// Modified by:
// Created: 22.10.99
// RCS-ID: $Id$
-// Copyright: (c) wxWindows team
-// Licence: wxWindows licence
+// Copyright: (c) wxWidgets team
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_LISTBOX_H_BASE_
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
- #pragma interface "listboxbase.h"
-#endif
-
#include "wx/defs.h"
#if wxUSE_LISTBOX
-#include "wx/control.h" // base class
+#include "wx/ctrlsub.h" // base class
// forward declarations are enough here
-class WXDLLEXPORT wxArrayInt;
-class WXDLLEXPORT wxArrayString;
+class WXDLLIMPEXP_FWD_BASE wxArrayInt;
+class WXDLLIMPEXP_FWD_BASE wxArrayString;
// ----------------------------------------------------------------------------
// global data
// ----------------------------------------------------------------------------
-WXDLLEXPORT_DATA(extern const wxChar*) wxListBoxNameStr;
+extern WXDLLIMPEXP_DATA_CORE(const char) wxListBoxNameStr[];
// ----------------------------------------------------------------------------
// wxListBox interface is defined by the class wxListBoxBase
// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxListBoxBase : public wxControl
+class WXDLLIMPEXP_CORE wxListBoxBase : public wxControlWithItems
{
public:
- // ctor
- wxListBoxBase() { m_clientDataItemsType = ClientData_None; }
-
- // adding items
- // ------------
-
- void Append(const wxString& item)
- { DoAppend(item); }
- void Append(const wxString& item, void *clientData)
- { int n = DoAppend(item); SetClientData(n, clientData); }
- void Append(const wxString& item, wxClientData *clientData)
- { int n = DoAppend(item); SetClientObject(n, clientData); }
-
- void Insert(const wxString& item, int pos)
- { DoInsert(item, pos); }
- void Insert(const wxString& item, int pos, void *clientData)
- { DoInsert(item, pos); SetClientData(pos, clientData); }
- void Insert(const wxString& item, int pos, wxClientData *clientData)
- { DoInsert(item, pos); SetClientObject(pos, clientData); }
-
- void InsertItems(int nItems, const wxString *items, int pos);
- void InsertItems(const wxArrayString& items, int pos)
- { DoInsertItems(items, pos); }
+ wxListBoxBase() { }
+ virtual ~wxListBoxBase();
- void Set(int n, const wxString* items, void **clientData = NULL);
- void Set(const wxArrayString& items, void **clientData = NULL)
- { DoSetItems(items, clientData); }
-
- // deleting items
- // --------------
-
- virtual void Clear() = 0;
- virtual void Delete(int n) = 0;
-
- // accessing strings
- // -----------------
-
- virtual int GetCount() const = 0;
- virtual wxString GetString(int n) const = 0;
- virtual void SetString(int n, const wxString& s) = 0;
- virtual int FindString(const wxString& s) const = 0;
-
- // selection
- // ---------
+ void InsertItems(unsigned int nItems, const wxString *items, unsigned int pos)
+ { Insert(nItems, items, pos); }
+ void InsertItems(const wxArrayString& items, unsigned int pos)
+ { Insert(items, pos); }
+ // multiple selection logic
virtual bool IsSelected(int n) const = 0;
- virtual void SetSelection(int n, bool select = TRUE) = 0;
- void Select(int n) { SetSelection(n, TRUE); }
- void Deselect(int n) { SetSelection(n, FALSE); }
-
- virtual int GetSelection() const = 0;
+ virtual void SetSelection(int n);
+ void SetSelection(int n, bool select) { DoSetSelection(n, select); }
+ void Deselect(int n) { DoSetSelection(n, false); }
+ void DeselectAll(int itemToLeaveSelected = -1);
+
+ virtual bool SetStringSelection(const wxString& s, bool select);
+ virtual bool SetStringSelection(const wxString& s)
+ {
+ return SetStringSelection(s, true);
+ }
+
+ // works for single as well as multiple selection listboxes (unlike
+ // GetSelection which only works for listboxes with single selection)
virtual int GetSelections(wxArrayInt& aSelections) const = 0;
- bool SetStringSelection(const wxString& s, bool select = TRUE);
- wxString GetStringSelection() const;
-
- // misc
- // ----
-
- // client data stuff
- void SetClientData( int n, void* clientData );
- void* GetClientData( int n ) const;
-
- void SetClientObject( int n, wxClientData* clientData );
- wxClientData* GetClientObject( int n ) const;
-
- // Set the specified item at the first visible item or scroll to max
+ // set the specified item at the first visible item or scroll to max
// range.
