1HEADmaster

1 files changed, 334 insertions, 0 deletions

diff --git a/common/GameUI/cvarslider.cpp b/common/GameUI/cvarslider.cpp
new file mode 100644
index 0000000..7220538
--- /dev/null
+++ b/common/GameUI/cvarslider.cpp
@@ -0,0 +1,334 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+#include "cvarslider.h"
+#include <stdio.h>
+#include "tier1/KeyValues.h"
+#include "tier1/convar.h"
+#include <vgui/IVGui.h>
+#include <vgui_controls/PropertyPage.h>
+
+#define CVARSLIDER_SCALE_FACTOR 100.0f
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include <tier0/memdbgon.h>
+
+using namespace vgui;
+
+DECLARE_BUILD_FACTORY( CCvarSlider );
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CCvarSlider::CCvarSlider( Panel *parent, const char *name ) : Slider( parent, name )
+{
+	SetupSlider( 0, 1, "", false );
+	m_bCreatedInCode = false;
+
+	AddActionSignalTarget( this );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CCvarSlider::CCvarSlider( Panel *parent, const char *panelName, char const *caption,
+		float minValue, float maxValue, char const *cvarname, bool bAllowOutOfRange )
+  : Slider( parent, panelName )
+{
+	AddActionSignalTarget( this );
+
+	SetupSlider( minValue, maxValue, cvarname, bAllowOutOfRange );
+
+	// For backwards compatability. Ignore .res file settings for forced setup sliders.
+	m_bCreatedInCode = true;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CCvarSlider::SetupSlider( float minValue, float maxValue, const char *cvarname, bool bAllowOutOfRange )
+{
+	// make sure min/max don't go outside cvar range if there's one
+	ConVarRef var( cvarname, true );
+	if ( var.IsValid() )
+	{
+		float flCVarMin;
+		if ( var.GetMin( flCVarMin ) )
+		{
+			minValue = m_bUseConVarMinMax ? flCVarMin : MAX( minValue, flCVarMin );
+		}
+		float flCVarMax;
+		if ( var.GetMax( flCVarMax ) )
+		{
+			maxValue = m_bUseConVarMinMax ? flCVarMax : MIN( maxValue, flCVarMax );
+		}
+	}
+
+	m_flMinValue = minValue;
+	m_flMaxValue = maxValue;
+
+	// scale by CVARSLIDER_SCALE_FACTOR
+	SetRange( (int)( CVARSLIDER_SCALE_FACTOR * minValue ), (int)( CVARSLIDER_SCALE_FACTOR * maxValue ) );
+
+	char szMin[ 32 ];
+	char szMax[ 32 ];
+
+	Q_snprintf( szMin, sizeof( szMin ), "%.2f", minValue );
+	Q_snprintf( szMax, sizeof( szMax ), "%.2f", maxValue );
+
+	SetTickCaptions( szMin, szMax );
+
+	Q_strncpy( m_szCvarName, cvarname, sizeof( m_szCvarName ) );
+
+    m_bModifiedOnce = false;
+    m_bAllowOutOfRange = bAllowOutOfRange;
+
+	// Set slider to current value
+	Reset();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CCvarSlider::~CCvarSlider()
+{
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CCvarSlider::ApplySettings( KeyValues *inResourceData )
+{
+	BaseClass::ApplySettings( inResourceData );
+
+	if ( !m_bCreatedInCode )
+	{
+		float minValue = inResourceData->GetFloat( "minvalue", 0 );
+		float maxValue = inResourceData->GetFloat( "maxvalue", 1 );
+		const char *cvarname = inResourceData->GetString( "cvar_name", "" );
+		bool bAllowOutOfRange = inResourceData->GetInt( "allowoutofrange", 0 ) != 0;
+		SetupSlider( minValue, maxValue, cvarname, bAllowOutOfRange );
+
+		if ( GetParent() )
+		{
+			// HACK: If our parent is a property page, we want the dialog containing it
+			if ( dynamic_cast<vgui::PropertyPage*>(GetParent()) && GetParent()->GetParent() )
+			{
+				GetParent()->GetParent()->AddActionSignalTarget( this );
+			}
+			else
+			{
+				GetParent()->AddActionSignalTarget( this );
+			}
+		}
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Get control settings for editing
+//-----------------------------------------------------------------------------
+void CCvarSlider::GetSettings( KeyValues *outResourceData )
+{
+	BaseClass::GetSettings(outResourceData);
+
+	if ( !m_bCreatedInCode )
+	{
+		outResourceData->SetFloat( "minvalue", m_flMinValue );
+		outResourceData->SetFloat( "maxvalue", m_flMaxValue );
+		outResourceData->SetString( "cvar_name", m_szCvarName );
+		outResourceData->SetInt( "allowoutofrange", m_bAllowOutOfRange );
+	}
+}
+
+void CCvarSlider::SetCVarName( char const *cvarname )
+{
+	Q_strncpy( m_szCvarName, cvarname, sizeof( m_szCvarName ) );
+
+	m_bModifiedOnce = false;
+
+	// Set slider to current value
+	Reset();
+}
+
+void CCvarSlider::SetMinMaxValues( float minValue, float maxValue, bool bSetTickDisplay )
+{
+	SetRange( (int)( CVARSLIDER_SCALE_FACTOR * minValue ), (int)( CVARSLIDER_SCALE_FACTOR * maxValue ) );
+
+	if ( bSetTickDisplay )
+	{
+		char szMin[ 32 ];
+		char szMax[ 32 ];
+
+		Q_snprintf( szMin, sizeof( szMin ), "%.2f", minValue );
+		Q_snprintf( szMax, sizeof( szMax ), "%.2f", maxValue );
+
+
+		SetTickCaptions( szMin, szMax );
+	}
+
+	// Set slider to current value
+	Reset();
+}
+
+void CCvarSlider::SetTickColor( Color color )
+{
+	m_TickColor = color;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CCvarSlider::Paint()
+{
+	// Get engine's current value
+//	float curvalue = engine->pfnGetCvarFloat( m_szCvarName );
+	ConVarRef var( m_szCvarName, true );
+	if ( !var.IsValid() )
+		return;
+	float curvalue = var.GetFloat();
+	
+    // did it get changed from under us?
