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kwin/client.cpp
Martin Gräßlin a404ec4259 WindowUnminimized becomes a signal
2011-03-06 11:08:19 +01:00

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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/>.
*********************************************************************/
#include "client.h"
#include <QApplication>
#include <QPainter>
#include <QDateTime>
#include <QProcess>
#include <unistd.h>
#include <kstandarddirs.h>
#include <QWhatsThis>
#include <kwindowsystem.h>
#include <kiconloader.h>
#include <stdlib.h>
#include <signal.h>
#include "scripting/client.h"
#include "scripting/scripting.h"
#include "scripting/workspaceproxy.h"
#include "bridge.h"
#include "group.h"
#include "workspace.h"
#include "atoms.h"
#include "notifications.h"
#include "rules.h"
#include "scene.h"
#include "effects.h"
#include "deleted.h"
#include "paintredirector.h"
#include "tabbox.h"
#include <X11/extensions/shape.h>
#include <QX11Info>
#ifdef HAVE_XSYNC
#include <X11/extensions/sync.h>
#endif
#ifdef HAVE_XRENDER
#include <X11/extensions/Xrender.h>
#endif
// Put all externs before the namespace statement to allow the linker
// to resolve them properly
namespace KWin
{
// 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(Workspace* ws)
: Toplevel(ws)
, client(None)
, wrapper(None)
, decoration(NULL)
, bridge(new Bridge(this))
, move_faked_activity(false)
, move_resize_grab_window(None)
, move_resize_has_keyboard_grab(false)
, transient_for (NULL)
, transient_for_id(None)
, original_transient_for_id(None)
, autoRaiseTimer(NULL)
, shadeHoverTimer(NULL)
, delayedMoveResizeTimer(NULL)
, in_group(NULL)
, window_group(None)
, client_group(NULL)
, in_layer(UnknownLayer)
, ping_timer(NULL)
, process_killer(NULL)
, user_time(CurrentTime) // Not known yet
, allowed_actions(0)
, block_geometry_updates(0)
, pending_geometry_update(PendingGeometryNone)
, shade_geometry_change(false)
#ifdef HAVE_XSYNC
, sync_counter(None)
, sync_alarm(None)
#endif
, sync_timeout(NULL)
, sync_resize_pending(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)
, demandAttentionKNotifyTimer(NULL)
, paintRedirector(0)
, electricMaximizing(false)
, activitiesDefined(false)
, needsSessionInteract(false)
{
// TODO: Do all as initialization
scriptCache = new QHash<QScriptEngine*, ClientResolution>();
// Set the initial mapping state
mapping_state = Withdrawn;
quick_tile_mode = QuickTileNone;
geom_pretile = QRect(0, 0, 0, 0);
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;
maxmode_restore = MaximizeRestore;
cmap = None;
//Client to workspace connections require that each
//client constructed be connected to the workspace wrapper
// TabBoxClient
m_tabBoxClient = new TabBox::TabBoxClientImpl();
m_tabBoxClient->setClient(this);
geom = QRect(0, 0, 100, 100); // So that decorations don't start with size being (0,0)
client_size = QSize(100, 100);
#if defined(HAVE_XSYNC) || defined(HAVE_XDAMAGE)
ready_for_painting = false; // wait for first damage or sync reply
#endif
// SELI TODO: Initialize xsizehints??
}
/**
* "Dumb" destructor.
*/
Client::~Client()
{
//SWrapper::Client::clientRelease(this);
#ifdef HAVE_XSYNC
if (sync_alarm != None)
XSyncDestroyAlarm(display(), sync_alarm);
#endif
assert(!moveResizeMode);
assert(client == None);
assert(wrapper == None);
//assert( frameId() == None );
assert(decoration == NULL);
assert(block_geometry_updates == 0);
assert(!check_active_modal);
delete bridge;
delete m_tabBoxClient;
delete scriptCache;
}
// Use destroyClient() or releaseWindow(), Client instances cannot be deleted directly
void Client::deleteClient(Client* c, allowed_t)
{
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 = Deleted::create(this);
emit clientClosed(this);
if (scene) {
scene->windowClosed(this, del);
}
finishCompositing();
workspace()->discardUsedWindowRules(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);
XUnmapWindow(display(), frameId()); // Destroying decoration would cause ugly visual effect
destroyDecoration();
cleanGrouping();
if (clientGroup())
clientGroup()->remove(this, QRect(), true);
if (!on_shutdown) {
workspace()->removeClient(this, Allowed);
// 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
}
XDeleteProperty(display(), client, atoms->kde_net_wm_user_creation_time);
XDeleteProperty(display(), client, atoms->net_frame_extents);
XDeleteProperty(display(), client, atoms->kde_net_wm_frame_strut);
XReparentWindow(display(), client, rootWindow(), x(), y());
XRemoveFromSaveSet(display(), client);
XSelectInput(display(), client, NoEventMask);
if (on_shutdown)
// Map the window, so it can be found after another WM is started
XMapWindow(display(), client);
// 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().
