BitHeaven/picom
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Convert find_client_win() to XCB

Browse Source 
This function was the only caller of wid_get_children() which called
XQueryTree().

Signed-off-by: Uli Schlachter <psychon@znc.in>
This commit is contained in:
Uli Schlachter
2018-10-03 14:59:27 +02:00
committed by Yuxuan Shui
parent b2bfbcdfb0
commit 6c6156932f
2 changed files with 14 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
src/compton.c
View File

@@ -985,27 +985,29 @@ paint_root(session_t *ps, const region_t *reg_paint) {
/**
* Look for the client window of a particular window.
*/
Window
find_client_win(session_t *ps, Window w) {
xcb_window_t
find_client_win(session_t *ps, xcb_window_t w) {
if (wid_has_prop(ps, w, ps->atom_client)) {
return w;
}
Window *children;
unsigned int nchildren;
unsigned int i;
Window ret = 0;
if (!wid_get_children(ps, w, &children, &nchildren)) {
xcb_connection_t *c = XGetXCBConnection(ps->dpy);
xcb_query_tree_reply_t *reply = xcb_query_tree_reply(c,
xcb_query_tree(c, w), NULL);
if (!reply)
return 0;
}
xcb_window_t *children = xcb_query_tree_children(reply);
int nchildren = xcb_query_tree_children_length(reply);
int i;
xcb_window_t ret = 0;
for (i = 0; i < nchildren; ++i) {
if ((ret = find_client_win(ps, children[i])))
break;
}
cxfree(children);
free(reply);
return ret;
}