whytofly
/
qt6-bb10
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
qt6-bb10/src/plugins/platforms/xcb/qxcbwindow.cpp

1615 lines
56 KiB
C++
Raw Blame History

/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qxcbwindow.h"
#include <QtDebug>
#include <QScreen>
#include "qxcbconnection.h"
#include "qxcbscreen.h"
#include "qxcbdrag.h"
#include "qxcbkeyboard.h"
#include "qxcbwmsupport.h"
#include <qplatformintegration_qpa.h>
#ifdef XCB_USE_DRI2
#include "qdri2context.h"
#endif
// FIXME This workaround can be removed for xcb-icccm > 3.8
#define class class_name
#include <xcb/xcb_icccm.h>
#undef class
#include <xcb/xfixes.h>
// xcb-icccm 3.8 support
#ifdef XCB_ICCCM_NUM_WM_SIZE_HINTS_ELEMENTS
#define xcb_get_wm_hints_reply xcb_icccm_get_wm_hints_reply
#define xcb_get_wm_hints xcb_icccm_get_wm_hints
#define xcb_set_wm_hints xcb_icccm_set_wm_hints
#define xcb_set_wm_normal_hints xcb_icccm_set_wm_normal_hints
#define xcb_size_hints_set_base_size xcb_icccm_size_hints_set_base_size
#define xcb_size_hints_set_max_size xcb_icccm_size_hints_set_max_size
#define xcb_size_hints_set_min_size xcb_icccm_size_hints_set_min_size
#define xcb_size_hints_set_position xcb_icccm_size_hints_set_position
#define xcb_size_hints_set_resize_inc xcb_icccm_size_hints_set_resize_inc
#define xcb_size_hints_set_size xcb_icccm_size_hints_set_size
#define xcb_size_hints_set_win_gravity xcb_icccm_size_hints_set_win_gravity
#define xcb_wm_hints_set_iconic xcb_icccm_wm_hints_set_iconic
#define xcb_wm_hints_set_normal xcb_icccm_wm_hints_set_normal
#define xcb_wm_hints_set_input xcb_icccm_wm_hints_set_input
#define xcb_wm_hints_t xcb_icccm_wm_hints_t
#define XCB_WM_STATE_ICONIC XCB_ICCCM_WM_STATE_ICONIC
#define XCB_WM_STATE_WITHDRAWN XCB_ICCCM_WM_STATE_WITHDRAWN
#endif
#include <private/qguiapplication_p.h>
#include <private/qwindow_p.h>
#include <QtGui/QPlatformBackingStore>
#include <QtGui/QWindowSystemInterface>
#include <stdio.h>
#ifdef XCB_USE_XLIB
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#endif
#ifdef XCB_USE_XINPUT2_MAEMO
#include <X11/extensions/XInput2.h>
#endif
#if defined(XCB_USE_GLX)
#include "qglxintegration.h"
#include <QtPlatformSupport/private/qglxconvenience_p.h>
#elif defined(XCB_USE_EGL)
#include "qxcbeglsurface.h"
#include <QtPlatformSupport/private/qeglconvenience_p.h>
#include <QtPlatformSupport/private/qxlibeglintegration_p.h>
#endif
#define XCOORD_MAX 16383
//#ifdef NET_WM_STATE_DEBUG
QT_BEGIN_NAMESPACE
// Returns true if we should set WM_TRANSIENT_FOR on \a w
static inline bool isTransient(const QWindow *w)
{
return w->windowType() == Qt::Dialog
|| w->windowType() == Qt::Sheet
|| w->windowType() == Qt::Tool
|| w->windowType() == Qt::SplashScreen
|| w->windowType() == Qt::ToolTip
|| w->windowType() == Qt::Drawer
|| w->windowType() == Qt::Popup;
}
static inline QImage::Format imageFormatForDepth(int depth)
{
switch (depth) {
case 32: return QImage::Format_ARGB32_Premultiplied;
case 24: return QImage::Format_RGB32;
case 16: return QImage::Format_RGB16;
default: return QImage::Format_Invalid;
}
}
QXcbWindow::QXcbWindow(QWindow *window)
: QPlatformWindow(window)
, m_window(0)
, m_syncCounter(0)
, m_mapped(false)
, m_transparent(false)
, m_deferredActivation(false)
, m_netWmUserTimeWindow(XCB_NONE)
#if defined(XCB_USE_EGL)
, m_eglSurface(0)
#endif
{
m_screen = static_cast<QXcbScreen *>(window->screen()->handle());
setConnection(m_screen->connection());
create();
}
void QXcbWindow::create()
{
destroy();
m_windowState = Qt::WindowNoState;
Qt::WindowType type = window()->windowType();
if (type == Qt::Desktop) {
m_window = m_screen->root();
m_depth = m_screen->screen()->root_depth;
m_imageFormat = imageFormatForDepth(m_depth);
connection()->addWindow(m_window, this);
return;
}
const quint32 mask = XCB_CW_BACK_PIXMAP | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_SAVE_UNDER | XCB_CW_EVENT_MASK;
const quint32 values[] = {
// XCB_CW_BACK_PIXMAP
XCB_NONE,
// XCB_CW_OVERRIDE_REDIRECT
type == Qt::Popup || type == Qt::ToolTip,
// XCB_CW_SAVE_UNDER
type == Qt::Popup || type == Qt::Tool || type == Qt::SplashScreen || type == Qt::ToolTip || type == Qt::Drawer,
// XCB_CW_EVENT_MASK
XCB_EVENT_MASK_EXPOSURE
| XCB_EVENT_MASK_STRUCTURE_NOTIFY
| XCB_EVENT_MASK_KEY_PRESS
| XCB_EVENT_MASK_KEY_RELEASE
| XCB_EVENT_MASK_BUTTON_PRESS
| XCB_EVENT_MASK_BUTTON_RELEASE
| XCB_EVENT_MASK_BUTTON_MOTION
| XCB_EVENT_MASK_ENTER_WINDOW
| XCB_EVENT_MASK_LEAVE_WINDOW
| XCB_EVENT_MASK_POINTER_MOTION
| XCB_EVENT_MASK_PROPERTY_CHANGE
| XCB_EVENT_MASK_FOCUS_CHANGE
};
QRect rect = window()->geometry();
QPlatformWindow::setGeometry(rect);
rect.setWidth(qBound(1, rect.width(), XCOORD_MAX));
rect.setHeight(qBound(1, rect.height(), XCOORD_MAX));
xcb_window_t xcb_parent_id = m_screen->root();
if (parent())
xcb_parent_id = static_cast<QXcbWindow *>(parent())->xcb_window();
m_format = window()->requestedFormat();
#if (defined(XCB_USE_GLX) || defined(XCB_USE_EGL)) && defined(XCB_USE_XLIB)
if (QGuiApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::OpenGL)
|| m_format.hasAlpha())
