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:
27 ** http://www.gnu.org/copyleft/gpl.html.
30 ** Alternatively, this file may be used in accordance with the terms and
31 ** conditions contained in a signed written agreement between you and Nokia.
40 ****************************************************************************/
42 #include "qxcbwindow.h"
47 #include "qxcbconnection.h"
48 #include "qxcbscreen.h"
50 #include "qxcbkeyboard.h"
51 #include "qxcbwmsupport.h"
53 #include <qplatformintegration_qpa.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 <QtGui/QPlatformBackingStore>
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 QXcbWindow::QXcbWindow(QWindow *window)
142 : QPlatformWindow(window)
146 , m_transparent(false)
147 , m_deferredActivation(false)
148 , m_netWmUserTimeWindow(XCB_NONE)
149 #if defined(XCB_USE_EGL)
152 , m_lastWindowStateEvent(-1)
154 m_screen = static_cast<QXcbScreen *>(window->screen()->handle());
156 setConnection(m_screen->connection());
161 void QXcbWindow::create()
165 m_windowState = Qt::WindowNoState;
167 Qt::WindowType type = window()->windowType();
169 if (type == Qt::Desktop) {
170 m_window = m_screen->root();
171 m_depth = m_screen->screen()->root_depth;
172 m_imageFormat = imageFormatForDepth(m_depth);
173 connection()->addWindow(m_window, this);
177 const quint32 mask = XCB_CW_BACK_PIXMAP | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_SAVE_UNDER | XCB_CW_EVENT_MASK;
178 const quint32 values[] = {
179 // XCB_CW_BACK_PIXMAP
181 // XCB_CW_OVERRIDE_REDIRECT
182 type == Qt::Popup || type == Qt::ToolTip,
184 type == Qt::Popup || type == Qt::Tool || type == Qt::SplashScreen || type == Qt::ToolTip || type == Qt::Drawer,
186 XCB_EVENT_MASK_EXPOSURE
187 | XCB_EVENT_MASK_STRUCTURE_NOTIFY
188 | XCB_EVENT_MASK_KEY_PRESS
189 | XCB_EVENT_MASK_KEY_RELEASE
190 | XCB_EVENT_MASK_BUTTON_PRESS
191 | XCB_EVENT_MASK_BUTTON_RELEASE
192 | XCB_EVENT_MASK_BUTTON_MOTION
193 | XCB_EVENT_MASK_ENTER_WINDOW
194 | XCB_EVENT_MASK_LEAVE_WINDOW
195 | XCB_EVENT_MASK_POINTER_MOTION
196 | XCB_EVENT_MASK_PROPERTY_CHANGE
197 | XCB_EVENT_MASK_FOCUS_CHANGE
200 QRect rect = window()->geometry();
201 QPlatformWindow::setGeometry(rect);
203 rect.setWidth(qBound(1, rect.width(), XCOORD_MAX));
204 rect.setHeight(qBound(1, rect.height(), XCOORD_MAX));
206 xcb_window_t xcb_parent_id = m_screen->root();
208 xcb_parent_id = static_cast<QXcbWindow *>(parent())->xcb_window();
210 m_format = window()->requestedFormat();
212 #if (defined(XCB_USE_GLX) || defined(XCB_USE_EGL)) && defined(XCB_USE_XLIB)
213 if (QGuiApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::OpenGL)
214 || m_format.hasAlpha())
216 #if defined(XCB_USE_GLX)
217 XVisualInfo *visualInfo = qglx_findVisualInfo(DISPLAY_FROM_XCB(m_screen), m_screen->screenNumber(), &m_format);
219 qFatal("Could not initialize GLX");
220 #elif defined(XCB_USE_EGL)
221 EGLDisplay eglDisplay = connection()->egl_display();
222 EGLConfig eglConfig = q_configFromGLFormat(eglDisplay, m_format, true);
223 m_format = q_glFormatFromConfig(eglDisplay, eglConfig);
225 VisualID id = QXlibEglIntegration::getCompatibleVisualId(DISPLAY_FROM_XCB(this), eglDisplay, eglConfig);
227 XVisualInfo visualInfoTemplate;
228 memset(&visualInfoTemplate, 0, sizeof(XVisualInfo));
229 visualInfoTemplate.visualid = id;
231 XVisualInfo *visualInfo;
232 int matchingCount = 0;
233 visualInfo = XGetVisualInfo(DISPLAY_FROM_XCB(this), VisualIDMask, &visualInfoTemplate, &matchingCount);
235 qFatal("Could not initialize EGL");
237 m_depth = visualInfo->depth;
238 m_imageFormat = imageFormatForDepth(m_depth);
239 Colormap cmap = XCreateColormap(DISPLAY_FROM_XCB(this), xcb_parent_id, visualInfo->visual, AllocNone);
241 XSetWindowAttributes a;
242 a.background_pixel = WhitePixel(DISPLAY_FROM_XCB(this), m_screen->screenNumber());
243 a.border_pixel = BlackPixel(DISPLAY_FROM_XCB(this), m_screen->screenNumber());
246 m_visualId = visualInfo->visualid;
248 m_window = XCreateWindow(DISPLAY_FROM_XCB(this), xcb_parent_id, rect.x(), rect.y(), rect.width(), rect.height(),
249 0, visualInfo->depth, InputOutput, visualInfo->visual,
250 CWBackPixel|CWBorderPixel|CWColormap, &a);
254 #endif //defined(XCB_USE_GLX) || defined(XCB_USE_EGL)
256 m_window = xcb_generate_id(xcb_connection());
257 m_depth = m_screen->screen()->root_depth;
258 m_imageFormat = imageFormatForDepth(m_depth);
259 m_visualId = m_screen->screen()->root_visual;
261 Q_XCB_CALL(xcb_create_window(xcb_connection(),
262 XCB_COPY_FROM_PARENT, // depth -- same as root
263 m_window, // window id
264 xcb_parent_id, // parent window id
270 XCB_WINDOW_CLASS_INPUT_OUTPUT, // window class
271 m_visualId, // visual
276 connection()->addWindow(m_window, this);
278 Q_XCB_CALL(xcb_change_window_attributes(xcb_connection(), m_window, mask, values));
280 propagateSizeHints();
282 xcb_atom_t properties[4];
283 int propertyCount = 0;
284 properties[propertyCount++] = atom(QXcbAtom::WM_DELETE_WINDOW);
