tdf#125170 Deliver mouse events also when clicking into document content

Event listeners are added once VCLXWindow::SetWindow is called.
This never happened for the document content window.
So we need to call Window::GetComponentInterface which will create an XWindowPeer
and then call UnoWrapper::SetWindowInterface which calls VCLXWindow::SetWindow.

After that, event listeners are registered so that we can deliver events.

Change-Id: I2ed01f1ab20d87fedc4803bdbd96f5ef14d40043
Reviewed-on: https://gerrit.libreoffice.org/71948
Tested-by: Jenkins
Reviewed-by: Samuel Mehrbrodt <Samuel.Mehrbrodt@cib.de>
diff --git a/forms/qa/unoapi/forms_2.sce b/forms/qa/unoapi/forms_2.sce
index 30f4b24..c12d87f 100644
--- a/forms/qa/unoapi/forms_2.sce
+++ b/forms/qa/unoapi/forms_2.sce
@@ -15,7 +15,7 @@
#   except in compliance with the License. You may obtain a copy of
#   the License at http://www.apache.org/licenses/LICENSE-2.0 .
#
-o forms.ODateModel
# Flaky since tdf#125170 -o forms.ODateModel
-o forms.OEditControl
-o forms.OEditModel
#i109939 -o forms.OFileControlModel
diff --git a/sw/qa/uitest/writer_tests5/xwindow.py b/sw/qa/uitest/writer_tests5/xwindow.py
index 7b96b53..bdfbfecf 100644
--- a/sw/qa/uitest/writer_tests5/xwindow.py
+++ b/sw/qa/uitest/writer_tests5/xwindow.py
@@ -10,6 +10,7 @@ import unohelper
from org.libreoffice.unotest import UnoInProcess
from com.sun.star.awt import XMouseListener
from com.sun.star.awt import XToolkitRobot
from com.sun.star.awt import MouseButton
from com.sun.star.awt import MouseEvent
from com.sun.star.awt import KeyEvent
from com.sun.star.awt import XKeyListener
@@ -96,21 +97,35 @@ class XWindow(UITestCase):
        # create dummy mouse event
        xMouseEvent = MouseEvent()
        xMouseEvent.Modifiers = 0
        xMouseEvent.Buttons = 0
        xMouseEvent.Buttons = MouseButton.LEFT
        xMouseEvent.X = 10
        xMouseEvent.Y = 10
        xMouseEvent.ClickCount = 1
        xMouseEvent.PopupTrigger = False
        xMouseEvent.Source = xWindow

        xMouseEvent2 = MouseEvent()
        xMouseEvent2.Modifiers = 0
        xMouseEvent2.Buttons = MouseButton.LEFT
        xMouseEvent2.X = 300
        xMouseEvent2.Y = 300
        xMouseEvent2.ClickCount = 1
        xMouseEvent2.PopupTrigger = False
        xMouseEvent2.Source = xWindow

        # send mouse event
        xToolkitRobot = xWindow.getToolkit()
        self.assertIsNotNone(xToolkitRobot)

        xToolkitRobot.mousePress(xMouseEvent)
        # Click in the menubar/toolbar area
        xToolkitRobot.mouseMove(xMouseEvent)
        xToolkitRobot.mousePress(xMouseEvent)
        xToolkitRobot.mouseRelease(xMouseEvent)

        # Click into the document content
        xToolkitRobot.mousePress(xMouseEvent2)
        xToolkitRobot.mouseRelease(xMouseEvent2)

        # send key press event
        xKeyEvent = KeyEvent()
        xKeyEvent.Modifiers = 0
@@ -139,8 +154,8 @@ class XWindow(UITestCase):
        self.assertEqual(0, keymouseEventsIntercepted)

        global mouseEventsIntercepted
        # mousePressed, mouseReleased and mouseEntered should be triggered
        self.assertEqual(3, mouseEventsIntercepted)
        # mousePressed (2x), mouseReleased (2x) and mouseEntered (1x) should be triggered
        self.assertEqual(5, mouseEventsIntercepted)

        # close document
        self.ui_test.close_doc()
diff --git a/vcl/source/window/event.cxx b/vcl/source/window/event.cxx
index 399dddd..b786552 100644
--- a/vcl/source/window/event.cxx
+++ b/vcl/source/window/event.cxx
@@ -31,6 +31,7 @@
#include <com/sun/star/awt/MouseEvent.hpp>
#include <com/sun/star/awt/KeyModifier.hpp>
#include <com/sun/star/awt/MouseButton.hpp>
#include <com/sun/star/awt/XWindow.hpp>
#include <comphelper/scopeguard.hxx>

namespace vcl {
@@ -214,6 +215,11 @@ void Window::CallEventListeners( VclEventId nEvent, void* pData )
    if ( xWindow->IsDisposed() )
        return;

    // If maEventListeners is empty, the XVCLWindow has not yet been initialized.
    // Calling GetComponentInterface will do that.
    if (mpWindowImpl->maEventListeners.empty())
        xWindow->GetComponentInterface();

    if (!mpWindowImpl->maEventListeners.empty())
    {
        // Copy the list, because this can be destroyed when calling a Link...