QNX QPA: Add support for Qt Virtual Keyboard

If the QT_IM_MODULE environment variable is set, then it loads the
IM module accordingly, otherwise it is using the PPS one, if it is
available.

Task-number: QTBUG-54576
Change-Id: Icb8b474805053d8297029096365783c2cabc2cbc
Reviewed-by: Samuli Piippo <samuli.piippo@qt.io>
Reviewed-by: James McDonnell <jmcdonnell@blackberry.com>
(cherry picked from commit 8a7c373f8e745427d5fe7afc08d698837b7b8f2b)
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

2 files changed, 17 insertions, 7 deletions

diff --git a/src/plugins/platforms/qnx/qqnxintegration.cpp b/src/plugins/platforms/qnx/qqnxintegration.cpp
index db79780407..a996e765c4 100644
--- a/src/plugins/platforms/qnx/qqnxintegration.cpp
+++ b/src/plugins/platforms/qnx/qqnxintegration.cpp
@@ -72,6 +72,9 @@
 #  endif
 #endif
 
+#include <qpa/qplatforminputcontextfactory_p.h>
+#include <qpa/qplatforminputcontext.h>
+
 #include "private/qgenericunixfontdatabase_p.h"
 #include "private/qgenericunixeventdispatcher_p.h"
 
@@ -152,6 +155,7 @@ QQnxIntegration::QQnxIntegration(const QStringList &paramList)
     , m_inputContext(0)
     , m_buttonsNotifier(new QQnxButtonEventNotifier())
 #endif
+    , m_qpaInputContext(0)
     , m_services(0)
     , m_fontDatabase(new QGenericUnixFontDatabase())
     , m_eventDispatcher(createUnixEventDispatcher())
@@ -194,13 +198,17 @@ QQnxIntegration::QQnxIntegration(const QStringList &paramList)
     m_screenEventHandler->setScreenEventThread(m_screenEventThread);
     m_screenEventThread->start();
 
+    m_qpaInputContext = QPlatformInputContextFactory::create();
+
 #if QT_CONFIG(qqnx_pps)
-    // Create/start the keyboard class.
-    m_virtualKeyboard = new QQnxVirtualKeyboardPps();
+    if (!m_qpaInputContext) {
+        // Create/start the keyboard class.
+        m_virtualKeyboard = new QQnxVirtualKeyboardPps();
 
-    // delay invocation of start() to the time the event loop is up and running
-    // needed to have the QThread internals of the main thread properly initialized
-    QMetaObject::invokeMethod(m_virtualKeyboard, "start", Qt::QueuedConnection);
+        // delay invocation of start() to the time the event loop is up and running
+        // needed to have the QThread internals of the main thread properly initialized
+        QMetaObject::invokeMethod(m_virtualKeyboard, "start", Qt::QueuedConnection);
+    }
 #endif
 
 #if QT_CONFIG(qqnx_pps)
@@ -281,6 +289,7 @@ QQnxIntegration::~QQnxIntegration()
     // Destroy input context
     delete m_inputContext;
 #endif
+    delete m_qpaInputContext;
 
     // Destroy the keyboard class.
     delete m_virtualKeyboard;
@@ -397,13 +406,13 @@ QPlatformOpenGLContext *QQnxIntegration::createPlatformOpenGLContext(QOpenGLCont
 }
 #endif
 
-#if QT_CONFIG(qqnx_pps)
 QPlatformInputContext *QQnxIntegration::inputContext() const
 {
     qIntegrationDebug();
+    if (m_qpaInputContext)
+        return m_qpaInputContext;
     return m_inputContext;
 }
-#endif
 
 void QQnxIntegration::moveToScreen(QWindow *window, int screen)
 {
diff --git a/src/plugins/platforms/qnx/qqnxintegration.h b/src/plugins/platforms/qnx/qqnxintegration.h
index 4a6f15fc08..366556dc4b 100644
--- a/src/plugins/platforms/qnx/qqnxintegration.h
+++ b/src/plugins/platforms/qnx/qqnxintegration.h
@@ -153,6 +153,7 @@ private:
     QQnxInputContext *m_inputContext;
     QQnxButtonEventNotifier *m_buttonsNotifier;
 #endif
+    QPlatformInputContext *m_qpaInputContext;
     QQnxServices *m_services;
     QPlatformFontDatabase *m_fontDatabase;
     mutable QAbstractEventDispatcher *m_eventDispatcher;