285 properties[propertyCount++] = atom(QXcbAtom::WM_TAKE_FOCUS);
286 properties[propertyCount++] = atom(QXcbAtom::_NET_WM_PING);
288 if (m_screen->syncRequestSupported())
289 properties[propertyCount++] = atom(QXcbAtom::_NET_WM_SYNC_REQUEST);
291 if (window()->windowFlags() & Qt::WindowContextHelpButtonHint)
292 properties[propertyCount++] = atom(QXcbAtom::_NET_WM_CONTEXT_HELP);
294 Q_XCB_CALL(xcb_change_property(xcb_connection(),
295 XCB_PROP_MODE_REPLACE,
297 atom(QXcbAtom::WM_PROTOCOLS),
305 if (m_screen->syncRequestSupported()) {
306 m_syncCounter = xcb_generate_id(xcb_connection());
307 Q_XCB_CALL(xcb_sync_create_counter(xcb_connection(), m_syncCounter, m_syncValue));
309 Q_XCB_CALL(xcb_change_property(xcb_connection(),
310 XCB_PROP_MODE_REPLACE,
312 atom(QXcbAtom::_NET_WM_SYNC_REQUEST_COUNTER),
319 // set the PID to let the WM kill the application if unresponsive
321 Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
322 atom(QXcbAtom::_NET_WM_PID), XCB_ATOM_CARDINAL, 32,
325 xcb_wm_hints_t hints;
326 memset(&hints, 0, sizeof(hints));
327 xcb_wm_hints_set_normal(&hints);
329 xcb_wm_hints_set_input(&hints, !(window()->windowFlags() & Qt::WindowDoesNotAcceptFocus));
331 xcb_set_wm_hints(xcb_connection(), m_window, &hints);
333 xcb_window_t leader = m_screen->clientLeader();
334 Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
335 atom(QXcbAtom::WM_CLIENT_LEADER), XCB_ATOM_WINDOW, 32,
338 #ifdef XCB_USE_XINPUT2_MAEMO
339 if (connection()->isUsingXInput2()) {
340 XIEventMask xieventmask;
341 uchar bitmask[2] = { 0, 0 };
343 xieventmask.deviceid = XIAllMasterDevices;
344 xieventmask.mask = bitmask;
345 xieventmask.mask_len = sizeof(bitmask);
347 XISetMask(bitmask, XI_ButtonPress);
348 XISetMask(bitmask, XI_ButtonRelease);
349 XISetMask(bitmask, XI_Motion);
351 XISelectEvents(DISPLAY_FROM_XCB(this), m_window, &xieventmask, 1);
355 setWindowFlags(window()->windowFlags());
356 setWindowTitle(window()->windowTitle());
357 setWindowState(window()->windowState());
359 if (window()->windowFlags() & Qt::WindowTransparentForInput)
360 setTransparentForMouseEvents(true);
362 connection()->drag()->dndEnable(this, true);
365 QXcbWindow::~QXcbWindow()
370 void QXcbWindow::destroy()
372 if (m_syncCounter && m_screen->syncRequestSupported())
373 Q_XCB_CALL(xcb_sync_destroy_counter(xcb_connection(), m_syncCounter));
375 if (m_netWmUserTimeWindow) {
376 xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_NET_WM_USER_TIME_WINDOW));
377 // Some window managers, like metacity, do XSelectInput on the _NET_WM_USER_TIME_WINDOW window,
378 // without trapping BadWindow (which crashes when the user time window is destroyed).
379 connection()->sync();
380 xcb_destroy_window(xcb_connection(), m_netWmUserTimeWindow);
381 m_netWmUserTimeWindow = XCB_NONE;
383 connection()->removeWindow(m_window);
384 Q_XCB_CALL(xcb_destroy_window(xcb_connection(), m_window));
388 #if defined(XCB_USE_EGL)
394 void QXcbWindow::setGeometry(const QRect &rect)
396 QPlatformWindow::setGeometry(rect);
398 propagateSizeHints();
400 const quint32 mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y | XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT;
401 const qint32 values[] = {
402 qBound<qint32>(-XCOORD_MAX, rect.x(), XCOORD_MAX),
403 qBound<qint32>(-XCOORD_MAX, rect.y(), XCOORD_MAX),
404 qBound<qint32>(1, rect.width(), XCOORD_MAX),
405 qBound<qint32>(1, rect.height(), XCOORD_MAX),
408 Q_XCB_CALL(xcb_configure_window(xcb_connection(), m_window, mask, reinterpret_cast<const quint32*>(values)));
410 xcb_flush(xcb_connection());
413 QMargins QXcbWindow::frameMargins() const
415 if (m_dirtyFrameMargins) {
416 xcb_window_t window = m_window;
417 xcb_window_t parent = m_window;
419 bool foundRoot = false;
421 const QVector<xcb_window_t> &virtualRoots =
422 connection()->wmSupport()->virtualRoots();
425 xcb_query_tree_cookie_t cookie = xcb_query_tree_unchecked(xcb_connection(), parent);
427 xcb_query_tree_reply_t *reply = xcb_query_tree_reply(xcb_connection(), cookie, NULL);
429 if (reply->root == reply->parent || virtualRoots.indexOf(reply->parent) != -1) {
433 parent = reply->parent;
438 m_dirtyFrameMargins = false;
439 m_frameMargins = QMargins();
440 return m_frameMargins;
446 xcb_translate_coordinates_reply_t *reply =
447 xcb_translate_coordinates_reply(
449 xcb_translate_coordinates(xcb_connection(), window, parent, 0, 0),
453 offset = QPoint(reply->dst_x, reply->dst_y);
457 xcb_get_geometry_reply_t *geom =
458 xcb_get_geometry_reply(
460 xcb_get_geometry(xcb_connection(), parent),
465 // add the border_width for the window managers frame... some window managers
466 // do not use a border_width of zero for their frames, and if we the left and
467 // top strut, we ensure that pos() is absolutely correct. frameGeometry()
468 // will still be incorrect though... perhaps i should have foffset as well, to
469 // indicate the frame offset (equal to the border_width on X).
