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"
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 # include <xcb/shape.h>
71 // xcb-icccm 3.8 support
72 #ifdef XCB_ICCCM_NUM_WM_SIZE_HINTS_ELEMENTS
73 #define xcb_get_wm_hints_reply xcb_icccm_get_wm_hints_reply
74 #define xcb_get_wm_hints xcb_icccm_get_wm_hints
75 #define xcb_get_wm_hints_unchecked xcb_icccm_get_wm_hints_unchecked
76 #define xcb_set_wm_hints xcb_icccm_set_wm_hints
77 #define xcb_set_wm_normal_hints xcb_icccm_set_wm_normal_hints
78 #define xcb_size_hints_set_base_size xcb_icccm_size_hints_set_base_size
79 #define xcb_size_hints_set_max_size xcb_icccm_size_hints_set_max_size
80 #define xcb_size_hints_set_min_size xcb_icccm_size_hints_set_min_size
81 #define xcb_size_hints_set_position xcb_icccm_size_hints_set_position
82 #define xcb_size_hints_set_resize_inc xcb_icccm_size_hints_set_resize_inc
83 #define xcb_size_hints_set_size xcb_icccm_size_hints_set_size
84 #define xcb_size_hints_set_win_gravity xcb_icccm_size_hints_set_win_gravity
85 #define xcb_wm_hints_set_iconic xcb_icccm_wm_hints_set_iconic
86 #define xcb_wm_hints_set_normal xcb_icccm_wm_hints_set_normal
87 #define xcb_wm_hints_set_input xcb_icccm_wm_hints_set_input
88 #define xcb_wm_hints_t xcb_icccm_wm_hints_t
89 #define XCB_WM_STATE_ICONIC XCB_ICCCM_WM_STATE_ICONIC
90 #define XCB_WM_STATE_WITHDRAWN XCB_ICCCM_WM_STATE_WITHDRAWN
93 #include <private/qguiapplication_p.h>
94 #include <private/qwindow_p.h>
96 #include <qpa/qplatformbackingstore.h>
97 #include <qpa/qwindowsysteminterface.h>
102 #include <X11/Xlib.h>
103 #include <X11/Xutil.h>
106 #if defined(XCB_USE_XINPUT2_MAEMO) || defined(XCB_USE_XINPUT2)
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);
241 if (!visualInfo && window()->surfaceType() == QSurface::OpenGLSurface)
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);
257 if (!visualInfo && window()->surfaceType() == QSurface::OpenGLSurface)
258 qFatal("Could not initialize EGL");
261 m_depth = visualInfo->depth;
262 m_imageFormat = imageFormatForDepth(m_depth);
263 Colormap cmap = XCreateColormap(DISPLAY_FROM_XCB(this), xcb_parent_id, visualInfo->visual, AllocNone);
265 XSetWindowAttributes a;
266 a.background_pixel = WhitePixel(DISPLAY_FROM_XCB(this), m_screen->screenNumber());
267 a.border_pixel = BlackPixel(DISPLAY_FROM_XCB(this), m_screen->screenNumber());
270 m_visualId = visualInfo->visualid;
272 m_window = XCreateWindow(DISPLAY_FROM_XCB(this), xcb_parent_id, rect.x(), rect.y(), rect.width(), rect.height(),
273 0, visualInfo->depth, InputOutput, visualInfo->visual,
274 CWBackPixel|CWBorderPixel|CWColormap, &a);
281 #endif //defined(XCB_USE_GLX) || defined(XCB_USE_EGL)
283 m_window = xcb_generate_id(xcb_connection());
284 m_depth = m_screen->screen()->root_depth;
285 m_imageFormat = imageFormatForDepth(m_depth);
286 m_visualId = m_screen->screen()->root_visual;
288 Q_XCB_CALL(xcb_create_window(xcb_connection(),
289 XCB_COPY_FROM_PARENT, // depth -- same as root
290 m_window, // window id
291 xcb_parent_id, // parent window id
297 XCB_WINDOW_CLASS_INPUT_OUTPUT, // window class
298 m_visualId, // visual
303 connection()->addWindow(m_window, this);
305 Q_XCB_CALL(xcb_change_window_attributes(xcb_connection(), m_window, mask, values));
307 propagateSizeHints();
309 xcb_atom_t properties[4];
310 int propertyCount = 0;
311 properties[propertyCount++] = atom(QXcbAtom::WM_DELETE_WINDOW);
312 properties[propertyCount++] = atom(QXcbAtom::WM_TAKE_FOCUS);
313 properties[propertyCount++] = atom(QXcbAtom::_NET_WM_PING);
315 if (m_screen->syncRequestSupported())
316 properties[propertyCount++] = atom(QXcbAtom::_NET_WM_SYNC_REQUEST);
318 if (window()->windowFlags() & Qt::WindowContextHelpButtonHint)
319 properties[propertyCount++] = atom(QXcbAtom::_NET_WM_CONTEXT_HELP);
321 Q_XCB_CALL(xcb_change_property(xcb_connection(),
322 XCB_PROP_MODE_REPLACE,
324 atom(QXcbAtom::WM_PROTOCOLS),
332 if (m_screen->syncRequestSupported()) {
333 m_syncCounter = xcb_generate_id(xcb_connection());
334 Q_XCB_CALL(xcb_sync_create_counter(xcb_connection(), m_syncCounter, m_syncValue));
336 Q_XCB_CALL(xcb_change_property(xcb_connection(),
337 XCB_PROP_MODE_REPLACE,
339 atom(QXcbAtom::_NET_WM_SYNC_REQUEST_COUNTER),
346 // set the PID to let the WM kill the application if unresponsive
348 Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
349 atom(QXcbAtom::_NET_WM_PID), XCB_ATOM_CARDINAL, 32,
352 xcb_wm_hints_t hints;
353 memset(&hints, 0, sizeof(hints));
354 xcb_wm_hints_set_normal(&hints);
356 xcb_wm_hints_set_input(&hints, !(window()->windowFlags() & Qt::WindowDoesNotAcceptFocus));
358 xcb_set_wm_hints(xcb_connection(), m_window, &hints);
360 xcb_window_t leader = m_screen->clientLeader();
361 Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
362 atom(QXcbAtom::WM_CLIENT_LEADER), XCB_ATOM_WINDOW, 32,
365 #ifdef XCB_USE_XINPUT2_MAEMO
366 if (connection()->isUsingXInput2Maemo()) {
367 XIEventMask xieventmask;
368 uchar bitmask[2] = { 0, 0 };
370 xieventmask.deviceid = XIAllMasterDevices;
371 xieventmask.mask = bitmask;
372 xieventmask.mask_len = sizeof(bitmask);
374 XISetMask(bitmask, XI_ButtonPress);
375 XISetMask(bitmask, XI_ButtonRelease);
376 XISetMask(bitmask, XI_Motion);
378 XISelectEvents(DISPLAY_FROM_XCB(this), m_window, &xieventmask, 1);
380 #elif defined(XCB_USE_XINPUT2)
381 connection()->xi2Select(m_window);
384 setWindowFlags(window()->windowFlags());
385 setWindowTitle(window()->windowTitle());
386 setWindowState(window()->windowState());
388 if (window()->windowFlags() & Qt::WindowTransparentForInput)
389 setTransparentForMouseEvents(true);
391 #ifndef QT_NO_DRAGANDDROP
392 connection()->drag()->dndEnable(this, true);
396 QXcbWindow::~QXcbWindow()
401 void QXcbWindow::destroy()
403 if (m_syncCounter && m_screen->syncRequestSupported())
404 Q_XCB_CALL(xcb_sync_destroy_counter(xcb_connection(), m_syncCounter));
406 if (m_netWmUserTimeWindow) {
407 xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_NET_WM_USER_TIME_WINDOW));
408 // Some window managers, like metacity, do XSelectInput on the _NET_WM_USER_TIME_WINDOW window,
409 // without trapping BadWindow (which crashes when the user time window is destroyed).
