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kwin/manage.cpp

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/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 1999, 2000 Matthias Ettrich <ettrich@kde.org>
Copyright (C) 2003 Lubos Lunak <l.lunak@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
// This file contains things relevant to handling incoming events.
#include "client.h"
#include <kstartupinfo.h>
#include <kglobal.h>
#include <X11/extensions/shape.h>
#include "notifications.h"
#include <QX11Info>
#include "rules.h"
#include "group.h"
#ifdef KWIN_BUILD_SCRIPTING
#include "scripting/workspaceproxy.h"
#endif
namespace KWin
{
/**
* Manages the clients. This means handling the very first maprequest:
* reparenting, initial geometry, initial state, placement, etc.
* Returns false if KWin is not going to manage this window.
*/
bool Client::manage(Window w, bool isMapped)
{
StackingUpdatesBlocker stacking_blocker(workspace());
#ifdef KWIN_BUILD_SCRIPTING
//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_clientManaging(this);
}
#endif
grabXServer();
XWindowAttributes attr;
if (!XGetWindowAttributes(display(), w, &attr)) {
ungrabXServer();
return false;
}
// From this place on, manage() must not return false
block_geometry_updates = 1;
pending_geometry_update = PendingGeometryForced; // Force update when finishing with geometry changes
embedClient(w, attr);
vis = attr.visual;
bit_depth = attr.depth;
// SELI TODO: Order all these things in some sane manner
bool init_minimize = false;
XWMHints* hints = XGetWMHints(display(), w);
if (hints && (hints->flags & StateHint) && hints->initial_state == IconicState)
init_minimize = true;
if (hints)
XFree(hints);
if (isMapped)
init_minimize = false; // If it's already mapped, ignore hint
unsigned long properties[2];
properties[WinInfo::PROTOCOLS] =
NET::WMDesktop |
NET::WMState |
NET::WMWindowType |
NET::WMStrut |
NET::WMName |
NET::WMIconGeometry |
NET::WMIcon |
NET::WMPid |
NET::WMIconName |
0;
properties[WinInfo::PROTOCOLS2] =
NET::WM2UserTime |
NET::WM2StartupId |
NET::WM2ExtendedStrut |
NET::WM2Opacity |
NET::WM2FullscreenMonitors |
NET::WM2FrameOverlap |
0;
info = new WinInfo(this, display(), client, rootWindow(), properties, 2);
cmap = attr.colormap;
getResourceClass();
getWindowRole();
getWmClientLeader();
getWmClientMachine();
getSyncCounter();
// First only read the caption text, so that setupWindowRules() can use it for matching,
// and only then really set the caption using setCaption(), which checks for duplicates etc.
// and also relies on rules already existing
cap_normal = readName();
setupWindowRules(false);
ignore_focus_stealing = options->checkIgnoreFocusStealing(this); // TODO: Change to rules
setCaption(cap_normal, true);
if (Extensions::shapeAvailable())
XShapeSelectInput(display(), window(), ShapeNotifyMask);
detectShape(window());
detectNoBorder();
fetchIconicName();
getWMHints(); // Needs to be done before readTransient() because of reading the group
modal = (info->state() & NET::Modal) != 0; // Needs to be valid before handling groups
readTransient();
getIcons();
getWindowProtocols();
getWmNormalHints(); // Get xSizeHint
getMotifHints();
getWmOpaqueRegion();
// TODO: Try to obey all state information from info->state()
original_skip_taskbar = skip_taskbar = (info->state() & NET::SkipTaskbar) != 0;
skip_pager = (info->state() & NET::SkipPager) != 0;
setupCompositing();
KStartupInfoId asn_id;
KStartupInfoData asn_data;
bool asn_valid = workspace()->checkStartupNotification(window(), asn_id, asn_data);
workspace()->updateClientLayer(this);
SessionInfo* session = workspace()->takeSessionInfo(this);
if (session) {
init_minimize = session->minimized;
noborder = session->noBorder;
}
setShortcut(rules()->checkShortcut(session ? session->shortcut : QString(), true));
init_minimize = rules()->checkMinimize(init_minimize, !isMapped);
noborder = rules()->checkNoBorder(noborder, !isMapped);
checkActivities();
// Initial desktop placement
if (session) {
desk = session->desktop;
if (session->onAllDesktops)
desk = NET::OnAllDesktops;
setOnActivities(session->activities);
} else {
// If this window is transient, ensure that it is opened on the
// same window as its parent. this is necessary when an application
// starts up on a different desktop than is currently displayed
if (isTransient()) {
ClientList mainclients = mainClients();
bool on_current = false;
bool on_all = false;
Client* maincl = NULL;
// This is slightly duplicated from Placement::placeOnMainWindow()
for (ClientList::ConstIterator it = mainclients.constBegin();
it != mainclients.constEnd();
++it) {
if (mainclients.count() > 1 && (*it)->isSpecialWindow())
continue; // Don't consider toolbars etc when placing
maincl = *it;
if ((*it)->isOnCurrentDesktop())
on_current = true;
if ((*it)->isOnAllDesktops())
on_all = true;
}
if (on_all)
desk = NET::OnAllDesktops;
else if (on_current)
desk = workspace()->currentDesktop();
else if (maincl != NULL)
desk = maincl->desktop();
if (maincl)
setOnActivities(maincl->activities());
}
if (info->desktop())
desk = info->desktop(); // Window had the initial desktop property, force it
if (desktop() == 0 && asn_valid && asn_data.desktop() != 0)
desk = asn_data.desktop();
if (!isMapped && !noborder && isNormalWindow() && !activitiesDefined) {
//a new, regular window, when we're not recovering from a crash,
//and it hasn't got an activity. let's try giving it the current one.
