1 ///////////////////////////////////////////////////////////////////////////////
2 // Name:        wx/listbox.h
3 // Purpose:     wxListBox class interface
4 // Author:      Vadim Zeitlin
5 // Modified by:
6 // Created:     22.10.99
7 // RCS-ID:      $Id: listbox.h 49563 2007-10-31 20:46:21Z VZ $
8 // Copyright:   (c) wxWidgets team
9 // Licence:     wxWindows licence
10 ///////////////////////////////////////////////////////////////////////////////
11 
12 #ifndef _WX_LISTBOX_H_BASE_
13 #define _WX_LISTBOX_H_BASE_
14 
15 // ----------------------------------------------------------------------------
16 // headers
17 // ----------------------------------------------------------------------------
18 
19 #include "wx/defs.h"
20 
21 #if wxUSE_LISTBOX
22 
23 #include "wx/ctrlsub.h"         // base class
24 
25 // forward declarations are enough here
26 class WXDLLIMPEXP_FWD_BASE wxArrayInt;
27 class WXDLLIMPEXP_FWD_BASE wxArrayString;
28 
29 // ----------------------------------------------------------------------------
30 // global data
31 // ----------------------------------------------------------------------------
32 
33 extern WXDLLEXPORT_DATA(const wxChar) wxListBoxNameStr[];
34 
35 // ----------------------------------------------------------------------------
36 // wxListBox interface is defined by the class wxListBoxBase
37 // ----------------------------------------------------------------------------
38 
39 class WXDLLEXPORT wxListBoxBase : public wxControlWithItems
40 {
41 public:
wxListBoxBase()42     wxListBoxBase() { }
43     virtual ~wxListBoxBase();
44 
45     // all generic methods are in wxControlWithItems, except for the following
46     // ones which are not yet implemented by wxChoice/wxComboBox
Insert(const wxString & item,unsigned int pos)47     void Insert(const wxString& item, unsigned int pos)
48         { /* return*/ wxControlWithItems::Insert(item,pos); }
Insert(const wxString & item,unsigned int pos,void * clientData)49     void Insert(const wxString& item, unsigned int pos, void *clientData)
50         { /* return*/ wxControlWithItems::Insert(item,pos,clientData); }
Insert(const wxString & item,unsigned int pos,wxClientData * clientData)51     void Insert(const wxString& item, unsigned int pos, wxClientData *clientData)
52         { /* return*/ wxControlWithItems::Insert(item,pos,clientData); }
53 
54     void InsertItems(unsigned int nItems, const wxString *items, unsigned int pos);
InsertItems(const wxArrayString & items,unsigned int pos)55     void InsertItems(const wxArrayString& items, unsigned int pos)
56         { DoInsertItems(items, pos); }
57 
58     void Set(int n, const wxString* items, void **clientData = NULL);
59     void Set(const wxArrayString& items, void **clientData = NULL)
60         { DoSetItems(items, clientData); }
61 
62     // multiple selection logic
63     virtual bool IsSelected(int n) const = 0;
SetSelection(int n)64     virtual void SetSelection(int n) { DoSetSelection(n, true); }
SetSelection(int n,bool select)65     void SetSelection(int n, bool select) { DoSetSelection(n, select); }
Deselect(int n)66     void Deselect(int n) { DoSetSelection(n, false); }
67     void DeselectAll(int itemToLeaveSelected = -1);
68 
69     virtual bool SetStringSelection(const wxString& s, bool select);
SetStringSelection(const wxString & s)70     virtual bool SetStringSelection(const wxString& s)
71     {
72         return SetStringSelection(s, true);
73     }
74 
75     // works for single as well as multiple selection listboxes (unlike
76     // GetSelection which only works for listboxes with single selection)
77     virtual int GetSelections(wxArrayInt& aSelections) const = 0;
78 
79     // set the specified item at the first visible item or scroll to max
80     // range.
SetFirstItem(int n)81     void SetFirstItem(int n) { DoSetFirstItem(n); }
82     void SetFirstItem(const wxString& s);
83 
84     // ensures that the given item is visible scrolling the listbox if
85     // necessary
86     virtual void EnsureVisible(int n);
87 
88     // a combination of Append() and EnsureVisible(): appends the item to the
89     // listbox and ensures that it is visible i.e. not scrolled out of view
90     void AppendAndEnsureVisible(const wxString& s);
91 
92     // return true if the listbox allows multiple selection
HasMultipleSelection()93     bool HasMultipleSelection() const
94     {
95         return (m_windowStyle & wxLB_MULTIPLE) ||
96                (m_windowStyle & wxLB_EXTENDED);
97     }
98 
99     // return true if this listbox is sorted
IsSorted()100     bool IsSorted() const { return (m_windowStyle & wxLB_SORT) != 0; }
101 
102     // emulate selecting or deselecting the item event.GetInt() (depending on
103     // event.GetExtraLong())
104     void Command(wxCommandEvent& event);
105 
106     // returns the item number at a point or wxNOT_FOUND
HitTest(const wxPoint & point)107     int HitTest(const wxPoint& point) const { return DoListHitTest(point); }
108 
109 #if WXWIN_COMPATIBILITY_2_6
110     // compatibility - these functions are deprecated, use the new ones
111     // instead
112     wxDEPRECATED( bool Selected(int n) const );
113 #endif // WXWIN_COMPATIBILITY_2_6
114 
115 protected:
116     // NB: due to wxGTK implementation details, DoInsert() is implemented
117     //     using DoInsertItems() and not the other way round
DoInsert(const wxString & item,unsigned int pos)118     virtual int DoInsert(const wxString& item, unsigned int pos)
119         { InsertItems(1, &item, pos); return pos; }
120 
121     // to be implemented in derived classes
122     virtual void DoInsertItems(const wxArrayString& items, unsigned int pos) = 0;
123     virtual void DoSetItems(const wxArrayString& items, void **clientData) = 0;
124 
125     virtual void DoSetFirstItem(int n) = 0;
126 
127     virtual void DoSetSelection(int n, bool select) = 0;
128 
129     // there is already wxWindow::DoHitTest() so call this one differently
DoListHitTest(const wxPoint & WXUNUSED (point))130     virtual int DoListHitTest(const wxPoint& WXUNUSED(point)) const
131         { return wxNOT_FOUND; }
132 
133 
134     DECLARE_NO_COPY_CLASS(wxListBoxBase)
135 };
136 
137 #if WXWIN_COMPATIBILITY_2_6
Selected(int n)138     inline bool wxListBoxBase::Selected(int n) const { return IsSelected(n); }
139 #endif // WXWIN_COMPATIBILITY_2_6
140 
141 // ----------------------------------------------------------------------------
142 // include the platform-specific class declaration
143 // ----------------------------------------------------------------------------
144 
145 #if defined(__WXUNIVERSAL__)
146     #include "wx/univ/listbox.h"
147 #elif defined(__WXMSW__)
148     #include "wx/msw/listbox.h"
149 #elif defined(__WXMOTIF__)
150     #include "wx/motif/listbox.h"
151 #elif defined(__WXGTK20__)
152     #include "wx/gtk/listbox.h"
153 #elif defined(__WXGTK__)
154   #include "wx/gtk1/listbox.h"
155 #elif defined(__WXMAC__)
156     #include "wx/mac/listbox.h"
157 #elif defined(__WXPM__)
158     #include "wx/os2/listbox.h"
159 #elif defined(__WXCOCOA__)
160     #include "wx/cocoa/listbox.h"
161 #endif
162 
163 #endif // wxUSE_LISTBOX
164 
165 #endif
166     // _WX_LISTBOX_H_BASE_
167