Fix for probably rare but potential refcount leak.

[wxWidgets.git] / src / x11 / window.cpp

diff --git a/src/x11/window.cpp b/src/x11/window.cpp
index 5fc23f7e6b9b2eb50b67f437556e93cbcfb71133..666f2d0157cd150c48a779fe220d9ce694fe8817 100644 (file)
--- a/src/x11/window.cpp
+++ b/src/x11/window.cpp
@@ -62,8 +62,6 @@
 // global variables for this module
 // ----------------------------------------------------------------------------
 
 // global variables for this module
 // ----------------------------------------------------------------------------
 

-extern wxHashTable *wxWidgetHashTable;
-extern wxHashTable *wxClientWidgetHashTable;

 static wxWindow* g_captureWindow = NULL;
 static GC g_eraseGC;
 
 static wxWindow* g_captureWindow = NULL;
 static GC g_eraseGC;
 


@@ -99,9 +97,6 @@ END_EVENT_TABLE()
 
 void wxWindowX11::Init()
 {
 
 void wxWindowX11::Init()
 {

-    // generic initializations first
-    InitBase();
-

     // X11-specific
     m_mainWindow = (WXWindow) 0;
     m_clientWindow = (WXWindow) 0;
     // X11-specific
     m_mainWindow = (WXWindow) 0;
     m_clientWindow = (WXWindow) 0;


@@ -111,7 +106,6 @@ void wxWindowX11::Init()
     m_winCaptured = FALSE;
     m_needsInputFocus = FALSE;
     m_isShown = TRUE;
     m_winCaptured = FALSE;
     m_needsInputFocus = FALSE;
     m_isShown = TRUE;

-    m_isBeingDeleted = FALSE;

     m_lastTS = 0;
     m_lastButton = 0;
 }
     m_lastTS = 0;
     m_lastButton = 0;
 }


@@ -123,7 +117,7 @@ bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
                       long style,
                       const wxString& name)
 {
                       long style,
                       const wxString& name)
 {

-    wxCHECK_MSG( parent, FALSE, "can't create wxWindow without parent" );
+    wxCHECK_MSG( parent, FALSE, wxT("can't create wxWindow without parent") );

 
     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 
 
     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 


@@ -224,7 +218,7 @@ bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
             PropertyChangeMask | VisibilityChangeMask ;
 
             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
             PropertyChangeMask | VisibilityChangeMask ;
 

-        if (HasFlag( wxNO_FULL_REPAINT_ON_RESIZE ))
+        if (!HasFlag( wxFULL_REPAINT_ON_RESIZE ))

         {
             xattributes_mask |= CWBitGravity;
             xattributes.bit_gravity = StaticGravity;
         {
             xattributes_mask |= CWBitGravity;
             xattributes.bit_gravity = StaticGravity;


@@ -304,7 +298,7 @@ bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
             PropertyChangeMask | VisibilityChangeMask ;
 
             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
             PropertyChangeMask | VisibilityChangeMask ;
 

-        if (HasFlag( wxNO_FULL_REPAINT_ON_RESIZE ))
+        if (!HasFlag( wxFULL_REPAINT_ON_RESIZE ))

         {
             xattributes_mask |= CWBitGravity;
             xattributes.bit_gravity = NorthWestGravity;
         {
             xattributes_mask |= CWBitGravity;
             xattributes.bit_gravity = NorthWestGravity;


@@ -348,9 +342,6 @@ wxWindowX11::~wxWindowX11()
 
     m_isBeingDeleted = TRUE;
 
 
     m_isBeingDeleted = TRUE;
 

-    if (m_parent)
-        m_parent->RemoveChild( this );
-

     DestroyChildren();
 
     if (m_clientWindow != m_mainWindow)
     DestroyChildren();
 
     if (m_clientWindow != m_mainWindow)


@@ -471,7 +462,7 @@ void wxWindowX11::DoCaptureMouse()
 {
     if ((g_captureWindow != NULL) && (g_captureWindow != this))
     {
 {
     if ((g_captureWindow != NULL) && (g_captureWindow != this))
     {

-        wxASSERT_MSG(FALSE, "Trying to capture before mouse released.");
+        wxASSERT_MSG(FALSE, wxT("Trying to capture before mouse released."));

 
         // Core dump now
         int *tmp = NULL;
 
         // Core dump now
         int *tmp = NULL;


@@ -989,7 +980,7 @@ void wxWindowX11::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW,
 
 int wxWindowX11::GetCharHeight() const
 {
 
 int wxWindowX11::GetCharHeight() const
 {

-    wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
+    wxCHECK_MSG( m_font.Ok(), 0, wxT("valid window font needed") );

 
 #if wxUSE_UNICODE
     // There should be an easier way.
 
 #if wxUSE_UNICODE
     // There should be an easier way.


