libempathy-gtk/gossip-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  * Authors: Richard Hult <richard@imendio.com>
  21  */
  22
  23 #include "config.h"
  24
  25 #include <string.h>
  26
  27 #include <glib/gi18n.h>
  28 #include <gtk/gtk.h>
  29
  30 #include <libempathy/gossip-conf.h>
  31 #include <libempathy/gossip-utils.h>
  32
  33 #include "gossip-chat-view.h"
  34 #include "gossip-preferences.h"
  35 #include "gossip-theme-manager.h"
  36
  37 #define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GOSSIP_TYPE_THEME_MANAGER, GossipThemeManagerPriv))
  38
  39 typedef struct {
  40         gchar    *name;
  41         guint     name_notify_id;
  42         guint     room_notify_id;
  43
  44         gboolean  show_avatars;
  45         guint     show_avatars_notify_id;
  46
  47         gboolean  irc_style;
  48 } GossipThemeManagerPriv;
  49
  50 static void        theme_manager_finalize                 (GObject            *object);
  51 static void        theme_manager_notify_name_cb           (GossipConf         *conf,
  52                                                            const gchar        *key,
  53                                                            gpointer            user_data);
  54 static void        theme_manager_notify_room_cb           (GossipConf         *conf,
  55                                                            const gchar        *key,
  56                                                            gpointer            user_data);
  57 static void        theme_manager_notify_show_avatars_cb   (GossipConf         *conf,
  58                                                            const gchar        *key,
  59                                                            gpointer            user_data);
  60 static void        theme_manager_ensure_tag_by_name       (GtkTextBuffer      *buffer,
  61                                                            const gchar        *name);
  62 static gboolean    theme_manager_ensure_theme_exists      (const gchar        *name);
  63 static GtkTextTag *theme_manager_init_tag_by_name         (GtkTextTagTable    *table,
  64                                                            const gchar        *name);
  65 static void        theme_manager_add_tag                  (GtkTextTagTable    *table,
  66                                                            GtkTextTag         *tag);
  67 static void        theme_manager_fixup_tag_table          (GossipThemeManager *theme_manager,
  68                                                            GossipChatView     *view);
  69 static void        theme_manager_apply_theme_classic      (GossipThemeManager *manager,
  70                                                            GossipChatView     *view);
  71 static void        theme_manager_apply_theme_clean        (GossipThemeManager *manager,
  72                                                            GossipChatView     *view);
  73 static void        theme_manager_apply_theme_blue         (GossipThemeManager *manager,
  74                                                            GossipChatView     *view);
  75 static void        theme_manager_apply_theme              (GossipThemeManager *manager,
  76                                                            GossipChatView     *view,
  77                                                            const gchar        *name);
  78
  79 enum {
  80         THEME_CHANGED,
  81         LAST_SIGNAL
  82 };
  83
  84 static guint signals[LAST_SIGNAL] = { 0 };
  85
  86 static const gchar *themes[] = {
  87         "classic", N_("Classic"),
  88         "simple", N_("Simple"),
  89         "clean", N_("Clean"),
  90         "blue", N_("Blue"),
  91         NULL
  92 };
  93
  94 G_DEFINE_TYPE (GossipThemeManager, gossip_theme_manager, G_TYPE_OBJECT);
  95
  96 static void
  97 gossip_theme_manager_class_init (GossipThemeManagerClass *klass)
  98 {
  99         GObjectClass *object_class = G_OBJECT_CLASS (klass);
 100
 101         signals[THEME_CHANGED] =
 102                 g_signal_new ("theme-changed",
 103                               G_OBJECT_CLASS_TYPE (object_class),
 104                               G_SIGNAL_RUN_LAST,
 105                               0,
 106                               NULL, NULL,
 107                               g_cclosure_marshal_VOID__VOID,
 108                               G_TYPE_NONE,
 109                               0);
 110
 111         g_type_class_add_private (object_class, sizeof (GossipThemeManagerPriv));
 112
 113         object_class->finalize = theme_manager_finalize;
 114 }
 115
 116 static void
 117 gossip_theme_manager_init (GossipThemeManager *manager)
 118 {
 119         GossipThemeManagerPriv *priv;
 120
 121         priv = GET_PRIV (manager);
 122
 123         priv->name_notify_id =
 124                 gossip_conf_notify_add (gossip_conf_get (),
 125                                         GOSSIP_PREFS_CHAT_THEME,
 126                                         theme_manager_notify_name_cb,
 127                                         manager);
 128
 129         priv->room_notify_id =
 130                 gossip_conf_notify_add (gossip_conf_get (),
 131                                         GOSSIP_PREFS_CHAT_THEME_CHAT_ROOM,
 132                                         theme_manager_notify_room_cb,
