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Diffstat (limited to 'src/qtdesktop/private/ScrollAreaHelper.qml')
-rw-r--r-- | src/qtdesktop/private/ScrollAreaHelper.qml | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/src/qtdesktop/private/ScrollAreaHelper.qml b/src/qtdesktop/private/ScrollAreaHelper.qml new file mode 100644 index 00000000..e99b3276 --- /dev/null +++ b/src/qtdesktop/private/ScrollAreaHelper.qml @@ -0,0 +1,123 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the Qt Components project. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names +** of its contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +import QtQuick 2.0 +import QtDesktop 1.0 + +WheelArea { + id: wheelarea + + property alias horizontalScrollBar: hscrollbar + property alias verticalScrollBar: vscrollbar + property int macOffset: styleitem.style == "mac" ? 1 : 0 + property bool blockUpdates: false + property int availableHeight : height - (hscrollbar.visible ? hscrollbar.height : 0) + property int availableWidth: width - vscrollbar.width + + anchors.fill: parent + anchors.margins: frameWidth + horizontalMinimumValue: hscrollbar.minimumValue + horizontalMaximumValue: hscrollbar.maximumValue + verticalMinimumValue: vscrollbar.minimumValue + verticalMaximumValue: vscrollbar.maximumValue + + onVerticalValueChanged: { + if (!blockUpdates) + verticalScrollBar.value = verticalValue + } + + onHorizontalValueChanged: { + if (!blockUpdates) + horizontalScrollBar.value = horizontalValue + } + + StyleItem { + // This is the filled corner between scrollbars + id: cornerFill + elementType: "scrollareacorner" + width: vscrollbar.width + anchors.right: parent.right + height: hscrollbar.height + anchors.bottom: parent.bottom + visible: hscrollbar.visible && vscrollbar.visible + } + + ScrollBar { + id: hscrollbar + orientation: Qt.Horizontal + visible: contentWidth > availableWidth + maximumValue: contentWidth > availableWidth ? root.contentWidth - availableWidth : 0 + minimumValue: 0 + anchors.bottom: parent.bottom + anchors.leftMargin: parent.macOffset + anchors.bottomMargin: -parent.macOffset + anchors.left: parent.left + anchors.right: parent.right + anchors.rightMargin: vscrollbar.visible ? vscrollbar.width -parent.macOffset: 0 + onValueChanged: { + if (!blockUpdates) { + contentX = value + horizontalValue = value + } + } + } + + ScrollBar { + id: vscrollbar + orientation: Qt.Vertical + // We cannot bind directly to tree.height due to binding loops so we have to redo the calculation here + // visible: contentHeight > availableHeight + maximumValue: contentHeight > availableHeight ? root.contentHeight - availableHeight : 0 + minimumValue: 0 + anchors.right: parent.right + anchors.top: parent.top + anchors.bottom: parent.bottom + anchors.topMargin: 1//parent.macOffset + anchors.rightMargin: -parent.macOffset + anchors.bottomMargin: hscrollbar.visible ? hscrollbar.height - parent.macOffset : 0 + + onValueChanged: { + if (!blockUpdates) { + contentY = value + verticalValue = value + } + } + } +} |