ETO Development Tools 2/ETO Development Tools 2.iso/Tools - Objects/MacApp/Experimental enhancements/MacApp Sizers/SizerTest.p

Text File | 1990-11-08 | 13.0 KB | 531 lines | [TEXT/MPS ]

PROGRAM Test;

USES
    UMacApp,

    {  Building Blocks }
    UPrinting, UGridView, UTEView, UDialog,
    UArray, USizerView,

    { ToolBox }
    Types, QuickDraw, Packages,
    Fonts, Resources, Strings, ToolUtils,        { ToolIntf }
    OSUtils, Files, Errors, Memory;                { OSIntf }

CONST
        kSignature            = 'Test';            { Application signature}
        kFileType            = 'test';            { file type of parsed data file. }

        { Resource ids }
        kTestWindowID        = 1001;                { main window }
        kStringList1        = 2000;                { STR# resource for left pane }
        kStringList2        = 2001;                { STR# resource for second pane }
        kStringList3        = 2002;                { STR# resource for third pane }
        kStringList4        = 2003;                { STR# resource for right pane }

        { Commands }
        cNewSplitHWindow    = 1205;                { Open a new window with horizontal sizer & splitter }
        cNewSplitVWindow    = 1206;                { Open a new window with vertical sizer & splitter }

        kMinH                = 4*kMinSizerPane + 3*kSizerThickness;    { 4 panes across }
        kMinV                = 2*kMinSizerPane + kSizerThickness;    { 2 stacked panes }

TYPE

    TTestApplication = OBJECT (TApplication)

        PROCEDURE TTestApplication.ITestApplication;
        { Initializes the application and globals. }

        FUNCTION  TTestApplication.DoMakeDocument(itsCmdNumber: CmdNumber): TDocument; OVERRIDE;
        { Create a document object that will create the window. }

        FUNCTION  TTestApplication.DoMenuCommand(aCmdNumber: CmdNumber): TCommand; OVERRIDE;
        PROCEDURE TTestApplication.DoSetupMenus; OVERRIDE;

        END;

    TTestDocument = OBJECT(TDocument)

        fListViews:            TList;            { of TTestListViews }
        fTextView:            TTestView;        { shows current list selections }

        PROCEDURE TTestDocument.ITestDocument(itsCmdNumber: CmdNumber);
        { Initialize the test document. }

        PROCEDURE TTestDocument.Free; OVERRIDE;
        { Free the list we created }

        PROCEDURE TTestDocument.ChangeData;
        { Change fTextView's data to reflect current selection }

        PROCEDURE TTestDocument.DoChoice(origView: TView; itsChoice: INTEGER); OVERRIDE;
        { Handle communication from subviews }

        PROCEDURE TTestDocument.DoMakeViews(forPrinting: BOOLEAN); OVERRIDE;
        { Create the window and views to display the data. }

        END;

    TTestListView    = OBJECT (TTextListView)
    { This list view gets its items from a STR# resource }

        fStringListId:        INTEGER;        { Id of STR# resource }

        PROCEDURE TTestListView.ITestListView(itsStringList: INTEGER);
        { Tell the view which STR# resource to get its items from. Set the number
          of items to be the same as the number of strings in the resource. }

        PROCEDURE TTestListView.GetItemText(anItem: INTEGER; VAR aString: Str255);  OVERRIDE;

        PROCEDURE TTestListView.SelectItem(anItem: INTEGER; extendSelection, highlight,
                                           select: BOOLEAN);  OVERRIDE;

        END;

    TTestView    = OBJECT (TView)

        fDataHandle:        Handle;            { text for display }
        fTextStyle:            TextStyle;        { style for displaying text }

        PROCEDURE TTestView.IRes(itsDocument: TDocument; itsSuperView: TView;
                                 VAR itsParams: Ptr); OVERRIDE;

        PROCEDURE TTestView.Draw(area: Rect); OVERRIDE;
        { Draw the current selections of the TTextListViews }

        PROCEDURE TTestView.Free; OVERRIDE;
        { Free any leftover data }

        PROCEDURE TTestView.SetData(newData: Handle);
        { Set the data handle to the given handle. Dispose the old one }

        END;

    TStupidView    = OBJECT (TView)
    { A stupid view that does nothing but draw something }

        fNumber:        INTEGER;

