1 /****************************************************************************
3 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/
6 ** This file is part of the plugins of the Qt Toolkit.
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** GNU Lesser General Public License Usage
10 ** This file may be used under the terms of the GNU Lesser General Public
11 ** License version 2.1 as published by the Free Software Foundation and
12 ** appearing in the file LICENSE.LGPL included in the packaging of this
13 ** file. Please review the following information to ensure the GNU Lesser
14 ** General Public License version 2.1 requirements will be met:
15 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
17 ** In addition, as a special exception, Nokia gives you certain additional
18 ** rights. These rights are described in the Nokia Qt LGPL Exception
19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
21 ** GNU General Public License Usage
22 ** Alternatively, this file may be used under the terms of the GNU General
23 ** Public License version 3.0 as published by the Free Software Foundation
24 ** and appearing in the file LICENSE.GPL included in the packaging of this
25 ** file. Please review the following information to ensure the GNU General
26 ** Public License version 3.0 requirements will be met:
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30 ** Alternatively, this file may be used in accordance with the terms and
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40 ****************************************************************************/
42 #include "qxcbwindow.h"
47 #include "qxcbconnection.h"
48 #include "qxcbscreen.h"
50 #include "qxcbkeyboard.h"
51 #include "qxcbwmsupport.h"
53 #include <qpa/qplatformintegration.h>
56 #include "qdri2context.h"
59 // FIXME This workaround can be removed for xcb-icccm > 3.8
60 #define class class_name
61 #include <xcb/xcb_icccm.h>
63 #include <xcb/xfixes.h>
65 // xcb-icccm 3.8 support
66 #ifdef XCB_ICCCM_NUM_WM_SIZE_HINTS_ELEMENTS
67 #define xcb_get_wm_hints_reply xcb_icccm_get_wm_hints_reply
68 #define xcb_get_wm_hints xcb_icccm_get_wm_hints
69 #define xcb_get_wm_hints_unchecked xcb_icccm_get_wm_hints_unchecked
70 #define xcb_set_wm_hints xcb_icccm_set_wm_hints
71 #define xcb_set_wm_normal_hints xcb_icccm_set_wm_normal_hints
72 #define xcb_size_hints_set_base_size xcb_icccm_size_hints_set_base_size
73 #define xcb_size_hints_set_max_size xcb_icccm_size_hints_set_max_size
74 #define xcb_size_hints_set_min_size xcb_icccm_size_hints_set_min_size
75 #define xcb_size_hints_set_position xcb_icccm_size_hints_set_position
76 #define xcb_size_hints_set_resize_inc xcb_icccm_size_hints_set_resize_inc
77 #define xcb_size_hints_set_size xcb_icccm_size_hints_set_size
78 #define xcb_size_hints_set_win_gravity xcb_icccm_size_hints_set_win_gravity
79 #define xcb_wm_hints_set_iconic xcb_icccm_wm_hints_set_iconic
80 #define xcb_wm_hints_set_normal xcb_icccm_wm_hints_set_normal
81 #define xcb_wm_hints_set_input xcb_icccm_wm_hints_set_input
82 #define xcb_wm_hints_t xcb_icccm_wm_hints_t
83 #define XCB_WM_STATE_ICONIC XCB_ICCCM_WM_STATE_ICONIC
84 #define XCB_WM_STATE_WITHDRAWN XCB_ICCCM_WM_STATE_WITHDRAWN
87 #include <private/qguiapplication_p.h>
88 #include <private/qwindow_p.h>
90 #include <qpa/qplatformbackingstore.h>
91 #include <QtGui/QWindowSystemInterface>
97 #include <X11/Xutil.h>
100 #ifdef XCB_USE_XINPUT2_MAEMO
101 #include <X11/extensions/XInput2.h>
104 #if defined(XCB_USE_GLX)
105 #include "qglxintegration.h"
106 #include <QtPlatformSupport/private/qglxconvenience_p.h>
107 #elif defined(XCB_USE_EGL)
108 #include "qxcbeglsurface.h"
109 #include <QtPlatformSupport/private/qeglconvenience_p.h>
110 #include <QtPlatformSupport/private/qxlibeglintegration_p.h>
113 #define XCOORD_MAX 16383
115 //#ifdef NET_WM_STATE_DEBUG
119 // Returns true if we should set WM_TRANSIENT_FOR on \a w
120 static inline bool isTransient(const QWindow *w)
122 return w->windowType() == Qt::Dialog
123 || w->windowType() == Qt::Sheet
124 || w->windowType() == Qt::Tool
125 || w->windowType() == Qt::SplashScreen
126 || w->windowType() == Qt::ToolTip
127 || w->windowType() == Qt::Drawer
128 || w->windowType() == Qt::Popup;
131 static inline QImage::Format imageFormatForDepth(int depth)
134 case 32: return QImage::Format_ARGB32_Premultiplied;
135 case 24: return QImage::Format_RGB32;
136 case 16: return QImage::Format_RGB16;
137 default: return QImage::Format_Invalid;
141 static inline bool positionIncludesFrame(QWindow *w)
143 return qt_window_private(w)->positionPolicy == QWindowPrivate::WindowFrameInclusive;
146 QXcbWindow::QXcbWindow(QWindow *window)
147 : QPlatformWindow(window)
150 , m_gravity(XCB_GRAVITY_STATIC)
152 , m_transparent(false)
153 , m_deferredActivation(false)
154 , m_netWmUserTimeWindow(XCB_NONE)
155 #if defined(XCB_USE_EGL)
158 , m_lastWindowStateEvent(-1)
160 m_screen = static_cast<QXcbScreen *>(window->screen()->handle());
162 setConnection(m_screen->connection());
167 void QXcbWindow::create()
171 m_deferredExpose = false;
172 m_configureNotifyPending = true;
173 m_windowState = Qt::WindowNoState;
175 Qt::WindowType type = window()->windowType();
177 if (type == Qt::Desktop) {
178 m_window = m_screen->root();
179 m_depth = m_screen->screen()->root_depth;
180 m_imageFormat = imageFormatForDepth(m_depth);
181 connection()->addWindow(m_window, this);
185 // Determine gravity from initial position. Do not change
186 // later as it will cause the window to move uncontrollably.
187 m_gravity = positionIncludesFrame(window()) ?
188 XCB_GRAVITY_NORTH_WEST : XCB_GRAVITY_STATIC;
190 const quint32 mask = XCB_CW_BACK_PIXMAP | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_SAVE_UNDER | XCB_CW_EVENT_MASK;
191 const quint32 values[] = {
192 // XCB_CW_BACK_PIXMAP
194 // XCB_CW_OVERRIDE_REDIRECT
195 type == Qt::Popup || type == Qt::ToolTip,
197 type == Qt::Popup || type == Qt::Tool || type == Qt::SplashScreen || type == Qt::ToolTip || type == Qt::Drawer,
199 XCB_EVENT_MASK_EXPOSURE
200 | XCB_EVENT_MASK_STRUCTURE_NOTIFY
201 | XCB_EVENT_MASK_KEY_PRESS
202 | XCB_EVENT_MASK_KEY_RELEASE
203 | XCB_EVENT_MASK_BUTTON_PRESS
204 | XCB_EVENT_MASK_BUTTON_RELEASE
205 | XCB_EVENT_MASK_BUTTON_MOTION
206 | XCB_EVENT_MASK_ENTER_WINDOW
207 | XCB_EVENT_MASK_LEAVE_WINDOW
208 | XCB_EVENT_MASK_POINTER_MOTION
209 | XCB_EVENT_MASK_PROPERTY_CHANGE
210 | XCB_EVENT_MASK_FOCUS_CHANGE
213 // Parameters to XCreateWindow() are frame corner + inner size.
