libempathy-gtk/empathy-ui-utils.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2002-2007 Imendio AB
   4  * Copyright (C) 2007-2008 Collabora Ltd.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public
  17  * License along with this program; if not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  *
  21  * Authors: Mikael Hallendal <micke@imendio.com>
  22  *          Richard Hult <richard@imendio.com>
  23  *          Martyn Russell <martyn@imendio.com>
  24  *          Xavier Claessens <xclaesse@gmail.com>
  25  *          Jonny Lamb <jonny.lamb@collabora.co.uk>
  26  *
  27  *          Part of this file is copied from GtkSourceView (gtksourceiter.c):
  28  *          Paolo Maggi
  29  *          Jeroen Zwartepoorte
  30  */
  31
  32 #include <config.h>
  33
  34 #include <string.h>
  35 #include <X11/Xatom.h>
  36 #include <gdk/gdkx.h>
  37 #include <glib/gi18n.h>
  38 #include <gtk/gtk.h>
  39 #include <gio/gio.h>
  40 #include <glade/glade.h>
  41
  42 #include <libmissioncontrol/mc-profile.h>
  43
  44 #include "empathy-ui-utils.h"
  45 #include "empathy-images.h"
  46
  47 #define DEBUG_FLAG EMPATHY_DEBUG_OTHER
  48 #include <libempathy/empathy-debug.h>
  49 #include <libempathy/empathy-utils.h>
  50 #include <libempathy/empathy-dispatcher.h>
  51
  52 struct SizeData {
  53         gint     width;
  54         gint     height;
  55         gboolean preserve_aspect_ratio;
  56 };
  57
  58 static GladeXML *
  59 get_glade_file (const gchar *filename,
  60                 const gchar *root,
  61                 const gchar *domain,
  62                 const gchar *first_required_widget,
  63                 va_list      args)
  64 {
  65         GladeXML   *gui;
  66         const char *name;
  67         GtkWidget **widget_ptr;
  68
  69         DEBUG ("Loading glade file %s", filename);
  70
  71         gui = glade_xml_new (filename, root, domain);
  72
  73         if (!gui) {
  74                 g_warning ("Couldn't find necessary glade file '%s'", filename);
  75         }
  76
  77         for (name = first_required_widget; name; name = va_arg (args, char *)) {
  78                 widget_ptr = va_arg (args, void *);
  79
  80                 *widget_ptr = glade_xml_get_widget (gui, name);
  81
  82                 if (!*widget_ptr) {
  83                         g_warning ("Glade file '%s' is missing widget '%s'.",
  84                                    filename, name);
  85                         continue;
  86                 }
  87         }
  88
  89         return gui;
  90 }
  91
  92 void
  93 empathy_glade_get_file_simple (const gchar *filename,
  94                               const gchar *root,
  95                               const gchar *domain,
  96                               const gchar *first_required_widget, ...)
  97 {
  98         va_list   args;
  99         GladeXML *gui;
 100
 101         va_start (args, first_required_widget);
 102
 103         gui = get_glade_file (filename,
 104                               root,
 105                               domain,
 106                               first_required_widget,
 107                               args);
 108
 109         va_end (args);
 110
 111         if (gui) {
 112                 g_object_unref (gui);
 113         }
 114 }
 115
 116 GladeXML *
 117 empathy_glade_get_file (const gchar *filename,
 118                        const gchar *root,
 119                        const gchar *domain,
 120                        const gchar *first_required_widget, ...)
 121 {
 122         va_list   args;
 123         GladeXML *gui;
 124
 125         va_start (args, first_required_widget);
 126
 127         gui = get_glade_file (filename,
 128                               root,
 129                               domain,
 130                               first_required_widget,
 131                               args);
 132
 133         va_end (args);
 134
 135         if (!gui) {
 136                 return NULL;
 137         }
 138
 139         return gui;
 140 }
 141
 142 void
 143 empathy_glade_connect (GladeXML *gui,
 144                       gpointer  user_data,
 145                       gchar     *first_widget, ...)
 146 {
 147         va_list      args;
 148         const gchar *name;
 149         const gchar *signal;
 150         GtkWidget   *widget;
 151         gpointer    *callback;
 152
 153         va_start (args, first_widget);
 154
 155         for (name = first_widget; name; name = va_arg (args, char *)) {
 156                 signal = va_arg (args, void *);
 157                 callback = va_arg (args, void *);
 158
 159                 widget = glade_xml_get_widget (gui, name);
 160                 if (!widget) {
 161                         g_warning ("Glade file is missing widget '%s', aborting",
 162                                    name);
 163                         continue;
 164                 }
 165
 166                 g_signal_connect (widget,
 167                                   signal,
 168                                   G_CALLBACK (callback),
 169                                   user_data);
 170         }
 171
 172         va_end (args);
 173 }
 174
 175 void
 176 empathy_glade_setup_size_group (GladeXML         *gui,
 177                                GtkSizeGroupMode  mode,
 178                                gchar            *first_widget, ...)
