X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/655719367ac5e131d9642e5783f3ecf64d1a3385..fc4070fc9d9d79c60b9f33278047e2d8081c8b18:/include/wx/listbox.h diff --git a/include/wx/listbox.h b/include/wx/listbox.h index 4ce3b2ff83..f023f6fa65 100644 --- a/include/wx/listbox.h +++ b/include/wx/listbox.h @@ -16,10 +16,6 @@ // headers // ---------------------------------------------------------------------------- -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma interface "listboxbase.h" -#endif - #include "wx/defs.h" #if wxUSE_LISTBOX @@ -27,50 +23,42 @@ #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 wxControlWithItems +class WXDLLIMPEXP_CORE wxListBoxBase : public wxControlWithItems { public: wxListBoxBase() { } virtual ~wxListBoxBase(); - // all generic methods are in wxControlWithItems, except for the following - // ones which are not yet implemented by wxChoice/wxCombobox - 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); } - - void Set(int n, const wxString* items, void **clientData = NULL); - void Set(const wxArrayString& items, void **clientData = NULL) - { DoSetItems(items, clientData); } + 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; - virtual void Select(int n) { SetSelection(n, TRUE); } - void Deselect(int n) { SetSelection(n, FALSE); } + 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 = TRUE); + 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) @@ -89,37 +77,65 @@ public: // 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 + // return true if the listbox allows multiple selection bool HasMultipleSelection() const { return (m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED); } - // return TRUE if this listbox is sorted - bool IsSorted() const { return (m_windowStyle & wxLB_SORT) != 0; } + // 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); - // compatibility - these functions are deprecated, use the new ones - // instead - bool Selected(int n) const { return IsSelected(n); } + // 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: - // NB: due to wxGTK implementation details, DoInsert() is implemented - // using DoInsertItems() and not the other way round - virtual int DoInsert(const wxString& item, int pos) - { InsertItems(1, &item, pos); return pos; } - - // to be implemented in derived classes - virtual void DoInsertItems(const wxArrayString& items, int pos) = 0; - virtual void DoSetItems(const wxArrayString& items, void **clientData) = 0; +protected: virtual void DoSetFirstItem(int n) = 0; - DECLARE_NO_COPY_CLASS(wxListBoxBase) + 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); }; // ---------------------------------------------------------------------------- @@ -132,10 +148,12 @@ protected: #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(__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(__WXCOCOA__)