209 lines
7.1 KiB
C++
209 lines
7.1 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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#include "DemoPage.h"
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#include <VGUI/IVGui.h>
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#include <vgui_controls/Menu.h>
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#include <vgui_controls/MenuButton.h>
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#include <Keyvalues.h>
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#include <vgui_controls/Controls.h>
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using namespace vgui;
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class CascadingMenuDemo: public DemoPage
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{
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public:
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CascadingMenuDemo(Panel *parent, const char *name);
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~CascadingMenuDemo();
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void InitMenus();
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// Functions that are executed in response to selecting ]
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// menu items.
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void OnMaggie();
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void OnHomer();
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void OnMarcia();
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void OnJohn();
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void OnRed();
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private:
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MenuButton *m_pOuterMenuButton;
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Menu *m_pOuterMenu;
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MenuButton *m_pInnerMenuButton;
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Menu *m_pInnerMenu;
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Menu *m_pInnerMenu2;
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Menu *m_pDeepestMenu;
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DECLARE_PANELMAP();
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};
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//-----------------------------------------------------------------------------
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// Purpose: Constructor
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//-----------------------------------------------------------------------------
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CascadingMenuDemo::CascadingMenuDemo(Panel *parent, const char *name) : DemoPage(parent, name)
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{
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InitMenus();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Destructor
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//-----------------------------------------------------------------------------
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CascadingMenuDemo::~CascadingMenuDemo()
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{
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}
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//-----------------------------------------------------------------------------
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// Purpose: Create cascading menus.
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// We will create a Menu with 2 Menus inside it, and yet another Menu inside one of those!
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//-----------------------------------------------------------------------------
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void CascadingMenuDemo::InitMenus()
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{
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// A drop down menu button for the top most menu
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m_pOuterMenuButton = new MenuButton(this, "OuterMenu", "Click to open menu");
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// Size the Button so we can read its label.
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m_pOuterMenuButton->SizeToContents();
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int wide, tall;
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m_pOuterMenuButton->GetContentSize(wide, tall);
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m_pOuterMenuButton->SetSize(wide + Label::Content, tall + Label::Content);
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// Create the Menu to go with it.
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m_pOuterMenu = new Menu(m_pOuterMenuButton, "OuterMenu");
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// Add the menu items to this menu
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m_pOuterMenu->AddMenuItem("&Homer", new KeyValues ("Homer"), this);
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m_pOuterMenu->AddMenuItem("&Apu", new KeyValues ("Apu"), this);
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m_pOuterMenu->AddMenuItem("&Bart", new KeyValues ("Bart"), this);
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m_pOuterMenu->AddMenuItem("Lisa", new KeyValues ("Lisa"), this);
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m_pOuterMenu->AddMenuItem("&George", new KeyValues ("George"), this);
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m_pOuterMenu->AddMenuItem("&Marge", new KeyValues ("Marge"), this);
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m_pOuterMenu->AddMenuItem("Maggi&e", new KeyValues ("Maggie"), this);
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m_pOuterMenu->SetVisible(false);
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// Make the number of visible menu items 20
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m_pOuterMenu->SetNumberOfVisibleItems(20);
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// Attach this menu to the menu button
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m_pOuterMenuButton->SetMenu(m_pOuterMenu);
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// Position the menu button on screen.
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int x, y, dwide, dtall;
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GetBounds (x, y, dwide, dtall);
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m_pOuterMenuButton->SetPos(10, dtall/2);
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// Create cascading menu #1
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// Cascading menu's don't need menu buttons, as they are triggered
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// by selecting the menu item of the menu they are in.
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m_pInnerMenu = new Menu(m_pOuterMenu, "InnerMenu");
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// Add menu items to this menu.
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m_pInnerMenu->AddMenuItem("Marcia", new KeyValues ("Marcia"), this);
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m_pInnerMenu->AddMenuItem("Greg", new KeyValues ("Greg"), this);
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m_pInnerMenu->AddMenuItem("&Peter", new KeyValues ("Peter"), this);
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m_pInnerMenu->AddMenuItem("AliceWithALongName", new KeyValues ("Alice"), this);
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m_pInnerMenu->AddMenuItem("&Carol", new KeyValues ("Carol"), this);
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m_pInnerMenu->AddMenuItem("&Tiger", new KeyValues ("Tiger"), this);
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m_pInnerMenu->AddMenuItem("&Sam", new KeyValues ("Sam"), this);
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m_pInnerMenu->AddMenuItem("&Bobby", new KeyValues ("Bobby"), this);
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m_pInnerMenu->AddMenuItem("Cindy", new KeyValues ("Cindy"), this);
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m_pInnerMenu->SetVisible(false);
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// Now add the cascading menu to the top menu as a menu item!