//TODO: decide whether to keep this before the 4.6 release
//TODO: if we are keeping it (at least as an option), replace noborder checking
//with a public API for setting windows to be on all activities.
//something like KWindowSystem::setOnAllActivities or
//KActivityConsumer::setOnAllActivities
setOnActivity(Workspace::self()->currentActivity(), true);
}
}
if (desk == 0) // Assume window wants to be visible on the current desktop
desk = workspace()->currentDesktop();
desk = rules()->checkDesktop(desk, !isMapped);
if (desk != NET::OnAllDesktops) // Do range check
desk = qMax(1, qMin(workspace()->numberOfDesktops(), desk));
info->setDesktop(desk);
workspace()->updateOnAllDesktopsOfTransients(this); // SELI TODO
//onAllDesktopsChange(); // Decoration doesn't exist here yet
QRect geom(attr.x, attr.y, attr.width, attr.height);
bool placementDone = false;
if (session)
geom = session->geometry;
QRect area;
bool partial_keep_in_area = isMapped || session;
if (isMapped || session)
area = workspace()->clientArea(FullArea, geom.center(), desktop());
else if (options->xineramaPlacementEnabled) {
int screen = options->xineramaPlacementScreen;
if (screen == -1) // Active screen
screen = asn_data.xinerama() == -1 ? workspace()->activeScreen() : asn_data.xinerama();
area = workspace()->clientArea(PlacementArea, workspace()->screenGeometry(screen).center(), desktop());
} else
area = workspace()->clientArea(PlacementArea, cursorPos(), desktop());
if (int type = checkFullScreenHack(geom)) {
fullscreen_mode = FullScreenHack;
if (rules()->checkStrictGeometry(false)) {
geom = type == 2 // 1 = It's xinerama-aware fullscreen hack, 2 = It's full area
? workspace()->clientArea(FullArea, geom.center(), desktop())
: workspace()->clientArea(ScreenArea, geom.center(), desktop());
} else
geom = workspace()->clientArea(FullScreenArea, geom.center(), desktop());
placementDone = true;
}
if (isDesktop())
// KWin doesn't manage desktop windows
placementDone = true;
bool usePosition = false;
if (isMapped || session || placementDone)
placementDone = true; // Use geometry
else if (isTransient() && !isUtility() && !isDialog() && !isSplash())
usePosition = true;
else if (isTransient() && !hasNETSupport())
usePosition = true;
else if (isDialog() && hasNETSupport()) {
// If the dialog is actually non-NETWM transient window, don't try to apply placement to it,
// it breaks with too many things (xmms, display)
if (mainClients().count() >= 1) {
#if 1
// #78082 - Ok, it seems there are after all some cases when an application has a good
// reason to specify a position for its dialog. Too bad other WMs have never bothered
// with placement for dialogs, so apps always specify positions for their dialogs,
// including such silly positions like always centered on the screen or under mouse.
