174 lines
4.7 KiB
C++
174 lines
4.7 KiB
C++
// ==========================================================================
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// Class Specification : COXScrollTip
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// ==========================================================================
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// Header file : OXScrollTip.h
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// Version: 9.3
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// //////////////////////////////////////////////////////////////////////////
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// Properties:
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// NO Abstract class (does not have any objects)
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// YES Derived from CWnd
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// NO Is a Cwnd.
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// NO Two stage creation (constructor & Create())
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// NO Has a message map
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// NO Needs a resource (template)
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// NO Persistent objects (saveable on disk)
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// NO Uses exceptions
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// //////////////////////////////////////////////////////////////////////////
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// Desciption :
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// This class is used by the COXScrollTipOwner class.
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// It encapsulates the scroll tip window itself
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// Remark:
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// Prerequisites (necessary conditions):
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/////////////////////////////////////////////////////////////////////////////
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#ifndef __OXSCROLLTIP_H__
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#define __OXSCROLLTIP_H__
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#if _MSC_VER >= 1000
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#pragma once
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#endif // _MSC_VER >= 1000
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#include "OXDllExt.h"
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class OX_CLASS_DECL COXScrollTip : public CWnd
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{
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DECLARE_DYNAMIC(COXScrollTip);
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// Data members -------------------------------------------------------------
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public:
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protected:
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CPen m_framePen;
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CBrush m_backgroundBrush;
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COLORREF m_textColor;
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CFont m_font;
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int m_cxHScroll;
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int m_cyVScroll;
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BOOL m_bVisible;
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CString m_sText;
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BOOL m_bTextChanged;
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CRect m_rect;
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BOOL m_bRectChanged;
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BOOL m_bFastBackgroundRepaint;
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static BOOL m_bWindowClassCreated;
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static CString m_sWindowClass;
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private:
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// Member functions ---------------------------------------------------------
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public:
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COXScrollTip();
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// --- In :
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// --- Out :
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// --- Returns :
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// --- Effect : Constructs the object
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int GetHorizontalArrowWidth() const;
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// --- In :
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// --- Out :
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// --- Returns : The width of the arrow (in pixels) in an horizontal scroll bar
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// --- Effect :
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int GetVerticalArrowHeight() const;
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// --- In :
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// --- Out :
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// --- Returns : The height of the arrow (in pixels) in a vertical scroll bar
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// --- Effect :
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BOOL Create(CWnd* pParentWnd);
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// --- In : pParentWnd : The owner window
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// --- Out :
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// --- Returns : Whether it succeeded or not
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// --- Effect : The window is created invisible and at position (0,0) with size (0,0)
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void Show(BOOL bShow);
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// --- In : bShow : TRUE to show, FALSE to hide
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// --- Out :
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// --- Returns : Shows or hides the scroll tip window
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// --- Effect : Do not used another function to show or hide the window
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CSize ComputeSize(LPCTSTR pszText);
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// --- In : pszText : The text
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// --- Out :
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// --- Returns : The size of the scroll tip window so that the text
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// can be shown nicely by the window
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// --- Effect :
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void Adjust(CRect rect, LPCTSTR pszText);
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// --- In : rect : New position (in screen coordinates)
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// pszText : New text
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// --- Out :
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// --- Returns :
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// --- Effect : Sets the new text and changes the position and size
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void EnableFastBackgroundRepaint(BOOL bEnable = TRUE);
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// --- In : bEnable : Whether to enable or disable
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// --- Out :
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// --- Returns :
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// --- Effect : The scroll tip can request the background to be repainted
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// when it is moved (during scrolling)
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// When it is enabled WM_PAINTs will be send, otherwise they will be
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// posted (will introduces some delay)
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// This feature is enabled by default
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#ifdef _DEBUG
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virtual void AssertValid() const;
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// --- In :
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// --- Out :
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// --- Returns :
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// --- Effect : AssertValid performs a validity check on this object
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// by checking its internal state.
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// In the Debug version of the library, AssertValid may assert and
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// thus terminate the program.
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virtual void Dump(CDumpContext& dc) const;
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// --- In : dc : The diagnostic dump context for dumping, usually afxDump.
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// --- Out :
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// --- Returns :
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// --- Effect : Dumps the contents of the object to a CDumpContext object.
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// It provides diagnostic services for yourself and
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// other users of your class.
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// Note The Dump function does not print a newline character
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// at the end of its output.
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#endif
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virtual ~COXScrollTip();
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// --- In :
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// --- Out :
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// --- Returns :
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// --- Effect : Destructor of the object
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//{{AFX_VIRTUAL(COXScrollTip)
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//}}AFX_VIRTUAL
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protected:
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void AdjustColorsFontsMetrics();
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void Redraw();
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void RedrawBackground(CRect rect);
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//{{AFX_MSG(COXScrollTip)
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afx_msg void OnWinIniChange(LPCTSTR lpszSection);
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afx_msg void OnPaint();
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//}}AFX_MSG
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DECLARE_MESSAGE_MAP()
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private:
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};
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#endif // __OXSCROLLTIP_H__
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// ==========================================================================
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