214 // This fits in case position policy is frame inclusive. There is
215 // currently no way to implement it for frame-exclusive geometries.
216 QRect rect = window()->geometry();
217 QPlatformWindow::setGeometry(rect);
219 rect.setWidth(qBound(1, rect.width(), XCOORD_MAX));
220 rect.setHeight(qBound(1, rect.height(), XCOORD_MAX));
222 xcb_window_t xcb_parent_id = m_screen->root();
224 xcb_parent_id = static_cast<QXcbWindow *>(parent())->xcb_window();
226 m_format = window()->requestedFormat();
228 #if (defined(XCB_USE_GLX) || defined(XCB_USE_EGL)) && defined(XCB_USE_XLIB)
229 if (QGuiApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::OpenGL)
230 || m_format.hasAlpha())
232 #if defined(XCB_USE_GLX)
233 XVisualInfo *visualInfo = qglx_findVisualInfo(DISPLAY_FROM_XCB(m_screen), m_screen->screenNumber(), &m_format);
235 qFatal("Could not initialize GLX");
236 #elif defined(XCB_USE_EGL)
237 EGLDisplay eglDisplay = connection()->egl_display();
238 EGLConfig eglConfig = q_configFromGLFormat(eglDisplay, m_format, true);
239 m_format = q_glFormatFromConfig(eglDisplay, eglConfig);
241 VisualID id = QXlibEglIntegration::getCompatibleVisualId(DISPLAY_FROM_XCB(this), eglDisplay, eglConfig);
243 XVisualInfo visualInfoTemplate;
244 memset(&visualInfoTemplate, 0, sizeof(XVisualInfo));
245 visualInfoTemplate.visualid = id;
247 XVisualInfo *visualInfo;
248 int matchingCount = 0;
249 visualInfo = XGetVisualInfo(DISPLAY_FROM_XCB(this), VisualIDMask, &visualInfoTemplate, &matchingCount);
251 qFatal("Could not initialize EGL");
253 m_depth = visualInfo->depth;
254 m_imageFormat = imageFormatForDepth(m_depth);
255 Colormap cmap = XCreateColormap(DISPLAY_FROM_XCB(this), xcb_parent_id, visualInfo->visual, AllocNone);
257 XSetWindowAttributes a;
258 a.background_pixel = WhitePixel(DISPLAY_FROM_XCB(this), m_screen->screenNumber());
259 a.border_pixel = BlackPixel(DISPLAY_FROM_XCB(this), m_screen->screenNumber());
262 m_visualId = visualInfo->visualid;
264 m_window = XCreateWindow(DISPLAY_FROM_XCB(this), xcb_parent_id, rect.x(), rect.y(), rect.width(), rect.height(),
265 0, visualInfo->depth, InputOutput, visualInfo->visual,
266 CWBackPixel|CWBorderPixel|CWColormap, &a);
270 #endif //defined(XCB_USE_GLX) || defined(XCB_USE_EGL)
272 m_window = xcb_generate_id(xcb_connection());
273 m_depth = m_screen->screen()->root_depth;
274 m_imageFormat = imageFormatForDepth(m_depth);
275 m_visualId = m_screen->screen()->root_visual;
277 Q_XCB_CALL(xcb_create_window(xcb_connection(),
278 XCB_COPY_FROM_PARENT, // depth -- same as root
279 m_window, // window id
280 xcb_parent_id, // parent window id
286 XCB_WINDOW_CLASS_INPUT_OUTPUT, // window class
287 m_visualId, // visual
292 connection()->addWindow(m_window, this);
294 Q_XCB_CALL(xcb_change_window_attributes(xcb_connection(), m_window, mask, values));
296 propagateSizeHints();
298 xcb_atom_t properties[4];
299 int propertyCount = 0;
300 properties[propertyCount++] = atom(QXcbAtom::WM_DELETE_WINDOW);
301 properties[propertyCount++] = atom(QXcbAtom::WM_TAKE_FOCUS);
302 properties[propertyCount++] = atom(QXcbAtom::_NET_WM_PING);
304 if (m_screen->syncRequestSupported())
305 properties[propertyCount++] = atom(QXcbAtom::_NET_WM_SYNC_REQUEST);
307 if (window()->windowFlags() & Qt::WindowContextHelpButtonHint)
308 properties[propertyCount++] = atom(QXcbAtom::_NET_WM_CONTEXT_HELP);
310 Q_XCB_CALL(xcb_change_property(xcb_connection(),
311 XCB_PROP_MODE_REPLACE,
313 atom(QXcbAtom::WM_PROTOCOLS),
321 if (m_screen->syncRequestSupported()) {
322 m_syncCounter = xcb_generate_id(xcb_connection());
323 Q_XCB_CALL(xcb_sync_create_counter(xcb_connection(), m_syncCounter, m_syncValue));
325 Q_XCB_CALL(xcb_change_property(xcb_connection(),
326 XCB_PROP_MODE_REPLACE,
328 atom(QXcbAtom::_NET_WM_SYNC_REQUEST_COUNTER),
335 // set the PID to let the WM kill the application if unresponsive
337 Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
338 atom(QXcbAtom::_NET_WM_PID), XCB_ATOM_CARDINAL, 32,
341 xcb_wm_hints_t hints;
342 memset(&hints, 0, sizeof(hints));
343 xcb_wm_hints_set_normal(&hints);
345 xcb_wm_hints_set_input(&hints, !(window()->windowFlags() & Qt::WindowDoesNotAcceptFocus));
347 xcb_set_wm_hints(xcb_connection(), m_window, &hints);
349 xcb_window_t leader = m_screen->clientLeader();
350 Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
351 atom(QXcbAtom::WM_CLIENT_LEADER), XCB_ATOM_WINDOW, 32,
354 #ifdef XCB_USE_XINPUT2_MAEMO
355 if (connection()->isUsingXInput2()) {
356 XIEventMask xieventmask;
357 uchar bitmask[2] = { 0, 0 };
359 xieventmask.deviceid = XIAllMasterDevices;
360 xieventmask.mask = bitmask;
361 xieventmask.mask_len = sizeof(bitmask);
363 XISetMask(bitmask, XI_ButtonPress);
364 XISetMask(bitmask, XI_ButtonRelease);
365 XISetMask(bitmask, XI_Motion);
367 XISelectEvents(DISPLAY_FROM_XCB(this), m_window, &xieventmask, 1);
371 setWindowFlags(window()->windowFlags());
372 setWindowTitle(window()->windowTitle());
373 setWindowState(window()->windowState());
375 if (window()->windowFlags() & Qt::WindowTransparentForInput)
376 setTransparentForMouseEvents(true);
378 connection()->drag()->dndEnable(this, true);
381 QXcbWindow::~QXcbWindow()
386 void QXcbWindow::destroy()
388 if (m_syncCounter && m_screen->syncRequestSupported())
389 Q_XCB_CALL(xcb_sync_destroy_counter(xcb_connection(), m_syncCounter));
391 if (m_netWmUserTimeWindow) {
392 xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_NET_WM_USER_TIME_WINDOW));
393 // Some window managers, like metacity, do XSelectInput on the _NET_WM_USER_TIME_WINDOW window,
394 // without trapping BadWindow (which crashes when the user time window is destroyed).