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m_pOuterMenu->AddCascadingMenuItem("InnerMenu", this, m_pInnerMenu);
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// Create cascading menu #2
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m_pInnerMenu2 = new Menu(m_pOuterMenu, "InnerMenu2");
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m_pInnerMenu2->AddMenuItem("John", new KeyValues ("John"), this);
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m_pInnerMenu2->AddMenuItem("Paul", new KeyValues ("Paul"), this);
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m_pInnerMenu2->AddMenuItem("Ringo", new KeyValues ("Ringo"), this);
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m_pInnerMenu2->AddMenuItem("George", new KeyValues ("George"), this);
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m_pInnerMenu2->AddMenuItem("Magical", new KeyValues ("Magical"), this);
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m_pInnerMenu2->AddMenuItem("Mystery", new KeyValues ("Mystery"), this);
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m_pInnerMenu2->AddMenuItem("Tour", new KeyValues ("Tour"), this);
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m_pInnerMenu2->AddMenuItem("Yellow Sub", new KeyValues ("Yellow Sub"), this);
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m_pInnerMenu2->SetVisible(false);
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// Add this cascading menu to the top menu as a manu item.
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m_pOuterMenu->AddCascadingMenuItem("InnerMenu2", this, m_pInnerMenu2);
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// Finally, a cascading menu inside a cascading menu!
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m_pDeepestMenu = new Menu(m_pInnerMenu, "DeepestMenu");
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// Add menu items to this menu.
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m_pDeepestMenu->AddMenuItem("Red", new KeyValues ("Red"), this);
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m_pDeepestMenu->AddMenuItem("Orange", new KeyValues ("Orange"), this);
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m_pDeepestMenu->AddMenuItem("Yellow", new KeyValues ("Yellow"), this);
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m_pDeepestMenu->AddMenuItem("Green", new KeyValues ("Green"), this);
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m_pDeepestMenu->AddMenuItem("Blue", new KeyValues ("Blue"), this);
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m_pDeepestMenu->AddMenuItem("Indigo", new KeyValues ("Indigo"), this);
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m_pDeepestMenu->AddMenuItem("Purple", new KeyValues ("Purple"), this);
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m_pDeepestMenu->AddMenuItem("Yellow Sun", new KeyValues ("Yellow Sun"), this);
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m_pDeepestMenu->SetVisible(false);
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// Set the number of visible items in the menu to 4, this menu will have a scrollbar.
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m_pDeepestMenu->SetNumberOfVisibleItems(4);
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// Add this menu item to one of the other menus already in the top most menu above
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m_pInnerMenu->AddCascadingMenuItem("DeepestMenu", this, m_pDeepestMenu);
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}
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// Messages recieved from each of the menus, prints out when message is recieved
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void CascadingMenuDemo::OnMaggie()
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{
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ivgui()->DPrintf("Maggie selected.\n");
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}
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void CascadingMenuDemo::OnMarcia()
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{
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ivgui()->DPrintf("Marcia selected.\n");
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}
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void CascadingMenuDemo::OnJohn()
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{
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ivgui()->DPrintf("John selected.\n");
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}
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void CascadingMenuDemo::OnRed()
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{
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ivgui()->DPrintf("Red selected.\n");
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}
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void CascadingMenuDemo::OnHomer()
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{
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ivgui()->DPrintf("Homer selected.\n");
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}
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//-----------------------------------------------------------------------------
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// Purpose: Message map
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//-----------------------------------------------------------------------------
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MessageMapItem_t CascadingMenuDemo::m_MessageMap[] =
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{
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MAP_MESSAGE( CascadingMenuDemo, "Maggie", OnMaggie ), // from outermenu
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MAP_MESSAGE( CascadingMenuDemo, "Homer", OnHomer ), // from outermenu
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MAP_MESSAGE( CascadingMenuDemo, "Marcia", OnMarcia ), // from innermenu2
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MAP_MESSAGE( CascadingMenuDemo, "John", OnJohn ), // from innermenu2
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MAP_MESSAGE( CascadingMenuDemo, "Red", OnRed ), // from deepest menu
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};
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IMPLEMENT_PANELMAP(CascadingMenuDemo, DemoPage);
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Panel* CascadingMenuDemo_Create(Panel *parent)
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{
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return new CascadingMenuDemo(parent, "CascadingMenuDemo");
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}
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