[Libreoffice-commits] core.git: include/vcl vcl/source

[Caolán McNamara (via logerrit)]

 include/vcl/dockwin.hxx       |    1 +
 vcl/source/window/dockwin.cxx |   16 ++++++++++++++++
 2 files changed, 17 insertions(+)

New commits:
commit 16a91006ca44da08fb436d70129e7a8cbff9e2d2
Author:     Caolán McNamara <caolanm at redhat.com>
AuthorDate: Wed Mar 10 14:21:42 2021 +0000
Commit:     Caolán McNamara <caolanm at redhat.com>
CommitDate: Thu Mar 11 10:04:21 2021 +0100

    allow throwing away size cache of hosted container
    
    Change-Id: I9d6eb1af80526c4853d695af3e269187569a538c
    Reviewed-on: https://gerrit.libreoffice.org/c/core/+/112271
    Tested-by: Caolán McNamara <caolanm at redhat.com>
    Reviewed-by: Caolán McNamara <caolanm at redhat.com>

diff --git a/include/vcl/dockwin.hxx b/include/vcl/dockwin.hxx
index 8dbe5ead00a4..afca81622a2f 100644
--- a/include/vcl/dockwin.hxx
+++ b/include/vcl/dockwin.hxx
@@ -248,6 +248,7 @@ protected:
 public:
     ResizableDockingWindow(vcl::Window* pParent,
         const css::uno::Reference<css::frame::XFrame> &rFrame = css::uno::Reference<css::frame::XFrame>());
+    void InvalidateChildSizeCache();
     ResizableDockingWindow(vcl::Window* pParent, WinBits nStyle);
     virtual ~ResizableDockingWindow() override;
     virtual void dispose() override;
diff --git a/vcl/source/window/dockwin.cxx b/vcl/source/window/dockwin.cxx
index 6834317c87ff..3b622cf1cd73 100644
--- a/vcl/source/window/dockwin.cxx
+++ b/vcl/source/window/dockwin.cxx
@@ -1115,6 +1115,22 @@ ResizableDockingWindow::ResizableDockingWindow(vcl::Window* pParent, WinBits nSt
 {
 }
 
+// needed to blow away the cached size of the boundary between vcl and hosted child widget
+void ResizableDockingWindow::InvalidateChildSizeCache()
+{
+    // find the bottom vcl::Window of the hierarchy and queue_resize on that
+    // one will invalidate all the size caches upwards
+    vcl::Window* pChild = GetWindow(GetWindowType::FirstChild);
+    while (true)
+    {
+        vcl::Window* pSubChild = pChild->GetWindow(GetWindowType::FirstChild);
+        if (!pSubChild)
+            break;
+        pChild = pSubChild;
+    }
+    pChild->queue_resize();
+}
+
 ResizableDockingWindow::~ResizableDockingWindow()
 {
     disposeOnce();