395 connection()->sync();
396 xcb_destroy_window(xcb_connection(), m_netWmUserTimeWindow);
397 m_netWmUserTimeWindow = XCB_NONE;
399 connection()->removeWindow(m_window);
400 Q_XCB_CALL(xcb_destroy_window(xcb_connection(), m_window));
404 #if defined(XCB_USE_EGL)
410 void QXcbWindow::setGeometry(const QRect &rect)
412 QPlatformWindow::setGeometry(rect);
414 propagateSizeHints();
415 const QRect wmGeometry = windowToWmGeometry(rect);
417 const quint32 mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y | XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT;
418 const qint32 values[] = {
419 qBound<qint32>(-XCOORD_MAX, wmGeometry.x(), XCOORD_MAX),
420 qBound<qint32>(-XCOORD_MAX, wmGeometry.y(), XCOORD_MAX),
421 qBound<qint32>(1, wmGeometry.width(), XCOORD_MAX),
422 qBound<qint32>(1, wmGeometry.height(), XCOORD_MAX),
425 Q_XCB_CALL(xcb_configure_window(xcb_connection(), m_window, mask, reinterpret_cast<const quint32*>(values)));
427 xcb_flush(xcb_connection());
430 QMargins QXcbWindow::frameMargins() const
432 if (m_dirtyFrameMargins) {
433 xcb_window_t window = m_window;
434 xcb_window_t parent = m_window;
436 bool foundRoot = false;
438 const QVector<xcb_window_t> &virtualRoots =
439 connection()->wmSupport()->virtualRoots();
442 xcb_query_tree_cookie_t cookie = xcb_query_tree_unchecked(xcb_connection(), parent);
444 xcb_query_tree_reply_t *reply = xcb_query_tree_reply(xcb_connection(), cookie, NULL);
446 if (reply->root == reply->parent || virtualRoots.indexOf(reply->parent) != -1) {
450 parent = reply->parent;
455 m_dirtyFrameMargins = false;
456 m_frameMargins = QMargins();
457 return m_frameMargins;
463 xcb_translate_coordinates_reply_t *reply =
464 xcb_translate_coordinates_reply(
466 xcb_translate_coordinates(xcb_connection(), window, parent, 0, 0),
470 offset = QPoint(reply->dst_x, reply->dst_y);
474 xcb_get_geometry_reply_t *geom =
475 xcb_get_geometry_reply(
477 xcb_get_geometry(xcb_connection(), parent),
482 // add the border_width for the window managers frame... some window managers
483 // do not use a border_width of zero for their frames, and if we the left and
484 // top strut, we ensure that pos() is absolutely correct. frameGeometry()
485 // will still be incorrect though... perhaps i should have foffset as well, to
486 // indicate the frame offset (equal to the border_width on X).
488 // -- copied from qwidget_x11.cpp
490 int left = offset.x() + geom->border_width;
491 int top = offset.y() + geom->border_width;
492 int right = geom->width + geom->border_width - geometry().width() - offset.x();
493 int bottom = geom->height + geom->border_width - geometry().height() - offset.y();
495 m_frameMargins = QMargins(left, top, right, bottom);
500 m_dirtyFrameMargins = false;
503 return m_frameMargins;
506 void QXcbWindow::setVisible(bool visible)
514 void QXcbWindow::show()
516 if (window()->isTopLevel()) {
517 xcb_get_property_cookie_t cookie = xcb_get_wm_hints_unchecked(xcb_connection(), m_window);
519 xcb_wm_hints_t hints;
520 xcb_get_wm_hints_reply(xcb_connection(), cookie, &hints, NULL);
522 if (window()->windowState() & Qt::WindowMinimized)
523 xcb_wm_hints_set_iconic(&hints);
525 xcb_wm_hints_set_normal(&hints);
527 xcb_wm_hints_set_input(&hints, !(window()->windowFlags() & Qt::WindowDoesNotAcceptFocus));
529 xcb_set_wm_hints(xcb_connection(), m_window, &hints);
531 // update WM_NORMAL_HINTS
532 propagateSizeHints();
534 // update WM_TRANSIENT_FOR
535 if (window()->transientParent() && isTransient(window())) {
536 QXcbWindow *transientXcbParent = static_cast<QXcbWindow *>(window()->transientParent()->handle());
537 if (transientXcbParent) {
539 xcb_window_t parentWindow = transientXcbParent->xcb_window();
541 // todo: set transient for group (wm_client_leader) if no parent, a la qwidget_x11.cpp
542 Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
543 XCB_ATOM_WM_TRANSIENT_FOR, XCB_ATOM_WINDOW, 32,
548 // update _MOTIF_WM_HINTS
549 updateMotifWmHintsBeforeMap();
551 // update _NET_WM_STATE
552 updateNetWmStateBeforeMap();
555 if (connection()->time() != XCB_TIME_CURRENT_TIME)
556 updateNetWmUserTime(connection()->time());
558 Q_XCB_CALL(xcb_map_window(xcb_connection(), m_window));
559 xcb_flush(xcb_connection());
561 connection()->sync();
564 void QXcbWindow::hide()
566 Q_XCB_CALL(xcb_unmap_window(xcb_connection(), m_window));
568 // send synthetic UnmapNotify event according to icccm 4.1.4
569 xcb_unmap_notify_event_t event;
570 event.response_type = XCB_UNMAP_NOTIFY;
571 event.event = m_screen->root();
572 event.window = m_window;
573 event.from_configure = false;
574 Q_XCB_CALL(xcb_send_event(xcb_connection(), false, m_screen->root(),
575 XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *)&event));
577 xcb_flush(xcb_connection());
582 struct QtMotifWmHints {
583 quint32 flags, functions, decorations;
589 MWM_HINTS_FUNCTIONS = (1L << 0),
591 MWM_FUNC_ALL = (1L << 0),
592 MWM_FUNC_RESIZE = (1L << 1),
593 MWM_FUNC_MOVE = (1L << 2),
594 MWM_FUNC_MINIMIZE = (1L << 3),
595 MWM_FUNC_MAXIMIZE = (1L << 4),
596 MWM_FUNC_CLOSE = (1L << 5),
598 MWM_HINTS_DECORATIONS = (1L << 1),
600 MWM_DECOR_ALL = (1L << 0),
601 MWM_DECOR_BORDER = (1L << 1),
602 MWM_DECOR_RESIZEH = (1L << 2),
603 MWM_DECOR_TITLE = (1L << 3),
604 MWM_DECOR_MENU = (1L << 4),
605 MWM_DECOR_MINIMIZE = (1L << 5),
606 MWM_DECOR_MAXIMIZE = (1L << 6),
608 MWM_HINTS_INPUT_MODE = (1L << 2),
610 MWM_INPUT_MODELESS = 0L,
611 MWM_INPUT_PRIMARY_APPLICATION_MODAL = 1L,
612 MWM_INPUT_FULL_APPLICATION_MODAL = 3L
615 static QtMotifWmHints getMotifWmHints(QXcbConnection *c, xcb_window_t window)
617 QtMotifWmHints hints;
619 xcb_get_property_cookie_t get_cookie =
620 xcb_get_property_unchecked(c->xcb_connection(), 0, window, c->atom(QXcbAtom::_MOTIF_WM_HINTS),
621 c->atom(QXcbAtom::_MOTIF_WM_HINTS), 0, 20);
623 xcb_get_property_reply_t *reply =
624 xcb_get_property_reply(c->xcb_connection(), get_cookie, NULL);
626 if (reply && reply->format == 32 && reply->type == c->atom(QXcbAtom::_MOTIF_WM_HINTS)) {
627 hints = *((QtMotifWmHints *)xcb_get_property_value(reply));
630 hints.functions = MWM_FUNC_ALL;
631 hints.decorations = MWM_DECOR_ALL;
632 hints.input_mode = 0L;
