2005-02-15 [colin] 1.0.1cvs7.1
[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 = 15.0;
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                          _("No"), _("Yes"), _("Cancel"));
435         g_free(alert_title);
436         if (G_ALERTALTERNATE == val) {
437                 gchar *status = NULL;
438                 
439                 prefs_themes_foreach_file(theme_str, prefs_themes_file_remove, &status); 
440                 if (0 != rmdir(theme_str)) {
441                         if (status != NULL) {
442                                 alertpanel_error(_("File %s failed\nwhile removing theme."), status);
443                                 g_free(status);
444                         }
445                         else
446                                 alertpanel_error(_("Removing theme directory failed."));
447                 }
448                 else {  
449                         alertpanel_notice(_("Theme removed succesfully"));
450                         /* update interface back to first theme */
451                         prefs_themes_get_themes_and_names(tdata);
452                         prefs_themes_set_themes_menu(GTK_OPTION_MENU(tdata->page->op_menu), tdata);
453                         prefs_themes_display_global_stats(tdata);
454                         tdata->displayed = (gchar *)((g_list_first(tdata->themes))->data);
455                         prefs_themes_get_theme_info(tdata);
456                 }
457         }
458         g_free(theme_str);
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         cinfo = g_new0(CopyInfo, 1);
475         source = g_path_get_dirname(filename);
476         themename = g_path_get_basename(source);
477         debug_print("Installing '%s' theme from %s\n", themename, filename);
478
479         themeinfo = g_strconcat(source, G_DIR_SEPARATOR_S, THEMEINFO_FILE, NULL);
480         alert_title = g_strdup_printf(_("Install theme '%s'"), themename);
481         if (file_exist(themeinfo, FALSE) == FALSE) {
482                 val = alertpanel(alert_title,
483                                  _("This folder doesn't seem to be a theme folder.\nInstall anyway?"),
484                                  _("Yes"), _("No"), _("Cancel"));
485                 if (G_ALERTDEFAULT != val)
486                         goto end_inst;
487         }
488         if (getuid() == 0) {
489                 val = alertpanel(alert_title,
490                                  _("Do you want to install theme for all users?"),
491                                  _("Yes"), _("No"), _("Cancel"));
492                 switch (val) {
493                 case G_ALERTDEFAULT:
494                         cinfo->dest = g_strconcat(PACKAGE_DATA_DIR, G_DIR_SEPARATOR_S,
495                                                   PIXMAP_THEME_DIR, G_DIR_SEPARATOR_S, 
496                                                   themename, NULL);
497                         break;
498                 case G_ALERTALTERNATE:
499                         break;
500                 default:
501                         goto end_inst;
502                 }
503         }
504         g_free(alert_title);
505         if (cinfo->dest == NULL) {
506                 cinfo->dest = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, RC_DIR,
507                                           G_DIR_SEPARATOR_S, PIXMAP_THEME_DIR, G_DIR_SEPARATOR_S,
508                                           themename, NULL);
509         }
510         if (TRUE == is_dir_exist(cinfo->dest)) {
511                 alertpanel_error(_("A theme with the same name is\nalready installed in this location"));
512                 goto end_inst;
513         }
514         if (0 != make_dir_hier(cinfo->dest)) {
515                 alertpanel_error(_("Couldn't create destination directory"));
516                 goto end_inst;