 133                                         manager);
 134
 135         gossip_conf_get_string (gossip_conf_get (),
 136                                 GOSSIP_PREFS_CHAT_THEME,
 137                                 &priv->name);
 138
 139         /* Unused right now, but will be used soon. */
 140         priv->show_avatars_notify_id =
 141                 gossip_conf_notify_add (gossip_conf_get (),
 142                                         GOSSIP_PREFS_UI_SHOW_AVATARS,
 143                                         theme_manager_notify_show_avatars_cb,
 144                                         manager);
 145
 146         gossip_conf_get_bool (gossip_conf_get (),
 147                               GOSSIP_PREFS_UI_SHOW_AVATARS,
 148                               &priv->show_avatars);
 149 }
 150
 151 static void
 152 theme_manager_finalize (GObject *object)
 153 {
 154         GossipThemeManagerPriv *priv;
 155
 156         priv = GET_PRIV (object);
 157
 158         gossip_conf_notify_remove (gossip_conf_get (), priv->name_notify_id);
 159         gossip_conf_notify_remove (gossip_conf_get (), priv->room_notify_id);
 160         gossip_conf_notify_remove (gossip_conf_get (), priv->show_avatars_notify_id);
 161
 162         g_free (priv->name);
 163
 164         G_OBJECT_CLASS (gossip_theme_manager_parent_class)->finalize (object);
 165 }
 166
 167 static void
 168 theme_manager_notify_name_cb (GossipConf  *conf,
 169                               const gchar *key,
 170                               gpointer     user_data)
 171 {
 172         GossipThemeManager     *manager;
 173         GossipThemeManagerPriv *priv;
 174         gchar                  *name;
 175
 176         manager = user_data;
 177         priv = GET_PRIV (manager);
 178
 179         g_free (priv->name);
 180
 181         name = NULL;
 182         if (!gossip_conf_get_string (conf, key, &name) ||
 183             name == NULL || name[0] == 0) {
 184                 priv->name = g_strdup ("classic");
 185                 g_free (name);
 186         } else {
 187                 priv->name = name;
 188         }
 189
 190         g_signal_emit (manager, signals[THEME_CHANGED], 0, NULL);
 191 }
 192
 193 static void
 194 theme_manager_notify_room_cb (GossipConf  *conf,
 195                               const gchar *key,
 196                               gpointer     user_data)
 197 {
 198         g_signal_emit (user_data, signals[THEME_CHANGED], 0, NULL);
 199 }
 200
 201 static void
 202 theme_manager_notify_show_avatars_cb (GossipConf  *conf,
 203                                       const gchar *key,
 204                                       gpointer     user_data)
 205 {
 206         GossipThemeManager     *manager;
 207         GossipThemeManagerPriv *priv;
 208         gboolean                value;
 209
 210         manager = user_data;
 211         priv = GET_PRIV (manager);
 212
 213         if (!gossip_conf_get_bool (conf, key, &value)) {
 214                 priv->show_avatars = FALSE;
 215         } else {
 216                 priv->show_avatars = value;
 217         }
 218 }
 219
 220 static void
 221 theme_manager_ensure_tag_by_name (GtkTextBuffer *buffer,
 222                                   const gchar   *name)
 223 {
 224         GtkTextTagTable *table;
 225         GtkTextTag      *tag;
 226
 227         table = gtk_text_buffer_get_tag_table (buffer);
 228         tag = gtk_text_tag_table_lookup (table, name);
 229
 230         if (!tag) {
 231                 gtk_text_buffer_create_tag (buffer,
 232                                             name,
 233                                             NULL);
 234         }
 235 }
 236
 237 static gboolean
 238 theme_manager_ensure_theme_exists (const gchar *name)
 239 {
 240         gint i;
 241
 242         if (G_STR_EMPTY (name)) {
 243                 return FALSE;
 244         }
 245
 246         for (i = 0; themes[i]; i += 2) {
 247                 if (strcmp (themes[i], name) == 0) {
 248                         return TRUE;
 249                 }
 250         }
 251
 252         return FALSE;
 253 }
 254
 255 static GtkTextTag *
 256 theme_manager_init_tag_by_name (GtkTextTagTable *table,
 257                                 const gchar     *name)
 258 {
 259         GtkTextTag *tag;
 260
 261         tag = gtk_text_tag_table_lookup (table, name);
 262
 263         if (!tag) {
 264                 return gtk_text_tag_new (name);
 265         }
 266
 267         /* Clear the old values so that we don't affect the new theme. */
 268         g_object_set (tag,
 269                       "background-set", FALSE,
 270                       "foreground-set", FALSE,
 271                       "invisible-set", FALSE,
 272                       "justification-set", FALSE,
 273                       "paragraph-background-set", FALSE,
 274                       "pixels-above-lines-set", FALSE,
 275                       "pixels-below-lines-set", FALSE,
 276                       "rise-set", FALSE,
 277                       "scale-set", FALSE,
 278                       "size-set", FALSE,
 279                       "style-set", FALSE,
 280                       "weight-set", FALSE,
 281                       NULL);
 282
 283         return tag;
 284 }
 285
 286 static void
 287 theme_manager_add_tag (GtkTextTagTable *table,
 288                        GtkTextTag      *tag)
 289 {