641 static void setMotifWmHints(QXcbConnection *c, xcb_window_t window, const QtMotifWmHints &hints)
643 if (hints.flags != 0l) {
644 Q_XCB_CALL2(xcb_change_property(c->xcb_connection(),
645 XCB_PROP_MODE_REPLACE,
647 c->atom(QXcbAtom::_MOTIF_WM_HINTS),
648 c->atom(QXcbAtom::_MOTIF_WM_HINTS),
653 Q_XCB_CALL2(xcb_delete_property(c->xcb_connection(), window, c->atom(QXcbAtom::_MOTIF_WM_HINTS)), c);
657 QXcbWindow::NetWmStates QXcbWindow::netWmStates()
659 NetWmStates result(0);
661 xcb_get_property_cookie_t get_cookie =
662 xcb_get_property_unchecked(xcb_connection(), 0, m_window, atom(QXcbAtom::_NET_WM_STATE),
663 XCB_ATOM_ATOM, 0, 1024);
665 xcb_get_property_reply_t *reply =
666 xcb_get_property_reply(xcb_connection(), get_cookie, NULL);
668 if (reply && reply->format == 32 && reply->type == XCB_ATOM_ATOM) {
669 const xcb_atom_t *states = static_cast<const xcb_atom_t *>(xcb_get_property_value(reply));
670 const xcb_atom_t *statesEnd = states + reply->length;
671 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_ABOVE)))
672 result |= NetWmStateAbove;
673 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_BELOW)))
674 result |= NetWmStateBelow;
675 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN)))
676 result |= NetWmStateFullScreen;
677 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ)))
678 result |= NetWmStateMaximizedHorz;
679 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT)))
680 result |= NetWmStateMaximizedVert;
681 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_MODAL)))
682 result |= NetWmStateModal;
683 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_STAYS_ON_TOP)))
684 result |= NetWmStateStaysOnTop;
685 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_DEMANDS_ATTENTION)))
686 result |= NetWmStateDemandsAttention;
689 #ifdef NET_WM_STATE_DEBUG
690 printf("getting net wm state (%x), empty\n", m_window);
697 void QXcbWindow::setNetWmStates(NetWmStates states)
699 QVector<xcb_atom_t> atoms;
700 if (states & NetWmStateAbove)
701 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_ABOVE));
702 if (states & NetWmStateBelow)
703 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_BELOW));
704 if (states & NetWmStateFullScreen)
705 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN));
706 if (states & NetWmStateMaximizedHorz)
707 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ));
708 if (states & NetWmStateMaximizedVert)
709 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT));
710 if (states & NetWmStateModal)
711 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_MODAL));
712 if (states & NetWmStateStaysOnTop)
713 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_STAYS_ON_TOP));
714 if (states & NetWmStateDemandsAttention)
715 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_DEMANDS_ATTENTION));
717 if (atoms.isEmpty()) {
718 Q_XCB_CALL(xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_NET_WM_STATE)));
720 Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
721 atom(QXcbAtom::_NET_WM_STATE), XCB_ATOM_ATOM, 32,
722 atoms.count(), atoms.constData()));
724 xcb_flush(xcb_connection());
727 Qt::WindowFlags QXcbWindow::setWindowFlags(Qt::WindowFlags flags)
729 Qt::WindowType type = static_cast<Qt::WindowType>(int(flags & Qt::WindowType_Mask));
731 if (type == Qt::ToolTip)
732 flags |= Qt::WindowStaysOnTopHint | Qt::FramelessWindowHint | Qt::X11BypassWindowManagerHint;
733 if (type == Qt::Popup)
734 flags |= Qt::X11BypassWindowManagerHint;
736 if (flags & Qt::WindowTransparentForInput) {
737 uint32_t mask = XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_VISIBILITY_CHANGE
738 | XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_RESIZE_REDIRECT
739 | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT
740 | XCB_EVENT_MASK_FOCUS_CHANGE | XCB_EVENT_MASK_PROPERTY_CHANGE
741 | XCB_EVENT_MASK_COLOR_MAP_CHANGE | XCB_EVENT_MASK_OWNER_GRAB_BUTTON;
742 xcb_change_window_attributes(xcb_connection(), xcb_window(), XCB_CW_EVENT_MASK, &mask);
745 setNetWmWindowFlags(flags);
746 setMotifWindowFlags(flags);
748 setTransparentForMouseEvents(flags & Qt::WindowTransparentForInput);
749 updateDoesNotAcceptFocus(flags & Qt::WindowDoesNotAcceptFocus);
754 void QXcbWindow::setMotifWindowFlags(Qt::WindowFlags flags)
756 Qt::WindowType type = static_cast<Qt::WindowType>(int(flags & Qt::WindowType_Mask));
758 QtMotifWmHints mwmhints;
760 mwmhints.functions = 0L;
761 mwmhints.decorations = 0;
762 mwmhints.input_mode = 0L;
763 mwmhints.status = 0L;
765 if (type != Qt::SplashScreen) {
766 mwmhints.flags |= MWM_HINTS_DECORATIONS;
768 bool customize = flags & Qt::CustomizeWindowHint;
769 if (!(flags & Qt::FramelessWindowHint) && !(customize && !(flags & Qt::WindowTitleHint))) {
770 mwmhints.decorations |= MWM_DECOR_BORDER;
771 mwmhints.decorations |= MWM_DECOR_RESIZEH;
773 if (flags & Qt::WindowTitleHint)
774 mwmhints.decorations |= MWM_DECOR_TITLE;
776 if (flags & Qt::WindowSystemMenuHint)
777 mwmhints.decorations |= MWM_DECOR_MENU;
779 if (flags & Qt::WindowMinimizeButtonHint) {
780 mwmhints.decorations |= MWM_DECOR_MINIMIZE;
781 mwmhints.functions |= MWM_FUNC_MINIMIZE;
784 if (flags & Qt::WindowMaximizeButtonHint) {
785 mwmhints.decorations |= MWM_DECOR_MAXIMIZE;
786 mwmhints.functions |= MWM_FUNC_MAXIMIZE;
789 if (flags & Qt::WindowCloseButtonHint)
790 mwmhints.functions |= MWM_FUNC_CLOSE;
793 // if type == Qt::SplashScreen
794 mwmhints.decorations = MWM_DECOR_ALL;
797 if (mwmhints.functions != 0) {
798 mwmhints.flags |= MWM_HINTS_FUNCTIONS;
799 mwmhints.functions |= MWM_FUNC_MOVE | MWM_FUNC_RESIZE;
801 mwmhints.functions = MWM_FUNC_ALL;
804 if (!(flags & Qt::FramelessWindowHint)
805 && flags & Qt::CustomizeWindowHint
806 && flags & Qt::WindowTitleHint
808 (Qt::WindowMinimizeButtonHint
809 | Qt::WindowMaximizeButtonHint
810 | Qt::WindowCloseButtonHint)))
812 // a special case - only the titlebar without any button
813 mwmhints.flags = MWM_HINTS_FUNCTIONS;
814 mwmhints.functions = MWM_FUNC_MOVE | MWM_FUNC_RESIZE;
815 mwmhints.decorations = 0;
818 setMotifWmHints(connection(), m_window, mwmhints);
821 void QXcbWindow::changeNetWmState(bool set, xcb_atom_t one, xcb_atom_t two)
