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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 <[email protected]>
Copyright (C) 2003 Lubos Lunak <[email protected]>
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
#include "atoms.h"
#include "client_machine.h"
#include "composite.h"
#include "cursor.h"
#include "deleted.h"
#include "focuschain.h"
#include "group.h"
#include "shadow.h"
#include "workspace.h"
#include "screenedge.h"
#include "decorations/decorationbridge.h"
#include "decorations/decoratedclient.h"
#include <KDecoration2/Decoration>
#include <KDecoration2/DecoratedClient>
// KDE
#include <KLocalizedString>
#include <KWindowSystem>
#include <KColorScheme>
// Qt
#include <QApplication>
#include <QDebug>
#include <QFile>
#include <QMouseEvent>
#include <QProcess>
// XLib
#include <X11/Xutil.h>
#include <fixx11h.h>
#include <xcb/xcb_icccm.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
{
const long ClientWinMask = XCB_EVENT_MASK_KEY_PRESS | XCB_EVENT_MASK_KEY_RELEASE |
XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE |
XCB_EVENT_MASK_KEYMAP_STATE |
XCB_EVENT_MASK_BUTTON_MOTION |
XCB_EVENT_MASK_POINTER_MOTION | // need this, too!
XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_LEAVE_WINDOW |
XCB_EVENT_MASK_FOCUS_CHANGE |
XCB_EVENT_MASK_EXPOSURE |
XCB_EVENT_MASK_STRUCTURE_NOTIFY |
XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT;
// 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()
: AbstractClient()
, m_client()
, m_wrapper()
, m_frame()
, m_activityUpdatesBlocked(false)
, m_blockedActivityUpdatesRequireTransients(false)
, m_moveResizeGrabWindow()
, move_resize_has_keyboard_grab(false)
, m_managed(false)
, m_transientForId(XCB_WINDOW_NONE)
, m_originalTransientForId(XCB_WINDOW_NONE)
, shade_below(NULL)
, m_motif(atoms->motif_wm_hints)
, blocks_compositing(false)
, shadeHoverTimer(NULL)
, m_colormap(XCB_COLORMAP_NONE)
, in_group(NULL)
, tab_group(NULL)
, ping_timer(NULL)
, m_killHelperPID(0)
, m_pingTimestamp(XCB_TIME_CURRENT_TIME)
, m_userTime(XCB_TIME_CURRENT_TIME) // Not known yet
, allowed_actions(0)
, shade_geometry_change(false)
, sm_stacking_order(-1)
, activitiesDefined(false)
, sessionActivityOverride(false)
, needsXWindowMove(false)
, m_decoInputExtent()
, m_focusOutTimer(nullptr)
, m_clientSideDecorated(false)
{
// TODO: Do all as initialization
syncRequest.counter = syncRequest.alarm = XCB_NONE;
syncRequest.timeout = syncRequest.failsafeTimeout = NULL;
syncRequest.lastTimestamp = xTime();
syncRequest.isPending = false;
// Set the initial mapping state
mapping_state = Withdrawn;
info = NULL;
shade_mode = ShadeNone;
deleting = false;
fullscreen_mode = FullScreenNone;
hidden = false;
noborder = false;
app_noborder = false;
ignore_focus_stealing = false;
check_active_modal = false;
max_mode = MaximizeRestore;
//Client to workspace connections require that each
//client constructed be connected to the workspace wrapper
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(clientMachine(), &ClientMachine::localhostChanged, this, &Client::updateCaption);
connect(options, &Options::condensedTitleChanged, this, &Client::updateCaption);
connect(this, &Client::moveResizeCursorChanged, this, [this] (Qt::CursorShape cursor) {
xcb_cursor_t nativeCursor = Cursor::x11Cursor(cursor);
m_frame.defineCursor(nativeCursor);
if (m_decoInputExtent.isValid())
m_decoInputExtent.defineCursor(nativeCursor);
if (isMoveResize()) {
// 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);
}
});
// 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(!isMoveResize());
assert(m_client == XCB_WINDOW_NONE);
assert(m_wrapper == XCB_WINDOW_NONE);
//assert( frameId() == None );
assert(!check_active_modal);
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;
destroyWindowManagementInterface();
Deleted* del = NULL;
if (!on_shutdown) {
del = Deleted::create(this);
}
if (isMoveResize())
emit clientFinishUserMovedResized(this);
emit windowClosed(this, del);
finishCompositing();
RuleBook::self()->discardUsed(this, true); // Remove ForceTemporarily rules
StackingUpdatesBlocker blocker(workspace());
if (isMoveResize())
leaveMoveResize();
finishWindowRules();
blockGeometryUpdates();
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);