517         }
518         prefs_themes_foreach_file(source, prefs_themes_file_install, cinfo);
519         if (cinfo->status == NULL) {
520                 GList *insted;
521
522                 /* update interface to show newly installed theme */
523                 prefs_themes_get_themes_and_names(tdata);
524                 insted = g_list_find_custom(tdata->themes, 
525                                             (gpointer)(cinfo->dest), 
526                                             (GCompareFunc)strcmp2);
527                 if (NULL != insted) {
528                         alertpanel_notice(_("Theme installed succesfully"));
529                         tdata->displayed = (gchar *)(insted->data);
530                         prefs_themes_set_themes_menu(GTK_OPTION_MENU(tdata->page->op_menu), tdata);
531                         prefs_themes_display_global_stats(tdata);
532                         prefs_themes_get_theme_info(tdata);
533                 }
534                 else
535                         alertpanel_error(_("Failed installing theme"));
536         }
537         else
538                 alertpanel_error(_("File %s failed\nwhile installing theme."), cinfo->status);
539 end_inst:
540         if (cinfo->dest != NULL) g_free(cinfo->dest);
541         g_free(source);
542         g_free(themeinfo);
543         g_free(cinfo);
544         g_free(themename);
545 }
546
547 static void prefs_themes_btn_more_clicked_cb(GtkWidget *widget, gpointer data)
548 {
549         open_uri(CLAWS_THEMES_URI, prefs_common.uri_cmd);
550 }
551
552 static void prefs_themes_menu_item_activated_cb(GtkWidget *widget, gpointer data)
553 {
554         ThemesData *tdata = prefs_themes_data;
555         gchar      *path = (gchar *)data;
556         
557         g_return_if_fail(path != NULL);
558         
559         tdata->displayed = path;
560         prefs_themes_get_theme_info(tdata);
561 }
562
563 static void prefs_themes_update_buttons(const ThemesData *tdata)
564 {
565         ThemesPage *theme = tdata->page;
566         gboolean    can_rem, can_use;
567
568         can_use = !IS_CURRENT_THEME(tdata->displayed);
569         can_rem = can_use && !IS_INTERNAL_THEME(tdata->displayed);
570         
571         if (theme->btn_use != NULL)
572                 gtk_widget_set_sensitive(theme->btn_use, can_use);
573         if (theme->btn_remove != NULL)
574                 gtk_widget_set_sensitive(theme->btn_remove, can_rem);
575 }
576
577 /* placeholders may already be utf8 (i18n) */
578 #define SET_LABEL_TEXT_UTF8(label, text)                                \
579 {                                                                       \
580         gchar *tmpstr;                                                  \
581                                                                         \
582         if (!g_utf8_validate(text, -1, NULL))                           \
583                 tmpstr = conv_codeset_strdup(text,                      \
584                         conv_get_locale_charset_str(),  CS_UTF_8);      \
585         else                                                            \
586                 tmpstr = g_strdup(text);                                \
587                                                                         \
588         gtk_label_set_text(GTK_LABEL(label), tmpstr);                   \
589         g_free(tmpstr);                                                 \
590 }
591 static void prefs_themes_display_theme_info(ThemesData *tdata, const ThemeInfo *info)
592 {
593         ThemesPage *theme = tdata->page;
594         gchar *save_prefs_path;
595         gint   i;
596
597         SET_LABEL_TEXT_UTF8(theme->name,        info->name);
598         SET_LABEL_TEXT_UTF8(theme->author,      info->author);
599         SET_LABEL_TEXT_UTF8(theme->url,         info->url);
