From 8651fafdc958cfd040fc69a084fc7090e5987682 Mon Sep 17 00:00:00 2001 From: Alexander Volkov Date: Mon, 8 Jun 2015 14:35:22 +0300 Subject: [PATCH] Fix QWidget::setWindowRole() Introduce QXcbWindowFunctions::setWmWindowRole() and call it either from the implementation of QWidget::setWindowRole() or after the creation of the corresponding QWidgetWindow. Change-Id: I143450f4673dd707bb491c1d0f0e8b61d564283d Task-number: QTBUG-45484 --- .../xcbfunctions/qxcbwindowfunctions.h | 8 ++++++++ src/plugins/platforms/xcb/qxcbnativeinterface.cpp | 3 +++ src/plugins/platforms/xcb/qxcbwindow.cpp | 21 +++++++++++++++++++++ src/plugins/platforms/xcb/qxcbwindow.h | 2 ++ src/widgets/kernel/qwidget.cpp | 11 ++++++----- 5 files changed, 40 insertions(+), 5 deletions(-) diff --git a/src/platformheaders/xcbfunctions/qxcbwindowfunctions.h b/src/platformheaders/xcbfunctions/qxcbwindowfunctions.h index 0db2e2a..97e0e1c 100644 --- a/src/platformheaders/xcbfunctions/qxcbwindowfunctions.h +++ b/src/platformheaders/xcbfunctions/qxcbwindowfunctions.h @@ -69,6 +69,14 @@ public: return QPlatformHeaderHelper::callPlatformFunction(setWmWindowTypeIdentifier(), window, type); } + typedef void (*SetWmWindowRole)(QWindow *window, const QByteArray &role); + static const QByteArray setWmWindowRoleIdentifier() { return QByteArrayLiteral("XcbSetWmWindowRole"); } + + static void setWmWindowRole(QWindow *window, const QByteArray &role) + { + return QPlatformHeaderHelper::callPlatformFunction(setWmWindowRoleIdentifier(), window, role); + } + typedef void (*SetWmWindowIconText)(QWindow *window, const QString &text); static const QByteArray setWmWindowIconTextIdentifier() { return QByteArrayLiteral("XcbSetWmWindowIconText"); } static void setWmWindowIconText(QWindow *window, const QString &text) diff --git a/src/plugins/platforms/xcb/qxcbnativeinterface.cpp b/src/plugins/platforms/xcb/qxcbnativeinterface.cpp index dfb0a12..3685d5c 100644 --- a/src/plugins/platforms/xcb/qxcbnativeinterface.cpp +++ b/src/plugins/platforms/xcb/qxcbnativeinterface.cpp @@ -349,6 +349,9 @@ QFunctionPointer QXcbNativeInterface::platformFunction(const QByteArray &functio if (function == QXcbWindowFunctions::setWmWindowTypeIdentifier()) return QFunctionPointer(QXcbWindowFunctions::SetWmWindowType(QXcbWindow::setWmWindowTypeStatic)); + if (function == QXcbWindowFunctions::setWmWindowRoleIdentifier()) + return QFunctionPointer(QXcbWindowFunctions::SetWmWindowRole(QXcbWindow::setWmWindowRoleStatic)); + if (function == QXcbWindowFunctions::setWmWindowIconTextIdentifier()) return QFunctionPointer(QXcbWindowFunctions::SetWmWindowIconText(QXcbWindow::setWindowIconTextStatic)); diff --git a/src/plugins/platforms/xcb/qxcbwindow.cpp b/src/plugins/platforms/xcb/qxcbwindow.cpp index d751c6d..557f143 100644 --- a/src/plugins/platforms/xcb/qxcbwindow.cpp +++ b/src/plugins/platforms/xcb/qxcbwindow.cpp @@ -262,6 +262,7 @@ static inline XTextProperty* qstringToXTP(Display *dpy, const QString& s) #endif // XCB_USE_XLIB static const char *wm_window_type_property_id = "_q_xcb_wm_window_type"; +static const