libempathy-gtk/empathy-chat-view.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2002-2007 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: Mikael Hallendal <micke@imendio.com>
  21  *          Richard Hult <richard@imendio.com>
  22  *          Martyn Russell <martyn@imendio.com>
  23  */
  24
  25 #include "config.h"
  26
  27 #include <sys/types.h>
  28 #include <string.h>
  29 #include <time.h>
  30
  31 #include <glib/gi18n.h>
  32 #include <gtk/gtkbutton.h>
  33 #include <gtk/gtkimage.h>
  34 #include <gtk/gtkmenu.h>
  35 #include <gtk/gtkmenuitem.h>
  36 #include <gtk/gtkimagemenuitem.h>
  37 #include <gtk/gtkstock.h>
  38 #include <gtk/gtkscrolledwindow.h>
  39 #include <gtk/gtksizegroup.h>
  40 #include <glade/glade.h>
  41
  42 #include <telepathy-glib/util.h>
  43 #include <libmissioncontrol/mc-account.h>
  44
  45 #include <libempathy/empathy-utils.h>
  46 #include <libempathy/empathy-debug.h>
  47 #include <libempathy/empathy-conf.h>
  48
  49 #include "empathy-chat-view.h"
  50 #include "empathy-chat.h"
  51 #include "empathy-preferences.h"
  52 #include "empathy-theme-manager.h"
  53 #include "empathy-ui-utils.h"
  54 #include "empathy-smiley-manager.h"
  55
  56 #define DEBUG_DOMAIN "ChatView"
  57
  58 /* Number of seconds between timestamps when using normal mode, 5 minutes. */
  59 #define TIMESTAMP_INTERVAL 300
  60
  61 #define MAX_LINES 800
  62 #define MAX_SCROLL_TIME 0.4 /* seconds */
  63 #define SCROLL_DELAY 33     /* milliseconds */
  64
  65 #define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EMPATHY_TYPE_CHAT_VIEW, EmpathyChatViewPriv))
  66
  67 struct _EmpathyChatViewPriv {
  68         GtkTextBuffer *buffer;
  69
  70         EmpathyTheme   *theme;
  71         gpointer       theme_context;
  72
  73         time_t         last_timestamp;
  74         BlockType      last_block_type;
  75
  76         gboolean       allow_scrolling;
  77         guint          scroll_timeout;
  78         GTimer        *scroll_time;
  79         gboolean       is_group_chat;
  80
  81         GtkTextMark   *find_mark_previous;
  82         GtkTextMark   *find_mark_next;
  83         gboolean       find_wrapped;
  84         gboolean       find_last_direction;
  85
  86         /* This is for the group chat so we know if the "other" last contact
  87          * changed, so we know whether to insert a header or not.
  88          */
  89         EmpathyContact *last_contact;
  90
  91         guint          notify_system_fonts_id;
  92         guint          notify_show_avatars_id;
  93 };
  94
  95 static void     empathy_chat_view_class_init          (EmpathyChatViewClass      *klass);
  96 static void     empathy_chat_view_init                (EmpathyChatView           *view);
  97 static void     chat_view_finalize                   (GObject                  *object);
  98 static gboolean chat_view_drag_motion                (GtkWidget                *widget,
  99                                                       GdkDragContext           *context,
 100                                                       gint                      x,
 101                                                       gint                      y,
 102                                                       guint                     time);
 103 static void     chat_view_size_allocate              (GtkWidget                *widget,
 104                                                       GtkAllocation            *alloc);
 105 static void     chat_view_setup_tags                 (EmpathyChatView           *view);
 106 static void     chat_view_system_font_update         (EmpathyChatView           *view);
 107 static void     chat_view_notify_system_font_cb      (EmpathyConf               *conf,
 108                                                       const gchar              *key,
 109                                                       gpointer                  user_data);
 110 static void     chat_view_notify_show_avatars_cb     (EmpathyConf               *conf,
 111                                                       const gchar              *key,
 112                                                       gpointer                  user_data);
 113 static void     chat_view_populate_popup             (EmpathyChatView           *view,
 114                                                       GtkMenu                  *menu,
 115                                                       gpointer                  user_data);
 116 static gboolean chat_view_event_cb                   (EmpathyChatView           *view,
 117                                                       GdkEventMotion           *event,
 118                                                       GtkTextTag               *tag);
 119 static gboolean chat_view_url_event_cb               (GtkTextTag               *tag,
 120                                                       GObject                  *object,
 121                                                       GdkEvent                 *event,
 122                                                       GtkTextIter              *iter,
 123                                                       GtkTextBuffer            *buffer);
 124 static void     chat_view_open_address_cb            (GtkMenuItem              *menuitem,
 125                                                       const gchar              *url);
 126 static void     chat_view_copy_address_cb            (GtkMenuItem              *menuitem,
 127                                                       const gchar              *url);
 128 static void     chat_view_clear_view_cb              (GtkMenuItem              *menuitem,
 129                                                       EmpathyChatView           *view);
 130 static gboolean chat_view_is_scrolled_down           (EmpathyChatView           *view);
 131 static void     chat_view_theme_changed_cb           (EmpathyThemeManager       *manager,
 132                                                       EmpathyChatView           *view);
 133 static void     chat_view_theme_updated_cb           (EmpathyTheme              *theme,
 134                                                       EmpathyChatView           *view);
 135
 136 G_DEFINE_TYPE (EmpathyChatView, empathy_chat_view, GTK_TYPE_TEXT_VIEW);
 137
 138 static void
 139 empathy_chat_view_class_init (EmpathyChatViewClass *klass)
 140 {
 141         GObjectClass   *object_class = G_OBJECT_CLASS (klass);
 142         GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
 143
 144         object_class->finalize = chat_view_finalize;
 145         widget_class->size_allocate = chat_view_size_allocate;
 146         widget_class->drag_motion = chat_view_drag_motion;
 147
 148         g_type_class_add_private (object_class, sizeof (EmpathyChatViewPriv));
 149 }
 150
 151 static void
 152 empathy_chat_view_init (EmpathyChatView *view)
 153 {
 154         EmpathyChatViewPriv *priv;
 155         gboolean            show_avatars;
 156
 157         priv = GET_PRIV (view);
 158
 159         priv->buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
 160
 161         priv->last_block_type = BLOCK_TYPE_NONE;
 162         priv->last_timestamp = 0;
 163