        PROCEDURE TStupidView.IStupidView(itsNumber: INTEGER);

        FUNCTION  TStupidView.Clone: TObject; OVERRIDE;

        PROCEDURE TStupidView.Draw(area: Rect); OVERRIDE;

        FUNCTION  TStupidView.GetNumber: INTEGER;

        END;


VAR
    gTestApplication:        TTestApplication;


{------------------------ TTestApplication ------------------------------------------}

{$S AInit}

PROCEDURE TTestApplication.ITestApplication;

    BEGIN
    InitUSizerView;                        { Init the gnarly split pane meister. }

    IApplication(kFileType);

    { Suppress dead-stripping of classes created from view templates }
    IF gDeadStripSuppression THEN BEGIN
        IF Member(TObject(NIL), TTestView) THEN;
        IF Member(TObject(NIL), TTestListView) THEN;
        IF Member(TObject(NIL), TStupidView) THEN;
        END;
    END;

FUNCTION TTestApplication.DoMakeDocument(itsCmdNumber: CmdNumber): TDocument; OVERRIDE;
{ Called by OpenNew and OpenOld: cNew and cOpen }

    VAR
        aTestDocument:        TTestDocument;
        fi:                    FailInfo;

    PROCEDURE InitFailed(error: OSErr; message: LONGINT);
        BEGIN
        FreeIfObject(aTestDocument);
        END;

    BEGIN
    { Allocate and initialize a test document. }
    NEW(aTestDocument);
    FailNIL(aTestDocument);

    CatchFailures(fi, InitFailed);
    aTestDocument.ITestDocument(itsCmdNumber);
    Success(fi);

    DoMakeDocument := aTestDocument;
    END;

{$S ASelCommand}

FUNCTION TTestApplication.DoMenuCommand(aCmdNumber: CmdNumber): TCommand; OVERRIDE;

    PROCEDURE MakeSplitterWindow(windId: INTEGER; sizerId: IDType);

        VAR
            aWindow:        TWindow;
            aSizerView:        TSizerView;
            aStupidView:    TStupidView;

        BEGIN
        aWindow := NewTemplateWindow(windId, NIL);
        FailNIL(aWindow);

        aSizerView := TSizerView(aWindow.FindSubview(sizerId));
        IF qDebug THEN FailNIL(aSizerView);
        aSizerView.FixupPanes(FALSE);

        aStupidView := TStupidView(aWindow.FindSubview('stpd'));
        IF qDebug THEN FailNIL(aStupidView);
        aStupidView.IStupidView(aCmdNumber);

        aWindow.Open;
        END;

    BEGIN
    CASE aCmdNumber OF
        cNewSplitHWindow: MakeSplitterWindow(aCmdNumber, 'hsiz');
        cNewSplitVWindow: MakeSplitterWindow(aCmdNumber, 'vsiz');

        OTHERWISE
            DoMenuCommand := INHERITED DoMenuCommand(aCmdNumber);
        END;
    END;

{$S ARes}

PROCEDURE TTestApplication.DoSetupMenus; OVERRIDE;

    BEGIN
    INHERITED DoSetupMenus;

    Enable(cNewSplitHWindow, TRUE);
    Enable(cNewSplitVWindow, TRUE);
    END;

{-------------------------- TTestDocument -------------------------------------------}

{$S AOpen}

PROCEDURE TTestDocument.ITestDocument(itsCmdNumber: CmdNumber);

    BEGIN
    fTextView := NIL;
    fListViews := NIL;

    IDocument(kFileType, kSignature, NOT kUsesDataFork, NOT kUsesRsrcFork,
              NOT kDataOpen, NOT kRsrcOpen);

    fListViews := NewList;
    fListViews.SetEltType('TTestListView');
    END;

{$S AClose}

PROCEDURE TTestDocument.Free; OVERRIDE;

    BEGIN
    fListViews.DeleteAll;
    fListViews.Free;
    INHERITED Free;
    END;

{$S ADoCommand}

PROCEDURE TTestDocument.ChangeData;

    VAR
        newData:        Handle;
        s:                INTEGER;
        offset:            LONGINT;
        newSize:        LONGINT;
        aListView:        TTestListView;
        aString:        Str255;

    BEGIN
    newData := NewHandle(0);
    FailNIL(newData);

