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Updated Linux X11 & OLGX hooks.

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Use LD_PRELOAD=$PWD/libsteam_api.so app_name to load overlay.
This commit is contained in:
Nemirtingas 2019-09-03 10:32:32 +02:00
parent d6f29ffffa
commit ecd753422b
5 changed files with 232 additions and 139 deletions
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180
overlay_experimental/Renderer_Detector.cpp
View file

@ -509,7 +509,13 @@ void Renderer_Detector::find_renderer_proc(Renderer_Detector* _this)
Hook_Manager& hm = Hook_Manager::Inst(); Hook_Manager& hm = Hook_Manager::Inst();
hm.AddHook(_this->rendererdetect_hook); hm.AddHook(_this->rendererdetect_hook);
std::vector<std::string> const libraries = { "opengl32.dll", "d3d12.dll", "d3d11.dll", "d3d10.dll", "d3d9.dll" }; std::vector<std::string> const libraries = {
OpenGL_Hook::DLL_NAME,
DX12_Hook::DLL_NAME,
DX11_Hook::DLL_NAME,
DX10_Hook::DLL_NAME,
DX9_Hook::DLL_NAME
};
while (!_this->_renderer_found && !_this->stop_retry()) while (!_this->_renderer_found && !_this->stop_retry())
{ {
@ -615,8 +621,12 @@ Renderer_Detector::Renderer_Detector():
#include <dlfcn.h> #include <dlfcn.h>
#include <fstream> #include <fstream>
static decltype(glXSwapBuffers)* _glXSwapBuffers = nullptr; extern "C" void *_dl_sym(void *, const char *, void *);
static decltype(glXGetProcAddress)* real_glXGetProcAddress = nullptr;
static decltype(glXGetProcAddressARB)* real_glXGetProcAddressARB = nullptr;
/*
void Renderer_Detector::MyglXSwapBuffers(Display *dpy, GLXDrawable drawable) void Renderer_Detector::MyglXSwapBuffers(Display *dpy, GLXDrawable drawable)
{ {
Renderer_Detector& inst = Renderer_Detector::Inst(); Renderer_Detector& inst = Renderer_Detector::Inst();
@ -653,7 +663,7 @@ void Renderer_Detector::hook_openglx(const char* libname)
} }
if (glXSwapBuffers != nullptr) if (glXSwapBuffers != nullptr)
{ {
PRINT_DEBUG("Hooked glXMakeCurrent to detect OpenGLX\n"); PRINT_DEBUG("Hooked glXSwapBuffers to detect OpenGLX\n");
_oglx_hooked = true; _oglx_hooked = true;
auto h = OpenGLX_Hook::Inst(); auto h = OpenGLX_Hook::Inst();
@ -663,7 +673,7 @@ void Renderer_Detector::hook_openglx(const char* libname)
} }
else else
{ {
PRINT_DEBUG("Failed to Hook glXMakeCurrent to detect OpenGLX\n"); PRINT_DEBUG("Failed to Hook glXSwapBuffers to detect OpenGLX\n");
} }
} }
} }
@ -673,54 +683,15 @@ void Renderer_Detector::create_hook(const char* libname)
if (strcasestr(libname, OpenGLX_Hook::DLL_NAME) != nullptr) if (strcasestr(libname, OpenGLX_Hook::DLL_NAME) != nullptr)
hook_openglx(libname); hook_openglx(libname);
} }
*/
void Renderer_Detector::find_renderer_proc(Renderer_Detector* _this) void Renderer_Detector::find_renderer_proc(Renderer_Detector* _this)
{ {
/*
_this->rendererdetect_hook = new Base_Hook(); _this->rendererdetect_hook = new Base_Hook();
Hook_Manager& hm = Hook_Manager::Inst(); Hook_Manager& hm = Hook_Manager::Inst();
hm.AddHook(_this->rendererdetect_hook); hm.AddHook(_this->rendererdetect_hook);
*/
std::vector<std::string> const libraries = { "libGLX.so" };
while (!_this->_renderer_found && !_this->stop_retry())
{
std::ifstream flibrary("/proc/self/maps");
std::string line;
while( std::getline(flibrary, line) )
{
std::for_each(libraries.begin(), libraries.end(), [&line, &_this]( std::string const& library )
{
