107 lines
2.6 KiB
C
107 lines
2.6 KiB
C
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/*
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GWEN
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Copyright (c) 2010 Facepunch Studios
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See license in Gwen.h
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*/
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#pragma once
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#ifndef GWEN_CONTROLS_CANVAS_H
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#define GWEN_CONTROLS_CANVAS_H
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#include <stl/set.h>
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#include "gwen_base.h"
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#include "../gwen_inputhandler.h"
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namespace Gwen
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{
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namespace Controls
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{
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class GWEN_EXPORT Canvas : public Base
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{
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public:
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typedef Controls::Base BaseClass;
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Canvas( Skin::Base* pSkin );
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virtual ~Canvas();
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//
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// For additional initialization
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// (which is sometimes not appropriate in the constructor)
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//
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virtual void Initialize(){};
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//
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// You should call this to render your canvas.
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//
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virtual void RenderCanvas();
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//
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// Call this whenever you want to process input. This
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// is usually once a frame..
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//
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virtual void DoThink();
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//
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// In most situations you will be rendering the canvas
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// every frame. But in some situations you will only want
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// to render when there have been changes. You can do this
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// by checking NeedsRedraw().
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//
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virtual bool NeedsRedraw(){ return m_bNeedsRedraw; }
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virtual void Redraw(){ m_bNeedsRedraw = true; }
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// Internal. Do not call directly.
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virtual void Render( Skin::Base* pRender );
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// Childpanels call parent->GetCanvas() until they get to
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// this top level function.
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virtual Controls::Canvas* GetCanvas(){ return this; }
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virtual void SetScale( float f );
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virtual float Scale() const { return m_fScale; }
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virtual void OnBoundsChanged( Gwen::Rect oldBounds );
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// Delete all children (this is done called in the destructor too)
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virtual void ReleaseChildren();
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// Delayed deletes
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virtual void AddDelayedDelete( Controls::Base* pControl );
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virtual void ProcessDelayedDeletes();
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Controls::Base* FirstTab;
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Controls::Base* NextTab;
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// Input
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virtual bool InputMouseMoved( int x, int y, int deltaX, int deltaY );
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virtual bool InputMouseButton( int iButton, bool bDown );
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virtual bool InputKey( int iKey, bool bDown );
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virtual bool InputCharacter( char chr );
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virtual bool InputMouseWheel( int val );
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virtual bool InputQuit(){ return true; };
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// Background
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virtual void SetBackgroundColor( const Gwen::Color& color ){ m_BackgroundColor = color; }
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virtual void SetDrawBackground( bool bShouldDraw ){ m_bDrawBackground = bShouldDraw; }
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protected:
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bool m_bNeedsRedraw;
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bool m_bAnyDelete;
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float m_fScale;
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Controls::Base::List m_DeleteList;
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stl::set< Controls::Base* > m_DeleteSet;
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friend class Controls::Base;
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void PreDeleteControl( Controls::Base * );
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bool m_bDrawBackground;
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Gwen::Color m_BackgroundColor;
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};
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}
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}
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#endif
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