 290         gchar      *name;
 291         GtkTextTag *check_tag;
 292
 293         g_object_get (tag, "name", &name, NULL);
 294         check_tag = gtk_text_tag_table_lookup (table, name);
 295         g_free (name);
 296         if (check_tag) {
 297                 return;
 298         }
 299
 300         gtk_text_tag_table_add (table, tag);
 301
 302         g_object_unref (tag);
 303 }
 304
 305 static void
 306 theme_manager_fixup_tag_table (GossipThemeManager *theme_manager,
 307                                GossipChatView     *view)
 308 {
 309         GtkTextBuffer *buffer;
 310
 311         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
 312
 313         /* "Fancy" style tags. */
 314         theme_manager_ensure_tag_by_name (buffer, "fancy-header-self");
 315         theme_manager_ensure_tag_by_name (buffer, "fancy-header-self-avatar");
 316         theme_manager_ensure_tag_by_name (buffer, "fancy-avatar-self");
 317         theme_manager_ensure_tag_by_name (buffer, "fancy-line-top-self");
 318         theme_manager_ensure_tag_by_name (buffer, "fancy-line-bottom-self");
 319         theme_manager_ensure_tag_by_name (buffer, "fancy-body-self");
 320         theme_manager_ensure_tag_by_name (buffer, "fancy-action-self");
 321         theme_manager_ensure_tag_by_name (buffer, "fancy-highlight-self");
 322
 323         theme_manager_ensure_tag_by_name (buffer, "fancy-header-other");
 324         theme_manager_ensure_tag_by_name (buffer, "fancy-header-other-avatar");
 325         theme_manager_ensure_tag_by_name (buffer, "fancy-avatar-other");
 326         theme_manager_ensure_tag_by_name (buffer, "fancy-line-top-other");
 327         theme_manager_ensure_tag_by_name (buffer, "fancy-line-bottom-other");
 328         theme_manager_ensure_tag_by_name (buffer, "fancy-body-other");
 329         theme_manager_ensure_tag_by_name (buffer, "fancy-action-other");
 330         theme_manager_ensure_tag_by_name (buffer, "fancy-highlight-other");
 331
 332         theme_manager_ensure_tag_by_name (buffer, "fancy-spacing");
 333         theme_manager_ensure_tag_by_name (buffer, "fancy-time");
 334         theme_manager_ensure_tag_by_name (buffer, "fancy-event");
 335         theme_manager_ensure_tag_by_name (buffer, "fancy-invite");
 336         theme_manager_ensure_tag_by_name (buffer, "fancy-link");
 337
 338         /* IRC style tags. */
 339         theme_manager_ensure_tag_by_name (buffer, "irc-nick-self");
 340         theme_manager_ensure_tag_by_name (buffer, "irc-body-self");
 341         theme_manager_ensure_tag_by_name (buffer, "irc-action-self");
 342
 343         theme_manager_ensure_tag_by_name (buffer, "irc-nick-other");
 344         theme_manager_ensure_tag_by_name (buffer, "irc-body-other");
 345         theme_manager_ensure_tag_by_name (buffer, "irc-action-other");
 346
 347         theme_manager_ensure_tag_by_name (buffer, "irc-nick-highlight");
 348         theme_manager_ensure_tag_by_name (buffer, "irc-spacing");
 349         theme_manager_ensure_tag_by_name (buffer, "irc-time");
 350         theme_manager_ensure_tag_by_name (buffer, "irc-event");
 351         theme_manager_ensure_tag_by_name (buffer, "irc-invite");
 352         theme_manager_ensure_tag_by_name (buffer, "irc-link");
 353 }
 354
 355 static void
 356 theme_manager_apply_theme_classic (GossipThemeManager *manager,
 357                                    GossipChatView     *view)
 358 {
 359         GossipThemeManagerPriv *priv;
 360         GtkTextBuffer          *buffer;
 361         GtkTextTagTable        *table;
 362         GtkTextTag             *tag;
 363
 364         priv = GET_PRIV (manager);
 365
 366         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
 367         table = gtk_text_buffer_get_tag_table (buffer);
 368
 369         priv->irc_style = TRUE;
 370
 371         tag = theme_manager_init_tag_by_name (table, "irc-spacing");
 372         g_object_set (tag,
 373                       "size", 2000,
 374                       NULL);
 375         theme_manager_add_tag (table, tag);
 376
 377         tag = theme_manager_init_tag_by_name (table, "irc-nick-self");
 378         g_object_set (tag,
 379                       "foreground", "sea green",
 380                       NULL);
 381         theme_manager_add_tag (table, tag);
 382
 383         tag = theme_manager_init_tag_by_name (table, "irc-body-self");
 384         g_object_set (tag,
 385                       /* To get the default theme color: */
 386                       "foreground-set", FALSE,
 387                       NULL);
 388         theme_manager_add_tag (table, tag);
 389
 390         tag = theme_manager_init_tag_by_name (table, "irc-action-self");
 391         g_object_set (tag,
 392                       "foreground", "brown4",
 393                       "style", PANGO_STYLE_ITALIC,
 394                       NULL);
 395         theme_manager_add_tag (table, tag);
 396
 397         tag = theme_manager_init_tag_by_name (table, "irc-nick-highlight");
 398         g_object_set (tag,
 399                       "foreground", "indian red",
 400                       "weight", PANGO_WEIGHT_BOLD,
 401                       NULL);
 402         theme_manager_add_tag (table, tag);
 403
 404         tag = theme_manager_init_tag_by_name (table, "irc-nick-other");
 405         g_object_set (tag,
 406                       "foreground", "skyblue4",
