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 #endif
  33
  34 //-----------------------------------------------------------------------------
  35 // classes
  36 //-----------------------------------------------------------------------------
  37
  38 class wxTextCtrl;
  39
  40 //-----------------------------------------------------------------------------
  41 // global data
  42 //-----------------------------------------------------------------------------
  43
  44 extern const char *wxTextCtrlNameStr;
  45
  46 //-----------------------------------------------------------------------------
  47 //  wxTextCtrl
  48 //-----------------------------------------------------------------------------
  49
  50 #if wxUSE_STD_IOSTREAM
  51 class wxTextCtrl: public wxControl, public streambuf
  52 #else
  53 class wxTextCtrl: public wxControl
  54 #endif
  55 {
  56   DECLARE_EVENT_TABLE()
  57   DECLARE_DYNAMIC_CLASS(wxTextCtrl);
  58
  59   public:
  60     wxTextCtrl();
  61     wxTextCtrl( wxWindow *parent, wxWindowID id, const wxString &value = "",
  62       const wxPoint &pos = wxDefaultPosition, const wxSize &size = wxDefaultSize,
  63       int style = 0, const wxValidator& validator = wxDefaultValidator,
  64       const wxString &name = wxTextCtrlNameStr );
  65     bool Create( 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     wxString GetValue() const;
  70     void SetValue( const wxString &value );
  71     void WriteText( const wxString &text );
  72     void AppendText( const wxString &text );
  73
  74     bool LoadFile( const wxString &file );
  75     bool SaveFile( const wxString &file );
  76     bool IsModified() const { return m_modified; }
  77     void SetModified() { m_modified = TRUE; }
  78     void DiscardEdits() { m_modified = FALSE; }
  79     wxString GetLineText( long lineNo ) const;
  80     void OnDropFiles( wxDropFilesEvent &event );
  81     long PositionToXY( long pos, long *x, long *y ) const;
  82     long XYToPosition( long x, long y ) const;
  83     int GetLineLength(long lineNo) const;
  84     int GetNumberOfLines() const;
  85     virtual void SetInsertionPoint( long pos );
  86     virtual void SetInsertionPointEnd();
  87     virtual void SetEditable( bool editable );
  88     virtual void SetSelection( long from, long to );
  89     void ShowPosition( long pos );
  90     virtual long GetInsertionPoint() const;
  91     virtual long GetLastPosition() const;
  92     virtual void Remove( long from, long to );
  93     virtual void Replace( long from, long to, const wxString &value );
  94     void Cut();
  95     void Copy();
  96     void Paste();
  97     void Clear();
  98
  99     virtual bool CanCopy() const;
 100     virtual bool CanCut() const;
 101     virtual bool CanPaste() const;
 102
 103     // Undo/redo
 104     virtual void Undo();
 105     virtual void Redo();
 106
 107     virtual bool CanUndo() const;
 108     virtual bool CanRedo() const;
 109
 110     // If the return values from and to are the same, there is no
 111     // selection.
 112     virtual void GetSelection(long* from, long* to) const;
 113     virtual bool IsEditable() const ;
 114
 115     void OnChar( wxKeyEvent &event );
 116
 117     void OnCut(wxCommandEvent& event);
 118     void OnCopy(wxCommandEvent& event);
 119     void OnPaste(wxCommandEvent& event);
 120     void OnUndo(wxCommandEvent& event);
 121     void OnRedo(wxCommandEvent& event);
 122
 123     void OnUpdateCut(wxUpdateUIEvent& event);
 124     void OnUpdateCopy(wxUpdateUIEvent& event);
 125     void OnUpdatePaste(wxUpdateUIEvent& event);
 126     void OnUpdateUndo(wxUpdateUIEvent& event);
 127     void OnUpdateRedo(wxUpdateUIEvent& event);
 128
 129 #if wxUSE_STD_IOSTREAM
 130     int overflow(int i);
 131     int sync();
 132     int underflow();
 133 #endif
 134
 135     wxTextCtrl& operator<<(const wxString& s);
 136     wxTextCtrl& operator<<(int i);
 137     wxTextCtrl& operator<<(long i);
 138     wxTextCtrl& operator<<(float f);
 139     wxTextCtrl& operator<<(double d);
 140     wxTextCtrl& operator<<(const char c);
 141
 142     bool SetFont( const wxFont &font );
 143     bool SetForegroundColour(const wxColour &colour);
 144     bool SetBackgroundColour(const wxColour &colour);
 145
 146   // implementation
 147
 148     GtkWidget* GetConnectWidget();
 149     bool IsOwnGtkWindow( GdkWindow *window );
 150     void ApplyWidgetStyle();
 151     void CalculateScrollbar();
 152
 153   private:
 154
 155     bool        m_modified;
 156     GtkWidget  *m_text;
 157     GtkWidget  *m_vScrollbar;
 158     bool        m_vScrollbarVisible;
 159 };
 160
 161 #endif // __GTKTEXTCTRLH__
 162
 163