b50652c805
support themes without scrollbar arrows
268 lines
8.9 KiB
QML
268 lines
8.9 KiB
QML
/*
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* Copyright (C) 2011 by Daker Fernandes Pinheiro <dakerfp@gmail.com>
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* Copyright (C) 2011 Marco Martin <mart@kde.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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import QtQuick 1.1
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import org.kde.plasma.core 0.1 as PlasmaCore
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PlasmaCore.FrameSvgItem {
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id: background
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anchors.fill: parent
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imagePath:"widgets/scrollbar"
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prefix: internalLoader.isVertical ? "background-vertical" : "background-horizontal"
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property int implicitWidth: scrollbarSvg.hasElement("hint-scrollbar-size") ? scrollbarSvg.elementSize("hint-scrollbar-size").width : 12
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property int implicitHeight: scrollbarSvg.hasElement("hint-scrollbar-size") ? scrollbarSvg.elementSize("hint-scrollbar-size").height : 12
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Keys.onUpPressed: {
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if (!enabled || !internalLoader.isVertical)
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return;
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if (inverted)
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internalLoader.incrementValue(stepSize);
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else
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internalLoader.incrementValue(-stepSize);
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}
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Keys.onDownPressed: {
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if (!enabled || !internalLoader.isVertical)
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return;
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if (inverted)
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internalLoader.incrementValue(-stepSize);
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else
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internalLoader.incrementValue(stepSize);
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}
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Keys.onLeftPressed: {
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if (!enabled || internalLoader.isVertical)
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return;
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if (inverted)
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internalLoader.incrementValue(stepSize);
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else
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internalLoader.incrementValue(-stepSize);
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}
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Keys.onRightPressed: {
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if (!enabled || internalLoader.isVertical)
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return;
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if (inverted)
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internalLoader.incrementValue(-stepSize);
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else
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internalLoader.incrementValue(stepSize);
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}
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property Item handle: handle
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property Item contents: contents
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Item {
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id: contents
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anchors {
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fill: parent
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leftMargin: (!internalLoader.isVertical && leftButton.visible) ? leftButton.width : 0
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rightMargin: (!internalLoader.isVertical && rightButton.visible) ? rightButton.width : 0
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topMargin: (internalLoader.isVertical && leftButton.visible) ? leftButton.height : 0
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bottomMargin: (internalLoader.isVertical && rightButton.visible) ? rightButton.height : 0
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}
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PlasmaCore.FrameSvgItem {
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id: handle
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imagePath:"widgets/scrollbar"
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prefix: {
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if (mouseArea.pressed) {
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return "sunken-slider"
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}
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if (scrollbar.activeFocus || mouseArea.containsMouse) {
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return "mouseover-slider"
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} else {
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return "slider"
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}
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}
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property int length: internalLoader.isVertical? flickableItem.visibleArea.heightRatio * parent.height : flickableItem.visibleArea.widthRatio * parent.width
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width: internalLoader.isVertical ? parent.width : length
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height: internalLoader.isVertical ? length : parent.height
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}
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}
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PlasmaCore.Svg {
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id: scrollbarSvg
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imagePath: "widgets/scrollbar"
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property bool arrowPresent: scrollbarSvg.hasElement("arrow-up")
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//new theme may be different
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onRepaintNeeded: arrowPresent = scrollbarSvg.hasElement("arrow-up")
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}
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PlasmaCore.SvgItem {
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id: leftButton
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visible: stepSize > 0 && scrollbarSvg.arrowPresent
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anchors {
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left: internalLoader.isVertical ? undefined : parent.left
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verticalCenter: internalLoader.isVertical ? undefined : parent.verticalCenter
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top: internalLoader.isVertical ? parent.top : undefined
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horizontalCenter: internalLoader.isVertical ? parent.horizontalCenter : undefined
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}
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width: 18
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height: 18
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svg: scrollbarSvg
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elementId: {
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if (leftMouseArea.pressed) {
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return internalLoader.isVertical ? "sunken-arrow-up" : "sunken-arrow-left"
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}
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if (scrollbar.activeFocus || leftMouseArea.containsMouse) {
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return internalLoader.isVertical ? "mouseover-arrow-up" : "mouseover-arrow-left"
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} else {
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return internalLoader.isVertical ? "arrow-up" : "arrow-left"
