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"
46 #include <QtGui/QIcon>
47 #include <QtGui/QRegion>
49 #include "qxcbconnection.h"
50 #include "qxcbscreen.h"
52 #include "qxcbkeyboard.h"
53 #include "qxcbwmsupport.h"
54 #include "qxcbimage.h"
56 #include <qpa/qplatformintegration.h>
59 #include "qdri2context.h"
62 // FIXME This workaround can be removed for xcb-icccm > 3.8
63 #define class class_name
64 #include <xcb/xcb_icccm.h>
66 #include <xcb/xfixes.h>
68 // xcb-icccm 3.8 support
69 #ifdef XCB_ICCCM_NUM_WM_SIZE_HINTS_ELEMENTS
70 #define xcb_get_wm_hints_reply xcb_icccm_get_wm_hints_reply
71 #define xcb_get_wm_hints xcb_icccm_get_wm_hints
72 #define xcb_get_wm_hints_unchecked xcb_icccm_get_wm_hints_unchecked
73 #define xcb_set_wm_hints xcb_icccm_set_wm_hints
74 #define xcb_set_wm_normal_hints xcb_icccm_set_wm_normal_hints
75 #define xcb_size_hints_set_base_size xcb_icccm_size_hints_set_base_size
76 #define xcb_size_hints_set_max_size xcb_icccm_size_hints_set_max_size
77 #define xcb_size_hints_set_min_size xcb_icccm_size_hints_set_min_size
78 #define xcb_size_hints_set_position xcb_icccm_size_hints_set_position
79 #define xcb_size_hints_set_resize_inc xcb_icccm_size_hints_set_resize_inc
80 #define xcb_size_hints_set_size xcb_icccm_size_hints_set_size
81 #define xcb_size_hints_set_win_gravity xcb_icccm_size_hints_set_win_gravity
82 #define xcb_wm_hints_set_iconic xcb_icccm_wm_hints_set_iconic
83 #define xcb_wm_hints_set_normal xcb_icccm_wm_hints_set_normal
84 #define xcb_wm_hints_set_input xcb_icccm_wm_hints_set_input
85 #define xcb_wm_hints_t xcb_icccm_wm_hints_t
86 #define XCB_WM_STATE_ICONIC XCB_ICCCM_WM_STATE_ICONIC
87 #define XCB_WM_STATE_WITHDRAWN XCB_ICCCM_WM_STATE_WITHDRAWN
90 #include <private/qguiapplication_p.h>
91 #include <private/qwindow_p.h>
93 #include <qpa/qplatformbackingstore.h>
94 #include <QtGui/QWindowSystemInterface>
100 #include <X11/Xutil.h>
102 # include <X11/extensions/shape.h>
103 #endif // QT_NO_SHAPE
106 #ifdef XCB_USE_XINPUT2_MAEMO
107 #include <X11/extensions/XInput2.h>
110 #if defined(XCB_USE_GLX)
111 #include "qglxintegration.h"
112 #include <QtPlatformSupport/private/qglxconvenience_p.h>
113 #elif defined(XCB_USE_EGL)
114 #include "qxcbeglsurface.h"
115 #include <QtPlatformSupport/private/qeglconvenience_p.h>
116 #include <QtPlatformSupport/private/qxlibeglintegration_p.h>
119 #define XCOORD_MAX 16383
121 //#ifdef NET_WM_STATE_DEBUG
125 // Returns true if we should set WM_TRANSIENT_FOR on \a w
126 static inline bool isTransient(const QWindow *w)
128 return w->windowType() == Qt::Dialog
129 || w->windowType() == Qt::Sheet
130 || w->windowType() == Qt::Tool
131 || w->windowType() == Qt::SplashScreen
132 || w->windowType() == Qt::ToolTip
133 || w->windowType() == Qt::Drawer
134 || w->windowType() == Qt::Popup;
137 static inline QImage::Format imageFormatForDepth(int depth)
140 case 32: return QImage::Format_ARGB32_Premultiplied;
141 case 24: return QImage::Format_RGB32;
142 case 16: return QImage::Format_RGB16;
143 default: return QImage::Format_Invalid;
147 static inline bool positionIncludesFrame(QWindow *w)
149 return qt_window_private(w)->positionPolicy == QWindowPrivate::WindowFrameInclusive;
152 QXcbWindow::QXcbWindow(QWindow *window)
153 : QPlatformWindow(window)
156 , m_gravity(XCB_GRAVITY_STATIC)
158 , m_transparent(false)
159 , m_deferredActivation(false)
160 , m_netWmUserTimeWindow(XCB_NONE)
161 , m_dirtyFrameMargins(false)
162 #if defined(XCB_USE_EGL)
165 , m_lastWindowStateEvent(-1)
167 m_screen = static_cast<QXcbScreen *>(window->screen()->handle());
169 setConnection(m_screen->connection());
174 void QXcbWindow::create()
178 m_deferredExpose = false;
179 m_configureNotifyPending = true;
180 m_windowState = Qt::WindowNoState;
182 Qt::WindowType type = window()->windowType();
184 if (type == Qt::Desktop) {
185 m_window = m_screen->root();
186 m_depth = m_screen->screen()->root_depth;
187 m_imageFormat = imageFormatForDepth(m_depth);
188 connection()->addWindow(m_window, this);
192 // Determine gravity from initial position. Do not change
193 // later as it will cause the window to move uncontrollably.
194 m_gravity = positionIncludesFrame(window()) ?
195 XCB_GRAVITY_NORTH_WEST : XCB_GRAVITY_STATIC;
197 const quint32 mask = XCB_CW_BACK_PIXMAP | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_SAVE_UNDER | XCB_CW_EVENT_MASK;
198 const quint32 values[] = {
199 // XCB_CW_BACK_PIXMAP
201 // XCB_CW_OVERRIDE_REDIRECT
202 type == Qt::Popup || type == Qt::ToolTip,
204 type == Qt::Popup || type == Qt::Tool || type == Qt::SplashScreen || type == Qt::ToolTip || type == Qt::Drawer,
206 XCB_EVENT_MASK_EXPOSURE
207 | XCB_EVENT_MASK_STRUCTURE_NOTIFY
208 | XCB_EVENT_MASK_KEY_PRESS
209 | XCB_EVENT_MASK_KEY_RELEASE
210 | XCB_EVENT_MASK_BUTTON_PRESS
211 | XCB_EVENT_MASK_BUTTON_RELEASE
212 | XCB_EVENT_MASK_BUTTON_MOTION
213 | XCB_EVENT_MASK_ENTER_WINDOW
214 | XCB_EVENT_MASK_LEAVE_WINDOW
215 | XCB_EVENT_MASK_POINTER_MOTION
216 | XCB_EVENT_MASK_PROPERTY_CHANGE
217 | XCB_EVENT_MASK_FOCUS_CHANGE
220 // Parameters to XCreateWindow() are frame corner + inner size.
221 // This fits in case position policy is frame inclusive. There is
222 // currently no way to implement it for frame-exclusive geometries.
