152 lines
4.6 KiB
C++
152 lines
4.6 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//=============================================================================
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#include "stdafx.h"
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#include "AnchorMgr.h"
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static int ProcessAnchorHorz( int originalCoord, int originalParentSize[2], EAnchorHorz eAnchor, int parentWidth, int parentHeight )
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{
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if ( eAnchor == k_eAnchorLeft )
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return originalCoord;
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else
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return parentWidth - (originalParentSize[0] - originalCoord);
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}
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static int ProcessAnchorVert( int originalCoord, int originalParentSize[2], EAnchorVert eAnchor, int parentWidth, int parentHeight )
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{
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if ( eAnchor == k_eAnchorTop )
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return originalCoord;
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else
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return parentHeight - (originalParentSize[1] - originalCoord);
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}
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CAnchorDef::CAnchorDef( int dlgItemID, ESimpleAnchor eSimpleAnchor )
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{
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Init( NULL, dlgItemID, eSimpleAnchor );
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}
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CAnchorDef::CAnchorDef( int dlgItemID, EAnchorHorz eLeftSide, EAnchorVert eTopSide, EAnchorHorz eRightSide, EAnchorVert eBottomSide )
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{
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Init( NULL, dlgItemID, eLeftSide, eTopSide, eRightSide, eBottomSide );
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}
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CAnchorDef::CAnchorDef( HWND hWnd, ESimpleAnchor eSimpleAnchor )
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{
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Init( hWnd, -1, eSimpleAnchor );
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}
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CAnchorDef::CAnchorDef( HWND hWnd, EAnchorHorz eLeftSide, EAnchorVert eTopSide, EAnchorHorz eRightSide, EAnchorVert eBottomSide )
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{
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Init( hWnd, -1, eLeftSide, eTopSide, eRightSide, eBottomSide );
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}
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void CAnchorDef::Init( HWND hWnd, int dlgItemID, ESimpleAnchor eSimpleAnchor )
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{
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if ( eSimpleAnchor == k_eSimpleAnchorBottomRight )
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{
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Init( hWnd, dlgItemID, k_eAnchorRight, k_eAnchorBottom, k_eAnchorRight, k_eAnchorBottom );
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}
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else if ( eSimpleAnchor == k_eSimpleAnchorAllSides )
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{
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Init( hWnd, dlgItemID, k_eAnchorLeft, k_eAnchorTop, k_eAnchorRight, k_eAnchorBottom );
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}
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else if ( eSimpleAnchor == k_eSimpleAnchorStretchRight )
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{
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Init( hWnd, dlgItemID, k_eAnchorLeft, k_eAnchorTop, k_eAnchorRight, k_eAnchorTop );
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}
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else if ( eSimpleAnchor == k_eSimpleAnchorRightSide )
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{
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Init( hWnd, dlgItemID, k_eAnchorRight, k_eAnchorTop, k_eAnchorRight, k_eAnchorTop );
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}
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else if ( eSimpleAnchor == k_eSimpleAnchorBottomSide )
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{
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Init( hWnd, dlgItemID, k_eAnchorLeft, k_eAnchorBottom, k_eAnchorLeft, k_eAnchorBottom );
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}
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}
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void CAnchorDef::Init( HWND hWnd, int dlgItemID, EAnchorHorz eLeftSide, EAnchorVert eTopSide, EAnchorHorz eRightSide, EAnchorVert eBottomSide )
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{
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m_hInputWnd = hWnd;
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m_DlgItemID = dlgItemID;
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m_AnchorLeft = eLeftSide;
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m_AnchorTop = eTopSide;
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m_AnchorRight = eRightSide;
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m_AnchorBottom = eBottomSide;
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}
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CAnchorMgr::CAnchorMgr()
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{
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}
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void CAnchorMgr::Init( HWND hParentWnd, CAnchorDef *pAnchors, int nAnchors )
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{
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m_Anchors.CopyArray( pAnchors, nAnchors );
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m_hParentWnd = hParentWnd;
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// Figure out the main window's size.
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RECT rcParent, rcItem;
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GetWindowRect( m_hParentWnd, &rcParent );
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m_OriginalParentSize[0] = rcParent.right - rcParent.left;
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m_OriginalParentSize[1] = rcParent.bottom - rcParent.top;
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// Get all the subitem positions.
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for ( int i=0; i < m_Anchors.Count(); i++ )
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{
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CAnchorDef *pAnchor = &m_Anchors[i];
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if ( pAnchor->m_hInputWnd )
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pAnchor->m_hWnd = pAnchor->m_hInputWnd;
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else
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pAnchor->m_hWnd = GetDlgItem( m_hParentWnd, pAnchor->m_DlgItemID );
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if ( !pAnchor->m_hWnd )
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continue;
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GetWindowRect( pAnchor->m_hWnd, &rcItem );
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POINT ptTopLeft;
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ptTopLeft.x = rcItem.left;
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ptTopLeft.y = rcItem.top;
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ScreenToClient( m_hParentWnd, &ptTopLeft );
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pAnchor->m_OriginalPos[0] = ptTopLeft.x;
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pAnchor->m_OriginalPos[1] = ptTopLeft.y;
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pAnchor->m_OriginalPos[2] = ptTopLeft.x + (rcItem.right - rcItem.left);
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pAnchor->m_OriginalPos[3] = ptTopLeft.y + (rcItem.bottom - rcItem.top);
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}
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}
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void CAnchorMgr::OnSize()
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{
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// Get the new size.
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int width, height;
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RECT rcParent;
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GetWindowRect( m_hParentWnd, &rcParent );
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width = rcParent.right - rcParent.left;
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height = rcParent.bottom - rcParent.top;
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// Move each item.
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for ( int i=0; i < m_Anchors.Count(); i++ )
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{
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CAnchorDef *pAnchor = &m_Anchors[i];
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if ( !pAnchor->m_hWnd )
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continue;
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RECT rcNew;
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rcNew.left = ProcessAnchorHorz( pAnchor->m_OriginalPos[0], m_OriginalParentSize, pAnchor->m_AnchorLeft, width, height );
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rcNew.right = ProcessAnchorHorz( pAnchor->m_OriginalPos[2], m_OriginalParentSize, pAnchor->m_AnchorRight, width, height );
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rcNew.top = ProcessAnchorVert( pAnchor->m_OriginalPos[1], m_OriginalParentSize, pAnchor->m_AnchorTop, width, height );
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rcNew.bottom = ProcessAnchorVert( pAnchor->m_OriginalPos[3], m_OriginalParentSize, pAnchor->m_AnchorBottom, width, height );
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SetWindowPos( pAnchor->m_hWnd, NULL, rcNew.left, rcNew.top, rcNew.right-rcNew.left, rcNew.bottom-rcNew.top, SWP_NOZORDER );
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InvalidateRect( pAnchor->m_hWnd, NULL, false );
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}
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}
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