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kwin/manage.cpp
Thomas Lübking 8ad51527a8 Merge branch 'Plasma/5.4'
2015-10-23 09:38:50 +02:00

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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/>.
*********************************************************************/
// This file contains things relevant to handling incoming events.
#include "client.h"
#include <kstartupinfo.h>
#ifdef KWIN_BUILD_ACTIVITIES
#include "activities.h"
#endif
#include "cursor.h"
#include "rules.h"
#include "group.h"
#include "netinfo.h"
#include "screens.h"
#include "workspace.h"
#include "xcbutils.h"
#include <xcb/shape.h>
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(xcb_window_t w, bool isMapped)
{
StackingUpdatesBlocker stacking_blocker(workspace());
Xcb::WindowAttributes attr(w);
Xcb::WindowGeometry windowGeometry(w);
if (attr.isNull() || windowGeometry.isNull()) {
return false;
}
// From this place on, manage() must not return false
blockGeometryUpdates();
setPendingGeometryUpdate(PendingGeometryForced); // Force update when finishing with geometry changes
embedClient(w, attr->visual, attr->colormap, windowGeometry->depth);
m_visual = attr->visual;
bit_depth = windowGeometry->depth;
// SELI TODO: Order all these things in some sane manner
const NET::Properties properties =
NET::WMDesktop |
NET::WMState |
NET::WMWindowType |
NET::WMStrut |
NET::WMName |
NET::WMIconGeometry |
NET::WMIcon |
NET::WMPid |
NET::WMIconName;
const NET::Properties2 properties2 =
NET::WM2BlockCompositing |
NET::WM2WindowClass |
NET::WM2WindowRole |
NET::WM2UserTime |
NET::WM2StartupId |
NET::WM2ExtendedStrut |
NET::WM2Opacity |
NET::WM2FullscreenMonitors |
NET::WM2FrameOverlap |
NET::WM2GroupLeader |
NET::WM2Urgency |
NET::WM2Input |
NET::WM2Protocols |
NET::WM2InitialMappingState |
NET::WM2IconPixmap |
NET::WM2OpaqueRegion;
auto wmClientLeaderCookie = fetchWmClientLeader();
auto skipCloseAnimationCookie = fetchSkipCloseAnimation();
auto gtkFrameExtentsCookie = fetchGtkFrameExtents();
auto showOnScreenEdgeCookie = fetchShowOnScreenEdge();
auto colorSchemeCookie = fetchColorScheme();
auto firstInTabBoxCookie = fetchFirstInTabBox();
auto transientCookie = fetchTransient();
auto activitiesCookie = fetchActivities();
m_geometryHints.init(window());
m_motif.init(window());
info = new WinInfo(this, m_client, rootWindow(), properties, properties2);
// If it's already mapped, ignore hint
bool init_minimize = !isMapped && (info->initialMappingState() == NET::Iconic);
m_colormap = attr->colormap;
getResourceClass();
readWmClientLeader(wmClientLeaderCookie);
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);
setCaption(cap_normal, true);
if (Xcb::Extensions::self()->isShapeAvailable())
xcb_shape_select_input(connection(), window(), true);
detectShape(window());
readGtkFrameExtents(gtkFrameExtentsCookie);
detectNoBorder();
fetchIconicName();
// Needs to be done before readTransient() because of reading the group
checkGroup();
updateUrgency();
updateAllowedActions(); // Group affects isMinimizable()
setModal((info->state() & NET::Modal) != 0); // Needs to be valid before handling groups
readTransientProperty(transientCookie);
getIcons();
m_geometryHints.read();
getMotifHints();
getWmOpaqueRegion();
readSkipCloseAnimation(skipCloseAnimationCookie);
// TODO: Try to obey all state information from info->state()
setOriginalSkipTaskbar((info->state() & NET::SkipTaskbar) != 0);
setSkipPager((info->state() & NET::SkipPager) != 0);
readFirstInTabBox(firstInTabBoxCookie);
setupCompositing();
KStartupInfoId asn_id;
KStartupInfoData asn_data;
bool asn_valid = workspace()->checkStartupNotification(window(), asn_id, asn_data);
// Make sure that the input window is created before we update the stacking order
updateInputWindow();
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);
readActivities(activitiesCookie);
// Initial desktop placement
int desk = 0;
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()) {
auto mainclients = mainClients();
bool on_current = false;
bool on_all = false;
AbstractClient* maincl = nullptr;
// This is slightly duplicated from Placement::placeOnMainWindow()
for (auto it = mainclients.constBegin();
it != mainclients.constEnd();
++it) {
if (mainclients.count() > 1 && // A group-transient
(*it)->isSpecialWindow() && // Don't consider toolbars etc when placing
!(info->state() & NET::Modal)) // except when it's modal (blocks specials as well)
continue;
