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kwin/client.cpp

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/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 1999, 2000 Matthias Ettrich <ettrich@kde.org>
Copyright (C) 2003 Lubos Lunak <l.lunak@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
// own
#include "client.h"
// kwin
#ifdef KWIN_BUILD_ACTIVITIES
#include "activities.h"
#endif
#ifdef KWIN_BUILD_KAPPMENU
#include "appmenu.h"
#endif
#include "atoms.h"
#include "bridge.h"
#include "client_machine.h"
#include "composite.h"
#include "cursor.h"
#include "decorations.h"
#include "deleted.h"
#include "focuschain.h"
#include "group.h"
#include "paintredirector.h"
#include "shadow.h"
#ifdef KWIN_BUILD_TABBOX
#include "tabbox.h"
#endif
#include "workspace.h"
#include "screenedge.h"
// KDE
#include <KDE/KWindowSystem>
#include <KDE/KColorScheme>
// Qt
#include <QApplication>
#include <QDebug>
#include <QProcess>
#include <QStandardPaths>
#include <QScriptEngine>
#include <QScriptProgram>
#include <QWhatsThis>
// XLib
#include <X11/extensions/sync.h>
// system
#include <unistd.h>
#include <signal.h>
// Put all externs before the namespace statement to allow the linker
// to resolve them properly
namespace KWin
{
bool Client::s_haveResizeEffect = false;
// Creating a client:
// - only by calling Workspace::createClient()
// - it creates a new client and calls manage() for it
//
// Destroying a client:
// - destroyClient() - only when the window itself has been destroyed
// - releaseWindow() - the window is kept, only the client itself is destroyed
/**
* \class Client client.h
* \brief The Client class encapsulates a window decoration frame.
*/
/**
* This ctor is "dumb" - it only initializes data. All the real initialization
* is done in manage().
*/
Client::Client()
: Toplevel()
, m_client()
, m_wrapper()
, m_frame()
, decoration(NULL)
, bridge(new Bridge(this))
, m_activityUpdatesBlocked(false)
, m_blockedActivityUpdatesRequireTransients(false)
, m_moveResizeGrabWindow()
, move_resize_has_keyboard_grab(false)
, m_managed(false)
, transient_for (NULL)
, m_transientForId(XCB_WINDOW_NONE)
, m_originalTransientForId(XCB_WINDOW_NONE)
, shade_below(NULL)
, skip_switcher(false)
, blocks_compositing(false)
, m_cursor(Qt::ArrowCursor)
, autoRaiseTimer(NULL)
, shadeHoverTimer(NULL)
, delayedMoveResizeTimer(NULL)
, m_colormap(XCB_COLORMAP_NONE)
, in_group(NULL)
, m_windowGroup(XCB_WINDOW_NONE)
, tab_group(NULL)
, in_layer(UnknownLayer)
, ping_timer(NULL)
, m_killHelperPID(0)
, m_pingTimestamp(XCB_TIME_CURRENT_TIME)
, m_userTime(XCB_TIME_CURRENT_TIME) // Not known yet
, allowed_actions(0)
, block_geometry_updates(0)
, pending_geometry_update(PendingGeometryNone)
, shade_geometry_change(false)
, border_left(0)
, border_right(0)
, border_top(0)
, border_bottom(0)
, padding_left(0)
, padding_right(0)
, padding_top(0)
, padding_bottom(0)
, sm_stacking_order(-1)
, paintRedirector(0)
, m_firstInTabBox(false)
, electricMaximizing(false)
, activitiesDefined(false)
, needsSessionInteract(false)
, needsXWindowMove(false)
#ifdef KWIN_BUILD_KAPPMENU
, m_menuAvailable(false)
#endif
, m_decoInputExtent()
, m_focusOutTimer(nullptr)
, m_palette(QApplication::palette())
{
// TODO: Do all as initialization
syncRequest.counter = syncRequest.alarm = XCB_NONE;
syncRequest.timeout = syncRequest.failsafeTimeout = NULL;
syncRequest.isPending = false;
// Set the initial mapping state
mapping_state = Withdrawn;
quick_tile_mode = QuickTileNone;
desk = 0; // No desktop yet
mode = PositionCenter;
buttonDown = false;
moveResizeMode = false;
info = NULL;
shade_mode = ShadeNone;
active = false;
deleting = false;
keep_above = false;
keep_below = false;
motif_may_move = true;
motif_may_resize = true;
motif_may_close = true;
fullscreen_mode = FullScreenNone;
skip_taskbar = false;
original_skip_taskbar = false;
minimized = false;
hidden = false;
modal = false;
noborder = false;
app_noborder = false;
motif_noborder = false;
urgency = false;
ignore_focus_stealing = false;
demands_attention = false;
check_active_modal = false;
Pdeletewindow = 0;
Ptakefocus = 0;
Ptakeactivity = 0;
Pcontexthelp = 0;
Pping = 0;
input = false;
skip_pager = false;
max_mode = MaximizeRestore;
//Client to workspace connections require that each
//client constructed be connected to the workspace wrapper
#ifdef KWIN_BUILD_TABBOX
// TabBoxClient
m_tabBoxClient = QSharedPointer<TabBox::TabBoxClientImpl>(new TabBox::TabBoxClientImpl(this));
#endif
geom = QRect(0, 0, 100, 100); // So that decorations don't start with size being (0,0)
client_size = QSize(100, 100);
ready_for_painting = false; // wait for first damage or sync reply
connect(this, SIGNAL(geometryShapeChanged(KWin::Toplevel*,QRect)), SIGNAL(geometryChanged()));
connect(this, SIGNAL(clientMaximizedStateChanged(KWin::Client*,KDecorationDefines::MaximizeMode)), SIGNAL(geometryChanged()));
connect(this, SIGNAL(clientStepUserMovedResized(KWin::Client*,QRect)), SIGNAL(geometryChanged()));
connect(this, SIGNAL(clientStartUserMovedResized(KWin::Client*)), SIGNAL(moveResizedChanged()));
connect(this, SIGNAL(clientFinishUserMovedResized(KWin::Client*)), SIGNAL(moveResizedChanged()));
connect(this, SIGNAL(clientStartUserMovedResized(KWin::Client*)), SLOT(removeCheckScreenConnection()));
connect(this, SIGNAL(clientFinishUserMovedResized(KWin::Client*)), SLOT(setupCheckScreenConnection()));
connect(clientMachine(), SIGNAL(localhostChanged()), SLOT(updateCaption()));
connect(options, SIGNAL(condensedTitleChanged()), SLOT(updateCaption()));
m_connections << connect(VirtualDesktopManager::self(), &VirtualDesktopManager::countChanged, [this]() {
if (decoration) {
decoration->onAllDesktopsAvailableChanged();
}
});
// SELI TODO: Initialize xsizehints??
}
/**
* "Dumb" destructor.
*/
Client::~Client()
{
if (m_killHelperPID && !::kill(m_killHelperPID, 0)) { // means the process is alive
::kill(m_killHelperPID, SIGTERM);
m_killHelperPID = 0;
}
//SWrapper::Client::clientRelease(this);
if (syncRequest.alarm != XCB_NONE)
xcb_sync_destroy_alarm(connection(), syncRequest.alarm);
assert(!moveResizeMode);
assert(m_client == XCB_WINDOW_NONE);
assert(m_wrapper == XCB_WINDOW_NONE);
//assert( frameId() == None );
assert(decoration == NULL);
assert(block_geometry_updates == 0);
assert(!check_active_modal);
delete bridge;
for (auto it = m_connections.constBegin(); it != m_connections.constEnd(); ++it) {
disconnect(*it);
}
}
// Use destroyClient() or releaseWindow(), Client instances cannot be deleted directly
void Client::deleteClient(Client* c)
{
delete c;
}
/**
* Releases the window. The client has done its job and the window is still existing.
*/
void Client::releaseWindow(bool on_shutdown)
{
assert(!deleting);
deleting = true;
Deleted* del = NULL;
if (!on_shutdown) {
del = Deleted::create(this);
}
if (moveResizeMode)
emit clientFinishUserMovedResized(this);
emit windowClosed(this, del);
finishCompositing();
RuleBook::self()->discardUsed(this, true); // Remove ForceTemporarily rules
StackingUpdatesBlocker blocker(workspace());
if (moveResizeMode)
leaveMoveResize();
finishWindowRules();
++block_geometry_updates;
if (isOnCurrentDesktop() && isShown(true))
addWorkspaceRepaint(visibleRect());
// Grab X during the release to make removing of properties, setting to withdrawn state
// and repareting to root an atomic operation (http://lists.kde.org/?l=kde-devel&m=116448102901184&w=2)
grabXServer();
exportMappingState(WithdrawnState);
setModal(false); // Otherwise its mainwindow wouldn't get focus
hidden = true; // So that it's not considered visible anymore (can't use hideClient(), it would set flags)
if (!on_shutdown)
workspace()->clientHidden(this);
m_frame.unmap(); // Destroying decoration would cause ugly visual effect
destroyDecoration();
cleanGrouping();
if (!on_shutdown) {
workspace()->removeClient(this);
// Only when the window is being unmapped, not when closing down KWin (NETWM sections 5.5,5.7)
info->setDesktop(0);
desk = 0;
info->setState(0, info->state()); // Reset all state flags
} else
untab();
xcb_connection_t *c = connection();
m_client.deleteProperty(atoms->kde_net_wm_user_creation_time);
m_client.deleteProperty(atoms->net_frame_extents);
m_client.deleteProperty(atoms->kde_net_wm_frame_strut);
m_client.reparent(rootWindow(), x(), y());
xcb_change_save_set(c, XCB_SET_MODE_DELETE, m_client);
m_client.selectInput(XCB_EVENT_MASK_NO_EVENT);
if (on_shutdown)
// Map the window, so it can be found after another WM is started
m_client.map();
// TODO: Preserve minimized, shaded etc. state?
else // Make sure it's not mapped if the app unmapped it (#65279). The app
// may do map+unmap before we initially map the window by calling rawShow() from manage().