 179 {
 180         va_list       args;
 181         GtkWidget    *widget;
 182         GtkSizeGroup *size_group;
 183         const gchar  *name;
 184
 185         va_start (args, first_widget);
 186
 187         size_group = gtk_size_group_new (mode);
 188
 189         for (name = first_widget; name; name = va_arg (args, char *)) {
 190                 widget = glade_xml_get_widget (gui, name);
 191                 if (!widget) {
 192                         g_warning ("Glade file is missing widget '%s'", name);
 193                         continue;
 194                 }
 195
 196                 gtk_size_group_add_widget (size_group, widget);
 197         }
 198
 199         g_object_unref (size_group);
 200
 201         va_end (args);
 202 }
 203
 204 const gchar *
 205 empathy_icon_name_from_account (McAccount *account)
 206 {
 207         McProfile *profile;
 208
 209         profile = mc_account_get_profile (account);
 210
 211         return mc_profile_get_icon_name (profile);
 212 }
 213
 214 const gchar *
 215 empathy_icon_name_for_presence (McPresence presence)
 216 {
 217         switch (presence) {
 218         case MC_PRESENCE_AVAILABLE:
 219                 return EMPATHY_IMAGE_AVAILABLE;
 220         case MC_PRESENCE_DO_NOT_DISTURB:
 221                 return EMPATHY_IMAGE_BUSY;
 222         case MC_PRESENCE_AWAY:
 223                 return EMPATHY_IMAGE_AWAY;
 224         case MC_PRESENCE_EXTENDED_AWAY:
 225                 return EMPATHY_IMAGE_EXT_AWAY;
 226         case MC_PRESENCE_HIDDEN:
 227                 return EMPATHY_IMAGE_HIDDEN;
 228         case MC_PRESENCE_OFFLINE:
 229         case MC_PRESENCE_UNSET:
 230                 return EMPATHY_IMAGE_OFFLINE;
 231         default:
 232                 g_assert_not_reached ();
 233         }
 234
 235         return NULL;
 236 }
 237
 238 const gchar *
 239 empathy_icon_name_for_contact (EmpathyContact *contact)
 240 {
 241         McPresence presence;
 242
 243         g_return_val_if_fail (EMPATHY_IS_CONTACT (contact),
 244                               EMPATHY_IMAGE_OFFLINE);
 245
 246         presence = empathy_contact_get_presence (contact);
 247         return empathy_icon_name_for_presence (presence);
 248 }
 249
 250 GdkPixbuf *
 251 empathy_pixbuf_from_data (gchar *data,
 252                           gsize  data_size)
 253 {
 254         return empathy_pixbuf_from_data_and_mime (data, data_size, NULL);
 255 }
 256
 257 GdkPixbuf *
 258 empathy_pixbuf_from_data_and_mime (gchar  *data,
 259                                    gsize   data_size,
 260                                    gchar **mime_type)
 261 {
 262         GdkPixbufLoader *loader;
 263         GdkPixbufFormat *format;
 264         GdkPixbuf       *pixbuf = NULL;
 265         gchar          **mime_types;
 266         GError          *error = NULL;
 267
 268         if (!data) {
 269                 return NULL;
 270         }
 271
 272         loader = gdk_pixbuf_loader_new ();
 273         if (!gdk_pixbuf_loader_write (loader, data, data_size, &error)) {
 274                 DEBUG ("Failed to write to pixbuf loader: %s",
 275                         error ? error->message : "No error given");
 276                 goto out;
 277         }
 278         if (!gdk_pixbuf_loader_close (loader, &error)) {
 279                 DEBUG ("Failed to close pixbuf loader: %s",
 280                         error ? error->message : "No error given");
 281                 goto out;
 282         }
 283
 284         pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
 285         if (pixbuf) {
 286                 g_object_ref (pixbuf);
 287
 288                 if (mime_type != NULL) {
 289                         format = gdk_pixbuf_loader_get_format (loader);
 290                         mime_types = gdk_pixbuf_format_get_mime_types (format);
 291
 292                         *mime_type = g_strdup (*mime_types);
 293                         if (mime_types[1] != NULL) {
 294                                 DEBUG ("Loader supports more than one mime "
 295                                         "type! Picking the first one, %s",
 296                                         *mime_type);
 297                         }
 298                         g_strfreev (mime_types);
 299                 }
 300         }
 301
 302 out:
 303         g_clear_error (&error);
 304         g_object_unref (loader);
 305
 306         return pixbuf;
 307 }
 308
 309 static void
 310 pixbuf_from_avatar_size_prepared_cb (GdkPixbufLoader *loader,
 311                                      int              width,
 312                                      int              height,
 313                                      struct SizeData *data)
 314 {
 315         g_return_if_fail (width > 0 && height > 0);
 316
 317         if (data->preserve_aspect_ratio && (data->width > 0 || data->height > 0)) {
 318                 if (width < data->width && height < data->height) {
 319                         width = width;
 320                         height = height;
 321                 }
 322
 323                 if (data->width < 0) {
 324                         width = width * (double) data->height / (gdouble) height;
 325                         height = data->height;
 326                 } else if (data->height < 0) {
 327                         height = height * (double) data->width / (double) width;
 328                         width = data->width;
 329                 } else if ((double) height * (double) data->width >
 330                            (double) width * (double) data->height) {
 331                         width = 0.5 + (double) width * (double) data->height / (double) height;
 332                         height = data->height;
 333                 } else {
 334                         height = 0.5 + (double) height * (double) data->width / (double) width;
 335                         width = data->width;
 336                 }
 337         } else {
 338                 if (data->width > 0) {
 339                         width = data->width;
 340                 }
 341
 342                 if (data->height > 0) {
 343                         height = data->height;
 344                 }
 345         }
 346
 347         gdk_pixbuf_loader_set_size (loader, width, height);
 348 }
 349
 350 static void
 351 empathy_avatar_pixbuf_roundify (GdkPixbuf *pixbuf)
 352 {
 353         gint width, height, rowstride;
 354         guchar *pixels;
 355
 356         width = gdk_pixbuf_get_width (pixbuf);
 357         height = gdk_pixbuf_get_height (pixbuf);
 358         rowstride = gdk_pixbuf_get_rowstride (pixbuf);
 359         pixels = gdk_pixbuf_get_pixels (pixbuf);
 360
 361         if (width < 6 || height < 6) {
 362                 return;
 363         }
 364
 365         /* Top left */
 366         pixels[3] = 0;
 367         pixels[7] = 0x80;
 368         pixels[11] = 0xC0;
 369         pixels[rowstride + 3] = 0x80;
 370         pixels[rowstride * 2 + 3] = 0xC0;