if( std::search(line.begin(), line.end(), library.begin(), library.end()) != line.end() )
{
_this->create_hook(line.substr(line.find('/')).c_str());
}
});
}
std::this_thread::sleep_for(std::chrono::milliseconds(500));
}
if (_this->game_renderer == nullptr) // Couldn't hook renderer
{
hm.RemoveHook(X11_Hook::Inst());
}
else
{
hm.AddHook(X11_Hook::Inst());
}
if (_this->_oglx_hooked)
{
auto h = OpenGLX_Hook::Inst();
if (h != _this->game_renderer)
{
_this->_oglx_hooked = false;
hm.RemoveHook(h);
}
}
delete _this->_hook_thread;
_this->_hook_thread = nullptr;
} }
Renderer_Detector::Renderer_Detector(): Renderer_Detector::Renderer_Detector():
@ -732,6 +703,123 @@ Renderer_Detector::Renderer_Detector():
game_renderer(nullptr) game_renderer(nullptr)
{} {}
static decltype(dlsym)* real_dlsym = nullptr;
// hook library static loading
extern "C" int XEventsQueued(Display *display, int mode)
{
auto h = X11_Hook::Inst();
if( h->get_XEventsQueued() == nullptr )
h->loadXEventsQueued((decltype(XEventsQueued)*)real_dlsym(RTLD_NEXT, "XEventsQueued"));
return X11_Hook::MyXEventsQueued(display, mode);
}
//extern "C" int XPeekEvent(Display *display, XEvent *event)
//{
// auto h = X11_Hook::Inst();
// if( h->get_XPeekEvent() == nullptr )
// h->loadXPeekEvent((decltype(XPeekEvent)*)real_dlsym(RTLD_NEXT, "XPeekEvent"));
//
// return X11_Hook::MyXPeekEvent(display, event);
//}
//extern "C" int XNextEvent(Display *display, XEvent *event)
//{
// auto h = X11_Hook::Inst();
// if( h->get_XNextEvent() == nullptr )
// h->loadXNextEvent((decltype(XNextEvent)*)real_dlsym(RTLD_NEXT, "XNextEvent"));
//
// return X11_Hook::MyXNextEvent(display, event);
//}
extern "C" int XPending(Display *display)
{
auto h = X11_Hook::Inst();
if( h->get_XPending() == nullptr )
h->loadXPending((decltype(XPending)*)real_dlsym(RTLD_NEXT, "XPending"));
return X11_Hook::MyXPending(display);
}
extern "C" void glXSwapBuffers(Display *display, GLXDrawable drawable)
{
OpenGLX_Hook::Inst()->start_hook();
OpenGLX_Hook::MyglXSwapBuffers(display, drawable);
}
extern "C" __GLXextFuncPtr glXGetProcAddress(const GLubyte * procName)
{
if( strcmp((const char*)procName, "glXSwapBuffers") == 0 )
{
decltype(glXSwapBuffers)* real_glXSwapBuffers = (decltype(real_glXSwapBuffers))real_glXGetProcAddress(procName);
OpenGLX_Hook::Inst()->loadFunctions(real_glXSwapBuffers);
return (__GLXextFuncPtr)glXSwapBuffers;
}
__GLXextFuncPtr func = (__GLXextFuncPtr)real_glXGetProcAddress(procName);
return func;
}
extern "C" __GLXextFuncPtr glXGetProcAddressARB (const GLubyte* procName)
{
if( strcmp((const char*)procName, "glXSwapBuffers") == 0 )
{
decltype(glXSwapBuffers)* real_glXSwapBuffers = (decltype(real_glXSwapBuffers))real_glXGetProcAddressARB(procName);
OpenGLX_Hook::Inst()->loadFunctions(real_glXSwapBuffers);
return (__GLXextFuncPtr)glXSwapBuffers;
}
__GLXextFuncPtr func = (__GLXextFuncPtr)real_glXGetProcAddressARB(procName);
return func;
}
extern "C" void* dlsym(void* handle, const char* name)
{
if (real_dlsym == nullptr)
real_dlsym = (decltype(dlsym)*)_dl_sym(RTLD_NEXT, "dlsym", reinterpret_cast<void*>(dlsym));
if ( strcmp(name,"dlsym") == 0 )
return (void*)dlsym;
if( strcmp(name, "glXGetProcAddress") == 0 )
{
if( real_glXGetProcAddress == nullptr )
{
real_glXGetProcAddress = (decltype(glXGetProcAddress)*)real_dlsym(RTLD_NEXT, "glXGetProcAddress");
}