// Using ignoring requested position in window-specific settings helps, and now
// there's also _NET_WM_FULL_PLACEMENT.
usePosition = true;
#else
; // Force using placement policy
#endif
} else
usePosition = true;
} else if (isSplash())
; // Force using placement policy
else
usePosition = true;
if (!rules()->checkIgnoreGeometry(!usePosition)) {
bool ignorePPosition = options->ignorePositionClasses.contains(
QString::fromLatin1(resourceClass()));
if (((xSizeHint.flags & PPosition) && !ignorePPosition) ||
(xSizeHint.flags & USPosition)) {
placementDone = true;
// Disobey xinerama placement option for now (#70943)
area = workspace()->clientArea(PlacementArea, geom.center(), desktop());
}
}
//if ( true ) // Size is always obeyed for now, only with constraints applied
// if (( xSizeHint.flags & USSize ) || ( xSizeHint.flags & PSize ))
// {
// // Keep in mind that we now actually have a size :-)
// }
if (xSizeHint.flags & PMaxSize)
geom.setSize(geom.size().boundedTo(
rules()->checkMaxSize(QSize(xSizeHint.max_width, xSizeHint.max_height))));
if (xSizeHint.flags & PMinSize)
geom.setSize(geom.size().expandedTo(
rules()->checkMinSize(QSize(xSizeHint.min_width, xSizeHint.min_height))));
if (isMovable() && (geom.x() > area.right() || geom.y() > area.bottom()))
placementDone = false; // Weird, do not trust.
if (placementDone)
move(geom.x(), geom.y()); // Before gravitating
// Create client group if the window will have a decoration
bool dontKeepInArea = false;
if (!noBorder()) {
setClientGroup(NULL);
// Automatically add to previous groups on session restore
if (session && session->clientGroupClient && session->clientGroupClient != this && session->clientGroupClient->clientGroup())
session->clientGroupClient->clientGroup()->add(this, -1, true);
else if (isMapped)
// If the window is already mapped (Restarted KWin) add any windows that already have the
// same geometry to the same client group. (May incorrectly handle maximized windows)
foreach (ClientGroup * group, workspace()->clientGroups)
if (geom == QRect(group->visible()->pos(), group->visible()->clientSize()) &&
desk == group->visible()->desktop() &&
activities() == group->visible()->activities() &&
group->visible()->maximizeMode() != MaximizeFull) {
group->add(this, -1, true);
break;
}
if (!client_group && !isMapped && !session) {
// Attempt to automatically group similar windows
const Client* similar = workspace()->findSimilarClient(this);
if (similar && similar->clientGroup() && !similar->noBorder()) {
geom = QRect(similar->pos() + similar->clientPos(), similar->clientSize());
updateDecoration(false);
similar->clientGroup()->add(this, -1,
rules()->checkAutogroupInForeground(options->autogroupInForeground));
// Don't move entire group
geom = QRect(similar->pos() + similar->clientPos(), similar->clientSize());
placementDone = true;
dontKeepInArea = true;
}
}
if (!client_group)
setClientGroup(new ClientGroup(this));
}
updateDecoration(false); // Also gravitates
// TODO: Is CentralGravity right here, when resizing is done after gravitating?
plainResize(rules()->checkSize(sizeForClientSize(geom.size()), !isMapped));
QPoint forced_pos = rules()->checkPosition(invalidPoint, !isMapped);
if (forced_pos != invalidPoint) {
move(forced_pos);
placementDone = true;
// Don't keep inside workarea if the window has specially configured position
partial_keep_in_area = true;
area = workspace()->clientArea(FullArea, geom.center(), desktop());
}
if (!placementDone) {
// Placement needs to be after setting size
workspace()->place(this, area);
placementDone = true;
}
if ((!isSpecialWindow() || isToolbar()) && isMovable() && !dontKeepInArea)
keepInArea(area, partial_keep_in_area);
updateShape();
// CT: Extra check for stupid jdk 1.3.1. But should make sense in general
// if client has initial state set to Iconic and is transient with a parent
// window that is not Iconic, set init_state to Normal
if (init_minimize && isTransient()) {
ClientList mainclients = mainClients();
for (ClientList::ConstIterator it = mainclients.constBegin();
it != mainclients.constEnd();
++it)
if ((*it)->isShown(true))
init_minimize = false; // SELI TODO: Even e.g. for NET::Utility?
