openbox/c/focus.c
2003-03-16 21:11:39 +00:00

56 lines
1.5 KiB
C

#include "openbox.h"
#include "client.h"
#include "screen.h"
#include "prop.h"
#include "hooks.h"
#include <X11/Xlib.h>
Client *focus_client = NULL;
Window focus_backup = None;
void focus_set_client(Client *client);
void focus_startup()
{
/* create the window which gets focus when no clients get it. Have to
make it override-redirect so we don't try manage it, since it is
mapped. */
XSetWindowAttributes attrib;
attrib.override_redirect = TRUE;
focus_backup = XCreateWindow(ob_display, ob_root,
-100, -100, 1, 1, 0, 0, InputOnly,
CopyFromParent, CWOverrideRedirect, &attrib);
XMapRaised(ob_display, focus_backup);
/* start with nothing focused */
focus_set_client(NULL);
}
void focus_set_client(Client *client)
{
Window active;
/* sometimes this is called with the already-focused window, this is
important for the python scripts to work (eg, c = 0 twice). don't just
return if _focused_client == c */
/* uninstall the old colormap, and install the new one */
screen_install_colormap(focus_client, FALSE);
screen_install_colormap(client, TRUE);
if (client == NULL) {
/* when nothing will be focused, send focus to the backup target */
XSetInputFocus(ob_display, focus_backup, RevertToNone, CurrentTime);
}
focus_client = client;
/* set the NET_ACTIVE_WINDOW hint */
active = client ? client->window : None;
PROP_SET32(ob_root, net_active_window, window, active);
LOGICALHOOK(Focus, g_quark_try_string("client"), client);
}