/*

    File:       UtilityWindow.cp

    Contains:   Utility window tester class.

    Version:    Mac OS X

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*/

#include "AppearanceSamplePrefix.h"

#if !BUILDING_FOR_CARBON_8

    #include <Carbon/Carbon.h>

#else

    #include <Carbon.h>

#endif

#include "UtilityWindow.h"

#define width( r )      ( (r).right - (r).left )

#define height( r )     ( (r).bottom - (r).top )

UtilityWindow::UtilityWindow( SInt16 windID ) : BaseWindow( windID )

{               

    Rect        rect;

    CalcVertScrollBarRect( rect );

    CreateScrollBarControl( GetWindowRef(), &rect, 0, 0, 100, 0, false, nil, &fVertScrollBar );

    CalcHorizScrollBarRect( rect );

    CreateScrollBarControl( GetWindowRef(), &rect, 0, 0, 100, 0, false, nil, &fHorizScrollBar );

}

UtilityWindow::UtilityWindow() : BaseWindow( 131 )

{               

    Rect        rect;

    CalcVertScrollBarRect( rect );

    CreateScrollBarControl( GetWindowRef(), &rect, 0, 0, 100, 0, false, nil, &fVertScrollBar );

    CalcHorizScrollBarRect( rect );

    CreateScrollBarControl( GetWindowRef(), &rect, 0, 0, 100, 0, false, nil, &fHorizScrollBar );

}

UtilityWindow::~UtilityWindow()

{

    if ( fVertScrollBar )

        DisposeControl( fVertScrollBar );

    if ( fHorizScrollBar )

        DisposeControl( fHorizScrollBar );

}

//------------------------------------------------------------------------------------

//  ¥ Resize

//------------------------------------------------------------------------------------

//  Resize our window to the appropriate size specified in width and height. Make sure

//  the scroll bars are repositioned properly.

//

void

UtilityWindow::Resized()

{

    Rect        horizRect, vertRect;

    InvalidateScrollBars();

    CalcHorizScrollBarRect( horizRect );

    CalcVertScrollBarRect( vertRect );

    MoveControl( fHorizScrollBar, horizRect.left, horizRect.top );

    MoveControl( fVertScrollBar, vertRect.left, vertRect.top );

    SizeControl( fHorizScrollBar, width( horizRect ), height( horizRect ) );

    SizeControl( fVertScrollBar, width( vertRect ), height( vertRect ) );

    UpdateNow();

}

//------------------------------------------------------------------------------------

//  ¥ HandleClick

//------------------------------------------------------------------------------------

//  Simple routine to handle scroll bar tracking, even though they don't do anything.

//

void

UtilityWindow::HandleClick( EventRecord& event )

{

    ControlHandle       control;

    SInt16              part;

    Point               localPt;

    ControlActionUPP    actionProc;

    SetPort( GetPort() );

    localPt = event.where;

    GlobalToLocal( &localPt );

    part = FindControl( localPt, GetWindowRef(), &control );

    switch ( part )

    {

        case kControlUpButtonPart:

        case kControlDownButtonPart:

        case kControlPageUpPart:

        case kControlPageDownPart:

            actionProc = NewControlActionUPP( ScrollBarAction );

            TrackControl( control, localPt, actionProc );

            DisposeControlActionUPP( actionProc );

            break;

        case kControlIndicatorPart:

            TrackControl( control, localPt, (ControlActionUPP)-1L );

            break;

    }

}

//------------------------------------------------------------------------------------

//  ¥ InvalidateScrollBars

//------------------------------------------------------------------------------------

//  Invalidates the scroll bar areas.

//

void

UtilityWindow::InvalidateScrollBars()

{

    Rect        tempRect;

    ::SetPort( GetPort() );

    //CalcHorizScrollBarRect( tempRect );

    GetControlBounds( fVertScrollBar, &tempRect );

    ::InvalWindowRect( GetWindowRef(), &tempRect );

    ::EraseRect( &tempRect );

    //CalcVertScrollBarRect( tempRect );

    GetControlBounds( fHorizScrollBar, &tempRect );

    ::InvalWindowRect( GetWindowRef(), &tempRect );

    ::EraseRect( &tempRect );

}

//------------------------------------------------------------------------------------

//  ¥ CalcHorizScrollBarRect

//------------------------------------------------------------------------------------

//  Calculates the position where the horizontal scroll bar should be placed.

//

void

UtilityWindow::CalcHorizScrollBarRect( Rect& rect )

{

    GetPortBounds( GetPort(), &rect );

    rect.bottom++;

    rect.left = -1;

    rect.top = rect.bottom - 11;

    rect.right -= 9;

}

//------------------------------------------------------------------------------------

//  ¥ CalcVertScrollBarRect

//------------------------------------------------------------------------------------

//  Calculates the position where the vertical scroll bar should be placed.

//

void

UtilityWindow::CalcVertScrollBarRect( Rect& rect )

{

    GetPortBounds( GetPort(), &rect );

    rect.right++;

    rect.left = rect.right - 11;

    rect.bottom -= 9;

    rect.top = -1;

}

//------------------------------------------------------------------------------------

//  ¥ ScrollBarAction

//------------------------------------------------------------------------------------

//  A simple callback to give some feedback when clicking the scroll arrows or page

//  up/down areas.

//

pascal void

UtilityWindow::ScrollBarAction( ControlHandle control, SInt16 part )

{

    switch ( part )

    {

        case kControlUpButtonPart:

            if ( GetControlValue( control) > GetControlMinimum( control ) )

                SetControlValue( control, GetControlValue( control ) - 1 );

            break;

        case kControlDownButtonPart:

            if ( GetControlValue( control) < GetControlMaximum( control ) )

                SetControlValue( control, GetControlValue( control ) + 1 );

            break;

        case kControlPageUpPart:

            if ( GetControlValue( control) > GetControlMinimum( control ) )

                SetControlValue( control, GetControlValue( control ) - 10 );

            break;

        case kControlPageDownPart:

            if ( GetControlValue( control) < GetControlMaximum( control ) )

                SetControlValue( control, GetControlValue( control ) + 10 );

            break;

    }           

}