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kwin/geometry.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>
Copyright (C) 2009 Lucas Murray <lmurray@undefinedfire.com>
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 geometry, i.e. workspace size,
window positions and window sizes.
*/
#include "x11client.h"
#include "composite.h"
#include "cursor.h"
#include "netinfo.h"
#include "workspace.h"
#include "placement.h"
#include "geometrytip.h"
#include "rules.h"
#include "screens.h"
#include "effects.h"
#include "screenedge.h"
#include "internal_client.h"
#include <QApplication>
#include <QDebug>
#include <QVarLengthArray>
#include "outline.h"
#include "xdgshellclient.h"
#include "wayland_server.h"
#include <KDecoration2/Decoration>
#include <KDecoration2/DecoratedClient>
namespace KWin
{
static inline int sign(int v) {
return (v > 0) - (v < 0);
}
//********************************************
// Workspace
//********************************************
extern int screen_number;
extern bool is_multihead;
/**
* Resizes the workspace after an XRANDR screen size change
*/
void Workspace::desktopResized()
{
QRect geom = screens()->geometry();
if (rootInfo()) {
NETSize desktop_geometry;
desktop_geometry.width = geom.width();
desktop_geometry.height = geom.height();
rootInfo()->setDesktopGeometry(desktop_geometry);
}
updateClientArea();
saveOldScreenSizes(); // after updateClientArea(), so that one still uses the previous one
// TODO: emit a signal instead and remove the deep function calls into edges and effects
ScreenEdges::self()->recreateEdges();
if (effects) {
static_cast<EffectsHandlerImpl*>(effects)->desktopResized(geom.size());
}
}
void Workspace::saveOldScreenSizes()
{
olddisplaysize = screens()->displaySize();
oldscreensizes.clear();
for( int i = 0;
i < screens()->count();
++i )
oldscreensizes.append( screens()->geometry( i ));
}
/**
* Updates the current client areas according to the current clients.
*
* If the area changes or force is @c true, the new areas are propagated to the world.
*
* The client area is the area that is available for clients (that
* which is not taken by windows like panels, the top-of-screen menu
* etc).
*
* @see clientArea()
*/
void Workspace::updateClientArea(bool force)
{
const Screens *s = Screens::self();
int nscreens = s->count();
const int numberOfDesktops = VirtualDesktopManager::self()->count();
QVector< QRect > new_wareas(numberOfDesktops + 1);
QVector< StrutRects > new_rmoveareas(numberOfDesktops + 1);
QVector< QVector< QRect > > new_sareas(numberOfDesktops + 1);
QVector< QRect > screens(nscreens);
QRect desktopArea;
for (int i = 0; i < nscreens; i++) {
desktopArea |= s->geometry(i);
}
for (int iS = 0;
iS < nscreens;
iS ++) {
screens [iS] = s->geometry(iS);
}
for (int i = 1;
i <= numberOfDesktops;
++i) {
new_wareas[ i ] = desktopArea;
new_sareas[ i ].resize(nscreens);
for (int iS = 0;
iS < nscreens;
iS ++)
new_sareas[ i ][ iS ] = screens[ iS ];
}
for (auto it = clients.constBegin(); it != clients.constEnd(); ++it) {
if (!(*it)->hasStrut())
continue;
QRect r = (*it)->adjustedClientArea(desktopArea, desktopArea);
// sanity check that a strut doesn't exclude a complete screen geometry
// this is a violation to EWMH, as KWin just ignores the strut
for (int i = 0; i < Screens::self()->count(); i++) {
if (!r.intersects(Screens::self()->geometry(i))) {
qCDebug(KWIN_CORE) << "Adjusted client area would exclude a complete screen, ignore";
r = desktopArea;
break;
}
}
StrutRects strutRegion = (*it)->strutRects();
const QRect clientsScreenRect = KWin::screens()->geometry((*it)->screen());
for (auto strut = strutRegion.begin(); strut != strutRegion.end(); strut++) {
*strut = StrutRect((*strut).intersected(clientsScreenRect), (*strut).area());
}
// Ignore offscreen xinerama struts. These interfere with the larger monitors on the setup
// and should be ignored so that applications that use the work area to work out where
// windows can go can use the entire visible area of the larger monitors.
