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b8598e095d
Consistent behavior of the application. - Add ShiftPtStack and BuildMaskFromPtStack helper functions. - Move some codes of selectionModel to mouse.cpp. CORE-19226
86 lines
3.7 KiB
C++
86 lines
3.7 KiB
C++
/*
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* PROJECT: PAINT for ReactOS
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* LICENSE: LGPL-2.0-or-later (https://spdx.org/licenses/LGPL-2.0-or-later)
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* PURPOSE: Providing the canvas window class
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* COPYRIGHT: Copyright 2015 Benedikt Freisen <b.freisen@gmx.net>
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*/
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#pragma once
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class CCanvasWindow : public CWindowImpl<CCanvasWindow>
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{
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public:
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DECLARE_WND_CLASS_EX(L"ReactOSPaintCanvas", CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW,
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COLOR_APPWORKSPACE)
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BEGIN_MSG_MAP(CCanvasWindow)
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MESSAGE_HANDLER(WM_SIZE, OnSize)
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MESSAGE_HANDLER(WM_PAINT, OnPaint)
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MESSAGE_HANDLER(WM_MOUSEMOVE, OnMouseMove)
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MESSAGE_HANDLER(WM_HSCROLL, OnHScroll)
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MESSAGE_HANDLER(WM_VSCROLL, OnVScroll)
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MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBkgnd)
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MESSAGE_HANDLER(WM_LBUTTONDOWN, OnButtonDown)
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MESSAGE_HANDLER(WM_RBUTTONDOWN, OnButtonDown)
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MESSAGE_HANDLER(WM_MBUTTONDOWN, OnButtonDown)
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MESSAGE_HANDLER(WM_LBUTTONDBLCLK, OnButtonDblClk)
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MESSAGE_HANDLER(WM_RBUTTONDBLCLK, OnButtonDblClk)
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MESSAGE_HANDLER(WM_KEYDOWN, OnKeyDown)
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MESSAGE_HANDLER(WM_LBUTTONUP, OnButtonUp)
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MESSAGE_HANDLER(WM_RBUTTONUP, OnButtonUp)
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MESSAGE_HANDLER(WM_MBUTTONUP, OnButtonUp)
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MESSAGE_HANDLER(WM_SETCURSOR, OnSetCursor)
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MESSAGE_HANDLER(WM_MOUSEWHEEL, OnMouseWheel)
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MESSAGE_HANDLER(WM_CANCELMODE, OnCancelMode)
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MESSAGE_HANDLER(WM_CAPTURECHANGED, OnCaptureChanged)
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MESSAGE_HANDLER(WM_CTLCOLOREDIT, OnCtlColorEdit)
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MESSAGE_HANDLER(WM_PALETTEMODELCOLORCHANGED, OnPaletteModelColorChanged)
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END_MSG_MAP()
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CCanvasWindow();
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virtual ~CCanvasWindow();
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BOOL m_drawing;
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VOID OnEndDraw(BOOL bCancel);
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VOID updateScrollRange();
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VOID updateScrollPos(INT x = 0, INT y = 0);
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VOID ImageToCanvas(POINT& pt);
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VOID ImageToCanvas(RECT& rc);
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VOID CanvasToImage(POINT& pt);
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VOID CanvasToImage(RECT& rc);
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VOID GetImageRect(RECT& rc);
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VOID getNewZoomRect(CRect& rcView, INT newZoom, CPoint ptTarget);
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VOID zoomTo(INT newZoom, LONG left = 0, LONG top = 0);
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protected:
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HITTEST m_hitCanvasSizeBox;
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POINT m_ptOrig; // The origin of drag start
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HBITMAP m_ahbmCached[2]; // The cached buffer bitmaps
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CRect m_rcResizing; // Resizing rectagle
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HITTEST CanvasHitTest(POINT pt);
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RECT GetBaseRect();
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VOID DoDraw(HDC hDC, RECT& rcClient, RECT& rcPaint);
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VOID OnHVScroll(WPARAM wParam, INT fnBar);
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LRESULT OnSize(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnHScroll(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnVScroll(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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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 OnMouseMove(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnKeyDown(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnSetCursor(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnMouseWheel(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnCancelMode(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnCaptureChanged(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnCtlColorEdit(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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UINT m_nMouseDownMsg = 0;
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LRESULT OnButtonDown(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnButtonDblClk(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnButtonUp(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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};
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