Check for references to no longer existing windows in transiency checks

only when the list of windows is in consistent state.


svn path=/trunk/KDE/kdebase/workspace/; revision=613681
This commit is contained in:
Luboš Luňák 2006-12-14 16:32:55 +00:00
parent c271dd819a
commit 0cbf093fdd
4 changed files with 199 additions and 160 deletions

View file

@ -28,7 +28,6 @@ License. See the file "COPYING" for the exact licensing terms.
#include "atoms.h"
#include "notifications.h"
#include "rules.h"
#include "scene.h"
#include <X11/extensions/shape.h>
#include <QX11Info>
@ -64,10 +63,12 @@ namespace KWinInternal
is done in manage().
*/
Client::Client( Workspace *ws )
: Toplevel( ws ),
: QObject( NULL ),
client( None ),
wrapper( None ),
frame( None ),
decoration( NULL ),
wspace( ws ),
bridge( new Bridge( this )),
move_faked_activity( false ),
move_resize_grab_window( None ),
@ -81,7 +82,7 @@ Client::Client( Workspace *ws )
process_killer( NULL ),
user_time( CurrentTime ), // not known yet
allowed_actions( 0 ),
block_geometry_updates( 0 ),
postpone_geometry_updates( 0 ),
pending_geometry_update( false ),
shade_geometry_change( false ),
border_left( 0 ),
@ -110,6 +111,7 @@ Client::Client( Workspace *ws )
deleting = false;
keep_above = false;
keep_below = false;
is_shape = false;
motif_noborder = false;
motif_may_move = true;
motif_may_resize = true;
@ -122,7 +124,6 @@ Client::Client( Workspace *ws )
modal = false;
noborder = false;
user_noborder = false;
not_obscured = false;
urgency = false;
ignore_focus_stealing = false;
demands_attention = false;
@ -141,7 +142,7 @@ Client::Client( Workspace *ws )
cmap = None;
geom = QRect( 0, 0, 100, 100 ); // so that decorations don't start with size being (0,0)
frame_geometry = QRect( 0, 0, 100, 100 ); // so that decorations don't start with size being (0,0)
client_size = QSize( 100, 100 );
// SELI initialize xsizehints??
@ -154,10 +155,9 @@ Client::~Client()
{
assert(!moveResizeMode);
assert( client == None );
assert( wrapper == None );
// assert( frameId() == None );
assert( frame == None && wrapper == None );
assert( decoration == NULL );
assert( block_geometry_updates == 0 );
assert( postpone_geometry_updates == 0 );
assert( !check_active_modal );
delete info;
delete bridge;
@ -176,15 +176,15 @@ void Client::releaseWindow( bool on_shutdown )
{
assert( !deleting );
deleting = true;
finishCompositing();
workspace()->discardUsedWindowRules( this, true ); // remove ForceTemporarily rules
StackingUpdatesBlocker blocker( workspace());
if (moveResizeMode)
leaveMoveResize();
finishWindowRules();
++block_geometry_updates;
if( isNormalState()) // is mapped?
workspace()->addDamage( geometry());
++postpone_geometry_updates;
// 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();
setMappingState( 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)
@ -222,10 +222,12 @@ void Client::releaseWindow( bool on_shutdown )
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
XDestroyWindow( display(), frame );
frame = None;
--postpone_geometry_updates; // don't use GeometryUpdatesBlocker, it would now set the geometry
deleteClient( this, Allowed );
ungrabXServer();
checkNonExistentClients();
}
// like releaseWindow(), but this one is called when the window has been already destroyed
@ -234,15 +236,12 @@ void Client::destroyClient()
{
assert( !deleting );
deleting = true;
finishCompositing();
workspace()->discardUsedWindowRules( this, true ); // remove ForceTemporarily rules
StackingUpdatesBlocker blocker( workspace());
if (moveResizeMode)
leaveMoveResize();
finishWindowRules();
++block_geometry_updates;
if( isNormalState()) // is mapped?
