                                                                         \
594         gtk_label_set_text(GTK_LABEL(label), tmpstr);                   \
595         g_free(tmpstr);                                                 \
596 }
597 static void prefs_themes_display_theme_info(ThemesData *tdata, const ThemeInfo *info)
598 {
599         ThemesPage *theme = tdata->page;
600         gchar *save_prefs_path;
601         gint   i;
602
603         SET_LABEL_TEXT_UTF8(theme->name,        info->name);
604         SET_LABEL_TEXT_UTF8(theme->author,      info->author);
605         SET_LABEL_TEXT_UTF8(theme->url,         info->url);
606         SET_LABEL_TEXT_UTF8(theme->status,      info->status);
607
608         save_prefs_path = prefs_common.pixmap_theme_path;
609         prefs_common.pixmap_theme_path = tdata->displayed;
610         for (i = 0; i < PREVIEW_ICONS; ++i) {
611                 stock_pixmap_gdk(theme->window, prefs_themes_icons[i], 
612                                 &(theme->pixmaps[i]), &(theme->masks[i]));
613                 gtk_image_set_from_pixmap(GTK_IMAGE(theme->icons[i]),
614                                 theme->pixmaps[i], theme->masks[i]);
615         }
616         prefs_common.pixmap_theme_path = save_prefs_path;
617
618         prefs_themes_update_buttons(tdata);
619 }
620 #undef SET_LABEL_TEXT_UTF8
621
622 static void prefs_themes_display_global_stats(const ThemesData *tdata)
623 {
624         ThemesPage *theme = tdata->page;
625         GList      *tnames = tdata->names;
626         gchar      *gstats;
627         gint        sys = 0;
628         gint        usr = 0;
629         gint        all = 0;
630
631         while (tnames != NULL) {
632                 ThemeName *tname = (ThemeName *)(tnames->data);
633                 gchar     *tpath = (gchar *)(tname->item->data);
634                 
635                 if (IS_SYSTEM_THEME(tpath)) 
636                         ++sys;
637                 else if (!IS_INTERNAL_THEME(tpath)) 
638                         ++usr;
639                 ++all;
640                 tnames = g_list_next(tnames);
641         }
642
643         gstats = g_strdup_printf(_("%d themes available (%d user, %d system, 1 internal)"),
644                                  all, usr, sys);
645         gtk_label_set_text(GTK_LABEL(theme->global), gstats);
646         gtk_label_set_justify (GTK_LABEL (theme->global), GTK_JUSTIFY_LEFT);
647         gtkut_widget_set_small_font_size (theme->global);
648         g_free(gstats);
649 }
650
651 #define INFOFILE_LINE_LEN 80
652
653 #define FGETS_INFOFILE_LINE() \
654         line[0] = '\0'; \
655         fgets(line, INFOFILE_LINE_LEN, finfo); \
656         if ((len = strlen(line)) > 0) { \
657                 if (line[len - 1] == '\n') line[len - 1] = '\0'; \
658         } \
659         else { \
660                 strcpy(line, _("Unknown")); \
661         }
662
663 static void prefs_themes_get_theme_info(ThemesData *tdata)
664 {
665         FILE  *finfo;
666         gchar *sinfo;
667         gchar *path;
668         gchar  line[INFOFILE_LINE_LEN];
669         gint   len;
670         ThemeInfo *info;
671         ThemesPage *theme = tdata->page;
672
673         g_return_if_fail(theme != NULL);
674         path = tdata->displayed;
675         g_return_if_fail(path != NULL);
676
677         debug_print("Getting theme info for %s\n", path);
678         
679         info = g_new0(ThemeInfo, 1);
680         
681         if (IS_INTERNAL_THEME(path)) {
682                 info->name = g_strdup(_("Default internal theme"));
683                 info->author = g_strdup(_("The Sylpheed Claws Team"));
684                 info->url = g_strdup(HOMEPAGE_URI);
685                 info->status = g_strdup_printf(_("Internal theme has %d icons"), N_STOCK_PIXMAPS);
686         }
687         else {
688                 sinfo = g_strconcat(path, G_DIR_SEPARATOR_S, THEMEINFO_FILE, NULL);
689                 finfo = fopen(sinfo, "r");
690                 if (finfo == NULL) {
