135 lines
2.6 KiB
C++
Executable File
135 lines
2.6 KiB
C++
Executable File
// BmpButton.cpp : 实现文件
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//
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#include "stdafx.h"
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#include "MusicPlayer.h"
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#include "BmpButton.h"
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// CBmpButton
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IMPLEMENT_DYNAMIC(CBmpButton, CButton)
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CBmpButton::CBmpButton()
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{
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m_InitDC = FALSE;
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m_NormalDC.CreateCompatibleDC(NULL);
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m_DisableDC.CreateCompatibleDC(NULL);
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m_DownDC.CreateCompatibleDC(NULL);
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m_ButType = BT_NORMAL;
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}
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CBmpButton::~CBmpButton()
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{
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m_DisableDC.DeleteDC();
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m_DownDC.DeleteDC();
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m_NormalDC.DeleteDC();
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}
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BEGIN_MESSAGE_MAP(CBmpButton, CButton)
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ON_WM_PAINT()
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ON_WM_ERASEBKGND()
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END_MESSAGE_MAP()
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// CBmpButton 消息处理程序
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void CBmpButton::LoadBitmaps(UINT nIDBitmapResource, UINT nIDBitmapResourceSel, UINT nIDBitmapResourceDisabled)
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{
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CBitmap bmp;
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bmp.LoadBitmap(nIDBitmapResource);
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m_NormalDC.SelectObject(&bmp);
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bmp.DeleteObject();
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if (nIDBitmapResourceSel != 0)
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{
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bmp.LoadBitmap(nIDBitmapResourceSel);
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m_DownDC.SelectObject(&bmp);
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bmp.DeleteObject();
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m_ButType |= BT_DOWN;
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}
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if (nIDBitmapResourceDisabled != 0)
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{
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bmp.LoadBitmap(nIDBitmapResourceDisabled);
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m_DisableDC.SelectObject(&bmp);
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bmp.DeleteObject();
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m_ButType |= BT_DISABLE;
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}
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m_InitDC = TRUE;
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}
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void CBmpButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
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{
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// TODO: 添加您的代码以绘制指定项
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CRect rect;
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GetClientRect(&rect);
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UINT status = lpDrawItemStruct->itemState;
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CClientDC dc(this);
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m_Status = BTS_NORMAL;
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dc.BitBlt(0,0,rect.Width(),rect.Height(),&m_NormalDC,0,0,SRCCOPY);
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if (status & ODS_DISABLED)
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{
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dc.BitBlt(0,0,rect.Width(),rect.Height(),&m_DisableDC,0,0,SRCCOPY);
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m_Status = BTS_DISABLE;
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}
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else if (status & ODS_SELECTED)
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{
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m_Status = BTS_DOWN;
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dc.BitBlt(0,0,rect.Width(),rect.Height(),&m_DownDC,0,0,SRCCOPY);
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}
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}
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void CBmpButton::OnPaint()
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{
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CPaintDC dc(this); // device context for painting
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// TODO: 在此处添加消息处理程序代码
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// 不为绘图消息调用 CButton::OnPaint()
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if (m_InitDC)
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{
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CRect rect;
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GetClientRect(&rect);
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if (IsWindowEnabled())
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{
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dc.BitBlt(0,0,rect.Width(),rect.Height(),&m_NormalDC,0,0,SRCCOPY);
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}
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else
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{
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dc.BitBlt(0,0,rect.Width(),rect.Height(),&m_DisableDC,0,0,SRCCOPY);
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}
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}
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}
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BOOL CBmpButton::OnEraseBkgnd(CDC* pDC)
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{
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// TODO: 在此添加消息处理程序代码和/或调用默认值
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return FALSE;
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// return CButton::OnEraseBkgnd(pDC);
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}
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void CBmpButton::PreSubclassWindow()
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{
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// TODO: 在此添加专用代码和/或调用基类
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// 在此设置按钮样式为自绘按钮
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ModifyStyle(0, GetStyle()|BS_OWNERDRAW);
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CButton::PreSubclassWindow();
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}
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void CBmpButton::SetButType(int nType)
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{
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m_ButType |= nType;
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}
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