223 QRect rect = window()->geometry();
224 QPlatformWindow::setGeometry(rect);
226 rect.setWidth(qBound(1, rect.width(), XCOORD_MAX));
227 rect.setHeight(qBound(1, rect.height(), XCOORD_MAX));
229 xcb_window_t xcb_parent_id = m_screen->root();
231 xcb_parent_id = static_cast<QXcbWindow *>(parent())->xcb_window();
233 m_format = window()->requestedFormat();
235 #if (defined(XCB_USE_GLX) || defined(XCB_USE_EGL)) && defined(XCB_USE_XLIB)
236 if (QGuiApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::OpenGL)
237 || m_format.hasAlpha())
239 #if defined(XCB_USE_GLX)
240 XVisualInfo *visualInfo = qglx_findVisualInfo(DISPLAY_FROM_XCB(m_screen), m_screen->screenNumber(), &m_format);
242 qFatal("Could not initialize GLX");
243 #elif defined(XCB_USE_EGL)
244 EGLDisplay eglDisplay = connection()->egl_display();
245 EGLConfig eglConfig = q_configFromGLFormat(eglDisplay, m_format, true);
246 m_format = q_glFormatFromConfig(eglDisplay, eglConfig);
248 VisualID id = QXlibEglIntegration::getCompatibleVisualId(DISPLAY_FROM_XCB(this), eglDisplay, eglConfig);
250 XVisualInfo visualInfoTemplate;
251 memset(&visualInfoTemplate, 0, sizeof(XVisualInfo));
252 visualInfoTemplate.visualid = id;
254 XVisualInfo *visualInfo;
255 int matchingCount = 0;
256 visualInfo = XGetVisualInfo(DISPLAY_FROM_XCB(this), VisualIDMask, &visualInfoTemplate, &matchingCount);
258 qFatal("Could not initialize EGL");
260 m_depth = visualInfo->depth;
261 m_imageFormat = imageFormatForDepth(m_depth);
262 Colormap cmap = XCreateColormap(DISPLAY_FROM_XCB(this), xcb_parent_id, visualInfo->visual, AllocNone);
264 XSetWindowAttributes a;
265 a.background_pixel = WhitePixel(DISPLAY_FROM_XCB(this), m_screen->screenNumber());
266 a.border_pixel = BlackPixel(DISPLAY_FROM_XCB(this), m_screen->screenNumber());
269 m_visualId = visualInfo->visualid;
271 m_window = XCreateWindow(DISPLAY_FROM_XCB(this), xcb_parent_id, rect.x(), rect.y(), rect.width(), rect.height(),
272 0, visualInfo->depth, InputOutput, visualInfo->visual,
273 CWBackPixel|CWBorderPixel|CWColormap, &a);
277 #endif //defined(XCB_USE_GLX) || defined(XCB_USE_EGL)
279 m_window = xcb_generate_id(xcb_connection());
280 m_depth = m_screen->screen()->root_depth;
281 m_imageFormat = imageFormatForDepth(m_depth);
282 m_visualId = m_screen->screen()->root_visual;
284 Q_XCB_CALL(xcb_create_window(xcb_connection(),
285 XCB_COPY_FROM_PARENT, // depth -- same as root
286 m_window, // window id
287 xcb_parent_id, // parent window id
293 XCB_WINDOW_CLASS_INPUT_OUTPUT, // window class
294 m_visualId, // visual
299 connection()->addWindow(m_window, this);
301 Q_XCB_CALL(xcb_change_window_attributes(xcb_connection(), m_window, mask, values));
303 propagateSizeHints();
305 xcb_atom_t properties[4];
306 int propertyCount = 0;
307 properties[propertyCount++] = atom(QXcbAtom::WM_DELETE_WINDOW);
308 properties[propertyCount++] = atom(QXcbAtom::WM_TAKE_FOCUS);
309 properties[propertyCount++] = atom(QXcbAtom::_NET_WM_PING);
311 if (m_screen->syncRequestSupported())
312 properties[propertyCount++] = atom(QXcbAtom::_NET_WM_SYNC_REQUEST);
314 if (window()->windowFlags() & Qt::WindowContextHelpButtonHint)
315 properties[propertyCount++] = atom(QXcbAtom::_NET_WM_CONTEXT_HELP);
317 Q_XCB_CALL(xcb_change_property(xcb_connection(),
318 XCB_PROP_MODE_REPLACE,
320 atom(QXcbAtom::WM_PROTOCOLS),
328 if (m_screen->syncRequestSupported()) {
329 m_syncCounter = xcb_generate_id(xcb_connection());
330 Q_XCB_CALL(xcb_sync_create_counter(xcb_connection(), m_syncCounter, m_syncValue));
332 Q_XCB_CALL(xcb_change_property(xcb_connection(),
333 XCB_PROP_MODE_REPLACE,
335 atom(QXcbAtom::_NET_WM_SYNC_REQUEST_COUNTER),
342 // set the PID to let the WM kill the application if unresponsive
344 Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
345 atom(QXcbAtom::_NET_WM_PID), XCB_ATOM_CARDINAL, 32,
348 xcb_wm_hints_t hints;
349 memset(&hints, 0, sizeof(hints));
350 xcb_wm_hints_set_normal(&hints);
352 xcb_wm_hints_set_input(&hints, !(window()->windowFlags() & Qt::WindowDoesNotAcceptFocus));
354 xcb_set_wm_hints(xcb_connection(), m_window, &hints);
356 xcb_window_t leader = m_screen->clientLeader();
357 Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
358 atom(QXcbAtom::WM_CLIENT_LEADER), XCB_ATOM_WINDOW, 32,
361 #ifdef XCB_USE_XINPUT2_MAEMO
362 if (connection()->isUsingXInput2()) {
363 XIEventMask xieventmask;
364 uchar bitmask[2] = { 0, 0 };
366 xieventmask.deviceid = XIAllMasterDevices;
367 xieventmask.mask = bitmask;
368 xieventmask.mask_len = sizeof(bitmask);
370 XISetMask(bitmask, XI_ButtonPress);
371 XISetMask(bitmask, XI_ButtonRelease);
372 XISetMask(bitmask, XI_Motion);
374 XISelectEvents(DISPLAY_FROM_XCB(this), m_window, &xieventmask, 1);
378 setWindowFlags(window()->windowFlags());
379 setWindowTitle(window()->windowTitle());
380 setWindowState(window()->windowState());
382 if (window()->windowFlags() & Qt::WindowTransparentForInput)
383 setTransparentForMouseEvents(true);
385 #ifndef QT_NO_DRAGANDDROP
386 connection()->drag()->dndEnable(this, true);
390 QXcbWindow::~QXcbWindow()
395 void QXcbWindow::destroy()
397 if (m_syncCounter && m_screen->syncRequestSupported())
398 Q_XCB_CALL(xcb_sync_destroy_counter(xcb_connection(), m_syncCounter));
400 if (m_netWmUserTimeWindow) {
401 xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_NET_WM_USER_TIME_WINDOW));
402 // Some window managers, like metacity, do XSelectInput on the _NET_WM_USER_TIME_WINDOW window,
403 // without trapping BadWindow (which crashes when the user time window is destroyed).
404 connection()->sync();
405 xcb_destroy_window(xcb_connection(), m_netWmUserTimeWindow);
406 m_netWmUserTimeWindow = XCB_NONE;
408 connection()->removeWindow(m_window);
409 Q_XCB_CALL(xcb_destroy_window(xcb_connection(), m_window));
413 #if defined(XCB_USE_EGL)
419 void QXcbWindow::setGeometry(const QRect &rect)
421 QPlatformWindow::setGeometry(rect);
423 propagateSizeHints();
424 const QRect wmGeometry = windowToWmGeometry(rect);
426 const quint32 mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y | XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT;
427 const qint32 values[] = {
428 qBound<qint32>(-XCOORD_MAX, wmGeometry.x(), XCOORD_MAX),
429 qBound<qint32>(-XCOORD_MAX, wmGeometry.y(), XCOORD_MAX),
430 qBound<qint32>(1, wmGeometry.width(), XCOORD_MAX),
431 qBound<qint32>(1, wmGeometry.height(), XCOORD_MAX),
434 Q_XCB_CALL(xcb_configure_window(xcb_connection(), m_window, mask, reinterpret_cast<const quint32*>(values)));
436 xcb_flush(xcb_connection());
439 QMargins QXcbWindow::frameMargins() const
441 if (m_dirtyFrameMargins) {
442 xcb_window_t window = m_window;
443 xcb_window_t parent = m_window;
445 bool foundRoot = false;
447 const QVector<xcb_window_t> &virtualRoots =
448 connection()->wmSupport()->virtualRoots();
451 xcb_query_tree_cookie_t cookie = xcb_query_tree_unchecked(xcb_connection(), parent);
453 xcb_query_tree_reply_t *reply = xcb_query_tree_reply(xcb_connection(), cookie, NULL);
455 if (reply->root == reply->parent || virtualRoots.indexOf(reply->parent) != -1) {
459 parent = reply->parent;
464 m_dirtyFrameMargins = false;
465 m_frameMargins = QMargins();
466 return m_frameMargins;
472 xcb_translate_coordinates_reply_t *reply =
473 xcb_translate_coordinates_reply(
475 xcb_translate_coordinates(xcb_connection(), window, parent, 0, 0),
479 offset = QPoint(reply->dst_x, reply->dst_y);
483 xcb_get_geometry_reply_t *geom =
484 xcb_get_geometry_reply(
486 xcb_get_geometry(xcb_connection(), parent),
491 // add the border_width for the window managers frame... some window managers
492 // do not use a border_width of zero for their frames, and if we the left and
493 // top strut, we ensure that pos() is absolutely correct. frameGeometry()
494 // will still be incorrect though... perhaps i should have foffset as well, to
495 // indicate the frame offset (equal to the border_width on X).
