Add Farsi handwriting

[ChangeLog] Added Farsi handwriting.

Change-Id: I1bf25cbc7f36cf8ca3f0a44b7e217a55ed3aa13a
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>

6 files changed, 132 insertions, 4 deletions

diff --git a/src/virtualkeyboard/content/layouts/fa_FA/handwriting.qml b/src/virtualkeyboard/content/layouts/fa_FA/handwriting.qml
new file mode 100644
index 00000000..006df195
--- /dev/null
+++ b/src/virtualkeyboard/content/layouts/fa_FA/handwriting.qml
@@ -0,0 +1,116 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt Virtual Keyboard module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL$
+** 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 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+import QtQuick.Layouts 1.0
+import QtQuick.VirtualKeyboard 2.3
+
+KeyboardLayout {
+    function createInputMethod() {
+        return Qt.createQmlObject('import QtQuick 2.0; import QtQuick.VirtualKeyboard 2.3; HandwritingInputMethod {}', parent)
+    }
+    sharedLayouts: ['symbols']
+    inputMode: InputEngine.Arabic
+    readonly property bool alphabeticInputMode: [InputEngine.Latin, InputEngine.Dialable].indexOf(InputContext.inputEngine.inputMode) !== -1
+
+    KeyboardRow {
+        Layout.preferredHeight: 3
+        KeyboardColumn {
+            Layout.preferredWidth: bottomRow.width - hideKeyboardKey.width
+            KeyboardRow {
+                TraceInputKey {
+                    objectName: "hwrInputArea"
+                    patternRecognitionMode: InputEngine.HandwritingRecoginition
+                    horizontalRulers:
+                        alphabeticInputMode ? [] :
+                            [Math.round(boundingBox.height / 4), Math.round(boundingBox.height / 4) * 2, Math.round(boundingBox.height / 4) * 3]
+                }
+            }
+        }
+        KeyboardColumn {
+            Layout.preferredWidth: hideKeyboardKey.width
+            KeyboardRow {
+                BackspaceKey {}
+            }
+            KeyboardRow {
+                EnterKey {}
+            }
+            KeyboardRow {
+                ShiftKey { }
+            }
+        }
+    }
+    KeyboardRow {
+        id: bottomRow
+        Layout.preferredHeight: 1
+        keyWeight: 154
+        InputModeKey {
+            weight: 217
+            inputModeNameList: [
+                "ABC",  // InputEngine.Latin
+                "\u0660\u0661\u0662",  // InputEngine.Numeric
+                "123",  // InputEngine.Dialable
+                "",  // InputEngine.Pinyin
+                "",  // InputEngine.Cangjie
+                "",  // InputEngine.Zhuyin
+                "",  // InputEngine.Hangul
+                "",  // InputEngine.Hiragana
+                "",  // InputEngine.Katakana
+                "",  // InputEngine.FullwidthLatin
+                "",  // InputEngine.Greek
+                "",  // InputEngine.Cyrillic
+                "\u0627\u200C\u0628\u200C\u067E",  // InputEngine.Arabic
+            ]
+        }
+        ChangeLanguageKey {
+            weight: 154
+            customLayoutsOnly: true
+        }
+        HandwritingModeKey {
+            weight: 154
+        }
+        SpaceKey {
+            weight: 864
+        }
+        Key {
+            key: alphabeticInputMode ? Qt.Key_Apostrophe : 0x060C
+            text: alphabeticInputMode ? "'" : "\u060C"
+            alternativeKeys: alphabeticInputMode ? "<>()#%&*/\\\"'=+-_" : "\"\u060C\u066B\u066C\u066D"
+        }
+        Key {
+            key: Qt.Key_Period
+            text: "."
+            alternativeKeys: alphabeticInputMode ? ":;,.?!" : ":\u061B.\u061F!"
+        }
+        HideKeyboardKey {
+            id: hideKeyboardKey
+            weight: 204
+        }
+    }
+}
diff --git a/src/virtualkeyboard/content/layouts/fa_FA/main.qml b/src/virtualkeyboard/content/layouts/fa_FA/main.qml
index 3681dd2b..e73665a8 100644
--- a/src/virtualkeyboard/content/layouts/fa_FA/main.qml
+++ b/src/virtualkeyboard/content/layouts/fa_FA/main.qml
@@ -28,10 +28,10 @@
 ****************************************************************************/
 
 import QtQuick 2.0
-import QtQuick.VirtualKeyboard 2.1
+import QtQuick.VirtualKeyboard 2.3
 