410 connection()->sync();
411 xcb_destroy_window(xcb_connection(), m_netWmUserTimeWindow);
412 m_netWmUserTimeWindow = XCB_NONE;
414 connection()->removeWindow(m_window);
415 Q_XCB_CALL(xcb_destroy_window(xcb_connection(), m_window));
420 #if defined(XCB_USE_EGL)
426 void QXcbWindow::setGeometry(const QRect &rect)
428 QPlatformWindow::setGeometry(rect);
430 propagateSizeHints();
431 const QRect wmGeometry = windowToWmGeometry(rect);
433 const quint32 mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y | XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT;
434 const qint32 values[] = {
435 qBound<qint32>(-XCOORD_MAX, wmGeometry.x(), XCOORD_MAX),
436 qBound<qint32>(-XCOORD_MAX, wmGeometry.y(), XCOORD_MAX),
437 qBound<qint32>(1, wmGeometry.width(), XCOORD_MAX),
438 qBound<qint32>(1, wmGeometry.height(), XCOORD_MAX),
441 Q_XCB_CALL(xcb_configure_window(xcb_connection(), m_window, mask, reinterpret_cast<const quint32*>(values)));
443 xcb_flush(xcb_connection());
446 QMargins QXcbWindow::frameMargins() const
448 if (m_dirtyFrameMargins) {
449 xcb_window_t window = m_window;
450 xcb_window_t parent = m_window;
452 bool foundRoot = false;
454 const QVector<xcb_window_t> &virtualRoots =
455 connection()->wmSupport()->virtualRoots();
458 xcb_query_tree_cookie_t cookie = xcb_query_tree_unchecked(xcb_connection(), parent);
460 xcb_query_tree_reply_t *reply = xcb_query_tree_reply(xcb_connection(), cookie, NULL);
462 if (reply->root == reply->parent || virtualRoots.indexOf(reply->parent) != -1) {
466 parent = reply->parent;
471 m_dirtyFrameMargins = false;
472 m_frameMargins = QMargins();
473 return m_frameMargins;
479 xcb_translate_coordinates_reply_t *reply =
480 xcb_translate_coordinates_reply(
482 xcb_translate_coordinates(xcb_connection(), window, parent, 0, 0),
486 offset = QPoint(reply->dst_x, reply->dst_y);
490 xcb_get_geometry_reply_t *geom =
491 xcb_get_geometry_reply(
493 xcb_get_geometry(xcb_connection(), parent),
498 // add the border_width for the window managers frame... some window managers
499 // do not use a border_width of zero for their frames, and if we the left and
500 // top strut, we ensure that pos() is absolutely correct. frameGeometry()
501 // will still be incorrect though... perhaps i should have foffset as well, to
502 // indicate the frame offset (equal to the border_width on X).
504 // -- copied from qwidget_x11.cpp
506 int left = offset.x() + geom->border_width;
507 int top = offset.y() + geom->border_width;
508 int right = geom->width + geom->border_width - geometry().width() - offset.x();
509 int bottom = geom->height + geom->border_width - geometry().height() - offset.y();
511 m_frameMargins = QMargins(left, top, right, bottom);
516 m_dirtyFrameMargins = false;
519 return m_frameMargins;
522 void QXcbWindow::setVisible(bool visible)
530 void QXcbWindow::show()
532 if (window()->isTopLevel()) {
533 xcb_get_property_cookie_t cookie = xcb_get_wm_hints_unchecked(xcb_connection(), m_window);
535 xcb_wm_hints_t hints;
536 xcb_get_wm_hints_reply(xcb_connection(), cookie, &hints, NULL);
538 if (window()->windowState() & Qt::WindowMinimized)
539 xcb_wm_hints_set_iconic(&hints);
541 xcb_wm_hints_set_normal(&hints);
543 xcb_wm_hints_set_input(&hints, !(window()->windowFlags() & Qt::WindowDoesNotAcceptFocus));
545 xcb_set_wm_hints(xcb_connection(), m_window, &hints);
547 // update WM_NORMAL_HINTS
548 propagateSizeHints();
550 // update WM_TRANSIENT_FOR
551 if (window()->transientParent() && isTransient(window())) {
552 QXcbWindow *transientXcbParent = static_cast<QXcbWindow *>(window()->transientParent()->handle());
553 if (transientXcbParent) {
555 xcb_window_t parentWindow = transientXcbParent->xcb_window();
557 // todo: set transient for group (wm_client_leader) if no parent, a la qwidget_x11.cpp
558 Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
559 XCB_ATOM_WM_TRANSIENT_FOR, XCB_ATOM_WINDOW, 32,
564 // update _MOTIF_WM_HINTS
565 updateMotifWmHintsBeforeMap();
567 // update _NET_WM_STATE
568 updateNetWmStateBeforeMap();
571 if (connection()->time() != XCB_TIME_CURRENT_TIME)
572 updateNetWmUserTime(connection()->time());
574 Q_XCB_CALL(xcb_map_window(xcb_connection(), m_window));
575 xcb_flush(xcb_connection());
577 connection()->sync();
580 void QXcbWindow::hide()
582 Q_XCB_CALL(xcb_unmap_window(xcb_connection(), m_window));
584 // send synthetic UnmapNotify event according to icccm 4.1.4
585 xcb_unmap_notify_event_t event;
586 event.response_type = XCB_UNMAP_NOTIFY;
587 event.event = m_screen->root();
588 event.window = m_window;
589 event.from_configure = false;
590 Q_XCB_CALL(xcb_send_event(xcb_connection(), false, m_screen->root(),
591 XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *)&event));
593 xcb_flush(xcb_connection());
598 struct QtMotifWmHints {
599 quint32 flags, functions, decorations;
605 MWM_HINTS_FUNCTIONS = (1L << 0),
607 MWM_FUNC_ALL = (1L << 0),
608 MWM_FUNC_RESIZE = (1L << 1),
609 MWM_FUNC_MOVE = (1L << 2),
610 MWM_FUNC_MINIMIZE = (1L << 3),
611 MWM_FUNC_MAXIMIZE = (1L << 4),
612 MWM_FUNC_CLOSE = (1L << 5),
614 MWM_HINTS_DECORATIONS = (1L << 1),
616 MWM_DECOR_ALL = (1L << 0),
617 MWM_DECOR_BORDER = (1L << 1),
618 MWM_DECOR_RESIZEH = (1L << 2),
619 MWM_DECOR_TITLE = (1L << 3),
620 MWM_DECOR_MENU = (1L << 4),
621 MWM_DECOR_MINIMIZE = (1L << 5),
622 MWM_DECOR_MAXIMIZE = (1L << 6),
624 MWM_HINTS_INPUT_MODE = (1L << 2),
626 MWM_INPUT_MODELESS = 0L,
627 MWM_INPUT_PRIMARY_APPLICATION_MODAL = 1L,
628 MWM_INPUT_FULL_APPLICATION_MODAL = 3L
631 static QtMotifWmHints getMotifWmHints(QXcbConnection *c, xcb_window_t window)
633 QtMotifWmHints hints;
635 xcb_get_property_cookie_t get_cookie =
636 xcb_get_property_unchecked(c->xcb_connection(), 0, window, c->atom(QXcbAtom::_MOTIF_WM_HINTS),
637 c->atom(QXcbAtom::_MOTIF_WM_HINTS), 0, 20);
639 xcb_get_property_reply_t *reply =
640 xcb_get_property_reply(c->xcb_connection(), get_cookie, NULL);
642 if (reply && reply->format == 32 && reply->type == c->atom(QXcbAtom::_MOTIF_WM_HINTS)) {
643 hints = *((QtMotifWmHints *)xcb_get_property_value(reply));
646 hints.functions = MWM_FUNC_ALL;
647 hints.decorations = MWM_DECOR_ALL;