workspace()->addDamage( geometry());
++postpone_geometry_updates;
setModal( false );
hidden = true; // so that it's not considered visible anymore
workspace()->clientHidden( this );
@ -252,10 +251,11 @@ void Client::destroyClient()
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
XDestroyWindow( display(), frame );
frame = None;
--postpone_geometry_updates; // don't use GeometryUpdatesBlocker, it would now set the geometry
deleteClient( this, Allowed );
checkNonExistentClients();
}
void Client::updateDecoration( bool check_workspace_pos, bool force )
@ -264,11 +264,12 @@ void Client::updateDecoration( bool check_workspace_pos, bool force )
|| ( decoration != NULL && !noBorder())))
return;
bool do_show = false;
blockGeometryUpdates( true );
postponeGeometryUpdates( true );
if( force )
destroyDecoration();
if( !noBorder())
{
setMask( QRegion()); // reset shape mask
decoration = workspace()->createDecoration( bridge );
// TODO check decoration's minimum size?
decoration->init();
@ -283,18 +284,15 @@ void Client::updateDecoration( bool check_workspace_pos, bool force )
workarea_diff_x = save_workarea_diff_x;
workarea_diff_y = save_workarea_diff_y;
do_show = true;
if( scene != NULL )
scene->windowGeometryShapeChanged( this );
}
else
destroyDecoration();
if( check_workspace_pos )
checkWorkspacePosition();
blockGeometryUpdates( false );
postponeGeometryUpdates( false );
if( do_show )
decoration->widget()->show();
updateFrameExtents();
addDamageFull();
}
void Client::destroyDecoration()
@ -312,9 +310,6 @@ void Client::destroyDecoration()
move( grav );
workarea_diff_x = save_workarea_diff_x;
workarea_diff_y = save_workarea_diff_y;
if( scene != NULL )
scene->windowGeometryShapeChanged( this );
addDamageFull();
}
}
@ -327,7 +322,7 @@ void Client::checkBorderSizes()
if( new_left == border_left && new_right == border_right
&& new_top == border_top && new_bottom == border_bottom )
return;
GeometryUpdatesBlocker blocker( this );
GeometryUpdatesPostponer blocker( this );
move( calculateGravitation( true ));
border_left = new_left;
border_right = new_right;
@ -344,7 +339,7 @@ void Client::checkBorderSizes()
void Client::detectNoBorder()
{
if( shape())
if( Shape::hasShape( window()))
{
noborder = true;
return;
@ -432,22 +427,47 @@ void Client::setUserNoBorder( bool set )
void Client::updateShape()
{
if ( shape() )
XShapeCombineShape(display(), frameId(), ShapeBounding,
clientPos().x(), clientPos().y(),
window(), ShapeBounding, ShapeSet);
else
XShapeCombineMask( display(), frameId(), ShapeBounding, 0, 0,
None, ShapeSet);
if( scene != NULL )
scene->windowGeometryShapeChanged( this );
addDamageFull();
// workaround for #19644 - shaped windows shouldn't have decoration
if( shape() && !noBorder())
{
noborder = true;
updateDecoration( true );
}
if( shape())
{
XShapeCombineShape(display(), frameId(), ShapeBounding,
clientPos().x(), clientPos().y(),
window(), ShapeBounding, ShapeSet);
}
// !shape() mask setting is done in setMask() when the decoration
// calls it or when the decoration is created/destroyed
if( Shape::version() >= 0x11 ) // 1.1, has input shape support
{ // 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)
static Window helper_window = None;
if( helper_window == None )
helper_window = XCreateSimpleWindow( display(), rootWindow(),
0, 0, 1, 1, 0, 0, 0 );
XResizeWindow( display(), helper_window, width(), height());
XShapeCombineShape( display(), helper_window, ShapeInput, 0, 0,
frameId(), ShapeBounding, ShapeSet );
XShapeCombineShape( display(), helper_window, ShapeInput,