// This goes against the EWMH description of the work area but it is a toss up between
// having unusable sections of the screen (Which can be quite large with newer monitors)
// or having some content appear offscreen (Relatively rare compared to other).
bool hasOffscreenXineramaStrut = (*it)->hasOffscreenXineramaStrut();
if ((*it)->isOnAllDesktops()) {
for (int i = 1;
i <= numberOfDesktops;
++i) {
if (!hasOffscreenXineramaStrut)
new_wareas[ i ] = new_wareas[ i ].intersected(r);
new_rmoveareas[ i ] += strutRegion;
for (int iS = 0;
iS < nscreens;
iS ++) {
const auto geo = new_sareas[ i ][ iS ].intersected(
(*it)->adjustedClientArea(desktopArea, screens[ iS ]));
// ignore the geometry if it results in the screen getting removed completely
if (!geo.isEmpty()) {
new_sareas[ i ][ iS ] = geo;
}
}
}
} else {
if (!hasOffscreenXineramaStrut)
new_wareas[(*it)->desktop()] = new_wareas[(*it)->desktop()].intersected(r);
new_rmoveareas[(*it)->desktop()] += strutRegion;
for (int iS = 0;
iS < nscreens;
iS ++) {
// qDebug() << "adjusting new_sarea: " << screens[ iS ];
const auto geo = new_sareas[(*it)->desktop()][ iS ].intersected(
(*it)->adjustedClientArea(desktopArea, screens[ iS ]));
// ignore the geometry if it results in the screen getting removed completely
if (!geo.isEmpty()) {
new_sareas[(*it)->desktop()][ iS ] = geo;
}
}
}
}
if (waylandServer()) {
auto updateStrutsForWaylandClient = [&] (XdgShellClient *c) {
// assuming that only docks have "struts" and that all docks have a strut
if (!c->hasStrut()) {
return;
}
auto margins = [c] (const QRect &geometry) {
QMargins margins;
if (!geometry.intersects(c->frameGeometry())) {
return margins;
}
// figure out which areas of the overall screen setup it borders
const bool left = c->frameGeometry().left() == geometry.left();
const bool right = c->frameGeometry().right() == geometry.right();
const bool top = c->frameGeometry().top() == geometry.top();
const bool bottom = c->frameGeometry().bottom() == geometry.bottom();
const bool horizontal = c->frameGeometry().width() >= c->frameGeometry().height();
if (left && ((!top && !bottom) || !horizontal)) {
margins.setLeft(c->frameGeometry().width());
}
if (right && ((!top && !bottom) || !horizontal)) {
margins.setRight(c->frameGeometry().width());
}
if (top && ((!left && !right) || horizontal)) {
margins.setTop(c->frameGeometry().height());
}
if (bottom && ((!left && !right) || horizontal)) {
margins.setBottom(c->frameGeometry().height());
}
return margins;
};
auto marginsToStrutArea = [] (const QMargins &margins) {
if (margins.left() != 0) {
return StrutAreaLeft;
}
if (margins.right() != 0) {
return StrutAreaRight;
}
if (margins.top() != 0) {
return StrutAreaTop;
}
if (margins.bottom() != 0) {
return StrutAreaBottom;
}
return StrutAreaInvalid;
};
const auto strut = margins(KWin::screens()->geometry(c->screen()));
const StrutRects strutRegion = StrutRects{StrutRect(c->frameGeometry(), marginsToStrutArea(strut))};
QRect r = desktopArea - margins(KWin::screens()->geometry());
if (c->isOnAllDesktops()) {
