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188 lines
4.8 KiB
188 lines
4.8 KiB
//
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// TXTED.HPP
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// Text Object Editor
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//
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// Copyright Microsoft 1998-
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//
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#ifndef __TXTED_HPP_
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#define __TXTED_HPP_
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#define MIN_IME_WINDOW 30
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#define MIN_FITBOX_CHARS 6
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class WbTextEditor;
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/////////////////////////////////////////////////////////////////////////////
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// WbTextBox window
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class WbTextBox
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{
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public:
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WbTextBox(WbTextEditor * pEditor);
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~WbTextBox();
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BOOL Create(HWND hwndParent);
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BOOL FitBox( void );
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void AutoCaretScroll( void );
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int GetMaxCharHeight( void );
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int GetMaxCharWidth( void );
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void AbortEditGently( void );
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HWND m_hwnd;
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POINT m_ptNTBooger;
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friend LRESULT CALLBACK TextWndProc(HWND, UINT, WPARAM, LPARAM);
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WNDPROC m_pfnEditPrev;
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protected:
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RECT m_MaxRect;
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WbTextEditor *m_pEditor;
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RECT m_rectErase;
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BOOL m_bInIME;
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BOOL m_bDontEscapeThisTime;
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void SetupBackgroundRepaint( POINT ptTopPaint, BOOL bNumLinesChanged=TRUE );
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void SelectAtLeastOne( void );
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void OnClearCut(void);
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void OnUndoPaste(void);
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void OnChar(UINT nChar, UINT nRepCnt, UINT nFlags);
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void OnKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags);
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void OnTimer(UINT_PTR nIDEvent);
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void OnLButtonUp(UINT nFlags, int x, int y);
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void OnMouseMove(UINT nFlags, int x, int y);
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void OnMove(int x, int y);
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void OnSysKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags);
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};
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/////////////////////////////////////////////////////////////////////////////
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//
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//
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// Class: WbTextEditor
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//
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// Purpose: Allow editing of the text in a DCWbGraphicText object
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//
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//
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class WbTextEditor : public DCWbGraphicText
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{
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friend class WbTextBox;
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friend class WbDrawingArea;
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public:
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//
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// Constructor
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//
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WbTextEditor(void);
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~WbTextEditor(void);
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// writes text to underlying text object before relaying to text object
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DWORD CalculateExternalLength(void);
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// calcs bounds rect and sets editbox to new size
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void CalculateBoundsRect(void);
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void WriteExtra( PWB_GRAPHIC pHeader );
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void SetTimer( UINT nElapse );
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void KillTimer( void );
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// set editbox visibility
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void ShowBox( int nShow );
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BOOL Create( void );
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// Moves underlying text object and then moves editbox rect
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void MoveBy(int cx, int cy);
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void RedrawEditbox(void);
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// resets editbox for parent resizing
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void ParentResize( void );
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// clipboard
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void Copy( void )
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{ ::SendMessage(m_pEditBox->m_hwnd, WM_COPY, 0, 0); }
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void Cut( void )
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{ ::SendMessage(m_pEditBox->m_hwnd, WM_CUT, 0, 0); }
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void Paste( void )
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{ ::SendMessage(m_pEditBox->m_hwnd, WM_PASTE, 0, 0); }
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virtual void SetFont( LOGFONT *pLogFont, BOOL bDummy=TRUE );
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virtual void SetFont(HFONT hFont) { DCWbGraphicText::SetFont(hFont); }
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//
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// Attach a text object to the editor. This function copies the
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// contents of the specified text object into the text editor. The
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// editor will not alter the contents of the object passed and does not
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// keep a copy of the pointer parameter.
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//
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BOOL SetTextObject(DCWbGraphicText * ptext);
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//
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// Return the width and height for the cursor in pixels as a size
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//
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void GetCursorSize(LPSIZE lpsize);
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//
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// Set the current edit cursor position from a point specified in
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// logical co-ordinates. This function does nothing if the point
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// specified is outside the bounding rectangle of the object being
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// edited. If the point specified is within the bounding rectangle the
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// current edit cursor position is updated to a point as close as
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// possible to that passed as parameter.
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//
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void SetCursorPosFromPoint(POINT pointXY);
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void Clear(void); // Delete all text
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BOOL New(void); // Delete text and reset handles
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//
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// Return TRUE if there is not text in the object
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//
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BOOL IsEmpty(void);
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void AbortEditGently( void )
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{m_pEditBox->AbortEditGently();}
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protected:
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//
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// Pixel position from a character position
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//
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void GetXYPosition(POINT pointChar, LPPOINT lpptGet);
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//
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// Current cursor position. Note that cursorCharPos.x gives the BYTE
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// position of the cursor rather than the character position. On SBCS
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// systems the character and byte positions will always be the same,
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// but on DBCS systems the number of bytes in a string can be greater
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// than the number of characters.
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//
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// cursorCharPos.x should NEVER be set to a byte count which is in the
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// middle of a double byte character.
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//
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POINT m_cursorCharPos;
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POINT m_cursorXYPos;
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WbTextBox *m_pEditBox;
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int m_nLastShow;
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void PutText(void);
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void GetText(void);
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};
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#endif // __TXTED_HPP_
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