bool XKeybinder::get_accel_keys(const std::string & key, guint & keyval,
Gdk::ModifierType & mods)
{
keyval = 0;
mods = (Gdk::ModifierType)0;
try {
std::string binding = Preferences::obj().get_schema_settings(
Preferences::SCHEMA_KEYBINDINGS)->get_string(key);
if (binding.empty() || binding == "disabled") {
return false;
}
EggVirtualModifierType virtual_mods = (EggVirtualModifierType)0;
if (!egg_accelerator_parse_virtual (binding.c_str(),
&keyval,
&virtual_mods)) {
return false;
}
GdkKeymap *keymap = gdk_keymap_get_default();
GdkModifierType pmods = (GdkModifierType)0;
egg_keymap_resolve_virtual_modifiers (keymap,
virtual_mods,
&pmods);
mods = (Gdk::ModifierType)pmods;
}
catch (...) {
return false;
}
return true;
}
static gboolean
do_grab_key (Binding *binding)
{
GdkKeymap *keymap = gdk_keymap_get_default ();
GdkWindow *rootwin = gdk_get_default_root_window ();
EggVirtualModifierType virtual_mods = 0;
guint keysym = 0;
if (keymap == NULL || rootwin == NULL)
return FALSE;
if (!egg_accelerator_parse_virtual (binding->keystring,
&keysym,
&virtual_mods))
return FALSE;
TRACE (g_print ("Got accel %d, %d\n", keysym, virtual_mods));
binding->keycode = XKeysymToKeycode (GDK_WINDOW_XDISPLAY (rootwin),
keysym);
if (binding->keycode == 0)
return FALSE;
TRACE (g_print ("Got keycode %d\n", binding->keycode));
egg_keymap_resolve_virtual_modifiers (keymap,
virtual_mods,
&binding->modifiers);
if (binding->modifiers == 0)
return FALSE;
TRACE (g_print ("Got modmask %d\n", binding->modifiers));
gdk_error_trap_push ();
grab_ungrab_with_ignorable_modifiers (rootwin,
binding,
TRUE /* grab */);
gdk_flush ();
if (gdk_error_trap_pop ()) {
g_warning ("Binding '%s' failed!\n", binding->keystring);
return FALSE;
}
return TRUE;
}
void
sugar_key_grabber_grab_keys(SugarKeyGrabber *grabber, const char **keys)
{
const char **cur = keys;
const char *key;
Key *keyinfo = NULL;
int min_keycodes, max_keycodes;
XDisplayKeycodes(GDK_DISPLAY_XDISPLAY(gdk_display_get_default()),
&min_keycodes, &max_keycodes);
while (*cur != NULL) {
key = *cur;
cur += 1;
keyinfo = g_new0 (Key, 1);
keyinfo->key = g_strdup(key);
if (!egg_accelerator_parse_virtual (key, &keyinfo->keysym,
&keyinfo->keycode,
&keyinfo->state)) {
g_warning ("Invalid key specified: %s", key);
continue;
}
if (keyinfo->keycode < min_keycodes || keyinfo->keycode > max_keycodes) {
g_warning ("Keycode out of bounds: %d for key %s", keyinfo->keycode, key);
continue;
}
gdk_error_trap_push();
grab_key(grabber, keyinfo, TRUE);
gdk_flush();
gint error_code = gdk_error_trap_pop ();
if(!error_code)
grabber->keys = g_list_append(grabber->keys, keyinfo);
else if(error_code == BadAccess)
g_warning ("Grab failed, another application may already have access to key '%s'", key);
else if(error_code == BadValue)
g_warning ("Grab failed, invalid key %s specified. keysym: %u keycode: %u state: %u",
key, keyinfo->keysym, keyinfo->keycode, keyinfo->state);
else
g_warning ("Grab failed for key '%s' for unknown reason '%d'", key, error_code);
}
}
