127 lines
4.0 KiB
C++
127 lines
4.0 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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#ifndef SLIDER_H
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#define SLIDER_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include <vgui/VGUI.h>
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#include <vgui_controls/Panel.h>
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namespace vgui {
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//-----------------------------------------------------------------------------
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// Labeled horizontal slider
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//-----------------------------------------------------------------------------
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class Slider : public Panel {
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DECLARE_CLASS_SIMPLE(Slider, Panel);
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public:
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Slider(Panel *parent, const char *panelName);
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// interface
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virtual void SetValue(int value, bool bTriggerChangeMessage = true);
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virtual int GetValue();
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virtual void SetRange(
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int min, int max); // set to max and min range of rows to display
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virtual void GetRange(int &min, int &max);
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virtual void GetNobPos(int &min, int &max); // get current Slider position
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virtual void SetButtonOffset(int buttonOffset);
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virtual void OnCursorMoved(int x, int y);
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virtual void OnMousePressed(MouseCode code);
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virtual void OnMouseDoublePressed(MouseCode code);
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virtual void OnMouseReleased(MouseCode code);
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virtual void SetTickCaptions(const wchar_t *left, const wchar_t *right);
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virtual void SetTickCaptions(const char *left, const char *right);
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virtual void SetNumTicks(int ticks);
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virtual void SetThumbWidth(int width);
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virtual int EstimateValueAtPos(int localMouseX, int localMouseY);
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virtual void SetInverted(bool bInverted);
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// 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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virtual void SetDragOnRepositionNob(bool state);
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virtual bool IsDragOnRepositionNob() const;
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// Get if the slider nob is being dragged by user, usually the application
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// should refuse from forcefully setting slider value if it is being dragged
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// by user since the next frame the nob will pop back to mouse position
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virtual bool IsDragged(void) const;
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// This allows the slider to behave like it's larger than what's actually
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// being drawn
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virtual void SetSliderThumbSubRange(bool bEnable, int nMin = 0,
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int nMax = 100);
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protected:
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virtual void OnSizeChanged(int wide, int tall);
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virtual void Paint();
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virtual void PaintBackground();
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virtual void PerformLayout();
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virtual void ApplySchemeSettings(IScheme *pScheme);
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virtual void GetSettings(KeyValues *outResourceData);
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virtual void ApplySettings(KeyValues *inResourceData);
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virtual const char *GetDescription();
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#ifdef _X360
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virtual void OnKeyCodePressed(ButtonCode_t code);
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#endif
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virtual void OnKeyCodeTyped(ButtonCode_t code);
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virtual void DrawNob();
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virtual void DrawTicks();
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virtual void DrawTickLabels();
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virtual void GetTrackRect(int &x, int &y, int &w, int &h);
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protected:
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virtual void RecomputeNobPosFromValue();
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virtual void RecomputeValueFromNobPos();
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virtual void SendSliderMovedMessage();
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virtual void SendSliderDragStartMessage();
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virtual void SendSliderDragEndMessage();
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void ClampRange();
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bool _dragging;
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int _nobPos[2];
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int _nobDragStartPos[2];
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int _dragStartPos[2];
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int _range[2];
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int _subrange[2];
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int _value; // the position of the Slider, in coordinates as specified by
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// SetRange/SetRangeWindow
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int _buttonOffset;
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IBorder *_sliderBorder;
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IBorder *_insetBorder;
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float _nobSize;
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TextImage *_leftCaption;
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TextImage *_rightCaption;
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Color m_TickColor;
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Color m_TrackColor;
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Color m_DisabledTextColor1;
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Color m_DisabledTextColor2;
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#ifdef _X360
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Color m_DepressedBgColor;
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#endif
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int m_nNumTicks;
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bool m_bIsDragOnRepositionNob : 1;
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bool m_bUseSubRange : 1;
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bool m_bInverted : 1;
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};
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} // namespace vgui
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#endif // SLIDER_H
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