MacHack 1996/MacHack 1996.toast/Hacks/Hacks ’95/Menu Controls/ShapeCommands.h

Text File | 1995-06-24 | 10.0 KB | 332 lines | [TEXT/MPS ]

// Copyright © 1994-95 by Apple Computer, Inc. All rights reserved.
// ShapeCommands.h

#ifndef __SHAPECOMMANDS__
#define __SHAPECOMMANDS__

// MacApp

#ifndef __UCOMMAND__
#include <UCommand.h>
#endif

#ifndef __UTEAROFFMENUVIEW__
#include <UTearOffMenuView.h>
#endif

// DrawShapes

#ifndef __BETTERFEEDBACK__
#include "BetterFeedback.h"
#endif

#ifndef __USHAPELIST__
#include "UShapeList.h"
#endif

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

class TPatternsPalette;
class TShapeView;
class TShapeDocument;

//--------------------------------------------------------------------------------------------------
// CLASS TShapeCommand - common ancestor for all commands operating on one or more shapes
//--------------------------------------------------------------------------------------------------
class TShapeCommand : public TBetterFeedbackCmd
{
    MA_DECLARE_CLASS;

  public:
    TShapeCommand();        // Constructor
    void IShapeCommand(CommandNumber itsCommandNumber,
                       TShapeView* itsShapeView,
                       Boolean canUndo,
                       Boolean causesChange,
                       const VPoint& theMouse,
                       Boolean betterFeedbackDesired);

  protected:
    TShapeView*        fShapeView;
    TShapeDocument*    fShapeDocument;
};

//--------------------------------------------------------------------------------------------------
// CLASS TShapeSelector - this command demonstrates the use of a command object that is not saved
//                          and that does not commit the last command. The same effect could have
//                          been achieved by selecting the shapes in the TrackMouse method.
//--------------------------------------------------------------------------------------------------
class TShapeSelector : public TShapeCommand
{
    MA_DECLARE_CLASS;

  public:
    TShapeSelector();        // Constructor
    void IShapeSelector(CommandNumber itsCommandNumber,
                        TShapeView* itsShapeView,
                        const VPoint& theMouse);

    virtual void DoIt();    // Override

    virtual void TrackFeedback(TrackPhase aTrackPhase,
                                const VPoint& anchorPoint,
                                const VPoint& previousPoint,
                                const VPoint& nextPoint,
                                Boolean mouseDidMove,
                                Boolean turnItOn);    // Override

    virtual TTracker* TrackMouse(TrackPhase aTrackPhase,
                                 VPoint& anchorPoint,
                                 VPoint& previousPoint,
                                 VPoint& nextPoint,
                                 Boolean mouseDidMove);    // Override

  private:
    long        fLastMarch;
    Pattern        fAnts;
    CRect        fBounds;
    Boolean        fShiftKey;
};

//--------------------------------------------------------------------------------------------------
// CLASS TShapeDragger -
//--------------------------------------------------------------------------------------------------
class TShapeDragger : public TShapeCommand
{
    MA_DECLARE_CLASS;

  public:
    TShapeDragger();        // Constructor
    void IShapeDragger(TShapeView* itsShapeView,
                       const VPoint& theMouse);

    virtual void DoIt();    // Override
    virtual void UndoIt();    // Override
    virtual void RedoIt();    // Override

    void MoveBy(long deltaH, long deltaV);

    virtual void TrackConstrain(TrackPhase aTrackPhase,
                                const VPoint& anchorPoint,
                                const VPoint& previousPoint,
                                VPoint& nextPoint,
                                Boolean mouseDidMove);    // Override
    // Only if gConstrainDrags is true is a shapeDragger marked as constraining the mouse,
    // so be sure to make gConstrainDrags TRUE before mousing down on something you want to
    // drag under constraint.
    // You manipulate the gConstrainDrags flag through a toggle in the 'More Debug' menu,
    // which you get displayed by hitting Command-D.

    virtual void TrackFeedback(TrackPhase aTrackPhase,
                                const VPoint& anchorPoint,
                                const VPoint& previousPoint,
                                const VPoint& nextPoint,
                                Boolean mouseDidMove,
                                Boolean turnItOn);    // Override

    virtual TTracker* TrackMouse(TrackPhase aTrackPhase,
                                 VPoint& anchorPoint,
                                 VPoint& previousPoint,
                                 VPoint& nextPoint,
                                 Boolean mouseDidMove);    // Override

  private:
    CRect        fBounds;        // Union of extents of all shapes being dragged, before the move
    long        fDeltaH;
    long        fDeltaV;
};

//--------------------------------------------------------------------------------------------------
// CLASS TReshadeCmd -
//--------------------------------------------------------------------------------------------------
class TReshadeCmd : public TTearOffMenuViewTracker
{
    MA_DECLARE_CLASS;

  public:
    TReshadeCmd();        // Constructor
    void IReshadeCmd(CommandNumber itsCommandNumber,
                     TShapeView* itsShapeView,
                     TPatternsPalette* thePatternsPalette,
                     TPatternsPalette* menuPatternsPalette,
                     TPatternsPalette* floatingPatternsPalette,
                     const VPoint& theMouse);

    virtual TTracker* TrackMouse(TrackPhase aTrackPhase,
                                 VPoint& anchorPoint,
                                 VPoint& previousPoint,
                                 VPoint& nextPoint,
                                 Boolean mouseDidMove);    // Override

    virtual void TrackFeedback(TrackPhase aTrackPhase,
                                const VPoint& anchorPoint,
                                const VPoint& previousPoint,
                                const VPoint& nextPoint,
                                Boolean mouseDidMove,
                                Boolean turnItOn);    // Override

    virtual Boolean IsDoneTracking();    // Override

    virtual void DoIt();    // Override
    virtual void UndoIt();    // Override
    virtual void RedoIt();    // Override

  private:
    TShapeView*            fShapeView;
    TShapeDocument*        fShapeDocument;
    short                fPattern;
    Boolean                fExitTracking;
    TPatternsPalette*    fMenuPatternsPalette;
    TPatternsPalette*    fFloatingPatternsPalette;
};