{
#if defined(XCB_USE_GLX)
XVisualInfo *visualInfo = qglx_findVisualInfo(DISPLAY_FROM_XCB(m_screen), m_screen->screenNumber(), &m_format);
if (!visualInfo)
qFatal("Could not initialize GLX");
#elif defined(XCB_USE_EGL)
EGLDisplay eglDisplay = connection()->egl_display();
EGLConfig eglConfig = q_configFromGLFormat(eglDisplay, m_format, true);
m_format = q_glFormatFromConfig(eglDisplay, eglConfig);
VisualID id = QXlibEglIntegration::getCompatibleVisualId(DISPLAY_FROM_XCB(this), eglDisplay, eglConfig);
XVisualInfo visualInfoTemplate;
memset(&visualInfoTemplate, 0, sizeof(XVisualInfo));
visualInfoTemplate.visualid = id;
XVisualInfo *visualInfo;
int matchingCount = 0;
visualInfo = XGetVisualInfo(DISPLAY_FROM_XCB(this), VisualIDMask, &visualInfoTemplate, &matchingCount);
if (!visualInfo)
qFatal("Could not initialize EGL");
#endif //XCB_USE_GLX
m_depth = visualInfo->depth;
m_imageFormat = imageFormatForDepth(m_depth);
Colormap cmap = XCreateColormap(DISPLAY_FROM_XCB(this), xcb_parent_id, visualInfo->visual, AllocNone);
XSetWindowAttributes a;
a.background_pixel = WhitePixel(DISPLAY_FROM_XCB(this), m_screen->screenNumber());
a.border_pixel = BlackPixel(DISPLAY_FROM_XCB(this), m_screen->screenNumber());
a.colormap = cmap;
m_visualId = visualInfo->visualid;
m_window = XCreateWindow(DISPLAY_FROM_XCB(this), xcb_parent_id, rect.x(), rect.y(), rect.width(), rect.height(),
0, visualInfo->depth, InputOutput, visualInfo->visual,
CWBackPixel|CWBorderPixel|CWColormap, &a);
XFree(visualInfo);
} else
#endif //defined(XCB_USE_GLX) || defined(XCB_USE_EGL)
{
m_window = xcb_generate_id(xcb_connection());
m_depth = m_screen->screen()->root_depth;
m_imageFormat = imageFormatForDepth(m_depth);
m_visualId = m_screen->screen()->root_visual;
Q_XCB_CALL(xcb_create_window(xcb_connection(),
XCB_COPY_FROM_PARENT, // depth -- same as root
m_window, // window id
xcb_parent_id, // parent window id
rect.x(),
rect.y(),
rect.width(),
rect.height(),
0, // border width
XCB_WINDOW_CLASS_INPUT_OUTPUT, // window class
m_visualId, // visual
0, // value mask
0)); // value list
}
connection()->addWindow(m_window, this);
Q_XCB_CALL(xcb_change_window_attributes(xcb_connection(), m_window, mask, values));
propagateSizeHints();
xcb_atom_t properties[4];
int propertyCount = 0;
properties[propertyCount++] = atom(QXcbAtom::WM_DELETE_WINDOW);
properties[propertyCount++] = atom(QXcbAtom::WM_TAKE_FOCUS);
properties[propertyCount++] = atom(QXcbAtom::_NET_WM_PING);
if (m_screen->syncRequestSupported())
properties[propertyCount++] = atom(QXcbAtom::_NET_WM_SYNC_REQUEST);
if (window()->windowFlags() & Qt::WindowContextHelpButtonHint)
properties[propertyCount++] = atom(QXcbAtom::_NET_WM_CONTEXT_HELP);
Q_XCB_CALL(xcb_change_property(xcb_connection(),
XCB_PROP_MODE_REPLACE,
m_window,
atom(QXcbAtom::WM_PROTOCOLS),
XCB_ATOM_ATOM,
32,
propertyCount,
properties));
m_syncValue.hi = 0;
m_syncValue.lo = 0;
if (m_screen->syncRequestSupported()) {
m_syncCounter = xcb_generate_id(xcb_connection());
Q_XCB_CALL(xcb_sync_create_counter(xcb_connection(), m_syncCounter, m_syncValue));
Q_XCB_CALL(xcb_change_property(xcb_connection(),
XCB_PROP_MODE_REPLACE,
m_window,
atom(QXcbAtom::_NET_WM_SYNC_REQUEST_COUNTER),
XCB_ATOM_CARDINAL,
32,
1,
&m_syncCounter));
}
// set the PID to let the WM kill the application if unresponsive
long pid = getpid();
Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
atom(QXcbAtom::_NET_WM_PID), XCB_ATOM_CARDINAL, 32,
1, &pid));
xcb_wm_hints_t hints;
memset(&hints, 0, sizeof(hints));
xcb_wm_hints_set_normal(&hints);
xcb_wm_hints_set_input(&hints, !(window()->windowFlags() & Qt::WindowDoesNotAcceptFocus));
xcb_set_wm_hints(xcb_connection(), m_window, &hints);
xcb_window_t leader = m_screen->clientLeader();
Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
atom(QXcbAtom::WM_CLIENT_LEADER), XCB_ATOM_WINDOW, 32,
1, &leader));
#ifdef XCB_USE_XINPUT2_MAEMO
if (connection()->isUsingXInput2()) {
XIEventMask xieventmask;
uchar bitmask[2] = { 0, 0 };
xieventmask.deviceid = XIAllMasterDevices;
xieventmask.mask = bitmask;
xieventmask.mask_len = sizeof(bitmask);
XISetMask(bitmask, XI_ButtonPress);
XISetMask(bitmask, XI_ButtonRelease);
XISetMask(bitmask, XI_Motion);
XISelectEvents(DISPLAY_FROM_XCB(this), m_window, &xieventmask, 1);
}
#endif
setWindowFlags(window()->windowFlags());
setWindowTitle(window()->windowTitle());
setWindowState(window()->windowState());
if (window()->windowFlags() & Qt::WindowTransparentForInput)
setTransparentForMouseEvents(true);
connection()->drag()->dndEnable(this, true);
}
QXcbWindow::~QXcbWindow()
{
destroy();
}
void QXcbWindow::destroy()
{
if (m_syncCounter && m_screen->syncRequestSupported())
Q_XCB_CALL(xcb_sync_destroy_counter(xcb_connection(), m_syncCounter));
if (m_window) {
if (m_netWmUserTimeWindow) {
xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_NET_WM_USER_TIME_WINDOW));
// Some window managers, like metacity, do XSelectInput on the _NET_WM_USER_TIME_WINDOW window,
// without trapping BadWindow (which crashes when the user time window is destroyed).
