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/****************************************************************************
**
** Copyright (C) 2019 Luxoft Sweden AB
** Copyright (C) 2018 Pelagicore AG
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Neptune 3 IVI UI.
**
** $QT_BEGIN_LICENSE:GPL-QTAS$
** Commercial License Usage
** Licensees holding valid commercial Qt Automotive Suite licenses may use
** this file in accordance with the commercial license agreement provided
** with the Software or, alternatively, in accordance with the terms
** contained in a written agreement between you and The Qt Company. For
** licensing terms and conditions see https://www.qt.io/terms-conditions.
** For further information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
** SPDX-License-Identifier: GPL-3.0
**
****************************************************************************/
import QtQuick 2.6
import QtQuick.Controls 2.1
import shared.controls 1.0
import shared.utils 1.0
import shared.animations 1.0
import shared.NeptuneWidgetGrid 1.0
import shared.Sizes 1.0
Item {
id: root
readonly property int rowHeight: height / widgetsList.numRows
readonly property int maxWidgetHeight: rowHeight * widgetsList.maxWidgetHeightRows
readonly property int widgetCount: widgetsList.count
readonly property int maxWidgetCount: widgetsList.numRows
readonly property real resizerHandleHeight: Sizes.dp(32)
property real exposedRectTopMargin
property real exposedRectBottomMargin
property Item activeApplicationParent
property bool moveBottomWidgetToDrawer: false
property Item widgetDrawer
property var applicationModel
property string widgetStateWhenMaximized: ""
property int clickedIndexWhenMaximized: -1
QtObject {
id: d
property bool widgetIsBeingDragged: false
}
WidgetListModel {
id: widgetsList
applicationModel: root.applicationModel
}
Item {
id: widgetColumn
anchors.fill: parent
readonly property real swapThreshold: Sizes.dp(32)
function onWidgetMoved(draggedDelegate) {
var draggedWidget = draggedDelegate.widget;
var deltaY = draggedWidget.y - draggedDelegate.y
if (deltaY > 0) {
// if the bottom edge of the widget being dragged comes close enough to the
// bottom edge of some other widget we swap them.
var draggedBottom = draggedWidget.y + draggedWidget.height
var i;
for (i = 0; i < repeater.count; i++) {
if (draggedDelegate.modelIndex === i)
continue;
var otherDelegate = repeater.itemAt(i);
var widgetBottom = otherDelegate.yNormal + otherDelegate.heightNormal;
if (Math.abs(draggedBottom - widgetBottom) <= swapThreshold) {
// swap!
widgetsList.move(draggedDelegate.modelIndex, i, 1);
return;
}
}
} else {
// if the top edge of the widget being dragged comes close enough to the
// top edge of some other widget we swap them.
var i;
for (i = 0; i < repeater.count; i++) {
if (draggedDelegate.modelIndex === i)
continue;
var widgetDelegateY = repeater.itemAt(i).yNormal;
if (Math.abs(draggedWidget.y - widgetDelegateY) < swapThreshold) {
// swap!
widgetsList.move(draggedDelegate.modelIndex, i, 1);
return;
}
}
}
}
property bool resizingWidgets: false
property real startResizeDragY
property int widgetIndexAboveHandle
function onResizeHandlePressed(pos) {
startResizeDragY = pos.y;
var i = 0;
var accumulatedHeight = 0;
while (true) {
var appInfo = widgetsList.application(i);
accumulatedHeight += appInfo.heightRows * rowHeight;
if (accumulatedHeight >= pos.y) {
widgetIndexAboveHandle = i;
break;
} else {
i++;
}
}
// init resize geometry
for (i = 0; i < repeater.count; i++) {
var delegate = repeater.itemAt(i);
delegate.yWhenResizing = delegate.yNormal;
delegate.heightWhenResizing = delegate.heightNormal;
}
resizingWidgets = true;
}
function onResizeHandleDragged(pos) {
var delta = withinBoundsY(pos.y) - startResizeDragY;
delta = computeUsableDragDelta(delta);
// above handle. positive delta enlarges widgets
var i = widgetIndexAboveHandle;
var remainingDelta = delta;
while (remainingDelta !== 0 && i >= 0) {
var delegate = repeater.itemAt(i);
var appInfo = delegate.appInfo;
var minHeight = appInfo.minHeightRows * rowHeight;
var targetHeight = (appInfo.heightRows * rowHeight) + remainingDelta;
if (remainingDelta > 0) {
if (targetHeight <= root.maxWidgetHeight) {
delegate.heightWhenResizing = targetHeight;
remainingDelta = 0;
} else {
delegate.heightWhenResizing = root.maxWidgetHeight;
remainingDelta -= root.maxWidgetHeight - (appInfo.heightRows * rowHeight);
i--;
}
} else {
if (targetHeight >= minHeight) {
delegate.heightWhenResizing = targetHeight;
remainingDelta = 0;
} else {
delegate.heightWhenResizing = minHeight;
remainingDelta -= -((appInfo.heightRows * rowHeight) - minHeight);
i--;
}
}
}
// below handle. positive delta shrinks widgets
i = widgetIndexAboveHandle + 1;
remainingDelta = delta;
while (remainingDelta !== 0 && i < repeater.count) {
var delegate = repeater.itemAt(i);
var appInfo = delegate.appInfo;
var minHeight = appInfo.minHeightRows * rowHeight;
var targetHeight = (appInfo.heightRows * rowHeight) - remainingDelta;
if (remainingDelta < 0) {
if (targetHeight <= root.maxWidgetHeight) {
delegate.heightWhenResizing = targetHeight;
remainingDelta = 0;
} else {
delegate.heightWhenResizing = root.maxWidgetHeight;
remainingDelta -= -(root.maxWidgetHeight - (appInfo.heightRows * rowHeight));
i++;
}
} else {
if (targetHeight >= minHeight) {
delegate.heightWhenResizing = targetHeight;
remainingDelta = 0;
} else {
delegate.heightWhenResizing = minHeight;
remainingDelta -= (appInfo.heightRows * rowHeight) - minHeight;
i++;
}
}
}
// update y values according to the new heights
var accumulatedY = 0;
for (i = 0; i < repeater.count; i++) {
var delegate = repeater.itemAt(i);
delegate.yWhenResizing = accumulatedY;
accumulatedY += delegate.heightWhenResizing
}
}
function onResizeHandleReleased(pos) {
// apply sizes
var i;
for (i = 0; i < repeater.count; i++) {
var delegate = repeater.itemAt(i);
delegate.appInfo.heightRows = Math.round(delegate.heightWhenResizing / root.rowHeight);
}
resizingWidgets = false;
}
function computeUsableDragDelta(delta) {
// above handle. positive delta enlarges widgets
var i = widgetIndexAboveHandle;
var remainingDelta = delta;
var usableDeltaAbove = 0
while (remainingDelta !== 0 && i >= 0) {
var appInfo = widgetsList.application(i);
var minHeight = appInfo.minHeightRows * rowHeight;
var targetHeight = (appInfo.heightRows * rowHeight) + remainingDelta;
if (remainingDelta > 0) {
if (targetHeight <= root.maxWidgetHeight) {
usableDeltaAbove += remainingDelta;
remainingDelta = 0;
} else {
var thisWidgetDelta = root.maxWidgetHeight - (appInfo.heightRows * rowHeight);
usableDeltaAbove += thisWidgetDelta;
remainingDelta -= thisWidgetDelta;
i--;
}
} else {
if (targetHeight >= minHeight) {
usableDeltaAbove += remainingDelta;
remainingDelta = 0;
} else {
var thisWidgetDelta = -((appInfo.heightRows * rowHeight) - minHeight);
usableDeltaAbove += thisWidgetDelta;
remainingDelta -= thisWidgetDelta;
i--;
}
}
}
// below handle. positive delta shrinks widgets
i = widgetIndexAboveHandle + 1;
remainingDelta = usableDeltaAbove;
var usableDelta = 0;
while (remainingDelta !== 0 && i < widgetsList.count) {
var appInfo = widgetsList.application(i);
var minHeight = appInfo.minHeightRows * rowHeight;
var targetHeight = (appInfo.heightRows * rowHeight) - remainingDelta;
if (remainingDelta < 0) {
if (targetHeight <= root.maxWidgetHeight) {
usableDelta += remainingDelta;
remainingDelta = 0;
} else {
var thisWidgetDelta = -(root.maxWidgetHeight - (appInfo.heightRows * rowHeight))
remainingDelta += thisWidgetDelta;
usableDelta += thisWidgetDelta;
i++;
}
} else {
if (targetHeight >= minHeight) {
usableDelta += remainingDelta;
remainingDelta = 0;
} else {
var thisWidgetDelta = (appInfo.heightRows * rowHeight) - minHeight;
usableDelta += thisWidgetDelta;
remainingDelta -= thisWidgetDelta;
i++;
}
}
}
return usableDelta;
}
function withinBoundsY(someY) {
return Math.max(0, Math.min(someY, height));
}
Repeater {
id: repeater
model: widgetsList
delegate: Column {
id: repeaterDelegate
objectName: "homeWidget_" + (appInfo ? appInfo.id: "none")
// So that the touch area of the resize handle in this item covers the widget
// in the next delegate
z: repeater.model.count - model.index
Component.onCompleted: {
initialized = true;
}
readonly property real yNormal: model.rowIndex * root.rowHeight
property real yWhenResizing
width: root.width
readonly property real heightNormal: appInfo? appInfo.heightRows * root.rowHeight : 0
property real heightWhenResizing
// Only enable geometry behaviors once WidgetGrid gets its size,
// otherwise widgets will animate from size (0,0) to their final sizes on startup.
