src/prefs_themes.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 2003-2015 Hiroyuki Yamamoto & the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifdef HAVE_CONFIG_H
  20 #  include <config.h>
  21 #endif
  22
  23 #include "defs.h"
  24
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include <sys/stat.h>
  29 #ifdef HAVE_SVG
  30 #include <math.h>
  31 #endif
  32
  33 #include <glib.h>
  34 #include <glib/gi18n.h>
  35 #include <gtk/gtk.h>
  36
  37 #include "utils.h"
  38 #include "codeconv.h"
  39 #include "prefs_common.h"
  40 #include "prefs_gtk.h"
  41
  42 #include "gtk/gtkutils.h"
  43 #include "gtk/prefswindow.h"
  44 #include "gtk/filesel.h"
  45
  46 #include "stock_pixmap.h"
  47 #include "mainwindow.h"
  48 #include "compose.h"
  49 #include "alertpanel.h"
  50 #include "addr_compl.h"
  51
  52 #define IS_CURRENT_THEME(path)  (strcmp(prefs_common.pixmap_theme_path, path) == 0)
  53 #define IS_INTERNAL_THEME(path) (strcmp(DEFAULT_PIXMAP_THEME, path) == 0)
  54 #define IS_SYSTEM_THEME(path)   (prefs_themes_is_system_theme(path))
  55
  56 #define PREVIEW_ICONS 7
  57
  58 typedef struct _ThemesPage
  59 {
  60         PrefsPage page;
  61
  62         GtkWidget *window;              /* do not modify */
  63
  64         GtkWidget *op_menu;
  65         GtkWidget *btn_install;
  66         GtkWidget *btn_more;
  67         GtkWidget *global;
  68
  69         GtkWidget *name;
  70         GtkWidget *author;
  71         GtkWidget *url;
  72         GtkWidget *status;
  73
  74         GtkWidget *icons[PREVIEW_ICONS];
  75
  76         GtkWidget *btn_remove;
  77
  78         GdkPixbuf *pixbufs[PREVIEW_ICONS];
  79
  80 #ifdef HAVE_SVG
  81         GtkWidget *checkbtn_enable_alpha;
  82         GtkWidget *checkbtn_enable_scaling;
  83         GtkWidget *checkbtn_scaling_auto;
  84         GtkWidget *label_scaling_ppi;
  85         GtkWidget *spinbtn_scaling_ppi;
  86 #endif
  87 } ThemesPage;
  88
  89 typedef struct _ThemeInfo
  90 {
  91         gchar *name;
  92         gchar *author;
  93         gchar *url;
  94         gchar *status;
  95 } ThemeInfo;
  96
  97 typedef struct _ThemeName
  98 {
  99         gchar *name;
 100         GList *item;
 101 } ThemeName;
 102
 103 typedef struct _ThemesData
 104 {
 105         GList      *themes;
 106         GList      *names;
 107         gchar      *displayed;
 108         ThemesPage *page;
 109 } ThemesData;
 110
 111 typedef void (*FileFunc) (const gchar *filename, gpointer data);
 112
 113 typedef struct _DirInfo {
 114         gint bytes;
 115         gint files;
 116         gint pixms;
 117         /* extensions info */
 118         const char **supported;
 119         gint *length;
 120 } DirInfo;
 121
 122 typedef struct _CopyInfo {
 123         gchar *dest;
 124         gchar *status;
 125 } CopyInfo;
 126
 127 static ThemesData *prefs_themes_data;
 128
 129 StockPixmap prefs_themes_icons[PREVIEW_ICONS] = {
 130         STOCK_PIXMAP_DIR_CLOSE,
 131         STOCK_PIXMAP_MAIL_SEND,
 132         STOCK_PIXMAP_MAIL_RECEIVE,
 133         STOCK_PIXMAP_MAIL_ATTACH,
 134         STOCK_PIXMAP_BOOK,
 135         STOCK_PIXMAP_MIME_TEXT_PLAIN,
 136         STOCK_PIXMAP_REPLIED
 137 };
 138
 139
 140
 141 static void prefs_themes_btn_remove_clicked_cb  (GtkWidget *widget, gpointer data);
 142 static void prefs_themes_btn_install_clicked_cb (GtkWidget *widget, gpointer data);
 143 static void prefs_themes_menu_item_activated_cb (GtkWidget *widget, gpointer data);
 144 #ifdef HAVE_SVG
 145 static gdouble prefs_themes_compute_ppi(GdkScreen *screen);
 146 static gdouble prefs_themes_get_adjusted_ppi(void);
 147 static void prefs_themes_checkbtn_enable_scaling_toggled_cb (GtkWidget *widget, gpointer data);
 148 static void prefs_themes_checkbtn_scaling_auto_toggled_cb (GtkWidget *widget, gpointer data);
 149 #endif
 150
 151 static void prefs_themes_update_buttons         (const ThemesData *tdata);
 152 static void prefs_themes_display_global_stats   (const ThemesData *tdata);
 153 static void prefs_themes_get_theme_info         (ThemesData *tdata);
 154 static void prefs_themes_display_theme_info     (ThemesData *tdata, const ThemeInfo *info);
 155 static void prefs_themes_get_themes_and_names   (ThemesData *tdata);
 156 static int prefs_themes_cmp_name(gconstpointer a, gconstpointer b);
 157 static void prefs_themes_free_names             (ThemesData *tdata);
 158
 159 static void prefs_themes_set_themes_menu        (GtkComboBox *combo, const ThemesData *tdata);
 160
 161 static gchar *prefs_themes_get_theme_stats      (const gchar *dirname);
 162 static gboolean prefs_themes_is_system_theme    (const gchar *dirname);
 163
 164 static void prefs_themes_create_widget          (PrefsPage *page, GtkWindow *window, gpointer data);
 165 static void prefs_themes_destroy_widget         (PrefsPage *page);
 166 static void prefs_themes_save                   (PrefsPage *page);
 167
 168 static void prefs_themes_foreach_file           (const gchar *dirname, const FileFunc func, gpointer data);
 169 static void prefs_themes_file_stats             (const gchar *filename, gpointer data);
 170 static void prefs_themes_file_remove            (const gchar *filename, gpointer data);
 171 static void prefs_themes_file_install           (const gchar *filename, gpointer data);
 172
 173
 174
 175 static void prefs_themes_file_stats(const gchar *filename, gpointer data)
 176 {
 177 #ifdef G_OS_WIN32
 178         GFile *f;
 179         GFileInfo *fi;
 180         GError *error = NULL;
 181 #else
 182         GStatBuf s;
 183 #endif
 184         goffset size;
 185         DirInfo *di = (DirInfo *)data;
 186         gint len;
 187         gint i;
 188
 189 #ifdef G_OS_WIN32
 190         f = g_file_new_for_path(filename);
 191         fi = g_file_query_info(f, "standard::size,standard::type",
 192                         G_FILE_QUERY_INFO_NONE, NULL, &error);
 193         if (error != NULL) {
 194                 g_warning(error->message);
 195                 g_error_free(error);
 196                 g_object_unref(f);
 197                 return;
 198         }
 199         if (g_file_info_get_file_type(fi) != G_FILE_TYPE_REGULAR) {
 200                 g_object_unref(fi);
 201                 g_object_unref(f);
 202                 return;
 203         }
 204         size = g_file_info_get_size(fi);
 205         g_object_unref(fi);
 206         g_object_unref(f);
 207 #else
 208         if ((i = g_stat(filename, &s)) != 0) {
