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

2015-04-16 09:55:32 -07:00
parent d9feaf2d2a
commit a1bf9c5556
425 changed files with 255913 additions and 0 deletions
--- a/examples/ThirdPartyLibs/Gwen/Controls/HorizontalScrollBar.cpp
+++ b/examples/ThirdPartyLibs/Gwen/Controls/HorizontalScrollBar.cpp
@@ -0,0 +1,136 @@
+/*
+	GWEN
+	Copyright (c) 2010 Facepunch Studios
+	See license in Gwen.h
+*/
+
+
+#include "Gwen/Controls/ScrollBar.h"
+#include "Gwen/Controls/HorizontalScrollBar.h"
+
+using namespace Gwen;
+using namespace Gwen::Controls;
+
+GWEN_CONTROL_CONSTRUCTOR( HorizontalScrollBar )
+{
+	m_Bar->SetHorizontal();
+
+	m_ScrollButton[SCROLL_BUTTON_LEFT]->SetDirectionLeft();
+	m_ScrollButton[SCROLL_BUTTON_LEFT]->onPress.Add( this, &HorizontalScrollBar::NudgeLeft );
+
+	m_ScrollButton[SCROLL_BUTTON_RIGHT]->SetDirectionRight();
+	m_ScrollButton[SCROLL_BUTTON_RIGHT]->onPress.Add( this, &HorizontalScrollBar::NudgeRight );
+
+	m_Bar->onDragged.Add( this, &HorizontalScrollBar::OnBarMoved );
+}
+
+void HorizontalScrollBar::Layout( Skin::Base* skin )
+{
+	BaseClass::Layout( skin );
+
+	m_ScrollButton[SCROLL_BUTTON_LEFT]->SetWidth( Height() );
+	m_ScrollButton[SCROLL_BUTTON_LEFT]->Dock(Pos::Left);
+
+	m_ScrollButton[SCROLL_BUTTON_RIGHT]->SetWidth( Height() );
+	m_ScrollButton[SCROLL_BUTTON_RIGHT]->Dock(Pos::Right);
+
+	m_Bar->SetHeight( GetButtonSize() );
+	m_Bar->SetPadding( Padding( GetButtonSize(), 0, GetButtonSize(), 0 ) );
+
+	float barWidth = (m_fViewableContentSize / m_fContentSize) * (Width() - (GetButtonSize() * 2));
+
+	if ( barWidth < GetButtonSize() * 0.5 )
+		barWidth = GetButtonSize() * 0.5;
+
+	m_Bar->SetWidth(barWidth);
+	m_Bar->SetHidden( Width() - (GetButtonSize() * 2) <= barWidth );
+
+	//Based on our last scroll amount, produce a position for the bar
+	if ( !m_Bar->IsDepressed() )
+	{
+		SetScrolledAmount( GetScrolledAmount(), true );
+	}
+}
+
+void HorizontalScrollBar::NudgeLeft( Base* /*control*/ )
+{
+	if ( !IsDisabled() )
+		SetScrolledAmount( GetScrolledAmount() - GetNudgeAmount(), true);
+}
+
+void HorizontalScrollBar::NudgeRight( Base* /*control*/ )
+{
+	if ( !IsDisabled() )
+		SetScrolledAmount( GetScrolledAmount() + GetNudgeAmount(), true);
+}
+
+void HorizontalScrollBar::ScrollToLeft()
+{
+	SetScrolledAmount( 0, true);
+}
+void HorizontalScrollBar::ScrollToRight()
+{
+	SetScrolledAmount( 1, true);
+}
+
+float HorizontalScrollBar::GetNudgeAmount()
+{
+	if ( m_bDepressed ) 
+		return m_fViewableContentSize / m_fContentSize;
+	else			 
+		return BaseClass::GetNudgeAmount();
+}
+
+
+
+void HorizontalScrollBar::OnMouseClickLeft( int x, int y, bool bDown )
+{
+	if ( bDown )
+	{
+		m_bDepressed = true;
+		Gwen::MouseFocus = this;
+	}
+	else
+	{
+		Gwen::Point clickPos = CanvasPosToLocal( Gwen::Point( x, y ) );
+		if ( clickPos.x < m_Bar->X() )
+			NudgeLeft( this );
+		else if ( clickPos.x > m_Bar->X() + m_Bar->Width() )
+			NudgeRight( this );
+
+		m_bDepressed = false;
+		Gwen::MouseFocus = NULL;
+	}
+}
+
+float HorizontalScrollBar::CalculateScrolledAmount()
+{
+	return (float)(m_Bar->X() - GetButtonSize()) / (float)(Width() - m_Bar->Width() - (GetButtonSize() * 2 ));
+}
+
+bool HorizontalScrollBar::SetScrolledAmount( float amount, bool forceUpdate )
+{
+	amount = Gwen::Clamp( amount, 0, 1 );
+
+	if  ( !BaseClass::SetScrolledAmount( amount, forceUpdate ) )
+		return false;
+
+	if ( forceUpdate )
+	{
+		int newX = GetButtonSize() + (amount * ((Width() - m_Bar->Width()) - (GetButtonSize()*2)));
+		m_Bar->MoveTo( newX, m_Bar->Y() );
+	}
+
+	return true;
+}
+
+void HorizontalScrollBar::OnBarMoved( Controls::Base* control )
+{
+	if ( m_Bar->IsDepressed() )
+	{
+		SetScrolledAmount( CalculateScrolledAmount(), false );
+		BaseClass::OnBarMoved(control);
+	}
+	else
+		InvalidateParent();
+}