vcl: hold VclPtrs to avoid possible lifecycle related crashers.

Makes code on common EnableInput crash reporter trace safer.

Change-Id: Ibcf218d0d2460383d12e19f48aaf0ab08e541532
Reviewed-on: https://gerrit.libreoffice.org/32706
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Michael Meeks <michael.meeks@collabora.com>
(cherry picked from commit 61aa97c1be23398acb7e9160763b621f63c13d88)
Reviewed-on: https://gerrit.libreoffice.org/32719
Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>

1 files changed, 13 insertions, 13 deletions

diff --git a/vcl/source/window/window.cxx b/vcl/source/window/window.cxx
index ac89e1cc115d..e483e2952b7c 100644
--- a/vcl/source/window/window.cxx
+++ b/vcl/source/window/window.cxx
@@ -1408,7 +1408,7 @@ bool Window::ImplUpdatePos()
         mnOutOffY  = mpWindowImpl->mnY + pParent->mnOutOffY;
     }
 
-    vcl::Window* pChild = mpWindowImpl->mpFirstChild;
+    VclPtr< vcl::Window > pChild = mpWindowImpl->mpFirstChild;
     while ( pChild )
     {
         if ( pChild->ImplUpdatePos() )
@@ -1427,7 +1427,7 @@ void Window::ImplUpdateSysObjPos()
     if ( mpWindowImpl->mpSysObj )
         mpWindowImpl->mpSysObj->SetPosSize( mnOutOffX, mnOutOffY, mnOutWidth, mnOutHeight );
 
-    vcl::Window* pChild = mpWindowImpl->mpFirstChild;
+    VclPtr< vcl::Window > pChild = mpWindowImpl->mpFirstChild;
     while ( pChild )
     {
         pChild->ImplUpdateSysObjPos();
@@ -1957,7 +1957,7 @@ bool Window::IsLocked() const
     if ( mpWindowImpl->mnLockCount != 0 )
         return true;
 
-    vcl::Window* pChild = mpWindowImpl->mpFirstChild;
+    VclPtr<vcl::Window> pChild = mpWindowImpl->mpFirstChild;
     while ( pChild )
     {
         if ( pChild->IsLocked() )
@@ -2156,7 +2156,7 @@ void Window::CollectChildren(::std::vector<vcl::Window *>& rAllChildren )
 {
     rAllChildren.push_back( this );
 
-    vcl::Window* pChild = mpWindowImpl->mpFirstChild;
+    VclPtr< vcl::Window > pChild = mpWindowImpl->mpFirstChild;
     while ( pChild )
     {
         pChild->CollectChildren( rAllChildren );
@@ -2470,7 +2470,7 @@ void Window::Enable( bool bEnable, bool bChild )
 
     if ( bChild )
     {
-        vcl::Window* pChild = mpWindowImpl->mpFirstChild;
+        VclPtr< vcl::Window > pChild = mpWindowImpl->mpFirstChild;
         while ( pChild )
         {
             pChild->Enable( bEnable, bChild );
@@ -2486,7 +2486,7 @@ void Window::SetCallHandlersOnInputDisabled( bool bCall )
 {
     mpWindowImpl->mbCallHandlersDuringInputDisabled = bCall;
 
-    vcl::Window* pChild = mpWindowImpl->mpFirstChild;
+    VclPtr< vcl::Window > pChild = mpWindowImpl->mpFirstChild;
     while ( pChild )
     {
         pChild->SetCallHandlersOnInputDisabled( bCall );
@@ -2543,7 +2543,7 @@ void Window::EnableInput( bool bEnable, bool bChild )
 
     if ( bChild )
     {
-        vcl::Window* pChild = mpWindowImpl->mpFirstChild;
+        VclPtr< vcl::Window > pChild = mpWindowImpl->mpFirstChild;
         while ( pChild )
         {
             pChild->EnableInput( bEnable, bChild );
@@ -2642,7 +2642,7 @@ void Window::AlwaysEnableInput( bool bAlways, bool bChild )
 
     if ( bChild )
     {
-        vcl::Window* pChild = mpWindowImpl->mpFirstChild;
+        VclPtr< vcl::Window > pChild = mpWindowImpl->mpFirstChild;
         while ( pChild )
         {
             pChild->AlwaysEnableInput( bAlways, bChild );
@@ -2671,7 +2671,7 @@ void Window::AlwaysDisableInput( bool bAlways, bool bChild )
 
     if ( bChild )
     {
-        vcl::Window* pChild = mpWindowImpl->mpFirstChild;
+        VclPtr< vcl::Window > pChild = mpWindowImpl->mpFirstChild;
         while ( pChild )
         {
             pChild->AlwaysDisableInput( bAlways, bChild );
@@ -3415,7 +3415,7 @@ void Window::DrawSelectionBackground( const Rectangle& rRect,
 bool Window::IsScrollable() const
 {
     // check for scrollbars
-    vcl::Window *pChild = mpWindowImpl->mpFirstChild;
+    VclPtr< vcl::Window > pChild = mpWindowImpl->mpFirstChild;
     while( pChild )
     {
         if( pChild->GetType() == WINDOW_SCROLLBAR )
@@ -3488,14 +3488,14 @@ bool Window::HasActiveChildFrame()
         if( pFrameWin != mpWindowImpl->mpFrameWindow )
         {
             bool bDecorated = false;
-            vcl::Window *pChildFrame = pFrameWin->ImplGetWindow();
+            VclPtr< vcl::Window > pChildFrame = pFrameWin->ImplGetWindow();
             // #i15285# unfortunately WB_MOVEABLE is the same as WB_TABSTOP which can
             // be removed for ToolBoxes to influence the keyboard accessibility
             // thus WB_MOVEABLE is no indicator for decoration anymore
             // but FloatingWindows carry this information in their TitleType...
             // TODO: avoid duplicate WinBits !!!
             if( pChildFrame && pChildFrame->ImplIsFloatingWindow() )
-                bDecorated = static_cast<FloatingWindow*>(pChildFrame)->GetTitleType() != FloatWinTitleType::NONE;
+                bDecorated = static_cast<FloatingWindow*>(pChildFrame.get())->GetTitleType() != FloatWinTitleType::NONE;
             if( bDecorated || (pFrameWin->mpWindowImpl->mnStyle & (WB_MOVEABLE | WB_SIZEABLE) ) )
                 if( pChildFrame && pChildFrame->IsVisible() && pChildFrame->IsActive() )
                 {
@@ -3537,7 +3537,7 @@ void Window::EnableNativeWidget( bool bEnable )
     }
 
     // push down, useful for compound controls
-    vcl::Window *pChild = mpWindowImpl->mpFirstChild;
+    VclPtr< vcl::Window > pChild = mpWindowImpl->mpFirstChild;
     while( pChild )
     {
         pChild->EnableNativeWidget( bEnable );