}
// If a dialog is shown for minimized window, minimize it too
if (!init_minimize && isTransient() && mainClients().count() > 0) {
bool visible_parent = false;
// Use allMainClients(), to include also main clients of group transients
// that have been optimized out in Client::checkGroupTransients()
ClientList mainclients = allMainClients();
for (ClientList::ConstIterator it = mainclients.constBegin();
it != mainclients.constEnd();
++it)
if ((*it)->isShown(true))
visible_parent = true;
if (!visible_parent) {
init_minimize = true;
demandAttention();
}
}
if (init_minimize)
minimize(true); // No animation
// SELI TODO: This seems to be mainly for kstart and ksystraycmd
// probably should be replaced by something better
bool doNotShow = false;
if (workspace()->isNotManaged(caption()))
doNotShow = true;
// Other settings from the previous session
if (session) {
// Session restored windows are not considered to be new windows WRT rules,
// I.e. obey only forcing rules
setKeepAbove(session->keepAbove);
setKeepBelow(session->keepBelow);
setSkipTaskbar(session->skipTaskbar, true);
setSkipPager(session->skipPager);
setSkipSwitcher(session->skipSwitcher);
setShade(session->shaded ? ShadeNormal : ShadeNone);
setOpacity(session->opacity);
if (session->maximized != MaximizeRestore) {
maximize(MaximizeMode(session->maximized));
geom_restore = session->restore;
}
if (session->fullscreen == FullScreenHack)
; // Nothing, this should be already set again above
else if (session->fullscreen != FullScreenNone) {
setFullScreen(true, false);
geom_fs_restore = session->fsrestore;
}
} else {
geom_restore = geometry(); // Remember restore geometry
if (isMaximizable() && (width() >= area.width() || height() >= area.height())) {
// Window is too large for the screen, maximize in the
// directions necessary
if (width() >= area.width() && height() >= area.height()) {
maximize(Client::MaximizeFull);
geom_restore = QRect(); // Use placement when unmaximizing
} else if (width() >= area.width()) {
maximize(Client::MaximizeHorizontal);
geom_restore = QRect(); // Use placement when unmaximizing
geom_restore.setY(y()); // But only for horizontal direction
geom_restore.setHeight(height());
} else if (height() >= area.height()) {
maximize(Client::MaximizeVertical);
geom_restore = QRect(); // Use placement when unmaximizing
geom_restore.setX(x()); // But only for vertical direction
geom_restore.setWidth(width());
}
}
// Window may want to be maximized
// done after checking that the window isn't larger than the workarea, so that
// the restore geometry from the checks above takes precedence, and window
// isn't restored larger than the workarea
MaximizeMode maxmode = static_cast<MaximizeMode>(
((info->state() & NET::MaxVert) ? MaximizeVertical : 0) |
((info->state() & NET::MaxHoriz) ? MaximizeHorizontal : 0));
MaximizeMode forced_maxmode = rules()->checkMaximize(maxmode, !isMapped);
// Either hints were set to maximize, or is forced to maximize,
// or is forced to non-maximize and hints were set to maximize
if (forced_maxmode != MaximizeRestore || maxmode != MaximizeRestore)
maximize(forced_maxmode);
// Read other initial states
setShade(rules()->checkShade(info->state() & NET::Shaded ? ShadeNormal : ShadeNone, !isMapped));
setKeepAbove(rules()->checkKeepAbove(info->state() & NET::KeepAbove, !isMapped));
setKeepBelow(rules()->checkKeepBelow(info->state() & NET::KeepBelow, !isMapped));
setSkipTaskbar(rules()->checkSkipTaskbar(info->state() & NET::SkipTaskbar, !isMapped), true);
setSkipPager(rules()->checkSkipPager(info->state() & NET::SkipPager, !isMapped));
setSkipSwitcher(rules()->checkSkipSwitcher(false, !isMapped));
if (info->state() & NET::DemandsAttention)
demandAttention();
if (info->state() & NET::Modal)
setModal(true);
if (fullscreen_mode != FullScreenHack && isFullScreenable())
setFullScreen(rules()->checkFullScreen(info->state() & NET::FullScreen, !isMapped), false);
}
updateAllowedActions(true);
// Set initial user time directly
user_time = readUserTimeMapTimestamp(asn_valid ? &asn_id : NULL, asn_valid ? &asn_data : NULL, session);
group()->updateUserTime(user_time); // And do what Client::updateUserTime() does
// This should avoid flicker, because real restacking is done
// only after manage() finishes because of blocking, but the window is shown sooner
XLowerWindow(display(), frameId());
if (session && session->stackingOrder != -1) {
sm_stacking_order = session->stackingOrder;
workspace()->restoreSessionStackingOrder(this);
}
if (compositing())
// Sending ConfigureNotify is done when setting mapping state below,
// Getting the first sync response means window is ready for compositing
sendSyncRequest();
else
ready_for_painting = true; // set to true in case compositing is turned on later. bug #160393
if (isShown(true) && !doNotShow) {
if (isDialog())
Notify::raise(Notify::TransNew);
if (isNormalWindow())
Notify::raise(Notify::New);
bool allow;
if (session)
allow = session->active &&
(!workspace()->wasUserInteraction() || workspace()->activeClient() == NULL ||
workspace()->activeClient()->isDesktop());
else
allow = workspace()->allowClientActivation(this, userTime(), false);
if (!(isMapped || session)) {
if (workspace()->sessionSaving()) {
/*
* If we get a new window during session saving, we assume it's some 'save file?' dialog
* which the user really needs to see (to know why logout's stalled).
