split SwScrollbar up for reuse of adaptor

Change-Id: Idf46b209c573316e810371597acb1567536d9529
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/137806
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>

4 files changed, 161 insertions, 0 deletions

diff --git a/svtools/Library_svt.mk b/svtools/Library_svt.mk
index 5c814cfcb7e1..9050425d3dd8 100644
--- a/svtools/Library_svt.mk
+++ b/svtools/Library_svt.mk
@@ -99,6 +99,7 @@ $(eval $(call gb_Library_add_exception_objects,svt,\
     svtools/source/control/inettbc \
     svtools/source/control/ruler \
     svtools/source/control/scriptedtext \
+    svtools/source/control/scrolladaptor \
     svtools/source/control/tabbar \
     svtools/source/control/toolbarmenu \
     svtools/source/control/valueacc \
diff --git a/svtools/UIConfig_svt.mk b/svtools/UIConfig_svt.mk
index 82a494f249ee..04ce14b67658 100644
--- a/svtools/UIConfig_svt.mk
+++ b/svtools/UIConfig_svt.mk
@@ -31,6 +31,7 @@ $(eval $(call gb_UIConfig_add_uifiles,svt,\
 	svtools/uiconfig/ui/printersetupdialog \
 	svtools/uiconfig/ui/querydeletedialog \
 	svtools/uiconfig/ui/restartdialog \
+	svtools/uiconfig/ui/scrollbars \
 	svtools/uiconfig/ui/spinfieldcontrol \
 	svtools/uiconfig/ui/subtoolbar \
 	svtools/uiconfig/ui/tabbuttons \
diff --git a/svtools/source/control/scrolladaptor.cxx b/svtools/source/control/scrolladaptor.cxx
new file mode 100644
index 000000000000..ebf9d9dea14a
--- /dev/null
+++ b/svtools/source/control/scrolladaptor.cxx
@@ -0,0 +1,112 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <svtools/scrolladaptor.hxx>
+
+ScrollAdaptor::ScrollAdaptor(vcl::Window* pWin, bool bHoriz)
+    : InterimItemWindow(pWin, "svt/ui/scrollbars.ui", "ScrollBars")
+    , m_xScrollBar(m_xBuilder->weld_scrollbar(bHoriz ? "horizontal" : "vertical"))
+    , m_bHori(bHoriz)
+{
+    m_xScrollBar->show();
+}
+
+void ScrollAdaptor::dispose()
+{
+    m_xScrollBar.reset();
+    InterimItemWindow::dispose();
+}
+
+void ScrollAdaptor::SetRange(const Range& rRange)
+{
+    m_xScrollBar->adjustment_set_lower(rRange.Min());
+    m_xScrollBar->adjustment_set_upper(rRange.Max());
+}
+
+Range ScrollAdaptor::GetRange() const
+{
+    return Range(m_xScrollBar->adjustment_get_lower(), m_xScrollBar->adjustment_get_upper());
+}
+
+void ScrollAdaptor::SetRangeMin(tools::Long nNewRange)
+{
+    m_xScrollBar->adjustment_set_lower(nNewRange);
+}
+
+tools::Long ScrollAdaptor::GetRangeMin() const { return m_xScrollBar->adjustment_get_lower(); }
+
+void ScrollAdaptor::SetRangeMax(tools::Long nNewRange)
+{
+    m_xScrollBar->adjustment_set_upper(nNewRange);
+}
+
+tools::Long ScrollAdaptor::GetRangeMax() const { return m_xScrollBar->adjustment_get_upper(); }
+
+void ScrollAdaptor::SetLineSize(tools::Long nNewSize)
+{
+    m_xScrollBar->adjustment_set_step_increment(nNewSize);
+}
+
+tools::Long ScrollAdaptor::GetLineSize() const
+{
+    return m_xScrollBar->adjustment_get_step_increment();
+}
+
+void ScrollAdaptor::SetPageSize(tools::Long nNewSize)
+{
+    m_xScrollBar->adjustment_set_page_increment(nNewSize);
+}
+
+tools::Long ScrollAdaptor::GetPageSize() const
+{
+    return m_xScrollBar->adjustment_get_page_increment();
+}
+
+void ScrollAdaptor::SetVisibleSize(tools::Long nNewSize)
+{
+    m_xScrollBar->adjustment_set_page_size(nNewSize);
+}
+
+tools::Long ScrollAdaptor::GetVisibleSize() const
+{
+    return m_xScrollBar->adjustment_get_page_size();
+}
+
+void ScrollAdaptor::SetThumbPos(tools::Long nThumbPos)
+{
+    m_xScrollBar->adjustment_set_value(nThumbPos);
+}
+
+tools::Long ScrollAdaptor::GetThumbPos() const { return m_xScrollBar->adjustment_get_value(); }
+
+void ScrollAdaptor::SetScrollHdl(const Link<weld::Scrollbar&, void>& rLink)
+{
+    m_aLink = rLink;
+    m_xScrollBar->connect_adjustment_changed(rLink);
+}
+
+tools::Long ScrollAdaptor::DoScroll(tools::Long nNewPos)
+{
+    const auto nOrig = m_xScrollBar->adjustment_get_value();
+    m_xScrollBar->adjustment_set_value(nNewPos);
+    m_aLink.Call(*m_xScrollBar);
+    return m_xScrollBar->adjustment_get_value() - nOrig;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svtools/uiconfig/ui/scrollbars.ui b/svtools/uiconfig/ui/scrollbars.ui
new file mode 100644
index 000000000000..f2c9ac728376
--- /dev/null
+++ b/svtools/uiconfig/ui/scrollbars.ui
@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.38.2 -->
+<interface domain="svt">
+  <requires lib="gtk+" version="3.20"/>
+  <object class="GtkAdjustment" id="adjustment1">
+    <property name="upper">100</property>
+    <property name="step-increment">1</property>
+    <property name="page-increment">10</property>
+  </object>
+  <object class="GtkAdjustment" id="adjustment2">
+    <property name="upper">100</property>
+    <property name="step-increment">1</property>
+    <property name="page-increment">10</property>
+  </object>
+  <object class="GtkBox" id="ScrollBars">
+    <property name="visible">True</property>
+    <property name="can-focus">False</property>
+    <property name="hexpand">True</property>
+    <property name="vexpand">True</property>
+    <property name="orientation">vertical</property>
+    <child>
+      <object class="GtkScrollbar" id="vertical">
+        <property name="can-focus">False</property>
+        <property name="vexpand">True</property>
+        <property name="orientation">vertical</property>
+        <property name="adjustment">adjustment1</property>
+      </object>
+      <packing>
+        <property name="expand">True</property>
+        <property name="fill">True</property>
+        <property name="position">0</property>
+      </packing>
+    </child>
+    <child>
+      <object class="GtkScrollbar" id="horizontal">
+        <property name="can-focus">False</property>
+        <property name="hexpand">True</property>
+        <property name="adjustment">adjustment2</property>
+      </object>
+      <packing>
+        <property name="expand">True</property>
+        <property name="fill">True</property>
+        <property name="position">1</property>
+      </packing>
+    </child>
+  </object>
+</interface>