/*
 * pawswidget.cpp - Author: Andrew Craig
 *
 * Copyright (C) 2003 Atomic Blue (info@planeshift.it, http://www.atomicblue.org)
 *
 *
 * This program 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 (version 2 of the License)
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */
// pawswidget.cpp: implementation of the pawsWidget class.
//
//////////////////////////////////////////////////////////////////////
#include <psconfig.h>

#include <ctype.h>

#include <iutil/cfgmgr.h>
#include <iutil/evdefs.h>
#include <ivideo/fontserv.h>
#include <csutil/xmltiny.h>

#include "util/localization.h"

#include "pawswidget.h"
#include "pawsmanager.h"
#include "pawstexturemanager.h"
#include "pawsprefmanager.h"
#include "pawsborder.h"
#include "pawsmenu.h"
#include "pawsmainwidget.h"
#include "util/log.h"
#include "util/psstring.h"
#include "widgetconfigwindow.h"

#define RX(x) ((int) ((((float)x)*ratioX)+.5))
#define RY(y) ((int) ((((float)y)*ratioY)+.5))

//#define PAWS_CONSTRUCTION // Enable this to be able to move around widgets at will


//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

pawsWidget::pawsWidget( )
{
    graphics2D = PawsManager::GetSingleton().GetGraphics2D();

    screenFrame = csRect(0,0,0,0);
    clipRect = csRect(0,0,0,0);
    saveWidgetPositions = false;

    visible  = true;
    movable  = false;
    alwaysOnTop = false;
    isResizable = false;
    showResize = true;
    resizeToScreen = true;
    id = -1;
    parent   = NULL;
    bgColour = -1;
    bgImage  = NULL;
    border   = NULL;
    name = "None";
    attachFlags = 0;
    fadeVal = 100;
    fadeSpeed = 8.0f;
    fade = true;
    alphaMin=0;
    alpha=0;
    hasFocus = false;
    hasMouseFocus=false;
    configurable = false;
    fontStyle = 0;
    min_height = DEFAULT_MIN_HEIGHT;
    min_width = DEFAULT_MIN_WIDTH;
    max_height = graphics2D->GetHeight();
    max_width = graphics2D->GetWidth();
    hasBorderColours = false;
    contextMenu = NULL;
    xmlbinding = "";
    ignore = false;
    maskImage = NULL;
    onEnter = NULL;
    margin = 0;
    close_widget = 0;
    extraData = 0;
    defaultFontColour = -1;
    fontSize = 10;
    fontScaling = 0;  // none
}

pawsWidget::~pawsWidget()
{
    // Check to see if the widget position should be save.
    if ( saveWidgetPositions )
        SavePosition();

    if ( configurable )
        SaveSettings();
        
    if ( fontScaling )
        SaveFontSettings();

    while ( children.Length() > 0 )
    {
        pawsWidget* wdg = children.Pop();
        if (wdg)
            delete wdg;
    }
    
    if (contextMenu != NULL)
    {
        PawsManager::GetSingleton().GetMainWidget()->DeleteChild(contextMenu);
        contextMenu = NULL;
    }

    PawsManager::GetSingleton().UnSubscribe(this);

    PawsManager::GetSingleton().OnWidgetDeleted(this);

    delete bgImage;
    delete border;

    if (maskImage)
        delete maskImage;

    delete extraData;
    
    if (parent)
        parent->RemoveChild(this);
}

void pawsWidget::SetFilename(const char *name)
{
    filename=name;
}

const char *pawsWidget::GetFilename()
{
    return filename;
}

bool pawsWidget::CheckButtonPressed( int button, int modifiers, pawsWidget* pressedWidget )
{  
    if ( pressedWidget->GetName()!=NULL  &&  GetCloseName()!=NULL  &&  strcmp( pressedWidget->GetName(),GetCloseName())==0 )
    {
        Close();
        return true;
    }
    else
        return OnButtonPressed( button, modifiers, pressedWidget );
}                 

/*
 * Check to see if this widget contains these coordinates at all.
 * Recurse through children to see if they could the one the mouse is over.
 * Return this widget if no children contain the coords.
 */
pawsWidget* pawsWidget::WidgetAt( int x, int y )
{      
    if ( ignore ) return NULL;
    if ( Contains( x, y ) == false )
    {
        return NULL;
    }

    //Recurse through children to see if they could the one the mouse is over.
    for (size_t z = 0; z < children.Length(); z++ )
    {
        if ( !children[z]->ignore  &&  children[z]->IsVisible() )
        { 
            if ( children[z]->Contains(x,y) )
                return children[z]->WidgetAt( x , y );
        }
    }
        
    //Return this widget if no children contain the coords.
    return this;
}

bool pawsWidget::Contains( int x, int y )
{
    if ( border )
    {
        return border->GetRect().Contains(x,y);
    }           
    else
        return screenFrame.Contains(x,y);       
}

void pawsWidget::SetParent( pawsWidget* newParent )
{
    parent = newParent;
}

void pawsWidget::AddChild( pawsWidget* childWidget )
{
    if ( !childWidget )
        return;

    if ( childWidget->IsAlwaysOnTop() )
        children.Insert( 0, childWidget );
    else
        children.Push( childWidget );

    // Let the child know that he is attached to this widget.
    childWidget->SetParent( this );
}

void pawsWidget::RemoveChild( pawsWidget* widget )
{
    if ( !widget )
        return;

    children.Delete( widget );   
}

void pawsWidget::DeleteChild( pawsWidget* widget )
{
    RemoveChild(widget);
    delete widget;
}

bool pawsWidget::IsIndirectChild( pawsWidget * widget )
{
    for (size_t z = 0; z < children.Length(); z++ )
    {
        if (children[z] == widget)
            return true;
        if (children[z]->IsIndirectChild(widget))
            return true;
    }
    return false;
}

bool pawsWidget::Includes( pawsWidget * widget )
{
  return widget && (widget == this || IsIndirectChild(widget));
}

bool pawsWidget::LoadAttributes( iDocumentNode* node )
{
    // Get the name for this widget.
    csRef<iDocumentAttribute> atr = node->GetAttribute("name");
    if ( !atr )
    {
        Error1("Widget has not defined a name. Error in XML");
        return false;
    }
    SetName(csString( atr->GetValue() ));
        
    atr = node->GetAttribute("style");
    if (atr)
        PawsManager::GetSingleton().ApplyStyle(atr->GetValue(), node);

    atr = node->GetAttribute("ignore");
    if ( atr )
    {
        csString choice = csString( atr->GetValue() );
        if ( choice == "yes" ) ignore = true;
        if ( choice == "no"  ) ignore = false;
    }
    
    // Check to see if this widget is visible directly after a load.
    atr = node->GetAttribute( "visible" );
    if ( atr )
    {
        csString choice = csString( atr->GetValue() );
        if ( choice == "yes" ) Show();
        if ( choice == "no"  ) Hide();
    }
    

    // Check to see if this widget should save it's position
    atr = node->GetAttribute("savepositions");
    if ( atr )
    {
        csString choice = csString(atr->GetValue());
        if ( choice == "yes" ) saveWidgetPositions = true;
        if ( choice == "no"  ) saveWidgetPositions = false;        
    }

    // Check to see if this widget is movable
    atr = node->GetAttribute("movable");
    if ( atr )
    {
        csString choice = csString(atr->GetValue());
        if ( choice == "yes" ) movable = true;
        if ( choice == "no"  ) movable = false;        
    }

    // Check to see if this widget is configurable
    atr = node->GetAttribute("configurable");
    if ( atr )
    {
        csString choice = csString(atr->GetValue());
        if ( choice == "yes" ) configurable = true;
        if ( choice == "no"  ) configurable = false;        
    }

    // Check to see if this widget's font is configurable
    atr = node->GetAttribute("scalablefont");
    if ( atr )
    {
        csString choice = csString(atr->GetValue());
        if ( choice == "yes" ) fontScaling = 100;
        if ( choice == "no"  ) fontScaling = 0;
    }
    
    if ( fontScaling )
    {
        LoadFontSettings();
    }
    
    atr = node->GetAttribute( "resizable" );
    if ( atr )
    {
        csString choice = csString(atr->GetValue());
        if ( choice == "yes" ) isResizable = true;
        if ( choice == "no"  ) isResizable = false;
    }

    atr = node->GetAttribute( "resizetoscreen" );
    if ( atr )
    {
        resizeToScreen = atr->GetValueAsBool();
    } else if (parent) {
        resizeToScreen = parent->resizeToScreen;
    }
    
    atr = node->GetAttribute( "ContextMenu" );
    if ( atr )
        contextMenuFile = atr->GetValue();

    atr = node->GetAttribute( "id" );
    if ( atr )
    {
        id = atr->GetValueAsInt();
    }

    atr = node->GetAttribute( "xmlbinding" );
    if ( atr )
    {
        xmlbinding = atr->GetValue();
    }

    
    // Get tool tip, if any
    atr = node->GetAttribute( "tooltip" );
    if (atr)
    {
        toolTip = atr->GetValue();
        defaultToolTip =toolTip;
    }