m_client.unmap();
m_client.reset();
m_wrapper.reset();
m_frame.reset();
//frame = None;
--block_geometry_updates; // Don't use GeometryUpdatesBlocker, it would now set the geometry
if (!on_shutdown) {
disownDataPassedToDeleted();
del->unrefWindow();
}
checkNonExistentClients();
deleteClient(this);
ungrabXServer();
}
/**
* Like releaseWindow(), but this one is called when the window has been already destroyed
* (E.g. The application closed it)
*/
void Client::destroyClient()
{
assert(!deleting);
deleting = true;
Deleted* del = Deleted::create(this);
if (moveResizeMode)
emit clientFinishUserMovedResized(this);
emit windowClosed(this, del);
finishCompositing();
RuleBook::self()->discardUsed(this, true); // Remove ForceTemporarily rules
StackingUpdatesBlocker blocker(workspace());
if (moveResizeMode)
leaveMoveResize();
finishWindowRules();
++block_geometry_updates;
if (isOnCurrentDesktop() && isShown(true))
addWorkspaceRepaint(visibleRect());
setModal(false);
hidden = true; // So that it's not considered visible anymore
workspace()->clientHidden(this);
destroyDecoration();
cleanGrouping();
workspace()->removeClient(this);
m_client.reset(); // invalidate
m_wrapper.reset();
m_frame.reset();
//frame = None;
--block_geometry_updates; // Don't use GeometryUpdatesBlocker, it would now set the geometry
disownDataPassedToDeleted();
del->unrefWindow();
checkNonExistentClients();
deleteClient(this);
}
void Client::updateInputWindow()
{
if (!Xcb::Extensions::self()->isShapeInputAvailable())
return;
QRegion region;
if (!noBorder()) {
// This function is implemented as a slot to avoid breaking binary
// compatibility
QMetaObject::invokeMethod(decoration, "region", Qt::DirectConnection,
Q_RETURN_ARG(QRegion, region),
Q_ARG(KDecorationDefines::Region, KDecorationDefines::ExtendedBorderRegion));
}
if (region.isEmpty()) {
m_decoInputExtent.reset();
return;
}
QRect bounds = region.boundingRect();
input_offset = bounds.topLeft();
// Move the bounding rect to screen coordinates
bounds.translate(geometry().topLeft());
// Move the region to input window coordinates
region.translate(-input_offset);
if (!m_decoInputExtent.isValid()) {
const uint32_t mask = XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK;
const uint32_t values[] = {true,
XCB_EVENT_MASK_ENTER_WINDOW |
XCB_EVENT_MASK_LEAVE_WINDOW |
XCB_EVENT_MASK_BUTTON_PRESS |
XCB_EVENT_MASK_BUTTON_RELEASE |
XCB_EVENT_MASK_POINTER_MOTION
};
m_decoInputExtent.create(bounds, XCB_WINDOW_CLASS_INPUT_ONLY, mask, values);
if (mapping_state == Mapped)
m_decoInputExtent.map();
} else {
m_decoInputExtent.setGeometry(bounds);
}
const QVector<xcb_rectangle_t> rects = Xcb::regionToRects(region);
xcb_shape_rectangles(connection(), XCB_SHAPE_SO_SET, XCB_SHAPE_SK_INPUT, XCB_CLIP_ORDERING_UNSORTED,
m_decoInputExtent, 0, 0, rects.count(), rects.constData());
}
void Client::updateDecoration(bool check_workspace_pos, bool force)
{
if (!force &&
((decoration == NULL && noBorder()) || (decoration != NULL && !noBorder())))
return;
QRect oldgeom = geometry();
blockGeometryUpdates(true);
if (force)
destroyDecoration();
if (!noBorder()) {
createDecoration(oldgeom);
} else
destroyDecoration();
if (check_workspace_pos)
checkWorkspacePosition(oldgeom);
updateInputWindow();
blockGeometryUpdates(false);
if (!noBorder())
decoration->show();
updateFrameExtents();
}
void Client::createDecoration(const QRect& oldgeom)
{
setMask(QRegion()); // Reset shape mask
if (decorationPlugin()->isDisabled()) {
decoration = NULL;
return;
} else {
decoration = decorationPlugin()->createDecoration(bridge);
}
connect(this, &Client::iconChanged, decoration, &KDecoration::iconChanged);
connect(this, &Client::shadeChanged, decoration, &KDecoration::shadeChanged);
connect(this, &Client::desktopChanged, decoration, &KDecoration::desktopChanged);
connect(this, &Client::captionChanged, decoration, &KDecoration::captionChanged);
connect(this, &Client::activeChanged, decoration, &KDecoration::activeChanged);
connect(this, static_cast<void (Client::*)(Client*, KDecorationDefines::MaximizeMode)>(&Client::clientMaximizedStateChanged),
decoration, &KDecoration::maximizeChanged);
connect(this, SIGNAL(keepAboveChanged(bool)), decoration, SIGNAL(keepAboveChanged(bool)));
connect(this, SIGNAL(keepBelowChanged(bool)), decoration, SIGNAL(keepBelowChanged(bool)));
#ifdef KWIN_BUILD_KAPPMENU
connect(this, SIGNAL(showRequest()), decoration, SIGNAL(showRequest()));
connect(this, SIGNAL(appMenuAvailable()), decoration, SIGNAL(appMenuAvailable()));
connect(this, SIGNAL(appMenuUnavailable()), decoration, SIGNAL(appMenuUnavailable()));
connect(this, SIGNAL(menuHidden()), decoration, SIGNAL(menuHidden()));
#endif
// TODO: Check decoration's minimum size?
decoration->init();
if (decoration->widget()) {
decoration->widget()->installEventFilter(this);
}
xcb_reparent_window(connection(), decoration->window()->winId(), frameId(), 0, 0);
decoration->window()->lower();
decoration->borders(border_left, border_right, border_top, border_bottom);
padding_left = padding_right = padding_top = padding_bottom = 0;
decoration->padding(padding_left, padding_right, padding_top, padding_bottom);
Xcb::moveWindow(decoration->window()->winId(), -padding_left, -padding_top);
move(calculateGravitation(false));
plainResize(sizeForClientSize(clientSize()), ForceGeometrySet);
if (Compositor::compositing()) {
paintRedirector = PaintRedirector::create(this, decoration);
discardWindowPixmap();
}
emit geometryShapeChanged(this, oldgeom);
}
void Client::destroyDecoration()
{
QRect oldgeom = geometry();
if (decoration != NULL) {
delete decoration;
decoration = NULL;
paintRedirector = NULL;
QPoint grav = calculateGravitation(true);
border_left = border_right = border_top = border_bottom = 0;
setMask(QRegion()); // Reset shape mask
plainResize(sizeForClientSize(clientSize()), ForceGeometrySet);
move(grav);
if (compositing())
discardWindowPixmap();
if (!deleting) {
emit geometryShapeChanged(this, oldgeom);
}
}
m_decoInputExtent.reset();
}
bool Client::checkBorderSizes(bool also_resize)
{
if (decoration == NULL)
return false;
int new_left = 0, new_right = 0, new_top = 0, new_bottom = 0;
decoration->padding(new_left, new_right, new_top, new_bottom);
if (padding_left != new_left || padding_top != new_top)
Xcb::moveWindow(decoration->window()->winId(), -new_left, -new_top);
padding_left = new_left;
padding_right = new_right;
padding_top = new_top;
padding_bottom = new_bottom;
decoration->borders(new_left, new_right, new_top, new_bottom);
if (new_left == border_left && new_right == border_right &&
new_top == border_top && new_bottom == border_bottom)
return false;
if (!also_resize) {
border_left = new_left;
border_right = new_right;
border_top = new_top;
border_bottom = new_bottom;
return true;
}
GeometryUpdatesBlocker blocker(this);
move(calculateGravitation(true));
border_left = new_left;
border_right = new_right;
border_top = new_top;
border_bottom = new_bottom;
move(calculateGravitation(false));
QRect oldgeom = geometry();
plainResize(sizeForClientSize(clientSize()), ForceGeometrySet);
checkWorkspacePosition(oldgeom);
return true;
}
void Client::triggerDecorationRepaint()
{
if (decoration && decoration->widget())
decoration->widget()->update();
}
void Client::layoutDecorationRects(QRect &left, QRect &top, QRect &right, QRect &bottom, Client::CoordinateMode mode) const
{
QRect r = decoration->rect();
if (mode == WindowRelative)
r.translate(-padding_left, -padding_top);
NETStrut strut = info->frameOverlap();
// Ignore the overlap strut when compositing is disabled
if (!compositing() || !decorationPlugin()->supportsFrameOverlap())
strut.left = strut.top = strut.right = strut.bottom = 0;
else if (strut.left == -1 && strut.top == -1 && strut.right == -1 && strut.bottom == -1) {
top = QRect(r.x(), r.y(), r.width(), r.height() / 3);
left = QRect(r.x(), r.y() + top.height(), width() / 2, r.height() / 3);
right = QRect(r.x() + left.width(), r.y() + top.height(), r.width() - left.width(), left.height());
bottom = QRect(r.x(), r.y() + top.height() + left.height(), r.width(), r.height() - left.height() - top.height());
return;
}
top = QRect(r.x(), r.y(), r.width(), padding_top + border_top + strut.top);
bottom = QRect(r.x(), r.y() + r.height() - padding_bottom - border_bottom - strut.bottom,
r.width(), padding_bottom + border_bottom + strut.bottom);
left = QRect(r.x(), r.y() + top.height(),
padding_left + border_left + strut.left, r.height() - top.height() - bottom.height());
right = QRect(r.x() + r.width() - padding_right - border_right - strut.right, r.y() + top.height(),
padding_right + border_right + strut.right, r.height() - top.height() - bottom.height());
}
QRegion Client::decorationPendingRegion() const
{
if (!paintRedirector)
return QRegion();
return paintRedirector->scheduledRepaintRegion().translated(x() - padding_left, y() - padding_top);
}
QRect Client::transparentRect() const
{
if (isShade())
return QRect();
NETStrut strut = info->frameOverlap();
// Ignore the strut when compositing is disabled or the decoration doesn't support it
if (!compositing() || !decorationPlugin()->supportsFrameOverlap())
strut.left = strut.top = strut.right = strut.bottom = 0;
else if (strut.left == -1 && strut.top == -1 && strut.right == -1 && strut.bottom == -1)
return QRect();
const QRect r = QRect(clientPos(), clientSize())
.adjusted(strut.left, strut.top, -strut.right, -strut.bottom);
if (r.isValid())
return r;
return QRect();
}
void Client::detectNoBorder()
{
if (shape()) {
noborder = true;
app_noborder = true;
return;
}
switch(windowType()) {
case NET::Desktop :
case NET::Dock :
case NET::TopMenu :
case NET::Splash :
case NET::Notification :
noborder = true;
app_noborder = true;
break;
case NET::Unknown :
case NET::Normal :
case NET::Toolbar :
case NET::Menu :
case NET::Dialog :
case NET::Utility :
noborder = false;
break;
default:
abort();
}
// NET::Override is some strange beast without clear definition, usually
// just meaning "noborder", so let's treat it only as such flag, and ignore it as
// a window type otherwise (SUPPORTED_WINDOW_TYPES_MASK doesn't include it)
if (info->windowType(SUPPORTED_MANAGED_WINDOW_TYPES_MASK | NET::OverrideMask) == NET::Override) {
noborder = true;
app_noborder = true;
}
}
void Client::updateFrameExtents()
{
NETStrut strut;
strut.left = border_left;
strut.right = border_right;
strut.top = border_top;
strut.bottom = border_bottom;
info->setFrameExtents(strut);
}
/**
* Resizes the decoration, and makes sure the decoration widget gets resize event
* even if the size hasn't changed. This is needed to make sure the decoration
* re-layouts (e.g. when maximization state changes,
* the decoration may alter some borders, but the actual size
* of the decoration stays the same).
