texttool.h

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// $Id: texttool.h 1535 2006-07-25 16:50:32Z alex $
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 */
// Header for the Text tool implementation

#ifndef INC_TEXTTOOL
#define INC_TEXTTOOL

//#include "tool.h" - in camtypes.h [AUTOMATICALLY REMOVED]
#include "transop.h"

class Cursor;
class TextStory;
class CaretNode;
class KeyPress;

#if !defined(EXCLUDE_FROM_RALPH)
class TextInfoBarOp;
#endif

/********************************************************************************************
>   class TextToolBlobPosItem : public ListItem

    Author:     Peter_Arnold (Xara Group Ltd) <camelotdev@xara.com>
    Created:    5/2/96
    Purpose:    The class of objects stored in the TextToolBlobPosList.  These items store
                the blobs position and associated story.
********************************************************************************************/
class TextToolBlobPosItem : public ListItem
{
public:
    CC_DECLARE_DYNAMIC(TextToolBlobPosItem);
    TextToolBlobPosItem(DocCoord Left, DocCoord Right, BOOL Connected, TextStory* pStory);
    ~TextToolBlobPosItem();

public:
    // Access functions
    DocCoord GetLeftBlobPos() const     {return m_LeftBlobPos;}
    DocCoord GetRightBlobPos() const    {return m_RightBlobPos;}
    BOOL IsConnected() const            {return m_BlobsConnected;}
    TextStory* GetBlobStory() const     {return m_pTextStory;}

protected:
    DocCoord m_LeftBlobPos;
    DocCoord m_RightBlobPos;
    BOOL m_BlobsConnected;
    TextStory* m_pTextStory;
};


/********************************************************************************************
>   class TextToolBlobPosList : public List

    Author:     Peter_Arnold (Xara Group Ltd) <camelotdev@xara.com>
    Created:    5/2/96
    Purpose:    A list the positions of blobs that the text tool is rendering as tool blobs.
                This class is just a wrapper arouind the list class, providing common handling
                functions.
********************************************************************************************/
class TextToolBlobPosList : public List
{
public:
    CC_DECLARE_DYNAMIC(TextToolBlobPosList);
    TextToolBlobPosList();
    ~TextToolBlobPosList();

    BOOL BuildFromSelection();
    BOOL RenderAllBlobs(Spread* pSpread = NULL, DocRect* pClipRect = NULL);
    static void RenderBlobPair(Spread* pSpread, DocRect* pClipRect, TextToolBlobPosItem* pPair);
    static void RenderBlob(Spread* pSpread, DocRect* pClipRect, DocCoord BlobPos);
    BOOL FindBlobStory(Spread* pSpread, DocCoord PointerPos, BOOL* pLeft, TextStory** pStory);
    BOOL RenderAndRemove(TextStory* pStory); 
    void RenderAndRemoveAll(); 

    Spread* GetBlobSpread() const {return m_pSelSpread;}

protected:
    Spread* m_pSelSpread;
};





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

>   class TextTool : public Tool_v1

    Author:     Mark_Neves (Xara Group Ltd) <camelotdev@xara.com>
    Created:    3/10/94
    Purpose:    A template tool class

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

class CCAPI TextTool : public Tool_v1
{
CC_DECLARE_MEMDUMP(TextTool);

public:
    TextTool();
    ~TextTool();

    // Standard calls your tool must provide
    BOOL Init();
    void Describe(void* InfoPtr);
    UINT32 GetID() { return TOOLID_TEXT; };

    // This returns TRUE if the text-tool is delaying it's updates until it is idle.  It
    // is used by the OLE update routines to avoid luching redraws ...
    static BOOL DelayingUpdate();
    
    // Some very common event handlers
    void SelectChange(BOOL isSelected);
    void OnClick( DocCoord, ClickType, ClickModifiers, Spread* );
    void OnMouseMove(DocCoord PointerPos,Spread* pSpread, ClickModifiers ClickMods);
    void RenderToolBlobs(Spread *, DocRect*);

    // new event handles for handling tab stops on the page ruler
    void GetRulerOrigin(Spread*,UserCoord*);
    void RenderRulerBlobs(RulerBase* pRuler, UserRect& UpdateRect, BOOL IsBackground);
    BOOL OnRulerClick( UserCoord PointerPos, ClickType Click, ClickModifiers Mods,
                       Spread* pSpread, RulerBase* pRuler);
    BOOL GetRulerStatusLineText(String_256* pText, UserCoord PointerPos, Spread* pSpread, RulerBase* pRuler);


