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#pragma once
#include "tstwidgets.hpp"
#include "../../testing/testing.hpp"
#include "../../map/qgl_render_context.hpp"
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
#include <QtGui/QApplication>
#else
#include <QtWidgets/QApplication>
#endif
template<class T, bool (T::*)(QKeyEvent *)>
struct key_event_fn_bind
{
typedef T type;
};
template <class T, bool (T::*)(QMouseEvent*)>
struct mouse_event_fn_bind
{
typedef T type;
};
template <class T, void (T::*)()>
struct void_fn_bind
{
typedef T type;
};
template <class T, class RC, void (T::*)(shared_ptr<RC>)>
struct init_with_context_fn_bind
{
typedef T type;
};
template<class T, class U>
struct has_on_keypress
{
static const bool value = false;
};
template<class T>
struct has_on_keypress<T, typename key_event_fn_bind<T, &T::OnKeyPress>::type>
{
static const bool value = true;
};
template <class T, class U>
struct has_on_mousemove
{
static const bool value = false;
};
template <class T>
struct has_on_mousemove<T, typename mouse_event_fn_bind<T, &T::OnMouseMove>::type >
{
static const bool value = true;
};
template <class T, class U>
struct has_on_mousepress
{
static bool const value = false;
};
template <class T>
struct has_on_mousepress<T, typename mouse_event_fn_bind<T, &T::OnMousePress>::type >
{
static const bool value = true;
};
template <class T, class U>
struct has_init
{
static bool const value = false;
};
template <class T>
struct has_init<T, typename void_fn_bind<T, &T::Init>::type >
{
static const bool value = true;
};
template <class T, class U, class RC>
struct has_init_with_context
{
static bool const value = false;
};
template <class T, class RC>
struct has_init_with_context<T, typename init_with_context_fn_bind<T, RC, &T::Init>::type, RC >
{
static const bool value = true;
};
template <bool T>
struct bool_tag{};
template <typename TTest>
class GLTestWidget : public tst::GLDrawWidget
{
public:
TTest test;
typedef tst::GLDrawWidget base_type;
virtual void DoDraw(shared_ptr<graphics::Screen> const & p)
{
p->beginFrame();
p->clear(graphics::Color(182, 182, 182, 255));
test.DoDraw(p);
p->endFrame();
}
virtual void DoResize(int, int)
{
}
bool keyPressEventImpl(QKeyEvent * ev, bool_tag<true> const &)
{
return test.OnKeyPress(ev);
}
bool keyPressEventImpl(QKeyEvent *, bool_tag<false> const & )
{
return false;
}
virtual void keyPressEvent(QKeyEvent * ev)
{
if (keyPressEventImpl(ev, bool_tag<has_on_keypress<TTest, TTest>::value >()))
repaint();
}
bool mousePressEventImpl(QMouseEvent * ev, bool_tag<true> const &)
{
return test.OnMousePress(ev);
}
bool mousePressEventImpl(QMouseEvent *, bool_tag<false> const &)
{
return false;
}
virtual void mousePressEvent(QMouseEvent * ev)
{
if (mousePressEventImpl(ev, bool_tag<has_on_mousepress<TTest, TTest>::value >()))
repaint();
}
bool mouseMoveEventImpl(QMouseEvent * ev, bool_tag<true> const &)
{
return test.OnMouseMove(ev);
}
bool mouseMoveEventImpl(QMouseEvent *, bool_tag<false> const &)
{
return false;
}
void mouseMoveEvent(QMouseEvent * ev)
{
if (mouseMoveEventImpl(ev, bool_tag<has_on_mousemove<TTest, TTest>::value >()))
repaint();
}
void InitImpl(bool_tag<true> const & )
{
test.Init();
}
void InitImpl(bool_tag<false> const & )
{}
void Init()
{
InitImpl(bool_tag<has_init<TTest, TTest>::value >());
}
void InitWithContextImpl(bool_tag<true> const &)
{
test.Init(shared_ptr<qt::gl::RenderContext>(new qt::gl::RenderContext(this)));
}
void InitWithContextImpl(bool_tag<false> const &)
{}
void initializeGL()
{
tst::GLDrawWidget::initializeGL();
InitWithContextImpl(bool_tag<has_init_with_context<TTest, TTest, qt::gl::RenderContext>::value>());
}
};
template <class Test> QWidget * create_widget()
{
GLTestWidget<Test> * w = new GLTestWidget<Test>();
w->Init();
return w;
}
#define UNIT_TEST_GL(name)\
void UnitTestGL_##name();\
TestRegister g_TestRegister_##name("Test::"#name, __FILE__, &UnitTestGL_##name);\
void UnitTestGL_##name()\
{\
char * argv[] = { const_cast<char *>(#name) };\
int argc = 1;\
QApplication app(argc, argv);\
QWidget * w = create_widget<name>();\
w->show();\
app.exec();\
}
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