18 files changed, 530 insertions, 0 deletions
diff --git a/examples/qml/signals/pytoqml1/main.py b/examples/qml/signals/pytoqml1/main.py
new file mode 100644
index 000000000..5bc27a521
--- /dev/null
+++ b/examples/qml/signals/pytoqml1/main.py
@@ -0,0 +1,31 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+import os
+from pathlib import Path
+import sys
+from PySide6.QtCore import QTimer, QUrl
+from PySide6.QtGui import QGuiApplication
+from PySide6.QtQuick import QQuickView
+
+if __name__ == '__main__':
+    app = QGuiApplication(sys.argv)
+
+    timer = QTimer()
+    timer.start(2000)
+
+    view = QQuickView()
+    qml_file = os.fspath(Path(__file__).resolve().parent / 'view.qml')
+    view.setSource(QUrl.fromLocalFile(qml_file))
+    if view.status() == QQuickView.Error:
+        sys.exit(-1)
+    root = view.rootObject()
+
+    timer.timeout.connect(root.updateRotater)
+
+    view.show()
+    res = app.exec()
+    # Deleting the view before it goes out of scope is required to make sure all child QML instances
+    # are destroyed in the correct order.
+    del view
+    sys.exit(res)
diff --git a/examples/qml/signals/pytoqml1/pytoqml1.pyproject b/examples/qml/signals/pytoqml1/pytoqml1.pyproject
new file mode 100644
index 000000000..e6f087cce
--- /dev/null
+++ b/examples/qml/signals/pytoqml1/pytoqml1.pyproject
@@ -0,0 +1,3 @@
+{
+    "files": ["main.py", "view.qml"]
+}
diff --git a/examples/qml/signals/pytoqml1/view.qml b/examples/qml/signals/pytoqml1/view.qml
new file mode 100644
index 000000000..af2d966be
--- /dev/null
+++ b/examples/qml/signals/pytoqml1/view.qml
@@ -0,0 +1,36 @@
+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+import QtQuick
+
+Rectangle {
+    id: page
+
+    function updateRotater() {
+        rotater.angle = rotater.angle + 45
+    }
+
+    width: 500; height: 200
+    color: "lightgray"
+
+    Rectangle {
+        id: rotater
+        property real angle : 0
+        x: 240
+        width: 100; height: 10
+        color: "black"
+        y: 95
+
+        transform: Rotation {
+            origin.x: 10; origin.y: 5
+            angle: rotater.angle
+            Behavior on angle {
+                SpringAnimation {
+                    spring: 1.4
+                    damping: .05
+                }
+            }
+        }
+    }
+
+}
diff --git a/examples/qml/signals/pytoqml2/main.py b/examples/qml/signals/pytoqml2/main.py
new file mode 100644
index 000000000..3a3650aba
--- /dev/null
+++ b/examples/qml/signals/pytoqml2/main.py
@@ -0,0 +1,54 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+import os
+from pathlib import Path
+import sys
+from PySide6.QtCore import QObject, QTimer, QUrl, Signal, Slot
+from PySide6.QtGui import QGuiApplication
+from PySide6.QtQuick import QQuickView
+from PySide6.QtQml import QmlElement
+
+
+# To be used on the @QmlElement decorator
+# (QML_IMPORT_MINOR_VERSION is optional)
+QML_IMPORT_NAME = "examples.signals.pytoqml2"
+QML_IMPORT_MAJOR_VERSION = 1
+
+
+@QmlElement
+class RotateValue(QObject):
+    valueChanged = Signal(int, arguments=['val'])
+
+    def __init__(self):
+        super().__init__()
+        self.r = 0
+
+    @Slot()
+    def increment(self):
+        self.r = self.r + 10
+        self.valueChanged.emit(self.r)
+
+
+if __name__ == '__main__':
+    app = QGuiApplication(sys.argv)
+    view = QQuickView()
+
+    rotatevalue = RotateValue()
+    timer = QTimer()
+    timer.start(2000)
+    view.setInitialProperties({"rotatevalue": rotatevalue})
+
+    qml_file = os.fspath(Path(__file__).resolve().parent / 'view.qml')
+    view.setSource(QUrl.fromLocalFile(qml_file))
+    if view.status() == QQuickView.Error:
+        sys.exit(-1)
+
+    timer.timeout.connect(rotatevalue.increment)
+
+    view.show()
+    res = app.exec()
+    # Deleting the view before it goes out of scope is required to make
+    # sure all child QML instances are destroyed in the correct order.
