renamed Number method (should be GetCount)

[wxWidgets.git] / src / generic / listctrl.cpp

diff --git a/src/generic/listctrl.cpp b/src/generic/listctrl.cpp
index 4386a99a925c9b40cb75b726766e20ce6c525260..23f67b2520cc17be46a53d9fe52d387851b065da 100644 (file)
--- a/src/generic/listctrl.cpp
+++ b/src/generic/listctrl.cpp
@@ -100,6 +100,7 @@ DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_CLICK)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_ACTIVATED)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_ACTIVATED)

+DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_CACHE_HINT)

 
 // ----------------------------------------------------------------------------
 // constants
 
 // ----------------------------------------------------------------------------
 // constants


@@ -212,7 +213,7 @@ class WXDLLEXPORT wxListItemData
 {
 public:
     wxListItemData(wxListMainWindow *owner);
 {
 public:
     wxListItemData(wxListMainWindow *owner);

-    ~wxListItemData() { delete m_attr; delete m_rect; }
+    ~wxListItemData();

 
     void SetItem( const wxListItem &info );
     void SetImage( int image ) { m_image = image; }
 
     void SetItem( const wxListItem &info );
     void SetImage( int image ) { m_image = image; }


@@ -615,12 +616,17 @@ public:
     // return the hit code for the corresponding position (in this line)
     long HitTestLine(size_t line, int x, int y) const;
 
     // return the hit code for the corresponding position (in this line)
     long HitTestLine(size_t line, int x, int y) const;
 

+    // bring the selected item into view, scrolling to it if necessary
+    void MoveToItem(size_t item);
+
+    // bring the current item into view
+    void MoveToFocus() { MoveToItem(m_current); }
+

     void EditLabel( long item );
     void OnRenameTimer();
     void OnRenameAccept();
 
     void OnMouse( wxMouseEvent &event );
     void EditLabel( long item );
     void OnRenameTimer();
     void OnRenameAccept();
 
     void OnMouse( wxMouseEvent &event );

-    void MoveToFocus();

 
     // called to switch the selection from the current item to newCurrent,
     void OnArrowChar( size_t newCurrent, const wxKeyEvent& event );
 
     // called to switch the selection from the current item to newCurrent,
     void OnArrowChar( size_t newCurrent, const wxKeyEvent& event );


@@ -661,7 +667,7 @@ public:
     int GetSelectedItemCount();
 
     // set the scrollbars and update the positions of the items
     int GetSelectedItemCount();
 
     // set the scrollbars and update the positions of the items

-    void RecalculatePositions();
+    void RecalculatePositions(bool noRefresh = FALSE);

 
     // refresh the window and the header
     void RefreshAll();
 
     // refresh the window and the header
     void RefreshAll();


@@ -818,6 +824,9 @@ private:
     // initialize the current item if needed
     void UpdateCurrent();
 
     // initialize the current item if needed
     void UpdateCurrent();
 

+    // delete all items but don't refresh: called from dtor
+    void DoDeleteAllItems();
+

     // called when an item is [un]focuded, i.e. becomes [not] current
     //
     // currently unused
     // called when an item is [un]focuded, i.e. becomes [not] current
     //
     // currently unused


@@ -983,6 +992,18 @@ void wxSelectionStore::OnItemDelete(size_t item)
 //  wxListItemData
 //-----------------------------------------------------------------------------
 
 //  wxListItemData
 //-----------------------------------------------------------------------------
 

+wxListItemData::~wxListItemData()
+{
+    // in the virtual list control the attributes are managed by the main
+    // program, so don't delete them
+    if ( !m_owner->IsVirtual() )
+    {
+        delete m_attr;
+    }
+
+    delete m_rect;
+}
+

 void wxListItemData::Init()
 {
     m_image = -1;
 void wxListItemData::Init()
 {
     m_image = -1;


@@ -997,7 +1018,7 @@ wxListItemData::wxListItemData(wxListMainWindow *owner)
 
     m_owner = owner;
 
 
     m_owner = owner;
 

-    if ( owner->HasFlag(wxLC_REPORT) )
+    if ( owner->InReportView() )

     {
         m_rect = NULL;
     }
     {
         m_rect = NULL;
     }


@@ -2146,7 +2167,7 @@ wxListMainWindow::wxListMainWindow( wxWindow *parent,
 
 wxListMainWindow::~wxListMainWindow()
 {
 
 wxListMainWindow::~wxListMainWindow()
 {

-    DeleteEverything();
+    DoDeleteAllItems();

 
     delete m_highlightBrush;
 
 
     delete m_highlightBrush;
 


