Fix compiler warnings in the IE backend.

[wxWidgets.git] / src / common / combocmn.cpp

diff --git a/src/common/combocmn.cpp b/src/common/combocmn.cpp
index 1432300dc62101d0a3d4ae75649a1ebdf3361a22..8b2ff1940bd026371c957bab348940dc9438762c 100644 (file)
--- a/src/common/combocmn.cpp
+++ b/src/common/combocmn.cpp
@@ -160,7 +160,7 @@ wxCONSTRUCTOR_5( wxComboBox, wxWindow*, Parent, wxWindowID, Id, \
 #endif
 
 // NB: Let's not be afraid to use wxGTK's wxPopupTransientWindow as a
-//     'perfect' popup, as it can succesfully host child controls even in
+//     'perfect' popup, as it can successfully host child controls even in
 //     popups that are shown in modal dialogs.
 
 #define USE_TRANSIENT_POPUP           1 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
@@ -674,6 +674,34 @@ void wxComboPopup::Dismiss()
     m_combo->HidePopup(true);
 }
 
+void wxComboPopup::DestroyPopup()
+{
+    // Here we make sure that the popup control's Destroy() gets called.
+    // This is necessary for the wxPersistentWindow to work properly.
+    wxWindow* popupCtrl = GetControl();
+    if ( popupCtrl )
+    {
+        // While all wxComboCtrl examples have m_popupInterface and
+        // popupCtrl as the same class (that will be deleted via the
+        // Destroy() call below), it is technically still possible to
+        // have implementations where they are in fact not same
+        // multiple-inherited class. Here we use C++ RTTI to check for
+        // this rare case.
+      #ifndef wxNO_RTTI
+        // It is probably better to delete m_popupInterface first, so
+        // that it retains access to its popup control window.
+        if ( dynamic_cast<void*>(this) !=
+             dynamic_cast<void*>(popupCtrl) )
+            delete this;
+      #endif
+        popupCtrl->Destroy();
+    }
+    else
+    {
+        delete this;
+    }
+}
+
 // ----------------------------------------------------------------------------
 // input handling
 // ----------------------------------------------------------------------------
@@ -932,7 +960,6 @@ public:
 
 
 BEGIN_EVENT_TABLE(wxComboCtrlBase, wxControl)
-    EVT_TEXT(wxID_ANY,wxComboCtrlBase::OnTextCtrlEvent)
     EVT_SIZE(wxComboCtrlBase::OnSizeEvent)
     EVT_SET_FOCUS(wxComboCtrlBase::OnFocusEvent)
     EVT_KILL_FOCUS(wxComboCtrlBase::OnFocusEvent)
@@ -940,7 +967,6 @@ BEGIN_EVENT_TABLE(wxComboCtrlBase, wxControl)
     //EVT_BUTTON(wxID_ANY,wxComboCtrlBase::OnButtonClickEvent)
     EVT_KEY_DOWN(wxComboCtrlBase::OnKeyEvent)
     EVT_CHAR(wxComboCtrlBase::OnCharEvent)
-    EVT_TEXT_ENTER(wxID_ANY,wxComboCtrlBase::OnTextCtrlEvent)
     EVT_SYS_COLOUR_CHANGED(wxComboCtrlBase::OnSysColourChanged)
 END_EVENT_TABLE()
 
@@ -1018,10 +1044,11 @@ bool wxComboCtrlBase::Create(wxWindow *parent,
     m_iFlags |= wxCC_IFLAG_CREATED;
 
     // If x and y indicate valid size, wxSizeEvent won't be
-    // emitted automatically, so we need to add artifical one.
+    // emitted automatically, so we need to add artificial one.
     if ( size.x > 0 && size.y > 0 )
     {
         wxSizeEvent evt(size,GetId());
+        evt.SetEventObject(this);
         GetEventHandler()->AddPendingEvent(evt);
     }
 
@@ -1066,6 +1093,16 @@ wxComboCtrlBase::CreateTextCtrl(int style)
         m_text->Create(this, wxID_ANY, m_valueString,
                        wxDefaultPosition, wxSize(10,-1),
                        style);
+
+        // Connecting the events is currently the most reliable way
+        wxWindowID id = m_text->GetId();
+        m_text->Connect(id, wxEVT_COMMAND_TEXT_UPDATED,
+                        wxCommandEventHandler(wxComboCtrlBase::OnTextCtrlEvent),
+                        NULL, this);
+        m_text->Connect(id, wxEVT_COMMAND_TEXT_ENTER,
+                        wxCommandEventHandler(wxComboCtrlBase::OnTextCtrlEvent),
+                        NULL, this);
+
         m_text->SetHint(m_hintText);
     }
 }
@@ -1715,6 +1752,7 @@ void wxComboCtrlBase::RecalcAndRefresh()
     if ( IsCreated() )
     {
         wxSizeEvent evt(GetSize(),GetId());
+        evt.SetEventObject(this);
         GetEventHandler()->ProcessEvent(evt);
         Refresh();
     }
@@ -1726,6 +1764,13 @@ void wxComboCtrlBase::RecalcAndRefresh()
 
 void wxComboCtrlBase::OnTextCtrlEvent(wxCommandEvent& event)
 {
+    // Avoid infinite recursion
+    if ( event.GetEventObject() == this )
+    {
+        event.Skip();
+        return;
+    }
+
     if ( event.GetEventType() == wxEVT_COMMAND_TEXT_UPDATED )
     {
         if ( m_ignoreEvtText > 0 )
@@ -1735,12 +1780,13 @@ void wxComboCtrlBase::OnTextCtrlEvent(wxCommandEvent& event)
         }
     }
 
-    // Change event id, object and string before relaying it forward
-    event.SetId(GetId());
-    wxString s = event.GetString();
-    event.SetEventObject(this);
-    event.SetString(s);
-    event.Skip();
+    // For safety, completely re-create a new wxCommandEvent
+    wxCommandEvent evt2(event);
+    evt2.SetId(GetId());
+    evt2.SetEventObject(this);
+    HandleWindowEvent(evt2);
+
+    event.StopPropagation();
 }
 
 // call if cursor is on button area or mouse is captured for the button
@@ -2089,7 +2135,12 @@ void wxComboCtrlBase::DestroyPopup()
 
     wxDELETE(m_popupEvtHandler);
 
-    wxDELETE(m_popupInterface);
+    if ( m_popupInterface )
+    {
+        // NB: DestroyPopup() performs 'delete this'.
+        m_popupInterface->DestroyPopup();
+        m_popupInterface = NULL;
+    }
 
     if ( m_winPopup )
     {
@@ -2645,7 +2696,7 @@ void wxComboCtrlBase::OnSetValue(const wxString& value)
         bool found = true;
         wxString trueValue = value;
 
-        // Conform to wxComboBox behavior: read-only control can only accept
+        // Conform to wxComboBox behaviour: read-only control can only accept
         // valid list items and empty string
         if ( m_popupInterface && HasFlag(wxCB_READONLY) && value.length() )
         {