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 != g_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 = g_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