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public/vgui_controls/cvartogglecheckbutton.h

@@ -0,0 +1,191 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef CVARTOGGLECHECKBUTTON_H
+#define CVARTOGGLECHECKBUTTON_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "vgui/VGUI.h"
+#include "vgui_controls/CheckButton.h"
+#include "tier1/utlstring.h"
+#include "tier1/KeyValues.h"
+namespace vgui
+{
+
+template< class T >
+class CvarToggleCheckButton : public CheckButton
+{
+	DECLARE_CLASS_SIMPLE( CvarToggleCheckButton, CheckButton );
+
+public:
+	CvarToggleCheckButton( Panel *parent, const char *panelName, const char *text = "", 
+		char const *cvarname = NULL, bool ignoreMissingCvar = false );
+	~CvarToggleCheckButton();
+
+	virtual void	SetSelected( bool state );
+
+	virtual void	Paint();
+
+	void			Reset();
+	void			ApplyChanges();
+	bool			HasBeenModified();
+	virtual void	ApplySettings( KeyValues *inResourceData );
+
+private:
+	// Called when the OK / Apply button is pressed.  Changed data should be written into cvar.
+	MESSAGE_FUNC( OnApplyChanges, "ApplyChanges" );
+	MESSAGE_FUNC( OnButtonChecked, "CheckButtonChecked" );
+
+	T			m_cvar;
+	bool			m_bStartValue;
+	bool			m_bIgnoreMissingCvar;
+};
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructor
+//-----------------------------------------------------------------------------
+template< class T >
+CvarToggleCheckButton<T>::CvarToggleCheckButton( Panel *parent, const char *panelName, const char *text, char const *cvarname, bool ignoreMissingCvar )
+	: CheckButton( parent, panelName, text ), m_cvar( (cvarname)?cvarname:"", (cvarname)?ignoreMissingCvar:true )
+{
+	m_bIgnoreMissingCvar = ignoreMissingCvar;
+
+	if (m_cvar.IsValid())
+	{
+		Reset();
+	}
+	AddActionSignalTarget( this );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Destructor
+//-----------------------------------------------------------------------------
+template< class T >
+CvarToggleCheckButton<T>::~CvarToggleCheckButton()
+{
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+template< class T >
+void CvarToggleCheckButton<T>::Paint()
+{
+	if ( !m_cvar.IsValid() ) 
+	{
+		BaseClass::Paint();
+		return;
+	}
+
+	bool value = m_cvar.GetBool();
+
+	if ( value != m_bStartValue )
+	{
+		SetSelected( value );
+		m_bStartValue = value;
+	}
+	BaseClass::Paint();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Called when the OK / Apply button is pressed.  Changed data should be written into cvar.
+//-----------------------------------------------------------------------------
+template< class T >
+void CvarToggleCheckButton<T>::OnApplyChanges()
+{
+	ApplyChanges();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+template< class T >
+void CvarToggleCheckButton<T>::ApplyChanges()
+{
+	if ( !m_cvar.IsValid() ) 
+		return;
+
+	m_bStartValue = IsSelected();
+	m_cvar.SetValue( m_bStartValue );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+template< class T >
+void CvarToggleCheckButton<T>::Reset()
+{
+	if ( !m_cvar.IsValid() ) 
+		return;
+
+	m_bStartValue = m_cvar.GetBool();
+	SetSelected(m_bStartValue);
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+template< class T >
+bool CvarToggleCheckButton<T>::HasBeenModified()
+{
+	return IsSelected() != m_bStartValue;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : *panel - 
+//-----------------------------------------------------------------------------
+template< class T >
+void CvarToggleCheckButton<T>::SetSelected( bool state )
+{
+	BaseClass::SetSelected( state );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+template< class T >
+void CvarToggleCheckButton<T>::OnButtonChecked()
+{
+	if (HasBeenModified())
+	{
+		PostActionSignal(new KeyValues("ControlModified"));
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+template< class T >
+void CvarToggleCheckButton<T>::ApplySettings( KeyValues *inResourceData )
+{
+	BaseClass::ApplySettings( inResourceData );
+
+	const char *cvarName = inResourceData->GetString("cvar_name", "");
+	const char *cvarValue = inResourceData->GetString("cvar_value", "");
+
+	if( Q_stricmp( cvarName, "") == 0 )
+		return;// Doesn't have cvar set up in res file, must have been constructed with it.
+
+	if( Q_stricmp( cvarValue, "1") == 0 )
+		m_bStartValue = true;
+	else
+		m_bStartValue = false;
+
+	m_cvar.Init( cvarName, m_bIgnoreMissingCvar );
+	if ( m_cvar.IsValid() )
+	{
+		SetSelected( m_cvar.GetBool() );
+	}
+}
+
+} // namespace vgui
+
+#endif // CVARTOGGLECHECKBUTTON_H