497 // -- copied from qwidget_x11.cpp
499 int left = offset.x() + geom->border_width;
500 int top = offset.y() + geom->border_width;
501 int right = geom->width + geom->border_width - geometry().width() - offset.x();
502 int bottom = geom->height + geom->border_width - geometry().height() - offset.y();
504 m_frameMargins = QMargins(left, top, right, bottom);
509 m_dirtyFrameMargins = false;
512 return m_frameMargins;
515 void QXcbWindow::setVisible(bool visible)
523 void QXcbWindow::show()
525 if (window()->isTopLevel()) {
526 xcb_get_property_cookie_t cookie = xcb_get_wm_hints_unchecked(xcb_connection(), m_window);
528 xcb_wm_hints_t hints;
529 xcb_get_wm_hints_reply(xcb_connection(), cookie, &hints, NULL);
531 if (window()->windowState() & Qt::WindowMinimized)
532 xcb_wm_hints_set_iconic(&hints);
534 xcb_wm_hints_set_normal(&hints);
536 xcb_wm_hints_set_input(&hints, !(window()->windowFlags() & Qt::WindowDoesNotAcceptFocus));
538 xcb_set_wm_hints(xcb_connection(), m_window, &hints);
540 // update WM_NORMAL_HINTS
541 propagateSizeHints();
543 // update WM_TRANSIENT_FOR
544 if (window()->transientParent() && isTransient(window())) {
545 QXcbWindow *transientXcbParent = static_cast<QXcbWindow *>(window()->transientParent()->handle());
546 if (transientXcbParent) {
548 xcb_window_t parentWindow = transientXcbParent->xcb_window();
550 // todo: set transient for group (wm_client_leader) if no parent, a la qwidget_x11.cpp
551 Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
552 XCB_ATOM_WM_TRANSIENT_FOR, XCB_ATOM_WINDOW, 32,
557 // update _MOTIF_WM_HINTS
558 updateMotifWmHintsBeforeMap();
560 // update _NET_WM_STATE
561 updateNetWmStateBeforeMap();
564 if (connection()->time() != XCB_TIME_CURRENT_TIME)
565 updateNetWmUserTime(connection()->time());
567 Q_XCB_CALL(xcb_map_window(xcb_connection(), m_window));
568 xcb_flush(xcb_connection());
570 connection()->sync();
573 void QXcbWindow::hide()
575 Q_XCB_CALL(xcb_unmap_window(xcb_connection(), m_window));
577 // send synthetic UnmapNotify event according to icccm 4.1.4
578 xcb_unmap_notify_event_t event;
579 event.response_type = XCB_UNMAP_NOTIFY;
580 event.event = m_screen->root();
581 event.window = m_window;
582 event.from_configure = false;
583 Q_XCB_CALL(xcb_send_event(xcb_connection(), false, m_screen->root(),
584 XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *)&event));
586 xcb_flush(xcb_connection());
591 struct QtMotifWmHints {
592 quint32 flags, functions, decorations;
598 MWM_HINTS_FUNCTIONS = (1L << 0),
600 MWM_FUNC_ALL = (1L << 0),
601 MWM_FUNC_RESIZE = (1L << 1),
602 MWM_FUNC_MOVE = (1L << 2),
603 MWM_FUNC_MINIMIZE = (1L << 3),
604 MWM_FUNC_MAXIMIZE = (1L << 4),
605 MWM_FUNC_CLOSE = (1L << 5),
607 MWM_HINTS_DECORATIONS = (1L << 1),
609 MWM_DECOR_ALL = (1L << 0),
610 MWM_DECOR_BORDER = (1L << 1),
611 MWM_DECOR_RESIZEH = (1L << 2),
612 MWM_DECOR_TITLE = (1L << 3),
613 MWM_DECOR_MENU = (1L << 4),
614 MWM_DECOR_MINIMIZE = (1L << 5),
615 MWM_DECOR_MAXIMIZE = (1L << 6),
617 MWM_HINTS_INPUT_MODE = (1L << 2),
619 MWM_INPUT_MODELESS = 0L,
620 MWM_INPUT_PRIMARY_APPLICATION_MODAL = 1L,
621 MWM_INPUT_FULL_APPLICATION_MODAL = 3L
624 static QtMotifWmHints getMotifWmHints(QXcbConnection *c, xcb_window_t window)
626 QtMotifWmHints hints;
628 xcb_get_property_cookie_t get_cookie =
629 xcb_get_property_unchecked(c->xcb_connection(), 0, window, c->atom(QXcbAtom::_MOTIF_WM_HINTS),
630 c->atom(QXcbAtom::_MOTIF_WM_HINTS), 0, 20);
632 xcb_get_property_reply_t *reply =
633 xcb_get_property_reply(c->xcb_connection(), get_cookie, NULL);
635 if (reply && reply->format == 32 && reply->type == c->atom(QXcbAtom::_MOTIF_WM_HINTS)) {
636 hints = *((QtMotifWmHints *)xcb_get_property_value(reply));
639 hints.functions = MWM_FUNC_ALL;
640 hints.decorations = MWM_DECOR_ALL;
641 hints.input_mode = 0L;
650 static void setMotifWmHints(QXcbConnection *c, xcb_window_t window, const QtMotifWmHints &hints)
652 if (hints.flags != 0l) {
653 Q_XCB_CALL2(xcb_change_property(c->xcb_connection(),
654 XCB_PROP_MODE_REPLACE,
656 c->atom(QXcbAtom::_MOTIF_WM_HINTS),
657 c->atom(QXcbAtom::_MOTIF_WM_HINTS),
662 Q_XCB_CALL2(xcb_delete_property(c->xcb_connection(), window, c->atom(QXcbAtom::_MOTIF_WM_HINTS)), c);
666 QXcbWindow::NetWmStates QXcbWindow::netWmStates()
668 NetWmStates result(0);
670 xcb_get_property_cookie_t get_cookie =
671 xcb_get_property_unchecked(xcb_connection(), 0, m_window, atom(QXcbAtom::_NET_WM_STATE),
672 XCB_ATOM_ATOM, 0, 1024);
674 xcb_get_property_reply_t *reply =
675 xcb_get_property_reply(xcb_connection(), get_cookie, NULL);
677 if (reply && reply->format == 32 && reply->type == XCB_ATOM_ATOM) {
678 const xcb_atom_t *states = static_cast<const xcb_atom_t *>(xcb_get_property_value(reply));
679 const xcb_atom_t *statesEnd = states + reply->length;
680 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_ABOVE)))
681 result |= NetWmStateAbove;
682 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_BELOW)))
683 result |= NetWmStateBelow;
684 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN)))
685 result |= NetWmStateFullScreen;
686 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ)))
687 result |= NetWmStateMaximizedHorz;
688 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT)))
689 result |= NetWmStateMaximizedVert;
690 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_MODAL)))
691 result |= NetWmStateModal;
692 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_STAYS_ON_TOP)))
693 result |= NetWmStateStaysOnTop;
694 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_DEMANDS_ATTENTION)))
695 result |= NetWmStateDemandsAttention;
698 #ifdef NET_WM_STATE_DEBUG
699 printf("getting net wm state (%x), empty\n", m_window);
706 void QXcbWindow::setNetWmStates(NetWmStates states)
708 QVector<xcb_atom_t> atoms;
709 if (states & NetWmStateAbove)
710 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_ABOVE));
711 if (states & NetWmStateBelow)
712 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_BELOW));
713 if (states & NetWmStateFullScreen)
714 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN));