 407                       NULL);
 408         theme_manager_add_tag (table, tag);
 409
 410         tag = theme_manager_init_tag_by_name (table, "irc-body-other");
 411         g_object_set (tag,
 412                       /* To get the default theme color: */
 413                       "foreground-set", FALSE,
 414                       NULL);
 415         theme_manager_add_tag (table, tag);
 416
 417         tag = theme_manager_init_tag_by_name (table, "irc-action-other");
 418         g_object_set (tag,
 419                       "foreground", "brown4",
 420                       "style", PANGO_STYLE_ITALIC,
 421                       NULL);
 422         theme_manager_add_tag (table, tag);
 423
 424         tag = theme_manager_init_tag_by_name (table, "irc-time");
 425         g_object_set (tag,
 426                       "foreground", "darkgrey",
 427                       "justification", GTK_JUSTIFY_CENTER,
 428                       NULL);
 429         theme_manager_add_tag (table, tag);
 430
 431         tag = theme_manager_init_tag_by_name (table, "irc-event");
 432         g_object_set (tag,
 433                       "foreground", "PeachPuff4",
 434                       "justification", GTK_JUSTIFY_LEFT,
 435                       NULL);
 436         theme_manager_add_tag (table, tag);
 437
 438         tag = theme_manager_init_tag_by_name (table, "irc-invite");
 439         g_object_set (tag,
 440                       "foreground", "sienna",
 441                       NULL);
 442         theme_manager_add_tag (table, tag);
 443
 444         tag = theme_manager_init_tag_by_name (table, "irc-link");
 445         g_object_set (tag,
 446                       "foreground", "steelblue",
 447                       "underline", PANGO_UNDERLINE_SINGLE,
 448                       NULL);
 449         theme_manager_add_tag (table, tag);
 450 }
 451
 452 static void
 453 theme_manager_apply_theme_simple (GossipThemeManager *manager,
 454                                   GossipChatView     *view)
 455 {
 456         GossipThemeManagerPriv *priv;
 457         GtkTextBuffer          *buffer;
 458         GtkTextTagTable        *table;
 459         GtkTextTag             *tag;
 460         GtkWidget              *widget;
 461         GtkStyle               *style;
 462
 463         priv = GET_PRIV (manager);
 464
 465         widget = gtk_entry_new ();
 466         style = gtk_widget_get_style (widget);
 467         gtk_widget_destroy (widget);
 468
 469         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
 470         table = gtk_text_buffer_get_tag_table (buffer);
 471
 472         priv->irc_style = FALSE;
 473
 474         tag = theme_manager_init_tag_by_name (table, "fancy-spacing");
 475         g_object_set (tag,
 476                       "size", 3000,
 477                       NULL);
 478         theme_manager_add_tag (table, tag);
 479
 480         tag = theme_manager_init_tag_by_name (table, "fancy-header-self");
 481         g_object_set (tag,
 482                       "weight", PANGO_WEIGHT_BOLD,
 483                       NULL);
 484         theme_manager_add_tag (table, tag);
 485
 486         tag = theme_manager_init_tag_by_name (table, "fancy-header-self-avatar");
 487         theme_manager_add_tag (table, tag);
 488
 489         tag = theme_manager_init_tag_by_name (table, "fancy-avatar-self");
 490         theme_manager_add_tag (table, tag);
 491
 492         tag = theme_manager_init_tag_by_name (table, "fancy-line-top-self");
 493         g_object_set (tag,
 494                       "size", 6 * PANGO_SCALE,
 495                       NULL);
 496         theme_manager_add_tag (table, tag);
 497
 498         tag = theme_manager_init_tag_by_name (table, "fancy-line-bottom-self");
 499         g_object_set (tag,
 500                       "size", 1,
 501                       NULL);
 502         theme_manager_add_tag (table, tag);
 503
 504         tag = theme_manager_init_tag_by_name (table, "fancy-body-self");
 505         g_object_set (tag,
 506                       "pixels-above-lines", 2,
 507                       "pixels-below-lines", 2,
 508                       NULL);
 509         theme_manager_add_tag (table, tag);
 510
 511         tag = theme_manager_init_tag_by_name (table, "fancy-action-self");
 512         g_object_set (tag,
 513                       "foreground-gdk", &style->base[GTK_STATE_SELECTED],
 514                       "style", PANGO_STYLE_ITALIC,
 515                       "pixels-above-lines", 2,
 516                       "pixels-below-lines", 2,
 517                       NULL);
 518         theme_manager_add_tag (table, tag);
 519
 520         tag = theme_manager_init_tag_by_name (table, "fancy-highlight-self");
 521         g_object_set (tag,
 522                       "weight", PANGO_WEIGHT_BOLD,
 523                       "pixels-above-lines", 2,
 524                       "pixels-below-lines", 2,
 525                       NULL);
 526         theme_manager_add_tag (table, tag);
 527
 528         tag = theme_manager_init_tag_by_name (table, "fancy-header-other");
 529         g_object_set (tag,
 530                       "weight", PANGO_WEIGHT_BOLD,
 531                       NULL);
 532         theme_manager_add_tag (table, tag);
 533
 534         tag = theme_manager_init_tag_by_name (table, "fancy-header-other-avatar");
 535         theme_manager_add_tag (table, tag);