691                         info->name = g_strdup(_("No info file available for this theme"));
692                         info->author = g_strdup(_("Unknown"));
693                         info->url = g_strdup(_("Unknown"));
694                 }
695                 else {
696                         FGETS_INFOFILE_LINE()
697                         info->name = g_strdup(line);
698                         FGETS_INFOFILE_LINE()
699                         info->author = g_strdup(line);
700                         FGETS_INFOFILE_LINE()
701                         info->url = g_strdup(line);
702                 
703                         fclose(finfo);
704                 }
705                 g_free(sinfo);
706
707                 info->status = prefs_themes_get_theme_stats(path);
708                 if (info->status == NULL) {
709                         info->status = g_strdup(_("Error: can't get theme status"));
710                 }
711         }
712
713         prefs_themes_display_theme_info(tdata, info);
714
715         g_free(info->name);
716         g_free(info->author);
717         g_free(info->url);
718         g_free(info->status);
719         
720         g_free(info);
721 }
722
723 #undef FGETS_INFOFILE_LINE
724
725 static gchar *prefs_themes_get_theme_stats(const gchar *dirname)
726 {
727         gchar   *stats;
728         DirInfo *dinfo;
729
730         dinfo = g_new0(DirInfo, 1);
731         
732         prefs_themes_foreach_file(dirname, prefs_themes_file_stats, dinfo);
733         stats = g_strdup_printf(_("%d files (%d icons), size: %s"), 
734                                 dinfo->files, dinfo->pixms, to_human_readable(dinfo->bytes));
735         
736         g_free(dinfo);
737         return stats;
738 }
739
740 /* BEGIN GLADE CODE */
741 /* This is a dummy pixmap we use when a pixmap can't be found. */
742 static char *dummy_pixmap_xpm[] = {
743         /* columns rows colors chars-per-pixel */
744         "1 1 1 1",
745         "  c None",
746         /* pixels */
747         " "
748 };
749
750 /* This is an internally used function to create pixmaps. */
751 static GtkWidget* create_dummy_pixmap(GtkWidget *widget)
752 {
753         GdkColormap *colormap;
754         GdkPixmap *gdkpixmap;
755         GdkBitmap *mask;
756         GtkWidget *pixmap;
757
758         colormap = gtk_widget_get_colormap (widget);
759         gdkpixmap = gdk_pixmap_colormap_create_from_xpm_d (NULL, colormap, &mask,
760                         NULL, dummy_pixmap_xpm);
761         if (gdkpixmap == NULL)
762                 g_error ("Couldn't create replacement pixmap.");
763         pixmap = gtk_image_new_from_pixmap(gdkpixmap, mask);
764         g_object_unref (gdkpixmap);
765         g_object_unref (mask);
766         return pixmap;
767 }
768 /* END GLADE CODE */
769
770 /* glade generates some calls to a create_pixmap support function 
771  * we don't really need. */
772 #define create_pixmap(widget,filename) create_dummy_pixmap(widget)
773
774 static void prefs_themes_create_widget(PrefsPage *page, GtkWindow *window, gpointer data)
775 {
776         ThemesPage *prefs_themes = (ThemesPage *)page;
777         ThemesData *tdata = prefs_themes_data;
778         gchar *buf;
779         gint   i;
780         /* from gtk/about.c */
781         GtkStyle *style;
782         GdkColormap *cmap;
783         GdkColor uri_color[2] = {{0, 0, 0, 0xffff}, {0, 0xffff, 0, 0}};
784         gboolean success[2];
785
786         GtkWidget *vbox1;
787         GtkWidget *frame1;
788         GtkWidget *vbox2;
789         GtkWidget *hbox3;
790         GtkWidget *menu_themes;
791         GtkWidget *menu_themes_menu;
792         GtkWidget *glade_menuitem;
793         GtkWidget *btn_install;
794         GtkWidget *btn_more;
795         GtkWidget *label_global_status;
796         GtkWidget *frame_info;
797         GtkWidget *table1;
798         GtkWidget *label1;
799         GtkWidget *label2;
800         GtkWidget *label3;
801         GtkWidget *label_name;
802         GtkWidget *label_author;
803         GtkWidget *label_url;
804         GtkWidget *label4;
805         GtkWidget *label_status;
806         GtkWidget *frame_preview;
807         GtkWidget *hbox1;
808         GtkWidget *icon_1;
809         GtkWidget *icon_2;
810         GtkWidget *icon_3;
811         GtkWidget *icon_4;
812         GtkWidget *icon_5;
813         GtkWidget *icon_6;
814         GtkWidget *icon_7;
815         GtkWidget *frame_buttons;
816         GtkWidget *hbuttonbox1;
817         GtkWidget *btn_use;
818         GtkWidget *btn_remove;
819
820         vbox1 = gtk_vbox_new (FALSE, 0);
821         gtk_widget_show (vbox1);
822
823         PACK_FRAME (vbox1, frame1, _("Selector"));
824
825         vbox2 = gtk_vbox_new (FALSE, 0);
826         gtk_widget_show (vbox2);
827         gtk_container_add (GTK_CONTAINER (frame1), vbox2);
828
829         hbox3 = gtk_hbox_new (FALSE, 0);
830         gtk_widget_show (hbox3);
831         gtk_box_pack_start (GTK_BOX (vbox2), hbox3, FALSE, FALSE, 0);
832         gtk_container_set_border_width (GTK_CONTAINER (hbox3), 5);
833
834         menu_themes = gtk_option_menu_new ();
835         gtk_widget_show (menu_themes);
836         gtk_box_pack_start (GTK_BOX (hbox3), menu_themes, FALSE, FALSE, 0);
837         menu_themes_menu = gtk_menu_new ();
838         glade_menuitem = gtk_menu_item_new_with_label ("");
839         gtk_widget_show (glade_menuitem);
840         gtk_menu_append (GTK_MENU (menu_themes_menu), glade_menuitem);
841         gtk_option_menu_set_menu (GTK_OPTION_MENU (menu_themes), menu_themes_menu);
842
843         btn_install = gtk_button_new_with_label (_("Install new..."));
844         gtk_widget_show (btn_install);
845         gtk_box_pack_start (GTK_BOX (hbox3), btn_install, FALSE, FALSE, 0);
846         GTK_WIDGET_SET_FLAGS (btn_install, GTK_CAN_DEFAULT);
847
848         btn_more = gtk_button_new_with_label (_("Get more..."));
849         gtk_widget_show (btn_more);
850         gtk_box_pack_start (GTK_BOX (hbox3), btn_more, FALSE, FALSE, 0);
851         GTK_WIDGET_SET_FLAGS (btn_more, GTK_CAN_DEFAULT);
852         /* make it look like an uri */
853         gtk_button_set_relief(GTK_BUTTON(btn_more), GTK_RELIEF_NONE);
854         gtk_label_get(GTK_LABEL(GTK_BIN(btn_more)->child), &buf);
855         buf = g_strdup(buf);
856         for (i = 0; buf[i] != '\0'; buf[i++] = '_');
857         gtk_label_set_pattern(GTK_LABEL(GTK_BIN(btn_more)->child), buf);
858         g_free(buf);
859         cmap = gdk_drawable_get_colormap((mainwindow_get_mainwindow())->window->window);
860         gdk_colormap_alloc_colors(cmap, uri_color, 2, FALSE, TRUE, success);
861         if (success[0] == TRUE && success[1] == TRUE) {
862                 gtk_widget_ensure_style(GTK_BIN(btn_more)->child);
863                 style = gtk_style_copy
864                         (gtk_widget_get_style(GTK_BIN(btn_more)->child));
865                 style->fg[GTK_STATE_NORMAL]   = uri_color[0];
866                 style->fg[GTK_STATE_ACTIVE]   = uri_color[1];
867                 style->fg[GTK_STATE_PRELIGHT] = uri_color[0];
868                 gtk_widget_set_style(GTK_BIN(btn_more)->child, style);
869         } else
870                 g_warning("prefs_themes_create_widget(): color allocation failed.\n");
871
872
873         label_global_status = gtk_label_new ("");
874         gtk_widget_show (label_global_status);
875         gtk_box_pack_start (GTK_BOX (vbox2), label_global_status, FALSE, FALSE, 0);
876         gtk_label_set_justify (GTK_LABEL (label_global_status), GTK_JUSTIFY_LEFT);
877         gtk_misc_set_alignment (GTK_MISC (label_global_status), 0, 0.5);
878         gtk_misc_set_padding (GTK_MISC (label_global_status), 6, 0);
879
880         PACK_FRAME(vbox1, frame_info, _("Information"));
881
882         table1 = gtk_table_new (4, 2, FALSE);
883         gtk_widget_show (table1);
884         gtk_container_add (GTK_CONTAINER (frame_info), table1);
885