@@ -2387,7 +2408,7 @@ void wxListMainWindow::RefreshLines( size_t lineFrom, size_t lineTo )
         rect.x = 0;
         rect.y = GetLineY(lineFrom);
         rect.width = GetClientSize().x;
         rect.x = 0;
         rect.y = GetLineY(lineFrom);
         rect.width = GetClientSize().x;

-        rect.height = GetLineY(lineTo) - rect.y;
+        rect.height = GetLineY(lineTo) - rect.y + GetLineHeight();

 
         CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
         RefreshRect( rect );
 
         CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
         RefreshRect( rect );


@@ -2469,6 +2490,17 @@ void wxListMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
         wxCoord xOrig, yOrig;
         CalcUnscrolledPosition(0, 0, &xOrig, &yOrig);
 
         wxCoord xOrig, yOrig;
         CalcUnscrolledPosition(0, 0, &xOrig, &yOrig);
 

+        // tell the caller cache to cache the data
+        if ( IsVirtual() )
+        {
+            wxListEvent evCache(wxEVT_COMMAND_LIST_CACHE_HINT,
+                                GetParent()->GetId());
+            evCache.SetEventObject( GetParent() );
+            evCache.m_oldItemIndex = visibleFrom;
+            evCache.m_itemIndex = visibleTo;
+            GetParent()->GetEventHandler()->ProcessEvent( evCache );
+        }
+

         for ( size_t line = visibleFrom; line <= visibleTo; line++ )
         {
             rectLine = GetLineRect(line);
         for ( size_t line = visibleFrom; line <= visibleTo; line++ )
         {
             rectLine = GetLineRect(line);


@@ -2585,7 +2617,12 @@ void wxListMainWindow::SendNotify( size_t line,
     if ( point != wxDefaultPosition )
         le.m_pointDrag = point;
 
     if ( point != wxDefaultPosition )
         le.m_pointDrag = point;
 

-    GetLine(line)->GetItem( 0, le.m_item );
+    if ( command != wxEVT_COMMAND_LIST_DELETE_ITEM )
+    {
+        GetLine(line)->GetItem( 0, le.m_item );
+    }
+    //else: there may be no more such item
+

     GetParent()->GetEventHandler()->ProcessEvent( le );
 }
 
     GetParent()->GetEventHandler()->ProcessEvent( le );
 }
 


@@ -2844,12 +2881,12 @@ void wxListMainWindow::OnMouse( wxMouseEvent &event )
     }
 }
 
     }
 }
 

-void wxListMainWindow::MoveToFocus()
+void wxListMainWindow::MoveToItem(size_t item)

 {
 {

-    if ( !HasCurrent() )
+    if ( item == (size_t)-1 )

         return;
 
         return;
 

-    wxRect rect = GetLineRect(m_current);
+    wxRect rect = GetLineRect(item);

 
     int client_w, client_h;
     GetClientSize( &client_w, &client_h );
 
     int client_w, client_h;
     GetClientSize( &client_w, &client_h );


@@ -3527,7 +3564,10 @@ void wxListMainWindow::SetItemCount(long count)
     m_selStore.SetItemCount(count);
     m_countVirt = count;
 
     m_selStore.SetItemCount(count);
     m_countVirt = count;
 

-    Refresh();
+    ResetVisibleLinesRange();
+
+    // scrollbars must be reset
+    m_dirty = TRUE;

 }
 
 int wxListMainWindow::GetSelectedItemCount()
 }
 
 int wxListMainWindow::GetSelectedItemCount()


@@ -3584,11 +3624,8 @@ bool wxListMainWindow::GetItemPosition(long item, wxPoint& pos)
 // geometry calculation
 // ----------------------------------------------------------------------------
 
 // geometry calculation
 // ----------------------------------------------------------------------------
 

-void wxListMainWindow::RecalculatePositions()
+void wxListMainWindow::RecalculatePositions(bool noRefresh)

 {
 {

-    if ( IsEmpty() )
-        return;
-

     wxClientDC dc( this );
     dc.SetFont( GetFont() );
 
     wxClientDC dc( this );
     dc.SetFont( GetFont() );
 


@@ -3689,10 +3726,13 @@ void wxListMainWindow::RecalculatePositions()
         SetScrollbars( m_xScroll, m_yScroll, (entireWidth+SCROLL_UNIT_X) / m_xScroll, 0, scroll_pos, 0, TRUE );
     }
 
         SetScrollbars( m_xScroll, m_yScroll, (entireWidth+SCROLL_UNIT_X) / m_xScroll, 0, scroll_pos, 0, TRUE );
     }
 

-    // FIXME: why should we call it from here?
-    UpdateCurrent();
+    if ( !noRefresh )
+    {
+        // FIXME: why should we call it from here?
+        UpdateCurrent();

