custctrl.h

非常好用的可移植的多平台C/C++源代码编辑器

    inline void SetInsertionPoint ( long pos, long first_visible = -1 )
    {
        if ( m_data.SetInsertionPoint (pos,first_visible) )
            Draw ();
    }

    virtual void DoDraw ( wxDC& dc, const wxRect& rect );
    virtual void DoMove ( int x, int y );
    virtual void DoSetSize ( int width, int height );
    virtual void OnFocus ( bool focused );
    virtual bool OnKeyEvent ( wxKeyEvent& event );
    virtual bool OnMouseFocus ( bool entry );
    virtual bool OnMouseEvent ( wxMouseEvent& event, wxCustomControlHandler* pdata );
    virtual void SetFont ( wxFont& font, wxDC* pdc );

protected:
    wxCustomTextCtrlHandler    m_data;
};

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

//#define wxCC_BT_DOWN    wxCC_EXTRA_FLAG(0)

class WXDLLIMPEXP_CC wxCCustomButton : public wxCustomControl
{
	DECLARE_DYNAMIC_CLASS(wxCCustomButton)

public:

    wxCCustomButton () : wxCustomControl() { }

    wxCCustomButton ( wxCustomControlManager* manager, wxWindowID id, const wxChar* label,
        const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize );
    virtual ~wxCCustomButton();

    inline void SetLabel ( const wxChar* label ) { m_data.m_label = label; }

    virtual void DoDraw ( wxDC& dc, const wxRect& rect );
    virtual void DoMove ( int x, int y );
    virtual void DoSetSize ( int width, int height );
    virtual bool OnKeyEvent ( wxKeyEvent& event );
    virtual bool OnMouseFocus ( bool entry );
    virtual bool OnMouseEvent ( wxMouseEvent& event, wxCustomControlHandler* pdata );
    //virtual void SetFont ( wxFont& font );

protected:
    wxCCustomButtonHandler      m_data;
};

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

#define wxCH_CC_DOUBLE_CLICK_CYCLES     0x0010 // double-clicking cycles the selection
#define wxCH_CC_IMAGE_EXTENDS           0x0020 // image is drawn outside in non-popup portion
#define wxCH_CC_DROPDOWN_ANCHOR_RIGHT   0x0040 // anchor drop-down to right edge of parent window.

class WXDLLIMPEXP_CC wxCCustomComboBox : public wxCustomControl
{
	DECLARE_DYNAMIC_CLASS(wxCCustomComboBox)

public:

    wxCCustomComboBox () : wxCustomControl() { }

    wxCCustomComboBox ( wxCustomControlManager* manager, wxWindowID id,
        const wxString& value = wxEmptyString,
        const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize,
        int n = 0, const wxChar* choices[] = NULL, long style = 0,
        const wxSize& imagesize = wxDefaultSize );
    virtual ~wxCCustomComboBox();

    inline int Append( const wxString& str )
    {
        return ((wxCCustomComboBoxDefaultHandler*)m_chData)->Append( str );
    }

    inline wxWindow* GetPopupInstance() const { return m_chData->GetPopupInstance(); }

    inline int GetSelection () const { return ((wxCCustomComboBoxDefaultHandler*)m_chData)->GetSelection(); }

    inline const wxString& GetValue () const
    {
        return m_chData->m_text;
    }

    void SetSelection ( int n );

    inline void SetImagePaintFunction ( wxCustomPaintFunc paintfunc, void* userdata )
    {
        m_chData->m_paintfunc = paintfunc;
        m_chData->m_paintfunc_customdata = userdata;
    }

    virtual void DoDraw ( wxDC& dc, const wxRect& rect );
    virtual bool OnKeyEvent ( wxKeyEvent& event );
    virtual bool OnMouseFocus ( bool entry );
    virtual bool OnMouseEvent ( wxMouseEvent& event, wxCustomControlHandler* pdata );
    virtual void DoMove ( int x, int y );
    virtual void DoSetSize ( int width, int height );

