bool ewmh_handle_struts(xcb_window_t win)
{
xcb_ewmh_wm_strut_partial_t struts;
bool changed = false;
if (xcb_ewmh_get_wm_strut_partial_reply(ewmh, xcb_ewmh_get_wm_strut_partial(ewmh, win), &struts, NULL) == 1) {
for (monitor_t *m = mon_head; m != NULL; m = m->next) {
xcb_rectangle_t rect = m->rectangle;
if (rect.x < (int16_t) struts.left &&
(int16_t) struts.left < (rect.x + rect.width - 1) &&
(int16_t) struts.left_end_y >= rect.y &&
(int16_t) struts.left_start_y < (rect.y + rect.height)) {
int dx = struts.left - rect.x;
if (m->padding.left < 0) {
m->padding.left += dx;
} else {
m->padding.left = MAX(dx, m->padding.left);
}
changed = true;
}
if ((rect.x + rect.width) > (int16_t) (screen_width - struts.right) &&
(int16_t) (screen_width - struts.right) > rect.x &&
(int16_t) struts.right_end_y >= rect.y &&
(int16_t) struts.right_start_y < (rect.y + rect.height)) {
int dx = (rect.x + rect.width) - screen_width + struts.right;
if (m->padding.right < 0) {
m->padding.right += dx;
} else {
m->padding.right = MAX(dx, m->padding.right);
}
changed = true;
}
if (rect.y < (int16_t) struts.top &&
(int16_t) struts.top < (rect.y + rect.height - 1) &&
(int16_t) struts.top_end_x >= rect.x &&
(int16_t) struts.top_start_x < (rect.x + rect.width)) {
int dy = struts.top - rect.y;
if (m->padding.top < 0) {
m->padding.top += dy;
} else {
m->padding.top = MAX(dy, m->padding.top);
}
changed = true;
}
if ((rect.y + rect.height) > (int16_t) (screen_height - struts.bottom) &&
(int16_t) (screen_height - struts.bottom) > rect.y &&
(int16_t) struts.bottom_end_x >= rect.x &&
(int16_t) struts.bottom_start_x < (rect.x + rect.width)) {
int dy = (rect.y + rect.height) - screen_height + struts.bottom;
if (m->padding.bottom < 0) {
m->padding.bottom += dy;
} else {
m->padding.bottom = MAX(dy, m->padding.bottom);
}
changed = true;
}
}
}
return changed;
}
void Client::updatePartialStrut(xcb_ewmh_connection_t* conn, xcb_get_property_cookie_t cookie)
{
if (!xcb_ewmh_get_wm_strut_partial_reply(conn, cookie, &mStrut, 0)) {
memset(&mStrut, '\0', sizeof(mStrut));
}
}
