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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "System/Platform/WindowManagerHelper.h"
#include <SDL_syswm.h>
#ifndef HEADLESS
#include <X11/Xlib.h>
#undef KeyPress
#undef KeyRelease
#undef GrayScale
#endif
namespace WindowManagerHelper {
void BlockCompositing(SDL_Window* window)
{
#ifndef HEADLESS
SDL_SysWMinfo info;
SDL_VERSION(&info.version);
if (!SDL_GetWindowWMInfo(window, &info))
return;
auto x11display = info.info.x11.display;
auto x11window = info.info.x11.window;
bool b = true;
Atom blockCompositAtomKDE = XInternAtom(x11display, "_KDE_NET_WM_BLOCK_COMPOSITING", false);
XChangeProperty(x11display, x11window, blockCompositAtomKDE, XA_INTEGER, 8, PropModeReplace, (const unsigned char*)&b, 1);
Atom blockCompositAtom = XInternAtom(x11display, "_NET_WM_BYPASS_COMPOSITOR", false);
XChangeProperty(x11display, x11window, blockCompositAtom, XA_INTEGER, 8, PropModeReplace, (const unsigned char*)&b, 1);
#endif
}
int GetWindowState(SDL_Window* window)
{
int flags = 0;
#ifndef HEADLESS
SDL_SysWMinfo info;
SDL_VERSION(&info.version);
if (!SDL_GetWindowWMInfo(window, &info))
return 0;
auto x11display = info.info.x11.display;
auto x11window = info.info.x11.window;
// XGetWindowProperty stuff
Atom actual_type;
int actual_format;
unsigned long nitems;
unsigned long bytes_remaining;
Atom* data;
int status;
Atom atom = XInternAtom(x11display, "_NET_WM_STATE", true);
Atom maxVAtom = XInternAtom(x11display, "_NET_WM_STATE_MAXIMIZED_VERT", false);
Atom maxHAtom = XInternAtom(x11display, "_NET_WM_STATE_MAXIMIZED_HORZ", false);
Atom minAtom = XInternAtom(x11display, "_NET_WM_STATE_HIDDEN", false);
status = XGetWindowProperty(
x11display,
x11window,
atom,
0,
20,
false,
AnyPropertyType,
&actual_type,
&actual_format,
&nitems,
&bytes_remaining,
(unsigned char**)&data);
if (status != Success)
return 0;
int maximized = 0;
bool minimized = false;
for (int i=0; i<nitems; i++) {
Atom& a = data[i];
if (a == maxVAtom) {
maximized |= 1;
} else
if (a == maxHAtom) {
maximized |= 2;
} else
if (a == minAtom) {
minimized = true;
}
}
XFree(data);
flags |= (maximized == 3) ? SDL_WINDOW_MAXIMIZED : 0;
flags |= (minimized) ? SDL_WINDOW_MINIMIZED : 0;
#endif
return flags;
}
}; // namespace WindowManagerHelper
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