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;
unblockGeometryUpdates(); // Don't use GeometryUpdatesBlocker, it would now set the geometry
if (!on_shutdown) {
disownDataPassedToDeleted();
del->unrefWindow();
}
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;
destroyWindowManagementInterface();
Deleted* del = Deleted::create(this);
if (isMoveResize())
emit clientFinishUserMovedResized(this);
emit windowClosed(this, del);
finishCompositing(ReleaseReason::Destroyed);
RuleBook::self()->discardUsed(this, true); // Remove ForceTemporarily rules
StackingUpdatesBlocker blocker(workspace());
if (isMoveResize())
leaveMoveResize();
finishWindowRules();
blockGeometryUpdates();
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;
unblockGeometryUpdates(); // Don't use GeometryUpdatesBlocker, it would now set the geometry
disownDataPassedToDeleted();
del->unrefWindow();
deleteClient(this);
}
void Client::updateInputWindow()
{
if (!Xcb::Extensions::self()->isShapeInputAvailable())
return;
QRegion region;
if (!noBorder() && isDecorated()) {
const QMargins &r = decoration()->resizeOnlyBorders();
const int left = r.left();
const int top = r.top();
const int right = r.right();
const int bottom = r.bottom();
if (left != 0 || top != 0 || right != 0 || bottom != 0) {
region = QRegion(-left,
-top,
decoration()->size().width() + left + right,
decoration()->size().height() + top + bottom);
region = region.subtracted(decoration()->rect());
}
}
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 &&
((!isDecorated() && noBorder()) || (isDecorated() && !noBorder())))
return;
QRect oldgeom = geometry();
QRect oldClientGeom = oldgeom.adjusted(borderLeft(), borderTop(), -borderRight(), -borderBottom());
blockGeometryUpdates(true);
if (force)
destroyDecoration();
if (!noBorder()) {
createDecoration(oldgeom);
} else
destroyDecoration();
getShadow();
if (check_workspace_pos)
checkWorkspacePosition(oldgeom, -2, oldClientGeom);
updateInputWindow();
blockGeometryUpdates(false);
updateFrameExtents();
}
void Client::createDecoration(const QRect& oldgeom)
{
KDecoration2::Decoration *decoration = Decoration::DecorationBridge::self()->createDecoration(this);
if (decoration) {
QMetaObject::invokeMethod(decoration, "update", Qt::QueuedConnection);
connect(decoration, &KDecoration2::Decoration::shadowChanged, this, &Toplevel::getShadow);
connect(decoration, &KDecoration2::Decoration::resizeOnlyBordersChanged, this, &Client::updateInputWindow);
connect(decoration, &KDecoration2::Decoration::bordersChanged, this,
[this]() {
updateFrameExtents();
GeometryUpdatesBlocker blocker(this);
// TODO: this is obviously idempotent
// calculateGravitation(true) would have to operate on the old border sizes
// move(calculateGravitation(true));
// move(calculateGravitation(false));
QRect oldgeom = geometry();
plainResize(sizeForClientSize(clientSize()), ForceGeometrySet);
if (!isShade())
checkWorkspacePosition(oldgeom);
emit geometryShapeChanged(this, oldgeom);
}
);
connect(decoratedClient()->decoratedClient(), &KDecoration2::DecoratedClient::widthChanged, this, &Client::updateInputWindow);
connect(decoratedClient()->decoratedClient(), &KDecoration2::DecoratedClient::heightChanged, this, &Client::updateInputWindow);
}
setDecoration(decoration);
move(calculateGravitation(false));
plainResize(sizeForClientSize(clientSize()), ForceGeometrySet);
if (Compositor::compositing()) {
discardWindowPixmap();
}
emit geometryShapeChanged(this, oldgeom);
}
void Client::destroyDecoration()
{
QRect oldgeom = geometry();
if (isDecorated()) {
QPoint grav = calculateGravitation(true);
AbstractClient::destroyDecoration();
plainResize(sizeForClientSize(clientSize()), ForceGeometrySet);
move(grav);
if (compositing())
discardWindowPixmap();
if (!deleting) {
emit geometryShapeChanged(this, oldgeom);
}
}
m_decoInputExtent.reset();
}
void Client::layoutDecorationRects(QRect &left, QRect &top, QRect &right, QRect &bottom) const
{
if (!isDecorated()) {
return;
}
QRect r = decoration()->rect();
NETStrut strut = info->frameOverlap();
// Ignore the overlap strut when compositing is disabled
if (!compositing())
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(), borderTop() + strut.top);
bottom = QRect(r.x(), r.y() + r.height() - borderBottom() - strut.bottom,