for (int i = 1; i <= numberOfDesktops; ++i) {
new_wareas[ i ] = new_wareas[ i ].intersected(r);
for (int iS = 0; iS < nscreens; ++iS) {
new_sareas[ i ][ iS ] = new_sareas[ i ][ iS ].intersected(screens[iS] - margins(screens[iS]));
}
new_rmoveareas[ i ] += strutRegion;
}
} else {
new_wareas[c->desktop()] = new_wareas[c->desktop()].intersected(r);
for (int iS = 0; iS < nscreens; iS++) {
new_sareas[c->desktop()][ iS ] = new_sareas[c->desktop()][ iS ].intersected(screens[iS] - margins(screens[iS]));
}
new_rmoveareas[ c->desktop() ] += strutRegion;
}
};
const auto clients = waylandServer()->clients();
for (auto c : clients) {
updateStrutsForWaylandClient(c);
}
}
#if 0
for (int i = 1;
i <= numberOfDesktops();
++i) {
for (int iS = 0;
iS < nscreens;
iS ++)
qCDebug(KWIN_CORE) << "new_sarea: " << new_sareas[ i ][ iS ];
}
#endif
bool changed = force;
if (screenarea.isEmpty())
changed = true;
for (int i = 1;
!changed && i <= numberOfDesktops;
++i) {
if (workarea[ i ] != new_wareas[ i ])
changed = true;
if (restrictedmovearea[ i ] != new_rmoveareas[ i ])
changed = true;
if (screenarea[ i ].size() != new_sareas[ i ].size())
changed = true;
for (int iS = 0;
!changed && iS < nscreens;
iS ++)
if (new_sareas[ i ][ iS ] != screenarea [ i ][ iS ])
changed = true;
}
if (changed) {
workarea = new_wareas;
oldrestrictedmovearea = restrictedmovearea;
restrictedmovearea = new_rmoveareas;
screenarea = new_sareas;
if (rootInfo()) {
NETRect r;
for (int i = 1; i <= numberOfDesktops; i++) {
r.pos.x = workarea[ i ].x();
r.pos.y = workarea[ i ].y();
r.size.width = workarea[ i ].width();
r.size.height = workarea[ i ].height();
rootInfo()->setWorkArea(i, r);
}
}
for (auto it = m_allClients.constBegin();
it != m_allClients.constEnd();
++it)
(*it)->checkWorkspacePosition();
oldrestrictedmovearea.clear(); // reset, no longer valid or needed
}
}
void Workspace::updateClientArea()
{
updateClientArea(false);
}
/**
* Returns the area available for clients. This is the desktop
* geometry minus windows on the dock. Placement algorithms should
* refer to this rather than Screens::geometry.
*/
QRect Workspace::clientArea(clientAreaOption opt, int screen, int desktop) const
{
if (desktop == NETWinInfo::OnAllDesktops || desktop == 0)
desktop = VirtualDesktopManager::self()->current();
if (screen == -1)
screen = screens()->current();
const QSize displaySize = screens()->displaySize();
QRect sarea, warea;
if (is_multihead) {
sarea = (!screenarea.isEmpty()
&& screen < screenarea[ desktop ].size()) // screens may be missing during KWin initialization or screen config changes
? screenarea[ desktop ][ screen_number ]
: screens()->geometry(screen_number);
warea = workarea[ desktop ].isNull()
? screens()->geometry(screen_number)
: workarea[ desktop ];
} else {
sarea = (!screenarea.isEmpty()
&& screen < screenarea[ desktop ].size()) // screens may be missing during KWin initialization or screen config changes
? screenarea[ desktop ][ screen ]
: screens()->geometry(screen);
warea = workarea[ desktop ].isNull()
? QRect(0, 0, displaySize.width(), displaySize.height())
