leocad/common/lc_glwidget.h

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#pragma once
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#include "lc_commands.h"
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enum class lcDragState
{
None,
Piece,
Color
};
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enum class lcCursor
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{
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Default,
Brick,
Light,
Spotlight,
Camera,
Select,
SelectAdd,
SelectRemove,
Move,
Rotate,
RotateX,
RotateY,
Delete,
Paint,
ColorPicker,
Zoom,
ZoomRegion,
Pan,
Roll,
RotateView,
Count
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};
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enum class lcTrackButton
{
None,
Left,
Middle,
Right
};
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enum class lcTrackTool
{
None,
Insert,
PointLight,
SpotLight,
Camera,
Select,
MoveX,
MoveY,
MoveZ,
MoveXY,
MoveXZ,
MoveYZ,
MoveXYZ,
RotateX,
RotateY,
RotateZ,
RotateXY,
RotateXYZ,
ScalePlus,
ScaleMinus,
Eraser,
Paint,
ColorPicker,
Zoom,
Pan,
OrbitX,
OrbitY,
OrbitXY,
Roll,
ZoomRegion,
Count
};
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class lcGLWidget
{
public:
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lcGLWidget();
virtual ~lcGLWidget();
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lcGLWidget(const lcGLWidget&) = delete;
lcGLWidget& operator=(const lcGLWidget&) = delete;
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lcCamera* GetCamera() const
{
return mCamera;
}
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bool IsTracking() const
{
return mTrackButton != lcTrackButton::None;
}
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int GetMouseX() const
{
return mMouseX;
}
int GetMouseY() const
{
return mMouseY;
}
void SetMousePosition(int MouseX, int MouseY);
void SetMouseModifiers(Qt::KeyboardModifiers MouseModifiers);
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void SetContext(lcContext* Context);
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void MakeCurrent();
void Redraw();
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void UpdateCursor();
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lcVector3 ProjectPoint(const lcVector3& Point) const;
lcVector3 UnprojectPoint(const lcVector3& Point) const;
void UnprojectPoints(lcVector3* Points, int NumPoints) const;
lcMatrix44 GetProjectionMatrix() const;
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void DrawBackground() const;
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void DrawAxes() const;
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virtual void OnDraw() { }
virtual void OnInitialUpdate() { }
virtual void OnLeftButtonDown() { }
virtual void OnLeftButtonUp() { }
virtual void OnLeftButtonDoubleClick() { }
virtual void OnMiddleButtonDown() { }
virtual void OnMiddleButtonUp() { }
virtual void OnRightButtonDown() { }
virtual void OnRightButtonUp() { }
virtual void OnBackButtonDown() { }
virtual void OnBackButtonUp() { }
virtual void OnForwardButtonDown() { }
virtual void OnForwardButtonUp() { }
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virtual void OnMouseMove() { }
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virtual void OnMouseWheel(float Direction) { Q_UNUSED(Direction); }
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virtual void BeginDrag(lcDragState DragState) { Q_UNUSED(DragState); }
virtual void EndDrag(bool Accept) { Q_UNUSED(Accept); }
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int mWidth = 1;
int mHeight = 1;
QGLWidget* mWidget = nullptr;
lcContext* mContext = nullptr;
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protected:
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lcCursor GetCursor() const;
void SetCursor(lcCursor Cursor);
lcTool GetCurrentTool() const;
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int mMouseX = 0;
int mMouseY = 0;
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int mMouseDownX = 0;
int mMouseDownY = 0;
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Qt::KeyboardModifiers mMouseModifiers = Qt::NoModifier;
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lcTrackTool mTrackTool = lcTrackTool::None;
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lcTrackButton mTrackButton = lcTrackButton::None;
lcCursor mCursor = lcCursor::Default;
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std::unique_ptr<lcScene> mScene;
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lcCamera* mCamera = nullptr;
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bool mDeleteContext = true;
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};