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|
/****************************************************************************
**
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt 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 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** 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.
**
****************************************************************************/
import QtQuick 2.12
import QtQuick.Window 2.12
import QtQuick3D 1.15
import QtQuick.Controls 2.0
import QtGraphicalEffects 1.0
import MouseArea3D 1.0
Item {
id: viewRoot
width: 1024
height: 768
visible: true
property Node activeScene: null
property View3D editView: null
property string sceneId
property alias showEditLight: btnEditViewLight.toggled
property alias usePerspective: btnPerspective.toggled
property alias globalOrientation: btnLocalGlobal.toggled
property alias contentItem: contentItem
property Node selectedNode: null // This is non-null only in single selection case
property var selectedNodes: [] // All selected nodes
property var lightGizmos: []
property var cameraGizmos: []
property var selectionBoxes: []
property rect viewPortRect: Qt.rect(0, 0, 1000, 1000)
property bool showButtons: false
signal selectionChanged(var selectedNodes)
signal commitObjectProperty(var object, var propName)
signal changeObjectProperty(var object, var propName)
signal notifyActiveSceneChange()
onUsePerspectiveChanged: _generalHelper.storeToolState(sceneId, "usePerspective", usePerspective)
onShowEditLightChanged: _generalHelper.storeToolState(sceneId,"showEditLight", showEditLight)
onGlobalOrientationChanged: _generalHelper.storeToolState(sceneId, "globalOrientation", globalOrientation)
onActiveSceneChanged: updateActiveScene()
function createEditView()
{
var component = Qt.createComponent("SceneView3D.qml");
if (component.status === Component.Ready) {
editView = component.createObject(viewRect,
{"usePerspective": usePerspective,
"showSceneLight": showEditLight,
"importScene": activeScene,
"cameraZoomFactor": cameraControl._zoomFactor,
"z": 1});
editView.usePerspective = Qt.binding(function() {return usePerspective;});
editView.showSceneLight = Qt.binding(function() {return showEditLight;});
editView.cameraZoomFactor = Qt.binding(function() {return cameraControl._zoomFactor;});
selectionBoxes.length = 0;
return true;
}
return false;
}
function updateActiveScene()
{
if (editView) {
// Destroy is async, so make sure we don't get any more updates for the old editView
_generalHelper.enableItemUpdate(editView, false);
editView.destroy();
}
// importScene cannot be updated after initial set, so we need to reconstruct entire View3D
if (createEditView()) {
if (activeScene) {
var toolStates = _generalHelper.getToolStates(sceneId);
if (Object.keys(toolStates).length > 0)
updateToolStates(toolStates, true);
else
storeCurrentToolStates();
} else {
// When active scene is deleted, this function gets called by object deletion
// handlers without going through setActiveScene, so make sure sceneId is cleared.
sceneId = "";
storeCurrentToolStates();
}
notifyActiveSceneChange();
}
}
function setActiveScene(newScene, newSceneId)
{
var needExplicitUpdate = !activeScene && !newScene;
sceneId = newSceneId;
activeScene = newScene;
if (needExplicitUpdate)
updateActiveScene();
}
// Disables edit view update if scene doesn't match current activeScene.
// If it matches, updates are enabled.
function enableEditViewUpdate(scene)
{
if (editView)
_generalHelper.enableItemUpdate(editView, (scene && scene === activeScene));
}
function fitToView()
{
if (editView) {
var targetNode = selectedNodes.length > 0
? selectionBoxes[0].model : null;
cameraControl.focusObject(targetNode, editView.camera.eulerRotation, true);
}
}
// If resetToDefault is true, tool states not specifically set to anything will be reset to
// their default state.