600         SET_LABEL_TEXT_UTF8(theme->status,      info->status);
601
602         save_prefs_path = prefs_common.pixmap_theme_path;
603         prefs_common.pixmap_theme_path = tdata->displayed;
604         for (i = 0; i < PREVIEW_ICONS; ++i) {
605                 stock_pixmap_gdk(theme->window, prefs_themes_icons[i], 
606                                 &(theme->pixmaps[i]), &(theme->masks[i]));
607                 gtk_image_set_from_pixmap(GTK_IMAGE(theme->icons[i]),
608                                 theme->pixmaps[i], theme->masks[i]);
609         }
610         prefs_common.pixmap_theme_path = save_prefs_path;
611
612         prefs_themes_update_buttons(tdata);
613 }
614 #undef SET_LABEL_TEXT_UTF8
615
616 static void prefs_themes_display_global_stats(const ThemesData *tdata)
617 {
618         ThemesPage *theme = tdata->page;
619         GList      *tnames = tdata->names;
620         gchar      *gstats;
621         gint        sys = 0;
622         gint        usr = 0;
623         gint        all = 0;
624
625         while (tnames != NULL) {
626                 ThemeName *tname = (ThemeName *)(tnames->data);
627                 gchar     *tpath = (gchar *)(tname->item->data);
628                 
629                 if (IS_SYSTEM_THEME(tpath)) 
630                         ++sys;
631                 else if (!IS_INTERNAL_THEME(tpath)) 
632                         ++usr;
633                 ++all;
634                 tnames = g_list_next(tnames);
635         }
636
637         gstats = g_strdup_printf(_("%d themes available (%d user, %d system, 1 internal)"),
638                                  all, usr, sys);
639         gtk_label_set_text(GTK_LABEL(theme->global), gstats);
640         gtk_label_set_justify (GTK_LABEL (theme->global), GTK_JUSTIFY_LEFT);
641         gtkut_widget_set_small_font_size (theme->global);
642         g_free(gstats);
643 }
644
645 #define INFOFILE_LINE_LEN 80
646
647 #define FGETS_INFOFILE_LINE() \
648         line[0] = '\0'; \
649         fgets(line, INFOFILE_LINE_LEN, finfo); \
650         if ((len = strlen(line)) > 0) { \
651                 if (line[len - 1] == '\n') line[len - 1] = '\0'; \
652         } \
653         else { \
654                 strcpy(line, _("Unknown")); \
655         }
656
657 static void prefs_themes_get_theme_info(ThemesData *tdata)
658 {
659         FILE  *finfo;
660         gchar *sinfo;
661         gchar *path;
662         gchar  line[INFOFILE_LINE_LEN];
663         gint   len;
664         ThemeInfo *info;
665         ThemesPage *theme = tdata->page;
666
667         g_return_if_fail(theme != NULL);
668         path = tdata->displayed;
669         g_return_if_fail(path != NULL);
670
671         debug_print("Getting theme info for %s\n", path);
672         
673         info = g_new0(ThemeInfo, 1);
674         
675         if (IS_INTERNAL_THEME(path)) {
676                 info->name = g_strdup(_("Default internal theme"));
677                 info->author = g_strdup(_("The Sylpheed Claws Team"));
678                 info->url = g_strdup(HOMEPAGE_URI);
679                 info->status = g_strdup_printf(_("Internal theme has %d icons"), N_STOCK_PIXMAPS);
680         }
681         else {
682                 sinfo = g_strconcat(path, G_DIR_SEPARATOR_S, THEMEINFO_FILE, NULL);
683                 finfo = fopen(sinfo, "r");
684                 if (finfo == NULL) {
685                         info->name = g_strdup(_("No info file available for this theme"));
686                         info->author = g_strdup(_("Unknown"));
687                         info->url = g_strdup(_("Unknown"));
688                 }
689                 else {
690                         FGETS_INFOFILE_LINE()
691                         info->name = g_strdup(line);
692                         FGETS_INFOFILE_LINE()
693                         info->author = g_strdup(line);
694                         FGETS_INFOFILE_LINE()
