added dependency handling to Makefiles

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

diff --git a/src/generic/listctrl.cpp b/src/generic/listctrl.cpp
index 256271c2fdce0c4c67bdecc9ce6769de2a5206d7..fa1cc35090e26ec946932cc4a9aabc9bb628e6db 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_CACHE_HINT)
 
 // ----------------------------------------------------------------------------
 // constants
@@ -212,7 +213,7 @@ class WXDLLEXPORT wxListItemData
 {
 public:
     wxListItemData(wxListMainWindow *owner);
-    ~wxListItemData() { delete m_attr; delete m_rect; }
+    ~wxListItemData();
 
     void SetItem( const wxListItem &info );
     void SetImage( int image ) { m_image = image; }
@@ -247,7 +248,8 @@ public:
 
     void GetItem( wxListItem &info ) const;
 
-    wxListItemAttr *GetAttributes() const { return m_attr; }
+    void SetAttr(wxListItemAttr *attr) { m_attr = attr; }
+    wxListItemAttr *GetAttr() const { return m_attr; }
 
 public:
     // the item image or -1
@@ -384,6 +386,9 @@ public:
     wxString GetText(int index) const;
     void SetText( int index, const wxString s );
 
+    wxListItemAttr *GetAttr() const;
+    void SetAttr(wxListItemAttr *attr);
+
     // return true if the highlighting really changed
     bool Highlight( bool on );
 
@@ -814,6 +819,9 @@ private:
     // 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
@@ -979,6 +987,18 @@ void wxSelectionStore::OnItemDelete(size_t item)
 //  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;
@@ -993,7 +1013,7 @@ wxListItemData::wxListItemData(wxListMainWindow *owner)
 
     m_owner = owner;
 
-    if ( owner->HasFlag(wxLC_REPORT) )
+    if ( owner->InReportView() )
     {
         m_rect = NULL;
     }
@@ -1475,6 +1495,24 @@ int wxListLineData::GetImage( int index ) const
     return item->GetImage();
 }
 
+wxListItemAttr *wxListLineData::GetAttr() const
+{
+    wxListItemDataList::Node *node = m_items.GetFirst();
+    wxCHECK_MSG( node, NULL, _T("invalid column index in GetAttr()") );
+
+    wxListItemData *item = node->GetData();
+    return item->GetAttr();
+}
+
+void wxListLineData::SetAttr(wxListItemAttr *attr)
+{
+    wxListItemDataList::Node *node = m_items.GetFirst();
+    wxCHECK_RET( node, _T("invalid column index in SetAttr()") );
+
+    wxListItemData *item = node->GetData();
+    item->SetAttr(attr);
+}
+
 void wxListLineData::SetAttributes(wxDC *dc,
                                    const wxListItemAttr *attr,
                                    const wxColour& colText,
@@ -1547,11 +1585,10 @@ void wxListLineData::DrawInReportMode( wxDC *dc,
     // default font
     wxFont font = listctrl->GetFont();
 
-    // VZ: currently we set the colours/fonts only once, but like this (i.e.
-    //     using SetAttributes() inside the loop), it will be trivial to
-    //     customize the subitems (in report mode) too.
-    wxListItemData *item = m_items.GetFirst()->GetData();
-    wxListItemAttr *attr = item->GetAttributes();
+    // TODO: later we should support setting different attributes for
+    //       different columns - to do it, just add "col" argument to
+    //       GetAttr() and move this code into the loop below
+    wxListItemAttr *attr = GetAttr();
     SetAttributes(dc, attr, colText, font, highlighted);
 
     bool hasBgCol = attr && attr->HasBackgroundColour();
@@ -2125,7 +2162,7 @@ wxListMainWindow::wxListMainWindow( wxWindow *parent,
 
 wxListMainWindow::~wxListMainWindow()
 {
-    DeleteEverything();
+    DoDeleteAllItems();
 
     delete m_highlightBrush;
 