XUnmapWindow(display(), client);
client = None;
XDestroyWindow(display(), wrapper);
wrapper = None;
XDestroyWindow(display(), frameId());
//frame = None;
--block_geometry_updates; // Don't use GeometryUpdatesBlocker, it would now set the geometry
disownDataPassedToDeleted();
del->unrefWindow();
checkNonExistentClients();
deleteClient(this, Allowed);
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);
emit clientClosed(this);
if (scene) {
scene->windowClosed(this, del);
}
finishCompositing();
workspace()->discardUsedWindowRules(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();
if (clientGroup())
clientGroup()->remove(this, QRect(), true);
workspace()->removeClient(this, Allowed);
client = None; // invalidate
XDestroyWindow(display(), wrapper);
wrapper = None;
XDestroyWindow(display(), frameId());
//frame = None;
--block_geometry_updates; // Don't use GeometryUpdatesBlocker, it would now set the geometry
disownDataPassedToDeleted();
del->unrefWindow();
checkNonExistentClients();
deleteClient(this, Allowed);
}
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()) {
setMask(QRegion()); // Reset shape mask
decoration = workspace()->createDecoration(bridge);
// TODO: Check decoration's minimum size?
decoration->init();
decoration->widget()->installEventFilter(this);
XReparentWindow(display(), decoration->widget()->winId(), frameId(), 0, 0);
decoration->widget()->lower();
decoration->borders(border_left, border_right, border_top, border_bottom);
padding_left = padding_right = padding_top = padding_bottom = 0;
if (KDecorationUnstable *deco2 = dynamic_cast<KDecorationUnstable*>(decoration))
deco2->padding(padding_left, padding_right, padding_top, padding_bottom);
XMoveWindow(display(), decoration->widget()->winId(), -padding_left, -padding_top);
move(calculateGravitation(false));
plainResize(sizeForClientSize(clientSize()), ForceGeometrySet);
paintRedirector = new PaintRedirector(decoration->widget());
connect(paintRedirector, SIGNAL(paintPending()), SLOT(repaintDecorationPending()));
resizeDecorationPixmaps();
if (compositing())
discardWindowPixmap();
if (scene != NULL)
scene->windowGeometryShapeChanged(this);
if (effects != NULL)
static_cast<EffectsHandlerImpl*>(effects)->windowGeometryShapeChanged(effectWindow(), oldgeom);
} else
destroyDecoration();
if (check_workspace_pos)
checkWorkspacePosition();
blockGeometryUpdates(false);
if (!noBorder())
decoration->widget()->show();
updateFrameExtents();
}
void Client::destroyDecoration()
{
QRect oldgeom = geometry();
if (decoration != NULL) {
delete decoration;
decoration = 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);
delete paintRedirector;
paintRedirector = NULL;
decorationPixmapLeft = decorationPixmapRight = decorationPixmapTop = decorationPixmapBottom = QPixmap();
if (compositing())
discardWindowPixmap();
if (scene != NULL && !deleting)
scene->windowGeometryShapeChanged(this);
if (effects != NULL && !deleting)
static_cast<EffectsHandlerImpl*>(effects)->windowGeometryShapeChanged(effectWindow(), oldgeom);
}
}
bool Client::checkBorderSizes(bool also_resize)
{
if (decoration == NULL)
return false;
int new_left = 0, new_right = 0, new_top = 0, new_bottom = 0;
if (KDecorationUnstable *deco2 = dynamic_cast<KDecorationUnstable*>(decoration))
deco2->padding(new_left, new_right, new_top, new_bottom);
if (padding_left != new_left || padding_top != new_top)
XMoveWindow(display(), decoration->widget()->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));
plainResize(sizeForClientSize(clientSize()), ForceGeometrySet);
checkWorkspacePosition();
return true;
}
void Client::triggerDecorationRepaint()
{
if (decoration != NULL)
decoration->widget()->update();
}
void Client::layoutDecorationRects(QRect &left, QRect &top, QRect &right, QRect &bottom, Client::CoordinateMode mode) const
{
QRect r = decoration->widget()->rect();
if (mode == WindowRelative)
r.translate(-padding_left, -padding_top);
NETStrut strut = info->frameOverlap();
// Ignore the overlap strut when compositing is disabled
if (!compositing() || !Workspace::self()->decorationSupportsFrameOverlap())
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);
}
void Client::repaintDecorationPending()
{
if (compositing()) {
// The scene will update the decoration pixmaps in the next painting pass
// if it has not been already repainted before
const QRegion r = paintRedirector->scheduledRepaintRegion();
if (!r.isEmpty())
Workspace::self()->addRepaint(r.translated(x() - padding_left, y() - padding_top));
} else
ensureDecorationPixmapsPainted();
}
bool Client::decorationPixmapRequiresRepaint()
{
if (!paintRedirector)
return false;
QRegion r = paintRedirector->pendingRegion();
return !r.isEmpty();
}
void Client::ensureDecorationPixmapsPainted()
{
if (!paintRedirector)
return;
QRegion r = paintRedirector->pendingRegion();
if (r.isEmpty())
return;
QPixmap p = paintRedirector->performPendingPaint();
QRect lr, rr, tr, br;
layoutDecorationRects(lr, tr, rr, br, DecorationRelative);
repaintDecorationPixmap(decorationPixmapLeft, lr, p, r);
repaintDecorationPixmap(decorationPixmapRight, rr, p, r);
repaintDecorationPixmap(decorationPixmapTop, tr, p, r);
repaintDecorationPixmap(decorationPixmapBottom, br, p, r);
if (!compositing()) {
// Blit the pixmaps to the frame window
layoutDecorationRects(lr, tr, rr, br, WindowRelative);
#ifdef HAVE_XRENDER
if (Extensions::renderAvailable()) {
XRenderPictFormat* format = XRenderFindVisualFormat(display(), visual());
XRenderPictureAttributes pa;
pa.subwindow_mode = IncludeInferiors;
Picture pic = XRenderCreatePicture(display(), frameId(), format, CPSubwindowMode, &pa);
XRenderComposite(display(), PictOpSrc, decorationPixmapLeft.x11PictureHandle(), None, pic,
0, 0, 0, 0, lr.x(), lr.y(), lr.width(), lr.height());
XRenderComposite(display(), PictOpSrc, decorationPixmapRight.x11PictureHandle(), None, pic,
0, 0, 0, 0, rr.x(), rr.y(), rr.width(), rr.height());
XRenderComposite(display(), PictOpSrc, decorationPixmapTop.x11PictureHandle(), None, pic,
0, 0, 0, 0, tr.x(), tr.y(), tr.width(), tr.height());
XRenderComposite(display(), PictOpSrc, decorationPixmapBottom.x11PictureHandle(), None, pic,
0, 0, 0, 0, br.x(), br.y(), br.width(), br.height());
XRenderFreePicture(display(), pic); // TODO don't recreate pictures all the time?
