hello world

neo/tools/guied/GEZOrderModifier.cpp

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+/*
+===========================================================================
+
+Doom 3 GPL Source Code
+Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company. 
+
+This file is part of the Doom 3 GPL Source Code (?Doom 3 Source Code?).  
+
+Doom 3 Source Code is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+Doom 3 Source Code is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Doom 3 Source Code.  If not, see <http://www.gnu.org/licenses/>.
+
+In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code.  If not, please request a copy in writing from id Software at the address below.
+
+If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
+
+===========================================================================
+*/
+
+#include "../../idlib/precompiled.h"
+#pragma hdrstop
+
+#include "GEApp.h"
+#include "GEZOrderModifier.h"
+
+
+rvGEZOrderModifier::rvGEZOrderModifier ( const char* name, idWindow* window, EZOrderChange change ) :
+	rvGEModifier ( name, window )
+{
+	int			count;
+	int			index;
+	idWindow*	parent;
+	
+	parent = window->GetParent ( );
+	if ( !parent ) 
+	{
+		return;
+	}
+	
+	count = parent->GetChildCount ( );
+	index = parent->GetChildIndex ( mWindow );
+				
+	if ( index + 1 >= count )
+	{
+		mUndoBefore = NULL;
+	}
+	else
+	{
+		mUndoBefore = parent->GetChild ( index + 1 );
+	}
+	
+	switch ( change )
+	{
+		case ZO_FORWARD:
+			index+=2;			
+			break;
+		
+		case ZO_BACKWARD:
+			if ( index == 0 )
+			{
+				index = 1;
+			}
+			else
+			{
+				index-=1;
+			}
+			break;
+			
+		case ZO_BACK:
+			index = 0;
+			break;
+			
+		case ZO_FRONT:
+			index = count;
+			break;
+	}
+
+	if ( index >= count )
+	{
+		mBefore = NULL;
+	}
+	else
+	{
+		mBefore = parent->GetChild ( index );
+	}
+}
+
+bool rvGEZOrderModifier::Apply ( void )
+{
+	idWindow* parent;
+	
+	parent = mWindow->GetParent ( );
+	
+	parent->RemoveChild ( mWindow );
+	parent->InsertChild ( mWindow, mBefore );	
+
+	return true;
+}
+
+bool rvGEZOrderModifier::Undo ( void )
+{
+	idWindow* parent;
+	
+	parent = mWindow->GetParent ( );
+	
+	parent->RemoveChild ( mWindow );
+	parent->InsertChild ( mWindow, mUndoBefore );	
+	
+	return true;
+}
+
+bool rvGEZOrderModifier::IsValid ( void )
+{
+	if ( !mWindow->GetParent ( ) )
+	{
+		return false;
+	}
+	
+	return true;
+}