diff options
Diffstat (limited to 'src/sugar/sugar-key-grabber.c')
| -rw-r--r-- | src/sugar/sugar-key-grabber.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/sugar/sugar-key-grabber.c b/src/sugar/sugar-key-grabber.c index baddab5..8e18c86 100644 --- a/src/sugar/sugar-key-grabber.c +++ b/src/sugar/sugar-key-grabber.c @@ -217,3 +217,42 @@ sugar_key_grabber_grab(SugarKeyGrabber *grabber, const char *key) grabber->keys = g_list_append(grabber->keys, keyinfo); } + +gboolean +sugar_key_grabber_is_modifier(SugarKeyGrabber *grabber, guint keycode, guint mask) +{ + Display *xdisplay; + XModifierKeymap *modmap; + gint start, end, i, mod_index; + gboolean is_modifier = FALSE; + + xdisplay = gdk_x11_drawable_get_xdisplay(GDK_DRAWABLE (grabber->root)); + + modmap = XGetModifierMapping(xdisplay); + + if (mask != -1) { + mod_index = 0; + mask = mask >> 1; + while (mask != 0) { + mask = mask >> 1; + mod_index += 1; + } + start = mod_index * modmap->max_keypermod; + end = (mod_index + 1) * modmap->max_keypermod; + } else { + start = 0; + end = 8 * modmap->max_keypermod; + } + + for (i = start; i < end; i++) { + if (keycode == modmap->modifiermap[i]) { + is_modifier = TRUE; + break; + } + } + + XFreeModifiermap (modmap); + + return is_modifier; +} + |