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Bugfix: unmap windows in a separate step to avoid focus problems with fullscreen windows

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This fixes an ugly bug with Adobe Flash in fullscreen mode, for example on
YouTube. See comments in the diff for some explanation.
This commit is contained in:
Michael Stapelberg 2010-11-27 17:45:23 +01:00
parent d47a1edf22
commit 2c3e5dbc65
1 changed files with 75 additions and 39 deletions
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82
src/x.c
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@ -454,29 +454,12 @@ static void x_push_node(Con *con) {
fake_notify = true;
}
/* map/unmap if map state changed, also ensure that the child window
/* Map if map state changed, also ensure that the child window
* is changed if we are mapped *and* in initial state (meaning the
* container was empty before, but now got a child) */
if (state->mapped != con->mapped || (con->mapped && state->initial)) {
if (!con->mapped) {
xcb_void_cookie_t cookie;
if (con->window != NULL) {
/* Set WM_STATE_WITHDRAWN, it seems like Java apps need it */
long data[] = { XCB_WM_STATE_WITHDRAWN, XCB_NONE };
xcb_change_property(conn, XCB_PROP_MODE_REPLACE, con->window->id,
atoms[WM_STATE], atoms[WM_STATE], 32, 2, data);
}
cookie = xcb_unmap_window(conn, con->frame);
LOG("unmapping container (serial %d)\n", cookie.sequence);
/* we need to increase ignore_unmap for this container (if it contains a window) and for every window "under" this one which contains a window */
if (con->window != NULL) {
con->ignore_unmap++;
DLOG("ignore_unmap for con %p (frame 0x%08x) now %d\n", con, con->frame, con->ignore_unmap);
}
/* Ignore enter_notifies which are generated when unmapping */
add_ignore_event(cookie.sequence);
} else {
* container was empty before, but now got a child). Unmaps are handled in
* x_push_node_unmaps(). */
if ((state->mapped != con->mapped || (con->mapped && state->initial)) &&
con->mapped) {
xcb_void_cookie_t cookie;
if (con->window != NULL) {
@ -498,7 +481,6 @@ static void x_push_node(Con *con) {
LOG("mapping container (serial %d)\n", cookie.sequence);
/* Ignore enter_notifies which are generated when mapping */
add_ignore_event(cookie.sequence);
}
state->mapped = con->mapped;
}
@ -518,6 +500,57 @@ static void x_push_node(Con *con) {
x_draw_decoration(con);
}
/*
* Same idea as in x_push_node(), but this function only unmaps windows. It is
* necessary to split this up to handle new fullscreen clients properly: The
* new window needs to be mapped and focus needs to be set *before* the
* underlying windows are unmapped. Otherwise, focus will revert to the
* PointerRoot and will then be set to the new window, generating unnecessary
* FocusIn/FocusOut events.
*
*/
static void x_push_node_unmaps(Con *con) {
Con *current;
con_state *state;
LOG("Pushing changes (with unmaps) for node %p / %s\n", con, con->name);
state = state_for_frame(con->frame);
/* map/unmap if map state changed, also ensure that the child window
* is changed if we are mapped *and* in initial state (meaning the
* container was empty before, but now got a child) */
if ((state->mapped != con->mapped || (con->mapped && state->initial)) &&
!con->mapped) {
xcb_void_cookie_t cookie;
if (con->window != NULL) {
/* Set WM_STATE_WITHDRAWN, it seems like Java apps need it */
long data[] = { XCB_WM_STATE_WITHDRAWN, XCB_NONE };
xcb_change_property(conn, XCB_PROP_MODE_REPLACE, con->window->id,
atoms[WM_STATE], atoms[WM_STATE], 32, 2, data);
}
cookie = xcb_unmap_window(conn, con->frame);
LOG("unmapping container (serial %d)\n", cookie.sequence);
/* we need to increase ignore_unmap for this container (if it
* contains a window) and for every window "under" this one which
* contains a window */
if (con->window != NULL) {
con->ignore_unmap++;
DLOG("ignore_unmap for con %p (frame 0x%08x) now %d\n", con, con->frame, con->ignore_unmap);
}
/* Ignore enter_notifies which are generated when unmapping */
add_ignore_event(cookie.sequence);
state->mapped = con->mapped;
}
/* handle all children and floating windows of this node */
TAILQ_FOREACH(current, &(con->nodes_head), nodes)
x_push_node_unmaps(current);
TAILQ_FOREACH(current, &(con->floating_head), floating_windows)
x_push_node_unmaps(current);
}
/*
* Pushes all changes (state of each node, see x_push_node() and the window
* stack) to X11.
@ -557,11 +590,14 @@ void x_push_changes(Con *con) {
if (focused_id != to_focus) {
LOG("Updating focus (focused: %p / %s)\n", focused, focused->name);
xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, to_focus, XCB_CURRENT_TIME);
focused_id = to_focus;
}
xcb_flush(conn);
LOG("\n\n ENDING CHANGES\n\n");
x_push_node_unmaps(con);
/* save the current stack as old stack */
CIRCLEQ_FOREACH(state, &state_head, state) {
CIRCLEQ_REMOVE(&old_state_head, state, old_state);