 536
 537         tag = theme_manager_init_tag_by_name (table, "fancy-avatar-other");
 538         theme_manager_add_tag (table, tag);
 539
 540         tag = theme_manager_init_tag_by_name (table, "fancy-line-top-other");
 541         g_object_set (tag,
 542                       "size", 6 * PANGO_SCALE,
 543                       NULL);
 544         theme_manager_add_tag (table, tag);
 545
 546         tag = theme_manager_init_tag_by_name (table, "fancy-line-bottom-other");
 547         g_object_set (tag,
 548                       "size", 1,
 549                       NULL);
 550         theme_manager_add_tag (table, tag);
 551
 552         tag = theme_manager_init_tag_by_name (table, "fancy-body-other");
 553         g_object_set (tag,
 554                       "pixels-above-lines", 2,
 555                       "pixels-below-lines", 2,
 556                       NULL);
 557         theme_manager_add_tag (table, tag);
 558
 559         tag = theme_manager_init_tag_by_name (table, "fancy-action-other");
 560         g_object_set (tag,
 561                       "foreground-gdk", &style->base[GTK_STATE_SELECTED],
 562                       "style", PANGO_STYLE_ITALIC,
 563                       "pixels-above-lines", 2,
 564                       "pixels-below-lines", 2,
 565                       NULL);
 566         theme_manager_add_tag (table, tag);
 567
 568         tag = theme_manager_init_tag_by_name (table, "fancy-highlight-other");
 569         g_object_set (tag,
 570                       "weight", PANGO_WEIGHT_BOLD,
 571                       "pixels-above-lines", 2,
 572                       "pixels-below-lines", 2,
 573                       NULL);
 574         theme_manager_add_tag (table, tag);
 575
 576         tag = theme_manager_init_tag_by_name (table, "fancy-time");
 577         g_object_set (tag,
 578                       "foreground", "darkgrey",
 579                       "justification", GTK_JUSTIFY_CENTER,
 580                       NULL);
 581         theme_manager_add_tag (table, tag);
 582
 583         tag = theme_manager_init_tag_by_name (table, "fancy-event");
 584         g_object_set (tag,
 585                       "foreground", "darkgrey",
 586                       "justification", GTK_JUSTIFY_LEFT,
 587                       NULL);
 588         theme_manager_add_tag (table, tag);
 589
 590         tag = theme_manager_init_tag_by_name (table, "fancy-invite");
 591         g_object_set (tag,
 592                       "foreground", "darkgrey",
 593                       NULL);
 594         theme_manager_add_tag (table, tag);
 595
 596         tag = theme_manager_init_tag_by_name (table, "fancy-link");
 597         g_object_set (tag,
 598                       "foreground-gdk", &style->base[GTK_STATE_SELECTED],
 599                       "underline", PANGO_UNDERLINE_SINGLE,
 600                       NULL);
 601         theme_manager_add_tag (table, tag);
 602 }
 603
 604 static void
 605 theme_manager_apply_theme_clean (GossipThemeManager *manager,
 606                                  GossipChatView     *view)
 607 {
 608         GossipThemeManagerPriv *priv;
 609         GtkTextBuffer          *buffer;
 610         GtkTextTagTable        *table;
 611         GtkTextTag             *tag;
 612
 613         priv = GET_PRIV (manager);
 614
 615         /* Inherit the simple theme. */
 616         theme_manager_apply_theme_simple (manager, view);
 617
 618 #define ELEGANT_HEAD "#efefdf"
 619 #define ELEGANT_LINE "#e3e3d3"
 620
 621         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
 622         table = gtk_text_buffer_get_tag_table (buffer);
 623
 624         tag = theme_manager_init_tag_by_name (table, "fancy-spacing");
 625         g_object_set (tag,
 626                       "size", PANGO_SCALE * 10,
 627                       NULL);
 628
 629         tag = theme_manager_init_tag_by_name (table, "fancy-header-self");
 630         g_object_set (tag,
 631                       "foreground", "black",
 632                       "weight", PANGO_WEIGHT_BOLD,
 633                       "paragraph-background", ELEGANT_HEAD,
 634                       "pixels-above-lines", 2,
 635                       "pixels-below-lines", 2,
 636                       NULL);
 637
 638         tag = theme_manager_init_tag_by_name (table, "fancy-avatar-self");
 639         g_object_set (tag,
 640                       "paragraph-background", ELEGANT_HEAD,
 641                       "pixels-above-lines", 2,
 642                       "pixels-below-lines", 2,
 643                       NULL);
 644
 645         tag = theme_manager_init_tag_by_name (table, "fancy-line-top-self");
 646         g_object_set (tag,
 647                       "size", 1 * PANGO_SCALE,
 648                       "paragraph-background", ELEGANT_LINE,
 649                       NULL);
 650
 651         tag = theme_manager_init_tag_by_name (table, "fancy-line-bottom-self");
 652         g_object_set (tag,
 653                       "size", 1 * PANGO_SCALE,
 654                       NULL);
 655
 656         tag = theme_manager_init_tag_by_name (table, "fancy-action-self");
 657         g_object_set (tag,
 658                       "foreground", "brown4",
 659                       "style", PANGO_STYLE_ITALIC,
 660                       NULL);
 661
 662         tag = theme_manager_init_tag_by_name (table, "fancy-highlight-self");