471 // -- copied from qwidget_x11.cpp
473 int left = offset.x() + geom->border_width;
474 int top = offset.y() + geom->border_width;
475 int right = geom->width + geom->border_width - geometry().width() - offset.x();
476 int bottom = geom->height + geom->border_width - geometry().height() - offset.y();
478 m_frameMargins = QMargins(left, top, right, bottom);
483 m_dirtyFrameMargins = false;
486 return m_frameMargins;
489 void QXcbWindow::setVisible(bool visible)
497 void QXcbWindow::show()
499 if (window()->isTopLevel()) {
500 xcb_get_property_cookie_t cookie = xcb_get_wm_hints_unchecked(xcb_connection(), m_window);
502 xcb_wm_hints_t hints;
503 xcb_get_wm_hints_reply(xcb_connection(), cookie, &hints, NULL);
505 if (window()->windowState() & Qt::WindowMinimized)
506 xcb_wm_hints_set_iconic(&hints);
508 xcb_wm_hints_set_normal(&hints);
510 xcb_wm_hints_set_input(&hints, !(window()->windowFlags() & Qt::WindowDoesNotAcceptFocus));
512 xcb_set_wm_hints(xcb_connection(), m_window, &hints);
514 // update WM_NORMAL_HINTS
515 propagateSizeHints();
517 // update WM_TRANSIENT_FOR
518 if (window()->transientParent() && isTransient(window())) {
519 QXcbWindow *transientXcbParent = static_cast<QXcbWindow *>(window()->transientParent()->handle());
520 if (transientXcbParent) {
522 xcb_window_t parentWindow = transientXcbParent->xcb_window();
524 // todo: set transient for group (wm_client_leader) if no parent, a la qwidget_x11.cpp
525 Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
526 XCB_ATOM_WM_TRANSIENT_FOR, XCB_ATOM_WINDOW, 32,
531 // update _MOTIF_WM_HINTS
532 updateMotifWmHintsBeforeMap();
534 // update _NET_WM_STATE
535 updateNetWmStateBeforeMap();
538 if (connection()->time() != XCB_TIME_CURRENT_TIME)
539 updateNetWmUserTime(connection()->time());
541 Q_XCB_CALL(xcb_map_window(xcb_connection(), m_window));
542 xcb_flush(xcb_connection());
544 connection()->sync();
547 void QXcbWindow::hide()
549 Q_XCB_CALL(xcb_unmap_window(xcb_connection(), m_window));
551 // send synthetic UnmapNotify event according to icccm 4.1.4
552 xcb_unmap_notify_event_t event;
553 event.response_type = XCB_UNMAP_NOTIFY;
554 event.event = m_screen->root();
555 event.window = m_window;
556 event.from_configure = false;
557 Q_XCB_CALL(xcb_send_event(xcb_connection(), false, m_screen->root(),
558 XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *)&event));
560 xcb_flush(xcb_connection());
565 struct QtMotifWmHints {
566 quint32 flags, functions, decorations;
572 MWM_HINTS_FUNCTIONS = (1L << 0),
574 MWM_FUNC_ALL = (1L << 0),
575 MWM_FUNC_RESIZE = (1L << 1),
576 MWM_FUNC_MOVE = (1L << 2),
577 MWM_FUNC_MINIMIZE = (1L << 3),
578 MWM_FUNC_MAXIMIZE = (1L << 4),
579 MWM_FUNC_CLOSE = (1L << 5),
581 MWM_HINTS_DECORATIONS = (1L << 1),
583 MWM_DECOR_ALL = (1L << 0),
584 MWM_DECOR_BORDER = (1L << 1),
585 MWM_DECOR_RESIZEH = (1L << 2),
586 MWM_DECOR_TITLE = (1L << 3),
587 MWM_DECOR_MENU = (1L << 4),
588 MWM_DECOR_MINIMIZE = (1L << 5),
589 MWM_DECOR_MAXIMIZE = (1L << 6),
591 MWM_HINTS_INPUT_MODE = (1L << 2),
593 MWM_INPUT_MODELESS = 0L,
594 MWM_INPUT_PRIMARY_APPLICATION_MODAL = 1L,
595 MWM_INPUT_FULL_APPLICATION_MODAL = 3L
598 static QtMotifWmHints getMotifWmHints(QXcbConnection *c, xcb_window_t window)
600 QtMotifWmHints hints;
602 xcb_get_property_cookie_t get_cookie =
603 xcb_get_property_unchecked(c->xcb_connection(), 0, window, c->atom(QXcbAtom::_MOTIF_WM_HINTS),
604 c->atom(QXcbAtom::_MOTIF_WM_HINTS), 0, 20);
606 xcb_get_property_reply_t *reply =
607 xcb_get_property_reply(c->xcb_connection(), get_cookie, NULL);
609 if (reply && reply->format == 32 && reply->type == c->atom(QXcbAtom::_MOTIF_WM_HINTS)) {
610 hints = *((QtMotifWmHints *)xcb_get_property_value(reply));
613 hints.functions = MWM_FUNC_ALL;
614 hints.decorations = MWM_DECOR_ALL;
615 hints.input_mode = 0L;
624 static void setMotifWmHints(QXcbConnection *c, xcb_window_t window, const QtMotifWmHints &hints)
626 if (hints.flags != 0l) {
627 Q_XCB_CALL2(xcb_change_property(c->xcb_connection(),
628 XCB_PROP_MODE_REPLACE,
630 c->atom(QXcbAtom::_MOTIF_WM_HINTS),
631 c->atom(QXcbAtom::_MOTIF_WM_HINTS),
636 Q_XCB_CALL2(xcb_delete_property(c->xcb_connection(), window, c->atom(QXcbAtom::_MOTIF_WM_HINTS)), c);
640 QXcbWindow::NetWmStates QXcbWindow::netWmStates()
642 NetWmStates result(0);
644 xcb_get_property_cookie_t get_cookie =
645 xcb_get_property_unchecked(xcb_connection(), 0, m_window, atom(QXcbAtom::_NET_WM_STATE),
646 XCB_ATOM_ATOM, 0, 1024);
648 xcb_get_property_reply_t *reply =
649 xcb_get_property_reply(xcb_connection(), get_cookie, NULL);
651 if (reply && reply->format == 32 && reply->type == XCB_ATOM_ATOM) {
652 const xcb_atom_t *states = static_cast<const xcb_atom_t *>(xcb_get_property_value(reply));
653 const xcb_atom_t *statesEnd = states + reply->length;
654 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_ABOVE)))
655 result |= NetWmStateAbove;
656 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_BELOW)))
657 result |= NetWmStateBelow;
658 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN)))
659 result |= NetWmStateFullScreen;
660 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ)))
661 result |= NetWmStateMaximizedHorz;
662 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT)))
663 result |= NetWmStateMaximizedVert;
664 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_MODAL)))
