diff options
Diffstat (limited to 'gnome-2-26/libempathy-gtk/empathy-ui-utils.c')
| -rw-r--r-- | gnome-2-26/libempathy-gtk/empathy-ui-utils.c | 1711 |
1 files changed, 1711 insertions, 0 deletions
diff --git a/gnome-2-26/libempathy-gtk/empathy-ui-utils.c b/gnome-2-26/libempathy-gtk/empathy-ui-utils.c new file mode 100644 index 000000000..9e8928e8e --- /dev/null +++ b/gnome-2-26/libempathy-gtk/empathy-ui-utils.c @@ -0,0 +1,1711 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ +/* + * Copyright (C) 2002-2007 Imendio AB + * Copyright (C) 2007-2008 Collabora Ltd. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + * + * Authors: Mikael Hallendal <micke@imendio.com> + * Richard Hult <richard@imendio.com> + * Martyn Russell <martyn@imendio.com> + * Xavier Claessens <xclaesse@gmail.com> + * Jonny Lamb <jonny.lamb@collabora.co.uk> + * + * Part of this file is copied from GtkSourceView (gtksourceiter.c): + * Paolo Maggi + * Jeroen Zwartepoorte + */ + +#include <config.h> + +#include <string.h> +#include <X11/Xatom.h> +#include <gdk/gdkx.h> +#include <glib/gi18n-lib.h> +#include <gtk/gtk.h> +#include <gio/gio.h> +#include <glade/glade.h> +#include <canberra-gtk.h> + +#include <libmissioncontrol/mc-profile.h> + +#include "empathy-ui-utils.h" +#include "empathy-images.h" +#include "empathy-conf.h" + +#define DEBUG_FLAG EMPATHY_DEBUG_OTHER +#include <libempathy/empathy-debug.h> +#include <libempathy/empathy-utils.h> +#include <libempathy/empathy-dispatcher.h> +#include <libempathy/empathy-idle.h> +#include <libempathy/empathy-tp-file.h> + +#define SCHEMES "(https?|s?ftps?|nntp|news|javascript|about|ghelp|apt|telnet|"\ + "file|webcal|mailto)" +#define BODY "([^\\ \\n]+)" +#define END_BODY "([^\\ \\n]*[^,;\?><()\\ \"\\.\\n])" +#define URI_REGEX "("SCHEMES"://"END_BODY")" \ + "|((mailto:)?"BODY"@"BODY"\\."END_BODY")"\ + "|((www|ftp)\\."END_BODY")" + +void +empathy_gtk_init (void) +{ + static gboolean initialized = FALSE; + + if (initialized) + return; + + empathy_init (); + gtk_icon_theme_append_search_path (gtk_icon_theme_get_default (), + PKGDATADIR G_DIR_SEPARATOR_S "icons"); + + initialized = TRUE; +} + +GRegex * +empathy_uri_regex_dup_singleton (void) +{ + static GRegex *uri_regex = NULL; + + /* We intentionally leak the regex so it's not recomputed */ + if (!uri_regex) { + uri_regex = g_regex_new (URI_REGEX, 0, 0, NULL); + } + + return g_regex_ref (uri_regex); +} + +struct SizeData { + gint width; + gint height; + gboolean preserve_aspect_ratio; +}; + +static GladeXML * +get_glade_file (const gchar *filename, + const gchar *root, + const gchar *domain, + const gchar *first_required_widget, + va_list args) +{ + GladeXML *gui; + const char *name; + GtkWidget **widget_ptr; + + DEBUG ("Loading glade file %s", filename); + + gui = glade_xml_new (filename, root, domain); + + if (!gui) { + g_warning ("Couldn't find necessary glade file '%s'", filename); + } + + for (name = first_required_widget; name; name = va_arg (args, char *)) { + widget_ptr = va_arg (args, void *); + + *widget_ptr = glade_xml_get_widget (gui, name); + + if (!*widget_ptr) { + g_warning ("Glade file '%s' is missing widget '%s'.", + filename, name); + continue; + } + } + + return gui; +} + +void +empathy_glade_get_file_simple (const gchar *filename, + const gchar *root, + const gchar *domain, + const gchar *first_required_widget, ...) +{ + va_list args; + GladeXML *gui; + + va_start (args, first_required_widget); + + gui = get_glade_file (filename, + root, + domain, + first_required_widget, + args); + + va_end (args); + + if (gui) { + g_object_unref (gui); + } +} + +GladeXML * +empathy_glade_get_file (const gchar *filename, + const gchar *root, + const gchar *domain, + const gchar *first_required_widget, ...) +{ + va_list args; + GladeXML *gui; + + va_start (args, first_required_widget); + + gui = get_glade_file (filename, + root, + domain, + first_required_widget, + args); + + va_end (args); + + if (!gui) { + return NULL; + } + + return gui; +} + +void +empathy_glade_connect (GladeXML *gui, + gpointer user_data, + gchar *first_widget, ...) +{ + va_list args; + const gchar *name; + const gchar *signal; + GtkWidget *widget; + gpointer *callback; + + va_start (args, first_widget); + + for (name = first_widget; name; name = va_arg (args, char *)) { + signal = va_arg (args, void *); + callback = va_arg (args, void *); + + widget = glade_xml_get_widget (gui, name); + if (!widget) { + g_warning ("Glade file is missing widget '%s', aborting", + name); + continue; + } + + g_signal_connect (widget, + signal, + G_CALLBACK (callback), + user_data); + } + + va_end (args); +} + +void +empathy_glade_setup_size_group (GladeXML *gui, + GtkSizeGroupMode mode, + gchar *first_widget, ...) +{ + va_list args; + GtkWidget *widget; + GtkSizeGroup *size_group; + const gchar *name; + + va_start (args, first_widget); + + size_group = gtk_size_group_new (mode); + + for (name = first_widget; name; name = va_arg (args, char *)) { + widget = glade_xml_get_widget (gui, name); + if (!widget) { + g_warning ("Glade file is missing widget '%s'", name); + continue; + } + + gtk_size_group_add_widget (size_group, widget); + } + + g_object_unref (size_group); + + va_end (args); +} + +const gchar * +empathy_icon_name_from_account (McAccount *account) +{ + McProfile *profile; + + profile = mc_account_get_profile (account); + + return mc_profile_get_icon_name (profile); +} + +const gchar * +empathy_icon_name_for_presence (McPresence presence) +{ + switch (presence) { + case MC_PRESENCE_AVAILABLE: + return EMPATHY_IMAGE_AVAILABLE; + case MC_PRESENCE_DO_NOT_DISTURB: + return EMPATHY_IMAGE_BUSY; + case MC_PRESENCE_AWAY: + return EMPATHY_IMAGE_AWAY; + case MC_PRESENCE_EXTENDED_AWAY: + return EMPATHY_IMAGE_EXT_AWAY; + case MC_PRESENCE_HIDDEN: + return EMPATHY_IMAGE_HIDDEN; + case MC_PRESENCE_OFFLINE: + case MC_PRESENCE_UNSET: + return EMPATHY_IMAGE_OFFLINE; + default: + g_assert_not_reached (); + } + + return NULL; +} + +const gchar * +empathy_icon_name_for_contact (EmpathyContact *contact) +{ + McPresence presence; + + g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), + EMPATHY_IMAGE_OFFLINE); + + presence = empathy_contact_get_presence (contact); + return empathy_icon_name_for_presence (presence); +} + +GdkPixbuf * +empathy_pixbuf_from_data (gchar *data, + gsize data_size) +{ + return empathy_pixbuf_from_data_and_mime (data, data_size, NULL); +} + +GdkPixbuf * +empathy_pixbuf_from_data_and_mime (gchar *data, + gsize data_size, + gchar **mime_type) +{ + GdkPixbufLoader *loader; + GdkPixbufFormat *format; + GdkPixbuf *pixbuf = NULL; + gchar **mime_types; + GError *error = NULL; + + if (!data) { + return NULL; + } + + loader = gdk_pixbuf_loader_new (); + if (!gdk_pixbuf_loader_write (loader, data, data_size, &error)) { + DEBUG ("Failed to write to pixbuf loader: %s", + error ? error->message : "No error given"); + goto out; + } + if (!gdk_pixbuf_loader_close (loader, &error)) { + DEBUG ("Failed to close pixbuf loader: %s", + error ? error->message : "No error given"); + goto out; + } + + pixbuf = gdk_pixbuf_loader_get_pixbuf (loader); + if (pixbuf) { + g_object_ref (pixbuf); + + if (mime_type != NULL) { + format = gdk_pixbuf_loader_get_format (loader); + mime_types = gdk_pixbuf_format_get_mime_types (format); + + *mime_type = g_strdup (*mime_types); + if (mime_types[1] != NULL) { + DEBUG ("Loader supports more than one mime " + "type! Picking the first one, %s", + *mime_type); + } + g_strfreev (mime_types); + } + } + +out: + g_clear_error (&error); + g_object_unref (loader); + + return pixbuf; +} + +static void +pixbuf_from_avatar_size_prepared_cb (GdkPixbufLoader *loader, + int width, + int height, + struct SizeData *data) +{ + g_return_if_fail (width > 0 && height > 0); + + if (data->preserve_aspect_ratio && (data->width > 0 || data->height > 0)) { + if (width < data->width && height < data->height) { + width = width; + height = height; + } + + if (data->width < 0) { + width = width * (double) data->height / (gdouble) height; + height = data->height; + } else if (data->height < 0) { + height = height * (double) data->width / (double) width; + width = data->width; + } else if ((double) height * (double) data->width > + (double) width * (double) data->height) { + width = 0.5 + (double) width * (double) data->height / (double) height; + height = data->height; + } else { + height = 0.5 + (double) height * (double) data->width / (double) width; + width = data->width; + } + } else { + if (data->width > 0) { + width = data->width; + } + + if (data->height > 0) { + height = data->height; + } + } + + gdk_pixbuf_loader_set_size (loader, width, height); +} + +static void +empathy_avatar_pixbuf_roundify (GdkPixbuf *pixbuf) +{ + gint width, height, rowstride; + guchar *pixels; + + width = gdk_pixbuf_get_width (pixbuf); + height = gdk_pixbuf_get_height (pixbuf); + rowstride = gdk_pixbuf_get_rowstride (pixbuf); + pixels = gdk_pixbuf_get_pixels (pixbuf); + + if (width < 6 || height < 6) { + return; + } + + /* Top left */ + pixels[3] = 0; + pixels[7] = 0x80; + pixels[11] = 0xC0; + pixels[rowstride + 3] = 0x80; + pixels[rowstride * 2 + 3] = 0xC0; + + /* Top right */ + pixels[width * 4 - 1] = 0; + pixels[width * 4 - 5] = 0x80; + pixels[width * 4 - 9] = 0xC0; + pixels[rowstride + (width * 4) - 1] = 0x80; + pixels[(2 * rowstride) + (width * 4) - 1] = 0xC0; + + /* Bottom left */ + pixels[(height - 1) * rowstride + 3] = 0; + pixels[(height - 1) * rowstride + 7] = 0x80; + pixels[(height - 1) * rowstride + 11] = 0xC0; + pixels[(height - 2) * rowstride + 3] = 0x80; + pixels[(height - 3) * rowstride + 3] = 0xC0; + + /* Bottom right */ + pixels[height * rowstride - 1] = 0; + pixels[(height - 1) * rowstride - 1] = 0x80; + pixels[(height - 2) * rowstride - 1] = 0xC0; + pixels[height * rowstride - 5] = 0x80; + pixels[height * rowstride - 9] = 0xC0; +} + +static gboolean +empathy_gdk_pixbuf_is_opaque (GdkPixbuf *pixbuf) +{ + gint width, height, rowstride, i; + guchar *pixels; + guchar *row; + + width = gdk_pixbuf_get_width (pixbuf); + height = gdk_pixbuf_get_height (pixbuf); + rowstride = gdk_pixbuf_get_rowstride (pixbuf); + pixels = gdk_pixbuf_get_pixels (pixbuf); + + row = pixels; + for (i = 3; i < rowstride; i+=4) { + if (row[i] < 0xfe) { + return FALSE; + } + } + + for (i = 1; i < height - 1; i++) { + row = pixels + (i*rowstride); + if (row[3] < 0xfe || row[rowstride-1] < 0xfe) { + return FALSE; + } + } + + row = pixels + ((height-1) * rowstride); + for (i = 3; i < rowstride; i+=4) { + if (row[i] < 0xfe) { + return FALSE; + } + } + + return TRUE; +} + +GdkPixbuf * +empathy_pixbuf_from_avatar_scaled (EmpathyAvatar *avatar, + gint width, + gint height) +{ + GdkPixbuf *pixbuf; + GdkPixbufLoader *loader; + struct SizeData data; + GError *error = NULL; + + if (!avatar) { + return NULL; + } + + data.width = width; + data.height = height; + data.preserve_aspect_ratio = TRUE; + + loader = gdk_pixbuf_loader_new (); + + g_signal_connect (loader, "size-prepared", + G_CALLBACK (pixbuf_from_avatar_size_prepared_cb), + &data); + + if (!gdk_pixbuf_loader_write (loader, avatar->data, avatar->len, &error)) { + g_warning ("Couldn't write avatar image:%p with " + "length:%" G_GSIZE_FORMAT " to pixbuf loader: %s", + avatar->data, avatar->len, error->message); + g_error_free (error); + return NULL; + } + + gdk_pixbuf_loader_close (loader, NULL); + + pixbuf = gdk_pixbuf_loader_get_pixbuf (loader); + if (!gdk_pixbuf_get_has_alpha (pixbuf)) { + GdkPixbuf *rounded_pixbuf; + + rounded_pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, + gdk_pixbuf_get_width (pixbuf), + gdk_pixbuf_get_height (pixbuf)); + gdk_pixbuf_copy_area (pixbuf, 0, 0, + gdk_pixbuf_get_width (pixbuf), + gdk_pixbuf_get_height (pixbuf), + rounded_pixbuf, + 0, 0); + pixbuf = rounded_pixbuf; + } else { + g_object_ref (pixbuf); + } + + if (empathy_gdk_pixbuf_is_opaque (pixbuf)) { + empathy_avatar_pixbuf_roundify (pixbuf); + } + + g_object_unref (loader); + + return pixbuf; +} + +GdkPixbuf * +empathy_pixbuf_avatar_from_contact_scaled (EmpathyContact *contact, + gint width, + gint height) +{ + EmpathyAvatar *avatar; + + g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL); + + avatar = empathy_contact_get_avatar (contact); + + return empathy_pixbuf_from_avatar_scaled (avatar, width, height); +} + +GdkPixbuf * +empathy_pixbuf_scale_down_if_necessary (GdkPixbuf *pixbuf, gint max_size) +{ + gint width, height; + gdouble factor; + + width = gdk_pixbuf_get_width (pixbuf); + height = gdk_pixbuf_get_height (pixbuf); + + if (width > 0 && (width > max_size || height > max_size)) { + factor = (gdouble) max_size / MAX (width, height); + + width = width * factor; + height = height * factor; + + return gdk_pixbuf_scale_simple (pixbuf, + width, height, + GDK_INTERP_HYPER); + } + + return g_object_ref (pixbuf); +} + +GdkPixbuf * +empathy_pixbuf_from_icon_name_sized (const gchar *icon_name, + gint size) +{ + GtkIconTheme *theme; + GdkPixbuf *pixbuf; + GError *error = NULL; + + if (!icon_name) { + return NULL; + } + + theme = gtk_icon_theme_get_default (); + + pixbuf = gtk_icon_theme_load_icon (theme, + icon_name, + size, + 0, + &error); + if (error) { + DEBUG ("Error loading icon: %s", error->message); + g_clear_error (&error); + } + + return pixbuf; +} + +GdkPixbuf * +empathy_pixbuf_from_icon_name (const gchar *icon_name, + GtkIconSize icon_size) +{ + gint w, h; + gint size = 48; + + if (!icon_name) { + return NULL; + } + + if (gtk_icon_size_lookup (icon_size, &w, &h)) { + size = (w + h) / 2; + } + + return empathy_pixbuf_from_icon_name_sized (icon_name, size); +} + +/* Stolen from GtkSourceView, hence the weird intendation. Please keep it like + * that to make it easier to apply changes from the original code. + */ +#define GTK_TEXT_UNKNOWN_CHAR 0xFFFC + +/* this function acts like g_utf8_offset_to_pointer() except that if it finds a + * decomposable character it consumes the decomposition length from the given + * offset. So it's useful when the offset was calculated for the normalized + * version of str, but we need a pointer to str itself. */ +static const gchar * +pointer_from_offset_skipping_decomp (const gchar *str, gint offset) +{ + gchar *casefold, *normal; + const gchar *p, *q; + + p = str; + while (offset > 0) + { + q = g_utf8_next_char (p); + casefold = g_utf8_casefold (p, q - p); + normal = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD); + offset -= g_utf8_strlen (normal, -1); + g_free (casefold); + g_free (normal); + p = q; + } + return p; +} + +static const gchar * +g_utf8_strcasestr (const gchar *haystack, const gchar *needle) +{ + gsize needle_len; + gsize haystack_len; + const gchar *ret = NULL; + gchar *p; + gchar *casefold; + gchar *caseless_haystack; + gint i; + + g_return_val_if_fail (haystack != NULL, NULL); + g_return_val_if_fail (needle != NULL, NULL); + + casefold = g_utf8_casefold (haystack, -1); + caseless_haystack = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD); + g_free (casefold); + + needle_len = g_utf8_strlen (needle, -1); + haystack_len = g_utf8_strlen (caseless_haystack, -1); + + if (needle_len == 0) + { + ret = (gchar *)haystack; + goto finally_1; + } + + if (haystack_len < needle_len) + { + ret = NULL; + goto finally_1; + } + + p = (gchar*)caseless_haystack; + needle_len = strlen (needle); + i = 0; + + while (*p) + { + if ((strncmp (p, needle, needle_len) == 0)) + { + ret = pointer_from_offset_skipping_decomp (haystack, i); + goto finally_1; + } + + p = g_utf8_next_char (p); + i++; + } + +finally_1: + g_free (caseless_haystack); + + return ret; +} + +static gboolean +g_utf8_caselessnmatch (const char *s1, const char *s2, + gssize n1, gssize n2) +{ + gchar *casefold; + gchar *normalized_s1; + gchar *normalized_s2; + gint len_s1; + gint len_s2; + gboolean ret = FALSE; + + g_return_val_if_fail (s1 != NULL, FALSE); + g_return_val_if_fail (s2 != NULL, FALSE); + g_return_val_if_fail (n1 > 0, FALSE); + g_return_val_if_fail (n2 > 0, FALSE); + + casefold = g_utf8_casefold (s1, n1); + normalized_s1 = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD); + g_free (casefold); + + casefold = g_utf8_casefold (s2, n2); + normalized_s2 = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD); + g_free (casefold); + + len_s1 = strlen (normalized_s1); + len_s2 = strlen (normalized_s2); + + if (len_s1 < len_s2) + goto finally_2; + + ret = (strncmp (normalized_s1, normalized_s2, len_s2) == 0); + +finally_2: + g_free (normalized_s1); + g_free (normalized_s2); + + return ret; +} + +static void +forward_chars_with_skipping (GtkTextIter *iter, + gint count, + gboolean skip_invisible, + gboolean skip_nontext, + gboolean skip_decomp) +{ + gint i; + + g_return_if_fail (count >= 0); + + i = count; + + while (i > 0) + { + gboolean ignored = FALSE; + + /* minimal workaround to avoid the infinite loop of bug #168247. + * It doesn't fix the problemjust the symptom... + */ + if (gtk_text_iter_is_end (iter)) + return; + + if (skip_nontext && gtk_text_iter_get_char (iter) == GTK_TEXT_UNKNOWN_CHAR) + ignored = TRUE; + + if (!ignored && skip_invisible && + /* _gtk_text_btree_char_is_invisible (iter)*/ FALSE) + ignored = TRUE; + + if (!ignored && skip_decomp) + { + /* being UTF8 correct sucks; this accounts for extra + offsets coming from canonical decompositions of + UTF8 characters (e.g. accented characters) which + g_utf8_normalize() performs */ + gchar *normal; + gchar buffer[6]; + gint buffer_len; + + buffer_len = g_unichar_to_utf8 (gtk_text_iter_get_char (iter), buffer); + normal = g_utf8_normalize (buffer, buffer_len, G_NORMALIZE_NFD); + i -= (g_utf8_strlen (normal, -1) - 1); + g_free (normal); + } + + gtk_text_iter_forward_char (iter); + + if (!ignored) + --i; + } +} + +static gboolean +lines_match (const GtkTextIter *start, + const gchar **lines, + gboolean visible_only, + gboolean slice, + GtkTextIter *match_start, + GtkTextIter *match_end) +{ + GtkTextIter next; + gchar *line_text; + const gchar *found; + gint offset; + + if (*lines == NULL || **lines == '\0') + { + if (match_start) + *match_start = *start; + if (match_end) + *match_end = *start; + return TRUE; + } + + next = *start; + gtk_text_iter_forward_line (&next); + + /* No more text in buffer, but *lines is nonempty */ + if (gtk_text_iter_equal (start, &next)) + return FALSE; + + if (slice) + { + if (visible_only) + line_text = gtk_text_iter_get_visible_slice (start, &next); + else + line_text = gtk_text_iter_get_slice (start, &next); + } + else + { + if (visible_only) + line_text = gtk_text_iter_get_visible_text (start, &next); + else + line_text = gtk_text_iter_get_text (start, &next); + } + + if (match_start) /* if this is the first line we're matching */ + { + found = g_utf8_strcasestr (line_text, *lines); + } + else + { + /* If it's not the first line, we have to match from the + * start of the line. + */ + if (g_utf8_caselessnmatch (line_text, *lines, strlen (line_text), + strlen (*lines))) + found = line_text; + else + found = NULL; + } + + if (found == NULL) + { + g_free (line_text); + return FALSE; + } + + /* Get offset to start of search string */ + offset = g_utf8_strlen (line_text, found - line_text); + + next = *start; + + /* If match start needs to be returned, set it to the + * start of the search string. + */ + forward_chars_with_skipping (&next, offset, visible_only, !slice, FALSE); + if (match_start) + { + *match_start = next; + } + + /* Go to end of search string */ + forward_chars_with_skipping (&next, g_utf8_strlen (*lines, -1), visible_only, !slice, TRUE); + + g_free (line_text); + + ++lines; + + if (match_end) + *match_end = next; + + /* pass NULL for match_start, since we don't need to find the + * start again. + */ + return lines_match (&next, lines, visible_only, slice, NULL, match_end); +} + +/* strsplit () that retains the delimiter as part of the string. */ +static gchar ** +strbreakup (const char *string, + const char *delimiter, + gint max_tokens) +{ + GSList *string_list = NULL, *slist; + gchar **str_array, *s, *casefold, *new_string; + guint i, n = 1; + + g_return_val_if_fail (string != NULL, NULL); + g_return_val_if_fail (delimiter != NULL, NULL); + + if (max_tokens < 1) + max_tokens = G_MAXINT; + + s = strstr (string, delimiter); + if (s) + { + guint delimiter_len = strlen (delimiter); + + do + { + guint len; + + len = s - string + delimiter_len; + new_string = g_new (gchar, len + 1); + strncpy (new_string, string, len); + new_string[len] = 0; + casefold = g_utf8_casefold (new_string, -1); + g_free (new_string); + new_string = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD); + g_free (casefold); + string_list = g_slist_prepend (string_list, new_string); + n++; + string = s + delimiter_len; + s = strstr (string, delimiter); + } while (--max_tokens && s); + } + + if (*string) + { + n++; + casefold = g_utf8_casefold (string, -1); + new_string = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD); + g_free (casefold); + string_list = g_slist_prepend (string_list, new_string); + } + + str_array = g_new (gchar*, n); + + i = n - 1; + + str_array[i--] = NULL; + for (slist = string_list; slist; slist = slist->next) + str_array[i--] = slist->data; + + g_slist_free (string_list); + + return str_array; +} + +gboolean +empathy_text_iter_forward_search (const GtkTextIter *iter, + const gchar *str, + GtkTextIter *match_start, + GtkTextIter *match_end, + const GtkTextIter *limit) +{ + gchar **lines = NULL; + GtkTextIter match; + gboolean retval = FALSE; + GtkTextIter search; + gboolean visible_only; + gboolean slice; + + g_return_val_if_fail (iter != NULL, FALSE); + g_return_val_if_fail (str != NULL, FALSE); + + if (limit && gtk_text_iter_compare (iter, limit) >= 0) + return FALSE; + + if (*str == '\0') { + /* If we can move one char, return the empty string there */ + match = *iter; + + if (gtk_text_iter_forward_char (&match)) { + if (limit && gtk_text_iter_equal (&match, limit)) { + return FALSE; + } + + if (match_start) { + *match_start = match; + } + if (match_end) { + *match_end = match; + } + return TRUE; + } else { + return FALSE; + } + } + + visible_only = TRUE; + slice = FALSE; + + /* locate all lines */ + lines = strbreakup (str, "\n", -1); + + search = *iter; + + do { + /* This loop has an inefficient worst-case, where + * gtk_text_iter_get_text () is called repeatedly on + * a single line. + */ + GtkTextIter end; + + if (limit && gtk_text_iter_compare (&search, limit) >= 0) { + break; + } + + if (lines_match (&search, (const gchar**)lines, + visible_only, slice, &match, &end)) { + if (limit == NULL || + (limit && gtk_text_iter_compare (&end, limit) <= 0)) { + retval = TRUE; + + if (match_start) { + *match_start = match; + } + if (match_end) { + *match_end = end; + } + } + break; + } + } while (gtk_text_iter_forward_line (&search)); + + g_strfreev ((gchar**)lines); + + return retval; +} + +static const gchar * +g_utf8_strrcasestr (const gchar *haystack, const gchar *needle) +{ + gsize needle_len; + gsize haystack_len; + const gchar *ret = NULL; + gchar *p; + gchar *casefold; + gchar *caseless_haystack; + gint i; + + g_return_val_if_fail (haystack != NULL, NULL); + g_return_val_if_fail (needle != NULL, NULL); + + casefold = g_utf8_casefold (haystack, -1); + caseless_haystack = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD); + g_free (casefold); + + needle_len = g_utf8_strlen (needle, -1); + haystack_len = g_utf8_strlen (caseless_haystack, -1); + + if (needle_len == 0) + { + ret = (gchar *)haystack; + goto finally_1; + } + + if (haystack_len < needle_len) + { + ret = NULL; + goto finally_1; + } + + i = haystack_len - needle_len; + p = g_utf8_offset_to_pointer (caseless_haystack, i); + needle_len = strlen (needle); + + while (p >= caseless_haystack) + { + if (strncmp (p, needle, needle_len) == 0) + { + ret = pointer_from_offset_skipping_decomp (haystack, i); + goto finally_1; + } + + p = g_utf8_prev_char (p); + i--; + } + +finally_1: + g_free (caseless_haystack); + + return ret; +} + +static gboolean +backward_lines_match (const GtkTextIter *start, + const gchar **lines, + gboolean visible_only, + gboolean slice, + GtkTextIter *match_start, + GtkTextIter *match_end) +{ + GtkTextIter line, next; + gchar *line_text; + const gchar *found; + gint offset; + + if (*lines == NULL || **lines == '\0') + { + if (match_start) + *match_start = *start; + if (match_end) + *match_end = *start; + return TRUE; + } + + line = next = *start; + if (gtk_text_iter_get_line_offset (&next) == 0) + { + if (!gtk_text_iter_backward_line (&next)) + return FALSE; + } + else + gtk_text_iter_set_line_offset (&next, 0); + + if (slice) + { + if (visible_only) + line_text = gtk_text_iter_get_visible_slice (&next, &line); + else + line_text = gtk_text_iter_get_slice (&next, &line); + } + else + { + if (visible_only) + line_text = gtk_text_iter_get_visible_text (&next, &line); + else + line_text = gtk_text_iter_get_text (&next, &line); + } + + if (match_start) /* if this is the first line we're matching */ + { + found = g_utf8_strrcasestr (line_text, *lines); + } + else + { + /* If it's not the first line, we have to match from the + * start of the line. + */ + if (g_utf8_caselessnmatch (line_text, *lines, strlen (line_text), + strlen (*lines))) + found = line_text; + else + found = NULL; + } + + if (found == NULL) + { + g_free (line_text); + return FALSE; + } + + /* Get offset to start of search string */ + offset = g_utf8_strlen (line_text, found - line_text); + + forward_chars_with_skipping (&next, offset, visible_only, !slice, FALSE); + + /* If match start needs to be returned, set it to the + * start of the search string. + */ + if (match_start) + { + *match_start = next; + } + + /* Go to end of search string */ + forward_chars_with_skipping (&next, g_utf8_strlen (*lines, -1), visible_only, !slice, TRUE); + + g_free (line_text); + + ++lines; + + if (match_end) + *match_end = next; + + /* try to match the rest of the lines forward, passing NULL + * for match_start so lines_match will try to match the entire + * line */ + return lines_match (&next, lines, visible_only, + slice, NULL, match_end); +} + +gboolean +empathy_text_iter_backward_search (const GtkTextIter *iter, + const gchar *str, + GtkTextIter *match_start, + GtkTextIter *match_end, + const GtkTextIter *limit) +{ + gchar **lines = NULL; + GtkTextIter match; + gboolean retval = FALSE; + GtkTextIter search; + gboolean visible_only; + gboolean slice; + + g_return_val_if_fail (iter != NULL, FALSE); + g_return_val_if_fail (str != NULL, FALSE); + + if (limit && gtk_text_iter_compare (iter, limit) <= 0) + return FALSE; + + if (*str == '\0') + { + /* If we can move one char, return the empty string there */ + match = *iter; + + if (gtk_text_iter_backward_char (&match)) + { + if (limit && gtk_text_iter_equal (&match, limit)) + return FALSE; + + if (match_start) + *match_start = match; + if (match_end) + *match_end = match; + return TRUE; + } + else + { + return FALSE; + } + } + + visible_only = TRUE; + slice = TRUE; + + /* locate all lines */ + lines = strbreakup (str, "\n", -1); + + search = *iter; + + while (TRUE) + { + /* This loop has an inefficient worst-case, where + * gtk_text_iter_get_text () is called repeatedly on + * a single line. + */ + GtkTextIter end; + + if (limit && gtk_text_iter_compare (&search, limit) <= 0) + break; + + if (backward_lines_match (&search, (const gchar**)lines, + visible_only, slice, &match, &end)) + { + if (limit == NULL || (limit && + gtk_text_iter_compare (&end, limit) > 0)) + { + retval = TRUE; + + if (match_start) + *match_start = match; + if (match_end) + *match_end = end; + } + break; + } + + if (gtk_text_iter_get_line_offset (&search) == 0) + { + if (!gtk_text_iter_backward_line (&search)) + break; + } + else + { + gtk_text_iter_set_line_offset (&search, 0); + } + } + + g_strfreev ((gchar**)lines); + + return retval; +} + +gboolean +empathy_window_get_is_visible (GtkWindow *window) +{ + GdkWindowState state; + GdkWindow *gdk_window; + + g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE); + + gdk_window = GTK_WIDGET (window)->window; + if (!gdk_window) { + return FALSE; + } + + state = gdk_window_get_state (gdk_window); + if (state & (GDK_WINDOW_STATE_WITHDRAWN | GDK_WINDOW_STATE_ICONIFIED)) { + return FALSE; + } + + return TRUE; +} + +void +empathy_window_iconify (GtkWindow *window, GtkStatusIcon *status_icon) +{ + GdkRectangle icon_location; + gulong data[4]; + Display *dpy; + GdkWindow *gdk_window; + + gtk_status_icon_get_geometry (status_icon, NULL, &icon_location, NULL); + gdk_window = GTK_WIDGET (window)->window; + dpy = gdk_x11_drawable_get_xdisplay (gdk_window); + + data[0] = icon_location.x; + data[1] = icon_location.y; + data[2] = icon_location.width; + data[3] = icon_location.height; + + XChangeProperty (dpy, + GDK_WINDOW_XID (gdk_window), + gdk_x11_get_xatom_by_name_for_display (gdk_drawable_get_display (gdk_window), + "_NET_WM_ICON_GEOMETRY"), + XA_CARDINAL, 32, PropModeReplace, + (guchar *)&data, 4); + + gtk_window_set_skip_taskbar_hint (window, TRUE); + gtk_window_iconify (window); +} + +/* Takes care of moving the window to the current workspace. */ +void +empathy_window_present (GtkWindow *window, + gboolean steal_focus) +{ + guint32 timestamp; + + g_return_if_fail (GTK_IS_WINDOW (window)); + + /* There are three cases: hidden, visible, visible on another + * workspace. + */ + + if (!empathy_window_get_is_visible (window)) { + /* Hide it so present brings it to the current workspace. */ + gtk_widget_hide (GTK_WIDGET (window)); + } + + timestamp = gtk_get_current_event_time (); + gtk_window_set_skip_taskbar_hint (window, FALSE); + gtk_window_present_with_time (window, timestamp); + /* FIXME: This shouldn't be required as gtk_window_present's doc says + * it deiconify automatically. */ + gtk_window_deiconify (window); +} + +GtkWindow * +empathy_get_toplevel_window (GtkWidget *widget) +{ + GtkWidget *toplevel; + + g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL); + + toplevel = gtk_widget_get_toplevel (widget); + if (GTK_IS_WINDOW (toplevel) && + GTK_WIDGET_TOPLEVEL (toplevel)) { + return GTK_WINDOW (toplevel); + } + + return NULL; +} + +/* The URL opening code can't handle schemeless strings, so we try to be + * smart and add http if there is no scheme or doesn't look like a mail + * address. This should work in most cases, and let us click on strings + * like "www.gnome.org". + */ +static gchar * +fixup_url (const gchar *url) +{ + if (g_str_has_prefix (url, "ghelp:") || + g_str_has_prefix (url, "mailto:") || + strstr (url, ":/")) { + return NULL; + } + + if (strstr (url, "@")) { + return g_strdup_printf ("mailto:%s", url); + } + + return g_strdup_printf ("http://%s", url); +} + +void +empathy_url_show (GtkWidget *parent, + const char *url) +{ + gchar *real_url; + GError *error = NULL; + + real_url = fixup_url (url); + if (real_url) { + url = real_url; + } + + gtk_show_uri (gtk_widget_get_screen (parent), url, + gtk_get_current_event_time (), &error); + + if (error) { + GtkWidget *dialog; + + dialog = gtk_message_dialog_new (NULL, 0, + GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, + _("Unable to open URI")); + gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog), + "%s", error->message); + + g_signal_connect (dialog, "response", + G_CALLBACK (gtk_widget_destroy), + NULL); + gtk_window_present (GTK_WINDOW (dialog)); + + g_clear_error (&error); + } + + g_free (real_url); +} + +static void +link_button_hook (GtkLinkButton *button, + const gchar *link, + gpointer user_data) +{ + empathy_url_show (GTK_WIDGET (button), link); +} + +GtkWidget * +empathy_link_button_new (const gchar *url, + const gchar *title) +{ + static gboolean hook = FALSE; + + if (!hook) { + hook = TRUE; + gtk_link_button_set_uri_hook (link_button_hook, NULL, NULL); + } + + return gtk_link_button_new_with_label (url, title); +} + +void +empathy_toggle_button_set_state_quietly (GtkWidget *widget, + GCallback callback, + gpointer user_data, + gboolean active) +{ + g_return_if_fail (GTK_IS_TOGGLE_BUTTON (widget)); + + g_signal_handlers_block_by_func (widget, callback, user_data); + g_object_set (widget, "active", active, NULL); + g_signal_handlers_unblock_by_func (widget, callback, user_data); +} + +/* Sending files with the file chooser */ + +static void +file_manager_send_file_request_cb (EmpathyDispatchOperation *operation, + const GError *error, gpointer user_data) +{ + GFile *file = (GFile *)user_data; + EmpathyTpFile *tp_file; + + if (error != NULL) { + DEBUG ("Couldn't request channel: %s", error->message); + g_object_unref (file); + return; + } + + DEBUG ("Starting to send file"); + + tp_file = EMPATHY_TP_FILE ( + empathy_dispatch_operation_get_channel_wrapper (operation)); + + empathy_tp_file_offer (tp_file, file, NULL); + + g_object_unref (file); +} + +static void +file_manager_send_file_response_cb (GtkDialog *widget, + gint response_id, + EmpathyContact *contact) +{ + if (response_id == GTK_RESPONSE_OK) { + GSList *list; + GSList *l; + + list = gtk_file_chooser_get_uris (GTK_FILE_CHOOSER (widget)); + + DEBUG ("File chooser selected files:"); + + for (l = list; l; l = l->next) { + gchar *uri; + GFile *gfile; + GFileInfo *info; + GtkRecentManager *manager; + gchar *filename; + GTimeVal mtime; + GError *error = NULL; + + uri = l->data; + gfile = g_file_new_for_uri (uri); + info = g_file_query_info (gfile, + G_FILE_ATTRIBUTE_STANDARD_SIZE "," + G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE "," + G_FILE_ATTRIBUTE_TIME_MODIFIED, + 0, NULL, &error); + + if (error) { + DEBUG ("Can't get info about the file: %s", error->message); + g_clear_error (&error); + g_object_unref (gfile); + continue; + } + + DEBUG ("\t%s", uri); + filename = g_file_get_basename (gfile); + g_file_info_get_modification_time (info, &mtime); + + empathy_dispatcher_send_file_to_contact (contact, + filename, g_file_info_get_size (info), mtime.tv_sec, + g_file_info_get_content_type (info), + file_manager_send_file_request_cb, gfile); + + g_free (filename); + g_object_unref (info); + + manager = gtk_recent_manager_get_default (); + gtk_recent_manager_add_item (manager, uri); + + g_free (uri); + } + g_slist_free (list); + } + + gtk_widget_destroy (GTK_WIDGET (widget)); +} + +void +empathy_send_file_with_file_chooser (EmpathyContact *contact) +{ + GtkWidget *widget; + GtkWidget *button; + + g_return_if_fail (EMPATHY_IS_CONTACT (contact)); + + DEBUG ("Creating selection file chooser"); + + widget = gtk_file_chooser_dialog_new (_("Select a file"), + NULL, + GTK_FILE_CHOOSER_ACTION_OPEN, + GTK_STOCK_CANCEL, + GTK_RESPONSE_CANCEL, + NULL); + + /* send button */ + button = gtk_button_new_with_mnemonic (_("_Send")); + gtk_button_set_image (GTK_BUTTON (button), + gtk_image_new_from_icon_name (EMPATHY_IMAGE_DOCUMENT_SEND, + GTK_ICON_SIZE_BUTTON)); + gtk_widget_show (button); + gtk_dialog_add_action_widget (GTK_DIALOG (widget), button, + GTK_RESPONSE_OK); + GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT); + gtk_dialog_set_default_response (GTK_DIALOG (widget), + GTK_RESPONSE_OK); + + g_signal_connect (widget, "response", + G_CALLBACK (file_manager_send_file_response_cb), + contact); + + gtk_widget_show (widget); +} + +typedef struct { + EmpathySound sound_id; + const char * event_ca_id; + const char * event_ca_description; + const char * gconf_key; +} EmpathySoundEntry; + +/* NOTE: these entries MUST be in the same order than EmpathySound enum */ +static EmpathySoundEntry sound_entries[LAST_EMPATHY_SOUND] = { + { EMPATHY_SOUND_MESSAGE_INCOMING, "message-new-instant", + N_("Received an instant message"), EMPATHY_PREFS_SOUNDS_INCOMING_MESSAGE } , + { EMPATHY_SOUND_MESSAGE_OUTGOING, "message-sent-instant", + N_("Sent an instant message"), EMPATHY_PREFS_SOUNDS_OUTGOING_MESSAGE } , + { EMPATHY_SOUND_CONVERSATION_NEW, "message-new-instant", + N_("Incoming chat request"), EMPATHY_PREFS_SOUNDS_NEW_CONVERSATION }, + { EMPATHY_SOUND_CONTACT_CONNECTED, "service-login", + N_("Contact connected"), EMPATHY_PREFS_SOUNDS_CONTACT_LOGIN }, + { EMPATHY_SOUND_CONTACT_DISCONNECTED, "service-logout", + N_("Contact disconnected"), EMPATHY_PREFS_SOUNDS_CONTACT_LOGOUT }, + { EMPATHY_SOUND_ACCOUNT_CONNECTED, "service-login", + N_("Connected to server"), EMPATHY_PREFS_SOUNDS_SERVICE_LOGIN }, + { EMPATHY_SOUND_ACCOUNT_DISCONNECTED, "service-logout", + N_("Disconnected from server"), EMPATHY_PREFS_SOUNDS_SERVICE_LOGOUT }, + { EMPATHY_SOUND_PHONE_INCOMING, "phone-incoming-call", + N_("Incoming voice call"), NULL }, + { EMPATHY_SOUND_PHONE_OUTGOING, "phone-outgoing-calling", + N_("Outgoing voice call"), NULL }, + { EMPATHY_SOUND_PHONE_HANGUP, "phone-hangup", + N_("Voice call ended"), NULL }, +}; + + +static gboolean +empathy_sound_pref_is_enabled (const char *key) +{ + EmpathyConf *conf; + gboolean res; + + conf = empathy_conf_get (); + res = FALSE; + + empathy_conf_get_bool (conf, EMPATHY_PREFS_SOUNDS_ENABLED, &res); + + if (!res) { + return FALSE; + } + + if (!empathy_check_available_state ()) { + empathy_conf_get_bool (conf, EMPATHY_PREFS_SOUNDS_DISABLED_AWAY, + &res); + if (res) { + return FALSE; + } + } + + empathy_conf_get_bool (conf, key, &res); + + return res; +} + +void +empathy_sound_stop (EmpathySound sound_id) +{ + EmpathySoundEntry *entry; + + g_return_if_fail (sound_id < LAST_EMPATHY_SOUND); + + entry = &(sound_entries[sound_id]); + g_return_if_fail (entry->sound_id == sound_id); + + ca_context_cancel (ca_gtk_context_get (), entry->sound_id); +} + + +gboolean +empathy_sound_play_full (GtkWidget *widget, EmpathySound sound_id, + ca_finish_callback_t callback, gpointer user_data) +{ + EmpathySoundEntry *entry; + gboolean should_play = TRUE; + ca_proplist *p = NULL; + ca_context *c; + + g_return_val_if_fail (sound_id < LAST_EMPATHY_SOUND, FALSE); + + entry = &(sound_entries[sound_id]); + g_return_val_if_fail (entry->sound_id == sound_id, FALSE); + + if (entry->gconf_key != NULL) { + should_play = empathy_sound_pref_is_enabled (entry->gconf_key); + } + + if (!should_play) + return FALSE; + + c = ca_gtk_context_get (); + ca_context_cancel (c, entry->sound_id); + + DEBUG ("Play sound \"%s\" (%s)", + entry->event_ca_id, + entry->event_ca_description); + + if (ca_proplist_create(&p) < 0) + goto failed; + + if (ca_proplist_sets (p, CA_PROP_EVENT_ID, entry->event_ca_id) < 0) + goto failed; + + if (ca_proplist_sets (p, CA_PROP_EVENT_DESCRIPTION, + gettext (entry->event_ca_id)) < 0) + goto failed; + + if (ca_gtk_proplist_set_for_widget (p, widget) < 0) + goto failed; + + ca_context_play_full (ca_gtk_context_get (), entry->sound_id, + p, callback, user_data); + + ca_proplist_destroy (p); + + return TRUE; + +failed: + if (p != NULL) + ca_proplist_destroy (p); + + return FALSE; +} + +void +empathy_sound_play (GtkWidget *widget, EmpathySound sound_id) +{ + empathy_sound_play_full (widget, sound_id, NULL, NULL); +} + |