 209                 debug_print("g_stat on '%s' failed: %d\n", filename, i);
 210                 return;
 211         }
 212         if (!S_ISREG(s.st_mode)) {
 213                 return;
 214         }
 215         size = s.st_size;
 216 #endif
 217
 218         di->bytes += size;
 219         di->files++;
 220         len = strlen(filename);
 221         for (i = 0; (di->supported)[i] != NULL; ++i) {
 222                 gint curlen = (di->length)[i];
 223                 if (len <= curlen)
 224                         continue;
 225                 const gchar *extension = filename + (len - curlen);
 226                 if (!strcmp(extension, (di->supported)[i])) {
 227                         di->pixms++;
 228                         break;
 229                 }
 230         }
 231 }
 232
 233 static void prefs_themes_file_remove(const gchar *filename, gpointer data)
 234 {
 235         gchar **status = (gchar **)data;
 236         gchar *base;
 237
 238         if ((*status) != NULL)
 239                 return;
 240
 241         base = g_path_get_basename(filename);
 242         if (TRUE == is_dir_exist(filename)) {
 243                 if (strcmp(base, ".") != 0 && strcmp(base, "..") != 0)
 244                         g_warning("prefs_themes_file_remove(): subdir in theme dir skipped: '%s'.",
 245                                                 base);
 246         }
 247         else if (0 != claws_unlink(filename)) {
 248                 (*status) = g_strdup(filename);
 249         }
 250         g_free(base);
 251 }
 252
 253 static void prefs_themes_file_install(const gchar *filename, gpointer data)
 254 {
 255         CopyInfo *ci = (CopyInfo *)data;
 256         gchar *base;
 257
 258         if (ci->status != NULL)
 259                 return;
 260
 261         base = g_path_get_basename(filename);
 262         if (TRUE == is_dir_exist(filename)) {
 263                 if (strcmp(base, ".") != 0 && strcmp(base, "..") !=0 )
 264                         g_warning("prefs_themes_file_install(): subdir in theme dir skipped: '%s'.",
 265                                                 base);
 266         }
 267         else {
 268                 gchar *fulldest;
 269
 270                 fulldest = g_strconcat(ci->dest, G_DIR_SEPARATOR_S, base, NULL);
 271
 272                 if (0 != copy_file(filename, fulldest, FALSE)) {
 273                         ci->status = g_strdup(filename);
 274                 }
 275                 g_free(fulldest);
 276         }
 277         g_free(base);
 278 }
 279
 280 static void prefs_themes_foreach_file(const gchar *dirname, const FileFunc func, gpointer data)
 281 {
 282         const gchar *entry;
 283         gchar *fullentry;
 284         GDir *dp;
 285         GError *error = NULL;
 286
 287         cm_return_if_fail(dirname != NULL);
 288         cm_return_if_fail(func != NULL);
 289
 290         if ((dp = g_dir_open(dirname, 0, &error)) == NULL) {
 291                 debug_print("couldn't open dir '%s': %s (%d)\n", dirname,
 292                                 error->message, error->code);
 293                 g_error_free(error);
 294                 return;
 295         }
 296
 297         while ((entry = g_dir_read_name(dp)) != NULL) {
 298
 299                 fullentry = g_strconcat(dirname, G_DIR_SEPARATOR_S, entry, NULL);
 300
 301                 (*func)(fullentry, data);
 302
 303                 g_free(fullentry);
 304         }
 305         g_dir_close(dp);
 306 }
 307
 308 static gboolean prefs_themes_is_system_theme(const gchar *dirname)
 309 {
 310         gint len;
 311         gchar *system_theme_dir;
 312         gboolean is_sys = FALSE;
 313
 314         cm_return_val_if_fail(dirname != NULL, FALSE);
 315
 316         system_theme_dir = stock_pixmap_get_system_theme_dir_for_theme(NULL);
 317         len = strlen(system_theme_dir);
 318         if (strlen(dirname) > len && 0 == strncmp(dirname, system_theme_dir, len))
 319                 is_sys = TRUE;
 320
 321         g_free(system_theme_dir);
 322
 323         return is_sys;
 324 }
 325
 326 static void prefs_themes_set_themes_menu(GtkComboBox *combo, const ThemesData *tdata)
 327 {
 328         GtkListStore *store;
 329         GtkTreeIter iter;
 330         GList     *themes = tdata->names;
 331         gint       i = 0, active = 0;
 332         GList     *sorted_list = NULL;
 333
 334         cm_return_if_fail(combo != NULL);
 335
 336         /* sort theme data list by data name */
 337         while (themes != NULL) {
 338                 ThemeName *tname = (ThemeName *)(themes->data);
 339
 340                 sorted_list = g_list_insert_sorted(sorted_list, (gpointer)(tname),
 341                                                    (GCompareFunc)prefs_themes_cmp_name);
 342
 343                 themes = g_list_next(themes);
 344         }
 345
 346         store = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_POINTER);
 347
 348         /* feed gtk_menu w/ sorted themes names */
 349         themes = sorted_list;
 350         while (themes != NULL) {
 351                 ThemeName *tname = (ThemeName *)(themes->data);
 352                 gchar     *tpath = (gchar *)(tname->item->data);
 353
 354                 gtk_list_store_append(store, &iter);
 355                 gtk_list_store_set(store, &iter,
 356                                    0, tname->name,
 357                                    1, tname->item->data, -1);
 358
 359                 if (tdata->displayed != NULL && !strcmp2(tdata->displayed,tpath))
 360                         active = i;
 361                 ++i;
 362
 363                 themes = g_list_next(themes);
 364         }
 365
 366         g_list_free(sorted_list);
 367
 368         g_signal_connect(G_OBJECT(combo), "changed",
 369                          G_CALLBACK(prefs_themes_menu_item_activated_cb),
 370                          NULL);
 371
 372         gtk_combo_box_set_model(combo, GTK_TREE_MODEL(store));
 373         gtk_combo_box_set_active(combo, active);
 374 }
 375
 376 static int prefs_themes_cmp_name(gconstpointer a_p, gconstpointer b_p)
 377 {
 378         /* compare two ThemeData structures by their name attribute */
 379         return strcmp2((gchar *)(((ThemeName*)a_p)->name),
 380                                         (gchar *)(((ThemeName*)b_p)->name));
 381 }
 382
 383 static void prefs_themes_get_themes_and_names(ThemesData *tdata)
 384 {
 385         GList *tpaths;
 386
 387         cm_return_if_fail(tdata != NULL);
