iOS Style: Add TextField control

Change-Id: I4fac16331bd2e2a171f30e6f840661c24a0e445c
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>

3 files changed, 99 insertions, 2 deletions

diff --git a/src/quickcontrols2/ios/CMakeLists.txt b/src/quickcontrols2/ios/CMakeLists.txt
index 29d4c69ec2..e80709f42d 100644
--- a/src/quickcontrols2/ios/CMakeLists.txt
+++ b/src/quickcontrols2/ios/CMakeLists.txt
@@ -14,6 +14,7 @@ set(qml_files
     "Dial.qml"
     "PageIndicator.qml"
     "TextArea.qml"
+    "TextField.qml"
 )
 set_source_files_properties(Slider.qml PROPERTIES
     QT_QML_SOURCE_VERSIONS "2.2;6.0"
diff --git a/src/quickcontrols2/ios/TextField.qml b/src/quickcontrols2/ios/TextField.qml
new file mode 100644
index 0000000000..d5940348f8
--- /dev/null
+++ b/src/quickcontrols2/ios/TextField.qml
@@ -0,0 +1,91 @@
+/****************************************************************************
+**
+** Copyright (C) 2022 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Controls 2 module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or 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.GPL2 and 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-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick
+import QtQuick.Templates as T
+import QtQuick.Controls.impl
+import QtQuick.Controls.iOS
+import QtQuick.Controls.iOS.impl
+
+
+T.TextField {
+    id: control
+
+    implicitWidth: implicitBackgroundWidth + leftInset + rightInset
+                   || Math.max(contentWidth, placeholder.implicitWidth) + leftPadding + rightPadding
+    implicitHeight: Math.max(implicitBackgroundHeight + topInset + bottomInset,
+                             contentHeight + topPadding + bottomPadding,
+                             placeholder.implicitHeight + topPadding + bottomPadding)
+
+    leftPadding: 6
+    rightPadding: 8
+
+    color: control.palette.text
+    selectionColor: control.palette.highlight
+    selectedTextColor: control.palette.highlightedText
+    placeholderTextColor: control.palette.placeholderText
+    verticalAlignment: Qt.AlignVCenter
+    cursorDelegate: CursorDelegate {}
+
+    PlaceholderText {
+        id: placeholder
+        x: control.leftPadding
+        y: control.topPadding
+        width: control.width - (control.leftPadding + control.rightPadding)
+        height: control.height - (control.topPadding + control.bottomPadding)
+
+        text: control.placeholderText
+        font: control.font
+        color: control.placeholderTextColor
+        verticalAlignment: control.verticalAlignment
+        visible: !control.length && !control.preeditText && (!control.activeFocus || control.horizontalAlignment !== Qt.AlignHCenter)
+        elide: Text.ElideRight
+        renderType: control.renderType
+    }
+
+    background: Rectangle {
+        implicitHeight: 34
+        implicitWidth: 97
+        radius: 4
+
+        border.width: 1
+        border.color: control.palette.mid
+        color: control.palette.base
+    }
+}
diff --git a/src/quickcontrols2/ios/qquickiostheme.mm b/src/quickcontrols2/ios/qquickiostheme.mm
index 10025a9328..05a7bde24b 100644
--- a/src/quickcontrols2/ios/qquickiostheme.mm
+++ b/src/quickcontrols2/ios/qquickiostheme.mm
@@ -55,18 +55,21 @@ void QQuickIOSTheme::initialize(QQuickTheme *theme)
     QPalette systemPalette;
 
     QColor background;
+    QColor placeholderText;
     QColor blue;
     QColor white;
     QColor disabled;
     QColor grey;
 #ifdef Q_OS_IOS
+    background = qt_mac_toQColor(UIColor.systemBackgroundColor.CGColor);
+    placeholderText = qt_mac_toQColor(UIColor.placeholderTextColor.CGColor);
     blue = qt_mac_toQColor(UIColor.systemBlueColor.CGColor);
     disabled = qt_mac_toQColor(UIColor.tertiarySystemFillColor.CGColor);
     white = qt_mac_toQColor(UIColor.whiteColor.CGColor);
-    grey = qt_mac_toQColor(UIColor.systemFillColor.CGColor);
-    background = qt_mac_toQColor(UIColor.systemBackgroundColor.CGColor);
+    grey = qt_mac_toQColor(UIColor.opaqueSeparatorColor.CGColor);
 #else
     background = QQuickStylePrivate::isDarkSystemTheme() ? QColor(Qt::black) : QColor(Qt::white);
+    placeholderText = QColor(qRgba(60, 60, 67, 77));
     blue = QColor(qRgba(0, 122, 255, 255));
     white = QColor(qRgba(255, 255, 255, 255));
     disabled = QColor(qRgba(118, 118, 128, 31));
@@ -75,6 +78,8 @@ void QQuickIOSTheme::initialize(QQuickTheme *theme)
     systemPalette.setColor(QPalette::Window, background);
     systemPalette.setColor(QPalette::Base, background);
 
+    systemPalette.setColor(QPalette::PlaceholderText, placeholderText);
+
     systemPalette.setColor(QPalette::Button, blue);
     systemPalette.setColor(QPalette::Disabled, QPalette::Button, disabled);