return (void*)glXGetProcAddress;
}
if( strcmp(name, "glXGetProcAddressARB") == 0 )
{
if( real_glXGetProcAddressARB == nullptr )
{
real_glXGetProcAddressARB = (decltype(glXGetProcAddressARB)*)real_dlsym(RTLD_NEXT, "glXGetProcAddressARB");
}
return (void*)glXGetProcAddressARB;
}
if( strcmp(name, "XEventsQueued") == 0 )
{
return (void*)XEventsQueued;
}
//if( strcmp(name, "XNextEvent") == 0 )
//{
// return (void*)XNextEvent;
//}
//if( strcmp(name, "XPeekEvent") == 0 )
//{
// return (void*)XPeekEvent;
//}
if( strcmp(name, "XPending") == 0 )
{
return (void*)XPending;
}
return real_dlsym(handle,name);
}
#endif #endif
void Renderer_Detector::renderer_found(Base_Hook* hook) void Renderer_Detector::renderer_found(Base_Hook* hook)

20
overlay_experimental/linux/OpenGLX_Hook.cpp
View file

@ -30,12 +30,14 @@ bool OpenGLX_Hook::start_hook()
hooked = true; hooked = true;
Renderer_Detector::Inst().renderer_found(this); Renderer_Detector::Inst().renderer_found(this);
/*
UnhookAll(); UnhookAll();
BeginHook(); BeginHook();
HookFuncs( HookFuncs(
std::make_pair<void**, void*>(&(void*&)_glXSwapBuffers, (void*)&OpenGLX_Hook::MyglXSwapBuffers) std::make_pair<void**, void*>(&(void*&)_glXSwapBuffers, (void*)&OpenGLX_Hook::MyglXSwapBuffers)
); );
EndHook(); EndHook();
*/
get_steam_client()->steam_overlay->HookReady(); get_steam_client()->steam_overlay->HookReady();
} }
@ -55,7 +57,7 @@ void OpenGLX_Hook::resetRenderState()
if (initialized) if (initialized)
{ {
ImGui_ImplOpenGL3_Shutdown(); ImGui_ImplOpenGL3_Shutdown();
//X11_Hook::Inst()->resetRenderState(); X11_Hook::Inst()->resetRenderState();
ImGui::DestroyContext(); ImGui::DestroyContext();
initialized = false; initialized = false;
@ -63,10 +65,13 @@ void OpenGLX_Hook::resetRenderState()
} }
// Try to make this function and overlay's proc as short as possible or it might affect game's fps. // Try to make this function and overlay's proc as short as possible or it might affect game's fps.
void OpenGLX_Hook::prepareForOverlay(Display* display) void OpenGLX_Hook::prepareForOverlay(Display* display, GLXDrawable drawable)
{ {
PRINT_DEBUG("Called SwapBuffer hook"); PRINT_DEBUG("Called SwapBuffer hook");
if( (Window)drawable != X11_Hook::Inst()->get_game_wnd() )
resetRenderState();
if( ! initialized ) if( ! initialized )
{ {
ImGui::CreateContext(); ImGui::CreateContext();
@ -81,17 +86,12 @@ void OpenGLX_Hook::prepareForOverlay(Display* display)
{ {
ImGuiIO& io = ImGui::GetIO(); ImGuiIO& io = ImGui::GetIO();
GLint m_viewport[4];
glGetIntegerv( GL_VIEWPORT, m_viewport );
int width = m_viewport[2];
int height = m_viewport[3];
ImGui_ImplOpenGL3_NewFrame(); ImGui_ImplOpenGL3_NewFrame();
X11_Hook::Inst()->prepareForOverlay(display); X11_Hook::Inst()->prepareForOverlay(display, (Window)drawable);
ImGui::NewFrame(); ImGui::NewFrame();
get_steam_client()->steam_overlay->OverlayProc(width, height); get_steam_client()->steam_overlay->OverlayProc(io.DisplaySize.x, io.DisplaySize.y);
ImGui::EndFrame(); ImGui::EndFrame();
@ -103,7 +103,7 @@ void OpenGLX_Hook::prepareForOverlay(Display* display)
void OpenGLX_Hook::MyglXSwapBuffers(Display* display, GLXDrawable drawable) void OpenGLX_Hook::MyglXSwapBuffers(Display* display, GLXDrawable drawable)
{ {
OpenGLX_Hook::Inst()->prepareForOverlay(display); OpenGLX_Hook::Inst()->prepareForOverlay(display, drawable);