648 hints.input_mode = 0L;
657 static void setMotifWmHints(QXcbConnection *c, xcb_window_t window, const QtMotifWmHints &hints)
659 if (hints.flags != 0l) {
660 Q_XCB_CALL2(xcb_change_property(c->xcb_connection(),
661 XCB_PROP_MODE_REPLACE,
663 c->atom(QXcbAtom::_MOTIF_WM_HINTS),
664 c->atom(QXcbAtom::_MOTIF_WM_HINTS),
669 Q_XCB_CALL2(xcb_delete_property(c->xcb_connection(), window, c->atom(QXcbAtom::_MOTIF_WM_HINTS)), c);
673 QXcbWindow::NetWmStates QXcbWindow::netWmStates()
675 NetWmStates result(0);
677 xcb_get_property_cookie_t get_cookie =
678 xcb_get_property_unchecked(xcb_connection(), 0, m_window, atom(QXcbAtom::_NET_WM_STATE),
679 XCB_ATOM_ATOM, 0, 1024);
681 xcb_get_property_reply_t *reply =
682 xcb_get_property_reply(xcb_connection(), get_cookie, NULL);
684 if (reply && reply->format == 32 && reply->type == XCB_ATOM_ATOM) {
685 const xcb_atom_t *states = static_cast<const xcb_atom_t *>(xcb_get_property_value(reply));
686 const xcb_atom_t *statesEnd = states + reply->length;
687 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_ABOVE)))
688 result |= NetWmStateAbove;
689 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_BELOW)))
690 result |= NetWmStateBelow;
691 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN)))
692 result |= NetWmStateFullScreen;
693 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ)))
694 result |= NetWmStateMaximizedHorz;
695 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT)))
696 result |= NetWmStateMaximizedVert;
697 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_MODAL)))
698 result |= NetWmStateModal;
699 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_STAYS_ON_TOP)))
700 result |= NetWmStateStaysOnTop;
701 if (statesEnd != qFind(states, statesEnd, atom(QXcbAtom::_NET_WM_STATE_DEMANDS_ATTENTION)))
702 result |= NetWmStateDemandsAttention;
705 #ifdef NET_WM_STATE_DEBUG
706 printf("getting net wm state (%x), empty\n", m_window);
713 void QXcbWindow::setNetWmStates(NetWmStates states)
715 QVector<xcb_atom_t> atoms;
716 if (states & NetWmStateAbove)
717 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_ABOVE));
718 if (states & NetWmStateBelow)
719 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_BELOW));
720 if (states & NetWmStateFullScreen)
721 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN));
722 if (states & NetWmStateMaximizedHorz)
723 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ));
724 if (states & NetWmStateMaximizedVert)
725 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT));
726 if (states & NetWmStateModal)
727 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_MODAL));
728 if (states & NetWmStateStaysOnTop)
729 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_STAYS_ON_TOP));
730 if (states & NetWmStateDemandsAttention)
731 atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_DEMANDS_ATTENTION));
733 if (atoms.isEmpty()) {
734 Q_XCB_CALL(xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_NET_WM_STATE)));
736 Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
737 atom(QXcbAtom::_NET_WM_STATE), XCB_ATOM_ATOM, 32,
738 atoms.count(), atoms.constData()));
740 xcb_flush(xcb_connection());
743 Qt::WindowFlags QXcbWindow::setWindowFlags(Qt::WindowFlags flags)
745 Qt::WindowType type = static_cast<Qt::WindowType>(int(flags & Qt::WindowType_Mask));
747 if (type == Qt::ToolTip)
748 flags |= Qt::WindowStaysOnTopHint | Qt::FramelessWindowHint | Qt::X11BypassWindowManagerHint;
749 if (type == Qt::Popup)
750 flags |= Qt::X11BypassWindowManagerHint;
752 if (flags & Qt::WindowTransparentForInput) {
753 uint32_t mask = XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_VISIBILITY_CHANGE
754 | XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_RESIZE_REDIRECT
755 | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT
756 | XCB_EVENT_MASK_FOCUS_CHANGE | XCB_EVENT_MASK_PROPERTY_CHANGE
757 | XCB_EVENT_MASK_COLOR_MAP_CHANGE | XCB_EVENT_MASK_OWNER_GRAB_BUTTON;
758 xcb_change_window_attributes(xcb_connection(), xcb_window(), XCB_CW_EVENT_MASK, &mask);
761 setNetWmWindowFlags(flags);
762 setMotifWindowFlags(flags);
764 setTransparentForMouseEvents(flags & Qt::WindowTransparentForInput);
765 updateDoesNotAcceptFocus(flags & Qt::WindowDoesNotAcceptFocus);
770 void QXcbWindow::setMotifWindowFlags(Qt::WindowFlags flags)
772 Qt::WindowType type = static_cast<Qt::WindowType>(int(flags & Qt::WindowType_Mask));
774 QtMotifWmHints mwmhints;
776 mwmhints.functions = 0L;
777 mwmhints.decorations = 0;
778 mwmhints.input_mode = 0L;
779 mwmhints.status = 0L;
781 if (type != Qt::SplashScreen) {
782 mwmhints.flags |= MWM_HINTS_DECORATIONS;
784 bool customize = flags & Qt::CustomizeWindowHint;
785 if (!(flags & Qt::FramelessWindowHint) && !(customize && !(flags & Qt::WindowTitleHint))) {
786 mwmhints.decorations |= MWM_DECOR_BORDER;
787 mwmhints.decorations |= MWM_DECOR_RESIZEH;
789 if (flags & Qt::WindowTitleHint)
790 mwmhints.decorations |= MWM_DECOR_TITLE;
792 if (flags & Qt::WindowSystemMenuHint)
793 mwmhints.decorations |= MWM_DECOR_MENU;
795 if (flags & Qt::WindowMinimizeButtonHint) {
796 mwmhints.decorations |= MWM_DECOR_MINIMIZE;
797 mwmhints.functions |= MWM_FUNC_MINIMIZE;
800 if (flags & Qt::WindowMaximizeButtonHint) {
801 mwmhints.decorations |= MWM_DECOR_MAXIMIZE;
802 mwmhints.functions |= MWM_FUNC_MAXIMIZE;
805 if (flags & Qt::WindowCloseButtonHint)
806 mwmhints.functions |= MWM_FUNC_CLOSE;
809 // if type == Qt::SplashScreen
810 mwmhints.decorations = MWM_DECOR_ALL;
813 if (mwmhints.functions != 0) {
814 mwmhints.flags |= MWM_HINTS_FUNCTIONS;
815 mwmhints.functions |= MWM_FUNC_MOVE | MWM_FUNC_RESIZE;
817 mwmhints.functions = MWM_FUNC_ALL;
820 if (!(flags & Qt::FramelessWindowHint)
821 && flags & Qt::CustomizeWindowHint
822 && flags & Qt::WindowTitleHint
824 (Qt::WindowMinimizeButtonHint
825 | Qt::WindowMaximizeButtonHint
826 | Qt::WindowCloseButtonHint)))
828 // a special case - only the titlebar without any button
829 mwmhints.flags = MWM_HINTS_FUNCTIONS;
830 mwmhints.functions = MWM_FUNC_MOVE | MWM_FUNC_RESIZE;
831 mwmhints.decorations = 0;