715 if (states & NetWmStateMaximizedHorz)
716 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ));
717 if (states & NetWmStateMaximizedVert)
718 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT));
719 if (states & NetWmStateModal)
720 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_MODAL));
721 if (states & NetWmStateStaysOnTop)
722 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_STAYS_ON_TOP));
723 if (states & NetWmStateDemandsAttention)
724 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_DEMANDS_ATTENTION));
726 if (atoms.isEmpty()) {
727 Q_XCB_CALL(xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_NET_WM_STATE)));
729 Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
730 atom(QXcbAtom::_NET_WM_STATE), XCB_ATOM_ATOM, 32,
731 atoms.count(), atoms.constData()));
733 xcb_flush(xcb_connection());
736 Qt::WindowFlags QXcbWindow::setWindowFlags(Qt::WindowFlags flags)
738 Qt::WindowType type = static_cast<Qt::WindowType>(int(flags & Qt::WindowType_Mask));
740 if (type == Qt::ToolTip)
741 flags |= Qt::WindowStaysOnTopHint | Qt::FramelessWindowHint | Qt::X11BypassWindowManagerHint;
742 if (type == Qt::Popup)
743 flags |= Qt::X11BypassWindowManagerHint;
745 if (flags & Qt::WindowTransparentForInput) {
746 uint32_t mask = XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_VISIBILITY_CHANGE
747 | XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_RESIZE_REDIRECT
748 | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT
749 | XCB_EVENT_MASK_FOCUS_CHANGE | XCB_EVENT_MASK_PROPERTY_CHANGE
750 | XCB_EVENT_MASK_COLOR_MAP_CHANGE | XCB_EVENT_MASK_OWNER_GRAB_BUTTON;
751 xcb_change_window_attributes(xcb_connection(), xcb_window(), XCB_CW_EVENT_MASK, &mask);
754 setNetWmWindowFlags(flags);
755 setMotifWindowFlags(flags);
757 setTransparentForMouseEvents(flags & Qt::WindowTransparentForInput);
758 updateDoesNotAcceptFocus(flags & Qt::WindowDoesNotAcceptFocus);
763 void QXcbWindow::setMotifWindowFlags(Qt::WindowFlags flags)
765 Qt::WindowType type = static_cast<Qt::WindowType>(int(flags & Qt::WindowType_Mask));
767 QtMotifWmHints mwmhints;
769 mwmhints.functions = 0L;
770 mwmhints.decorations = 0;
771 mwmhints.input_mode = 0L;
772 mwmhints.status = 0L;
774 if (type != Qt::SplashScreen) {
775 mwmhints.flags |= MWM_HINTS_DECORATIONS;
777 bool customize = flags & Qt::CustomizeWindowHint;
778 if (!(flags & Qt::FramelessWindowHint) && !(customize && !(flags & Qt::WindowTitleHint))) {
779 mwmhints.decorations |= MWM_DECOR_BORDER;
780 mwmhints.decorations |= MWM_DECOR_RESIZEH;
782 if (flags & Qt::WindowTitleHint)
783 mwmhints.decorations |= MWM_DECOR_TITLE;
785 if (flags & Qt::WindowSystemMenuHint)
786 mwmhints.decorations |= MWM_DECOR_MENU;
788 if (flags & Qt::WindowMinimizeButtonHint) {
789 mwmhints.decorations |= MWM_DECOR_MINIMIZE;
790 mwmhints.functions |= MWM_FUNC_MINIMIZE;
793 if (flags & Qt::WindowMaximizeButtonHint) {
794 mwmhints.decorations |= MWM_DECOR_MAXIMIZE;
795 mwmhints.functions |= MWM_FUNC_MAXIMIZE;
798 if (flags & Qt::WindowCloseButtonHint)
799 mwmhints.functions |= MWM_FUNC_CLOSE;
802 // if type == Qt::SplashScreen
803 mwmhints.decorations = MWM_DECOR_ALL;
806 if (mwmhints.functions != 0) {
807 mwmhints.flags |= MWM_HINTS_FUNCTIONS;
808 mwmhints.functions |= MWM_FUNC_MOVE | MWM_FUNC_RESIZE;
810 mwmhints.functions = MWM_FUNC_ALL;
813 if (!(flags & Qt::FramelessWindowHint)
814 && flags & Qt::CustomizeWindowHint
815 && flags & Qt::WindowTitleHint
817 (Qt::WindowMinimizeButtonHint
818 | Qt::WindowMaximizeButtonHint
819 | Qt::WindowCloseButtonHint)))
821 // a special case - only the titlebar without any button
822 mwmhints.flags = MWM_HINTS_FUNCTIONS;
823 mwmhints.functions = MWM_FUNC_MOVE | MWM_FUNC_RESIZE;
824 mwmhints.decorations = 0;
827 setMotifWmHints(connection(), m_window, mwmhints);
830 void QXcbWindow::changeNetWmState(bool set, xcb_atom_t one, xcb_atom_t two)
832 xcb_client_message_event_t event;
834 event.response_type = XCB_CLIENT_MESSAGE;
836 event.window = m_window;
837 event.type = atom(QXcbAtom::_NET_WM_STATE);
838 event.data.data32[0] = set ? 1 : 0;
839 event.data.data32[1] = one;
840 event.data.data32[2] = two;
841 event.data.data32[3] = 0;
842 event.data.data32[4] = 0;
844 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));
847 Qt::WindowState QXcbWindow::setWindowState(Qt::WindowState state)
849 if (state == m_windowState)
853 switch (m_windowState) {
854 case Qt::WindowMinimized:
855 Q_XCB_CALL(xcb_map_window(xcb_connection(), m_window));
857 case Qt::WindowMaximized:
858 changeNetWmState(false,
859 atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ),
860 atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT));
862 case Qt::WindowFullScreen:
863 changeNetWmState(false, atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN));
871 case Qt::WindowMinimized:
873 xcb_client_message_event_t event;
875 event.response_type = XCB_CLIENT_MESSAGE;
877 event.window = m_window;
878 event.type = atom(QXcbAtom::WM_CHANGE_STATE);
879 event.data.data32[0] = XCB_WM_STATE_ICONIC;
880 event.data.data32[1] = 0;
881 event.data.data32[2] = 0;
882 event.data.data32[3] = 0;
883 event.data.data32[4] = 0;
885 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));
888 case Qt::WindowMaximized:
889 changeNetWmState(true,
890 atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ),
891 atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT));
893 case Qt::WindowFullScreen:
894 changeNetWmState(true, atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN));
896 case Qt::WindowNoState:
902 connection()->sync();
904 m_windowState = state;
905 return m_windowState;
908 void QXcbWindow::setNetWmWindowFlags(Qt::WindowFlags flags)
910 // in order of decreasing priority
911 QVector<uint> windowTypes;
913 Qt::WindowType type = static_cast<Qt::WindowType>(int(flags & Qt::WindowType_Mask));
918 windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_DIALOG));
922 windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_UTILITY));
925 windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_TOOLTIP));
927 case Qt::SplashScreen:
