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// -*- Mode: C++; indent-tabs-mode: nil; tab-width: 2 -*-
/*
* Copyright (C) 2014 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Marco Trevisan <marco.trevisan@canonical.com>
*/
#include "OverlayScrollView.h"
#include "PlacesOverlayVScrollBar.h"
#include "RawPixel.h"
namespace unity
{
namespace dash
{
namespace
{
const RawPixel MOUSE_WHEEL_SCROLL_SIZE = 32_em;
}
ScrollView::ScrollView(NUX_FILE_LINE_DECL)
: nux::ScrollView(NUX_FILE_LINE_PARAM)
{
auto* scrollbar = new PlacesOverlayVScrollBar(NUX_TRACKER_LOCATION);
SetVScrollBar(scrollbar);
scale.SetGetterFunction([scrollbar] { return scrollbar->scale(); });
scale.SetSetterFunction([scrollbar] (double scale) {
if (scrollbar->scale() == scale)
return false;
scrollbar->scale = scale;
return true;
});
m_MouseWheelScrollSize = MOUSE_WHEEL_SCROLL_SIZE.CP(scale);
scale.changed.connect([this] (double scale) {
m_MouseWheelScrollSize = MOUSE_WHEEL_SCROLL_SIZE.CP(scale);
});
page_direction.connect([scrollbar] (ScrollDir dir) {
scrollbar->PerformPageNavigation(dir);
});
}
} // dash namespace
} // unity namespace
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