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ewmh: Cache idx to avoid xcb_change_property calls 

Updates ewmh_update_current_desktop, ewmh_update_number_of_desktops
This commit is contained in:
Orestis Floros 2019-05-03 16:04:32 +03:00
parent 8c25bc1bd4
commit 830465b39f
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GPG Key ID: E9AD9F32E401E38F
1 changed files with 13 additions and 2 deletions
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15
src/ewmh.c
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@ -24,10 +24,15 @@ xcb_window_t ewmh_window;
*
*/
void ewmh_update_current_desktop(void) {
static uint32_t old_idx = NET_WM_DESKTOP_NONE;
const uint32_t idx = ewmh_get_workspace_index(focused);
if (idx != NET_WM_DESKTOP_NONE) {
xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root, A__NET_CURRENT_DESKTOP, XCB_ATOM_CARDINAL, 32, 1, &idx);
if (idx == old_idx || idx == NET_WM_DESKTOP_NONE) {
return;
}
old_idx = idx;
xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root, A__NET_CURRENT_DESKTOP, XCB_ATOM_CARDINAL, 32, 1, &idx);
}
/*
@ -36,12 +41,18 @@ void ewmh_update_current_desktop(void) {
*/
void ewmh_update_number_of_desktops(void) {
Con *output, *ws;
static uint32_t old_idx = 0;
uint32_t idx = 0;
FOREACH_NONINTERNAL {
idx++;
};
if (idx == old_idx) {
return;
}
old_idx = idx;
xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
A__NET_NUMBER_OF_DESKTOPS, XCB_ATOM_CARDINAL, 32, 1, &idx);
}