928 windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_SPLASH));
934 if (flags & Qt::FramelessWindowHint)
935 windowTypes.append(atom(QXcbAtom::_KDE_NET_WM_WINDOW_TYPE_OVERRIDE));
937 windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_NORMAL));
939 Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
940 atom(QXcbAtom::_NET_WM_WINDOW_TYPE), XCB_ATOM_ATOM, 32,
941 windowTypes.count(), windowTypes.constData()));
944 void QXcbWindow::updateMotifWmHintsBeforeMap()
946 QtMotifWmHints mwmhints = getMotifWmHints(connection(), m_window);
948 if (window()->windowModality() != Qt::NonModal) {
949 switch (window()->windowModality()) {
950 case Qt::WindowModal:
951 mwmhints.input_mode = MWM_INPUT_PRIMARY_APPLICATION_MODAL;
953 case Qt::ApplicationModal:
955 mwmhints.input_mode = MWM_INPUT_FULL_APPLICATION_MODAL;
958 mwmhints.flags |= MWM_HINTS_INPUT_MODE;
960 mwmhints.input_mode = MWM_INPUT_MODELESS;
961 mwmhints.flags &= ~MWM_HINTS_INPUT_MODE;
964 if (window()->minimumSize() == window()->maximumSize()) {
965 // fixed size, remove the resize handle (since mwm/dtwm
966 // isn't smart enough to do it itself)
967 mwmhints.flags |= MWM_HINTS_FUNCTIONS;
968 if (mwmhints.functions == MWM_FUNC_ALL) {
969 mwmhints.functions = MWM_FUNC_MOVE;
971 mwmhints.functions &= ~MWM_FUNC_RESIZE;
974 if (mwmhints.decorations == MWM_DECOR_ALL) {
975 mwmhints.flags |= MWM_HINTS_DECORATIONS;
976 mwmhints.decorations = (MWM_DECOR_BORDER
980 mwmhints.decorations &= ~MWM_DECOR_RESIZEH;
984 if (window()->windowFlags() & Qt::WindowMinimizeButtonHint) {
985 mwmhints.flags |= MWM_HINTS_DECORATIONS;
986 mwmhints.decorations |= MWM_DECOR_MINIMIZE;
987 mwmhints.functions |= MWM_FUNC_MINIMIZE;
989 if (window()->windowFlags() & Qt::WindowMaximizeButtonHint) {
990 mwmhints.flags |= MWM_HINTS_DECORATIONS;
991 mwmhints.decorations |= MWM_DECOR_MAXIMIZE;
992 mwmhints.functions |= MWM_FUNC_MAXIMIZE;
994 if (window()->windowFlags() & Qt::WindowCloseButtonHint)
995 mwmhints.functions |= MWM_FUNC_CLOSE;
997 setMotifWmHints(connection(), m_window, mwmhints);
1000 void QXcbWindow::updateNetWmStateBeforeMap()
1002 NetWmStates states(0);
1004 const Qt::WindowFlags flags = window()->windowFlags();
1005 if (flags & Qt::WindowStaysOnTopHint) {
1006 states |= NetWmStateAbove;
1007 states |= NetWmStateStaysOnTop;
1008 } else if (flags & Qt::WindowStaysOnBottomHint) {
1009 states |= NetWmStateBelow;
1012 if (window()->windowState() & Qt::WindowFullScreen)
1013 states |= NetWmStateFullScreen;
1015 if (window()->windowState() & Qt::WindowMaximized) {
1016 states |= NetWmStateMaximizedHorz;
1017 states |= NetWmStateMaximizedVert;
1020 if (window()->windowModality() != Qt::NonModal)
1021 states |= NetWmStateModal;
1023 setNetWmStates(states);
1026 void QXcbWindow::updateNetWmUserTime(xcb_timestamp_t timestamp)
1028 xcb_window_t wid = m_window;
1030 const bool isSupportedByWM = connection()->wmSupport()->isSupportedByWM(atom(QXcbAtom::_NET_WM_USER_TIME_WINDOW));
1031 if (m_netWmUserTimeWindow || isSupportedByWM) {
1032 if (!m_netWmUserTimeWindow) {
1033 m_netWmUserTimeWindow = xcb_generate_id(xcb_connection());
1034 Q_XCB_CALL(xcb_create_window(xcb_connection(),
1035 XCB_COPY_FROM_PARENT, // depth -- same as root
1036 m_netWmUserTimeWindow, // window id
1037 m_window, // parent window id
1040 XCB_WINDOW_CLASS_INPUT_OUTPUT, // window class
1041 m_visualId, // visual
1044 wid = m_netWmUserTimeWindow;
1045 xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window, atom(QXcbAtom::_NET_WM_USER_TIME_WINDOW),
1046 XCB_ATOM_WINDOW, 32, 1, &m_netWmUserTimeWindow);
1047 xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_NET_WM_USER_TIME));
1048 } else if (!isSupportedByWM) {
1049 // WM no longer supports it, then we should remove the
1050 // _NET_WM_USER_TIME_WINDOW atom.
1051 xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_NET_WM_USER_TIME_WINDOW));
1052 xcb_destroy_window(xcb_connection(), m_netWmUserTimeWindow);
1053 m_netWmUserTimeWindow = XCB_NONE;
1055 wid = m_netWmUserTimeWindow;
1058 xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, wid, atom(QXcbAtom::_NET_WM_USER_TIME),
1059 XCB_ATOM_CARDINAL, 32, 1, ×tamp);
1062 void QXcbWindow::setTransparentForMouseEvents(bool transparent)
1064 if (transparent == m_transparent)
1067 xcb_rectangle_t rectangle;
1069 xcb_rectangle_t *rect = 0;
1075 rectangle.width = geometry().width();
1076 rectangle.height = geometry().height();
1081 xcb_xfixes_region_t region = xcb_generate_id(xcb_connection());
1082 xcb_xfixes_create_region(xcb_connection(), region, nrect, rect);
1083 xcb_xfixes_set_window_shape_region_checked(xcb_connection(), m_window, XCB_SHAPE_SK_INPUT, 0, 0, region);
1084 xcb_xfixes_destroy_region(xcb_connection(), region);
1086 m_transparent = transparent;
1089 void QXcbWindow::updateDoesNotAcceptFocus(bool doesNotAcceptFocus)
1091 xcb_get_property_cookie_t cookie = xcb_get_wm_hints_unchecked(xcb_connection(), m_window);
1093 xcb_wm_hints_t hints;
1094 if (!xcb_get_wm_hints_reply(xcb_connection(), cookie, &hints, NULL)) {
1098 xcb_wm_hints_set_input(&hints, !doesNotAcceptFocus);
1099 xcb_set_wm_hints(xcb_connection(), m_window, &hints);
1102 WId QXcbWindow::winId() const
1107 void QXcbWindow::setParent(const QPlatformWindow *parent)
1109 // re-create for compatibility
1112 QPoint topLeft = geometry().topLeft();
1114 xcb_window_t xcb_parent_id = parent ? static_cast<const QXcbWindow *>(parent)->xcb_window() : m_screen->root();
1115 Q_XCB_CALL(xcb_reparent_window(xcb_connection(), xcb_window(), xcb_parent_id, topLeft.x(), topLeft.y()));
1118 void QXcbWindow::setWindowTitle(const QString &title)
1120 QByteArray ba = title.toUtf8();
1121 Q_XCB_CALL(xcb_change_property(xcb_connection(),
1122 XCB_PROP_MODE_REPLACE,
1124 atom(QXcbAtom::_NET_WM_NAME),
1125 atom(QXcbAtom::UTF8_STRING),
1131 void QXcbWindow::setWindowIcon(const QIcon &icon)
1133 QVector<quint32> icon_data;
1135 if (!icon.isNull()) {
1136 QList<QSize> availableSizes = icon.availableSizes();
1137 if (availableSizes.isEmpty()) {
1138 // try to use default sizes since the icon can be a scalable image like svg.