*
* Given the current session management protocol, I can't see a nicer way of doing this.
* Someday I'd like to see a protocol that tells the windowmanager who's doing SessionInteract.
*/
needsSessionInteract = true;
//show the parent too
ClientList mainclients = mainClients();
for (ClientList::ConstIterator it = mainclients.constBegin();
it != mainclients.constEnd(); ++it) {
(*it)->setSessionInteract(true);
}
} else if (allow) {
// also force if activation is allowed
if (!isOnCurrentDesktop()) {
workspace()->setCurrentDesktop(desktop());
}
/*if (!isOnCurrentActivity()) {
workspace()->setCurrentActivity( activities().first() );
} FIXME no such method*/
}
}
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(options->showDesktopIsMinimizeAll);
if (isOnCurrentDesktop() && !isMapped && !allow && (!session || session->stackingOrder < 0))
workspace()->restackClientUnderActive(this);
updateVisibility();
if (!isMapped) {
if (allow && isOnCurrentDesktop()) {
if (!isSpecialWindow())
if (options->focusPolicyIsReasonable() && wantsTabFocus())
workspace()->requestFocus(this);
} else if (!session && !isSpecialWindow())
demandAttention();
}
} else if (!doNotShow) // if ( !isShown( true ) && !doNotShow )
updateVisibility();
else // doNotShow
hideClient(true); // SELI HACK !!!
assert(mapping_state != Withdrawn);
blockGeometryUpdates(false);
if (user_time == CurrentTime || user_time == -1U) {
// No known user time, set something old
user_time = xTime() - 1000000;
if (user_time == CurrentTime || user_time == -1U) // Let's be paranoid
user_time = xTime() - 1000000 + 10;
}
//sendSyntheticConfigureNotify(); // Done when setting mapping state
delete session;
ungrabXServer();
client_rules.discardTemporary();
applyWindowRules(); // Just in case
workspace()->discardUsedWindowRules(this, false); // Remove ApplyNow rules
updateWindowRules(); // Was blocked while !isManaged()
updateCompositeBlocking(true);
// TODO: there's a small problem here - isManaged() depends on the mapping state,
// but this client is not yet in Workspace's client list at this point, will
// be only done in addClient()
return true;
}
// Called only from manage()
void Client::embedClient(Window w, const XWindowAttributes& attr)
{
assert(client == None);
assert(frameId() == None);
assert(wrapper == None);
client = w;
// We don't want the window to be destroyed when we are destroyed
XAddToSaveSet(display(), client);
XSelectInput(display(), client, NoEventMask);
XUnmapWindow(display(), client);
XWindowChanges wc; // Set the border width to 0
wc.border_width = 0; // TODO: Possibly save this, and also use it for initial configuring of the window
XConfigureWindow(display(), client, CWBorderWidth, &wc);
XSetWindowAttributes swa;
swa.colormap = attr.colormap;
swa.background_pixmap = None;
swa.border_pixel = 0;
Window frame = XCreateWindow(display(), rootWindow(), 0, 0, 1, 1, 0,
attr.depth, InputOutput, attr.visual, CWColormap | CWBackPixmap | CWBorderPixel, &swa);
setWindowHandles(client, frame);
wrapper = XCreateWindow(display(), frame, 0, 0, 1, 1, 0,
attr.depth, InputOutput, attr.visual, CWColormap | CWBackPixmap | CWBorderPixel, &swa);
XDefineCursor(display(), frame, QCursor(Qt::ArrowCursor).handle());
// Some apps are stupid and don't define their own cursor - set the arrow one for them
XDefineCursor(display(), wrapper, QCursor(Qt::ArrowCursor).handle());
XReparentWindow(display(), client, wrapper, 0, 0);
XSelectInput(display(), frame,
KeyPressMask | KeyReleaseMask |
ButtonPressMask | ButtonReleaseMask |
KeymapStateMask |
ButtonMotionMask |
PointerMotionMask |
EnterWindowMask | LeaveWindowMask |
FocusChangeMask |
ExposureMask |
PropertyChangeMask |
StructureNotifyMask | SubstructureRedirectMask);
XSelectInput(display(), wrapper, ClientWinMask | SubstructureNotifyMask);
XSelectInput(display(), client,
FocusChangeMask |
PropertyChangeMask |
ColormapChangeMask |
EnterWindowMask | LeaveWindowMask |
KeyPressMask | KeyReleaseMask
);
updateMouseGrab();
}
} // namespace
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