OpenGLX_Hook::Inst()->_glXSwapBuffers(display, drawable); OpenGLX_Hook::Inst()->_glXSwapBuffers(display, drawable);
} }

6
overlay_experimental/linux/OpenGLX_Hook.h
View file

@ -24,14 +24,16 @@ private:
OpenGLX_Hook(); OpenGLX_Hook();
void resetRenderState(); void resetRenderState();
void prepareForOverlay(Display* display); void prepareForOverlay(Display* display, GLXDrawable drawable);
// Hook to render functions // Hook to render functions
static void MyglXSwapBuffers(Display* display, GLXDrawable drawable);
decltype(glXSwapBuffers)* _glXSwapBuffers; decltype(glXSwapBuffers)* _glXSwapBuffers;
public: public:
static void MyglXSwapBuffers(Display* display, GLXDrawable drawable);
virtual ~OpenGLX_Hook(); virtual ~OpenGLX_Hook();
bool start_hook(); bool start_hook();

136
overlay_experimental/linux/X11_Hook.cpp
View file

@ -21,44 +21,8 @@ bool X11_Hook::start_hook()
bool res = true; bool res = true;
if (!hooked) if (!hooked)
{ {
res = false; PRINT_DEBUG("Hooked X11\n");
std::ifstream flibrary("/proc/self/maps"); hooked = true;
std::string line;
while( std::getline(flibrary, line) )
{
if( strcasestr(line.c_str(), DLL_NAME) != nullptr )
{
_library = dlopen(line.substr(line.find('/')).c_str(), RTLD_NOW);
if( _library != nullptr )
{
// Hook only this
_XEventsQueued = (decltype(_XEventsQueued))dlsym(_library, "XEventsQueued");
// Thoses are needed to ignore some events when overlay is on
_XPeekEvent = (decltype(_XPeekEvent))dlsym(_library, "XPeekEvent");
_XNextEvent = (decltype(_XNextEvent))dlsym(_library, "XNextEvent");
_XKeysymToKeycode = (decltype(_XKeysymToKeycode))dlsym(_library, "XKeysymToKeycode");
_XLookupKeysym = (decltype(_XLookupKeysym))dlsym(_library, "XLookupKeysym");
if( _XEventsQueued != nullptr && _XPeekEvent != nullptr
&& _XNextEvent != nullptr && _XKeysymToKeycode != nullptr
&& _XLookupKeysym != nullptr )
{
PRINT_DEBUG("Hooked X11\n");
hooked = true;
BeginHook();
HookFuncs(
std::make_pair<void**, void*>(&(void*&)_XEventsQueued, (void*)&X11_Hook::MyXEventsQueued)
);
EndHook();
break;
}
dlclose(_library);
}
}
}
} }
return res; return res;
} }
@ -67,44 +31,24 @@ void X11_Hook::resetRenderState()
{ {
if (initialized) if (initialized)
{ {
game_wnd = 0;
initialized = false; initialized = false;
ImGui_ImplX11_Shutdown(); ImGui_ImplX11_Shutdown();
} }
} }
void X11_Hook::prepareForOverlay(Display *display) void X11_Hook::prepareForOverlay(Display *display, Window wnd)
{ {
if (!initialized) if (!initialized)
{ {
ImGui_ImplX11_Init(display); ImGui_ImplX11_Init(display);
ImGuiIO &io = ImGui::GetIO(); game_wnd = wnd;
io.KeyMap[ImGuiKey_Tab] = _XKeysymToKeycode(display, XK_Tab);
io.KeyMap[ImGuiKey_LeftArrow] = _XKeysymToKeycode(display, XK_Left);
io.KeyMap[ImGuiKey_RightArrow] = _XKeysymToKeycode(display, XK_Right);
io.KeyMap[ImGuiKey_UpArrow] = _XKeysymToKeycode(display, XK_Up);
io.KeyMap[ImGuiKey_DownArrow] = _XKeysymToKeycode(display, XK_Down);
io.KeyMap[ImGuiKey_PageUp] = _XKeysymToKeycode(display, XK_Prior);
io.KeyMap[ImGuiKey_PageDown] = _XKeysymToKeycode(display, XK_Next);
io.KeyMap[ImGuiKey_Home] = _XKeysymToKeycode(display, XK_Home);
io.KeyMap[ImGuiKey_End] = _XKeysymToKeycode(display, XK_End);
io.KeyMap[ImGuiKey_Insert] = _XKeysymToKeycode(display, XK_Insert);
io.KeyMap[ImGuiKey_Delete] = _XKeysymToKeycode(display, XK_Delete);
io.KeyMap[ImGuiKey_Backspace] = _XKeysymToKeycode(display, XK_BackSpace);