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 = VirtualDesktopManager::self()->current();
else if (maincl != NULL)
desk = maincl->desktop();
if (maincl)
setOnActivities(maincl->activities());
} else { // a transient shall appear on its leader and not drag that around
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();
}
#ifdef KWIN_BUILD_ACTIVITIES
if (Activities::self() && !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(Activities::self()->current(), true);
}
#endif
}
if (desk == 0) // Assume window wants to be visible on the current desktop
desk = isDesktop() ? static_cast<int>(NET::OnAllDesktops) : VirtualDesktopManager::self()->current();
desk = rules()->checkDesktop(desk, !isMapped);
if (desk != NET::OnAllDesktops) // Do range check
desk = qBound(1, desk, static_cast<int>(VirtualDesktopManager::self()->count()));
setDesktop(desk);
info->setDesktop(desk);
workspace()->updateOnAllDesktopsOfTransients(this); // SELI TODO
//onAllDesktopsChange(); // Decoration doesn't exist here yet
QString activitiesList;
activitiesList = rules()->checkActivity(activitiesList, !isMapped);
if (!activitiesList.isEmpty())
setOnActivities(activitiesList.split(QStringLiteral(",")));
QRect geom(windowGeometry.rect());
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());
checkOffscreenPosition(&geom, area);
} else {
int screen = asn_data.xinerama() == -1 ? screens()->current() : asn_data.xinerama();
screen = rules()->checkScreen(screen, !isMapped);
area = workspace()->clientArea(PlacementArea, screens()->geometry(screen).center(), 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, true)) {
if (m_geometryHints.hasPosition()) {
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 (m_geometryHints.hasMaxSize())
geom.setSize(geom.size().boundedTo(
rules()->checkMaxSize(m_geometryHints.maxSize())));
if (m_geometryHints.hasMinSize())
geom.setSize(geom.size().expandedTo(
rules()->checkMinSize(m_geometryHints.minSize())));
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;
setTabGroup(NULL);
if (!noBorder() && false) {
const bool autogrouping = rules()->checkAutogrouping(options->isAutogroupSimilarWindows());
const bool autogroupInFg = rules()->checkAutogroupInForeground(options->isAutogroupInForeground());
// Automatically add to previous groups on session restore
if (session && session->tabGroupClient && !workspace()->hasClient(session->tabGroupClient))
session->tabGroupClient = NULL;
if (session && session->tabGroupClient && session->tabGroupClient != this) {
tabBehind(session->tabGroupClient, autogroupInFg);
} else if (isMapped && autogrouping) {
// 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 (Client *other, workspace()->clientList()) {
if (other->maximizeMode() != MaximizeFull &&
geom == QRect(other->pos(), other->clientSize()) &&
desk == other->desktop() && activities() == other->activities()) {
tabBehind(other, autogroupInFg);
break;
}
}
}
if (!(tab_group || isMapped || session)) {
// Attempt to automatically group similar windows
Client* similar = findAutogroupCandidate();
if (similar && !similar->noBorder()) {
if (autogroupInFg) {
similar->setDesktop(desk); // can happen when grouping by id. ...
similar->setMinimized(false); // ... or anyway - still group, but "here" and visible
}
if (!similar->isMinimized()) { // do not attempt to tab in background of a hidden group
geom = QRect(similar->pos() + similar->clientPos(), similar->clientSize());
updateDecoration(false);
if (tabBehind(similar, autogroupInFg)) {
// Don't move entire group
geom = QRect(similar->pos() + similar->clientPos(), similar->clientSize());
placementDone = true;
dontKeepInArea = true;
}
}
}
}
}
readColorScheme(colorSchemeCookie);
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
Placement::self()->place(this, area);
dontKeepInArea = true;
placementDone = true;
}
// bugs #285967, #286146, #183694
// geometry() now includes the requested size and the decoration and is at the correct screen/position (hopefully)
// Maximization for oversized windows must happen NOW.
// If we effectively pass keepInArea(), the window will resizeWithChecks() - i.e. constrained
// to the combo of all screen MINUS all struts on the edges
// If only one screen struts, this will affect screens as a side-effect, the window is artificailly shrinked
// below the screen size and as result no more maximized what breaks KMainWindow's stupid width+1, height+1 hack
// TODO: get KMainWindow a correct state storage what will allow to store the restore size as well.