char *wm_window_role_property_id = "_q_xcb_wm_window_role"; QXcbWindow::QXcbWindow(QWindow *window) : QPlatformWindow(window) @@ -594,6 +595,11 @@ void QXcbWindow::create() setOpacity(opacity); if (window()->isTopLevel()) setWindowIcon(window()->icon()); + + if (window()->dynamicPropertyNames().contains(wm_window_role_property_id)) { + QByteArray wmWindowRole = window()->property(wm_window_role_property_id).toByteArray(); + setWmWindowRole(wmWindowRole); + } } QXcbWindow::~QXcbWindow() @@ -1640,6 +1646,14 @@ void QXcbWindow::setWindowIconTextStatic(QWindow *window, const QString &text) static_cast(window->handle())->setWindowIconText(text); } +void QXcbWindow::setWmWindowRoleStatic(QWindow *window, const QByteArray &role) +{ + if (window->handle()) + static_cast(window->handle())->setWmWindowRole(role); + else + window->setProperty(wm_window_role_property_id, role); +} + uint QXcbWindow::visualIdStatic(QWindow *window) { if (window && window->handle()) @@ -1805,6 +1819,13 @@ void QXcbWindow::setWmWindowType(QXcbWindowFunctions::WmWindowTypes types, Qt::W xcb_flush(xcb_connection()); } +void QXcbWindow::setWmWindowRole(const QByteArray &role) +{ + Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window, + atom(QXcbAtom::WM_WINDOW_ROLE), XCB_ATOM_STRING, 8, + role.size(), role.constData())); +} + void QXcbWindow::setParentRelativeBackPixmapStatic(QWindow *window) { if (window->handle()) diff --git a/src/plugins/platforms/xcb/qxcbwindow.h b/src/plugins/platforms/xcb/qxcbwindow.h index 8968664..ebbe5e2 100644 --- a/src/plugins/platforms/xcb/qxcbwindow.h +++ b/src/plugins/platforms/xcb/qxcbwindow.h @@ -141,10 +141,12 @@ public: void updateNetWmUserTime(xcb_timestamp_t timestamp); static void setWmWindowTypeStatic(QWindow *window, QXcbWindowFunctions::WmWindowTypes windowTypes); + static void setWmWindowRoleStatic(QWindow *window, const QByteArray &role); static uint visualIdStatic(QWindow *window); QXcbWindowFunctions::WmWindowTypes wmWindowTypes() const; void setWmWindowType(QXcbWindowFunctions::WmWindowTypes types, Qt::WindowFlags flags); + void setWmWindowRole(const QByteArray &role); static void setWindowIconTextStatic(QWindow *window, const QString &text); diff --git a/src/widgets/kernel/qwidget.cpp b/src/widgets/kernel/qwidget.cpp index 2c9cc5c..29f2b1c 100644 --- a/src/widgets/kernel/qwidget.cpp +++ b/src/widgets/kernel/qwidget.cpp @@ -1459,6 +1459,9 @@ void QWidgetPrivate::create_sys(WId window, bool initializeWindow, bool destroyO data.window_flags = win->flags(); + if (!topData()->role.isNull()) + QXcbWindowFunctions::setWmWindowRole(win, topData()->role.toLatin1()); + QBackingStore *store = q->backingStore(); if (!store) { @@ -6284,13 +6287,11 @@ QString QWidget::windowRole() const */ void QWidget::setWindowRole(const QString &role) { -#if defined(Q_DEAD_CODE_FROM_QT4_X11) Q_D(QWidget); + d->createTLExtra(); d->topData()->role = role; - d->setWindowRole(); -#else - Q_UNUSED(role) -#endif + if (windowHandle()) + QXcbWindowFunctions::setWmWindowRole(windowHandle(), role.toLatin1()); } /*! -- 2.6.2.2.g1b5ffa3