    FOR s := 1 TO fListViews.GetSize DO BEGIN
        aListView := TTestListView(fListViews.At(s));
        WITH aListView DO                            { get the view's current selection }
            GetItemText(FirstSelectedItem, aString);
        { Append aString’s text part to handle data }
        offset := GetHandleSize(newData);
        newSize := offset + LENGTH(aString) + 1;    { allow for separator char }
        SetHandleSize(newData, newSize);            { make room for new stuff }
        newSize := LENGTH(aString) + 1;                { number of chars to copy }
        aString[0] := CHR($0D);                        { separate with CR }
        BlockMove(@aString, Ptr(StripLong(newData^)+offset), newSize);
        END;

    fTextView.SetData(newData);
    END;

{$S ADoCommand}

PROCEDURE TTestDocument.DoChoice(origView: TView; itsChoice: INTEGER); OVERRIDE;

    VAR
        id:                IDType;

    BEGIN
    IF itsChoice = mListItemHit THEN        { user selected a list item }
        ChangeData;                            { change data to reflect new selection }
    END;

{$S AOpen}

PROCEDURE TTestDocument.DoMakeViews(forPrinting: BOOLEAN); OVERRIDE;
{ Create the views for this hog.   All of them.  In the city and in the streets. }

    VAR
        aWindow:                TWindow;
        minSize:                Point;
        aSizerView:                TSizerView;

    PROCEDURE DoPostRes(viewId: IDType);

        VAR
            aSizerView:            TSizerView;

        BEGIN
        aSizerView := TSizerView(aWindow.FindSubview(viewId));
        IF qDebug THEN FailNIL(aSizerView);
        aSizerView.FixupPanes(TRUE);        { equally spaced panes }
        END;

    PROCEDURE InitListView(viewId: IDType; itsStringList: INTEGER);

        VAR
            aListView:            TTestListView;

        BEGIN
        aListView := TTestListView(aWindow.FindSubview(viewId));
        IF qDebug THEN FailNIL(aListView);
        aListView.ITestListView(itsStringList);
        fListViews.InsertLast(aListView);
        END;

    BEGIN
    aWindow := NewTemplateWindow(kTestWindowID, SELF);
    FailNIL(aWindow);

    { Make sure that the minimum size for the window is reasonable for the
      TSizerViews we are using. }
    SetPt(minSize, kMinH, kMinV);
    aWindow.SetResizeLimits(minSize, gStdWSizeRect.botRight);

    { Set the thickness of the splitter bars (do this before FixupPanes) }
    aSizerView := TSizerView(aWindow.FindSubview('main'));
    aSizerView.SetSizerThickness(10);

    { Finish installing the subviews in the TSizerViews }
    DoPostRes('main');
    DoPostRes('uppr');
    fTextView := TTestView(aWindow.FindSubview('lowr'));

    { Finish initializing the list views }
    InitListView('aaaa', kStringList1);
    InitListView('bbbb', kStringList2);
    InitListView('cccc', kStringList3);
    InitListView('dddd', kStringList4);

    { Set the minimum width for the list panes }
    aSizerView := TSizerView(aWindow.FindSubview('uppr'));
    aSizerView.SetMinPaneLength(30);
    END;

{-------------------------- TTestListView -------------------------------------------}

{$S AOpen}

PROCEDURE TTestListView.ITestListView(itsStringList: INTEGER);

    VAR
        items:        INTEGER;

    FUNCTION CountStrings(strID: INTEGER): INTEGER;
    { Return the number of strings contained in the specified STR# resource }

        TYPE
            strResource = RECORD
                    count:        INTEGER;
                    firstStr:    Str255;        { actually, an array of variable-length strings }
                    END;
            strPointer = ^strResource;
            strHandle  = ^strPointer;

        VAR
            strRes:        strHandle;

        BEGIN
        strRes := strHandle(GetResource('STR#', strID));
        IF strRes = NIL
            THEN CountStrings := 0
            ELSE CountStrings := strRes^^.count;
        END;

    BEGIN
    fStringListId := itsStringList;
    items := CountStrings(itsStringList);
    InsItemLast(items);
    END;

{$S ARes}

PROCEDURE TTestListView.GetItemText(anItem: INTEGER; VAR aString: Str255);  OVERRIDE;