*/
void Client::resizeDecoration(const QSize& s)
{
if (decoration == NULL)
return;
QSize newSize = s + QSize(padding_left + padding_right, padding_top + padding_bottom);
QSize oldSize = decoration->window()->size();
decoration->resize(newSize);
if (oldSize == newSize) {
QResizeEvent e(newSize, oldSize);
QObject *receiver = nullptr;
if (decoration->widget()) {
receiver = decoration->widget();
} else {
receiver = decoration->window();
}
QApplication::sendEvent(receiver, &e);
} else if (paintRedirector) { // oldSize != newSize
paintRedirector->resizePixmaps();
} else {
triggerDecorationRepaint();
}
Xcb::moveWindow(decoration->window()->winId(), -padding_left, -padding_top);
updateInputWindow();
}
bool Client::noBorder() const
{
return decorationPlugin()->isDisabled() || noborder || isFullScreen();
}
bool Client::userCanSetNoBorder() const
{
return !isFullScreen() && !isShade() && !tabGroup();
}
void Client::setNoBorder(bool set)
{
if (!userCanSetNoBorder())
return;
set = rules()->checkNoBorder(set);
if (noborder == set)
return;
noborder = set;
updateDecoration(true, false);
updateWindowRules(Rules::NoBorder);
}
void Client::checkNoBorder()
{
setNoBorder(app_noborder);
}
void Client::updateShape()
{
if (shape()) {
// Workaround for #19644 - Shaped windows shouldn't have decoration
if (!app_noborder) {
// Only when shape is detected for the first time, still let the user to override
app_noborder = true;
noborder = rules()->checkNoBorder(true);
updateDecoration(true);
}
if (noBorder()) {
xcb_shape_combine(connection(), XCB_SHAPE_SO_SET, XCB_SHAPE_SK_BOUNDING, XCB_SHAPE_SK_BOUNDING,
frameId(), clientPos().x(), clientPos().y(), window());
}
} else if (app_noborder) {
xcb_shape_mask(connection(), XCB_SHAPE_SO_SET, XCB_SHAPE_SK_BOUNDING, frameId(), 0, 0, XCB_PIXMAP_NONE);
detectNoBorder();
app_noborder = noborder;
noborder = rules()->checkNoBorder(noborder || motif_noborder);
updateDecoration(true);
}
// Decoration mask (i.e. 'else' here) setting is done in setMask()
// when the decoration calls it or when the decoration is created/destroyed
updateInputShape();
if (compositing()) {
addRepaintFull();
addWorkspaceRepaint(visibleRect()); // In case shape change removes part of this window
}
emit geometryShapeChanged(this, geometry());
}
static Xcb::Window shape_helper_window(XCB_WINDOW_NONE);
void Client::updateInputShape()
{
if (hiddenPreview()) // Sets it to none, don't change
return;
if (Xcb::Extensions::self()->isShapeInputAvailable()) {
// There appears to be no way to find out if a window has input
// shape set or not, so always propagate the input shape
// (it's the same like the bounding shape by default).
// Also, build the shape using a helper window, not directly
// in the frame window, because the sequence set-shape-to-frame,
// remove-shape-of-client, add-input-shape-of-client has the problem
// that after the second step there's a hole in the input shape
// until the real shape of the client is added and that can make
// the window lose focus (which is a problem with mouse focus policies)
// TODO: It seems there is, after all - XShapeGetRectangles() - but maybe this is better
if (!shape_helper_window.isValid())
shape_helper_window.create(QRect(0, 0, 1, 1));
shape_helper_window.resize(width(), height());
xcb_connection_t *c = connection();
xcb_shape_combine(c, XCB_SHAPE_SO_SET, XCB_SHAPE_SK_INPUT, XCB_SHAPE_SK_BOUNDING,
shape_helper_window, 0, 0, frameId());
xcb_shape_combine(c, XCB_SHAPE_SO_SUBTRACT, XCB_SHAPE_SK_INPUT, XCB_SHAPE_SK_BOUNDING,
shape_helper_window, clientPos().x(), clientPos().y(), window());
xcb_shape_combine(c, XCB_SHAPE_SO_UNION, XCB_SHAPE_SK_INPUT, XCB_SHAPE_SK_INPUT,
shape_helper_window, clientPos().x(), clientPos().y(), window());
xcb_shape_combine(c, XCB_SHAPE_SO_SET, XCB_SHAPE_SK_INPUT, XCB_SHAPE_SK_INPUT,
frameId(), 0, 0, shape_helper_window);
}
}
void Client::setMask(const QRegion& reg, int mode)
{
QRegion r = reg.translated(-padding_left, -padding_right) & QRect(0, 0, width(), height());
if (_mask == r)
return;
_mask = r;
xcb_connection_t *c = connection();
xcb_window_t shape_window = frameId();
if (shape()) {
// The same way of applying a shape without strange intermediate states like above
if (!shape_helper_window.isValid())
shape_helper_window.create(QRect(0, 0, 1, 1));
shape_window = shape_helper_window;
}
if (_mask.isEmpty()) {
xcb_shape_mask(c, XCB_SHAPE_SO_SET, XCB_SHAPE_SK_BOUNDING, shape_window, 0, 0, XCB_PIXMAP_NONE);
} else {
const QVector< QRect > rects = _mask.rects();
QVector< xcb_rectangle_t > xrects(rects.count());
for (int i = 0; i < rects.count(); ++i) {
const QRect &rect = rects.at(i);
xcb_rectangle_t xrect;
xrect.x = rect.x();
xrect.y = rect.y();
xrect.width = rect.width();
xrect.height = rect.height();
xrects[i] = xrect;
}
xcb_shape_rectangles(c, XCB_SHAPE_SO_SET, XCB_SHAPE_SK_BOUNDING, mode, shape_window,
0, 0, xrects.count(), xrects.constData());
}
if (shape()) {
// The rest of the applying using a temporary window
xcb_rectangle_t rec = { 0, 0, static_cast<uint16_t>(clientSize().width()),
static_cast<uint16_t>(clientSize().height()) };
xcb_shape_rectangles(c, XCB_SHAPE_SO_SUBTRACT, XCB_SHAPE_SK_BOUNDING, XCB_CLIP_ORDERING_UNSORTED,
shape_helper_window, clientPos().x(), clientPos().y(), 1, &rec);
xcb_shape_combine(c, XCB_SHAPE_SO_UNION, XCB_SHAPE_SK_BOUNDING, XCB_SHAPE_SK_BOUNDING,
shape_helper_window, clientPos().x(), clientPos().y(), window());
xcb_shape_combine(c, XCB_SHAPE_SO_SET, XCB_SHAPE_SK_BOUNDING, XCB_SHAPE_SK_BOUNDING,
frameId(), 0, 0, shape_helper_window);
}
emit geometryShapeChanged(this, geometry());
updateShape();
}
QRegion Client::mask() const
{
if (_mask.isEmpty())
return QRegion(0, 0, width(), height());
return _mask;
}
void Client::hideClient(bool hide)
{
if (hidden == hide)
return;
hidden = hide;
updateVisibility();
}
/**
* Returns whether the window is minimizable or not
*/
bool Client::isMinimizable() const
{
if (isSpecialWindow() && !isTransient())
return false;
if (!rules()->checkMinimize(true))
return false;
if (isTransient()) {
// #66868 - Let other xmms windows be minimized when the mainwindow is minimized
bool shown_mainwindow = false;
ClientList mainclients = mainClients();
for (ClientList::ConstIterator it = mainclients.constBegin();
it != mainclients.constEnd();
++it)
if ((*it)->isShown(true))
shown_mainwindow = true;
if (!shown_mainwindow)
return true;
}
#if 0
// This is here because kicker's taskbar doesn't provide separate entries
// for windows with an explicitly given parent
// TODO: perhaps this should be redone
// Disabled for now, since at least modal dialogs should be minimizable
// (resulting in the mainwindow being minimized too).
if (transientFor() != NULL)
return false;
#endif
if (!wantsTabFocus()) // SELI, TODO: - NET::Utility? why wantsTabFocus() - skiptaskbar? ?
