Implement simple scroll state handling
1 files changed, 46 insertions, 1 deletions
diff --git a/resources/qml/TimelineView.qml b/resources/qml/TimelineView.qml
index 4f10f352..e1aa2738 100644
--- a/resources/qml/TimelineView.qml
+++ b/resources/qml/TimelineView.qml
@@ -2,6 +2,7 @@ import QtQuick 2.6
import QtQuick.Controls 2.5
import QtQuick.Layouts 1.5
import QtGraphicalEffects 1.0
+import QtQuick.Window 2.2
import com.github.nheko 1.0
@@ -28,14 +29,51 @@ Rectangle {
visible: timelineManager.timeline != null
anchors.fill: parent
+ model: timelineManager.timeline
+
+ onModelChanged: {
+ if (model) {
+ currentIndex = model.currentIndex
+ if (model.currentIndex == count - 1) {
+ positionViewAtEnd()
+ } else {
+ positionViewAtIndex(model.currentIndex, ListView.End)
+ }
+ }
+ }
+
ScrollBar.vertical: ScrollBar {
id: scrollbar
anchors.top: parent.top
anchors.right: parent.right
anchors.bottom: parent.bottom
+ onPressedChanged: if (!pressed) chat.updatePosition()
}
- model: timelineManager.timeline
+ property bool atBottom: false
+ onCountChanged: {
+ if (atBottom && Window.active) {
+ var newIndex = count - 1 // last index
+ positionViewAtEnd()
+ currentIndex = newIndex
+ model.currentIndex = newIndex
+ }
+ }
+
+ function updatePosition() {
+ for (var y = chat.contentY + chat.height; y > chat.height; y -= 5) {
+ var i = chat.itemAt(100, y);
+ if (!i) continue;
+ if (!i.isFullyVisible()) continue;
+ chat.model.currentIndex = i.getIndex();
+ chat.currentIndex = i.getIndex()
+ atBottom = i.getIndex() == count - 1;
+ console.log("bottom:" + atBottom)
+ break;
+ }
+ }
+ onMovementEnded: updatePosition()
+
spacing: 4
delegate: RowLayout {
anchors.leftMargin: 52
@@ -43,6 +81,13 @@ Rectangle {
anchors.right: parent.right
anchors.rightMargin: scrollbar.width
+ function isFullyVisible() {
+ return (y - chat.contentY - 1) + height < chat.height
+ }
+ function getIndex() {
+ return index;
+ }
+
Loader {
id: loader
Layout.fillWidth: true
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