io.KeyMap[ImGuiKey_Space] = _XKeysymToKeycode(display, XK_space);
io.KeyMap[ImGuiKey_Enter] = _XKeysymToKeycode(display, XK_Return);
io.KeyMap[ImGuiKey_Escape] = _XKeysymToKeycode(display, XK_Escape);
io.KeyMap[ImGuiKey_A] = _XKeysymToKeycode(display, XK_A);
io.KeyMap[ImGuiKey_C] = _XKeysymToKeycode(display, XK_C);
io.KeyMap[ImGuiKey_V] = _XKeysymToKeycode(display, XK_V);
io.KeyMap[ImGuiKey_X] = _XKeysymToKeycode(display, XK_X);
io.KeyMap[ImGuiKey_Y] = _XKeysymToKeycode(display, XK_Y);
io.KeyMap[ImGuiKey_Z] = _XKeysymToKeycode(display, XK_Z);
initialized = true; initialized = true;
} }
ImGui_ImplX11_NewFrame(); ImGui_ImplX11_NewFrame((void*)wnd);
} }
///////////////////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////////////////////
@ -126,28 +70,28 @@ bool IgnoreEvent(XEvent &event)
int X11_Hook::MyXEventsQueued(Display *display, int mode) int X11_Hook::MyXEventsQueued(Display *display, int mode)
{ {
static Time prev_time = {};
X11_Hook* inst = X11_Hook::Inst(); X11_Hook* inst = X11_Hook::Inst();
XEvent event = {};
int res = inst->_XEventsQueued(display, mode); int res = inst->_XEventsQueued(display, mode);
if( res > 0 ) if( res )
{ {
/// The XPeekEvent function returns the first event from the event queue, static Time prev_time = {};
/// but it does not remove the event from the queue. If the queue is
/// empty, XPeekEvent flushes the output buffer and blocks until an event XEvent event;
/// is received. //inst->_XPeekEvent(display, &event);
inst->_XPeekEvent(display, &event); XPeekEvent(display, &event);
Steam_Overlay* overlay = get_steam_client()->steam_overlay; Steam_Overlay* overlay = get_steam_client()->steam_overlay;
bool show = overlay->ShowOverlay(); bool show = overlay->ShowOverlay();
// Is the event is a key press // Is the event is a key press
if (event.type == KeyPress) if (event.type == KeyPress)
{ {
// Tab is pressed and was not pressed before // Tab is pressed and was not pressed before
if (event.xkey.keycode == inst->_XKeysymToKeycode(display, XK_Tab) && event.xkey.state & ShiftMask) //if (event.xkey.keycode == inst->_XKeysymToKeycode(display, XK_Tab) && event.xkey.state & ShiftMask)
if (event.xkey.keycode == XKeysymToKeycode(display, XK_Tab) && event.xkey.state & ShiftMask)
{ {
// if key TAB is help, don't make the overlay flicker :p // if key TAB is held, don't make the overlay flicker :p
if( event.xkey.time != prev_time) if( event.xkey.time != prev_time)
{ {
overlay->ShowOverlay(!overlay->ShowOverlay()); overlay->ShowOverlay(!overlay->ShowOverlay());
@ -157,7 +101,8 @@ int X11_Hook::MyXEventsQueued(Display *display, int mode)
} }
} }
} }
else if(event.type == KeyRelease && event.xkey.keycode == inst->_XKeysymToKeycode(display, XK_Tab)) //else if(event.type == KeyRelease && event.xkey.keycode == inst->_XKeysymToKeycode(display, XK_Tab))
else if(event.type == KeyRelease && event.xkey.keycode == XKeysymToKeycode(display, XK_Tab))
{ {
prev_time = event.xkey.time; prev_time = event.xkey.time;
} }
@ -168,22 +113,61 @@ int X11_Hook::MyXEventsQueued(Display *display, int mode)
if (IgnoreEvent(event)) if (IgnoreEvent(event))
{ {
inst->_XNextEvent(display, &event); //inst->_XNextEvent(display, &event);
res = 0; XNextEvent(display, &event);
return 0;
} }
} }
} }
// XEventsQueued returns the num of events available. // XEventsQueued returns the num of events available.