return false;
return true;
}
void Client::setMinimized(bool set)
{
set ? minimize() : unminimize();
}
/**
* Minimizes this client plus its transients
*/
void Client::minimize(bool avoid_animation)
{
if (!isMinimizable() || isMinimized())
return;
if (isShade()) // NETWM restriction - KWindowInfo::isMinimized() == Hidden && !Shaded
info->setState(0, NET::Shaded);
minimized = true;
updateVisibility();
updateAllowedActions();
workspace()->updateMinimizedOfTransients(this);
updateWindowRules(Rules::Minimize);
FocusChain::self()->update(this, FocusChain::MakeFirstMinimized);
// TODO: merge signal with s_minimized
emit clientMinimized(this, !avoid_animation);
// Update states of all other windows in this group
if (tabGroup())
tabGroup()->updateStates(this, TabGroup::Minimized);
emit minimizedChanged();
}
void Client::unminimize(bool avoid_animation)
{
if (!isMinimized())
return;
if (rules()->checkMinimize(false)) {
return;
}
if (isShade()) // NETWM restriction - KWindowInfo::isMinimized() == Hidden && !Shaded
info->setState(NET::Shaded, NET::Shaded);
minimized = false;
updateVisibility();
updateAllowedActions();
workspace()->updateMinimizedOfTransients(this);
updateWindowRules(Rules::Minimize);
emit clientUnminimized(this, !avoid_animation);
// Update states of all other windows in this group
if (tabGroup())
tabGroup()->updateStates(this, TabGroup::Minimized);
emit minimizedChanged();
}
QRect Client::iconGeometry() const
{
NETRect r = info->iconGeometry();
QRect geom(r.pos.x, r.pos.y, r.size.width, r.size.height);
if (geom.isValid())
return geom;
else {
// Check all mainwindows of this window (recursively)
foreach (Client * mainwin, mainClients()) {
geom = mainwin->iconGeometry();
if (geom.isValid())
return geom;
}
// No mainwindow (or their parents) with icon geometry was found
return QRect();
}
}
bool Client::isShadeable() const
{
return !isSpecialWindow() && !noBorder() && (rules()->checkShade(ShadeNormal) != rules()->checkShade(ShadeNone));
}
void Client::setShade(bool set) {
set ? setShade(ShadeNormal) : setShade(ShadeNone);
}
void Client::setShade(ShadeMode mode)
{
if (mode == ShadeHover && isMove())
return; // causes geometry breaks and is probably nasty
if (isSpecialWindow() || noBorder())
mode = ShadeNone;
mode = rules()->checkShade(mode);
if (shade_mode == mode)
return;
bool was_shade = isShade();
ShadeMode was_shade_mode = shade_mode;
shade_mode = mode;
// Decorations may turn off some borders when shaded
// this has to happen _before_ the tab alignment since it will restrict the minimum geometry
if (decoration)
decoration->borders(border_left, border_right, border_top, border_bottom);
// Update states of all other windows in this group
if (tabGroup())
tabGroup()->updateStates(this, TabGroup::Shaded);
if (was_shade == isShade()) {
// Decoration may want to update after e.g. hover-shade changes
emit shadeChanged();
return; // No real change in shaded state
}
assert(decoration != NULL); // noborder windows can't be shaded
GeometryUpdatesBlocker blocker(this);
// TODO: All this unmapping, resizing etc. feels too much duplicated from elsewhere
if (isShade()) {
// shade_mode == ShadeNormal
addWorkspaceRepaint(visibleRect());
// Shade
shade_geometry_change = true;
QSize s(sizeForClientSize(QSize(clientSize())));
s.setHeight(border_top + border_bottom);
m_wrapper.selectInput(ClientWinMask); // Avoid getting UnmapNotify
m_wrapper.unmap();
m_client.unmap();
m_wrapper.selectInput(ClientWinMask | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY);
exportMappingState(IconicState);
plainResize(s);
shade_geometry_change = false;
if (was_shade_mode == ShadeHover) {
if (shade_below && workspace()->stackingOrder().indexOf(shade_below) > -1)
workspace()->restack(this, shade_below);
if (isActive())
workspace()->activateNextClient(this);
} else if (isActive()) {
workspace()->focusToNull();
}
} else {
shade_geometry_change = true;
QSize s(sizeForClientSize(clientSize()));
shade_geometry_change = false;
plainResize(s);
if ((shade_mode == ShadeHover || shade_mode == ShadeActivated) && rules()->checkAcceptFocus(input))
setActive(true);
if (shade_mode == ShadeHover) {
ToplevelList order = workspace()->stackingOrder();
// invalidate, since "this" could be the topmost toplevel and shade_below dangeling
shade_below = NULL;
// this is likely related to the index parameter?!
for (int idx = order.indexOf(this) + 1; idx < order.count(); ++idx) {
shade_below = qobject_cast<Client*>(order.at(idx));
if (shade_below) {
break;
}
}
if (shade_below && shade_below->isNormalWindow())
workspace()->raiseClient(this);
else
shade_below = NULL;
}
m_wrapper.map();
m_client.map();
exportMappingState(NormalState);
if (isActive())
workspace()->requestFocus(this);
}
info->setState(isShade() ? NET::Shaded : NET::States(0), NET::Shaded);
info->setState(isShown(false) ? NET::States(0) : NET::Hidden, NET::Hidden);
discardWindowPixmap();
updateVisibility();
updateAllowedActions();
updateWindowRules(Rules::Shade);
emit shadeChanged();
}
void Client::shadeHover()
{
setShade(ShadeHover);
cancelShadeHoverTimer();
}
void Client::shadeUnhover()
{
if (!tabGroup() || tabGroup()->current() == this ||
tabGroup()->current()->shadeMode() == ShadeNormal)
setShade(ShadeNormal);
cancelShadeHoverTimer();
}
void Client::cancelShadeHoverTimer()
{
delete shadeHoverTimer;
shadeHoverTimer = 0;
}
void Client::toggleShade()
{
// If the mode is ShadeHover or ShadeActive, cancel shade too
setShade(shade_mode == ShadeNone ? ShadeNormal : ShadeNone);
}
void Client::updateVisibility()
{
if (deleting)
return;
if (hidden && isCurrentTab()) {
info->setState(NET::Hidden, NET::Hidden);
setSkipTaskbar(true, false); // Also hide from taskbar
if (compositing() && options->hiddenPreviews() == HiddenPreviewsAlways)
internalKeep();
else
internalHide();
return;
}
if (isCurrentTab())
setSkipTaskbar(original_skip_taskbar, false); // Reset from 'hidden'
if (minimized) {
info->setState(NET::Hidden, NET::Hidden);
if (compositing() && options->hiddenPreviews() == HiddenPreviewsAlways)
internalKeep();
else
internalHide();
return;
}
info->setState(0, NET::Hidden);
if (!isOnCurrentDesktop()) {
if (compositing() && options->hiddenPreviews() != HiddenPreviewsNever)
internalKeep();
else
internalHide();
return;
}
if (!isOnCurrentActivity()) {
if (compositing() && options->hiddenPreviews() != HiddenPreviewsNever)
internalKeep();
else
internalHide();
return;
}
if (isManaged())
resetShowingDesktop(true);
internalShow();
}
void Client::resetShowingDesktop(bool keep_hidden)
{
if (isDock() || !workspace()->showingDesktop())
return;
bool belongs_to_desktop = false;
for (ClientList::ConstIterator it = group()->members().constBegin(),
end = group()->members().constEnd(); it != end; ++it)
if ((belongs_to_desktop = (*it)->isDesktop()))
break;
if (!belongs_to_desktop)
workspace()->resetShowingDesktop(keep_hidden);
}
/**
* Sets the client window's mapping state. Possible values are
* WithdrawnState, IconicState, NormalState.
*/
void Client::exportMappingState(int s)
{
assert(m_client != XCB_WINDOW_NONE);
assert(!deleting || s == WithdrawnState);
if (s == WithdrawnState) {
m_client.deleteProperty(atoms->wm_state);
return;
}
assert(s == NormalState || s == IconicState);
int32_t data[2];
data[0] = s;
data[1] = XCB_NONE;
m_client.changeProperty(atoms->wm_state, atoms->wm_state, 32, 2, data);
}
void Client::internalShow()
{
if (mapping_state == Mapped)
return;
MappingState old = mapping_state;
mapping_state = Mapped;
if (old == Unmapped || old == Withdrawn)
map();
if (old == Kept) {
m_decoInputExtent.map();
updateHiddenPreview();
}
if (Compositor::isCreated()) {
Compositor::self()->checkUnredirect();
}
}
void Client::internalHide()
{
if (mapping_state == Unmapped)
return;
MappingState old = mapping_state;
mapping_state = Unmapped;
if (old == Mapped || old == Kept)
unmap();
if (old == Kept)
updateHiddenPreview();
addWorkspaceRepaint(visibleRect());
workspace()->clientHidden(this);
if (Compositor::isCreated()) {
Compositor::self()->checkUnredirect();
}
}
void Client::internalKeep()
{
assert(compositing());
if (mapping_state == Kept)
return;
MappingState old = mapping_state;
mapping_state = Kept;
if (old == Unmapped || old == Withdrawn)
map();
m_decoInputExtent.unmap();
if (isActive())
workspace()->focusToNull(); // get rid of input focus, bug #317484
updateHiddenPreview();
addWorkspaceRepaint(visibleRect());
workspace()->clientHidden(this);
if (Compositor::isCreated()) {
Compositor::self()->checkUnredirect();
}
}
/**
* Maps (shows) the client. Note that it is mapping state of the frame,
* not necessarily the client window itself (i.e. a shaded window is here
* considered mapped, even though it is in IconicState).
*/
void Client::map()
{
// XComposite invalidates backing pixmaps on unmap (minimize, different
// virtual desktop, etc.). We kept the last known good pixmap around
// for use in effects, but now we want to have access to the new pixmap
if (compositing())
discardWindowPixmap();
if (decoration != NULL)
decoration->show(); // Not really necessary, but let it know the state
m_frame.map();
if (!isShade()) {
m_wrapper.map();
m_client.map();
m_decoInputExtent.map();
exportMappingState(NormalState);
} else
exportMappingState(IconicState);
}
/**
* Unmaps the client. Again, this is about the frame.
*/
void Client::unmap()
{
// Here it may look like a race condition, as some other client might try to unmap
// the window between these two XSelectInput() calls. However, they're supposed to
// use XWithdrawWindow(), which also sends a synthetic event to the root window,
// which won't be missed, so this shouldn't be a problem. The chance the real UnmapNotify
// will be missed is also very minimal, so I don't think it's needed to grab the server
// here.
m_wrapper.selectInput(ClientWinMask); // Avoid getting UnmapNotify
m_frame.unmap();
m_wrapper.unmap();
m_client.unmap();
m_decoInputExtent.unmap();
m_wrapper.selectInput(ClientWinMask | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY);
if (decoration != NULL)
decoration->hide(); // Not really necessary, but let it know the state
exportMappingState(IconicState);
}
/**
* XComposite doesn't keep window pixmaps of unmapped windows, which means
* there wouldn't be any previews of windows that are minimized or on another
* virtual desktop. Therefore rawHide() actually keeps such windows mapped.
* However special care needs to be taken so that such windows don't interfere.
* Therefore they're put very low in the stacking order and they have input shape
* set to none, which hopefully is enough. If there's no input shape available,
* then it's hoped that there will be some other desktop above it *shrug*.
* Using normal shape would be better, but that'd affect other things, e.g. painting
* of the actual preview.
