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1 #pragma once
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2
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3 #include "win32_op.h"
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4
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5 typedef CWinTraits<WS_POPUP,WS_EX_LAYERED> _COverlayWindowTraits;
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6
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7 class CIconOverlayWindow : public CWindowImpl<CIconOverlayWindow,CWindow,_COverlayWindowTraits> {
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8 public:
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9 DECLARE_WND_CLASS_EX(TEXT("{384298D0-4370-4f9b-9C36-49FC1A396DC7}"),0,(-1));
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10
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11 void AttachIcon(HICON p_icon) {m_icon = p_icon;}
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12 bool HaveIcon() const {return m_icon != NULL;}
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13
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14 enum {
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15 ColorKey = 0xc0ffee
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16 };
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17
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18 BEGIN_MSG_MAP_EX(CIconOverlayWindow)
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19 MESSAGE_HANDLER(WM_CREATE,OnCreate);
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20 MESSAGE_HANDLER(WM_PAINT,OnPaint);
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21 MESSAGE_HANDLER(WM_ERASEBKGND,OnEraseBkgnd);
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22 END_MSG_MAP()
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23 private:
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24 LRESULT OnCreate(UINT,WPARAM,LPARAM,BOOL&) {
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25 ::SetLayeredWindowAttributes(*this,ColorKey,0,LWA_COLORKEY);
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26 return 0;
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27 }
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28 LRESULT OnEraseBkgnd(UINT,WPARAM p_wp,LPARAM,BOOL&) {
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29 CRect rcClient;
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30 WIN32_OP_D( GetClientRect(rcClient) );
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31 CDCHandle((HDC)p_wp).FillSolidRect(rcClient,ColorKey);
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32 return 1;
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33 }
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34 LRESULT OnPaint(UINT,WPARAM,LPARAM,BOOL& bHandled) {
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35 if (m_icon != NULL) {
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36 CPaintDC dc(*this);
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37 CRect client;
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38 WIN32_OP_D( GetClientRect(&client) );
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39 dc.DrawIconEx(0,0,m_icon,client.right,client.bottom);
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40 //CDCHandle(ps.hdc).DrawIcon(0,0,m_icon);
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41 } else {
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42 bHandled = FALSE;
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43 }
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44 return 0;
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45 }
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46 CIcon m_icon;
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47 };
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