695                         info->url = g_strdup(line);
696                 
697                         fclose(finfo);
698                 }
699                 g_free(sinfo);
700
701                 info->status = prefs_themes_get_theme_stats(path);
702                 if (info->status == NULL) {
703                         info->status = g_strdup(_("Error: can't get theme status"));
704                 }
705         }
706
707         prefs_themes_display_theme_info(tdata, info);
708
709         g_free(info->name);
710         g_free(info->author);
711         g_free(info->url);
712         g_free(info->status);
713         
714         g_free(info);
715 }
716
717 #undef FGETS_INFOFILE_LINE
718
719 static gchar *prefs_themes_get_theme_stats(const gchar *dirname)
720 {
721         gchar   *stats;
722         DirInfo *dinfo;
723
724         dinfo = g_new0(DirInfo, 1);
725         
726         prefs_themes_foreach_file(dirname, prefs_themes_file_stats, dinfo);
727         stats = g_strdup_printf(_("%d files (%d icons), size: %s"), 
728                                 dinfo->files, dinfo->pixms, to_human_readable(dinfo->bytes));
729         
730         g_free(dinfo);
731         return stats;
732 }
733
734 /* BEGIN GLADE CODE */
735 /* This is a dummy pixmap we use when a pixmap can't be found. */
736 static char *dummy_pixmap_xpm[] = {
737         /* columns rows colors chars-per-pixel */
738         "1 1 1 1",
739         "  c None",
740         /* pixels */
741         " "
742 };
743
744 /* This is an internally used function to create pixmaps. */
745 static GtkWidget* create_dummy_pixmap(GtkWidget *widget)
746 {
747         GdkColormap *colormap;
748         GdkPixmap *gdkpixmap;
749         GdkBitmap *mask;
750         GtkWidget *pixmap;
751
752         colormap = gtk_widget_get_colormap (widget);
753         gdkpixmap = gdk_pixmap_colormap_create_from_xpm_d (NULL, colormap, &mask,
754                         NULL, dummy_pixmap_xpm);
755         if (gdkpixmap == NULL)
756                 g_error ("Couldn't create replacement pixmap.");
757         pixmap = gtk_image_new_from_pixmap(gdkpixmap, mask);
758         g_object_unref (gdkpixmap);
759         g_object_unref (mask);
760         return pixmap;
761 }
762 /* END GLADE CODE */
763
764 /* glade generates some calls to a create_pixmap support function 
765  * we don't really need. */
766 #define create_pixmap(widget,filename) create_dummy_pixmap(widget)
767
768 static void prefs_themes_create_widget(PrefsPage *page, GtkWindow *window, gpointer data)
769 {
770         ThemesPage *prefs_themes = (ThemesPage *)page;
771         ThemesData *tdata = prefs_themes_data;
772         gchar *buf;
773         gint   i;
774         /* from gtk/about.c */
775         GtkStyle *style;
776         GdkColormap *cmap;
777         GdkColor uri_color[2] = {{0, 0, 0, 0xffff}, {0, 0xffff, 0, 0}};
778         gboolean success[2];
779
780         GtkWidget *vbox1;
781         GtkWidget *frame1;
782         GtkWidget *vbox2;
783         GtkWidget *hbox3;
784         GtkWidget *menu_themes;
785         GtkWidget *menu_themes_menu;
786         GtkWidget *glade_menuitem;
787         GtkWidget *btn_install;
788         GtkWidget *btn_more;
789         GtkWidget *label_global_status;
790         GtkWidget *frame_info;
791         GtkWidget *table1;
792         GtkWidget *label1;
793         GtkWidget *label2;
794         GtkWidget *label3;
795         GtkWidget *label_name;
796         GtkWidget *label_author;
797         GtkWidget *label_url;
798         GtkWidget *label4;
799         GtkWidget *label_status;
800         GtkWidget *frame_preview;
801         GtkWidget *hbox1;
802         GtkWidget *icon_1;
803         GtkWidget *icon_2;
804         GtkWidget *icon_3;
805         GtkWidget *icon_4;
806         GtkWidget *icon_5;
807         GtkWidget *icon_6;
