// $Revision: 1.4 $
// Copyright (c) 1994-1995 Taligent, Inc.  All rights reserved.

#ifndef TaligentSamples_KEYINPUTVIEW
#include "KeyInputView.h"
#endif

#ifndef Taligent_GRAFPORT
#include <Taligent/GrafPort.h>
#endif

#ifndef Taligent_NUMBERFORMAT
#include <Taligent/NumberFormat.h>
#endif

#ifndef Taligent_RGBCOLOR
#include <Taligent/RGBColor.h>
#endif

#ifndef Taligent_TEXTDISPLAY
#include <Taligent/TextDisplay.h>
#endif

MCollectibleDefinitionsMacro(TKeyInputView, kOriginalVersion);

TKeyInputView::TKeyInputView()
    : TContentView(TGPoint(200, 50)), 
    MKeyEventHandler(), 
    fLastKey(TVirtualKeyCode::kUndefinedVirtualKey)
{
}

TKeyInputView::TKeyInputView(const TGPoint& size, const TGPoint& location)
    : TContentView(size, location), 
    MKeyEventHandler(), 
    fLastKey(TVirtualKeyCode::kUndefinedVirtualKey)
{
}

TKeyInputView::~TKeyInputView()
{
}

// We use the event receiver in the view root, so need to wait until after we're 
// connected before we can register with it.  Similarly, we need to deregister
// before we're disconnected.

void 
TKeyInputView::HandleAfterConnectionToViewRoot()
{
    RegisterSimpleTarget(*InternalGetEventReceiver());
}

void 
TKeyInputView::HandleBeforeDisconnectionFromViewRoot()
{
    DeregisterSimpleTarget(*InternalGetEventReceiver());
}

// Draw the key code of the last key we received.

void
TKeyInputView::DrawContents(TGrafPort& port) const
{
    static const TFillAndFrameBundle bundle(TRGBColor(1,1,1), TRGBColor(0,0,0), 2.0, TPen::kInsetFrame);

    TGArea area;
    GetBounds(area);
    port.Draw(area, bundle);
    
    static const TUniversalNumberFormatter formatter;
    TStandardText text;
    formatter.Format(TFormattableNumber(fLastKey), text);
    
    TTextDisplay display(TStandardText("Key code: ") + text);
    TGRect textBounds = area.GetBounds();
    textBounds.Inset(TGPoint(5, 5));
    display.SetBoundaryRectangle(textBounds);
    display.SetPointSize(TFontPointSizeStyle(18));
    display.Draw(port);
}

// Remember the key code, and invalidate so the new code is displayed.  
// Return true to stop the event from being distributed any further.

bool 
TKeyInputView::KeyDown(TKeyDownEvent& keyDownEvent)
{
    fLastKey = keyDownEvent.GetVirtualKey();
    Invalidate();
    
    return true;
}

void
TKeyInputView::HandleAllocatedAreaChanged(const TGArea&)
{
    InvalidateAll();
}