property bool geometryBehaviorsEnabled: root.width > 0 && !widgetsList.populating
Behavior on y { enabled: geometryBehaviorsEnabled; DefaultSmoothedAnimation {} }
Behavior on height { enabled: geometryBehaviorsEnabled; DefaultSmoothedAnimation {} }
property alias appInfo: appWidget.appInfo
readonly property int modelIndex: model.index
readonly property bool isAtBottom: model.index === (repeater.count - 1)
readonly property Item widget: appWidget
property real gridCenteredScale: 1
property real gridCenterX
property real gridCenterY
transform: Scale { origin.x: gridCenterX; origin.y: gridCenterY; xScale: gridCenteredScale; yScale: gridCenteredScale}
property bool initialized: false
state: {
if (initialized) {
if (root.applicationModel.activeAppInfo && !appInfo.active && !isAtBottom) {
return "hidden";
} else if (!appInfo.asWidget) {
return "closing";
} else {
return widgetColumn.resizingWidgets ? "resizing" : "normal"
}
} else {
return "";
}
}
states: [
State {
name: "normal"
PropertyChanges {
target: repeaterDelegate; y: yNormal; height: heightNormal
}
},
State {
name: "resizing"
PropertyChanges { target: repeaterDelegate; y: yWhenResizing; height: heightWhenResizing }
},
State {
name: "closing"
PropertyChanges {
target: repeaterDelegate
y: yNormal; height: heightNormal
scale: 0.75; opacity: 0.0
}
},
State {
name: "hidden"
PropertyChanges {
target: repeaterDelegate; y: yNormal; height: heightNormal
gridCenteredScale: 0.9; visible: false; opacity: 0
}
}
]
transitions: [
Transition {
to: "closing"
SequentialAnimation {
DefaultNumberAnimation { properties: "opacity,scale" }
ScriptAction { script: { widgetsList.remove(model.index); }}
}
},
Transition {
enabled: !widgetsList.populating
from: ""; to: "normal"
PropertyAction { property: "height" }
DefaultNumberAnimation { property: "y"; from: widgetColumn.height }
},
Transition {
to: "hidden"
SequentialAnimation {
PropertyAction { property: "visible"; value: true }
ScriptAction { script: {
var pos = root.mapToItem(repeaterDelegate, root.width / 2, root.height / 2);
repeaterDelegate.gridCenterX = pos.x;
repeaterDelegate.gridCenterY = pos.y;
}}
DefaultNumberAnimation { properties: "gridCenteredScale,opacity" }
}
},
Transition {
from: "hidden"; to: "normal"
SequentialAnimation {
PropertyAction { property: "visible"; value: true }
ScriptAction { script: {
var pos = root.mapToItem(repeaterDelegate, root.width / 2, root.height / 2);
repeaterDelegate.gridCenterX = pos.x;
repeaterDelegate.gridCenterY = pos.y;
}}
DefaultNumberAnimation { properties: "gridCenteredScale,opacity" }
}
}
]
Item {
id: appWidgetSlot
objectName: "appWidgetSlot_" + (appInfo ? appInfo.id: "none")
width: repeaterDelegate.width
height: repeaterDelegate.height - resizeHandle.height
ApplicationWidget {
id: appWidget
objectName: "applicationWidget_" + (appInfo ? appInfo.id : "none")
appInfo: model.appInfo
exposedRectTopMargin: active ? root.exposedRectTopMargin : 0.0
exposedRectBottomMargin: active ? root.exposedRectBottomMargin : 0.0
// in root coords
property real dragStartPosY
property real dragStartTouchPosY
property real dragTouchPosY
onDraggedOntoPos: {
dragTouchPosY = appWidget.mapToItem(root, pos.x, pos.y).y;
widgetColumn.onWidgetMoved(repeaterDelegate);
}
onDragStarted: {
dragStartPosY = appWidget.mapToItem(root, 0, 0).y
dragTouchPosY = dragStartTouchPosY = appWidget.mapToItem(root, pos.x, pos.y).y
beingDragged = true;
}
onDragEnded: {
beingDragged = false;
}
onBeingDraggedChanged: d.widgetIsBeingDragged = beingDragged
onCloseClicked: {
appInfo.asWidget = false;
}
onActiveChanged: {
if (active) {
//keep widget state of item on index when maximized
widgetStateWhenMaximized = widgetState;
clickedIndexWhenMaximized = index;
}
}
widgetState: {
if (!appInfo || !appInfo.asWidget) {
return "";
} else if ((widgetStateWhenMaximized !== "") && (clickedIndexWhenMaximized > -1)
&& (clickedIndexWhenMaximized === index)) {
return widgetStateWhenMaximized;
} else {
switch (Math.round(height / (root.rowHeight - root.resizerHandleHeight))) {
case 0:
case 1:
return "Widget1Row";
case 2:
return "Widget2Rows";