1139 availableSizes.push_back(QSize(16,16));
1140 availableSizes.push_back(QSize(32,32));
1141 availableSizes.push_back(QSize(64,64));
1142 availableSizes.push_back(QSize(128,128));
1144 for (int i = 0; i < availableSizes.size(); ++i) {
1145 QSize size = availableSizes.at(i);
1146 QPixmap pixmap = icon.pixmap(size);
1147 if (!pixmap.isNull()) {
1148 QImage image = pixmap.toImage().convertToFormat(QImage::Format_ARGB32);
1149 int pos = icon_data.size();
1150 icon_data.resize(pos + 2 + image.width()*image.height());
1151 icon_data[pos++] = image.width();
1152 icon_data[pos++] = image.height();
1153 memcpy(icon_data.data() + pos, image.bits(), image.width()*image.height()*4);
1158 if (!icon_data.isEmpty()) {
1159 Q_XCB_CALL(xcb_change_property(xcb_connection(),
1160 XCB_PROP_MODE_REPLACE,
1162 atom(QXcbAtom::_NET_WM_ICON),
1163 atom(QXcbAtom::CARDINAL),
1166 (unsigned char *) icon_data.data()));
1168 Q_XCB_CALL(xcb_delete_property(xcb_connection(),
1170 atom(QXcbAtom::_NET_WM_ICON)));
1174 void QXcbWindow::raise()
1176 const quint32 mask = XCB_CONFIG_WINDOW_STACK_MODE;
1177 const quint32 values[] = { XCB_STACK_MODE_ABOVE };
1178 Q_XCB_CALL(xcb_configure_window(xcb_connection(), m_window, mask, values));
1181 void QXcbWindow::lower()
1183 const quint32 mask = XCB_CONFIG_WINDOW_STACK_MODE;
1184 const quint32 values[] = { XCB_STACK_MODE_BELOW };
1185 Q_XCB_CALL(xcb_configure_window(xcb_connection(), m_window, mask, values));
1188 // Adapt the geometry to match the WM expection with regards
1190 QRect QXcbWindow::windowToWmGeometry(QRect r) const
1192 if (m_dirtyFrameMargins || m_frameMargins.isNull())
1194 const bool frameInclusive = positionIncludesFrame(window());
1195 // XCB_GRAVITY_STATIC requires the inner geometry, whereas
1196 // XCB_GRAVITY_NORTH_WEST requires the frame geometry
1197 if (frameInclusive && m_gravity == XCB_GRAVITY_STATIC) {
1198 r.translate(m_frameMargins.left(), m_frameMargins.top());
1199 } else if (!frameInclusive && m_gravity == XCB_GRAVITY_NORTH_WEST) {
1200 r.translate(-m_frameMargins.left(), -m_frameMargins.top());
1205 void QXcbWindow::propagateSizeHints()
1207 // update WM_NORMAL_HINTS
1208 xcb_size_hints_t hints;
1209 memset(&hints, 0, sizeof(hints));
1211 const QRect rect = windowToWmGeometry(geometry());
1213 QWindow *win = window();
1215 xcb_size_hints_set_position(&hints, true, rect.x(), rect.y());
1216 xcb_size_hints_set_size(&hints, true, rect.width(), rect.height());
1217 xcb_size_hints_set_win_gravity(&hints, m_gravity);
1219 QSize minimumSize = win->minimumSize();
1220 QSize maximumSize = win->maximumSize();
1221 QSize baseSize = win->baseSize();
1222 QSize sizeIncrement = win->sizeIncrement();
1224 if (minimumSize.width() > 0 || minimumSize.height() > 0)
1225 xcb_size_hints_set_min_size(&hints, minimumSize.width(), minimumSize.height());
1227 if (maximumSize.width() < QWINDOWSIZE_MAX || maximumSize.height() < QWINDOWSIZE_MAX)
1228 xcb_size_hints_set_max_size(&hints,
1229 qMin(XCOORD_MAX, maximumSize.width()),
1230 qMin(XCOORD_MAX, maximumSize.height()));
1232 if (sizeIncrement.width() > 0 || sizeIncrement.height() > 0) {
1233 xcb_size_hints_set_base_size(&hints, baseSize.width(), baseSize.height());
1234 xcb_size_hints_set_resize_inc(&hints, sizeIncrement.width(), sizeIncrement.height());
1237 xcb_set_wm_normal_hints(xcb_connection(), m_window, &hints);
1240 void QXcbWindow::requestActivateWindow()
1243 m_deferredActivation = true;
1246 m_deferredActivation = false;
1248 updateNetWmUserTime(connection()->time());
1250 if (window()->isTopLevel()
1251 && connection()->wmSupport()->isSupportedByWM(atom(QXcbAtom::_NET_ACTIVE_WINDOW))) {
1252 xcb_client_message_event_t event;
1254 event.response_type = XCB_CLIENT_MESSAGE;
1256 event.window = m_window;
1257 event.type = atom(QXcbAtom::_NET_ACTIVE_WINDOW);
1258 event.data.data32[0] = 1;
1259 event.data.data32[1] = connection()->time();
1260 QWindow *focusWindow = QGuiApplication::focusWindow();
1261 event.data.data32[2] = focusWindow ? focusWindow->winId() : XCB_NONE;
1262 event.data.data32[3] = 0;
1263 event.data.data32[4] = 0;
1265 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));
1267 Q_XCB_CALL(xcb_set_input_focus(xcb_connection(), XCB_INPUT_FOCUS_PARENT, m_window, connection()->time()));
1270 connection()->sync();
1273 #if XCB_USE_MAEMO_WINDOW_PROPERTIES
1274 void QXcbWindow::handleContentOrientationChange(Qt::ScreenOrientation orientation)
1277 switch (orientation) {
1278 case Qt::PortraitOrientation: angle = 270; break;
1279 case Qt::LandscapeOrientation: angle = 0; break;
1280 case Qt::InvertedPortraitOrientation: angle = 90; break;
1281 case Qt::InvertedLandscapeOrientation: angle = 180; break;
1282 case Qt::PrimaryOrientation: break;
1284 Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
1285 atom(QXcbAtom::MeegoTouchOrientationAngle), XCB_ATOM_CARDINAL, 32,
1290 QSurfaceFormat QXcbWindow::format() const
1292 // ### return actual format
1296 #if defined(XCB_USE_EGL)
1297 QXcbEGLSurface *QXcbWindow::eglSurface() const
1299 if (!m_eglSurface) {
1300 EGLDisplay display = connection()->egl_display();
1301 EGLConfig config = q_configFromGLFormat(display, window()->requestedFormat(), true);
1302 EGLSurface surface = eglCreateWindowSurface(display, config, (EGLNativeWindowType)m_window, 0);
1304 m_eglSurface = new QXcbEGLSurface(display, surface);
1307 return m_eglSurface;
1311 void QXcbWindow::handleExposeEvent(const xcb_expose_event_t *event)
1313 QRect rect(event->x, event->y, event->width, event->height);
1315 if (m_exposeRegion.isEmpty())
1316 m_exposeRegion = rect;
1318 m_exposeRegion |= rect;
1320 // if count is non-zero there are more expose events pending
1321 if (event->count == 0) {
1322 QWindowSystemInterface::handleExposeEvent(window(), m_exposeRegion);
1323 m_exposeRegion = QRegion();
1327 void QXcbWindow::handleClientMessageEvent(const xcb_client_message_event_t *event)
1329 if (event->format != 32)
1332 if (event->type == atom(QXcbAtom::WM_PROTOCOLS)) {
1333 if (event->data.data32[0] == atom(QXcbAtom::WM_DELETE_WINDOW)) {
1334 QWindowSystemInterface::handleCloseEvent(window());
1335 } else if (event->data.data32[0] == atom(QXcbAtom::WM_TAKE_FOCUS)) {
1336 connection()->setTime(event->data.data32[1]);
1337 } else if (event->data.data32[0] == atom(QXcbAtom::_NET_WM_PING)) {
1338 xcb_client_message_event_t reply = *event;
1340 reply.response_type = XCB_CLIENT_MESSAGE;
1341 reply.window = m_screen->root();
1343 xcb_send_event(xcb_connection(), 0, m_screen->root(), XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *)&reply);
1344 xcb_flush(xcb_connection());
1345 } else if (event->data.data32[0] == atom(QXcbAtom::_NET_WM_SYNC_REQUEST)) {
1346 connection()->setTime(event->data.data32[1]);
1347 m_syncValue.lo = event->data.data32[2];
1348 m_syncValue.hi = event->data.data32[3];
1350 qWarning() << "QXcbWindow: Unhandled WM_PROTOCOLS message:" << connection()->atomName(event->data.data32[0]);
1352 #ifndef QT_NO_DRAGANDDROP
1353 } else if (event->type == atom(QXcbAtom::XdndEnter)) {
1354 connection()->drag()->handleEnter(window(), event);
1355 } else if (event->type == atom(QXcbAtom::XdndPosition)) {
1356 connection()->drag()->handlePosition(window(), event);
1357 } else if (event->type == atom(QXcbAtom::XdndLeave)) {
1358 connection()->drag()->handleLeave(window(), event);
1359 } else if (event->type == atom(QXcbAtom::XdndDrop)) {
1360 connection()->drag()->handleDrop(window(), event);
1362 } else if (event->type == atom(QXcbAtom::_XEMBED)) { // QSystemTrayIcon
1364 qWarning() << "QXcbWindow: Unhandled client message:" << connection()->atomName(event->type);
1368 void QXcbWindow::handleConfigureNotifyEvent(const xcb_configure_notify_event_t *event)
1370 bool fromSendEvent = (event->response_type & 0x80);
1371 QPoint pos(event->x, event->y);
1372 if (!parent() && !fromSendEvent) {
1373 // Do not trust the position, query it instead.
