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