    // Get the optional font for this widget
    csRef<iDocumentNode> fontAttribute = node->GetNode("font");
    if ( fontAttribute )
    {
            fontName = fontAttribute->GetAttributeValue("name");
            fontSize = fontAttribute->GetAttributeValueAsFloat("size");
            bool scaleToScreen = fontAttribute->GetAttributeValueAsBool("resizetoscreen",true);

            if ( this->resizeToScreen && scaleToScreen )
                fontSize *= PawsManager::GetSingleton().GetFontFactor();

            if (fontScaling)
                fontSize *= ((float)fontScaling / 100.0f);

            myFont = graphics2D->GetFontServer()->LoadFont( fontName , (fontSize)? fontSize:10 );
            if ( !myFont )
            {
                Error2("Could not load font: >%s<", (const char*)fontName );
                return false;
            }
            int r = fontAttribute->GetAttributeValueAsInt( "r" );            
            int g = fontAttribute->GetAttributeValueAsInt( "g" );            
            int b = fontAttribute->GetAttributeValueAsInt( "b" );

            if ( r == -1  &&  g == -1  &&  b == -1 )
                defaultFontColour = PawsManager::GetSingleton().GetPrefs()->GetDefaultFontColour();
            else
                defaultFontColour = graphics2D->FindRGB( r, g, b );

            r = fontAttribute->GetAttributeValueAsInt( "sr" );            
            g = fontAttribute->GetAttributeValueAsInt( "sg" );            
            b = fontAttribute->GetAttributeValueAsInt( "sb" );

            defaultFontShadowColour = graphics2D->FindRGB( r, g, b );
            
            if (fontAttribute->GetAttributeValueAsBool( "shadow" ))
                fontStyle |= FONT_DROPSHADOW;
    }

    // Get the frame for this widget.
    csRef<iDocumentNode> frameNode = node->GetNode( "frame" );    
    if ( frameNode )
    {
        defaultFrame.xmin = GetActualWidth(frameNode->GetAttributeValueAsInt("x"));
        defaultFrame.ymin = GetActualHeight(frameNode->GetAttributeValueAsInt("y"));
        int width  = GetActualWidth(frameNode->GetAttributeValueAsInt("width"));
        int height = GetActualHeight(frameNode->GetAttributeValueAsInt("height"));
        
        if (width < min_width)
            width = min_width;
        if (height < min_height)
            height = min_height;
        
        defaultFrame.SetSize( width, height );

        // If this widget has a parent then move it to it's correct relative position.
        if ( parent )
        {
            MoveTo(parent->ScreenFrame().xmin + defaultFrame.xmin,
                   parent->ScreenFrame().ymin + defaultFrame.ymin);
            screenFrame.SetSize( width, height );
        }
        else
        {
            MoveTo( defaultFrame.xmin, defaultFrame.ymin );
            SetSize( defaultFrame.Width(), defaultFrame.Height() );
        }
        
        csRef<iDocumentAttribute> useBorder = frameNode->GetAttribute("border");
        if ( useBorder )
        {
            csString borderString = useBorder->GetValue();
           
            if ( borderString != "no" )
            {
                if ( borderString == "yes" )
                    borderString.Replace("line");            
                
                border = new pawsBorder(borderString );
                border->SetParent(this);                 
            }                          
        }

        if ( border )
        {
            csRef<iDocumentAttribute> useJustTitle = frameNode->GetAttribute("justtitle");
            if ( useJustTitle )
            {
                csString useJustTitleString = useJustTitle->GetValue();

                if ( useJustTitleString != "no" )
                    border->JustTitle();
            }
        }

        atr = frameNode->GetAttribute( "margin" );
        if (atr)
            margin = atr->GetValueAsInt();
    }

    // Process title bar, if any
    csRef<iDocumentNode> titleNode = node->GetNode("title");
    if (titleNode)
    {
        csString title = titleNode->GetAttributeValue("text");
        csString image = titleNode->GetAttributeValue("resource");               
        csString align = titleNode->GetAttributeValue("align");        
        csString close = titleNode->GetAttributeValue( "close_button" );
        
        SetTitle( title, image, align, close ); 
    }

    csRef<iDocumentNode> borderNode = node->GetNode( "childborders" );    
    if (borderNode)
        LoadBorderColours(borderNode);

    csRef<iDocumentNode> bgColourNode = node->GetNode( "bgcolour" );    
    if ( bgColourNode )
    {
        int r = bgColourNode->GetAttributeValueAsInt("r");
        int g = bgColourNode->GetAttributeValueAsInt("g");     
        int b = bgColourNode->GetAttributeValueAsInt("b");

        bgColour = graphics2D->FindRGB( r, g, b );
    }
    else
    {
        bgColour = -1;
    }
    
    // Get the background image attribute
    csRef<iDocumentNode> bgImageNode = node->GetNode( "bgimage" );    
    if ( bgImageNode )
    {
        csString image = bgImageNode->GetAttributeValue("resource");               
        psImageDescription* imageDesc = PawsManager::GetSingleton().GetTextureManager()->GetImageDescription( image );        
        if(!imageDesc)
        {
            Warning2(LOG_PAWS, "GUI image '%s' not found.\n", image.GetData());
        }
        else
        {
            bgImage = new pawsImage( PawsManager::GetSingleton().GetObjectRegistry() );
            bgImage->Description( imageDesc );

            csRef<iDocumentAttribute> alphaattr = bgImageNode->GetAttribute("alpha");
            if ( alphaattr )    
                bgImage->SetAlpha( alphaattr->GetValueAsInt() );
            // Get the initial alpha value
            alpha = bgImage->GetAlpha();
            //alphaMax = alpha;
            csRef<iDocumentAttribute> fadeattr = bgImageNode->GetAttribute("fading");
            if (fadeattr)
                fade = fadeattr->GetValueAsBool();
        }
    }
    else
    {
        bgImage = NULL;
    }

    if ( configurable )
    {
        LoadSettings();
    }

    // Get the masking image attribute
    csRef<iDocumentNode> maskImageNode = node->GetNode( "mask" );    
    if ( maskImageNode )
    {
        csString imageStr = maskImageNode->GetAttributeValue("resource");
        if (imageStr != "")
            SetMaskingImage(imageStr);
    }

    // Get the data subscriptions
    csRef<iDocumentNode> subsNode = node->GetNode( "subscriptions" );   
    if ( subsNode )
    {
        overwrite_subscription = subsNode->GetAttributeValueAsBool("overwrite",true);
        subscription_format    = subsNode->GetAttributeValue("format");
        csRef<iDocumentNodeIterator> points = subsNode->GetNodes();
        while ( points->HasNext() )
        {
            csRef<iDocumentNode> point = points->Next();
            if (point->GetAttributeValue("data"))
            {
                PawsManager::GetSingleton().Subscribe(point->GetAttributeValue("data"),this);
            }
        }            
    }

    // Get the attachment points
    csRef<iDocumentNode> attachPointsNode = node->GetNode( "attachpoints" );   
    if ( attachPointsNode )
    {
        csRef<iDocumentNodeIterator> points = attachPointsNode->GetNodes();
        while ( points->HasNext() )
        {
            csRef<iDocumentNode> point = points->Next();
            attachFlags |= GetAttachFlag( point->GetAttributeValue("point") );                                              
        }            
    }

    // Get the min width and height
    csRef<iDocumentNode> minFrameNode = node->GetNode( "minframe" );
    if ( minFrameNode )
    {
        min_width = GetActualWidth(minFrameNode->GetAttributeValueAsInt("width"));
        min_height = GetActualHeight(minFrameNode->GetAttributeValueAsInt("height"));
    }

    // Get the max width and height
    csRef<iDocumentNode> maxFrameNode = node->GetNode( "maxframe" );
    if ( maxFrameNode )
    {
        max_width = GetActualWidth(maxFrameNode->GetAttributeValueAsInt("width"));
        max_height = GetActualHeight(maxFrameNode->GetAttributeValueAsInt("height"));
    }


    return true;
}

void pawsWidget::ReloadWidget()
{
    if (!GetFilename())
        parent->ReloadWidget();
    else
    {
        csString copyname = filename;
        delete this;
        PawsManager::GetSingleton().LoadWidget(copyname);
    }
}

bool pawsWidget::Load( iDocumentNode* node )
{
    if ( ! LoadAttributes(node) )
        return false;
 
    // Call the setup for this widget.     
    if ( !Setup( node ) ) 
    {
        Error2("Widget %s Setup Failed", GetName() );
        return false;
    }

    if ( ! LoadChildren(node) )
        return false;
        
    if ( !PostSetup() )
    {
        Error2("Failed the PostSetup for %s", GetName() );
        return false;
    }

    // Check to see if we have possible saved positions to use. 
    if ( saveWidgetPositions )
    {
        csRect pos = LoadPositions();
        // Resize to loaded positions.
        MoveTo( pos.xmin, pos.ymin );
       
        //only set size if widget is resizable
        if ( IsResizable() )
            SetSize( pos.Width(), pos.Height() );        
    }
    
    Resize();       
    Resize( 0, 0, RESIZE_RIGHT | RESIZE_BOTTOM | RESIZE_TOP | RESIZE_BOTTOM );
    StopResize();
    return true;                     
}

bool pawsWidget::LoadChildren( iDocumentNode* node )
{
    pawsWidget* widget;