665 result |= NetWmStateModal;
666 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_STAYS_ON_TOP)))
667 result |= NetWmStateStaysOnTop;
668 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_DEMANDS_ATTENTION)))
669 result |= NetWmStateDemandsAttention;
672 #ifdef NET_WM_STATE_DEBUG
673 printf("getting net wm state (%x), empty\n", m_window);
680 void QXcbWindow::setNetWmStates(NetWmStates states)
682 QVector<xcb_atom_t> atoms;
683 if (states & NetWmStateAbove)
684 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_ABOVE));
685 if (states & NetWmStateBelow)
686 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_BELOW));
687 if (states & NetWmStateFullScreen)
688 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN));
689 if (states & NetWmStateMaximizedHorz)
690 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ));
691 if (states & NetWmStateMaximizedVert)
692 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT));
693 if (states & NetWmStateModal)
694 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_MODAL));
695 if (states & NetWmStateStaysOnTop)
696 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_STAYS_ON_TOP));
697 if (states & NetWmStateDemandsAttention)
698 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_DEMANDS_ATTENTION));
700 if (atoms.isEmpty()) {
701 Q_XCB_CALL(xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_NET_WM_STATE)));
703 Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
704 atom(QXcbAtom::_NET_WM_STATE), XCB_ATOM_ATOM, 32,
705 atoms.count(), atoms.constData()));
707 xcb_flush(xcb_connection());
710 Qt::WindowFlags QXcbWindow::setWindowFlags(Qt::WindowFlags flags)
712 Qt::WindowType type = static_cast<Qt::WindowType>(int(flags & Qt::WindowType_Mask));
714 if (type == Qt::ToolTip)
715 flags |= Qt::WindowStaysOnTopHint | Qt::FramelessWindowHint | Qt::X11BypassWindowManagerHint;
716 if (type == Qt::Popup)
717 flags |= Qt::X11BypassWindowManagerHint;
719 if (flags & Qt::WindowTransparentForInput) {
720 uint32_t mask = XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_VISIBILITY_CHANGE
721 | XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_RESIZE_REDIRECT
722 | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT
723 | XCB_EVENT_MASK_FOCUS_CHANGE | XCB_EVENT_MASK_PROPERTY_CHANGE
724 | XCB_EVENT_MASK_COLOR_MAP_CHANGE | XCB_EVENT_MASK_OWNER_GRAB_BUTTON;
725 xcb_change_window_attributes(xcb_connection(), xcb_window(), XCB_CW_EVENT_MASK, &mask);
728 setNetWmWindowFlags(flags);
729 setMotifWindowFlags(flags);
731 setTransparentForMouseEvents(flags & Qt::WindowTransparentForInput);
732 updateDoesNotAcceptFocus(flags & Qt::WindowDoesNotAcceptFocus);
737 void QXcbWindow::setMotifWindowFlags(Qt::WindowFlags flags)
739 Qt::WindowType type = static_cast<Qt::WindowType>(int(flags & Qt::WindowType_Mask));
741 QtMotifWmHints mwmhints;
743 mwmhints.functions = 0L;
744 mwmhints.decorations = 0;
745 mwmhints.input_mode = 0L;
746 mwmhints.status = 0L;
748 if (type != Qt::SplashScreen) {
749 mwmhints.flags |= MWM_HINTS_DECORATIONS;
751 bool customize = flags & Qt::CustomizeWindowHint;
752 if (!(flags & Qt::FramelessWindowHint) && !(customize && !(flags & Qt::WindowTitleHint))) {
753 mwmhints.decorations |= MWM_DECOR_BORDER;
754 mwmhints.decorations |= MWM_DECOR_RESIZEH;
756 if (flags & Qt::WindowTitleHint)
757 mwmhints.decorations |= MWM_DECOR_TITLE;
759 if (flags & Qt::WindowSystemMenuHint)
760 mwmhints.decorations |= MWM_DECOR_MENU;
762 if (flags & Qt::WindowMinimizeButtonHint) {
763 mwmhints.decorations |= MWM_DECOR_MINIMIZE;
764 mwmhints.functions |= MWM_FUNC_MINIMIZE;
767 if (flags & Qt::WindowMaximizeButtonHint) {
768 mwmhints.decorations |= MWM_DECOR_MAXIMIZE;
769 mwmhints.functions |= MWM_FUNC_MAXIMIZE;
772 if (flags & Qt::WindowCloseButtonHint)
773 mwmhints.functions |= MWM_FUNC_CLOSE;
776 // if type == Qt::SplashScreen
777 mwmhints.decorations = MWM_DECOR_ALL;
780 if (mwmhints.functions != 0) {
781 mwmhints.flags |= MWM_HINTS_FUNCTIONS;
782 mwmhints.functions |= MWM_FUNC_MOVE | MWM_FUNC_RESIZE;
784 mwmhints.functions = MWM_FUNC_ALL;
787 if (!(flags & Qt::FramelessWindowHint)
788 && flags & Qt::CustomizeWindowHint
789 && flags & Qt::WindowTitleHint
791 (Qt::WindowMinimizeButtonHint
792 | Qt::WindowMaximizeButtonHint
793 | Qt::WindowCloseButtonHint)))
795 // a special case - only the titlebar without any button
796 mwmhints.flags = MWM_HINTS_FUNCTIONS;
797 mwmhints.functions = MWM_FUNC_MOVE | MWM_FUNC_RESIZE;
798 mwmhints.decorations = 0;
801 setMotifWmHints(connection(), m_window, mwmhints);
804 void QXcbWindow::changeNetWmState(bool set, xcb_atom_t one, xcb_atom_t two)
806 xcb_client_message_event_t event;
808 event.response_type = XCB_CLIENT_MESSAGE;
810 event.window = m_window;
811 event.type = atom(QXcbAtom::_NET_WM_STATE);
812 event.data.data32[0] = set ? 1 : 0;
813 event.data.data32[1] = one;
814 event.data.data32[2] = two;
815 event.data.data32[3] = 0;
816 event.data.data32[4] = 0;
818 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));
821 Qt::WindowState QXcbWindow::setWindowState(Qt::WindowState state)
823 if (state == m_windowState)
827 switch (m_windowState) {
828 case Qt::WindowMinimized:
829 Q_XCB_CALL(xcb_map_window(xcb_connection(), m_window));
831 case Qt::WindowMaximized:
832 changeNetWmState(false,