: workarea[ desktop ];
}
switch(opt) {
case MaximizeArea:
case PlacementArea:
return sarea;
case MaximizeFullArea:
case FullScreenArea:
case MovementArea:
case ScreenArea:
if (is_multihead)
return screens()->geometry(screen_number);
else
return screens()->geometry(screen);
case WorkArea:
if (is_multihead)
return sarea;
else
return warea;
case FullArea:
return QRect(0, 0, displaySize.width(), displaySize.height());
}
abort();
}
QRect Workspace::clientArea(clientAreaOption opt, const QPoint& p, int desktop) const
{
return clientArea(opt, screens()->number(p), desktop);
}
QRect Workspace::clientArea(clientAreaOption opt, const AbstractClient* c) const
{
return clientArea(opt, c->frameGeometry().center(), c->desktop());
}
QRegion Workspace::restrictedMoveArea(int desktop, StrutAreas areas) const
{
if (desktop == NETWinInfo::OnAllDesktops || desktop == 0)
desktop = VirtualDesktopManager::self()->current();
QRegion region;
foreach (const StrutRect & rect, restrictedmovearea[desktop])
if (areas & rect.area())
region += rect;
return region;
}
bool Workspace::inUpdateClientArea() const
{
return !oldrestrictedmovearea.isEmpty();
}
QRegion Workspace::previousRestrictedMoveArea(int desktop, StrutAreas areas) const
{
if (desktop == NETWinInfo::OnAllDesktops || desktop == 0)
desktop = VirtualDesktopManager::self()->current();
QRegion region;
foreach (const StrutRect & rect, oldrestrictedmovearea.at(desktop))
if (areas & rect.area())
region += rect;
return region;
}
QVector< QRect > Workspace::previousScreenSizes() const
{
return oldscreensizes;
}
int Workspace::oldDisplayWidth() const
{
return olddisplaysize.width();
}
int Workspace::oldDisplayHeight() const
{
return olddisplaysize.height();
}
/**
* Client \a c is moved around to position \a pos. This gives the
* workspace the opportunity to interveniate and to implement
* snap-to-windows functionality.
*
* The parameter \a snapAdjust is a multiplier used to calculate the
* effective snap zones. When 1.0, it means that the snap zones will be
* used without change.
*/
QPoint Workspace::adjustClientPosition(AbstractClient* c, QPoint pos, bool unrestricted, double snapAdjust)
{
QSize borderSnapZone(options->borderSnapZone(), options->borderSnapZone());
QRect maxRect;
int guideMaximized = MaximizeRestore;
if (c->maximizeMode() != MaximizeRestore) {
maxRect = clientArea(MaximizeArea, pos + c->rect().center(), c->desktop());
QRect geo = c->frameGeometry();
if (c->maximizeMode() & MaximizeHorizontal && (geo.x() == maxRect.left() || geo.right() == maxRect.right())) {
guideMaximized |= MaximizeHorizontal;
borderSnapZone.setWidth(qMax(borderSnapZone.width() + 2, maxRect.width() / 16));
}
if (c->maximizeMode() & MaximizeVertical && (geo.y() == maxRect.top() || geo.bottom() == maxRect.bottom())) {
guideMaximized |= MaximizeVertical;
borderSnapZone.setHeight(qMax(borderSnapZone.height() + 2, maxRect.height() / 16));
}
}
if (options->windowSnapZone() || !borderSnapZone.isNull() || options->centerSnapZone()) {
const bool sOWO = options->isSnapOnlyWhenOverlapping();
