| 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: $Id$ |
| 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 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
| 20 | #pragma interface "listboxbase.h" |
| 21 | #endif |
| 22 | |
| 23 | #include "wx/defs.h" |
| 24 | |
| 25 | #if wxUSE_LISTBOX |
| 26 | |
| 27 | #include "wx/ctrlsub.h" // base class |
| 28 | |
| 29 | // forward declarations are enough here |
| 30 | class WXDLLIMPEXP_BASE wxArrayInt; |
| 31 | class WXDLLIMPEXP_BASE wxArrayString; |
| 32 | |
| 33 | // ---------------------------------------------------------------------------- |
| 34 | // global data |
| 35 | // ---------------------------------------------------------------------------- |
| 36 | |
| 37 | extern WXDLLEXPORT_DATA(const wxChar*) wxListBoxNameStr; |
| 38 | |
| 39 | // ---------------------------------------------------------------------------- |
| 40 | // wxListBox interface is defined by the class wxListBoxBase |
| 41 | // ---------------------------------------------------------------------------- |
| 42 | |
| 43 | class WXDLLEXPORT wxListBoxBase : public wxControlWithItems |
| 44 | { |
| 45 | public: |
| 46 | wxListBoxBase() { } |
| 47 | virtual ~wxListBoxBase(); |
| 48 | |
| 49 | // all generic methods are in wxControlWithItems, except for the following |
| 50 | // ones which are not yet implemented by wxChoice/wxComboBox |
| 51 | void Insert(const wxString& item, int pos) |
| 52 | { DoInsert(item, pos); } |
| 53 | void Insert(const wxString& item, int pos, void *clientData) |
| 54 | { DoInsert(item, pos); SetClientData(pos, clientData); } |
| 55 | void Insert(const wxString& item, int pos, wxClientData *clientData) |
| 56 | { DoInsert(item, pos); SetClientObject(pos, clientData); } |
| 57 | |
| 58 | void InsertItems(int nItems, const wxString *items, int pos); |
| 59 | void InsertItems(const wxArrayString& items, int pos) |
| 60 | { DoInsertItems(items, pos); } |
| 61 | |
| 62 | void Set(int n, const wxString* items, void **clientData = NULL); |
| 63 | void Set(const wxArrayString& items, void **clientData = NULL) |
| 64 | { DoSetItems(items, clientData); } |
| 65 | |
| 66 | // multiple selection logic |
| 67 | virtual bool IsSelected(int n) const = 0; |
| 68 | virtual void SetSelection(int n) { DoSetSelection(n, true); } |
| 69 | void SetSelection(int n, bool select) { DoSetSelection(n, select); } |
| 70 | void Deselect(int n) { DoSetSelection(n, false); } |
| 71 | void DeselectAll(int itemToLeaveSelected = -1); |
| 72 | |
| 73 | virtual bool SetStringSelection(const wxString& s, bool select); |
| 74 | virtual bool SetStringSelection(const wxString& s) |
| 75 | { |
| 76 | return SetStringSelection(s, true); |
| 77 | } |
| 78 | |
| 79 | // works for single as well as multiple selection listboxes (unlike |
| 80 | // GetSelection which only works for listboxes with single selection) |
| 81 | virtual int GetSelections(wxArrayInt& aSelections) const = 0; |
| 82 | |
| 83 | // set the specified item at the first visible item or scroll to max |
| 84 | // range. |
| 85 | void SetFirstItem(int n) { DoSetFirstItem(n); } |
| 86 | void SetFirstItem(const wxString& s); |
| 87 | |
| 88 | // ensures that the given item is visible scrolling the listbox if |
| 89 | // necessary |
| 90 | virtual void EnsureVisible(int n); |
| 91 | |
| 92 | // a combination of Append() and EnsureVisible(): appends the item to the |
| 93 | // listbox and ensures that it is visible i.e. not scrolled out of view |
| 94 | void AppendAndEnsureVisible(const wxString& s); |
| 95 | |
| 96 | // return true if the listbox allows multiple selection |
| 97 | bool HasMultipleSelection() const |
| 98 | { |
| 99 | return (m_windowStyle & wxLB_MULTIPLE) || |
| 100 | (m_windowStyle & wxLB_EXTENDED); |
| 101 | } |
| 102 | |
| 103 | // return true if this listbox is sorted |
| 104 | bool IsSorted() const { return (m_windowStyle & wxLB_SORT) != 0; } |
| 105 | |
| 106 | // emulate selecting or deselecting the item event.GetInt() (depending on |
| 107 | // event.GetExtraLong()) |
| 108 | void Command(wxCommandEvent& event); |
| 109 | |
| 110 | // compatibility - these functions are deprecated, use the new ones |
| 111 | // instead |
| 112 | bool Selected(int n) const { return IsSelected(n); } |
| 113 | |
| 114 | protected: |
| 115 | // NB: due to wxGTK implementation details, DoInsert() is implemented |
| 116 | // using DoInsertItems() and not the other way round |
| 117 | virtual int DoInsert(const wxString& item, int pos) |
| 118 | { InsertItems(1, &item, pos); return pos; } |
| 119 | |
| 120 | // to be implemented in derived classes |
| 121 | virtual void DoInsertItems(const wxArrayString& items, int pos) = 0; |
| 122 | virtual void DoSetItems(const wxArrayString& items, void **clientData) = 0; |
| 123 | |
| 124 | virtual void DoSetFirstItem(int n) = 0; |
| 125 | |
| 126 | virtual void DoSetSelection(int n, bool select) = 0; |
| 127 | |
| 128 | |
| 129 | DECLARE_NO_COPY_CLASS(wxListBoxBase) |
| 130 | }; |
| 131 | |
| 132 | // ---------------------------------------------------------------------------- |
| 133 | // include the platform-specific class declaration |
| 134 | // ---------------------------------------------------------------------------- |
| 135 | |
| 136 | #if defined(__WXUNIVERSAL__) |
| 137 | #include "wx/univ/listbox.h" |
| 138 | #elif defined(__WXMSW__) |
| 139 | #include "wx/msw/listbox.h" |
| 140 | #elif defined(__WXMOTIF__) |
| 141 | #include "wx/motif/listbox.h" |
| 142 | #elif defined(__WXGTK__) |
| 143 | #include "wx/gtk/listbox.h" |
| 144 | #elif defined(__WXMAC__) |
| 145 | #include "wx/mac/listbox.h" |
| 146 | #elif defined(__WXPM__) |
| 147 | #include "wx/os2/listbox.h" |
| 148 | #elif defined(__WXCOCOA__) |
| 149 | #include "wx/cocoa/listbox.h" |
| 150 | #endif |
| 151 | |
| 152 | #endif // wxUSE_LISTBOX |
| 153 | |
| 154 | #endif |
| 155 | // _WX_LISTBOX_H_BASE_ |