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}
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}
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MouseArea {
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id: leftMouseArea
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anchors.fill: parent
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enabled: scrollbar.enabled
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hoverEnabled: true
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Timer {
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id: leftTimer
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interval: scrollbar.scrollButtonInterval;
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running: parent.pressed
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repeat: true
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triggeredOnStart: true
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onTriggered: {
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background.forceActiveFocus()
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if (inverted) {
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internalLoader.incrementValue(stepSize);
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} else {
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internalLoader.incrementValue(-stepSize);
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}
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}
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}
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}
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}
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PlasmaCore.SvgItem {
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id: rightButton
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visible: leftButton.visible
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anchors {
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right: internalLoader.isVertical ? undefined : parent.right
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verticalCenter: internalLoader.isVertical ? undefined : parent.verticalCenter
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bottom: internalLoader.isVertical ? parent.bottom : undefined
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horizontalCenter: internalLoader.isVertical ? parent.horizontalCenter : undefined
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}
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width: 18
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height: 18
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svg: scrollbarSvg
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elementId: {
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if (rightMouseArea.pressed) {
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return internalLoader.isVertical ? "sunken-arrow-down" : "sunken-arrow-right"
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}
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if (scrollbar.activeFocus || rightMouseArea.containsMouse) {
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return internalLoader.isVertical ? "mouseover-arrow-down" : "mouseover-arrow-right"
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} else {
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return internalLoader.isVertical ? "arrow-down" : "arrow-right"
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}
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}
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MouseArea {
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id: rightMouseArea
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anchors.fill: parent
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enabled: scrollbar.enabled
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hoverEnabled: true
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Timer {
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id: rightTimer
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interval: scrollbar.scrollButtonInterval;
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running: parent.pressed;
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repeat: true
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triggeredOnStart: true
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onTriggered: {
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background.forceActiveFocus();
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if (inverted)
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internalLoader.incrementValue(-stepSize);
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else
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internalLoader.incrementValue(stepSize);
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}
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}
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}
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}
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property MouseArea mouseArea: mouseArea
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MouseArea {
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id: mouseArea
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anchors.fill: contents
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enabled: scrollbar.enabled
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hoverEnabled: true
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drag {
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target: handle
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axis: internalLoader.isVertical ? Drag.YAxis : Drag.XAxis
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minimumX: range.positionAtMinimum
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maximumX: range.positionAtMaximum
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minimumY: range.positionAtMinimum
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maximumY: range.positionAtMaximum
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}
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onPressed: {
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if (internalLoader.isVertical) {
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// Clamp the value
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var newY = Math.max(mouse.y, drag.minimumY);
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newY = Math.min(newY, drag.maximumY);
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// Debounce the press: a press event inside the handler will not
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// change its position, the user needs to drag it.
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if (newY > handle.y + handle.height) {
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handle.y = mouse.y - handle.height
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} else if (newY < handle.y) {
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handle.y = mouse.y
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}
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} else {
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// Clamp the value
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var newX = Math.max(mouse.x, drag.minimumX);
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newX = Math.min(newX, drag.maximumX);
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// Debounce the press: a press event inside the handler will not
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// change its position, the user needs to drag it.
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if (newX > handle.x + handle.width) {
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handle.x = mouse.x - handle.width
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} else if (newX < handle.x) {
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handle.x = mouse.x
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}
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}
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background.forceActiveFocus();
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}
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Component.onCompleted: {
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acceptedButtons |= Qt.MiddleButton
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}
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}
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}
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