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// Copyright 2006-2012 Asger Feldthaus
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#ifndef _C_GUI_PANEL_H_
#define _C_GUI_PANEL_H_
#include "IGUIElement.h"
#include "EGUIEditTypes.h"
namespace irr
{
namespace gui
{
class IGUIScrollBar;
class IGUITab;
enum E_SCROLL_BAR_MODE
{
//! The scrollbar will only show up when needed.
ESBM_AUTOMATIC = 0,
//! The scrollbar will never be visible.
ESBM_ALWAYS_INVISIBLE,
//! The scrollbar will always the visible.
ESBM_ALWAYS_VISIBLE,
//! just a count of how many are in this enum
ESBM_COUNT
};
const c8* const GUIScrollBarModeNames[] =
{
"automatic",
"alwaysInvisible",
"alwaysVisible",
0
};
class CGUIPanel : public IGUIElement
{
public:
CGUIPanel( IGUIEnvironment* environment, IGUIElement* parent, s32 id=-1,
const core::rect<s32>& rectangle = core::rect<s32>(0,0,100,100),
bool border=false,
E_SCROLL_BAR_MODE vMode=ESBM_AUTOMATIC,
E_SCROLL_BAR_MODE hMode=ESBM_ALWAYS_INVISIBLE );
virtual ~CGUIPanel();
//! draws the panel and its children
virtual void draw();
//! returns true if it has a border, false if not
bool hasBorder() const;
//! sets whether the element draws a border
void setBorder(bool enabled);
//! returns a pointer to the vertical scrollbar
IGUIScrollBar* getVScrollBar() const;
//! returns a pointer to the horizontal scrollbar
IGUIScrollBar* getHScrollBar() const;
//! returns the vertical scrollbar visibility rule
E_SCROLL_BAR_MODE getVScrollBarMode() const;
//! sets the vertical scrollbar visibility rule
void setVScrollBarMode(E_SCROLL_BAR_MODE mode);
//! returns the horizontal scrollbar visibility rule
E_SCROLL_BAR_MODE getHScrollBarMode() const;
//! sets the horizontal scrollbar visibility rule
void setHScrollBarMode(E_SCROLL_BAR_MODE mode);
//! returns the visible area inside the panel, excluding scrollbar and border
core::rect<s32> getClientArea() const;
virtual bool OnEvent(const SEvent &event);
//! adds a child to the panel
virtual void addChild(IGUIElement* child);
//! removes a child from the panel
virtual void removeChild(IGUIElement* child);
//! updates the absolute position
virtual void updateAbsolutePosition();
//! returns children of the inner pane
virtual const core::list<IGUIElement*>& getChildren();
//! Returns the type name of the gui element.
virtual const c8* getTypeName() const
{
return GUIEditElementTypeNames[EGUIEDIT_GUIPANEL];
}
virtual void serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options=0);
virtual void deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options=0);
protected:
void moveInnerPane();
void resizeInnerPane();
void calculateClientArea();
private:
IGUIScrollBar* VScrollBar;
IGUIScrollBar* HScrollBar;
IGUITab* ClipPane;
IGUITab* InnerPane;
E_SCROLL_BAR_MODE VScrollBarMode;
E_SCROLL_BAR_MODE HScrollBarMode;
bool NeedsUpdate;
bool Border;
};
} // namespace gui
} // namespace irr
#endif
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