93 lines
1.9 KiB
C++
93 lines
1.9 KiB
C++
#ifndef __SIZEBAR_H__
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#define __SIZEBAR_H__
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///////////////////////////////////////////////////////////
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//
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//
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// SIZEBAR.h - CSizeBar control encapsulates the sizebar
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//
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//
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//
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// Copyright (C) 1996-1997 Microsoft Corporation. All rights reserved.
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///////////////////////////////////////////////////////////
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//
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// Forword references.
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//
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class CHHWinType ;
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///////////////////////////////////////////////////////////
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//
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// CSizeBar
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//
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class CSizeBar
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{
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public:
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// Constructor
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CSizeBar();
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// Destructor
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~CSizeBar();
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// Access
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public:
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HWND hWnd() const
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{ return m_hWnd; }
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// Gets the width of the bar.
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static int Width();
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// The smallest width a pane can be sized.
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static int MinimumPaneWidth() {return Width()*5;}
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// The smallest width the topic can be sized.
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static int MinimumTopicWidth() {return Width()*15;}
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// Operations
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public:
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// Create
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bool Create(CHHWinType* pWinType) ;
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// Resize
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void ResizeWindow() ;
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// Register the window class
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static void RegisterWindowClass() ;
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// Internal Helper Functions
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protected:
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void CalcSize(RECT* prect) ;
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// Window Proc
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LRESULT SizeBarProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
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// Draw
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void Draw() ;
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// Callbacks
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private:
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// Window Proc
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static LRESULT WINAPI s_SizeBarProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
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// Member variables.
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protected:
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// Window handle to the sizebar
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HWND m_hWnd;
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// Window handle to our parent window.
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HWND m_hWndParent;
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// CHHWinType pointer so that we can get the handle to the HTMLHelp Window.
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CHHWinType*m_pWinType;
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// how far is the mouse away from the left edge of the sizebar.
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int m_offset ;
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// True if dragging.
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bool m_bDragging ;
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};
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#endif //__CSizeBar_H__
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