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

#ifndef TaligentSamples_MOUSEINPUTVIEW
#include "MouseInputView.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

#ifndef Taligent_KEYBOARDINPUT
#include <Taligent/KeyboardInput.h>
#endif

MCollectibleDefinitionsMacro(TMouseInputView, kOriginalVersion);

TMouseInputView::TMouseInputView()
    : TContentView(TGPoint(300, 50)), 
    MMouseEventHandler(), 
    fLastButtonChanged(0),
    fLastButtonChangeWasDown(false),
    fLastPowerKeyDown(false),
    fLastButtonChangeViewCoordinates(TGPoint::kOrigin)
{
}

TMouseInputView::TMouseInputView(const TGPoint& size, const TGPoint& location)
    : TContentView(size, location), 
    MMouseEventHandler(), 
    fLastButtonChanged(0),
    fLastButtonChangeWasDown(false),
    fLastPowerKeyDown(false),
    fLastButtonChangeViewCoordinates(TGPoint::kOrigin)
{
}

TMouseInputView::~TMouseInputView()
{
}

// Calling SetCoordinateView tells the input system to provide the mouse location
// in this view's coordinate system, rather than global coordinates.

void 
TMouseInputView::HandleAfterConnectionToViewRoot()
{
    RegisterSimpleTarget(*InternalGetEventReceiver());
    SetCoordinateView(TViewHandle(*this));
}

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

// Draw the information about the last mouse event that we received.

void
TMouseInputView::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);
    
    TStandardText text;
    if (fLastButtonChanged == 0) {
        text = TStandardText("No mouse changes received yet.");
    } else {
        static TUniversalNumberFormatter formatter;

        TStandardText buttonNumber;
        formatter.Format(TFormattableNumber(fLastButtonChanged), buttonNumber);
        
        TStandardText change = TStandardText(fLastButtonChangeWasDown ? " Down" : " Up");
        
        TStandardText xLoc;
        formatter.Format(TFormattableNumber(fLastButtonChangeViewCoordinates.fX), xLoc);
        
        TStandardText yLoc;
        formatter.Format(TFormattableNumber(fLastButtonChangeViewCoordinates.fY), yLoc);
        
        TStandardText powerKeyState = TStandardText(fLastPowerKeyDown ? " Down" : " Up");

        text = TStandardText("Button ") + buttonNumber + change + TStandardText (" at ") +
            xLoc + TStandardText("@") + yLoc + TStandardText(" Power key") + powerKeyState;
    }
            
    TTextDisplay display(text);
    TGRect textBounds = area.GetBounds();
    textBounds.Inset(TGPoint(5, 5));
    display.SetBoundaryRectangle(textBounds);
    display.SetPointSize(TFontPointSizeStyle(18));
    display.Draw(port);
}

// To find out the state of the keyboard when the mouse went down, ask the keyboard 
// input device, passing it the event.

bool 
TMouseInputView::MouseButtonDown(TMouseDownEvent& mouseDownEvent, short buttonNumber)
{
    fLastButtonChanged = mouseDownEvent.GetButtonNumber();
    fLastButtonChangeWasDown = true;
    fLastButtonChangeViewCoordinates = mouseDownEvent.GetEventPosition();

    const TKeyboardInputDevice* device = TKeyboardInputDevice::GetDefaultKeyboardInputDevice(mouseDownEvent);
    if (device) {
        fLastPowerKeyDown = device->GetModifierKeys().IsPowerKeyDown();
    } else {
        fLastPowerKeyDown = false;
    }
    
    Invalidate();
    
    return true;
}

bool 
TMouseInputView::MouseButtonUp(TMouseUpEvent& mouseUpEvent, short buttonNumber)
{
    fLastButtonChanged = mouseUpEvent.GetButtonNumber();
    fLastButtonChangeWasDown = false;
    fLastButtonChangeViewCoordinates = mouseUpEvent.GetEventPosition();
    
    const TKeyboardInputDevice* device = TKeyboardInputDevice::GetDefaultKeyboardInputDevice(mouseUpEvent);
    if (device) {
        fLastPowerKeyDown = device->GetModifierKeys().IsPowerKeyDown();
    } else {
        fLastPowerKeyDown = false;
    }
    
    Invalidate();
    
    return true;
}