if (!session) { // has a better handling of this
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
const QSize ss = workspace()->clientArea(ScreenArea, area.center(), desktop()).size();
const QRect fsa = workspace()->clientArea(FullArea, geom.center(), desktop());
const QSize cs = clientSize();
int pseudo_max = ((info->state() & NET::MaxVert) ? MaximizeVertical : 0) |
((info->state() & NET::MaxHoriz) ? MaximizeHorizontal : 0);
if (width() >= area.width())
pseudo_max |= MaximizeHorizontal;
if (height() >= area.height())
pseudo_max |= MaximizeVertical;
// heuristics:
// if decorated client is smaller than the entire screen, the user might want to move it around (multiscreen)
// in this case, if the decorated client is bigger than the screen (+1), we don't take this as an
// attempt for maximization, but just constrain the size (the window simply wants to be bigger)
// NOTICE
// i intended a second check on cs < area.size() ("the managed client ("minus border") is smaller
// than the workspace") but gtk / gimp seems to store it's size including the decoration,
// thus a former maximized window wil become non-maximized
bool keepInFsArea = false;
if (width() < fsa.width() && (cs.width() > ss.width()+1)) {
pseudo_max &= ~MaximizeHorizontal;
keepInFsArea = true;
}
if (height() < fsa.height() && (cs.height() > ss.height()+1)) {
pseudo_max &= ~MaximizeVertical;
keepInFsArea = true;
}
if (pseudo_max != MaximizeRestore) {
maximize((MaximizeMode)pseudo_max);
// from now on, care about maxmode, since the maximization call will override mode for fix aspects
dontKeepInArea |= (max_mode == MaximizeFull);
geom_restore = QRect(); // Use placement when unmaximizing ...
if (!(max_mode & MaximizeVertical)) {
geom_restore.setY(y()); // ...but only for horizontal direction
geom_restore.setHeight(height());
}
if (!(max_mode & MaximizeHorizontal)) {
geom_restore.setX(x()); // ...but only for vertical direction
geom_restore.setWidth(width());
}
}
if (keepInFsArea)
keepInArea(fsa, partial_keep_in_area);
}
}
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()) {
auto mainclients = mainClients();
for (auto 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 && !workspace()->sessionSaving()) {
bool visible_parent = false;
// Use allMainClients(), to include also main clients of group transients
// that have been optimized out in Client::checkGroupTransients()
auto mainclients = allMainClients();
for (auto 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
// 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);
setOriginalSkipTaskbar(session->skipTaskbar);
setSkipPager(session->skipPager);
setSkipSwitcher(session->skipSwitcher);
setShade(session->shaded ? ShadeNormal : ShadeNone);
setOpacity(session->opacity);
geom_restore = session->restore;
if (session->maximized != MaximizeRestore) {
maximize(MaximizeMode(session->maximized));
}
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;
}
checkOffscreenPosition(&geom_restore, area);
checkOffscreenPosition(&geom_fs_restore, area);
} else {
// 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));
setOriginalSkipTaskbar(rules()->checkSkipTaskbar(info->state() & NET::SkipTaskbar, !isMapped));
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)
setFullScreen(rules()->checkFullScreen(info->state() & NET::FullScreen, !isMapped), false);
}
updateAllowedActions(true);
// Set initial user time directly
m_userTime = readUserTimeMapTimestamp(asn_valid ? &asn_id : NULL, asn_valid ? &asn_data : NULL, session);
group()->updateUserTime(m_userTime); // 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
m_frame.lower();
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)) {
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
auto mainclients = mainClients();
for (auto it = mainclients.constBegin();
it != mainclients.constEnd(); ++it) {
if (Client *mc = dynamic_cast<Client*>((*it))) {
mc->setSessionInteract(true);
}
(*it)->unminimize();
}
} else if (allow) {
// also force if activation is allowed
if (!isOnCurrentDesktop() && options->focusPolicyIsReasonable()) {
VirtualDesktopManager::self()->setCurrent(desktop());
}
/*if (!isOnCurrentActivity()) {
workspace()->setCurrentActivity( activities().first() );
} FIXME no such method*/
}
}
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
updateVisibility();
assert(mapping_state != Withdrawn);
m_managed = true;
blockGeometryUpdates(false);
if (m_userTime == XCB_TIME_CURRENT_TIME || m_userTime == -1U) {
// No known user time, set something old
m_userTime = xTime() - 1000000;
if (m_userTime == XCB_TIME_CURRENT_TIME || m_userTime == -1U) // Let's be paranoid
m_userTime = xTime() - 1000000 + 10;
}
//sendSyntheticConfigureNotify(); // Done when setting mapping state
delete session;
client_rules.discardTemporary();