 KeyboardLayoutLoader {
-    inputMode: InputEngine.Latin
+    inputMode: InputEngine.Arabic
     sourceComponent: InputContext.shift ? page2 : page1
     Component {
         id: page1
@@ -166,6 +166,9 @@ KeyboardLayoutLoader {
                 ChangeLanguageKey {
                     weight: 154
                 }
+                HandwritingModeKey {
+                    weight: 154
+                }
                 SpaceKey {
                     weight: 864
                 }
@@ -317,6 +320,9 @@ KeyboardLayoutLoader {
                 ChangeLanguageKey {
                     weight: 154
                 }
+                HandwritingModeKey {
+                    weight: 154
+                }
                 SpaceKey {
                     weight: 864
                 }
diff --git a/src/virtualkeyboard/content/styles/default/style.qml b/src/virtualkeyboard/content/styles/default/style.qml
index 595c7b79..a30bcb51 100644
--- a/src/virtualkeyboard/content/styles/default/style.qml
+++ b/src/virtualkeyboard/content/styles/default/style.qml
@@ -770,6 +770,8 @@ KeyboardStyle {
                     case InputEngine.Cyrillic:
                         return "АБВ"
                     case InputEngine.Arabic:
+                        if (InputContext.locale.substring(0, 2) === "fa")
+                            return "\u0627\u200C\u0628\u200C\u067E"
                         return "\u0623\u200C\u0628\u200C\u062C"
                     case InputEngine.ChineseHandwriting:
                         return "中文"
diff --git a/src/virtualkeyboard/content/styles/retro/style.qml b/src/virtualkeyboard/content/styles/retro/style.qml
index 888f4b50..16dfe7fc 100644
--- a/src/virtualkeyboard/content/styles/retro/style.qml
+++ b/src/virtualkeyboard/content/styles/retro/style.qml
@@ -884,6 +884,8 @@ KeyboardStyle {
                 case InputEngine.Cyrillic:
                     return "АБВ"
                 case InputEngine.Arabic:
+                    if (InputContext.locale.substring(0, 2) === "fa")
+                        return "\u0627\u200C\u0628\u200C\u067E"
                     return "\u0623\u200C\u0628\u200C\u062C"
                 case InputEngine.ChineseHandwriting:
                     return "中文"
diff --git a/src/virtualkeyboard/t9writeinputmethod.cpp b/src/virtualkeyboard/t9writeinputmethod.cpp
index 8479ae5a..baecbf47 100644
--- a/src/virtualkeyboard/t9writeinputmethod.cpp
+++ b/src/virtualkeyboard/t9writeinputmethod.cpp
@@ -639,7 +639,7 @@ public:
         } else if (language == DECUMA_LANG_SRCY) {
             if (inputMode != InputEngine::Cyrillic)
                 language = DECUMA_LANG_SRLA;
-        } else if (language == DECUMA_LANG_AR) {
+        } else if (language == DECUMA_LANG_AR || language == DECUMA_LANG_FA) {
             if (inputMode != InputEngine::Arabic && inputMode != InputEngine::Numeric)
                 language = DECUMA_LANG_EN;
         }
@@ -703,7 +703,7 @@ public:
             break;
 
         case InputEngine::Numeric:
-            if (language == DECUMA_LANG_AR) {
+            if (language == DECUMA_LANG_AR || language == DECUMA_LANG_FA) {
                 symbolCategories.append(DECUMA_CATEGORY_ARABIC_NUM_MODE);
                 symbolCategories.append(DECUMA_CATEGORY_ARABIC_GESTURES);
                 leftToRightGestures = false;
diff --git a/src/virtualkeyboard/virtualkeyboard.pro b/src/virtualkeyboard/virtualkeyboard.pro
index 83d0b408..deac2944 100644
--- a/src/virtualkeyboard/virtualkeyboard.pro
+++ b/src/virtualkeyboard/virtualkeyboard.pro
@@ -142,6 +142,8 @@ contains(CONFIG, lang-fa.*) {
         content/layouts/fa_FA/main.qml \
         content/layouts/fa_FA/numbers.qml \
         content/layouts/fa_FA/symbols.qml
+t9write-alphabetic: LAYOUT_FILES += \
+        content/layouts/fa_FA/handwriting.qml
 }
 contains(CONFIG, lang-fi.*) {
     LAYOUT_FILES += \