 388
 389         stock_pixmap_themes_list_free(tdata->themes);
 390         prefs_themes_free_names(tdata);
 391
 392         tdata->themes = stock_pixmap_themes_list_new();
 393
 394         tpaths = tdata->themes;
 395         while (tpaths != NULL) {
 396                 ThemeName *name = g_new0(ThemeName, 1);
 397                 gchar *sname = g_path_get_basename((const gchar *)(tpaths->data));
 398
 399                 if (IS_INTERNAL_THEME(sname))
 400                         name->name = g_strdup(_("Default internal theme"));
 401                 else
 402                         name->name = g_strdup(sname);
 403                 name->item = tpaths;
 404
 405                 tdata->names = g_list_append(tdata->names, name);
 406                 if (!strcmp2(tpaths->data, prefs_common.pixmap_theme_path)) {
 407                         tdata->displayed = (gchar *)tpaths->data;
 408                 }
 409                 tpaths = g_list_next(tpaths);
 410                 g_free(sname);
 411         }
 412 }
 413
 414 void prefs_themes_init(void)
 415 {
 416         ThemesData   *tdata;
 417         ThemesPage   *page;
 418         GList        *tpaths;
 419         static gchar *path[3];
 420
 421         path[0] = _("Display");
 422         path[1] = _("Themes");
 423         path[2] = NULL;
 424
 425         debug_print("Creating preferences for themes...\n");
 426
 427         tdata = g_new0(ThemesData, 1);
 428         prefs_themes_data = tdata;
 429
 430         prefs_themes_get_themes_and_names(tdata);
 431
 432         page = g_new0(ThemesPage, 1);
 433
 434         page->page.path = path;
 435         page->page.create_widget = prefs_themes_create_widget;
 436         page->page.destroy_widget = prefs_themes_destroy_widget;
 437         page->page.save_page = prefs_themes_save;
 438         page->page.weight = 130.0;
 439         prefs_gtk_register_page((PrefsPage *) page);
 440
 441         tdata->page = page;
 442
 443         tpaths = g_list_first(tdata->themes);
 444         if (tdata->displayed == NULL)
 445                 tdata->displayed = (gchar *)(tpaths->data);
 446 #ifdef HAVE_SVG
 447         if (prefs_common.pixmap_scaling_auto)
 448                 prefs_common.pixmap_scaling_ppi = prefs_themes_get_adjusted_ppi();
 449 #endif
 450 }
 451
 452 static void prefs_themes_free_names(ThemesData *tdata)
 453 {
 454         GList *names;
 455
 456         cm_return_if_fail(tdata != NULL);
 457
 458         if (tdata->names == NULL)
 459                 return;
 460
 461         names = tdata->names;
 462         while (names != NULL) {
 463                 ThemeName *tn = (ThemeName *)(names->data);
 464
 465                 tn->item = NULL;
 466                 g_free(tn->name);
 467                 g_free(tn);
 468
 469                 names = g_list_next(names);
 470         }
 471         g_list_free(tdata->names);
 472         tdata->names = NULL;
 473 }
 474
 475 void prefs_themes_done(void)
 476 {
 477         ThemesData *tdata = prefs_themes_data;
 478
 479         debug_print("Finished preferences for themes.\n");
 480
 481         stock_pixmap_themes_list_free(tdata->themes);
 482         prefs_themes_free_names(tdata);
 483         g_free(tdata->page);
 484         g_free(tdata);
 485 }
 486
 487 static void prefs_themes_btn_remove_clicked_cb(GtkWidget *widget, gpointer data)
 488 {
 489         ThemesData *tdata = prefs_themes_data;
 490         gchar      *theme_str;
 491         gchar      *alert_title = NULL;
 492         AlertValue  val = 0;
 493         gchar      *tmp = NULL;
 494
 495         theme_str = tdata->displayed;
 496
 497         tmp = g_path_get_basename(theme_str);
 498
 499         if (IS_SYSTEM_THEME(theme_str)) {
 500                 if (!superuser_p()) {
 501                         alertpanel_error(_("Only root can remove system themes"));
 502                         return;
 503                 }
 504                 alert_title = g_strdup_printf(_("Remove system theme '%s'"), tmp);
 505         }
 506         if (NULL == alert_title) {
 507                 alert_title = g_strdup_printf(_("Remove theme '%s'"), tmp);
 508         }
 509
 510         g_free(tmp);
 511
 512         val = alertpanel(alert_title,
 513                          _("Are you sure you want to remove this theme?"),
 514                          GTK_STOCK_NO, GTK_STOCK_YES, NULL, ALERTFOCUS_FIRST);
 515         g_free(alert_title);
 516
 517         if (G_ALERTALTERNATE == val) {
 518                 gchar *status = NULL;
 519
 520                 prefs_themes_foreach_file(theme_str, prefs_themes_file_remove, &status);
 521                 if (0 != rmdir(theme_str)) {
 522                         if (status != NULL) {
 523                                 alertpanel_error(_("File %s failed\nwhile removing theme."), status);
 524                                 g_free(status);
 525                         }
 526                         else
 527                                 alertpanel_error(_("Removing theme directory failed."));
 528                 }
 529                 else {
 530                         alertpanel_notice(_("Theme removed successfully"));
 531                         /* update interface back to first theme */
 532                         prefs_themes_get_themes_and_names(tdata);
 533                         prefs_themes_set_themes_menu(GTK_COMBO_BOX(tdata->page->op_menu), tdata);
 534                         prefs_themes_display_global_stats(tdata);
 535                         tdata->displayed = (gchar *)((g_list_first(tdata->themes))->data);
 536                         prefs_themes_get_theme_info(tdata);
 537                 }
 538         }
 539 }
 540
 541 static void prefs_themes_btn_install_clicked_cb(GtkWidget *widget, gpointer data)
 542 {
 543         gchar      *filename, *source;
 544         gchar      *themeinfo, *themename;
 545         gchar      *alert_title = NULL;
 546         CopyInfo   *cinfo;
 547         AlertValue  val = 0;
 548         ThemesData *tdata = prefs_themes_data;
 549
 550         filename = filesel_select_file_open_folder(_("Select theme folder"), NULL);
 551         if (filename == NULL)
 552                 return;
 553
 554         if (filename[strlen(filename) - 1] != G_DIR_SEPARATOR)
 555                 filename = g_strconcat(filename, G_DIR_SEPARATOR_S, NULL);
 556         else
 557                 filename = g_strdup(filename);
 558
 559         cinfo = g_new0(CopyInfo, 1);
