X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ca7353de3ac75143c8af50e358dc8b680db17d88..d94974609888885e0b75d0e01d901b03a6213979:/src/generic/listctrl.cpp?ds=inline diff --git a/src/generic/listctrl.cpp b/src/generic/listctrl.cpp index d1e2359f23..0a9299f9df 100644 --- a/src/generic/listctrl.cpp +++ b/src/generic/listctrl.cpp @@ -73,6 +73,8 @@ #include "wx/gtk/win_gtk.h" #endif +#include "wx/selstore.h" + // ---------------------------------------------------------------------------- // events // ---------------------------------------------------------------------------- @@ -136,83 +138,6 @@ static const int IMAGE_MARGIN_IN_REPORT_MODE = 5; // private classes // ============================================================================ -// ---------------------------------------------------------------------------- -// wxSelectionStore -// ---------------------------------------------------------------------------- - -int CMPFUNC_CONV wxSizeTCmpFn(size_t n1, size_t n2) { return n1 - n2; } - -WX_DEFINE_SORTED_EXPORTED_ARRAY_LONG(size_t, wxIndexArray); - -// this class is used to store the selected items in the virtual list control -// (but it is not tied to list control and so can be used with other controls -// such as wxListBox in wxUniv) -// -// the idea is to make it really smart later (i.e. store the selections as an -// array of ranes + individual items) but, as I don't have time to do it now -// (this would require writing code to merge/break ranges and much more) keep -// it simple but define a clean interface to it which allows it to be made -// smarter later -class WXDLLEXPORT wxSelectionStore -{ -public: - wxSelectionStore() : m_itemsSel(wxSizeTCmpFn) { Init(); } - - // set the total number of items we handle - void SetItemCount(size_t count) { m_count = count; } - - // special case of SetItemCount(0) - void Clear() { m_itemsSel.Clear(); m_count = 0; m_defaultState = FALSE; } - - // must be called when a new item is inserted/added - void OnItemAdd(size_t item) { wxFAIL_MSG( _T("TODO") ); } - - // must be called when an item is deleted - void OnItemDelete(size_t item); - - // select one item, use SelectRange() insted if possible! - // - // returns true if the items selection really changed - bool SelectItem(size_t item, bool select = TRUE); - - // select the range of items - // - // return true and fill the itemsChanged array with the indices of items - // which have changed state if "few" of them did, otherwise return false - // (meaning that too many items changed state to bother counting them - // individually) - bool SelectRange(size_t itemFrom, size_t itemTo, - bool select = TRUE, - wxArrayInt *itemsChanged = NULL); - - // return true if the given item is selected - bool IsSelected(size_t item) const; - - // return the total number of selected items - size_t GetSelectedCount() const - { - return m_defaultState ? m_count - m_itemsSel.GetCount() - : m_itemsSel.GetCount(); - } - -private: - // (re)init - void Init() { m_defaultState = FALSE; } - - // the total number of items we handle - size_t m_count; - - // the default state: normally, FALSE (i.e. off) but maybe set to TRUE if - // there are more selected items than non selected ones - this allows to - // handle selection of all items efficiently - bool m_defaultState; - - // the array of items whose selection state is different from default - wxIndexArray m_itemsSel; - - DECLARE_NO_COPY_CLASS(wxSelectionStore) -}; - //----------------------------------------------------------------------------- // wxListItemData (internal) //----------------------------------------------------------------------------- @@ -495,7 +420,9 @@ private: // common part of all ctors void Init(); - void SendListEvent(wxEventType type, wxPoint pos); + // generate and process the list event of the given type, return true if + // it wasn't vetoed, i.e. if we should proceed + bool SendListEvent(wxEventType type, wxPoint pos); DECLARE_DYNAMIC_CLASS(wxListHeaderWindow) DECLARE_EVENT_TABLE() @@ -901,183 +828,6 @@ private: // implementation // ============================================================================ -// ---------------------------------------------------------------------------- -// wxSelectionStore -// ---------------------------------------------------------------------------- - -bool wxSelectionStore::IsSelected(size_t item) const -{ - bool isSel = m_itemsSel.Index(item) != wxNOT_FOUND; - - // if the default state is to be selected, being in m_itemsSel means that - // the item is not selected, so we have to inverse the logic - return m_defaultState ? !isSel : isSel; -} - -bool wxSelectionStore::SelectItem(size_t item, bool select) -{ - // search for the item ourselves as like this we get the index where to - // insert it later if needed, so we do only one search in the array instead - // of two (adding item to a sorted array requires a search) - size_t index = m_itemsSel.IndexForInsert(item); - bool isSel = index < m_itemsSel.GetCount() && m_itemsSel[index] == item; - - if ( select != m_defaultState ) - { - if ( !isSel ) - { - m_itemsSel.AddAt(item, index); - - return TRUE; - } - } - else // reset to default state - { - if ( isSel ) - { - m_itemsSel.RemoveAt(index); - return TRUE; - } - } - - return FALSE; -} - -bool wxSelectionStore::SelectRange(size_t itemFrom, size_t itemTo, - bool select, - wxArrayInt *itemsChanged) -{ - // 100 is hardcoded but it shouldn't matter much: the important thing is - // that we don't refresh everything when really few (e.g. 1 or 2) items - // change state - static const size_t MANY_ITEMS = 100; - - wxASSERT_MSG( itemFrom <= itemTo, _T("should be in order") ); - - // are we going to have more [un]selected items than the other ones? - if ( itemTo - itemFrom > m_count/2 ) - { - if ( select != m_defaultState ) - { - // the default state now becomes the same as 'select' - m_defaultState = select; - - // so all the old selections (which had state select) shouldn't be - // selected any more, but all the other ones should - wxIndexArray selOld = m_itemsSel; - m_itemsSel.Empty(); - - // TODO: it should be possible to optimize the searches a bit - // knowing the possible range - - size_t item; - for ( item = 0; item < itemFrom; item++ ) - { - if ( selOld.Index(item) == wxNOT_FOUND ) - m_itemsSel.Add(item); - } - - for ( item = itemTo + 1; item < m_count; item++ ) - { - if ( selOld.Index(item) == wxNOT_FOUND ) - m_itemsSel.Add(item); - } - - // many items (> half) changed state - itemsChanged = NULL; - } - else // select == m_defaultState - { - // get the inclusive range of items between itemFrom and itemTo - size_t count = m_itemsSel.GetCount(), - start = m_itemsSel.IndexForInsert(itemFrom), - end = m_itemsSel.IndexForInsert(itemTo); - - if ( start == count || m_itemsSel[start] < itemFrom ) - { - start++; - } - - if ( end == count || m_itemsSel[end] > itemTo ) - { - end--; - } - - if ( start <= end ) - { - // delete all of them (from end to avoid changing indices) - for ( int i = end; i >= (int)start; i-- ) - { - if ( itemsChanged ) - { - if ( itemsChanged->GetCount() > MANY_ITEMS ) - { - // stop counting (see comment below) - itemsChanged = NULL; - } - else - { - itemsChanged->Add(m_itemsSel[i]); - } - } - - m_itemsSel.RemoveAt(i); - } - } - } - } - else // "few" items change state - { - if ( itemsChanged ) - { - itemsChanged->Empty(); - } - - // just add the items to the selection - for ( size_t item = itemFrom; item <= itemTo; item++ ) - { - if ( SelectItem(item, select) && itemsChanged ) - { - itemsChanged->Add(item); - - if ( itemsChanged->GetCount() > MANY_ITEMS ) - { - // stop counting them, we'll just eat gobs of memory - // for nothing at all - faster to refresh everything in - // this case - itemsChanged = NULL; - } - } - } - } - - // we set it to NULL if there are many items changing state - return itemsChanged != NULL; -} - -void wxSelectionStore::OnItemDelete(size_t item) -{ - size_t count = m_itemsSel.GetCount(), - i = m_itemsSel.IndexForInsert(item); - - if ( i < count && m_itemsSel[i] == item ) - { - // this item itself was in m_itemsSel, remove it from there - m_itemsSel.RemoveAt(i); - - count--; - } - - // and adjust the index of all which follow it - while ( i < count ) - { - // all following elements must be