} else
#endif
{
XGCValues values;
values.subwindow_mode = IncludeInferiors;
GC gc = XCreateGC(display(), rootWindow(), GCSubwindowMode, &values);
XCopyArea(display(), decorationPixmapLeft.handle(), frameId(), gc, 0, 0,
lr.width(), lr.height(), lr.x(), lr.y());
XCopyArea(display(), decorationPixmapRight.handle(), frameId(), gc, 0, 0,
rr.width(), rr.height(), rr.x(), rr.y());
XCopyArea(display(), decorationPixmapTop.handle(), frameId(), gc, 0, 0,
tr.width(), tr.height(), tr.x(), tr.y());
XCopyArea(display(), decorationPixmapBottom.handle(), frameId(), gc, 0, 0,
br.width(), br.height(), br.x(), br.y());
XFreeGC(display(), gc);
}
} else
XSync(display(), false);
}
void Client::repaintDecorationPixmap(QPixmap& pix, const QRect& r, const QPixmap& src, QRegion reg)
{
if (!r.isValid())
return;
QRect b = reg.boundingRect();
reg &= r;
if (reg.isEmpty())
return;
QPainter pt(&pix);
pt.translate(-r.topLeft());
pt.setCompositionMode(QPainter::CompositionMode_Source);
pt.setClipRegion(reg);
pt.drawPixmap(b.topLeft(), src);
pt.end();
}
void Client::resizeDecorationPixmaps()
{
QRect lr, rr, tr, br;
layoutDecorationRects(lr, tr, rr, br, DecorationRelative);
if (decorationPixmapTop.size() != tr.size())
decorationPixmapTop = QPixmap(tr.size());
if (decorationPixmapBottom.size() != br.size())
decorationPixmapBottom = QPixmap(br.size());
if (decorationPixmapLeft.size() != lr.size())
decorationPixmapLeft = QPixmap(lr.size());
if (decorationPixmapRight.size() != rr.size())
decorationPixmapRight = QPixmap(rr.size());
#ifdef HAVE_XRENDER
if (Extensions::renderAvailable()) {
// Make sure the pixmaps are created with alpha channels
decorationPixmapLeft.fill(Qt::transparent);
decorationPixmapRight.fill(Qt::transparent);
decorationPixmapTop.fill(Qt::transparent);
decorationPixmapBottom.fill(Qt::transparent);
}
#endif
triggerDecorationRepaint();
}
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() || !Workspace::self()->decorationSupportsFrameOverlap())
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 :
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 options()->moveResizeMaximizedWindows() changes,
* the decoration may turn on/off 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->widget()->size();
decoration->resize(newSize);
if (oldSize == newSize) {
QResizeEvent e(newSize, oldSize);
QApplication::sendEvent(decoration->widget(), &e);
} else { // oldSize != newSize
resizeDecorationPixmaps();
}
}
bool Client::noBorder() const
{
return noborder || isFullScreen();
}
bool Client::userCanSetNoBorder() const
{
return !isFullScreen() && !isShade() && (clientGroup() == NULL || !(clientGroup()->items().count() > 1));
}
void Client::setNoBorder(bool set)
{
if (!userCanSetNoBorder())
return;
set = rules()->checkNoBorder(set);
if (noborder == set)
return;
noborder = set;
updateDecoration(true, false);
updateWindowRules();
}
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 = true;
updateDecoration(true);
}
}
if (shape() && noBorder())
XShapeCombineShape(display(), frameId(), ShapeBounding,
clientPos().x(), clientPos().y(), window(), ShapeBounding, ShapeSet);
// 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
}
if (scene != NULL)
scene->windowGeometryShapeChanged(this);
if (effects != NULL)
static_cast<EffectsHandlerImpl*>(effects)->windowGeometryShapeChanged(effectWindow(), geometry());
}
static Window shape_helper_window = None;
void Client::updateInputShape()
{
if (hiddenPreview()) // Sets it to none, don't change
return;
if (Extensions::shapeInputAvailable()) {
// 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 == None)
shape_helper_window = XCreateSimpleWindow(display(), rootWindow(),
0, 0, 1, 1, 0, 0, 0);
XResizeWindow(display(), shape_helper_window, width(), height());
XShapeCombineShape(display(), shape_helper_window, ShapeInput, 0, 0,
frameId(), ShapeBounding, ShapeSet);
XShapeCombineShape(display(), shape_helper_window, ShapeInput,
clientPos().x(), clientPos().y(), window(), ShapeBounding, ShapeSubtract);
XShapeCombineShape(display(), shape_helper_window, ShapeInput,
clientPos().x(), clientPos().y(), window(), ShapeInput, ShapeUnion);
XShapeCombineShape(display(), frameId(), ShapeInput, 0, 0,
shape_helper_window, ShapeInput, ShapeSet);
}
}
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;
Window shape_window = frameId();
if (shape()) {
// The same way of applying a shape without strange intermediate states like above
if (shape_helper_window == None)
shape_helper_window = XCreateSimpleWindow(display(), rootWindow(),
0, 0, 1, 1, 0, 0, 0);
shape_window = shape_helper_window;
}
if (_mask.isEmpty())
XShapeCombineMask(display(), shape_window, ShapeBounding, 0, 0, None, ShapeSet);
else if (mode == X::Unsorted)
XShapeCombineRegion(display(), shape_window, ShapeBounding, 0, 0, _mask.handle(), ShapeSet);
else {
QVector< QRect > rects = _mask.rects();
XRectangle* xrects = new XRectangle[rects.count()];
for (int i = 0; i < rects.count(); ++i) {
xrects[i].x = rects[i].x();
xrects[i].y = rects[i].y();
xrects[i].width = rects[i].width();
xrects[i].height = rects[i].height();
}
XShapeCombineRectangles(display(), shape_window, ShapeBounding, 0, 0,
xrects, rects.count(), ShapeSet, mode);
delete[] xrects;
}
if (shape()) {
// The rest of the applyign using a temporary window
XRectangle rec = { 0, 0, clientSize().width(), clientSize().height() };
XShapeCombineRectangles(display(), shape_helper_window, ShapeBounding,
clientPos().x(), clientPos().y(), &rec, 1, ShapeSubtract, Unsorted);
XShapeCombineShape(display(), shape_helper_window, ShapeBounding,
clientPos().x(), clientPos().y(), window(), ShapeBounding, ShapeUnion);
XShapeCombineShape(display(), frameId(), ShapeBounding, 0, 0,