 560         source = g_path_get_dirname(filename);
 561         themename = g_path_get_basename(source);
 562         debug_print("Installing '%s' theme from %s\n", themename, filename);
 563
 564         themeinfo = g_strconcat(source, G_DIR_SEPARATOR_S, THEMEINFO_FILE, NULL);
 565         alert_title = g_strdup_printf(_("Install theme '%s'"), themename);
 566         if (file_exist(themeinfo, FALSE) == FALSE) {
 567                 val = alertpanel(alert_title,
 568                                  _("This folder doesn't seem to be a theme folder.\nInstall anyway?"),
 569                                  GTK_STOCK_NO, GTK_STOCK_YES, NULL, ALERTFOCUS_FIRST);
 570                 if (G_ALERTALTERNATE != val)
 571                         goto end_inst;
 572         }
 573         if (superuser_p ()) {
 574                 val = alertpanel(alert_title,
 575                                  _("Do you want to install theme for all users?"),
 576                                  GTK_STOCK_NO, GTK_STOCK_YES, NULL, ALERTFOCUS_FIRST);
 577                 switch (val) {
 578                 case G_ALERTALTERNATE:
 579                         cinfo->dest = stock_pixmap_get_system_theme_dir_for_theme(
 580                                                 themename);
 581                         break;
 582                 case G_ALERTDEFAULT:
 583                         break;
 584                 default:
 585                         goto end_inst;
 586                 }
 587         }
 588         g_free(alert_title);
 589         if (cinfo->dest == NULL) {
 590                 cinfo->dest = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 591                                           PIXMAP_THEME_DIR, G_DIR_SEPARATOR_S,
 592                                           themename, NULL);
 593         }
 594         if (TRUE == is_dir_exist(cinfo->dest)) {
 595                 AlertValue val = alertpanel_full(_("Theme exists"),
 596                                 _("A theme with the same name is\nalready installed in this location.\n\n"
 597                                   "Do you want to replace it?"),
 598                                 GTK_STOCK_CANCEL, _("Overwrite"), NULL, ALERTFOCUS_FIRST,
 599                                 FALSE, NULL, ALERT_WARNING);
 600                 if (val == G_ALERTALTERNATE) {
 601                         if (remove_dir_recursive(cinfo->dest) < 0) {
 602                                 alertpanel_error(_("Couldn't delete the old theme in %s."), cinfo->dest);
 603                                 goto end_inst;
 604                         }
 605                 } else {
 606                         goto end_inst;
 607                 }
 608         }
 609         if (0 != make_dir_hier(cinfo->dest)) {
 610                 alertpanel_error(_("Couldn't create destination directory %s."), cinfo->dest);
 611                 goto end_inst;
 612         }
 613         prefs_themes_foreach_file(source, prefs_themes_file_install, cinfo);
 614         if (cinfo->status == NULL) {
 615                 GList *insted;
 616
 617                 /* update interface to show newly installed theme */
 618                 prefs_themes_get_themes_and_names(tdata);
 619                 insted = g_list_find_custom(tdata->themes,
 620                                             (gpointer)(cinfo->dest),
 621                                             (GCompareFunc)strcmp2);
 622                 if (NULL != insted) {
 623                         alertpanel_notice(_("Theme installed successfully."));
 624                         tdata->displayed = (gchar *)(insted->data);
 625                         prefs_themes_set_themes_menu(GTK_COMBO_BOX(tdata->page->op_menu), tdata);
 626                         prefs_themes_display_global_stats(tdata);
 627                         prefs_themes_get_theme_info(tdata);
 628                 }
 629                 else
 630                         alertpanel_error(_("Failed installing theme"));
 631         }
 632         else
 633                 alertpanel_error(_("File %s failed\nwhile installing theme."), cinfo->status);
 634 end_inst:
 635         g_free(cinfo->dest);
 636         g_free(filename);
 637         g_free(source);
 638         g_free(themeinfo);
 639         g_free(cinfo);
 640         g_free(themename);
 641 }
 642
 643 static void prefs_themes_menu_item_activated_cb(GtkWidget *widget, gpointer data)
 644 {
 645         ThemesData *tdata = prefs_themes_data;
 646         gchar      *path;
 647         GtkTreeModel *model;
 648         GtkTreeIter iter;
 649
 650         cm_return_if_fail(gtk_combo_box_get_active_iter(GTK_COMBO_BOX(widget), &iter));
 651
 652         model = gtk_combo_box_get_model(GTK_COMBO_BOX(widget));
 653         gtk_tree_model_get(model, &iter, 1, &path, -1);
 654
 655         tdata->displayed = path;
 656         prefs_themes_get_theme_info(tdata);
 657 }
 658
 659 #ifdef HAVE_SVG
 660 #define MM_INCH 0.0393700787402
 661 static gdouble prefs_themes_compute_ppi(GdkScreen *screen)
 662 {
 663         gdouble wp = gdk_screen_get_width(screen);
 664         gdouble hp = gdk_screen_get_height(screen);
 665         gdouble wi = gdk_screen_get_width_mm(screen);
 666         gdouble hi = gdk_screen_get_height_mm(screen);
 667         gdouble dp, di;
 668
 669         debug_print("screen is %f x %f pixels, %f x %f mm\n", wp, hp, wi, hi);
 670
 671         /* https://en.wikipedia.org/wiki/Pixel_density */
 672         wi *= MM_INCH;
 673         hi *= MM_INCH;
 674         dp = sqrt(wp * wp + hp * hp);
 675         di = sqrt(wi * wi + hi * hi);
 676
 677         return (di != 0.0)? dp / di: 0.0;
 678 }
 679
 680 static gdouble prefs_themes_get_adjusted_ppi(void)
 681 {
 682         gdouble ppi, cppi;
 683         GdkScreen * screen = gdk_screen_get_default();
 684
 685         if (screen == NULL) { /* oops! */
 686                 g_warning("unable to get default GDK screen");
 687                 return MIN_PPI;
 688         }
 689
 690         ppi = gdk_screen_get_resolution(screen);
 691         cppi = prefs_themes_compute_ppi(screen);
 692         debug_print("returned PPI: %f / computed PPI: %f\n", ppi, cppi);
 693         /*
 694          gdk_screen_get_resolution doesn't seem to work well when running
 695          on a remote display and returns the value of the local display.
 696          height/width functions do this better, so we can compute a PPI
 697          from them and take the highest value.
