X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/aa61d3525370a9b9fa8c797d9b7f89d96994db5f..888dde65f43d5f57e8fb2028b27191cca1741403:/src/univ/listbox.cpp diff --git a/src/univ/listbox.cpp b/src/univ/listbox.cpp index c54214e879..0255489bce 100644 --- a/src/univ/listbox.cpp +++ b/src/univ/listbox.cpp @@ -37,11 +37,67 @@ #include "wx/univ/inphand.h" #include "wx/univ/theme.h" +// ---------------------------------------------------------------------------- +// wxStdListboxInputHandler: handles mouse and kbd in a single or multi +// selection listbox +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT wxStdListboxInputHandler : public wxStdInputHandler +{ +public: + // if pressing the mouse button in a multiselection listbox should toggle + // the item under mouse immediately, then specify true as the second + // parameter (this is the standard behaviour, under GTK the item is toggled + // only when the mouse is released in the multi selection listbox) + wxStdListboxInputHandler(wxInputHandler *inphand, + bool toggleOnPressAlways = true); + + // base class methods + virtual bool HandleKey(wxInputConsumer *consumer, + const wxKeyEvent& event, + bool pressed); + virtual bool HandleMouse(wxInputConsumer *consumer, + const wxMouseEvent& event); + virtual bool HandleMouseMove(wxInputConsumer *consumer, + const wxMouseEvent& event); + +protected: + // return the item under mouse, 0 if the mouse is above the listbox or + // GetCount() if it is below it + int HitTest(const wxListBox *listbox, const wxMouseEvent& event); + + // parts of HitTest(): first finds the pseudo (because not in range) index + // of the item and the second one adjusts it if necessary - that is if the + // third one returns false + int HitTestUnsafe(const wxListBox *listbox, const wxMouseEvent& event); + int FixItemIndex(const wxListBox *listbox, int item); + bool IsValidIndex(const wxListBox *listbox, int item); + + // init m_btnCapture and m_actionMouse + wxControlAction SetupCapture(wxListBox *lbox, + const wxMouseEvent& event, + int item); + + wxRenderer *m_renderer; + + // the button which initiated the mouse capture (currently 0 or 1) + int m_btnCapture; + + // the action to perform when the mouse moves while we capture it + wxControlAction m_actionMouse; + + // the ctor parameter toggleOnPressAlways (see comments near it) + bool m_toggleOnPressAlways; + + // do we track the mouse outside the window when it is captured? + bool m_trackMouseOutside; +}; + // ============================================================================ // implementation of wxListBox // ============================================================================ -IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl) +IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControlWithItems) BEGIN_EVENT_TABLE(wxListBox, wxListBoxBase) EVT_SIZE(wxListBox::OnSize) @@ -136,11 +192,11 @@ bool wxListBox::Create(wxWindow *parent, validator, name) ) return false; - m_strings = new wxArrayString; + m_strings = IsSorted() ? new wxSortedArrayString : new wxArrayString; Set(n, choices); - SetBestSize(size); + SetInitialSize(size); CreateInputHandler(wxINP_HANDLER_LISTBOX); @@ -161,67 +217,25 @@ wxListBox::~wxListBox() // adding/inserting strings // ---------------------------------------------------------------------------- -int wxCMPFUNC_CONV wxListBoxSortNoCase(wxString* s1, wxString* s2) +int wxListBox::DoInsertItems(const wxArrayStringsAdapter& items, + unsigned int pos, + void **clientData, + wxClientDataType type) { - return s1->CmpNoCase(*s2); -} + int idx = wxNOT_FOUND; -int wxListBox::DoAppendOnly(const wxString& item) -{ - unsigned int index; - - if ( IsSorted() ) - { - m_strings->Add(item); - m_strings->Sort(wxListBoxSortNoCase); - index = m_strings->Index(item); - } - else + const unsigned int numItems = items.GetCount(); + for ( unsigned int i = 0; i < numItems; ++i ) { - index = m_strings->GetCount(); - m_strings->Add(item); - } - - return index; -} - -int wxListBox::DoAppend(const wxString& item) -{ - size_t index = DoAppendOnly( item ); + const wxString& item = items[i]; + idx = IsSorted() ? m_strings->Add(item) + : (m_strings->Insert(item, pos), pos++); - m_itemsClientData.Insert(NULL, index); + m_itemsClientData.Insert(NULL, idx); + AssignNewItemClientData(idx, clientData, i, type); - m_updateScrollbarY = true; - - if ( HasHorzScrollbar() ) - { - // has the max width increased? - wxCoord width; - GetTextExtent(item, &width, NULL); - if ( width > m_maxWidth ) - { - m_maxWidth = width; - m_maxWidthItem = index; - m_updateScrollbarX = true; - } - } - - RefreshFromItemToEnd(index); - - return index; -} - -void wxListBox::DoInsertItems(const wxArrayString& items, unsigned int pos) -{ - // the position of the item being added to a sorted listbox can't be - // specified - wxCHECK_RET( !IsSorted(), _T("can't insert items into sorted listbox") ); - - unsigned int count = items.GetCount(); - for ( unsigned int n = 0; n < count; n++ ) - { - m_strings->Insert(items[n], pos + n); - m_itemsClientData.Insert(NULL, pos + n); + // call the wxCheckListBox hook + OnItemInserted(idx); } // the number of items has changed so we might have to show the scrollbar @@ -235,29 +249,8 @@ void wxListBox::DoInsertItems(const wxArrayString& items, unsigned int pos) // note that we have to refresh all the items after the ones we inserted, // not just these items RefreshFromItemToEnd(pos); -} - -void wxListBox::DoSetItems(const wxArrayString& items, void **clientData) -{ - DoClear(); - - unsigned int count = items.GetCount(); - if ( !count ) - return; - m_strings->Alloc(count); - - m_itemsClientData.Alloc(count); - for ( unsigned int n = 0; n < count; n++ ) - { - unsigned int index = DoAppendOnly(items[n]); - - m_itemsClientData.Insert(clientData ? clientData[n] : NULL, index); - } - - m_updateScrollbarY = true; - - RefreshAll(); + return idx; } void wxListBox::SetString(unsigned int n, const wxString& s) @@ -282,7 +275,7 @@ void wxListBox::SetString(unsigned int n, const wxString& s) m_updateScrollbarX = true; } // or also decreased if the old string was the longest one - else if ( n == m_maxWidthItem ) + else if ( n == (unsigned int)m_maxWidthItem ) { RefreshHorzScrollbar(); } @@ -299,24 +292,10 @@ void wxListBox::DoClear() { m_strings->Clear(); - if ( HasClientObjectData() ) - { - unsigned int count = m_itemsClientData.GetCount(); - for ( unsigned int n = 0; n < count; n++ ) - { - delete (wxClientData *) m_itemsClientData[n]; - } - } - m_itemsClientData.Clear(); m_selections.Clear(); m_current = -1; -} - -void wxListBox::Clear() -{ - DoClear(); m_updateScrollbarY = true; @@ -325,7 +304,7 @@ void wxListBox::Clear() RefreshAll(); } -void wxListBox::Delete(unsigned int n) +void wxListBox::DoDeleteOneItem(unsigned int n) { wxCHECK_RET( IsValid(n), _T("invalid index in wxListBox::Delete") ); @@ -336,11 +315,6 @@ void wxListBox::Delete(unsigned int n) m_strings->RemoveAt(n); - if ( HasClientObjectData() ) - { - delete (wxClientData *)m_itemsClientData[n]; - } - m_itemsClientData.RemoveAt(n); // when the item disappears we must not keep using its index @@ -348,7 +322,7 @@ void wxListBox::Delete(unsigned int n) { m_current = -1; } - else if ( n < m_current ) + else if ( (int)n < m_current ) { m_current--; } @@ -360,12 +334,12 @@ void wxListBox::Delete(unsigned int n) unsigned int count = m_selections.GetCount(); for ( unsigned int item = 0; item < count; item++ ) { - if ( m_selections[item] == n ) + if ( m_selections[item] == (int)n ) { // remember to delete it later index = item; } - else if ( m_selections[item] > n ) + else if ( m_selections[item] > (int)n ) { // to account for the index shift m_selections[item]--; @@ -382,7 +356,7 @@ void wxListBox::Delete(unsigned int n) m_updateScrollbarY = true; // finally, if the longest item was deleted the scrollbar may disappear - if ( n == m_maxWidthItem ) + if ( (int)n == m_maxWidthItem ) { RefreshHorzScrollbar(); } @@ -402,16 +376,6 @@ void *wxListBox::DoGetItemClientData(unsigned int n) const return m_itemsClientData[n]; } -void wxListBox::DoSetItemClientObject(unsigned int n, wxClientData* clientData) -{ - m_itemsClientData[n] = clientData; -} - -wxClientData* wxListBox::DoGetItemClientObject(unsigned int n) const -{ - return (wxClientData *)m_itemsClientData[n]; -} - // ---------------------------------------------------------------------------- // selection // ---------------------------------------------------------------------------- @@ -420,7 +384,16 @@ void wxListBox::DoSetSelection(int n, bool select) { if ( select ) { - if ( m_selections.Index(n) == wxNOT_FOUND ) + if ( n == wxNOT_FOUND ) + { + if ( !HasMultipleSelection() ) + { + // selecting wxNOT_FOUND is documented to deselect all items + DeselectAll(); + return; + } + } + else if ( m_selections.Index(n) == wxNOT_FOUND ) { if ( !HasMultipleSelection() ) { @@ -1190,6 +1163,14 @@ bool wxListBox::PerformAction(const wxControlAction& action, return true; } +/* static */ +wxInputHandler *wxListBox::GetStdInputHandler(wxInputHandler *handlerDef) +{ + static wxStdListboxInputHandler s_handler(handlerDef); + + return &s_handler; +} + // ============================================================================ // implementation of wxStdListboxInputHandler // ============================================================================ @@ -1340,14 +1321,10 @@ bool wxStdListboxInputHandler::HandleKey(wxInputConsumer *consumer, break; case WXK_PAGEUP: - - case WXK_PRIOR: action = wxACTION_LISTBOX_PAGEUP; break; case WXK_PAGEDOWN: - - case WXK_NEXT: action = wxACTION_LISTBOX_PAGEDOWN; break;