[sendreplydialog] Submit on enter, enter newline on shift+enter

This enables better keyboard navigation and is consistent with virtually all messaging apps

CCBUG: 441742
(cherry picked from commit 695e36755b)

plugins/notifications/sendreplydialog.cpp

@@ -11,6 +11,7 @@
 #include <QLineEdit>
 #include <QBoxLayout>
 #include <QStandardPaths>
+#include <QKeyEvent>
 
 #include <KLocalizedString>
 
@@ -27,6 +28,9 @@ SendReplyDialog::SendReplyDialog(const QString& originalMessage, const QString&
     auto button = m_ui->buttonBox->button(QDialogButtonBox::Ok);
     button->setText(i18n("Send"));
 
+    auto textEdit = m_ui->replyEdit;
+    connect(textEdit, &SendReplyTextEdit::send, this, &SendReplyDialog::sendButtonClicked);
+
     connect(this, &QDialog::accepted, this, &SendReplyDialog::sendButtonClicked);
     setWindowTitle(topicName);
     setWindowIcon(QIcon::fromTheme(QStringLiteral("kdeconnect")));
@@ -46,3 +50,22 @@ QSize SendReplyDialog::sizeHint() const
 {
     return QSize(512, 64);
 }
+
+SendReplyTextEdit::SendReplyTextEdit(QWidget *parent)
+    : QTextEdit(parent)
+{
+}
+
+void SendReplyTextEdit::keyPressEvent(QKeyEvent* event)
+{
+    // Send reply on enter, except when shift + enter is pressed, then insert newline
+    const int key = event->key();
+    if (key == Qt::Key_Return || key == Qt::Key_Enter) {
+        if ((key == Qt::Key_Enter && (event->modifiers() == Qt::KeypadModifier)) || !event->modifiers()) {
+            Q_EMIT send();
+            event->accept();
+            return;
+        }
+    }
+    QTextEdit::keyPressEvent(event);
+}

plugins/notifications/sendreplydialog.h

@@ -9,6 +9,7 @@
 
 #include <QDialog>
 #include <QSize>
+#include <QTextEdit>
 
 namespace Ui { class SendReplyDialog; }
 
@@ -33,4 +34,15 @@ private:
     const QScopedPointer<Ui::SendReplyDialog> m_ui;
 };
 
+class SendReplyTextEdit : public QTextEdit
+{
+    Q_OBJECT
+public:
+    SendReplyTextEdit(QWidget* parent);
+
+    void keyPressEvent(QKeyEvent* event) override;
+
+    Q_SIGNAL void send();
+};
+
 #endif

plugins/notifications/sendreplydialog.ui

@@ -25,7 +25,7 @@
     </widget>
    </item>
    <item>
-    <widget class="QTextEdit" name="replyEdit"/>
+    <widget class="SendReplyTextEdit" name="replyEdit"/>
    </item>
    <item>
     <widget class="QDialogButtonBox" name="buttonBox">
@@ -71,4 +71,11 @@
    </hints>
   </connection>
  </connections>
+  <customwidgets>
+  <customwidget>
+   <class>SendReplyTextEdit</class>
+   <extends>QTextEdit</extends>
+   <header>sendreplydialog.h</header>
+  </customwidget>
+ </customwidgets>
 </ui>