+///////////////////////////////////////////////////////////////////////////////
+// Name: wx/listbox.h
+// Purpose: wxListBox class interface
+// Author: Vadim Zeitlin
+// Modified by:
+// Created: 22.10.99
+// Copyright: (c) wxWidgets team
+// Licence: wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
#ifndef _WX_LISTBOX_H_BASE_
#define _WX_LISTBOX_H_BASE_
-#if defined(__WXMSW__)
-#include "wx/msw/listbox.h"
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#include "wx/defs.h"
+
+#if wxUSE_LISTBOX
+
+#include "wx/ctrlsub.h" // base class
+
+// forward declarations are enough here
+class WXDLLIMPEXP_FWD_BASE wxArrayInt;
+class WXDLLIMPEXP_FWD_BASE wxArrayString;
+
+// ----------------------------------------------------------------------------
+// global data
+// ----------------------------------------------------------------------------
+
+extern WXDLLIMPEXP_DATA_CORE(const char) wxListBoxNameStr[];
+
+// ----------------------------------------------------------------------------
+// wxListBox interface is defined by the class wxListBoxBase
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_CORE wxListBoxBase : public wxControlWithItems
+{
+public:
+ wxListBoxBase() { }
+ virtual ~wxListBoxBase();
+
+ 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);
+ 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;
+
+ // 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);
+
+ // ensures that the given item is visible scrolling the listbox if
+ // necessary
+ virtual void EnsureVisible(int n);
+
+ // 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);
+
+ // 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 ); }
+
+ // 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 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(__WXUNIVERSAL__)
+ #include "wx/univ/listbox.h"
+#elif defined(__WXMSW__)
+ #include "wx/msw/listbox.h"
#elif defined(__WXMOTIF__)
-#include "wx/motif/listbox.h"
+ #include "wx/motif/listbox.h"
+#elif defined(__WXGTK20__)
+ #include "wx/gtk/listbox.h"
#elif defined(__WXGTK__)
-#include "wx/gtk/listbox.h"
-#elif defined(__WXQT__)
-#include "wx/qt/listbox.h"
+ #include "wx/gtk1/listbox.h"
#elif defined(__WXMAC__)
-#include "wx/mac/listbox.h"
-#elif defined(__WXSTUBS__)
-#include "wx/stubs/listbox.h"
+ #include "wx/osx/listbox.h"
+#elif defined(__WXPM__)
+ #include "wx/os2/listbox.h"
+#elif defined(__WXCOCOA__)
+ #include "wx/cocoa/listbox.h"
#endif
+#endif // wxUSE_LISTBOX
+
#endif
// _WX_LISTBOX_H_BASE_
projects / wxWidgets.git / blobdiff