+    del view
+    sys.exit(res)
diff --git a/examples/qml/signals/pytoqml2/pytoqml2.pyproject b/examples/qml/signals/pytoqml2/pytoqml2.pyproject
new file mode 100644
index 000000000..e6f087cce
--- /dev/null
+++ b/examples/qml/signals/pytoqml2/pytoqml2.pyproject
@@ -0,0 +1,3 @@
+{
+    "files": ["main.py", "view.qml"]
+}
diff --git a/examples/qml/signals/pytoqml2/view.qml b/examples/qml/signals/pytoqml2/view.qml
new file mode 100644
index 000000000..2e9128f53
--- /dev/null
+++ b/examples/qml/signals/pytoqml2/view.qml
@@ -0,0 +1,30 @@
+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+import QtQuick
+import QtQml
+
+import examples.signals.pytoqml2 1.0
+
+Rectangle {
+    id: page
+
+    width: 500; height: 200
+    color: "lightgray"
+    required property RotateValue rotatevalue
+
+    Text {
+        id: helloText
+        text: "Hello world!"
+        anchors.horizontalCenter: page.horizontalCenter
+        y: 30
+        font.pointSize: 24; font.bold: true
+    }
+
+    Connections {
+        target: rotatevalue
+        function onValueChanged(val) {
+            helloText.rotation = val
+        }
+    }
+}
diff --git a/examples/qml/signals/qmltopy1/main.py b/examples/qml/signals/qmltopy1/main.py
new file mode 100644
index 000000000..83966903c
--- /dev/null
+++ b/examples/qml/signals/qmltopy1/main.py
@@ -0,0 +1,50 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+import os
+from pathlib import Path
+import sys
+from PySide6.QtCore import QObject, QUrl, Slot
+from PySide6.QtGui import QGuiApplication
+from PySide6.QtQuick import QQuickView
+from PySide6.QtQml import QmlElement
+
+
+# To be used on the @QmlElement decorator
+# (QML_IMPORT_MINOR_VERSION is optional)
+QML_IMPORT_NAME = "examples.signals.qmltopy1"
+QML_IMPORT_MAJOR_VERSION = 1
+
+
+@QmlElement
+class Console(QObject):
+    """Output stuff on the console."""
+
+    @Slot(str)
+    @Slot('double')
+    def output(self, s):
+        print(s)
+
+    @Slot(str)
+    def outputStr(self, s):
+        print(s)
+
+    @Slot('double')
+    def outputFloat(self, x):
+        print(x)
+
+
+if __name__ == '__main__':
+    app = QGuiApplication(sys.argv)
+    view = QQuickView()
+
+    qml_file = os.fspath(Path(__file__).resolve().parent / 'view.qml')
+    view.setSource(QUrl.fromLocalFile(qml_file))
+    if view.status() == QQuickView.Error:
+        sys.exit(-1)
+    view.show()
+    res = app.exec()
+    # Deleting the view before it goes out of scope is required to make sure all child QML instances
+    # are destroyed in the correct order.
+    del view
+    sys.exit(res)
diff --git a/examples/qml/signals/qmltopy1/qmltopy1.pyproject b/examples/qml/signals/qmltopy1/qmltopy1.pyproject
new file mode 100644
index 000000000..e6f087cce
--- /dev/null
+++ b/examples/qml/signals/qmltopy1/qmltopy1.pyproject
@@ -0,0 +1,3 @@
+{
+    "files": ["main.py", "view.qml"]
+}
diff --git a/examples/qml/signals/qmltopy1/view.qml b/examples/qml/signals/qmltopy1/view.qml
new file mode 100644
index 000000000..b10e2e77d
--- /dev/null
+++ b/examples/qml/signals/qmltopy1/view.qml
@@ -0,0 +1,54 @@
+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+
+import QtQuick
+
+import examples.signals.qmltopy1 1.0
+
+Rectangle {
+    id: page
+
+    width: 500; height: 200
+    color: "lightgray"
+
+    Console {
+        id: pyConsole
+    }
+
+    Text {
+        id: helloText
+        text: "Hello world!"
+        anchors.horizontalCenter: page.horizontalCenter
+        y: 30
+        font.pointSize: 24; font.bold: true
+    }
+
+    Rectangle {
+        id: button
+        width: 150; height: 40
+        color: "darkgray"
+        anchors.horizontalCenter: page.horizontalCenter
+        y: 120
+        MouseArea {
+            id: buttonMouseArea
+            objectName: "buttonMouseArea"
+            anchors.fill: parent
+            onClicked: {
+                // once the "console" context has been declared,
+                // slots can be called like functions
+                pyConsole.outputFloat(123)
+                pyConsole.outputStr("foobar")
+                pyConsole.output(helloText.x)
+                pyConsole.output(helloText.text)
+            }
+        }
+        Text {
+            id: buttonText
+            text: "Press me!"
