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Home » U++ Library support » Slider&ProgressIndicator » Slider with thermometer like scale
Re: Slider with thermometer like scale [message #32364 is a reply to message #27646] Fri, 13 May 2011 10:22 Go to previous messageGo to previous message
jibe is currently offline  jibe
Messages: 294
Registered: February 2007
Location: France
Experienced Member
Hi,

Yes, it's weird... This works well :

JBControlsTest.h :
#ifndef _JBControlsTest_JBControlsTest_h
#define _JBControlsTest_JBControlsTest_h

#include <CtrlLib/CtrlLib.h>
#include <Controls4U/Controls4U.h>
#include <JBControls/SliderCtrlX.h>

using namespace Upp;

class JBControlsTest : public TopWindow {
public:
	typedef JBControlsTest CLASSNAME;
	JBControlsTest();
	
	SliderCtrlX slider;
};

#endif

JBControlsTest.cpp :
#include "JBControlsTest.h"

JBControlsTest::JBControlsTest()
{
	Add(slider.FillColor(Color(255, 85, 0)).SetThickness(3).SetThumbType(4).LeftPosZ(63, 330).TopPosZ(220, 52));
	slider.Jump(true);
}

GUI_APP_MAIN
{
	JBControlsTest().Run();
}


Just move "Jump", and you get an "Invalid memory access" at run time...
#include "JBControlsTest.h"

JBControlsTest::JBControlsTest()
{
	Add(slider.FillColor(Color(255, 85, 0)).SetThickness(3).SetThumbType(4).Jump(true).LeftPosZ(63, 330).TopPosZ(220, 52));
}

GUI_APP_MAIN
{
	JBControlsTest().Run();
}


Part of SliderCtrlX.h :
...
private:
...
	bool		  	m_bJump;			// Jumps directly to mouse pos if click on the scale
...
public:
...
	SliderCtrlX&	Jump(bool v = false)		  		{ m_bJump = v; }
...


Part of SliderCtrlX.cpp :
...
SliderCtrlX::SliderCtrlX()
: m_nMin(0)
, m_nMax(100)
, m_bInverted(false)
, m_nStep(1)
, m_bRound_step(false)
, m_bJump(false)
, m_bUseCustomThumbs( 0 )
, m_nMajorTicks( 10 )
, m_nMinorTicks( 2 )
, m_nMajorTickSize( 30 )
, m_nMinorTickSize( 20 )
, m_nTickPosition( TOP )
, m_nThickness( 2 )
, m_nSliderType( 0 )
, m_nThumbNumber( 1 )
{
...
}
...
void SliderCtrlX::LeftDown(Point pos, dword keyflags)
{
...
	else if( m_bJump ) 
	{
		m_vValues[0] = ClientToSlider(p);
		WhenSlideFinish();
		UpdateActionRefresh();		
	}
...
}
...


Shocked ... I don't understand...
 
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