 698         */
 699         return MAX(ppi, cppi);
 700 }
 701
 702 static void prefs_themes_checkbtn_enable_scaling_toggled_cb (GtkWidget *widget, gpointer data)
 703 {
 704         ThemesPage *page = (ThemesPage *) data;
 705         gboolean enabled = gtk_toggle_button_get_active(
 706                                 GTK_TOGGLE_BUTTON (widget));
 707         gboolean automatic = gtk_toggle_button_get_active(
 708                                 GTK_TOGGLE_BUTTON (page->checkbtn_scaling_auto));
 709
 710         gtk_widget_set_sensitive(page->checkbtn_scaling_auto, enabled);
 711         gtk_widget_set_sensitive(page->spinbtn_scaling_ppi, enabled && !automatic);
 712         gtk_widget_set_sensitive(page->label_scaling_ppi, enabled && !automatic);
 713 }
 714
 715 static void prefs_themes_checkbtn_scaling_auto_toggled_cb(GtkWidget *widget, gpointer data)
 716 {
 717         ThemesPage *page = (ThemesPage *) data;
 718         gboolean automatic = gtk_toggle_button_get_active(
 719                                 GTK_TOGGLE_BUTTON (widget));
 720
 721         gtk_widget_set_sensitive(page->spinbtn_scaling_ppi, !automatic);
 722         gtk_widget_set_sensitive(page->label_scaling_ppi, !automatic);
 723
 724         if (automatic) /* update PPI value */
 725                 gtk_spin_button_set_value(
 726                                 GTK_SPIN_BUTTON (page->spinbtn_scaling_ppi),
 727                                 prefs_themes_get_adjusted_ppi());
 728 }
 729 #endif
 730
 731 static void prefs_themes_update_buttons(const ThemesData *tdata)
 732 {
 733         ThemesPage *theme = tdata->page;
 734         gboolean    can_rem, can_use;
 735
 736         can_use = !IS_CURRENT_THEME(tdata->displayed);
 737         can_rem = can_use && !IS_INTERNAL_THEME(tdata->displayed);
 738
 739         if (theme->btn_remove != NULL)
 740                 gtk_widget_set_sensitive(theme->btn_remove, can_rem);
 741 }
 742
 743 /* placeholders may already be utf8 (i18n) */
 744 #define SET_LABEL_TEXT_UTF8(label, text)                                \
 745 {                                                                       \
 746         gchar *tmpstr;                                                  \
 747                                                                         \
 748         if (!g_utf8_validate(text, -1, NULL))                           \
 749                 tmpstr = conv_codeset_strdup(text,                      \
 750                         conv_get_locale_charset_str(),  CS_UTF_8);      \
 751         else                                                            \
 752                 tmpstr = g_strdup(text);                                \
 753                                                                         \
 754         gtk_label_set_text(GTK_LABEL(label), tmpstr);                   \
 755         gtk_label_set_selectable(GTK_LABEL(label), TRUE);               \
 756         g_free(tmpstr);                                                 \
 757 }
 758 static void prefs_themes_display_theme_info(ThemesData *tdata, const ThemeInfo *info)
 759 {
 760         ThemesPage *theme = tdata->page;
 761         gchar *save_prefs_path;
 762         gint   i;
 763
 764         SET_LABEL_TEXT_UTF8(theme->name,        info->name);
 765         SET_LABEL_TEXT_UTF8(theme->author,      info->author);
 766         SET_LABEL_TEXT_UTF8(theme->url,         info->url);
 767         SET_LABEL_TEXT_UTF8(theme->status,      info->status);
 768
 769         save_prefs_path = prefs_common.pixmap_theme_path;
 770         prefs_common.pixmap_theme_path = tdata->displayed;
 771         for (i = 0; i < PREVIEW_ICONS; ++i) {
 772                 stock_pixbuf_gdk(prefs_themes_icons[i], &(theme->pixbufs[i]));
 773                 gtk_image_set_from_pixbuf(GTK_IMAGE(theme->icons[i]),
 774                                 theme->pixbufs[i]);
 775         }
 776         prefs_common.pixmap_theme_path = save_prefs_path;
 777
 778         prefs_themes_update_buttons(tdata);
 779 }
 780 #undef SET_LABEL_TEXT_UTF8
 781
 782 static void prefs_themes_display_global_stats(const ThemesData *tdata)
 783 {
 784         ThemesPage *theme = tdata->page;
 785         GList      *tnames = tdata->names;
 786         gchar      *gstats;
 787         gint        sys = 0;
 788         gint        usr = 0;
 789         gint        all = 0;
 790
 791         while (tnames != NULL) {
 792                 ThemeName *tname = (ThemeName *)(tnames->data);
 793                 gchar     *tpath = (gchar *)(tname->item->data);
 794
 795                 if (IS_SYSTEM_THEME(tpath))
 796                         ++sys;
 797                 else if (!IS_INTERNAL_THEME(tpath))
 798                         ++usr;
 799                 ++all;
 800                 tnames = g_list_next(tnames);
 801         }
 802
 803         gstats = g_strdup_printf(_("%d themes available (%d user, %d system, 1 internal)"),
 804                                  all, usr, sys);
 805         gtk_label_set_text(GTK_LABEL(theme->global), gstats);
 806         gtk_label_set_justify (GTK_LABEL (theme->global), GTK_JUSTIFY_LEFT);
 807         gtkut_widget_set_small_font_size (theme->global);
 808         g_free(gstats);
 809 }
 810
 811 #define INFOFILE_LINE_LEN 80
 812
 813 #define FGETS_INFOFILE_LINE() \
 814         line[0] = '\0'; \
 815         if (fgets(line, INFOFILE_LINE_LEN, finfo) != NULL && (len = strlen(line)) > 0) { \
 816                 if (line[len - 1] == '\n') line[len - 1] = '\0'; \
 817         } \
 818         else { \
 819                 g_strlcpy(line, _("Unknown"),sizeof(line)); \
 820         }
 821
 822 static void prefs_themes_get_theme_info(ThemesData *tdata)
 823 {
 824         FILE  *finfo;
 825         gchar *sinfo;
 826         gchar *path;
 827         gchar  line[INFOFILE_LINE_LEN];
 828         gint   len;
 829         ThemeInfo *info;
 830         ThemesPage *theme = tdata->page;
 831
 832         cm_return_if_fail(theme != NULL);
 833         path = tdata->displayed;
 834         cm_return_if_fail(path != NULL);
 835
 836         debug_print("Getting theme info for %s\n", path);
 837
 838         info = g_new0(ThemeInfo, 1);
 839
 840         if (IS_INTERNAL_THEME(path)) {
 841                 info->name = g_strdup(_("Default internal theme"));
 842                 info->author = g_strdup(_("The Claws Mail Team"));
 843                 info->url = g_strdup(HOMEPAGE_URI);