 164         priv->allow_scrolling = TRUE;
 165
 166         priv->is_group_chat = FALSE;
 167
 168         g_object_set (view,
 169                       "wrap-mode", GTK_WRAP_WORD_CHAR,
 170                       "editable", FALSE,
 171                       "cursor-visible", FALSE,
 172                       NULL);
 173
 174         priv->notify_system_fonts_id =
 175                 empathy_conf_notify_add (empathy_conf_get (),
 176                                          "/desktop/gnome/interface/document_font_name",
 177                                          chat_view_notify_system_font_cb,
 178                                          view);
 179         chat_view_system_font_update (view);
 180
 181         priv->notify_show_avatars_id =
 182                 empathy_conf_notify_add (empathy_conf_get (),
 183                                          EMPATHY_PREFS_UI_SHOW_AVATARS,
 184                                          chat_view_notify_show_avatars_cb,
 185                                          view);
 186
 187         chat_view_setup_tags (view);
 188
 189         empathy_theme_manager_apply_saved (empathy_theme_manager_get (), view);
 190
 191         show_avatars = FALSE;
 192         empathy_conf_get_bool (empathy_conf_get (),
 193                                EMPATHY_PREFS_UI_SHOW_AVATARS,
 194                                &show_avatars);
 195
 196         empathy_theme_set_show_avatars (priv->theme, show_avatars);
 197
 198         g_signal_connect (view,
 199                           "populate-popup",
 200                           G_CALLBACK (chat_view_populate_popup),
 201                           NULL);
 202
 203         g_signal_connect_object (empathy_theme_manager_get (),
 204                                  "theme-changed",
 205                                  G_CALLBACK (chat_view_theme_changed_cb),
 206                                  view,
 207                                  0);
 208 }
 209
 210 static void
 211 chat_view_finalize (GObject *object)
 212 {
 213         EmpathyChatView     *view;
 214         EmpathyChatViewPriv *priv;
 215
 216         view = EMPATHY_CHAT_VIEW (object);
 217         priv = GET_PRIV (view);
 218
 219         empathy_debug (DEBUG_DOMAIN, "finalize: %p", object);
 220
 221         empathy_conf_notify_remove (empathy_conf_get (), priv->notify_system_fonts_id);
 222         empathy_conf_notify_remove (empathy_conf_get (), priv->notify_show_avatars_id);
 223
 224         if (priv->last_contact) {
 225                 g_object_unref (priv->last_contact);
 226         }
 227         if (priv->scroll_time) {
 228                 g_timer_destroy (priv->scroll_time);
 229         }
 230         if (priv->scroll_timeout) {
 231                 g_source_remove (priv->scroll_timeout);
 232         }
 233
 234         if (priv->theme) {
 235                 g_signal_handlers_disconnect_by_func (priv->theme,
 236                                                       chat_view_theme_updated_cb,
 237                                                       view);
 238
 239                 empathy_theme_detach_from_view (priv->theme, priv->theme_context,
 240                                                view);
 241
 242                 g_object_unref (priv->theme);
 243         }
 244
 245         G_OBJECT_CLASS (empathy_chat_view_parent_class)->finalize (object);
 246 }
 247
 248 static gboolean
 249 chat_view_drag_motion (GtkWidget        *widget,
 250                        GdkDragContext   *context,
 251                        gint              x,
 252                        gint              y,
 253                        guint             time)
 254 {
 255         /* Don't handle drag motion, since we don't want the view to scroll as
 256          * the result of dragging something across it.
 257          */
 258
 259         return FALSE;
 260 }
 261
 262 static void
 263 chat_view_size_allocate (GtkWidget     *widget,
 264                          GtkAllocation *alloc)
 265 {
 266         gboolean down;
 267
 268         down = chat_view_is_scrolled_down (EMPATHY_CHAT_VIEW (widget));
 269
 270         GTK_WIDGET_CLASS (empathy_chat_view_parent_class)->size_allocate (widget, alloc);
 271
 272         if (down) {
 273                 GtkAdjustment *adj;
 274
 275                 adj = GTK_TEXT_VIEW (widget)->vadjustment;
 276                 gtk_adjustment_set_value (adj, adj->upper - adj->page_size);
 277         }
 278 }
 279
 280 static void
 281 chat_view_setup_tags (EmpathyChatView *view)
 282 {
 283         EmpathyChatViewPriv *priv;
 284         GtkTextTag         *tag;
 285
 286         priv = GET_PRIV (view);
 287
 288         gtk_text_buffer_create_tag (priv->buffer,
 289                                     "cut",
 290                                     NULL);
 291
 292         /* FIXME: Move to the theme and come up with something that looks a bit
 293          * nicer.
 294          */
 295         gtk_text_buffer_create_tag (priv->buffer,
 296                                     "highlight",
 297                                     "background", "yellow",
 298                                     NULL);
 299
 300         tag = gtk_text_buffer_create_tag (priv->buffer,
 301                                           "link",
 302                                           NULL);
 303
 304         g_signal_connect (tag,
 305                           "event",
 306                           G_CALLBACK (chat_view_url_event_cb),
 307                           priv->buffer);
 308
 309         g_signal_connect (view,
 310                           "motion-notify-event",
 311                           G_CALLBACK (chat_view_event_cb),
 312                           tag);
 313 }
 314
 315 static void
 316 chat_view_system_font_update (EmpathyChatView *view)
 317 {
 318         PangoFontDescription *font_description = NULL;
 319         gchar                *font_name;
 320
 321         if (empathy_conf_get_string (empathy_conf_get (),
 322                                      "/desktop/gnome/interface/document_font_name",
 323                                      &font_name) && font_name) {
 324                 font_description = pango_font_description_from_string (font_name);
 325                 g_free (font_name);
 326         } else {
 327                 font_description = NULL;
 328         }
 329
 330         gtk_widget_modify_font (GTK_WIDGET (view), font_description);
 331
 332         if (font_description) {
 333                 pango_font_description_free (font_description);
 334         }
 335 }
 336
 337 static void
 338 chat_view_notify_system_font_cb (EmpathyConf  *conf,
 339                                  const gchar *key,
 340                                  gpointer     user_data)
 341 {
 342         EmpathyChatView *view;
 343         EmpathyChatViewPriv *priv;
 344         gboolean        show_avatars = FALSE;
 345
 346         view = user_data;
 347         priv = GET_PRIV (view);
 348
 349         chat_view_system_font_update (view);
 350
 351         /* Ugly, again, to adjust the vertical position of the nick... Will fix
 352          * this when reworking the theme manager so that view register
 353          * themselves with it instead of the other way around.
