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Improve/fix fullscreen on X11

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- Fix fullscreen flag being unconditionally added.
- Fix setup for non-WM-compliants.
- Backport setting the compositor hint (from 3.0).
This commit is contained in:
Pedro J. Estébanez 2018-02-16 21:51:54 +01:00
parent d452f46a38
commit 04151ac0b4
1 changed files with 15 additions and 6 deletions
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21
platform/x11/os_x11.cpp
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@ -691,10 +691,14 @@ void OS_X11::set_wm_fullscreen(bool p_enabled) {
hints.decorations = 0;
property = XInternAtom(x11_display, "_MOTIF_WM_HINTS", True);
XChangeProperty(x11_display, x11_window, property, property, 32, PropModeReplace, (unsigned char *)&hints, 5);
XMapRaised(x11_display, x11_window);
XWindowAttributes xwa;
XGetWindowAttributes(x11_display, DefaultRootWindow(x11_display), &xwa);
XMoveResizeWindow(x11_display, x11_window, 0, 0, xwa.width, xwa.height);
if (p_enabled) {
XMapRaised(x11_display, x11_window);
XWindowAttributes xwa;
XGetWindowAttributes(x11_display, DefaultRootWindow(x11_display), &xwa);
XMoveResizeWindow(x11_display, x11_window, 0, 0, xwa.width, xwa.height);
} else {
XResizeWindow(x11_display, x11_window, current_videomode.width, current_videomode.height);
}
// code for netwm-compliants
XEvent xev;
@ -706,12 +710,17 @@ void OS_X11::set_wm_fullscreen(bool p_enabled) {
xev.xclient.window = x11_window;
xev.xclient.message_type = wm_state;
xev.xclient.format = 32;
xev.xclient.data.l[0] = 1;
xev.xclient.data.l[0] = p_enabled ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE;
xev.xclient.data.l[1] = fullscreen;
xev.xclient.data.l[2] = 0;
XSendEvent(x11_display, DefaultRootWindow(x11_display), False, SubstructureNotifyMask, &xev);
// set bypass compositor hint
Atom bypass_compositor = XInternAtom(x11_display, "_NET_WM_BYPASS_COMPOSITOR", False);
unsigned long compositing_disable_on = p_enabled ? 1 : 0;
XChangeProperty(x11_display, x11_window, bypass_compositor, XA_CARDINAL, 32, PropModeReplace, (unsigned char *)&compositing_disable_on, 1);
XFlush(x11_display);
if (!p_enabled && !is_window_resizable()) {
@ -900,7 +909,7 @@ Size2 OS_X11::get_real_window_size() const {
unsigned long remaining;
unsigned char *data = NULL;
if (XGetWindowProperty(x11_display, x11_window, prop, 0, 4, False, AnyPropertyType, &type, &format, &len, &remaining, &data) == Success) {
long *extents = (long*) data;
long *extents = (long *)data;
w += extents[0] + extents[1]; // left, right
h += extents[2] + extents[3]; // top, bottom
}