 844                 info->status = g_strdup_printf(_("Internal theme has %d icons"), N_STOCK_PIXMAPS);
 845         }
 846         else {
 847                 sinfo = g_strconcat(path, G_DIR_SEPARATOR_S, THEMEINFO_FILE, NULL);
 848                 finfo = g_fopen(sinfo, "r");
 849                 if (finfo == NULL) {
 850                         info->name = g_strdup(_("No info file available for this theme"));
 851                         info->author = g_strdup(_("Unknown"));
 852                         info->url = g_strdup(_("Unknown"));
 853                 }
 854                 else {
 855                         FGETS_INFOFILE_LINE()
 856                         info->name = g_strdup(line);
 857                         FGETS_INFOFILE_LINE()
 858                         info->author = g_strdup(line);
 859                         FGETS_INFOFILE_LINE()
 860                         info->url = g_strdup(line);
 861
 862                         fclose(finfo);
 863                 }
 864                 g_free(sinfo);
 865
 866                 info->status = prefs_themes_get_theme_stats(path);
 867                 if (info->status == NULL) {
 868                         info->status = g_strdup(_("Error: couldn't get theme status"));
 869                 }
 870         }
 871
 872         prefs_themes_display_theme_info(tdata, info);
 873
 874         g_free(info->name);
 875         g_free(info->author);
 876         g_free(info->url);
 877         g_free(info->status);
 878
 879         g_free(info);
 880 }
 881
 882 #undef FGETS_INFOFILE_LINE
 883
 884 static gchar *prefs_themes_get_theme_stats(const gchar *dirname)
 885 {
 886         gchar   *stats;
 887         DirInfo *dinfo;
 888         gint     i;
 889
 890         dinfo = g_new0(DirInfo, 1);
 891         dinfo->supported = stock_pixmap_theme_extensions();
 892         for (i = 0; (dinfo->supported)[i] != NULL; ++i);
 893         dinfo->length = g_malloc(i * sizeof(gint));
 894         for (i = 0; (dinfo->supported)[i] != NULL; ++i) {
 895                 (dinfo->length)[i] = strlen((dinfo->supported)[i]);
 896         }
 897         prefs_themes_foreach_file(dirname, prefs_themes_file_stats, dinfo);
 898         stats = g_strdup_printf(_("%d files (%d icons), size: %s"),
 899                                 dinfo->files, dinfo->pixms,
 900                                 to_human_readable((goffset)dinfo->bytes));
 901         g_free(dinfo->length);
 902         g_free(dinfo);
 903         return stats;
 904 }
 905
 906 static void prefs_themes_create_widget(PrefsPage *page, GtkWindow *window, gpointer data)
 907 {
 908         ThemesPage *prefs_themes = (ThemesPage *)page;
 909         ThemesData *tdata = prefs_themes_data;
 910
 911         GtkWidget *vbox1;
 912         GtkWidget *frame1;
 913         GtkWidget *vbox2;
 914         GtkWidget *hbox3;
 915         GtkWidget *menu_themes;
 916         GtkWidget *btn_install;
 917         GtkWidget *btn_more;
 918         GtkWidget *label_global_status;
 919         GtkWidget *frame_info;
 920         GtkWidget *table1;
 921         GtkWidget *label1;
 922         GtkWidget *label2;
 923         GtkWidget *label3;
 924         GtkWidget *label_name;
 925         GtkWidget *label_author;
 926         GtkWidget *label_url;
 927         GtkWidget *label4;
 928         GtkWidget *label_status;
 929         GtkWidget *frame_preview;
 930         GtkWidget *hbox1;
 931         GtkWidget *icon_1;
 932         GtkWidget *icon_2;
 933         GtkWidget *icon_3;
 934         GtkWidget *icon_4;
 935         GtkWidget *icon_5;
 936         GtkWidget *icon_6;
 937         GtkWidget *icon_7;
 938         GtkWidget *frame_buttons;
 939         GtkWidget *hbuttonbox1;
 940         GtkWidget *btn_remove;
 941         GtkCellRenderer *renderer;
 942 #ifdef HAVE_SVG
 943         GtkWidget *frame_scaling;
 944         GtkWidget *checkbtn_enable_alpha;
 945         GtkWidget *checkbtn_enable_scaling;
 946         GtkWidget *checkbtn_scaling_auto;
 947         GtkWidget *label_scaling_ppi;
 948         GtkWidget *spinbtn_scaling_ppi;
 949         GtkAdjustment *spinbtn_scaling_ppi_adj;
 950 #endif
 951
 952         vbox1 = gtk_vbox_new (FALSE, VSPACING);
 953         gtk_container_set_border_width (GTK_CONTAINER (vbox1), 5);
 954         gtk_widget_show (vbox1);
 955
 956         vbox2 = gtkut_get_options_frame(vbox1, &frame1, _("Selector"));
 957
 958         hbox3 = gtk_hbox_new (FALSE, 5);
 959         gtk_widget_show (hbox3);
 960         gtk_box_pack_start (GTK_BOX (vbox2), hbox3, FALSE, FALSE, 0);
 961         // gtk_container_set_border_width (GTK_CONTAINER (hbox3), 5);
 962
 963         menu_themes = gtk_combo_box_new();
 964         gtk_widget_show (menu_themes);
 965         gtk_box_pack_start (GTK_BOX (hbox3), menu_themes, FALSE, FALSE, 0);
 966
 967         btn_install = gtk_button_new_with_label (_("Install new..."));
 968         gtk_widget_show (btn_install);
 969         gtk_box_pack_start (GTK_BOX (hbox3), btn_install, FALSE, FALSE, 0);
 970         gtk_widget_set_can_default (btn_install, TRUE);
 971
 972         btn_more = gtkut_get_link_btn((GtkWidget *)window, THEMES_URI, _("Get more..."));
 973         gtk_widget_show (btn_more);
 974         gtk_box_pack_start (GTK_BOX (hbox3), btn_more, FALSE, FALSE, 0);
 975
 976         label_global_status = gtk_label_new ("");
 977         gtk_widget_show (label_global_status);
 978         gtk_box_pack_start (GTK_BOX (vbox2), label_global_status, FALSE, FALSE, 0);
 979         gtk_label_set_justify (GTK_LABEL (label_global_status), GTK_JUSTIFY_LEFT);
 980         gtk_misc_set_alignment (GTK_MISC (label_global_status), 0, 0.5);
 981         gtk_misc_set_padding (GTK_MISC (label_global_status), 1, 0);
 982
 983         PACK_FRAME(vbox1, frame_info, _("Information"));
 984
 985         table1 = gtk_table_new (4, 2, FALSE);
 986         gtk_widget_show (table1);
 987         gtk_container_add (GTK_CONTAINER (frame_info), table1);
 988         gtk_container_set_border_width (GTK_CONTAINER (table1), 5);
 989
 990         label1 = gtk_label_new (_("Name"));
 991         gtk_widget_show (label1);
 992         gtk_table_attach (GTK_TABLE (table1), label1, 0, 1, 0, 1,
 993                         (GtkAttachOptions) (GTK_FILL),
 994                         (GtkAttachOptions) (0), 5, 4);
 995         gtk_label_set_justify (GTK_LABEL (label1), GTK_JUSTIFY_LEFT);
 996         gtk_misc_set_alignment (GTK_MISC (label1), 1, 0.5);
 997
 998         label2 = gtk_label_new (_("Author"));