// Usually, games tend to read all events queued before calling again XEventsQueued // Usually, games tend to read all events queued before calling again XEventsQueued
// making us unavailable to intercept undesired events // making us unavailable to intercept undesired events
return res; return res;
} }
int X11_Hook::MyXNextEvent(Display* display, XEvent *event)
{
return Inst()->_XNextEvent(display, event);
}
int X11_Hook::MyXPeekEvent(Display* display, XEvent *event)
{
return Inst()->_XPeekEvent(display, event);
}
int X11_Hook::MyXPending(Display* display)
{
int res = Inst()->_XPending(display);
if( res && get_steam_client()->steam_overlay->ShowOverlay() )
{
XEvent event;
//Inst()->_XPeekEvent(display, &event);
XPeekEvent(display, &event);
if( IgnoreEvent(event) )
{
ImGui_ImplX11_EventHandler(event);
//Inst()->_XNextEvent(display, &event);
XNextEvent(display, &event);
res = 0;
}
}
return res;
}
///////////////////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////////////////////
X11_Hook::X11_Hook() : X11_Hook::X11_Hook() :
initialized(false), initialized(false),
hooked(false) hooked(false),
game_wnd(0),
_XEventsQueued(nullptr),
_XPeekEvent(nullptr),
_XNextEvent(nullptr),
_XPending(nullptr)
{ {
//_library = dlopen(DLL_NAME, RTLD_NOW); //_library = dlopen(DLL_NAME, RTLD_NOW);
} }

29
overlay_experimental/linux/X11_Hook.h
View file

@ -20,29 +20,48 @@ private:
// Variables // Variables
bool hooked; bool hooked;
bool initialized; bool initialized;
Window game_wnd;
// Functions // Functions
X11_Hook(); X11_Hook();
// Hook to X11 window messages // Hook to X11 window messages
static int MyXEventsQueued(Display * display, int mode);
decltype(XEventsQueued)* _XEventsQueued; decltype(XEventsQueued)* _XEventsQueued;
decltype(XPeekEvent)* _XPeekEvent; decltype(XPeekEvent)* _XPeekEvent;
decltype(XNextEvent)* _XNextEvent; decltype(XNextEvent)* _XNextEvent;
decltype(XKeysymToKeycode)* _XKeysymToKeycode; decltype(XPending)* _XPending;
decltype(XLookupKeysym)* _XLookupKeysym; //decltype(XKeysymToKeycode)* _XKeysymToKeycode;
//decltype(XLookupKeysym)* _XLookupKeysym;
//decltype(XGetGeometry)* _XGetGeometry;
public: public:
static int MyXEventsQueued(Display * display, int mode);
static int MyXNextEvent(Display* display, XEvent *event);
static int MyXPeekEvent(Display* display, XEvent *event);
static int MyXPending(Display* display);
virtual ~X11_Hook(); virtual ~X11_Hook();
void resetRenderState(); void resetRenderState();
void prepareForOverlay(Display *display); void prepareForOverlay(Display *display, Window wnd);
Window get_game_wnd() const{ return game_wnd; }
bool start_hook(); bool start_hook();
static X11_Hook* Inst(); static X11_Hook* Inst();
virtual const char* get_lib_name() const; virtual const char* get_lib_name() const;
inline decltype(XEventsQueued)* get_XEventsQueued() const { return _XEventsQueued; }
inline decltype(XPeekEvent)* get_XPeekEvent() const { return _XPeekEvent; }
inline decltype(XNextEvent)* get_XNextEvent() const { return _XNextEvent; }
inline decltype(XPending)* get_XPending() const { return _XPending; }
inline void loadXEventsQueued(decltype(XEventsQueued)* pfnXEventsQueued) { _XEventsQueued = pfnXEventsQueued; }
inline void loadXPeekEvent(decltype(XPeekEvent)* pfnXPeekEvent) { _XPeekEvent = pfnXPeekEvent; }
inline void loadXNextEvent(decltype(XNextEvent)* pfnXNextEvent) { _XNextEvent = pfnXNextEvent; }
inline void loadXPending(decltype(XPending)* pfnXPending) { _XPending = pfnXPending; }
}; };
#endif//NO_OVERLAY #endif//NO_OVERLAY