mirror of
https://github.com/nillerusr/source-engine.git
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954 lines
24 KiB
C++
954 lines
24 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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#include <stdio.h>
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#define PROTECTED_THINGS_DISABLE
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#include <vgui/MouseCode.h>
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#include <KeyValues.h>
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#include <vgui/IBorder.h>
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#include <vgui/IInput.h>
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#include <vgui/ISystem.h>
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#include <vgui/IScheme.h>
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#include <vgui/ISurface.h>
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#include <vgui/ILocalize.h>
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#include <vgui_controls/Slider.h>
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#include <vgui_controls/Controls.h>
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#include <vgui_controls/TextImage.h>
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// memdbgon must be the last include file in a .cpp file!!!
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#include <tier0/memdbgon.h>
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using namespace vgui;
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DECLARE_BUILD_FACTORY( Slider );
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static const float NOB_SIZE = 8.0f;
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//-----------------------------------------------------------------------------
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// Purpose: Create a slider bar with ticks underneath it
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//-----------------------------------------------------------------------------
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Slider::Slider(Panel *parent, const char *panelName ) : BaseClass(parent, panelName)
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{
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m_bIsDragOnRepositionNob = false;
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_dragging = false;
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_value = 0;
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_range[0] = 0;
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_range[1] = 0;
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_buttonOffset = 0;
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_sliderBorder = NULL;
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_insetBorder = NULL;
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m_nNumTicks = 10;
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_leftCaption = NULL;
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_rightCaption = NULL;
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_subrange[ 0 ] = 0;
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_subrange[ 1 ] = 0;
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m_bUseSubRange = false;
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m_bInverted = false;
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SetThumbWidth( 8 );
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RecomputeNobPosFromValue();
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AddActionSignalTarget(this);
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SetBlockDragChaining( true );
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}
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// This allows the slider to behave like it's larger than what's actually being drawn
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : bEnable -
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// 0 -
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// 100 -
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//-----------------------------------------------------------------------------
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void Slider::SetSliderThumbSubRange( bool bEnable, int nMin /*= 0*/, int nMax /*= 100*/ )
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{
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m_bUseSubRange = bEnable;
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_subrange[ 0 ] = nMin;
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_subrange[ 1 ] = nMax;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Set the size of the slider bar.
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// Warning less than 30 pixels tall and everything probably won't fit.
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//-----------------------------------------------------------------------------
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void Slider::OnSizeChanged(int wide,int tall)
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{
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BaseClass::OnSizeChanged(wide,tall);
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RecomputeNobPosFromValue();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Set the value of the slider to one of the ticks.
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//-----------------------------------------------------------------------------
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void Slider::SetValue(int value, bool bTriggerChangeMessage)
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{
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int oldValue=_value;
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if ( _range[0] < _range[1] )
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{
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if(value<_range[0])
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{
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value=_range[0];
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}
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if(value>_range[1])
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{
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value=_range[1];
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}
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}
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else
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{
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if(value<_range[1])
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{
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value=_range[1];
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}
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if(value>_range[0])
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{
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value=_range[0];
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}
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}
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_value = value;
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RecomputeNobPosFromValue();
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if (_value != oldValue && bTriggerChangeMessage)
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{
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SendSliderMovedMessage();
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Return the value of the slider
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//-----------------------------------------------------------------------------
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int Slider::GetValue()
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{
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return _value;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Layout the slider before drawing it on screen.
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//-----------------------------------------------------------------------------
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void Slider::PerformLayout()
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{
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BaseClass::PerformLayout();
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RecomputeNobPosFromValue();
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if (_leftCaption)
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{
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_leftCaption->ResizeImageToContent();
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}
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if (_rightCaption)
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{
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_rightCaption->ResizeImageToContent();
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Move the nob on the slider in response to changing its value.
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//-----------------------------------------------------------------------------
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void Slider::RecomputeNobPosFromValue()
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{
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//int wide,tall;
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//GetPaintSize(wide,tall);
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int x, y, wide, tall;
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GetTrackRect( x, y, wide, tall );
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float usevalue = _value;
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int *userange = &_range[ 0 ];
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if ( m_bUseSubRange )
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{
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userange = &_subrange[ 0 ];
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usevalue = clamp( _value, _subrange[ 0 ], _subrange[ 1 ] );
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}
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float fwide=(float)wide;
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float frange=(float)(userange[1] -userange[0]);
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float fvalue=(float)(usevalue -userange[0]);
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float fper = (frange != 0.0f) ? fvalue / frange : 0.0f;
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if ( m_bInverted )
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fper = 1.0f - fper;
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float freepixels = fwide - _nobSize;
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float leftpixel = (float)x;
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float firstpixel = leftpixel + freepixels * fper + 0.5f;
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_nobPos[0]=(int)( firstpixel );
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_nobPos[1]=(int)( firstpixel + _nobSize );
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int rightEdge = x + wide;
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if(_nobPos[1]> rightEdge )
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{
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_nobPos[0]=rightEdge-((int)_nobSize);
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_nobPos[1]=rightEdge;
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}
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Repaint();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Sync the slider's value up with the nob's position.
