File: textctrl.h

package info (click to toggle)
wxwidgets3.0 3.0.5.1%2Bdfsg-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 120,464 kB
  • sloc: cpp: 896,633; makefile: 52,303; ansic: 21,971; sh: 5,713; python: 2,940; xml: 1,534; perl: 264; javascript: 33
file content (195 lines) | stat: -rw-r--r-- 6,161 bytes parent folder | download | duplicates (10)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
/////////////////////////////////////////////////////////////////////////////
// Name:        wx/gtk1/textctrl.h
// Purpose:
// Author:      Robert Roebling
// Created:     01/02/97
// Copyright:   (c) 1998 Robert Roebling
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifndef __GTKTEXTCTRLH__
#define __GTKTEXTCTRLH__

//-----------------------------------------------------------------------------
// wxTextCtrl
//-----------------------------------------------------------------------------

class WXDLLIMPEXP_CORE wxTextCtrl: public wxTextCtrlBase
{
public:
    wxTextCtrl() { Init(); }
    wxTextCtrl(wxWindow *parent,
               wxWindowID id,
               const wxString &value = wxEmptyString,
               const wxPoint &pos = wxDefaultPosition,
               const wxSize &size = wxDefaultSize,
               long style = 0,
               const wxValidator& validator = wxDefaultValidator,
               const wxString &name = wxTextCtrlNameStr);

    virtual ~wxTextCtrl();

    bool Create(wxWindow *parent,
                wxWindowID id,
                const wxString &value = wxEmptyString,
                const wxPoint &pos = wxDefaultPosition,
                const wxSize &size = wxDefaultSize,
                long style = 0,
                const wxValidator& validator = wxDefaultValidator,
                const wxString &name = wxTextCtrlNameStr);

    // implement base class pure virtuals
    // ----------------------------------

    virtual int GetLineLength(long lineNo) const;
    virtual wxString GetLineText(long lineNo) const;
    virtual int GetNumberOfLines() const;

    virtual bool IsModified() const;
    virtual bool IsEditable() const;

    // If the return values from and to are the same, there is no selection.
    virtual void GetSelection(long* from, long* to) const;

    // operations
    // ----------

    // editing
    virtual void Clear();
    virtual void Replace(long from, long to, const wxString& value);
    virtual void Remove(long from, long to);

    // sets/clears the dirty flag
    virtual void MarkDirty();
    virtual void DiscardEdits();

    virtual void SetMaxLength(unsigned long len);

    // writing text inserts it at the current position, appending always
    // inserts it at the end
    virtual void WriteText(const wxString& text);
    virtual void AppendText(const wxString& text);

    // apply text attribute to the range of text (only works with richedit
    // controls)
    virtual bool SetStyle(long start, long end, const wxTextAttr& style);

    // 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;
    virtual bool PositionToXY(long pos, long *x, long *y) const;

    virtual void ShowPosition(long pos);

    // Clipboard operations
    virtual void Copy();
    virtual void Cut();
    virtual void Paste();

    // Undo/redo
    virtual void Undo();
    virtual void Redo();

    virtual bool CanUndo() const;
    virtual bool CanRedo() const;

    // Insertion point
    virtual void SetInsertionPoint(long pos);
    virtual void SetInsertionPointEnd();
    virtual long GetInsertionPoint() const;
    virtual wxTextPos GetLastPosition() const;

    virtual void SetSelection(long from, long to);
    virtual void SetEditable(bool editable);

    virtual void DoEnable( bool enable );

    // Implementation from now on
    void OnDropFiles( wxDropFilesEvent &event );
    void OnChar( wxKeyEvent &event );

    void OnCut(wxCommandEvent& event);
    void OnCopy(wxCommandEvent& event);
    void OnPaste(wxCommandEvent& event);
    void OnUndo(wxCommandEvent& event);
    void OnRedo(wxCommandEvent& event);

    void OnUpdateCut(wxUpdateUIEvent& event);
    void OnUpdateCopy(wxUpdateUIEvent& event);
    void OnUpdatePaste(wxUpdateUIEvent& event);
    void OnUpdateUndo(wxUpdateUIEvent& event);
    void OnUpdateRedo(wxUpdateUIEvent& event);

    bool SetFont(const wxFont& font);
    bool SetForegroundColour(const wxColour& colour);
    bool SetBackgroundColour(const wxColour& colour);

    GtkWidget* GetConnectWidget();
    bool IsOwnGtkWindow( GdkWindow *window );
    void DoApplyWidgetStyle(GtkRcStyle *style);
    void CalculateScrollbar();
    void OnInternalIdle();

    void SetUpdateFont(bool update) { m_updateFont = update; }
    void UpdateFontIfNeeded();

    void SetModified() { m_modified = true; }

    // textctrl specific scrolling
    virtual bool ScrollLines(int lines);
    virtual bool ScrollPages(int pages);

    // implementation only from now on

    // tell the control to ignore next text changed signal
    void IgnoreNextTextUpdate();

    // should we ignore the changed signal? always resets the flag
    bool IgnoreTextUpdate();

    static wxVisualAttributes
    GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);

protected:
    virtual wxSize DoGetBestSize() const;

    // common part of all ctors
    void Init();

    // overridden wxWindow methods
    virtual void DoFreeze();
    virtual void DoThaw();

    // get the vertical adjustment, if any, NULL otherwise
    GtkAdjustment *GetVAdj() const;

    // scroll the control by the given number of pixels, return true if the
    // scroll position changed
    bool DoScroll(GtkAdjustment *adj, int diff);

    // Widgets that use the style->base colour for the BG colour should
    // override this and return true.
    virtual bool UseGTKStyleBase() const { return true; }

    virtual void DoSetValue(const wxString &value, int flags = 0);
    virtual wxString DoGetValue() const;

private:
    // change the font for everything in this control
    void ChangeFontGlobally();

    GtkWidget  *m_text;
    GtkWidget  *m_vScrollbar;

    bool        m_modified:1;
    bool        m_vScrollbarVisible:1;
    bool        m_updateFont:1;
    bool        m_ignoreNextUpdate:1;

    DECLARE_EVENT_TABLE()
    DECLARE_DYNAMIC_CLASS(wxTextCtrl)
};

#endif // __GTKTEXTCTRLH__