greater than the one we deleted - wxASSERT_MSG( m_itemsSel[i] > item, _T("logic error") ); - - m_itemsSel[i++]--; - } -} - //----------------------------------------------------------------------------- // wxListItemData //----------------------------------------------------------------------------- @@ -1806,13 +1556,17 @@ void wxListLineData::DrawTextFormatted(wxDC *dc, dc->GetTextExtent(ellipsis, &base_w, &h); // continue until we have enough space or only one character left - drawntext = text.Left(text.Length() - 1); - while (drawntext.Length() > 1) + wxCoord w_c, h_c; + size_t len = text.Length(); + drawntext = text.Left(len); + while (len > 1) { - dc->GetTextExtent(drawntext, &w, &h); + dc->GetTextExtent(drawntext.Last(), &w_c, &h_c); + drawntext.RemoveLast(); + len--; + w -= w_c; if (w + base_w <= width) break; - drawntext = drawntext.Left(drawntext.Length() - 1); } // if still not enough space, remove ellipsis characters @@ -2130,8 +1884,7 @@ void wxListHeaderWindow::OnMouse( wxMouseEvent &event ) if (m_isDragging) { - SendListEvent(wxEVT_COMMAND_LIST_COL_DRAGGING, - event.GetPosition()); + SendListEvent(wxEVT_COMMAND_LIST_COL_DRAGGING, event.GetPosition()); // we don't draw the line beyond our window, but we allow dragging it // there @@ -2150,8 +1903,7 @@ void wxListHeaderWindow::OnMouse( wxMouseEvent &event ) m_isDragging = FALSE; m_dirty = TRUE; m_owner->SetColumnWidth( m_column, m_currentX - m_minX ); - SendListEvent(wxEVT_COMMAND_LIST_COL_END_DRAG, - event.GetPosition()); + SendListEvent(wxEVT_COMMAND_LIST_COL_END_DRAG, event.GetPosition()); } else { @@ -2204,12 +1956,15 @@ void wxListHeaderWindow::OnMouse( wxMouseEvent &event ) { if (hit_border && event.LeftDown()) { - m_isDragging = TRUE; - m_currentX = x; - DrawCurrent(); - CaptureMouse(); - SendListEvent(wxEVT_COMMAND_LIST_COL_BEGIN_DRAG, - event.GetPosition()); + if ( SendListEvent(wxEVT_COMMAND_LIST_COL_BEGIN_DRAG, + event.GetPosition()) ) + { + m_isDragging = TRUE; + m_currentX = x; + DrawCurrent(); + CaptureMouse(); + } + //else: column resizing was vetoed by the user code } else // click on a column { @@ -2244,7 +1999,7 @@ void wxListHeaderWindow::OnSetFocus( wxFocusEvent &WXUNUSED(event) ) m_owner->SetFocus(); } -void wxListHeaderWindow::SendListEvent(wxEventType type, wxPoint pos) +bool wxListHeaderWindow::SendListEvent(wxEventType type, wxPoint pos) { wxWindow *parent = GetParent(); wxListEvent le( type, parent->GetId() ); @@ -2258,7 +2013,7 @@ void wxListHeaderWindow::SendListEvent(wxEventType type, wxPoint pos) le.m_pointDrag.y -= GetSize().y; le.m_col = m_column; - parent->GetEventHandler()->ProcessEvent( le ); + return !parent->GetEventHandler()->ProcessEvent( le ) || le.IsAllowed(); } //----------------------------------------------------------------------------- @@ -3196,6 +2951,7 @@ void wxListMainWindow::OnMouse( wxMouseEvent &event ) wxListEvent le( command, GetParent()->GetId() ); le.SetEventObject( GetParent() ); + le.m_itemIndex = current; le.m_pointDrag = m_dragStart; GetParent()->GetEventHandler()->ProcessEvent( le ); @@ -4508,6 +4264,9 @@ void wxListMainWindow::InsertItem( wxListItem &item ) m_lines.Insert( line, id ); m_dirty = TRUE; + + SendNotify(id, wxEVT_COMMAND_LIST_INSERT_ITEM); + RefreshLines(id, GetItemCount() - 1); } @@ -4710,7 +4469,7 @@ bool wxGenericListCtrl::Create(wxWindow *parent, return FALSE; // don't create the inner window with the border - style &= ~wxSUNKEN_BORDER; + style &= ~wxBORDER_MASK; m_mainWin = new wxListMainWindow( this, -1, wxPoint(0,0), size, style ); @@ -4906,6 +4665,8 @@ bool wxGenericListCtrl::SetItemData( long item, long data ) bool wxGenericListCtrl::GetItemRect( long item, wxRect &rect, int WXUNUSED(code) ) const { m_mainWin->GetItemRect( item, rect ); + if ( m_mainWin->HasHeader() ) + rect.y += HEADER_HEIGHT + 1; return TRUE; } @@ -5169,7 +4930,7 @@ long wxGenericListCtrl::InsertColumn( long col, wxListItem &item ) // if we hadn't had header before and have it now we need to relayout the // window - if ( GetColumnCount() == 1 ) + if ( GetColumnCount() == 1 && m_mainWin->HasHeader() ) { ResizeReportView(TRUE /* have header */); }