Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: A button with no borders that shows a left-pointing or down-pointing triangle
//
// $NoKeywords: $
//===========================================================================//
#ifndef EXPANDBUTTON_H
#define EXPANDBUTTON_H
#ifdef _WIN32
#pragma once
#endif
#include <vgui/VGUI.h>
#include <vgui_controls/ToggleButton.h>
namespace vgui
{
//-----------------------------------------------------------------------------
// Purpose: A button with no borders that shows a left-pointing or down-pointing arrow
//-----------------------------------------------------------------------------
class ExpandButton : public ToggleButton
{
DECLARE_CLASS_SIMPLE( ExpandButton, ToggleButton );
public:
ExpandButton( Panel *parent, const char *panelName );
~ExpandButton();
// Expand the button (selected == expanded)
virtual void SetSelected( bool bExpand );
// sets whether or not the state of the check can be changed
// if this is set to false, then no input in the code or by the user can change it's state
void SetExpandable(bool state);
virtual void Paint();
protected:
virtual void ApplySchemeSettings(IScheme *pScheme);
MESSAGE_FUNC_PTR( OnExpanded, "Expanded", panel );
virtual IBorder *GetBorder(bool depressed, bool armed, bool selected, bool keyfocus);
/* MESSAGES SENT
"Expanded" - sent when the expand button state is changed
"state" - button state: 1 is expanded, 0 is unexpanded
*/
private:
bool m_bExpandable;
HFont m_hFont;
Color m_Color;
};
} // namespace vgui
#endif // EXPANDBUTTON_H