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ScrollBarVertical.qml
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ScrollBarVertical.qml
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import QtQuick 2.4
import QtQuick.Controls 1.3
import QtQuick.Layouts 1.1
Rectangle {
id: scrollBar
property variant target
clip: true
width: defHeightFontPixel * 0.5
radius: defRadiusButton
smooth: true
anchors.top: target.top
anchors.bottom: target.bottom
anchors.right: target.right
anchors.rightMargin: 0
states: [
State { name: "nothing"; },
State { name: "disabled"; when: (track.height == slider.height || target.width <= slider.width || target.contentHeight <= track.height) }
]
transitions: [
Transition { to: "disabled";
ParallelAnimation {
NumberAnimation { target: scrollBar; property: "opacity"; to: 0; duration: 500; }
PropertyAction { target: scrollBar; property: "visible"; value: false; }
}
},
Transition { to: "*";
PropertyAction { target: scrollBar; property: "visible"; value: true; }
NumberAnimation { target: scrollBar; property: "opacity"; to: 0.6; duration: 500; }
}
]
Timer {
property int scrollAmount
id: timer
repeat: true
interval: 20
onTriggered: {
target.contentY = Math.max(0, Math.min(target.contentY + scrollAmount,
target.contentHeight - target.height));
}
}
Item {
id: track
anchors.top: parent.top
anchors.bottom: parent.bottom;
width: parent.width
MouseArea {
anchors.fill: parent
onPressed: {
timer.scrollAmount = target.height * (mouseY < slider.y ? -1 : 1) // scroll by a page
timer.running = true;
}
onReleased: {
timer.running = false;
}
}
Rectangle {
id:slider
color: defColorButtonFill
smooth: true
width: parent.width
radius: 6
anchors.bottom: (target.visibleArea.yPosition > 1)? parent.bottom: undefined
height: {
if(visible && target.contentHeight > 0 && target.height > 0 && target.visibleArea.yPosition > 0){
if (target.visibleArea.yPosition < 0){ // Oberer Rand
Math.max(30, Math.min(target.height / target.contentHeight * track.height, track.height-y) +target.height * target.visibleArea.yPosition)
}else { // Mittelbereich
Math.min(target.height / target.contentHeight * track.height, track.height-y)
}
}
}
y: Math.max(0,Math.min(track.height-30, target.visibleArea.yPosition * track.height));
MouseArea {
anchors.fill: parent
drag.target: parent
drag.axis: Drag.YAxis
drag.minimumY: 0
drag.maximumY: track.height - height
hoverEnabled: true
onPositionChanged: {
if (pressedButtons == Qt.LeftButton) {
target.contentY = slider.y * target.contentHeight / track.height
}
}
onPressed: {
scrollBar.opacity = 1
}
onEntered: {
scrollBar.opacity = 1
}
onReleased: {
scrollBar.opacity = 0.6
}
onExited: {
if(pressedButtons == Qt.LeftButton)
scrollBar.opacity = 1
else
scrollBar.opacity = 0.6
}
onWheel: {
if(slider.y + slider.height +20 >= track.height){
// flickTextLog.ensureVisible(textLog.cursorRectangle)
console.log("down1")
}
}
}
}
}
}