 371
 372         /* Top right */
 373         pixels[width * 4 - 1] = 0;
 374         pixels[width * 4 - 5] = 0x80;
 375         pixels[width * 4 - 9] = 0xC0;
 376         pixels[rowstride + (width * 4) - 1] = 0x80;
 377         pixels[(2 * rowstride) + (width * 4) - 1] = 0xC0;
 378
 379         /* Bottom left */
 380         pixels[(height - 1) * rowstride + 3] = 0;
 381         pixels[(height - 1) * rowstride + 7] = 0x80;
 382         pixels[(height - 1) * rowstride + 11] = 0xC0;
 383         pixels[(height - 2) * rowstride + 3] = 0x80;
 384         pixels[(height - 3) * rowstride + 3] = 0xC0;
 385
 386         /* Bottom right */
 387         pixels[height * rowstride - 1] = 0;
 388         pixels[(height - 1) * rowstride - 1] = 0x80;
 389         pixels[(height - 2) * rowstride - 1] = 0xC0;
 390         pixels[height * rowstride - 5] = 0x80;
 391         pixels[height * rowstride - 9] = 0xC0;
 392 }
 393
 394 static gboolean
 395 empathy_gdk_pixbuf_is_opaque (GdkPixbuf *pixbuf)
 396 {
 397         gint width, height, rowstride, i;
 398         guchar *pixels;
 399         guchar *row;
 400
 401         width = gdk_pixbuf_get_width (pixbuf);
 402         height = gdk_pixbuf_get_height (pixbuf);
 403         rowstride = gdk_pixbuf_get_rowstride (pixbuf);
 404         pixels = gdk_pixbuf_get_pixels (pixbuf);
 405
 406         row = pixels;
 407         for (i = 3; i < rowstride; i+=4) {
 408                 if (row[i] < 0xfe) {
 409                         return FALSE;
 410                 }
 411         }
 412
 413         for (i = 1; i < height - 1; i++) {
 414                 row = pixels + (i*rowstride);
 415                 if (row[3] < 0xfe || row[rowstride-1] < 0xfe) {
 416                         return FALSE;
 417                 }
 418         }
 419
 420         row = pixels + ((height-1) * rowstride);
 421         for (i = 3; i < rowstride; i+=4) {
 422                 if (row[i] < 0xfe) {
 423                         return FALSE;
 424                 }
 425         }
 426
 427         return TRUE;
 428 }
 429
 430 GdkPixbuf *
 431 empathy_pixbuf_from_avatar_scaled (EmpathyAvatar *avatar,
 432                                   gint          width,
 433                                   gint          height)
 434 {
 435         GdkPixbuf        *pixbuf;
 436         GdkPixbufLoader  *loader;
 437         struct SizeData   data;
 438         GError           *error = NULL;
 439
 440         if (!avatar) {
 441                 return NULL;
 442         }
 443
 444         data.width = width;
 445         data.height = height;
 446         data.preserve_aspect_ratio = TRUE;
 447
 448         loader = gdk_pixbuf_loader_new ();
 449
 450         g_signal_connect (loader, "size-prepared",
 451                           G_CALLBACK (pixbuf_from_avatar_size_prepared_cb),
 452                           &data);
 453
 454         if (!gdk_pixbuf_loader_write (loader, avatar->data, avatar->len, &error)) {
 455                 g_warning ("Couldn't write avatar image:%p with "
 456                            "length:%" G_GSIZE_FORMAT " to pixbuf loader: %s",
 457                            avatar->data, avatar->len, error->message);
 458                 g_error_free (error);
 459                 return NULL;
 460         }
 461
 462         gdk_pixbuf_loader_close (loader, NULL);
 463
 464         pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
 465         if (!gdk_pixbuf_get_has_alpha (pixbuf)) {
 466                 GdkPixbuf *rounded_pixbuf;
 467
 468                 rounded_pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
 469                                                  gdk_pixbuf_get_width (pixbuf),
 470                                                  gdk_pixbuf_get_height (pixbuf));
 471                 gdk_pixbuf_copy_area (pixbuf, 0, 0,
 472                                       gdk_pixbuf_get_width (pixbuf),
 473                                       gdk_pixbuf_get_height (pixbuf),
 474                                       rounded_pixbuf,
 475                                       0, 0);
 476                 pixbuf = rounded_pixbuf;
 477         } else {
 478                 g_object_ref (pixbuf);
 479         }
 480
 481         if (empathy_gdk_pixbuf_is_opaque (pixbuf)) {
 482                 empathy_avatar_pixbuf_roundify (pixbuf);
 483         }
 484
 485         g_object_unref (loader);
 486
 487         return pixbuf;
 488 }
 489
 490 GdkPixbuf *
 491 empathy_pixbuf_avatar_from_contact_scaled (EmpathyContact *contact,
 492                                           gint           width,
 493                                           gint           height)
 494 {
 495         EmpathyAvatar *avatar;
 496
 497         g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
 498
 499         avatar = empathy_contact_get_avatar (contact);
 500
 501         return empathy_pixbuf_from_avatar_scaled (avatar, width, height);
 502 }
 503
 504 GdkPixbuf *
 505 empathy_pixbuf_scale_down_if_necessary (GdkPixbuf *pixbuf, gint max_size)
 506 {
 507         gint      width, height;
 508         gdouble   factor;
 509
 510         width = gdk_pixbuf_get_width (pixbuf);
 511         height = gdk_pixbuf_get_height (pixbuf);
 512
 513         if (width > 0 && (width > max_size || height > max_size)) {
 514                 factor = (gdouble) max_size / MAX (width, height);
 515
 516                 width = width * factor;
 517                 height = height * factor;
 518
 519                 return gdk_pixbuf_scale_simple (pixbuf,
 520                                                 width, height,
 521                                                 GDK_INTERP_HYPER);
 522         }
 523
 524         return g_object_ref (pixbuf);
 525 }
 526
 527 GdkPixbuf *
 528 empathy_pixbuf_from_icon_name (const gchar *icon_name,
 529                               GtkIconSize  icon_size)
 530 {
 531         GtkIconTheme  *theme;
 532         GdkPixbuf     *pixbuf = NULL;
 533         GError        *error = NULL;
 534         gint           w, h;
 535         gint           size = 48;
 536
 537         if (!icon_name) {
 538                 return NULL;
 539         }
 540
 541         theme = gtk_icon_theme_get_default ();
 542
 543         if (gtk_icon_size_lookup (icon_size, &w, &h)) {
 544                 size = (w + h) / 2;
 545         }
 546
 547         pixbuf = gtk_icon_theme_load_icon (theme,
 548                                            icon_name,
 549                                            size,
 550                                            0,
 551                                            &error);
 552         if (error) {
 553                 DEBUG ("Error loading icon: %s", error->message);
 554                 g_clear_error (&error);
 555         }
 556
 557         return pixbuf;
 558 }
 559
 560 /* Stolen from GtkSourceView, hence the weird intendation. Please keep it like
 561  * that to make it easier to apply changes from the original code.
