97 lines
1.7 KiB
C++
97 lines
1.7 KiB
C++
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//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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#include "mxBitmapButton.h"
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#include "hlfaceposer.h"
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mxBitmapButton::mxBitmapButton( mxWindow *parent, int x, int y, int w, int h, int id /*= 0*/, const char *bitmap /* = 0 */ )
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: mxWindow( parent, x, y, w, h, "" )
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{
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setId( id );
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m_bmImage.valid = false;
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SetImage( bitmap );
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HWND wnd = (HWND)getHandle();
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DWORD style = GetWindowLong( wnd, GWL_STYLE );
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style |= WS_CLIPSIBLINGS;
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SetWindowLong( wnd, GWL_STYLE, style );
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}
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mxBitmapButton::~mxBitmapButton( void )
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{
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DeleteImage();
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}
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void mxBitmapButton::redraw()
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{
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HWND wnd = (HWND)getHandle();
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if ( !wnd )
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return;
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if ( !m_bmImage.valid )
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return;
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RECT rc;
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GetClientRect( wnd, &rc );
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HDC dc = GetDC( wnd );
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DrawBitmapToDC( dc, 0, 0, w(), h(), m_bmImage );
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ReleaseDC( wnd, dc );
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ValidateRect( wnd, &rc );
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}
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int mxBitmapButton::handleEvent( mxEvent * event )
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{
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int iret = 0;
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switch (event->event)
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{
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case mxEvent::MouseUp:
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// Send message to parent
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HWND parent = (HWND)( getParent() ? getParent()->getHandle() : NULL );
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if ( parent )
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{
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LPARAM lp;
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WPARAM wp;
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wp = MAKEWPARAM( getId(), BN_CLICKED );
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lp = (long)getHandle();
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SendMessage( parent, WM_COMMAND, wp, lp );
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iret = 1;
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}
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break;
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}
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return iret;
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}
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void mxBitmapButton::SetImage( const char *bitmapname )
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{
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if ( m_bmImage.valid )
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{
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DeleteImage();
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}
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LoadBitmapFromFile( bitmapname, m_bmImage );
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}
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void mxBitmapButton::DeleteImage( void )
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{
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if ( m_bmImage.valid )
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{
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DeleteObject( m_bmImage.image );
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m_bmImage.valid = false;
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}
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}
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