 354          */
 355         empathy_conf_get_bool (conf,
 356                                EMPATHY_PREFS_UI_SHOW_AVATARS,
 357                                &show_avatars);
 358
 359         empathy_theme_set_show_avatars (priv->theme, show_avatars);
 360 }
 361
 362 static void
 363 chat_view_notify_show_avatars_cb (EmpathyConf  *conf,
 364                                   const gchar *key,
 365                                   gpointer     user_data)
 366 {
 367         EmpathyChatView     *view;
 368         EmpathyChatViewPriv *priv;
 369         gboolean            show_avatars = FALSE;
 370
 371         view = user_data;
 372         priv = GET_PRIV (view);
 373
 374         empathy_conf_get_bool (conf, key, &show_avatars);
 375
 376         empathy_theme_set_show_avatars (priv->theme, show_avatars);
 377 }
 378
 379 static void
 380 chat_view_populate_popup (EmpathyChatView *view,
 381                           GtkMenu        *menu,
 382                           gpointer        user_data)
 383 {
 384         EmpathyChatViewPriv *priv;
 385         GtkTextTagTable    *table;
 386         GtkTextTag         *tag;
 387         gint                x, y;
 388         GtkTextIter         iter, start, end;
 389         GtkWidget          *item;
 390         gchar              *str = NULL;
 391
 392         priv = GET_PRIV (view);
 393
 394         /* Clear menu item */
 395         if (gtk_text_buffer_get_char_count (priv->buffer) > 0) {
 396                 item = gtk_menu_item_new ();
 397                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 398                 gtk_widget_show (item);
 399
 400                 item = gtk_image_menu_item_new_from_stock (GTK_STOCK_CLEAR, NULL);
 401                 gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 402                 gtk_widget_show (item);
 403
 404                 g_signal_connect (item,
 405                                   "activate",
 406                                   G_CALLBACK (chat_view_clear_view_cb),
 407                                   view);
 408         }
 409
 410         /* Link context menu items */
 411         table = gtk_text_buffer_get_tag_table (priv->buffer);
 412         tag = gtk_text_tag_table_lookup (table, "link");
 413
 414         gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
 415
 416         gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view),
 417                                                GTK_TEXT_WINDOW_WIDGET,
 418                                                x, y,
 419                                                &x, &y);
 420
 421         gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view), &iter, x, y);
 422
 423         start = end = iter;
 424
 425         if (gtk_text_iter_backward_to_tag_toggle (&start, tag) &&
 426             gtk_text_iter_forward_to_tag_toggle (&end, tag)) {
 427                 str = gtk_text_buffer_get_text (priv->buffer,
 428                                                 &start, &end, FALSE);
 429         }
 430
 431         if (G_STR_EMPTY (str)) {
 432                 g_free (str);
 433                 return;
 434         }
 435
 436         /* NOTE: Set data just to get the string freed when not needed. */
 437         g_object_set_data_full (G_OBJECT (menu),
 438                                 "url", str,
 439                                 (GDestroyNotify) g_free);
 440
 441         item = gtk_menu_item_new ();
 442         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 443         gtk_widget_show (item);
 444
 445         item = gtk_menu_item_new_with_mnemonic (_("_Copy Link Address"));
 446         g_signal_connect (item,
 447                           "activate",
 448                           G_CALLBACK (chat_view_copy_address_cb),
 449                           str);
 450         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 451         gtk_widget_show (item);
 452
 453         item = gtk_menu_item_new_with_mnemonic (_("_Open Link"));
 454         g_signal_connect (item,
 455                           "activate",
 456                           G_CALLBACK (chat_view_open_address_cb),
 457                           str);
 458         gtk_menu_shell_prepend (GTK_MENU_SHELL (menu), item);
 459         gtk_widget_show (item);
 460 }
 461
 462 static gboolean
 463 chat_view_event_cb (EmpathyChatView *view,
 464                     GdkEventMotion *event,
 465                     GtkTextTag     *tag)
 466 {
 467         static GdkCursor  *hand = NULL;
 468         static GdkCursor  *beam = NULL;
 469         GtkTextWindowType  type;
 470         GtkTextIter        iter;
 471         GdkWindow         *win;
 472         gint               x, y, buf_x, buf_y;
 473
 474         type = gtk_text_view_get_window_type (GTK_TEXT_VIEW (view),
 475                                               event->window);
 476
 477         if (type != GTK_TEXT_WINDOW_TEXT) {
 478                 return FALSE;
 479         }
 480
 481         /* Get where the pointer really is. */
 482         win = gtk_text_view_get_window (GTK_TEXT_VIEW (view), type);
 483         if (!win) {
 484                 return FALSE;
 485         }
 486
 487         gdk_window_get_pointer (win, &x, &y, NULL);
 488
 489         /* Get the iter where the cursor is at */
 490         gtk_text_view_window_to_buffer_coords (GTK_TEXT_VIEW (view), type,
 491                                                x, y,
 492                                                &buf_x, &buf_y);
 493
 494         gtk_text_view_get_iter_at_location (GTK_TEXT_VIEW (view),
 495                                             &iter,
 496                                             buf_x, buf_y);
 497
 498         if (gtk_text_iter_has_tag (&iter, tag)) {
 499                 if (!hand) {
 500                         hand = gdk_cursor_new (GDK_HAND2);
 501                         beam = gdk_cursor_new (GDK_XTERM);
 502                 }
 503                 gdk_window_set_cursor (win, hand);
 504         } else {
 505                 if (!beam) {
 506                         beam = gdk_cursor_new (GDK_XTERM);
 507                 }
 508                 gdk_window_set_cursor (win, beam);
 509         }
 510
 511         return FALSE;
 512 }
 513
 514 static gboolean
 515 chat_view_url_event_cb (GtkTextTag    *tag,
 516                         GObject       *object,
 517                         GdkEvent      *event,
 518                         GtkTextIter   *iter,
 519                         GtkTextBuffer *buffer)
 520 {
 521         GtkTextIter  start, end;
 522         gchar       *str;
 523
 524         /* If the link is being selected, don't do anything. */
 525         gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
 526         if (gtk_text_iter_get_offset (&start) != gtk_text_iter_get_offset (&end)) {
 527                 return FALSE;
 528         }
 529
 530         if (event->type == GDK_BUTTON_RELEASE && event->button.button == 1) {
 531                 start = end = *iter;
 532
 533                 if (gtk_text_iter_backward_to_tag_toggle (&start, tag) &&
 534                     gtk_text_iter_forward_to_tag_toggle (&end, tag)) {
 535                         str = gtk_text_buffer_get_text (buffer,
 536                                                         &start,
 537                                                         &end,
 538                                                         FALSE);
 539
 540                         empathy_url_show (str);
 541                         g_free (str);
 542                 }
 543         }
 544
 545         return FALSE;
 546 }
 547
 548 static void
 549 chat_view_open_address_cb (GtkMenuItem *menuitem, const gchar *url)
 550 {
 551         empathy_url_show (url);
 552 }
 553
 554 static void
 555 chat_view_copy_address_cb (GtkMenuItem *menuitem, const gchar *url)
 556 {
 557         GtkClipboard *clipboard;
 558
 559         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
 560         gtk_clipboard_set_text (clipboard, url, -1);
 561
 562         clipboard = gtk_clipboard_get (GDK_SELECTION_PRIMARY);
 563         gtk_clipboard_set_text (clipboard, url, -1);
 564 }
 565
 566 static void
 567 chat_view_clear_view_cb (GtkMenuItem *menuitem, EmpathyChatView *view)
 568 {
 569         empathy_chat_view_clear (view);
 570 }
 571
 572 static gboolean
 573 chat_view_is_scrolled_down (EmpathyChatView *view)
 574 {
 575         GtkWidget *sw;
 576
 577         sw = gtk_widget_get_parent (GTK_WIDGET (view));
 578         if (GTK_IS_SCROLLED_WINDOW (sw)) {
 579                 GtkAdjustment *vadj;
 580
 581                 vadj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (sw));
 582
 583                 if (vadj->value + vadj->page_size / 2 < vadj->upper - vadj->page_size) {
 584                         return FALSE;
 585                 }
 586         }
 587
 588         return TRUE;
 589 }
 590
 591 static void
 592 chat_view_maybe_trim_buffer (EmpathyChatView *view)
 593 {
 594         EmpathyChatViewPriv *priv;
 595         GtkTextIter         top, bottom;
 596         gint                line;
 597         gint                remove;
 598         GtkTextTagTable    *table;
 599         GtkTextTag         *tag;
 600
 601         priv = GET_PRIV (view);
 602
 603         gtk_text_buffer_get_end_iter (priv->buffer, &bottom);
 604         line = gtk_text_iter_get_line (&bottom);
 605         if (line < MAX_LINES) {
 606                 return;
 607         }
 608
 609         remove = line - MAX_LINES;
 610         gtk_text_buffer_get_start_iter (priv->buffer, &top);
 611
 612         bottom = top;
 613         if (!gtk_text_iter_forward_lines (&bottom, remove)) {
 614                 return;
 615         }
 616
 617         /* Track backwords to a place where we can safely cut, we don't do it in
 618          * the middle of a tag.
