1 /////////////////////////////////////////////////////////////////////////////
2 // Name:        wx/gtk1/combobox.h
3 // Purpose:
4 // Author:      Robert Roebling
5 // Created:     01/02/97
6 // Copyright:   (c) 1998 Robert Roebling
7 // Licence:     wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9 
10 #ifndef __GTKCOMBOBOXH__
11 #define __GTKCOMBOBOXH__
12 
13 #include "wx/defs.h"
14 
15 #if wxUSE_COMBOBOX
16 
17 #include "wx/object.h"
18 
19 //-----------------------------------------------------------------------------
20 // classes
21 //-----------------------------------------------------------------------------
22 
23 class WXDLLIMPEXP_FWD_CORE wxComboBox;
24 
25 //-----------------------------------------------------------------------------
26 // global data
27 //-----------------------------------------------------------------------------
28 
29 extern WXDLLIMPEXP_DATA_CORE(const char) wxComboBoxNameStr[];
30 extern WXDLLIMPEXP_BASE const wxChar* wxEmptyString;
31 
32 //-----------------------------------------------------------------------------
33 // wxComboBox
34 //-----------------------------------------------------------------------------
35 
36 class WXDLLIMPEXP_CORE wxComboBox :
37     public wxWindowWithItems<wxControl, wxComboBoxBase>
38 {
39 public:
wxComboBox()40     inline wxComboBox() {}
41     inline wxComboBox(wxWindow *parent, wxWindowID id,
42            const wxString& value = wxEmptyString,
43            const wxPoint& pos = wxDefaultPosition,
44            const wxSize& size = wxDefaultSize,
45            int n = 0, const wxString choices[] = (const wxString *) NULL,
46            long style = 0,
47            const wxValidator& validator = wxDefaultValidator,
48            const wxString& name = wxComboBoxNameStr)
49     {
50         Create(parent, id, value, pos, size, n, choices, style, validator, name);
51     }
52     inline wxComboBox(wxWindow *parent, wxWindowID id,
53            const wxString& value,
54            const wxPoint& pos,
55            const wxSize& size,
56            const wxArrayString& choices,
57            long style = 0,
58            const wxValidator& validator = wxDefaultValidator,
59            const wxString& name = wxComboBoxNameStr)
60     {
61         Create(parent, id, value, pos, size, choices, style, validator, name);
62     }
63 
64     virtual ~wxComboBox();
65 
66     bool Create(wxWindow *parent, wxWindowID id,
67            const wxString& value = wxEmptyString,
68            const wxPoint& pos = wxDefaultPosition,
69            const wxSize& size = wxDefaultSize,
70            int n = 0, const wxString choices[] = (const wxString *) NULL,
71            long style = 0,
72            const wxValidator& validator = wxDefaultValidator,
73            const wxString& name = wxComboBoxNameStr);
74     bool Create(wxWindow *parent, wxWindowID id,
75            const wxString& value,
76            const wxPoint& pos,
77            const wxSize& size,
78            const wxArrayString& choices,
79            long style = 0,
80            const wxValidator& validator = wxDefaultValidator,
81            const wxString& name = wxComboBoxNameStr);
82 
83     void DoClear();
84     void DoDeleteOneItem(unsigned int n);
85 
86     virtual int FindString(const wxString& s, bool bCase = false) const;
87     int GetSelection() const;
88     int GetCurrentSelection() const;
89     virtual wxString GetString(unsigned int n) const;
90     wxString GetStringSelection() const;
91     virtual unsigned int GetCount() const;
92     virtual void SetSelection(int n);
93     virtual void SetString(unsigned int n, const wxString &text);
94 
GetValue()95     wxString GetValue() const { return DoGetValue(); }
96     void SetValue(const wxString& value);
97     void WriteText(const wxString& value);
98 
99     void Copy();
100     void Cut();
101     void Paste();
102     bool CanCopy() const;
103     bool CanCut() const;
104     bool CanPaste() const;
105     void SetInsertionPoint( long pos );
SetInsertionPointEnd()106     void SetInsertionPointEnd() { SetInsertionPoint( -1 ); }
107     long GetInsertionPoint() const;
108     virtual wxTextPos GetLastPosition() const;
Remove(long from,long to)109     void Remove(long from, long to) { Replace(from, to, wxEmptyString); }
110     void Replace( long from, long to, const wxString& value );
111     void SetSelection( long from, long to );
112     void GetSelection( long* from, long* to ) const;
113     void SetEditable( bool editable );
114     void Undo() ;
115     void Redo() ;
116     bool CanUndo() const;
117     bool CanRedo() const;
118     void SelectAll();
119     bool IsEditable() const ;
120     bool HasSelection() const ;
121 
122     // implementation
123 
124     virtual void SetFocus();
125 
126     void OnSize( wxSizeEvent &event );
127     void OnChar( wxKeyEvent &event );
128 
129     // Standard event handling
130     void OnCut(wxCommandEvent& event);
131     void OnCopy(wxCommandEvent& event);
132     void OnPaste(wxCommandEvent& event);
133     void OnUndo(wxCommandEvent& event);
134     void OnRedo(wxCommandEvent& event);
135     void OnDelete(wxCommandEvent& event);
136     void OnSelectAll(wxCommandEvent& event);
137 
138     void OnUpdateCut(wxUpdateUIEvent& event);
139     void OnUpdateCopy(wxUpdateUIEvent& event);
140     void OnUpdatePaste(wxUpdateUIEvent& event);
141     void OnUpdateUndo(wxUpdateUIEvent& event);
142     void OnUpdateRedo(wxUpdateUIEvent& event);
143     void OnUpdateDelete(wxUpdateUIEvent& event);
144     void OnUpdateSelectAll(wxUpdateUIEvent& event);
145 
146     bool     m_ignoreNextUpdate:1;
147     wxList   m_clientDataList;
148     wxList   m_clientObjectList;
149     int      m_prevSelection;
150 
151     void DisableEvents();
152     void EnableEvents();
153     GtkWidget* GetConnectWidget();
154     bool IsOwnGtkWindow( GdkWindow *window );
155     void DoApplyWidgetStyle(GtkRcStyle *style);
156 
157     static wxVisualAttributes
158     GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
159 
160 protected:
161     virtual int DoInsertItems(const wxArrayStringsAdapter& items,
162                               unsigned int pos,
163                               void **clientData, wxClientDataType type);
164 
165     virtual void DoSetItemClientData(unsigned int n, void* clientData);
166     virtual void* DoGetItemClientData(unsigned int n) const;
167 
168     virtual wxSize DoGetBestSize() const;
169 
170     // implement wxTextEntry pure virtual methods
171     virtual wxString DoGetValue() const;
GetEditableWindow()172     virtual wxWindow *GetEditableWindow() { return this; }
173 
174     // Widgets that use the style->base colour for the BG colour should
175     // override this and return true.
UseGTKStyleBase()176     virtual bool UseGTKStyleBase() const { return true; }
177 
178 private:
179     DECLARE_DYNAMIC_CLASS_NO_COPY(wxComboBox)
180     DECLARE_EVENT_TABLE()
181 };
182 
183 #endif
184 
185 #endif
186 
187   // __GTKCOMBOBOXH__
188