X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0f4a54a6556d348d4c9dd9e46a54d5f30fdbaa3b..86381d4297f0225448823369a0df73ba67664078:/interface/wx/dataview.h

diff --git a/interface/wx/dataview.h b/interface/wx/dataview.h
index dd6e049534..0c06dae862 100644
--- a/interface/wx/dataview.h
+++ b/interface/wx/dataview.h
@@ -421,7 +421,7 @@ public:
                                 unsigned int col) const;
 
     /**
-        Returns the number of items (i.e. rows) in the list.
+        Returns the number of items (or rows) in the list.
     */
     unsigned int GetCount() const;
 
@@ -614,8 +614,9 @@ public:
     /**
         Constructor.
     */
-    wxDataViewItem(void* id = NULL);
+    wxDataViewItem();
     wxDataViewItem(const wxDataViewItem& item);
+    explicit wxDataViewItem(void* id);
     //@}
 
     /**
@@ -1015,13 +1016,35 @@ public:
     */
     wxDataViewModel* GetModel();
 
+    /**
+        Returns the number of currently selected items.
+
+        This method may be called for both the controls with single and
+        multiple selections and returns the number of selected item, possibly
+        0, in any case.
+
+        @since 2.9.3
+     */
+    virtual int GetSelectedItemsCount() const;
+
     /**
         Returns first selected item or an invalid item if none is selected.
+
+        This method may be called for both the controls with single and
+        multiple selections but returns an invalid item if more than one item
+        is selected in the latter case, use HasSelection() to determine if
+        there are any selected items when using multiple selection.
     */
     virtual wxDataViewItem GetSelection() const;
 
     /**
         Fills @a sel with currently selected items and returns their number.
+
+        This method may be called for both the controls with single and
+        multiple selections. In the single selection case it returns the array
+        with at most one element in it.
+
+        @see GetSelectedItemsCount()
     */
     virtual int GetSelections(wxDataViewItemArray& sel) const;
 
@@ -1031,6 +1054,20 @@ public:
     */
     virtual wxDataViewColumn* GetSortingColumn() const;
 
+    /**
+        Returns true if any items are currently selected.
+
+        This method may be called for both the controls with single and
+        multiple selections.
+
+        Calling this method is equivalent to calling GetSelectedItemsCount()
+        and comparing its result with 0 but is more clear and might also be
+        implemented more efficiently in the future.
+
+        @since 2.9.3
+     */
+    bool HasSelection() const;
+
     /**
         Hittest.
     */
@@ -2715,6 +2752,26 @@ public:
     */
     const wxVariant& GetValue() const;
 
+    /**
+        Can be used to determine whether the new value is going to be accepted
+        in wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE handler.
+
+        Returns @true if editing the item was cancelled or if the user tried to
+        enter an invalid value (refused by wxDataViewRenderer::Validate()). If
+        this method returns @false, it means that the value in the model is
+        about to be changed to the new one.
+
+        Notice that wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE event handler can
+        call wxNotifyEvent::Veto() to prevent this from happening.
+
+        Currently support for setting this field and for vetoing the change is
+        only available in the generic version of wxDataViewCtrl, i.e. under MSW
+        but not GTK nor OS X.
+
+        @since 2.9.3
+     */
+    bool IsEditCancelled() const;
+
     /**
         Sets the column index associated with this event.
     */