clientPos().x(), clientPos().y(),
window(), ShapeBounding, ShapeSubtract );
XShapeCombineShape( display(), helper_window, ShapeInput,
clientPos().x(), clientPos().y(),
window(), ShapeInput, ShapeUnion );
XShapeCombineShape( display(), frameId(), ShapeInput, 0, 0,
helper_window, ShapeInput, ShapeSet );
}
}
void Client::setMask( const QRegion& reg, int mode )
@ -476,9 +496,7 @@ void Client::setMask( const QRegion& reg, int mode )
xrects, rects.count(), ShapeSet, mode );
delete[] xrects;
}
if( scene != NULL )
scene->windowGeometryShapeChanged( this );
addDamageFull();
updateShape();
}
QRegion Client::mask() const
@ -727,7 +745,7 @@ void Client::setShade( ShadeMode mode )
}
assert( decoration != NULL ); // noborder windows can't be shaded
GeometryUpdatesBlocker blocker( this );
GeometryUpdatesPostponer blocker( this );
// decorations may turn off some borders when shaded
decoration->borders( border_left, border_right, border_top, border_bottom );
@ -774,13 +792,9 @@ void Client::setShade( ShadeMode mode )
// tell xcompmgr shade's done
_shade = 2;
XChangeProperty(display(), frameId(), atoms->net_wm_window_shade, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &_shade, 1L);
if( isNormalState()) // is mapped?
workspace()->addDamage( geometry());
}
else
{
if( isNormalState()) // is mapped?
workspace()->addDamage( geometry());
int h = height();
shade_geometry_change = true;
QSize s( sizeForClientSize( clientSize()));
@ -915,8 +929,8 @@ void Client::setMappingState(int s)
XChangeProperty(display(), window(), atoms->wm_state, atoms->wm_state, 32,
PropModeReplace, (unsigned char *)data, 2);
if( was_unmanaged ) // manage() did block_geometry_updates = 1, now it's ok to finally set the geometry
blockGeometryUpdates( false );
if( was_unmanaged ) // manage() did postpone_geometry_updates = 1, now it's ok to finally set the geometry
postponeGeometryUpdates( false );
}
/*!
@ -927,7 +941,7 @@ void Client::rawShow()
{
if( decoration != NULL )
decoration->widget()->show(); // not really necessary, but let it know the state
XMapWindow( display(), frameId());
XMapWindow( display(), frame );
if( !isShade())
{
XMapWindow( display(), wrapper );
@ -942,7 +956,6 @@ void Client::rawShow()
*/
void Client::rawHide()
{
workspace()->addDamage( geometry());
// 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,
@ -950,7 +963,7 @@ void Client::rawHide()
// 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(), frame );
XUnmapWindow( display(), wrapper );
XUnmapWindow( display(), client );
XSelectInput( display(), wrapper, ClientWinMask | SubstructureNotifyMask );
@ -1295,7 +1308,7 @@ QString Client::readName() const
return KWin::readNameProperty( window(), XA_WM_NAME );
}
KWIN_COMPARE_PREDICATE( FetchNameInternalPredicate, Client, const Client*, (!cl->isSpecialWindow() || cl->isToolbar()) && cl != value && cl->caption() == value->caption());
KWIN_COMPARE_PREDICATE( FetchNameInternalPredicate, const Client*, (!cl->isSpecialWindow() || cl->isToolbar()) && cl != value && cl->caption() == value->caption());
void Client::setCaption( const QString& _s, bool force )
{
@ -1612,6 +1625,58 @@ bool Client::wantsInput() const
return rules()->checkAcceptFocus( input || Ptakefocus );
}
bool Client::isDesktop() const
{
return windowType() == NET::Desktop;
}
bool Client::isDock() const
{
return windowType() == NET::Dock;
}
bool Client::isTopMenu() const
{
return windowType() == NET::TopMenu;
}
bool Client::isMenu() const
{
return windowType() == NET::Menu && !isTopMenu(); // because of backwards comp.