connection()->sync();
xcb_destroy_window(xcb_connection(), m_netWmUserTimeWindow);
m_netWmUserTimeWindow = XCB_NONE;
}
connection()->removeWindow(m_window);
Q_XCB_CALL(xcb_destroy_window(xcb_connection(), m_window));
}
m_mapped = false;
#if defined(XCB_USE_EGL)
delete m_eglSurface;
m_eglSurface = 0;
#endif
}
void QXcbWindow::setGeometry(const QRect &rect)
{
QPlatformWindow::setGeometry(rect);
propagateSizeHints();
const quint32 mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y | XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT;
const qint32 values[] = {
qBound<qint32>(-XCOORD_MAX, rect.x(), XCOORD_MAX),
qBound<qint32>(-XCOORD_MAX, rect.y(), XCOORD_MAX),
qBound<qint32>(1, rect.width(), XCOORD_MAX),
qBound<qint32>(1, rect.height(), XCOORD_MAX),
};
Q_XCB_CALL(xcb_configure_window(xcb_connection(), m_window, mask, reinterpret_cast<const quint32*>(values)));
xcb_flush(xcb_connection());
}
QMargins QXcbWindow::frameMargins() const
{
if (m_dirtyFrameMargins) {
xcb_window_t window = m_window;
xcb_window_t parent = m_window;
bool foundRoot = false;
const QVector<xcb_window_t> &virtualRoots =
connection()->wmSupport()->virtualRoots();
while (!foundRoot) {
xcb_query_tree_cookie_t cookie = xcb_query_tree(xcb_connection(), parent);
xcb_generic_error_t *error;
xcb_query_tree_reply_t *reply = xcb_query_tree_reply(xcb_connection(), cookie, &error);
if (reply) {
if (reply->root == reply->parent || virtualRoots.indexOf(reply->parent) != -1) {
foundRoot = true;
} else {
window = parent;
parent = reply->parent;
}
free(reply);
} else {
if (error) {
connection()->handleXcbError(error);
free(error);
}
m_dirtyFrameMargins = false;
m_frameMargins = QMargins();
return m_frameMargins;
}
}
QPoint offset;
xcb_generic_error_t *error;
xcb_translate_coordinates_reply_t *reply =
xcb_translate_coordinates_reply(
xcb_connection(),
xcb_translate_coordinates(xcb_connection(), window, parent, 0, 0),
&error);
if (reply) {
offset = QPoint(reply->dst_x, reply->dst_y);
free(reply);
} else if (error) {
free(error);
}
xcb_get_geometry_reply_t *geom =
xcb_get_geometry_reply(
xcb_connection(),
xcb_get_geometry(xcb_connection(), parent),
&error);
if (geom) {
// --
// add the border_width for the window managers frame... some window managers
// do not use a border_width of zero for their frames, and if we the left and
// top strut, we ensure that pos() is absolutely correct. frameGeometry()
// will still be incorrect though... perhaps i should have foffset as well, to
// indicate the frame offset (equal to the border_width on X).
// - Brad
// -- copied from qwidget_x11.cpp
int left = offset.x() + geom->border_width;
int top = offset.y() + geom->border_width;
int right = geom->width + geom->border_width - geometry().width() - offset.x();
int bottom = geom->height + geom->border_width - geometry().height() - offset.y();
m_frameMargins = QMargins(left, top, right, bottom);
free(geom);
} else if (error) {
free(error);
}
m_dirtyFrameMargins = false;
}
return m_frameMargins;
}
void QXcbWindow::setVisible(bool visible)
{
if (visible)
show();
else
hide();
}
void QXcbWindow::show()
{
if (window()->isTopLevel()) {
xcb_get_property_cookie_t cookie = xcb_get_wm_hints(xcb_connection(), m_window);
xcb_generic_error_t *error;
xcb_wm_hints_t hints;
xcb_get_wm_hints_reply(xcb_connection(), cookie, &hints, &error);
if (error) {
connection()->handleXcbError(error);
free(error);
}
if (window()->windowState() & Qt::WindowMinimized)
xcb_wm_hints_set_iconic(&hints);
else
xcb_wm_hints_set_normal(&hints);
xcb_wm_hints_set_input(&hints, !(window()->windowFlags() & Qt::WindowDoesNotAcceptFocus));
xcb_set_wm_hints(xcb_connection(), m_window, &hints);
// update WM_NORMAL_HINTS
propagateSizeHints();
// update WM_TRANSIENT_FOR
if (window()->transientParent() && isTransient(window())) {
QXcbWindow *transientXcbParent = static_cast<QXcbWindow *>(window()->transientParent()->handle());
if (transientXcbParent) {
// ICCCM 4.1.2.6
xcb_window_t parentWindow = transientXcbParent->xcb_window();
// todo: set transient for group (wm_client_leader) if no parent, a la qwidget_x11.cpp
Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
XCB_ATOM_WM_TRANSIENT_FOR, XCB_ATOM_WINDOW, 32,
1, &parentWindow));
}
}
// update _MOTIF_WM_HINTS
updateMotifWmHintsBeforeMap();
// update _NET_WM_STATE
updateNetWmStateBeforeMap();
}
if (connection()->time() != CurrentTime)
updateNetWmUserTime(connection()->time());
Q_XCB_CALL(xcb_map_window(xcb_connection(), m_window));
xcb_flush(xcb_connection());
connection()->sync();
}
void QXcbWindow::hide()
{
Q_XCB_CALL(xcb_unmap_window(xcb_connection(), m_window));
// send synthetic UnmapNotify event according to icccm 4.1.4
xcb_unmap_notify_event_t event;
event.response_type = XCB_UNMAP_NOTIFY;
event.event = m_screen->root();
event.window = m_window;
event.from_configure = false;
Q_XCB_CALL(xcb_send_event(xcb_connection(), false, m_screen->root(),
XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *)&event));
xcb_flush(xcb_connection());
m_mapped = false;
}
struct QtMotifWmHints {
quint32 flags, functions, decorations;
qint32 input_mode;
quint32 status;
};
enum {
MWM_HINTS_FUNCTIONS = (1L << 0),
MWM_FUNC_ALL = (1L << 0),
MWM_FUNC_RESIZE = (1L << 1),
MWM_FUNC_MOVE = (1L << 2),
MWM_FUNC_MINIMIZE = (1L << 3),
MWM_FUNC_MAXIMIZE = (1L << 4),
MWM_FUNC_CLOSE = (1L << 5),
MWM_HINTS_DECORATIONS = (1L << 1),
MWM_DECOR_ALL = (1L << 0),
MWM_DECOR_BORDER = (1L << 1),
MWM_DECOR_RESIZEH = (1L << 2),
MWM_DECOR_TITLE = (1L << 3),
MWM_DECOR_MENU = (1L << 4),
MWM_DECOR_MINIMIZE = (1L << 5),
MWM_DECOR_MAXIMIZE = (1L << 6),
MWM_HINTS_INPUT_MODE = (1L << 2),
MWM_INPUT_MODELESS = 0L,
MWM_INPUT_PRIMARY_APPLICATION_MODAL = 1L,
MWM_INPUT_FULL_APPLICATION_MODAL = 3L
};
static QtMotifWmHints getMotifWmHints(QXcbConnection *c, xcb_window_t window)
{
QtMotifWmHints hints;
xcb_get_property_cookie_t get_cookie =
xcb_get_property(c->xcb_connection(), 0, window, c->atom(QXcbAtom::_MOTIF_WM_HINTS),