*/
void Client::updateHiddenPreview()
{
if (hiddenPreview()) {
workspace()->forceRestacking();
if (Xcb::Extensions::self()->isShapeInputAvailable()) {
xcb_shape_rectangles(connection(), XCB_SHAPE_SO_SET, XCB_SHAPE_SK_INPUT,
XCB_CLIP_ORDERING_UNSORTED, frameId(), 0, 0, 0, NULL);
}
} else {
workspace()->forceRestacking();
updateInputShape();
}
}
void Client::sendClientMessage(xcb_window_t w, xcb_atom_t a, xcb_atom_t protocol, long data1, long data2, long data3)
{
xcb_client_message_event_t ev;
memset(&ev, 0, sizeof(ev));
ev.response_type = XCB_CLIENT_MESSAGE;
ev.window = w;
ev.type = a;
ev.format = 32;
ev.data.data32[0] = protocol;
ev.data.data32[1] = xTime();
ev.data.data32[2] = data1;
ev.data.data32[3] = data2;
ev.data.data32[4] = data3;
uint32_t eventMask = 0;
if (w == rootWindow()) {
eventMask = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT; // Magic!
}
xcb_send_event(connection(), false, w, eventMask, reinterpret_cast<const char*>(&ev));
xcb_flush(connection());
}
/**
* Returns whether the window may be closed (have a close button)
*/
bool Client::isCloseable() const
{
return rules()->checkCloseable(motif_may_close && !isSpecialWindow());
}
/**
* Closes the window by either sending a delete_window message or using XKill.
*/
void Client::closeWindow()
{
if (!isCloseable())
return;
// Update user time, because the window may create a confirming dialog.
updateUserTime();
if (Pdeletewindow) {
sendClientMessage(window(), atoms->wm_protocols, atoms->wm_delete_window);
pingWindow();
} else // Client will not react on wm_delete_window. We have not choice
// but destroy his connection to the XServer.
killWindow();
}
/**
* Kills the window via XKill
*/
void Client::killWindow()
{
qDebug() << "Client::killWindow():" << caption();
killProcess(false);
m_client.kill(); // Always kill this client at the server
destroyClient();
}
/**
* Send a ping to the window using _NET_WM_PING if possible if it
* doesn't respond within a reasonable time, it will be killed.
*/
void Client::pingWindow()
{
if (!Pping)
return; // Can't ping :(
if (options->killPingTimeout() == 0)
return; // Turned off
if (ping_timer != NULL)
return; // Pinging already
ping_timer = new QTimer(this);
connect(ping_timer, SIGNAL(timeout()), SLOT(pingTimeout()));
ping_timer->setSingleShot(true);
ping_timer->start(options->killPingTimeout());
m_pingTimestamp = xTime();
workspace()->sendPingToWindow(window(), m_pingTimestamp);
}
void Client::gotPing(xcb_timestamp_t timestamp)
{
// Just plain compare is not good enough because of 64bit and truncating and whatnot
if (NET::timestampCompare(timestamp, m_pingTimestamp) != 0)
return;
delete ping_timer;
ping_timer = NULL;
if (m_killHelperPID && !::kill(m_killHelperPID, 0)) { // means the process is alive
::kill(m_killHelperPID, SIGTERM);
m_killHelperPID = 0;
}
}
void Client::pingTimeout()
{
qDebug() << "Ping timeout:" << caption();
ping_timer->deleteLater();
ping_timer = NULL;
killProcess(true, m_pingTimestamp);
}
void Client::killProcess(bool ask, xcb_timestamp_t timestamp)
{
if (m_killHelperPID && !::kill(m_killHelperPID, 0)) // means the process is alive
return;
Q_ASSERT(!ask || timestamp != XCB_TIME_CURRENT_TIME);
pid_t pid = info->pid();
if (pid <= 0 || clientMachine()->hostName().isEmpty()) // Needed properties missing
return;
qDebug() << "Kill process:" << pid << "(" << clientMachine()->hostName() << ")";
if (!ask) {
if (!clientMachine()->isLocal()) {
QStringList lst;
lst << QString::fromUtf8(clientMachine()->hostName()) << QStringLiteral("kill") << QString::number(pid);
QProcess::startDetached(QStringLiteral("xon"), lst);
} else
::kill(pid, SIGTERM);
} else {
QString hostname = clientMachine()->isLocal() ? QStringLiteral("localhost") : QString::fromUtf8(clientMachine()->hostName());
QProcess::startDetached(QStandardPaths::findExecutable(QStringLiteral("kwin_killer_helper")),
QStringList() << QStringLiteral("--pid") << QString::number(unsigned(pid)) << QStringLiteral("--hostname") << hostname
<< QStringLiteral("--windowname") << caption()
<< QStringLiteral("--applicationname") << QString::fromUtf8(resourceClass())
<< QStringLiteral("--wid") << QString::number(window())
<< QStringLiteral("--timestamp") << QString::number(timestamp),
QString(), &m_killHelperPID);
}
}
void Client::setSkipTaskbar(bool b, bool from_outside)
{
int was_wants_tab_focus = wantsTabFocus();
if (from_outside) {
b = rules()->checkSkipTaskbar(b);
original_skip_taskbar = b;
}
if (b == skipTaskbar())
return;
skip_taskbar = b;
info->setState(b ? NET::SkipTaskbar : NET::States(0), NET::SkipTaskbar);
updateWindowRules(Rules::SkipTaskbar);
if (was_wants_tab_focus != wantsTabFocus())
FocusChain::self()->update(this,
isActive() ? FocusChain::MakeFirst : FocusChain::Update);
emit skipTaskbarChanged();
}
void Client::setSkipPager(bool b)
{
b = rules()->checkSkipPager(b);
if (b == skipPager())
return;
skip_pager = b;
info->setState(b ? NET::SkipPager : NET::States(0), NET::SkipPager);
updateWindowRules(Rules::SkipPager);
emit skipPagerChanged();
}
void Client::setSkipSwitcher(bool set)
{
set = rules()->checkSkipSwitcher(set);
if (set == skipSwitcher())
return;
skip_switcher = set;
updateWindowRules(Rules::SkipSwitcher);
emit skipSwitcherChanged();
}
void Client::setModal(bool m)
{
// Qt-3.2 can have even modal normal windows :(
if (modal == m)
return;
modal = m;
emit modalChanged();
// Changing modality for a mapped window is weird (?)
// _NET_WM_STATE_MODAL should possibly rather be _NET_WM_WINDOW_TYPE_MODAL_DIALOG
}
void Client::setDesktop(int desktop)
{
const int numberOfDesktops = VirtualDesktopManager::self()->count();
if (desktop != NET::OnAllDesktops) // Do range check
desktop = qMax(1, qMin(numberOfDesktops, desktop));
desktop = qMin(numberOfDesktops, rules()->checkDesktop(desktop));
if (desk == desktop)
return;
int was_desk = desk;
const bool wasOnCurrentDesktop = isOnCurrentDesktop();
desk = desktop;
info->setDesktop(desktop);
if ((was_desk == NET::OnAllDesktops) != (desktop == NET::OnAllDesktops)) {
// onAllDesktops changed
workspace()->updateOnAllDesktopsOfTransients(this);
}
ClientList transients_stacking_order = workspace()->ensureStackingOrder(transients());
for (ClientList::ConstIterator it = transients_stacking_order.constBegin();
it != transients_stacking_order.constEnd();
++it)
(*it)->setDesktop(desktop);
if (isModal()) // if a modal dialog is moved, move the mainwindow with it as otherwise
// the (just moved) modal dialog will confusingly return to the mainwindow with
// the next desktop change
{
foreach (Client * c2, mainClients())
c2->setDesktop(desktop);
}
FocusChain::self()->update(this, FocusChain::MakeFirst);
updateVisibility();
updateWindowRules(Rules::Desktop);
// Update states of all other windows in this group
if (tabGroup())
tabGroup()->updateStates(this, TabGroup::Desktop);
emit desktopChanged();
if (wasOnCurrentDesktop != isOnCurrentDesktop())
emit desktopPresenceChanged(this, was_desk);
}
/**
* Sets whether the client is on @p activity.
* If you remove it from its last activity, then it's on all activities.
*
* Note: If it was on all activities and you try to remove it from one, nothing will happen;
* I don't think that's an important enough use case to handle here.
*/
void Client::setOnActivity(const QString &activity, bool enable)
{
#ifdef KWIN_BUILD_ACTIVITIES
QStringList newActivitiesList = activities();
if (newActivitiesList.contains(activity) == enable) //nothing to do
return;
if (enable) {
QStringList allActivities = Activities::self()->all();
if (!allActivities.contains(activity)) //bogus ID
return;
newActivitiesList.append(activity);
} else
newActivitiesList.removeOne(activity);
setOnActivities(newActivitiesList);
#else
Q_UNUSED(activity)
Q_UNUSED(enable)
#endif
}
/**
* set exactly which activities this client is on
*/
void Client::setOnActivities(QStringList newActivitiesList)
{
#ifdef KWIN_BUILD_ACTIVITIES
QString joinedActivitiesList = newActivitiesList.join(QStringLiteral(","));
joinedActivitiesList = rules()->checkActivity(joinedActivitiesList, false);
newActivitiesList = joinedActivitiesList.split(QStringLiteral(","), QString::SkipEmptyParts);
QStringList allActivities = Activities::self()->all();
if ( newActivitiesList.isEmpty() ||
(newActivitiesList.count() > 1 && newActivitiesList.count() == allActivities.count()) ||
(newActivitiesList.count() == 1 && newActivitiesList.at(0) == Activities::nullUuid())) {
activityList.clear();
const QByteArray nullUuid = Activities::nullUuid().toUtf8();
m_client.changeProperty(atoms->activities, XCB_ATOM_STRING, 8, nullUuid.length(), nullUuid.constData());
} else {
QByteArray joined = joinedActivitiesList.toAscii();
activityList = newActivitiesList;
m_client.changeProperty(atoms->activities, XCB_ATOM_STRING, 8, joined.length(), joined.constData());
}
updateActivities(false);
#else
Q_UNUSED(newActivitiesList)
#endif
}
void Client::blockActivityUpdates(bool b)
{
if (b) {
++m_activityUpdatesBlocked;
} else {
Q_ASSERT(m_activityUpdatesBlocked);
--m_activityUpdatesBlocked;
if (!m_activityUpdatesBlocked)
updateActivities(m_blockedActivityUpdatesRequireTransients);
}
}
/**
* update after activities changed
*/
void Client::updateActivities(bool includeTransients)
{
if (m_activityUpdatesBlocked) {
m_blockedActivityUpdatesRequireTransients |= includeTransients;
return;
}
emit activitiesChanged(this);
m_blockedActivityUpdatesRequireTransients = false; // reset
FocusChain::self()->update(this, FocusChain::MakeFirst);
updateVisibility();
updateWindowRules(Rules::Activity);
// Update states of all other windows in this group
if (tabGroup())
tabGroup()->updateStates(this, TabGroup::Activity);
}
/**
* Returns the virtual desktop within the workspace() the client window
* is located in, 0 if it isn't located on any special desktop (not mapped yet),
* or NET::OnAllDesktops. Do not use desktop() directly, use
* isOnDesktop() instead.