shape_helper_window, ShapeBounding, ShapeSet);
}
if (scene != NULL)
scene->windowGeometryShapeChanged(this);
if (effects != NULL)
static_cast<EffectsHandlerImpl*>(effects)->windowGeometryShapeChanged(effectWindow(), 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())
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;
}
/**
* Minimizes this client plus its transients
*/
void Client::minimize(bool avoid_animation)
{
if (!isMinimizable() || isMinimized())
return;
//Scripting call. Does not use a signal/slot mechanism
//as ensuring connections was a bit difficult between
//so many clients and the workspace
SWrapper::WorkspaceProxy* ws_wrap = SWrapper::WorkspaceProxy::instance();
if (ws_wrap != 0) {
ws_wrap->sl_clientMinimized(this);
}
emit s_minimized();
Notify::raise(Notify::Minimize);
minimized = true;
updateVisibility();
updateAllowedActions();
workspace()->updateMinimizedOfTransients(this);
updateWindowRules();
workspace()->updateFocusChains(this, Workspace::FocusChainMakeLast);
// TODO: merge signal with s_minimized
emit clientMinimized(this, !avoid_animation);
// when tiling, request a rearrangement
workspace()->notifyTilingWindowMinimizeToggled(this);
// Update states of all other windows in this group
if (clientGroup())
clientGroup()->updateStates(this);
}
void Client::unminimize(bool avoid_animation)
{
if (!isMinimized())
return;
SWrapper::WorkspaceProxy* ws_wrap = SWrapper::WorkspaceProxy::instance();
if (ws_wrap != 0) {
ws_wrap->sl_clientUnminimized(this);
}
emit s_unminimized();
Notify::raise(Notify::UnMinimize);
minimized = false;
updateVisibility();
updateAllowedActions();
workspace()->updateMinimizedOfTransients(this);
updateWindowRules();
workspace()->updateAllTiles();
emit clientUnminimized(this, !avoid_animation);
// when tiling, request a rearrangement
workspace()->notifyTilingWindowMinimizeToggled(this);
// Update states of all other windows in this group
if (clientGroup())
clientGroup()->updateStates(this);
}
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();
}
void Client::setShade(ShadeMode mode)
{
if (!isShadeable())
return;
mode = rules()->checkShade(mode);
if (shade_mode == mode)
return;
bool was_shade = isShade();
ShadeMode was_shade_mode = shade_mode;
shade_mode = mode;
if (was_shade == isShade()) {
if (decoration != NULL) // Decoration may want to update after e.g. hover-shade changes
decoration->shadeChange();
return; // No real change in shaded state
}
if (shade_mode == ShadeNormal) {
if (isShown(true) && isOnCurrentDesktop())
Notify::raise(Notify::ShadeUp);
} else if (shade_mode == ShadeNone) {
if (isShown(true) && isOnCurrentDesktop())
Notify::raise(Notify::ShadeDown);
}
assert(decoration != NULL); // noborder windows can't be shaded
GeometryUpdatesBlocker blocker(this);
// Decorations may turn off some borders when shaded
if (decoration)
decoration->borders(border_left, border_right, border_top, border_bottom);
// 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);
XSelectInput(display(), wrapper, ClientWinMask); // Avoid getting UnmapNotify
XUnmapWindow(display(), wrapper);
XUnmapWindow(display(), client);
XSelectInput(display(), wrapper, ClientWinMask | SubstructureNotifyMask);
plainResize(s);
shade_geometry_change = false;
if (isActive()) {
if (was_shade_mode == ShadeHover)
workspace()->activateNextClient(this);
else
workspace()->focusToNull();
}
} else {
shade_geometry_change = true;
QSize s(sizeForClientSize(clientSize()));
shade_geometry_change = false;
plainResize(s);
if (shade_mode == ShadeHover || shade_mode == ShadeActivated)
setActive(true);
XMapWindow(display(), wrapperId());
XMapWindow(display(), window());
if (isActive())
workspace()->requestFocus(this);
}
checkMaximizeGeometry();
info->setState(isShade() ? NET::Shaded : 0, NET::Shaded);
info->setState(isShown(false) ? 0 : NET::Hidden, NET::Hidden);
discardWindowPixmap();
updateVisibility();
updateAllowedActions();
if (decoration)
decoration->shadeChange();
updateWindowRules();
// Update states of all other windows in this group
if (clientGroup())
clientGroup()->updateStates(this);
}
void Client::shadeHover()
{
setShade(ShadeHover);
cancelShadeHoverTimer();
}
void Client::shadeUnhover()
{
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 && (clientGroup() == NULL || clientGroup()->visible() == this)) {
info->setState(NET::Hidden, NET::Hidden);
setSkipTaskbar(true, false); // Also hide from taskbar
if (compositing() && options->hiddenPreviews == HiddenPreviewsAlways)
internalKeep(Allowed);
else
internalHide(Allowed);
return;
}
if (clientGroup() == NULL || clientGroup()->visible() == this)
setSkipTaskbar(original_skip_taskbar, false); // Reset from 'hidden'
if (minimized) {
info->setState(NET::Hidden, NET::Hidden);
if (compositing() && options->hiddenPreviews == HiddenPreviewsAlways)
internalKeep(Allowed);
else
internalHide(Allowed);
return;
}
info->setState(0, NET::Hidden);
if (!isOnCurrentDesktop()) {
if (compositing() && options->hiddenPreviews != HiddenPreviewsNever)
internalKeep(Allowed);
else
internalHide(Allowed);
return;
}
if (!isOnCurrentActivity()) {
if (compositing() && options->hiddenPreviews != HiddenPreviewsNever)
internalKeep(Allowed);
else
internalHide(Allowed);
return;
}
bool belongs_to_desktop = false;
for (ClientList::ConstIterator it = group()->members().constBegin();
it != group()->members().constEnd();
++it)
if ((*it)->isDesktop()) {
belongs_to_desktop = true;
break;
}
if (!belongs_to_desktop && workspace()->showingDesktop())
workspace()->resetShowingDesktop(true);
internalShow(Allowed);
}
/**
* Sets the client window's mapping state. Possible values are
* WithdrawnState, IconicState, NormalState.
