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try a different approach to dragging

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This commit is contained in:
Marco Martin 2019-08-15 13:19:16 +02:00
parent 3bff5cea4b
commit 7ff227a13f
6 changed files with 113 additions and 43 deletions
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1
containments/homescreen2/CMakeLists.txt
View file

@ -11,6 +11,7 @@ target_link_libraries(plasma_containment_phone_homescreen2
Qt5::Gui
KF5::Plasma
Qt5::Qml
Qt5::Quick
KF5::I18n
KF5::Service
KF5::KIOWidgets

11
containments/homescreen2/homescreen.cpp
View file

@ -22,6 +22,7 @@
#include <QtQml>
#include <QDebug>
#include <QQuickItem>
HomeScreen::HomeScreen(QObject *parent, const QVariantList &args)
: Plasma::Containment(parent, args)
@ -39,6 +40,16 @@ ApplicationListModel *HomeScreen::applicationListModel()
return m_applicationListModel;
}
void HomeScreen::orderItems(QQuickItem *item1, QQuickItem *item2)
{
if (!item1 || !item2 || item1->parentItem() != item2->parentItem()) {
return;
}
item1->stackBefore(item2);
}
K_EXPORT_PLASMA_APPLET_WITH_JSON(homescreen, HomeScreen, "metadata.json")
#include "homescreen.moc"

3
containments/homescreen2/homescreen.h
View file

@ -24,6 +24,7 @@
#include <Plasma/Containment>
class QQuickItem;
class ApplicationListModel;
class HomeScreen : public Plasma::Containment
@ -37,6 +38,8 @@ public:
ApplicationListModel *applicationListModel();
Q_INVOKABLE void orderItems(QQuickItem *item1, QQuickItem *item2);
private:
ApplicationListModel *m_applicationListModel;

38
containments/homescreen2/package/contents/ui/launcher/Delegate.qml
View file

@ -33,8 +33,9 @@ ContainmentLayoutManager.ItemContainer {
z: dragging ? 1 : 0
property var modelData: typeof model !== "undefined" ? model : null
property bool dragging
property ContainmentLayoutManager.ItemContainer dragDelegate
property ContainmentLayoutManager.ItemContainer beforeItem
property Item container
property ContainmentLayoutManager.ItemContainer before
leftPadding: units.smallSpacing * 2
topPadding: units.smallSpacing * 2
@ -46,29 +47,29 @@ ContainmentLayoutManager.ItemContainer {
editModeCondition: ContainmentLayoutManager.ItemContainer.AfterPressAndHold//model.ApplicationOnDesktopRole ? ContainmentLayoutManager.ItemContainer.AfterPressAndHold: ContainmentLayoutManager.ItemContainer.Manual
onEditModeChanged: {//FIXME: remove
plasmoid.editMode = editMode
if (!editMode) {
root.forceLayout();
}
}
onDragActiveChanged: {
if (dragActive) {
if (container) {
container.showSpacerBefore(delegate);
}
return;
}
plasmoid.editMode = false;
editMode = false;
launcher.forceLayout();
favoriteStrip.forceLayout();
if (container) {
container.forceLayout();
container.hideSpacer();
}
}
onDraggingChanged: {
if (dragging) {
var pos = dragDelegate.parent.mapFromItem(delegate, 0, 0);
dragDelegate.parent = delegate.parent.parent;
dragDelegate.x = delegate.x
dragDelegate.y = delegate.y
dragDelegate.modelData = model;
root.reorderingApps = true;
} else {
dragDelegate.modelData = null;
root.reorderingApps = false;
onParentChanged: {
if (container) {
plasmoid.nativeInterface.orderItems(delegate, before);
}
}
@ -80,6 +81,7 @@ ContainmentLayoutManager.ItemContainer {
if (favoriteStrip.contains(favoriteStrip.mapFromItem(delegate, dragCenter.x, dragCenter.y))) {
var pos = favoriteStrip.mapFromItem(delegate, 0, 0);
newRow = Math.floor((pos.x + dragCenter.x) / delegate.width);
before = favoriteStrip.flow.childAt(delegate.x + dragCenter.x, delegate.y + dragCenter.y);
// Put it on desktop
} else if (appletsLayout.contains(appletsLayout.mapFromItem(delegate, dragCenter.x, dragCenter.y))) {
@ -87,17 +89,23 @@ ContainmentLayoutManager.ItemContainer {
plasmoid.nativeInterface.applicationListModel.setDesktopItem(index, true);
delegate.x = pos.x
delegate.y = pos.y
before = null;
return;
// Put it in the general view
} else {
newRow = Math.round(applicationsFlow.width / delegate.width) * Math.floor((delegate.y + dragCenter.y) / delegate.height) + Math.floor((delegate.x + dragCenter.x) / delegate.width) + favoriteStrip.count;
before = applicationsFlow.childAt(delegate.x + dragCenter.x, delegate.y + dragCenter.y);
}
plasmoid.nativeInterface.applicationListModel.setDesktopItem(index, false);
plasmoid.nativeInterface.applicationListModel.moveItem(modelData.index, newRow);
if (container) {
container.showSpacerBefore(before);
}
//delegate.x = newPosition.x;
}

