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Diffstat (limited to 'public/dme_controls/attributeslider.h')
| -rw-r--r-- | public/dme_controls/attributeslider.h | 284 |
1 files changed, 284 insertions, 0 deletions
diff --git a/public/dme_controls/attributeslider.h b/public/dme_controls/attributeslider.h new file mode 100644 index 0000000..1f68dbf --- /dev/null +++ b/public/dme_controls/attributeslider.h @@ -0,0 +1,284 @@ +//========= Copyright Valve Corporation, All rights reserved. ============// +// +// Purpose: +// +//============================================================================= + +#ifndef ATTRIBUTESLIDER_H +#define ATTRIBUTESLIDER_H +#ifdef _WIN32 +#pragma once +#endif + +#include "vgui_controls/EditablePanel.h" +#include "dme_controls/AnimSetAttributeValue.h" +#include "materialsystem/MaterialSystemUtil.h" +#include "datamodel/dmehandle.h" + +using namespace vgui; + + +//----------------------------------------------------------------------------- +// Forward declarations +//----------------------------------------------------------------------------- +class CBaseAnimSetAttributeSliderPanel; +class CDmElement; +class CAttributeSliderTextEntry; +class CSubRectImage; + + +//----------------------------------------------------------------------------- +// CAttributeSlider +//----------------------------------------------------------------------------- + +// THIS CODE IS KIND OF A MESS WRT THE VARIOUS STATES WE CAN BE IN: +// we can be driven by the preset pane or by dragging on any individual control +// we can also be driven by ctrl hovering over the preset pane or an individual control +// if we move from control to control in the preset or here, we need to be able to decay into/out of the various individual sliders +class CAttributeSlider : public EditablePanel +{ + DECLARE_CLASS_SIMPLE( CAttributeSlider, EditablePanel ); + + // Overridden methods of EditablePanel +public: + virtual void Paint(); + virtual void PaintBackground(); + virtual void ApplySchemeSettings( IScheme *scheme ); + virtual void PerformLayout(); + virtual void OnCursorMoved(int x, int y); + virtual void OnMousePressed(MouseCode code); + virtual void OnMouseDoublePressed(MouseCode code); + virtual void OnMouseReleased(MouseCode code); + virtual void OnCursorEntered(); + virtual void OnCursorExited(); + virtual void OnKeyCodeTyped( KeyCode code ); + + // Other public methods +public: + CAttributeSlider( CBaseAnimSetAttributeSliderPanel *parent, const char *panelName, CDmElement *control ); + virtual ~CAttributeSlider(); + + // Returns the control we're modifying + CDmElement *GetControl(); + + // Activates/deactivates a slider control + // NOTE: Slider control 'value' defaults to active, 'balance' and 'multilevel' defaults to inactive + void ActivateControl( AnimationControlType_t type, bool bActive ); + bool IsControlActive( AnimationControlType_t type ); + + // Gets/sets the slider value. + // NOTE: This may not match the value pushed into the control because of fading + void SetValue( AnimationControlType_t type, float flValue ); + float GetValue( AnimationControlType_t type ) const; + void SetValue( const AttributeValue_t& value ); + const AttributeValue_t& GetValue() const; + + // Is this slider manipulating a transform control? + // [NOTE: This is a utility method; the control contains these states] + bool IsTransform() const; + + // Returns the default value for a control + // [NOTE: These is a utility method; the control contains these states] + float GetControlDefaultValue( AnimationControlType_t type ) const; + + // Are we dragging? If so, what control is being dragged? + bool IsDragging() const; + AnimationControlType_t GetDragControl() const; + + // Are we in text entry mode? If so, what control is having text entered? + bool IsInTextEntry() const; + AnimationControlType_t GetTextEntryControl() const; + + // Estimates the value of the control given a local coordinate + float EstimateValueAtPos( int nLocalX, int nLocalY ) const; + + void SetPreview( const AttributeValue_t &value, const AttributeValue_t &full, bool instantaneous, bool startfromcurrent ); + float GetPreview( AnimationControlType_t type ) const; + const AttributeValue_t &GetPreview() const; + + void EnablePreview( bool state, bool simple, bool faderdrag ); + bool IsPreviewEnabled() const; + bool IsSimplePreview() const; + + void UpdateTime( float dt ); + void UpdateFaderAmount( float amount ); + + bool IsRampingTowardPreview() const; + void RampDown(); + + bool IsFaderBeingDragged(); + + void SetIsLogPreviewControl( bool state ); + + void SetSelected( bool state ); + bool IsSelected() const; + +private: + // Various slider modes + enum SliderMode_t + { + SLIDER_MODE_FIRST_DRAG_MODE = 0x0, + SLIDER_MODE_FIRST_TEXT_MODE = 0x4, + SLIDER_MODE_LAST_DRAG_MODE = SLIDER_MODE_FIRST_DRAG_MODE + ANIM_CONTROL_COUNT - 1, + SLIDER_MODE_LAST_TEXT_MODE = SLIDER_MODE_FIRST_TEXT_MODE + ANIM_CONTROL_COUNT - 1, + + SLIDER_MODE_NONE = -1, + + SLIDER_MODE_DRAG_VALUE = SLIDER_MODE_FIRST_DRAG_MODE + ANIM_CONTROL_VALUE, + SLIDER_MODE_DRAG_BALANCE = SLIDER_MODE_FIRST_DRAG_MODE + ANIM_CONTROL_BALANCE, + SLIDER_MODE_DRAG_MULTILEVEL = SLIDER_MODE_FIRST_DRAG_MODE + ANIM_CONTROL_MULTILEVEL, + + SLIDER_MODE_TEXT_VALUE = SLIDER_MODE_FIRST_TEXT_MODE + ANIM_CONTROL_VALUE, + SLIDER_MODE_TEXT_BALANCE = SLIDER_MODE_FIRST_TEXT_MODE + ANIM_CONTROL_BALANCE, + SLIDER_MODE_TEXT_MULTILEVEL = SLIDER_MODE_FIRST_TEXT_MODE + ANIM_CONTROL_MULTILEVEL, + }; + + struct Preview_t + { + AttributeValue_t m_Current; + AttributeValue_t m_Full; + }; + +private: + // Returns the location of a particular control + void GetControlRect( Rect_t *pRect, AnimationControlType_t type ) const; + + // Given a mouse position in (x,y) in local coordinates, which animation control is it over? + AnimationControlType_t DetermineControl( int x, int y ); + + // Draws a tick on a circular control + void DrawCircularTick( const Color& clr, float flValue, int nCenterX, int nCenterY, float flRadius ); + + // Draws a preview of a circular control + void DrawCircularPreview( AnimationControlType_t type, bool bMainTick, float flRadius ); + + // Paints the a circular control + void PaintCircularControl( float flValue, const Rect_t& rect ); + + // Called by the text entry code to enter the value into the logs + void StampValueIntoLogs( AnimationControlType_t type, float flValue ); + + // Methods related to rendering + void DrawMidpoint( int x, int ty, int ttall ); + void DrawPreviewTick( bool mainTick ); + void DrawTick( const Color& clr, float frac, int width, int inset ); + void DrawNameLabel(); + void DrawValueLabel( float flValue ); + float GetPreviewAlphaScale() const; + + // Methods related to text entry mode + void EnterTextEntryMode( AnimationControlType_t type, bool bRelatchValues ); + void AcceptTextEntryValue(); + void DiscardTextEntryValue(); + +private: + CBaseAnimSetAttributeSliderPanel *m_pParent; + TextImage *m_pName; + TextImage *m_pValues[ 3 ]; + CSubRectImage *m_pCircleImage; // The background for the balance + multilevel controls + + // This is the control we're modifying + CDmeHandle< CDmElement > m_hControl; + + // White material used for drawing non-textured things + CMaterialReference m_pWhite; + + // The current mode of the slider + SliderMode_t m_SliderMode; + + // The slider value; it may not match the control attribute value due to blending + AttributeValue_t m_Control; + + // Is the slider control active? + bool m_bIsControlActive[ANIM_CONTROL_COUNT]; + + // Info used when in text entry mode + AttributeValue_t m_InitialTextEntryValue; + CAttributeSliderTextEntry *m_pTextField; // if this is a stereo control, then this will be the left text field + CAttributeSliderTextEntry *m_pRightTextField; + + Preview_t m_Next; + Preview_t m_Previous; + Preview_t m_Preview; + float m_flPreviewGoalTime; + float m_flFaderAmount; + + // Fields used to help with drag + int m_nDragStartPosition[2]; // Where was the mouse clicked? + int m_nAccum[2]; // What's the total mouse movement during the drag? + float m_flDragStartValue; // What was the value of the slider before the drag started? + float m_flDragStartBalance; // What was the balance of the slider before the drag started? + + bool m_bCursorInsidePanel : 1; // Used to + bool m_bRampUp : 1; + bool m_bPreviewEnabled : 1; + bool m_bSimplePreviewOnly : 1; + bool m_bFaderBeingDragged : 1; + bool m_bIsLogPreviewControl : 1; + bool m_bTransform : 1; + bool m_bSelected : 1; + + friend class CAttributeSliderTextEntry; +}; + + +//----------------------------------------------------------------------------- +// Inline methods +//----------------------------------------------------------------------------- + +//----------------------------------------------------------------------------- +// Returns the control +//----------------------------------------------------------------------------- +inline CDmElement *CAttributeSlider::GetControl() +{ + return m_hControl; +} + + +//----------------------------------------------------------------------------- +// Returns information about the control +//----------------------------------------------------------------------------- +inline bool CAttributeSlider::IsTransform() const +{ + // NOTE: We may well not wish to cache this off in the constructor. + // It's done purely for efficiency reasons. + // Uncomment the line to make it read from the control. + // return m_hControl->GetValue< bool >( "transform" ) + return m_bTransform; +} + + +//----------------------------------------------------------------------------- +// Are we dragging? +//----------------------------------------------------------------------------- +inline bool CAttributeSlider::IsDragging() const +{ + COMPILE_TIME_ASSERT( ANIM_CONTROL_COUNT < 4 ); + return ( m_SliderMode >= SLIDER_MODE_FIRST_DRAG_MODE && m_SliderMode <= SLIDER_MODE_LAST_DRAG_MODE ); +} + +inline AnimationControlType_t CAttributeSlider::GetDragControl() const +{ + if ( IsDragging() ) + return (AnimationControlType_t)( m_SliderMode - SLIDER_MODE_FIRST_DRAG_MODE ); + return ANIM_CONTROL_INVALID; +} + + +//----------------------------------------------------------------------------- +// Are we in text entry mode? +//----------------------------------------------------------------------------- +inline bool CAttributeSlider::IsInTextEntry() const +{ + COMPILE_TIME_ASSERT( ANIM_CONTROL_COUNT < 4 ); + return ( m_SliderMode >= SLIDER_MODE_FIRST_TEXT_MODE && m_SliderMode <= SLIDER_MODE_LAST_TEXT_MODE ); +} + +inline AnimationControlType_t CAttributeSlider::GetTextEntryControl() const +{ + if ( IsInTextEntry() ) + return (AnimationControlType_t)( m_SliderMode - SLIDER_MODE_FIRST_TEXT_MODE ); + return ANIM_CONTROL_INVALID; +} + +#endif // ATTRIBUTESLIDER_H |