*/
void Client::exportMappingState(int s)
{
assert(client != None);
assert(!deleting || s == WithdrawnState);
if (s == WithdrawnState) {
XDeleteProperty(display(), window(), atoms->wm_state);
return;
}
assert(s == NormalState || s == IconicState);
unsigned long data[2];
data[0] = (unsigned long) s;
data[1] = (unsigned long) None;
XChangeProperty(display(), window(), atoms->wm_state, atoms->wm_state, 32,
PropModeReplace, (unsigned char*)(data), 2);
}
void Client::internalShow(allowed_t)
{
if (mapping_state == Mapped)
return;
MappingState old = mapping_state;
mapping_state = Mapped;
if (old == Unmapped || old == Withdrawn)
map(Allowed);
if (old == Kept)
updateHiddenPreview();
workspace()->checkUnredirect();
}
void Client::internalHide(allowed_t)
{
if (mapping_state == Unmapped)
return;
MappingState old = mapping_state;
mapping_state = Unmapped;
if (old == Mapped || old == Kept)
unmap(Allowed);
if (old == Kept)
updateHiddenPreview();
addWorkspaceRepaint(visibleRect());
workspace()->clientHidden(this);
workspace()->checkUnredirect();
}
void Client::internalKeep(allowed_t)
{
assert(compositing());
if (mapping_state == Kept)
return;
MappingState old = mapping_state;
mapping_state = Kept;
if (old == Unmapped || old == Withdrawn)
map(Allowed);
updateHiddenPreview();
addWorkspaceRepaint(visibleRect());
workspace()->clientHidden(this);
workspace()->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(allowed_t)
{
// 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->widget()->show(); // Not really necessary, but let it know the state
XMapWindow(display(), frameId());
if (!isShade()) {
XMapWindow(display(), wrapper);
XMapWindow(display(), client);
exportMappingState(NormalState);
} else
exportMappingState(IconicState);
}
/**
* Unmaps the client. Again, this is about the frame.
*/
void Client::unmap(allowed_t)
{
// 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.
XSelectInput(display(), wrapper, ClientWinMask); // Avoid getting UnmapNotify
XUnmapWindow(display(), frameId());
XUnmapWindow(display(), wrapper);
XUnmapWindow(display(), client);
XSelectInput(display(), wrapper, ClientWinMask | SubstructureNotifyMask);
if (decoration != NULL)
decoration->widget()->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 (Extensions::shapeInputAvailable())
XShapeCombineRectangles(display(), frameId(), ShapeInput, 0, 0, NULL, 0, ShapeSet, Unsorted);
} else {
workspace()->forceRestacking();
updateInputShape();
}
}
void Client::sendClientMessage(Window w, Atom a, Atom protocol, long data1, long data2, long data3)
{
XEvent ev;
long mask;
memset(&ev, 0, sizeof(ev));
ev.xclient.type = ClientMessage;
ev.xclient.window = w;
ev.xclient.message_type = a;
ev.xclient.format = 32;
ev.xclient.data.l[0] = protocol;
ev.xclient.data.l[1] = xTime();
ev.xclient.data.l[2] = data1;
ev.xclient.data.l[3] = data2;
ev.xclient.data.l[4] = data3;
mask = 0L;
if (w == rootWindow())
mask = SubstructureRedirectMask; // Magic!
