1

public/vgui_controls/ExpandButton.h

@@ -0,0 +1,61 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: A button with no borders that shows a left-pointing or down-pointing triangle
+//
+// $NoKeywords: $
+//===========================================================================//
+
+#ifndef EXPANDBUTTON_H
+#define EXPANDBUTTON_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include <vgui/VGUI.h>
+#include <vgui_controls/ToggleButton.h>
+
+
+namespace vgui
+{
+
+//-----------------------------------------------------------------------------
+// Purpose: A button with no borders that shows a left-pointing or down-pointing arrow
+//-----------------------------------------------------------------------------
+class ExpandButton : public ToggleButton
+{
+	DECLARE_CLASS_SIMPLE( ExpandButton, ToggleButton );
+
+public:
+	ExpandButton( Panel *parent, const char *panelName );
+	~ExpandButton();
+
+	// Expand the button (selected == expanded)
+	virtual void SetSelected( bool bExpand );
+
+	// sets whether or not the state of the check can be changed
+	// if this is set to false, then no input in the code or by the user can change it's state
+	void SetExpandable(bool state);
+
+	virtual void Paint();
+
+protected:
+	virtual void ApplySchemeSettings(IScheme *pScheme);
+	MESSAGE_FUNC_PTR( OnExpanded, "Expanded", panel );
+
+	virtual IBorder *GetBorder(bool depressed, bool armed, bool selected, bool keyfocus);
+
+	/* MESSAGES SENT
+		"Expanded" - sent when the expand button state is changed
+			"state"	- button state: 1 is expanded, 0 is unexpanded
+	*/
+
+private:
+	bool m_bExpandable;
+	HFont m_hFont;
+	Color m_Color;
+};
+
+} // namespace vgui
+
+#endif // EXPANDBUTTON_H