+            anchors.horizontalCenter: button.horizontalCenter
+            anchors.verticalCenter: button.verticalCenter
+            font.pointSize: 16
+        }
+    }
+}
diff --git a/examples/qml/signals/qmltopy2/main.py b/examples/qml/signals/qmltopy2/main.py
new file mode 100644
index 000000000..bc2e8d3ed
--- /dev/null
+++ b/examples/qml/signals/qmltopy2/main.py
@@ -0,0 +1,45 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+import os
+from pathlib import Path
+import sys
+from PySide6.QtCore import QObject, QUrl, Slot
+from PySide6.QtGui import QGuiApplication
+from PySide6.QtQuick import QQuickView
+from PySide6.QtQml import QmlElement
+
+# To be used on the @QmlElement decorator
+# (QML_IMPORT_MINOR_VERSION is optional)
+QML_IMPORT_NAME = "examples.signals.qmltopy2"
+QML_IMPORT_MAJOR_VERSION = 1
+
+
+@QmlElement
+class RotateValue(QObject):
+    def __init__(self):
+        super().__init__()
+        self.r = 0
+
+    # If a slot returns a value, the return value type must be explicitly
+    # defined in the decorator.
+    @Slot(result=int)
+    def val(self):
+        self.r = self.r + 10
+        return self.r
+
+
+if __name__ == '__main__':
+    app = QGuiApplication(sys.argv)
+    view = QQuickView()
+
+    qml_file = os.fspath(Path(__file__).resolve().parent / 'view.qml')
+    view.setSource(QUrl.fromLocalFile(qml_file))
+    if view.status() == QQuickView.Error:
+        sys.exit(-1)
+    view.show()
+    res = app.exec()
+    # Deleting the view before it goes out of scope is required to make sure all child QML instances
+    # are destroyed in the correct order.
+    del view
+    sys.exit(res)
diff --git a/examples/qml/signals/qmltopy2/qmltopy2.pyproject b/examples/qml/signals/qmltopy2/qmltopy2.pyproject
new file mode 100644
index 000000000..e6f087cce
--- /dev/null
+++ b/examples/qml/signals/qmltopy2/qmltopy2.pyproject
@@ -0,0 +1,3 @@
+{
+    "files": ["main.py", "view.qml"]
+}
diff --git a/examples/qml/signals/qmltopy2/view.qml b/examples/qml/signals/qmltopy2/view.qml
new file mode 100644
index 000000000..4bbda574c
--- /dev/null
+++ b/examples/qml/signals/qmltopy2/view.qml
@@ -0,0 +1,49 @@
+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+import QtQuick
+
+import examples.signals.qmltopy2 1.0
+
+Rectangle {
+    id: page
+
+    width: 500; height: 200
+    color: "lightgray"
+
+    RotateValue {
+        id: rotatevalue
+    }
+
+    Text {
+        id: helloText
+        text: "Hello world!"
+        anchors.horizontalCenter: page.horizontalCenter
+        y: 30
+        font.pointSize: 24; font.bold: true
+    }
+
+
+    Rectangle {
+        id: button
+        width: 150; height: 40
+        color: "darkgray"
+        anchors.horizontalCenter: page.horizontalCenter
+        y: 120
+        MouseArea {
+            id: buttonMouseArea
+            objectName: "buttonMouseArea"
+            anchors.fill: parent
+            onClicked: {
+                helloText.rotation = rotatevalue.val()
+            }
+        }
+        Text {
+            id: buttonText
+            text: "Press me!"
+            anchors.horizontalCenter: button.horizontalCenter
+            anchors.verticalCenter: button.verticalCenter
+            font.pointSize: 16
+        }
+    }
+}
diff --git a/examples/qml/signals/qmltopy3/main.py b/examples/qml/signals/qmltopy3/main.py
new file mode 100644
index 000000000..6a5554842
--- /dev/null
+++ b/examples/qml/signals/qmltopy3/main.py
@@ -0,0 +1,33 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+import os
+from pathlib import Path
+import sys
+from PySide6.QtCore import QUrl
+from PySide6.QtGui import QGuiApplication
+from PySide6.QtQuick import QQuickView
+
+
+def sayThis(s):
+    print(s)
+
+
+if __name__ == '__main__':
+    app = QGuiApplication(sys.argv)
+    view = QQuickView()
+    qml_file = os.fspath(Path(__file__).resolve().parent / 'view.qml')
+    view.setSource(QUrl.fromLocalFile(qml_file))
+    if view.status() == QQuickView.Error:
+        sys.exit(-1)
+
+    root = view.rootObject()
+    root.textRotationChanged.connect(sayThis)
+    root.buttonClicked.connect(lambda: sayThis("clicked button (QML top-level signal)"))
+
+    view.show()
+    res = app.exec()
+    # Deleting the view before it goes out of scope is required to make sure all child QML instances
+    # are destroyed in the correct order.