}
bool Client::isToolbar() const
{
return windowType() == NET::Toolbar;
}
bool Client::isSplash() const
{
return windowType() == NET::Splash;
}
bool Client::isUtility() const
{
return windowType() == NET::Utility;
}
bool Client::isDialog() const
{
return windowType() == NET::Dialog;
}
bool Client::isNormalWindow() const
{
return windowType() == NET::Normal;
}
bool Client::isSpecialWindow() const
{
return isDesktop() || isDock() || isSplash() || isTopMenu()
|| isToolbar(); // TODO
}
NET::WindowType Client::windowType( bool direct, int supported_types ) const
{
NET::WindowType wt = info->windowType( supported_types );
@ -1643,12 +1708,6 @@ NET::WindowType Client::windowType( bool direct, int supported_types ) const
return wt;
}
bool Client::isSpecialWindow() const
{
return isDesktop() || isDock() || isSplash() || isTopMenu()
|| isToolbar(); // TODO
}
/*!
Sets an appropriate cursor shape for the logical mouse position \a m
@ -1745,24 +1804,46 @@ void Client::cancelAutoRaise()
autoRaiseTimer = 0;
}
double Client::opacity() const
#ifndef NDEBUG
kdbgstream& operator<<( kdbgstream& stream, const Client* cl )
{
if( info->opacity() == 0xffffffff )
return 1.0;
return info->opacity() * 1.0 / 0xffffffff;
if( cl == NULL )
return stream << "\'NULL_CLIENT\'";
return stream << "\'ID:" << cl->window() << ";WMCLASS:" << cl->resourceClass() << ":" << cl->resourceName() << ";Caption:" << cl->caption() << "\'";
}
void Client::setOpacity( double opacity )
kdbgstream& operator<<( kdbgstream& stream, const ClientList& list )
{
opacity = qBound( 0.0, opacity, 1.0 );
info->setOpacity( static_cast< unsigned long >( opacity * 0xffffffff ));
// we'll react on PropertyNotify
}
void Client::debug( kdbgstream& stream ) const
stream << "LIST:(";
bool first = true;
for( ClientList::ConstIterator it = list.begin();
it != list.end();
++it )
{
stream << "\'ID:" << window() << ";WMCLASS:" << resourceClass() << ":" << resourceName() << ";Caption:" << caption() << "\'";
if( !first )
stream << ":";
first = false;
stream << *it;
}
stream << ")";
return stream;
}
kdbgstream& operator<<( kdbgstream& stream, const ConstClientList& list )
{
stream << "LIST:(";
bool first = true;
for( ConstClientList::ConstIterator it = list.begin();
it != list.end();
++it )
{
if( !first )
stream << ":";
first = false;
stream << *it;
}
stream << ")";
return stream;
}
#endif
QPixmap * kwin_get_menu_pix_hack()
{

View file

@ -48,6 +48,8 @@ namespace KWinInternal
#endif
#ifdef ENABLE_TRANSIENCY_CHECK
static bool transiencyCheckNonExistent = false;
bool performTransiencyCheck()
{
bool ret = true;
@ -73,7 +75,8 @@ bool performTransiencyCheck()
it2 != mains.end();
++it2 )
{
if( !Workspace::self()->clients.contains( *it2 )
if( transiencyCheckNonExistent
&& !Workspace::self()->clients.contains( *it2 )
&& !Workspace::self()->desktops.contains( *it2 ))
{
kDebug() << "TC:" << *it1 << " has non-existent main client " << endl;
@ -93,7 +96,8 @@ bool performTransiencyCheck()
it2 != trans.end();
++it2 )
{
if( !Workspace::self()->clients.contains( *it2 )
if( transiencyCheckNonExistent
&& !Workspace::self()->clients.contains( *it2 )
&& !Workspace::self()->desktops.contains( *it2 ))
{
kDebug() << "TC:" << *it1 << " has non-existent transient " << endl;
@ -114,13 +118,16 @@ bool performTransiencyCheck()
static QString transiencyCheckStartBt;
static const Client* transiencyCheckClient;
