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94 lines
2.8 KiB
94 lines
2.8 KiB
//========= Copyright 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 "stdafx.h" |
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#include "window_anchor_mgr.h" |
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// ------------------------------------------------------------------------------------ // |
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// CWindowAnchor. |
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// ------------------------------------------------------------------------------------ // |
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bool CWindowAnchor::Init( CWnd *pParentWnd, CWnd *pChildWnd, int aLeft, int aTop, int aRight, int aBottom ) |
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{ |
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m_pWnd = pChildWnd; |
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m_aLeft = aLeft; |
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m_aTop = aTop; |
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m_aRight = aRight; |
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m_aBottom = aBottom; |
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if ( m_pWnd && pParentWnd ) |
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{ |
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pParentWnd->GetWindowRect( m_ParentRect ); |
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pChildWnd->GetWindowRect( m_Rect ); |
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return true; |
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} |
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else |
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{ |
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return false; |
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} |
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} |
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void AnchorElement( long *pOut, CRect &rcParent, int startElement, CRect &rcParentStart, int flags ) |
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{ |
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if ( flags == ANCHOR_LEFT ) |
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*pOut = rcParent.left + ( startElement - rcParentStart.left ); |
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else if ( flags == ANCHOR_TOP ) |
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*pOut = rcParent.top + ( startElement - rcParentStart.top ); |
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else if ( flags == ANCHOR_RIGHT ) |
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*pOut = rcParent.right - ( rcParentStart.right - startElement ); |
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else if ( flags == ANCHOR_BOTTOM ) |
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*pOut = rcParent.bottom - ( rcParentStart.bottom - startElement ); |
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else if ( flags == ANCHOR_WIDTH_PERCENT ) |
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*pOut = rcParent.left + (rcParent.Width() * ( startElement - rcParentStart.left )) / rcParentStart.Width(); |
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else if ( flags == ANCHOR_HEIGHT_PERCENT ) |
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*pOut = rcParent.top + (rcParent.Height() * ( startElement - rcParentStart.top )) / rcParentStart.Height(); |
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} |
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void CWindowAnchor::Update( CWnd *pParentWnd ) |
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{ |
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if ( !m_pWnd ) |
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return; |
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CRect rcParent; |
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pParentWnd->GetWindowRect( rcParent ); |
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CRect rcNew; |
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AnchorElement( &rcNew.left, rcParent, m_Rect.left, m_ParentRect, m_aLeft ); |
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AnchorElement( &rcNew.top, rcParent, m_Rect.top, m_ParentRect, m_aTop ); |
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AnchorElement( &rcNew.right, rcParent, m_Rect.right, m_ParentRect, m_aRight ); |
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AnchorElement( &rcNew.bottom, rcParent, m_Rect.bottom, m_ParentRect, m_aBottom ); |
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pParentWnd->ScreenToClient( rcNew ); |
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m_pWnd->SetWindowPos( NULL, rcNew.left, rcNew.top, rcNew.Width(), rcNew.Height(), SWP_NOZORDER ); |
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m_pWnd->InvalidateRect( NULL ); |
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} |
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// ------------------------------------------------------------------------------------ // |
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// CWindowAnchorMgr. |
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// ------------------------------------------------------------------------------------ // |
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bool CWindowAnchorMgr::AddAnchor( CWnd *pParentWnd, CWnd *pChildWnd, int aLeft, int aTop, int aRight, int aBottom ) |
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{ |
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int index = m_Anchors.AddToTail(); |
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return m_Anchors[index].Init( pParentWnd, pChildWnd, aLeft, aTop, aRight, aBottom ); |
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} |
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void CWindowAnchorMgr::UpdateAnchors( CWnd *pParentWnd ) |
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{ |
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FOR_EACH_LL( m_Anchors, i ) |
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{ |
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m_Anchors[i].Update( pParentWnd ); |
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} |
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} |
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