 562  */
 563 #define GTK_TEXT_UNKNOWN_CHAR 0xFFFC
 564
 565 /* this function acts like g_utf8_offset_to_pointer() except that if it finds a
 566  * decomposable character it consumes the decomposition length from the given
 567  * offset.  So it's useful when the offset was calculated for the normalized
 568  * version of str, but we need a pointer to str itself. */
 569 static const gchar *
 570 pointer_from_offset_skipping_decomp (const gchar *str, gint offset)
 571 {
 572         gchar *casefold, *normal;
 573         const gchar *p, *q;
 574
 575         p = str;
 576         while (offset > 0)
 577         {
 578                 q = g_utf8_next_char (p);
 579                 casefold = g_utf8_casefold (p, q - p);
 580                 normal = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 581                 offset -= g_utf8_strlen (normal, -1);
 582                 g_free (casefold);
 583                 g_free (normal);
 584                 p = q;
 585         }
 586         return p;
 587 }
 588
 589 static const gchar *
 590 g_utf8_strcasestr (const gchar *haystack, const gchar *needle)
 591 {
 592         gsize needle_len;
 593         gsize haystack_len;
 594         const gchar *ret = NULL;
 595         gchar *p;
 596         gchar *casefold;
 597         gchar *caseless_haystack;
 598         gint i;
 599
 600         g_return_val_if_fail (haystack != NULL, NULL);
 601         g_return_val_if_fail (needle != NULL, NULL);
 602
 603         casefold = g_utf8_casefold (haystack, -1);
 604         caseless_haystack = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 605         g_free (casefold);
 606
 607         needle_len = g_utf8_strlen (needle, -1);
 608         haystack_len = g_utf8_strlen (caseless_haystack, -1);
 609
 610         if (needle_len == 0)
 611         {
 612                 ret = (gchar *)haystack;
 613                 goto finally_1;
 614         }
 615
 616         if (haystack_len < needle_len)
 617         {
 618                 ret = NULL;
 619                 goto finally_1;
 620         }
 621
 622         p = (gchar*)caseless_haystack;
 623         needle_len = strlen (needle);
 624         i = 0;
 625
 626         while (*p)
 627         {
 628                 if ((strncmp (p, needle, needle_len) == 0))
 629                 {
 630                         ret = pointer_from_offset_skipping_decomp (haystack, i);
 631                         goto finally_1;
 632                 }
 633
 634                 p = g_utf8_next_char (p);
 635                 i++;
 636         }
 637
 638 finally_1:
 639         g_free (caseless_haystack);
 640
 641         return ret;
 642 }
 643
 644 static gboolean
 645 g_utf8_caselessnmatch (const char *s1, const char *s2,
 646                        gssize n1, gssize n2)
 647 {
 648         gchar *casefold;
 649         gchar *normalized_s1;
 650         gchar *normalized_s2;
 651         gint len_s1;
 652         gint len_s2;
 653         gboolean ret = FALSE;
 654
 655         g_return_val_if_fail (s1 != NULL, FALSE);
 656         g_return_val_if_fail (s2 != NULL, FALSE);
 657         g_return_val_if_fail (n1 > 0, FALSE);
 658         g_return_val_if_fail (n2 > 0, FALSE);
 659
 660         casefold = g_utf8_casefold (s1, n1);
 661         normalized_s1 = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 662         g_free (casefold);
 663
 664         casefold = g_utf8_casefold (s2, n2);
 665         normalized_s2 = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 666         g_free (casefold);
 667
 668         len_s1 = strlen (normalized_s1);
 669         len_s2 = strlen (normalized_s2);
 670
 671         if (len_s1 < len_s2)
 672                 goto finally_2;
 673
 674         ret = (strncmp (normalized_s1, normalized_s2, len_s2) == 0);
 675
 676 finally_2:
 677         g_free (normalized_s1);
 678         g_free (normalized_s2);
 679
 680         return ret;
 681 }
 682
 683 static void
 684 forward_chars_with_skipping (GtkTextIter *iter,
 685                              gint         count,
 686                              gboolean     skip_invisible,
 687                              gboolean     skip_nontext,
 688                              gboolean     skip_decomp)
 689 {
 690         gint i;
 691
 692         g_return_if_fail (count >= 0);
 693
 694         i = count;
 695
 696         while (i > 0)
 697         {
 698                 gboolean ignored = FALSE;
 699
 700                 /* minimal workaround to avoid the infinite loop of bug #168247.
 701                  * It doesn't fix the problemjust the symptom...
 702                  */
 703                 if (gtk_text_iter_is_end (iter))
 704                         return;
 705
 706                 if (skip_nontext && gtk_text_iter_get_char (iter) == GTK_TEXT_UNKNOWN_CHAR)
 707                         ignored = TRUE;
 708
 709                 if (!ignored && skip_invisible &&
 710                     /* _gtk_text_btree_char_is_invisible (iter)*/ FALSE)
 711                         ignored = TRUE;
 712
 713                 if (!ignored && skip_decomp)
 714                 {
 715                         /* being UTF8 correct sucks; this accounts for extra
 716                            offsets coming from canonical decompositions of
 717                            UTF8 characters (e.g. accented characters) which
 718                            g_utf8_normalize() performs */
 719                         gchar *normal;
 720                         gchar buffer[6];
 721                         gint buffer_len;
 722
 723                         buffer_len = g_unichar_to_utf8 (gtk_text_iter_get_char (iter), buffer);
 724                         normal = g_utf8_normalize (buffer, buffer_len, G_NORMALIZE_NFD);
 725                         i -= (g_utf8_strlen (normal, -1) - 1);
 726                         g_free (normal);
 727                 }
 728
 729                 gtk_text_iter_forward_char (iter);
 730
 731                 if (!ignored)
 732                         --i;
 733         }
 734 }
 735
 736 static gboolean
 737 lines_match (const GtkTextIter *start,
 738              const gchar      **lines,
 739              gboolean           visible_only,
 740              gboolean           slice,
 741              GtkTextIter       *match_start,
 742              GtkTextIter       *match_end)
 743 {
 744         GtkTextIter next;
 745         gchar *line_text;
 746         const gchar *found;
 747         gint offset;
 748
 749         if (*lines == NULL || **lines == '\0')
 750         {
 751                 if (match_start)
 752                         *match_start = *start;
 753                 if (match_end)
 754                         *match_end = *start;
 755                 return TRUE;
 756         }
 757
 758         next = *start;
 759         gtk_text_iter_forward_line (&next);
 760
 761         /* No more text in buffer, but *lines is nonempty */
 762         if (gtk_text_iter_equal (start, &next))
 763                 return FALSE;
 764
 765         if (slice)
 766         {
 767                 if (visible_only)
 768                         line_text = gtk_text_iter_get_visible_slice (start, &next);
 769                 else
 770                         line_text = gtk_text_iter_get_slice (start, &next);
 771         }
 772         else
 773         {
 774                 if (visible_only)
 775                         line_text = gtk_text_iter_get_visible_text (start, &next);
 776                 else
 777                         line_text = gtk_text_iter_get_text (start, &next);
 778         }
 779
 780         if (match_start) /* if this is the first line we're matching */
 781         {
 782                 found = g_utf8_strcasestr (line_text, *lines);
 783         }
 784         else
 785         {
 786                 /* If it's not the first line, we have to match from the
 787                  * start of the line.