808         GtkWidget *icon_7;
809         GtkWidget *frame_buttons;
810         GtkWidget *hbuttonbox1;
811         GtkWidget *btn_use;
812         GtkWidget *btn_remove;
813
814         vbox1 = gtk_vbox_new (FALSE, 0);
815         gtk_widget_show (vbox1);
816
817         PACK_FRAME (vbox1, frame1, _("Selector"));
818
819         vbox2 = gtk_vbox_new (FALSE, 0);
820         gtk_widget_show (vbox2);
821         gtk_container_add (GTK_CONTAINER (frame1), vbox2);
822
823         hbox3 = gtk_hbox_new (FALSE, 0);
824         gtk_widget_show (hbox3);
825         gtk_box_pack_start (GTK_BOX (vbox2), hbox3, FALSE, FALSE, 0);
826         gtk_container_set_border_width (GTK_CONTAINER (hbox3), 5);
827
828         menu_themes = gtk_option_menu_new ();
829         gtk_widget_show (menu_themes);
830         gtk_box_pack_start (GTK_BOX (hbox3), menu_themes, FALSE, FALSE, 0);
831         menu_themes_menu = gtk_menu_new ();
832         glade_menuitem = gtk_menu_item_new_with_label ("");
833         gtk_widget_show (glade_menuitem);
834         gtk_menu_append (GTK_MENU (menu_themes_menu), glade_menuitem);
835         gtk_option_menu_set_menu (GTK_OPTION_MENU (menu_themes), menu_themes_menu);
836
837         btn_install = gtk_button_new_with_label (_("Install new..."));
838         gtk_widget_show (btn_install);
839         gtk_box_pack_start (GTK_BOX (hbox3), btn_install, FALSE, FALSE, 0);
840         GTK_WIDGET_SET_FLAGS (btn_install, GTK_CAN_DEFAULT);
841
842         btn_more = gtk_button_new_with_label (_("Get more..."));
843         gtk_widget_show (btn_more);
844         gtk_box_pack_start (GTK_BOX (hbox3), btn_more, FALSE, FALSE, 0);
845         GTK_WIDGET_SET_FLAGS (btn_more, GTK_CAN_DEFAULT);
846         /* make it look like an uri */
847         gtk_button_set_relief(GTK_BUTTON(btn_more), GTK_RELIEF_NONE);
848         gtk_label_get(GTK_LABEL(GTK_BIN(btn_more)->child), &buf);
849         buf = g_strdup(buf);
850         for (i = 0; buf[i] != '\0'; buf[i++] = '_');
851         gtk_label_set_pattern(GTK_LABEL(GTK_BIN(btn_more)->child), buf);
852         g_free(buf);
853         cmap = gdk_window_get_colormap((mainwindow_get_mainwindow())->window->window);
854         gdk_colormap_alloc_colors(cmap, uri_color, 2, FALSE, TRUE, success);
855         if (success[0] == TRUE && success[1] == TRUE) {
856                 gtk_widget_ensure_style(GTK_BIN(btn_more)->child);
857                 style = gtk_style_copy
858                         (gtk_widget_get_style(GTK_BIN(btn_more)->child));
859                 style->fg[GTK_STATE_NORMAL]   = uri_color[0];
860                 style->fg[GTK_STATE_ACTIVE]   = uri_color[1];
861                 style->fg[GTK_STATE_PRELIGHT] = uri_color[0];
862                 gtk_widget_set_style(GTK_BIN(btn_more)->child, style);
863         } else
864                 g_warning("prefs_themes_create_widget(): color allocation failed.\n");
865
866
867         label_global_status = gtk_label_new ("");
868         gtk_widget_show (label_global_status);
869         gtk_box_pack_start (GTK_BOX (vbox2), label_global_status, FALSE, FALSE, 0);
870         gtk_label_set_justify (GTK_LABEL (label_global_status), GTK_JUSTIFY_LEFT);
871         gtk_misc_set_alignment (GTK_MISC (label_global_status), 0, 0.5);
872         gtk_misc_set_padding (GTK_MISC (label_global_status), 6, 0);
873
874         PACK_FRAME(vbox1, frame_info, _("Information"));
875
876         table1 = gtk_table_new (4, 2, FALSE);
877         gtk_widget_show (table1);
878         gtk_container_add (GTK_CONTAINER (frame_info), table1);
879
880         label1 = gtk_label_new (_("Name: "));
881         gtk_widget_show (label1);
882         gtk_table_attach (GTK_TABLE (table1), label1, 0, 1, 0, 1,
883                         (GtkAttachOptions) (GTK_FILL),
884                         (GtkAttachOptions) (0), 8, 2);