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//-----------------------------------------------------------------------------
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void Slider::RecomputeValueFromNobPos()
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{
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int value = EstimateValueAtPos( _nobPos[ 0 ], 0 );
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SetValue( value );
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}
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int Slider::EstimateValueAtPos( int localMouseX, int /*localMouseY*/ )
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{
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int x, y, wide, tall;
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GetTrackRect( x, y, wide, tall );
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int *userange = &_range[ 0 ];
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if ( m_bUseSubRange )
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{
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userange = &_subrange[ 0 ];
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}
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float fwide = (float)wide;
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float fvalue = (float)( _value - userange[0] );
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float fnob = (float)( localMouseX - x );
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float freepixels = fwide - _nobSize;
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// Map into reduced range
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fvalue = freepixels != 0.0f ? fnob / freepixels : 0.0f;
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return (int) (RemapVal( fvalue, 0.0, 1.0, userange[0], userange[1] ));
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}
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void Slider::SetInverted( bool bInverted )
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{
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m_bInverted = bInverted;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Send a message to interested parties when the slider moves
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//-----------------------------------------------------------------------------
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void Slider::SendSliderMovedMessage()
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{
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// send a changed message
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KeyValues *pParams = new KeyValues("SliderMoved", "position", _value);
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pParams->SetPtr( "panel", this );
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PostActionSignal( pParams );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Send a message to interested parties when the user begins dragging the slider
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//-----------------------------------------------------------------------------
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void Slider::SendSliderDragStartMessage()
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{
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// send a message
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KeyValues *pParams = new KeyValues("SliderDragStart", "position", _value);
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pParams->SetPtr( "panel", this );
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PostActionSignal( pParams );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Send a message to interested parties when the user ends dragging the slider
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//-----------------------------------------------------------------------------
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void Slider::SendSliderDragEndMessage()
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{
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// send a message
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KeyValues *pParams = new KeyValues("SliderDragEnd", "position", _value);
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pParams->SetPtr( "panel", this );
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PostActionSignal( pParams );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void Slider::ApplySchemeSettings(IScheme *pScheme)
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{
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BaseClass::ApplySchemeSettings(pScheme);
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SetFgColor(GetSchemeColor("Slider.NobColor", pScheme));
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// this line is useful for debugging
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//SetBgColor(GetSchemeColor("0 0 0 255"));
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m_TickColor = pScheme->GetColor( "Slider.TextColor", GetFgColor() );
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m_TrackColor = pScheme->GetColor( "Slider.TrackColor", GetFgColor() );
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#ifdef _X360
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m_DepressedBgColor = GetSchemeColor("Slider.NobFocusColor", pScheme);
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#endif
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m_DisabledTextColor1 = pScheme->GetColor( "Slider.DisabledTextColor1", GetFgColor() );
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m_DisabledTextColor2 = pScheme->GetColor( "Slider.DisabledTextColor2", GetFgColor() );
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_sliderBorder = pScheme->GetBorder("ButtonBorder");
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_insetBorder = pScheme->GetBorder("ButtonDepressedBorder");
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if ( _leftCaption )
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{
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_leftCaption->SetFont(pScheme->GetFont("DefaultVerySmall", IsProportional() ));
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}
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if ( _rightCaption )
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{
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_rightCaption->SetFont(pScheme->GetFont("DefaultVerySmall", IsProportional() ));
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void Slider::GetSettings(KeyValues *outResourceData)
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{
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BaseClass::GetSettings(outResourceData);
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char buf[256];
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if (_leftCaption)
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{
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_leftCaption->GetUnlocalizedText(buf, sizeof(buf));
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outResourceData->SetString("leftText", buf);
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}
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if (_rightCaption)
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{
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_rightCaption->GetUnlocalizedText(buf, sizeof(buf));
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outResourceData->SetString("rightText", buf);
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void Slider::ApplySettings(KeyValues *inResourceData)
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{
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BaseClass::ApplySettings(inResourceData);