823 xcb_client_message_event_t event;
825 event.response_type = XCB_CLIENT_MESSAGE;
827 event.window = m_window;
828 event.type = atom(QXcbAtom::_NET_WM_STATE);
829 event.data.data32[0] = set ? 1 : 0;
830 event.data.data32[1] = one;
831 event.data.data32[2] = two;
832 event.data.data32[3] = 0;
833 event.data.data32[4] = 0;
835 Q_XCB_CALL(xcb_send_event(xcb_connection(), 0, m_screen->root(), XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *)&event));
838 Qt::WindowState QXcbWindow::setWindowState(Qt::WindowState state)
840 if (state == m_windowState)
844 switch (m_windowState) {
845 case Qt::WindowMinimized:
846 Q_XCB_CALL(xcb_map_window(xcb_connection(), m_window));
848 case Qt::WindowMaximized:
849 changeNetWmState(false,
850 atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ),
851 atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT));
853 case Qt::WindowFullScreen:
854 changeNetWmState(false, atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN));
862 case Qt::WindowMinimized:
864 xcb_client_message_event_t event;
866 event.response_type = XCB_CLIENT_MESSAGE;
868 event.window = m_window;
869 event.type = atom(QXcbAtom::WM_CHANGE_STATE);
870 event.data.data32[0] = XCB_WM_STATE_ICONIC;
871 event.data.data32[1] = 0;
872 event.data.data32[2] = 0;
873 event.data.data32[3] = 0;
874 event.data.data32[4] = 0;
876 Q_XCB_CALL(xcb_send_event(xcb_connection(), 0, m_screen->root(), XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *)&event));
879 case Qt::WindowMaximized:
880 changeNetWmState(true,
881 atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ),
882 atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT));
884 case Qt::WindowFullScreen:
885 changeNetWmState(true, atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN));
887 case Qt::WindowNoState:
893 connection()->sync();
895 m_windowState = state;
896 return m_windowState;
899 void QXcbWindow::setNetWmWindowFlags(Qt::WindowFlags flags)
901 // in order of decreasing priority
902 QVector<uint> windowTypes;
904 Qt::WindowType type = static_cast<Qt::WindowType>(int(flags & Qt::WindowType_Mask));
909 windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_DIALOG));
913 windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_UTILITY));
916 windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_TOOLTIP));
918 case Qt::SplashScreen:
919 windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_SPLASH));
925 if (flags & Qt::FramelessWindowHint)
926 windowTypes.append(atom(QXcbAtom::_KDE_NET_WM_WINDOW_TYPE_OVERRIDE));
928 windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_NORMAL));
930 Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
931 atom(QXcbAtom::_NET_WM_WINDOW_TYPE), XCB_ATOM_ATOM, 32,
932 windowTypes.count(), windowTypes.constData()));
935 void QXcbWindow::updateMotifWmHintsBeforeMap()
937 QtMotifWmHints mwmhints = getMotifWmHints(connection(), m_window);
939 if (window()->windowModality() != Qt::NonModal) {
940 switch (window()->windowModality()) {
941 case Qt::WindowModal:
942 mwmhints.input_mode = MWM_INPUT_PRIMARY_APPLICATION_MODAL;
944 case Qt::ApplicationModal:
946 mwmhints.input_mode = MWM_INPUT_FULL_APPLICATION_MODAL;
949 mwmhints.flags |= MWM_HINTS_INPUT_MODE;
951 mwmhints.input_mode = MWM_INPUT_MODELESS;
952 mwmhints.flags &= ~MWM_HINTS_INPUT_MODE;
955 if (window()->minimumSize() == window()->maximumSize()) {
956 // fixed size, remove the resize handle (since mwm/dtwm
957 // isn't smart enough to do it itself)
958 mwmhints.flags |= MWM_HINTS_FUNCTIONS;
959 if (mwmhints.functions == MWM_FUNC_ALL) {
960 mwmhints.functions = MWM_FUNC_MOVE;
962 mwmhints.functions &= ~MWM_FUNC_RESIZE;
965 if (mwmhints.decorations == MWM_DECOR_ALL) {
966 mwmhints.flags |= MWM_HINTS_DECORATIONS;
967 mwmhints.decorations = (MWM_DECOR_BORDER
971 mwmhints.decorations &= ~MWM_DECOR_RESIZEH;
975 if (window()->windowFlags() & Qt::WindowMinimizeButtonHint) {
976 mwmhints.flags |= MWM_HINTS_DECORATIONS;
977 mwmhints.decorations |= MWM_DECOR_MINIMIZE;
978 mwmhints.functions |= MWM_FUNC_MINIMIZE;
980 if (window()->windowFlags() & Qt::WindowMaximizeButtonHint) {
981 mwmhints.flags |= MWM_HINTS_DECORATIONS;
982 mwmhints.decorations |= MWM_DECOR_MAXIMIZE;
983 mwmhints.functions |= MWM_FUNC_MAXIMIZE;
985 if (window()->windowFlags() & Qt::WindowCloseButtonHint)
986 mwmhints.functions |= MWM_FUNC_CLOSE;
988 setMotifWmHints(connection(), m_window, mwmhints);
991 void QXcbWindow::updateNetWmStateBeforeMap()
993 NetWmStates states(0);
995 const Qt::WindowFlags flags = window()->windowFlags();
996 if (flags & Qt::WindowStaysOnTopHint) {
997 states |= NetWmStateAbove;
998 states |= NetWmStateStaysOnTop;
999 } else if (flags & Qt::WindowStaysOnBottomHint) {
1000 states |= NetWmStateBelow;
1003 if (window()->windowState() & Qt::WindowFullScreen)
1004 states |= NetWmStateFullScreen;
1006 if (window()->windowState() & Qt::WindowMaximized) {
1007 states |= NetWmStateMaximizedHorz;
1008 states |= NetWmStateMaximizedVert;
1011 if (window()->windowModality() != Qt::NonModal)
1012 states |= NetWmStateModal;
1014 setNetWmStates(states);
1017 void QXcbWindow::updateNetWmUserTime(xcb_timestamp_t timestamp)
1019 xcb_window_t wid = m_window;
1021 const bool isSupportedByWM = connection()->wmSupport()->isSupportedByWM(atom(QXcbAtom::_NET_WM_USER_TIME_WINDOW));
1022 if (m_netWmUserTimeWindow || isSupportedByWM) {
1023 if (!m_netWmUserTimeWindow) {
1024 m_netWmUserTimeWindow = xcb_generate_id(xcb_connection());
1025 Q_XCB_CALL(xcb_create_window(xcb_connection(),
1026 XCB_COPY_FROM_PARENT, // depth -- same as root
1027 m_netWmUserTimeWindow, // window id
1028 m_window, // parent window id
1031 XCB_WINDOW_CLASS_INPUT_OUTPUT, // window class
1032 m_visualId, // visual
1035 wid = m_netWmUserTimeWindow;
1036 xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window, atom(QXcbAtom::_NET_WM_USER_TIME_WINDOW),
1037 XCB_ATOM_WINDOW, 32, 1, &m_netWmUserTimeWindow);
1038 xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_NET_WM_USER_TIME));
1039 } else if (!isSupportedByWM) {
1040 // WM no longer supports it, then we should remove the
1041 // _NET_WM_USER_TIME_WINDOW atom.
