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Use XCB to check if an application is fullscreen

This commit is contained in:
Tasos Sahanidis 2019-06-06 04:37:06 +03:00
parent d45ed14b23
commit 10d5c9b2f9
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GPG Key ID: 01A1DCBA22E005C4
2 changed files with 27 additions and 1 deletions
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4
src/atom.h
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@ -34,7 +34,9 @@
_NET_WM_WINDOW_TYPE_TOOLTIP, \
_NET_WM_WINDOW_TYPE_NOTIFICATION, \
_NET_WM_WINDOW_TYPE_COMBO, \
_NET_WM_WINDOW_TYPE_DND
_NET_WM_WINDOW_TYPE_DND, \
_NET_WM_STATE, \
_NET_WM_STATE_FULLSCREEN
#define ATOM_DEF(x) xcb_atom_t a##x

24
src/win.c
View File

@ -2151,12 +2151,36 @@ static inline bool rect_is_fullscreen(const session_t *ps, int x, int y, int wid
return (x <= 0 && y <= 0 && (x + wid) >= ps->root_width && (y + hei) >= ps->root_height);
}
/**
* Check if a window is fulscreen using EWMH
*/
static inline bool win_is_fullscreen_xcb(xcb_connection_t *c, const struct atom *a, const xcb_window_t w) {
xcb_get_property_cookie_t prop = xcb_get_property(c, 0, w, a->a_NET_WM_STATE, XCB_ATOM_ATOM, 0, 12);
xcb_get_property_reply_t *reply = xcb_get_property_reply(c, prop, NULL);
if(!reply)
return false;
if(reply->length) {
xcb_atom_t *val = xcb_get_property_value(reply);
for(uint32_t i = 0; i < reply->length; i++) {
if(val[i] != a->a_NET_WM_STATE_FULLSCREEN)
continue;
free(reply);
return true;
}
}
free(reply);
return false;
}
/**
* Check if a window is a fullscreen window.
*
* It's not using w->border_size for performance measures.
*/
bool win_is_fullscreen(const session_t *ps, const struct managed_win *w) {
if(win_is_fullscreen_xcb(ps->c, ps->atoms, w->client_win))
return true;
return rect_is_fullscreen(ps, w->g.x, w->g.y, w->widthb, w->heightb) &&
(!w->bounding_shaped || w->rounded_corners);
}