    BOOL OnKeyPress(KeyPress* pKeyPress);
    BOOL GetStatusLineText(String_256* ptext, Spread* pSpread, DocCoord DocPos, ClickModifiers ClickMods);
    BOOL OnIdle();

    // Some useful static functions
#if !defined(EXCLUDE_FROM_RALPH)
    static TextInfoBarOp*   GetTextInfoBarOp()  { return pTextInfoBarOp; }
#endif
    static BOOL             IsCurrentTool()      { return CurrentTool; }

    void LocaleChanged();
    BOOL SelectionHasChanged();

    virtual BOOL AreToolBlobsRenderedOnSelection() {return TRUE;}

protected:
    // Status line help functions
    void DisplayStatusBarHelp(DocCoord DocPos, Spread* pSpread, ClickModifiers ClickMods);
    void GetCurrentStatusText(String_256* ptext, Spread* pSpread, DocCoord DocPos, ClickModifiers ClickMods);

    // Mouse click and movement functions
    BOOL IsPointNearUnselectedTextStory(Spread*, DocCoord, TextStory**, Node**, BOOL);
    BOOL IsPointNearNonStoryPath(Spread*, DocCoord, NodePath**, BOOL);
    BOOL HandleSingleClick(Spread*, DocCoord, ClickModifiers);
    BOOL HandleDoubleClick(Spread*, DocCoord, ClickModifiers);
    BOOL HandleTripleClick(Spread*, DocCoord, ClickModifiers);
    BOOL HandleQuadClick(Spread*, DocCoord, ClickModifiers);
    BOOL HandleDragClick(Spread*, DocCoord, ClickModifiers);

    // Keypress processing
    BOOL RegisterDeadKeys();
    BOOL RemoveDeadKeys();
    BOOL RegisterAdditionalVirtKey(KeyPress** pKey, TCHAR ch);
    BOOL HandleSpecialNonStoryKeys(KeyPress* pKeyPress);
    BOOL HandleSpecialStoryAndNonStoryKeys(KeyPress* pKeyPress);
    BOOL HandleDeadKeys(KeyPress* pKeyPress, WCHAR* pNewUnicode);
    BOOL TestForDeadKey(KeyPress* pKeyPress, KeyPress* pDeadKeypress);
    BOOL HandleSpecialStoryKeys(KeyPress* pKeyPress, TextStory* pStory, CaretNode* pCaret);
    BOOL IsUsableUnicode(WCHAR CodeValue);
    BOOL ApplyBold();
    BOOL ApplyItalic();
    BOOL IncreaseTrackKern();
    BOOL DecreaseTrackKern();
    BOOL CommonApplyKern(MILLIPOINT ChangeAmmount);
    BOOL CommonApplyTracking(MILLIPOINT ChangeAmmount);

    BOOL OnToolSelect();
    BOOL OnToolDeselect();

    BOOL CreateCursors();                       // Create  your tool's cursors in this func
    void DestroyCursors();                      // Destroy your tool's cursors in this func

    static BOOL             CurrentTool;        // Can be useful to keep a "is my tool currenmt?" flag
#if !defined(EXCLUDE_FROM_RALPH)
    static TextInfoBarOp*   pTextInfoBarOp;     // Ptr to your tool's infobar
#endif

    Cursor* pcNormalTextCursor;
    Cursor* pcBlobTextCursor;
    Cursor* pcBlankCursor;
    Cursor* pcIndentCursor;
    Cursor* pcCurrentCursor;

    INT32 CurrentCursorID;                      // A unique cursor id for Jim's new cursor stacking
    BOOL IsBlankCursorUp;

    // Standard tool static vars
    static  TCHAR* FamilyName;                  // The Tools Family Name
    static  TCHAR* ToolName;                        // The Tool Name
    static  TCHAR* Purpose;                     // What the tool is for
    static  TCHAR* Author;                      // Who wrote it

    BOOL UpdateAfterTyping;

    TextStory* pLastFocusStory;

    // Ini file preferences
    static BOOL UseDeadKeys;

    // Used for dead key accent entry
    KeyPress* PreviousDeadKey;
    KeyPress* GraveVirtKey;
    KeyPress* AcuteVirtKey;
    KeyPress* HatVirtKey;
    KeyPress* TildeVirtKey;
    KeyPress* ColonVirtKey;
    KeyPress* AtVirtKey;
    KeyPress* CommaVirtKey;
    KeyPress* SlashVirtKey;

    // List of current blobs
    TextToolBlobPosList m_BlobPosList;
};


#endif          // INC_TEXTTOOL

---