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// ImageButton.cpp : implementation file
//
#include "stdafx.h"
#include "ImageText.h"
#include "ImageButton.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// ImageButton
ImageButton::ImageButton()
{
IsPressed = FALSE;
}
ImageButton::~ImageButton()
{
}
BEGIN_MESSAGE_MAP(ImageButton, CButton)
//{{AFX_MSG_MAP(ImageButton)
ON_WM_MOUSEMOVE()
ON_WM_LBUTTONDOWN()
ON_WM_LBUTTONUP()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// ImageButton message handlers
void ImageButton::SetImageIndex(UINT index)
{
m_ImageIndex = index;
}
void ImageButton::SetImageList(CImageList *pImage)
{
m_pImagelist = pImage;
}
void ImageButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
{
CDC dc ;
dc.Attach(lpDrawItemStruct->hDC);
if (m_pImagelist)
{
UINT state = lpDrawItemStruct->itemState; //获取状态
UINT action = lpDrawItemStruct->itemAction;
//获取图像列中图像大小
IMAGEINFO imageinfo;
m_pImagelist->GetImageInfo(m_ImageIndex,&imageinfo);
CSize imagesize;
imagesize.cx = imageinfo.rcImage.right-imageinfo.rcImage.left;
imagesize.cy = imageinfo.rcImage.bottom - imageinfo.rcImage.top;
//在按钮垂直方向居中显示位图
CRect rect;
GetClientRect(rect);
CPoint point;
point.x = 5;
point.y = (rect.Height() - imagesize.cy)/2;
m_pImagelist->Draw(&dc,m_ImageIndex,point,ILD_NORMAL|ILD_TRANSPARENT);
//按钮被选中或者获得焦点时
if ((state&ODS_SELECTED)||(state&ODS_FOCUS))
{
CRect focusRect (rect); //焦点矩形
focusRect.DeflateRect(4,4,4,4);
CPen pen(PS_DASHDOTDOT,1,RGB(0,0,0));
CBrush brush;
brush.CreateStockObject(NULL_BRUSH);
dc.SelectObject(&brush);
dc.SelectObject(&pen);
//绘制焦点矩形
dc.DrawFocusRect(focusRect);
//绘制立体效果
dc.DrawEdge(rect,BDR_RAISEDINNER|BDR_RAISEDOUTER,BF_BOTTOMLEFT|BF_TOPRIGHT);
//获得焦点时绘制黑色边框
dc.Draw3dRect(rect,RGB(51,51,51),RGB(0,0,0));
}
else //默认情况下
{
CRect focusRect (rect);
focusRect.DeflateRect(4,4,4,4);
CPen pen(PS_DOT,1,RGB(192,192,192));
CBrush brush;
brush.CreateStockObject(NULL_BRUSH);
dc.SelectObject(&brush);
dc.SelectObject(&pen);
dc.Rectangle(focusRect);
dc.DrawEdge(rect,BDR_RAISEDINNER|BDR_RAISEDOUTER,BF_BOTTOMLEFT|BF_TOPRIGHT);
}
if (IsPressed) //在按钮被按下时绘制按下效果
{
CRect focusRect1(rect);
focusRect1.DeflateRect(4,4,4,4);
dc.DrawFocusRect(focusRect1);
dc.DrawEdge(rect,BDR_SUNKENINNER |BDR_SUNKENOUTER ,BF_BOTTOMLEFT|BF_TOPRIGHT);
dc.Draw3dRect(rect,RGB(51,51,51),RGB(0,0,0));
//dc.DrawFocusRect(focusRect1);
}
//绘制按钮文本
CString text;
GetWindowText(text);
rect.DeflateRect(point.x+imagesize.cx+2,0,0,0);
dc.SetBkMode(TRANSPARENT);
dc.DrawText(text,rect,DT_LEFT|DT_SINGLELINE|DT_VCENTER);
}
}
void ImageButton::PreSubclassWindow()
{
// TODO: Add your specialized code here and/or call the base class
CButton::PreSubclassWindow();
ModifyStyle(0,BS_OWNERDRAW);
}
void ImageButton::OnMouseMove(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
/* CRect rect;
GetClientRect(rect);
if (!rect.PtInRect(point)) //判断当前鼠标点是否在按钮区域内
{
if (IsPressed) //如果鼠标不在按钮的区域内,并且按钮处于按下状态,将按钮设置为正常状态
IsPressed = FALSE;
}*/
CButton::OnMouseMove(nFlags, point);
}
void ImageButton::OnLButtonDown(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
IsPressed = TRUE; //按钮被按下
CButton::OnLButtonDown(nFlags, point);
}
void ImageButton::OnLButtonUp(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
IsPressed = FALSE; //释放鼠标按钮
CButton::OnLButtonUp(nFlags, point);
}