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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 #ifndef __GTKTEXTCTRLH__
12 #define __GTKTEXTCTRLH__
13
14 #ifdef __GNUG__
15 #pragma interface "textctrl.h"
16 #endif
17
18 //-----------------------------------------------------------------------------
19 // classes
20 //-----------------------------------------------------------------------------
21
22 class wxTextCtrl;
23
24 //-----------------------------------------------------------------------------
25 // wxTextCtrl
26 //-----------------------------------------------------------------------------
27
28 class wxTextCtrl: public wxTextCtrlBase
29 {
30 public:
31 wxTextCtrl();
32 wxTextCtrl(wxWindow *parent,
33 wxWindowID id,
34 const wxString &value = wxEmptyString,
35 const wxPoint &pos = wxDefaultPosition,
36 const wxSize &size = wxDefaultSize,
37 long style = 0,
38 const wxValidator& validator = wxDefaultValidator,
39 const wxString &name = wxTextCtrlNameStr);
40
41 bool Create(wxWindow *parent,
42 wxWindowID id,
43 const wxString &value = wxEmptyString,
44 const wxPoint &pos = wxDefaultPosition,
45 const wxSize &size = wxDefaultSize,
46 long style = 0,
47 const wxValidator& validator = wxDefaultValidator,
48 const wxString &name = wxTextCtrlNameStr);
49
50 // implement base class pure virtuals
51 // ----------------------------------
52
53 virtual wxString GetValue() const;
54 virtual void SetValue(const wxString& value);
55
56 virtual int GetLineLength(long lineNo) const;
57 virtual wxString GetLineText(long lineNo) const;
58 virtual int GetNumberOfLines() const;
59
60 virtual bool IsModified() const;
61 virtual bool IsEditable() const;
62
63 // If the return values from and to are the same, there is no selection.
64 virtual void GetSelection(long* from, long* to) const;
65
66 // operations
67 // ----------
68
69 // editing
70 virtual void Clear();
71 virtual void Replace(long from, long to, const wxString& value);
72 virtual void Remove(long from, long to);
73
74 // clears the dirty flag
75 virtual void DiscardEdits();
76
77 // writing text inserts it at the current position, appending always
78 // inserts it at the end
79 virtual void WriteText(const wxString& text);
80 virtual void AppendText(const wxString& text);
81
82 // translate between the position (which is just an index in the text ctrl
83 // considering all its contents as a single strings) and (x, y) coordinates
84 // which represent column and line.
85 virtual long XYToPosition(long x, long y) const;
86 virtual bool PositionToXY(long pos, long *x, long *y) const;
87
88 virtual void ShowPosition(long pos);
89
90 // Clipboard operations
91 virtual void Copy();
92 virtual void Cut();
93 virtual void Paste();
94
95 virtual bool CanCopy() const;
96 virtual bool CanCut() const;
97 virtual bool CanPaste() const;
98
99 // Undo/redo
100 virtual void Undo();
101 virtual void Redo();
102
103 virtual bool CanUndo() const;
104 virtual bool CanRedo() const;
105
106 // Insertion point
107 virtual void SetInsertionPoint(long pos);
108 virtual void SetInsertionPointEnd();
109 virtual long GetInsertionPoint() const;
110 virtual long GetLastPosition() const;
111
112 virtual void SetSelection(long from, long to);
113 virtual void SetEditable(bool editable);
114
115 virtual bool Enable( bool enable );
116
117 // Implementation from now on
118 void OnDropFiles( wxDropFilesEvent &event );
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 bool SetFont( const wxFont &font );
134 bool SetForegroundColour(const wxColour &colour);
135 bool SetBackgroundColour(const wxColour &colour);
136
137 GtkWidget* GetConnectWidget();
138 bool IsOwnGtkWindow( GdkWindow *window );
139 void ApplyWidgetStyle();
140 void CalculateScrollbar();
141 void OnInternalIdle();
142
143 void SetModified() { m_modified = TRUE; }
144
145 protected:
146 virtual wxSize DoGetBestSize() const;
147
148 private:
149 bool m_modified;
150 GtkWidget *m_text;
151 GtkWidget *m_vScrollbar;
152 bool m_vScrollbarVisible;
153
154 DECLARE_EVENT_TABLE()
155 DECLARE_DYNAMIC_CLASS(wxTextCtrl);
156 };
157
158 #endif // __GTKTEXTCTRLH__
159