X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ef37a43194e06496cba74b1f0d0ab9eeefde4af7..bc9666c99939f6f1a6fc11fd10fa2db3deb747ae:/src/common/toplvcmn.cpp

diff --git a/src/common/toplvcmn.cpp b/src/common/toplvcmn.cpp
index 4e501fa79d..ceee633abf 100644
--- a/src/common/toplvcmn.cpp
+++ b/src/common/toplvcmn.cpp
@@ -39,7 +39,6 @@
 BEGIN_EVENT_TABLE(wxTopLevelWindowBase, wxWindow)
     EVT_CLOSE(wxTopLevelWindowBase::OnCloseWindow)
     EVT_SIZE(wxTopLevelWindowBase::OnSize)
-    EVT_WINDOW_DESTROY(wxTopLevelWindowBase::OnChildDestroy)
     WX_EVENT_TABLE_CONTROL_CONTAINER(wxTopLevelWindowBase)
 END_EVENT_TABLE()
 
@@ -59,17 +58,12 @@ wxTopLevelWindowBase::wxTopLevelWindowBase()
 {
     // Unlike windows, top level windows are created hidden by default.
     m_isShown = false;
-    m_winDefault =
-    m_winTmpDefault = NULL;
 
     WX_INIT_CONTROL_CONTAINER();
 }
 
 wxTopLevelWindowBase::~wxTopLevelWindowBase()
 {
-    m_winDefault =
-    m_winTmpDefault = NULL;
-
     // don't let wxTheApp keep any stale pointers to us
     if ( wxTheApp && wxTheApp->GetTopWindow() == this )
         wxTheApp->SetTopWindow(NULL);
@@ -118,15 +112,26 @@ bool wxTopLevelWindowBase::Destroy()
     if ( !wxPendingDelete.Member(this) )
         wxPendingDelete.Append(this);
 
-    if (wxTopLevelWindows.GetCount() > 1)
+    // normally we want to hide the window immediately so that it doesn't get
+    // stuck on the screen while it's being destroyed, however we shouldn't
+    // hide the last visible window as then we might not get any idle events
+    // any more as no events will be sent to the hidden window and without idle
+    // events we won't prune wxPendingDelete list and the application won't
+    // terminate
+    for ( wxWindowList::const_iterator i = wxTopLevelWindows.begin(),
+                                     end = wxTopLevelWindows.end();
+          i != end;
+          ++i )
     {
-        // Hide it immediately. This should
-        // not be done if this TLW is the
-        // only one left since we then would
-        // risk not to get any idle events
-        // at all anymore during which we
-        // could delete any pending events.
-        Hide();
+        wxTopLevelWindow * const win = static_cast<wxTopLevelWindow *>(*i);
+        if ( win != this && win->IsShown() )
+        {
+            // there remains at least one other visible TLW, we can hide this
+            // one
+            Hide();
+
+            break;
+        }
     }
 
     return true;
@@ -145,7 +150,7 @@ bool wxTopLevelWindowBase::IsLastBeforeExit() const
     // then decide whether we should exit at all
     for ( i = wxTopLevelWindows.begin(); i != end; ++i )
     {
-        wxTopLevelWindow * const win = wx_static_cast(wxTopLevelWindow *, *i);
+        wxTopLevelWindow * const win = static_cast<wxTopLevelWindow *>(*i);
         if ( win->ShouldPreventAppExit() )
         {
             // there remains at least one important TLW, don't exit
@@ -157,7 +162,7 @@ bool wxTopLevelWindowBase::IsLastBeforeExit() const
     for ( i = wxTopLevelWindows.begin(); i != end; ++i )
     {
         // don't close twice the windows which are already marked for deletion
-        wxTopLevelWindow * const win = wx_static_cast(wxTopLevelWindow *, *i);
+        wxTopLevelWindow * const win = static_cast<wxTopLevelWindow *>(*i);
         if ( !wxPendingDelete.Member(win) && !win->Close() )
         {
             // one of the windows refused to close, don't exit
@@ -197,7 +202,7 @@ void wxTopLevelWindowBase::GetRectForTopLevelChildren(int *x, int *y, int *w, in
 wxSize wxTopLevelWindowBase::GetDefaultSize()
 {
     wxSize size = wxGetClientDisplayRect().GetSize();
-
+#ifndef __WXOSX_IPHONE__
     // create proportionally bigger windows on small screens
     if ( size.x >= 1024 )
         size.x = 400;
@@ -213,7 +218,7 @@ wxSize wxTopLevelWindowBase::GetDefaultSize()
         size.y *= 2;
         size.y /= 3;
     }
-
+#endif
     return size;
 }
 
@@ -221,7 +226,10 @@ void wxTopLevelWindowBase::DoCentre(int dir)
 {
     // on some platforms centering top level windows is impossible
     // because they are always maximized by guidelines or limitations
-    if(IsAlwaysMaximized())
+    //
+    // and centering a maximized window doesn't make sense as its position
+    // can't change
+    if ( IsAlwaysMaximized() || IsMaximized() )
         return;
 
     // we need the display rect anyhow so store it first: notice that we should
@@ -243,27 +251,24 @@ void wxTopLevelWindowBase::DoCentre(int dir)
         // parent frame under Mac but could happen elsewhere too if the frame
         // was hidden/moved away for some reason), don't use it as otherwise
         // this window wouldn't be visible at all
-        if ( !rectDisplay.Contains(rectParent.GetTopLeft()) &&
-                !rectParent.Contains(rectParent.GetBottomRight()) )
+        if ( !rectParent.Intersects(rectDisplay) )
         {
-            // this is enough to make IsEmpty() test below pass
-            rectParent.width = 0;
+            // just centre on screen then
+            rectParent = rectDisplay;
         }
     }
-
-    if ( rectParent.IsEmpty() )
+    else
     {
         // we were explicitly asked to centre this window on the entire screen
         // or if we have no parent anyhow and so can't centre on it
         rectParent = rectDisplay;
     }
 
-    // centering maximized window on screen is no-op
-    if((rectParent == rectDisplay) && IsMaximized())
-        return;
+    if ( !(dir & wxBOTH) )
+        dir |= wxBOTH; // if neither is specified, center in both directions
 
     // the new window rect candidate
-    wxRect rect = GetRect().CentreIn(rectParent, dir);
+    wxRect rect = GetRect().CentreIn(rectParent, dir & ~wxCENTRE_ON_SCREEN);
 
     // we don't want to place the window off screen if Centre() is called as
     // this is (almost?) never wanted and it would be very difficult to prevent
@@ -369,7 +374,7 @@ void wxTopLevelWindowBase::DoLayout()
     else
     {
         // do we have _exactly_ one child?
-        wxWindow *child = (wxWindow *)NULL;
+        wxWindow *child = NULL;
         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
               node;
               node = node->GetNext() )
@@ -408,17 +413,6 @@ void wxTopLevelWindowBase::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
     Destroy();
 }
 
-void wxTopLevelWindowBase::OnChildDestroy(wxWindowDestroyEvent& event)
-{
-    event.Skip();
-
-    wxWindow * const win = event.GetWindow();
-    if ( win == m_winDefault )
-        m_winDefault = NULL;
-    if ( win == m_winTmpDefault )
-        m_winTmpDefault = NULL;
-}
-
 bool wxTopLevelWindowBase::SendIconizeEvent(bool iconized)
 {
     wxIconizeEvent event(GetId(), iconized);