XSendEvent(display(), w, False, mask, &ev);
}
/**
* 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) {
Notify::raise(Notify::Close);
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()
{
kDebug(1212) << "Client::killWindow():" << caption();
// Not sure if we need an Notify::Kill or not.. until then, use
// Notify::Close
Notify::raise(Notify::Close);
if (isDialog())
Notify::raise(Notify::TransDelete);
if (isNormalWindow())
Notify::raise(Notify::Delete);
killProcess(false);
XKillClient(display(), window()); // 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);
ping_timestamp = xTime();
workspace()->sendPingToWindow(window(), ping_timestamp);
}
void Client::gotPing(Time timestamp)
{
// Just plain compare is not good enough because of 64bit and truncating and whatnot
if (NET::timestampCompare(timestamp, ping_timestamp) != 0)
return;
delete ping_timer;
ping_timer = NULL;
if (process_killer != NULL) {
process_killer->kill();
// Recycle when the process manager has noticed that the process exited
// a delete process_killer here sometimes causes a hang in waitForFinished
connect(process_killer, SIGNAL(finished(int, QProcess::ExitStatus)),
process_killer, SLOT(deleteLater()));
process_killer = NULL;
}
}
void Client::pingTimeout()
{
kDebug(1212) << "Ping timeout:" << caption();
ping_timer->deleteLater();
ping_timer = NULL;
killProcess(true, ping_timestamp);
}
void Client::killProcess(bool ask, Time timestamp)
{
if (process_killer != NULL)
return;
Q_ASSERT(!ask || timestamp != CurrentTime);
QByteArray machine = wmClientMachine(true);
pid_t pid = info->pid();
if (pid <= 0 || machine.isEmpty()) // Needed properties missing
return;
kDebug(1212) << "Kill process:" << pid << "(" << machine << ")";
if (!ask) {
if (machine != "localhost") {
QStringList lst;
lst << machine << "kill" << QString::number(pid);
QProcess::startDetached("xon", lst);
} else
::kill(pid, SIGTERM);
} else {
process_killer = new QProcess(this);
connect(process_killer, SIGNAL(error(QProcess::ProcessError)), SLOT(processKillerExited()));
connect(process_killer, SIGNAL(finished(int, QProcess::ExitStatus)), SLOT(processKillerExited()));
process_killer->start(KStandardDirs::findExe("kwin_killer_helper"),
QStringList() << "--pid" << QByteArray().setNum(unsigned(pid)) << "--hostname" << machine
<< "--windowname" << caption()
<< "--applicationname" << resourceClass()
<< "--wid" << QString::number(window())
<< "--timestamp" << QString::number(timestamp));
}
}
void Client::processKillerExited()
{
kDebug(1212) << "Killer exited";
delete process_killer;
process_killer = NULL;
}
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 : 0, NET::SkipTaskbar);
updateWindowRules();
if (was_wants_tab_focus != wantsTabFocus())
workspace()->updateFocusChains(this,
isActive() ? Workspace::FocusChainMakeFirst : Workspace::FocusChainUpdate);
}
void Client::setSkipPager(bool b)
{
b = rules()->checkSkipPager(b);
if (b == skipPager())
return;
skip_pager = b;
info->setState(b ? NET::SkipPager : 0, NET::SkipPager);
updateWindowRules();
}
void Client::setSkipSwitcher(bool set)
{
set = rules()->checkSkipSwitcher(set);
if (set == skipSwitcher())
return;
skip_switcher = set;
updateWindowRules();
}
void Client::setModal(bool m)
{
// Qt-3.2 can have even modal normal windows :(
if (modal == m)
return;
modal = m;
if (!modal)
return;
// 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)
{
if (desktop != NET::OnAllDesktops) // Do range check
desktop = qMax(1, qMin(workspace()->numberOfDesktops(), desktop));
desktop = qMin(workspace()->numberOfDesktops(), rules()->checkDesktop(desktop));
if (desk == desktop)
return;
int was_desk = desk;
desk = desktop;
info->setDesktop(desktop);
if ((was_desk == NET::OnAllDesktops) != (desktop == NET::OnAllDesktops)) {
// onAllDesktops changed
if (isShown(true))
Notify::raise(isOnAllDesktops() ? Notify::OnAllDesktops : Notify::NotOnAllDesktops);
workspace()->updateOnAllDesktopsOfTransients(this);
}
if (decoration != NULL)
decoration->desktopChange();
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);
}
workspace()->updateFocusChains(this, Workspace::FocusChainMakeFirst);
updateVisibility();
updateWindowRules();
// Update states of all other windows in this group
if (clientGroup())
clientGroup()->updateStates(this);
}
/**
* 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)
{
QStringList newActivitiesList = activities();
if (newActivitiesList.contains(activity) == enable) //nothing to do
return;
if (enable) {
QStringList allActivities = workspace()->activityList();
if (!allActivities.contains(activity)) //bogus ID
return;
newActivitiesList.append(activity);
} else
newActivitiesList.removeOne(activity);
setOnActivities(newActivitiesList);
}
/**
* set exactly which activities this client is on
*/
void Client::setOnActivities(QStringList newActivitiesList)
{
QStringList allActivities = workspace()->activityList();
if (newActivitiesList.size() == allActivities.size() || newActivitiesList.isEmpty()) {
setOnAllActivities(true);
return;
}
QByteArray joined = newActivitiesList.join(",").toAscii();
char *data = joined.data();
activityList = newActivitiesList;
XChangeProperty(display(), window(), atoms->activities, XA_STRING, 8,
PropModeReplace, (unsigned char *)data, joined.size());
updateActivities(false);
}
/**
* update after activities changed
*/
void Client::updateActivities(bool includeTransients)
{
/* FIXME do I need this?
