Team Fortress 2 Source Code as on 22/4/2020
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================//
#include "DemoPage.h"
#include <VGUI/IVGui.h>
#include <vgui_controls/Controls.h>
#include <Keyvalues.h>
#include <vgui_controls/Button.h>
#include <vgui_controls/MessageBox.h>
using namespace vgui;
// Message boxes are windows that pop up in response to events.
// They are particularly useful for error messages.
// In this example we will trigger the opening of a message box when
// a button is pressed.
class MessageBoxDemo: public DemoPage
{
public:
MessageBoxDemo(Panel *parent, const char *name);
~MessageBoxDemo();
void OnButtonClicked();
void ShowMessageBox();
private:
Button *m_pButton;
DECLARE_PANELMAP();
};
//-----------------------------------------------------------------------------
// Purpose: Constructor
//-----------------------------------------------------------------------------
MessageBoxDemo::MessageBoxDemo(Panel *parent, const char *name) : DemoPage(parent, name)
{
// Create a button to trigger the message box.
m_pButton = new Button(this, "AButton", "Click Me For A Message");
// Size the button to its text.
int wide, tall;
m_pButton->GetContentSize(wide, tall);
m_pButton->SetSize(wide + Label::Content, tall + Label::Content);
// Set its position.
m_pButton->SetPos(100, 100);
// Install a command that will be executed when the button is pressed
// Here we use a KeyValues command, this is mapped using the Message map
// below to a function.
m_pButton->SetCommand(new KeyValues ("ButtonClicked"));
}
//-----------------------------------------------------------------------------
// Purpose: Destructor
//-----------------------------------------------------------------------------
MessageBoxDemo::~MessageBoxDemo()
{
}
//-----------------------------------------------------------------------------
// Purpose: Respond to a message based action signal
//
//-----------------------------------------------------------------------------
void MessageBoxDemo::OnButtonClicked()
{
ivgui()->DPrintf("Button was clicked.\n");
// When the button is clicked we open the message box in response.
ShowMessageBox();
}
//-----------------------------------------------------------------------------
// Purpose: Display a message box
//-----------------------------------------------------------------------------
void MessageBoxDemo::ShowMessageBox()
{
// create a new message box.
// The first arg is the name of the window and will be across the top.
// The second arg is the text that will appear in the message box.
// The third arg is if the box starts minimized (yes since we want the button to open it)
// The fourth arg is a parent window arg.
MessageBox *pMessage = new MessageBox ("Message Window", "Here is some message box text\n You must click OK to continue.", NULL);
// This command will pop up the message box and hold it there until we click
// the OK button. When the OK button is clicked the message box object is destroyed.
pMessage->DoModal();
}
MessageMapItem_t MessageBoxDemo::m_MessageMap[] =
{
MAP_MESSAGE( MessageBoxDemo, "ButtonClicked", OnButtonClicked ),
};
IMPLEMENT_PANELMAP(MessageBoxDemo, DemoPage);
Panel* MessageBoxDemo_Create(Panel *parent)
{
return new MessageBoxDemo(parent, "MessageBoxDemo");
}