supporting promised file urls for transfer, see #14281

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

diff --git a/src/generic/treelist.cpp b/src/generic/treelist.cpp
index 68ee06f333bcccb5193d1c7461d788d4274b8c9f..18cb193d18a78b6786c7fff6c8f7babe04407f41 100644 (file)
--- a/src/generic/treelist.cpp
+++ b/src/generic/treelist.cpp
@@ -549,23 +549,17 @@ public:
     }
 
     // Event handlers toggling the items checkbox if it was clicked.
-    virtual bool Activate(const wxRect& WXUNUSED(cell),
-                          wxDataViewModel* model,
-                          const wxDataViewItem& item,
-                          unsigned int WXUNUSED(col))
+    virtual bool ActivateCell(const wxRect& WXUNUSED(cell),
+                              wxDataViewModel *model,
+                              const wxDataViewItem & item,
+                              unsigned int WXUNUSED(col),
+                              const wxMouseEvent *mouseEvent)
     {
-        static_cast<wxTreeListModel*>(model)->ToggleItem(item);
-        return true;
-    }
-
-    virtual bool LeftClick(const wxPoint& pos,
-                           const wxRect& WXUNUSED(cell),
-                           wxDataViewModel* model,
-                           const wxDataViewItem& item,
-                           unsigned int WXUNUSED(col))
-    {
-        if ( !wxRect(GetCheckSize()).Contains(pos) )
-            return false;
+        if ( mouseEvent )
+        {
+            if ( !wxRect(GetCheckSize()).Contains(mouseEvent->GetPosition()) )
+                return false;
+        }
 
         static_cast<wxTreeListModel*>(model)->ToggleItem(item);
         return true;
@@ -671,16 +665,20 @@ wxTreeListModel::InsertItem(Node* parent,
     wxScopedPtr<Node>
         newItem(new Node(parent, text, imageClosed, imageOpened, data));
 
+    // FIXME-VC6: This compiler refuses to compare "Node* previous" with
+    //            wxTLI_XXX without some help.
+    const wxTreeListItem previousItem(previous);
+
     // If we have no children at all, then inserting as last child is the same
     // as inserting as the first one so check for it here too.
-    if ( previous == wxTLI_FIRST ||
-            (previous == wxTLI_LAST && !parent->GetChild()) )
+    if ( previousItem == wxTLI_FIRST ||
+            (previousItem == wxTLI_LAST && !parent->GetChild()) )
     {
         parent->InsertChild(newItem.get());
     }
     else // Not the first item, find the previous one.
     {
-        if ( previous == wxTLI_LAST )
+        if ( previousItem == wxTLI_LAST )
         {
             previous = parent->GetChild();
 
@@ -760,7 +758,12 @@ const wxString& wxTreeListModel::GetItemText(Node* item, unsigned col) const
     // empty string we can return reference to.
     wxCHECK_MSG( item, m_root->m_text, "Invalid item" );
 
-    return col == 0 ? item->m_text : item->GetColumnText(col);
+    // Notice that asking for the text of a column of an item that doesn't have
+    // any column texts is not an error so we simply return an empty string in
+    // this case.
+    return col == 0 ? item->m_text
+                    : item->HasColumnsTexts() ? item->GetColumnText(col)
+                                              : m_root->m_text;
 }
 
 void wxTreeListModel::SetItemText(Node* item, unsigned col, const wxString& text)
@@ -1148,7 +1151,7 @@ void wxTreeListCtrl::SetColumnWidth(unsigned col, int width)
     wxDataViewColumn* const column = m_view->GetColumn(col);
     wxCHECK_RET( column, "No such column?" );
 
-    return column->SetWidth(width);
+    column->SetWidth(width);
 }
 
 int wxTreeListCtrl::GetColumnWidth(unsigned col) const
@@ -1608,29 +1611,38 @@ void wxTreeListCtrl::OnSize(wxSizeEvent& event)
         const wxRect rect = GetClientRect();
         m_view->SetSize(rect);
 
-        // Resize the first column to take the remaining available space, if
-        // any.
+#ifdef wxHAS_GENERIC_DATAVIEWCTRL
+        // The generic implementation doesn't refresh itself immediately which
+        // is annoying during "live resizing", so do it forcefully here to
+        // ensure that the items are re-laid out and the focus rectangle is
+        // redrawn correctly (instead of leaving traces) while our size is
+        // being changed.
+        wxWindow* const view = GetView();
+        view->Refresh();
+        view->Update();
+#endif // wxHAS_GENERIC_DATAVIEWCTRL
+
+        // Resize the first column to take the remaining available space.
         const unsigned numColumns = GetColumnCount();
         if ( !numColumns )
             return;
 
         // There is a bug in generic wxDataViewCtrl: if the column width sums
         // up to the total size, horizontal scrollbar (unnecessarily) appears,
-        // so subtract 10 pixels to ensure this doesn't happen.
-        int remainingWidth = rect.width - 10;
+        // so subtract a bit to ensure this doesn't happen.
+        int remainingWidth = rect.width - 5;
         for ( unsigned n = 1; n < GetColumnCount(); n++ )
         {
             remainingWidth -= GetColumnWidth(n);
-            if ( remainingWidth < 0 )
-                break;
+            if ( remainingWidth <= 0 )
+            {
+                // There is not enough space, as we're not going to give the
+                // first column negative width anyhow, just don't do anything.
+                return;
+            }
         }
 
-        // We don't decrease the width of the first column, even if we had
-        // increased it ourselves, because we want to avoid changing its size
-        // if the user resized it. We might want to remember if this was the
-        // case or if we only ever adjusted it automatically in the future.
-        if ( remainingWidth > GetColumnWidth(0) )
-            SetColumnWidth(0, remainingWidth);
+        SetColumnWidth(0, remainingWidth);
     }
 }
 
@@ -1647,7 +1659,7 @@ wxWindow* wxTreeListCtrl::GetView() const
 // wxTreeListEvent implementation
 // ============================================================================
 
-wxIMPLEMENT_ABSTRACT_CLASS(wxTreeListEvent, wxNotifyEvent)
+wxIMPLEMENT_DYNAMIC_CLASS(wxTreeListEvent, wxNotifyEvent)
 
 #define wxDEFINE_TREELIST_EVENT(name) \
     wxDEFINE_EVENT(wxEVT_COMMAND_TREELIST_##name, wxTreeListEvent)