function updateToolStates(toolStates, resetToDefault)
{
if ("showEditLight" in toolStates)
showEditLight = toolStates.showEditLight;
else if (resetToDefault)
showEditLight = false;
if ("usePerspective" in toolStates)
usePerspective = toolStates.usePerspective;
else if (resetToDefault)
usePerspective = false;
if ("globalOrientation" in toolStates)
globalOrientation = toolStates.globalOrientation;
else if (resetToDefault)
globalOrientation = false;
var groupIndex;
var group;
var i;
if ("groupSelect" in toolStates) {
groupIndex = toolStates.groupSelect;
group = toolbarButtons.buttonGroups["groupSelect"];
for (i = 0; i < group.length; ++i)
group[i].selected = (i === groupIndex);
_generalHelper.storeToolState(sceneId, "groupSelect", groupIndex)
} else if (resetToDefault) {
btnSelectItem.selected = true;
btnSelectGroup.selected = false;
}
if ("groupTransform" in toolStates) {
groupIndex = toolStates.groupTransform;
group = toolbarButtons.buttonGroups["groupTransform"];
for (i = 0; i < group.length; ++i)
group[i].selected = (i === groupIndex);
_generalHelper.storeToolState(sceneId, "groupTransform", groupIndex)
} else if (resetToDefault) {
btnRotate.selected = false;
btnScale.selected = false;
btnMove.selected = true;
}
if ("editCamState" in toolStates)
cameraControl.restoreCameraState(toolStates.editCamState);
else if (resetToDefault)
cameraControl.restoreDefaultState();
}
function storeCurrentToolStates()
{
_generalHelper.storeToolState(sceneId, "showEditLight", showEditLight)
_generalHelper.storeToolState(sceneId, "usePerspective", usePerspective)
_generalHelper.storeToolState(sceneId, "globalOrientation", globalOrientation)
var group = toolbarButtons.buttonGroups["groupSelect"];
var i;
for (i = 0; i < group.length; ++i) {
if (group[i].selected) {
_generalHelper.storeToolState(sceneId, "groupSelect", i)
break;
}
}
group = toolbarButtons.buttonGroups["groupTransform"];
for (i = 0; i < group.length; ++i) {
if (group[i].selected) {
_generalHelper.storeToolState(sceneId, "groupTransform", i)
break;
}
}
cameraControl.storeCameraState(0);
}
function ensureSelectionBoxes(count)
{
var needMore = count - selectionBoxes.length
if (needMore > 0) {
var component = Qt.createComponent("SelectionBox.qml");
if (component.status === Component.Ready) {
for (var i = 0; i < needMore; ++i) {
var geometryName = _generalHelper.generateUniqueName("SelectionBoxGeometry");
var boxParent = null;
if (editView)
boxParent = editView.sceneHelpers;
var box = component.createObject(boxParent, {"view3D": editView,
"geometryName": geometryName});
selectionBoxes[selectionBoxes.length] = box;
box.view3D = Qt.binding(function() {return editView;});
}
}
}
}
function selectObjects(objects)
{
// Create selection boxes as necessary. One more box than is actually needed is created, so
// that we always have a previously created box to use for new selection.
// This fixes an occasional visual glitch when creating a new box.
ensureSelectionBoxes(objects.length + 1)
var i;
for (i = 0; i < objects.length; ++i)
selectionBoxes[i].targetNode = objects[i];
for (i = objects.length; i < selectionBoxes.length; ++i)
selectionBoxes[i].targetNode = null;
selectedNodes = objects;
if (objects.length === 0 || objects.length > 1)
selectedNode = null;
else
selectedNode = objects[0];
}
function handleObjectClicked(object, multi)
{
var theObject = object;
if (btnSelectGroup.selected) {
while (theObject && theObject !== activeScene && theObject.parent !== activeScene)
theObject = theObject.parent;
}
// Object selection logic:
// Regular click: Clear any multiselection, single-selects the clicked object
// Ctrl-click: No objects selected: Act as single select
// One or more objects selected: Multiselect
// Null object always clears entire selection
var newSelection = [];
if (object !== null) {
if (multi && selectedNodes.length > 0) {
var deselect = false;
for (var i = 0; i < selectedNodes.length; ++i) {
