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e8c7e30030
- Painting the canvas is done by overlaying the multiple layers. - Drawing each overlay is implemented as polymorphism of OOP. - Refine the Undo/Redo mechanism. - Some adjustments. CORE-17969
51 lines
2 KiB
C++
51 lines
2 KiB
C++
/*
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* PROJECT: PAINT for ReactOS
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* LICENSE: LGPL
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* FILE: base/applications/mspaint/palette.h
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* PURPOSE: Window procedure of the palette window
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* PROGRAMMERS: Benedikt Freisen
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*/
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#pragma once
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#define CXY_COLORBOX 16 /* width / height of a normal color box */
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#define CXY_BIGBOX (CXY_COLORBOX * 2) /* width / height of the big box */
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#define CY_PALETTE (8 + CXY_BIGBOX + 8)
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class CPaletteWindow : public CWindowImpl<CPaletteWindow>
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{
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public:
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DECLARE_WND_CLASS_EX(_T("Palette"), CS_DBLCLKS, COLOR_BTNFACE)
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BEGIN_MSG_MAP(CPaletteWindow)
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MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBkgnd)
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MESSAGE_HANDLER(WM_PAINT, OnPaint)
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MESSAGE_HANDLER(WM_LBUTTONDOWN, OnLButtonDown)
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MESSAGE_HANDLER(WM_RBUTTONDOWN, OnRButtonDown)
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MESSAGE_HANDLER(WM_LBUTTONDBLCLK, OnLButtonDblClk)
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MESSAGE_HANDLER(WM_RBUTTONDBLCLK, OnRButtonDblClk)
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MESSAGE_HANDLER(WM_MOUSEMOVE, OnMouseMove)
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MESSAGE_HANDLER(WM_LBUTTONUP, OnLButtonUp)
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MESSAGE_HANDLER(WM_PALETTEMODELCOLORCHANGED, OnPaletteModelColorChanged)
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END_MSG_MAP()
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CPaletteWindow();
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virtual ~CPaletteWindow();
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protected:
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HBITMAP m_hbmCached; // Cached buffer bitmap
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LRESULT OnEraseBkgnd(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnPaint(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnLButtonDown(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnRButtonDown(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnLButtonDblClk(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnRButtonDblClk(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnMouseMove(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnLButtonUp(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnPaletteModelColorChanged(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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protected:
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INT DoHitTest(INT xPos, INT yPos) const;
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};
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