X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/34138703c3997ce676a1e713d9ff9eb020640da7..835165d576b66441987b78519e6ef1fe74ea795a:/include/wx/listbox.h

diff --git a/include/wx/listbox.h b/include/wx/listbox.h
index 9d8a3460db..f023f6fa65 100644
--- a/include/wx/listbox.h
+++ b/include/wx/listbox.h
@@ -1,19 +1,166 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/listbox.h
+// Purpose:     wxListBox class interface
+// Author:      Vadim Zeitlin
+// Modified by:
+// Created:     22.10.99
+// RCS-ID:      $Id$
+// 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_