applyWindowRules(); // Just in case
RuleBook::self()->discardUsed(this, false); // Remove ApplyNow rules
updateWindowRules(Rules::All); // Was blocked while !isManaged()
setBlockingCompositing(info->isBlockingCompositing());
readShowOnScreenEdge(showOnScreenEdgeCookie);
// 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()
emit clientManaging(this);
return true;
}
// Called only from manage()
void Client::embedClient(xcb_window_t w, xcb_visualid_t visualid, xcb_colormap_t colormap, uint8_t depth)
{
assert(m_client == XCB_WINDOW_NONE);
assert(frameId() == XCB_WINDOW_NONE);
assert(m_wrapper == XCB_WINDOW_NONE);
m_client.reset(w, false);
const uint32_t zero_value = 0;
xcb_connection_t *conn = connection();
// We don't want the window to be destroyed when we quit
xcb_change_save_set(conn, XCB_SET_MODE_INSERT, m_client);
m_client.selectInput(zero_value);
m_client.unmap();
m_client.setBorderWidth(zero_value);
// Note: These values must match the order in the xcb_cw_t enum
const uint32_t cw_values[] = {
0, // back_pixmap
0, // border_pixel
colormap, // colormap
Cursor::x11Cursor(Qt::ArrowCursor)
};
const uint32_t cw_mask = XCB_CW_BACK_PIXMAP | XCB_CW_BORDER_PIXEL |
XCB_CW_COLORMAP | XCB_CW_CURSOR;
const uint32_t common_event_mask = XCB_EVENT_MASK_KEY_PRESS | XCB_EVENT_MASK_KEY_RELEASE |
XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_LEAVE_WINDOW |
XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE |
XCB_EVENT_MASK_BUTTON_MOTION | XCB_EVENT_MASK_POINTER_MOTION |
XCB_EVENT_MASK_KEYMAP_STATE |
XCB_EVENT_MASK_FOCUS_CHANGE |
XCB_EVENT_MASK_EXPOSURE |
XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT;
const uint32_t frame_event_mask = common_event_mask | XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_VISIBILITY_CHANGE;
const uint32_t wrapper_event_mask = common_event_mask | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY;
const uint32_t client_event_mask = XCB_EVENT_MASK_FOCUS_CHANGE | XCB_EVENT_MASK_PROPERTY_CHANGE |
XCB_EVENT_MASK_COLOR_MAP_CHANGE |
XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_LEAVE_WINDOW |
XCB_EVENT_MASK_KEY_PRESS | XCB_EVENT_MASK_KEY_RELEASE;
// Create the frame window
xcb_window_t frame = xcb_generate_id(conn);
xcb_create_window(conn, depth, frame, rootWindow(), 0, 0, 1, 1, 0,
XCB_WINDOW_CLASS_INPUT_OUTPUT, visualid, cw_mask, cw_values);
m_frame.reset(frame);
setWindowHandles(m_client);
// Create the wrapper window
xcb_window_t wrapperId = xcb_generate_id(conn);
xcb_create_window(conn, depth, wrapperId, frame, 0, 0, 1, 1, 0,
XCB_WINDOW_CLASS_INPUT_OUTPUT, visualid, cw_mask, cw_values);
m_wrapper.reset(wrapperId);
m_client.reparent(m_wrapper);
// We could specify the event masks when we create the windows, but the original
// Xlib code didn't. Let's preserve that behavior here for now so we don't end up
// receiving any unexpected events from the wrapper creation or the reparenting.
m_frame.selectInput(frame_event_mask);
m_wrapper.selectInput(wrapper_event_mask);
m_client.selectInput(client_event_mask);
updateMouseGrab();
}
// To accept "mainwindow#1" to "mainwindow#2"
static QByteArray truncatedWindowRole(QByteArray a)
{
int i = a.indexOf('#');
if (i == -1)
return a;
QByteArray b(a);
b.truncate(i);
return b;
}
Client* Client::findAutogroupCandidate() const
{
// Attempt to find a similar window to the input. If we find multiple possibilities that are in
// different groups then ignore all of them. This function is for automatic window grouping.
Client *found = NULL;
// See if the window has a group ID to match with
QString wGId = rules()->checkAutogroupById(QString());
if (!wGId.isEmpty()) {
foreach (Client *c, workspace()->clientList()) {
if (activities() != c->activities())
continue; // don't cross activities
if (wGId == c->rules()->checkAutogroupById(QString())) {
if (found && found->tabGroup() != c->tabGroup()) { // We've found two, ignore both
found = NULL;
break; // Continue to the next test
}
found = c;
}
}
if (found)
return found;
}
// If this is a transient window don't take a guess
if (isTransient())
return NULL;
// If we don't have an ID take a guess
if (rules()->checkAutogrouping(options->isAutogroupSimilarWindows())) {
QByteArray wRole = truncatedWindowRole(windowRole());
foreach (Client *c, workspace()->clientList()) {
if (desktop() != c->desktop() || activities() != c->activities())
continue;
QByteArray wRoleB = truncatedWindowRole(c->windowRole());
if (resourceClass() == c->resourceClass() && // Same resource class
wRole == wRoleB && // Same window role
c->isNormalWindow()) { // Normal window TODO: Can modal windows be "normal"?
if (found && found->tabGroup() != c->tabGroup()) // We've found two, ignore both
return NULL;
found = c;
}
}
}
return found;
}
} // namespace
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