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https://github.com/ultimatepp/ultimatepp.git
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162 lines
3 KiB
C++
162 lines
3 KiB
C++
#include <CtrlLib/CtrlLib.h>
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#include <GLCtrl/GLCtrl.h>
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using namespace Upp;
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class MyGlCtrl : public GLCtrl
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{
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typedef MyGlCtrl CLASSNAME;
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private:
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LineEdit *_log;
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ToolBar _sliderBar;
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SliderCtrl _slider;
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public:
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MyGlCtrl()
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: _log(NULL)
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{
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_slider.Range(9);
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_slider.SetData(5);
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_slider <<= THISBACK(SliderCtrlAction);
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_sliderBar.Set(THISBACK(InitSliderBar));
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_sliderBar.Bottom();
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AddFrame(_sliderBar);
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}
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void SetLog(LineEdit &log)
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{
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_log = &log;
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}
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void Log(String const &s) { if(_log == NULL) return; _log->Insert(_log->GetLength(), String().Cat() << "\n" << s); _log->ScrollDown(); }
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protected:
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virtual void GLInit()
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{
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ASSERT(HasRenderingContext());
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Log("-> GLInit()");
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glClearColor(0.0, 0.0, 0.0, 0.0);
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glColor3f(0.0, 0.0, 1.0);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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glOrtho(-10.0, 10.0, -10.0, 10.0, -10.0, 10.0);
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}
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virtual void GLDone()
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{
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ASSERT(HasRenderingContext());
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Log("-> GLDone()");
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}
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virtual void GLResize(int w, int h)
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{
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ASSERT(HasRenderingContext());
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Log(String().Cat() << "-> GLResize(" << w << ", " << h << ")");
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}
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virtual void GLPaint()
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{
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ASSERT(HasRenderingContext());
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Log("-> GLPaint()");
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glClear(GL_COLOR_BUFFER_BIT);
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for (int i = 0; i < (int)_slider.GetData(); i++)
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{
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glRectf(-9.0 + i * 2, 5.0, -8.0 + i * 2, -5.0);
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}
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}
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private:
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void InitSliderBar(Bar &bar)
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{
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bar.Add(_slider, INT_MAX);
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}
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void SliderCtrlAction()
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{
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Log(String().Cat() << "-> SliderCtrlAction(" << _slider.GetData() << ")");
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Refresh();
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}
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bool HasRenderingContext()
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{
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#ifdef PLATFORM_WIN32
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return wglGetCurrentContext() != NULL;
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#else
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return glXGetCurrentContext() != NULL;
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#endif
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}
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};
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#define LAYOUTFILE <OpenGlTest/OpenGlTest.lay>
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#include <CtrlCore/lay.h>
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class OpenGlTest : public WithOpenGlTestLayout<TopWindow>
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{
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typedef OpenGlTest CLASSNAME;
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public:
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OpenGlTest()
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{
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_log.Insert(_log.GetLength(), "\nStart of OpenGlTest constructor");
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_hideButton <<= THISBACK(Hide);
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_showButton <<= THISBACK(Show);
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_addButton <<= THISBACK(Add);
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_removeButton <<= THISBACK(Remove);
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_showButton.Enable(false);
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_addButton.Enable(false);
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_glCtrl.SetLog(_log);
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CtrlLayout(*this, "OpenGL test");
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_log.Insert(_log.GetLength(), "\nEnd of OpenGlTest constructor");
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}
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private:
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void Hide()
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{
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_glCtrl.Hide();
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_glCtrl.Log("-> Hide()");
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_hideButton.Enable(false);
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_showButton.Enable(true);
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}
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void Show()
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{
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_glCtrl.Show();
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_glCtrl.Log("-> Show()");
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_hideButton.Enable(true);
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_showButton.Enable(false);
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}
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void Remove()
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{
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RemoveChild(&_glCtrl);
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_glCtrl.Log("-> Remove()");
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_removeButton.Enable(false);
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_addButton.Enable(true);
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}
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void Add()
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{
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AddChild(&_glCtrl);
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_glCtrl.Log("-> Add()");
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_removeButton.Enable(true);
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_addButton.Enable(false);
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}
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};
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GUI_APP_MAIN
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{
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OpenGlTest().Sizeable().Run();
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}
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