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954 lines
24 KiB
954 lines
24 KiB
//========= 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 = 8; |
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w = wide - (int)_nobSize; |
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h = 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 = 16; |
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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 ) |
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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: Draw the slider track |
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//----------------------------------------------------------------------------- |
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void Slider::PaintBackground() |
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{ |
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BaseClass::PaintBackground(); |
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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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surface()->DrawSetColor( m_TrackColor ); |
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surface()->DrawFilledRect( x, y, x + wide, y + tall ); |
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if (_insetBorder) |
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{ |
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_insetBorder->Paint( x, y, x + wide, y + tall ); |
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} |
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} |
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//----------------------------------------------------------------------------- |
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// Purpose: Set the range of the slider. |
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//----------------------------------------------------------------------------- |
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void Slider::SetRange(int min,int max) |
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{ |
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_range[0]=min; |
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_range[1]=max; |
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ClampRange(); |
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} |
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//----------------------------------------------------------------------------- |
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// Purpose: Sanity check and clamp the range if necessary. |
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//----------------------------------------------------------------------------- |
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void Slider::ClampRange() |
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{ |
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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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SetValue( _range[0], false ); |
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} |
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else if( _value>_range[1]) |
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{ |
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SetValue( _range[1], false ); |
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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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SetValue( _range[1], false ); |
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} |
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else if( _value>_range[0]) |
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{ |
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SetValue( _range[0], false ); |
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} |
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} |
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} |
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//----------------------------------------------------------------------------- |
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// Purpose: Get the max and min values of the slider |
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//----------------------------------------------------------------------------- |
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void Slider::GetRange(int& min,int& max) |
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{ |
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min=_range[0]; |
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max=_range[1]; |
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} |
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|
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//----------------------------------------------------------------------------- |
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// Purpose: Respond when the cursor is moved in our window if we are clicking |
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// and dragging. |
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//----------------------------------------------------------------------------- |
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void Slider::OnCursorMoved(int x,int y) |
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{ |
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if(!_dragging) |
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{ |
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return; |
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} |
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|
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// input()->GetCursorPos(x,y); |
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input()->GetCursorPosition( x, y ); |
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ScreenToLocal(x,y); |
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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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_nobPos[0]=_nobDragStartPos[0]+(x-_dragStartPos[0]); |
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_nobPos[1]=_nobDragStartPos[1]+(x-_dragStartPos[0]); |
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|
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int rightEdge = _x +wide; |
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int unclamped = _nobPos[ 0 ]; |
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|
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if(_nobPos[1]>rightEdge) |
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{ |
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_nobPos[0]=rightEdge-(_nobPos[1]-_nobPos[0]); |
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_nobPos[1]=rightEdge; |
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} |
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|
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if(_nobPos[0]<_x) |
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{ |
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int offset = _x - _nobPos[0]; |
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_nobPos[1]=_nobPos[1]-offset; |
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_nobPos[0]=0; |
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} |
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int value = EstimateValueAtPos( unclamped, 0 ); |
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SetValue( value ); |
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// RecomputeValueFromNobPos(); |
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Repaint(); |
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SendSliderMovedMessage(); |
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} |
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//----------------------------------------------------------------------------- |
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// Purpose: If you click on the slider outside of the nob, the nob jumps |
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// to the click position, and if this setting is enabled, the nob |
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// is then draggable from the new position until the mouse is released |
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// Input : state - |
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//----------------------------------------------------------------------------- |
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void Slider::SetDragOnRepositionNob( bool state ) |
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{ |
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m_bIsDragOnRepositionNob = state; |
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} |
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bool Slider::IsDragOnRepositionNob() const |
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{ |
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return m_bIsDragOnRepositionNob; |
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} |
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|
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bool Slider::IsDragged( void ) const |
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{ |
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return _dragging; |
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} |
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|
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//----------------------------------------------------------------------------- |
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// Purpose: Respond to mouse presses. Trigger Record staring positon. |
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//----------------------------------------------------------------------------- |
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void Slider::OnMousePressed(MouseCode code) |
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{ |
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int x,y; |
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|
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if (!IsEnabled()) |
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return; |
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|
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// input()->GetCursorPos(x,y); |
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input()->GetCursorPosition( x, y ); |
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|
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ScreenToLocal(x,y); |
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RequestFocus(); |
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|
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bool startdragging = false, bPostDragStartSignal = false; |
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|
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if ((x >= _nobPos[0]) && (x < _nobPos[1])) |
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{ |
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startdragging = true; |
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bPostDragStartSignal = true; |
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} |
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else |
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{ |
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// we clicked elsewhere on the slider; move the nob to that position |
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int min, max; |
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GetRange(min, max); |
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if ( m_bUseSubRange ) |
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{ |
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min = _subrange[ 0 ]; |
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max = _subrange[ 1 ]; |
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} |
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|
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// int wide = GetWide(); |
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int _x, _y, wide, tall; |
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GetTrackRect( _x, _y, wide, tall ); |
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if ( wide > 0 ) |
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{ |
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float frange = ( float )( max - min ); |
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float clickFrac = clamp( ( float )( x - _x ) / (float)( wide - 1 ), 0.0f, 1.0f ); |
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|
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float value = (float)min + clickFrac * frange; |
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|
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startdragging = IsDragOnRepositionNob(); |
|
|
|
if ( startdragging ) |
|
{ |
|
_dragging = true; // Required when as |
|
SendSliderDragStartMessage(); |
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} |
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|
|
SetValue( ( int )( value + 0.5f ) ); |
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} |
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} |
|
|
|
if ( startdragging ) |
|
{ |
|
// drag the nob |
|
_dragging = true; |
|
input()->SetMouseCapture(GetVPanel()); |
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_nobDragStartPos[0] = _nobPos[0]; |
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_nobDragStartPos[1] = _nobPos[1]; |
|
_dragStartPos[0] = x; |
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_dragStartPos[1] = y; |
|
} |
|
|
|
if ( bPostDragStartSignal ) |
|
SendSliderDragStartMessage(); |
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} |
|
|
|
//----------------------------------------------------------------------------- |
|
// 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 = (float)width; |
|
} |
|
|
|
|
|
//----------------------------------------------------------------------------- |
|
// Purpose: Set the number of ticks that appear under the slider. |
|
//----------------------------------------------------------------------------- |
|
void Slider::SetNumTicks( int ticks ) |
|
{ |
|
m_nNumTicks = ticks; |
|
}
|
|
|