libempathy-gtk/empathy-theme-manager.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2005-2007 Imendio AB
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License as
   7  * published by the Free Software Foundation; either version 2 of the
   8  * License, or (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 GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public
  16  * License along with this program; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  */
  20
  21 #include "config.h"
  22
  23 #include <string.h>
  24
  25 #include <glib/gi18n.h>
  26 #include <gtk/gtk.h>
  27
  28 #include <libempathy/empathy-utils.h>
  29
  30 #include "empathy-chat-view.h"
  31 #include "empathy-conf.h"
  32 #include "empathy-theme.h"
  33 #include "empathy-theme-boxes.h"
  34 #include "empathy-theme-irc.h"
  35 #include "empathy-theme-manager.h"
  36
  37 #define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EMPATHY_TYPE_THEME_MANAGER, EmpathyThemeManagerPriv))
  38
  39 typedef struct {
  40         gchar       *name;
  41         guint        name_notify_id;
  42
  43         gboolean     show_avatars;
  44         guint        show_avatars_notify_id;
  45
  46         EmpathyTheme *clean_theme;
  47         EmpathyTheme *simple_theme;
  48         EmpathyTheme *blue_theme;
  49         EmpathyTheme *classic_theme;
  50
  51         GtkSettings  *settings;
  52 } EmpathyThemeManagerPriv;
  53
  54 static void        theme_manager_finalize                 (GObject            *object);
  55 static void        theme_manager_notify_name_cb           (EmpathyConf         *conf,
  56                                                            const gchar        *key,
  57                                                            gpointer            user_data);
  58
  59 static void        theme_manager_notify_show_avatars_cb   (EmpathyConf         *conf,
  60                                                            const gchar        *key,
  61                                                            gpointer            user_data);
  62 static void        theme_manager_apply_theme              (EmpathyThemeManager *manager,
  63                                                            EmpathyChatView     *view,
  64                                                            const gchar        *name);
  65
  66 enum {
  67         THEME_CHANGED,
  68         LAST_SIGNAL
  69 };
  70
  71 static guint signals[LAST_SIGNAL] = { 0 };
  72
  73 static const gchar *themes[] = {
  74         "classic", N_("Classic"),
  75         "simple", N_("Simple"),
  76         "clean", N_("Clean"),
  77         "blue", N_("Blue"),
  78         NULL
  79 };
  80
  81 G_DEFINE_TYPE (EmpathyThemeManager, empathy_theme_manager, G_TYPE_OBJECT);
  82
  83 static void
  84 theme_manager_gdk_color_to_hex (GdkColor *gdk_color, gchar *str_color)
  85 {
  86         g_snprintf (str_color, 10,
  87                     "#%02x%02x%02x",
  88                     gdk_color->red >> 8,
  89                     gdk_color->green >> 8,
  90                     gdk_color->blue >> 8);
  91 }
  92
  93  static void
  94 theme_manager_color_hash_notify_cb (EmpathyThemeManager *manager)
  95 {
  96         EmpathyThemeManagerPriv *priv;
  97         GtkStyle                *style;
  98         gchar                    color[10];
  99
 100         priv = GET_PRIV (manager);
 101
 102         style = gtk_widget_get_default_style ();
 103
 104         g_object_freeze_notify (G_OBJECT (priv->simple_theme));
 105
 106         theme_manager_gdk_color_to_hex (&style->base[GTK_STATE_SELECTED], color);
 107         g_object_set (priv->simple_theme,
 108                       "action-foreground", color,
 109                       "link-foreground", color,
 110                       NULL);
 111
 112         theme_manager_gdk_color_to_hex (&style->bg[GTK_STATE_SELECTED], color);
 113         g_object_set (priv->simple_theme,
 114                       "header-background", color,
 115                       NULL);
 116
 117         theme_manager_gdk_color_to_hex (&style->dark[GTK_STATE_SELECTED], color);
 118         g_object_set (priv->simple_theme,
 119                       "header-line-background", color,
 120                       NULL);
 121
 122         theme_manager_gdk_color_to_hex (&style->fg[GTK_STATE_SELECTED], color);
 123         g_object_set (priv->simple_theme,
 124                       "header-foreground", color,
 125                       NULL);
 126
 127         g_object_thaw_notify (G_OBJECT (priv->simple_theme));
 128
 129 #if 0
 130
 131 FIXME: Make that work, it should update color when theme changes but it
 132        doesnt seems to work with all themes.