// Multiselecting already selected object clears that object from selection
if (selectedNodes[i] !== object)
newSelection[newSelection.length] = selectedNodes[i];
else
deselect = true;
}
if (!deselect)
newSelection[newSelection.length] = object;
} else {
newSelection[0] = theObject;
}
}
selectObjects(newSelection);
selectionChanged(newSelection);
}
function addLightGizmo(scene, obj)
{
// Insert into first available gizmo
for (var i = 0; i < lightGizmos.length; ++i) {
if (!lightGizmos[i].targetNode) {
lightGizmos[i].scene = scene;
lightGizmos[i].targetNode = obj;
return;
}
}
// No free gizmos available, create a new one
var component = Qt.createComponent("LightGizmo.qml");
if (component.status === Component.Ready) {
var gizmo = component.createObject(overlayView,
{"view3D": overlayView, "targetNode": obj,
"selectedNodes": selectedNodes, "scene": scene,
"activeScene": activeScene});
lightGizmos[lightGizmos.length] = gizmo;
gizmo.clicked.connect(handleObjectClicked);
gizmo.selectedNodes = Qt.binding(function() {return selectedNodes;});
gizmo.activeScene = Qt.binding(function() {return activeScene;});
}
}
function addCameraGizmo(scene, obj)
{
// Insert into first available gizmo
for (var i = 0; i < cameraGizmos.length; ++i) {
if (!cameraGizmos[i].targetNode) {
cameraGizmos[i].scene = scene;
cameraGizmos[i].targetNode = obj;
return;
}
}
// No free gizmos available, create a new one
var gizmoComponent = Qt.createComponent("CameraGizmo.qml");
var frustumComponent = Qt.createComponent("CameraFrustum.qml");
if (gizmoComponent.status === Component.Ready && frustumComponent.status === Component.Ready) {
var geometryName = _generalHelper.generateUniqueName("CameraGeometry");
var frustum = frustumComponent.createObject(
overlayScene,
{"geometryName": geometryName, "viewPortRect": viewPortRect});
var gizmo = gizmoComponent.createObject(
overlayView,
{"view3D": overlayView, "targetNode": obj,
"selectedNodes": selectedNodes, "scene": scene, "activeScene": activeScene});
cameraGizmos[cameraGizmos.length] = gizmo;
gizmo.clicked.connect(handleObjectClicked);
gizmo.selectedNodes = Qt.binding(function() {return selectedNodes;});
gizmo.activeScene = Qt.binding(function() {return activeScene;});
frustum.viewPortRect = Qt.binding(function() {return viewPortRect;});
gizmo.connectFrustum(frustum);
}
}
function releaseLightGizmo(obj)
{
for (var i = 0; i < lightGizmos.length; ++i) {
if (lightGizmos[i].targetNode === obj) {
lightGizmos[i].scene = null;
lightGizmos[i].targetNode = null;
return;
}
}
}
function releaseCameraGizmo(obj)
{
for (var i = 0; i < cameraGizmos.length; ++i) {
if (cameraGizmos[i].targetNode === obj) {
cameraGizmos[i].scene = null;
cameraGizmos[i].targetNode = null;
return;
}
}
}
function updateLightGizmoScene(scene, obj)
{
for (var i = 0; i < lightGizmos.length; ++i) {
if (lightGizmos[i].targetNode === obj) {
lightGizmos[i].scene = scene;
return;
}
}
}
function updateCameraGizmoScene(scene, obj)
{
for (var i = 0; i < cameraGizmos.length; ++i) {
if (cameraGizmos[i].targetNode === obj) {
cameraGizmos[i].scene = scene;
return;
}
}
}
Component.onCompleted: {
createEditView();
selectObjects([]);
// Work-around the fact that the projection matrix for the camera is not calculated until
// the first frame is rendered, so any initial calls to mapFrom3DScene() will fail.
_generalHelper.requestOverlayUpdate();
}
onWidthChanged: _generalHelper.requestOverlayUpdate()
onHeightChanged: _generalHelper.requestOverlayUpdate()
Node {
id: overlayScene
PerspectiveCamera {
id: overlayPerspectiveCamera
clipFar: viewRoot.editView ? viewRoot.editView.perspectiveCamera.clipFar : 1000
clipNear: viewRoot.editView ? viewRoot.editView.perspectiveCamera.clipNear : 1
position: viewRoot.editView ? viewRoot.editView.perspectiveCamera.position : Qt.vector3d(0, 0, 0)
rotation: viewRoot.editView ? viewRoot.editView.perspectiveCamera.rotation : Qt.quaternion(1, 0, 0, 0)
}
OrthographicCamera {
id: overlayOrthoCamera