833 atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ),
834 atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT));
836 case Qt::WindowFullScreen:
837 changeNetWmState(false, atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN));
845 case Qt::WindowMinimized:
847 xcb_client_message_event_t event;
849 event.response_type = XCB_CLIENT_MESSAGE;
851 event.window = m_window;
852 event.type = atom(QXcbAtom::WM_CHANGE_STATE);
853 event.data.data32[0] = XCB_WM_STATE_ICONIC;
854 event.data.data32[1] = 0;
855 event.data.data32[2] = 0;
856 event.data.data32[3] = 0;
857 event.data.data32[4] = 0;
859 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));
862 case Qt::WindowMaximized:
863 changeNetWmState(true,
864 atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ),
865 atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT));
867 case Qt::WindowFullScreen:
868 changeNetWmState(true, atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN));
870 case Qt::WindowNoState:
876 connection()->sync();
878 m_windowState = state;
879 return m_windowState;
882 void QXcbWindow::setNetWmWindowFlags(Qt::WindowFlags flags)
884 // in order of decreasing priority
885 QVector<uint> windowTypes;
887 Qt::WindowType type = static_cast<Qt::WindowType>(int(flags & Qt::WindowType_Mask));
892 windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_DIALOG));
896 windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_UTILITY));
899 windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_TOOLTIP));
901 case Qt::SplashScreen:
902 windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_SPLASH));
908 if (flags & Qt::FramelessWindowHint)
909 windowTypes.append(atom(QXcbAtom::_KDE_NET_WM_WINDOW_TYPE_OVERRIDE));
911 windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_NORMAL));
913 Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
914 atom(QXcbAtom::_NET_WM_WINDOW_TYPE), XCB_ATOM_ATOM, 32,
915 windowTypes.count(), windowTypes.constData()));
918 void QXcbWindow::updateMotifWmHintsBeforeMap()
920 QtMotifWmHints mwmhints = getMotifWmHints(connection(), m_window);
922 if (window()->windowModality() != Qt::NonModal) {
923 switch (window()->windowModality()) {
924 case Qt::WindowModal:
925 mwmhints.input_mode = MWM_INPUT_PRIMARY_APPLICATION_MODAL;
927 case Qt::ApplicationModal:
929 mwmhints.input_mode = MWM_INPUT_FULL_APPLICATION_MODAL;
932 mwmhints.flags |= MWM_HINTS_INPUT_MODE;
934 mwmhints.input_mode = MWM_INPUT_MODELESS;
935 mwmhints.flags &= ~MWM_HINTS_INPUT_MODE;
938 if (window()->minimumSize() == window()->maximumSize()) {
939 // fixed size, remove the resize handle (since mwm/dtwm
940 // isn't smart enough to do it itself)
941 mwmhints.flags |= MWM_HINTS_FUNCTIONS;
942 if (mwmhints.functions == MWM_FUNC_ALL) {
943 mwmhints.functions = MWM_FUNC_MOVE;
945 mwmhints.functions &= ~MWM_FUNC_RESIZE;
948 if (mwmhints.decorations == MWM_DECOR_ALL) {
949 mwmhints.flags |= MWM_HINTS_DECORATIONS;
950 mwmhints.decorations = (MWM_DECOR_BORDER
954 mwmhints.decorations &= ~MWM_DECOR_RESIZEH;
958 if (window()->windowFlags() & Qt::WindowMinimizeButtonHint) {
959 mwmhints.flags |= MWM_HINTS_DECORATIONS;
960 mwmhints.decorations |= MWM_DECOR_MINIMIZE;
961 mwmhints.functions |= MWM_FUNC_MINIMIZE;
963 if (window()->windowFlags() & Qt::WindowMaximizeButtonHint) {
964 mwmhints.flags |= MWM_HINTS_DECORATIONS;
965 mwmhints.decorations |= MWM_DECOR_MAXIMIZE;
966 mwmhints.functions |= MWM_FUNC_MAXIMIZE;
968 if (window()->windowFlags() & Qt::WindowCloseButtonHint)
969 mwmhints.functions |= MWM_FUNC_CLOSE;
971 setMotifWmHints(connection(), m_window, mwmhints);
974 void QXcbWindow::updateNetWmStateBeforeMap()
976 NetWmStates states(0);
978 const Qt::WindowFlags flags = window()->windowFlags();
979 if (flags & Qt::WindowStaysOnTopHint) {
980 states |= NetWmStateAbove;
981 states |= NetWmStateStaysOnTop;
982 } else if (flags & Qt::WindowStaysOnBottomHint) {
983 states |= NetWmStateBelow;
986 if (window()->windowState() & Qt::WindowFullScreen)
987 states |= NetWmStateFullScreen;
989 if (window()->windowState() & Qt::WindowMaximized) {
990 states |= NetWmStateMaximizedHorz;
991 states |= NetWmStateMaximizedVert;
994 if (window()->windowModality() != Qt::NonModal)
995 states |= NetWmStateModal;
997 setNetWmStates(states);
1000 void QXcbWindow::updateNetWmUserTime(xcb_timestamp_t timestamp)
1002 xcb_window_t wid = m_window;
1004 const bool isSupportedByWM = connection()->wmSupport()->isSupportedByWM(atom(QXcbAtom::_NET_WM_USER_TIME_WINDOW));
1005 if (m_netWmUserTimeWindow || isSupportedByWM) {
1006 if (!m_netWmUserTimeWindow) {
1007 m_netWmUserTimeWindow = xcb_generate_id(xcb_connection());
1008 Q_XCB_CALL(xcb_create_window(xcb_connection(),
1009 XCB_COPY_FROM_PARENT, // depth -- same as root
1010 m_netWmUserTimeWindow, // window id
1011 m_window, // parent window id
1014 XCB_WINDOW_CLASS_INPUT_OUTPUT, // window class
1015 m_visualId, // visual
1018 wid = m_netWmUserTimeWindow;
1019 xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window, atom(QXcbAtom::_NET_WM_USER_TIME_WINDOW),
1020 XCB_ATOM_WINDOW, 32, 1, &m_netWmUserTimeWindow);
1021 xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_NET_WM_USER_TIME));
1022 } else if (!isSupportedByWM) {
1023 // WM no longer supports it, then we should remove the
1024 // _NET_WM_USER_TIME_WINDOW atom.