834 setMotifWmHints(connection(), m_window, mwmhints);
837 void QXcbWindow::changeNetWmState(bool set, xcb_atom_t one, xcb_atom_t two)
839 xcb_client_message_event_t event;
841 event.response_type = XCB_CLIENT_MESSAGE;
843 event.window = m_window;
844 event.type = atom(QXcbAtom::_NET_WM_STATE);
845 event.data.data32[0] = set ? 1 : 0;
846 event.data.data32[1] = one;
847 event.data.data32[2] = two;
848 event.data.data32[3] = 0;
849 event.data.data32[4] = 0;
851 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));
854 Qt::WindowState QXcbWindow::setWindowState(Qt::WindowState state)
856 if (state == m_windowState)
860 switch (m_windowState) {
861 case Qt::WindowMinimized:
862 Q_XCB_CALL(xcb_map_window(xcb_connection(), m_window));
864 case Qt::WindowMaximized:
865 changeNetWmState(false,
866 atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ),
867 atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT));
869 case Qt::WindowFullScreen:
870 changeNetWmState(false, atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN));
878 case Qt::WindowMinimized:
880 xcb_client_message_event_t event;
882 event.response_type = XCB_CLIENT_MESSAGE;
884 event.window = m_window;
885 event.type = atom(QXcbAtom::WM_CHANGE_STATE);
886 event.data.data32[0] = XCB_WM_STATE_ICONIC;
887 event.data.data32[1] = 0;
888 event.data.data32[2] = 0;
889 event.data.data32[3] = 0;
890 event.data.data32[4] = 0;
892 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));
895 case Qt::WindowMaximized:
896 changeNetWmState(true,
897 atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ),
898 atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT));
900 case Qt::WindowFullScreen:
901 changeNetWmState(true, atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN));
903 case Qt::WindowNoState:
909 connection()->sync();
911 m_windowState = state;
912 return m_windowState;
915 void QXcbWindow::setNetWmWindowFlags(Qt::WindowFlags flags)
917 // in order of decreasing priority
918 QVector<uint> windowTypes;
920 Qt::WindowType type = static_cast<Qt::WindowType>(int(flags & Qt::WindowType_Mask));
925 windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_DIALOG));
929 windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_UTILITY));
932 windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_TOOLTIP));
934 case Qt::SplashScreen:
935 windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_SPLASH));
941 if (flags & Qt::FramelessWindowHint)
942 windowTypes.append(atom(QXcbAtom::_KDE_NET_WM_WINDOW_TYPE_OVERRIDE));
944 windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_NORMAL));
946 Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
947 atom(QXcbAtom::_NET_WM_WINDOW_TYPE), XCB_ATOM_ATOM, 32,
948 windowTypes.count(), windowTypes.constData()));
951 void QXcbWindow::updateMotifWmHintsBeforeMap()
953 QtMotifWmHints mwmhints = getMotifWmHints(connection(), m_window);
955 if (window()->windowModality() != Qt::NonModal) {
956 switch (window()->windowModality()) {
957 case Qt::WindowModal:
958 mwmhints.input_mode = MWM_INPUT_PRIMARY_APPLICATION_MODAL;
960 case Qt::ApplicationModal:
962 mwmhints.input_mode = MWM_INPUT_FULL_APPLICATION_MODAL;
965 mwmhints.flags |= MWM_HINTS_INPUT_MODE;
967 mwmhints.input_mode = MWM_INPUT_MODELESS;
968 mwmhints.flags &= ~MWM_HINTS_INPUT_MODE;
971 if (window()->minimumSize() == window()->maximumSize()) {
972 // fixed size, remove the resize handle (since mwm/dtwm
973 // isn't smart enough to do it itself)
974 mwmhints.flags |= MWM_HINTS_FUNCTIONS;
975 if (mwmhints.functions == MWM_FUNC_ALL) {
976 mwmhints.functions = MWM_FUNC_MOVE;
978 mwmhints.functions &= ~MWM_FUNC_RESIZE;
981 if (mwmhints.decorations == MWM_DECOR_ALL) {
982 mwmhints.flags |= MWM_HINTS_DECORATIONS;
983 mwmhints.decorations = (MWM_DECOR_BORDER
987 mwmhints.decorations &= ~MWM_DECOR_RESIZEH;
991 if (window()->windowFlags() & Qt::WindowMinimizeButtonHint) {
992 mwmhints.flags |= MWM_HINTS_DECORATIONS;
993 mwmhints.decorations |= MWM_DECOR_MINIMIZE;
994 mwmhints.functions |= MWM_FUNC_MINIMIZE;
996 if (window()->windowFlags() & Qt::WindowMaximizeButtonHint) {
997 mwmhints.flags |= MWM_HINTS_DECORATIONS;
998 mwmhints.decorations |= MWM_DECOR_MAXIMIZE;
999 mwmhints.functions |= MWM_FUNC_MAXIMIZE;
1001 if (window()->windowFlags() & Qt::WindowCloseButtonHint)
1002 mwmhints.functions |= MWM_FUNC_CLOSE;
1004 setMotifWmHints(connection(), m_window, mwmhints);
1007 void QXcbWindow::updateNetWmStateBeforeMap()
1009 NetWmStates states(0);
1011 const Qt::WindowFlags flags = window()->windowFlags();
1012 if (flags & Qt::WindowStaysOnTopHint) {
1013 states |= NetWmStateAbove;
1014 states |= NetWmStateStaysOnTop;
1015 } else if (flags & Qt::WindowStaysOnBottomHint) {
1016 states |= NetWmStateBelow;
1019 if (window()->windowState() & Qt::WindowFullScreen)
1020 states |= NetWmStateFullScreen;
1022 if (window()->windowState() & Qt::WindowMaximized) {
1023 states |= NetWmStateMaximizedHorz;
1024 states |= NetWmStateMaximizedVert;
1027 if (window()->windowModality() != Qt::NonModal)
1028 states |= NetWmStateModal;
1030 setNetWmStates(states);
1033 void QXcbWindow::updateNetWmUserTime(xcb_timestamp_t timestamp)
1035 xcb_window_t wid = m_window;
1037 const bool isSupportedByWM = connection()->wmSupport()->isSupportedByWM(atom(QXcbAtom::_NET_WM_USER_TIME_WINDOW));
1038 if (m_netWmUserTimeWindow || isSupportedByWM) {
1039 if (!m_netWmUserTimeWindow) {
1040 m_netWmUserTimeWindow = xcb_generate_id(xcb_connection());
1041 Q_XCB_CALL(xcb_create_window(xcb_connection(),
1042 XCB_COPY_FROM_PARENT, // depth -- same as root
1043 m_netWmUserTimeWindow, // window id
1044 m_window, // parent window id
1047 XCB_WINDOW_CLASS_INPUT_OUTPUT, // window class
1048 m_visualId, // visual
1051 wid = m_netWmUserTimeWindow;
1052 xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window, atom(QXcbAtom::_NET_WM_USER_TIME_WINDOW),
1053 XCB_ATOM_WINDOW, 32, 1, &m_netWmUserTimeWindow);
1054 xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_NET_WM_USER_TIME));
1055 } else if (!isSupportedByWM) {
1056 // WM no longer supports it, then we should remove the
1057 // _NET_WM_USER_TIME_WINDOW atom.
