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Add scrollbar

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This commit is contained in:
David Rowe 2017-03-10 18:25:16 +13:00
parent b539c55c02
commit 9291d272fe
1 changed files with 92 additions and 5 deletions
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97
interface/resources/qml/hifi/dialogs/content/AttachmentsContent.qml
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@ -42,8 +42,13 @@ Item {
ListView {
id: listView
anchors.fill: parent
anchors.margins: 4
anchors {
top: parent.top
left: parent.left
right: scrollBar.left
bottom: parent.bottom
margins: 4
}
clip: true
snapMode: ListView.SnapToItem
@ -81,15 +86,97 @@ Item {
onCountChanged: MyAvatar.setAttachmentsVariant(attachments);
/* */
/*
// DEBUG
highlight: Rectangle { color: "#40ffff00" }
highlightFollowsCurrentItem: true
/* */
*/
onHeightChanged: {
// Keyboard has been raised / lowered.
positionViewAtIndex(currentIndex, ListView.SnapPosition);
positionViewAtIndex(listView.currentIndex, ListView.SnapPosition);
}
onCurrentIndexChanged: {
scrollSlider.y = currentIndex * (scrollBar.height - scrollSlider.height) / (listView.count - 1);
}
onContentYChanged: {
// User may have dragged content up/down.
yScrollTimer.restart();
}
Timer {
id: yScrollTimer
interval: 50
repeat: false
running: false
onTriggered: {
var index = listView.contentY / (scrollBar.height - scrollSlider.height);
index = Math.round(index);
listView.currentIndex = index;
}
}
}
Rectangle {
id: scrollBar
property bool scrolling: listView.contentHeight > listView.height
anchors {
top: parent.top
right: parent.right
bottom: parent.bottom
topMargin: 4
bottomMargin: 4
}
width: scrolling ? 18 : 0
radius: attachmentsBackground.radius
color: hifi.colors.baseGrayShadow
MouseArea {
anchors.fill: parent
onClicked: {
var index = listView.currentIndex;
index = index + (mouse.y <= scrollSlider.y ? -1 : 1);
if (index < 0) {
index = 0;
}
if (index > listView.count - 1) {
index = listView.count - 1;
}
listView.currentIndex = index;
}
}
Rectangle {
id: scrollSlider
anchors {
right: parent.right
rightMargin: 3
}
width: 16
height: (listView.height / listView.contentHeight) * listView.height
radius: width / 2
color: hifi.colors.lightGray
visible: scrollBar.scrolling;
onYChanged: {
var index = y * (listView.count - 1) / (scrollBar.height - scrollSlider.height);
index = Math.round(index);
listView.currentIndex = index;
}
MouseArea {
anchors.fill: parent
drag.target: scrollSlider
drag.axis: Drag.YAxis
drag.minimumY: 0
drag.maximumY: scrollBar.height - scrollSlider.height
}
}
}
}