if ( decoration != NULL )
decoration->desktopChange();
*/
if (includeTransients)
workspace()->updateOnAllActivitiesOfTransients(this);
workspace()->updateFocusChains(this, Workspace::FocusChainMakeFirst);
updateVisibility();
updateWindowRules();
// Update states of all other windows in this group
if (clientGroup())
clientGroup()->updateStates(this);
}
/**
* 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(workspace()->currentDesktop());
// Update states of all other windows in this group
if (clientGroup())
clientGroup()->updateStates(this);
}
/**
* 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)
{
if (on == isOnAllActivities())
return;
if (on) {
activityList.clear();
XChangeProperty(display(), window(), atoms->activities, XA_STRING, 8,
PropModeReplace, (const unsigned char *)"ALL", 3);
updateActivities(true);
} else {
setOnActivity(Workspace::self()->currentActivity(), true);
workspace()->updateOnAllActivitiesOfTransients(this);
}
}
/**
* Performs activation and/or raising of the window
*/
void Client::takeActivity(int flags, bool handled, allowed_t)
{
if (!handled || !Ptakeactivity) {
if (flags & ActivityFocus)
takeFocus(Allowed);
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 )
// {
// kDebug( 1212 ) << "Repeated use of the same X timestamp for activity";
// kDebug( 1212 ) << 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(allowed_t)
{
#ifndef NDEBUG
static Time previous_focus_timestamp;
static Client* previous_client;
//if ( previous_focus_timestamp == xTime() && previous_client != this )
// {
// kDebug( 1212 ) << "Repeated use of the same X timestamp for focus";
// kDebug( 1212 ) << kBacktrace();
// }
previous_focus_timestamp = xTime();
previous_client = this;
#endif
if (rules()->checkAcceptFocus(input))
XSetInputFocus(display(), window(), RevertToPointerRoot, xTime());
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(), XA_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)
{
QString s = _s;
if (s != cap_normal || force) {
bool reset_name = force;
for (int i = 0; i < s.length(); ++i)
if (!s[i].isPrint())
s[i] = QChar(' ');
cap_normal = s;
bool was_suffix = (!cap_suffix.isEmpty());
QString machine_suffix;
if (wmClientMachine(false) != "localhost" && !isLocalMachine(wmClientMachine(false)))
machine_suffix = QString(" <@") + wmClientMachine(true) + '>' + LRM;
QString shortcut_suffix = !shortcut().isEmpty() ? (" {" + shortcut().toString() + '}') : QString();
cap_suffix = machine_suffix + shortcut_suffix;
if ((!isSpecialWindow() || isToolbar()) && workspace()->findClient(FetchNameInternalPredicate(this))) {
int i = 2;
do {
cap_suffix = machine_suffix + " <" + QString::number(i) + '>' + LRM + shortcut_suffix;
i++;
} while (workspace()->findClient(FetchNameInternalPredicate(this)));
info->setVisibleName(caption().toUtf8());
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((cap_iconic + cap_suffix).toUtf8());
if (isManaged() && decoration != NULL) {
if (client_group)
client_group->updateItems();
decoration->captionChange();
}
}
}
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(), XA_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((s + cap_suffix).toUtf8());
else if (was_set)
info->setVisibleIconName("");
}
}
}
/**
* \reimp
*/
QString Client::caption(bool full) const
{
return full ? cap_normal + cap_suffix : cap_normal;
}
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) {
map(Allowed);
hidden = false;
//updateVisibility();
//updateAllowedActions();
if (options->inactiveTabsSkipTaskbar)
setSkipTaskbar(false, false);
takeFocus(Allowed);
autoRaise();
workspace()->updateFocusChains(this, Workspace::FocusChainMakeFirst);
}
if (!shown && !hidden) {
unmap(Allowed);
hidden = true;
//updateVisibility();
//updateAllowedActions();
if (options->inactiveTabsSkipTaskbar)
setSkipTaskbar(true, false); // TODO: Causes reshuffle of the taskbar
// Don't move tabs to the end of the list when another tab get's activated
if (!clientGroup() || clientGroup()->visible() == this)
workspace()->updateFocusChains(this, Workspace::FocusChainMakeLast);
addWorkspaceRepaint(visibleRect());
}
}
void Client::getWMHints()
{
XWMHints* hints = XGetWMHints(display(), window());
input = true;
window_group = None;
urgency = false;
if (hints) {
if (hints->flags & InputHint)
input = hints->input;
if (hints->flags & WindowGroupHint)
window_group = 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::sl_activated()
{
emit s_activated();
}
void Client::getMotifHints()
{
bool mgot_noborder, mnoborder, mresize, mmove, mminimize, mmaximize, mclose;
Motif::readFlags(client, mgot_noborder, mnoborder, mresize, mmove, mminimize, mmaximize, mclose);
if (mgot_noborder) {
motif_noborder = mnoborder;
// If we just got a hint telling us to hide decorations, we do so.