1058 xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_NET_WM_USER_TIME_WINDOW));
1059 xcb_destroy_window(xcb_connection(), m_netWmUserTimeWindow);
1060 m_netWmUserTimeWindow = XCB_NONE;
1062 wid = m_netWmUserTimeWindow;
1065 xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, wid, atom(QXcbAtom::_NET_WM_USER_TIME),
1066 XCB_ATOM_CARDINAL, 32, 1, ×tamp);
1069 void QXcbWindow::setTransparentForMouseEvents(bool transparent)
1071 if (transparent == m_transparent)
1074 xcb_rectangle_t rectangle;
1076 xcb_rectangle_t *rect = 0;
1082 rectangle.width = geometry().width();
1083 rectangle.height = geometry().height();
1088 xcb_xfixes_region_t region = xcb_generate_id(xcb_connection());
1089 xcb_xfixes_create_region(xcb_connection(), region, nrect, rect);
1090 xcb_xfixes_set_window_shape_region_checked(xcb_connection(), m_window, XCB_SHAPE_SK_INPUT, 0, 0, region);
1091 xcb_xfixes_destroy_region(xcb_connection(), region);
1093 m_transparent = transparent;
1096 void QXcbWindow::updateDoesNotAcceptFocus(bool doesNotAcceptFocus)
1098 xcb_get_property_cookie_t cookie = xcb_get_wm_hints_unchecked(xcb_connection(), m_window);
1100 xcb_wm_hints_t hints;
1101 if (!xcb_get_wm_hints_reply(xcb_connection(), cookie, &hints, NULL)) {
1105 xcb_wm_hints_set_input(&hints, !doesNotAcceptFocus);
1106 xcb_set_wm_hints(xcb_connection(), m_window, &hints);
1109 WId QXcbWindow::winId() const
1114 void QXcbWindow::setParent(const QPlatformWindow *parent)
1116 // re-create for compatibility
1119 QPoint topLeft = geometry().topLeft();
1121 xcb_window_t xcb_parent_id = parent ? static_cast<const QXcbWindow *>(parent)->xcb_window() : m_screen->root();
1122 Q_XCB_CALL(xcb_reparent_window(xcb_connection(), xcb_window(), xcb_parent_id, topLeft.x(), topLeft.y()));
1125 void QXcbWindow::setWindowTitle(const QString &title)
1127 QByteArray ba = title.toUtf8();
1128 Q_XCB_CALL(xcb_change_property(xcb_connection(),
1129 XCB_PROP_MODE_REPLACE,
1131 atom(QXcbAtom::_NET_WM_NAME),
1132 atom(QXcbAtom::UTF8_STRING),
1138 void QXcbWindow::setWindowIcon(const QIcon &icon)
1140 QVector<quint32> icon_data;
1142 if (!icon.isNull()) {
1143 QList<QSize> availableSizes = icon.availableSizes();
1144 if (availableSizes.isEmpty()) {
1145 // try to use default sizes since the icon can be a scalable image like svg.
1146 availableSizes.push_back(QSize(16,16));
1147 availableSizes.push_back(QSize(32,32));
1148 availableSizes.push_back(QSize(64,64));
1149 availableSizes.push_back(QSize(128,128));
1151 for (int i = 0; i < availableSizes.size(); ++i) {
1152 QSize size = availableSizes.at(i);
1153 QPixmap pixmap = icon.pixmap(size);
1154 if (!pixmap.isNull()) {
1155 QImage image = pixmap.toImage().convertToFormat(QImage::Format_ARGB32);
1156 int pos = icon_data.size();
1157 icon_data.resize(pos + 2 + image.width()*image.height());
1158 icon_data[pos++] = image.width();
1159 icon_data[pos++] = image.height();
1160 memcpy(icon_data.data() + pos, image.bits(), image.width()*image.height()*4);
1165 if (!icon_data.isEmpty()) {
1166 Q_XCB_CALL(xcb_change_property(xcb_connection(),
1167 XCB_PROP_MODE_REPLACE,
1169 atom(QXcbAtom::_NET_WM_ICON),
1170 atom(QXcbAtom::CARDINAL),
1173 (unsigned char *) icon_data.data()));
1175 Q_XCB_CALL(xcb_delete_property(xcb_connection(),
1177 atom(QXcbAtom::_NET_WM_ICON)));
1181 void QXcbWindow::raise()
1183 const quint32 mask = XCB_CONFIG_WINDOW_STACK_MODE;
1184 const quint32 values[] = { XCB_STACK_MODE_ABOVE };
1185 Q_XCB_CALL(xcb_configure_window(xcb_connection(), m_window, mask, values));
1188 void QXcbWindow::lower()
1190 const quint32 mask = XCB_CONFIG_WINDOW_STACK_MODE;
1191 const quint32 values[] = { XCB_STACK_MODE_BELOW };
1192 Q_XCB_CALL(xcb_configure_window(xcb_connection(), m_window, mask, values));
1195 // Adapt the geometry to match the WM expection with regards
1197 QRect QXcbWindow::windowToWmGeometry(QRect r) const
1199 if (m_dirtyFrameMargins || m_frameMargins.isNull())
1201 const bool frameInclusive = positionIncludesFrame(window());
1202 // XCB_GRAVITY_STATIC requires the inner geometry, whereas
1203 // XCB_GRAVITY_NORTH_WEST requires the frame geometry
1204 if (frameInclusive && m_gravity == XCB_GRAVITY_STATIC) {
1205 r.translate(m_frameMargins.left(), m_frameMargins.top());
1206 } else if (!frameInclusive && m_gravity == XCB_GRAVITY_NORTH_WEST) {
1207 r.translate(-m_frameMargins.left(), -m_frameMargins.top());
1212 void QXcbWindow::propagateSizeHints()
1214 // update WM_NORMAL_HINTS
1215 xcb_size_hints_t hints;
1216 memset(&hints, 0, sizeof(hints));
1218 const QRect rect = windowToWmGeometry(geometry());
1220 QWindow *win = window();
1222 xcb_size_hints_set_position(&hints, true, rect.x(), rect.y());
1223 xcb_size_hints_set_size(&hints, true, rect.width(), rect.height());
1224 xcb_size_hints_set_win_gravity(&hints, m_gravity);
1226 QSize minimumSize = win->minimumSize();
1227 QSize maximumSize = win->maximumSize();
1228 QSize baseSize = win->baseSize();
1229 QSize sizeIncrement = win->sizeIncrement();
1231 if (minimumSize.width() > 0 || minimumSize.height() > 0)
1232 xcb_size_hints_set_min_size(&hints, minimumSize.width(), minimumSize.height());