1025 xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_NET_WM_USER_TIME_WINDOW));
1026 xcb_destroy_window(xcb_connection(), m_netWmUserTimeWindow);
1027 m_netWmUserTimeWindow = XCB_NONE;
1029 wid = m_netWmUserTimeWindow;
1032 xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, wid, atom(QXcbAtom::_NET_WM_USER_TIME),
1033 XCB_ATOM_CARDINAL, 32, 1, ×tamp);
1036 void QXcbWindow::setTransparentForMouseEvents(bool transparent)
1038 if (transparent == m_transparent)
1041 xcb_rectangle_t rectangle;
1043 xcb_rectangle_t *rect = 0;
1049 rectangle.width = geometry().width();
1050 rectangle.height = geometry().height();
1055 xcb_xfixes_region_t region = xcb_generate_id(xcb_connection());
1056 xcb_xfixes_create_region(xcb_connection(), region, nrect, rect);
1057 xcb_xfixes_set_window_shape_region_checked(xcb_connection(), m_window, XCB_SHAPE_SK_INPUT, 0, 0, region);
1058 xcb_xfixes_destroy_region(xcb_connection(), region);
1060 m_transparent = transparent;
1063 void QXcbWindow::updateDoesNotAcceptFocus(bool doesNotAcceptFocus)
1065 xcb_get_property_cookie_t cookie = xcb_get_wm_hints_unchecked(xcb_connection(), m_window);
1067 xcb_wm_hints_t hints;
1068 if (!xcb_get_wm_hints_reply(xcb_connection(), cookie, &hints, NULL)) {
1072 xcb_wm_hints_set_input(&hints, !doesNotAcceptFocus);
1073 xcb_set_wm_hints(xcb_connection(), m_window, &hints);
1076 WId QXcbWindow::winId() const
1081 void QXcbWindow::setParent(const QPlatformWindow *parent)
1083 // re-create for compatibility
1086 QPoint topLeft = geometry().topLeft();
1088 xcb_window_t xcb_parent_id = parent ? static_cast<const QXcbWindow *>(parent)->xcb_window() : m_screen->root();
1089 Q_XCB_CALL(xcb_reparent_window(xcb_connection(), xcb_window(), xcb_parent_id, topLeft.x(), topLeft.y()));
1092 void QXcbWindow::setWindowTitle(const QString &title)
1094 QByteArray ba = title.toUtf8();
1095 Q_XCB_CALL(xcb_change_property(xcb_connection(),
1096 XCB_PROP_MODE_REPLACE,
1098 atom(QXcbAtom::_NET_WM_NAME),
1099 atom(QXcbAtom::UTF8_STRING),
1105 void QXcbWindow::raise()
1107 const quint32 mask = XCB_CONFIG_WINDOW_STACK_MODE;
1108 const quint32 values[] = { XCB_STACK_MODE_ABOVE };
1109 Q_XCB_CALL(xcb_configure_window(xcb_connection(), m_window, mask, values));
1112 void QXcbWindow::lower()
1114 const quint32 mask = XCB_CONFIG_WINDOW_STACK_MODE;
1115 const quint32 values[] = { XCB_STACK_MODE_BELOW };
1116 Q_XCB_CALL(xcb_configure_window(xcb_connection(), m_window, mask, values));
1119 void QXcbWindow::propagateSizeHints()
1121 // update WM_NORMAL_HINTS
1122 xcb_size_hints_t hints;
1123 memset(&hints, 0, sizeof(hints));
1125 QRect rect = geometry();
1127 QWindow *win = window();
1129 xcb_size_hints_set_position(&hints, true, rect.x(), rect.y());
1130 xcb_size_hints_set_size(&hints, true, rect.width(), rect.height());
1131 xcb_size_hints_set_win_gravity(&hints, qt_window_private(win)->positionPolicy == QWindowPrivate::WindowFrameInclusive
1132 ? XCB_GRAVITY_NORTH_WEST : XCB_GRAVITY_STATIC);
1134 QSize minimumSize = win->minimumSize();
1135 QSize maximumSize = win->maximumSize();
1136 QSize baseSize = win->baseSize();
1137 QSize sizeIncrement = win->sizeIncrement();
1139 if (minimumSize.width() > 0 || minimumSize.height() > 0)
1140 xcb_size_hints_set_min_size(&hints, minimumSize.width(), minimumSize.height());
1142 if (maximumSize.width() < QWINDOWSIZE_MAX || maximumSize.height() < QWINDOWSIZE_MAX)
1143 xcb_size_hints_set_max_size(&hints,
1144 qMin(XCOORD_MAX, maximumSize.width()),
1145 qMin(XCOORD_MAX, maximumSize.height()));
1147 if (sizeIncrement.width() > 0 || sizeIncrement.height() > 0) {
1148 xcb_size_hints_set_base_size(&hints, baseSize.width(), baseSize.height());
1149 xcb_size_hints_set_resize_inc(&hints, sizeIncrement.width(), sizeIncrement.height());
1152 xcb_set_wm_normal_hints(xcb_connection(), m_window, &hints);
1155 void QXcbWindow::requestActivateWindow()
1158 m_deferredActivation = true;
1161 m_deferredActivation = false;
1163 updateNetWmUserTime(connection()->time());
1165 if (window()->isTopLevel()
1166 && connection()->wmSupport()->isSupportedByWM(atom(QXcbAtom::_NET_ACTIVE_WINDOW))) {
1167 xcb_client_message_event_t event;
1169 event.response_type = XCB_CLIENT_MESSAGE;
1171 event.window = m_window;
1172 event.type = atom(QXcbAtom::_NET_ACTIVE_WINDOW);
1173 event.data.data32[0] = 1;
1174 event.data.data32[1] = connection()->time();
1175 QWindow *focusWindow = QGuiApplication::focusWindow();
1176 event.data.data32[2] = focusWindow ? focusWindow->winId() : XCB_NONE;
1177 event.data.data32[3] = 0;
1178 event.data.data32[4] = 0;
1180 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));
1182 Q_XCB_CALL(xcb_set_input_focus(xcb_connection(), XCB_INPUT_FOCUS_PARENT, m_window, connection()->time()));
1185 connection()->sync();
1188 #if XCB_USE_MAEMO_WINDOW_PROPERTIES
1189 void QXcbWindow::setOrientation(Qt::ScreenOrientation orientation)
1192 switch (orientation) {
1193 case Qt::PortraitOrientation: angle = 270; break;
1194 case Qt::LandscapeOrientation: angle = 0; break;
1195 case Qt::InvertedPortraitOrientation: angle = 90; break;
1196 case Qt::InvertedLandscapeOrientation: angle = 180; break;
1197 case Qt::PrimaryOrientation: break;
1199 Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
1200 atom(QXcbAtom::MeegoTouchOrientationAngle), XCB_ATOM_CARDINAL, 32,
1205 QSurfaceFormat QXcbWindow::format() const
1207 // ### return actual format
1211 #if defined(XCB_USE_EGL)
1212 QXcbEGLSurface *QXcbWindow::eglSurface() const
1214 if (!m_eglSurface) {
1215 EGLDisplay display = connection()->egl_display();
1216 EGLConfig config = q_configFromGLFormat(display, window()->requestedFormat(), true);
1217 EGLSurface surface = eglCreateWindowSurface(display, config, (EGLNativeWindowType)m_window, 0);
1219 m_eglSurface = new QXcbEGLSurface(display, surface);
1222 return m_eglSurface;
1226 void QXcbWindow::handleExposeEvent(const xcb_expose_event_t *event)
1228 QRect rect(event->x, event->y, event->width, event->height);
1230 if (m_exposeRegion.isEmpty())
1231 m_exposeRegion = rect;
1233 m_exposeRegion |= rect;
1235 // if count is non-zero there are more expose events pending
1236 if (event->count == 0) {
1237 QWindowSystemInterface::handleSynchronousExposeEvent(window(), m_exposeRegion);
1238 m_exposeRegion = QRegion();
1242 void QXcbWindow::handleClientMessageEvent(const xcb_client_message_event_t *event)
1244 if (event->format != 32)
1247 if (event->type == atom(QXcbAtom::WM_PROTOCOLS)) {
1248 if (event->data.data32[0] == atom(QXcbAtom::WM_DELETE_WINDOW)) {
1249 QWindowSystemInterface::handleCloseEvent(window());
1250 } else if (event->data.data32[0] == atom(QXcbAtom::WM_TAKE_FOCUS)) {
1251 connection()->setTime(event->data.data32[1]);
1252 } else if (event->data.data32[0] == atom(QXcbAtom::_NET_WM_PING)) {
1253 xcb_client_message_event_t reply = *event;
1255 reply.response_type = XCB_CLIENT_MESSAGE;
1256 reply.window = m_screen->root();
1258 xcb_send_event(xcb_connection(), 0, m_screen->root(), XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *)&reply);
1259 xcb_flush(xcb_connection());
1260 } else if (event->data.data32[0] == atom(QXcbAtom::_NET_WM_SYNC_REQUEST)) {
1261 connection()->setTime(event->data.data32[1]);
1262 m_syncValue.lo = event->data.data32[2];
1263 m_syncValue.hi = event->data.data32[3];
1265 qWarning() << "QXcbWindow: Unhandled WM_PROTOCOLS message:" << connection()->atomName(event->data.data32[0]);
1267 } else if (event->type == atom(QXcbAtom::XdndEnter)) {
1268 connection()->drag()->handleEnter(window(), event);
1269 } else if (event->type == atom(QXcbAtom::XdndPosition)) {
1270 connection()->drag()->handlePosition(window(), event);
1271 } else if (event->type == atom(QXcbAtom::XdndLeave)) {
1272 connection()->drag()->handleLeave(window(), event);
1273 } else if (event->type == atom(QXcbAtom::XdndDrop)) {
1274 connection()->drag()->handleDrop(window(), event);
1275 } else if (event->type == atom(QXcbAtom::_XEMBED)) { // QSystemTrayIcon
1277 qWarning() << "QXcbWindow: Unhandled client message:" << connection()->atomName(event->type);
1281 void QXcbWindow::handleConfigureNotifyEvent(const xcb_configure_notify_event_t *event)
1283 bool fromSendEvent = (event->response_type & 0x80);
1284 QPoint pos(event->x, event->y);
1285 if (!parent() && !fromSendEvent) {
1286 // Do not trust the position, query it instead.
