/*

    File:       CustomList.cp

    Contains:   Custom List 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>

    #include <CFString.h>

#endif

#include "CustomList.h"

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

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

CustomList::CustomList( ) 

    : TWindow( CFSTR( "AppearanceSample" ), CFSTR( "Custom List" ) )

{               

    OSStatus theError;

    ControlRef theListControl;

    Rect boundsRect = {10, 10, 200, 200};

    this->myListDefSpec.defType = kListDefUserProcType;

    this->myListDefSpec.u.userProc = NewListDefUPP( CustomListRoutine );

    GetWindowBounds( GetWindowRef(), kWindowContentRgn, &boundsRect );

    OffsetRect( &boundsRect, -boundsRect.left, -boundsRect.top );

    theError = CreateListBoxControl( GetWindowRef(), &boundsRect, false, 9, 9, true,

                    false, 20, 50, true, &(this->myListDefSpec),

                    &theListControl);

    if (theError == noErr)

    {

        ListHandle theList;

        OSStatus theError;

        // Get the ListHandle out of the list control

        theError = GetControlData(theListControl, kControlEntireControl, kControlListBoxListHandleTag, 

                sizeof(ListHandle), &theList, nil);

        this->theListControl = theListControl;

    }

    Show();

}

CustomList::~CustomList()

{

    if ( this->theListControl )

    {

        DisposeControl( this->theListControl );

        this->theListControl = nil;

    }

    if (this->myListDefSpec.u.userProc)

    {

        DisposeListDefUPP(this->myListDefSpec.u.userProc);

        this->myListDefSpec.u.userProc = nil;

    }

}

void DisposeList( ListHandle theList )

{

  // Just a placeholder for a routine to dispose of any memory that may have been

  // allocated in a list.

  // In this case, there's nothing to deallocate.  As the comment in CFString.h says,

  // we must not deallocate the strings made with CFSTR(), since it does not return

  // a new reference.

}

void InitList( ListHandle theList )

{

    ListBounds myListBounds; 

    GetListDataBounds( theList, &myListBounds );

    CFStringRef oldLogoCF[5];

    short i,j,whichColor=0;

    Cell whichCell;

    oldLogoCF[0] = CFSTR("green");    

    oldLogoCF[1] = CFSTR("yellow");       

    oldLogoCF[2] = CFSTR("orange");       

    oldLogoCF[3] = CFSTR("red");      

    oldLogoCF[4] = CFSTR("purple");       

    for(i=myListBounds.left;i<myListBounds.right;i++)

        for(j=myListBounds.top;j<myListBounds.bottom;j++)

            {

                whichCell.h = i;

                whichCell.v = j;

                LSetCell( &oldLogoCF[whichColor % 5], sizeof(CFStringRef), whichCell, theList );

                whichColor++; // cycle through the colors

            }

}

void ListDraw( Cell lCell, ListHandle lHandle, Rect *lRect, Boolean lSelect, Boolean hiliteIt)

{

    GrafPtr savePort;

    RgnHandle saveClip;

    PenState savePenState;

    short colorIndex;

    CFStringRef cellString;

    short length = sizeof(CFStringRef);

    GetPort(&savePort);

    SetPort(GetListPort(lHandle));

    saveClip = NewRgn();

    require( saveClip != nil, ListDraw_CantCreateClip);

    GetPenState(&savePenState);

    PenNormal();

    EraseRect(lRect);

    // Get the full rect of the cell.  We're being passed in the wrong rectangle for the rightmost column.

    LRect(lRect, lCell, lHandle);

    colorIndex = (lCell.h + lCell.v)&3;

    LGetCell( &cellString, &length, lCell, lHandle );

    // if selected, draw background of cell in user selected hilite color

    if (lSelect)

        {

            PenMode(hilitetransfermode);

            PaintRect(lRect);

        }

    else

        EraseRect(lRect);

    PenNormal();

    if (length == sizeof(CFStringRef)) // we got the data out properly

        {

            lRect->left += 1; // Offset the text a bit from the left edge of the box.

            DrawThemeTextBox( cellString, kThemeSystemFont, kThemeStateActive, false, lRect, 

                    teJustLeft, nil );

            PenNormal();

        }

    DisposeRgn( saveClip );

    // falls through

ListDraw_CantCreateClip:

    SetPort(savePort);

}

void CustomListRoutine(short lMessage, Boolean lSelect, Rect *lRect, Cell lCell, short lDataOffset, short lDataLen, ListHandle lHandle)

{

    switch( lMessage )

    {

        case lInitMsg: InitList(lHandle);

                break;

        case lCloseMsg: DisposeList(lHandle);

                break;

        case lHiliteMsg:

        case lDrawMsg: ListDraw( lCell, lHandle, lRect, lSelect, lMessage == lHiliteMsg );

                break;

    }

}