 133
 134         g_object_get (priv->settings,
 135                       "color-hash", &color_hash,
 136                       NULL);
 137
 138         /*
 139          * base_color: #ffffffffffff
 140          * fg_color: #000000000000
 141          * bg_color: #e6e6e7e7e8e8
 142          * text_color: #000000000000
 143          * selected_bg_color: #58589a9adbdb
 144          * selected_fg_color: #ffffffffffff
 145          */
 146
 147         color = g_hash_table_lookup (color_hash, "base_color");
 148         if (color) {
 149                 theme_manager_gdk_color_to_hex (color, color_str);
 150                 g_object_set (priv->simple_theme,
 151                               "action-foreground", color_str,
 152                               "link-foreground", color_str,
 153                               NULL);
 154         }
 155
 156         color = g_hash_table_lookup (color_hash, "selected_bg_color");
 157         if (color) {
 158                 theme_manager_gdk_color_to_hex (color, color_str);
 159                 g_object_set (priv->simple_theme,
 160                               "header-background", color_str,
 161                               NULL);
 162         }
 163
 164         color = g_hash_table_lookup (color_hash, "bg_color");
 165         if (color) {
 166                 GdkColor tmp;
 167
 168                 tmp = *color;
 169                 tmp.red /= 2;
 170                 tmp.green /= 2;
 171                 tmp.blue /= 2;
 172                 theme_manager_gdk_color_to_hex (&tmp, color_str);
 173                 g_object_set (priv->simple_theme,
 174                               "header-line-background", color_str,
 175                               NULL);
 176         }
 177
 178         color = g_hash_table_lookup (color_hash, "selected_fg_color");
 179         if (color) {
 180                 theme_manager_gdk_color_to_hex (color, color_str);
 181                 g_object_set (priv->simple_theme,
 182                               "header-foreground", color_str,
 183                               NULL);
 184         }
 185
 186         g_hash_table_unref (color_hash);
 187
 188 #endif
 189 }
 190
 191 static void
 192 empathy_theme_manager_class_init (EmpathyThemeManagerClass *klass)
 193 {
 194         GObjectClass *object_class = G_OBJECT_CLASS (klass);
 195
 196         signals[THEME_CHANGED] =
 197                 g_signal_new ("theme-changed",
 198                               G_OBJECT_CLASS_TYPE (object_class),
 199                               G_SIGNAL_RUN_LAST,
 200                               0,
 201                               NULL, NULL,
 202                               g_cclosure_marshal_VOID__VOID,
 203                               G_TYPE_NONE,
 204                               0);
 205
 206         g_type_class_add_private (object_class, sizeof (EmpathyThemeManagerPriv));
 207
 208         object_class->finalize = theme_manager_finalize;
 209 }
 210
 211 static void
 212 empathy_theme_manager_init (EmpathyThemeManager *manager)
 213 {
 214         EmpathyThemeManagerPriv *priv;
 215
 216         priv = GET_PRIV (manager);
 217
 218         priv->name_notify_id =
 219                 empathy_conf_notify_add (empathy_conf_get (),
 220                                         EMPATHY_PREFS_CHAT_THEME,
 221                                         theme_manager_notify_name_cb,
 222                                         manager);
 223
 224         empathy_conf_get_string (empathy_conf_get (),
 225                                 EMPATHY_PREFS_CHAT_THEME,
 226                                 &priv->name);
 227
 228         /* Unused right now, but will be used soon. */
 229         priv->show_avatars_notify_id =
 230                 empathy_conf_notify_add (empathy_conf_get (),
 231                                         EMPATHY_PREFS_UI_SHOW_AVATARS,
 232                                         theme_manager_notify_show_avatars_cb,
 233                                         manager);
 234
 235         empathy_conf_get_bool (empathy_conf_get (),
 236                               EMPATHY_PREFS_UI_SHOW_AVATARS,
 237                               &priv->show_avatars);
 238
 239         priv->settings = gtk_settings_get_default ();
 240         g_signal_connect_swapped (priv->settings, "notify::color-hash",
 241                                   G_CALLBACK (theme_manager_color_hash_notify_cb),
 242                                   manager);
 243
 244         priv->simple_theme = g_object_new (EMPATHY_TYPE_THEME_BOXES, NULL);
 245         theme_manager_color_hash_notify_cb (manager);
 246
 247         priv->clean_theme = g_object_new (EMPATHY_TYPE_THEME_BOXES,
 248                                           "header-foreground", "black",
 249                                           "header-background", "#efefdf",
 250                                           "header_line_background", "#e3e3d3",
 251                                           "action_foreground", "brown4",
 252                                           "time_foreground", "darkgrey",
 253                                           "event_foreground", "darkgrey",
 254                                           "invite_foreground", "sienna",
 255                                           "link_foreground","#49789e",
 256                                           NULL);
 257
 258         priv->blue_theme = g_object_new (EMPATHY_TYPE_THEME_BOXES,
 259                                          "header_foreground", "black",
 260                                          "header_background", "#88a2b4",
 261                                          "header_line_background", "#7f96a4",