void SetFirstItem(int n) { DoSetFirstItem(n); }
void SetFirstItem(const wxString& s);
- // emulate selecting or deselecting (depending on event.GetExtraLong())
- // the item event.GetInt() from the control
- virtual void Command(wxCommandEvent &event);
+ // ensures that the given item is visible scrolling the listbox if
+ // necessary
+ virtual void EnsureVisible(int n);
- // compatibility - these functions are deprecated, use the new ones
- // instead
- bool Selected(int n) const { return IsSelected(n); }
- int Number() const { return GetCount(); }
+ // a combination of Append() and EnsureVisible(): appends the item to the
+ // listbox and ensures that it is visible i.e. not scrolled out of view
+ void AppendAndEnsureVisible(const wxString& s);
-protected:
- // NB: due to wxGTK implementation details, DoInsert() is implemented
- // using DoInsertItems() and not the other way round
- void DoInsert(const wxString& item, int pos)
- { InsertItems(1, &item, pos); }
+ // return true if the listbox allows multiple selection
+ bool HasMultipleSelection() const
+ {
+ return (m_windowStyle & wxLB_MULTIPLE) ||
+ (m_windowStyle & wxLB_EXTENDED);
+ }
+
+ // override wxItemContainer::IsSorted
+ virtual bool IsSorted() const { return HasFlag( wxLB_SORT ); }
- // to be implemented in derived classes
- virtual int DoAppend(const wxString& item) = 0;
- virtual void DoInsertItems(const wxArrayString& items, int pos) = 0;
- virtual void DoSetItems(const wxArrayString& items, void **clientData) = 0;
+ // emulate selecting or deselecting the item event.GetInt() (depending on
+ // event.GetExtraLong())
+ void Command(wxCommandEvent& event);
+ // return the index of the item at this position or wxNOT_FOUND
+ int HitTest(const wxPoint& point) const { return DoListHitTest(point); }
+ int HitTest(int x, int y) const { return DoListHitTest(wxPoint(x, y)); }
+
+
+protected:
virtual void DoSetFirstItem(int n) = 0;
- virtual void DoSetClientData(int n, void* clientData) = 0;
- virtual void* DoGetClientData(int n) const = 0;
- virtual void DoSetClientObject(int n, wxClientData* clientData) = 0;
- virtual wxClientData* DoGetClientObject(int n) const = 0;
-
- // the above pure virtuals hide these virtuals in wxWindowBase
- virtual void DoSetClientData(void* clientData )
- { wxWindowBase::DoSetClientData(clientData); };
- virtual void* DoGetClientData() const
- { return(wxWindowBase::DoGetClientData()); };
- virtual void DoSetClientObject( wxClientData* clientData )
- { wxWindowBase::DoSetClientObject(clientData); };
- virtual wxClientData* DoGetClientObject() const
- { return(wxWindowBase::DoGetClientObject()); };
-
- // the type of the client data for the items
- wxClientDataType m_clientDataItemsType;
+ virtual void DoSetSelection(int n, bool select) = 0;
+
+ // there is already wxWindow::DoHitTest() so call this one differently
+ virtual int DoListHitTest(const wxPoint& WXUNUSED(point)) const
+ { return wxNOT_FOUND; }
+
+ // Helper for the code generating events in single selection mode: updates
+ // m_oldSelections and return true if the selection really changed.
+ // Otherwise just returns false.
+ bool DoChangeSingleSelection(int item);
+
+ // Helper for generating events in multiple and extended mode: compare the
+ // current selections with the previously recorded ones (in
+ // m_oldSelections) and send the appropriate event if they differ,
+ // otherwise just return false.
+ bool CalcAndSendEvent();
+
+ // Send a listbox (de)selection or double click event.
+ //
+ // Returns true if the event was processed.
+ bool SendEvent(wxEventType evtType, int item, bool selected);
+
+ // Array storing the indices of all selected items that we already notified
+ // the user code about for multi selection list boxes.
+ //
+ // For single selection list boxes, we reuse this array to store the single
+ // currently selected item, this is used by DoChangeSingleSelection().
+ //
+ // TODO-OPT: wxSelectionStore would be more efficient for big list boxes.
+ wxArrayInt m_oldSelections;
+
+ // Update m_oldSelections with currently selected items (does nothing in
+ // single selection mode on platforms other than MSW).
+ void UpdateOldSelections();
+
+private:
+ wxDECLARE_NO_COPY_CLASS(wxListBoxBase);
};
// ----------------------------------------------------------------------------
// include the platform-specific class declaration
// ----------------------------------------------------------------------------
-#if defined(__WXMSW__)
+#if defined(__WXUNIVERSAL__)
+ #include "wx/univ/listbox.h"
+#elif defined(__WXMSW__)
#include "wx/msw/listbox.h"
#elif defined(__WXMOTIF__)
#include "wx/motif/listbox.h"
-#elif defined(__WXGTK__)
+#elif defined(__WXGTK20__)
#include "wx/gtk/listbox.h"
-#elif defined(__WXQT__)
- #include "wx/qt/listbox.h"
+#elif defined(__WXGTK__)
+ #include "wx/gtk1/listbox.h"
#elif defined(__WXMAC__)
- #include "wx/mac/listbox.h"
+ #include "wx/osx/listbox.h"
#elif defined(__WXPM__)
#include "wx/os2/listbox.h"
-#elif defined(__WXSTUBS__)
- #include "wx/stubs/listbox.h"
+#elif defined(__WXCOCOA__)
+ #include "wx/cocoa/listbox.h"
#endif
#endif // wxUSE_LISTBOX
projects / wxWidgets.git / blobdiff