move InterimItemWindow to vcl

Change-Id: If0a4a14708810c44d087b51961f2ecb3fda4df23
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/94649
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>

2 files changed, 100 insertions, 0 deletions

diff --git a/vcl/Library_vcl.mk b/vcl/Library_vcl.mk
index 73c74636c482..1a6fdce0d48b 100644
--- a/vcl/Library_vcl.mk
+++ b/vcl/Library_vcl.mk
@@ -191,6 +191,7 @@ $(eval $(call gb_Library_add_exception_objects,vcl,\
     vcl/source/control/fixedhyper \
     vcl/source/control/hyperlabel \
     vcl/source/control/fmtfield \
+    vcl/source/control/InterimItemWindow \
     vcl/source/control/imgctrl \
     vcl/source/control/imivctl1 \
     vcl/source/control/imivctl2 \
diff --git a/vcl/source/control/InterimItemWindow.cxx b/vcl/source/control/InterimItemWindow.cxx
new file mode 100644
index 000000000000..f9f54d757fd5
--- /dev/null
+++ b/vcl/source/control/InterimItemWindow.cxx
@@ -0,0 +1,99 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <vcl/InterimItemWindow.hxx>
+#include <vcl/layout.hxx>
+
+InterimItemWindow::InterimItemWindow(vcl::Window* pParent, const OUString& rUIXMLDescription,
+                                     const OString& rID)
+    : Control(pParent, WB_TABSTOP | WB_DIALOGCONTROL)
+{
+    m_xVclContentArea = VclPtr<VclVBox>::Create(this);
+    m_xVclContentArea->Show();
+    m_xBuilder.reset(Application::CreateInterimBuilder(m_xVclContentArea, rUIXMLDescription));
+    m_xContainer = m_xBuilder->weld_container(rID);
+
+    SetBackground();
+    SetPaintTransparent(true);
+}
+
+InterimItemWindow::~InterimItemWindow() { disposeOnce(); }
+
+void InterimItemWindow::dispose()
+{
+    m_xContainer.reset();
+    m_xBuilder.reset();
+    m_xVclContentArea.disposeAndClear();
+
+    Control::dispose();
+}
+
+void InterimItemWindow::Resize()
+{
+    vcl::Window* pChild = GetWindow(GetWindowType::FirstChild);
+    assert(pChild);
+    VclContainer::setLayoutAllocation(*pChild, Point(0, 0), GetSizePixel());
+    Control::Resize();
+}
+
+Size InterimItemWindow::GetOptimalSize() const
+{
+    return VclContainer::getLayoutRequisition(*GetWindow(GetWindowType::FirstChild));
+}
+
+void InterimItemWindow::GetFocus()
+{
+    /* let toolbox know this item window has focus so it updates its mnHighItemId to point
+       to this toolitem in case tab means to move to another toolitem within
+       the toolbox
+    */
+    vcl::Window* pToolBox = GetParent();
+    NotifyEvent aNEvt(MouseNotifyEvent::GETFOCUS, this);
+    pToolBox->EventNotify(aNEvt);
+}
+
+bool InterimItemWindow::ChildKeyInput(const KeyEvent& rKEvt)
+{
+    sal_uInt16 nCode = rKEvt.GetKeyCode().GetCode();
+    if (nCode != KEY_TAB)
+        return false;
+
+    /* if the native widget has focus, then no vcl window has focus.
+
+       We want to grab focus to this vcl widget so that pressing tab will traverse
+       to the next vcl widget.
+
+       But just using GrabFocus will, because no vcl widget has focus, trigger
+       bringing the toplevel to front with the expectation that a suitable widget
+       will be picked for focus when that happen, which is no use to us here.
+
+       SetFakeFocus avoids the problem, allowing GrabFocus to do the expected thing
+       then sending the Tab to our parent will do the right traversal
+    */
+    SetFakeFocus(true);
+    GrabFocus();
+
+    /* now give focus to our toolbox parent */
+    vcl::Window* pToolBox = GetParent();
+    pToolBox->GrabFocus();
+
+    /* let toolbox know this item window has focus so it updates its mnHighItemId to point
+       to this toolitem in case tab means to move to another toolitem within
+       the toolbox
+    */
+    NotifyEvent aNEvt(MouseNotifyEvent::GETFOCUS, this);
+    pToolBox->EventNotify(aNEvt);
+
+    /* send parent the tab */
+    pToolBox->KeyInput(rKEvt);
+
+    return true;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */