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utils/vgui_panel_zoo/MenuBarDemo.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/MenuBar.h>
+#include <vgui_controls/MenuButton.h>
+#include <vgui_controls/Menu.h> 
+#include "vgui/ISurface.h"
+
+using namespace vgui;
+
+//-----------------------------------------------------------------------------
+// A MenuBar
+//-----------------------------------------------------------------------------
+
+class MenuBarDemo: public DemoPage
+{
+	public:
+		MenuBarDemo(Panel *parent, const char *name);
+		~MenuBarDemo();
+		
+	private:
+		MenuBar *m_pMenuBar;
+		
+};
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructor
+//-----------------------------------------------------------------------------
+MenuBarDemo::MenuBarDemo(Panel *parent, const char *name) : DemoPage(parent, name)
+{
+	m_pMenuBar = new MenuBar(this, "AMenuBar");
+	m_pMenuBar->SetPos(0, 20);
+
+	// Make a couple menus and attach them in.
+
+	// A menu 
+	MenuButton *pMenuButton = new MenuButton(this, "FileMenuButton", "&File");
+	Menu *pMenu = new Menu(pMenuButton, "AMenu");
+	pMenu->AddMenuItem("&New",  new KeyValues ("NewFile"), this);
+	pMenu->AddMenuItem("&Open",  new KeyValues ("OpenFile"), this);
+	pMenu->AddMenuItem("&Save",  new KeyValues ("SaveFile"), this);
+	pMenuButton->SetMenu(pMenu);
+
+	m_pMenuBar->AddButton(pMenuButton);
+
+	// A menu 
+	pMenuButton = new MenuButton(this, "EditMenuButton", "&Edit");
+	pMenu = new Menu(pMenuButton, "AMenu");
+	pMenu->AddMenuItem("&Undo",  new KeyValues ("Undo"), this);
+	pMenu->AddMenuItem("&Find",  new KeyValues ("Find"), this);
+	pMenu->AddMenuItem("Select&All",  new KeyValues ("SelectAll"), this);
+	pMenuButton->SetMenu(pMenu);
+
+	m_pMenuBar->AddButton(pMenuButton);
+
+	// A menu 
+	pMenuButton = new MenuButton(this, "ViewMenuButton", "&View");
+	pMenu = new Menu(pMenuButton, "AMenu");
+	pMenu->AddMenuItem("&FullScreen",  new KeyValues ("FullScreen"), this);
+	pMenu->AddMenuItem("&SplitScreen",  new KeyValues ("SplitScreen"), this);
+	pMenu->AddMenuItem("&Properties",  new KeyValues ("Properties"), this);
+	pMenu->AddMenuItem("&Output",  new KeyValues ("Output"), this);
+	pMenuButton->SetMenu(pMenu);
+
+	m_pMenuBar->AddButton(pMenuButton);
+
+	// A menu 
+	pMenuButton = new MenuButton(this, "Big", "&HugeMenu");
+	pMenu = new Menu(pMenuButton, "HugeMenu");
+	int items = 150;
+	for ( int i = 0 ; i < items; ++i )
+	{
+		char sz[ 32 ];
+		Q_snprintf( sz, sizeof( sz ), "Item %03d", i + 1 );
+
+        int idx = pMenu->AddMenuItem( sz,  new KeyValues ( sz ), this);
+
+		if ( !(i % 4 ) )
+		{
+			char binding[ 256 ];
+			Q_snprintf( binding, sizeof( binding ), "Ctrl+%c", 'A' + ( rand() % 26 ) );
+			pMenu->SetCurrentKeyBinding( idx, binding );
+		}
+
+		if ( !(i % 7 ) )
+		{
+			pMenu->AddSeparator();
+		}
+	}
+	pMenuButton->SetMenu(pMenu);
+
+	m_pMenuBar->AddButton(pMenuButton);
+
+	pMenuButton = new MenuButton(this, "Big", "&HalfHuge");
+	pMenu = new Menu(pMenuButton, "HalfHuge");
+	int htotal = 0;
+	int itemHeight = pMenu->GetMenuItemHeight();
+
+	int workX, workY, workWide, workTall;
+	surface()->GetWorkspaceBounds(workX, workY, workWide, workTall);
+
+	int i = 0;
+	while ( htotal < ( workTall / 2 ) )
+	{
+		char sz[ 32 ];
+		Q_snprintf( sz, sizeof( sz ), "Item %03d", i + 1 );
+
+        int idx = pMenu->AddMenuItem( sz,  new KeyValues ( sz ), this);
+
+		if ( !(i % 4 ) )
+		{
+			char binding[ 256 ];
+			Q_snprintf( binding, sizeof( binding ), "Ctrl+%c", 'A' + ( rand() % 26 ) );
+			pMenu->SetCurrentKeyBinding( idx, binding );
+		}
+
+		if ( !(i % 7 ) )
+		{
+			pMenu->AddSeparator();
+			htotal += 3;
+		}
+		++i;
+		htotal += itemHeight;
+	}
+	pMenuButton->SetMenu(pMenu);
+
+	m_pMenuBar->AddButton(pMenuButton);
+
+	int bwide, btall;
+	pMenuButton->GetSize( bwide, btall);
+	int wide, tall;
+	GetParent()->GetSize(wide, tall);
+	m_pMenuBar->SetSize(wide - 2, btall + 8);
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Destructor
+//-----------------------------------------------------------------------------
+MenuBarDemo::~MenuBarDemo()
+{
+}
+
+
+Panel* MenuBarDemo_Create(Panel *parent)
+{
+	return new MenuBarDemo(parent, "MenuBarDemo");
+}
+
+