886         label1 = gtk_label_new (_("Name: "));
887         gtk_widget_show (label1);
888         gtk_table_attach (GTK_TABLE (table1), label1, 0, 1, 0, 1,
889                         (GtkAttachOptions) (GTK_FILL),
890                         (GtkAttachOptions) (0), 8, 2);
891         gtk_label_set_justify (GTK_LABEL (label1), GTK_JUSTIFY_LEFT);
892         gtk_misc_set_alignment (GTK_MISC (label1), 0, 0.5);
893
894         label2 = gtk_label_new (_("Author: "));
895         gtk_widget_show (label2);
896         gtk_table_attach (GTK_TABLE (table1), label2, 0, 1, 1, 2,
897                         (GtkAttachOptions) (GTK_FILL),
898                         (GtkAttachOptions) (0), 8, 2);
899         gtk_label_set_justify (GTK_LABEL (label2), GTK_JUSTIFY_LEFT);
900         gtk_misc_set_alignment (GTK_MISC (label2), 0, 0.5);
901
902         label3 = gtk_label_new (_("URL:"));
903         gtk_widget_show (label3);
904         gtk_table_attach (GTK_TABLE (table1), label3, 0, 1, 2, 3,
905                         (GtkAttachOptions) (GTK_FILL),
906                         (GtkAttachOptions) (0), 8, 2);
907         gtk_misc_set_alignment (GTK_MISC (label3), 0, 0.5);
908
909         label_name = gtk_label_new ("");
910         gtk_widget_show (label_name);
911         gtk_table_attach (GTK_TABLE (table1), label_name, 1, 2, 0, 1,
912                         (GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
913                         (GtkAttachOptions) (0), 0, 0);
914         gtk_misc_set_alignment (GTK_MISC (label_name), 0, 0.5);
915
916         label_author = gtk_label_new ("");
917         gtk_widget_show (label_author);
918         gtk_table_attach (GTK_TABLE (table1), label_author, 1, 2, 1, 2,
919                         (GtkAttachOptions) (GTK_FILL),
920                         (GtkAttachOptions) (0), 0, 0);
921         gtk_misc_set_alignment (GTK_MISC (label_author), 0, 0.5);
922
923         label_url = gtk_label_new ("");
924         gtk_widget_show (label_url);
925         gtk_table_attach (GTK_TABLE (table1), label_url, 1, 2, 2, 3,
926                         (GtkAttachOptions) (GTK_FILL),
927                         (GtkAttachOptions) (0), 0, 0);
928         gtk_misc_set_alignment (GTK_MISC (label_url), 0, 0.5);
929
930         label4 = gtk_label_new (_("Status:"));
931         gtk_widget_show (label4);
932         gtk_table_attach (GTK_TABLE (table1), label4, 0, 1, 3, 4,
933                         (GtkAttachOptions) (GTK_FILL),
934                         (GtkAttachOptions) (0), 8, 2);
935         gtk_misc_set_alignment (GTK_MISC (label4), 0, 0.5);
936
937         label_status = gtk_label_new ("");
938         gtk_widget_show (label_status);
939         gtk_table_attach (GTK_TABLE (table1), label_status, 1, 2, 3, 4,
940                         (GtkAttachOptions) (GTK_FILL),
941                         (GtkAttachOptions) (0), 0, 0);
942         gtk_misc_set_alignment (GTK_MISC (label_status), 0, 0.5);
943
944         PACK_FRAME(vbox1, frame_preview, _("Preview"));
945
946         hbox1 = gtk_hbox_new (FALSE, 0);
947         gtk_widget_show (hbox1);
948         gtk_container_add (GTK_CONTAINER (frame_preview), hbox1);
949
950         icon_1 = create_pixmap (vbox1, NULL);
951         gtk_widget_show (icon_1);
952         gtk_box_pack_start (GTK_BOX (hbox1), icon_1, TRUE, TRUE, 2);
953         gtk_misc_set_padding (GTK_MISC (icon_1), 0, 5);
954
955         icon_2 = create_pixmap (vbox1, NULL);
956         gtk_widget_show (icon_2);
957         gtk_box_pack_start (GTK_BOX (hbox1), icon_2, TRUE, TRUE, 2);
958         gtk_misc_set_padding (GTK_MISC (icon_2), 0, 5);
959
960         icon_3 = create_pixmap (vbox1, NULL);
961         gtk_widget_show (icon_3);
962         gtk_box_pack_start (GTK_BOX (hbox1), icon_3, TRUE, TRUE, 2);
963         gtk_misc_set_padding (GTK_MISC (icon_3), 0, 5);
964
965         icon_4 = create_pixmap (vbox1, NULL);
966         gtk_widget_show (icon_4);
967         gtk_box_pack_start (GTK_BOX (hbox1), icon_4, TRUE, TRUE, 2);
