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