git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10673 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
		
			
				
	
	
		
			261 lines
		
	
	
		
			8.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			261 lines
		
	
	
		
			8.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| ///////////////////////////////////////////////////////////////////////////////
 | |
| // Name:        textctrl.h
 | |
| // Purpose:     wxTextCtrlBase class - the interface of wxTextCtrl
 | |
| // Author:      Vadim Zeitlin
 | |
| // Modified by:
 | |
| // Created:     13.07.99
 | |
| // RCS-ID:      $Id$
 | |
| // Copyright:   (c) wxWindows team
 | |
| // Licence:     wxWindows licence
 | |
| ///////////////////////////////////////////////////////////////////////////////
 | |
| 
 | |
| #ifndef _WX_TEXTCTRL_H_BASE_
 | |
| #define _WX_TEXTCTRL_H_BASE_
 | |
| 
 | |
| // ----------------------------------------------------------------------------
 | |
| // headers
 | |
| // ----------------------------------------------------------------------------
 | |
| 
 | |
| #ifdef __GNUG__
 | |
|     #pragma interface "textctrlbase.h"
 | |
| #endif
 | |
| 
 | |
| #include "wx/defs.h"
 | |
| 
 | |
| #if wxUSE_TEXTCTRL
 | |
| 
 | |
| #include "wx/control.h"         // the base class
 | |
| 
 | |
| // 16-bit Borland 4.0 doesn't seem to allow multiple inheritance with wxWindow
 | |
| // and streambuf: it complains about deriving a huge class from the huge class
 | |
| // streambuf. !! Also, can't use streambuf if making or using a DLL :-(
 | |
| 
 | |
| #if (defined(__BORLANDC__)) || defined(__MWERKS__) || defined(_WINDLL) || defined(WXUSINGDLL) || defined(WXMAKINGDLL)
 | |
|     #define NO_TEXT_WINDOW_STREAM
 | |
| #endif
 | |
| 
 | |
| // the streambuf which is used in the declaration of wxTextCtrlBase below is not compatible
 | |
| // with the standard-conforming implementation found in newer egcs versions
 | |
| // (that is, the libstdc++ v3 that is shipped with it)
 | |
| #if defined(__GNUC__)&&( (__GNUC__>2) ||( (__GNUC__==2)&&(__GNUC_MINOR__>97) ) )
 | |
|     #define NO_TEXT_WINDOW_STREAM
 | |
| #endif
 | |
| 
 | |
| #ifndef NO_TEXT_WINDOW_STREAM
 | |
|     #if wxUSE_STD_IOSTREAM
 | |
|         #include "wx/ioswrap.h"    // for iostream classes if we need them
 | |
|     #else // !wxUSE_STD_IOSTREAM
 | |
|         // can't compile this feature in if we don't use streams at all
 | |
|         #define NO_TEXT_WINDOW_STREAM
 | |
|     #endif // wxUSE_STD_IOSTREAM/!wxUSE_STD_IOSTREAM
 | |
| #endif
 | |
| 
 | |
| class WXDLLEXPORT wxTextCtrl;
 | |
| 
 | |
| // ----------------------------------------------------------------------------
 | |
| // constants
 | |
| // ----------------------------------------------------------------------------
 | |
| 
 | |
| WXDLLEXPORT_DATA(extern const wxChar*) wxTextCtrlNameStr;
 | |
| WXDLLEXPORT_DATA(extern const wxChar*) wxEmptyString;
 | |
| 
 | |
| // ----------------------------------------------------------------------------
 | |
| // wxTextAttr: a structure containing the visual attributes of a text
 | |
| // ----------------------------------------------------------------------------
 | |
| 
 | |
| class WXDLLEXPORT wxTextAttr
 | |
| {
 | |
| public:
 | |
|     // ctors
 | |
|     wxTextAttr() { }
 | |
|     wxTextAttr(const wxColour& colText,
 | |
|                const wxColour& colBack = wxNullColour,
 | |
|                const wxFont& font = wxNullFont)
 | |
