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Simple timeline API.

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Use it to implement the frame key logic.
This commit is contained in:
Marco Pesenti Gritti
2006-09-21 14:08:10 +02:00
parent 4977b44037
commit 446a58d52c
4 changed files with 189 additions and 55 deletions
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bindings/globalkeys/sugar-key-grabber.c
+56 -14
View File
@@ -43,12 +43,15 @@ struct _SugarKeyGrabber {
struct _SugarKeyGrabberClass {
GObjectClass base_class;
void (* key_pressed) (SugarKeyGrabber *grabber,
const char *key);
void (* key_pressed) (SugarKeyGrabber *grabber,
const char *key);
void (* key_released) (SugarKeyGrabber *grabber,
const char *key);
};
enum {
KEY_PRESSED,
KEY_RELEASED,
N_SIGNALS
};
@@ -97,6 +100,34 @@ sugar_key_grabber_class_init(SugarKeyGrabberClass *grabber_class)
g_cclosure_marshal_VOID__STRING,
G_TYPE_NONE, 1,
G_TYPE_STRING);
signals[KEY_RELEASED] = g_signal_new ("key-released",
G_TYPE_FROM_CLASS (grabber_class),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (SugarKeyGrabberClass, key_released),
NULL, NULL,
g_cclosure_marshal_VOID__STRING,
G_TYPE_NONE, 1,
G_TYPE_STRING);
}
static char *
get_key_from_event(SugarKeyGrabber *grabber, XEvent *xev)
{
GList *l;
guint keycode, state;
keycode = xev->xkey.keycode;
state = xev->xkey.state;
for (l = grabber->keys; l != NULL; l = l->next) {
Key *keyinfo = (Key *)l->data;
if (keyinfo->keycode == keycode &&
(state & USED_MODS) == keyinfo->state) {
return g_strdup(keyinfo->key);
}
}
return NULL;
}
static GdkFilterReturn
@@ -105,22 +136,33 @@ filter_events(GdkXEvent *xevent, GdkEvent *event, gpointer data)
SugarKeyGrabber *grabber = (SugarKeyGrabber *)data;
XEvent *xev = (XEvent *)xevent;
if (xev->type == KeyPress) {
GList *l;
guint keycode, state;
if (xev->type == KeyRelease) {
char *key;
key = get_key_from_event(grabber, xevent);
if (key) {
g_signal_emit (grabber, signals[KEY_RELEASED], 0, key);
g_free(key);
return GDK_FILTER_REMOVE;
}
}
if (xev->type == KeyPress) {
char *key;
key = get_key_from_event(grabber, xevent);
if (key) {
g_signal_emit (grabber, signals[KEY_PRESSED], 0, key);
g_free(key);
XGrabKeyboard (GDK_WINDOW_XDISPLAY (grabber->root),
GDK_WINDOW_XID (grabber->root),
0, GrabModeAsync, GrabModeAsync, 0L);
keycode = xev->xkey.keycode;
state = xev->xkey.state;
for (l = grabber->keys; l != NULL; l = l->next) {
Key *keyinfo = (Key *)l->data;
if (keyinfo->keycode == keycode &&
(state & USED_MODS) == keyinfo->state) {
g_signal_emit (grabber, signals[KEY_PRESSED],
0, keyinfo->key);
return GDK_FILTER_REMOVE;
}
}
}
return GDK_FILTER_CONTINUE;