c->atom(QXcbAtom::_MOTIF_WM_HINTS), 0, 20);
xcb_generic_error_t *error;
xcb_get_property_reply_t *reply =
xcb_get_property_reply(c->xcb_connection(), get_cookie, &error);
if (reply && reply->format == 32 && reply->type == c->atom(QXcbAtom::_MOTIF_WM_HINTS)) {
hints = *((QtMotifWmHints *)xcb_get_property_value(reply));
} else if (error) {
c->handleXcbError(error);
free(error);
hints.flags = 0L;
hints.functions = MWM_FUNC_ALL;
hints.decorations = MWM_DECOR_ALL;
hints.input_mode = 0L;
hints.status = 0L;
}
free(reply);
return hints;
}
static void setMotifWmHints(QXcbConnection *c, xcb_window_t window, const QtMotifWmHints &hints)
{
if (hints.flags != 0l) {
Q_XCB_CALL2(xcb_change_property(c->xcb_connection(),
XCB_PROP_MODE_REPLACE,
window,
c->atom(QXcbAtom::_MOTIF_WM_HINTS),
c->atom(QXcbAtom::_MOTIF_WM_HINTS),
32,
5,
&hints), c);
} else {
Q_XCB_CALL2(xcb_delete_property(c->xcb_connection(), window, c->atom(QXcbAtom::_MOTIF_WM_HINTS)), c);
}
}
void QXcbWindow::printNetWmState(const QVector<xcb_atom_t> &state)
{
printf("_NET_WM_STATE (%d): ", state.size());
for (int i = 0; i < state.size(); ++i) {
#define CHECK_WM_STATE(state_atom) \
if (state.at(i) == atom(QXcbAtom::state_atom))\
printf(#state_atom " ");
CHECK_WM_STATE(_NET_WM_STATE_ABOVE)
CHECK_WM_STATE(_NET_WM_STATE_BELOW)
CHECK_WM_STATE(_NET_WM_STATE_FULLSCREEN)
CHECK_WM_STATE(_NET_WM_STATE_MAXIMIZED_HORZ)
CHECK_WM_STATE(_NET_WM_STATE_MAXIMIZED_VERT)
CHECK_WM_STATE(_NET_WM_STATE_MODAL)
CHECK_WM_STATE(_NET_WM_STATE_STAYS_ON_TOP)
CHECK_WM_STATE(_NET_WM_STATE_DEMANDS_ATTENTION)
#undef CHECK_WM_STATE
}
printf("\n");
}
QVector<xcb_atom_t> QXcbWindow::getNetWmState()
{
QVector<xcb_atom_t> result;
xcb_get_property_cookie_t get_cookie =
xcb_get_property(xcb_connection(), 0, m_window, atom(QXcbAtom::_NET_WM_STATE),
XCB_ATOM_ATOM, 0, 1024);
xcb_generic_error_t *error;
xcb_get_property_reply_t *reply =
xcb_get_property_reply(xcb_connection(), get_cookie, &error);
if (reply && reply->format == 32 && reply->type == XCB_ATOM_ATOM) {
result.resize(reply->length);
memcpy(result.data(), xcb_get_property_value(reply), reply->length * sizeof(xcb_atom_t));
#ifdef NET_WM_STATE_DEBUG
printf("getting net wm state (%x)\n", m_window);
printNetWmState(result);
#endif
free(reply);
} else if (error) {
connection()->handleXcbError(error);
free(error);
} else {
#ifdef NET_WM_STATE_DEBUG
printf("getting net wm state (%x), empty\n", m_window);
#endif
}
return result;
}
void QXcbWindow::setNetWmState(const QVector<xcb_atom_t> &atoms)
{
if (atoms.isEmpty()) {
Q_XCB_CALL(xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_NET_WM_STATE)));
} else {
Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
atom(QXcbAtom::_NET_WM_STATE), XCB_ATOM_ATOM, 32,
atoms.count(), atoms.constData()));
}
xcb_flush(xcb_connection());
}
Qt::WindowFlags QXcbWindow::setWindowFlags(Qt::WindowFlags flags)
{
Qt::WindowType type = static_cast<Qt::WindowType>(int(flags & Qt::WindowType_Mask));
if (type == Qt::ToolTip)
flags |= Qt::WindowStaysOnTopHint | Qt::FramelessWindowHint | Qt::X11BypassWindowManagerHint;
if (type == Qt::Popup)
flags |= Qt::X11BypassWindowManagerHint;
if (flags & Qt::WindowTransparentForInput) {
uint32_t mask = XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_VISIBILITY_CHANGE
| XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_RESIZE_REDIRECT
| XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT
| XCB_EVENT_MASK_FOCUS_CHANGE | XCB_EVENT_MASK_PROPERTY_CHANGE
| XCB_EVENT_MASK_COLOR_MAP_CHANGE | XCB_EVENT_MASK_OWNER_GRAB_BUTTON;
xcb_change_window_attributes(xcb_connection(), xcb_window(), XCB_CW_EVENT_MASK, &mask);
}
setNetWmWindowFlags(flags);
setMotifWindowFlags(flags);
setTransparentForMouseEvents(flags & Qt::WindowTransparentForInput);
updateDoesNotAcceptFocus(flags & Qt::WindowDoesNotAcceptFocus);
return flags;
}
void QXcbWindow::setMotifWindowFlags(Qt::WindowFlags flags)
{
Qt::WindowType type = static_cast<Qt::WindowType>(int(flags & Qt::WindowType_Mask));
QtMotifWmHints mwmhints;
mwmhints.flags = 0L;
mwmhints.functions = 0L;
mwmhints.decorations = 0;
mwmhints.input_mode = 0L;
mwmhints.status = 0L;
if (type != Qt::SplashScreen) {
mwmhints.flags |= MWM_HINTS_DECORATIONS;
bool customize = flags & Qt::CustomizeWindowHint;
if (!(flags & Qt::FramelessWindowHint) && !(customize && !(flags & Qt::WindowTitleHint))) {
mwmhints.decorations |= MWM_DECOR_BORDER;
mwmhints.decorations |= MWM_DECOR_RESIZEH;
if (flags & Qt::WindowTitleHint)
mwmhints.decorations |= MWM_DECOR_TITLE;
if (flags & Qt::WindowSystemMenuHint)
mwmhints.decorations |= MWM_DECOR_MENU;
if (flags & Qt::WindowMinimizeButtonHint) {
mwmhints.decorations |= MWM_DECOR_MINIMIZE;
mwmhints.functions |= MWM_FUNC_MINIMIZE;
}
if (flags & Qt::WindowMaximizeButtonHint) {
mwmhints.decorations |= MWM_DECOR_MAXIMIZE;
mwmhints.functions |= MWM_FUNC_MAXIMIZE;
}
if (flags & Qt::WindowCloseButtonHint)
mwmhints.functions |= MWM_FUNC_CLOSE;
}
} else {
// if type == Qt::SplashScreen
mwmhints.decorations = MWM_DECOR_ALL;
}
if (mwmhints.functions != 0) {
mwmhints.flags |= MWM_HINTS_FUNCTIONS;
mwmhints.functions |= MWM_FUNC_MOVE | MWM_FUNC_RESIZE;
} else {
mwmhints.functions = MWM_FUNC_ALL;
}
if (!(flags & Qt::FramelessWindowHint)
&& flags & Qt::CustomizeWindowHint
&& flags & Qt::WindowTitleHint
&& !(flags &
(Qt::WindowMinimizeButtonHint
| Qt::WindowMaximizeButtonHint
| Qt::WindowCloseButtonHint)))
{
// a special case - only the titlebar without any button
mwmhints.flags = MWM_HINTS_FUNCTIONS;
mwmhints.functions = MWM_FUNC_MOVE | MWM_FUNC_RESIZE;
mwmhints.decorations = 0;
}
setMotifWmHints(connection(), m_window, mwmhints);
}
void QXcbWindow::changeNetWmState(bool set, xcb_atom_t one, xcb_atom_t two)
{
xcb_client_message_event_t event;
event.response_type = XCB_CLIENT_MESSAGE;
event.format = 32;
event.window = m_window;
event.type = atom(QXcbAtom::_NET_WM_STATE);
event.data.data32[0] = set ? 1 : 0;
event.data.data32[1] = one;
event.data.data32[2] = two;
event.data.data32[3] = 0;
event.data.data32[4] = 0;
