openbox/focus.c (raw)
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#include "openbox.h" #include "client.h" #include "screen.h" #include "prop.h" #include "dispatch.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; Client *old; /* 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); } old = focus_client; focus_client = client; /* set the NET_ACTIVE_WINDOW hint */ active = client ? client->window : None; PROP_SET32(ob_root, net_active_window, window, active); if (focus_client != NULL) dispatch_client(Event_Client_Focus, focus_client, 0, 0); if (old != NULL) dispatch_client(Event_Client_Unfocus, old, 0, 0); } |