const int screen = screens()->number(pos + c->rect().center());
if (maxRect.isNull())
maxRect = clientArea(MovementArea, screen, c->desktop());
const int xmin = maxRect.left();
const int xmax = maxRect.right() + 1; //desk size
const int ymin = maxRect.top();
const int ymax = maxRect.bottom() + 1;
const int cx(pos.x());
const int cy(pos.y());
const int cw(c->width());
const int ch(c->height());
const int rx(cx + cw);
const int ry(cy + ch); //these don't change
int nx(cx), ny(cy); //buffers
int deltaX(xmax);
int deltaY(ymax); //minimum distance to other clients
int lx, ly, lrx, lry; //coords and size for the comparison client, l
// border snap
const int snapX = borderSnapZone.width() * snapAdjust; //snap trigger
const int snapY = borderSnapZone.height() * snapAdjust;
if (snapX || snapY) {
QRect geo = c->frameGeometry();
QMargins frameMargins = c->frameMargins();
// snap to titlebar / snap to window borders on inner screen edges
AbstractClient::Position titlePos = c->titlebarPosition();
if (frameMargins.left() && (titlePos == AbstractClient::PositionLeft || (c->maximizeMode() & MaximizeHorizontal) ||
screens()->intersecting(geo.translated(maxRect.x() - (frameMargins.left() + geo.x()), 0)) > 1)) {
frameMargins.setLeft(0);
}
if (frameMargins.right() && (titlePos == AbstractClient::PositionRight || (c->maximizeMode() & MaximizeHorizontal) ||
screens()->intersecting(geo.translated(maxRect.right() + frameMargins.right() - geo.right(), 0)) > 1)) {
frameMargins.setRight(0);
}
if (frameMargins.top() && (titlePos == AbstractClient::PositionTop || (c->maximizeMode() & MaximizeVertical) ||
screens()->intersecting(geo.translated(0, maxRect.y() - (frameMargins.top() + geo.y()))) > 1)) {
frameMargins.setTop(0);
}
if (frameMargins.bottom() && (titlePos == AbstractClient::PositionBottom || (c->maximizeMode() & MaximizeVertical) ||
screens()->intersecting(geo.translated(0, maxRect.bottom() + frameMargins.bottom() - geo.bottom())) > 1)) {
frameMargins.setBottom(0);
}
if ((sOWO ? (cx < xmin) : true) && (qAbs(xmin - cx) < snapX)) {
deltaX = xmin - cx;
nx = xmin - frameMargins.left();
}
if ((sOWO ? (rx > xmax) : true) && (qAbs(rx - xmax) < snapX) && (qAbs(xmax - rx) < deltaX)) {
deltaX = rx - xmax;
nx = xmax - cw + frameMargins.right();
}
if ((sOWO ? (cy < ymin) : true) && (qAbs(ymin - cy) < snapY)) {
deltaY = ymin - cy;
ny = ymin - frameMargins.top();
}
if ((sOWO ? (ry > ymax) : true) && (qAbs(ry - ymax) < snapY) && (qAbs(ymax - ry) < deltaY)) {
deltaY = ry - ymax;
ny = ymax - ch + frameMargins.bottom();
}
}
// windows snap
int snap = options->windowSnapZone() * snapAdjust;
if (snap) {
for (auto l = m_allClients.constBegin(); l != m_allClients.constEnd(); ++l) {
if ((*l) == c)
continue;
if ((*l)->isMinimized())
continue; // is minimized
if (!(*l)->isShown(false))
continue;
if (!((*l)->isOnDesktop(c->desktop()) || c->isOnDesktop((*l)->desktop())))
continue; // wrong virtual desktop
if (!(*l)->isOnCurrentActivity())
continue; // wrong activity
if ((*l)->isDesktop() || (*l)->isSplash())
continue;
lx = (*l)->x();
