106 lines
2.6 KiB
C++
106 lines
2.6 KiB
C++
//-----------------------------------------------------------------------------
|
|
// File: flexscrollbar.h
|
|
//
|
|
// Desc: Implements CFlexScrollBar (derived from CFlexWnd), a scroll bar
|
|
// control similar to a Windows scroll bar.
|
|
//
|
|
// Copyright (C) 1999-2000 Microsoft Corporation. All Rights Reserved.
|
|
//-----------------------------------------------------------------------------
|
|
|
|
#ifndef __FLEXSCROLLBAR_H__
|
|
#define __FLEXSCROLLBAR_H__
|
|
|
|
|
|
#include "flexwnd.h"
|
|
|
|
|
|
#define FSBF_HORZ 0
|
|
#define FSBF_VERT 1
|
|
|
|
struct FLEXSCROLLBARCREATESTRUCT {
|
|
DWORD dwSize;
|
|
DWORD dwFlags;
|
|
int min, max, page, pos;
|
|
HWND hWndParent;
|
|
HWND hWndNotify;
|
|
RECT rect;
|
|
BOOL bVisible;
|
|
};
|
|
|
|
class CFlexScrollBar : public CFlexWnd
|
|
{
|
|
public:
|
|
CFlexScrollBar();
|
|
~CFlexScrollBar();
|
|
|
|
BOOL Create(FLEXSCROLLBARCREATESTRUCT *);
|
|
|
|
void SetColors(COLORREF bk, COLORREF fill, COLORREF line);
|
|
|
|
void SetValues(int, int, int, int);
|
|
void SetValues(int min, int max, int page) {SetRange(min, max, page);}
|
|
void SetValues(int min, int max) {SetRange(min, max);}
|
|
|
|
void SetRange(int min, int max, int page) {SetValues(min, max, page, GetPos());}
|
|
void SetRange(int min, int max) {SetRange(min, max, GetPage());}
|
|
|
|
void SetMin(int v) {SetValues(v, GetMax(), GetPage(), GetPos());}
|
|
void SetMax(int v) {SetValues(GetMin(), v, GetPage(), GetPos());}
|
|
void SetPage(int v) {SetValues(GetMin(), GetMax(), v, GetPos());}
|
|
void SetPos(int v) {SetValues(GetMin(), GetMax(), GetPage(), v);}
|
|
|
|
int GetMin() {return m_nMin;}
|
|
int GetMax() {return m_nMax;}
|
|
int GetPage() {return m_nPage;}
|
|
int GetPos() {return m_nPos;}
|
|
|
|
int GetThumbPos() {return m_bDragging ? m_nThumbPos : -1;}
|
|
|
|
void AdjustPos(int adj, BOOL bForceCalc = FALSE);
|
|
|
|
protected:
|
|
virtual void OnPaint(HDC hDC);
|
|
virtual LRESULT WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
|
|
|
|
private:
|
|
int m_nMin, m_nMax, m_nPage, m_nPos;
|
|
BOOL m_bVert;
|
|
HWND m_hWndNotify;
|
|
|
|
COLORREF m_rgbBk, m_rgbFill, m_rgbLine;
|
|
|
|
// ui rects... calced by Calc
|
|
RECT m_rectLineUp;
|
|
RECT m_rectPageUp;
|
|
RECT m_rectTrack;
|
|
RECT m_rectThumb;
|
|
RECT m_rectPageDown;
|
|
RECT m_rectLineDown;
|
|
|
|
BOOL Calc();
|
|
BOOL FailCalc(BOOL);
|
|
BOOL m_bValid; // true only when we have been created and hav valid values
|
|
// and calc has been called and returned successfully.
|
|
|
|
void InternalPaint(HDC hDC);
|
|
|
|
POINT m_point, m_startpoint;
|
|
int m_nThumbPos, m_nPreDragPos;
|
|
int m_code;
|
|
int m_startcode;
|
|
BOOL m_bCapture;
|
|
BOOL m_bDragging;
|
|
|
|
int HitTest(POINT point);
|
|
void Notify(int code);
|
|
|
|
int GetLineAdjust();
|
|
int GetPageAdjust();
|
|
};
|
|
|
|
|
|
CFlexScrollBar *CreateFlexScrollBar(FLEXSCROLLBARCREATESTRUCT *pcs);
|
|
|
|
|
|
#endif //__FLEXSCROLLBAR_H__
|