 999         gtk_widget_show (label2);
1000         gtk_table_attach (GTK_TABLE (table1), label2, 0, 1, 1, 2,
1001                         (GtkAttachOptions) (GTK_FILL),
1002                         (GtkAttachOptions) (0), 5, 4);
1003         gtk_label_set_justify (GTK_LABEL (label2), GTK_JUSTIFY_LEFT);
1004         gtk_misc_set_alignment (GTK_MISC (label2), 1, 0.5);
1005
1006         label3 = gtk_label_new (_("URL"));
1007         gtk_widget_show (label3);
1008         gtk_table_attach (GTK_TABLE (table1), label3, 0, 1, 2, 3,
1009                         (GtkAttachOptions) (GTK_FILL),
1010                         (GtkAttachOptions) (0), 5, 4);
1011         gtk_misc_set_alignment (GTK_MISC (label3), 1, 0.5);
1012
1013         label_name = gtk_label_new ("");
1014         gtk_widget_show (label_name);
1015         gtk_table_attach (GTK_TABLE (table1), label_name, 1, 2, 0, 1,
1016                         (GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
1017                         (GtkAttachOptions) (0), 5, 0);
1018         gtk_misc_set_alignment (GTK_MISC (label_name), 0, 0.5);
1019
1020         label_author = gtk_label_new ("");
1021         gtk_widget_show (label_author);
1022         gtk_table_attach (GTK_TABLE (table1), label_author, 1, 2, 1, 2,
1023                         (GtkAttachOptions) (GTK_FILL),
1024                         (GtkAttachOptions) (0), 5, 0);
1025         gtk_misc_set_alignment (GTK_MISC (label_author), 0, 0.5);
1026
1027         label_url = gtk_label_new ("");
1028         gtk_widget_show (label_url);
1029         gtk_table_attach (GTK_TABLE (table1), label_url, 1, 2, 2, 3,
1030                         (GtkAttachOptions) (GTK_FILL),
1031                         (GtkAttachOptions) (0), 5, 0);
1032         gtk_misc_set_alignment (GTK_MISC (label_url), 0, 0.5);
1033
1034         label4 = gtk_label_new (_("Status"));
1035         gtk_widget_show (label4);
1036         gtk_table_attach (GTK_TABLE (table1), label4, 0, 1, 3, 4,
1037                         (GtkAttachOptions) (GTK_FILL),
1038                         (GtkAttachOptions) (0), 5, 4);
1039         gtk_misc_set_alignment (GTK_MISC (label4), 1, 0.5);
1040
1041         label_status = gtk_label_new ("");
1042         gtk_widget_show (label_status);
1043         gtk_table_attach (GTK_TABLE (table1), label_status, 1, 2, 3, 4,
1044                         (GtkAttachOptions) (GTK_FILL),
1045                         (GtkAttachOptions) (0), 5, 0);
1046         gtk_misc_set_alignment (GTK_MISC (label_status), 0, 0.5);
1047
1048         PACK_FRAME(vbox1, frame_preview, _("Preview"));
1049
1050         hbox1 = gtk_hbox_new (FALSE, 0);
1051         gtk_widget_show (hbox1);
1052         gtk_container_add (GTK_CONTAINER (frame_preview), hbox1);
1053         gtk_container_set_border_width (GTK_CONTAINER (hbox1), 5);
1054
1055         icon_1 = gtk_image_new();
1056         gtk_widget_show (icon_1);
1057         gtk_box_pack_start (GTK_BOX (hbox1), icon_1, TRUE, TRUE, 2);
1058         gtk_misc_set_padding (GTK_MISC (icon_1), 0, 5);
1059
1060         icon_2 = gtk_image_new();
1061         gtk_widget_show (icon_2);
1062         gtk_box_pack_start (GTK_BOX (hbox1), icon_2, TRUE, TRUE, 2);
1063         gtk_misc_set_padding (GTK_MISC (icon_2), 0, 5);
1064
1065         icon_3 = gtk_image_new();
1066         gtk_widget_show (icon_3);
1067         gtk_box_pack_start (GTK_BOX (hbox1), icon_3, TRUE, TRUE, 2);
1068         gtk_misc_set_padding (GTK_MISC (icon_3), 0, 5);
1069
1070         icon_4 = gtk_image_new();
1071         gtk_widget_show (icon_4);
1072         gtk_box_pack_start (GTK_BOX (hbox1), icon_4, TRUE, TRUE, 2);
1073         gtk_misc_set_padding (GTK_MISC (icon_4), 0, 5);
1074
1075         icon_5 = gtk_image_new();
1076         gtk_widget_show (icon_5);
1077         gtk_box_pack_start (GTK_BOX (hbox1), icon_5, TRUE, TRUE, 2);
1078         gtk_misc_set_padding (GTK_MISC (icon_5), 0, 5);
1079
1080         icon_6 = gtk_image_new();
1081         gtk_widget_show (icon_6);
1082         gtk_box_pack_start (GTK_BOX (hbox1), icon_6, TRUE, TRUE, 2);
1083         gtk_misc_set_padding (GTK_MISC (icon_6), 0, 5);
1084
1085         icon_7 = gtk_image_new();
1086         gtk_widget_show (icon_7);
1087         gtk_box_pack_start (GTK_BOX (hbox1), icon_7, TRUE, TRUE, 2);
1088         gtk_misc_set_padding (GTK_MISC (icon_7), 0, 5);
1089
1090         PACK_FRAME(vbox1, frame_buttons, _("Actions"));
1091
1092         hbuttonbox1 = gtk_hbutton_box_new ();
1093         gtk_widget_show (hbuttonbox1);
1094         gtk_container_add (GTK_CONTAINER (frame_buttons), hbuttonbox1);
1095         gtk_container_set_border_width (GTK_CONTAINER (hbuttonbox1), 8);
1096         gtk_button_box_set_layout (GTK_BUTTON_BOX (hbuttonbox1), GTK_BUTTONBOX_START);
1097         gtk_box_set_spacing (GTK_BOX (hbuttonbox1), 5);
1098
1099         btn_remove = gtk_button_new_with_label (_("Remove"));
1100         gtk_widget_show (btn_remove);
1101         gtk_container_add (GTK_CONTAINER (hbuttonbox1), btn_remove);
1102         gtk_widget_set_can_default (btn_remove, TRUE);
1103
1104 #ifdef HAVE_SVG
1105         PACK_FRAME(vbox1, frame_scaling, _("SVG rendering"));
1106
1107         vbox2 = gtk_vbox_new (FALSE, VSPACING);
1108         gtk_widget_show (vbox2);
1109         gtk_container_set_border_width (GTK_CONTAINER (vbox2), 5);
1110         gtk_container_add (GTK_CONTAINER (frame_scaling), vbox2);
1111
1112         PACK_CHECK_BUTTON(vbox2, checkbtn_enable_alpha, _("Enable alpha channel"));
1113         PACK_CHECK_BUTTON(vbox2, checkbtn_enable_scaling, _("Force scaling"));
1114         PACK_CHECK_BUTTON(vbox2, checkbtn_scaling_auto, _("Automatic"));
1115
1116         hbox3 = gtk_hbox_new (FALSE, 5);
1117         gtk_widget_show (hbox3);
1118
1119         label_scaling_ppi = gtk_label_new (_("Pixels per inch (PPI)"));
1120         gtk_widget_show (label_scaling_ppi);
1121         gtk_box_pack_start (GTK_BOX (hbox3), label_scaling_ppi,
1122                         FALSE, FALSE, 5);
1123
1124         spinbtn_scaling_ppi_adj = GTK_ADJUSTMENT(
1125                 gtk_adjustment_new (MIN_PPI, MIN_PPI, MAX_PPI, 1, 10, 0));
1126         spinbtn_scaling_ppi = gtk_spin_button_new(
1127                         spinbtn_scaling_ppi_adj, 1.0, 0);
1128         gtk_widget_show (spinbtn_scaling_ppi);
1129         gtk_box_pack_start (GTK_BOX (hbox3), spinbtn_scaling_ppi,
1130                         FALSE, FALSE, 5);
1131