885         gtk_label_set_justify (GTK_LABEL (label1), GTK_JUSTIFY_LEFT);
886         gtk_misc_set_alignment (GTK_MISC (label1), 0, 0.5);
887
888         label2 = gtk_label_new (_("Author: "));
889         gtk_widget_show (label2);
890         gtk_table_attach (GTK_TABLE (table1), label2, 0, 1, 1, 2,
891                         (GtkAttachOptions) (GTK_FILL),
892                         (GtkAttachOptions) (0), 8, 2);
893         gtk_label_set_justify (GTK_LABEL (label2), GTK_JUSTIFY_LEFT);
894         gtk_misc_set_alignment (GTK_MISC (label2), 0, 0.5);
895
896         label3 = gtk_label_new (_("URL:"));
897         gtk_widget_show (label3);
898         gtk_table_attach (GTK_TABLE (table1), label3, 0, 1, 2, 3,
899                         (GtkAttachOptions) (GTK_FILL),
900                         (GtkAttachOptions) (0), 8, 2);
901         gtk_misc_set_alignment (GTK_MISC (label3), 0, 0.5);
902
903         label_name = gtk_label_new ("");
904         gtk_widget_show (label_name);
905         gtk_table_attach (GTK_TABLE (table1), label_name, 1, 2, 0, 1,
906                         (GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
907                         (GtkAttachOptions) (0), 0, 0);
908         gtk_misc_set_alignment (GTK_MISC (label_name), 0, 0.5);
909
910         label_author = gtk_label_new ("");
911         gtk_widget_show (label_author);
912         gtk_table_attach (GTK_TABLE (table1), label_author, 1, 2, 1, 2,
913                         (GtkAttachOptions) (GTK_FILL),
914                         (GtkAttachOptions) (0), 0, 0);
915         gtk_misc_set_alignment (GTK_MISC (label_author), 0, 0.5);
916
917         label_url = gtk_label_new ("");
918         gtk_widget_show (label_url);
919         gtk_table_attach (GTK_TABLE (table1), label_url, 1, 2, 2, 3,
920                         (GtkAttachOptions) (GTK_FILL),
921                         (GtkAttachOptions) (0), 0, 0);
922         gtk_misc_set_alignment (GTK_MISC (label_url), 0, 0.5);
923
924         label4 = gtk_label_new (_("Status:"));
925         gtk_widget_show (label4);
926         gtk_table_attach (GTK_TABLE (table1), label4, 0, 1, 3, 4,
927                         (GtkAttachOptions) (GTK_FILL),
928                         (GtkAttachOptions) (0), 8, 2);
929         gtk_misc_set_alignment (GTK_MISC (label4), 0, 0.5);
930
931         label_status = gtk_label_new ("");
932         gtk_widget_show (label_status);
933         gtk_table_attach (GTK_TABLE (table1), label_status, 1, 2, 3, 4,
934                         (GtkAttachOptions) (GTK_FILL),
935                         (GtkAttachOptions) (0), 0, 0);
936         gtk_misc_set_alignment (GTK_MISC (label_status), 0, 0.5);
937
938         PACK_FRAME(vbox1, frame_preview, _("Preview"));
939
940         hbox1 = gtk_hbox_new (FALSE, 0);
941         gtk_widget_show (hbox1);
942         gtk_container_add (GTK_CONTAINER (frame_preview), hbox1);
943
944         icon_1 = create_pixmap (vbox1, NULL);
945         gtk_widget_show (icon_1);
946         gtk_box_pack_start (GTK_BOX (hbox1), icon_1, TRUE, TRUE, 2);
947         gtk_misc_set_padding (GTK_MISC (icon_1), 0, 5);
948
949         icon_2 = create_pixmap (vbox1, NULL);
950         gtk_widget_show (icon_2);
951         gtk_box_pack_start (GTK_BOX (hbox1), icon_2, TRUE, TRUE, 2);
952         gtk_misc_set_padding (GTK_MISC (icon_2), 0, 5);
953
954         icon_3 = create_pixmap (vbox1, NULL);
955         gtk_widget_show (icon_3);
956         gtk_box_pack_start (GTK_BOX (hbox1), icon_3, TRUE, TRUE, 2);
957         gtk_misc_set_padding (GTK_MISC (icon_3), 0, 5);
958
959         icon_4 = create_pixmap (vbox1, NULL);
960         gtk_widget_show (icon_4);
961         gtk_box_pack_start (GTK_BOX (hbox1), icon_4, TRUE, TRUE, 2);
962         gtk_misc_set_padding (GTK_MISC (icon_4), 0, 5);
963
964         icon_5 = create_pixmap (vbox1, NULL);
965         gtk_widget_show (icon_5);