 619          */
 620         table = gtk_text_buffer_get_tag_table (priv->buffer);
 621         tag = gtk_text_tag_table_lookup (table, "cut");
 622         if (!tag) {
 623                 return;
 624         }
 625
 626         if (!gtk_text_iter_forward_to_tag_toggle (&bottom, tag)) {
 627                 return;
 628         }
 629
 630         if (!gtk_text_iter_equal (&top, &bottom)) {
 631                 gtk_text_buffer_delete (priv->buffer, &top, &bottom);
 632         }
 633 }
 634
 635 static void
 636 chat_view_theme_changed_cb (EmpathyThemeManager *manager,
 637                             EmpathyChatView     *view)
 638 {
 639         EmpathyChatViewPriv *priv;
 640         gboolean            show_avatars = FALSE;
 641         gboolean            theme_rooms = FALSE;
 642
 643         priv = GET_PRIV (view);
 644
 645         priv->last_block_type = BLOCK_TYPE_NONE;
 646
 647         empathy_conf_get_bool (empathy_conf_get (),
 648                               EMPATHY_PREFS_CHAT_THEME_CHAT_ROOM,
 649                               &theme_rooms);
 650         if (!theme_rooms && priv->is_group_chat) {
 651                 empathy_theme_manager_apply (manager, view, NULL);
 652         } else {
 653                 empathy_theme_manager_apply_saved (manager, view);
 654         }
 655
 656         /* Needed for now to update the "rise" property of the names to get it
 657          * vertically centered.
 658          */
 659         empathy_conf_get_bool (empathy_conf_get (),
 660                                EMPATHY_PREFS_UI_SHOW_AVATARS,
 661                                &show_avatars);
 662         empathy_theme_set_show_avatars (priv->theme, show_avatars);
 663 }
 664
 665 /* Pads a pixbuf to the specified size, by centering it in a larger transparent
 666  * pixbuf. Returns a new ref.
 667  */
 668 static GdkPixbuf *
 669 chat_view_pad_to_size (GdkPixbuf *pixbuf,
 670                        gint       width,
 671                        gint       height,
 672                        gint       extra_padding_right)
 673 {
 674         gint       src_width, src_height;
 675         GdkPixbuf *padded;
 676         gint       x_offset, y_offset;
 677
 678         src_width = gdk_pixbuf_get_width (pixbuf);
 679         src_height = gdk_pixbuf_get_height (pixbuf);
 680
 681         x_offset = (width - src_width) / 2;
 682         y_offset = (height - src_height) / 2;
 683
 684         padded = gdk_pixbuf_new (gdk_pixbuf_get_colorspace (pixbuf),
 685                                  TRUE, /* alpha */
 686                                  gdk_pixbuf_get_bits_per_sample (pixbuf),
 687                                  width + extra_padding_right,
 688                                  height);
 689
 690         gdk_pixbuf_fill (padded, 0);
 691
 692         gdk_pixbuf_copy_area (pixbuf,
 693                               0, /* source coords */
 694                               0,
 695                               src_width,
 696                               src_height,
 697                               padded,
 698                               x_offset, /* dest coords */
 699                               y_offset);
 700
 701         return padded;
 702 }
 703
 704 typedef struct {
 705         GdkPixbuf *pixbuf;
 706         gchar     *token;
 707 } AvatarData;
 708
 709 static void
 710 chat_view_avatar_cache_data_free (gpointer ptr)
 711 {
 712         AvatarData *data = ptr;
 713
 714         g_object_unref (data->pixbuf);
 715         g_free (data->token);
 716         g_slice_free (AvatarData, data);
 717 }
 718
 719 GdkPixbuf *
 720 empathy_chat_view_get_avatar_pixbuf_with_cache (EmpathyContact *contact)
 721 {
 722         static GHashTable *avatar_cache = NULL;
 723         AvatarData        *data;
 724         EmpathyAvatar     *avatar;
 725         GdkPixbuf         *tmp_pixbuf;
 726         GdkPixbuf         *pixbuf = NULL;
 727
 728         /* Init avatar cache */
 729         if (!avatar_cache) {
 730                 avatar_cache = g_hash_table_new_full (empathy_contact_hash,
 731                                                       empathy_contact_equal,
 732                                                       g_object_unref,
 733                                                       chat_view_avatar_cache_data_free);
 734         }
 735
 736         /* Check if avatar is in cache and if it's up to date */
 737         avatar = empathy_contact_get_avatar (contact);
 738         data = g_hash_table_lookup (avatar_cache, contact);
 739         if (data) {
 740                 if (avatar && !tp_strdiff (avatar->token, data->token)) {
 741                         /* We have the avatar in cache */
 742                         return data->pixbuf;
 743                 }
 744
 745                 /* The cache is outdate */
 746                 g_hash_table_remove (avatar_cache, contact);
 747         }
 748
 749         /* Avatar not in cache, create pixbuf */
 750         tmp_pixbuf = empathy_pixbuf_avatar_from_contact_scaled (contact, 32, 32);
 751         if (tmp_pixbuf) {
 752                 pixbuf = chat_view_pad_to_size (tmp_pixbuf, 32, 32, 6);
 753                 g_object_unref (tmp_pixbuf);
 754         }
 755         if (!pixbuf) {
 756                 return NULL;
 757         }
 758
 759         /* Insert new pixbuf in cache */
 760         data = g_slice_new0 (AvatarData);
 761         data->token = g_strdup (avatar->token);
 762         data->pixbuf = pixbuf;
 763
 764         g_hash_table_insert (avatar_cache,
 765                              g_object_ref (contact),
 766                              data);
 767
 768         return data->pixbuf;
 769 }
 770
 771 EmpathyChatView *
 772 empathy_chat_view_new (void)
 773 {
 774         return g_object_new (EMPATHY_TYPE_CHAT_VIEW, NULL);
 775 }
 776
 777 void
 778 empathy_chat_view_append_message (EmpathyChatView *view,
 779                                   EmpathyMessage  *msg)
 780 {
 781         EmpathyChatViewPriv *priv = GET_PRIV (view);
 782         EmpathyContact      *sender;
 783         gboolean             bottom;
 784         gboolean             from_self;
 785
 786         g_return_if_fail (EMPATHY_IS_CHAT_VIEW (view));
 787         g_return_if_fail (EMPATHY_IS_MESSAGE (msg));
 788
 789         if (!empathy_message_get_body (msg)) {
 790                 return;
 791         }
 792
 793         bottom = chat_view_is_scrolled_down (view);
 794         sender = empathy_message_get_sender (msg);
 795         from_self = empathy_contact_is_user (sender);
 796
 797         chat_view_maybe_trim_buffer (view);
 798
 799         empathy_theme_append_message (priv->theme, priv->theme_context,
 800                                       view, msg);
 801
 802         if (bottom) {
 803                 empathy_chat_view_scroll_down (view);
 804         }
 805 }
 806
 807 void
 808 empathy_chat_view_append_event (EmpathyChatView *view,
 809                                const gchar    *str)
 810 {
 811         EmpathyChatViewPriv *priv;
 812         gboolean            bottom;
 813
 814         g_return_if_fail (EMPATHY_IS_CHAT_VIEW (view));
 815         g_return_if_fail (!G_STR_EMPTY (str));