r.width(), borderBottom() + strut.bottom);
left = QRect(r.x(), r.y() + top.height(),
borderLeft() + strut.left, r.height() - top.height() - bottom.height());
right = QRect(r.x() + r.width() - borderRight() - strut.right, r.y() + top.height(),
borderRight() + strut.right, r.height() - top.height() - bottom.height());
}
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())
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 :
case NET::OnScreenDisplay :
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(NET::OverrideMask) == NET::Override) {
noborder = true;
app_noborder = true;
}
}
void Client::updateFrameExtents()
{
NETStrut strut;
strut.left = borderLeft();
strut.right = borderRight();
strut.top = borderTop();
strut.bottom = borderBottom();
info->setFrameExtents(strut);
}
Xcb::Property Client::fetchGtkFrameExtents() const
{
return Xcb::Property(false, m_client, atoms->gtk_frame_extents, XCB_ATOM_CARDINAL, 0, 4);
}
void Client::readGtkFrameExtents(Xcb::Property &prop)
{
m_clientSideDecorated = !prop.isNull() && prop->type != 0;
emit clientSideDecoratedChanged();
}
void Client::detectGtkFrameExtents()
{
Xcb::Property prop = fetchGtkFrameExtents();
readGtkFrameExtents(prop);
}
/**
* 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()
{
triggerDecorationRepaint();
updateInputWindow();
}
bool Client::noBorder() const
{
return 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);
}
bool Client::wantsShadowToBeRendered() const
{
return !isFullScreen() && maximizeMode() != MaximizeFull;
}
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 || m_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::cleanupX11()
{
shape_helper_window.reset();
}
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::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;
auto mainclients = mainClients();
for (auto 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::doMinimize()
{
updateVisibility();
updateAllowedActions();
workspace()->updateMinimizedOfTransients(this);
// Update states of all other windows in this group
if (tabGroup())
tabGroup()->updateStates(this, TabGroup::Minimized);
}
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 (AbstractClient * amainwin, mainClients()) {
Client *mainwin = dynamic_cast<Client*>(amainwin);
if (!mainwin) {
continue;
}
geom = mainwin->iconGeometry();
if (geom.isValid())
return geom;
}
// No mainwindow (or their parents) with icon geometry was found
return AbstractClient::iconGeometry();
}
}
bool Client::isShadeable() const
{
return !isSpecialWindow() && !noBorder() && (rules()->checkShade(ShadeNormal) != rules()->checkShade(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 0
if (decoration)
decoration->borders(border_left, border_right, border_top, border_bottom);
#endif
// 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(isDecorated()); // 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(borderTop() + borderBottom());
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, true);
if (isActive())
workspace()->activateNextClient(this);
} else if (isActive()) {
workspace()->focusToNull();
}
} else {
shade_geometry_change = true;
if (decoratedClient())
decoratedClient()->signalShadeChange();
QSize s(sizeForClientSize(clientSize()));
shade_geometry_change = false;
plainResize(s);
geom_restore = geometry();
if ((shade_mode == ShadeHover || shade_mode == ShadeActivated) && rules()->checkAcceptFocus(info->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); // Also hide from taskbar
if (compositing() && options->hiddenPreviews() == HiddenPreviewsAlways)
internalKeep();
else
internalHide();
return;
}
if (isCurrentTab())
setSkipTaskbar(originalSkipTaskbar()); // Reset from 'hidden'
if (isMinimized()) {
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;
}
internalShow();
}
/**
* 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();
}
emit windowShown(this);
}
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);
emit windowHidden(this);
}
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);
}
/**
* 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();
m_frame.map();
if (!isShade()) {
m_wrapper.map();
m_client.map();
m_decoInputExtent.map();
exportMappingState(NormalState);
} else
exportMappingState(IconicState);
addLayerRepaint(visibleRect());