static int transiencyCheck = 0;
static void startTransiencyCheck( const QString& bt, const Client* c )
static void startTransiencyCheck( const QString& bt, const Client* c, bool ne )
{
if( ++transiencyCheck == 1 )
{
transiencyCheckStartBt = bt;
transiencyCheckClient = c;
}
if( ne )
transiencyCheckNonExistent = true;
}
static void checkTransiency()
{
@ -132,21 +139,32 @@ static void checkTransiency()
kdDebug() << "CLIENT:" << transiencyCheckClient << endl;
assert( false );
}
transiencyCheckNonExistent = false;
}
}
class TransiencyChecker
{
public:
TransiencyChecker( const QString& bt, const Client*c ) { startTransiencyCheck( bt, c ); }
TransiencyChecker( const QString& bt, const Client*c ) { startTransiencyCheck( bt, c, false ); }
~TransiencyChecker() { checkTransiency(); }
};
void checkNonExistentClients()
{
startTransiencyCheck( kdBacktrace(), NULL, true );
checkTransiency();
}
#define TRANSIENCY_CHECK( c ) TransiencyChecker transiency_checker( kdBacktrace(), c )
#else
#define TRANSIENCY_CHECK( c )
void checkNonExistentClients()
{
}
#endif
//********************************************

103
utils.h
View file

@ -12,32 +12,6 @@ License. See the file "COPYING" for the exact licensing terms.
#ifndef KWIN_UTILS_H
#define KWIN_UTILS_H
#include <config.h>
#include <config-X11.h>
#include <X11/Xlib.h>
#ifdef HAVE_XRANDR
#include <X11/extensions/Xrandr.h>
#endif
#ifdef HAVE_XCOMPOSITE
#include <X11/extensions/Xcomposite.h>
#if XCOMPOSITE_MAJOR > 0 || XCOMPOSITE_MINOR >= 3
#define HAVE_XCOMPOSITE_OVERLAY
#endif
#endif
#ifdef HAVE_XDAMAGE
#include <X11/extensions/Xdamage.h>
#endif
#ifdef HAVE_XFIXES
#include <X11/extensions/Xfixes.h>
#endif
#include <fixx11h.h>
#include <QWidget>
#include <kmanagerselection.h>
#include <netwm_def.h>
@ -48,13 +22,6 @@ License. See the file "COPYING" for the exact licensing terms.
namespace KWinInternal
{
#ifndef HAVE_XDAMAGE
typedef long Damage;
struct XDamageNotifyEvent
{
};
#endif
const int SUPPORTED_WINDOW_TYPES_MASK = NET::NormalMask | NET::DesktopMask | NET::DockMask
| NET::ToolbarMask | NET::MenuMask | NET::DialogMask /*| NET::OverrideMask*/ | NET::TopMenuMask
| NET::UtilityMask | NET::SplashMask;
@ -72,18 +39,12 @@ const long ClientWinMask = KeyPressMask | KeyReleaseMask |
const QPoint invalidPoint( INT_MIN, INT_MIN );
class Toplevel;
class Client;
class Unmanaged;
class Group;
class Options;
typedef QList< Toplevel* > ToplevelList;
typedef QList< const Toplevel* > ConstToplevelList;
typedef QList< Client* > ClientList;
typedef QList< const Client* > ConstClientList;
typedef QList< Unmanaged* > UnmanagedList;
typedef QList< const Unmanaged* > ConstUnmanagedList;
typedef QList< Group* > GroupList;
typedef QList< const Group* > ConstGroupList;
@ -126,7 +87,6 @@ enum allowed_t { Allowed };
// some enums to have more readable code, instead of using bools
enum ForceGeometry_t { NormalGeometrySet, ForceGeometrySet };
// Areas, mostly related to Xinerama
enum clientAreaOption
{
@ -149,32 +109,24 @@ enum ShadeMode
ShadeActivated // "shaded", but visible due to alt+tab to the window
};
class Extensions
class Shape
{
public:
static bool available() { return kwin_shape_version > 0; }
static int version() { return kwin_shape_version; } // as 16*major+minor, i.e. two hex digits
static bool hasShape( WId w);
static int shapeEvent();
static void init();