1042 xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_NET_WM_USER_TIME_WINDOW));
1043 xcb_destroy_window(xcb_connection(), m_netWmUserTimeWindow);
1044 m_netWmUserTimeWindow = XCB_NONE;
1046 wid = m_netWmUserTimeWindow;
1049 xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, wid, atom(QXcbAtom::_NET_WM_USER_TIME),
1050 XCB_ATOM_CARDINAL, 32, 1, ×tamp);
1053 void QXcbWindow::setTransparentForMouseEvents(bool transparent)
1055 if (transparent == m_transparent)
1058 xcb_rectangle_t rectangle;
1060 xcb_rectangle_t *rect = 0;
1066 rectangle.width = geometry().width();
1067 rectangle.height = geometry().height();
1072 xcb_xfixes_region_t region = xcb_generate_id(xcb_connection());
1073 xcb_xfixes_create_region(xcb_connection(), region, nrect, rect);
1074 xcb_xfixes_set_window_shape_region_checked(xcb_connection(), m_window, XCB_SHAPE_SK_INPUT, 0, 0, region);
1075 xcb_xfixes_destroy_region(xcb_connection(), region);
1077 m_transparent = transparent;
1080 void QXcbWindow::updateDoesNotAcceptFocus(bool doesNotAcceptFocus)
1082 xcb_get_property_cookie_t cookie = xcb_get_wm_hints_unchecked(xcb_connection(), m_window);
1084 xcb_wm_hints_t hints;
1085 if (!xcb_get_wm_hints_reply(xcb_connection(), cookie, &hints, NULL)) {
1089 xcb_wm_hints_set_input(&hints, !doesNotAcceptFocus);
1090 xcb_set_wm_hints(xcb_connection(), m_window, &hints);
1093 WId QXcbWindow::winId() const
1098 void QXcbWindow::setParent(const QPlatformWindow *parent)
1100 // re-create for compatibility
1103 QPoint topLeft = geometry().topLeft();
1105 xcb_window_t xcb_parent_id = parent ? static_cast<const QXcbWindow *>(parent)->xcb_window() : m_screen->root();
1106 Q_XCB_CALL(xcb_reparent_window(xcb_connection(), xcb_window(), xcb_parent_id, topLeft.x(), topLeft.y()));
1109 void QXcbWindow::setWindowTitle(const QString &title)
1111 QByteArray ba = title.toUtf8();
1112 Q_XCB_CALL(xcb_change_property(xcb_connection(),
1113 XCB_PROP_MODE_REPLACE,
1115 atom(QXcbAtom::_NET_WM_NAME),
1116 atom(QXcbAtom::UTF8_STRING),
1122 void QXcbWindow::raise()
1124 const quint32 mask = XCB_CONFIG_WINDOW_STACK_MODE;
1125 const quint32 values[] = { XCB_STACK_MODE_ABOVE };
1126 Q_XCB_CALL(xcb_configure_window(xcb_connection(), m_window, mask, values));
1129 void QXcbWindow::lower()
1131 const quint32 mask = XCB_CONFIG_WINDOW_STACK_MODE;
1132 const quint32 values[] = { XCB_STACK_MODE_BELOW };
1133 Q_XCB_CALL(xcb_configure_window(xcb_connection(), m_window, mask, values));
1136 // Adapt the geometry to match the WM expection with regards
1138 QRect QXcbWindow::windowToWmGeometry(QRect r) const
1140 if (m_dirtyFrameMargins || m_frameMargins.isNull())
1142 const bool frameInclusive = positionIncludesFrame(window());
1143 // XCB_GRAVITY_STATIC requires the inner geometry, whereas
1144 // XCB_GRAVITY_NORTH_WEST requires the frame geometry
1145 if (frameInclusive && m_gravity == XCB_GRAVITY_STATIC) {
1146 r.translate(m_frameMargins.left(), m_frameMargins.top());
1147 } else if (!frameInclusive && m_gravity == XCB_GRAVITY_NORTH_WEST) {
1148 r.translate(-m_frameMargins.left(), -m_frameMargins.top());
1153 void QXcbWindow::propagateSizeHints()
1155 // update WM_NORMAL_HINTS
1156 xcb_size_hints_t hints;
1157 memset(&hints, 0, sizeof(hints));
1159 const QRect rect = windowToWmGeometry(geometry());
1161 QWindow *win = window();
1163 xcb_size_hints_set_position(&hints, true, rect.x(), rect.y());
1164 xcb_size_hints_set_size(&hints, true, rect.width(), rect.height());
1165 xcb_size_hints_set_win_gravity(&hints, m_gravity);
1167 QSize minimumSize = win->minimumSize();
1168 QSize maximumSize = win->maximumSize();
1169 QSize baseSize = win->baseSize();
1170 QSize sizeIncrement = win->sizeIncrement();
1172 if (minimumSize.width() > 0 || minimumSize.height() > 0)
1173 xcb_size_hints_set_min_size(&hints, minimumSize.width(), minimumSize.height());
1175 if (maximumSize.width() < QWINDOWSIZE_MAX || maximumSize.height() < QWINDOWSIZE_MAX)
1176 xcb_size_hints_set_max_size(&hints,
1177 qMin(XCOORD_MAX, maximumSize.width()),
1178 qMin(XCOORD_MAX, maximumSize.height()));
1180 if (sizeIncrement.width() > 0 || sizeIncrement.height() > 0) {
1181 xcb_size_hints_set_base_size(&hints, baseSize.width(), baseSize.height());
1182 xcb_size_hints_set_resize_inc(&hints, sizeIncrement.width(), sizeIncrement.height());
1185 xcb_set_wm_normal_hints(xcb_connection(), m_window, &hints);
1188 void QXcbWindow::requestActivateWindow()
1191 m_deferredActivation = true;
1194 m_deferredActivation = false;
1196 updateNetWmUserTime(connection()->time());
1198 if (window()->isTopLevel()
1199 && connection()->wmSupport()->isSupportedByWM(atom(QXcbAtom::_NET_ACTIVE_WINDOW))) {
1200 xcb_client_message_event_t event;
1202 event.response_type = XCB_CLIENT_MESSAGE;
1204 event.window = m_window;
1205 event.type = atom(QXcbAtom::_NET_ACTIVE_WINDOW);
1206 event.data.data32[0] = 1;
1207 event.data.data32[1] = connection()->time();
1208 QWindow *focusWindow = QGuiApplication::focusWindow();
1209 event.data.data32[2] = focusWindow ? focusWindow->winId() : XCB_NONE;
1210 event.data.data32[3] = 0;
1211 event.data.data32[4] = 0;
1213 Q_XCB_CALL(xcb_send_event(xcb_connection(), 0, m_screen->root(), XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *)&event));
1215 Q_XCB_CALL(xcb_set_input_focus(xcb_connection(), XCB_INPUT_FOCUS_PARENT, m_window, connection()->time()));
1218 connection()->sync();