    // Get an iterator over all the child widgets       
    csRef<iDocumentNodeIterator> childIter = node->GetNodes ("widget");

    while ( childIter->HasNext() )
    {
        csRef<iDocumentNode> childWidgetNode = childIter->Next();

        widget=NULL;

        // Check if the child should be loaded from 
        csString file = childWidgetNode->GetAttributeValue( "file" );
        if (!file.IsEmpty())
        {
            size_t i;
            csArray<pawsWidget *> childarray;
            PawsManager::GetSingleton().LoadChildWidgets(file,childarray);

            for (i=0;i<childarray.Length();i++)
                AddChild(childarray[i]);

            // If more than one child widget was loaded, then any sub configuration in this file is meaningless
            if (childarray.Length() > 1)
                return true;
            if (childarray.Length())
                widget=childarray[0];
        }
  
        // If a widget hasn't been loaded here - either due to a failure to load above or
        //  because no file was specified, parse this node as an embedded widget definition
        if (!widget)
        {
            csString factory = childWidgetNode->GetAttributeValue( "factory" );

            if ( factory.Length() == 0 )
            {
                Error1("Could not read factory from XML file. Error in XML");
                return false;
            }
                        
            widget = PawsManager::GetSingleton().CreateWidget( factory );
            CS_ASSERT( widget );

            AddChild( widget );            
        }

        // Let the widget parse the rest of the node information
        if ( widget->Load( childWidgetNode ) == false )
        {
            Error1("Failed to load child widget");
            return false;
        }
    }

    // Need to load form properties here, because we need to have the children loaded
    
    // Get form properties
    csRef<iDocumentNode> formNode = node->GetNode("form");
    if (formNode)
    {
        csRef<iDocumentNodeIterator> fNode = formNode->GetNodes();
        while(fNode->HasNext())
        {
            csRef<iDocumentNode> lNode = fNode->Next();

            if (!strcmp(lNode->GetValue(),"enter"))
            {
                onEnter = FindWidget(lNode->GetAttributeValue("name"));
            }

            if (!strcmp(lNode->GetValue(),"tab"))
            {
                pawsWidget* wdg = FindWidget(lNode->GetAttributeValue("name"));
                if (wdg)
                    taborder.Push(wdg);
            }
        }
    }

    return true;
}

void pawsWidget::ShowBehind()
{
    visible = true;
    if ( border ) border->Show();   
    
    pawsWidget * focused = PawsManager::GetSingleton().GetCurrentFocusedWidget();
    if ( focused )
        focused->Show();
}

void pawsWidget::Show()
{
    visible = true;
    if ( border ) border->Show();    
    BringToTop( this );
}
    
void pawsWidget::Hide()
{ 
    visible = false; 
    if ( border ) 
        border->Hide();

    PawsManager::GetSingleton().OnWidgetHidden(this);
  
}    

void pawsWidget::SetRelativeFrame( int x, int y, int width, int height )
{
    SetRelativeFramePos( x, y );
    SetRelativeFrameSize( width, height );
}

void MoveRect(csRect & rect, int x, int y)
{
    int width  = rect.Width();
    int height = rect.Height();
    
    rect.Set(x, y, x+width, y+height);
}

void pawsWidget::SetRelativeFramePos( int x, int y )
{
    MoveRect(defaultFrame, x, y);
    if (parent != NULL)
        MoveRect(screenFrame, parent->ScreenFrame().xmin + x, parent->ScreenFrame().ymin + y);
    else
        MoveRect(screenFrame, y, y);
    
    for ( size_t x = 0; x < children.Length(); x++ )        
        children[x]->RecalcScreenPositions();         
}

void pawsWidget::SetRelativeFrameSize( int width, int height )
{
    defaultFrame .SetSize( width, height );
    screenFrame  .SetSize( width, height );

    OnResize();
    
    for ( size_t x = 0; x < children.Length(); x++ )        
        children[x]->RecalcScreenPositions();         
}

void pawsWidget::RecalcScreenPositions()
{
    if ( parent )
    {
        screenFrame.xmin  = parent->ScreenFrame().xmin + defaultFrame.xmin;
        screenFrame.ymin  = parent->ScreenFrame().ymin + defaultFrame.ymin;
        screenFrame.SetSize( defaultFrame.Width(), defaultFrame.Height() );

        for ( size_t x = 0; x < children.Length(); x++ )        
            children[x]->RecalcScreenPositions();         
    }
}
    
void pawsWidget::UseBorder( const char* style )
{
    border = new pawsBorder( style );
    border->SetParent( this );    
}

void pawsWidget::SetBackground( const char* image )
{
    psImageDescription* imageDesc = PawsManager::GetSingleton().GetTextureManager()->GetImageDescription( image );

    if ( imageDesc == NULL )
    {
        csString parentName("None");
        if ( parent )
            parentName = parent->GetName();
        
        Warning4( LOG_PAWS, "Widget: %s (Parent: %s) Could Not load image: %s", name.GetData(), parentName.GetData(), image );
        return;
    }

   if ( bgImage )
        delete bgImage;

    bgImage = new pawsImage( PawsManager::GetSingleton().GetObjectRegistry() );

    bgImage->Description( imageDesc );
    // Get the initial alpha value
    alpha = bgImage->GetAlpha();
}

csString pawsWidget::GetBackground()
{
    if (bgImage && bgImage->GetDescription() )
    {
        return bgImage->GetDescription()->resourceName;
    }

    return csString("");
}


void pawsWidget::SetBackgroundAlpha( int value )
{
    if ( bgImage )
    {
        bgImage->SetAlpha( value );
        // Get the initial alpha value
        alpha = value;
        alphaMin = value;
    }
}


pawsWidget* pawsWidget::FindWidget( const char* name, bool complain )
{
    if (!name)
         return NULL;
    
    csString temp(name);
    if ( this->name == temp )
        return this;

    for ( size_t z = 0; z < children.Length(); z++ )
    {
         pawsWidget* widget = children[z]->FindWidget( name, false );
         if ( widget != NULL )
             return widget;
    }
    /*This check needs to be done here, because it might happen that even if this->name == "None", 
    it has children and so it can return a widget! */
    if (this->name == "None") 
        return NULL;
    if (complain)
        Error3( "Could not locate widget %s in %s", name, this->name.GetData() );
    return NULL;
}


pawsWidget* pawsWidget::FindWidget( int ID, bool complain )
{
    if ( this->id == ID )
        return this;

    for ( size_t z = 0; z < children.Length(); z++ )
    {
         pawsWidget* widget = children[z]->FindWidget( ID, false );
         if ( widget != NULL )
             return widget;
    }

    if (complain)
        Error3( "Could not locate widget ID=%i in %s", ID, name.GetData() );
    return NULL;
}

pawsWidget* pawsWidget::FindWidgetXMLBinding( const char* xmlbinding )
{
    csString temp(xmlbinding);
    if ( (this->xmlbinding == temp) || 
         (this->xmlbinding == "" && name == temp ))
        return this;

    for ( size_t z = 0; z < children.Length(); z++ )
    {
         pawsWidget* widget = children[z]->FindWidgetXMLBinding( xmlbinding );
         if ( widget != NULL )
             return widget;
    }
    return NULL;
}

void pawsWidget::DrawBackground()
{
    if ( bgColour != -1 )
    {        
        graphics2D->DrawBox( screenFrame.xmin,
                             screenFrame.ymin,
                             screenFrame.Width(), 
                             screenFrame.Height(),
                             bgColour );
    }

    if ( bgImage )
    {
        bool focus = hasFocus;
        // If my children are focused, I should fade like I am focused
        if (!focus)
        {
            for ( size_t x = children.Length(); x-- > 0; )
                focus = children[x]->HasFocus();
        }

         // if the fading feature for this widget is enabled
        if (alpha && fade) 
        {
            // if the widget hasn't got the focus
            if (!focus)    
            {
                // and the mouse is inside the widget
                if (hasMouseFocus)
                    // slowly become opaque
                    fadeVal-=fadeSpeed;
                else
                    // else slowly fade out
                    fadeVal+=fadeSpeed;
            } else
                // when it has got the focus become/stay opaque
                fadeVal=0;

            if (fadeVal<0) fadeVal=0;
            if (fadeVal>100) fadeVal=100;

            bgImage->SetAlpha((int)(alphaMin + (alpha-alphaMin) * fadeVal * 0.010));

            if (maskImage)
                maskImage->SetAlpha((int)(alphaMin + (alpha-alphaMin) * fadeVal * 0.010));
        }

        bgImage->Draw( screenFrame );  
    }
        
    if (fade && parent && parent->GetMaxAlpha() >= 0 && bgImage != NULL && maskImage != NULL)
    {
        fadeVal = parent->GetFadeVal();
        alpha = parent->GetMaxAlpha();
        alphaMin = parent->GetMinAlpha();
        int drawAlpha = (int) (alphaMin + (alpha-alphaMin) * fadeVal * 0.010);
        if ( bgImage )bgImage->SetAlpha(drawAlpha);
        if ( maskImage )maskImage->SetAlpha(drawAlpha);
    }

    if ( border )
        border->Draw();
        
    if ( IsResizable() && showResize )
    {
        pawsImage* resize = PawsManager::GetSingleton().GetResizeImage();
        resize->Draw( ScreenFrame().xmax-8, ScreenFrame().ymax-8,8,8 );
    }
}

void pawsWidget::Draw()
{
    // Setup our clipping rect so we know where we can draw
    ClipToParent();

    // If we can't draw anywhere, then don't try.  Our children can't be drawn either.
    if (clipRect.IsEmpty())
        return;

    DrawBackground();   
    DrawChildren();

    // Draw the masking image
    if (maskImage)
    {
        graphics2D->SetClipRect( 0,0, graphics2D->GetWidth(), graphics2D->GetHeight());         
        maskImage->Draw(
            screenFrame.xmin,
            screenFrame.ymin,
            defaultFrame.Width(),
            defaultFrame.Height()
            );  
    }
}


void pawsWidget::DrawWidgetText(const char *text, int x, int y, int style)
{
    csRef<iFont> font = GetFont();
    if (style==-1)
        style = GetFontStyle();

    if (parent && !parent->GetBackground().IsEmpty() && parent->isFadeEnabled() && parent->GetMaxAlpha() != parent->GetMinAlpha())
    {
        int a = (int) (255 - (parent->GetMinAlpha() + (parent->GetMaxAlpha()-parent->GetMinAlpha()) * parent->GetFadeVal() * 0.010));
        int r, g, b;

        if (style & FONT_DROPSHADOW)
        {
            graphics2D->GetRGB(GetFontShadowColour(), r, g, b);
            graphics2D->Write( font, x+2, y+2, graphics2D->FindRGB(r, g, b, a), -1, text );
        }
        graphics2D->GetRGB(GetFontColour(), r, g, b);
        graphics2D->Write( font, x, y, graphics2D->FindRGB(r, g, b, a), -1, text);
    }
    else
    {
        if (style & FONT_DROPSHADOW)
        graphics2D->Write( font, x+2, y+2, GetFontShadowColour(), -1, text );

    graphics2D->Write( font, x, y, GetFontColour(), -1, text);    
    }
}

void pawsWidget::SetFade(bool value)
{
    fade = value;
    if ( !value && bgImage )
        bgImage->SetAlpha(alphaMin);
}

void pawsWidget::FormatToolTip( const char *fmt, ... )
{
    char text[128];
    va_list args;
    va_start(args, fmt);
    cs_vsnprintf(text,sizeof(text),fmt,args);
    va_end(args);    
    SetToolTip( (const char*)text );
}    

void pawsWidget::DrawToolTip(int x, int y)
{    
    if (toolTip.Length() == 0)
        return;

    if(!IsVisible())
        return;

    int width=0;
    int height=0;

    int realX = x, realY = y;

    //iFont* font = GetFont();
    csString fontName = "/planeshift/data/ttf/cupandtalon.ttf";

    csRef<iFont> font = graphics2D->GetFontServer()->LoadFont(fontName,16);
    iFont* fontPtr = font;

    if (!fontPtr)
    {
        Error2("Couldn't load font '%s', reverting to default",fontName.GetData());
        fontPtr = GetFont();
    }
    
    fontPtr->GetDimensions( toolTip , width, height );

    // Draw above the cursor for the time being
    realY = realY - height - 2;

    realX += 2;
    realY += 1;

    if (realY < 0)
    {
        realY = 5; 
        realX += PawsManager::GetSingleton().GetMouse()->GetImageSize().width + 2;
    }

    if (realX + width > graphics2D->GetWidth())
        realX = graphics2D->GetWidth() - width - 5;

    // Note: negative value on realX is impossible

    //Shadow
    graphics2D->Write( fontPtr, 
        realX+1,
        realY+1,
        graphics2D->FindRGB(0, 0, 0),
        -1,
        toolTip);

    //Text
    graphics2D->Write( fontPtr, 
        realX,
        realY,
        graphics2D->FindRGB(255, 255, 255),
        -1,
        toolTip);
}


void pawsWidget::DrawChildren()
{    
    for ( size_t x = children.Length(); x-- > 0; )
    {
        if ( children[x]->IsVisible() )
        {
            children[x]->Draw();
        }
    }
}

int pawsWidget::CalcChildPosition(pawsWidget * child)
{
    int pos;
    
    pos = 0;    
    if ( ! child->IsAlwaysOnTop() )
    {
        for (size_t x = 0; x < children.Length(); x++ )
            if ( children[x]->IsAlwaysOnTop() )
                pos++;
    }
    return pos;
}
    
void pawsWidget::BringToTop( pawsWidget* widget )
{
    for (size_t x = 0; x < children.Length(); x++ )
    {
        if ( children[x] == widget )
        {
            children.DeleteIndex(x);
            children.Insert(CalcChildPosition(widget), widget);
            break;
        }
    }

    if ( parent )
        parent->BringToTop( this );
}

void pawsWidget::SetTitle(const char *title)
{
    if (border!=NULL)
    {
        border->SetTitle(title);
        border->Draw();
    }
}


void pawsWidget::SaveSettings()
{
    csRef<iConfigManager> cfgMgr;
    cfgMgr = CS_QUERY_REGISTRY( PawsManager::GetSingleton().GetObjectRegistry(), iConfigManager );

    csRef<iConfigFile> config = cfgMgr->LookupDomain(PawsManager::GetSingleton().GetConfigFile());        

    char buffer[512];

    sprintf(buffer, "PlaneShift.GUI.%s.MinTransparency", GetName() );
    config->SetInt(buffer, alphaMin );

    sprintf(buffer, "PlaneShift.GUI.%s.MaxTransparency", GetName() );
    config->SetInt(buffer, alpha );

    sprintf(buffer, "PlaneShift.GUI.%s.FadeSpeed", GetName() );
    config->SetFloat( buffer, fadeSpeed );

    sprintf(buffer, "PlaneShift.GUI.%s.Fade", GetName() );
    config->SetBool( buffer, fade );

    config->Save();
}

void pawsWidget::LoadSettings()
{
    csRef<iConfigManager> cfgMgr;
    cfgMgr = CS_QUERY_REGISTRY( PawsManager::GetSingleton().GetObjectRegistry(), iConfigManager );
  
    char buffer[512];

    csRef<iConfigFile> config = cfgMgr->LookupDomain(PawsManager::GetSingleton().GetConfigFile());

    sprintf(buffer, "PlaneShift.GUI.%s.MaxTransparency", GetName() );
    SetBackgroundAlpha(config->GetInt (buffer, alpha ));

    sprintf(buffer, "PlaneShift.GUI.%s.MinTransparency", GetName() );
    alphaMin = config->GetInt (buffer, alphaMin );

    sprintf(buffer, "PlaneShift.GUI.%s.Fade", GetName() );
    fade = config->GetBool (buffer, fade );
    if(!fade && bgImage)
        bgImage->SetAlpha(alphaMin);

    sprintf(buffer, "PlaneShift.GUI.%s.FadeSpeed", GetName() );
    fadeSpeed = config->GetFloat (buffer, fadeSpeed );
}

void pawsWidget::SaveFontSettings()
{
    csRef<iConfigManager> cfgMgr;
    cfgMgr = CS_QUERY_REGISTRY( PawsManager::GetSingleton().GetObjectRegistry(), iConfigManager );

    csRef<iConfigFile> config = cfgMgr->LookupDomain(PawsManager::GetSingleton().GetConfigFile());

    char buffer[512];

    sprintf(buffer, "PlaneShift.GUI.%s.FontScaling", GetName() );
    config->SetInt(buffer, fontScaling);
    
    config->Save();
}

void pawsWidget::LoadFontSettings()
{
    csRef<iConfigManager> cfgMgr;
    cfgMgr = CS_QUERY_REGISTRY( PawsManager::GetSingleton().GetObjectRegistry(), iConfigManager );
  
    csRef<iConfigFile> config = cfgMgr->LookupDomain(PawsManager::GetSingleton().GetConfigFile());

    char buffer[512];

    sprintf(buffer, "PlaneShift.GUI.%s.FontScaling", GetName() );
    fontScaling = config->GetInt (buffer, fontScaling);
}

void pawsWidget::CreateWidgetConfigWindow()
{
    psString title = name + "settings";
    pawsWidget * widget = PawsManager::GetSingleton().GetMainWidget()->FindWidget(title);
    
    // there can only be one config window active for each widget
    WidgetConfigWindow* configWindow = dynamic_cast<WidgetConfigWindow*>(widget);
    if ( widget ==NULL)
    {
        configWindow = new WidgetConfigWindow();
        configWindow->LoadFromFile("data/gui/widgetconfigwindow.xml");
        configWindow->SetConfigurableWidget(this);
        configWindow->SetName(title);
        configWindow->Show();
        PawsManager::GetSingleton().GetMainWidget()->AddChild(configWindow);    
    }
    else
    {
        configWindow->SetConfigurableWidget(this);
        configWindow->Show();
    }
}

void pawsWidget::DestroyWidgetConfigWindow()
{
    psString title = name + "settings";
    pawsWidget * widget = PawsManager::GetSingleton().GetMainWidget()->FindWidget(title);
    