 816
 817         priv = GET_PRIV (view);
 818
 819         bottom = chat_view_is_scrolled_down (view);
 820
 821         chat_view_maybe_trim_buffer (view);
 822
 823         empathy_theme_append_event (priv->theme,
 824                                    priv->theme_context,
 825                                    view, str);
 826
 827         if (bottom) {
 828                 empathy_chat_view_scroll_down (view);
 829         }
 830
 831         priv->last_block_type = BLOCK_TYPE_EVENT;
 832 }
 833
 834 void
 835 empathy_chat_view_append_button (EmpathyChatView *view,
 836                                 const gchar    *message,
 837                                 GtkWidget      *button1,
 838                                 GtkWidget      *button2)
 839 {
 840         EmpathyChatViewPriv   *priv;
 841         GtkTextChildAnchor   *anchor;
 842         GtkTextIter           iter;
 843         gboolean              bottom;
 844         const gchar          *tag;
 845
 846         g_return_if_fail (EMPATHY_IS_CHAT_VIEW (view));
 847         g_return_if_fail (button1 != NULL);
 848
 849         priv = GET_PRIV (view);
 850
 851         tag = "invite";
 852
 853         bottom = chat_view_is_scrolled_down (view);
 854
 855         empathy_theme_append_timestamp (priv->theme, priv->theme_context,
 856                                        view, NULL,
 857                                        TRUE, TRUE);
 858
 859         if (message) {
 860                 empathy_theme_append_text (priv->theme, priv->theme_context,
 861                                           view, message, tag, NULL);
 862         }
 863
 864         gtk_text_buffer_get_end_iter (priv->buffer, &iter);
 865
 866         anchor = gtk_text_buffer_create_child_anchor (priv->buffer, &iter);
 867         gtk_text_view_add_child_at_anchor (GTK_TEXT_VIEW (view), button1, anchor);
 868         gtk_widget_show (button1);
 869
 870         gtk_text_buffer_insert_with_tags_by_name (priv->buffer,
 871                                                   &iter,
 872                                                   " ",
 873                                                   1,
 874                                                   tag,
 875                                                   NULL);
 876
 877         if (button2) {
 878                 gtk_text_buffer_get_end_iter (priv->buffer, &iter);
 879
 880                 anchor = gtk_text_buffer_create_child_anchor (priv->buffer, &iter);
 881                 gtk_text_view_add_child_at_anchor (GTK_TEXT_VIEW (view), button2, anchor);
 882                 gtk_widget_show (button2);
 883
 884                 gtk_text_buffer_insert_with_tags_by_name (priv->buffer,
 885                                                           &iter,
 886                                                           " ",
 887                                                           1,
 888                                                           tag,
 889                                                           NULL);
 890         }
 891
 892         gtk_text_buffer_get_end_iter (priv->buffer, &iter);
 893         gtk_text_buffer_insert_with_tags_by_name (priv->buffer,
 894                                                   &iter,
 895                                                   "\n\n",
 896                                                   2,
 897                                                   tag,
 898                                                   NULL);
 899
 900         if (bottom) {
 901                 empathy_chat_view_scroll_down (view);
 902         }
 903
 904         priv->last_block_type = BLOCK_TYPE_INVITE;
 905 }
 906
 907 void
 908 empathy_chat_view_scroll (EmpathyChatView *view,
 909                          gboolean        allow_scrolling)
 910 {
 911         EmpathyChatViewPriv *priv;
 912
 913         g_return_if_fail (EMPATHY_IS_CHAT_VIEW (view));
 914
 915         priv = GET_PRIV (view);
 916
 917         priv->allow_scrolling = allow_scrolling;
 918
 919         empathy_debug (DEBUG_DOMAIN, "Scrolling %s",
 920                       allow_scrolling ? "enabled" : "disabled");
 921 }
 922
 923 /* Code stolen from pidgin/gtkimhtml.c */
 924 static gboolean
 925 chat_view_scroll_cb (EmpathyChatView *view)
 926 {
 927         EmpathyChatViewPriv *priv;
 928         GtkAdjustment      *adj;
 929         gdouble             max_val;
 930
 931         priv = GET_PRIV (view);
 932         adj = GTK_TEXT_VIEW (view)->vadjustment;
 933         max_val = adj->upper - adj->page_size;
 934
 935         g_return_val_if_fail (priv->scroll_time != NULL, FALSE);
 936
 937         if (g_timer_elapsed (priv->scroll_time, NULL) > MAX_SCROLL_TIME) {
 938                 /* time's up. jump to the end and kill the timer */
 939                 gtk_adjustment_set_value (adj, max_val);
 940                 g_timer_destroy (priv->scroll_time);
 941                 priv->scroll_time = NULL;
 942                 priv->scroll_timeout = 0;
 943                 return FALSE;
 944         }
 945
 946         /* scroll by 1/3rd the remaining distance */
 947         gtk_adjustment_set_value (adj, gtk_adjustment_get_value (adj) + ((max_val - gtk_adjustment_get_value (adj)) / 3));
 948         return TRUE;
 949 }
 950
 951 void
 952 empathy_chat_view_scroll_down (EmpathyChatView *view)
 953 {
 954         EmpathyChatViewPriv *priv;
 955
 956         g_return_if_fail (EMPATHY_IS_CHAT_VIEW (view));
 957
 958         priv = GET_PRIV (view);
 959
 960         if (!priv->allow_scrolling) {
 961                 return;
 962         }
 963
 964         empathy_debug (DEBUG_DOMAIN, "Scrolling down");
 965
 966         if (priv->scroll_time) {
 967                 g_timer_reset (priv->scroll_time);
 968         } else {
 969                 priv->scroll_time = g_timer_new();
 970         }
 971         if (!priv->scroll_timeout) {
 972                 priv->scroll_timeout = g_timeout_add (SCROLL_DELAY,
 973                                                       (GSourceFunc) chat_view_scroll_cb,
 974                                                       view);
 975         }
 976 }
 977
 978 gboolean
 979 empathy_chat_view_get_selection_bounds (EmpathyChatView *view,
 980                                        GtkTextIter    *start,
 981                                        GtkTextIter    *end)
 982 {
 983         GtkTextBuffer *buffer;
 984
 985         g_return_val_if_fail (EMPATHY_IS_CHAT_VIEW (view), FALSE);
 986
 987         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
 988
 989         return gtk_text_buffer_get_selection_bounds (buffer, start, end);
 990 }
 991
 992 void
 993 empathy_chat_view_clear (EmpathyChatView *view)
 994 {
 995         GtkTextBuffer      *buffer;
 996         EmpathyChatViewPriv *priv;
 997
 998         g_return_if_fail (EMPATHY_IS_CHAT_VIEW (view));
 999
1000         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
1001         gtk_text_buffer_set_text (buffer, "", -1);
1002
1003         /* We set these back to the initial values so we get
1004          * timestamps when clearing the window to know when
1005          * conversations start.