    inline void SetValue ( const wxString& text )
    {
        m_chData->SetValue(text);
        Draw();
    }

    inline const wxString& SetValue () const
    {
        return m_chData->GetValue();
    }

protected:
    wxCCustomComboBoxHandler*    m_chData;
};

class WXDLLIMPEXP_CC wxCCustomChoice : public wxCCustomComboBox
{
	DECLARE_DYNAMIC_CLASS(wxCCustomChoice)

public:

    wxCCustomChoice () : wxCCustomComboBox() { }

    wxCCustomChoice ( wxCustomControlManager* manager, wxWindowID id,
        const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize,
        int n = 0, const wxChar* choices[] = NULL, long style = 0,
        const wxSize& imagesize = wxDefaultSize );
    virtual ~wxCCustomChoice();
};

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

#endif // wxPG_USE_CUSTOM_CONTROLS

#if wxPG_USE_GENERIC_TEXTCTRL

#define wxGTextCtrlBase wxControl

class WXDLLIMPEXP_CC wxGenericTextCtrl : public wxGTextCtrlBase
{
public:
    // creation
    // --------

    wxGenericTextCtrl() { Init(); }
    wxGenericTextCtrl(wxWindow *parent, wxWindowID id,
                      const wxString& value = wxEmptyString,
                      const wxPoint& pos = wxDefaultPosition,
                      const wxSize& size = wxDefaultSize,
                      long style = 0,
                      const wxValidator& validator = wxDefaultValidator,
                      const wxString& name = wxTextCtrlNameStr)
    {
        Init();

        Create(parent, id, value, pos, size, style, validator, name);
    }
    ~wxGenericTextCtrl();

    bool Create(wxWindow *parent, wxWindowID id,
                const wxString& value = wxEmptyString,
                const wxPoint& pos = wxDefaultPosition,
                const wxSize& size = wxDefaultSize,
                long style = 0,
                const wxValidator& validator = wxDefaultValidator,
                const wxString& name = wxTextCtrlNameStr);

    // implement base class pure virtuals
    // ----------------------------------
    virtual wxString GetValue() const;
    virtual void SetValue(const wxString& value);

    virtual wxString GetRange(long from, long to) const;

    virtual int GetLineLength(long lineNo) const;
    virtual wxString GetLineText(long lineNo) const;
    virtual int GetNumberOfLines() const;

    virtual bool IsModified() const;
    virtual bool IsEditable() const;

    virtual void GetSelection(long* from, long* to) const;

    // operations
    // ----------
    virtual void Remove(long from, long to);

    // special
    void DispatchEvent( int evtId );
    bool SetInsertionPoint (long pos,
                            long first_visible = -1);
    void DeleteSelection ();
    bool SetSelection ( long from, long to );

    inline wxTextPos GetLastPosition() const
    {
        return m_text.length();
    }

    // Standard wxWindow virtual overrides
    virtual void SetFocus();

protected:

    int HitTest ( wxCoord x, int* pCol );
    void RecalculateMetrics();

    // common part of all ctors
    void Init();

    wxString        m_text;
    wxCaret*        m_pCaret;
    unsigned int    m_position;
    unsigned int    m_scrollPosition;
    int             m_selStart;
    int             m_selEnd;
    int             m_itemButDown; // dragging centers around this
    int             m_fontHeight;

    bool            m_isModified;
    bool            m_isEditable;

    wxArrayInt      m_arrExtents; // cached array of text extents

    //int UpdateExtentCache ( wxString& tempstr, size_t index );

    // event handlers
    void OnKeyEvent ( wxKeyEvent& event );
    void OnMouseEvent ( wxMouseEvent& event );
    void OnPaint ( wxPaintEvent& event );

