1 ///////////////////////////////////////////////////////////////////////////////
2 // Name:        wx/gtk/textentry.h
3 // Purpose:     wxGTK-specific wxTextEntry implementation
4 // Author:      Vadim Zeitlin
5 // Created:     2007-09-24
6 // Copyright:   (c) 2007 Vadim Zeitlin <vadim@wxwindows.org>
7 // Licence:     wxWindows licence
8 ///////////////////////////////////////////////////////////////////////////////
9 
10 #ifndef _WX_GTK_TEXTENTRY_H_
11 #define _WX_GTK_TEXTENTRY_H_
12 
13 typedef struct _GdkEventKey GdkEventKey;
14 typedef struct _GtkEditable GtkEditable;
15 typedef struct _GtkEntry GtkEntry;
16 
17 // ----------------------------------------------------------------------------
18 // wxTextEntry: roughly corresponds to GtkEditable
19 // ----------------------------------------------------------------------------
20 
21 class WXDLLIMPEXP_CORE wxTextEntry : public wxTextEntryBase
22 {
23 public:
wxTextEntry()24     wxTextEntry() { }
25 
26     // implement wxTextEntryBase pure virtual methods
27     virtual void WriteText(const wxString& text);
28     virtual void Remove(long from, long to);
29 
30     virtual void Copy();
31     virtual void Cut();
32     virtual void Paste();
33 
34     virtual void Undo();
35     virtual void Redo();
36     virtual bool CanUndo() const;
37     virtual bool CanRedo() const;
38 
39     virtual void SetInsertionPoint(long pos);
40     virtual long GetInsertionPoint() const;
41     virtual long GetLastPosition() const;
42 
43     virtual void SetSelection(long from, long to);
44     virtual void GetSelection(long *from, long *to) const;
45 
46     virtual bool IsEditable() const;
47     virtual void SetEditable(bool editable);
48 
49     virtual void SetMaxLength(unsigned long len);
50 
51     // implementation only from now on
52     void SendMaxLenEvent();
53     bool GTKEntryOnInsertText(const char* text);
54 
55 protected:
56     // This method must be called from the derived class Create() to connect
57     // the handlers for the clipboard (cut/copy/paste) events.
58     void GTKConnectClipboardSignals(GtkWidget* entry);
59 
60     // And this one to connect "insert-text" signal.
61     void GTKConnectInsertTextSignal(GtkEntry* entry);
62 
63 
64     virtual void DoSetValue(const wxString& value, int flags);
65     virtual wxString DoGetValue() const;
66 
67     // margins functions
68     virtual bool DoSetMargins(const wxPoint& pt);
69     virtual wxPoint DoGetMargins() const;
70 
71     virtual bool DoAutoCompleteStrings(const wxArrayString& choices);
72 
73     // Override the base class method to use GtkEntry IM context.
74     virtual int GTKIMFilterKeypress(GdkEventKey* event) const;
75 
76 private:
77     // implement this to return the associated GtkEntry or another widget
78     // implementing GtkEditable
79     virtual GtkEditable *GetEditable() const = 0;
80 
81     // implement this to return the associated GtkEntry
82     virtual GtkEntry *GetEntry() const = 0;
83 };
84 
85 #endif // _WX_GTK_TEXTENTRY_H_
86 
87