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utils/vgui_panel_zoo/RadioButtonDemo.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "DemoPage.h"
+
+#include <VGUI/IVGui.h>
+#include <Keyvalues.h>
+#include <vgui_controls/Controls.h>
+
+#include <vgui_controls/RadioButton.h>
+
+
+using namespace vgui;
+
+
+class RadioButtonDemo: public DemoPage
+{
+	public:
+		RadioButtonDemo(Panel *parent, const char *name);
+		~RadioButtonDemo();
+
+		void OnRadioButtonHit();
+
+	
+	private:
+		RadioButton *m_pRadioButton1;
+		RadioButton *m_pRadioButton2;
+
+		DECLARE_PANELMAP();
+};
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructor
+//-----------------------------------------------------------------------------
+RadioButtonDemo::RadioButtonDemo(Panel *parent, const char *name) : DemoPage(parent, name)
+{
+	// Radio buttons are a little dot circle with a label attached.
+	// You can have only one radio button selected at a time.
+	// Other radio buttons will become deselected.
+
+	// Create a radio button.
+	m_pRadioButton1 = new RadioButton(this, "ARadioButton", "ClickMe");
+
+	// Set its position.
+	m_pRadioButton1->SetPos(100, 100);
+
+	// A little label for our button
+	m_pRadioButton1->SetText("Click the radio button!");
+
+	// Size the label so the message fits nicely.
+	m_pRadioButton1->SizeToContents();
+
+	// Radio buttons are Buttons, and can send a command when clicked.
+    // Install a command to be sent when the box is checked or unchecked
+	m_pRadioButton1->SetCommand(new KeyValues("Radio1"));
+
+	// Radio buttons are grouped together by tab position sub tab position
+	// determines the order to move through the buttons when arrow keys are hit
+	m_pRadioButton1->SetSubTabPosition(0);
+
+
+	// Create another radio button.
+	m_pRadioButton2 = new RadioButton(this, "AnotherRadioButton", "ClickMe");
+
+	// Set its position.
+	m_pRadioButton2->SetPos(100, 120);
+
+	// A little label for our button
+	m_pRadioButton2->SetText("Click the other radio button!");
+
+	// Size the label so the message fits nicely.
+	m_pRadioButton2->SizeToContents();
+
+	// Start the button off checked. Its unchecked by default.
+	m_pRadioButton2->SetSelected(true);
+
+	m_pRadioButton1->SetSubTabPosition(1);
+
+    // Don't install a command to be sent when the box is checked or unchecked,
+	// Because all buttons respons when a new one is checked (they uncheck themselves if checked)
+	// In this case when a button is selected a RadioButtonChecked message gets sent
+
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Destructor
+//-----------------------------------------------------------------------------
+RadioButtonDemo::~RadioButtonDemo()
+{
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:	 Respond to a message based action signal
+//-----------------------------------------------------------------------------
+void RadioButtonDemo::OnRadioButtonHit()
+{
+   	if (m_pRadioButton1->IsSelected())
+	{
+		ivgui()->DPrintf("Radio button one is checked.\n"); 
+	}
+	else
+	{
+		ivgui()->DPrintf("Radio button one is unchecked.\n"); 
+	}
+	
+	if (m_pRadioButton2->IsSelected())
+	{
+		ivgui()->DPrintf("Radio button two is checked.\n"); 
+	}
+	else
+	{
+		ivgui()->DPrintf("Radio button two is unchecked.\n"); 
+	}
+}
+
+
+
+MessageMapItem_t RadioButtonDemo::m_MessageMap[] =
+{
+	MAP_MESSAGE( RadioButtonDemo, "RadioButtonChecked", OnRadioButtonHit ),
+};
+
+IMPLEMENT_PANELMAP(RadioButtonDemo, DemoPage);
+
+
+
+Panel* RadioButtonDemo_Create(Panel *parent)
+{
+	return new RadioButtonDemo(parent, "RadioButtonDemo");
+}
+
+