+    if (curvalue != m_fStartValue)
+    {
+        int val = (int)( CVARSLIDER_SCALE_FACTOR * curvalue );
+        m_fStartValue = curvalue;
+        m_fCurrentValue = curvalue;
+        
+        SetValue( val );
+        m_iStartValue = GetValue();
+    }
+
+	BaseClass::Paint();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CCvarSlider::ApplyChanges()
+{
+    if (m_bModifiedOnce)
+    {
+        m_iStartValue = GetValue();
+        if (m_bAllowOutOfRange)
+        {
+            m_fStartValue = m_fCurrentValue;
+        }
+        else
+        {
+            m_fStartValue = (float) m_iStartValue / CVARSLIDER_SCALE_FACTOR;
+        }
+    
+		//engine->Cvar_SetValue( m_szCvarName, m_fStartValue );
+		ConVarRef var( m_szCvarName, true );
+		if ( !var.IsValid() )
+			return;
+		var.SetValue( (float)m_fStartValue );
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+float CCvarSlider::GetSliderValue()
+{	
+    if (m_bAllowOutOfRange)
+    {
+	    return m_fCurrentValue; 
+    }
+    else
+    {
+        return ((float)GetValue())/ CVARSLIDER_SCALE_FACTOR;
+    }
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CCvarSlider::SetSliderValue(float fValue)
+{
+    int nVal = (int)( CVARSLIDER_SCALE_FACTOR * fValue );
+    SetValue( nVal, false);
+
+    // remember this slider value
+    m_iLastSliderValue = GetValue();
+
+    if (m_fCurrentValue != fValue)
+    {
+        m_fCurrentValue = fValue;
+        m_bModifiedOnce = true;
+    }
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CCvarSlider::Reset()
+{
+	// Set slider to current value
+//	m_fStartValue = engine->pfnGetCvarFloat( m_szCvarName );
+	ConVarRef var( m_szCvarName, true );
+	if ( !var.IsValid() )
+	{
+	    m_fCurrentValue = m_fStartValue = 0.0f;
+		SetValue( 0, false );
+		m_iStartValue = GetValue();
+	    m_iLastSliderValue = m_iStartValue;
+		return;
+	}
+	m_fStartValue = var.GetFloat();
+    m_fCurrentValue = m_fStartValue;
+
+    int value = (int)( CVARSLIDER_SCALE_FACTOR * m_fStartValue );
+	SetValue( value, false );
+
+	m_iStartValue = GetValue();
+    m_iLastSliderValue = m_iStartValue;
+
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+bool CCvarSlider::HasBeenModified()
+{
+    if (GetValue() != m_iStartValue)
+    {
+        m_bModifiedOnce = true;
+    }
+
+    return m_bModifiedOnce;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : position - 
+//-----------------------------------------------------------------------------
+void CCvarSlider::OnSliderMoved()
+{
+	if (HasBeenModified())
+	{
+        if (m_iLastSliderValue != GetValue())
+        {
+            m_iLastSliderValue = GetValue();
+            m_fCurrentValue = ((float) m_iLastSliderValue)/CVARSLIDER_SCALE_FACTOR;
+        }
+
+		// tell parent that we've been modified
+		PostActionSignal(new KeyValues("ControlModified"));
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CCvarSlider::OnSliderDragEnd( void )
+{
+	if ( !m_bCreatedInCode )
+	{
+		ApplyChanges();
+	}
+}
\ No newline at end of file