 262                                          "text_foreground", "black",
 263                                          "text_background", "#adbdc8",
 264                                          "highlight_foreground", "black",
 265                                          "action_foreground", "brown4",
 266                                          "time_foreground", "darkgrey",
 267                                          "event_foreground", "#7f96a4",
 268                                          "invite_foreground", "sienna",
 269                                          "link_foreground", "#49789e",
 270                                          NULL);
 271
 272         priv->classic_theme = g_object_new (EMPATHY_TYPE_THEME_IRC, NULL);
 273 }
 274
 275 static void
 276 theme_manager_finalize (GObject *object)
 277 {
 278         EmpathyThemeManagerPriv *priv;
 279
 280         priv = GET_PRIV (object);
 281
 282         empathy_conf_notify_remove (empathy_conf_get (), priv->name_notify_id);
 283         empathy_conf_notify_remove (empathy_conf_get (), priv->show_avatars_notify_id);
 284
 285         g_free (priv->name);
 286
 287         g_object_unref (priv->clean_theme);
 288         g_object_unref (priv->simple_theme);
 289         g_object_unref (priv->blue_theme);
 290         g_object_unref (priv->classic_theme);
 291
 292         G_OBJECT_CLASS (empathy_theme_manager_parent_class)->finalize (object);
 293 }
 294
 295 static void
 296 theme_manager_notify_name_cb (EmpathyConf  *conf,
 297                               const gchar *key,
 298                               gpointer     user_data)
 299 {
 300         EmpathyThemeManager     *manager;
 301         EmpathyThemeManagerPriv *priv;
 302         gchar                  *name;
 303
 304         manager = user_data;
 305         priv = GET_PRIV (manager);
 306
 307         g_free (priv->name);
 308
 309         name = NULL;
 310         if (!empathy_conf_get_string (conf, key, &name) ||
 311             name == NULL || name[0] == 0) {
 312                 priv->name = g_strdup ("classic");
 313                 g_free (name);
 314         } else {
 315                 priv->name = name;
 316         }
 317
 318         g_signal_emit (manager, signals[THEME_CHANGED], 0, NULL);
 319 }
 320
 321 static void
 322 theme_manager_notify_show_avatars_cb (EmpathyConf  *conf,
 323                                       const gchar *key,
 324                                       gpointer     user_data)
 325 {
 326         EmpathyThemeManager     *manager;
 327         EmpathyThemeManagerPriv *priv;
 328         gboolean                value;
 329
 330         manager = user_data;
 331         priv = GET_PRIV (manager);
 332
 333         if (!empathy_conf_get_bool (conf, key, &value)) {
 334                 priv->show_avatars = FALSE;
 335         } else {
 336                 priv->show_avatars = value;
 337         }
 338 }
 339
 340 static gboolean
 341 theme_manager_ensure_theme_exists (const gchar *name)
 342 {
 343         gint i;
 344
 345         if (G_STR_EMPTY (name)) {
 346                 return FALSE;
 347         }
 348
 349         for (i = 0; themes[i]; i += 2) {
 350                 if (strcmp (themes[i], name) == 0) {
 351                         return TRUE;
 352                 }
 353         }
 354
 355         return FALSE;
 356 }
 357
 358 static void
 359 theme_manager_apply_theme (EmpathyThemeManager *manager,
 360                            EmpathyChatView     *view,
 361                            const gchar        *name)
 362 {
 363         EmpathyThemeManagerPriv *priv;
 364         EmpathyTheme            *theme;
 365
 366         priv = GET_PRIV (manager);
 367
 368         /* Make sure all tags are present. Note: not useful now but when we have
 369          * user defined theme it will be.
 370          */
 371         if (theme_manager_ensure_theme_exists (name)) {
 372                 if (strcmp (name, "clean") == 0) {
 373                         theme = priv->clean_theme;
 374                 }
 375                 else if (strcmp (name, "simple") == 0) {
 376                         theme = priv->simple_theme;
 377                 }
 378                 else if (strcmp (name, "blue") == 0) {
 379                         theme = priv->blue_theme;
 380                 } else {
 381                         theme = priv->classic_theme;
 382                 }
 383         } else {
 384                 theme = priv->classic_theme;
 385         }
 386
 387         empathy_chat_view_set_theme (view, theme);
 388 }
 389
 390 EmpathyThemeManager *
 391 empathy_theme_manager_get (void)
 392 {
 393         static EmpathyThemeManager *manager = NULL;
 394
 395         if (!manager) {
 396                 manager = g_object_new (EMPATHY_TYPE_THEME_MANAGER, NULL);
 397         }
 398
 399         return manager;
 400 }
 401
 402 const gchar **
 403 empathy_theme_manager_get_themes (void)
 404 {
 405         return themes;
 406 }
 407
 408 void
 409 empathy_theme_manager_apply (EmpathyThemeManager *manager,
 410                             EmpathyChatView     *view,
 411                             const gchar        *name)
 412 {
 413         EmpathyThemeManagerPriv *priv;
 414
 415         priv = GET_PRIV (manager);
 416
 417         theme_manager_apply_theme (manager, view, name);
 418 }
 419
 420 void
 421 empathy_theme_manager_apply_saved (EmpathyThemeManager *manager,
 422                                   EmpathyChatView     *view)
 423 {
 424         EmpathyThemeManagerPriv *priv;
 425
 426         priv = GET_PRIV (manager);
 427
 428         theme_manager_apply_theme (manager, view, priv->name);
 429 }
 430