clipFar: viewRoot.editView ? viewRoot.editView.orthoCamera.clipFar : 1000
clipNear: viewRoot.editView ? viewRoot.editView.orthoCamera.clipNear : 1
position: viewRoot.editView ? viewRoot.editView.orthoCamera.position : Qt.vector3d(0, 0, 0)
rotation: viewRoot.editView ? viewRoot.editView.orthoCamera.rotation : Qt.quaternion(1, 0, 0, 0)
scale: viewRoot.editView ? viewRoot.editView.orthoCamera.scale : Qt.vector3d(0, 0, 0)
}
MouseArea3D {
id: gizmoDragHelper
view3D: overlayView
}
MoveGizmo {
id: moveGizmo
scale: autoScale.getScale(Qt.vector3d(5, 5, 5))
highlightOnHover: true
targetNode: viewRoot.selectedNode
globalOrientation: viewRoot.globalOrientation
visible: viewRoot.selectedNode && btnMove.selected
view3D: overlayView
dragHelper: gizmoDragHelper
onPositionCommit: viewRoot.commitObjectProperty(viewRoot.selectedNode, "position")
onPositionMove: viewRoot.changeObjectProperty(viewRoot.selectedNode, "position")
}
ScaleGizmo {
id: scaleGizmo
scale: autoScale.getScale(Qt.vector3d(5, 5, 5))
highlightOnHover: true
targetNode: viewRoot.selectedNode
visible: viewRoot.selectedNode && btnScale.selected
view3D: overlayView
dragHelper: gizmoDragHelper
onScaleCommit: viewRoot.commitObjectProperty(viewRoot.selectedNode, "scale")
onScaleChange: viewRoot.changeObjectProperty(viewRoot.selectedNode, "scale")
}
RotateGizmo {
id: rotateGizmo
scale: autoScale.getScale(Qt.vector3d(7, 7, 7))
highlightOnHover: true
targetNode: viewRoot.selectedNode
globalOrientation: viewRoot.globalOrientation
visible: viewRoot.selectedNode && btnRotate.selected
view3D: overlayView
dragHelper: gizmoDragHelper
onRotateCommit: viewRoot.commitObjectProperty(viewRoot.selectedNode, "eulerRotation")
onRotateChange: viewRoot.changeObjectProperty(viewRoot.selectedNode, "eulerRotation")
}
AutoScaleHelper {
id: autoScale
view3D: overlayView
position: moveGizmo.scenePosition
}
Line3D {
id: pivotLine
visible: viewRoot.selectedNode
name: "3D Edit View Pivot Line"
color: "#ddd600"
startPos: viewRoot.selectedNode ? viewRoot.selectedNode.scenePosition
: Qt.vector3d(0, 0, 0)
Connections {
target: viewRoot
function onSelectedNodeChanged()
{
pivotLine.endPos = gizmoDragHelper.pivotScenePosition(viewRoot.selectedNode);
}
}
Connections {
target: viewRoot.selectedNode
function onSceneTransformChanged()
{
pivotLine.endPos = gizmoDragHelper.pivotScenePosition(viewRoot.selectedNode);
}
}
Model {
id: pivotCap
source: "#Sphere"
scale: autoScale.getScale(Qt.vector3d(0.03, 0.03, 0.03))
position: pivotLine.startPos
materials: [
DefaultMaterial {
id: lineMat
lighting: DefaultMaterial.NoLighting
cullMode: Material.NoCulling
emissiveColor: pivotLine.color
}
]
}
}
}
Item {
id: contentItem
anchors.fill: parent
Rectangle {
id: viewRect
anchors.fill: parent
focus: true
gradient: Gradient {
GradientStop { position: 1.0; color: "#222222" }
GradientStop { position: 0.0; color: "#999999" }
}
MouseArea {
anchors.fill: parent
acceptedButtons: Qt.LeftButton
onClicked: {
if (viewRoot.editView) {
var pickResult = viewRoot.editView.pick(mouse.x, mouse.y);
handleObjectClicked(_generalHelper.resolvePick(pickResult.objectHit),
mouse.modifiers & Qt.ControlModifier);
if (!pickResult.objectHit)
mouse.accepted = false;
}
}
}
DropArea {
anchors.fill: parent
}
View3D {
id: overlayView
anchors.fill: parent
camera: viewRoot.usePerspective ? overlayPerspectiveCamera : overlayOrthoCamera
importScene: overlayScene
z: 2
}
Overlay2D {
id: gizmoLabel
targetNode: moveGizmo.visible ? moveGizmo : scaleGizmo
targetView: overlayView
visible: targetNode.dragging
z: 3
Rectangle {
color: "white"
x: -width / 2
y: -height - 8
width: gizmoLabelText.width + 4
height: gizmoLabelText.height + 4
border.width: 1
Text {
id: gizmoLabelText
text: {
var l = Qt.locale();
var targetProperty;
if (viewRoot.selectedNode) {
if (gizmoLabel.targetNode === moveGizmo)
targetProperty = viewRoot.selectedNode.position;
else
targetProperty = viewRoot.selectedNode.scale;
return qsTr("x:") + Number(targetProperty.x).toLocaleString(l, 'f', 1)