|         : m_colText(colText), m_colBack(colBack), m_font(font) { }
 | |
| 
 | |
|     // setters
 | |
|     void SetTextColour(const wxColour& colText) { m_colText = colText; }
 | |
|     void SetBackgroundColour(const wxColour& colBack) { m_colBack = colBack; }
 | |
|     void SetFont(const wxFont& font) { m_font = font; }
 | |
| 
 | |
|     // accessors
 | |
|     bool HasTextColour() const { return m_colText.Ok(); }
 | |
|     bool HasBackgroundColour() const { return m_colBack.Ok(); }
 | |
|     bool HasFont() const { return m_font.Ok(); }
 | |
| 
 | |
|     // setters
 | |
|     const wxColour& GetTextColour() const { return m_colText; }
 | |
|     const wxColour& GetBackgroundColour() const { return m_colBack; }
 | |
|     const wxFont& GetFont() const { return m_font; }
 | |
| 
 | |
|     // returns false if we have any attributes set, true otherwise
 | |
|     bool IsDefault() const
 | |
|     {
 | |
|         return !HasTextColour() && !HasBackgroundColour() && !HasFont();
 | |
|     }
 | |
| 
 | |
| private:
 | |
|     wxColour m_colText,
 | |
|              m_colBack;
 | |
|     wxFont   m_font;
 | |
| };
 | |
| 
 | |
| // ----------------------------------------------------------------------------
 | |
| // wxTextCtrl: a single or multiple line text zone where user can enter and
 | |
| // edit text
 | |
| // ----------------------------------------------------------------------------
 | |
| 
 | |
| class WXDLLEXPORT wxTextCtrlBase : public wxControl
 | |
| #ifndef NO_TEXT_WINDOW_STREAM
 | |
|                                  , public streambuf
 | |
| #endif
 | |
| 
 | |
| {
 | |
| public:
 | |
|     // creation
 | |
|     // --------
 | |
| 
 | |
|     wxTextCtrlBase();
 | |
|     ~wxTextCtrlBase();
 | |
| 
 | |
|     // accessors
 | |
|     // ---------
 | |
| 
 | |
|     virtual wxString GetValue() const = 0;
 | |
|     virtual void SetValue(const wxString& value) = 0;
 | |
| 
 | |
|     virtual int GetLineLength(long lineNo) const = 0;
 | |
|     virtual wxString GetLineText(long lineNo) const = 0;
 | |
|     virtual int GetNumberOfLines() const = 0;
 | |
| 
 | |
|     virtual bool IsModified() const = 0;
 | |
|     virtual bool IsEditable() const = 0;
 | |
| 
 | |
|     // If the return values from and to are the same, there is no selection.
 | |
|     virtual void GetSelection(long* from, long* to) const = 0;
 | |
| 
 | |
|     // operations
 | |
|     // ----------
 | |
| 
 | |
|     // editing
 | |
|     virtual void Clear() = 0;
 | |
|     virtual void Replace(long from, long to, const wxString& value) = 0;
 | |
|     virtual void Remove(long from, long to) = 0;
 | |
| 
 | |
|     // load/save the controls contents from/to the file
 | |
|     virtual bool LoadFile(const wxString& file);
 | |
|     virtual bool SaveFile(const wxString& file = wxEmptyString);
 | |
| 
 | |
|     // clears the dirty flag
 | |
|     virtual void DiscardEdits() = 0;
 | |
| 
 | |
|     // writing text inserts it at the current position, appending always
 | |
|     // inserts it at the end
 | |
|     virtual void WriteText(const wxString& text) = 0;
 | |
|     virtual void AppendText(const wxString& text) = 0;
 | |
| 
 | |
|     // text control under some platforms supports the text styles: these
 | |
|     // methods allow to apply the given text style to the given selection or to
 | |
|     // set/get the style which will be used for all appended text
 | |
|     virtual bool SetStyle(long start, long end, const wxTextAttr& style);