*/
int Client::desktop() const
{
if (needsSessionInteract) {
return NET::OnAllDesktops;
}
return desk;
}
/**
* Returns the list of activities the client window is on.
* if it's on all activities, the list will be empty.
* Don't use this, use isOnActivity() and friends (from class Toplevel)
*/
QStringList Client::activities() const
{
if (needsSessionInteract) {
return QStringList();
}
return activityList;
}
void Client::setOnAllDesktops(bool b)
{
if ((b && isOnAllDesktops()) ||
(!b && !isOnAllDesktops()))
return;
if (b)
setDesktop(NET::OnAllDesktops);
else
setDesktop(VirtualDesktopManager::self()->current());
// Update states of all other windows in this group
if (tabGroup())
tabGroup()->updateStates(this, TabGroup::Desktop);
}
/**
* if @p on is true, sets on all activities.
* if it's false, sets it to only be on the current activity
*/
void Client::setOnAllActivities(bool on)
{
#ifdef KWIN_BUILD_ACTIVITIES
if (on == isOnAllActivities())
return;
if (on) {
setOnActivities(QStringList());
} else {
setOnActivity(Activities::self()->current(), true);
}
#endif
}
/**
* Performs activation and/or raising of the window
*/
void Client::takeActivity(int flags, bool handled)
{
if (!handled || !Ptakeactivity) {
if (flags & ActivityFocus)
takeFocus();
if (flags & ActivityRaise)
workspace()->raiseClient(this);
return;
}
#ifndef NDEBUG
static Time previous_activity_timestamp;
static Client* previous_client;
//if ( previous_activity_timestamp == xTime() && previous_client != this )
// {
// qDebug() << "Repeated use of the same X timestamp for activity";
// qDebug() << kBacktrace();
// }
previous_activity_timestamp = xTime();
previous_client = this;
#endif
workspace()->sendTakeActivity(this, xTime(), flags);
}
/**
* Performs the actual focusing of the window using XSetInputFocus and WM_TAKE_FOCUS
*/
void Client::takeFocus()
{
#ifndef NDEBUG
static Time previous_focus_timestamp;
static Client* previous_client;
//if ( previous_focus_timestamp == xTime() && previous_client != this )
// {
// qDebug() << "Repeated use of the same X timestamp for focus";
// qDebug() << kBacktrace();
// }
previous_focus_timestamp = xTime();
previous_client = this;
#endif
if (rules()->checkAcceptFocus(input))
m_client.focus();
else
demandAttention(false); // window cannot take input, at least withdraw urgency
if (Ptakefocus)
sendClientMessage(window(), atoms->wm_protocols, atoms->wm_take_focus);
workspace()->setShouldGetFocus(this);
}
/**
* Returns whether the window provides context help or not. If it does,
* you should show a help menu item or a help button like '?' and call
* contextHelp() if this is invoked.
*
* \sa contextHelp()
*/
bool Client::providesContextHelp() const
{
return Pcontexthelp;
}
/**
* Invokes context help on the window. Only works if the window
* actually provides context help.
*
* \sa providesContextHelp()
*/
void Client::showContextHelp()
{
if (Pcontexthelp) {
sendClientMessage(window(), atoms->wm_protocols, atoms->net_wm_context_help);
QWhatsThis::enterWhatsThisMode(); // SELI TODO: ?
}
}
/**
* Fetches the window's caption (WM_NAME property). It will be
* stored in the client's caption().
*/
void Client::fetchName()
{
setCaption(readName());
}
QString Client::readName() const
{
if (info->name() && info->name()[0] != '\0')
return QString::fromUtf8(info->name());
else
return KWindowSystem::readNameProperty(window(), XCB_ATOM_WM_NAME);
}
KWIN_COMPARE_PREDICATE(FetchNameInternalPredicate, Client, const Client*, (!cl->isSpecialWindow() || cl->isToolbar()) && cl != value && cl->caption() == value->caption());
// The list is taken from http://www.unicode.org/reports/tr9/ (#154840)
QChar LRM(0x200E);
QChar RLM(0x200F);
QChar LRE(0x202A);
QChar RLE(0x202B);
QChar LRO(0x202D);
QChar RLO(0x202E);
QChar PDF(0x202C);
void Client::setCaption(const QString& _s, bool force)
{
if (!force && _s == cap_normal)
return;
QString s(_s);
for (int i = 0; i < s.length(); ++i)
if (!s[i].isPrint())
s[i] = QChar(u' ');
cap_normal = s;
if (options->condensedTitle()) {
static QScriptEngine engine;
static QScriptProgram stripTitle;
static QScriptValue script;
if (stripTitle.isNull()) {
const QString scriptFile = QStandardPaths::locate(QStandardPaths::GenericDataLocation, QStringLiteral(KWIN_NAME) + QStringLiteral("/stripTitle.js"));
if (!scriptFile.isEmpty()) {
QFile f(scriptFile);
if (f.open(QIODevice::ReadOnly|QIODevice::Text)) {
f.reset();
stripTitle = QScriptProgram(QString::fromLocal8Bit(f.readAll()), QStringLiteral("stripTitle.js"));
f.close();
}
}
if (stripTitle.isNull())
stripTitle = QScriptProgram(QStringLiteral("(function(title, wm_name, wm_class){ return title ; })"), QStringLiteral("stripTitle.js"));
script = engine.evaluate(stripTitle);
}
QScriptValueList args;
args << _s << QString::fromUtf8(resourceName()) << QString::fromUtf8(resourceClass());
s = script.call(QScriptValue(), args).toString();
}
if (!force && s == cap_deco)
return;
cap_deco = s;
bool reset_name = force;
bool was_suffix = (!cap_suffix.isEmpty());
cap_suffix.clear();
QString machine_suffix;
if (!options->condensedTitle()) { // machine doesn't qualify for "clean"
if (clientMachine()->hostName() != ClientMachine::localhost() && !clientMachine()->isLocal())
machine_suffix = QStringLiteral(" <@") + QString::fromUtf8(clientMachine()->hostName()) + QStringLiteral(">") + LRM;
}
QString shortcut_suffix = !shortcut().isEmpty() ? (QStringLiteral(" {") + shortcut().toString() + QStringLiteral("}")) : QString();
cap_suffix = machine_suffix + shortcut_suffix;
if ((!isSpecialWindow() || isToolbar()) && workspace()->findClient(FetchNameInternalPredicate(this))) {
int i = 2;
do {
cap_suffix = machine_suffix + QStringLiteral(" <") + QString::number(i) + QStringLiteral(">") + LRM;
i++;
} while (workspace()->findClient(FetchNameInternalPredicate(this)));
info->setVisibleName(caption().toUtf8().constData());
reset_name = false;
}
if ((was_suffix && cap_suffix.isEmpty()) || reset_name) {
// If it was new window, it may have old value still set, if the window is reused
info->setVisibleName("");
info->setVisibleIconName("");
} else if (!cap_suffix.isEmpty() && !cap_iconic.isEmpty())
// Keep the same suffix in iconic name if it's set
info->setVisibleIconName(QString(cap_iconic + cap_suffix).toUtf8().constData());
emit captionChanged();
}
void Client::updateCaption()
{
setCaption(cap_normal, true);
}
void Client::fetchIconicName()
{
QString s;
if (info->iconName() && info->iconName()[0] != '\0')
s = QString::fromUtf8(info->iconName());
else
s = KWindowSystem::readNameProperty(window(), XCB_ATOM_WM_ICON_NAME);
if (s != cap_iconic) {
bool was_set = !cap_iconic.isEmpty();
cap_iconic = s;
if (!cap_suffix.isEmpty()) {
if (!cap_iconic.isEmpty()) // Keep the same suffix in iconic name if it's set
info->setVisibleIconName(QString(s + cap_suffix).toUtf8().constData());
else if (was_set)
info->setVisibleIconName("");
}
}
}
/**
* \reimp
*/
QString Client::caption(bool full, bool stripped) const
{
QString cap = stripped ? cap_deco : cap_normal;
if (full)
cap += cap_suffix;
return cap;
}
bool Client::tabTo(Client *other, bool behind, bool activate)
{
Q_ASSERT(other && other != this);
if (tab_group && tab_group == other->tabGroup()) { // special case: move inside group
tab_group->move(this, other, behind);
return true;
}
GeometryUpdatesBlocker blocker(this);
const bool wasBlocking = signalsBlocked();
blockSignals(true); // prevent client emitting "retabbed to nowhere" cause it's about to be entabbed the next moment
untab();
blockSignals(wasBlocking);
TabGroup *newGroup = other->tabGroup() ? other->tabGroup() : new TabGroup(other);
if (!newGroup->add(this, other, behind, activate)) {
if (newGroup->count() < 2) { // adding "c" to "to" failed for whatever reason
newGroup->remove(other);
delete newGroup;
}
return false;
}
return true;
}
bool Client::untab(const QRect &toGeometry, bool clientRemoved)
{
TabGroup *group = tab_group;
if (group && group->remove(this)) { // remove sets the tabgroup to "0", therefore the pointer is cached
if (group->isEmpty()) {
delete group;
}
if (clientRemoved)
return true; // there's been a broadcast signal that this client is now removed - don't touch it
setClientShown(!(isMinimized() || isShade()));
bool keepSize = toGeometry.size() == size();
bool changedSize = false;
if (quickTileMode() != QuickTileNone) {
changedSize = true;
setQuickTileMode(QuickTileNone); // if we leave a quicktiled group, assume that the user wants to untile
}
if (toGeometry.isValid()) {
if (maximizeMode() != Client::MaximizeRestore) {
changedSize = true;
maximize(Client::MaximizeRestore); // explicitly calling for a geometry -> unmaximize
}
if (keepSize && changedSize) {
geom_restore = geometry(); // checkWorkspacePosition() invokes it
QPoint cpoint = Cursor::pos();
QPoint point = cpoint;
point.setX((point.x() - toGeometry.x()) * geom_restore.width() / toGeometry.width());
point.setY((point.y() - toGeometry.y()) * geom_restore.height() / toGeometry.height());
geom_restore.moveTo(cpoint-point);
} else {
geom_restore = toGeometry; // checkWorkspacePosition() invokes it
}
setGeometry(geom_restore);
checkWorkspacePosition();
}
return true;
}
return false;
}
void Client::setTabGroup(TabGroup *group)
{
tab_group = group;
if (group) {
unsigned long data[] = {qHash(group)}; //->id();
m_client.changeProperty(atoms->kde_net_wm_tab_group, XCB_ATOM_CARDINAL, 32, 1, data);
}
else
m_client.deleteProperty(atoms->kde_net_wm_tab_group);
emit tabGroupChanged();
}
bool Client::isCurrentTab() const
{
return !tab_group || tab_group->current() == this;
}
void Client::syncTabGroupFor(QString property, bool fromThisClient)
{
if (tab_group)
tab_group->sync(property.toAscii().data(), fromThisClient ? this : tab_group->current());
}
void Client::dontMoveResize()
{
buttonDown = false;
stopDelayedMoveResize();
if (moveResizeMode)
finishMoveResize(false);
}
void Client::setClientShown(bool shown)
{
if (deleting)
return; // Don't change shown status if this client is being deleted
if (shown != hidden)
return; // nothing to change
hidden = !shown;
if (options->isInactiveTabsSkipTaskbar())
setSkipTaskbar(hidden, false); // TODO: Causes reshuffle of the taskbar
if (shown) {
map();
takeFocus();
autoRaise();
FocusChain::self()->update(this, FocusChain::MakeFirst);
} else {
unmap();
// Don't move tabs to the end of the list when another tab get's activated
if (isCurrentTab())
FocusChain::self()->update(this, FocusChain::MakeLast);
addWorkspaceRepaint(visibleRect());
}
}
void Client::getWMHints()
{
XWMHints* hints = XGetWMHints(display(), window());
input = true;
m_windowGroup = XCB_WINDOW_NONE;
urgency = false;
if (hints) {
if (hints->flags & InputHint)
input = hints->input;
if (hints->flags & WindowGroupHint)
m_windowGroup = hints->window_group;
urgency = !!(hints->flags & UrgencyHint); // Need boolean, it's a uint bitfield
XFree((char*)hints);
}
checkGroup();
updateUrgency();
updateAllowedActions(); // Group affects isMinimizable()
}
void Client::getMotifHints()
{
bool mgot_noborder, mnoborder, mresize, mmove, mminimize, mmaximize, mclose;
Motif::readFlags(m_client, mgot_noborder, mnoborder, mresize, mmove, mminimize, mmaximize, mclose);
if (mgot_noborder && motif_noborder != mnoborder) {
motif_noborder = mnoborder;
// If we just got a hint telling us to hide decorations, we do so.