if (motif_noborder)
noborder = 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 (!motif_noborder && !app_noborder)
noborder = 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
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
}
void Client::readIcons(Window win, QPixmap* icon, QPixmap* miniicon, QPixmap* bigicon, QPixmap* hugeicon)
{
// Get the icons, allow scaling
if (icon != NULL)
*icon = KWindowSystem::icon(win, 32, 32, true, KWindowSystem::NETWM | KWindowSystem::WMHints);
if (miniicon != NULL) {
if (icon == NULL || !icon->isNull())
*miniicon = KWindowSystem::icon(win, 16, 16, true, KWindowSystem::NETWM | KWindowSystem::WMHints);
else
*miniicon = QPixmap();
}
if (bigicon != NULL) {
if (icon == NULL || !icon->isNull())
*bigicon = KWindowSystem::icon(win, 64, 64, false, KWindowSystem::NETWM | KWindowSystem::WMHints);
else
*bigicon = QPixmap();
}
if (hugeicon != NULL) {
if (icon == NULL || !icon->isNull())
*hugeicon = KWindowSystem::icon(win, 128, 128, false, KWindowSystem::NETWM | KWindowSystem::WMHints);
else
*hugeicon = QPixmap();
}
}
void Client::getIcons()
{
// First read icons from the window itself
readIcons(window(), &icon_pix, &miniicon_pix, &bigicon_pix, &hugeicon_pix);
if (icon_pix.isNull()) {
// Then try window group
icon_pix = group()->icon();
miniicon_pix = group()->miniIcon();
bigicon_pix = group()->bigIcon();
hugeicon_pix = group()->hugeIcon();
}
if (icon_pix.isNull() && isTransient()) {
// Then mainclients
ClientList mainclients = mainClients();
for (ClientList::ConstIterator it = mainclients.constBegin();
it != mainclients.constEnd() && icon_pix.isNull();
++it) {
icon_pix = (*it)->icon();
miniicon_pix = (*it)->miniIcon();
bigicon_pix = (*it)->bigIcon();
hugeicon_pix = (*it)->hugeIcon();
}
}
if (icon_pix.isNull()) {
// And if nothing else, load icon from classhint or xapp icon
icon_pix = KWindowSystem::icon(window(), 32, 32, true, KWindowSystem::ClassHint | KWindowSystem::XApp);
miniicon_pix = KWindowSystem::icon(window(), 16, 16, true, KWindowSystem::ClassHint | KWindowSystem::XApp);
bigicon_pix = KWindowSystem::icon(window(), 64, 64, false, KWindowSystem::ClassHint | KWindowSystem::XApp);
hugeicon_pix = KWindowSystem::icon(window(), 128, 128, false, KWindowSystem::ClassHint | KWindowSystem::XApp);
}
if (isManaged() && decoration != NULL)
decoration->iconChange();
}
QPixmap Client::icon(const QSize& size) const
{
const int iconSize = qMin(size.width(), size.height());
if (iconSize <= 16)
return miniIcon();
else if (iconSize <= 32)
return icon();
if (iconSize <= 64)
return bigIcon();
else
return hugeIcon();
}
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()
{
#ifdef HAVE_XSYNC
if (!Extensions::syncAvailable())
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, XA_CARDINAL, &retType, &formatRet, &nItemRet, &byteRet, &propRet);
if (ret == Success && formatRet == 32) {
sync_counter = *(long*)(propRet);
XSyncIntToValue(&sync_counter_value, 0);
XSyncValue zero;
XSyncIntToValue(&zero, 0);
XSyncSetCounter(display(), sync_counter, zero);
if (sync_alarm == None) {
XSyncAlarmAttributes attrs;
attrs.trigger.counter = sync_counter;
attrs.trigger.value_type = XSyncRelative;
attrs.trigger.test_type = XSyncPositiveTransition;
XSyncIntToValue(&attrs.trigger.wait_value, 1);
XSyncIntToValue(&attrs.delta, 1);
sync_alarm = XSyncCreateAlarm(display(),
XSyncCACounter | XSyncCAValueType | XSyncCATestType | XSyncCADelta | XSyncCAValue,
&attrs);
}
}
if (ret == Success)
XFree(propRet);
#endif
}
/**
* Send the client a _NET_SYNC_REQUEST
*/
void Client::sendSyncRequest()
{
#ifdef HAVE_XSYNC
if (sync_counter == None)
return;
// We increment before the notify so that after the notify
// syncCounterSerial will equal the value we are expecting
// in the acknowledgement
int overflow;
XSyncValue one;
XSyncIntToValue(&one, 1);
#undef XSyncValueAdd // It causes a warning :-/
XSyncValueAdd(&sync_counter_value, sync_counter_value, one, &overflow);
// 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] = XSyncValueLow32(sync_counter_value);
ev.xclient.data.l[3] = XSyncValueHigh32(sync_counter_value);
ev.xclient.data.l[4] = 0;
XSendEvent(display(), window(), False, NoEventMask, &ev);
XSync(display(), false);
#endif
}
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() || isTopMenu() || isToolbar();
}
/**
* Sets an appropriate cursor shape for the logical mouse position \a m
*/
void Client::updateCursor()
{
Position m = mode;
if (!isResizable() || isShade())
m = PositionCenter;
QCursor c;
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.handle() == cursor.handle())
return;
cursor = c;
if (decoration != NULL)
decoration->widget()->setCursor(cursor);
XDefineCursor(display(), frameId(), cursor.handle());
if (moveResizeMode) // XDefineCursor doesn't change cursor if there's pointer grab active
XChangeActivePointerGrab(display(),
ButtonPressMask | ButtonReleaseMask | PointerMotionMask | EnterWindowMask | LeaveWindowMask,
cursor.handle(), xTime());
}
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;
unsigned long old_allowed_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);
if (decoration)
decoration->reset(KDecoration::SettingButtons);
}
void Client::autoRaise()
{
workspace()->raiseClient(this);
cancelAutoRaise();
}
void Client::cancelAutoRaise()
{
delete autoRaiseTimer;
autoRaiseTimer = 0;
}
void Client::debug(QDebug& stream) const
{
stream << "\'ID:" << window() << ";WMCLASS:" << resourceClass() << ":"
<< resourceName() << ";Caption:" << caption() << "\'";
}
QPixmap* kwin_get_menu_pix_hack()
{
static QPixmap p;
if (p.isNull())
p = SmallIcon("bx2");
return &p;
}
void Client::checkActivities()
{
QStringList newActivitiesList;
QByteArray prop = getStringProperty(window(), atoms->activities);
activitiesDefined = !prop.isEmpty();
if (prop == "ALL") {
//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(prop).split(',');
if (newActivitiesList == activityList)
return; //expected change, it's ok.
//otherwise, somebody else changed it. we need to validate before reacting
QStringList allActivities = workspace()->activityList();
if (allActivities.isEmpty()) {
kDebug() << "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))) {
kDebug() << "invalid:" << newActivitiesList.at(i);
newActivitiesList.removeAt(i--);
}
}
setOnActivities(newActivitiesList);
}
void Client::setSessionInteract(bool needed)
{
needsSessionInteract = needed;
}
} // namespace
#include "client.moc"
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