default:
return "Widget3Rows";
}
}
}
widgetHeight: {
if (widgetState === "Widget1Row") {
return root.rowHeight - root.resizerHandleHeight;
} else if (widgetState === "Widget2Rows") {
return (root.rowHeight * 2) - root.resizerHandleHeight;
} else {
return (root.rowHeight * 3) - root.resizerHandleHeight;
}
}
state: {
if (beingDragged) {
return "dragging"
} else if (active && root.activeApplicationParent) {
return "active"
} else if (repeaterDelegate.isAtBottom && root.moveBottomWidgetToDrawer) {
return "drawer"
} else {
return "home"
}
}
states: [
State {
name: "home"
ParentChange {
target: appWidget; parent: appWidgetSlot
x: 0; y: 0; scale: 1
width: appWidgetSlot.width; height: appWidgetSlot.height
}
PropertyChanges { target: appWidget; buttonsVisible: repeater.count > 1 }
},
State {
name: "active"
ParentChange {
target: appWidget; parent: root.activeApplicationParent
x: 0; y: 0; scale: 1
width: root.activeApplicationParent.width; height: root.activeApplicationParent.height
}
PropertyChanges { target: appWidget; buttonsVisible: false; clipWindow: false }
},
State {
name: "drawer"
ParentChange {
target: appWidget; parent: root.widgetDrawer
x: 0; y: 0; scale: 1
width: root.widgetDrawer.width; height: root.widgetDrawer.height
}
PropertyChanges { target: appWidget; buttonsVisible: false }
},
State {
name: "dragging"
ParentChange {
target: appWidget; parent: root
x: 0; y: appWidget.dragStartPosY + (appWidget.dragTouchPosY - appWidget.dragStartTouchPosY)
scale: 1
width: appWidgetSlot.width; height: appWidgetSlot.height
}
}
]
transitions: [
Transition {
to: "home,drawer"
SequentialAnimation {
id: anim
property int oldDelegateZ
PropertyAction { target: anim; property: "oldDelegateZ"; value: repeaterDelegate.z }
PropertyAction { target: repeaterDelegate; property: "z"; value: 100 }
ParentAnimation {
DefaultNumberAnimation { properties: "x,y,width,height" }
}
PropertyAction { target: repeaterDelegate; property: "z"; value: anim.oldDelegateZ }
}
},
Transition {
to: "active"
SequentialAnimation {
id: activeAnim
property int oldDelegateZ
PropertyAction { target: appWidget; property: "clipWindow"; value: true }
PropertyAction { target: activeAnim; property: "oldDelegateZ"; value: repeaterDelegate.z }
PropertyAction { target: repeaterDelegate; property: "z"; value: 100 }
ParentAnimation {
DefaultNumberAnimation { properties: "x,y,width,height" }
}
PropertyAction { target: repeaterDelegate; property: "z"; value: activeAnim.oldDelegateZ }
}
}
]
}
}
ResizeHandle {
id: resizeHandle
objectName: "resizeHandle" + model.index
visible: repeaterDelegate.isAtBottom || opacity === 0 ? false : true
opacity: d.widgetIsBeingDragged || root.applicationModel.activeAppInfo ? 0 : 1
Behavior on opacity { DefaultNumberAnimation{} }
width: parent.width
height: root.resizerHandleHeight
MouseArea {
anchors.fill: parent
objectName: "menuWidgetMenuDrag"
// don't let it cover the area near widget corners as they can have buttons
// like widget-drag and widget-close
anchors.leftMargin: Sizes.dp(90)
anchors.rightMargin: Sizes.dp(90)
// touch area spills out beyond resizeHandle's geometry so that it's easier to hit
anchors.topMargin: -parent.height
anchors.bottomMargin: -parent.height
// distance between the center of the mouse area and the point that was pressed
property real pressedYDelta
// Always tell widgetColumn that the vertical center of the handle got pressed as it
// sits neatly between the widget above and the widget below whereas its touch
// area can spill over both neighboring widgets. Makes it possible for widgetColumn
// to figure out which handle is being dragged without having to know about the
// size of their touch areas.
onPressed: {
widgetStateWhenMaximized = "";
clickedIndexWhenMaximized = -1;
pressedYDelta = mouseY - (height / 2);
widgetColumn.onResizeHandlePressed(mapToItem(root, mouseX, height / 2))
}
onReleased: widgetColumn.onResizeHandleReleased(mapToItem(root, mouseX, mouseY - pressedYDelta))
onPositionChanged: widgetColumn.onResizeHandleDragged(mapToItem(root, mouseX, mouseY - pressedYDelta))
}
}
}
}
}
}
|