1287 xcb_translate_coordinates_cookie_t cookie = xcb_translate_coordinates(xcb_connection(), xcb_window(),
1288 m_screen->root(), 0, 0);
1289 xcb_translate_coordinates_reply_t *reply = xcb_translate_coordinates_reply(xcb_connection(), cookie, NULL);
1291 pos.setX(reply->dst_x);
1292 pos.setY(reply->dst_y);
1297 QRect rect(pos, QSize(event->width, event->height));
1299 QPlatformWindow::setGeometry(rect);
1300 QWindowSystemInterface::handleGeometryChange(window(), rect);
1302 m_dirtyFrameMargins = true;
1306 static_cast<QDri2Context *>(m_context)->resize(rect.size());
1310 void QXcbWindow::handleMapNotifyEvent(const xcb_map_notify_event_t *event)
1312 if (event->window == m_window) {
1314 if (m_deferredActivation)
1315 requestActivateWindow();
1316 QWindowSystemInterface::handleMapEvent(window());
1320 void QXcbWindow::handleUnmapNotifyEvent(const xcb_unmap_notify_event_t *event)
1322 if (event->window == m_window) {
1324 QWindowSystemInterface::handleUnmapEvent(window());
1328 static Qt::MouseButtons translateMouseButtons(int s)
1330 Qt::MouseButtons ret = 0;
1331 if (s & XCB_BUTTON_MASK_1)
1332 ret |= Qt::LeftButton;
1333 if (s & XCB_BUTTON_MASK_2)
1334 ret |= Qt::MidButton;
1335 if (s & XCB_BUTTON_MASK_3)
1336 ret |= Qt::RightButton;
1340 static Qt::MouseButton translateMouseButton(xcb_button_t s)
1343 case 1: return Qt::LeftButton;
1344 case 2: return Qt::MidButton;
1345 case 3: return Qt::RightButton;
1346 // Button values 4-7 were already handled as Wheel events, and won't occur here.
1347 case 8: return Qt::BackButton; // Also known as Qt::ExtraButton1
1348 case 9: return Qt::ForwardButton; // Also known as Qt::ExtraButton2
1349 case 10: return Qt::ExtraButton3;
1350 case 11: return Qt::ExtraButton4;
1351 case 12: return Qt::ExtraButton5;
1352 case 13: return Qt::ExtraButton6;
1353 case 14: return Qt::ExtraButton7;
1354 case 15: return Qt::ExtraButton8;
1355 case 16: return Qt::ExtraButton9;
1356 case 17: return Qt::ExtraButton10;
1357 case 18: return Qt::ExtraButton11;
1358 case 19: return Qt::ExtraButton12;
1359 case 20: return Qt::ExtraButton13;
1360 case 21: return Qt::ExtraButton14;
1361 case 22: return Qt::ExtraButton15;
1362 case 23: return Qt::ExtraButton16;
1363 case 24: return Qt::ExtraButton17;
1364 case 25: return Qt::ExtraButton18;
1365 case 26: return Qt::ExtraButton19;
1366 case 27: return Qt::ExtraButton20;
1367 case 28: return Qt::ExtraButton21;
1368 case 29: return Qt::ExtraButton22;
1369 case 30: return Qt::ExtraButton23;
1370 case 31: return Qt::ExtraButton24;
1371 default: return Qt::NoButton;
1375 void QXcbWindow::handleButtonPressEvent(const xcb_button_press_event_t *event)
1377 updateNetWmUserTime(event->time);
1379 QPoint local(event->event_x, event->event_y);
1380 QPoint global(event->root_x, event->root_y);
1382 Qt::KeyboardModifiers modifiers = connection()->keyboard()->translateModifiers(event->state);
1384 if (event->detail >= 4 && event->detail <= 7) {
1385 // Logic borrowed from qapplication_x11.cpp
1386 int delta = 120 * ((event->detail == 4 || event->detail == 6) ? 1 : -1);
1387 bool hor = (((event->detail == 4 || event->detail == 5)
1388 && (modifiers & Qt::AltModifier))
1389 || (event->detail == 6 || event->detail == 7));
1391 QWindowSystemInterface::handleWheelEvent(window(), event->time,
1392 local, global, delta, hor ? Qt::Horizontal : Qt::Vertical, modifiers);
1396 handleMouseEvent(event->detail, event->state, event->time, local, global, modifiers);
1399 void QXcbWindow::handleButtonReleaseEvent(const xcb_button_release_event_t *event)
1401 QPoint local(event->event_x, event->event_y);
1402 QPoint global(event->root_x, event->root_y);
1403 Qt::KeyboardModifiers modifiers = connection()->keyboard()->translateModifiers(event->state);
1405 handleMouseEvent(event->detail, event->state, event->time, local, global, modifiers);
1408 void QXcbWindow::handleMotionNotifyEvent(const xcb_motion_notify_event_t *event)
1410 QPoint local(event->event_x, event->event_y);
1411 QPoint global(event->root_x, event->root_y);
1412 Qt::KeyboardModifiers modifiers = connection()->keyboard()->translateModifiers(event->state);
1414 handleMouseEvent(event->detail, event->state, event->time, local, global, modifiers);
1417 void QXcbWindow::handleMouseEvent(xcb_button_t detail, uint16_t state, xcb_timestamp_t time, const QPoint &local, const QPoint &global, Qt::KeyboardModifiers modifiers)
1419 connection()->setTime(time);
1421 Qt::MouseButtons buttons = translateMouseButtons(state);
1422 Qt::MouseButton button = translateMouseButton(detail);
1424 buttons ^= button; // X event uses state *before*, Qt uses state *after*
1426 QWindowSystemInterface::handleMouseEvent(window(), time, local, global, buttons, modifiers);
1429 void QXcbWindow::handleEnterNotifyEvent(const xcb_enter_notify_event_t *event)