/*    inline void ShowCaret ()
    {
        if ( m_pCaret && !(m_flags & wxCCM_FL_CARETVISIBLE) )
        {
            m_pCaret->Show ( TRUE );
            m_flags |= wxCCM_FL_CARETVISIBLE;
            //wxLogDebug ( wxT("ShowCaret( visible_after=%i )"), (int)m_pCaret->IsVisible() );
        }
    }*/

    inline void ShowCaretBalanced ()
    {
        m_pCaret->Show ( TRUE );
    }

    inline void HideCaretBalanced ()
    {
        m_pCaret->Show ( FALSE );
    }

    //void MoveCaret ( int x, int y );

/*    inline void HideCaret ()
    {
        if ( m_pCaret && ( m_flags & wxCCM_FL_CARETVISIBLE ) )
        {
            m_pCaret->Show ( FALSE );
            m_flags &= ~(wxCCM_FL_CARETVISIBLE);
            //wxLogDebug ( wxT("HideCaret( visible_after=%i )"), (int)m_pCaret->IsVisible() );
        }
    }*/

    inline bool IsCaretVisible () const
    {
        //if ( m_pCaret )
            return m_pCaret->IsVisible();
        //return FALSE;
    }

    /*
    // editing
    virtual void Clear();
    virtual void Replace(long from, long to, const wxString& value);
    virtual void Remove(long from, long to);

    // load the controls contents from the file
    virtual bool LoadFile(const wxString& file);

    // clears the dirty flag
    virtual void MarkDirty();
    virtual void DiscardEdits();

    virtual void SetMaxLength(unsigned long len);

    // writing text inserts it at the current position, appending always
    // inserts it at the end
    virtual void WriteText(const wxString& text);
    virtual void AppendText(const wxString& text);

#ifdef __WIN32__
    virtual bool EmulateKeyPress(const wxKeyEvent& event);
#endif // __WIN32__

#if wxUSE_RICHEDIT
    // apply text attribute to the range of text (only works with richedit
    // controls)
    virtual bool SetStyle(long start, long end, const wxTextAttr& style);
    virtual bool SetDefaultStyle(const wxTextAttr& style);
    virtual bool GetStyle(long position, wxTextAttr& style);
#endif // wxUSE_RICHEDIT

    // translate between the position (which is just an index in the text ctrl
    // considering all its contents as a single strings) and (x, y) coordinates
    // which represent column and line.
    virtual long XYToPosition(long x, long y) const;
    virtual bool PositionToXY(long pos, long *x, long *y) const;

    virtual void ShowPosition(long pos);
    virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt, long *pos) const;
    virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt,
                                            wxTextCoord *col,
                                            wxTextCoord *row) const
    {
        return wxTextCtrlBase::HitTest(pt, col, row);
    }

    // Clipboard operations
    virtual void Copy();
    virtual void Cut();
    virtual void Paste();

    virtual bool CanCopy() const;
    virtual bool CanCut() const;
    virtual bool CanPaste() const;

    // Undo/redo
    virtual void Undo();
    virtual void Redo();

    virtual bool CanUndo() const;
    virtual bool CanRedo() const;

    // Insertion point
    virtual void SetInsertionPoint(long pos);
    virtual void SetInsertionPointEnd();
    virtual long GetInsertionPoint() const;
    virtual wxTextPos GetLastPosition() const;

    virtual void SetSelection(long from, long to);
    virtual void SetEditable(bool editable);

    // Caret handling (Windows only)

    bool ShowNativeCaret(bool show = true);
    bool HideNativeCaret() { return ShowNativeCaret(false); }

    // Implementation from now on
    // --------------------------

    virtual void SetWindowStyleFlag(long style);

    virtual void Command(wxCommandEvent& event);
    virtual bool MSWCommand(WXUINT param, WXWORD id);
    virtual WXHBRUSH MSWControlColor(WXHDC hDC);

#if wxUSE_RICHEDIT
    virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);

    int GetRichVersion() const { return m_verRichEdit; }
    bool IsRich() const { return m_verRichEdit != 0; }

    // rich edit controls are not compatible with normal ones and wem ust set
    // the colours for them otherwise
    virtual bool SetBackgroundColour(const wxColour& colour);
    virtual bool SetForegroundColour(const wxColour& colour);
#endif // wxUSE_RICHEDIT

    virtual void AdoptAttributesFromHWND();

    virtual bool AcceptsFocus() const;

