X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1dd7badd1ff93e390d6020a0ab5a6c48eca8ebaa..65751a0ee7a4cfaef9f459c29bfd67f5be6d893b:/src/unix/taskbarx11.cpp

diff --git a/src/unix/taskbarx11.cpp b/src/unix/taskbarx11.cpp
index ab82f80a49..ced3b5e059 100644
--- a/src/unix/taskbarx11.cpp
+++ b/src/unix/taskbarx11.cpp
@@ -124,7 +124,7 @@ BEGIN_EVENT_TABLE(wxTaskBarIconArea, wxTaskBarIconAreaBase)
 END_EVENT_TABLE()
 
 wxTaskBarIconArea::wxTaskBarIconArea(wxTaskBarIcon *icon, const wxBitmap &bmp)
-    : wxTaskBarIconAreaBase(), m_icon(icon), m_pos(0,0)
+    : wxTaskBarIconAreaBase(), m_icon(icon), m_bmp(bmp)
 {
 #if defined(__WXGTK20__) && defined(TASKBAR_ICON_AREA_BASE_INCLUDED)
     m_invokingWindow = icon;
@@ -263,7 +263,11 @@ wxTaskBarIcon::wxTaskBarIcon() : m_iconWnd(NULL)
 wxTaskBarIcon::~wxTaskBarIcon()
 {
     if (m_iconWnd)
+    {
+        m_iconWnd->Disconnect(
+            wxEVT_DESTROY, wxObjectEventFunction(NULL), NULL, this);
         RemoveIcon();
+    }
 }
 
 bool wxTaskBarIcon::IsOk() const
@@ -276,6 +280,14 @@ bool wxTaskBarIcon::IsIconInstalled() const
     return m_iconWnd != NULL;
 }
 
+// Destroy event from wxTaskBarIconArea
+void wxTaskBarIcon::OnDestroy(wxWindowDestroyEvent&)
+{
+    // prevent crash if wxTaskBarIconArea is destroyed by something else,
+    // for example if panel/kicker is killed
+    m_iconWnd = NULL;
+}
+
 bool wxTaskBarIcon::SetIcon(const wxIcon& icon, const wxString& tooltip)
 {
     wxBitmap bmp;
@@ -286,6 +298,9 @@ bool wxTaskBarIcon::SetIcon(const wxIcon& icon, const wxString& tooltip)
         m_iconWnd = new wxTaskBarIconArea(this, bmp);
         if (m_iconWnd->IsOk())
         {
+            m_iconWnd->Connect(wxEVT_DESTROY,
+                wxWindowDestroyEventHandler(wxTaskBarIcon::OnDestroy),
+                NULL, this);
             m_iconWnd->Show();
         }
         else