Basic foreign window support for QNX

Requires a screen with working context permission parsing.  Currently,
all context permission requests fail because the parsing is incorrect.
A context permission is added temporarily to prevent CLOSE/CREATE
events when Qt reparents foreign windows.  Qt does this temporarily
when a foreign window is wrapped in a widget.

Change-Id: I84c18e70d43239286fcd53715332d7015cf1a826
Reviewed-by: Rafael Roquetto <rafael@roquetto.com>

1 files changed, 26 insertions, 1 deletions

diff --git a/src/plugins/platforms/qnx/qqnxintegration.cpp b/src/plugins/platforms/qnx/qqnxintegration.cpp
index a45dcabeb7..d9120256b3 100644
--- a/src/plugins/platforms/qnx/qqnxintegration.cpp
+++ b/src/plugins/platforms/qnx/qqnxintegration.cpp
@@ -51,6 +51,7 @@
 #include "qqnxabstractvirtualkeyboard.h"
 #include "qqnxservices.h"
 
+#include "qqnxforeignwindow.h"
 #include "qqnxrasterwindow.h"
 #if !defined(QT_NO_OPENGL)
 #include "qqnxeglwindow.h"
@@ -147,6 +148,7 @@ static inline int getContextCapabilities(const QStringList &paramList)
 
 QQnxIntegration::QQnxIntegration(const QStringList &paramList)
     : QPlatformIntegration()
+    , m_screenContextId(256, 0)
     , m_screenEventThread(0)
     , m_navigatorEventHandler(new QQnxNavigatorEventHandler())
     , m_virtualKeyboard(0)
@@ -178,6 +180,11 @@ QQnxIntegration::QQnxIntegration(const QStringList &paramList)
         qFatal("%s - Screen: Failed to create screen context - Error: %s (%i)",
                Q_FUNC_INFO, strerror(errno), errno);
     }
+    screen_get_context_property_cv(m_screenContext,
+                                   SCREEN_PROPERTY_ID,
+                                   m_screenContextId.size(),
+                                   m_screenContextId.data());
+    m_screenContextId.resize(strlen(m_screenContextId.constData()));
 
 #if QT_CONFIG(qqnx_pps)
     // Create/start navigator event notifier
@@ -310,6 +317,7 @@ bool QQnxIntegration::hasCapability(QPlatformIntegration::Capability cap) const
     qIntegrationDebug();
     switch (cap) {
     case MultipleWindows:
+    case ForeignWindows:
     case ThreadedPixmaps:
         return true;
 #if !defined(QT_NO_OPENGL)
@@ -323,6 +331,18 @@ bool QQnxIntegration::hasCapability(QPlatformIntegration::Capability cap) const
     }
 }
 
+QPlatformWindow *QQnxIntegration::createForeignWindow(QWindow *window, WId nativeHandle) const
+{
+    screen_window_t screenWindow = reinterpret_cast<screen_window_t>(nativeHandle);
+    if (this->window(screenWindow)) {
+        qWarning() << "QWindow already created for foreign window"
+                   << screenWindow;
+        return nullptr;
+    }
+
+    return new QQnxForeignWindow(window, m_screenContext, screenWindow);
+}
+
 QPlatformWindow *QQnxIntegration::createPlatformWindow(QWindow *window) const
 {
     qIntegrationDebug();
@@ -478,7 +498,7 @@ QPlatformServices * QQnxIntegration::services() const
     return m_services;
 }
 
-QWindow *QQnxIntegration::window(screen_window_t qnxWindow)
+QWindow *QQnxIntegration::window(screen_window_t qnxWindow) const
 {
     qIntegrationDebug();
     QMutexLocker locker(&m_windowMapperMutex);
@@ -706,6 +726,11 @@ screen_context_t QQnxIntegration::screenContext()
     return m_screenContext;
 }
 
+QByteArray QQnxIntegration::screenContextId()
+{
+    return m_screenContextId;
+}
+
 QQnxNavigatorEventHandler *QQnxIntegration::navigatorEventHandler()
 {
     return m_navigatorEventHandler;