    // there can only be one config window active for each widget
    WidgetConfigWindow* configWindow = dynamic_cast<WidgetConfigWindow*>(widget);
    if(configWindow)
    {
        configWindow->Hide();
        PawsManager::GetSingleton().GetMainWidget()->DeleteChild(configWindow);
    }
}

bool pawsWidget::CreateContextMenu()
{
    psPoint mousePos;
    
    mousePos = PawsManager::GetSingleton().GetMouse()->GetPosition();
    
    contextMenu = new pawsMenu();
    if ( ! contextMenu->LoadFromFile(contextMenuFile) )
    {
        delete contextMenu;
        contextMenu = NULL;
        return false;
    }
    contextMenu->SetNotify(this);
    PawsManager::GetSingleton().GetMainWidget()->AddChild(contextMenu);
    contextMenu->CenterTo(mousePos.x, mousePos.y);
    contextMenu->MakeFullyVisible();
    contextMenu->Show();
    contextMenu->SetAlwaysOnTop(true);

    // add an 'settings' option to the menu if 'configurable'
    // is set to 'yes'
    if (configurable)
    {
        // add menu item "ConfigWindow"
        pawsMenuItem *item = new pawsMenuItem();
        item->MakeFullyVisible();
        item->Show();
        item->SetAlwaysOnTop(true);
        item->SetColour(0xffffff);
        item->SetLabel("Settings");
        item->SetSizes(-1, 1, 1);
        item->SetName("Settings");

        // assign "configure"-action to this menu item
        pawsMenuAction action;
        action.name="configure";
        item->SetAction(action);
    //    item->SetConfigurableWidget(this);

        // add item to menu
        contextMenu->AddItem(item);
    }

    return true;
}

int pawsWidget::ResizeFlags( int x, int y )
{
    csRect frame = ScreenFrame();
    csRect hotButton( 0,0,0,0 );
    int flag = 0;
    
    hotButton= csRect( frame.xmax-8, 
                       frame.ymax-8, 
                       frame.xmax,
                       frame.ymax );
        
    if ( hotButton.Contains(x,y) )
    {
        flag |= RESIZE_BOTTOM;    
        flag |= RESIZE_RIGHT;
    }
    return flag; 
}

bool pawsWidget::OnMouseEnter()
{
    if ( parent )
        return parent->OnChildMouseEnter( this );
    else return true;        
}

bool pawsWidget::OnChildMouseEnter( pawsWidget* widget )
{
    return true;        
}

bool pawsWidget::OnMouseExit()
{
    if ( parent )
        return parent->OnChildMouseExit( this );
    else return true;        
}

bool pawsWidget::OnChildMouseExit( pawsWidget* child )
{
    return true;        
}


bool pawsWidget::OnMouseDown( int button, int modifiers, int x, int y )
{
#ifdef PAWS_CONSTRUCTION
    if ( modifiers == 1 )
    {
        SetMovable(true);
        isResizable = true;
        showResize = true;
    }
    if ( modifiers == 2 )
    {
        printf("-----------WIDGET %s DUMP---------\n", name.GetData() );
        printf("Position: (%d,%d)\n", ScreenFrame().xmin-parent->ScreenFrame().xmin, ScreenFrame().ymin-parent->ScreenFrame().ymin);
        printf("Size    : (%d,%d)\n", ScreenFrame().Width(), ScreenFrame().Height());
    }
    if ( modifiers == 3 )
    {
        ReloadWidget();
        return true;
    }
#endif

    if ( !PawsManager::GetSingleton().GetDragDropWidget() )
    {
        if (button == csmbLeft)
        {
            if ( isResizable && showResize )
            {
                // Check to see if the mouse was in the resizing flags
                int flags = ResizeFlags(x,y) ;
            
                if ( flags )
                {
                    PawsManager::GetSingleton().ResizingWidget( this, flags );
                    return true;
                }
            }


            if ( movable )
            {
                PawsManager::GetSingleton().MovingWidget( this );
                return true;
            }
        }
        else if (button == csmbRight)
        {
            if ((contextMenu == NULL) && (contextMenuFile != ""))
            {
                CreateContextMenu();
            }                
            else if ((contextMenuFile=="") && (configurable))
            {
                CreateWidgetConfigWindow();
            }
        }
    }
    
    if ( parent )
        return parent->OnMouseDown( button, modifiers, x, y );

    return false;
}

bool pawsWidget::OnMenuAction ( pawsWidget * widget, const pawsMenuAction & action )
{
    if (action.name == MENU_DESTROY_ACTION_NAME)
    {       
        PawsManager::GetSingleton().GetMainWidget()->DeleteChild(widget);
        if (widget == contextMenu)
            contextMenu = NULL;
        return true;
    }

    if (action.name=="configure")
        CreateWidgetConfigWindow();

    return false;
}

csRect pawsWidget::ScreenFrame()
{ 
    return screenFrame; 
}


bool pawsWidget::OnMouseUp( int button, int modifiers, int x, int y )
{
    if ( parent )
        return parent->OnMouseUp( button, modifiers, x, y );
    else
        return false;
}

bool pawsWidget::OnDoubleClick( int button, int modifiers, int x, int y )
{
    if ( parent )
    {
        return parent->OnDoubleClick( button, modifiers, x, y );
    }
    else
    {
        return false;
    }
}

bool pawsWidget::OnKeyDown( int keyCode, int key, int modifiers )
{
    if (keyCode == CSKEY_ENTER)
    {
        if (!onEnter && parent)
            return parent->OnKeyDown(keyCode,key,modifiers);

        onEnter->OnMouseDown(1,0,0,0)  ;
        return true;
    }

    bool tab = false;
    bool forward = true;

    if (keyCode==CSKEY_TAB && modifiers == 1)
    {
        tab = true;
        forward = false;
    }
    else if (keyCode==CSKEY_TAB)
    {
        tab = true;
        forward = true;
    }

    if (tab && taborder.Length() > 0)
    {
        int z;

        for (z = 0; z < (int)taborder.Length(); z++ )
        {
            if (taborder[z]->HasFocus())
            {
                break;
            }
        }

        while(true)
        {
            // take proper action
            if (forward)
                if (z + 1 < (int)taborder.Length())
                    z++;
                else
                    z = 0;
            else
                if (z - 1 >= 0)
                    z--;                
                else
                    z = (int)taborder.Length() - 1;

            // if this is a vaild widget to focus on, break the loop
            if (taborder[z]->OnGainFocus(false))
                break;
        }

        // Set current focued widget
        PawsManager::GetSingleton().SetCurrentFocusedWidget(taborder[z]);
    }
    
    if (keyCode < 255 && keyCode > 31)
    {
        for (size_t i=0; i<children.Length(); i++)
        {
            bool testKey = children[i]->CheckKeyHandled(toupper(keyCode));
            if (testKey)
                return true;
        }
    }
    if ( parent ) 
        return parent->OnKeyDown( keyCode, key, modifiers );

    return false;
}

void pawsWidget::MoveDelta( int deltaX, int deltaY )
{
    //snap to edge of screen
    if (movable) //avoid moving internal elements
    {
        const int SNAP_RANGE = 3;
        int screenWidth = graphics2D->GetWidth();
        int screenHeight = graphics2D->GetHeight();

        int titleHeight;
        if (border && border->GetTitle()) titleHeight = 20;
        else titleHeight = 0;

        if (abs(screenFrame.xmin + deltaX) < SNAP_RANGE) 
            deltaX = 0 - screenFrame.xmin;
        else if (abs(screenFrame.xmax + deltaX - screenWidth) < SNAP_RANGE)
            deltaX = screenWidth - screenFrame.xmax;
        if (abs(screenFrame.ymin + deltaY - titleHeight) < SNAP_RANGE) 
            deltaY = 0 + titleHeight - screenFrame.ymin;
         else if (abs(screenFrame.ymax + deltaY - screenHeight) < SNAP_RANGE)
            deltaY = screenHeight - screenFrame.ymax;
    }

    screenFrame.xmin += deltaX;
    screenFrame.ymin += deltaY;
    screenFrame.xmax += deltaX;
    screenFrame.ymax += deltaY;

    for ( size_t x = children.Length(); x-- > 0; )
    {
        children[x]->MoveDelta( deltaX, deltaY );
    }
}         


void pawsWidget::MoveTo( int x, int y )
{
    int deltaX = x - screenFrame.xmin;
    int deltaY = y - screenFrame.ymin;

    int width = screenFrame.Width();
    int height = screenFrame.Height();

    screenFrame.xmin = x;
    screenFrame.ymin = y;
    screenFrame.SetSize( width, height );

    for ( size_t z = children.Length(); z-- > 0; )
    {
        children[z]->MoveDelta(deltaX, deltaY );
    }
    
    for ( size_t z = 0; z < children.Length(); z++ )
    {    
        children[z]->RecalcScreenPositions();
    } 
}

void pawsWidget::CenterTo( int x, int y )
{
    MoveTo(x - screenFrame.Width()/2, y - screenFrame.Height()/2);
}

void pawsWidget::CenterToMouse()
{
    psPoint mouse;
    mouse = PawsManager::GetSingleton().GetMouse()->GetPosition();
    CenterTo(mouse.x, mouse.y);
    MakeFullyVisible();
}

csRect pawsWidget::LoadPositions()
{
    csRef<iConfigManager> cfgMgr;
    cfgMgr = CS_QUERY_REGISTRY( PawsManager::GetSingleton().GetObjectRegistry(), iConfigManager );
  
    char buffer[512];

    csRef<iConfigFile> config = cfgMgr->LookupDomain(PawsManager::GetSingleton().GetConfigFile());
 
    sprintf(buffer, "PlaneShift.GUI.%s.Visible", GetName() );
    SetVisibility(config->GetBool (buffer, visible ));
                          
    sprintf(buffer, "PlaneShift.GUI.%s.PosX", GetName() );
    int winPosX = config->GetInt (buffer, defaultFrame.xmin );

    sprintf(buffer, "PlaneShift.GUI.%s.PosY", GetName() );
    int winPosY = config->GetInt (buffer, defaultFrame.ymin );

    winPosX = GetActualWidth( winPosX );
    winPosY = GetActualHeight( winPosY );

    int screenWidth  = graphics2D->GetWidth();
    int screenHeight = graphics2D->GetHeight();

    int winWidth = 0;
    int winHeight = 0;