 
 

-    RefreshAll();
+        RefreshAll();
+    }

 }
 
 void wxListMainWindow::RefreshAll()
 }
 
 void wxListMainWindow::RefreshAll()


@@ -3773,20 +3813,12 @@ void wxListMainWindow::DeleteItem( long lindex )
 
     size_t index = (size_t)lindex;
 
 
     size_t index = (size_t)lindex;
 

-    m_dirty = TRUE;
-

     // select the next item when the selected one is deleted
     // select the next item when the selected one is deleted

-    if ( m_current == index )
+    if ( m_current >= index )

     {
     {

-        // the last valid index after deleting the item will be count-2
-        if ( m_current == count - 1 )
-        {
-            m_current--;
-        }
+        m_current--;

     }
 
     }
 

-    SendNotify( index, wxEVT_COMMAND_LIST_DELETE_ITEM );
-

     if ( InReportView() )
     {
         ResetVisibleLinesRange();
     if ( InReportView() )
     {
         ResetVisibleLinesRange();


@@ -3804,6 +3836,9 @@ void wxListMainWindow::DeleteItem( long lindex )
     }
 
     m_dirty = TRUE;
     }
 
     m_dirty = TRUE;

+
+    SendNotify( index, wxEVT_COMMAND_LIST_DELETE_ITEM );
+

     RefreshAfter(index);
 }
 
     RefreshAfter(index);
 }
 


@@ -3817,7 +3852,7 @@ void wxListMainWindow::DeleteColumn( int col )
     m_columns.DeleteNode( node );
 }
 
     m_columns.DeleteNode( node );
 }
 

-void wxListMainWindow::DeleteAllItems()
+void wxListMainWindow::DoDeleteAllItems()

 {
     if ( IsEmpty() )
     {
 {
     if ( IsEmpty() )
     {


@@ -3825,8 +3860,6 @@ void wxListMainWindow::DeleteAllItems()
         return;
     }
 
         return;
     }
 

-    m_dirty = TRUE;
-

     ResetCurrent();
 
     // to make the deletion of all items faster, we don't send the
     ResetCurrent();
 
     // to make the deletion of all items faster, we don't send the


@@ -3842,7 +3875,7 @@ void wxListMainWindow::DeleteAllItems()
     {
         m_countVirt = 0;
 
     {
         m_countVirt = 0;
 

-        ResetVisibleLinesRange();
+        m_selStore.Clear();

     }
 
     if ( InReportView() )
     }
 
     if ( InReportView() )


@@ -3851,8 +3884,13 @@ void wxListMainWindow::DeleteAllItems()
     }
 
     m_lines.Clear();
     }
 
     m_lines.Clear();

+}

 
 

-    m_selStore.Clear();
+void wxListMainWindow::DeleteAllItems()
+{
+    DoDeleteAllItems();
+
+    RecalculatePositions();

 }
 
 void wxListMainWindow::DeleteEverything()
 }
 
 void wxListMainWindow::DeleteEverything()


@@ -3872,14 +3910,15 @@ void wxListMainWindow::EnsureVisible( long index )
                  _T("invalid index in EnsureVisible") );
 
     // We have to call this here because the label in question might just have
                  _T("invalid index in EnsureVisible") );
 
     // We have to call this here because the label in question might just have

-    // been added and no screen update taken place.
-    if (m_dirty)
-        wxSafeYield();
+    // been added and its position is not known yet
+    if ( m_dirty )
+    {
+        m_dirty = FALSE;

 
 

-    size_t oldCurrent = m_current;
-    m_current = (size_t)index;
-    MoveToFocus();
-    m_current = oldCurrent;
+        RecalculatePositions(TRUE /* no refresh */);
+    }
+
+    MoveToItem((size_t)index);

 }
 
 long wxListMainWindow::FindItem(long start, const wxString& str, bool WXUNUSED(partial) )
 }
 
 long wxListMainWindow::FindItem(long start, const wxString& str, bool WXUNUSED(partial) )


@@ -4920,4 +4959,14 @@ void wxListCtrl::SetItemCount(long count)
     m_mainWin->SetItemCount(count);
 }
 
     m_mainWin->SetItemCount(count);
 }
 

+void wxListCtrl::RefreshItem(long item)
+{
+    m_mainWin->RefreshLine(item);
+}
+
+void wxListCtrl::RefreshItems(long itemFrom, long itemTo)
+{
+    m_mainWin->RefreshLines(itemFrom, itemTo);
+}
+

 #endif // wxUSE_LISTCTRL
 #endif // wxUSE_LISTCTRL