+    del view
+    sys.exit(res)
diff --git a/examples/qml/signals/qmltopy3/qmltopy3.pyproject b/examples/qml/signals/qmltopy3/qmltopy3.pyproject
new file mode 100644
index 000000000..e6f087cce
--- /dev/null
+++ b/examples/qml/signals/qmltopy3/qmltopy3.pyproject
@@ -0,0 +1,3 @@
+{
+    "files": ["main.py", "view.qml"]
+}
diff --git a/examples/qml/signals/qmltopy3/view.qml b/examples/qml/signals/qmltopy3/view.qml
new file mode 100644
index 000000000..3e8a0f564
--- /dev/null
+++ b/examples/qml/signals/qmltopy3/view.qml
@@ -0,0 +1,66 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+import QtQuick
+
+Rectangle {
+    id: page
+
+    signal buttonClicked
+    signal textRotationChanged(double rot)
+
+    width: 500; height: 200
+    color: "lightgray"
+
+    Text {
+        id: helloText
+        text: "Hello world!"
+        y: 30
+        x: page.width/2-width/2
+        font.pointSize: 24; font.bold: true
+        onRotationChanged: textRotationChanged(rotation)
+
+        states: State {
+            name: "down"; when: buttonMouseArea.pressed === true
+            PropertyChanges {
+                target: helloText;
+                rotation: 180;
+                y: 100;
+            }
+        }
+
+        transitions: Transition {
+            from: ""; to: "down"; reversible: true
+            ParallelAnimation {
+                NumberAnimation {
+                    properties: "y,rotation"
+                    duration: 500
+                    easing.type: Easing.InOutQuad
+                }
+            }
+        }
+    }
+
+    Rectangle {
+        id: button
+        width: 150; height: 40
+        color: "darkgray"
+        anchors.horizontalCenter: page.horizontalCenter
+        y: 120
+        MouseArea {
+            id: buttonMouseArea
+            objectName: "buttonMouseArea"
+            anchors.fill: parent
+            onClicked: {
+                buttonClicked()
+            }
+        }
+        Text {
+            id: buttonText
+            text: "Press me!"
+            anchors.horizontalCenter: button.horizontalCenter
+            anchors.verticalCenter: button.verticalCenter
+            font.pointSize: 16
+        }
+    }
+}
diff --git a/examples/qml/signals/qmltopy4/main.py b/examples/qml/signals/qmltopy4/main.py
new file mode 100644
index 000000000..8a56073d1
--- /dev/null
+++ b/examples/qml/signals/qmltopy4/main.py
@@ -0,0 +1,33 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+import os
+from pathlib import Path
+import sys
+from PySide6.QtCore import QObject, QUrl
+from PySide6.QtGui import QGuiApplication
+from PySide6.QtQuick import QQuickView
+
+
+def sayThis(s):
+    print(s)
+
+
+if __name__ == '__main__':
+    app = QGuiApplication(sys.argv)
+    view = QQuickView()
+    qml_file = os.fspath(Path(__file__).resolve().parent / 'view.qml')
+    view.setSource(QUrl.fromLocalFile(qml_file))
+    if view.status() == QQuickView.Error:
+        sys.exit(-1)
+
+    root = view.rootObject()
+    button = root.findChild(QObject, "buttonMouseArea")
+    button.clicked.connect(lambda: sayThis("clicked button (signal directly connected)"))
+
+    view.show()
+    res = app.exec()
+    # Deleting the view before it goes out of scope is required to make sure all child QML instances
+    # are destroyed in the correct order.
+    del view
+    sys.exit(res)
diff --git a/examples/qml/signals/qmltopy4/qmltopy4.pyproject b/examples/qml/signals/qmltopy4/qmltopy4.pyproject
new file mode 100644
index 000000000..e6f087cce
--- /dev/null
+++ b/examples/qml/signals/qmltopy4/qmltopy4.pyproject
@@ -0,0 +1,3 @@
+{
+    "files": ["main.py", "view.qml"]
+}
diff --git a/examples/qml/signals/qmltopy4/view.qml b/examples/qml/signals/qmltopy4/view.qml
new file mode 100644
index 000000000..771b14c47
--- /dev/null
+++ b/examples/qml/signals/qmltopy4/view.qml
@@ -0,0 +1,31 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+import QtQuick
+
+Rectangle {
+    id: page
+
+    width: 500; height: 200
+    color: "lightgray"
+
+    Rectangle {
+        id: button
+        width: 150; height: 40
+        color: "darkgray"
+        anchors.horizontalCenter: page.horizontalCenter
+        anchors.verticalCenter: page.verticalCenter
+        MouseArea {
+            id: buttonMouseArea
+            objectName: "buttonMouseArea"
+            anchors.fill: parent
+        }
+        Text {
+            id: buttonText
+            text: "Press me!"
+            anchors.horizontalCenter: button.horizontalCenter
+            anchors.verticalCenter: button.verticalCenter
+            font.pointSize: 16
+        }
+    }
+}