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));
}
Qt::WindowState QXcbWindow::setWindowState(Qt::WindowState state)
{
if (state == m_windowState)
return state;
// unset old state
switch (m_windowState) {
case Qt::WindowMinimized:
Q_XCB_CALL(xcb_map_window(xcb_connection(), m_window));
break;
case Qt::WindowMaximized:
changeNetWmState(false,
atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ),
atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT));
break;
case Qt::WindowFullScreen:
changeNetWmState(false, atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN));
break;
default:
break;
}
// set new state
switch (state) {
case Qt::WindowMinimized:
{
xcb_client_message_event_t event;
event.response_type = XCB_CLIENT_MESSAGE;
event.format = 32;
event.window = m_window;
event.type = atom(QXcbAtom::WM_CHANGE_STATE);
event.data.data32[0] = XCB_WM_STATE_ICONIC;
event.data.data32[1] = 0;
event.data.data32[2] = 0;
event.data.data32[3] = 0;
event.data.data32[4] = 0;
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));
}
break;
case Qt::WindowMaximized:
changeNetWmState(true,
atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ),
atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT));
break;
case Qt::WindowFullScreen:
changeNetWmState(true, atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN));
break;
case Qt::WindowNoState:
break;
default:
break;
}
connection()->sync();
m_windowState = state;
return m_windowState;
}
void QXcbWindow::setNetWmWindowFlags(Qt::WindowFlags flags)
{
// in order of decreasing priority
QVector<uint> windowTypes;
Qt::WindowType type = static_cast<Qt::WindowType>(int(flags & Qt::WindowType_Mask));
switch (type) {
case Qt::Dialog:
case Qt::Sheet:
windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_DIALOG));
break;
case Qt::Tool:
case Qt::Drawer:
windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_UTILITY));
break;
case Qt::ToolTip:
windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_TOOLTIP));
break;
case Qt::SplashScreen:
windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_SPLASH));
break;
default:
break;
}
if (flags & Qt::FramelessWindowHint)
windowTypes.append(atom(QXcbAtom::_KDE_NET_WM_WINDOW_TYPE_OVERRIDE));
windowTypes.append(atom(QXcbAtom::_NET_WM_WINDOW_TYPE_NORMAL));
Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
atom(QXcbAtom::_NET_WM_WINDOW_TYPE), XCB_ATOM_ATOM, 32,
windowTypes.count(), windowTypes.constData()));
}
void QXcbWindow::updateMotifWmHintsBeforeMap()
{
QtMotifWmHints mwmhints = getMotifWmHints(connection(), m_window);
if (window()->windowModality() != Qt::NonModal) {
switch (window()->windowModality()) {
case Qt::WindowModal:
mwmhints.input_mode = MWM_INPUT_PRIMARY_APPLICATION_MODAL;
break;
case Qt::ApplicationModal:
default:
mwmhints.input_mode = MWM_INPUT_FULL_APPLICATION_MODAL;
break;
}
mwmhints.flags |= MWM_HINTS_INPUT_MODE;
} else {
mwmhints.input_mode = MWM_INPUT_MODELESS;
mwmhints.flags &= ~MWM_HINTS_INPUT_MODE;
}
if (window()->minimumSize() == window()->maximumSize()) {
// fixed size, remove the resize handle (since mwm/dtwm
// isn't smart enough to do it itself)
mwmhints.flags |= MWM_HINTS_FUNCTIONS;
if (mwmhints.functions == MWM_FUNC_ALL) {
mwmhints.functions = MWM_FUNC_MOVE;
} else {
mwmhints.functions &= ~MWM_FUNC_RESIZE;
}
if (mwmhints.decorations == MWM_DECOR_ALL) {
mwmhints.flags |= MWM_HINTS_DECORATIONS;
mwmhints.decorations = (MWM_DECOR_BORDER
| MWM_DECOR_TITLE
| MWM_DECOR_MENU);
} else {
mwmhints.decorations &= ~MWM_DECOR_RESIZEH;
}
}
if (window()->windowFlags() & Qt::WindowMinimizeButtonHint) {
mwmhints.flags |= MWM_HINTS_DECORATIONS;
mwmhints.decorations |= MWM_DECOR_MINIMIZE;
mwmhints.functions |= MWM_FUNC_MINIMIZE;
}
if (window()->windowFlags() & Qt::WindowMaximizeButtonHint) {
mwmhints.flags |= MWM_HINTS_DECORATIONS;
mwmhints.decorations |= MWM_DECOR_MAXIMIZE;
mwmhints.functions |= MWM_FUNC_MAXIMIZE;
}
if (window()->windowFlags() & Qt::WindowCloseButtonHint)
mwmhints.functions |= MWM_FUNC_CLOSE;
setMotifWmHints(connection(), m_window, mwmhints);
}
void QXcbWindow::updateNetWmStateBeforeMap()
{
QVector<xcb_atom_t> netWmState;
Qt::WindowFlags flags = window()->windowFlags();
if (flags & Qt::WindowStaysOnTopHint) {
netWmState.append(atom(QXcbAtom::_NET_WM_STATE_ABOVE));
netWmState.append(atom(QXcbAtom::_NET_WM_STATE_STAYS_ON_TOP));
} else if (flags & Qt::WindowStaysOnBottomHint) {
netWmState.append(atom(QXcbAtom::_NET_WM_STATE_BELOW));
}
if (window()->windowState() & Qt::WindowFullScreen) {
netWmState.append(atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN));
}
if (window()->windowState() & Qt::WindowMaximized) {
netWmState.append(atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ));
netWmState.append(atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT));
}
if (window()->windowModality() != Qt::NonModal) {
netWmState.append(atom(QXcbAtom::_NET_WM_STATE_MODAL));
}
setNetWmState(netWmState);
}
void QXcbWindow::updateNetWmUserTime(xcb_timestamp_t timestamp)
{
xcb_window_t wid = m_window;
const bool isSupportedByWM = connection()->wmSupport()->isSupportedByWM(atom(QXcbAtom::_NET_WM_USER_TIME_WINDOW));
if (m_netWmUserTimeWindow || isSupportedByWM) {
if (!m_netWmUserTimeWindow) {
m_netWmUserTimeWindow = xcb_generate_id(xcb_connection());
Q_XCB_CALL(xcb_create_window(xcb_connection(),
XCB_COPY_FROM_PARENT, // depth -- same as root
m_netWmUserTimeWindow, // window id
m_window, // parent window id
-1, -1, 1, 1,
0, // border width
XCB_WINDOW_CLASS_INPUT_OUTPUT, // window class
m_visualId, // visual
0, // value mask
0)); // value list
wid = m_netWmUserTimeWindow;
xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window, atom(QXcbAtom::_NET_WM_USER_TIME_WINDOW),
XCB_ATOM_WINDOW, 32, 1, &m_netWmUserTimeWindow);
xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_NET_WM_USER_TIME));
} else if (!isSupportedByWM) {
// WM no longer supports it, then we should remove the
// _NET_WM_USER_TIME_WINDOW atom.