ly = (*l)->y();
lrx = lx + (*l)->width();
lry = ly + (*l)->height();
if (!(guideMaximized & MaximizeHorizontal) &&
(((cy <= lry) && (cy >= ly)) || ((ry >= ly) && (ry <= lry)) || ((cy <= ly) && (ry >= lry)))) {
if ((sOWO ? (cx < lrx) : true) && (qAbs(lrx - cx) < snap) && (qAbs(lrx - cx) < deltaX)) {
deltaX = qAbs(lrx - cx);
nx = lrx;
}
if ((sOWO ? (rx > lx) : true) && (qAbs(rx - lx) < snap) && (qAbs(rx - lx) < deltaX)) {
deltaX = qAbs(rx - lx);
nx = lx - cw;
}
}
if (!(guideMaximized & MaximizeVertical) &&
(((cx <= lrx) && (cx >= lx)) || ((rx >= lx) && (rx <= lrx)) || ((cx <= lx) && (rx >= lrx)))) {
if ((sOWO ? (cy < lry) : true) && (qAbs(lry - cy) < snap) && (qAbs(lry - cy) < deltaY)) {
deltaY = qAbs(lry - cy);
ny = lry;
}
//if ( (qAbs( ry-ly ) < snap) && (qAbs( ry - ly ) < deltaY ))
if ((sOWO ? (ry > ly) : true) && (qAbs(ry - ly) < snap) && (qAbs(ry - ly) < deltaY)) {
deltaY = qAbs(ry - ly);
ny = ly - ch;
}
}
// Corner snapping
if (!(guideMaximized & MaximizeVertical) && (nx == lrx || nx + cw == lx)) {
if ((sOWO ? (ry > lry) : true) && (qAbs(lry - ry) < snap) && (qAbs(lry - ry) < deltaY)) {
deltaY = qAbs(lry - ry);
ny = lry - ch;
}
if ((sOWO ? (cy < ly) : true) && (qAbs(cy - ly) < snap) && (qAbs(cy - ly) < deltaY)) {
deltaY = qAbs(cy - ly);
ny = ly;
}
}
if (!(guideMaximized & MaximizeHorizontal) && (ny == lry || ny + ch == ly)) {
if ((sOWO ? (rx > lrx) : true) && (qAbs(lrx - rx) < snap) && (qAbs(lrx - rx) < deltaX)) {
deltaX = qAbs(lrx - rx);
nx = lrx - cw;
}
if ((sOWO ? (cx < lx) : true) && (qAbs(cx - lx) < snap) && (qAbs(cx - lx) < deltaX)) {
deltaX = qAbs(cx - lx);
nx = lx;
}
}
}
}
// center snap
snap = options->centerSnapZone() * snapAdjust; //snap trigger
if (snap) {
int diffX = qAbs((xmin + xmax) / 2 - (cx + cw / 2));
int diffY = qAbs((ymin + ymax) / 2 - (cy + ch / 2));
if (diffX < snap && diffY < snap && diffX < deltaX && diffY < deltaY) {
// Snap to center of screen
nx = (xmin + xmax) / 2 - cw / 2;
ny = (ymin + ymax) / 2 - ch / 2;
} else if (options->borderSnapZone()) {
// Enhance border snap
if ((nx == xmin || nx == xmax - cw) && diffY < snap && diffY < deltaY) {
// Snap to vertical center on screen edge
ny = (ymin + ymax) / 2 - ch / 2;
} else if (((unrestricted ? ny == ymin : ny <= ymin) || ny == ymax - ch) &&
diffX < snap && diffX < deltaX) {
// Snap to horizontal center on screen edge
nx = (xmin + xmax) / 2 - cw / 2;
}
}
}
pos = QPoint(nx, ny);
}
return pos;
}
QRect Workspace::adjustClientSize(AbstractClient* c, QRect moveResizeGeom, int mode)
{
//adapted from adjustClientPosition on 29May2004
//this function is called when resizing a window and will modify
//the new dimensions to snap to other windows/borders if appropriate
if (options->windowSnapZone() || options->borderSnapZone()) { // || options->centerSnapZone )
const bool sOWO = options->isSnapOnlyWhenOverlapping();
const QRect maxRect = clientArea(MovementArea, c->rect().center(), c->desktop());
const int xmin = maxRect.left();
const int xmax = maxRect.right(); //desk size
const int ymin = maxRect.top();
const int ymax = maxRect.bottom();