1431 connection()->setTime(event->time);
1433 if ((event->mode != XCB_NOTIFY_MODE_NORMAL && event->mode != XCB_NOTIFY_MODE_UNGRAB)
1434 || event->detail == XCB_NOTIFY_DETAIL_VIRTUAL
1435 || event->detail == XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL)
1440 QWindowSystemInterface::handleEnterEvent(window());
1443 void QXcbWindow::handleLeaveNotifyEvent(const xcb_leave_notify_event_t *event)
1445 connection()->setTime(event->time);
1447 if ((event->mode != XCB_NOTIFY_MODE_NORMAL && event->mode != XCB_NOTIFY_MODE_UNGRAB)
1448 || event->detail == XCB_NOTIFY_DETAIL_INFERIOR)
1453 QWindowSystemInterface::handleLeaveEvent(window());
1456 void QXcbWindow::handlePropertyNotifyEvent(const xcb_property_notify_event_t *event)
1458 connection()->setTime(event->time);
1460 const bool propertyDeleted = event->state == XCB_PROPERTY_DELETE;
1461 const xcb_atom_t netWmStateAtom = atom(QXcbAtom::_NET_WM_STATE);
1462 const xcb_atom_t wmStateAtom = atom(QXcbAtom::WM_STATE);
1464 if (event->atom == netWmStateAtom || event->atom == wmStateAtom) {
1465 if (propertyDeleted)
1468 Qt::WindowState newState = Qt::WindowNoState;
1469 if (event->atom == wmStateAtom) { // WM_STATE: Quick check for 'Minimize'.
1470 const xcb_get_property_cookie_t get_cookie =
1471 xcb_get_property(xcb_connection(), 0, m_window, wmStateAtom,
1472 XCB_ATOM_ANY, 0, 1024);
1474 xcb_get_property_reply_t *reply =
1475 xcb_get_property_reply(xcb_connection(), get_cookie, NULL);
1477 if (reply && reply->format == 32 && reply->type == wmStateAtom) {
1478 const long *data = (const long *)xcb_get_property_value(reply);
1479 if (reply->length != 0 && XCB_WM_STATE_ICONIC == data[0])
1480 newState = Qt::WindowMinimized;
1483 } // WM_STATE: Quick check for 'Minimize'.
1484 if (newState != Qt::WindowMinimized) { // Something else changed, get _NET_WM_STATE.
1485 const NetWmStates states = netWmStates();
1486 if ((states & NetWmStateMaximizedHorz) && (states & NetWmStateMaximizedVert))
1487 newState = Qt::WindowMaximized;
1488 else if (states & NetWmStateFullScreen)
1489 newState = Qt::WindowFullScreen;
1491 // Send Window state, compress events in case other flags (modality, etc) are changed.
1492 if (m_lastWindowStateEvent != newState) {
1493 QWindowSystemInterface::handleWindowStateChanged(window(), newState);
1494 m_lastWindowStateEvent = newState;
1499 void QXcbWindow::handleFocusInEvent(const xcb_focus_in_event_t *)
1501 QWindowSystemInterface::handleWindowActivated(window());
1504 static bool focusInPeeker(xcb_generic_event_t *event)
1507 // FocusIn event is not in the queue, proceed with FocusOut normally.
1508 QWindowSystemInterface::handleWindowActivated(0);
1511 uint response_type = event->response_type & ~0x80;
1512 return response_type == XCB_FOCUS_IN;
1515 void QXcbWindow::handleFocusOutEvent(const xcb_focus_out_event_t *)
1517 // Do not set the active window to 0 if there is a FocusIn coming.
1518 // There is however no equivalent for XPutBackEvent so register a
1519 // callback for QXcbConnection instead.
1520 connection()->addPeekFunc(focusInPeeker);
1523 void QXcbWindow::updateSyncRequestCounter()
1525 if (m_screen->syncRequestSupported() && (m_syncValue.lo != 0 || m_syncValue.hi != 0)) {
1526 Q_XCB_CALL(xcb_sync_set_counter(xcb_connection(), m_syncCounter, m_syncValue));
1527 xcb_flush(xcb_connection());
1528 connection()->sync();
1535 bool QXcbWindow::setKeyboardGrabEnabled(bool grab)
1538 xcb_ungrab_keyboard(xcb_connection(), XCB_TIME_CURRENT_TIME);
1541 xcb_grab_keyboard_cookie_t cookie = xcb_grab_keyboard(xcb_connection(), false,
1542 m_window, XCB_TIME_CURRENT_TIME,
1543 XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
1544 xcb_grab_keyboard_reply_t *reply = xcb_grab_keyboard_reply(xcb_connection(), cookie, NULL);
1545 bool result = !(!reply || reply->status != XCB_GRAB_STATUS_SUCCESS);
1550 bool QXcbWindow::setMouseGrabEnabled(bool grab)
1553 xcb_ungrab_pointer(xcb_connection(), XCB_TIME_CURRENT_TIME);
1556 xcb_grab_pointer_cookie_t cookie = xcb_grab_pointer(xcb_connection(), false, m_window,
1557 (XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE
1558 | XCB_EVENT_MASK_BUTTON_MOTION | XCB_EVENT_MASK_ENTER_WINDOW
1559 | XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_POINTER_MOTION),
1560 XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
1561 XCB_WINDOW_NONE, XCB_CURSOR_NONE,
1562 XCB_TIME_CURRENT_TIME);
1563 xcb_grab_pointer_reply_t *reply = xcb_grab_pointer_reply(xcb_connection(), cookie, NULL);
1564 bool result = !(!reply || reply->status != XCB_GRAB_STATUS_SUCCESS);
1569 void QXcbWindow::setCursor(xcb_cursor_t cursor)
1571 xcb_change_window_attributes(xcb_connection(), m_window, XCB_CW_CURSOR, &cursor);
1572 xcb_flush(xcb_connection());