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Code Packages Releases Activity

de-dupe scrollview

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This commit is contained in:
bbedward
2025-07-27 20:56:09 -04:00
parent fae7f36a24
commit 77051d0d62
9 changed files with 333 additions and 122 deletions
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105
Modules/ProcessList/ProcessListView.qml
View File

@@ -45,7 +45,11 @@ Column {
anchors.fill: parent
hoverEnabled: true
cursorShape: Qt.PointingHandCursor
onClicked: SysMonitorService.setSortBy("name")
onClicked: {
processListView.captureAnchor();
SysMonitorService.setSortBy("name");
processListView.restoreAnchor();
}
}
Behavior on color {
@@ -76,7 +80,11 @@ Column {
anchors.fill: parent
hoverEnabled: true
cursorShape: Qt.PointingHandCursor
onClicked: SysMonitorService.setSortBy("cpu")
onClicked: {
processListView.captureAnchor();
SysMonitorService.setSortBy("cpu");
processListView.restoreAnchor();
}
}
Behavior on color {
@@ -107,7 +115,11 @@ Column {
anchors.fill: parent
hoverEnabled: true
cursorShape: Qt.PointingHandCursor
onClicked: SysMonitorService.setSortBy("memory")
onClicked: {
processListView.captureAnchor();
SysMonitorService.setSortBy("memory");
processListView.restoreAnchor();
}
}
Behavior on color {
@@ -139,7 +151,11 @@ Column {
anchors.fill: parent
hoverEnabled: true
cursorShape: Qt.PointingHandCursor
onClicked: SysMonitorService.setSortBy("pid")
onClicked: {
processListView.captureAnchor();
SysMonitorService.setSortBy("pid");
processListView.restoreAnchor();
}
}
Behavior on color {
@@ -169,7 +185,11 @@ Column {
anchors.fill: parent
hoverEnabled: true
cursorShape: Qt.PointingHandCursor
onClicked: SysMonitorService.toggleSortOrder()
onClicked: {
processListView.captureAnchor();
SysMonitorService.toggleSortOrder();
processListView.restoreAnchor();
}
}
Behavior on color {
@@ -183,23 +203,74 @@ Column {
}
ScrollView {
ListView {
id: processListView
width: parent.width
height: parent.height - 24 // Subtract header height
height: parent.height - columnHeaders.height
clip: true
ScrollBar.vertical.policy: ScrollBar.AsNeeded
ScrollBar.horizontal.policy: ScrollBar.AlwaysOff
spacing: 4
model: SysMonitorService.processes
ListView {
id: processListView
delegate: ProcessListItem {
process: modelData
contextMenu: root.contextMenu
}
anchors.fill: parent
model: SysMonitorService.processes
spacing: 4
ScrollBar.vertical: ScrollBar { policy: ScrollBar.AsNeeded }
ScrollBar.horizontal: ScrollBar { policy: ScrollBar.AlwaysOff }
delegate: ProcessListItem {
process: modelData
contextMenu: root.contextMenu
property real wheelMultiplier: 1.8
property int wheelBaseStep: 160
WheelHandler {
target: null
onWheel: (ev) => {
let dy = ev.pixelDelta.y !== 0
? ev.pixelDelta.y
: (ev.angleDelta.y / 120) * processListView.wheelBaseStep;
if (ev.inverted) dy = -dy;
const maxY = Math.max(0, processListView.contentHeight - processListView.height);
processListView.contentY = Math.max(0, Math.min(maxY,
processListView.contentY - dy * processListView.wheelMultiplier));
ev.accepted = true;
}
}
property string keyRoleName: "pid"
property var _anchorKey: undefined
property real _anchorOffset: 0
function captureAnchor() {
const y = contentY + 1;
const idx = indexAt(0, y);
if (idx < 0 || !model || idx >= model.length) return;
_anchorKey = model[idx][keyRoleName];
const it = itemAtIndex(idx);
_anchorOffset = it ? (y - it.y) : 0;
}
function restoreAnchor() {
Qt.callLater(function() {
if (_anchorKey === undefined || !model) return;
var i = -1;
for (var j = 0; j < model.length; ++j) {
if (model[j][keyRoleName] === _anchorKey) { i = j; break; }
}
if (i < 0) return;
positionViewAtIndex(i, ListView.Beginning);
const maxY = Math.max(0, contentHeight - height);
contentY = Math.max(0, Math.min(maxY, contentY + _anchorOffset - 1));
});
}
onModelChanged: {
if (model && model.length > 0) {
restoreAnchor();
}
}
}