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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() { Init(); } | |
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 | // apply text attribute to the range of text (only works with richedit | |
83 | // controls) | |
84 | virtual bool SetStyle(long start, long end, const wxTextAttr& style); | |
85 | ||
86 | // translate between the position (which is just an index in the text ctrl | |
87 | // considering all its contents as a single strings) and (x, y) coordinates | |
88 | // which represent column and line. | |
89 | virtual long XYToPosition(long x, long y) const; | |
90 | virtual bool PositionToXY(long pos, long *x, long *y) const; | |
91 | ||
92 | virtual void ShowPosition(long pos); | |
93 | ||
94 | // Clipboard operations | |
95 | virtual void Copy(); | |
96 | virtual void Cut(); | |
97 | virtual void Paste(); | |
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 | void UpdateFontIfNeeded(); | |
143 | ||
144 | void SetModified() { m_modified = TRUE; } | |
145 | ||
146 | // GTK+ textctrl is so dumb that you need to freeze/thaw it manually to | |
147 | // avoid horrible flicker/scrolling back and forth | |
148 | virtual void Freeze(); | |
149 | virtual void Thaw(); | |
150 | ||
151 | // textctrl specific scrolling | |
152 | virtual bool ScrollLines(int lines); | |
153 | virtual bool ScrollPages(int pages); | |
154 | ||
155 | // wxGTK-specific: called recursively by Enable, | |
156 | // to give widgets an oppprtunity to correct their colours after they | |
157 | // have been changed by Enable | |
158 | virtual void OnParentEnable( bool enable ) ; | |
159 | ||
160 | protected: | |
161 | virtual wxSize DoGetBestSize() const; | |
162 | ||
163 | // common part of all ctors | |
164 | void Init(); | |
165 | ||
166 | // get the vertical adjustment, if any, NULL otherwise | |
167 | GtkAdjustment *GetVAdj() const; | |
168 | ||
169 | // scroll the control by the given number of pixels, return true if the | |
170 | // scroll position changed | |
171 | bool DoScroll(GtkAdjustment *adj, int diff); | |
172 | ||
173 | private: | |
174 | // change the font for everything in this control | |
175 | void ChangeFontGlobally(); | |
176 | ||
177 | bool m_modified; | |
178 | GtkWidget *m_text; | |
179 | GtkWidget *m_vScrollbar; | |
180 | bool m_vScrollbarVisible; | |
181 | bool m_updateFont; | |
182 | ||
183 | DECLARE_EVENT_TABLE() | |
184 | DECLARE_DYNAMIC_CLASS(wxTextCtrl); | |
185 | }; | |
186 | ||
187 | #endif // __GTKTEXTCTRLH__ | |
188 |