ButtonEx.h
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/*
* Copyright 2002-2014 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* CC/LICENSE
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include "stdafx.h"
typedef unsigned int UNIT;
class CButtonEx : public CButton
{
private:
CBrush m_BrushBk;
// 按钮的状态
BOOL m_bOver; // 鼠标位于按钮之上时该值为true，反之为flase
BOOL m_bTracking; // 在鼠标按下没有释放时该值为true
BOOL m_bSelected; // 按钮被按下是该值为true
BOOL m_bIsDefault;
BOOL m_nTypeStyle;
int m_btPX; // 按钮的横坐标
int m_btPY; // 按钮的纵坐标
int m_nIDBmpDefault;
int m_nIDBmpHover;
public:
CButtonEx();
virtual ~CButtonEx();
private:
void TransparentBlt(HDC hdcDest, // 目标DC
int nXOriginDest, // 目标X偏移
int nYOriginDest, // 目标Y偏移
int nWidthDest, // 目标宽度
int nHeightDest, // 目标高度
HDC hdcSrc, // 源DC
int nXOriginSrc, // 源X起点
int nYOriginSrc, // 源Y起点
int nWidthSrc, // 源宽度
int nHeightSrc, // 源高度
UINT crTransparent );
protected:
virtual void PreSubclassWindow();
virtual void DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct);
virtual void DrawButton(CDC *pDC, CBitmap &bitmap, CRect *rect);
DECLARE_MESSAGE_MAP()
afx_msg void OnMouseMove(UINT nFlags, CPoint point);
afx_msg LRESULT OnMouseLeave(WPARAM wParam, LPARAM lParam);
afx_msg BOOL OnEraseBkgnd(CDC* pDC);
afx_msg BOOL OnClicked();
afx_msg UINT OnGetDlgCode();
LRESULT OnSetStyle(WPARAM wParam, LPARAM lParam);
public:
void SetBitMap(int nIDBmpDefault, int nIDBmpHover);
void SetButtonPos(int bx, int by);
};