1234 if (maximumSize.width() < QWINDOWSIZE_MAX || maximumSize.height() < QWINDOWSIZE_MAX)
1235 xcb_size_hints_set_max_size(&hints,
1236 qMin(XCOORD_MAX, maximumSize.width()),
1237 qMin(XCOORD_MAX, maximumSize.height()));
1239 if (sizeIncrement.width() > 0 || sizeIncrement.height() > 0) {
1240 xcb_size_hints_set_base_size(&hints, baseSize.width(), baseSize.height());
1241 xcb_size_hints_set_resize_inc(&hints, sizeIncrement.width(), sizeIncrement.height());
1244 xcb_set_wm_normal_hints(xcb_connection(), m_window, &hints);
1247 void QXcbWindow::requestActivateWindow()
1250 m_deferredActivation = true;
1253 m_deferredActivation = false;
1255 updateNetWmUserTime(connection()->time());
1257 if (window()->isTopLevel()
1258 && connection()->wmSupport()->isSupportedByWM(atom(QXcbAtom::_NET_ACTIVE_WINDOW))) {
1259 xcb_client_message_event_t event;
1261 event.response_type = XCB_CLIENT_MESSAGE;
1263 event.window = m_window;
1264 event.type = atom(QXcbAtom::_NET_ACTIVE_WINDOW);
1265 event.data.data32[0] = 1;
1266 event.data.data32[1] = connection()->time();
1267 QWindow *focusWindow = QGuiApplication::focusWindow();
1268 event.data.data32[2] = focusWindow ? focusWindow->winId() : XCB_NONE;
1269 event.data.data32[3] = 0;
1270 event.data.data32[4] = 0;
1272 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));
1274 Q_XCB_CALL(xcb_set_input_focus(xcb_connection(), XCB_INPUT_FOCUS_PARENT, m_window, connection()->time()));
1277 connection()->sync();
1280 #if XCB_USE_MAEMO_WINDOW_PROPERTIES
1281 void QXcbWindow::handleContentOrientationChange(Qt::ScreenOrientation orientation)
1284 switch (orientation) {
1285 case Qt::PortraitOrientation: angle = 270; break;
1286 case Qt::LandscapeOrientation: angle = 0; break;
1287 case Qt::InvertedPortraitOrientation: angle = 90; break;
1288 case Qt::InvertedLandscapeOrientation: angle = 180; break;
1289 case Qt::PrimaryOrientation: break;
1291 Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
1292 atom(QXcbAtom::MeegoTouchOrientationAngle), XCB_ATOM_CARDINAL, 32,
1297 QSurfaceFormat QXcbWindow::format() const
1299 // ### return actual format
1303 #if defined(XCB_USE_EGL)
1304 QXcbEGLSurface *QXcbWindow::eglSurface() const
1306 if (!m_eglSurface) {
1307 EGLDisplay display = connection()->egl_display();
1308 EGLConfig config = q_configFromGLFormat(display, window()->requestedFormat(), true);
1309 EGLSurface surface = eglCreateWindowSurface(display, config, (EGLNativeWindowType)m_window, 0);
1311 m_eglSurface = new QXcbEGLSurface(display, surface);
1314 return m_eglSurface;
1318 void QXcbWindow::handleExposeEvent(const xcb_expose_event_t *event)
1320 QRect rect(event->x, event->y, event->width, event->height);
1322 if (m_exposeRegion.isEmpty())
1323 m_exposeRegion = rect;
1325 m_exposeRegion |= rect;
1327 // if count is non-zero there are more expose events pending
1328 if (event->count == 0) {
1329 QWindowSystemInterface::handleExposeEvent(window(), m_exposeRegion);
1330 m_exposeRegion = QRegion();
1334 void QXcbWindow::handleClientMessageEvent(const xcb_client_message_event_t *event)
1336 if (event->format != 32)
1339 if (event->type == atom(QXcbAtom::WM_PROTOCOLS)) {
1340 if (event->data.data32[0] == atom(QXcbAtom::WM_DELETE_WINDOW)) {
1341 QWindowSystemInterface::handleCloseEvent(window());
1342 } else if (event->data.data32[0] == atom(QXcbAtom::WM_TAKE_FOCUS)) {
1343 connection()->setTime(event->data.data32[1]);
1344 } else if (event->data.data32[0] == atom(QXcbAtom::_NET_WM_PING)) {
1345 xcb_client_message_event_t reply = *event;
1347 reply.response_type = XCB_CLIENT_MESSAGE;
1348 reply.window = m_screen->root();
1350 xcb_send_event(xcb_connection(), 0, m_screen->root(), XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *)&reply);
1351 xcb_flush(xcb_connection());
1352 } else if (event->data.data32[0] == atom(QXcbAtom::_NET_WM_SYNC_REQUEST)) {
1353 connection()->setTime(event->data.data32[1]);
1354 m_syncValue.lo = event->data.data32[2];
1355 m_syncValue.hi = event->data.data32[3];
1357 qWarning() << "QXcbWindow: Unhandled WM_PROTOCOLS message:" << connection()->atomName(event->data.data32[0]);
1359 #ifndef QT_NO_DRAGANDDROP
1360 } else if (event->type == atom(QXcbAtom::XdndEnter)) {
1361 connection()->drag()->handleEnter(window(), event);
1362 } else if (event->type == atom(QXcbAtom::XdndPosition)) {
1363 connection()->drag()->handlePosition(window(), event);
1364 } else if (event->type == atom(QXcbAtom::XdndLeave)) {
1365 connection()->drag()->handleLeave(window(), event);
1366 } else if (event->type == atom(QXcbAtom::XdndDrop)) {
1367 connection()->drag()->handleDrop(window(), event);
1369 } else if (event->type == atom(QXcbAtom::_XEMBED)) { // QSystemTrayIcon
1371 qWarning() << "QXcbWindow: Unhandled client message:" << connection()->atomName(event->type);
1375 void QXcbWindow::handleConfigureNotifyEvent(const xcb_configure_notify_event_t *event)
1377 bool fromSendEvent = (event->response_type & 0x80);
1378 QPoint pos(event->x, event->y);
1379 if (!parent() && !fromSendEvent) {
1380 // Do not trust the position, query it instead.
