48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
#pragma once
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#include "win32_op.h"
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typedef CWinTraits<WS_POPUP,WS_EX_LAYERED> _COverlayWindowTraits;
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class CIconOverlayWindow : public CWindowImpl<CIconOverlayWindow,CWindow,_COverlayWindowTraits> {
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public:
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DECLARE_WND_CLASS_EX(TEXT("{384298D0-4370-4f9b-9C36-49FC1A396DC7}"),0,(-1));
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void AttachIcon(HICON p_icon) {m_icon = p_icon;}
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bool HaveIcon() const {return m_icon != NULL;}
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enum {
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ColorKey = 0xc0ffee
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};
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BEGIN_MSG_MAP_EX(CIconOverlayWindow)
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MESSAGE_HANDLER(WM_CREATE,OnCreate);
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MESSAGE_HANDLER(WM_PAINT,OnPaint);
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MESSAGE_HANDLER(WM_ERASEBKGND,OnEraseBkgnd);
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END_MSG_MAP()
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private:
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LRESULT OnCreate(UINT,WPARAM,LPARAM,BOOL&) {
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::SetLayeredWindowAttributes(*this,ColorKey,0,LWA_COLORKEY);
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return 0;
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}
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LRESULT OnEraseBkgnd(UINT,WPARAM p_wp,LPARAM,BOOL& bHandled) {
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CRect rcClient;
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WIN32_OP_D( GetClientRect(rcClient) );
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CDCHandle((HDC)p_wp).FillSolidRect(rcClient,ColorKey);
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return 1;
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}
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LRESULT OnPaint(UINT,WPARAM,LPARAM,BOOL& bHandled) {
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if (m_icon != NULL) {
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CPaintDC dc(*this);
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CRect client;
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WIN32_OP_D( GetClientRect(&client) );
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dc.DrawIconEx(0,0,m_icon,client.right,client.bottom);
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//CDCHandle(ps.hdc).DrawIcon(0,0,m_icon);
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} else {
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bHandled = FALSE;
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}
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return 0;
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}
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CIcon m_icon;
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};
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