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const char *left = inResourceData->GetString("leftText", NULL);
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const char *right = inResourceData->GetString("rightText", NULL);
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int thumbWidth = inResourceData->GetInt("thumbwidth", 0);
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if (thumbWidth != 0)
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{
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SetThumbWidth(thumbWidth);
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}
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SetTickCaptions(left, right);
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int nNumTicks = inResourceData->GetInt( "numTicks", -1 );
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if ( nNumTicks >= 0 )
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{
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SetNumTicks( nNumTicks );
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}
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int nCurrentRange[2];
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GetRange( nCurrentRange[0], nCurrentRange[1] );
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KeyValues *pRangeMin = inResourceData->FindKey( "rangeMin", false );
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KeyValues *pRangeMax = inResourceData->FindKey( "rangeMax", false );
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bool bDoClamp = false;
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if ( pRangeMin )
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{
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_range[0] = inResourceData->GetInt( "rangeMin" );
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bDoClamp = true;
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}
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if ( pRangeMax )
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{
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_range[1] = inResourceData->GetInt( "rangeMax" );
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bDoClamp = true;
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}
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if ( bDoClamp )
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{
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ClampRange();
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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const char *Slider::GetDescription()
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{
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static char buf[1024];
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Q_snprintf(buf, sizeof(buf), "%s, string leftText, string rightText", BaseClass::GetDescription());
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return buf;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Get the rectangle to draw the slider track in.
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//-----------------------------------------------------------------------------
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void Slider::GetTrackRect( int& x, int& y, int& w, int& h )
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{
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int wide, tall;
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GetPaintSize( wide, tall );
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x = 0;
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y = IsProportional() ? scheme()->GetProportionalScaledValue( 8.f ) : 8;;
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w = wide - (int)_nobSize;
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h = IsProportional() ? scheme()->GetProportionalScaledValue( 4.f ) : 4;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Draw everything on screen
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//-----------------------------------------------------------------------------
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void Slider::Paint()
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{
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DrawTicks();
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DrawTickLabels();
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// Draw nob last so it draws over ticks.
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DrawNob();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Draw the ticks below the slider.
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//-----------------------------------------------------------------------------
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void Slider::DrawTicks()
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{
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int x, y;
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int wide,tall;
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GetTrackRect( x, y, wide, tall );
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// Figure out how to draw the ticks
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// GetPaintSize( wide, tall );
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float fwide = (float)wide;
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float freepixels = fwide - _nobSize;
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float leftpixel = _nobSize / 2.0f;
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float pixelspertick = freepixels / ( m_nNumTicks );
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y += (int)_nobSize;
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int tickHeight = 5;
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if (IsEnabled())
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{
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surface()->DrawSetColor( m_TickColor ); //vgui::Color( 127, 140, 127, 255 ) );
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for ( int i = 0; i <= m_nNumTicks; i++ )
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{
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int xpos = (int)( leftpixel + i * pixelspertick );
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surface()->DrawFilledRect( xpos, y, xpos + 1, y + tickHeight );
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}
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}
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else
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{
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surface()->DrawSetColor( m_DisabledTextColor1 ); //vgui::Color( 127, 140, 127, 255 ) );
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for ( int i = 0; i <= m_nNumTicks; i++ )
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{
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int xpos = (int)( leftpixel + i * pixelspertick );
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surface()->DrawFilledRect( xpos+1, y+1, xpos + 2, y + tickHeight + 1 );
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}
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surface()->DrawSetColor( m_DisabledTextColor2 ); //vgui::Color( 127, 140, 127, 255 ) );
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for ( int i = 0; i <= m_nNumTicks; i++ )
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{
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int xpos = (int)( leftpixel + i * pixelspertick );
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surface()->DrawFilledRect( xpos, y, xpos + 1, y + tickHeight );
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}
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Draw Tick labels under the ticks.