1381 xcb_translate_coordinates_cookie_t cookie = xcb_translate_coordinates(xcb_connection(), xcb_window(),
1382 m_screen->root(), 0, 0);
1383 xcb_translate_coordinates_reply_t *reply = xcb_translate_coordinates_reply(xcb_connection(), cookie, NULL);
1385 pos.setX(reply->dst_x);
1386 pos.setY(reply->dst_y);
1391 QRect rect(pos, QSize(event->width, event->height));
1393 QPlatformWindow::setGeometry(rect);
1394 QWindowSystemInterface::handleGeometryChange(window(), rect);
1396 m_configureNotifyPending = false;
1398 if (m_deferredExpose) {
1399 m_deferredExpose = false;
1400 QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(), geometry().size()));
1403 m_dirtyFrameMargins = true;
1407 static_cast<QDri2Context *>(m_context)->resize(rect.size());
1411 bool QXcbWindow::isExposed() const
1416 void QXcbWindow::handleMapNotifyEvent(const xcb_map_notify_event_t *event)
1418 if (event->window == m_window) {
1420 if (m_deferredActivation)
1421 requestActivateWindow();
1422 if (m_configureNotifyPending)
1423 m_deferredExpose = true;
1425 QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(), geometry().size()));
1429 void QXcbWindow::handleUnmapNotifyEvent(const xcb_unmap_notify_event_t *event)
1431 if (event->window == m_window) {
1433 QWindowSystemInterface::handleExposeEvent(window(), QRegion());
1437 static Qt::MouseButtons translateMouseButtons(int s)
1439 Qt::MouseButtons ret = 0;
1440 if (s & XCB_BUTTON_MASK_1)
1441 ret |= Qt::LeftButton;
1442 if (s & XCB_BUTTON_MASK_2)
1443 ret |= Qt::MidButton;
1444 if (s & XCB_BUTTON_MASK_3)
1445 ret |= Qt::RightButton;
1449 static Qt::MouseButton translateMouseButton(xcb_button_t s)
1452 case 1: return Qt::LeftButton;
1453 case 2: return Qt::MidButton;
1454 case 3: return Qt::RightButton;
1455 // Button values 4-7 were already handled as Wheel events, and won't occur here.
1456 case 8: return Qt::BackButton; // Also known as Qt::ExtraButton1
1457 case 9: return Qt::ForwardButton; // Also known as Qt::ExtraButton2
1458 case 10: return Qt::ExtraButton3;
1459 case 11: return Qt::ExtraButton4;
1460 case 12: return Qt::ExtraButton5;
1461 case 13: return Qt::ExtraButton6;
1462 case 14: return Qt::ExtraButton7;
1463 case 15: return Qt::ExtraButton8;
1464 case 16: return Qt::ExtraButton9;
1465 case 17: return Qt::ExtraButton10;
1466 case 18: return Qt::ExtraButton11;
1467 case 19: return Qt::ExtraButton12;
1468 case 20: return Qt::ExtraButton13;
1469 case 21: return Qt::ExtraButton14;
1470 case 22: return Qt::ExtraButton15;
1471 case 23: return Qt::ExtraButton16;
1472 case 24: return Qt::ExtraButton17;
1473 case 25: return Qt::ExtraButton18;
1474 case 26: return Qt::ExtraButton19;
1475 case 27: return Qt::ExtraButton20;
1476 case 28: return Qt::ExtraButton21;
1477 case 29: return Qt::ExtraButton22;
1478 case 30: return Qt::ExtraButton23;
1479 case 31: return Qt::ExtraButton24;
1480 default: return Qt::NoButton;
1484 void QXcbWindow::handleButtonPressEvent(const xcb_button_press_event_t *event)
1486 updateNetWmUserTime(event->time);
1488 QPoint local(event->event_x, event->event_y);
1489 QPoint global(event->root_x, event->root_y);
1491 Qt::KeyboardModifiers modifiers = connection()->keyboard()->translateModifiers(event->state);
1493 if (event->detail >= 4 && event->detail <= 7) {
1494 // Logic borrowed from qapplication_x11.cpp
1495 int delta = 120 * ((event->detail == 4 || event->detail == 6) ? 1 : -1);
1496 bool hor = (((event->detail == 4 || event->detail == 5)
1497 && (modifiers & Qt::AltModifier))
1498 || (event->detail == 6 || event->detail == 7));
1500 QWindowSystemInterface::handleWheelEvent(window(), event->time,
1501 local, global, delta, hor ? Qt::Horizontal : Qt::Vertical, modifiers);
1505 handleMouseEvent(event->detail, event->state, event->time, local, global, modifiers);
1508 void QXcbWindow::handleButtonReleaseEvent(const xcb_button_release_event_t *event)
1510 QPoint local(event->event_x, event->event_y);
1511 QPoint global(event->root_x, event->root_y);
1512 Qt::KeyboardModifiers modifiers = connection()->keyboard()->translateModifiers(event->state);
1514 handleMouseEvent(event->detail, event->state, event->time, local, global, modifiers);
1517 void QXcbWindow::handleMotionNotifyEvent(const xcb_motion_notify_event_t *event)
1519 QPoint local(event->event_x, event->event_y);
1520 QPoint global(event->root_x, event->root_y);
1521 Qt::KeyboardModifiers modifiers = connection()->keyboard()->translateModifiers(event->state);
1523 handleMouseEvent(event->detail, event->state, event->time, local, global, modifiers);
1526 void QXcbWindow::handleMouseEvent(xcb_button_t detail, uint16_t state, xcb_timestamp_t time, const QPoint &local, const QPoint &global, Qt::KeyboardModifiers modifiers)
1528 connection()->setTime(time);
1530 Qt::MouseButtons buttons = translateMouseButtons(state);
1531 Qt::MouseButton button = translateMouseButton(detail);
1533 buttons ^= button; // X event uses state *before*, Qt uses state *after*
1535 QWindowSystemInterface::handleMouseEvent(window(), time, local, global, buttons, modifiers);
1538 void QXcbWindow::handleEnterNotifyEvent(const xcb_enter_notify_event_t *event)
1540 connection()->setTime(event->time);
1542 if ((event->mode != XCB_NOTIFY_MODE_NORMAL && event->mode != XCB_NOTIFY_MODE_UNGRAB)
1543 || event->detail == XCB_NOTIFY_DETAIL_VIRTUAL
1544 || event->detail == XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL)
1549 QWindowSystemInterface::handleEnterEvent(window());
1552 void QXcbWindow::handleLeaveNotifyEvent(const xcb_leave_notify_event_t *event)
1554 connection()->setTime(event->time);
1556 if ((event->mode != XCB_NOTIFY_MODE_NORMAL && event->mode != XCB_NOTIFY_MODE_UNGRAB)
1557 || event->detail == XCB_NOTIFY_DETAIL_INFERIOR)
1562 QWindowSystemInterface::handleLeaveEvent(window());
1565 void QXcbWindow::handlePropertyNotifyEvent(const xcb_property_notify_event_t *event)
1567 connection()->setTime(event->time);
1569 const bool propertyDeleted = event->state == XCB_PROPERTY_DELETE;
1570 const xcb_atom_t netWmStateAtom = atom(QXcbAtom::_NET_WM_STATE);
1571 const xcb_atom_t wmStateAtom = atom(QXcbAtom::WM_STATE);
1573 if (event->atom == netWmStateAtom || event->atom == wmStateAtom) {
1574 if (propertyDeleted)
1577 Qt::WindowState newState = Qt::WindowNoState;
1578 if (event->atom == wmStateAtom) { // WM_STATE: Quick check for 'Minimize'.