 788                  */
 789                 if (g_utf8_caselessnmatch (line_text, *lines, strlen (line_text),
 790                                            strlen (*lines)))
 791                         found = line_text;
 792                 else
 793                         found = NULL;
 794         }
 795
 796         if (found == NULL)
 797         {
 798                 g_free (line_text);
 799                 return FALSE;
 800         }
 801
 802         /* Get offset to start of search string */
 803         offset = g_utf8_strlen (line_text, found - line_text);
 804
 805         next = *start;
 806
 807         /* If match start needs to be returned, set it to the
 808          * start of the search string.
 809          */
 810         forward_chars_with_skipping (&next, offset, visible_only, !slice, FALSE);
 811         if (match_start)
 812         {
 813                 *match_start = next;
 814         }
 815
 816         /* Go to end of search string */
 817         forward_chars_with_skipping (&next, g_utf8_strlen (*lines, -1), visible_only, !slice, TRUE);
 818
 819         g_free (line_text);
 820
 821         ++lines;
 822
 823         if (match_end)
 824                 *match_end = next;
 825
 826         /* pass NULL for match_start, since we don't need to find the
 827          * start again.
 828          */
 829         return lines_match (&next, lines, visible_only, slice, NULL, match_end);
 830 }
 831
 832 /* strsplit () that retains the delimiter as part of the string. */
 833 static gchar **
 834 strbreakup (const char *string,
 835             const char *delimiter,
 836             gint        max_tokens)
 837 {
 838         GSList *string_list = NULL, *slist;
 839         gchar **str_array, *s, *casefold, *new_string;
 840         guint i, n = 1;
 841
 842         g_return_val_if_fail (string != NULL, NULL);
 843         g_return_val_if_fail (delimiter != NULL, NULL);
 844
 845         if (max_tokens < 1)
 846                 max_tokens = G_MAXINT;
 847
 848         s = strstr (string, delimiter);
 849         if (s)
 850         {
 851                 guint delimiter_len = strlen (delimiter);
 852
 853                 do
 854                 {
 855                         guint len;
 856
 857                         len = s - string + delimiter_len;
 858                         new_string = g_new (gchar, len + 1);
 859                         strncpy (new_string, string, len);
 860                         new_string[len] = 0;
 861                         casefold = g_utf8_casefold (new_string, -1);
 862                         g_free (new_string);
 863                         new_string = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 864                         g_free (casefold);
 865                         string_list = g_slist_prepend (string_list, new_string);
 866                         n++;
 867                         string = s + delimiter_len;
 868                         s = strstr (string, delimiter);
 869                 } while (--max_tokens && s);
 870         }
 871
 872         if (*string)
 873         {
 874                 n++;
 875                 casefold = g_utf8_casefold (string, -1);
 876                 new_string = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 877                 g_free (casefold);
 878                 string_list = g_slist_prepend (string_list, new_string);
 879         }
 880
 881         str_array = g_new (gchar*, n);
 882
 883         i = n - 1;
 884
 885         str_array[i--] = NULL;
 886         for (slist = string_list; slist; slist = slist->next)
 887                 str_array[i--] = slist->data;
 888
 889         g_slist_free (string_list);
 890
 891         return str_array;
 892 }
 893
 894 gboolean
 895 empathy_text_iter_forward_search (const GtkTextIter   *iter,
 896                                  const gchar         *str,
 897                                  GtkTextIter         *match_start,
 898                                  GtkTextIter         *match_end,
 899                                  const GtkTextIter   *limit)
 900 {
 901         gchar **lines = NULL;
 902         GtkTextIter match;
 903         gboolean retval = FALSE;
 904         GtkTextIter search;
 905         gboolean visible_only;
 906         gboolean slice;
 907
 908         g_return_val_if_fail (iter != NULL, FALSE);
 909         g_return_val_if_fail (str != NULL, FALSE);
 910
 911         if (limit && gtk_text_iter_compare (iter, limit) >= 0)
 912                 return FALSE;
 913
 914         if (*str == '\0') {
 915                 /* If we can move one char, return the empty string there */
 916                 match = *iter;
 917
 918                 if (gtk_text_iter_forward_char (&match)) {
 919                         if (limit && gtk_text_iter_equal (&match, limit)) {
 920                                 return FALSE;
 921                         }
 922
 923                         if (match_start) {
 924                                 *match_start = match;
 925                         }
 926                         if (match_end) {
 927                                 *match_end = match;
 928                         }
 929                         return TRUE;
 930                 } else {
 931                         return FALSE;
 932                 }
 933         }
 934
 935         visible_only = TRUE;
 936         slice = FALSE;
 937
 938         /* locate all lines */
 939         lines = strbreakup (str, "\n", -1);
 940
 941         search = *iter;
 942
 943         do {
 944                 /* This loop has an inefficient worst-case, where
 945                  * gtk_text_iter_get_text () is called repeatedly on
 946                  * a single line.