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//-----------------------------------------------------------------------------
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void Slider::DrawTickLabels()
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{
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int x, y;
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int wide,tall;
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GetTrackRect( x, y, wide, tall );
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// Figure out how to draw the ticks
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// GetPaintSize( wide, tall );
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y += (int)NOB_SIZE + 4;
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// Draw Start and end range values
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if (IsEnabled())
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surface()->DrawSetTextColor( m_TickColor ); //vgui::Color( 127, 140, 127, 255 ) );
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else
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surface()->DrawSetTextColor( m_DisabledTextColor1 ); //vgui::Color( 127, 140, 127, 255 ) );
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if ( _leftCaption != NULL )
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{
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_leftCaption->SetPos(0, y);
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if (IsEnabled())
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{
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_leftCaption->SetColor( m_TickColor );
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}
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else
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{
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_leftCaption->SetColor( m_DisabledTextColor1 );
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}
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_leftCaption->Paint();
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}
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if ( _rightCaption != NULL)
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{
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int rwide, rtall;
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_rightCaption->GetSize(rwide, rtall);
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_rightCaption->SetPos((int)(wide - rwide) , y);
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if (IsEnabled())
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{
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_rightCaption->SetColor( m_TickColor );
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}
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else
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{
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_rightCaption->SetColor( m_DisabledTextColor1 );
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}
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_rightCaption->Paint();
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Draw the nob part of the slider.
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//-----------------------------------------------------------------------------
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void Slider::DrawNob()
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{
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// horizontal nob
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int x, y;
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int wide,tall;
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GetTrackRect( x, y, wide, tall );
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Color col = GetFgColor();
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#ifdef _X360
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if(HasFocus())
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{
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col = m_DepressedBgColor;
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}
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#endif
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surface()->DrawSetColor(col);
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int nobheight = IsProportional() ? scheme()->GetProportionalScaledValue( 16.f ) : 16.f;
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surface()->DrawFilledRect(
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_nobPos[0],
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y + tall / 2 - nobheight / 2,
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_nobPos[1],
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y + tall / 2 + nobheight / 2);
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// border
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if (_sliderBorder)
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{
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_sliderBorder->Paint(
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_nobPos[0],
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y + tall / 2 - nobheight / 2,
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_nobPos[1],
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y + tall / 2 + nobheight / 2);
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Set the text labels of the Start and end ticks.
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//-----------------------------------------------------------------------------
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void Slider::SetTickCaptions( const char *left, const char *right )
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{
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if (left)
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{
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if (_leftCaption)
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{
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_leftCaption->SetText(left);
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}
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else
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{
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_leftCaption = new TextImage(left);
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}
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}
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if (right)
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{
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if (_rightCaption)
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{
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_rightCaption->SetText(right);
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}
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else
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{
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_rightCaption = new TextImage(right);
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}
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}
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InvalidateLayout();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Set the text labels of the Start and end ticks.
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//-----------------------------------------------------------------------------
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void Slider::SetTickCaptions( const wchar_t *left, const wchar_t *right )
|
|
{
|
|
if (left)
|
|
{
|
|
if (_leftCaption)
|
|
{
|
|
_leftCaption->SetText(left);
|
|
}
|
|
else
|
|
{
|
|
_leftCaption = new TextImage(left);
|
|
}
|
|
}
|
|
if (right)
|
|
{
|
|
if (_rightCaption)
|
|
{
|
|
_rightCaption->SetText(right);
|
|
}
|
|
else
|
|
{
|
|
_rightCaption = new TextImage(right);
|
|
}
|
|
}
|
|
InvalidateLayout();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Draw the slider track
|
|
//-----------------------------------------------------------------------------
|
|
void Slider::PaintBackground()
|
|
{
|
|
BaseClass::PaintBackground();
|
|
|
|
int x, y;
|
|
int wide,tall;
|
|
|
|
GetTrackRect( x, y, wide, tall );
|
|
|
|
surface()->DrawSetColor( m_TrackColor );
|
|
surface()->DrawFilledRect( x, y, x + wide, y + tall );
|
|
if (_insetBorder)
|
|
{
|
|
_insetBorder->Paint( x, y, x + wide, y + tall );
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Set the range of the slider.
|
|
//-----------------------------------------------------------------------------
|
|
void Slider::SetRange(int min,int max)
|
|
{
|
|
_range[0]=min;
|
|
_range[1]=max;
|
|
|
|
ClampRange();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Sanity check and clamp the range if necessary.
|
|
//-----------------------------------------------------------------------------
|
|
void Slider::ClampRange()
|
|
{
|
|
if ( _range[0] < _range[1] )
|
|
{
|
|
if(_value<_range[0])
|
|
{
|
|
SetValue( _range[0], false );
|
|
}
|
|
else if( _value>_range[1])
|
|
{
|
|
SetValue( _range[1], false );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(_value<_range[1])
|
|
{
|
|
SetValue( _range[1], false );
|
|
}
|
|
else if( _value>_range[0])
|
|
{
|
|
SetValue( _range[0], false );
|
|
}
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Get the max and min values of the slider
|
|
//-----------------------------------------------------------------------------
|
|
void Slider::GetRange(int& min,int& max)
|
|
{
|
|
min=_range[0];
|
|
max=_range[1];
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Respond when the cursor is moved in our window if we are clicking
|
|
// and dragging.