1006          */
1007         priv = GET_PRIV (view);
1008
1009         empathy_theme_view_cleared (priv->theme, priv->theme_context, view);
1010
1011         priv->last_block_type = BLOCK_TYPE_NONE;
1012         priv->last_timestamp = 0;
1013 }
1014
1015 gboolean
1016 empathy_chat_view_find_previous (EmpathyChatView *view,
1017                                 const gchar    *search_criteria,
1018                                 gboolean        new_search)
1019 {
1020         EmpathyChatViewPriv *priv;
1021         GtkTextBuffer      *buffer;
1022         GtkTextIter         iter_at_mark;
1023         GtkTextIter         iter_match_start;
1024         GtkTextIter         iter_match_end;
1025         gboolean            found;
1026         gboolean            from_start = FALSE;
1027
1028         g_return_val_if_fail (EMPATHY_IS_CHAT_VIEW (view), FALSE);
1029         g_return_val_if_fail (search_criteria != NULL, FALSE);
1030
1031         priv = GET_PRIV (view);
1032
1033         buffer = priv->buffer;
1034
1035         if (G_STR_EMPTY (search_criteria)) {
1036                 if (priv->find_mark_previous) {
1037                         gtk_text_buffer_get_start_iter (buffer, &iter_at_mark);
1038
1039                         gtk_text_buffer_move_mark (buffer,
1040                                                    priv->find_mark_previous,
1041                                                    &iter_at_mark);
1042                         gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (view),
1043                                                       priv->find_mark_previous,
1044                                                       0.0,
1045                                                       TRUE,
1046                                                       0.0,
1047                                                       0.0);
1048                         gtk_text_buffer_select_range (buffer,
1049                                                       &iter_at_mark,
1050                                                       &iter_at_mark);
1051                 }
1052
1053                 return FALSE;
1054         }
1055
1056         if (new_search) {
1057                 from_start = TRUE;
1058         }
1059
1060         if (priv->find_mark_previous) {
1061                 gtk_text_buffer_get_iter_at_mark (buffer,
1062                                                   &iter_at_mark,
1063                                                   priv->find_mark_previous);
1064         } else {
1065                 gtk_text_buffer_get_end_iter (buffer, &iter_at_mark);
1066                 from_start = TRUE;
1067         }
1068
1069         priv->find_last_direction = FALSE;
1070
1071         found = empathy_text_iter_backward_search (&iter_at_mark,
1072                                                   search_criteria,
1073                                                   &iter_match_start,
1074                                                   &iter_match_end,
1075                                                   NULL);
1076
1077         if (!found) {
1078                 gboolean result = FALSE;
1079
1080                 if (from_start) {
1081                         return result;
1082                 }
1083
1084                 /* Here we wrap around. */
1085                 if (!new_search && !priv->find_wrapped) {
1086                         priv->find_wrapped = TRUE;
1087                         result = empathy_chat_view_find_previous (view,
1088                                                                  search_criteria,
1089                                                                  FALSE);
1090                         priv->find_wrapped = FALSE;
1091                 }
1092
1093                 return result;
1094         }
1095
1096         /* Set new mark and show on screen */
1097         if (!priv->find_mark_previous) {
1098                 priv->find_mark_previous = gtk_text_buffer_create_mark (buffer, NULL,
1099                                                                         &iter_match_start,
1100                                                                         TRUE);
1101         } else {
1102                 gtk_text_buffer_move_mark (buffer,
1103                                            priv->find_mark_previous,
1104                                            &iter_match_start);
1105         }
1106
1107         if (!priv->find_mark_next) {
1108                 priv->find_mark_next = gtk_text_buffer_create_mark (buffer, NULL,
1109                                                                     &iter_match_end,
1110                                                                     TRUE);
1111         } else {
1112                 gtk_text_buffer_move_mark (buffer,
1113                                            priv->find_mark_next,
1114                                            &iter_match_end);
1115         }
1116
1117         gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (view),
1118                                       priv->find_mark_previous,
1119                                       0.0,
1120                                       TRUE,
1121                                       0.5,
1122                                       0.5);
1123
1124         gtk_text_buffer_move_mark_by_name (buffer, "selection_bound", &iter_match_start);
1125         gtk_text_buffer_move_mark_by_name (buffer, "insert", &iter_match_end);
1126
1127         return TRUE;
1128 }
1129
1130 gboolean
1131 empathy_chat_view_find_next (EmpathyChatView *view,
1132                             const gchar    *search_criteria,
1133                             gboolean        new_search)
1134 {
1135         EmpathyChatViewPriv *priv;
1136         GtkTextBuffer      *buffer;
1137         GtkTextIter         iter_at_mark;
1138         GtkTextIter         iter_match_start;
1139         GtkTextIter         iter_match_end;
1140         gboolean            found;
1141         gboolean            from_start = FALSE;
1142
1143         g_return_val_if_fail (EMPATHY_IS_CHAT_VIEW (view), FALSE);
1144         g_return_val_if_fail (search_criteria != NULL, FALSE);
1145
1146         priv = GET_PRIV (view);
1147
1148         buffer = priv->buffer;
1149
1150         if (G_STR_EMPTY (search_criteria)) {
1151                 if (priv->find_mark_next) {
1152                         gtk_text_buffer_get_start_iter (buffer, &iter_at_mark);
1153
1154                         gtk_text_buffer_move_mark (buffer,
1155                                                    priv->find_mark_next,
1156                                                    &iter_at_mark);
1157                         gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (view),
1158                                                       priv->find_mark_next,
1159                                                       0.0,
1160                                                       TRUE,
1161                                                       0.0,
1162                                                       0.0);
1163                         gtk_text_buffer_select_range (buffer,
1164                                                       &iter_at_mark,
1165                                                       &iter_at_mark);
1166                 }
1167
1168                 return FALSE;
1169         }
1170
1171         if (new_search) {
1172                 from_start = TRUE;
1173         }
1174
1175         if (priv->find_mark_next) {
1176                 gtk_text_buffer_get_iter_at_mark (buffer,
1177                                                   &iter_at_mark,
1178                                                   priv->find_mark_next);