 663         g_object_set (tag,
 664                       "foreground", "black",
 665                       "weight", PANGO_WEIGHT_BOLD,
 666                       NULL);
 667
 668         tag = theme_manager_init_tag_by_name (table, "fancy-header-other");
 669         g_object_set (tag,
 670                       "foreground", "black",
 671                       "weight", PANGO_WEIGHT_BOLD,
 672                       "paragraph-background", ELEGANT_HEAD,
 673                       "pixels-above-lines", 2,
 674                       "pixels-below-lines", 2,
 675                       NULL);
 676
 677         tag = theme_manager_init_tag_by_name (table, "fancy-avatar-other");
 678         g_object_set (tag,
 679                       "paragraph-background", ELEGANT_HEAD,
 680                       "pixels-above-lines", 2,
 681                       "pixels-below-lines", 2,
 682                       NULL);
 683
 684         tag = theme_manager_init_tag_by_name (table, "fancy-line-top-other");
 685         g_object_set (tag,
 686                       "size", 1 * PANGO_SCALE,
 687                       "paragraph-background", ELEGANT_LINE,
 688                       NULL);
 689
 690         tag = theme_manager_init_tag_by_name (table, "fancy-line-bottom-other");
 691         g_object_set (tag,
 692                       "size", 1 * PANGO_SCALE,
 693                       NULL);
 694
 695         tag = theme_manager_init_tag_by_name (table, "fancy-action-other");
 696         g_object_set (tag,
 697                       "foreground", "brown4",
 698                       "style", PANGO_STYLE_ITALIC,
 699                       NULL);
 700
 701         tag = theme_manager_init_tag_by_name (table, "fancy-time");
 702         g_object_set (tag,
 703                       "foreground", "darkgrey",
 704                       "justification", GTK_JUSTIFY_CENTER,
 705                       NULL);
 706
 707         tag = theme_manager_init_tag_by_name (table, "fancy-event");
 708         g_object_set (tag,
 709                       "foreground", "darkgrey",
 710                       "justification", GTK_JUSTIFY_LEFT,
 711                       NULL);
 712
 713         tag = theme_manager_init_tag_by_name (table, "fancy-invite");
 714         g_object_set (tag,
 715                       "foreground", "sienna",
 716                       NULL);
 717
 718         tag = theme_manager_init_tag_by_name (table, "fancy-link");
 719         g_object_set (tag,
 720                       "foreground", "#49789e",
 721                       "underline", PANGO_UNDERLINE_SINGLE,
 722                       NULL);
 723 }
 724
 725 static void
 726 theme_manager_apply_theme_blue (GossipThemeManager *manager,
 727                                 GossipChatView     *view)
 728 {
 729         GossipThemeManagerPriv *priv;
 730         GtkTextBuffer          *buffer;
 731         GtkTextTagTable        *table;
 732         GtkTextTag             *tag;
 733
 734         priv = GET_PRIV (manager);
 735
 736         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
 737         table = gtk_text_buffer_get_tag_table (buffer);
 738
 739         priv->irc_style = FALSE;
 740
 741 #define BLUE_BODY_SELF "#dcdcdc"
 742 #define BLUE_HEAD_SELF "#b9b9b9"
 743 #define BLUE_LINE_SELF "#aeaeae"
 744
 745 #define BLUE_BODY_OTHER "#adbdc8"
 746 #define BLUE_HEAD_OTHER "#88a2b4"
 747 #define BLUE_LINE_OTHER "#7f96a4"
 748
 749         tag = theme_manager_init_tag_by_name (table, "fancy-spacing");
 750         g_object_set (tag,
 751                       "size", 3000,
 752                       NULL);
 753         theme_manager_add_tag (table, tag);
 754
 755         tag = theme_manager_init_tag_by_name (table, "fancy-header-self");
 756         g_object_set (tag,
 757                       "foreground", "black",
 758                       "paragraph-background", BLUE_HEAD_SELF,
 759                       "weight", PANGO_WEIGHT_BOLD,
 760                       "pixels-above-lines", 2,
 761                       "pixels-below-lines", 2,
 762                       NULL);
 763         theme_manager_add_tag (table, tag);
 764
 765         tag = theme_manager_init_tag_by_name (table, "fancy-header-self-avatar");
 766         theme_manager_add_tag (table, tag);
 767
 768         tag = theme_manager_init_tag_by_name (table, "fancy-avatar-self");
 769         g_object_set (tag,
 770                       "paragraph-background", BLUE_HEAD_SELF,
 771                       NULL);
 772         theme_manager_add_tag (table, tag);
 773
 774         tag = theme_manager_init_tag_by_name (table, "fancy-line-top-self");
 775         g_object_set (tag,
 776                       "size", 1,
 777                       "paragraph-background", BLUE_LINE_SELF,
 778                       NULL);
 779         theme_manager_add_tag (table, tag);
 780
 781         tag = theme_manager_init_tag_by_name (table, "fancy-line-bottom-self");
 782         g_object_set (tag,
 783                       "size", 1,
 784                       "paragraph-background", BLUE_LINE_SELF,
 785                       NULL);
 786         theme_manager_add_tag (table, tag);
 787
 788         tag = theme_manager_init_tag_by_name (table, "fancy-body-self");
 789         g_object_set (tag,
 790                       "foreground", "black",
 791                       "paragraph-background", BLUE_BODY_SELF,