|
|
//-----------------------------------------------------------------------------
|
|
void Slider::OnCursorMoved(int x,int y)
|
|
{
|
|
if(!_dragging)
|
|
{
|
|
return;
|
|
}
|
|
|
|
// input()->GetCursorPos(x,y);
|
|
input()->GetCursorPosition( x, y );
|
|
ScreenToLocal(x,y);
|
|
|
|
// int wide,tall;
|
|
// GetPaintSize(wide,tall);
|
|
int _x, _y, wide, tall;
|
|
GetTrackRect( _x, _y, wide, tall );
|
|
|
|
_nobPos[0]=_nobDragStartPos[0]+(x-_dragStartPos[0]);
|
|
_nobPos[1]=_nobDragStartPos[1]+(x-_dragStartPos[0]);
|
|
|
|
int rightEdge = _x +wide;
|
|
int unclamped = _nobPos[ 0 ];
|
|
|
|
if(_nobPos[1]>rightEdge)
|
|
{
|
|
_nobPos[0]=rightEdge-(_nobPos[1]-_nobPos[0]);
|
|
_nobPos[1]=rightEdge;
|
|
}
|
|
|
|
if(_nobPos[0]<_x)
|
|
{
|
|
int offset = _x - _nobPos[0];
|
|
_nobPos[1]=_nobPos[1]-offset;
|
|
_nobPos[0]=0;
|
|
}
|
|
|
|
int value = EstimateValueAtPos( unclamped, 0 );
|
|
SetValue( value );
|
|
|
|
// RecomputeValueFromNobPos();
|
|
Repaint();
|
|
SendSliderMovedMessage();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: If you click on the slider outside of the nob, the nob jumps
|
|
// to the click position, and if this setting is enabled, the nob
|
|
// is then draggable from the new position until the mouse is released
|
|
// Input : state -
|
|
//-----------------------------------------------------------------------------
|
|
void Slider::SetDragOnRepositionNob( bool state )
|
|
{
|
|
m_bIsDragOnRepositionNob = state;
|
|
}
|
|
|
|
bool Slider::IsDragOnRepositionNob() const
|
|
{
|
|
return m_bIsDragOnRepositionNob;
|
|
}
|
|
|
|
bool Slider::IsDragged( void ) const
|
|
{
|
|
return _dragging;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Respond to mouse presses. Trigger Record staring positon.
|
|
//-----------------------------------------------------------------------------
|
|
void Slider::OnMousePressed(MouseCode code)
|
|
{
|
|
int x,y;
|
|
|
|
if (!IsEnabled())
|
|
return;
|
|
|
|
// input()->GetCursorPos(x,y);
|
|
input()->GetCursorPosition( x, y );
|
|
|
|
ScreenToLocal(x,y);
|
|
RequestFocus();
|
|
|
|
bool startdragging = false, bPostDragStartSignal = false;
|
|
|
|
if ((x >= _nobPos[0]) && (x < _nobPos[1]))
|
|
{
|
|
startdragging = true;
|
|
bPostDragStartSignal = true;
|
|
}
|
|
else
|
|
{
|
|
// we clicked elsewhere on the slider; move the nob to that position
|
|
int min, max;
|
|
GetRange(min, max);
|
|
if ( m_bUseSubRange )
|
|
{
|
|
min = _subrange[ 0 ];
|
|
max = _subrange[ 1 ];
|
|
}
|
|
|
|
// int wide = GetWide();
|
|
int _x, _y, wide, tall;
|
|
GetTrackRect( _x, _y, wide, tall );
|
|
if ( wide > 0 )
|
|
{
|
|
float frange = ( float )( max - min );
|
|
float clickFrac = clamp( ( float )( x - _x ) / (float)( wide - 1 ), 0.0f, 1.0f );
|
|
|
|
float value = (float)min + clickFrac * frange;
|
|
|
|
startdragging = IsDragOnRepositionNob();
|
|
|
|
if ( startdragging )
|
|
{
|
|
_dragging = true; // Required when as
|
|
SendSliderDragStartMessage();
|
|
}
|
|
|
|
SetValue( ( int )( value + 0.5f ) );
|
|
}
|
|
}
|
|
|
|
if ( startdragging )
|
|
{
|
|
// drag the nob
|
|
_dragging = true;
|
|
input()->SetMouseCapture(GetVPanel());
|
|
_nobDragStartPos[0] = _nobPos[0];
|
|
_nobDragStartPos[1] = _nobPos[1];
|
|
_dragStartPos[0] = x;
|
|
_dragStartPos[1] = y;
|
|
}
|
|
|
|
if ( bPostDragStartSignal )
|
|