xcb_delete_property(xcb_connection(), m_window, atom(QXcbAtom::_NET_WM_USER_TIME_WINDOW));
xcb_destroy_window(xcb_connection(), m_netWmUserTimeWindow);
m_netWmUserTimeWindow = XCB_NONE;
} else {
wid = m_netWmUserTimeWindow;
}
}
xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, wid, atom(QXcbAtom::_NET_WM_USER_TIME),
XCB_ATOM_CARDINAL, 32, 1, &timestamp);
}
void QXcbWindow::setTransparentForMouseEvents(bool transparent)
{
if (transparent == m_transparent)
return;
xcb_rectangle_t rectangle;
xcb_rectangle_t *rect = 0;
int nrect = 0;
if (!transparent) {
rectangle.x = 0;
rectangle.y = 0;
rectangle.width = geometry().width();
rectangle.height = geometry().height();
rect = &rectangle;
nrect = 1;
}
xcb_xfixes_region_t region = xcb_generate_id(xcb_connection());
xcb_xfixes_create_region(xcb_connection(), region, nrect, rect);
xcb_xfixes_set_window_shape_region_checked(xcb_connection(), m_window, XCB_SHAPE_SK_INPUT, 0, 0, region);
xcb_xfixes_destroy_region(xcb_connection(), region);
m_transparent = transparent;
}
void QXcbWindow::updateDoesNotAcceptFocus(bool doesNotAcceptFocus)
{
xcb_get_property_cookie_t cookie = xcb_get_wm_hints(xcb_connection(), m_window);
xcb_generic_error_t *error;
xcb_wm_hints_t hints;
xcb_get_wm_hints_reply(xcb_connection(), cookie, &hints, &error);
if (error) {
connection()->handleXcbError(error);
free(error);
return;
}
xcb_wm_hints_set_input(&hints, !doesNotAcceptFocus);
xcb_set_wm_hints(xcb_connection(), m_window, &hints);
}
WId QXcbWindow::winId() const
{
return m_window;
}
void QXcbWindow::setParent(const QPlatformWindow *parent)
{
// re-create for compatibility
create();
QPoint topLeft = geometry().topLeft();
xcb_window_t xcb_parent_id = parent ? static_cast<const QXcbWindow *>(parent)->xcb_window() : m_screen->root();
Q_XCB_CALL(xcb_reparent_window(xcb_connection(), xcb_window(), xcb_parent_id, topLeft.x(), topLeft.y()));
}
void QXcbWindow::setWindowTitle(const QString &title)
{
QByteArray ba = title.toUtf8();
Q_XCB_CALL(xcb_change_property(xcb_connection(),
XCB_PROP_MODE_REPLACE,
m_window,
atom(QXcbAtom::_NET_WM_NAME),
atom(QXcbAtom::UTF8_STRING),
8,
ba.length(),
ba.constData()));
}
void QXcbWindow::raise()
{
const quint32 mask = XCB_CONFIG_WINDOW_STACK_MODE;
const quint32 values[] = { XCB_STACK_MODE_ABOVE };
Q_XCB_CALL(xcb_configure_window(xcb_connection(), m_window, mask, values));
}
void QXcbWindow::lower()
{
const quint32 mask = XCB_CONFIG_WINDOW_STACK_MODE;
const quint32 values[] = { XCB_STACK_MODE_BELOW };
Q_XCB_CALL(xcb_configure_window(xcb_connection(), m_window, mask, values));
}
void QXcbWindow::propagateSizeHints()
{
// update WM_NORMAL_HINTS
xcb_size_hints_t hints;
memset(&hints, 0, sizeof(hints));
QRect rect = geometry();
QWindow *win = window();
xcb_size_hints_set_position(&hints, true, rect.x(), rect.y());
xcb_size_hints_set_size(&hints, true, rect.width(), rect.height());
xcb_size_hints_set_win_gravity(&hints, qt_window_private(win)->positionPolicy == QWindowPrivate::WindowFrameInclusive
? XCB_GRAVITY_NORTH_WEST : XCB_GRAVITY_STATIC);
QSize minimumSize = win->minimumSize();
QSize maximumSize = win->maximumSize();
QSize baseSize = win->baseSize();
QSize sizeIncrement = win->sizeIncrement();
if (minimumSize.width() > 0 || minimumSize.height() > 0)
xcb_size_hints_set_min_size(&hints, minimumSize.width(), minimumSize.height());
if (maximumSize.width() < QWINDOWSIZE_MAX || maximumSize.height() < QWINDOWSIZE_MAX)
xcb_size_hints_set_max_size(&hints,
qMin(XCOORD_MAX, maximumSize.width()),
qMin(XCOORD_MAX, maximumSize.height()));
if (sizeIncrement.width() > 0 || sizeIncrement.height() > 0) {
xcb_size_hints_set_base_size(&hints, baseSize.width(), baseSize.height());
xcb_size_hints_set_resize_inc(&hints, sizeIncrement.width(), sizeIncrement.height());
}
xcb_set_wm_normal_hints(xcb_connection(), m_window, &hints);
}
void QXcbWindow::requestActivateWindow()
{
if (!m_mapped) {
m_deferredActivation = true;
return;
}
m_deferredActivation = false;
updateNetWmUserTime(connection()->time());
if (window()->isTopLevel()
&& connection()->wmSupport()->isSupportedByWM(atom(QXcbAtom::_NET_ACTIVE_WINDOW))) {
xcb_client_message_event_t event;
event.response_type = XCB_CLIENT_MESSAGE;
event.format = 32;
event.window = m_window;
event.type = atom(QXcbAtom::_NET_ACTIVE_WINDOW);
event.data.data32[0] = 1;
event.data.data32[1] = connection()->time();
QWindow *focusWindow = QGuiApplication::focusWindow();
event.data.data32[2] = focusWindow ? focusWindow->winId() : XCB_NONE;
event.data.data32[3] = 0;
event.data.data32[4] = 0;
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));
} else {
Q_XCB_CALL(xcb_set_input_focus(xcb_connection(), XCB_INPUT_FOCUS_PARENT, m_window, connection()->time()));
}
connection()->sync();
}
#if XCB_USE_MAEMO_WINDOW_PROPERTIES
void QXcbWindow::setOrientation(Qt::ScreenOrientation orientation)
{
int angle = 0;