1179         } else {
1180                 gtk_text_buffer_get_start_iter (buffer, &iter_at_mark);
1181                 from_start = TRUE;
1182         }
1183
1184         priv->find_last_direction = TRUE;
1185
1186         found = empathy_text_iter_forward_search (&iter_at_mark,
1187                                                  search_criteria,
1188                                                  &iter_match_start,
1189                                                  &iter_match_end,
1190                                                  NULL);
1191
1192         if (!found) {
1193                 gboolean result = FALSE;
1194
1195                 if (from_start) {
1196                         return result;
1197                 }
1198
1199                 /* Here we wrap around. */
1200                 if (!new_search && !priv->find_wrapped) {
1201                         priv->find_wrapped = TRUE;
1202                         result = empathy_chat_view_find_next (view,
1203                                                              search_criteria,
1204                                                              FALSE);
1205                         priv->find_wrapped = FALSE;
1206                 }
1207
1208                 return result;
1209         }
1210
1211         /* Set new mark and show on screen */
1212         if (!priv->find_mark_next) {
1213                 priv->find_mark_next = gtk_text_buffer_create_mark (buffer, NULL,
1214                                                                &iter_match_end,
1215                                                                TRUE);
1216         } else {
1217                 gtk_text_buffer_move_mark (buffer,
1218                                            priv->find_mark_next,
1219                                            &iter_match_end);
1220         }
1221
1222         if (!priv->find_mark_previous) {
1223                 priv->find_mark_previous = gtk_text_buffer_create_mark (buffer, NULL,
1224                                                                         &iter_match_start,
1225                                                                         TRUE);
1226         } else {
1227                 gtk_text_buffer_move_mark (buffer,
1228                                            priv->find_mark_previous,
1229                                            &iter_match_start);
1230         }
1231
1232         gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (view),
1233                                       priv->find_mark_next,
1234                                       0.0,
1235                                       TRUE,
1236                                       0.5,
1237                                       0.5);
1238
1239         gtk_text_buffer_move_mark_by_name (buffer, "selection_bound", &iter_match_start);
1240         gtk_text_buffer_move_mark_by_name (buffer, "insert", &iter_match_end);
1241
1242         return TRUE;
1243 }
1244
1245
1246 void
1247 empathy_chat_view_find_abilities (EmpathyChatView *view,
1248                                  const gchar    *search_criteria,
1249                                  gboolean       *can_do_previous,
1250                                  gboolean       *can_do_next)
1251 {
1252         EmpathyChatViewPriv *priv;
1253         GtkTextBuffer      *buffer;
1254         GtkTextIter         iter_at_mark;
1255         GtkTextIter         iter_match_start;
1256         GtkTextIter         iter_match_end;
1257
1258         g_return_if_fail (EMPATHY_IS_CHAT_VIEW (view));
1259         g_return_if_fail (search_criteria != NULL);
1260         g_return_if_fail (can_do_previous != NULL && can_do_next != NULL);
1261
1262         priv = GET_PRIV (view);
1263
1264         buffer = priv->buffer;
1265
1266         if (can_do_previous) {
1267                 if (priv->find_mark_previous) {
1268                         gtk_text_buffer_get_iter_at_mark (buffer,
1269                                                           &iter_at_mark,
1270                                                           priv->find_mark_previous);
1271                 } else {
1272                         gtk_text_buffer_get_start_iter (buffer, &iter_at_mark);
1273                 }
1274
1275                 *can_do_previous = empathy_text_iter_backward_search (&iter_at_mark,
1276                                                                      search_criteria,
1277                                                                      &iter_match_start,
1278                                                                      &iter_match_end,
1279                                                                      NULL);
1280         }
1281
1282         if (can_do_next) {
1283                 if (priv->find_mark_next) {
1284                         gtk_text_buffer_get_iter_at_mark (buffer,
1285                                                           &iter_at_mark,
1286                                                           priv->find_mark_next);
1287                 } else {
1288                         gtk_text_buffer_get_start_iter (buffer, &iter_at_mark);
1289                 }
1290
1291                 *can_do_next = empathy_text_iter_forward_search (&iter_at_mark,
1292                                                                 search_criteria,
1293                                                                 &iter_match_start,
1294                                                                 &iter_match_end,
1295                                                                 NULL);
1296         }
1297 }
1298
1299 void
1300 empathy_chat_view_highlight (EmpathyChatView *view,
1301                              const gchar     *text)
1302 {
1303         GtkTextBuffer *buffer;
1304         GtkTextIter    iter;
1305         GtkTextIter    iter_start;
1306         GtkTextIter    iter_end;
1307         GtkTextIter    iter_match_start;
1308         GtkTextIter    iter_match_end;
1309         gboolean       found;
1310
1311         g_return_if_fail (EMPATHY_IS_CHAT_VIEW (view));
1312
1313         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
1314
1315         gtk_text_buffer_get_start_iter (buffer, &iter);
1316
1317         gtk_text_buffer_get_bounds (buffer, &iter_start, &iter_end);
1318         gtk_text_buffer_remove_tag_by_name (buffer, "highlight",
1319                                             &iter_start,
1320                                             &iter_end);
1321
1322         if (G_STR_EMPTY (text)) {
1323                 return;
1324         }
1325
1326         while (1) {
1327                 found = empathy_text_iter_forward_search (&iter,
1328                                                          text,
1329                                                          &iter_match_start,
1330                                                          &iter_match_end,
1331                                                          NULL);
1332
1333                 if (!found) {
1334                         break;
1335                 }
1336
1337                 gtk_text_buffer_apply_tag_by_name (buffer, "highlight",
1338                                                    &iter_match_start,
1339                                                    &iter_match_end);
1340
1341                 iter = iter_match_end;
1342                 gtk_text_iter_forward_char (&iter);
1343         }
1344 }
1345
1346 void
1347 empathy_chat_view_copy_clipboard (EmpathyChatView *view)
1348 {
1349         GtkTextBuffer *buffer;
1350         GtkClipboard  *clipboard;
1351
1352         g_return_if_fail (EMPATHY_IS_CHAT_VIEW (view));
1353
