include/wx/gtk/textctrl.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        textctrl.h
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Created:     01/02/97
   6 // Id:          $Id$
   7 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11
  12 #ifndef __GTKTEXTCTRLH__
  13 #define __GTKTEXTCTRLH__
  14
  15 #ifdef __GNUG__
  16 #pragma interface
  17 #endif
  18
  19 #include "wx/defs.h"
  20 #include "wx/object.h"
  21 #include "wx/string.h"
  22 #include "wx/control.h"
  23
  24 #if wxUSE_STD_IOSTREAM
  25
  26 #if wxUSE_IOSTREAMH
  27 #include <iostream.h>
  28 #else
  29 #include <iostream>
  30 #endif
  31
  32 #else
  33
  34 #define NO_TEXT_WINDOW_STREAM
  35
  36 #endif
  37
  38 //-----------------------------------------------------------------------------
  39 // classes
  40 //-----------------------------------------------------------------------------
  41
  42 class wxTextCtrl;
  43
  44 //-----------------------------------------------------------------------------
  45 // global data
  46 //-----------------------------------------------------------------------------
  47
  48 extern const char *wxTextCtrlNameStr;
  49
  50 //-----------------------------------------------------------------------------
  51 //  wxTextCtrl
  52 //-----------------------------------------------------------------------------
  53
  54 #ifndef NO_TEXT_WINDOW_STREAM
  55 class wxTextCtrl: public wxControl, public streambuf
  56 #else
  57 class wxTextCtrl: public wxControl
  58 #endif
  59 {
  60   DECLARE_EVENT_TABLE()
  61   DECLARE_DYNAMIC_CLASS(wxTextCtrl);
  62
  63   public:
  64     wxTextCtrl();
  65     wxTextCtrl( wxWindow *parent, wxWindowID id, const wxString &value = "",
  66       const wxPoint &pos = wxDefaultPosition, const wxSize &size = wxDefaultSize,
  67       int style = 0, const wxValidator& validator = wxDefaultValidator,
  68       const wxString &name = wxTextCtrlNameStr );
  69     bool Create( wxWindow *parent, wxWindowID id, const wxString &value = "",
  70       const wxPoint &pos = wxDefaultPosition, const wxSize &size = wxDefaultSize,
  71       int style = 0, const wxValidator& validator = wxDefaultValidator,
  72       const wxString &name = wxTextCtrlNameStr );
  73     wxString GetValue() const;
  74     void SetValue( const wxString &value );
  75     void WriteText( const wxString &text );
  76     void AppendText( const wxString &text );
  77
  78     bool LoadFile( const wxString &file );
  79     bool SaveFile( const wxString &file );
  80     bool IsModified() const { return m_modified; }
  81     void SetModified() { m_modified = TRUE; }
  82     void DiscardEdits() { m_modified = FALSE; }
  83     wxString GetLineText( long lineNo ) const;
  84     void OnDropFiles( wxDropFilesEvent &event );
  85     long PositionToXY( long pos, long *x, long *y ) const;
  86     long XYToPosition( long x, long y ) const;
  87     int GetLineLength(long lineNo) const;
  88     int GetNumberOfLines() const;
  89     virtual void SetInsertionPoint( long pos );
  90     virtual void SetInsertionPointEnd();
  91     virtual void SetEditable( bool editable );
  92     virtual void SetSelection( long from, long to );
  93     void ShowPosition( long pos );
  94     virtual long GetInsertionPoint() const;
  95     virtual long GetLastPosition() const;
  96     virtual void Remove( long from, long to );
  97     virtual void Replace( long from, long to, const wxString &value );
  98     void Cut();
  99     void Copy();
 100     void Paste();
 101     void Clear();
 102
 103     virtual bool CanCopy() const;
 104     virtual bool CanCut() const;
 105     virtual bool CanPaste() const;
 106
 107     // Undo/redo
 108     virtual void Undo();
 109     virtual void Redo();
 110
 111     virtual bool CanUndo() const;
 112     virtual bool CanRedo() const;
 113
 114     // If the return values from and to are the same, there is no
 115     // selection.
 116     virtual void GetSelection(long* from, long* to) const;
 117     virtual bool IsEditable() const ;
 118
 119     void OnChar( wxKeyEvent &event );
 120
 121     void OnCut(wxCommandEvent& event);
 122     void OnCopy(wxCommandEvent& event);
 123     void OnPaste(wxCommandEvent& event);
 124     void OnUndo(wxCommandEvent& event);
 125     void OnRedo(wxCommandEvent& event);
 126
 127     void OnUpdateCut(wxUpdateUIEvent& event);
 128     void OnUpdateCopy(wxUpdateUIEvent& event);
 129     void OnUpdatePaste(wxUpdateUIEvent& event);
 130     void OnUpdateUndo(wxUpdateUIEvent& event);
 131     void OnUpdateRedo(wxUpdateUIEvent& event);
 132
 133 #ifndef NO_TEXT_WINDOW_STREAM
 134     int overflow(int i);
 135     int sync();
 136     int underflow();
 137
 138     wxTextCtrl& operator<<(const wxString& s);
 139     wxTextCtrl& operator<<(int i);
 140     wxTextCtrl& operator<<(long i);
 141     wxTextCtrl& operator<<(float f);
 142     wxTextCtrl& operator<<(double d);
 143     wxTextCtrl& operator<<(const char c);
 144 #endif
 145
 146     void SetFont( const wxFont &font );
 147     void SetForegroundColour(const wxColour &colour);
 148     void SetBackgroundColour(const wxColour &colour);
 149
 150   // implementation
 151
 152     GtkWidget* GetConnectWidget();
 153     bool IsOwnGtkWindow( GdkWindow *window );
 154     void ApplyWidgetStyle();
 155     void CalculateScrollbar();
 156
 157   private:
 158
 159     bool        m_modified;
 160     GtkWidget  *m_text;
 161     GtkWidget  *m_vScrollbar;
 162     bool        m_vScrollbarVisible;
 163 };
 164
 165 #endif // __GTKTEXTCTRLH__
 166
 167