bevinfo.h

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// $Id: bevinfo.h 1751 2006-09-13 11:33:14Z luke $
/* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE
================================XARAHEADERSTART===========================
 
               Xara LX, a vector drawing and manipulation program.
                    Copyright (C) 1993-2006 Xara Group Ltd.
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              respective authors. See AUTHORS file for details.

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----------------------------------

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=================================XARAHEADEREND============================
 */
// FreeHand Tool Info bar operations


#ifndef FREEINFO_INC
#define FREEINFO_INC

//#include "bars.h" - in camtypes.h [AUTOMATICALLY REMOVED]
class BevelTool;
class BevelInfo;
class BevelBlob;

/********************************************************************************************

>   class BevelInfoBarOp : public InformationBarOp

    Author:     David_McClarnon (Xara Group Ltd) <camelotdev@xara.com>
    Created:    15/2/99
    Purpose:    Class for handling the Bevel tool's information bar.

********************************************************************************************/

class BevelInfoBarOp : public InformationBarOp
{
    CC_DECLARE_DYNCREATE( BevelInfoBarOp )  
public:
    // Dummy default constructor for DYNCREATE
    BevelInfoBarOp();

    // All messages to the info bar come through here
    MsgResult   Message(Msg* Msg);

    // Functions to allow the tool to talk to the info bar
    void SetToolActiveState(BOOL IsToolActive);
    void SetRetroState(BOOL CanRetroFit);
    void SetRetroString();

    virtual void UpdateState(); // Called during idle processing to disable controls

    // this updates the controls depending on the current selection
    void UpdateControls();

    // updates the variables depending on the slider if bIntoVariables is TRUE,
    // if bIntoVariables is FALSE then updates the slider depending on the variables
    void SliderUpdate(BOOL bIntoVariables, BOOL bTestMany = TRUE);

    // Keep a pointer to the Freehand tool in here
    BevelTool   *   pTool;
    BOOL            CanRetroFit;

    // Since we get Selection Changing message before the controls are made
    // we need to keep a flag to indicate if the controls have been built
    BOOL            ControlsExist;

    // creates/updates bevel on selected objects
    void DoBevel();

    // slider values
    // public so external classes can set them
    INT32 m_Depth;
    INT32 m_LightAngle;
    INT32 m_Contrast;
    INT32 m_SliderComboIndex;
    INT32 m_LightTilt;

    // sets up a bevelinfo class dependent on the settings of the dialog
    // public because the tool needs to use this too for the blob dragging code
    void SetUpBevelInfo(BevelInfo * pBevelInfo);

    // used by the bevel controller node to determine if the bevel info bar
    // is active or not
    static BevelInfoBarOp * GetCurrentBevelInfoBar() { return pCurrentBar; }

    // starts the drag on a particular blob
    void BeginDrag(BevelBlob * pBlob);

    // deals with pointer movement messages when dragging
    void DragPointerMove( DocCoord PointerPos, ClickModifiers ClickMods, 
                                   Spread* pSpread, BOOL bSolidDrag);

    // finishes the drag & updates the variables in the particular blobs list
    void DragFinished( DocCoord PointerPos, ClickModifiers ClickMods, 
                                Spread* pSpread, BOOL Success, BOOL bSolidDrag);

    // returns TRUE for being in the middle of a drag
    BOOL AmDragging() { return m_bAmDragging; }

    // returns TRUE for dragging the slider
    BOOL AmDraggingSlider() { return m_bAmDraggingSlider; }

    void UpdateInnerOuterButtons(BOOL bMany, BOOL bOuter, BOOL bNoSelection);

    // when the slider is a depth slider, these set & get its values (the slider
    // is logarithmic)
    MILLIPOINT GetSliderDepth();
    void SetSliderDepth(MILLIPOINT Depth);

    static BevelInfoBarOp * pCurrentBar;

    BOOL m_BetweenViews;

private:
    // conversion functions for the edit box
    BOOL ConvertValueToString(String_256 &In, const INT32 value, UnitType type=NOTYPE);
    BOOL ConvertStringToValue(CGadgetID ID,INT32 &value);

    void HandleBevelTypeChanged();
    void HandleSliderChanged();
    void HandleBevelDirectionChanged();

    void HandleBevelDirectionsToInner();
    void HandleBevelDirectionsToOuter();

    // Karim 11/09/2000
    // New methods to support the new join-type infobar buttons.

    void HandleJoinTypeMitreClicked();
    void HandleJoinTypeRoundClicked();
    void HandleJoinTypeBevelClicked();
    void ChangeJoinType(JointType jt);
    void UpdateJoinTypeControls();
    void EnableDisableJoinTypeControls();


    // control enabling stuff
    BOOL m_bControlsEnabled;
    BOOL m_bComboChanged;

    void RedrawBlobs(BOOL bAngle = TRUE, BOOL bTilt = FALSE);

    BevelBlob * m_pDragBlob;

    // the angle of the blob before dragging
    INT32 m_BlobAngle;

    BOOL m_bAmDragging;

    void SetBlobNodesAngle(INT32 Angle);

    // does the AttributeSelected with the given parameters
    void DoBevelAttrChange(BevelInfo *pBI);

    // has the user set the inner/outer ?
    BOOL m_bUserSet;
    INT32 m_UserIndent;

    // functions for loading strings into combos
    void LoadBevelTypeComboStrings(BOOL bMany);
    void LoadBevelDirectionComboStrings(BOOL bMany);

    BOOL m_bButtonIsInner;
    BOOL m_bButtonIsOuter;

    BOOL m_bAmDraggingSlider;

    MILLIPOINT m_LastDragWidth;
};
    

/********************************************************************************************

>   class BevelInfoBarOpCreate : public BarCreate

    Author:     Rik_Heywood (Xara Group Ltd) <camelotdev@xara.com>
    Created:    28/4/94
    Purpose:    Class for creating BevelInfoBarOps.
                Derived classes of BarCreate are used by DialogBarOp::ReadBarsFromFile()

********************************************************************************************/

class BevelInfoBarOpCreate : public BarCreate
{
public:
    DialogBarOp*    Create() { return (new BevelInfoBarOp); }
};



#endif  // FREEINFO_INC

---