1221 #if XCB_USE_MAEMO_WINDOW_PROPERTIES
1222 void QXcbWindow::handleContentOrientationChange(Qt::ScreenOrientation orientation)
1225 switch (orientation) {
1226 case Qt::PortraitOrientation: angle = 270; break;
1227 case Qt::LandscapeOrientation: angle = 0; break;
1228 case Qt::InvertedPortraitOrientation: angle = 90; break;
1229 case Qt::InvertedLandscapeOrientation: angle = 180; break;
1230 case Qt::PrimaryOrientation: break;
1232 Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
1233 atom(QXcbAtom::MeegoTouchOrientationAngle), XCB_ATOM_CARDINAL, 32,
1238 QSurfaceFormat QXcbWindow::format() const
1240 // ### return actual format
1244 #if defined(XCB_USE_EGL)
1245 QXcbEGLSurface *QXcbWindow::eglSurface() const
1247 if (!m_eglSurface) {
1248 EGLDisplay display = connection()->egl_display();
1249 EGLConfig config = q_configFromGLFormat(display, window()->requestedFormat(), true);
1250 EGLSurface surface = eglCreateWindowSurface(display, config, (EGLNativeWindowType)m_window, 0);
1252 m_eglSurface = new QXcbEGLSurface(display, surface);
1255 return m_eglSurface;
1259 void QXcbWindow::handleExposeEvent(const xcb_expose_event_t *event)
1261 QRect rect(event->x, event->y, event->width, event->height);
1263 if (m_exposeRegion.isEmpty())
1264 m_exposeRegion = rect;
1266 m_exposeRegion |= rect;
1268 // if count is non-zero there are more expose events pending
1269 if (event->count == 0) {
1270 QWindowSystemInterface::handleExposeEvent(window(), m_exposeRegion);
1271 m_exposeRegion = QRegion();
1275 void QXcbWindow::handleClientMessageEvent(const xcb_client_message_event_t *event)
1277 if (event->format != 32)
1280 if (event->type == atom(QXcbAtom::WM_PROTOCOLS)) {
1281 if (event->data.data32[0] == atom(QXcbAtom::WM_DELETE_WINDOW)) {
1282 QWindowSystemInterface::handleCloseEvent(window());
1283 } else if (event->data.data32[0] == atom(QXcbAtom::WM_TAKE_FOCUS)) {
1284 connection()->setTime(event->data.data32[1]);
1285 } else if (event->data.data32[0] == atom(QXcbAtom::_NET_WM_PING)) {
1286 xcb_client_message_event_t reply = *event;
1288 reply.response_type = XCB_CLIENT_MESSAGE;
1289 reply.window = m_screen->root();
1291 xcb_send_event(xcb_connection(), 0, m_screen->root(), XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *)&reply);
1292 xcb_flush(xcb_connection());
1293 } else if (event->data.data32[0] == atom(QXcbAtom::_NET_WM_SYNC_REQUEST)) {
1294 connection()->setTime(event->data.data32[1]);
1295 m_syncValue.lo = event->data.data32[2];
1296 m_syncValue.hi = event->data.data32[3];
1298 qWarning() << "QXcbWindow: Unhandled WM_PROTOCOLS message:" << connection()->atomName(event->data.data32[0]);
1300 } else if (event->type == atom(QXcbAtom::XdndEnter)) {
1301 connection()->drag()->handleEnter(window(), event);
1302 } else if (event->type == atom(QXcbAtom::XdndPosition)) {
1303 connection()->drag()->handlePosition(window(), event);
1304 } else if (event->type == atom(QXcbAtom::XdndLeave)) {
1305 connection()->drag()->handleLeave(window(), event);
1306 } else if (event->type == atom(QXcbAtom::XdndDrop)) {
1307 connection()->drag()->handleDrop(window(), event);
1308 } else if (event->type == atom(QXcbAtom::_XEMBED)) { // QSystemTrayIcon
1310 qWarning() << "QXcbWindow: Unhandled client message:" << connection()->atomName(event->type);
1314 void QXcbWindow::handleConfigureNotifyEvent(const xcb_configure_notify_event_t *event)
1316 bool fromSendEvent = (event->response_type & 0x80);
1317 QPoint pos(event->x, event->y);
1318 if (!parent() && !fromSendEvent) {
1319 // Do not trust the position, query it instead.
1320 xcb_translate_coordinates_cookie_t cookie = xcb_translate_coordinates(xcb_connection(), xcb_window(),
1321 m_screen->root(), 0, 0);
1322 xcb_translate_coordinates_reply_t *reply = xcb_translate_coordinates_reply(xcb_connection(), cookie, NULL);
1324 pos.setX(reply->dst_x);
1325 pos.setY(reply->dst_y);
1330 QRect rect(pos, QSize(event->width, event->height));
1332 QPlatformWindow::setGeometry(rect);
1333 QWindowSystemInterface::handleGeometryChange(window(), rect);
1335 m_configureNotifyPending = false;
1337 if (m_deferredExpose) {
1338 m_deferredExpose = false;
1339 QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(), geometry().size()));
1342 m_dirtyFrameMargins = true;
1346 static_cast<QDri2Context *>(m_context)->resize(rect.size());
1350 bool QXcbWindow::isExposed() const
1355 void QXcbWindow::handleMapNotifyEvent(const xcb_map_notify_event_t *event)
1357 if (event->window == m_window) {
1359 if (m_deferredActivation)
1360 requestActivateWindow();
1361 if (m_configureNotifyPending)
1362 m_deferredExpose = true;
1364 QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(), geometry().size()));
1368 void QXcbWindow::handleUnmapNotifyEvent(const xcb_unmap_notify_event_t *event)
1370 if (event->window == m_window) {
1372 QWindowSystemInterface::handleExposeEvent(window(), QRegion());
1376 static Qt::MouseButtons translateMouseButtons(int s)
1378 Qt::MouseButtons ret = 0;
1379 if (s & XCB_BUTTON_MASK_1)
1380 ret |= Qt::LeftButton;
1381 if (s & XCB_BUTTON_MASK_2)
1382 ret |= Qt::MidButton;
1383 if (s & XCB_BUTTON_MASK_3)
1384 ret |= Qt::RightButton;
1388 static Qt::MouseButton translateMouseButton(xcb_button_t s)
1391 case 1: return Qt::LeftButton;
1392 case 2: return Qt::MidButton;
1393 case 3: return Qt::RightButton;
1394 // Button values 4-7 were already handled as Wheel events, and won't occur here.
