openbox/plugins/focus.c

122 lines
3.5 KiB
C

#include "../kernel/dispatch.h"
#include "../kernel/screen.h"
#include "../kernel/client.h"
#include "../kernel/frame.h"
#include "../kernel/focus.h"
#include "../kernel/stacking.h"
#include "../kernel/openbox.h"
/* config options */
static gboolean follow_mouse = TRUE;
static gboolean warp_on_desk_switch = TRUE;
static gboolean focus_new = FALSE;
static int skip_enter = 0;
static gboolean focus_under_pointer()
{
Window w;
int i, x, y;
guint u;
GList *it;
if (XQueryPointer(ob_display, ob_root, &w, &w, &x, &y, &i, &i, &u))
{
for (it = stacking_list; it != NULL; it = it->next) {
Client *c = it->data;
if (c->desktop == screen_desktop &&
RECT_CONTAINS(c->frame->area, x, y))
break;
}
if (it != NULL) {
client_focus(it->data);
return TRUE;
}
}
return FALSE;
}
static void focus_fallback(gboolean switching_desks)
{
GList *it;
for (it = focus_order[screen_desktop]; it != NULL; it = it->next)
if (client_normal(it->data) && client_focus(it->data)) {
if (switching_desks && warp_on_desk_switch) {
XEvent e;
Client *c = it->data;
/* skip the next enter event from the desktop switch so focus
doesn't skip briefly to what was under the pointer */
while (XCheckTypedEvent(ob_display, EnterNotify, &e));
/*
XPutBackEvent(ob_display, &e);
/\* XXX WERE NOT SKIPPING THEM ALL@&*)! *\/
g_message("Skip");
++skip_enter;
}
*/
/* I have to do this warp twice! Otherwise windows dont get
Enter/Leave events when i warp on a desktop switch! */
XWarpPointer(ob_display, None, c->window, 0, 0, 0, 0,
c->area.width / 2, c->area.height / 2);
XWarpPointer(ob_display, None, c->window, 0, 0, 0, 0,
c->area.width / 2, c->area.height / 2);
}
break;
}
}
static void events(ObEvent *e, void *foo)
{
switch (e->type) {
case Event_Client_Mapped:
if (focus_new && client_normal(e->data.c.client))
client_focus(e->data.c.client);
break;
case Event_Client_Unmapped:
if (ob_state == State_Exiting) break;
if (e->data.c.client->focused)
if (!follow_mouse || !focus_under_pointer())
focus_fallback(FALSE);
break;
case Event_Client_Desktop:
/* focus the next available target if moving from the current
desktop. */
if ((unsigned)e->data.c.num[1] == screen_desktop)
if (!follow_mouse || !focus_under_pointer())
focus_fallback(FALSE);
case Event_Ob_Desktop:
focus_fallback(TRUE);
break;
case Event_X_EnterNotify:
if (skip_enter)
--skip_enter;
else if (e->data.x.client && client_normal(e->data.x.client))
client_focus(e->data.x.client);
break;
default:
g_assert_not_reached();
}
}
void plugin_startup()
{
dispatch_register(Event_Client_Mapped |
Event_Ob_Desktop |
Event_Client_Unmapped |
Event_X_EnterNotify,
(EventHandler)events, NULL);
}
void plugin_shutdown()
{
dispatch_register(0, (EventHandler)events, NULL);
}