    // callbacks
    void OnDropFiles(wxDropFilesEvent& event);
    void OnChar(wxKeyEvent& event); // Process 'enter' if required

    void OnCut(wxCommandEvent& event);
    void OnCopy(wxCommandEvent& event);
    void OnPaste(wxCommandEvent& event);
    void OnUndo(wxCommandEvent& event);
    void OnRedo(wxCommandEvent& event);
    void OnDelete(wxCommandEvent& event);
    void OnSelectAll(wxCommandEvent& event);

    void OnUpdateCut(wxUpdateUIEvent& event);
    void OnUpdateCopy(wxUpdateUIEvent& event);
    void OnUpdatePaste(wxUpdateUIEvent& event);
    void OnUpdateUndo(wxUpdateUIEvent& event);
    void OnUpdateRedo(wxUpdateUIEvent& event);
    void OnUpdateDelete(wxUpdateUIEvent& event);
    void OnUpdateSelectAll(wxUpdateUIEvent& event);

    // Show a context menu for Rich Edit controls (the standard
    // EDIT control has one already)
    void OnContextMenu(wxContextMenuEvent& event);

    // be sure the caret remains invisible if the user
    // called HideNativeCaret() before
    void OnSetFocus(wxFocusEvent& event);

protected:

    // intercept WM_GETDLGCODE
    virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);

    // call this to increase the size limit (will do nothing if the current
    // limit is big enough)
    //
    // returns true if we increased the limit to allow entering more text,
    // false if we hit the limit set by SetMaxLength() and so didn't change it
    bool AdjustSpaceLimit();

#if wxUSE_RICHEDIT && (!wxUSE_UNICODE || wxUSE_UNICODE_MSLU)
    // replace the selection or the entire control contents with the given text
    // in the specified encoding
    bool StreamIn(const wxString& value, wxFontEncoding encoding, bool selOnly);

    // get the contents of the control out as text in the given encoding
    wxString StreamOut(wxFontEncoding encoding, bool selOnly = false) const;
#endif // wxUSE_RICHEDIT

    // replace the contents of the selection or of the entire control with the
    // given text
    void DoWriteText(const wxString& text, bool selectionOnly = true);

    // set the selection possibly without scrolling the caret into view
    void DoSetSelection(long from, long to, bool scrollCaret = true);

    // return true if there is a non empty selection in the control
    bool HasSelection() const;

    // get the length of the line containing the character at the given
    // position
    long GetLengthOfLineContainingPos(long pos) const;

    // send TEXT_UPDATED event, return true if it was handled, false otherwise
    bool SendUpdateEvent();

    // override some base class virtuals
    virtual bool MSWShouldPreProcessMessage(WXMSG* pMsg);
    virtual wxSize DoGetBestSize() const;

    virtual WXDWORD MSWGetStyle(long style, WXDWORD *exstyle) const;

#if wxUSE_RICHEDIT
    // we're using RICHEDIT (and not simple EDIT) control if this field is not
    // 0, it also gives the version of the RICHEDIT control being used (1, 2 or
    // 3 so far)
    int m_verRichEdit;
#endif // wxUSE_RICHEDIT

    // number of EN_UPDATE events sent by Windows when we change the controls
    // text ourselves: we want this to be exactly 1
    int m_updatesCount;

    virtual wxVisualAttributes GetDefaultAttributes() const;

    wxMenu* m_privateContextMenu;

    bool m_isNativeCaretShown;
*/

private:
    DECLARE_EVENT_TABLE()
    DECLARE_DYNAMIC_CLASS_NO_COPY(wxGenericTextCtrl)
};

#endif

//
// Undefine macros that are not needed outside library source files
//
#ifndef __wxCCM_SOURCE_FILE__
# undef WXDLLIMPEXP_CC
#endif

#endif // __WX_CUSTCTRL_H__