1395 case 8: return Qt::BackButton; // Also known as Qt::ExtraButton1
1396 case 9: return Qt::ForwardButton; // Also known as Qt::ExtraButton2
1397 case 10: return Qt::ExtraButton3;
1398 case 11: return Qt::ExtraButton4;
1399 case 12: return Qt::ExtraButton5;
1400 case 13: return Qt::ExtraButton6;
1401 case 14: return Qt::ExtraButton7;
1402 case 15: return Qt::ExtraButton8;
1403 case 16: return Qt::ExtraButton9;
1404 case 17: return Qt::ExtraButton10;
1405 case 18: return Qt::ExtraButton11;
1406 case 19: return Qt::ExtraButton12;
1407 case 20: return Qt::ExtraButton13;
1408 case 21: return Qt::ExtraButton14;
1409 case 22: return Qt::ExtraButton15;
1410 case 23: return Qt::ExtraButton16;
1411 case 24: return Qt::ExtraButton17;
1412 case 25: return Qt::ExtraButton18;
1413 case 26: return Qt::ExtraButton19;
1414 case 27: return Qt::ExtraButton20;
1415 case 28: return Qt::ExtraButton21;
1416 case 29: return Qt::ExtraButton22;
1417 case 30: return Qt::ExtraButton23;
1418 case 31: return Qt::ExtraButton24;
1419 default: return Qt::NoButton;
1423 void QXcbWindow::handleButtonPressEvent(const xcb_button_press_event_t *event)
1425 updateNetWmUserTime(event->time);
1427 QPoint local(event->event_x, event->event_y);
1428 QPoint global(event->root_x, event->root_y);
1430 Qt::KeyboardModifiers modifiers = connection()->keyboard()->translateModifiers(event->state);
1432 if (event->detail >= 4 && event->detail <= 7) {
1433 // Logic borrowed from qapplication_x11.cpp
1434 int delta = 120 * ((event->detail == 4 || event->detail == 6) ? 1 : -1);
1435 bool hor = (((event->detail == 4 || event->detail == 5)
1436 && (modifiers & Qt::AltModifier))
1437 || (event->detail == 6 || event->detail == 7));
1439 QWindowSystemInterface::handleWheelEvent(window(), event->time,
1440 local, global, delta, hor ? Qt::Horizontal : Qt::Vertical, modifiers);
1444 handleMouseEvent(event->detail, event->state, event->time, local, global, modifiers);
1447 void QXcbWindow::handleButtonReleaseEvent(const xcb_button_release_event_t *event)
1449 QPoint local(event->event_x, event->event_y);
1450 QPoint global(event->root_x, event->root_y);
1451 Qt::KeyboardModifiers modifiers = connection()->keyboard()->translateModifiers(event->state);
1453 handleMouseEvent(event->detail, event->state, event->time, local, global, modifiers);
1456 void QXcbWindow::handleMotionNotifyEvent(const xcb_motion_notify_event_t *event)
1458 QPoint local(event->event_x, event->event_y);
1459 QPoint global(event->root_x, event->root_y);
1460 Qt::KeyboardModifiers modifiers = connection()->keyboard()->translateModifiers(event->state);
1462 handleMouseEvent(event->detail, event->state, event->time, local, global, modifiers);
1465 void QXcbWindow::handleMouseEvent(xcb_button_t detail, uint16_t state, xcb_timestamp_t time, const QPoint &local, const QPoint &global, Qt::KeyboardModifiers modifiers)
1467 connection()->setTime(time);
1469 Qt::MouseButtons buttons = translateMouseButtons(state);
1470 Qt::MouseButton button = translateMouseButton(detail);
1472 buttons ^= button; // X event uses state *before*, Qt uses state *after*
1474 QWindowSystemInterface::handleMouseEvent(window(), time, local, global, buttons, modifiers);
1477 void QXcbWindow::handleEnterNotifyEvent(const xcb_enter_notify_event_t *event)
1479 connection()->setTime(event->time);
1481 if ((event->mode != XCB_NOTIFY_MODE_NORMAL && event->mode != XCB_NOTIFY_MODE_UNGRAB)
1482 || event->detail == XCB_NOTIFY_DETAIL_VIRTUAL
1483 || event->detail == XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL)
1488 QWindowSystemInterface::handleEnterEvent(window());
1491 void QXcbWindow::handleLeaveNotifyEvent(const xcb_leave_notify_event_t *event)
1493 connection()->setTime(event->time);
1495 if ((event->mode != XCB_NOTIFY_MODE_NORMAL && event->mode != XCB_NOTIFY_MODE_UNGRAB)
1496 || event->detail == XCB_NOTIFY_DETAIL_INFERIOR)
1501 QWindowSystemInterface::handleLeaveEvent(window());
1504 void QXcbWindow::handlePropertyNotifyEvent(const xcb_property_notify_event_t *event)
1506 connection()->setTime(event->time);
1508 const bool propertyDeleted = event->state == XCB_PROPERTY_DELETE;
1509 const xcb_atom_t netWmStateAtom = atom(QXcbAtom::_NET_WM_STATE);
1510 const xcb_atom_t wmStateAtom = atom(QXcbAtom::WM_STATE);
1512 if (event->atom == netWmStateAtom || event->atom == wmStateAtom) {
1513 if (propertyDeleted)
1516 Qt::WindowState newState = Qt::WindowNoState;
1517 if (event->atom == wmStateAtom) { // WM_STATE: Quick check for 'Minimize'.
1518 const xcb_get_property_cookie_t get_cookie =
1519 xcb_get_property(xcb_connection(), 0, m_window, wmStateAtom,
1520 XCB_ATOM_ANY, 0, 1024);
1522 xcb_get_property_reply_t *reply =
1523 xcb_get_property_reply(xcb_connection(), get_cookie, NULL);
1525 if (reply && reply->format == 32 && reply->type == wmStateAtom) {
1526 const long *data = (const long *)xcb_get_property_value(reply);
1527 if (reply->length != 0 && XCB_WM_STATE_ICONIC == data[0])
1528 newState = Qt::WindowMinimized;
1531 } // WM_STATE: Quick check for 'Minimize'.
1532 if (newState != Qt::WindowMinimized) { // Something else changed, get _NET_WM_STATE.
1533 const NetWmStates states = netWmStates();
1534 if ((states & NetWmStateMaximizedHorz) && (states & NetWmStateMaximizedVert))
1535 newState = Qt::WindowMaximized;
1536 else if (states & NetWmStateFullScreen)
1537 newState = Qt::WindowFullScreen;
1539 // Send Window state, compress events in case other flags (modality, etc) are changed.
1540 if (m_lastWindowStateEvent != newState) {
1541 QWindowSystemInterface::handleWindowStateChanged(window(), newState);
1542 m_lastWindowStateEvent = newState;
1547 void QXcbWindow::handleFocusInEvent(const xcb_focus_in_event_t *)
1549 QWindowSystemInterface::handleWindowActivated(window());
1552 static bool focusInPeeker(xcb_generic_event_t *event)
1555 // FocusIn event is not in the queue, proceed with FocusOut normally.
1556 QWindowSystemInterface::handleWindowActivated(0);
1559 uint response_type = event->response_type & ~0x80;
1560 return response_type == XCB_FOCUS_IN;
1563 void QXcbWindow::handleFocusOutEvent(const xcb_focus_out_event_t *)
1565 // Do not set the active window to 0 if there is a FocusIn coming.
1566 // There is however no equivalent for XPutBackEvent so register a
1567 // callback for QXcbConnection instead.
1568 connection()->addPeekFunc(focusInPeeker);
1571 void QXcbWindow::updateSyncRequestCounter()
1573 if (m_screen->syncRequestSupported() && (m_syncValue.lo != 0 || m_syncValue.hi != 0)) {
1574 Q_XCB_CALL(xcb_sync_set_counter(xcb_connection(), m_syncCounter, m_syncValue));
1575 xcb_flush(xcb_connection());
1576 connection()->sync();
1583 bool QXcbWindow::setKeyboardGrabEnabled(bool grab)
1586 xcb_ungrab_keyboard(xcb_connection(), XCB_TIME_CURRENT_TIME);
1589 xcb_grab_keyboard_cookie_t cookie = xcb_grab_keyboard(xcb_connection(), false,
1590 m_window, XCB_TIME_CURRENT_TIME,
1591 XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
1592 xcb_grab_keyboard_reply_t *reply = xcb_grab_keyboard_reply(xcb_connection(), cookie, NULL);
1593 bool result = !(!reply || reply->status != XCB_GRAB_STATUS_SUCCESS);
1598 bool QXcbWindow::setMouseGrabEnabled(bool grab)
1601 xcb_ungrab_pointer(xcb_connection(), XCB_TIME_CURRENT_TIME);
1604 xcb_grab_pointer_cookie_t cookie = xcb_grab_pointer(xcb_connection(), false, m_window,
1605 (XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE
1606 | XCB_EVENT_MASK_BUTTON_MOTION | XCB_EVENT_MASK_ENTER_WINDOW
1607 | XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_POINTER_MOTION),
1608 XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
1609 XCB_WINDOW_NONE, XCB_CURSOR_NONE,
1610 XCB_TIME_CURRENT_TIME);
1611 xcb_grab_pointer_reply_t *reply = xcb_grab_pointer_reply(xcb_connection(), cookie, NULL);
1612 bool result = !(!reply || reply->status != XCB_GRAB_STATUS_SUCCESS);
1617 void QXcbWindow::setCursor(xcb_cursor_t cursor)
1619 xcb_change_window_attributes(xcb_connection(), m_window, XCB_CW_CURSOR, &cursor);
1620 xcb_flush(xcb_connection());