 947                  */
 948                 GtkTextIter end;
 949
 950                 if (limit && gtk_text_iter_compare (&search, limit) >= 0) {
 951                         break;
 952                 }
 953
 954                 if (lines_match (&search, (const gchar**)lines,
 955                                  visible_only, slice, &match, &end)) {
 956                         if (limit == NULL ||
 957                             (limit && gtk_text_iter_compare (&end, limit) <= 0)) {
 958                                 retval = TRUE;
 959
 960                                 if (match_start) {
 961                                         *match_start = match;
 962                                 }
 963                                 if (match_end) {
 964                                         *match_end = end;
 965                                 }
 966                         }
 967                         break;
 968                 }
 969         } while (gtk_text_iter_forward_line (&search));
 970
 971         g_strfreev ((gchar**)lines);
 972
 973         return retval;
 974 }
 975
 976 static const gchar *
 977 g_utf8_strrcasestr (const gchar *haystack, const gchar *needle)
 978 {
 979         gsize needle_len;
 980         gsize haystack_len;
 981         const gchar *ret = NULL;
 982         gchar *p;
 983         gchar *casefold;
 984         gchar *caseless_haystack;
 985         gint i;
 986
 987         g_return_val_if_fail (haystack != NULL, NULL);
 988         g_return_val_if_fail (needle != NULL, NULL);
 989
 990         casefold = g_utf8_casefold (haystack, -1);
 991         caseless_haystack = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
 992         g_free (casefold);
 993
 994         needle_len = g_utf8_strlen (needle, -1);
 995         haystack_len = g_utf8_strlen (caseless_haystack, -1);
 996
 997         if (needle_len == 0)
 998         {
 999                 ret = (gchar *)haystack;
1000                 goto finally_1;
1001         }
1002
1003         if (haystack_len < needle_len)
1004         {
1005                 ret = NULL;
1006                 goto finally_1;
1007         }
1008
1009         i = haystack_len - needle_len;
1010         p = g_utf8_offset_to_pointer (caseless_haystack, i);
1011         needle_len = strlen (needle);
1012
1013         while (p >= caseless_haystack)
1014         {
1015                 if (strncmp (p, needle, needle_len) == 0)
1016                 {
1017                         ret = pointer_from_offset_skipping_decomp (haystack, i);
1018                         goto finally_1;
1019                 }
1020
1021                 p = g_utf8_prev_char (p);
1022                 i--;
1023         }
1024
1025 finally_1:
1026         g_free (caseless_haystack);
1027
1028         return ret;
1029 }
1030
1031 static gboolean
1032 backward_lines_match (const GtkTextIter *start,
1033                       const gchar      **lines,
1034                       gboolean           visible_only,
1035                       gboolean           slice,
1036                       GtkTextIter       *match_start,
1037                       GtkTextIter       *match_end)
1038 {
1039         GtkTextIter line, next;
1040         gchar *line_text;
1041         const gchar *found;
1042         gint offset;
1043
1044         if (*lines == NULL || **lines == '\0')
1045         {
1046                 if (match_start)
1047                         *match_start = *start;
1048                 if (match_end)
1049                         *match_end = *start;
1050                 return TRUE;
1051         }
1052
1053         line = next = *start;
1054         if (gtk_text_iter_get_line_offset (&next) == 0)
1055         {
1056                 if (!gtk_text_iter_backward_line (&next))
1057                         return FALSE;
1058         }
1059         else
1060                 gtk_text_iter_set_line_offset (&next, 0);
1061
1062         if (slice)
1063         {
1064                 if (visible_only)
1065                         line_text = gtk_text_iter_get_visible_slice (&next, &line);
1066                 else
1067                         line_text = gtk_text_iter_get_slice (&next, &line);
1068         }
1069         else
1070         {
1071                 if (visible_only)
1072                         line_text = gtk_text_iter_get_visible_text (&next, &line);
1073                 else
1074                         line_text = gtk_text_iter_get_text (&next, &line);
1075         }
1076
1077         if (match_start) /* if this is the first line we're matching */
1078         {
1079                 found = g_utf8_strrcasestr (line_text, *lines);
1080         }
1081         else
1082         {
1083                 /* If it's not the first line, we have to match from the
1084                  * start of the line.
1085                  */
1086                 if (g_utf8_caselessnmatch (line_text, *lines, strlen (line_text),
1087                                            strlen (*lines)))
1088                         found = line_text;
1089                 else
1090                         found = NULL;
1091         }
1092
1093         if (found == NULL)
1094         {
1095                 g_free (line_text);
1096                 return FALSE;
1097         }
1098
1099         /* Get offset to start of search string */
1100         offset = g_utf8_strlen (line_text, found - line_text);
1101
1102         forward_chars_with_skipping (&next, offset, visible_only, !slice, FALSE);
1103
1104         /* If match start needs to be returned, set it to the
1105          * start of the search string.
1106          */
1107         if (match_start)
1108         {
1109                 *match_start = next;
1110         }
1111
1112         /* Go to end of search string */
1113         forward_chars_with_skipping (&next, g_utf8_strlen (*lines, -1), visible_only, !slice, TRUE);
1114
1115         g_free (line_text);
1116
1117         ++lines;
1118
1119         if (match_end)
1120                 *match_end = next;
1121
1122         /* try to match the rest of the lines forward, passing NULL
1123          * for match_start so lines_match will try to match the entire
1124          * line */
1125         return lines_match (&next, lines, visible_only,
1126                             slice, NULL, match_end);
1127 }
1128
1129 gboolean
1130 empathy_text_iter_backward_search (const GtkTextIter   *iter,
1131                                   const gchar         *str,
1132                                   GtkTextIter         *match_start,
1133                                   GtkTextIter         *match_end,
1134                                   const GtkTextIter   *limit)
1135 {
1136         gchar **lines = NULL;
1137         GtkTextIter match;
1138         gboolean retval = FALSE;
1139         GtkTextIter search;
1140         gboolean visible_only;
1141         gboolean slice;
1142
1143         g_return_val_if_fail (iter != NULL, FALSE);
1144         g_return_val_if_fail (str != NULL, FALSE);
1145
1146         if (limit && gtk_text_iter_compare (iter, limit) <= 0)
1147                 return FALSE;
1148
1149         if (*str == '\0')
1150         {
1151                 /* If we can move one char, return the empty string there */
1152                 match = *iter;
1153
1154                 if (gtk_text_iter_backward_char (&match))
1155                 {
1156                         if (limit && gtk_text_iter_equal (&match, limit))
1157                                 return FALSE;
1158
1159                         if (match_start)
1160                                 *match_start = match;
1161                         if (match_end)
1162                                 *match_end = match;
1163                         return TRUE;
1164                 }
1165                 else
1166                 {
1167                         return FALSE;
1168                 }
1169         }
1170
1171         visible_only = TRUE;
1172         slice = TRUE;
1173
1174         /* locate all lines */
1175         lines = strbreakup (str, "\n", -1);
1176
1177         search = *iter;
1178
1179         while (TRUE)
1180         {
1181                 /* This loop has an inefficient worst-case, where
1182                  * gtk_text_iter_get_text () is called repeatedly on
1183                  * a single line.