1374 xcb_translate_coordinates_cookie_t cookie = xcb_translate_coordinates(xcb_connection(), xcb_window(),
1375 m_screen->root(), 0, 0);
1376 xcb_translate_coordinates_reply_t *reply = xcb_translate_coordinates_reply(xcb_connection(), cookie, NULL);
1378 pos.setX(reply->dst_x);
1379 pos.setY(reply->dst_y);
1384 QRect rect(pos, QSize(event->width, event->height));
1386 QPlatformWindow::setGeometry(rect);
1387 QWindowSystemInterface::handleGeometryChange(window(), rect);
1389 m_configureNotifyPending = false;
1391 if (m_deferredExpose) {
1392 m_deferredExpose = false;
1393 QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(), geometry().size()));
1396 m_dirtyFrameMargins = true;
1400 static_cast<QDri2Context *>(m_context)->resize(rect.size());
1404 bool QXcbWindow::isExposed() const
1409 void QXcbWindow::handleMapNotifyEvent(const xcb_map_notify_event_t *event)
1411 if (event->window == m_window) {
1413 if (m_deferredActivation)
1414 requestActivateWindow();
1415 if (m_configureNotifyPending)
1416 m_deferredExpose = true;
1418 QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(), geometry().size()));
1422 void QXcbWindow::handleUnmapNotifyEvent(const xcb_unmap_notify_event_t *event)
1424 if (event->window == m_window) {
1426 QWindowSystemInterface::handleExposeEvent(window(), QRegion());
1430 static Qt::MouseButtons translateMouseButtons(int s)
1432 Qt::MouseButtons ret = 0;
1433 if (s & XCB_BUTTON_MASK_1)
1434 ret |= Qt::LeftButton;
1435 if (s & XCB_BUTTON_MASK_2)
1436 ret |= Qt::MidButton;
1437 if (s & XCB_BUTTON_MASK_3)
1438 ret |= Qt::RightButton;
1442 static Qt::MouseButton translateMouseButton(xcb_button_t s)
1445 case 1: return Qt::LeftButton;
1446 case 2: return Qt::MidButton;
1447 case 3: return Qt::RightButton;
1448 // Button values 4-7 were already handled as Wheel events, and won't occur here.
1449 case 8: return Qt::BackButton; // Also known as Qt::ExtraButton1
1450 case 9: return Qt::ForwardButton; // Also known as Qt::ExtraButton2
1451 case 10: return Qt::ExtraButton3;
1452 case 11: return Qt::ExtraButton4;
1453 case 12: return Qt::ExtraButton5;
1454 case 13: return Qt::ExtraButton6;
1455 case 14: return Qt::ExtraButton7;
1456 case 15: return Qt::ExtraButton8;
1457 case 16: return Qt::ExtraButton9;
1458 case 17: return Qt::ExtraButton10;
1459 case 18: return Qt::ExtraButton11;
1460 case 19: return Qt::ExtraButton12;
1461 case 20: return Qt::ExtraButton13;
1462 case 21: return Qt::ExtraButton14;
1463 case 22: return Qt::ExtraButton15;
1464 case 23: return Qt::ExtraButton16;
1465 case 24: return Qt::ExtraButton17;
1466 case 25: return Qt::ExtraButton18;
1467 case 26: return Qt::ExtraButton19;
1468 case 27: return Qt::ExtraButton20;
1469 case 28: return Qt::ExtraButton21;
1470 case 29: return Qt::ExtraButton22;
1471 case 30: return Qt::ExtraButton23;
1472 case 31: return Qt::ExtraButton24;
1473 default: return Qt::NoButton;
1477 void QXcbWindow::handleButtonPressEvent(const xcb_button_press_event_t *event)
1479 updateNetWmUserTime(event->time);
1481 QPoint local(event->event_x, event->event_y);
1482 QPoint global(event->root_x, event->root_y);
1484 Qt::KeyboardModifiers modifiers = connection()->keyboard()->translateModifiers(event->state);
1486 if (event->detail >= 4 && event->detail <= 7) {
1487 // Logic borrowed from qapplication_x11.cpp
1488 int delta = 120 * ((event->detail == 4 || event->detail == 6) ? 1 : -1);
1489 bool hor = (((event->detail == 4 || event->detail == 5)
1490 && (modifiers & Qt::AltModifier))
1491 || (event->detail == 6 || event->detail == 7));
1493 QWindowSystemInterface::handleWheelEvent(window(), event->time,
1494 local, global, delta, hor ? Qt::Horizontal : Qt::Vertical, modifiers);
1498 handleMouseEvent(event->detail, event->state, event->time, local, global, modifiers);
1501 void QXcbWindow::handleButtonReleaseEvent(const xcb_button_release_event_t *event)
1503 QPoint local(event->event_x, event->event_y);
1504 QPoint global(event->root_x, event->root_y);
1505 Qt::KeyboardModifiers modifiers = connection()->keyboard()->translateModifiers(event->state);
1507 handleMouseEvent(event->detail, event->state, event->time, local, global, modifiers);
1510 void QXcbWindow::handleMotionNotifyEvent(const xcb_motion_notify_event_t *event)
1512 QPoint local(event->event_x, event->event_y);
1513 QPoint global(event->root_x, event->root_y);
1514 Qt::KeyboardModifiers modifiers = connection()->keyboard()->translateModifiers(event->state);
1516 handleMouseEvent(event->detail, event->state, event->time, local, global, modifiers);
1519 void QXcbWindow::handleMouseEvent(xcb_button_t detail, uint16_t state, xcb_timestamp_t time, const QPoint &local, const QPoint &global, Qt::KeyboardModifiers modifiers)
1521 connection()->setTime(time);
1523 Qt::MouseButtons buttons = translateMouseButtons(state);
1524 Qt::MouseButton button = translateMouseButton(detail);
1526 buttons ^= button; // X event uses state *before*, Qt uses state *after*
1528 QWindowSystemInterface::handleMouseEvent(window(), time, local, global, buttons, modifiers);
1531 void QXcbWindow::handleEnterNotifyEvent(const xcb_enter_notify_event_t *event)
1533 connection()->setTime(event->time);
1535 if ((event->mode != XCB_NOTIFY_MODE_NORMAL && event->mode != XCB_NOTIFY_MODE_UNGRAB)
1536 || event->detail == XCB_NOTIFY_DETAIL_VIRTUAL
1537 || event->detail == XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL)
1542 QWindowSystemInterface::handleEnterEvent(window());
1545 void QXcbWindow::handleLeaveNotifyEvent(const xcb_leave_notify_event_t *event)
1547 connection()->setTime(event->time);
1549 if ((event->mode != XCB_NOTIFY_MODE_NORMAL && event->mode != XCB_NOTIFY_MODE_UNGRAB)
1550 || event->detail == XCB_NOTIFY_DETAIL_INFERIOR)
1555 QWindowSystemInterface::handleLeaveEvent(window());
1558 void QXcbWindow::handlePropertyNotifyEvent(const xcb_property_notify_event_t *event)
1560 connection()->setTime(event->time);
1562 const bool propertyDeleted = event->state == XCB_PROPERTY_DELETE;
1563 const xcb_atom_t netWmStateAtom = atom(QXcbAtom::_NET_WM_STATE);
1564 const xcb_atom_t wmStateAtom = atom(QXcbAtom::WM_STATE);
1566 if (event->atom == netWmStateAtom || event->atom == wmStateAtom) {
1567 if (propertyDeleted)
1570 Qt::WindowState newState = Qt::WindowNoState;
1571 if (event->atom == wmStateAtom) { // WM_STATE: Quick check for 'Minimize'.