+ qsTr(" y:") + Number(targetProperty.y).toLocaleString(l, 'f', 1)
+ qsTr(" z:") + Number(targetProperty.z).toLocaleString(l, 'f', 1);
} else {
return "";
}
}
anchors.centerIn: parent
}
}
}
Rectangle {
id: rotateGizmoLabel
color: "white"
x: rotateGizmo.currentMousePos.x - (10 + width)
y: rotateGizmo.currentMousePos.y - (10 + height)
width: rotateGizmoLabelText.width + 4
height: rotateGizmoLabelText.height + 4
border.width: 1
visible: rotateGizmo.dragging
parent: rotateGizmo.view3D
Text {
id: rotateGizmoLabelText
text: {
var l = Qt.locale();
if (rotateGizmo.targetNode) {
var degrees = rotateGizmo.currentAngle * (180 / Math.PI);
return qsTr(Number(degrees).toLocaleString(l, 'f', 1));
} else {
return "";
}
}
anchors.centerIn: parent
}
}
EditCameraController {
id: cameraControl
camera: viewRoot.editView ? viewRoot.editView.camera : null
anchors.fill: parent
view3d: viewRoot.editView
sceneId: viewRoot.sceneId
}
}
Rectangle { // toolbar
id: toolbar
color: "#9F000000"
width: 35
height: toolbarButtons.height
visible: viewRoot.showButtons
Column {
id: toolbarButtons
anchors.horizontalCenter: parent.horizontalCenter
spacing: 5
padding: 5
// Button groups must be defined in parent object of buttons
property var buttonGroups: {
"groupSelect": [btnSelectGroup, btnSelectItem],
"groupTransform": [btnMove, btnRotate, btnScale]
}
ToolBarButton {
id: btnSelectItem
selected: true
tooltip: qsTr("Select Item")
shortcut: "Q"
currentShortcut: selected ? "" : shortcut
tool: "item_selection"
buttonGroup: "groupSelect"
sceneId: viewRoot.sceneId
}
ToolBarButton {
id: btnSelectGroup
tooltip: qsTr("Select Group")
shortcut: "Q"
currentShortcut: btnSelectItem.currentShortcut === shortcut ? "" : shortcut
tool: "group_selection"
buttonGroup: "groupSelect"
sceneId: viewRoot.sceneId
}
Rectangle { // separator
width: 25
height: 1
color: "#f1f1f1"
anchors.horizontalCenter: parent.horizontalCenter
}
ToolBarButton {
id: btnMove
selected: true
tooltip: qsTr("Move current selection")
shortcut: "W"
currentShortcut: shortcut
tool: "move"
buttonGroup: "groupTransform"
sceneId: viewRoot.sceneId
}
ToolBarButton {
id: btnRotate
tooltip: qsTr("Rotate current selection")
shortcut: "E"
currentShortcut: shortcut
tool: "rotate"
buttonGroup: "groupTransform"
sceneId: viewRoot.sceneId
}
ToolBarButton {
id: btnScale
tooltip: qsTr("Scale current selection")
shortcut: "R"
currentShortcut: shortcut
tool: "scale"
buttonGroup: "groupTransform"
sceneId: viewRoot.sceneId
}
Rectangle { // separator
width: 25
height: 1
color: "#f1f1f1"
anchors.horizontalCenter: parent.horizontalCenter
}
ToolBarButton {
id: btnFit
tooltip: qsTr("Fit camera to current selection")
shortcut: "F"
currentShortcut: shortcut
tool: "fit"
togglable: false
onSelectedChanged: {
if (selected)
viewRoot.fitToView();
}
}
}
}
AxisHelper {
anchors.right: parent.right
anchors.top: parent.top
width: 100
height: width
editCameraCtrl: cameraControl
selectedNode : viewRoot.selectedNodes.length ? selectionBoxes[0].model : null
}
Rectangle { // top controls bar
color: "#aa000000"
width: 290
height: btnPerspective.height + 10
anchors.top: parent.top
anchors.right: parent.right
anchors.rightMargin: 100
visible: viewRoot.showButtons
Row {
padding: 5
anchors.fill: parent
ToggleButton {
id: btnPerspective
width: 105
tooltip: qsTr("Toggle Perspective / Orthographic Projection")
states: [{iconId: "ortho", text: qsTr("Orthographic")}, {iconId: "persp", text: qsTr("Perspective")}]
}
ToggleButton {
id: btnLocalGlobal
width: 65
tooltip: qsTr("Toggle Global / Local Orientation")
states: [{iconId: "local", text: qsTr("Local")}, {iconId: "global", text: qsTr("Global")}]
}
ToggleButton {
id: btnEditViewLight
width: 110
toggleBackground: true
tooltip: qsTr("Toggle Edit Light")
states: [{iconId: "edit_light_off", text: qsTr("Edit Light Off")}, {iconId: "edit_light_on", text: qsTr("Edit Light On")}]
}
}
}
}
}
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