if (motif_noborder)
noborder = rules()->checkNoBorder(true);
// If the Motif hint is now telling us to show decorations, we only do so if the app didn't
// instruct us to hide decorations in some other way, though.
else if (!app_noborder)
noborder = rules()->checkNoBorder(false);
}
if (!hasNETSupport()) {
// NETWM apps should set type and size constraints
motif_may_resize = mresize; // This should be set using minsize==maxsize, but oh well
motif_may_move = mmove;
} else
motif_may_resize = motif_may_move = true;
// mminimize; - Ignore, bogus - E.g. shading or sending to another desktop is "minimizing" too
// mmaximize; - Ignore, bogus - Maximizing is basically just resizing
const bool closabilityChanged = motif_may_close != mclose;
motif_may_close = mclose; // Motif apps like to crash when they set this hint and WM closes them anyway
if (isManaged())
updateDecoration(true); // Check if noborder state has changed
if (decoration && closabilityChanged)
emit decoration->decorationButtonsChanged();
}
void Client::getIcons()
{
// First read icons from the window itself
m_icon = QIcon();
auto readIcon = [this](int size, bool scale = true) {
const QPixmap pix = KWindowSystem::icon(window(), size, size, scale, KWindowSystem::NETWM | KWindowSystem::WMHints);
if (!pix.isNull()) {
m_icon.addPixmap(pix);
}
};
readIcon(16);
readIcon(32);
readIcon(48, false);
readIcon(64, false);
readIcon(128, false);
if (m_icon.isNull()) {
// Then try window group
m_icon = group()->icon();
}
if (m_icon.isNull() && isTransient()) {
// Then mainclients
ClientList mainclients = mainClients();
for (ClientList::ConstIterator it = mainclients.constBegin();
it != mainclients.constEnd() && m_icon.isNull();
++it) {
if (!(*it)->icon().isNull()) {
m_icon = (*it)->icon();
break;
}
}
}
if (m_icon.isNull()) {
// And if nothing else, load icon from classhint or xapp icon
m_icon.addPixmap(KWindowSystem::icon(window(), 32, 32, true, KWindowSystem::ClassHint | KWindowSystem::XApp));
m_icon.addPixmap(KWindowSystem::icon(window(), 16, 16, true, KWindowSystem::ClassHint | KWindowSystem::XApp));
m_icon.addPixmap(KWindowSystem::icon(window(), 64, 64, false, KWindowSystem::ClassHint | KWindowSystem::XApp));
m_icon.addPixmap(KWindowSystem::icon(window(), 128, 128, false, KWindowSystem::ClassHint | KWindowSystem::XApp));
}
emit iconChanged();
}
void Client::getWindowProtocols()
{
Atom* p;
int i, n;
Pdeletewindow = 0;
Ptakefocus = 0;
Ptakeactivity = 0;
Pcontexthelp = 0;
Pping = 0;
if (XGetWMProtocols(display(), window(), &p, &n)) {
for (i = 0; i < n; ++i) {
if (p[i] == atoms->wm_delete_window)
Pdeletewindow = 1;
else if (p[i] == atoms->wm_take_focus)
Ptakefocus = 1;
else if (p[i] == atoms->net_wm_take_activity)
Ptakeactivity = 1;
else if (p[i] == atoms->net_wm_context_help)
Pcontexthelp = 1;
else if (p[i] == atoms->net_wm_ping)
Pping = 1;
}
if (n > 0)
XFree(p);
}
}
void Client::getSyncCounter()
{
if (!Xcb::Extensions::self()->isSyncAvailable())
return;
Atom retType;
unsigned long nItemRet;
unsigned long byteRet;
int formatRet;
unsigned char* propRet;
int ret = XGetWindowProperty(display(), window(), atoms->net_wm_sync_request_counter,
0, 1, false, XCB_ATOM_CARDINAL, &retType, &formatRet, &nItemRet, &byteRet, &propRet);
if (ret == Success && formatRet == 32) {
syncRequest.counter = *(xcb_sync_counter_t*)(propRet);
syncRequest.value.hi = 0;
syncRequest.value.lo = 0;
auto *c = connection();
xcb_sync_set_counter(c, syncRequest.counter, syncRequest.value);
if (syncRequest.alarm == XCB_NONE) {
const uint32_t mask = XCB_SYNC_CA_COUNTER | XCB_SYNC_CA_VALUE_TYPE | XCB_SYNC_CA_TEST_TYPE | XCB_SYNC_CA_EVENTS;
const uint32_t values[] = {
syncRequest.counter,
XCB_SYNC_VALUETYPE_RELATIVE,
XCB_SYNC_TESTTYPE_POSITIVE_TRANSITION,
1
};
syncRequest.alarm = xcb_generate_id(c);
auto cookie = xcb_sync_create_alarm_checked(c, syncRequest.alarm, mask, values);
ScopedCPointer<xcb_generic_error_t> error(xcb_request_check(c, cookie));
if (!error.isNull()) {
syncRequest.alarm = XCB_NONE;
} else {
XSyncAlarmAttributes attrs;
XSyncIntToValue(&attrs.trigger.wait_value, 1);
XSyncIntToValue(&attrs.delta, 1);
XSyncChangeAlarm(display(), syncRequest.alarm, XSyncCADelta | XSyncCAValue, &attrs);
}
}
}
if (ret == Success)
XFree(propRet);
}
/**
* Send the client a _NET_SYNC_REQUEST
*/
void Client::sendSyncRequest()
{
if (syncRequest.counter == XCB_NONE || syncRequest.isPending)
return; // do NOT, NEVER send a sync request when there's one on the stack. the clients will just stop respoding. FOREVER! ...
if (!syncRequest.failsafeTimeout) {
syncRequest.failsafeTimeout = new QTimer(this);
connect(syncRequest.failsafeTimeout, SIGNAL(timeout()), SLOT(removeSyncSupport()));
syncRequest.failsafeTimeout->setSingleShot(true);
}
// if there's no response within 10 seconds, sth. went wrong and we remove XSYNC support from this client.