 792                       "pixels-above-lines", 4,
 793                       NULL);
 794         theme_manager_add_tag (table, tag);
 795
 796         tag = theme_manager_init_tag_by_name (table, "fancy-action-self");
 797         g_object_set (tag,
 798                       "foreground", "brown4",
 799                       "style", PANGO_STYLE_ITALIC,
 800                       "paragraph-background", BLUE_BODY_SELF,
 801                       "pixels-above-lines", 4,
 802                       NULL);
 803         theme_manager_add_tag (table, tag);
 804
 805         tag = theme_manager_init_tag_by_name (table, "fancy-highlight-self");
 806         g_object_set (tag,
 807                       "foreground", "black",
 808                       "weight", PANGO_WEIGHT_BOLD,
 809                       "paragraph-background", BLUE_BODY_SELF,
 810                       "pixels-above-lines", 4,
 811                       NULL);
 812         theme_manager_add_tag (table, tag);
 813
 814         tag = theme_manager_init_tag_by_name (table, "fancy-header-other");
 815         g_object_set (tag,
 816                       "foreground", "black",
 817                       "paragraph-background", BLUE_HEAD_OTHER,
 818                       "weight", PANGO_WEIGHT_BOLD,
 819                       "pixels-above-lines", 2,
 820                       "pixels-below-lines", 2,
 821                       NULL);
 822         theme_manager_add_tag (table, tag);
 823
 824         tag = theme_manager_init_tag_by_name (table, "fancy-header-other-avatar");
 825         theme_manager_add_tag (table, tag);
 826
 827         tag = theme_manager_init_tag_by_name (table, "fancy-avatar-other");
 828         g_object_set (tag,
 829                       "paragraph-background", BLUE_HEAD_OTHER,
 830                       NULL);
 831         theme_manager_add_tag (table, tag);
 832
 833         tag = theme_manager_init_tag_by_name (table, "fancy-line-top-other");
 834         g_object_set (tag,
 835                       "size", 1,
 836                       "paragraph-background", BLUE_LINE_OTHER,
 837                       NULL);
 838         theme_manager_add_tag (table, tag);
 839
 840         tag = theme_manager_init_tag_by_name (table, "fancy-line-bottom-other");
 841         g_object_set (tag,
 842                       "size", 1,
 843                       "paragraph-background", BLUE_LINE_OTHER,
 844                       NULL);
 845         theme_manager_add_tag (table, tag);
 846
 847         tag = theme_manager_init_tag_by_name (table, "fancy-body-other");
 848         g_object_set (tag,
 849                       "foreground", "black",
 850                       "paragraph-background", BLUE_BODY_OTHER,
 851                       "pixels-above-lines", 4,
 852                       NULL);
 853         theme_manager_add_tag (table, tag);
 854
 855         tag = theme_manager_init_tag_by_name (table, "fancy-action-other");
 856         g_object_set (tag,
 857                       "foreground", "brown4",
 858                       "style", PANGO_STYLE_ITALIC,
 859                       "paragraph-background", BLUE_BODY_OTHER,
 860                       "pixels-above-lines", 4,
 861                       NULL);
 862         theme_manager_add_tag (table, tag);
 863
 864         tag = theme_manager_init_tag_by_name (table, "fancy-highlight-other");
 865         g_object_set (tag,
 866                       "foreground", "black",
 867                       "weight", PANGO_WEIGHT_BOLD,
 868                       "paragraph-background", BLUE_BODY_OTHER,
 869                       "pixels-above-lines", 4,
 870                       NULL);
 871         theme_manager_add_tag (table, tag);
 872
 873         tag = theme_manager_init_tag_by_name (table, "fancy-time");
 874         g_object_set (tag,
 875                       "foreground", "darkgrey",
 876                       "justification", GTK_JUSTIFY_CENTER,
 877                       NULL);
 878         theme_manager_add_tag (table, tag);
 879
 880         tag = theme_manager_init_tag_by_name (table, "fancy-event");
 881         g_object_set (tag,
 882                       "foreground", BLUE_LINE_OTHER,
 883                       "justification", GTK_JUSTIFY_LEFT,
 884                       NULL);
 885         theme_manager_add_tag (table, tag);
 886
 887         tag = theme_manager_init_tag_by_name (table, "fancy-invite");
 888         g_object_set (tag,
 889                       "foreground", "sienna",
 890                       NULL);
 891         theme_manager_add_tag (table, tag);
 892
 893         tag = theme_manager_init_tag_by_name (table, "fancy-link");
 894         g_object_set (tag,
 895                       "foreground", "#49789e",
 896                       "underline", PANGO_UNDERLINE_SINGLE,
 897                       NULL);
 898         theme_manager_add_tag (table, tag);
 899 }
 900
 901 static void
 902 theme_manager_apply_theme (GossipThemeManager *manager,
 903                            GossipChatView     *view,
 904                            const gchar        *name)
 905 {
 906         GossipThemeManagerPriv *priv;
 907         gint                    margin;
 908
 909         priv = GET_PRIV (manager);
 910
 911         /* Make sure all tags are present. Note: not useful now but when we have
 912          * user defined theme it will be.
