Add text properties QML example

Task-number: PYSIDE-738
Change-Id: I5f22cd322d4414d5ee4be38042b0fc849c40987a
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>

2 files changed, 303 insertions, 0 deletions

diff --git a/examples/declarative/textproperties/main.py b/examples/declarative/textproperties/main.py
new file mode 100644
index 000000000..8da443edc
--- /dev/null
+++ b/examples/declarative/textproperties/main.py
@@ -0,0 +1,112 @@
+#############################################################################
+##
+## Copyright (C) 2018 The Qt Company Ltd.
+## Contact: http://www.qt.io/licensing/
+##
+## This file is part of the Qt for Python examples of the Qt Toolkit.
+##
+## $QT_BEGIN_LICENSE:BSD$
+## You may use this file under the terms of the BSD license as follows:
+##
+## "Redistribution and use in source and binary forms, with or without
+## modification, are permitted provided that the following conditions are
+## met:
+##   * Redistributions of source code must retain the above copyright
+##     notice, this list of conditions and the following disclaimer.
+##   * Redistributions in binary form must reproduce the above copyright
+##     notice, this list of conditions and the following disclaimer in
+##     the documentation and/or other materials provided with the
+##     distribution.
+##   * Neither the name of The Qt Company Ltd nor the names of its
+##     contributors may be used to endorse or promote products derived
+##     from this software without specific prior written permission.
+##
+##
+## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+import sys
+from os.path import abspath, dirname, join
+
+from PySide2.QtCore import QObject, Slot
+from PySide2.QtGui import QGuiApplication
+from PySide2.QtQml import QQmlApplicationEngine
+
+
+class Bridge(QObject):
+
+    @Slot(str, result=str)
+    def getColor(self, s):
+        if s.lower() == "red":
+            return "#ef9a9a"
+        elif s.lower() == "green":
+            return "#a5d6a7"
+        elif s.lower() == "blue":
+            return "#90caf9"
+        else:
+            return "white"
+
+    @Slot(float, result=int)
+    def getSize(self, s):
+        size = int(s * 34)
+        if size <= 0:
+            return 1
+        else:
+            return size
+
+    @Slot(str, result=bool)
+    def getItalic(self, s):
+        if s.lower() == "italic":
+            return True
+        else:
+            return False
+
+    @Slot(str, result=bool)
+    def getBold(self, s):
+        if s.lower() == "bold":
+            return True
+        else:
+            return False
+
+    @Slot(str, result=bool)
+    def getUnderline(self, s):
+        if s.lower() == "underline":
+            return True
+        else:
+            return False
+
+
+if __name__ == '__main__':
+    sys.argv += ['--style', 'material']
+    app = QGuiApplication(sys.argv)
+    engine = QQmlApplicationEngine()
+
+    # Instance of the Python object
+    bridge = Bridge()
+
+    # Expose the Python object to QML
+    context = engine.rootContext()
+    context.setContextProperty("con", bridge)
+
+    # Get the path of the current directory, and then add the name
+    # of the QML file, to load it.
+    qmlFile = join(dirname(__file__), 'view.qml')
+    engine.load(abspath(qmlFile))
+
+    if not engine.rootObjects():
+        sys.exit(-1)
+
+    sys.exit(app.exec_())
diff --git a/examples/declarative/textproperties/view.qml b/examples/declarative/textproperties/view.qml
new file mode 100644
index 000000000..98289a1ba
--- /dev/null
+++ b/examples/declarative/textproperties/view.qml
@@ -0,0 +1,191 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt for Python examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+import QtQuick 2.0
+import QtQuick.Layouts 1.11
+import QtQuick.Controls 2.1
+import QtQuick.Window 2.1
+import QtQuick.Controls.Material 2.1
+
+ApplicationWindow {
+    id: page
+    width: 800
+    height: 400
+    visible: true
+    Material.theme: Material.Dark
+    Material.accent: Material.Red
+
+    GridLayout {
+        id: grid
+        columns: 2
+        rows: 3
+
+        ColumnLayout {
+            spacing: 2
+            Layout.columnSpan: 1
+            Layout.preferredWidth: 400
+
+            Text {
+                id: leftlabel
+                Layout.alignment: Qt.AlignHCenter
