]> git.saurik.com Git - wxWidgets.git/blob - include/wx/gtk/combobox.h
fixing overrelease and out-of-bounds write, fixes #13725
[wxWidgets.git] / include / wx / gtk / combobox.h
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: wx/gtk/combobox.h
3 // Purpose:
4 // Author: Robert Roebling
5 // Created: 01/02/97
6 // Id: $Id$
7 // Copyright: (c) 1998 Robert Roebling
8 // Licence: wxWindows licence
9 /////////////////////////////////////////////////////////////////////////////
10
11 #ifndef _WX_GTK_COMBOBOX_H_
12 #define _WX_GTK_COMBOBOX_H_
13
14 #include "wx/choice.h"
15
16 typedef struct _GtkEntry GtkEntry;
17
18 //-----------------------------------------------------------------------------
19 // wxComboBox
20 //-----------------------------------------------------------------------------
21
22 class WXDLLIMPEXP_CORE wxComboBox : public wxChoice,
23 public wxTextEntry
24 {
25 public:
26 wxComboBox()
27 : wxChoice(), wxTextEntry()
28 {
29 Init();
30 }
31 wxComboBox(wxWindow *parent,
32 wxWindowID id,
33 const wxString& value = wxEmptyString,
34 const wxPoint& pos = wxDefaultPosition,
35 const wxSize& size = wxDefaultSize,
36 int n = 0, const wxString choices[] = NULL,
37 long style = 0,
38 const wxValidator& validator = wxDefaultValidator,
39 const wxString& name = wxComboBoxNameStr)
40 : wxChoice(), wxTextEntry()
41 {
42 Init();
43 Create(parent, id, value, pos, size, n, choices, style, validator, name);
44 }
45
46 wxComboBox(wxWindow *parent, wxWindowID id,
47 const wxString& value,
48 const wxPoint& pos,
49 const wxSize& size,
50 const wxArrayString& choices,
51 long style = 0,
52 const wxValidator& validator = wxDefaultValidator,
53 const wxString& name = wxComboBoxNameStr)
54 : wxChoice(), wxTextEntry()
55 {
56 Init();
57 Create(parent, id, value, pos, size, choices, style, validator, name);
58 }
59 ~wxComboBox();
60
61 bool Create(wxWindow *parent, wxWindowID id,
62 const wxString& value = wxEmptyString,
63 const wxPoint& pos = wxDefaultPosition,
64 const wxSize& size = wxDefaultSize,
65 int n = 0, const wxString choices[] = (const wxString *) NULL,
66 long style = 0,
67 const wxValidator& validator = wxDefaultValidator,
68 const wxString& name = wxComboBoxNameStr);
69 bool Create(wxWindow *parent, wxWindowID id,
70 const wxString& value,
71 const wxPoint& pos,
72 const wxSize& size,
73 const wxArrayString& choices,
74 long style = 0,
75 const wxValidator& validator = wxDefaultValidator,
76 const wxString& name = wxComboBoxNameStr);
77
78 // Set/GetSelection() from wxTextEntry and wxChoice
79
80 virtual void SetSelection(int n) { wxChoice::SetSelection(n); }
81 virtual void SetSelection(long from, long to)
82 { wxTextEntry::SetSelection(from, to); }
83
84 virtual int GetSelection() const { return wxChoice::GetSelection(); }
85 virtual void GetSelection(long *from, long *to) const
86 { return wxTextEntry::GetSelection(from, to); }
87
88 virtual wxString GetStringSelection() const
89 {
90 return wxItemContainer::GetStringSelection();
91 }
92
93 virtual void SetString(unsigned int n, const wxString& string);
94
95 virtual void Popup();
96 virtual void Dismiss();
97
98 virtual void Clear()
99 {
100 wxTextEntry::Clear();
101 wxItemContainer::Clear();
102 }
103
104 // See wxComboBoxBase discussion of IsEmpty().
105 bool IsListEmpty() const { return wxItemContainer::IsEmpty(); }
106 bool IsTextEmpty() const { return wxTextEntry::IsEmpty(); }
107
108 void OnChar( wxKeyEvent &event );
109
110 virtual void SetValue(const wxString& value);
111
112 // Standard event handling
113 void OnCut(wxCommandEvent& event);
114 void OnCopy(wxCommandEvent& event);
115 void OnPaste(wxCommandEvent& event);
116 void OnUndo(wxCommandEvent& event);
117 void OnRedo(wxCommandEvent& event);
118 void OnDelete(wxCommandEvent& event);
119 void OnSelectAll(wxCommandEvent& event);
120
121 void OnUpdateCut(wxUpdateUIEvent& event);
122 void OnUpdateCopy(wxUpdateUIEvent& event);
123 void OnUpdatePaste(wxUpdateUIEvent& event);
124 void OnUpdateUndo(wxUpdateUIEvent& event);
125 void OnUpdateRedo(wxUpdateUIEvent& event);
126 void OnUpdateDelete(wxUpdateUIEvent& event);
127 void OnUpdateSelectAll(wxUpdateUIEvent& event);
128
129 virtual void GTKDisableEvents();
130 virtual void GTKEnableEvents();
131 GtkWidget* GetConnectWidget();
132
133 static wxVisualAttributes
134 GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
135
136 protected:
137 // From wxWindowGTK:
138 virtual GdkWindow *GTKGetWindow(wxArrayGdkWindows& windows) const;
139
140 // Widgets that use the style->base colour for the BG colour should
141 // override this and return true.
142 virtual bool UseGTKStyleBase() const { return true; }
143
144 // Override in derived classes to create combo box widgets with
145 // custom list stores.
146 virtual void GTKCreateComboBoxWidget();
147
148 virtual wxSize DoGetSizeFromTextSize(int xlen, int ylen = -1) const;
149
150 virtual GtkEntry *GetEntry() const
151 { return m_entry; }
152
153 GtkEntry* m_entry;
154
155 private:
156 // From wxTextEntry:
157 virtual wxWindow *GetEditableWindow() { return this; }
158 virtual GtkEditable *GetEditable() const;
159 virtual void EnableTextChangedEvents(bool enable);
160
161 void Init();
162
163 DECLARE_DYNAMIC_CLASS_NO_COPY(wxComboBox)
164 DECLARE_EVENT_TABLE()
165 };
166
167 #endif // _WX_GTK_COMBOBOX_H_