1579 const xcb_get_property_cookie_t get_cookie =
1580 xcb_get_property(xcb_connection(), 0, m_window, wmStateAtom,
1581 XCB_ATOM_ANY, 0, 1024);
1583 xcb_get_property_reply_t *reply =
1584 xcb_get_property_reply(xcb_connection(), get_cookie, NULL);
1586 if (reply && reply->format == 32 && reply->type == wmStateAtom) {
1587 const long *data = (const long *)xcb_get_property_value(reply);
1588 if (reply->length != 0 && XCB_WM_STATE_ICONIC == data[0])
1589 newState = Qt::WindowMinimized;
1592 } // WM_STATE: Quick check for 'Minimize'.
1593 if (newState != Qt::WindowMinimized) { // Something else changed, get _NET_WM_STATE.
1594 const NetWmStates states = netWmStates();
1595 if ((states & NetWmStateMaximizedHorz) && (states & NetWmStateMaximizedVert))
1596 newState = Qt::WindowMaximized;
1597 else if (states & NetWmStateFullScreen)
1598 newState = Qt::WindowFullScreen;
1600 // Send Window state, compress events in case other flags (modality, etc) are changed.
1601 if (m_lastWindowStateEvent != newState) {
1602 QWindowSystemInterface::handleWindowStateChanged(window(), newState);
1603 m_lastWindowStateEvent = newState;
1608 void QXcbWindow::handleFocusInEvent(const xcb_focus_in_event_t *)
1610 QWindowSystemInterface::handleWindowActivated(window());
1613 static bool focusInPeeker(xcb_generic_event_t *event)
1616 // FocusIn event is not in the queue, proceed with FocusOut normally.
1617 QWindowSystemInterface::handleWindowActivated(0);
1620 uint response_type = event->response_type & ~0x80;
1621 return response_type == XCB_FOCUS_IN;
1624 void QXcbWindow::handleFocusOutEvent(const xcb_focus_out_event_t *)
1626 // Do not set the active window to 0 if there is a FocusIn coming.
1627 // There is however no equivalent for XPutBackEvent so register a
1628 // callback for QXcbConnection instead.
1629 connection()->addPeekFunc(focusInPeeker);
1632 void QXcbWindow::updateSyncRequestCounter()
1634 if (m_screen->syncRequestSupported() && (m_syncValue.lo != 0 || m_syncValue.hi != 0)) {
1635 Q_XCB_CALL(xcb_sync_set_counter(xcb_connection(), m_syncCounter, m_syncValue));
1636 xcb_flush(xcb_connection());
1637 connection()->sync();
1644 bool QXcbWindow::setKeyboardGrabEnabled(bool grab)
1647 xcb_ungrab_keyboard(xcb_connection(), XCB_TIME_CURRENT_TIME);
1650 xcb_grab_keyboard_cookie_t cookie = xcb_grab_keyboard(xcb_connection(), false,
1651 m_window, XCB_TIME_CURRENT_TIME,
1652 XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
1653 xcb_grab_keyboard_reply_t *reply = xcb_grab_keyboard_reply(xcb_connection(), cookie, NULL);
1654 bool result = !(!reply || reply->status != XCB_GRAB_STATUS_SUCCESS);
1659 bool QXcbWindow::setMouseGrabEnabled(bool grab)
1662 xcb_ungrab_pointer(xcb_connection(), XCB_TIME_CURRENT_TIME);
1665 xcb_grab_pointer_cookie_t cookie = xcb_grab_pointer(xcb_connection(), false, m_window,
1666 (XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE
1667 | XCB_EVENT_MASK_BUTTON_MOTION | XCB_EVENT_MASK_ENTER_WINDOW
1668 | XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_POINTER_MOTION),
1669 XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
1670 XCB_WINDOW_NONE, XCB_CURSOR_NONE,
1671 XCB_TIME_CURRENT_TIME);
1672 xcb_grab_pointer_reply_t *reply = xcb_grab_pointer_reply(xcb_connection(), cookie, NULL);
1673 bool result = !(!reply || reply->status != XCB_GRAB_STATUS_SUCCESS);
1678 void QXcbWindow::setCursor(xcb_cursor_t cursor)
1680 xcb_change_window_attributes(xcb_connection(), m_window, XCB_CW_CURSOR, &cursor);
1681 xcb_flush(xcb_connection());
1684 bool QXcbWindow::startSystemResize(const QPoint &pos, Qt::Corner corner)
1686 const xcb_atom_t moveResize = connection()->atom(QXcbAtom::_NET_WM_MOVERESIZE);
1687 if (!connection()->wmSupport()->isSupportedByWM(moveResize))
1689 xcb_client_message_event_t xev;
1690 xev.response_type = XCB_CLIENT_MESSAGE;
1691 xev.type = moveResize;
1692 xev.window = xcb_window();
1694 const QPoint globalPos = window()->mapToGlobal(pos);
1695 xev.data.data32[0] = globalPos.x();
1696 xev.data.data32[1] = globalPos.y();
1697 const bool bottom = corner == Qt::BottomRightCorner || corner == Qt::BottomLeftCorner;
1698 const bool left = corner == Qt::BottomLeftCorner || corner == Qt::TopLeftCorner;
1700 xev.data.data32[2] = left ? 6 : 4; // bottomleft/bottomright
1702 xev.data.data32[2] = left ? 0 : 2; // topleft/topright
1703 xev.data.data32[3] = XCB_BUTTON_INDEX_1;
1704 xev.data.data32[4] = 0;
1705 xcb_ungrab_pointer(connection()->xcb_connection(), XCB_CURRENT_TIME);
1706 xcb_send_event(connection()->xcb_connection(), false, m_screen->root(),
1707 XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY,
1708 (const char *)&xev);
1712 #if !defined(QT_NO_SHAPE)
1714 static inline xcb_rectangle_t qRectToXCBRectangle(const QRect &r)
1716 xcb_rectangle_t result;
1717 result.x = qMax(SHRT_MIN, r.x());
1718 result.y = qMax(SHRT_MIN, r.y());
1719 result.width = qMin((int)USHRT_MAX, r.width());
1720 result.height = qMin((int)USHRT_MAX, r.height());
1724 void QXcbWindow::setMask(const QRegion ®ion)
1726 if (!connection()->hasXShape())
1728 if (region.isEmpty()) {
1729 xcb_shape_mask(connection()->xcb_connection(), XCB_SHAPE_SO_SET,
1730 XCB_SHAPE_SK_BOUNDING, xcb_window(), 0, 0, XCB_NONE);
1732 QVector<xcb_rectangle_t> rects;
1733 foreach (const QRect &r, region.rects())
1734 rects.push_back(qRectToXCBRectangle(r));
1735 xcb_shape_rectangles(connection()->xcb_connection(), XCB_SHAPE_SO_SET,
1736 XCB_SHAPE_SK_BOUNDING, XCB_CLIP_ORDERING_UNSORTED,
1737 xcb_window(), 0, 0, rects.size(), &rects[0]);
1741 #endif // !QT_NO_SHAPE