    //don't do this if widget is not resizable
    if ( IsResizable() )
    {
        sprintf(buffer, "PlaneShift.GUI.%s.Width", GetName() );
        winWidth = config->GetInt (buffer, defaultFrame.Width() );

        sprintf(buffer, "PlaneShift.GUI.%s.Height", GetName() );
        winHeight = config->GetInt (buffer, defaultFrame.Height() );
        if (resizeToScreen)
        {
            float ratio = ((float) winHeight) / ((float) winWidth);
            if (winWidth > 800)
            {
                winWidth = 800;
                if (ratio > 1.0f)
                    ratio = 1.0f;
                winHeight = int (800.0f * ratio);
            }
            else
                if (winHeight > 600)
                {
                    winHeight = 600;
                    if (ratio > 1.0f)
                        ratio = 1.0f;
                    winWidth = int (600.0f / ratio);
                }
            winWidth = GetActualWidth( winWidth );
            winHeight = GetActualHeight( winHeight );
        }
    
        if ( winWidth < min_width ) winWidth = min_width;
        if ( winHeight < min_height ) winHeight = min_height;
    }

    if ( winPosX < 0 ) winPosX = 0;
    if ( winPosY < 0 ) winPosY = 0;

    if ( winPosX + winWidth  > screenWidth  ) winPosX = screenWidth  - winWidth;
    if ( winPosY + winHeight > screenHeight ) winPosY = screenHeight - winHeight;

    csRect newPosition = csRect(winPosX,winPosY, winPosX+winWidth, winPosY+winHeight);
    return newPosition;
}

void pawsWidget::PerformAction( const char* action )
{
    csString temp(action);
    if ( temp == "togglevisibility" )
    {
        if ( IsVisible() ) 
        {
            Hide(); 
        }
        else 
        {
            Show(); 
        }
        return;
    }
}

void pawsWidget::SavePosition()
{
    csRef<iConfigManager> cfgMgr;
    cfgMgr = CS_QUERY_REGISTRY( PawsManager::GetSingleton().GetObjectRegistry(), iConfigManager );

    csRef<iConfigFile> config = cfgMgr->LookupDomain(PawsManager::GetSingleton().GetConfigFile());        

    char buffer[512];

    int desktopWidth  = graphics2D->GetWidth(); 
    int desktopHeight = graphics2D->GetHeight();

    float ratioX = (float) 800.0f / (float)desktopWidth;
    float ratioY = (float) 600.0f / (float)desktopHeight;

    if (!resizeToScreen)
        ratioX = ratioY = 1;

    sprintf(buffer, "PlaneShift.GUI.%s.Visible", GetName() );
    config->SetBool( buffer, visible );

    sprintf(buffer, "PlaneShift.GUI.%s.PosX", GetName() );
    config->SetInt( buffer, RX(screenFrame.xmin) );

    sprintf(buffer, "PlaneShift.GUI.%s.PosY", GetName() );
    config->SetInt( buffer, RY(screenFrame.ymin) );

    if ( IsResizable() )
    {
        sprintf(buffer, "PlaneShift.GUI.%s.Width", GetName() );
        config->SetInt( buffer, RX(screenFrame.Width()) );

        sprintf(buffer, "PlaneShift.GUI.%s.Height", GetName() );
        config->SetInt( buffer, RY(screenFrame.Height()) );
    }

    config->Save();
}

void pawsWidget::SetForceSize( int newWidth, int newHeight )
{   
    screenFrame.SetSize( newWidth, newHeight );
    OnResize();
}

void pawsWidget::SetSize( int newWidth, int newHeight )
{   
    SetForceSize(newWidth,newHeight);
    
    for ( size_t x = children.Length(); x-- > 0; )
    {
        children[x]->Resize();
    }    
}

void pawsWidget::StopResize()
{
    for ( size_t x = 0; x < children.Length(); x++ )
    {
        children[x]->StopResize();
    }
}

void pawsWidget::Resize( int deltaX, int deltaY, int flags )
{
    csRect newFrame = screenFrame;
    if ( flags & RESIZE_LEFT)
    {
        newFrame.xmin += deltaX;
    }
    if ( flags & RESIZE_RIGHT )
    {
        newFrame.xmax += deltaX;
    }
    if ( flags & RESIZE_TOP )
    {
        newFrame.ymin += deltaY;
    }
    if ( flags & RESIZE_BOTTOM )
    {
        newFrame.ymax += deltaY;
    }


    /// prevent the widget from going below its min height and width
    if (newFrame.xmax - newFrame.xmin < min_width) newFrame.xmax = newFrame.xmin + min_width;
    if (newFrame.ymax - newFrame.ymin < min_height) newFrame.ymax = newFrame.ymin + min_height;

    /// prevent the widget from going beyond its max size
    if (newFrame.xmax - newFrame.xmin > max_width) newFrame.xmax = max_width + newFrame.xmin;
    if (newFrame.ymax - newFrame.ymin > max_height) newFrame.ymax = max_height + newFrame.ymin;

    screenFrame = newFrame;
    
    OnResize();

    for ( size_t x = children.Length(); x-- > 0; )
    {
        children[x]->Resize();
    }    
}  


void pawsWidget::Resize()
{
    if ( attachFlags & ATTACH_LEFT )
    {
        int width = screenFrame.Width();

        screenFrame.xmin = parent->ScreenFrame().xmin + defaultFrame.xmin;    
        screenFrame.SetSize( width, screenFrame.Height() );

        // Left-Right Attachment
        if ( attachFlags & ATTACH_RIGHT )
        {
            int newX = parent->DefaultFrame().Width() - (defaultFrame.xmin + defaultFrame.Width());        
            screenFrame.xmax = parent->ScreenFrame().xmax - newX;            
        }   

        // Left-Right Proportional Attachment
        if ( attachFlags & PROPORTIONAL_RIGHT )
        {
            int z = (parent->ScreenFrame().Width() * ( parent->DefaultFrame().Width() - defaultFrame.xmax ) ) /
                        parent->DefaultFrame().Width();

            int newMax = parent->ScreenFrame().xmax - z;
            screenFrame.xmax = newMax;
        }
    }                 

    if ( attachFlags & ATTACH_RIGHT )
    {
        //Attach Right Only
        if ( !(attachFlags & ATTACH_LEFT) )
        {            
            int width = screenFrame.Width();
            screenFrame.xmin = parent->ScreenFrame().xmax - ( parent->DefaultFrame().Width() - defaultFrame.xmax + width );
            screenFrame.SetSize( width, screenFrame.Height() );                    
        }   

        //Attach Right-Left Proportional               
        if ( attachFlags & PROPORTIONAL_LEFT )
        {            
            int z = (parent->ScreenFrame().Width() *  defaultFrame.xmin ) /
                        parent->DefaultFrame().Width();

            int newMin = parent->ScreenFrame().xmin + z;
            screenFrame.xmin = newMin;            
        }
    }

    if ( attachFlags & PROPORTIONAL_LEFT )
    {
        //Attach Proportional Left Only
        if ( ! (attachFlags & ATTACH_RIGHT) && !(attachFlags & PROPORTIONAL_RIGHT) )
        {
            int z = (parent->ScreenFrame().Width() * defaultFrame.xmin ) /
                        parent->DefaultFrame().Width();

            int newMin = parent->ScreenFrame().xmin + z;
            int width = screenFrame.Width();
            screenFrame.xmin = newMin;      
            screenFrame.SetSize( width, screenFrame.Height() );      
        }                                        
    }

    if ( attachFlags & PROPORTIONAL_RIGHT )
    {       
        //Attach Proportional RIGHT Only
        if ( ! (attachFlags & ATTACH_LEFT) && !(attachFlags & PROPORTIONAL_LEFT) )
        {

            int z = (parent->ScreenFrame().Width() * ( parent->DefaultFrame().Width() - defaultFrame.xmax ) ) /
                        parent->DefaultFrame().Width();

            int newMin = parent->ScreenFrame().xmax - z - defaultFrame.Width();
            int width = screenFrame.Width();
            screenFrame.xmin = newMin;      
            screenFrame.SetSize( width, screenFrame.Height() );      
        }                                        