SendSliderDragStartMessage();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Just handle double presses like mouse presses
|
|
//-----------------------------------------------------------------------------
|
|
void Slider::OnMouseDoublePressed(MouseCode code)
|
|
{
|
|
OnMousePressed(code);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
//-----------------------------------------------------------------------------
|
|
#ifdef _X360
|
|
void Slider::OnKeyCodePressed(KeyCode code)
|
|
{
|
|
switch ( GetBaseButtonCode( code ) )
|
|
{
|
|
case KEY_XBUTTON_LEFT:
|
|
case KEY_XSTICK1_LEFT:
|
|
case KEY_XSTICK2_LEFT:
|
|
SetValue(GetValue() - 1);
|
|
break;
|
|
case KEY_XBUTTON_RIGHT:
|
|
case KEY_XSTICK1_RIGHT:
|
|
case KEY_XSTICK2_RIGHT:
|
|
SetValue(GetValue() + 1);
|
|
break;
|
|
default:
|
|
BaseClass::OnKeyCodePressed(code);
|
|
break;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Handle key presses
|
|
//-----------------------------------------------------------------------------
|
|
void Slider::OnKeyCodeTyped(KeyCode code)
|
|
{
|
|
switch (code)
|
|
{
|
|
// for now left and right arrows just open or close submenus if they are there.
|
|
case KEY_LEFT:
|
|
case KEY_DOWN:
|
|
{
|
|
int val = GetValue();
|
|
SetValue(val-1);
|
|
break;
|
|
}
|
|
case KEY_RIGHT:
|
|
case KEY_UP:
|
|
{
|
|
int val = GetValue();
|
|
SetValue(val+1);
|
|
break;
|
|
}
|
|
case KEY_PAGEDOWN:
|
|
{
|
|
int min, max;
|
|
GetRange(min, max);
|
|
float range = (float) max-min;
|
|
float pertick = range/m_nNumTicks;
|
|
int val = GetValue();
|
|
SetValue(val - (int) pertick);
|
|
break;
|
|
}
|
|
case KEY_PAGEUP:
|
|
{
|
|
int min, max;
|
|
GetRange(min, max);
|
|
float range = (float) max-min;
|
|
float pertick = range/m_nNumTicks;
|
|
int val = GetValue();
|
|
SetValue(val + (int) pertick);
|
|
break;
|
|
}
|
|
case KEY_HOME:
|
|
{
|
|
int min, max;
|
|
GetRange(min, max);
|
|
SetValue(min);
|
|
break;
|
|
}
|
|
case KEY_END:
|
|
{
|
|
int min, max;
|
|
GetRange(min, max);
|
|
SetValue(max);
|
|
break;
|
|
}
|
|
default:
|
|
BaseClass::OnKeyCodeTyped(code);
|
|
break;
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Stop dragging when the mouse is released.
|
|
//-----------------------------------------------------------------------------
|
|
void Slider::OnMouseReleased(MouseCode code)
|
|
{
|
|
if ( _dragging )
|
|
{
|
|
_dragging=false;
|
|
input()->SetMouseCapture(null);
|
|
}
|
|
|
|
if ( IsEnabled() )
|
|
{
|
|
SendSliderDragEndMessage();
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Get the nob's position (the ends of each side of the nob)
|
|
//-----------------------------------------------------------------------------
|
|
void Slider::GetNobPos(int& min, int& max)
|
|
{
|
|
min=_nobPos[0];
|
|
max=_nobPos[1];
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
//-----------------------------------------------------------------------------
|
|
void Slider::SetButtonOffset(int buttonOffset)
|
|
{
|
|
_buttonOffset=buttonOffset;
|
|
}
|
|
|
|
void Slider::SetThumbWidth( int width )
|
|
{
|
|
_nobSize = IsProportional() ? scheme()->GetProportionalScaledValue( (float)width) : (float)width;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Set the number of ticks that appear under the slider.
|
|
//-----------------------------------------------------------------------------
|
|
void Slider::SetNumTicks( int ticks )
|
|
{
|
|
m_nNumTicks = ticks;
|
|
}
|