Ensure there is valid context for DrawRectangle

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

diff --git a/src/generic/treectlg.cpp b/src/generic/treectlg.cpp
index 60b843a17a13e38a7271f09f7ca99a1b703f15e3..d7193a9febe4380661f50f6e188580b8a453bb14 100644 (file)
--- a/src/generic/treectlg.cpp
+++ b/src/generic/treectlg.cpp
@@ -127,7 +127,7 @@ public:
 
     wxTreeFindTimer( wxGenericTreeCtrl *owner ) { m_owner = owner; }
 
-    virtual void Notify() { m_owner->m_findPrefix.clear(); }
+    virtual void Notify() { m_owner->ResetFindState(); }
 
 private:
     wxGenericTreeCtrl *m_owner;
@@ -956,6 +956,7 @@ void wxGenericTreeCtrl::Init()
     m_renameTimer = NULL;
 
     m_findTimer = NULL;
+    m_findBell = 0;  // default is to not ring bell at all
 
     m_dropEffectAboveItem = false;
 
@@ -1045,6 +1046,11 @@ wxGenericTreeCtrl::~wxGenericTreeCtrl()
         delete m_imageListButtons;
 }
 
+void wxGenericTreeCtrl::EnableBellOnNoMatch( bool on )
+{
+    m_findBell = on;
+}
+
 // -----------------------------------------------------------------------------
 // accessors
 // -----------------------------------------------------------------------------
@@ -1557,6 +1563,13 @@ void wxGenericTreeCtrl::ResetTextControl()
     m_textCtrl = NULL;
 }
 
+void wxGenericTreeCtrl::ResetFindState()
+{
+    m_findPrefix.clear();
+    if ( m_findBell )
+        m_findBell = 1;
+}
+
 // find the first item starting with the given prefix after the given item
 wxTreeItemId wxGenericTreeCtrl::FindItem(const wxTreeItemId& idParent,
                                          const wxString& prefixOrig) const
@@ -1599,8 +1612,12 @@ wxTreeItemId wxGenericTreeCtrl::FindItem(const wxTreeItemId& idParent,
         {
             itemid = GetNext(itemid);
         }
-        // If we haven't found the item, id.IsOk() will be false, as per
-        // documentation
+        // If we haven't found the item but wrapped back to the one we started
+        // from, id.IsOk() must be false
+        if ( itemid == idParent )
+        {
+            itemid = wxTreeItemId();
+        }
     }
 
     return itemid;
@@ -3343,6 +3360,24 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event )
                 if ( id.IsOk() )
                 {
                     SelectItem(id);
+
+                    // Reset the bell flag if it had been temporarily disabled
+                    // before.
+                    if ( m_findBell )
+                        m_findBell = 1;
+                }
+                else // No such item
+                {
+                    // Signal it with a bell if enabled.
+                    if ( m_findBell == 1 )
+                    {
+                        ::wxBell();
+
+                        // Disable it for the next unsuccessful match, we only
+                        // beep once, this is usually enough and continuing to
+                        // do it would be annoying.
+                        m_findBell = -1;
+                    }
                 }
             }
             else
@@ -3448,11 +3483,7 @@ wxTextCtrl *wxGenericTreeCtrl::EditLabel(const wxTreeItemId& item,
     // question might just have been added and no screen
     // update taken place.
     if ( m_dirty )
-#if defined( __WXMSW__ ) || defined(__WXMAC__)
-        Update();
-#else
         DoDirtyProcessing();
-#endif
 
     // TODO: use textCtrlClass here to create the control of correct class
     m_textCtrl = new wxTreeTextCtrl(this, itemEdit);
@@ -3559,6 +3590,13 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
         wxTreeEvent
             hevent(wxEVT_COMMAND_TREE_ITEM_GETTOOLTIP,  this, hoverItem);
 
+        // setting a tooltip upon leaving a view is getting the tooltip displayed
+        // on the neighbouring view ...
+#ifdef __WXOSX__
+        if ( event.Leaving() )
+            SetToolTip(NULL);
+        else
+#endif
         if ( GetEventHandler()->ProcessEvent(hevent) )
         {
             // If the user permitted the tooltip change, update it, otherwise