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66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
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// PolygonButton.h
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// Copyright (c) 2006 Turtle Rock Studios, Inc.
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#ifndef POLYGON_BUTTON_H
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#define POLYGON_BUTTON_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include <vgui_controls/button.h>
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#include <vgui/isurface.h>
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//--------------------------------------------------------------------------------------------------------
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/**
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* Button class that clips its visible bounds to an concave polygon (defined counter-clockwise).
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* An optional second hotspot can be defined for capturing mouse input outside of the visible hotspot.
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*/
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class CPolygonButton : public vgui::Button
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{
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DECLARE_CLASS_SIMPLE( CPolygonButton, vgui::Button );
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public:
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CPolygonButton( vgui::Panel *parent, const char *panelName );
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virtual void ApplySettings( KeyValues *data );
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/**
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* Clip out cursor positions inside our overall rectangle that are outside our hotspot.
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*/
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virtual vgui::VPANEL IsWithinTraverse( int x, int y, bool traversePopups );
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/**
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* Perform the standard layout, and scale our hotspot points - they are specified as a 0..1 percentage
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* of the button's full size.
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*/
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virtual void PerformLayout( void );
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/**
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* Center the text in the extent that encompasses our hotspot.
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* TODO: allow the res file and/or the individual menu to specify a different center for text.
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*/
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virtual void ComputeAlignment( int &tx0, int &ty0, int &tx1, int &ty1 );
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virtual void PaintBackground( void );
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virtual void PaintBorder( void );
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virtual void ApplySchemeSettings( vgui::IScheme *scheme );
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virtual void UpdateHotspots( KeyValues *data );
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protected:
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int m_nWhiteMaterial;
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CUtlVector< Vector2D > m_unscaledHotspotPoints;
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CUtlVector< Vector2D > m_unscaledVisibleHotspotPoints;
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vgui::Vertex_t *m_hotspotPoints;
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int m_numHotspotPoints;
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vgui::Vertex_t *m_visibleHotspotPoints;
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int m_numVisibleHotspotPoints;
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Vector2D m_hotspotMins;
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Vector2D m_hotspotMaxs;
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};
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#endif // POLYGON_BUTTON_H
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