add initial examples, replacing the 'Demos/Demos3'. Will make it work cross-platform, OpenGL3/OpenGL2 and add more examples to it.

examples/ThirdPartyLibs/Gwen/Controls/NumericUpDown.cpp

@@ -0,0 +1,117 @@
+/*
+	GWEN
+	Copyright (c) 2010 Facepunch Studios
+	See license in Gwen.h
+*/
+
+
+#include "Gwen/Gwen.h"
+#include "Gwen/Utility.h"
+#include "Gwen/Skin.h"
+#include "Gwen/Controls/NumericUpDown.h"
+#include "Gwen/Controls/Layout/Splitter.h"
+
+using namespace Gwen;
+using namespace Gwen::Controls;
+
+
+
+GWEN_CONTROL_CONSTRUCTOR( NumericUpDown )
+{
+	SetSize( 100, 20 );
+
+	Layout::Splitter* pSplitter = new Layout::Splitter( this );
+		pSplitter->Dock( Pos::Right );
+		pSplitter->SetSize( 13, 13 );
+
+	NumericUpDownButton_Up* pButtonUp = new NumericUpDownButton_Up( pSplitter );
+		pButtonUp->onPress.Add( this, &NumericUpDown::OnButtonUp );
+		pButtonUp->SetTabable( false );
+
+		pSplitter->SetPanel( 0, pButtonUp );
+		
+
+	NumericUpDownButton_Down* pButtonDown = new NumericUpDownButton_Down( pSplitter );
+		pButtonDown->onPress.Add( this, &NumericUpDown::OnButtonDown );
+		pButtonDown->SetTabable( false );
+		pButtonUp->SetPadding( Padding( 0, 1, 1, 0 ) );
+
+		pSplitter->SetPanel( 1, pButtonDown );
+
+	m_iMax = 100;
+	m_iMin = 0;
+	m_iNumber = 0;
+	SetText( "0" );
+}
+
+void NumericUpDown::OnButtonUp( Base* /*control*/ )
+{
+	SyncNumberFromText();
+	SetValue( m_iNumber + 1 );
+}
+
+void NumericUpDown::OnButtonDown( Base* /*control*/ )
+{
+	SyncNumberFromText();
+	SetValue( m_iNumber - 1 );
+}
+
+
+void NumericUpDown::SyncTextFromNumber()
+{
+	SetText( Utility::ToString( m_iNumber ) );
+}
+
+void NumericUpDown::SyncNumberFromText()
+{
+	SetValue( (int) GetFloatFromText() );
+}
+
+void NumericUpDown::SetMin( int i )
+{
+	m_iMin = i;
+}
+
+void NumericUpDown::SetMax( int i )
+{
+	m_iMax = i;
+}
+
+void NumericUpDown::SetValue( int i )
+{
+	if ( i > m_iMax ) i = m_iMax;
+	if ( i < m_iMin ) i = m_iMin;
+
+	if ( m_iNumber == i )
+	{		
+		return;
+	}
+
+	m_iNumber = i;
+
+	// Don't update the text if we're typing in it..
+	if ( !HasFocus() )
+	{
+		SyncTextFromNumber();
+	}
+
+	OnChange();
+}
+
+void NumericUpDown::OnChange()
+{
+	onChanged.Call( this );
+}
+
+void NumericUpDown::OnTextChanged()
+{
+	BaseClass::OnTextChanged();
+
+	SyncNumberFromText();
+}
+
+void NumericUpDown::OnEnter()
+{
+	SyncNumberFromText();
+	SyncTextFromNumber();
+}