static bool shapeAvailable() { return has_shape; }
static int shapeNotifyEvent();
static bool randrAvailable() { return has_randr; }
static int randrNotifyEvent();
static bool damageAvailable() { return has_damage; }
static int damageNotifyEvent();
static bool compositeAvailable() { return has_composite; }
static bool compositeOverlayAvailable() { return has_composite && has_composite_overlay; }
static bool fixesAvailable() { return has_fixes; }
static bool hasShape( Window w );
private:
static bool has_shape;
static int shape_event_base;
static bool has_randr;
static int randr_event_base;
static bool has_damage;
static int damage_event_base;
static bool has_composite;
static bool has_composite_overlay;
static bool has_fixes;
static int kwin_shape_version;
static int kwin_shape_event;
};
// compile with XShape older than 1.0
#ifndef ShapeInput
const int ShapeInput = 2;
#endif
class Motif
{
public:
@ -274,38 +226,34 @@ int displayHeight()
return XDisplayHeight( display(), DefaultScreen( display()));
}
class Scene;
extern Scene* scene;
inline bool compositing() { return scene != NULL; }
// the docs say it's UrgencyHint, but it's often #defined as XUrgencyHint
#ifndef UrgencyHint
#define UrgencyHint XUrgencyHint
#endif
// for STL-like algo's
#define KWIN_CHECK_PREDICATE( name, cls, check ) \
#define KWIN_CHECK_PREDICATE( name, check ) \
struct name \
{ \
inline bool operator()( const cls* cl ) { return check; }; \
inline bool operator()( const Client* cl ) { return check; }; \
}
#define KWIN_COMPARE_PREDICATE( name, cls, type, check ) \
#define KWIN_COMPARE_PREDICATE( name, type, check ) \
struct name \
{ \
typedef type type_helper; /* in order to work also with type being 'const Client*' etc. */ \
inline name( const type_helper& compare_value ) : value( compare_value ) {}; \
inline bool operator()( const cls* cl ) { return check; }; \
inline bool operator()( const Client* cl ) { return check; }; \
const type_helper& value; \
}
#define KWIN_PROCEDURE( name, cls, action ) \
#define KWIN_PROCEDURE( name, action ) \
struct name \
{ \
inline void operator()( cls* cl ) { action; }; \
inline void operator()( Client* cl ) { action; }; \
}
KWIN_CHECK_PREDICATE( TruePredicate, Client, cl == cl /*true, avoid warning about 'cl' */ );
KWIN_CHECK_PREDICATE( TruePredicate, cl == cl /*true, avoid warning about 'cl' */ );
template< typename T >
Client* findClientInList( const ClientList& list, T predicate )
@ -318,17 +266,6 @@ Client* findClientInList( const ClientList& list, T predicate )
return NULL;
}
template< typename T >
Unmanaged* findUnmanagedInList( const UnmanagedList& list, T predicate )
{
for ( UnmanagedList::ConstIterator it = list.begin(); it != list.end(); ++it)
{
if ( predicate( const_cast< const Unmanaged* >( *it)))
return *it;
}
return NULL;
}
inline
int timestampCompare( Time time1, Time time2 ) // like strcmp()
{
@ -343,6 +280,8 @@ Time timestampDiff( Time time1, Time time2 ) // returns time2 - time1
bool isLocalMachine( const QByteArray& host );
void checkNonExistentClients();
#ifndef KCMRULES
// Qt dialogs emit no signal when closed :(
class ShortcutDialog

View file

@ -516,6 +516,7 @@ void Workspace::addClient( Client* c, allowed_t )
updateStackingOrder( true ); // propagate new client
if( c->isUtility() || c->isMenu() || c->isToolbar())
updateToolWindows( true );
checkNonExistentClients();
}
/*