1184                  */
1185                 GtkTextIter end;
1186
1187                 if (limit && gtk_text_iter_compare (&search, limit) <= 0)
1188                         break;
1189
1190                 if (backward_lines_match (&search, (const gchar**)lines,
1191                                           visible_only, slice, &match, &end))
1192                 {
1193                         if (limit == NULL || (limit &&
1194                                               gtk_text_iter_compare (&end, limit) > 0))
1195                         {
1196                                 retval = TRUE;
1197
1198                                 if (match_start)
1199                                         *match_start = match;
1200                                 if (match_end)
1201                                         *match_end = end;
1202                         }
1203                         break;
1204                 }
1205
1206                 if (gtk_text_iter_get_line_offset (&search) == 0)
1207                 {
1208                         if (!gtk_text_iter_backward_line (&search))
1209                                 break;
1210                 }
1211                 else
1212                 {
1213                         gtk_text_iter_set_line_offset (&search, 0);
1214                 }
1215         }
1216
1217         g_strfreev ((gchar**)lines);
1218
1219         return retval;
1220 }
1221
1222 gboolean
1223 empathy_window_get_is_visible (GtkWindow *window)
1224 {
1225         GdkWindowState  state;
1226         GdkWindow      *gdk_window;
1227
1228         g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
1229
1230         gdk_window = GTK_WIDGET (window)->window;
1231         if (!gdk_window) {
1232                 return FALSE;
1233         }
1234
1235         state = gdk_window_get_state (gdk_window);
1236         if (state & (GDK_WINDOW_STATE_WITHDRAWN | GDK_WINDOW_STATE_ICONIFIED)) {
1237                 return FALSE;
1238         }
1239
1240         return TRUE;
1241 }
1242
1243 void
1244 empathy_window_iconify (GtkWindow *window, GtkStatusIcon *status_icon)
1245 {
1246         GdkRectangle  icon_location;
1247         gulong        data[4];
1248         Display      *dpy;
1249         GdkWindow    *gdk_window;
1250
1251         gtk_status_icon_get_geometry (status_icon, NULL, &icon_location, NULL);
1252         gdk_window = GTK_WIDGET (window)->window;
1253         dpy = gdk_x11_drawable_get_xdisplay (gdk_window);
1254
1255         data[0] = icon_location.x;
1256         data[1] = icon_location.y;
1257         data[2] = icon_location.width;
1258         data[3] = icon_location.height;
1259
1260         XChangeProperty (dpy,
1261                          GDK_WINDOW_XID (gdk_window),
1262                          gdk_x11_get_xatom_by_name_for_display (gdk_drawable_get_display (gdk_window),
1263                          "_NET_WM_ICON_GEOMETRY"),
1264                          XA_CARDINAL, 32, PropModeReplace,
1265                          (guchar *)&data, 4);
1266
1267         gtk_window_set_skip_taskbar_hint (window, TRUE);
1268         gtk_window_iconify (window);
1269 }
1270
1271 /* Takes care of moving the window to the current workspace. */
1272 void
1273 empathy_window_present (GtkWindow *window,
1274                         gboolean   steal_focus)
1275 {
1276         guint32 timestamp;
1277
1278         g_return_if_fail (GTK_IS_WINDOW (window));
1279
1280         /* There are three cases: hidden, visible, visible on another
1281          * workspace.
1282          */
1283
1284         if (!empathy_window_get_is_visible (window)) {
1285                 /* Hide it so present brings it to the current workspace. */
1286                 gtk_widget_hide (GTK_WIDGET (window));
1287         }
1288
1289         timestamp = gtk_get_current_event_time ();
1290         gtk_window_set_skip_taskbar_hint (window, FALSE);
1291         gtk_window_present_with_time (window, timestamp);
1292         /* FIXME: This shouldn't be required as gtk_window_present's doc says
1293          *        it deiconify automatically. */
1294         gtk_window_deiconify (window);
1295 }
1296
1297 GtkWindow *
1298 empathy_get_toplevel_window (GtkWidget *widget)
1299 {
1300         GtkWidget *toplevel;
1301
1302         g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
1303
1304         toplevel = gtk_widget_get_toplevel (widget);
1305         if (GTK_IS_WINDOW (toplevel) &&
1306             GTK_WIDGET_TOPLEVEL (toplevel)) {
1307                 return GTK_WINDOW (toplevel);
1308         }
1309
1310         return NULL;
1311 }
1312
1313 /* The URL opening code can't handle schemeless strings, so we try to be
1314  * smart and add http if there is no scheme or doesn't look like a mail
1315  * address. This should work in most cases, and let us click on strings
1316  * like "www.gnome.org".
1317  */
1318 static gchar *
1319 fixup_url (const gchar *url)
1320 {
1321         if (g_str_has_prefix (url, "ghelp:") ||
1322             g_str_has_prefix (url, "mailto:") ||
1323             strstr (url, ":/")) {
1324                 return NULL;
1325         }
1326
1327         if (strstr (url, "@")) {
1328                 return g_strdup_printf ("mailto:%s", url);
1329         }
1330
1331         return g_strdup_printf ("http://%s", url);
1332 }
1333
1334 void
1335 empathy_url_show (const char *url)
1336 {
1337         gchar  *real_url;
1338         GError *error = NULL;
1339
1340         real_url = fixup_url (url);
1341         if (real_url) {
1342                 url = real_url;
1343         }
1344
1345         /* FIXME: this does not work for multihead, we should use
1346          * GdkAppLaunchContext or gtk_show_url, see bug #514396.