@@ -2145,6 +2182,7 @@ void wxListMainWindow::CacheLineData(size_t line)
     }
 
     ld->SetImage(listctrl->OnGetItemImage(line));
+    ld->SetAttr(listctrl->OnGetItemAttr(line));
 }
 
 wxListLineData *wxListMainWindow::GetDummyLine() const
@@ -2447,6 +2485,13 @@ void wxListMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
         wxCoord xOrig, yOrig;
         CalcUnscrolledPosition(0, 0, &xOrig, &yOrig);
 
+        // tell the caller cache to cache the data
+        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);
@@ -3365,19 +3410,21 @@ void wxListMainWindow::SetItem( wxListItem &item )
     wxCHECK_RET( id >= 0 && (size_t)id < GetItemCount(),
                  _T("invalid item index in SetItem") );
 
-    if ( IsVirtual() )
+    if ( !IsVirtual() )
+    {
+        wxListLineData *line = GetLine((size_t)id);
+        line->SetItem( item.m_col, item );
+    }
+
+    if ( InReportView() )
     {
         // just refresh the line to show the new value of the text/image
         RefreshLine((size_t)id);
     }
-    else // !virtual
+    else // !report
     {
+        // refresh everything (resulting in horrible flicker - FIXME!)
         m_dirty = TRUE;
-
-        wxListLineData *line = GetLine((size_t)id);
-        if ( HasFlag(wxLC_REPORT) )
-            item.m_width = GetColumnWidth( item.m_col );
-        line->SetItem( item.m_col, item );
     }
 }
 
@@ -3503,7 +3550,10 @@ void wxListMainWindow::SetItemCount(long count)
     m_selStore.SetItemCount(count);
     m_countVirt = count;
 
-    Refresh();
+    ResetVisibleLinesRange();
+
+    // scrollbars must be reset
+    m_dirty = TRUE;
 }
 
 int wxListMainWindow::GetSelectedItemCount()
@@ -3562,9 +3612,6 @@ bool wxListMainWindow::GetItemPosition(long item, wxPoint& pos)
 
 void wxListMainWindow::RecalculatePositions()
 {
-    if ( IsEmpty() )
-        return;
-
     wxClientDC dc( this );
     dc.SetFont( GetFont() );
 
@@ -3793,7 +3840,7 @@ void wxListMainWindow::DeleteColumn( int col )
     m_columns.DeleteNode( node );
 }
 
-void wxListMainWindow::DeleteAllItems()
+void wxListMainWindow::DoDeleteAllItems()
 {
     if ( IsEmpty() )
     {
@@ -3801,8 +3848,6 @@ void wxListMainWindow::DeleteAllItems()
         return;
     }
 
-    m_dirty = TRUE;
-
     ResetCurrent();
 
     // to make the deletion of all items faster, we don't send the
@@ -3818,7 +3863,7 @@ void wxListMainWindow::DeleteAllItems()
     {
         m_countVirt = 0;
 
-        ResetVisibleLinesRange();
+        m_selStore.Clear();
     }
 
     if ( InReportView() )
@@ -3827,8 +3872,13 @@ void wxListMainWindow::DeleteAllItems()
     }
 
     m_lines.Clear();
+}
+
+void wxListMainWindow::DeleteAllItems()
+{
+    DoDeleteAllItems();
 
-    m_selStore.Clear();
+    RecalculatePositions();
 }
 
 void wxListMainWindow::DeleteEverything()
@@ -4880,6 +4930,15 @@ int wxListCtrl::OnGetItemImage(long item) const
     return -1;
 }
 
+wxListItemAttr *wxListCtrl::OnGetItemAttr(long item) const
+{
+    wxASSERT_MSG( item >= 0 && item < GetItemCount(),
+                  _T("invalid item index in OnGetItemAttr()") );
+
+    // no attributes by default
+    return NULL;
+}
+
 void wxListCtrl::SetItemCount(long count)
 {
     wxASSERT_MSG( IsVirtual(), _T("this is for virtual controls only") );
@@ -4887,4 +4946,14 @@ void wxListCtrl::SetItemCount(long 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