//--------------------------------------------------------------------------------------------------
// CLASS TRecolorCmd - the set of shapes affected by the reshade request is defined by the
//                       fWasSelected fields of the shapes themselves
//--------------------------------------------------------------------------------------------------
class TRecolorCmd : public TShapeCommand
{
    MA_DECLARE_CLASS;

  public:
    TRecolorCmd();        // Constructor
    void IRecolorCmd(CRGBColor itsColor, TShapeView* itsShapeView);

    virtual void DoIt();    // Override
    virtual void UndoIt();    // Override
    virtual void RedoIt();    // Override

  private:
    CRGBColor    fColor;
};

//--------------------------------------------------------------------------------------------------
// CLASS TShapeReplaceCommand -
//--------------------------------------------------------------------------------------------------
class TShapeReplaceCommand : public TShapeCommand
{
    MA_DECLARE_CLASS;

  public:
    TShapeReplaceCommand();        // Constructor
    void IShapeReplaceCommand(CommandNumber itsCommandNumber,
                              TShapeView* itsShapeView,
                              const VPoint& theMouse,
                              Boolean betterFeedbackDesired);

    virtual void Commit();    // Override
    virtual void UndoIt();    // Override
    virtual void RedoIt();    // Override

    virtual void EachNewShapeDo(DoToShapeType DoToShape, void* staticLink);
};

//--------------------------------------------------------------------------------------------------
// CLASS TShapeSketcher -
//--------------------------------------------------------------------------------------------------
class TShapeSketcher : public TShapeReplaceCommand
{
    MA_DECLARE_CLASS;

  public:
    TShapeSketcher();        // Constructor
    void IShapeSketcher(TShapeView* itsShapeView,
                        TShape* protoShape,
                        const VPoint& theMouse,
                        Boolean constrain);

    virtual void Free();    // Override

    // • Command performing
    virtual void Commit();    // Override
    virtual void DoIt();    // Override
    virtual void UndoIt();    // Override
    virtual void RedoIt();    // Override

    virtual void EachNewShapeDo(DoToShapeType DoToShape, void* staticLink);    // Override

    virtual void TrackConstrain(TrackPhase aTrackPhase,
                                const VPoint& anchorPoint,
                                const VPoint& previousPoint,
                                VPoint& nextPoint,
                                Boolean mouseDidMove);    // Override

    virtual void TrackFeedback(TrackPhase aTrackPhase,
                                const VPoint& anchorPoint,
                                const VPoint& previousPoint,
                                const VPoint& nextPoint,
                                Boolean mouseDidMove,
                                Boolean turnItOn);    // Override

    virtual TTracker* TrackMouse(TrackPhase aTrackPhase,
                                 VPoint& anchorPoint,
                                 VPoint& previousPoint,
                                 VPoint& nextPoint,
                                 Boolean mouseDidMove);    // Override

  private:
    TShape*        fShape;            // the shape sketched by the user
};

//--------------------------------------------------------------------------------------------------
// CLASS TShapeCutCopyCommand -
//--------------------------------------------------------------------------------------------------
class TShapeCutCopyCommand : public TShapeReplaceCommand
{
    MA_DECLARE_CLASS;

  public:
    TShapeCutCopyCommand();        // Constructor
    void IShapeCutCopyCommand(CommandNumber itsCommandNumber,
                              TShapeView* itsShapeView);

    virtual void DoIt();    // Override
    virtual void RedoIt();    // Override
};

//--------------------------------------------------------------------------------------------------
// CLASS TShapeClearCommand -
//--------------------------------------------------------------------------------------------------
class TShapeClearCommand : public TShapeReplaceCommand
{
    MA_DECLARE_CLASS;

  public:
    TShapeClearCommand();        // Constructor
    void IShapeClearCommand(TShapeView* itsShapeView);

    virtual void DoIt();    // Override
    virtual void RedoIt();    // Override
};

//--------------------------------------------------------------------------------------------------
// CLASS TShapePasteCommand -
//--------------------------------------------------------------------------------------------------
class TShapePasteCommand : public TShapeReplaceCommand
{
    MA_DECLARE_CLASS;

  public:
    TShapePasteCommand();        // Constructor
    void IShapePasteCommand(TShapeView* itsShapeView);

    virtual void Free();    // Override

    // • Command performing
    virtual void Commit();    // Override
    virtual void DoIt();    // Override
    virtual void UndoIt();    // Override
    virtual void RedoIt();    // Override

    virtual void EachNewShapeDo(DoToShapeType DoToShape, void* staticLink);    // Override

    void PasteShapes(CPoint whereToPaste);
    void PastePict(CPoint whereToPaste);
    void PasteText(CPoint whereToPaste);

  private:
    TShapeList*        fPasteList;
};

#endif