 | |
|     virtual bool SetDefaultStyle(const wxTextAttr& style);
 | |
|     virtual const wxTextAttr& GetDefaultStyle() const;
 | |
| 
 | |
|     // 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 = 0;
 | |
|     virtual bool PositionToXY(long pos, long *x, long *y) const = 0;
 | |
| 
 | |
|     virtual void ShowPosition(long pos) = 0;
 | |
| 
 | |
|     // Clipboard operations
 | |
|     virtual void Copy() = 0;
 | |
|     virtual void Cut() = 0;
 | |
|     virtual void Paste() = 0;
 | |
| 
 | |
|     virtual bool CanCopy() const;
 | |
|     virtual bool CanCut() const;
 | |
|     virtual bool CanPaste() const;
 | |
| 
 | |
|     // Undo/redo
 | |
|     virtual void Undo() = 0;
 | |
|     virtual void Redo() = 0;
 | |
| 
 | |
|     virtual bool CanUndo() const = 0;
 | |
|     virtual bool CanRedo() const = 0;
 | |
| 
 | |
|     // Insertion point
 | |
|     virtual void SetInsertionPoint(long pos) = 0;
 | |
|     virtual void SetInsertionPointEnd() = 0;
 | |
|     virtual long GetInsertionPoint() const = 0;
 | |
|     virtual long GetLastPosition() const = 0;
 | |
| 
 | |
|     virtual void SetSelection(long from, long to) = 0;
 | |
|     virtual void SelectAll();
 | |
|     virtual void SetEditable(bool editable) = 0;
 | |
| 
 | |
|     // streambuf methods
 | |
| #ifndef NO_TEXT_WINDOW_STREAM
 | |
|     int overflow(int i);
 | |
|     int sync();
 | |
|     int underflow();
 | |
| #endif // NO_TEXT_WINDOW_STREAM
 | |
| 
 | |
|     // stream-like insertion operators: these are always available, whether we
 | |
|     // were, or not, compiled with streambuf support
 | |
|     wxTextCtrl& operator<<(const wxString& s);
 | |
|     wxTextCtrl& operator<<(int i);
 | |
|     wxTextCtrl& operator<<(long i);
 | |
|     wxTextCtrl& operator<<(float f);
 | |
|     wxTextCtrl& operator<<(double d);
 | |
|     wxTextCtrl& operator<<(const wxChar c);
 | |
| 
 | |
|     // obsolete functions
 | |
| #if WXWIN_COMPATIBILITY
 | |
|     bool Modified() const { return IsModified(); }
 | |
| #endif
 | |
| 
 | |
| protected:
 | |
|     // the name of the last file loaded with LoadFile() which will be used by
 | |
|     // SaveFile() by default
 | |
|     wxString m_filename;
 | |
| 
 | |
|     // the text style which will be used for any new text added to the control
 | |
|     wxTextAttr m_defaultStyle;
 | |
| 
 | |
| private:
 | |
| #ifndef NO_TEXT_WINDOW_STREAM
 | |
| #if !wxUSE_IOSTREAMH
 | |
|     char *m_streambuf;
 | |
| #endif
 | |
| #endif
 | |
| };
 | |
| 
 | |
| // ----------------------------------------------------------------------------
 | |
| // include the platform-dependent class definition
 | |
| // ----------------------------------------------------------------------------
 | |
| 
 | |
| #if defined(__WXUNIVERSAL__)
 | |
|     #include "wx/univ/textctrl.h"
 | |
| #elif defined(__WXMSW__)
 | |
|     #include "wx/msw/textctrl.h"
 | |
| #elif defined(__WXMOTIF__)
 | |
|     #include "wx/motif/textctrl.h"
 | |
| #elif defined(__WXGTK__)
 | |
|     #include "wx/gtk/textctrl.h"
 | |
| #elif defined(__WXQT__)
 | |
|     #include "wx/qt/textctrl.h"
 | |
| #elif defined(__WXMAC__)
 | |
|     #include "wx/mac/textctrl.h"
 | |
| #elif defined(__WXPM__)
 | |
|     #include "wx/os2/textctrl.h"
 | |
| #elif defined(__WXSTUBS__)
 | |
|     #include "wx/stubs/textctrl.h"
 | |
| #endif
 | |
| 
 | |
| #endif // wxUSE_TEXTCTRL
 | |
| 
 | |
| #endif
 | |
|     // _WX_TEXTCTRL_H_BASE_
 |