1354         buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
1355         clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
1356
1357         gtk_text_buffer_copy_clipboard (buffer, clipboard);
1358 }
1359
1360 EmpathyTheme *
1361 empathy_chat_view_get_theme (EmpathyChatView *view)
1362 {
1363         EmpathyChatViewPriv *priv;
1364
1365         g_return_val_if_fail (EMPATHY_IS_CHAT_VIEW (view), NULL);
1366
1367         priv = GET_PRIV (view);
1368
1369         return priv->theme;
1370 }
1371
1372 static void
1373 chat_view_theme_updated_cb (EmpathyTheme *theme, EmpathyChatView *view)
1374 {
1375         EmpathyChatViewPriv *priv;
1376
1377         priv = GET_PRIV (view);
1378
1379         empathy_theme_detach_from_view (priv->theme, priv->theme_context,
1380                                        view);
1381
1382         priv->theme_context = empathy_theme_setup_with_view (theme, view);
1383 }
1384
1385 void
1386 empathy_chat_view_set_theme (EmpathyChatView *view, EmpathyTheme *theme)
1387 {
1388         EmpathyChatViewPriv *priv;
1389
1390         g_return_if_fail (EMPATHY_IS_CHAT_VIEW (view));
1391         g_return_if_fail (EMPATHY_IS_THEME (theme));
1392
1393         priv = GET_PRIV (view);
1394
1395         if (priv->theme) {
1396                 g_signal_handlers_disconnect_by_func (priv->theme,
1397                                                       chat_view_theme_updated_cb,
1398                                                       view);
1399                 empathy_theme_detach_from_view (priv->theme, priv->theme_context,
1400                                                view);
1401
1402                 g_object_unref (priv->theme);
1403         }
1404
1405         priv->theme = g_object_ref (theme);
1406
1407         g_signal_connect (priv->theme,
1408                           "updated",
1409                           G_CALLBACK (chat_view_theme_updated_cb),
1410                           view);
1411
1412         priv->theme_context = empathy_theme_setup_with_view (theme, view);
1413
1414         /* FIXME: Possibly redraw the function and make it a property */
1415 }
1416
1417 void
1418 empathy_chat_view_set_margin (EmpathyChatView *view,
1419                              gint            margin)
1420 {
1421         EmpathyChatViewPriv *priv;
1422
1423         g_return_if_fail (EMPATHY_IS_CHAT_VIEW (view));
1424
1425         priv = GET_PRIV (view);
1426
1427         g_object_set (view,
1428                       "left-margin", margin,
1429                       "right-margin", margin,
1430                       NULL);
1431 }
1432
1433 GtkWidget *
1434 empathy_chat_view_get_smiley_menu (GCallback    callback,
1435                                    gpointer     user_data)
1436 {
1437         EmpathySmileyManager *smiley_manager;
1438         GSList               *smileys, *l;
1439         GtkWidget            *menu;
1440         gint                  x = 0;
1441         gint                  y = 0;
1442
1443         g_return_val_if_fail (callback != NULL, NULL);
1444
1445         menu = gtk_menu_new ();
1446
1447         smiley_manager = empathy_smiley_manager_new ();
1448         smileys = empathy_smiley_manager_get_all (smiley_manager);
1449         for (l = smileys; l; l = l->next) {
1450                 EmpathySmiley *smiley;
1451                 GtkWidget     *item;
1452                 GtkWidget     *image;
1453
1454                 smiley = l->data;
1455                 image = gtk_image_new_from_pixbuf (smiley->pixbuf);
1456
1457                 item = gtk_image_menu_item_new_with_label ("");
1458                 gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
1459
1460                 gtk_menu_attach (GTK_MENU (menu), item,
1461                                  x, x + 1, y, y + 1);
1462
1463                 gtk_widget_set_tooltip_text (item, smiley->str);
1464
1465                 g_object_set_data  (G_OBJECT (item), "smiley_text", smiley->str);
1466                 g_signal_connect (item, "activate", callback, user_data);
1467
1468                 if (x > 3) {
1469                         y++;
1470                         x = 0;
1471                 } else {
1472                         x++;
1473                 }
1474         }
1475         g_object_unref (smiley_manager);
1476
1477         gtk_widget_show_all (menu);
1478
1479         return menu;
1480 }
1481
1482 /* FIXME: Do we really need this? Better to do it internally only at setup time,
1483  * we will never change it on the fly.
1484  */
1485 void
1486 empathy_chat_view_set_is_group_chat (EmpathyChatView *view,
1487                                     gboolean        is_group_chat)
1488 {
1489         EmpathyChatViewPriv *priv;
1490         gboolean            theme_rooms = FALSE;
1491
1492         g_return_if_fail (EMPATHY_IS_CHAT_VIEW (view));
1493
1494         priv = GET_PRIV (view);
1495
1496         priv->is_group_chat = is_group_chat;
1497
1498         empathy_conf_get_bool (empathy_conf_get (),
1499                               EMPATHY_PREFS_CHAT_THEME_CHAT_ROOM,
1500                               &theme_rooms);
1501
1502         if (!theme_rooms && is_group_chat) {
1503                 empathy_theme_manager_apply (empathy_theme_manager_get (),
1504                                             view,
1505                                             NULL);
1506         } else {
1507                 empathy_theme_manager_apply_saved (empathy_theme_manager_get (),
1508                                                   view);
1509         }
1510 }
1511
1512 time_t
1513 empathy_chat_view_get_last_timestamp (EmpathyChatView *view)
1514 {
1515         EmpathyChatViewPriv *priv;
1516
1517         g_return_val_if_fail (EMPATHY_IS_CHAT_VIEW (view), 0);
1518
1519         priv = GET_PRIV (view);
1520
1521         return priv->last_timestamp;
1522 }
1523
1524 void
1525 empathy_chat_view_set_last_timestamp (EmpathyChatView *view,
1526                                      time_t          timestamp)
1527 {
1528         EmpathyChatViewPriv *priv;
1529
1530         g_return_if_fail (EMPATHY_IS_CHAT_VIEW (view));
1531
1532         priv = GET_PRIV (view);
1533
1534         priv->last_timestamp = timestamp;
1535 }
1536
1537 BlockType
1538 empathy_chat_view_get_last_block_type (EmpathyChatView *view)
1539 {
1540         EmpathyChatViewPriv *priv;
1541
1542         g_return_val_if_fail (EMPATHY_IS_CHAT_VIEW (view), 0);
1543
1544         priv = GET_PRIV (view);
1545
1546         return priv->last_block_type;
1547 }
1548
1549 void
1550 empathy_chat_view_set_last_block_type (EmpathyChatView *view,
1551                                       BlockType       block_type)
1552 {
1553         EmpathyChatViewPriv *priv;
1554
1555         g_return_if_fail (EMPATHY_IS_CHAT_VIEW (view));
1556
1557         priv = GET_PRIV (view);
1558
1559         priv->last_block_type = block_type;
1560 }
1561
1562 EmpathyContact *
1563 empathy_chat_view_get_last_contact (EmpathyChatView *view)
1564 {
1565         EmpathyChatViewPriv *priv;
1566
1567         g_return_val_if_fail (EMPATHY_IS_CHAT_VIEW (view), NULL);
1568
1569         priv = GET_PRIV (view);
1570
1571         return priv->last_contact;
1572 }
1573
1574 void
1575 empathy_chat_view_set_last_contact (EmpathyChatView *view, EmpathyContact *contact)
1576 {
1577         EmpathyChatViewPriv *priv;
1578
1579         g_return_if_fail (EMPATHY_IS_CHAT_VIEW (view));
1580
1581         priv = GET_PRIV (view);
1582
1583         if (priv->last_contact) {
1584                 g_object_unref (priv->last_contact);
1585                 priv->last_contact = NULL;
1586         }
1587
1588         if (contact) {
1589                 priv->last_contact = g_object_ref (contact);
1590         }
1591 }
1592