968         gtk_misc_set_padding (GTK_MISC (icon_4), 0, 5);
969
970         icon_5 = create_pixmap (vbox1, NULL);
971         gtk_widget_show (icon_5);
972         gtk_box_pack_start (GTK_BOX (hbox1), icon_5, TRUE, TRUE, 2);
973         gtk_misc_set_padding (GTK_MISC (icon_5), 0, 5);
974
975         icon_6 = create_pixmap (vbox1, NULL);
976         gtk_widget_show (icon_6);
977         gtk_box_pack_start (GTK_BOX (hbox1), icon_6, TRUE, TRUE, 0);
978         gtk_misc_set_padding (GTK_MISC (icon_6), 0, 5);
979
980         icon_7 = create_pixmap (vbox1, NULL);
981         gtk_widget_show (icon_7);
982         gtk_box_pack_start (GTK_BOX (hbox1), icon_7, TRUE, TRUE, 0);
983         gtk_misc_set_padding (GTK_MISC (icon_7), 0, 5);
984
985         PACK_FRAME(vbox1, frame_buttons, _("Actions"));
986
987         hbuttonbox1 = gtk_hbutton_box_new ();
988         gtk_widget_show (hbuttonbox1);
989         gtk_container_add (GTK_CONTAINER (frame_buttons), hbuttonbox1);
990         gtk_container_set_border_width (GTK_CONTAINER (hbuttonbox1), 5);
991         gtk_button_box_set_layout (GTK_BUTTON_BOX (hbuttonbox1), GTK_BUTTONBOX_START);
992         gtk_button_box_set_spacing (GTK_BUTTON_BOX (hbuttonbox1), 5);
993         gtk_button_box_set_child_ipadding (GTK_BUTTON_BOX (hbuttonbox1), 5, 0);
994
995         btn_use = gtk_button_new_with_label (_("Use this"));
996         gtk_widget_show (btn_use);
997         gtk_container_add (GTK_CONTAINER (hbuttonbox1), btn_use);
998         GTK_WIDGET_SET_FLAGS (btn_use, GTK_CAN_DEFAULT);
999
1000         btn_remove = gtk_button_new_with_label (_("Remove"));
1001         gtk_widget_show (btn_remove);
1002         gtk_container_add (GTK_CONTAINER (hbuttonbox1), btn_remove);
1003         GTK_WIDGET_SET_FLAGS (btn_remove, GTK_CAN_DEFAULT);
1004
1005         g_signal_connect(G_OBJECT(btn_use), "clicked",
1006                          G_CALLBACK(prefs_themes_btn_use_clicked_cb),
1007                          NULL);
1008         g_signal_connect(G_OBJECT(btn_remove), "clicked",
1009                          G_CALLBACK(prefs_themes_btn_remove_clicked_cb),
1010                          NULL);
1011         g_signal_connect(G_OBJECT(btn_install), "clicked",
1012                          G_CALLBACK(prefs_themes_btn_install_clicked_cb),
1013                          NULL);
1014         g_signal_connect(G_OBJECT(btn_more), "clicked",
1015                          G_CALLBACK(prefs_themes_btn_more_clicked_cb),
1016                          NULL);
1017
1018         prefs_themes->window = GTK_WIDGET(window);
1019         
1020         prefs_themes->name   = label_name;
1021         prefs_themes->author = label_author;
1022         prefs_themes->url    = label_url;
1023         prefs_themes->status = label_status;
1024         prefs_themes->global = label_global_status;
1025
1026         prefs_themes->icons[0] = icon_1;
1027         prefs_themes->icons[1] = icon_2;
1028         prefs_themes->icons[2] = icon_3;
1029         prefs_themes->icons[3] = icon_4;
1030         prefs_themes->icons[4] = icon_5;
1031         prefs_themes->icons[5] = icon_6;
1032         prefs_themes->icons[6] = icon_7;
1033         
1034         prefs_themes->btn_use     = btn_use;
1035         prefs_themes->btn_remove  = btn_remove;
1036         prefs_themes->btn_install = btn_install;
1037         prefs_themes->btn_more    = btn_more;
1038
1039         prefs_themes->op_menu     = menu_themes;
1040
1041         prefs_themes->page.widget = vbox1;
1042
1043         prefs_themes_set_themes_menu(GTK_OPTION_MENU(prefs_themes->op_menu), tdata);
1044         
1045         prefs_themes_get_theme_info(tdata);
1046         prefs_themes_display_global_stats(tdata);
1047 }
1048
1049 static void prefs_themes_destroy_widget(PrefsPage *page)
1050 {
1051         /* ThemesPage *theme = (ThemesPage *)page; */
1052 }
1053
1054 static void prefs_themes_save(PrefsPage *page)
1055 {
1056         /* ThemesPage *theme = (ThemesPage *)page; */
1057 }
1058