        //Attach PropLeft-PropRight
        if ( attachFlags & PROPORTIONAL_LEFT )
        {
            int z = (parent->ScreenFrame().Width() * ( parent->DefaultFrame().Width() - defaultFrame.xmax ) ) /
                        parent->DefaultFrame().Width();

            int newMax = parent->ScreenFrame().xmax - z;
            screenFrame.xmax = newMax;

            z = (parent->ScreenFrame().Width() *  defaultFrame.xmin ) /
                        parent->DefaultFrame().Width();

            int newMin = parent->ScreenFrame().xmin + z;
            screenFrame.xmin = newMin;            
        }
    }






    if ( attachFlags & ATTACH_TOP )
    {
        int height = defaultFrame.Height();
                  
        screenFrame.ymin = parent->ScreenFrame().ymin + defaultFrame.ymin; 
        screenFrame.SetSize( screenFrame.Width(), height );

        //Attach TOP-BOTTOM
        if ( attachFlags & ATTACH_BOTTOM )
        {            
            int newY = parent->DefaultFrame().Height() - (defaultFrame.ymin + defaultFrame.Height());        
            screenFrame.ymax = parent->ScreenFrame().ymax - newY;
        }   

        //Attach TOP-BOTTOM Proportional
        if ( attachFlags & PROPORTIONAL_BOTTOM )
        {
            int z = (parent->ScreenFrame().Height() * ( parent->DefaultFrame().Height() - defaultFrame.ymax ) ) /
                        parent->DefaultFrame().Height();

            int newMax = parent->ScreenFrame().ymax - z;
            screenFrame.ymax = newMax;
        }
    }                 

    if ( attachFlags & ATTACH_BOTTOM )
    {
        // Attach BOTTOM Only
        if ( !(attachFlags & ATTACH_TOP) )
        {
         
            int height = screenFrame.Height();
            screenFrame.ymin = parent->ScreenFrame().ymax - ( parent->DefaultFrame().Height() - defaultFrame.ymax + height );
            screenFrame.SetSize( screenFrame.Width(), height );
        } 
          
        //Attach BOTTOM-TOP Proportional
        if ( attachFlags & PROPORTIONAL_TOP )
        {            
            int z = (parent->ScreenFrame().Height() *  defaultFrame.ymin ) /
                        parent->DefaultFrame().Height();

            int newMin = parent->ScreenFrame().ymin + z;
            screenFrame.ymin = newMin;            
        }
    }

    // Attach Proportional TOP Only
    if ( attachFlags & PROPORTIONAL_TOP )
    {
        if ( ! (attachFlags & ATTACH_BOTTOM) && !(attachFlags & PROPORTIONAL_BOTTOM) )
        {
            int z = (parent->ScreenFrame().Height() * defaultFrame.ymin ) /
                        parent->DefaultFrame().Height();

            int newMin = parent->ScreenFrame().ymin + z;
            int height = screenFrame.Height();
            screenFrame.ymin = newMin;      
            screenFrame.SetSize( screenFrame.Width(), height );      
        }                                        
    }


    if ( attachFlags & PROPORTIONAL_BOTTOM )
    {
        // Attach Proportional BOTTOM Only
        if ( ! (attachFlags & ATTACH_TOP) && !(attachFlags & PROPORTIONAL_TOP) )
        {
         

            int z = (parent->ScreenFrame().Height() * ( parent->DefaultFrame().Height() - defaultFrame.ymax ) ) /
                        parent->DefaultFrame().Height();

            int newMin = parent->ScreenFrame().ymax - z - defaultFrame.Height();
            int height = screenFrame.Height();
            screenFrame.ymin = newMin;      
            screenFrame.SetSize( screenFrame.Width(), height );      
        }                                        

         // Attach PropTOP-PropBOTTOM
        if ( attachFlags & PROPORTIONAL_TOP )
        {            
            int z = (parent->ScreenFrame().Height() * ( parent->DefaultFrame().Height() - defaultFrame.ymax ) ) /
                        parent->DefaultFrame().Height();

            int newMax = parent->ScreenFrame().ymax - z;
            screenFrame.ymax = newMax;

            z = (parent->ScreenFrame().Height() *  defaultFrame.ymin ) /
                        parent->DefaultFrame().Height();

            int newMin = parent->ScreenFrame().ymin + z;
            screenFrame.ymin = newMin;            
        }
    }
    OnResize();    
    for ( size_t x = children.Length(); x-- > 0; )
    {    
        children[x]->Resize();
    }    
}       

void pawsWidget::OnResize()
{
    SetCloseButtonPos();
}

void pawsWidget::SetModalState( bool isModal )
{
    if ( isModal )
        PawsManager::GetSingleton().SetModalWidget( this );
    else
        PawsManager::GetSingleton().SetModalWidget( 0 );
}



int pawsWidget::GetAttachFlag( const char* flag )
{    
    csString str( flag );

    if ( str == "ATTACH_RIGHT" ) return ATTACH_RIGHT;
    if ( str == "ATTACH_LEFT" )  return ATTACH_LEFT;
    if ( str == "ATTACH_BOTTOM" ) return ATTACH_BOTTOM;
    if ( str == "ATTACH_TOP" ) return ATTACH_TOP;

    if ( str == "PROPORTIONAL_LEFT" ) return PROPORTIONAL_LEFT;
    if ( str == "PROPORTIONAL_RIGHT" ) return PROPORTIONAL_RIGHT;  
    if ( str == "PROPORTIONAL_TOP" ) return  PROPORTIONAL_TOP;
    if ( str == "PROPORTIONAL_BOTTOM" ) return  PROPORTIONAL_BOTTOM;

    return 0;
}

void pawsWidget::MouseOver(bool value)
{
    hasMouseFocus = value;
}

//csRef<iDocument> ParseFile(iObjectRegistry* object_reg, const csString & name);

bool pawsWidget::LoadFromFile(const csString & fileName)
{
    csRef<iDocument> doc;
    csRef<iDocumentNode> root, topNode, widgetNode;
    
    doc = ParseFile(PawsManager::GetSingleton().GetObjectRegistry(), 
                    PawsManager::GetSingleton().GetLocalization()->FindLocalizedFile(fileName));
    if (doc == NULL)
        return false;
        
    root = doc->GetRoot();
    if (root == NULL)
    {
        Error1("No root in XML");
        return false;
    }
    topNode = root->GetNode("widget_description");
    if (topNode == NULL)
    {
        Error1("No <widget_description> in XML");
        return false;
    }
    widgetNode = topNode->GetNode("widget");
    if (widgetNode == NULL)
    {
        Error1("No <widget> in <widget_description>");
        return false;
    }
    
    if ( ! Load(widgetNode) )
        return false;
    
    return true;
}

void pawsWidget::MakeFullyVisible()
{
    csRect parentFrame;
    int targetX, targetY;
    
    if (parent == NULL)
        return;
    
    parentFrame = parent->ScreenFrame();
    
    if (screenFrame.xmin < parentFrame.xmin)
        targetX = parentFrame.xmin;
    else if (screenFrame.xmax > parentFrame.xmax)
        targetX = parentFrame.xmax - screenFrame.Width() + 1;
    else
        targetX = screenFrame.xmin;
    if (screenFrame.ymin < parentFrame.ymin)
        targetY = parentFrame.ymin;
    else if (screenFrame.ymax > parentFrame.ymax)
        targetY = parentFrame.ymax - screenFrame.Height() + 1;
    else
        targetY = screenFrame.ymin;
    
    if ((targetX != screenFrame.xmin) || (targetY != screenFrame.ymin))
        MoveTo(targetX, targetY);
}

void pawsWidget::ClipToParent()
{
    if ( !parent )
    {
        // If we have no parent widget, then we are top level and clip only to the 2D canvas region
        graphics2D->SetClipRect( 0,0, graphics2D->GetWidth(), graphics2D->GetHeight());
        clipRect = csRect(0,0, graphics2D->GetWidth(), graphics2D->GetHeight());
    }
    else
    {
        // Otherwise we should clip to the overlap of our parent frame and either our frame or our border frame

        // If we have a border, start with that, otherwise use our widget frame
        if ( border && border->GetTitleImage())
            clipRect = border->GetRect();
        else
            clipRect = screenFrame;

        // Calculate intersection of our frame and parent frame
        clipRect.Intersect(parent->ClipRect());

        // If we wont be drawing anyway, don't bother making a graphics call to adjust clipping
        if (clipRect.IsEmpty())
            return;

        // Adjust the canvas clipping for future draw calls to clip to our allowed area
        graphics2D->SetClipRect( ClipRect().xmin, ClipRect().ymin, 
                                 ClipRect().xmax, ClipRect().ymax );
    }