45
containments/homescreen2/package/contents/ui/launcher/FavoriteStrip.qml
View file

@ -29,12 +29,23 @@ import org.kde.kquickcontrolsaddons 2.0
Controls.Control {
id: root
property alias flow: applicationsFlow
property Controls.Control launcherGrid
readonly property int count: applicationsFlow.width / launcherGrid.cellWidth
function forceLayout() {
applicationsFlow.forceLayout();
}
property Controls.Control launcherGrid
readonly property int count: applicationsFlow.width / launcherGrid.cellWidth
function showSpacerBefore(item) {
spacer.parent = applicationsFlow
plasmoid.nativeInterface.orderItems(spacer, item);
}
function hideSpacer() {
spacer.parent = flowParent;
}
implicitHeight: applicationsFlow.implicitHeight + frame.margins.top + frame.margins.bottom
@ -49,16 +60,30 @@ Controls.Control {
anchors.fill: parent
}
contentItem: Flow {
id: applicationsFlow
contentItem: Item {
id: flowParent
spacing: 0
implicitWidth: applicationsFlow.implicitWidth
implicitHeight: applicationsFlow.implicitHeight
move: Transition {
NumberAnimation {
duration: units.longDuration
easing.type: Easing.InOutQuad
properties: "x,y"
Item {
id: spacer
width: units.gridUnit * 4
height: width
}
Flow {
id: applicationsFlow
anchors.fill: parent
spacing: 0
move: Transition {
NumberAnimation {
duration: units.longDuration
easing.type: Easing.InOutQuad
properties: "x,y"
}
}
}
}

58
containments/homescreen2/package/contents/ui/launcher/LauncherGrid.qml
View file

@ -30,9 +30,8 @@ import org.kde.plasma.private.containmentlayoutmanager 1.0 as ContainmentLayoutM
Controls.Control {
id: root
function forceLayout() {
applicationsFlow.forceLayout();
}
property alias flow: applicationsFlow
readonly property bool dragging: applicationsFlow.dragData
property bool reorderingApps: false
@ -49,6 +48,19 @@ Controls.Control {
signal externalDragStarted
signal dragPositionChanged(point pos)
function forceLayout() {
applicationsFlow.forceLayout();
}
function showSpacerBefore(item) {
spacer.parent = applicationsFlow
plasmoid.nativeInterface.orderItems(spacer, item);
}
function hideSpacer() {
spacer.parent = flowParent;
}
implicitHeight: applicationsFlow.implicitHeight + frame.margins.top + frame.margins.bottom
leftPadding: frame.margins.left
@ -63,6 +75,7 @@ Controls.Control {
}
contentItem: Item {
id: flowParent
//NOTE: TextMetrics can't handle multi line
Controls.Label {
id: metrics
@ -70,19 +83,12 @@ Controls.Control {
visible: false
}
//This Delegate is the placeholder for the "drag"
//delegate (that is not actual drag and drop
Delegate {
id: dragDelegateItem
z: 999
width: root.cellWidth
height: root.cellHeight
onYChanged: dragPositionChanged(Qt.point(x, y))
opacity: 1
visible: modelData !== null
Item {
id: spacer
width: units.gridUnit * 4
height: width
visible:parent == applicationsFlow
}
Flow {
id: applicationsFlow
anchors.fill: parent
@ -114,15 +120,31 @@ Controls.Control {
delegate: Delegate {
width: root.cellWidth
height: root.cellHeight
dragDelegate: dragDelegateItem
container: {
if (model.ApplicationOnDesktopRole) {
return null;
}
if (index < favoriteStrip.count) {
return favoriteStrip;
}
return root;
}
parent: {
if (model.ApplicationOnDesktopRole) {
return appletsLayout;
}
if (index < favoriteStrip.count) {
return favoriteStrip.contentItem;
if (editMode) {
return favoriteStrip.contentItem;
} else {
return favoriteStrip.flow;
}
}
if (editMode) {
return flowParent;
} else {
return applicationsFlow;
}
return applicationsFlow;
}
}
}