@@ -1016,7 +1007,7 @@ int wxWindowX11::GetCharHeight() const
 
 int wxWindowX11::GetCharWidth() const
 {
 
 int wxWindowX11::GetCharWidth() const
 {

-    wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
+    wxCHECK_MSG( m_font.Ok(), 0, wxT("valid window font needed") );

 
 #if wxUSE_UNICODE
     // There should be an easier way.
 
 #if wxUSE_UNICODE
     // There should be an easier way.


@@ -1300,73 +1291,71 @@ void wxWindowX11::OnInternalIdle()
 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------

-// function which maintain the global hash table mapping Widgets to wxWindows
+// function which maintain the global hash table mapping Widgets to wxWidgets

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-bool wxAddWindowToTable(Window w, wxWindow *win)
+static bool DoAddWindowToTable(wxWindowHash *hash, Window w, wxWindow *win)

 {
 {

-    wxWindow *oldItem = NULL;
-    if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
+    if ( !hash->insert(wxWindowHash::value_type(w, win)).second )

     {
     {

-        wxLogDebug( wxT("Widget table clash: new widget is %ld, %s"),
-                    (long)w, win->GetClassInfo()->GetClassName());
+        wxLogDebug( wxT("Widget table clash: new widget is 0x%08x, %s"),
+                    (unsigned int)w, win->GetClassInfo()->GetClassName());

         return FALSE;
     }
 
         return FALSE;
     }
 

-    wxWidgetHashTable->Put((long) w, win);
-

     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x <-> window %p (%s)"),
                 (unsigned int) w, win, win->GetClassInfo()->GetClassName());
 
     return TRUE;
 }
 
     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x <-> window %p (%s)"),
                 (unsigned int) w, win, win->GetClassInfo()->GetClassName());
 
     return TRUE;
 }
 

-wxWindow *wxGetWindowFromTable(Window w)
+static inline wxWindow *DoGetWindowFromTable(wxWindowHash *hash, Window w)

 {
 {

-    return (wxWindow *)wxWidgetHashTable->Get((long) w);
+    wxWindowHash::iterator i = hash->find(w);
+    return i == hash->end() ? NULL : i->second;

 }
 
 }
 

-void wxDeleteWindowFromTable(Window w)
+static inline void DoDeleteWindowFromTable(wxWindowHash *hash, Window w)

 {
 {

-    wxWidgetHashTable->Delete((long)w);
+    wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x deleted"), (unsigned int) w);
+
+    hash->erase(w);

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------

-// function which maintain the global hash table mapping client widgets
+// public wrappers

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-bool wxAddClientWindowToTable(Window w, wxWindow *win)
+bool wxAddWindowToTable(Window w, wxWindow *win)

 {
 {

-    wxWindow *oldItem = NULL;
-    if ((oldItem = (wxWindow *)wxClientWidgetHashTable->Get ((long) w)))
-    {
-        wxLogDebug( wxT("Client window table clash: new window is %ld, %s"),
-                    (long)w, win->GetClassInfo()->GetClassName());
-        return FALSE;
-    }
+    return DoAddWindowToTable(wxWidgetHashTable, w, win);
+}

 
 

-    wxClientWidgetHashTable->Put((long) w, win);
+wxWindow *wxGetWindowFromTable(Window w)
+{
+    return DoGetWindowFromTable(wxWidgetHashTable, w);
+}

 
 

-    wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x <-> window %p (%s)"),
-                (unsigned int) w, win, win->GetClassInfo()->GetClassName());
+void wxDeleteWindowFromTable(Window w)
+{
+    DoDeleteWindowFromTable(wxWidgetHashTable, w);
+}

 
 

-    return TRUE;
+bool wxAddClientWindowToTable(Window w, wxWindow *win)
+{
+    return DoAddWindowToTable(wxClientWidgetHashTable, w, win);

 }
 
 wxWindow *wxGetClientWindowFromTable(Window w)
 {
 }
 
 wxWindow *wxGetClientWindowFromTable(Window w)
 {

-    return (wxWindow *)wxClientWidgetHashTable->Get((long) w);
+    return DoGetWindowFromTable(wxClientWidgetHashTable, w);

 }
 
 void wxDeleteClientWindowFromTable(Window w)
 {
 }
 
 void wxDeleteClientWindowFromTable(Window w)
 {

-    wxClientWidgetHashTable->Delete((long)w);
+    DoDeleteWindowFromTable(wxClientWidgetHashTable, w);

 }
 
 }
 

-// ----------------------------------------------------------------------------
-// add/remove window from the table
-// ----------------------------------------------------------------------------
-

 // ----------------------------------------------------------------------------
 // X11-specific accessors
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // X11-specific accessors
 // ----------------------------------------------------------------------------


@@ -1586,7 +1575,7 @@ bool wxWindowX11::SetForegroundColour(const wxColour& col)
 wxWindow *wxGetActiveWindow()
 {
     // TODO
 wxWindow *wxGetActiveWindow()
 {
     // TODO

-    wxFAIL_MSG("Not implemented");
+    wxFAIL_MSG(wxT("Not implemented"));

     return NULL;
 }
 
     return NULL;
 }