148 lines
4.4 KiB
C++
148 lines
4.4 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/Controls.h>
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#include <Keyvalues.h>
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#include <vgui_controls/Button.h>
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#include <vgui_controls/QueryBox.h>
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using namespace vgui;
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// Query boxes are windows that pop up in response to events.
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// They are useful for asking questions (like... "Are you sure you want to do this?").
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// In this example we will trigger the opening of a query box when
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// a button is pressed.
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// Query boxes are Message boxes that have an OK and a Cancel button,
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// each button may be linked to an additional command in order to trigger an
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// appropriate response.
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class QueryBoxDemo: public DemoPage
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{
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public:
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QueryBoxDemo(Panel *parent, const char *name);
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~QueryBoxDemo();
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void OnButtonClicked();
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void ShowQueryBox();
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void OnOK();
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void OnCancel();
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private:
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Button *m_pButton;
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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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QueryBoxDemo::QueryBoxDemo(Panel *parent, const char *name) : DemoPage(parent, name)
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{
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// Create a button to trigger the message box.
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m_pButton = new Button(this, "AButton", "Click Me For A Question");
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// Size the button to its text.
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m_pButton->SizeToContents();
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// Set its position.
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m_pButton->SetPos(100, 100);
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// Install a command that will be executed when the button is pressed
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// Here we use a KeyValues command, this is mapped using the Message map
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// below to a function.
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m_pButton->SetCommand(new KeyValues ("ButtonClicked"));
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}
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//-----------------------------------------------------------------------------
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// Purpose: Destructor
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//-----------------------------------------------------------------------------
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QueryBoxDemo::~QueryBoxDemo()
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{
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}
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//-----------------------------------------------------------------------------
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// Purpose: Respond to a message based action signal
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// Popup the query box.
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//-----------------------------------------------------------------------------
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void QueryBoxDemo::OnButtonClicked()
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{
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ivgui()->DPrintf("Button was clicked.\n");
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// When the button is clicked we open the message box in response.
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ShowQueryBox();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Display a query box
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//-----------------------------------------------------------------------------
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void QueryBoxDemo::ShowQueryBox()
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{
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// create a new message box.
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// The first arg is the name of the window and will be across the top.
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// The second arg is the text that will appear in the message box.
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QueryBox *pQuery = new QueryBox ("Message Window", "Will you pick OK or Cancel?");
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// Make ourselves the target of the button messages
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pQuery->AddActionSignalTarget(this);
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// Install the message to be sent when the ok button is clicked.
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pQuery->SetOKCommand(new KeyValues("OKClicked"));
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// Install the message to be sent when the cancel button is clicked.
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pQuery->SetCancelCommand(new KeyValues("Cancel"));
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// This command will pop up the message box and hold it there until we click
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// a button. When a button is clicked the query box object is destroyed.
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pQuery->DoModal();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Respond to a message based action signal
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// Respond to the OK button in the query box.
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//-----------------------------------------------------------------------------
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void QueryBoxDemo::OnOK()
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{
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ivgui()->DPrintf("Query received the OK.\n");
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}
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//-----------------------------------------------------------------------------
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// Purpose: Respond to a message based action signal
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// Respond to the Cancel button in the query box
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//-----------------------------------------------------------------------------
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void QueryBoxDemo::OnCancel()
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{
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ivgui()->DPrintf("Query was canceled.\n");
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}
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MessageMapItem_t QueryBoxDemo::m_MessageMap[] =
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{
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MAP_MESSAGE( QueryBoxDemo, "ButtonClicked", OnButtonClicked ),
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MAP_MESSAGE( QueryBoxDemo, "OKClicked", OnOK ),
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MAP_MESSAGE( QueryBoxDemo, "Cancel", OnCancel ),
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};
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IMPLEMENT_PANELMAP(QueryBoxDemo, DemoPage);
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Panel* QueryBoxDemo_Create(Panel *parent)
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{
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return new QueryBoxDemo(parent, "QueryBoxDemo");
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}
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