1 files changed, 151 insertions, 0 deletions
diff --git a/hammer/AnchorMgr.cpp b/hammer/AnchorMgr.cpp
new file mode 100644
index 0000000..859dfbf
--- /dev/null
+++ b/hammer/AnchorMgr.cpp
@@ -0,0 +1,151 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================
+
+#include "stdafx.h"
+#include "AnchorMgr.h"
+
+
+static int ProcessAnchorHorz( int originalCoord, int originalParentSize[2], EAnchorHorz eAnchor, int parentWidth, int parentHeight )
+{
+	if ( eAnchor == k_eAnchorLeft )
+		return originalCoord;
+	else
+		return parentWidth - (originalParentSize[0] - originalCoord);
+}
+
+static int ProcessAnchorVert( int originalCoord, int originalParentSize[2], EAnchorVert eAnchor, int parentWidth, int parentHeight )
+{
+	if ( eAnchor == k_eAnchorTop )
+		return originalCoord;
+	else
+		return parentHeight - (originalParentSize[1] - originalCoord);
+}
+
+
+CAnchorDef::CAnchorDef( int dlgItemID, ESimpleAnchor eSimpleAnchor )
+{
+	Init( NULL, dlgItemID, eSimpleAnchor );
+}
+
+CAnchorDef::CAnchorDef( int dlgItemID, EAnchorHorz eLeftSide, EAnchorVert eTopSide, EAnchorHorz eRightSide, EAnchorVert eBottomSide )
+{
+	Init( NULL, dlgItemID, eLeftSide, eTopSide, eRightSide, eBottomSide );
+}
+
+CAnchorDef::CAnchorDef( HWND hWnd, ESimpleAnchor eSimpleAnchor )
+{
+	Init( hWnd, -1, eSimpleAnchor );
+}
+
+CAnchorDef::CAnchorDef( HWND hWnd, EAnchorHorz eLeftSide, EAnchorVert eTopSide, EAnchorHorz eRightSide, EAnchorVert eBottomSide )
+{
+	Init( hWnd, -1, eLeftSide, eTopSide, eRightSide, eBottomSide );
+}
+
+void CAnchorDef::Init( HWND hWnd, int dlgItemID, ESimpleAnchor eSimpleAnchor )
+{
+	if ( eSimpleAnchor == k_eSimpleAnchorBottomRight )
+	{
+		Init( hWnd, dlgItemID, k_eAnchorRight, k_eAnchorBottom, k_eAnchorRight, k_eAnchorBottom );
+	}
+	else if ( eSimpleAnchor == k_eSimpleAnchorAllSides )
+	{
+		Init( hWnd, dlgItemID, k_eAnchorLeft, k_eAnchorTop, k_eAnchorRight, k_eAnchorBottom );
+	}
+	else if ( eSimpleAnchor == k_eSimpleAnchorStretchRight )
+	{
+		Init( hWnd, dlgItemID, k_eAnchorLeft, k_eAnchorTop, k_eAnchorRight, k_eAnchorTop );
+	}
+	else if ( eSimpleAnchor == k_eSimpleAnchorRightSide )
+	{
+		Init( hWnd, dlgItemID, k_eAnchorRight, k_eAnchorTop, k_eAnchorRight, k_eAnchorTop );
+	}
+	else if ( eSimpleAnchor == k_eSimpleAnchorBottomSide )
+	{
+		Init( hWnd, dlgItemID, k_eAnchorLeft, k_eAnchorBottom, k_eAnchorLeft, k_eAnchorBottom );
+	}
+}
+
+void CAnchorDef::Init( HWND hWnd, int dlgItemID, EAnchorHorz eLeftSide, EAnchorVert eTopSide, EAnchorHorz eRightSide, EAnchorVert eBottomSide )
+{
+	m_hInputWnd = hWnd;
+	m_DlgItemID = dlgItemID;
+	m_AnchorLeft = eLeftSide;
+	m_AnchorTop = eTopSide;
+	m_AnchorRight = eRightSide;
+	m_AnchorBottom = eBottomSide;
+}
+
+
+CAnchorMgr::CAnchorMgr()
+{
+}
+
+void CAnchorMgr::Init( HWND hParentWnd, CAnchorDef *pAnchors, int nAnchors )
+{
+	m_Anchors.CopyArray( pAnchors, nAnchors );
+	
+	m_hParentWnd = hParentWnd;
+	
+	// Figure out the main window's size.
+	RECT rcParent, rcItem;
+	GetWindowRect( m_hParentWnd, &rcParent );
+	m_OriginalParentSize[0] = rcParent.right - rcParent.left;
+	m_OriginalParentSize[1] = rcParent.bottom - rcParent.top;
+
+	// Get all the subitem positions.	
+	for ( int i=0; i < m_Anchors.Count(); i++ )
+	{
+		CAnchorDef *pAnchor = &m_Anchors[i];
+
+		if ( pAnchor->m_hInputWnd )
+			pAnchor->m_hWnd = pAnchor->m_hInputWnd;
+		else	
+			pAnchor->m_hWnd = GetDlgItem( m_hParentWnd, pAnchor->m_DlgItemID );
+			
+		if ( !pAnchor->m_hWnd )
+			continue;
+
+		GetWindowRect( pAnchor->m_hWnd, &rcItem );
+		POINT ptTopLeft;
+		ptTopLeft.x = rcItem.left;
+		ptTopLeft.y = rcItem.top;
+		ScreenToClient( m_hParentWnd, &ptTopLeft );
+		
+		pAnchor->m_OriginalPos[0] = ptTopLeft.x;
+		pAnchor->m_OriginalPos[1] = ptTopLeft.y;
+		pAnchor->m_OriginalPos[2] = ptTopLeft.x + (rcItem.right - rcItem.left);
+		pAnchor->m_OriginalPos[3] = ptTopLeft.y + (rcItem.bottom - rcItem.top);
+	}
+}
+
+void CAnchorMgr::OnSize()
+{
+	// Get the new size.
+	int width, height;
+	RECT rcParent;
+	GetWindowRect( m_hParentWnd, &rcParent );
+	width = rcParent.right - rcParent.left;
+	height = rcParent.bottom - rcParent.top;
+	
+	// Move each item.
+	for ( int i=0; i < m_Anchors.Count(); i++ )
+	{
+		CAnchorDef *pAnchor = &m_Anchors[i];
+		if ( !pAnchor->m_hWnd )
+			continue;
+	
+		RECT rcNew;
+		rcNew.left   = ProcessAnchorHorz( pAnchor->m_OriginalPos[0], m_OriginalParentSize, pAnchor->m_AnchorLeft, width, height );
+		rcNew.right  = ProcessAnchorHorz( pAnchor->m_OriginalPos[2], m_OriginalParentSize, pAnchor->m_AnchorRight, width, height );
+		rcNew.top    = ProcessAnchorVert( pAnchor->m_OriginalPos[1], m_OriginalParentSize, pAnchor->m_AnchorTop, width, height );
+		rcNew.bottom = ProcessAnchorVert( pAnchor->m_OriginalPos[3], m_OriginalParentSize, pAnchor->m_AnchorBottom, width, height );
+	
+		SetWindowPos( pAnchor->m_hWnd, NULL, rcNew.left, rcNew.top, rcNew.right-rcNew.left, rcNew.bottom-rcNew.top, SWP_NOZORDER );
+		InvalidateRect( pAnchor->m_hWnd, NULL, false );
+	}
+}
+