switch (orientation) {
case Qt::PortraitOrientation: angle = 270; break;
case Qt::LandscapeOrientation: angle = 0; break;
case Qt::InvertedPortraitOrientation: angle = 90; break;
case Qt::InvertedLandscapeOrientation: angle = 180; break;
case Qt::PrimaryOrientation: break;
}
Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
atom(QXcbAtom::MeegoTouchOrientationAngle), XCB_ATOM_CARDINAL, 32,
1, &angle));
}
#endif
QSurfaceFormat QXcbWindow::format() const
{
// ### return actual format
return m_format;
}
#if defined(XCB_USE_EGL)
QXcbEGLSurface *QXcbWindow::eglSurface() const
{
if (!m_eglSurface) {
EGLDisplay display = connection()->egl_display();
EGLConfig config = q_configFromGLFormat(display, window()->requestedFormat(), true);
EGLSurface surface = eglCreateWindowSurface(display, config, (EGLNativeWindowType)m_window, 0);
m_eglSurface = new QXcbEGLSurface(display, surface);
}
return m_eglSurface;
}
#endif
void QXcbWindow::handleExposeEvent(const xcb_expose_event_t *event)
{
QRect rect(event->x, event->y, event->width, event->height);
if (m_exposeRegion.isEmpty())
m_exposeRegion = rect;
else
m_exposeRegion |= rect;
// if count is non-zero there are more expose events pending
if (event->count == 0) {
QWindowSystemInterface::handleSynchronousExposeEvent(window(), m_exposeRegion);
m_exposeRegion = QRegion();
}
}
void QXcbWindow::handleClientMessageEvent(const xcb_client_message_event_t *event)
{
if (event->format != 32)
return;
if (event->type == atom(QXcbAtom::WM_PROTOCOLS)) {
if (event->data.data32[0] == atom(QXcbAtom::WM_DELETE_WINDOW)) {
QWindowSystemInterface::handleCloseEvent(window());
} else if (event->data.data32[0] == atom(QXcbAtom::WM_TAKE_FOCUS)) {
connection()->setTime(event->data.data32[1]);
} else if (event->data.data32[0] == atom(QXcbAtom::_NET_WM_PING)) {
xcb_client_message_event_t reply = *event;
reply.response_type = XCB_CLIENT_MESSAGE;
reply.window = m_screen->root();
xcb_send_event(xcb_connection(), 0, m_screen->root(), XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (const char *)&reply);
xcb_flush(xcb_connection());
} else if (event->data.data32[0] == atom(QXcbAtom::_NET_WM_SYNC_REQUEST)) {
connection()->setTime(event->data.data32[1]);
m_syncValue.lo = event->data.data32[2];
m_syncValue.hi = event->data.data32[3];
} else {
qWarning() << "QXcbWindow: Unhandled WM_PROTOCOLS message:" << connection()->atomName(event->data.data32[0]);
}
} else if (event->type == atom(QXcbAtom::XdndEnter)) {
connection()->drag()->handleEnter(window(), event);
} else if (event->type == atom(QXcbAtom::XdndPosition)) {
connection()->drag()->handlePosition(window(), event);
} else if (event->type == atom(QXcbAtom::XdndLeave)) {
connection()->drag()->handleLeave(window(), event);
} else if (event->type == atom(QXcbAtom::XdndDrop)) {
connection()->drag()->handleDrop(window(), event);
} else if (event->type == atom(QXcbAtom::_XEMBED)) { // QSystemTrayIcon
} else {
qWarning() << "QXcbWindow: Unhandled client message:" << connection()->atomName(event->type);
}
}
void QXcbWindow::handleConfigureNotifyEvent(const xcb_configure_notify_event_t *event)
{
bool fromSendEvent = (event->response_type & 0x80);
QPoint pos(event->x, event->y);
if (!parent() && !fromSendEvent) {
// Do not trust the position, query it instead.
xcb_translate_coordinates_cookie_t cookie = xcb_translate_coordinates(xcb_connection(), xcb_window(),
m_screen->root(), 0, 0);
xcb_generic_error_t *error;
xcb_translate_coordinates_reply_t *reply = xcb_translate_coordinates_reply(xcb_connection(), cookie, &error);
if (reply) {
pos.setX(reply->dst_x);
pos.setY(reply->dst_y);
free(reply);
} else if (error) {
free(error);
}
}
QRect rect(pos, QSize(event->width, event->height));
QPlatformWindow::setGeometry(rect);
QWindowSystemInterface::handleGeometryChange(window(), rect);
m_dirtyFrameMargins = true;
#if XCB_USE_DRI2
if (m_context)
static_cast<QDri2Context *>(m_context)->resize(rect.size());
#endif
}
void QXcbWindow::handleMapNotifyEvent(const xcb_map_notify_event_t *event)
{
if (event->window == m_window) {
m_mapped = true;
if (m_deferredActivation)
requestActivateWindow();
QWindowSystemInterface::handleMapEvent(window());
}
}
void QXcbWindow::handleUnmapNotifyEvent(const xcb_unmap_notify_event_t *event)
{
if (event->window == m_window) {
m_mapped = false;
QWindowSystemInterface::handleUnmapEvent(window());
}
}
static Qt::MouseButtons translateMouseButtons(int s)
{
Qt::MouseButtons ret = 0;
if (s & XCB_BUTTON_MASK_1)
ret |= Qt::LeftButton;
if (s & XCB_BUTTON_MASK_2)
ret |= Qt::MidButton;
if (s & XCB_BUTTON_MASK_3)
ret |= Qt::RightButton;
return ret;
}
static Qt::MouseButton translateMouseButton(xcb_button_t s)
{
switch (s) {
case 1: return Qt::LeftButton;
case 2: return Qt::MidButton;
case 3: return Qt::RightButton;
// Button values 4-7 were already handled as Wheel events, and won't occur here.