 913          */
 914         theme_manager_fixup_tag_table (manager, view);
 915
 916         if (theme_manager_ensure_theme_exists (name)) {
 917                 if (strcmp (name, "clean") == 0) {
 918                         theme_manager_apply_theme_clean (manager, view);
 919                         margin = 3;
 920                 }
 921                 else if (strcmp (name, "simple") == 0) {
 922                         theme_manager_apply_theme_simple (manager, view);
 923                         margin = 3;
 924                 }
 925                 else if (strcmp (name, "blue") == 0) {
 926                         theme_manager_apply_theme_blue (manager, view);
 927                         margin = 0;
 928                 } else {
 929                         theme_manager_apply_theme_classic (manager, view);
 930                         margin = 3;
 931                 }
 932         } else {
 933                 theme_manager_apply_theme_classic (manager, view);
 934                 margin = 3;
 935         }
 936
 937         gossip_chat_view_set_margin (view, margin);
 938         gossip_chat_view_set_irc_style (view, priv->irc_style);
 939 }
 940
 941 GossipThemeManager *
 942 gossip_theme_manager_get (void)
 943 {
 944         static GossipThemeManager *manager = NULL;
 945
 946         if (!manager) {
 947                 manager = g_object_new (GOSSIP_TYPE_THEME_MANAGER, NULL);
 948         }
 949
 950         return manager;
 951 }
 952
 953 const gchar **
 954 gossip_theme_manager_get_themes (void)
 955 {
 956         return themes;
 957 }
 958
 959 void
 960 gossip_theme_manager_apply (GossipThemeManager *manager,
 961                             GossipChatView     *view,
 962                             const gchar        *name)
 963 {
 964         GossipThemeManagerPriv *priv;
 965
 966         priv = GET_PRIV (manager);
 967
 968         theme_manager_apply_theme (manager, view, name);
 969 }
 970
 971 void
 972 gossip_theme_manager_apply_saved (GossipThemeManager *manager,
 973                                   GossipChatView     *view)
 974 {
 975         GossipThemeManagerPriv *priv;
 976
 977         priv = GET_PRIV (manager);
 978
 979         theme_manager_apply_theme (manager, view, priv->name);
 980 }
 981
 982 /* FIXME: A bit ugly. We should probably change the scheme so that instead of
 983  * the manager signalling, views are registered and applied to automatically.
 984  */
 985 void
 986 gossip_theme_manager_update_show_avatars (GossipThemeManager *manager,
 987                                           GossipChatView     *view,
 988                                           gboolean            show)
 989 {
 990         GossipThemeManagerPriv *priv;
 991         GtkTextBuffer          *buffer;
 992         GtkTextTagTable        *table;
 993         GtkTextTag             *tag_text_self, *tag_text_other;
 994         GtkTextTag             *tag_image_self, *tag_image_other;
 995
 996         priv = GET_PRIV (manager);
 997
 998         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
 999         table = gtk_text_buffer_get_tag_table (buffer);
1000
1001         tag_text_self = gtk_text_tag_table_lookup (table, "fancy-header-self-avatar");
1002         tag_text_other = gtk_text_tag_table_lookup (table, "fancy-header-other-avatar");
1003
1004         tag_image_self = gtk_text_tag_table_lookup (table, "fancy-avatar-self");
1005         tag_image_other = gtk_text_tag_table_lookup (table, "fancy-avatar-other");
1006
1007         if (!show) {
1008                 g_object_set (tag_text_self,
1009                               "rise", 0,
1010                               NULL);
1011                 g_object_set (tag_text_other,
1012                               "rise", 0,
1013                               NULL);
1014                 g_object_set (tag_image_self,
1015                               "invisible", TRUE,
1016                               NULL);
1017                 g_object_set (tag_image_other,
1018                               "invisible", TRUE,
1019                               NULL);
1020         } else {
1021                 GtkTextAttributes *attrs;
1022                 gint               size;
1023                 gint               rise;
1024
1025                 attrs = gtk_text_view_get_default_attributes (GTK_TEXT_VIEW (view));
1026                 size = pango_font_description_get_size (attrs->font);
1027                 rise = MAX (0, (32 * PANGO_SCALE - size) / 2.0);
1028
1029                 g_object_set (tag_text_self,
1030                               "rise", rise,
1031                               NULL);
1032                 g_object_set (tag_text_other,
1033                               "rise", rise,
1034                               NULL);
1035                 g_object_set (tag_image_self,
1036                               "invisible", FALSE,
1037                               NULL);
1038                 g_object_set (tag_image_other,
1039                               "invisible", FALSE,
1040                               NULL);
1041
1042                 gtk_text_attributes_unref (attrs);
1043         }
1044 }
1045