1347          */
1348         g_app_info_launch_default_for_uri (url, NULL, &error);
1349         if (error) {
1350                 GtkWidget *dialog;
1351
1352                 dialog = gtk_message_dialog_new (NULL, 0,
1353                                                  GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE,
1354                                                  _("Unable to open URI"));
1355                 gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
1356                                                           "%s", error->message);
1357
1358                 g_signal_connect (dialog, "response",
1359                                   G_CALLBACK (gtk_widget_destroy),
1360                                   NULL);
1361                 gtk_window_present (GTK_WINDOW (dialog));
1362
1363                 g_clear_error (&error);
1364         }
1365
1366         g_free (real_url);
1367 }
1368
1369 static void
1370 link_button_hook (GtkLinkButton *button,
1371                   const gchar *link,
1372                   gpointer user_data)
1373 {
1374         empathy_url_show (link);
1375 }
1376
1377 GtkWidget *
1378 empathy_link_button_new (const gchar *url,
1379                         const gchar *title)
1380 {
1381         static gboolean hook = FALSE;
1382
1383         if (!hook) {
1384                 hook = TRUE;
1385                 gtk_link_button_set_uri_hook (link_button_hook, NULL, NULL);
1386         }
1387
1388         return gtk_link_button_new_with_label (url, title);
1389 }
1390
1391 void
1392 empathy_toggle_button_set_state_quietly (GtkWidget *widget,
1393                                         GCallback  callback,
1394                                         gpointer   user_data,
1395                                         gboolean   active)
1396 {
1397         g_return_if_fail (GTK_IS_TOGGLE_BUTTON (widget));
1398
1399         g_signal_handlers_block_by_func (widget, callback, user_data);
1400         g_object_set (widget, "active", active, NULL);
1401         g_signal_handlers_unblock_by_func (widget, callback, user_data);
1402 }
1403
1404 GtkTextTag *
1405 empathy_text_buffer_tag_set (GtkTextBuffer *buffer,
1406                              const gchar   *tag_name,
1407                              const gchar   *first_property_name,
1408                              ...)
1409 {
1410         GtkTextTagTable *table;
1411         GtkTextTag      *tag;
1412
1413         g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), NULL);
1414         g_return_val_if_fail (tag_name != NULL, NULL);
1415
1416         table = gtk_text_buffer_get_tag_table (buffer);
1417         tag = gtk_text_tag_table_lookup (table, tag_name);
1418
1419         if (!tag) {
1420                 tag = gtk_text_tag_new (tag_name);
1421                 gtk_text_tag_table_add (table, tag);
1422                 g_object_unref (tag);
1423         } else {
1424                 /* Clear the old values so that we don't affect the new theme. */
1425                 g_object_set (tag,
1426                               "background-set", FALSE,
1427                               "foreground-set", FALSE,
1428                               "invisible-set", FALSE,
1429                               "justification-set", FALSE,
1430                               "paragraph-background-set", FALSE,
1431                               "pixels-above-lines-set", FALSE,
1432                               "pixels-below-lines-set", FALSE,
1433                               "rise-set", FALSE,
1434                               "scale-set", FALSE,
1435                               "size-set", FALSE,
1436                               "style-set", FALSE,
1437                               "weight-set", FALSE,
1438                               NULL);
1439         }
1440
1441         if (first_property_name) {
1442                 va_list list;
1443
1444                 va_start (list, first_property_name);
1445                 g_object_set_valist (G_OBJECT (tag), first_property_name, list);
1446                 va_end (list);
1447         }
1448
1449         return tag;
1450 }
1451
1452 /* Sending files with the file chooser */
1453
1454 static void
1455 file_manager_send_file_response_cb (GtkDialog      *widget,
1456                                     gint            response_id,
1457                                     EmpathyContact *contact)
1458 {
1459         if (response_id == GTK_RESPONSE_OK) {
1460                 GSList *list;
1461                 GSList *l;
1462
1463                 list = gtk_file_chooser_get_uris (GTK_FILE_CHOOSER (widget));
1464
1465                 DEBUG ("File chooser selected files:");
1466
1467                 for (l = list; l; l = l->next) {
1468                         gchar            *uri;
1469                         GFile            *gfile;
1470                         GtkRecentManager *manager;
1471
1472                         uri = l->data;
1473                         gfile = g_file_new_for_uri (uri);
1474
1475                         DEBUG ("\t%s", uri);
1476                         empathy_dispatcher_send_file (contact, gfile);
1477
1478                         manager = gtk_recent_manager_get_default ();
1479                         gtk_recent_manager_add_item (manager, uri);
1480
1481                         g_object_unref (gfile);
1482                         g_free (uri);
1483                 }
1484
1485                         g_slist_free (list);
1486         }
1487
1488         gtk_widget_destroy (GTK_WIDGET (widget));
1489 }
1490
1491 void
1492 empathy_send_file_with_file_chooser (EmpathyContact *contact)
1493 {
1494         GtkWidget               *widget;
1495         GtkWidget               *button;
1496
1497         g_return_if_fail (EMPATHY_IS_CONTACT (contact));
1498
1499         DEBUG ("Creating selection file chooser");
1500
1501         widget = gtk_file_chooser_dialog_new (_("Select a file"),
1502                                               NULL,
1503                                               GTK_FILE_CHOOSER_ACTION_OPEN,
1504                                               GTK_STOCK_CANCEL,
1505                                               GTK_RESPONSE_CANCEL,
1506                                               NULL);
1507
1508         /* send button */
1509         button = gtk_button_new_with_mnemonic (_("_Send"));
1510         gtk_button_set_image (GTK_BUTTON (button),
1511                 gtk_image_new_from_icon_name (EMPATHY_IMAGE_DOCUMENT_SEND,
1512                                               GTK_ICON_SIZE_BUTTON));
1513         gtk_widget_show (button);
1514         gtk_dialog_add_action_widget (GTK_DIALOG (widget), button,
1515                                       GTK_RESPONSE_OK);
1516         GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
1517         gtk_dialog_set_default_response (GTK_DIALOG (widget),
1518                                          GTK_RESPONSE_OK);
1519
1520         g_signal_connect (widget, "response",
1521                           G_CALLBACK (file_manager_send_file_response_cb),
1522                           contact);
1523
1524         gtk_widget_show (widget);
1525 }