// see events.cpp Client::syncEvent()
syncRequest.failsafeTimeout->start(ready_for_painting ? 10000 : 1000);
// We increment before the notify so that after the notify
// syncCounterSerial will equal the value we are expecting
// in the acknowledgement
const uint32_t oldLo = syncRequest.value.lo;
syncRequest.value.lo++;;
if (oldLo > syncRequest.value.lo) {
syncRequest.value.hi++;
}
// Send the message to client
XEvent ev;
ev.xclient.type = ClientMessage;
ev.xclient.window = window();
ev.xclient.format = 32;
ev.xclient.message_type = atoms->wm_protocols;
ev.xclient.data.l[0] = atoms->net_wm_sync_request;
ev.xclient.data.l[1] = xTime();
ev.xclient.data.l[2] = syncRequest.value.lo;
ev.xclient.data.l[3] = syncRequest.value.hi;
ev.xclient.data.l[4] = 0;
syncRequest.isPending = true;
XSendEvent(display(), window(), False, NoEventMask, &ev);
Xcb::sync();
}
void Client::removeSyncSupport()
{
if (!ready_for_painting) {
setReadyForPainting();
return;
}
syncRequest.isPending = false;
syncRequest.counter = syncRequest.alarm = XCB_NONE;
delete syncRequest.timeout; delete syncRequest.failsafeTimeout;
syncRequest.timeout = syncRequest.failsafeTimeout = NULL;
}
bool Client::wantsTabFocus() const
{
return (isNormalWindow() || isDialog()) && wantsInput();
}
bool Client::wantsInput() const
{
return rules()->checkAcceptFocus(input || Ptakefocus);
}
bool Client::isSpecialWindow() const
{
// TODO
return isDesktop() || isDock() || isSplash() || isToolbar();
}
/**
* Sets an appropriate cursor shape for the logical mouse position \a m
*/
void Client::updateCursor()
{
Position m = mode;
if (!isResizable() || isShade())
m = PositionCenter;
Qt::CursorShape c = Qt::ArrowCursor;
switch(m) {
case PositionTopLeft:
case PositionBottomRight:
c = Qt::SizeFDiagCursor;
break;
case PositionBottomLeft:
case PositionTopRight:
c = Qt::SizeBDiagCursor;
break;
case PositionTop:
case PositionBottom:
c = Qt::SizeVerCursor;
break;
case PositionLeft:
case PositionRight:
c = Qt::SizeHorCursor;
break;
default:
if (moveResizeMode)
c = Qt::SizeAllCursor;
else
c = Qt::ArrowCursor;
break;
}
if (c == m_cursor)
return;
m_cursor = c;
if (decoration != NULL)
decoration->window()->setCursor(m_cursor);
xcb_cursor_t nativeCursor = Cursor::x11Cursor(m_cursor);
m_frame.defineCursor(nativeCursor);
if (m_decoInputExtent.isValid())
m_decoInputExtent.defineCursor(nativeCursor);
if (moveResizeMode) {
// changing window attributes doesn't change cursor if there's pointer grab active
xcb_change_active_pointer_grab(connection(), nativeCursor, xTime(),
XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_POINTER_MOTION | XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_LEAVE_WINDOW);
}
}
void Client::updateCompositeBlocking(bool readProperty)
{
if (readProperty) {
const unsigned long properties[2] = {0, NET::WM2BlockCompositing};
NETWinInfo i(connection(), window(), rootWindow(), properties, 2);
setBlockingCompositing(i.isBlockingCompositing());
}
else
setBlockingCompositing(blocks_compositing);
}
void Client::setBlockingCompositing(bool block)
{
const bool usedToBlock = blocks_compositing;
blocks_compositing = rules()->checkBlockCompositing(block);
if (usedToBlock != blocks_compositing) {
emit blockingCompositingChanged(blocks_compositing ? this : 0);
}
}
Client::Position Client::mousePosition(const QPoint& p) const
{
if (decoration != NULL)
return decoration->mousePosition(p);
return PositionCenter;
}
void Client::updateAllowedActions(bool force)
{
if (!isManaged() && !force)
return;
NET::Actions old_allowed_actions = NET::Actions(allowed_actions);
allowed_actions = 0;
if (isMovable())
allowed_actions |= NET::ActionMove;
if (isResizable())
allowed_actions |= NET::ActionResize;
if (isMinimizable())
allowed_actions |= NET::ActionMinimize;
if (isShadeable())
allowed_actions |= NET::ActionShade;
// Sticky state not supported
if (isMaximizable())
allowed_actions |= NET::ActionMax;
if (userCanSetFullScreen())
allowed_actions |= NET::ActionFullScreen;
allowed_actions |= NET::ActionChangeDesktop; // Always (Pagers shouldn't show Docks etc.)
if (isCloseable())
allowed_actions |= NET::ActionClose;
if (old_allowed_actions == allowed_actions)
return;
// TODO: This could be delayed and compressed - It's only for pagers etc. anyway
info->setAllowedActions(allowed_actions);
// ONLY if relevant features have changed (and the window didn't just get/loose moveresize for maximization state changes)
const NET::Actions relevant = ~(NET::ActionMove|NET::ActionResize);
if (decoration && (allowed_actions & relevant) != (old_allowed_actions & relevant))
emit decoration->decorationButtonsChanged();
}
void Client::autoRaise()
{
workspace()->raiseClient(this);
cancelAutoRaise();
}
void Client::cancelAutoRaise()
{
delete autoRaiseTimer;
autoRaiseTimer = 0;
}
void Client::debug(QDebug& stream) const
{
print<QDebug>(stream);
}
void Client::checkActivities()
{
#ifdef KWIN_BUILD_ACTIVITIES
QStringList newActivitiesList;
QByteArray prop = getStringProperty(window(), atoms->activities);
activitiesDefined = !prop.isEmpty();
if (QString::fromUtf8(prop) == Activities::nullUuid()) {
//copied from setOnAllActivities to avoid a redundant XChangeProperty.
if (!activityList.isEmpty()) {
activityList.clear();
updateActivities(true);
}
return;
}
if (prop.isEmpty()) {
//note: this makes it *act* like it's on all activities but doesn't set the property to 'ALL'
if (!activityList.isEmpty()) {
activityList.clear();
updateActivities(true);
}
return;
}
newActivitiesList = QString::fromUtf8(prop).split(QStringLiteral(","));
if (newActivitiesList == activityList)
return; //expected change, it's ok.
//otherwise, somebody else changed it. we need to validate before reacting
QStringList allActivities = Activities::self()->all();
if (allActivities.isEmpty()) {
qDebug() << "no activities!?!?";
//don't touch anything, there's probably something bad going on and we don't wanna make it worse
return;
}
for (int i = 0; i < newActivitiesList.size(); ++i) {
if (! allActivities.contains(newActivitiesList.at(i))) {
qDebug() << "invalid:" << newActivitiesList.at(i);
newActivitiesList.removeAt(i--);
}
}
setOnActivities(newActivitiesList);
#endif
}
void Client::setSessionInteract(bool needed)
{
needsSessionInteract = needed;
}
QRect Client::decorationRect() const
{
if (decoration) {
return decoration->rect().translated(-padding_left, -padding_top);
} else {
return QRect(0, 0, width(), height());
}
}
KDecorationDefines::Position Client::titlebarPosition() const
{
Position titlePos = PositionCenter; // PositionTop is returned by the default implementation
// this will hint errors in the metaobject usage ;-)
if (decoration)
QMetaObject::invokeMethod(decoration, "titlebarPosition", Qt::DirectConnection,
Q_RETURN_ARG(KDecorationDefines::Position, titlePos));
return titlePos;
}
void Client::updateFirstInTabBox()
{
// TODO: move into KWindowInfo
xcb_connection_t *c = connection();
const auto cookie = xcb_get_property_unchecked(c, false, m_client, atoms->kde_first_in_window_list,
atoms->kde_first_in_window_list, 0, 1);
ScopedCPointer<xcb_get_property_reply_t> prop(xcb_get_property_reply(c, cookie, nullptr));
if (!prop.isNull() && prop->format == 32 && prop->value_len == 1) {
setFirstInTabBox(true);
} else {
setFirstInTabBox(false);
}
}
void Client::updateColorScheme()
{
// TODO: move into KWindowInfo
xcb_connection_t *c = connection();
const auto cookie = xcb_get_property_unchecked(c, false, m_client, atoms->kde_color_sheme,
XCB_ATOM_STRING, 0, 10000);
ScopedCPointer<xcb_get_property_reply_t> prop(xcb_get_property_reply(c, cookie, nullptr));
auto resetToDefault = [this]() {
m_palette = QApplication::palette();
};
QString path;
if (!prop.isNull() && prop->format == 8 && prop->value_len > 0) {
path = QString::fromUtf8(static_cast<const char*>(xcb_get_property_value(prop.data())));
}
path = rules()->checkDecoColor(path);
if (!path.isNull()) {
m_palette = KColorScheme::createApplicationPalette(KSharedConfig::openConfig(path));
} else {
resetToDefault();
}
triggerDecorationRepaint();
}
bool Client::isClient() const
{
return true;
}
#ifdef KWIN_BUILD_KAPPMENU
void Client::setAppMenuAvailable()
{
m_menuAvailable = true;
emit appMenuAvailable();
}
void Client::setAppMenuUnavailable()
{
m_menuAvailable = false;
emit appMenuUnavailable();
}
void Client::showApplicationMenu(const QPoint &p)
{
ApplicationMenu::self()->showApplicationMenu(p, window());
}
#endif
NET::WindowType Client::windowType(bool direct, int supportedTypes) const
{
// TODO: does it make sense to cache the returned window type for SUPPORTED_MANAGED_WINDOW_TYPES_MASK?
if (supportedTypes == 0) {
supportedTypes = SUPPORTED_MANAGED_WINDOW_TYPES_MASK;
}
NET::WindowType wt = info->windowType(NET::WindowTypes(supportedTypes));
if (direct) {
return wt;
}
NET::WindowType wt2 = client_rules.checkType(wt);
if (wt != wt2) {
wt = wt2;
info->setWindowType(wt); // force hint change
}
// hacks here
if (wt == NET::Unknown) // this is more or less suggested in NETWM spec
wt = isTransient() ? NET::Dialog : NET::Normal;
return wt;
}
bool Client::decorationHasAlpha() const
{
if (!decoration || !decorationPlugin()->hasAlpha()) {
// either no decoration or decoration has alpha disabled
return false;
}
if (decorationPlugin()->supportsAnnounceAlpha()) {
return decoration->isAlphaEnabled();
} else {
// decoration has alpha enabled and does not support alpha announcement
return true;
}
}
void Client::cancelFocusOutTimer()
{
if (m_focusOutTimer) {
m_focusOutTimer->stop();
}
}
xcb_window_t Client::frameId() const
{
return m_frame;
}
void Client::updateShowOnScreenEdge()
{
auto cookie = xcb_get_property_unchecked(connection(), false, window(), atoms->kde_screen_edge_show, XCB_ATOM_CARDINAL, 0, 1);
ScopedCPointer<xcb_get_property_reply_t> reply(xcb_get_property_reply(connection(), cookie, nullptr));
auto restore = [this]() {
// TODO: add proper unreserve
ScreenEdges::self()->reserve(this, ElectricNone);
hideClient(false);
};
if (!reply.isNull()) {
if (reply->format == 32 && reply->type == XCB_ATOM_CARDINAL && reply->value_len == 1) {
const uint32_t value = *reinterpret_cast<uint32_t*>(xcb_get_property_value(reply.data()));
ElectricBorder border = ElectricNone;
switch (value) {
case 0:
border = ElectricTop;
break;
case 1:
border = ElectricRight;
break;
case 2:
border = ElectricBottom;
break;
case 3:
border = ElectricLeft;
break;
}
if (border != ElectricNone) {
hideClient(true);
ScreenEdges::self()->reserve(this, border);
} else {
// property value is incorrect, delete the property
// so that the client knows that it is not hidden
xcb_delete_property(connection(), window(), atoms->kde_screen_edge_show);
}
} else if (reply->type == XCB_ATOM_NONE) {
// the property got deleted, show the client again
restore();
}
} else {
restore();
}
}
void Client::showOnScreenEdge()
{
hideClient(false);
xcb_delete_property(connection(), window(), atoms->kde_screen_edge_show);
}
} // namespace
#include "client.moc"