diff options
Diffstat (limited to 'src/controls/Private/ColumnMenuContent.qml')
| -rw-r--r-- | src/controls/Private/ColumnMenuContent.qml | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/src/controls/Private/ColumnMenuContent.qml b/src/controls/Private/ColumnMenuContent.qml new file mode 100644 index 00000000..505756d1 --- /dev/null +++ b/src/controls/Private/ColumnMenuContent.qml @@ -0,0 +1,160 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the Qt Quick Controls module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 2.1 +import QtQuick.Controls 1.1 + +Item { + id: content + + property Component menuItemDelegate + property Component scrollerStyle + property var itemsModel + property int minWidth: 100 + property real maxHeight: 800 + property int margin: 1 + + signal triggered(var item) + + function menuItemAt(index) { + list.currentIndex = index + return list.currentItem + } + + width: Math.max(list.contentWidth, minWidth) + height: Math.min(list.contentHeight, fittedMaxHeight) + 2 * margin + + readonly property int currentIndex: root.__currentIndex + property Item currentItem: null + readonly property int itemHeight: list.count > 0 ? list.contentItem.children[0].height : 23 + readonly property int fittingItems: Math.floor((maxHeight - downScroller.height) / itemHeight) + readonly property real fittedMaxHeight: itemHeight * fittingItems + downScroller.height + readonly property bool shouldUseScrollers: scrollView.__style.useScrollers && itemsModel.length > fittingItems + readonly property real upScrollerHeight: upScroller.visible ? upScroller.height : 0 + readonly property real downScrollerHeight: downScroller.visible ? downScroller.height : 0 + + function updateCurrentItem(mouse) { + var pos = mapToItem(list.contentItem, mouse.x, mouse.y) + if (!currentItem || !currentItem.contains(Qt.point(pos.x - currentItem.x, pos.y - currentItem.y))) { + if (currentItem && !hoverArea.pressed && currentItem.isSubmenu) + currentItem.closeSubMenu() + currentItem = list.itemAt(pos.x, pos.y) + if (currentItem) { + root.__currentIndex = currentItem.menuItemIndex + if (currentItem.isSubmenu && !currentItem.menuItem.__popupVisible) + currentItem.showSubMenu(false) + } else { + root.__currentIndex = -1 + } + } + } + + MouseArea { + id: hoverArea + anchors.left: scrollView.left + width: scrollView.width - scrollView.__verticalScrollBar.width + height: parent.height + + hoverEnabled: true + acceptedButtons: Qt.AllButtons + + onPositionChanged: updateCurrentItem(mouse) + onReleased: content.triggered(currentItem) + onExited: { + if (currentItem && !currentItem.menuItem.__popupVisible) { + currentItem = null + root.__currentIndex = -1 + } + } + + MenuContentScroller { + id: upScroller + direction: "up" + visible: shouldUseScrollers && !list.atYBeginning + x: margin + function scrollABit() { list.contentY -= itemHeight } + } + + MenuContentScroller { + id: downScroller + direction: "down" + visible: shouldUseScrollers && !list.atYEnd + x: margin + function scrollABit() { list.contentY += itemHeight } + } + } + + ScrollView { + id: scrollView + anchors { + fill: parent + topMargin: content.margin + upScrollerHeight + bottomMargin: downScrollerHeight - content.margin - 1 + rightMargin: -1 + } + + style: scrollerStyle + __wheelAreaScrollSpeed: itemHeight + + ListView { + id: list + model: itemsModel + delegate: menuItemDelegate + snapMode: ListView.SnapToItem + boundsBehavior: Flickable.StopAtBounds + highlightFollowsCurrentItem: true + highlightMoveDuration: 0 + } + } + + Timer { + interval: 1 + running: true + repeat: false + onTriggered: list.positionViewAtIndex(currentIndex, scrollView.__style.useScrollers + ? ListView.Center : ListView.Beginning) + } + + Binding { + target: scrollView.__verticalScrollBar + property: "singleStep" + value: itemHeight + } +} |