}

void pawsWidget::LoadBorderColours( iDocumentNode* node )
{
    csRef<iDocumentNodeIterator> iter = node->GetNodes();
    
    int index = 0;
    while ( index < 5 && iter->HasNext() )
    {
        csRef<iDocumentNode> colour = iter->Next();
        
        int r = colour->GetAttributeValueAsInt( "r" );            
        int g = colour->GetAttributeValueAsInt( "g" );            
        int b = colour->GetAttributeValueAsInt( "b" );            
        
        int col = graphics2D->FindRGB( r, g, b );
        borderColours[index++] = col;
    }    
    hasBorderColours = true;
}

int pawsWidget::GetBorderColour(int which)
{
    if (hasBorderColours)
        return borderColours[which];
    else if (parent)
        return parent->GetBorderColour(which);
    else
        return PawsManager::GetSingleton().GetPrefs()->GetBorderColour(which);
}

void pawsWidget::SetFont( const char* Name , int Size)
{
    if (Name)
    {
        fontSize = Size;

        if (resizeToScreen)
            fontSize *= PawsManager::GetSingleton().GetFontFactor();

        if (fontScaling)
            fontSize *= ((float)fontScaling / 100.0f);

        fontName = Name;
        myFont = graphics2D->GetFontServer()->LoadFont( Name, fontSize );
    }
    else
    {
        myFont = NULL;
    }
}

void pawsWidget::SetColour( int newColour )
{
    if ( newColour != -1 )
    {
        defaultFontColour = newColour;
    }
    else
    {
        defaultFontColour = PawsManager::GetSingleton().GetPrefs()->GetDefaultFontColour();
    }
}

void pawsWidget::ChangeFontSize(int newSize)
{
    if (newSize == fontSize)
        return;

    fontSize = newSize;

    if (resizeToScreen)
        fontSize *= PawsManager::GetSingleton().GetFontFactor();

    if (fontScaling)
        fontSize *= ((float)fontScaling / 100.0f);

    if (fontName.IsEmpty())
        fontName = PawsManager::GetSingleton().GetPrefs()->GetDefaultFontName();

    myFont = graphics2D->GetFontServer()->LoadFont( fontName, fontSize );
}

void pawsWidget::SetFontScaling(int newFontScaling)
{
    if (newFontScaling == fontScaling)
        return;
        
    fontSize *= float(newFontScaling) / float(fontScaling);
    fontScaling = newFontScaling;

    if (fontName.IsEmpty())
        fontName = PawsManager::GetSingleton().GetPrefs()->GetDefaultFontName();

    myFont = graphics2D->GetFontServer()->LoadFont( fontName, fontSize );
}

iFont *pawsWidget::GetFont( bool scaled )
{
    csRef<iFont>  font;

    if (myFont)
        font = myFont;
    else if (parent)
        font = parent->GetFont( scaled );
    else
        font = PawsManager::GetSingleton().GetPrefs()->GetDefaultFont( scaled );

    return font;
}

int pawsWidget::GetFontColour()
{
    if (defaultFontColour != -1)
        return defaultFontColour;
    else if (parent)
        return parent->GetFontColour();
    else
        return PawsManager::GetSingleton().GetPrefs()->GetDefaultFontColour();
}

int pawsWidget::GetFontShadowColour()
{
    if (myFont)
        return defaultFontShadowColour;
    else if (parent)
        return parent->GetFontShadowColour();
    else
        return graphics2D->FindRGB(0,0,0);
}

float pawsWidget::GetFontSize()
{
    if (myFont)
        return fontSize;
    else if (parent)
        return parent->GetFontSize();
    else
        return DEFAULT_FONT_SIZE;
}

int pawsWidget::GetFontStyle()
{
    if (myFont)
        return fontStyle;
    else if (parent)
        return parent->GetFontStyle();
    else
        return DFFAULT_FONT_STYLE;   
}

bool pawsWidget::SelfPopulateXML( const char *xmlstr )
{
    csRef<iDocumentSystem> xml = csPtr<iDocumentSystem>(new csTinyDocumentSystem);
    
    csRef<iDocument> doc= xml->CreateDocument();
    const char *error = doc->Parse( xmlstr );
    if (error)
    {
        Error1(error);
        return false;
    }
    csRef<iDocumentNode> root    = doc->GetRoot();
    if(!root)
    {
        Error2("Missing root in %s", xmlstr);
        return false;
    }
    csRef<iDocumentNode> topNode = root->GetNode(xmlbinding!=""?xmlbinding:name);
    if (topNode)
    {
        return SelfPopulate(topNode);
    }
    else
    {
        Error3("SelfPopulate failed because tag <%s> could not be found in xmlstr '%s'.\n",name.GetData(),xmlstr);
        return false;
    }
}

bool pawsWidget::SelfPopulate( iDocumentNode *node)
{
    // No self population here since generic widgets have no data

    // Now generically check to populate children if any are here
    if (!children.Length())
        return true;

    csRef<iDocumentNodeIterator> iter = node->GetNodes();

    while ( iter->HasNext() )
    {
        csRef<iDocumentNode> node = iter->Next();

        if ( node->GetType() != CS_NODE_ELEMENT )
            continue;

        pawsWidget *nodewidget = FindWidgetXMLBinding(node->GetValue());
        if (nodewidget)
        {
            if (!nodewidget->SelfPopulate(node))
                return false;
        }
        else
            Warning2( LOG_PAWS, "Could not locate widget with XML binding %s", node->GetValue() );
    }
    return true;
}

bool pawsWidget::OnChange(pawsWidget * widget)
{
    if (parent != NULL)
        return parent->OnChange(widget);
    else
        return false;
}

void pawsWidget::Dump(csString tab)
{
    printf("%s<widget name=\"%s\">\n",tab.GetData(),name.GetData());
    for ( size_t x = 0; x < children.Length(); x++ )
    {
        children[x]->Dump(tab+"\t");
    }
    printf("%s</widget>\n",tab.GetData());
}

//------------------------------------------------------------------------

void pawsWidgetFactory::Register( const char* name )
{
    factoryName = name;

    PawsManager::GetSingleton().RegisterWidgetFactory( this );
}

pawsWidget* pawsWidgetFactory::Create()
{
    return NULL;
}

void pawsWidget::SetCloseButtonPos()
{
    pawsButton * button = dynamic_cast <pawsButton*> (FindWidget(GetCloseName(), false));
    
    if (button != NULL)
        button->SetRelativeFrame( defaultFrame.Width() - 20, - 18, 16, 16 );
}

void pawsWidget::RemoveTitle()
{
    if(border)
        border->SetTitle(NULL);
        border->SetTitleImage(NULL);

    if(close_widget)
        close_widget->DeleteYourself();
}
    
bool pawsWidget::SetTitle( const char* text, const char* image, const char* align, const char* close_button )
{
    if ( !border )
    {
        return false;
    }        
    else
    {
        border->SetTitle( text );
        psImageDescription* imageDesc = PawsManager::GetSingleton().GetTextureManager()->GetImageDescription( image );        
        pawsImage *titleImage = new pawsImage( PawsManager::GetSingleton().GetObjectRegistry() );
        titleImage->Description( imageDesc );
        border->SetTitleImage(titleImage);

        int alignValue = ALIGN_LEFT;
        if (align)
        {
            if (!strcmp(align,"center"))
                alignValue = ALIGN_CENTER;
            else if (!strcmp(align,"right"))
                alignValue = ALIGN_RIGHT;
        }
        border->SetTitleAlign(alignValue);
        
        if ( close_button && (strcmp(close_button,"yes") == 0) )
        {
            close_widget = (pawsButton*)PawsManager::GetSingleton().CreateWidget("pawsButton");
            close_widget->SetParent( this );
            close_widget->SetBackground( "quit" );
            csString name( GetName() );
            name.Append( "_close" );
            close_widget->SetName( name );
           
            int flags = ATTACH_TOP | ATTACH_RIGHT;
            close_widget->SetAttachFlags( flags );
            AddChild( close_widget );
            SetCloseButtonPos();       
            close_widget->SetSound("gui.cancel");
        }   
    }  
    
    return true;                                      
}

csString pawsWidget::GetPathInWidgetTree()
{
    csString path, widget;
    
    widget =  "n=";
    widget += name;
    widget +=" f=";
    widget += factory;
    
    if (parent != NULL)
    {
        csString path;
        path =  parent->GetPathInWidgetTree();
        path += " ---> ";
        path += widget;
        return path;
    }
    else
        return widget;
}

void pawsWidget::SetMaskingImage(const char* image)
{
    if (maskImage)
        delete maskImage;

    maskImage = new pawsImage( PawsManager::GetSingleton().GetObjectRegistry() );
    psImageDescription* imageDesc = PawsManager::GetSingleton().GetTextureManager()->GetImageDescription( image );

    if ( !imageDesc )
    {
        Warning3( LOG_PAWS, "Could not locate masking image %s for widget %s",image,GetName());
    }
    else
        maskImage->Description(imageDesc);

}

void pawsWidget::ClearMaskingImage()
{
    if (maskImage)
        delete maskImage;

    maskImage = NULL;
}


void pawsWidget::SetBackgroundColor(int r,int g, int b)
{
    bgColour = graphics2D->FindRGB(r,g,b);
}