Refactor owner-drawing code.
[wxWidgets.git] / include / wx / msw / listbox.h
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: wx/msw/listbox.h
3 // Purpose: wxListBox class
4 // Author: Julian Smart
5 // Modified by:
6 // Created: 01/02/97
7 // RCS-ID: $Id$
8 // Copyright: (c) Julian Smart
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 #ifndef _WX_LISTBOX_H_
13 #define _WX_LISTBOX_H_
14
15 #if wxUSE_LISTBOX
16
17 // ----------------------------------------------------------------------------
18 // simple types
19 // ----------------------------------------------------------------------------
20
21 #if wxUSE_OWNER_DRAWN
22 class WXDLLIMPEXP_FWD_CORE wxOwnerDrawn;
23
24 // define the array of list box items
25 #include "wx/dynarray.h"
26
27 WX_DEFINE_EXPORTED_ARRAY_PTR(wxOwnerDrawn *, wxListBoxItemsArray);
28 #endif // wxUSE_OWNER_DRAWN
29
30 // forward decl for GetSelections()
31 class WXDLLIMPEXP_FWD_BASE wxArrayInt;
32
33 // ----------------------------------------------------------------------------
34 // List box control
35 // ----------------------------------------------------------------------------
36
37 class WXDLLIMPEXP_CORE wxListBox : public wxListBoxBase
38 {
39 public:
40 // ctors and such
41 wxListBox();
42 wxListBox(wxWindow *parent, wxWindowID id,
43 const wxPoint& pos = wxDefaultPosition,
44 const wxSize& size = wxDefaultSize,
45 int n = 0, const wxString choices[] = NULL,
46 long style = 0,
47 const wxValidator& validator = wxDefaultValidator,
48 const wxString& name = wxListBoxNameStr)
49 {
50 Create(parent, id, pos, size, n, choices, style, validator, name);
51 }
52 wxListBox(wxWindow *parent, wxWindowID id,
53 const wxPoint& pos,
54 const wxSize& size,
55 const wxArrayString& choices,
56 long style = 0,
57 const wxValidator& validator = wxDefaultValidator,
58 const wxString& name = wxListBoxNameStr)
59 {
60 Create(parent, id, pos, size, choices, style, validator, name);
61 }
62
63 bool Create(wxWindow *parent, wxWindowID id,
64 const wxPoint& pos = wxDefaultPosition,
65 const wxSize& size = wxDefaultSize,
66 int n = 0, const wxString choices[] = NULL,
67 long style = 0,
68 const wxValidator& validator = wxDefaultValidator,
69 const wxString& name = wxListBoxNameStr);
70 bool Create(wxWindow *parent, wxWindowID id,
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 = wxListBoxNameStr);
77
78 virtual ~wxListBox();
79
80 virtual unsigned int GetCount() const;
81 virtual wxString GetString(unsigned int n) const;
82 virtual void SetString(unsigned int n, const wxString& s);
83 virtual int FindString(const wxString& s, bool bCase = false) const;
84
85 virtual bool IsSelected(int n) const;
86 virtual int GetSelection() const;
87 virtual int GetSelections(wxArrayInt& aSelections) const;
88
89 // wxCheckListBox support
90 #if wxUSE_OWNER_DRAWN
91 bool MSWOnMeasure(WXMEASUREITEMSTRUCT *item);
92 bool MSWOnDraw(WXDRAWITEMSTRUCT *item);
93
94 // plug-in for derived classes
95 virtual wxOwnerDrawn *CreateLboxItem(size_t n);
96
97 // allows to get the item and use SetXXX functions to set it's appearance
98 wxOwnerDrawn *GetItem(size_t n) const { return m_aItems[n]; }
99
100 // get the index of the given item
101 int GetItemIndex(wxOwnerDrawn *item) const { return m_aItems.Index(item); }
102 #endif // wxUSE_OWNER_DRAWN
103
104 // Windows-specific code to update the horizontal extent of the listbox, if
105 // necessary. If s is non-empty, the horizontal extent is increased to the
106 // length of this string if it's currently too short, otherwise the maximum
107 // extent of all strings is used. In any case calls InvalidateBestSize()
108 virtual void SetHorizontalExtent(const wxString& s = wxEmptyString);
109
110 // Windows callbacks
111 bool MSWCommand(WXUINT param, WXWORD id);
112 WXDWORD MSWGetStyle(long style, WXDWORD *exstyle) const;
113
114 // under XP when using "transition effect for menus and tooltips" if we
115 // return true for WM_PRINTCLIENT here then it causes noticable slowdown
116 virtual bool MSWShouldPropagatePrintChild()
117 {
118 return false;
119 }
120
121 virtual wxVisualAttributes GetDefaultAttributes() const
122 {
123 return GetClassDefaultAttributes(GetWindowVariant());
124 }
125
126 static wxVisualAttributes
127 GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL)
128 {
129 return GetCompositeControlsDefaultAttributes(variant);
130 }
131
132 // returns true if the platform should explicitly apply a theme border
133 virtual bool CanApplyThemeBorder() const { return false; }
134
135 protected:
136 virtual wxSize DoGetBestClientSize() const;
137
138 virtual void DoClear();
139 virtual void DoDeleteOneItem(unsigned int n);
140
141 virtual void DoSetSelection(int n, bool select);
142
143 virtual int DoInsertItems(const wxArrayStringsAdapter& items,
144 unsigned int pos,
145 void **clientData, wxClientDataType type);
146
147 virtual void DoSetFirstItem(int n);
148 virtual void DoSetItemClientData(unsigned int n, void* clientData);
149 virtual void* DoGetItemClientData(unsigned int n) const;
150 virtual int DoListHitTest(const wxPoint& point) const;
151
152 bool m_updateHorizontalExtent;
153 virtual void OnInternalIdle();
154
155 unsigned int m_noItems;
156
157 #if wxUSE_OWNER_DRAWN
158 // control items
159 wxListBoxItemsArray m_aItems;
160 #endif
161
162 private:
163 DECLARE_DYNAMIC_CLASS_NO_COPY(wxListBox)
164 };
165
166 #endif // wxUSE_LISTBOX
167
168 #endif
169 // _WX_LISTBOX_H_