From fc2f5b2cd655f1391f2abda1b39e37cdec98a951 Mon Sep 17 00:00:00 2001
From: Felix Domke <tmbinc@elitedvb.net>
Date: Fri, 17 Oct 2003 15:35:43 +0000
Subject: Initial revision

---
 lib/gui/slider.cpp | 188 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 188 insertions(+)
 create mode 100644 lib/gui/slider.cpp

(limited to 'lib/gui/slider.cpp')

diff --git a/lib/gui/slider.cpp b/lib/gui/slider.cpp
new file mode 100644
index 00000000..dc4b9d72
--- /dev/null
+++ b/lib/gui/slider.cpp
@@ -0,0 +1,188 @@
+#include <lib/gui/slider.h>
+
+#include <lib/gui/eskin.h>
+#include <lib/gui/elabel.h>
+#include <lib/gui/guiactions.h>
+#include <lib/base/init.h>
+#include <lib/base/init_num.h>
+
+inline void swap( gColor& a, gColor& b )
+{
+	gColor tmp = a;
+	a = b;
+	b = tmp;
+}
+
+eSlider::eSlider( eWidget* parent, const eWidget *descr, int min, int max )
+	:eProgress( parent, 1), descr(descr)
+{
+	activated_left = eSkin::getActive()->queryScheme( "eSlider.activated.left" );
+	activated_right = eSkin::getActive()->queryScheme( "eSlider.activated.right" );
+	setMin(min);
+	setMax(max);
+	incrementation = 4; // in Percent
+	addActionMap(&i_cursorActions->map);
+}
+
+void eSlider::setMin( int i )
+{
+	min = i;
+}
+
+void eSlider::setMax( int i )
+{
+	max = (i <= min) ? 99 : i;
+}
+
+void eSlider::setValue( int i )
+{
+	if ( i >= min && i <= max )
+		setPerc( (int) round( i * (double)100/((max-min)+1) ) );
+	else
+		setPerc( 0 );
+}
+
+int eSlider::getValue()
+{	
+	int ret = (int) ( (double) perc / 100 * ( (max-min)+1));
+	return (ret > max ? max : ret);
+}
+
+void eSlider::setIncrement( int i )
+{
+	if (!i)
+		incrementation = 4;
+	else
+		incrementation = i;
+}
+
+int eSlider::setProperty( const eString &prop, const eString &val)
+{
+	if (prop == "leftColorActive")
+		activated_left=eSkin::getActive()->queryColor( prop );
+	else if (prop == "rightColorActive")
+		activated_right=eSkin::getActive()->queryColor( prop );
+	else if (prop == "incrementation")
+		setIncrement( atoi( val.c_str() ) );
+	else if (prop == "min")
+		setMin( atoi(val.c_str()) );
+	else if (prop == "max")
+		setMax( atoi(val.c_str()) );
+	else
+		return eProgress::setProperty( prop, val );
+	return 0;
+}
+
+void eSlider::gotFocus()
+{
+	have_focus++;
+	swap( left, activated_left );
+	swap( right, activated_right );
+
+#ifndef DISABLE_LCD
+	if (parent && parent->LCDElement)  // detect if LCD Avail
+	{
+		LCDTmp = new eProgress( parent->LCDElement );
+		LCDTmp->hide();
+		LCDTmp->setForegroundColor( 255 );
+		((eSlider*)LCDTmp)->left=255;
+		((eSlider*)LCDTmp)->right=0;	
+		((eProgress*)LCDTmp)->setPerc( perc );
+		eSize s = parent->LCDElement->getSize();
+
+		if (descr)
+		{
+			LCDTmp->move(ePoint(0, s.height()/2 + s.height()/4 - 6 ));
+			LCDTmp->resize( eSize(s.width(), 12) );
+			tmpDescr = new eLabel(parent->LCDElement);
+			tmpDescr->hide();
+			tmpDescr->move(ePoint(0,0));
+			tmpDescr->resize(eSize(s.width(), s.height()/2));
+			tmpDescr->setText(descr->getText());
+			tmpDescr->show();
+		}
+		else
+		{
+			LCDTmp->resize( eSize(s.width(), 8) );
+			LCDTmp->move(ePoint(0, s.height() / 2 - 6));
+		}
+		((eProgress*)LCDTmp)->setPerc( perc );
+		LCDTmp->show();
+	}
+#endif // DISABLE_LCD
+	redraw();	
+}
+
+void eSlider::lostFocus()
+{
+// swap back;
+	swap( left, activated_left );
+	swap( right, activated_right );
+
+#ifndef DISABLE_LCD
+	if (LCDTmp)
+	{
+		delete LCDTmp;
+		LCDTmp=0;
+		if (tmpDescr)
+		{
+			delete tmpDescr;
+			tmpDescr=0;
+		}
+	}
+#endif
+	have_focus--;	
+	invalidate();
+}
+
+int eSlider::eventHandler( const eWidgetEvent& event )
+{
+	switch (event.type)
+	{
+		case eWidgetEvent::evtAction:
+		{
+			if(event.action == &i_cursorActions->right)
+			{
+			 	if ( (perc += incrementation) > 100 )
+					perc = 100;
+			}
+			else if(event.action == &i_cursorActions->left)
+			{
+			 	if ( (perc-=incrementation) < 0 )
+					perc = 0;
+			}
+			else
+				break;
+			redraw();
+			/* emit */ changed( getValue() );
+#ifndef DISABLE_LCD
+			if (LCDTmp)
+				((eProgress*)LCDTmp)->setPerc( perc );
+#endif
+			return 1;
+		}
+		default:
+			break;
+	}
+	return eProgress::eventHandler( event );
+}
+
+static eWidget *create_eSlider(eWidget *parent)
+{
+	return new eSlider(parent);
+}
+
+class eSliderSkinInit
+{
+public:
+	eSliderSkinInit()
+	{
+		eSkin::addWidgetCreator("eSlider", create_eSlider);
+	}
+	~eSliderSkinInit()
+	{
+		eSkin::removeWidgetCreator("eSlider", create_eSlider);
+	}
+};
+
+eAutoInitP0<eSliderSkinInit> init_eSliderSkinInit(eAutoInitNumbers::guiobject, "eSlider");
-- 
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