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CIrrDeviceLinux: reimplement fullscreen using NetWM hint

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This commit is contained in:
sfan5 2021-06-15 17:43:40 +02:00
parent 39c45024ed
commit 57a51e7ac4
1 changed files with 30 additions and 9 deletions
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39
source/Irrlicht/CIrrDeviceLinux.cpp
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@ -94,6 +94,7 @@ namespace
Atom X_ATOM_NETWM_MAXIMIZE_VERT;
Atom X_ATOM_NETWM_MAXIMIZE_HORZ;
Atom X_ATOM_NETWM_STATE;
Atom X_ATOM_NETWM_STATE_FULLSCREEN;
Atom X_ATOM_WM_DELETE_WINDOW;
@ -252,7 +253,26 @@ bool CIrrDeviceLinux::switchToFullscreen()
if (!CreationParams.Fullscreen)
return true;
// To be filled...
if (!HasNetWM)
{
os::Printer::log("NetWM support is required to allow Irrlicht to switch "
"to fullscreen mode. Running in windowed mode instead.", ELL_WARNING);
CreationParams.Fullscreen = false;
return false;
}
XEvent ev = {0};
ev.type = ClientMessage;
ev.xclient.window = XWindow;
ev.xclient.message_type = X_ATOM_NETWM_STATE;
ev.xclient.format = 32;
ev.xclient.data.l[0] = 1; // _NET_WM_STATE_ADD
ev.xclient.data.l[1] = X_ATOM_NETWM_STATE_FULLSCREEN;
XSendEvent(XDisplay, DefaultRootWindow(XDisplay), false,
SubstructureNotifyMask | SubstructureRedirectMask, &ev);
return true;
}
@ -309,7 +329,12 @@ bool CIrrDeviceLinux::createWindow()
Screennr = DefaultScreen(XDisplay);
switchToFullscreen();
initXAtoms();
// check netwm support
Atom WMCheck = XInternAtom(XDisplay, "_NET_SUPPORTING_WM_CHECK", True);
if (WMCheck != None)
HasNetWM = true;
#if defined(_IRR_COMPILE_WITH_OPENGL_)
// don't use the XVisual with OpenGL, because it ignores all requested
@ -425,6 +450,8 @@ bool CIrrDeviceLinux::createWindow()
ExternalWindow = true;
}
switchToFullscreen();
WindowMinimized=false;
// Currently broken in X, see Bug ID 2795321
// XkbSetDetectableAutoRepeat(XDisplay, True, &AutorepeatSupport);
@ -458,13 +485,6 @@ bool CIrrDeviceLinux::createWindow()
SoftwareImage->data = (char*) malloc(SoftwareImage->bytes_per_line * SoftwareImage->height * sizeof(char));
}
initXAtoms();
// check netwm support
Atom WMCheck = XInternAtom(XDisplay, "_NET_SUPPORTING_WM_CHECK", true);
if (WMCheck != None)
HasNetWM = true;
initXInput2();
#endif // #ifdef _IRR_COMPILE_WITH_X11_
@ -1863,6 +1883,7 @@ void CIrrDeviceLinux::initXAtoms()
X_ATOM_NETWM_MAXIMIZE_VERT = XInternAtom(XDisplay, "_NET_WM_STATE_MAXIMIZED_VERT", true);
X_ATOM_NETWM_MAXIMIZE_HORZ = XInternAtom(XDisplay, "_NET_WM_STATE_MAXIMIZED_HORZ", true);
X_ATOM_NETWM_STATE = XInternAtom(XDisplay, "_NET_WM_STATE", true);
X_ATOM_NETWM_STATE_FULLSCREEN = XInternAtom(XDisplay, "_NET_WM_STATE_FULLSCREEN", True);
#endif
}