    BEGIN
    IF anItem = 0
        THEN aString := ''
        ELSE GetIndString(aString, fStringListId, anItem);
    END;

{$S ASelCommand}

PROCEDURE TTestListView.SelectItem(anItem: INTEGER; extendSelection, highlight, select: BOOLEAN);  OVERRIDE;

    BEGIN
    INHERITED SelectItem(anItem, extendSelection, highlight, select);

    fDocument.DoChoice(SELF, mListItemHit);        { inform the document }
    END;

{---------------------------- TTestView ---------------------------------------------}

{$S AOpen}

PROCEDURE TTestView.IRes(itsDocument: TDocument; itsSuperView: TView;
                         VAR itsParams: Ptr); OVERRIDE;

    VAR
        aTextStyle:        TextStyle;

    BEGIN
    fDataHandle := NIL;
    INHERITED IRes(itsDocument, itsSuperView, itsParams);

    SetTextStyle(aTextStyle, 0, [], 12, gRGBBlack);    { System font, plain, 12 point }
    fTextStyle := aTextStyle;
    END;

{$S AClose}

PROCEDURE TTestView.Free; OVERRIDE;

    BEGIN
    fDataHandle := DisposeIfHandle(fDataHandle);
    INHERITED Free;
    END;

{$S ARes}

PROCEDURE TTestView.Draw(area: Rect); OVERRIDE;

    VAR
        box:        Rect;
        itsLength:    LONGINT;
        aTextStyle:    TextStyle;

    BEGIN
    IF fDataHandle <> NIL THEN BEGIN        { there’s something to draw }
        aTextStyle := fTextStyle;
        SetPortTextStyle(aTextStyle);
        GetQDExtent(box);
        InsetRect(box, 5, 0);                { leave some margin on the sides }
        itsLength := GetHandleSize(fDataHandle);
        LockHandleHigh(fDataHandle);         { because MATextBox may move memory }
        MATextBox(fDataHandle^, itsLength, box, teJustSystem, kAutoWrap, NIL, kNoEraseFirst, kNoSpaceForCaret);
        HUnlock(fDataHandle);
        END;
    INHERITED Draw(area);
    END;

{$S ADoCommand}

PROCEDURE TTestView.SetData(newData: Handle);

    BEGIN
    fDataHandle := DisposeIfHandle(fDataHandle);
    fDataHandle := newData;
    ForceRedraw;
    END;

{---------------------------- TStupidView ---------------------------------------------}

{$S AOpen}

PROCEDURE TStupidView.IStupidView(itsNumber: INTEGER);

    BEGIN
    fNumber := itsNumber;
    END;

{$S ARes}

PROCEDURE TStupidView.Draw(area: Rect); OVERRIDE;

    VAR
        aString:    Str255;

    BEGIN
    TextFont(0);
    TextSize(12);
    MoveTo(10, 20);    (* h, v *)
    NumToString(fNumber, aString);
    aString := concat('duh…', aString);
    DrawString(aString);

    INHERITED Draw(area);
    END;

FUNCTION TStupidView.GetNumber: INTEGER;

    BEGIN
    GetNumber := fNumber;
    END;

FUNCTION TStupidView.Clone: TObject; OVERRIDE;

    VAR
        theClone: TStupidView;

    BEGIN
    theClone := TStupidView(INHERITED Clone);
    theClone.IStupidView(fNumber + 1);            { so we can tell them apart! }
    Clone := theClone;
    END;

{------------------------------------------------------------------------------------}
    { T H E   M A I N    P R O G R A M }
{$S Main}

BEGIN
    InitToolBox;                                    { Essential toolbox and utilities
                                                      initialization }
    IF ValidateConfiguration(gConfiguration) THEN    { Make sure we can run }
        BEGIN
        InitUMacApp(20);                             { Initialize the Toolbox, making lots of calls to MoreMasters }
        InitUTEView;                                { Initialize TEView unit }
        InitUDialog;                                { Initialize other units }
        InitUGridView;

        NEW(gTestApplication);                        { Allocate a new TTestApplication object }
        FailNIL(gTestApplication);
        gTestApplication.ITestApplication;            { Initialize that new object }

        gTestApplication.Run;                        { Run the application. When it's done, exit. }
        END
    ELSE
        StdAlert(phUnsupportedConfiguration);
END.