+                color: "white"
+                font.pointSize: 16
+                text: "Qt for Python"
+                Layout.preferredHeight: 100
+                Material.accent: Material.Green
+            }
+
+            RadioButton {
+                id: italic
+                Layout.alignment: Qt.AlignLeft
+                text: "Italic"
+                onToggled: {
+                    leftlabel.font.italic = con.getItalic(italic.text)
+                    leftlabel.font.bold = con.getBold(italic.text)
+                    leftlabel.font.underline = con.getUnderline(italic.text)
+
+                }
+            }
+            RadioButton {
+                id: bold
+                Layout.alignment: Qt.AlignLeft
+                text: "Bold"
+                onToggled: {
+                    leftlabel.font.italic = con.getItalic(bold.text)
+                    leftlabel.font.bold = con.getBold(bold.text)
+                    leftlabel.font.underline = con.getUnderline(bold.text)
+                }
+            }
+            RadioButton {
+                id: underline
+                Layout.alignment: Qt.AlignLeft
+                text: "Underline"
+                onToggled: {
+                    leftlabel.font.italic = con.getItalic(underline.text)
+                    leftlabel.font.bold = con.getBold(underline.text)
+                    leftlabel.font.underline = con.getUnderline(underline.text)
+                }
+            }
+            RadioButton {
+                id: noneradio
+                Layout.alignment: Qt.AlignLeft
+                text: "None"
+                checked: true
+                onToggled: {
+                    leftlabel.font.italic = con.getItalic(noneradio.text)
+                    leftlabel.font.bold = con.getBold(noneradio.text)
+                    leftlabel.font.underline = con.getUnderline(noneradio.text)
+                }
+            }
+        }
+
+        ColumnLayout {
+            id: rightcolumn
+            spacing: 2
+            Layout.columnSpan: 1
+            Layout.preferredWidth: 400
+            Layout.preferredHeight: 400
+            Layout.fillWidth: true
+
+            RowLayout {
+                Layout.alignment: Qt.AlignVCenter | Qt.AlignHCenter
+
+
+                Button {
+                    id: red
+                    text: "Red"
+                    highlighted: true
+                    Material.accent: Material.Red
+                    onClicked: {
+                        leftlabel.color = con.getColor(red.text)
+                    }
+                }
+                Button {
+                    id: green
+                    text: "Green"
+                    highlighted: true
+                    Material.accent: Material.Green
+                    onClicked: {
+                        leftlabel.color = con.getColor(green.text)
+                    }
+                }
+                Button {
+                    id: blue
+                    text: "Blue"
+                    highlighted: true
+                    Material.accent: Material.Blue
+                    onClicked: {
+                        leftlabel.color = con.getColor(blue.text)
+                    }
+                }
+                Button {
+                    id: nonebutton
+                    text: "None"
+                    highlighted: true
+                    Material.accent: Material.BlueGrey
+                    onClicked: {
+                        leftlabel.color = con.getColor(nonebutton.text)
+                    }
+                }
+            }
+            RowLayout {
+                Layout.fillWidth: true
+                Layout.alignment: Qt.AlignVCenter | Qt.AlignHCenter
+                Text {
+                    id: rightlabel
+                    color: "white"
+                    Layout.alignment: Qt.AlignLeft
+                    text: "Font size"
+                    Material.accent: Material.White
+                }
+                Slider {
+                    width: rightcolumn.width*0.6
+                    Layout.alignment: Qt.AlignRight
+                    id: slider
+                    value: 0.5
+                    onValueChanged: {
+                        leftlabel.font.pointSize = con.getSize(value)
+                    }
+                }
+            }
+        }
+    }
+}