1572 const xcb_get_property_cookie_t get_cookie =
1573 xcb_get_property(xcb_connection(), 0, m_window, wmStateAtom,
1574 XCB_ATOM_ANY, 0, 1024);
1576 xcb_get_property_reply_t *reply =
1577 xcb_get_property_reply(xcb_connection(), get_cookie, NULL);
1579 if (reply && reply->format == 32 && reply->type == wmStateAtom) {
1580 const long *data = (const long *)xcb_get_property_value(reply);
1581 if (reply->length != 0 && XCB_WM_STATE_ICONIC == data[0])
1582 newState = Qt::WindowMinimized;
1585 } // WM_STATE: Quick check for 'Minimize'.
1586 if (newState != Qt::WindowMinimized) { // Something else changed, get _NET_WM_STATE.
1587 const NetWmStates states = netWmStates();
1588 if ((states & NetWmStateMaximizedHorz) && (states & NetWmStateMaximizedVert))
1589 newState = Qt::WindowMaximized;
1590 else if (states & NetWmStateFullScreen)
1591 newState = Qt::WindowFullScreen;
1593 // Send Window state, compress events in case other flags (modality, etc) are changed.
1594 if (m_lastWindowStateEvent != newState) {
1595 QWindowSystemInterface::handleWindowStateChanged(window(), newState);
1596 m_lastWindowStateEvent = newState;
1601 void QXcbWindow::handleFocusInEvent(const xcb_focus_in_event_t *)
1603 QWindowSystemInterface::handleWindowActivated(window());
1606 static bool focusInPeeker(xcb_generic_event_t *event)
1609 // FocusIn event is not in the queue, proceed with FocusOut normally.
1610 QWindowSystemInterface::handleWindowActivated(0);
1613 uint response_type = event->response_type & ~0x80;
1614 return response_type == XCB_FOCUS_IN;
1617 void QXcbWindow::handleFocusOutEvent(const xcb_focus_out_event_t *)
1619 // Do not set the active window to 0 if there is a FocusIn coming.
1620 // There is however no equivalent for XPutBackEvent so register a
1621 // callback for QXcbConnection instead.
1622 connection()->addPeekFunc(focusInPeeker);
1625 void QXcbWindow::updateSyncRequestCounter()
1627 if (m_screen->syncRequestSupported() && (m_syncValue.lo != 0 || m_syncValue.hi != 0)) {
1628 Q_XCB_CALL(xcb_sync_set_counter(xcb_connection(), m_syncCounter, m_syncValue));
1629 xcb_flush(xcb_connection());
1630 connection()->sync();
1637 bool QXcbWindow::setKeyboardGrabEnabled(bool grab)
1640 xcb_ungrab_keyboard(xcb_connection(), XCB_TIME_CURRENT_TIME);
1643 xcb_grab_keyboard_cookie_t cookie = xcb_grab_keyboard(xcb_connection(), false,
1644 m_window, XCB_TIME_CURRENT_TIME,
1645 XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
1646 xcb_grab_keyboard_reply_t *reply = xcb_grab_keyboard_reply(xcb_connection(), cookie, NULL);
1647 bool result = !(!reply || reply->status != XCB_GRAB_STATUS_SUCCESS);
1652 bool QXcbWindow::setMouseGrabEnabled(bool grab)
1655 xcb_ungrab_pointer(xcb_connection(), XCB_TIME_CURRENT_TIME);
1658 xcb_grab_pointer_cookie_t cookie = xcb_grab_pointer(xcb_connection(), false, m_window,
1659 (XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE
1660 | XCB_EVENT_MASK_BUTTON_MOTION | XCB_EVENT_MASK_ENTER_WINDOW
1661 | XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_POINTER_MOTION),
1662 XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
1663 XCB_WINDOW_NONE, XCB_CURSOR_NONE,
1664 XCB_TIME_CURRENT_TIME);
1665 xcb_grab_pointer_reply_t *reply = xcb_grab_pointer_reply(xcb_connection(), cookie, NULL);
1666 bool result = !(!reply || reply->status != XCB_GRAB_STATUS_SUCCESS);
1671 void QXcbWindow::setCursor(xcb_cursor_t cursor)
1673 xcb_change_window_attributes(xcb_connection(), m_window, XCB_CW_CURSOR, &cursor);
1674 xcb_flush(xcb_connection());
1677 bool QXcbWindow::startSystemResize(const QPoint &pos, Qt::Corner corner)
1679 const xcb_atom_t moveResize = connection()->atom(QXcbAtom::_NET_WM_MOVERESIZE);
1680 if (!connection()->wmSupport()->isSupportedByWM(moveResize))
1682 xcb_client_message_event_t xev;
1683 xev.response_type = XCB_CLIENT_MESSAGE;
1684 xev.type = moveResize;
1685 xev.window = xcb_window();
1687 const QPoint globalPos = window()->mapToGlobal(pos);
1688 xev.data.data32[0] = globalPos.x();
1689 xev.data.data32[1] = globalPos.y();
1690 const bool bottom = corner == Qt::BottomRightCorner || corner == Qt::BottomLeftCorner;
1691 const bool left = corner == Qt::BottomLeftCorner || corner == Qt::TopLeftCorner;
1693 xev.data.data32[2] = left ? 6 : 4; // bottomleft/bottomright
1695 xev.data.data32[2] = left ? 0 : 2; // topleft/topright
1696 xev.data.data32[3] = XCB_BUTTON_INDEX_1;
1697 xev.data.data32[4] = 0;
1698 xcb_ungrab_pointer(connection()->xcb_connection(), XCB_CURRENT_TIME);
1699 xcb_send_event(connection()->xcb_connection(), false, m_screen->root(),
1700 XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY,
1701 (const char *)&xev);
1705 #if defined(XCB_USE_XLIB) && !defined(QT_NO_SHAPE)
1707 static inline XRectangle qRectToX11Rectangle(const QRect &r)
1710 result.x = qMax(SHRT_MIN, r.x());
1711 result.y = qMax(SHRT_MIN, r.y());
1712 result.width = qMin((int)USHRT_MAX, r.width());
1713 result.height = qMin((int)USHRT_MAX, r.height());
1717 static inline Region qRegionToX11Region(const QRegion ®ion)
1719 if (region.isEmpty())
1721 Region result = XCreateRegion();
1724 const QVector<QRect> rects = region.rects();
1725 if (rects.size() == 1) {
1726 XRectangle xrect = qRectToX11Rectangle(region.boundingRect());
1727 XUnionRectWithRegion(&xrect, result, result);
1729 foreach (const QRect &r, rects) {
1730 XRectangle xrect = qRectToX11Rectangle(r);
1731 XUnionRectWithRegion(&xrect, result, result);
1738 void QXcbWindow::setMask(const QRegion ®ion)
1741 Display *display = (Display *)connection()->xlib_display();
1742 if (region.isEmpty()) {
1743 XShapeCombineMask(display, xcb_window(),
1744 ShapeBounding, 0, 0,
1747 XShapeCombineRegion(display, xcb_window(),
1748 ShapeBounding, 0, 0,
1749 qRegionToX11Region(region), ShapeSet);
1753 #endif // XCB_USE_XLIB && !QT_NO_SHAPE