case 8: return Qt::BackButton; // Also known as Qt::ExtraButton1
case 9: return Qt::ForwardButton; // Also known as Qt::ExtraButton2
case 10: return Qt::ExtraButton3;
case 11: return Qt::ExtraButton4;
case 12: return Qt::ExtraButton5;
case 13: return Qt::ExtraButton6;
case 14: return Qt::ExtraButton7;
case 15: return Qt::ExtraButton8;
case 16: return Qt::ExtraButton9;
case 17: return Qt::ExtraButton10;
case 18: return Qt::ExtraButton11;
case 19: return Qt::ExtraButton12;
case 20: return Qt::ExtraButton13;
case 21: return Qt::ExtraButton14;
case 22: return Qt::ExtraButton15;
case 23: return Qt::ExtraButton16;
case 24: return Qt::ExtraButton17;
case 25: return Qt::ExtraButton18;
case 26: return Qt::ExtraButton19;
case 27: return Qt::ExtraButton20;
case 28: return Qt::ExtraButton21;
case 29: return Qt::ExtraButton22;
case 30: return Qt::ExtraButton23;
case 31: return Qt::ExtraButton24;
default: return Qt::NoButton;
}
}
void QXcbWindow::handleButtonPressEvent(const xcb_button_press_event_t *event)
{
updateNetWmUserTime(event->time);
QPoint local(event->event_x, event->event_y);
QPoint global(event->root_x, event->root_y);
Qt::KeyboardModifiers modifiers = connection()->keyboard()->translateModifiers(event->state);
if (event->detail >= 4 && event->detail <= 7) {
// Logic borrowed from qapplication_x11.cpp
int delta = 120 * ((event->detail == 4 || event->detail == 6) ? 1 : -1);
bool hor = (((event->detail == 4 || event->detail == 5)
&& (modifiers & Qt::AltModifier))
|| (event->detail == 6 || event->detail == 7));
QWindowSystemInterface::handleWheelEvent(window(), event->time,
local, global, delta, hor ? Qt::Horizontal : Qt::Vertical, modifiers);
return;
}
handleMouseEvent(event->detail, event->state, event->time, local, global, modifiers);
}
void QXcbWindow::handleButtonReleaseEvent(const xcb_button_release_event_t *event)
{
QPoint local(event->event_x, event->event_y);
QPoint global(event->root_x, event->root_y);
Qt::KeyboardModifiers modifiers = connection()->keyboard()->translateModifiers(event->state);
handleMouseEvent(event->detail, event->state, event->time, local, global, modifiers);
}
void QXcbWindow::handleMotionNotifyEvent(const xcb_motion_notify_event_t *event)
{
QPoint local(event->event_x, event->event_y);
QPoint global(event->root_x, event->root_y);
Qt::KeyboardModifiers modifiers = connection()->keyboard()->translateModifiers(event->state);
handleMouseEvent(event->detail, event->state, event->time, local, global, modifiers);
}
void QXcbWindow::handleMouseEvent(xcb_button_t detail, uint16_t state, xcb_timestamp_t time, const QPoint &local, const QPoint &global, Qt::KeyboardModifiers modifiers)
{
connection()->setTime(time);
Qt::MouseButtons buttons = translateMouseButtons(state);
Qt::MouseButton button = translateMouseButton(detail);
buttons ^= button; // X event uses state *before*, Qt uses state *after*
QWindowSystemInterface::handleMouseEvent(window(), time, local, global, buttons, modifiers);
}
void QXcbWindow::handleEnterNotifyEvent(const xcb_enter_notify_event_t *event)
{
connection()->setTime(event->time);
if ((event->mode != XCB_NOTIFY_MODE_NORMAL && event->mode != XCB_NOTIFY_MODE_UNGRAB)
|| event->detail == XCB_NOTIFY_DETAIL_VIRTUAL
|| event->detail == XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL)
{
return;
}
QWindowSystemInterface::handleEnterEvent(window());
}
void QXcbWindow::handleLeaveNotifyEvent(const xcb_leave_notify_event_t *event)
{
connection()->setTime(event->time);
if ((event->mode != XCB_NOTIFY_MODE_NORMAL && event->mode != XCB_NOTIFY_MODE_UNGRAB)
|| event->detail == XCB_NOTIFY_DETAIL_INFERIOR)
{
return;
}
QWindowSystemInterface::handleLeaveEvent(window());
}
void QXcbWindow::handlePropertyNotifyEvent(const xcb_property_notify_event_t *event)
{
connection()->setTime(event->time);
bool propertyDeleted = event->state == XCB_PROPERTY_DELETE;
if (event->atom == atom(QXcbAtom::_NET_WM_STATE) || event->atom == atom(QXcbAtom::WM_STATE)) {
if (propertyDeleted)
return;
xcb_get_property_cookie_t get_cookie =
xcb_get_property(xcb_connection(), 0, m_window, atom(QXcbAtom::WM_STATE),
XCB_ATOM_ANY, 0, 1024);
xcb_generic_error_t *error;
xcb_get_property_reply_t *reply =
xcb_get_property_reply(xcb_connection(), get_cookie, &error);
xcb_atom_t wm_state = XCB_WM_STATE_WITHDRAWN;
if (reply && reply->format == 32 && reply->type == atom(QXcbAtom::WM_STATE)) {
if (reply->length != 0)
wm_state = ((long *)xcb_get_property_value(reply))[0];
free(reply);
} else if (error) {
connection()->handleXcbError(error);
free(error);
}
QVector<xcb_atom_t> netWmState = getNetWmState();
bool maximized = netWmState.contains(atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ))
&& netWmState.contains(atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT));
bool fullscreen = netWmState.contains(atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN));
Qt::WindowState state = Qt::WindowNoState;
if (wm_state == XCB_WM_STATE_ICONIC)
state = Qt::WindowMinimized;
else if (maximized)
state = Qt::WindowMaximized;
else if (fullscreen)
state = Qt::WindowFullScreen;
QWindowSystemInterface::handleWindowStateChanged(window(), state);
}
}
void QXcbWindow::handleFocusInEvent(const xcb_focus_in_event_t *)
{
QWindowSystemInterface::handleWindowActivated(window());
}
static bool focusInPeeker(xcb_generic_event_t *event)
{
if (!event) {
// FocusIn event is not in the queue, proceed with FocusOut normally.
QWindowSystemInterface::handleWindowActivated(0);
return true;
}
uint response_type = event->response_type & ~0x80;
return response_type == XCB_FOCUS_IN;
}
void QXcbWindow::handleFocusOutEvent(const xcb_focus_out_event_t *)
{
// Do not set the active window to 0 if there is a FocusIn coming.
// There is however no equivalent for XPutBackEvent so register a
// callback for QXcbConnection instead.
connection()->addPeekFunc(focusInPeeker);
}
void QXcbWindow::updateSyncRequestCounter()
{
if (m_screen->syncRequestSupported() && (m_syncValue.lo != 0 || m_syncValue.hi != 0)) {
Q_XCB_CALL(xcb_sync_set_counter(xcb_connection(), m_syncCounter, m_syncValue));
xcb_flush(xcb_connection());
connection()->sync();
m_syncValue.lo = 0;
m_syncValue.hi = 0;
}
}
bool QXcbWindow::setKeyboardGrabEnabled(bool grab)
{
if (!grab) {
xcb_ungrab_keyboard(xcb_connection(), XCB_TIME_CURRENT_TIME);
return true;
}
xcb_grab_keyboard_cookie_t cookie = xcb_grab_keyboard(xcb_connection(), false,
m_window, XCB_TIME_CURRENT_TIME,
XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
xcb_generic_error_t *err;
xcb_grab_keyboard_reply_t *reply = xcb_grab_keyboard_reply(xcb_connection(), cookie, &err);
bool result = !(err || !reply || reply->status != XCB_GRAB_STATUS_SUCCESS);
free(reply);
free(err);
return result;
}
bool QXcbWindow::setMouseGrabEnabled(bool grab)
{
if (!grab) {
xcb_ungrab_pointer(xcb_connection(), XCB_TIME_CURRENT_TIME);
return true;
}
xcb_grab_pointer_cookie_t cookie = xcb_grab_pointer(xcb_connection(), false, m_window,
(XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE
| XCB_EVENT_MASK_BUTTON_MOTION | XCB_EVENT_MASK_ENTER_WINDOW
| XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_POINTER_MOTION),
XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC,
XCB_WINDOW_NONE, XCB_CURSOR_NONE,
XCB_TIME_CURRENT_TIME);
xcb_generic_error_t *err;
xcb_grab_pointer_reply_t *reply = xcb_grab_pointer_reply(xcb_connection(), cookie, &err);
bool result = !(err || !reply || reply->status != XCB_GRAB_STATUS_SUCCESS);
free(reply);
free(err);
return result;
}
void QXcbWindow::setCursor(xcb_cursor_t cursor)
{
xcb_change_window_attributes(xcb_connection(), m_window, XCB_CW_CURSOR, &cursor);
xcb_flush(xcb_connection());
}
QT_END_NAMESPACE
Reference in New Issue View Git Blame Copy Permalink