1132         gtk_box_pack_start (GTK_BOX (vbox2), hbox3, FALSE, FALSE, 0);
1133
1134         /* initialize widget values */
1135         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON (checkbtn_enable_alpha),
1136                         prefs_common.enable_alpha_svg);
1137         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON (checkbtn_enable_scaling),
1138                         prefs_common.enable_pixmap_scaling);
1139         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON (checkbtn_scaling_auto),
1140                         prefs_common.pixmap_scaling_auto);
1141         gtk_spin_button_set_value(GTK_SPIN_BUTTON (spinbtn_scaling_ppi),
1142                         prefs_common.pixmap_scaling_ppi);
1143
1144         /* sensitivity */
1145         gtk_widget_set_sensitive(checkbtn_scaling_auto,
1146                         prefs_common.enable_pixmap_scaling);
1147         gtk_widget_set_sensitive(spinbtn_scaling_ppi,
1148                         prefs_common.enable_pixmap_scaling
1149                                 && !prefs_common.pixmap_scaling_auto);
1150         gtk_widget_set_sensitive(label_scaling_ppi,
1151                         prefs_common.enable_pixmap_scaling
1152                                 && !prefs_common.pixmap_scaling_auto);
1153
1154         /* signals */
1155         g_signal_connect(G_OBJECT(checkbtn_enable_scaling), "toggled",
1156                          G_CALLBACK(prefs_themes_checkbtn_enable_scaling_toggled_cb),
1157                          prefs_themes);
1158         g_signal_connect(G_OBJECT(checkbtn_scaling_auto), "toggled",
1159                          G_CALLBACK(prefs_themes_checkbtn_scaling_auto_toggled_cb),
1160                          prefs_themes);
1161 #endif
1162
1163         g_signal_connect(G_OBJECT(btn_remove), "clicked",
1164                          G_CALLBACK(prefs_themes_btn_remove_clicked_cb),
1165                          NULL);
1166         g_signal_connect(G_OBJECT(btn_install), "clicked",
1167                          G_CALLBACK(prefs_themes_btn_install_clicked_cb),
1168                          NULL);
1169
1170         prefs_themes->window = GTK_WIDGET(window);
1171
1172         prefs_themes->name   = label_name;
1173         prefs_themes->author = label_author;
1174         prefs_themes->url    = label_url;
1175         prefs_themes->status = label_status;
1176         prefs_themes->global = label_global_status;
1177
1178         prefs_themes->icons[0] = icon_1;
1179         prefs_themes->icons[1] = icon_2;
1180         prefs_themes->icons[2] = icon_3;
1181         prefs_themes->icons[3] = icon_4;
1182         prefs_themes->icons[4] = icon_5;
1183         prefs_themes->icons[5] = icon_6;
1184         prefs_themes->icons[6] = icon_7;
1185
1186         prefs_themes->btn_remove  = btn_remove;
1187         prefs_themes->btn_install = btn_install;
1188         prefs_themes->btn_more    = btn_more;
1189
1190         prefs_themes->op_menu     = menu_themes;
1191
1192 #ifdef HAVE_SVG
1193         prefs_themes->checkbtn_enable_alpha   = checkbtn_enable_alpha;
1194         prefs_themes->checkbtn_enable_scaling = checkbtn_enable_scaling;
1195         prefs_themes->checkbtn_scaling_auto   = checkbtn_scaling_auto;
1196         prefs_themes->label_scaling_ppi       = label_scaling_ppi;
1197         prefs_themes->spinbtn_scaling_ppi     = spinbtn_scaling_ppi;
1198 #endif
1199
1200         prefs_themes->page.widget = vbox1;
1201
1202         prefs_themes_set_themes_menu(GTK_COMBO_BOX(menu_themes), tdata);
1203         renderer = gtk_cell_renderer_text_new();
1204         gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(menu_themes), renderer, TRUE);
1205         gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(menu_themes), renderer,
1206                                         "text", 0, NULL);
1207
1208         prefs_themes_get_theme_info(tdata);
1209         prefs_themes_display_global_stats(tdata);
1210 }
1211
1212 static void prefs_themes_destroy_widget(PrefsPage *page)
1213 {
1214         /* ThemesPage *theme = (ThemesPage *)page; */
1215 }
1216
1217 static void prefs_themes_save(PrefsPage *page)
1218 {
1219         ThemesData *tdata = prefs_themes_data;
1220         gchar      *theme_str = tdata->displayed;
1221 #ifdef HAVE_SVG
1222         ThemesPage *tpage = (ThemesPage *) page;
1223         gboolean alpha = prefs_common.enable_alpha_svg;
1224         gboolean scaling = prefs_common.enable_pixmap_scaling;
1225         gboolean scaling_auto = prefs_common.pixmap_scaling_auto;
1226         gint scaling_ppi = prefs_common.pixmap_scaling_ppi;
1227
1228         prefs_common.enable_alpha_svg = gtk_toggle_button_get_active(
1229                 GTK_TOGGLE_BUTTON (tpage->checkbtn_enable_alpha));
1230         prefs_common.enable_pixmap_scaling = gtk_toggle_button_get_active(
1231                 GTK_TOGGLE_BUTTON (tpage->checkbtn_enable_scaling));
1232         prefs_common.pixmap_scaling_auto = gtk_toggle_button_get_active(
1233                 GTK_TOGGLE_BUTTON (tpage->checkbtn_scaling_auto));
1234         prefs_common.pixmap_scaling_ppi = gtk_spin_button_get_value_as_int (
1235                 GTK_SPIN_BUTTON (tpage->spinbtn_scaling_ppi));
1236 #endif
1237
1238         if (!IS_CURRENT_THEME(theme_str)) {
1239                 debug_print("Changing theme to %s\n", theme_str);
1240                 g_free(prefs_common.pixmap_theme_path);
1241
1242                 prefs_common.pixmap_theme_path = g_strdup(theme_str);
1243
1244                 main_window_reflect_prefs_all_real(TRUE);
1245                 compose_reflect_prefs_pixmap_theme();
1246                 addrcompl_reflect_prefs_pixmap_theme();
1247
1248                 prefs_themes_update_buttons(tdata);
1249         }
1250 #ifdef HAVE_SVG
1251         else if (scaling != prefs_common.enable_pixmap_scaling
1252                         || alpha != prefs_common.enable_alpha_svg
1253                         || (scaling_auto != prefs_common.pixmap_scaling_auto
1254                                 && scaling_ppi != prefs_common.pixmap_scaling_ppi)) {
1255                 /* same theme, different scaling options */
1256                 debug_print("Updating theme scaling\n");
1257                 stock_pixmap_invalidate_all_icons();
1258                 main_window_reflect_prefs_all_real(TRUE);
1259                 compose_reflect_prefs_pixmap_theme();
1260                 addrcompl_reflect_prefs_pixmap_theme();
1261         }
1262 #endif
1263 }
1264