966         gtk_box_pack_start (GTK_BOX (hbox1), icon_5, TRUE, TRUE, 2);
967         gtk_misc_set_padding (GTK_MISC (icon_5), 0, 5);
968
969         icon_6 = create_pixmap (vbox1, NULL);
970         gtk_widget_show (icon_6);
971         gtk_box_pack_start (GTK_BOX (hbox1), icon_6, TRUE, TRUE, 0);
972         gtk_misc_set_padding (GTK_MISC (icon_6), 0, 5);
973
974         icon_7 = create_pixmap (vbox1, NULL);
975         gtk_widget_show (icon_7);
976         gtk_box_pack_start (GTK_BOX (hbox1), icon_7, TRUE, TRUE, 0);
977         gtk_misc_set_padding (GTK_MISC (icon_7), 0, 5);
978
979         PACK_FRAME(vbox1, frame_buttons, _("Actions"));
980
981         hbuttonbox1 = gtk_hbutton_box_new ();
982         gtk_widget_show (hbuttonbox1);
983         gtk_container_add (GTK_CONTAINER (frame_buttons), hbuttonbox1);
984         gtk_container_set_border_width (GTK_CONTAINER (hbuttonbox1), 5);
985         gtk_button_box_set_layout (GTK_BUTTON_BOX (hbuttonbox1), GTK_BUTTONBOX_START);
986         gtk_button_box_set_spacing (GTK_BUTTON_BOX (hbuttonbox1), 5);
987         gtk_button_box_set_child_ipadding (GTK_BUTTON_BOX (hbuttonbox1), 5, 0);
988
989         btn_use = gtk_button_new_with_label (_("Use this"));
990         gtk_widget_show (btn_use);
991         gtk_container_add (GTK_CONTAINER (hbuttonbox1), btn_use);
992         GTK_WIDGET_SET_FLAGS (btn_use, GTK_CAN_DEFAULT);
993
994         btn_remove = gtk_button_new_with_label (_("Remove"));
995         gtk_widget_show (btn_remove);
996         gtk_container_add (GTK_CONTAINER (hbuttonbox1), btn_remove);
997         GTK_WIDGET_SET_FLAGS (btn_remove, GTK_CAN_DEFAULT);
998
999         g_signal_connect(G_OBJECT(btn_use), "clicked",
1000                          G_CALLBACK(prefs_themes_btn_use_clicked_cb),
1001                          NULL);
1002         g_signal_connect(G_OBJECT(btn_remove), "clicked",
1003                          G_CALLBACK(prefs_themes_btn_remove_clicked_cb),
1004                          NULL);
1005         g_signal_connect(G_OBJECT(btn_install), "clicked",
1006                          G_CALLBACK(prefs_themes_btn_install_clicked_cb),
1007                          NULL);
1008         g_signal_connect(G_OBJECT(btn_more), "clicked",
1009                          G_CALLBACK(prefs_themes_btn_more_clicked_cb),
1010                          NULL);
1011
1012         gtk_widget_grab_default (btn_use);
1013
1014         prefs_themes->window = GTK_WIDGET(window);
1015         
1016         prefs_themes->name   = label_name;
1017         prefs_themes->author = label_author;
1018         prefs_themes->url    = label_url;
1019         prefs_themes->status = label_status;
1020         prefs_themes->global = label_global_status;
1021
1022         prefs_themes->icons[0] = icon_1;
1023         prefs_themes->icons[1] = icon_2;
1024         prefs_themes->icons[2] = icon_3;
1025         prefs_themes->icons[3] = icon_4;
1026         prefs_themes->icons[4] = icon_5;
1027         prefs_themes->icons[5] = icon_6;
1028         prefs_themes->icons[6] = icon_7;
1029         
1030         prefs_themes->btn_use     = btn_use;
1031         prefs_themes->btn_remove  = btn_remove;
1032         prefs_themes->btn_install = btn_install;
1033         prefs_themes->btn_more    = btn_more;
1034
1035         prefs_themes->op_menu     = menu_themes;
1036
1037         prefs_themes->page.widget = vbox1;
1038
1039         prefs_themes_set_themes_menu(GTK_OPTION_MENU(prefs_themes->op_menu), tdata);
1040         
1041         prefs_themes_get_theme_info(tdata);
1042         prefs_themes_display_global_stats(tdata);
1043 }
1044
1045 static void prefs_themes_destroy_widget(PrefsPage *page)
1046 {
1047         /* ThemesPage *theme = (ThemesPage *)page; */
1048 }
1049
1050 static void prefs_themes_save(PrefsPage *page)
1051 {
1052         /* ThemesPage *theme = (ThemesPage *)page; */
1053 }
1054