const int cx(moveResizeGeom.left());
const int cy(moveResizeGeom.top());
const int rx(moveResizeGeom.right());
const int ry(moveResizeGeom.bottom());
int newcx(cx), newcy(cy); //buffers
int newrx(rx), newry(ry);
int deltaX(xmax);
int deltaY(ymax); //minimum distance to other clients
int lx, ly, lrx, lry; //coords and size for the comparison client, l
// border snap
int snap = options->borderSnapZone(); //snap trigger
if (snap) {
deltaX = int(snap);
deltaY = int(snap);
#define SNAP_BORDER_TOP \
if ((sOWO?(newcy<ymin):true) && (qAbs(ymin-newcy)<deltaY)) \
{ \
deltaY = qAbs(ymin-newcy); \
newcy = ymin; \
}
#define SNAP_BORDER_BOTTOM \
if ((sOWO?(newry>ymax):true) && (qAbs(ymax-newry)<deltaY)) \
{ \
deltaY = qAbs(ymax-newcy); \
newry = ymax; \
}
#define SNAP_BORDER_LEFT \
if ((sOWO?(newcx<xmin):true) && (qAbs(xmin-newcx)<deltaX)) \
{ \
deltaX = qAbs(xmin-newcx); \
newcx = xmin; \
}
#define SNAP_BORDER_RIGHT \
if ((sOWO?(newrx>xmax):true) && (qAbs(xmax-newrx)<deltaX)) \
{ \
deltaX = qAbs(xmax-newrx); \
newrx = xmax; \
}
switch(mode) {
case AbstractClient::PositionBottomRight:
SNAP_BORDER_BOTTOM
SNAP_BORDER_RIGHT
break;
case AbstractClient::PositionRight:
SNAP_BORDER_RIGHT
break;
case AbstractClient::PositionBottom:
SNAP_BORDER_BOTTOM
break;
case AbstractClient::PositionTopLeft:
SNAP_BORDER_TOP
SNAP_BORDER_LEFT
break;
case AbstractClient::PositionLeft:
SNAP_BORDER_LEFT
break;
case AbstractClient::PositionTop:
SNAP_BORDER_TOP
break;
case AbstractClient::PositionTopRight:
SNAP_BORDER_TOP
SNAP_BORDER_RIGHT
break;
case AbstractClient::PositionBottomLeft:
SNAP_BORDER_BOTTOM
SNAP_BORDER_LEFT
break;
default:
abort();
break;
}
}
// windows snap
snap = options->windowSnapZone();
if (snap) {
deltaX = int(snap);
deltaY = int(snap);
for (auto l = m_allClients.constBegin(); l != m_allClients.constEnd(); ++l) {
if ((*l)->isOnDesktop(VirtualDesktopManager::self()->current()) &&
!(*l)->isMinimized()
&& (*l) != c) {
lx = (*l)->x() - 1;
ly = (*l)->y() - 1;
lrx = (*l)->x() + (*l)->width();
lry = (*l)->y() + (*l)->height();
#define WITHIN_HEIGHT ((( newcy <= lry ) && ( newcy >= ly )) || \
(( newry >= ly ) && ( newry <= lry )) || \
(( newcy <= ly ) && ( newry >= lry )) )
#define WITHIN_WIDTH ( (( cx <= lrx ) && ( cx >= lx )) || \
(( rx >= lx ) && ( rx <= lrx )) || \
(( cx <= lx ) && ( rx >= lrx )) )
#define SNAP_WINDOW_TOP if ( (sOWO?(newcy<lry):true) \
&& WITHIN_WIDTH \
&& (qAbs( lry - newcy ) < deltaY) ) { \
deltaY = qAbs( lry - newcy ); \
newcy=lry; \
}
#define SNAP_WINDOW_BOTTOM if ( (sOWO?(newry>ly):true) \
&& WITHIN_WIDTH \
&& (qAbs( ly - newry ) < deltaY) ) { \
deltaY = qAbs( ly - newry ); \
newry=ly; \
}
#define SNAP_WINDOW_LEFT if ( (sOWO?(newcx<lrx):true) \
&& WITHIN_HEIGHT \
&& (qAbs( lrx - newcx ) < deltaX)) { \
deltaX = qAbs( lrx - newcx ); \
newcx=lrx; \
}
#define SNAP_WINDOW_RIGHT if ( (sOWO?(newrx>lx):true) \
&& WITHIN_HEIGHT \
&& (qAbs( lx - newrx ) < deltaX)) \
{ \
deltaX = qAbs( lx - newrx ); \
newrx=lx; \
}
#define SNAP_WINDOW_C_TOP if ( (sOWO?(newcy<ly):true) \
&& (newcx == lrx || newrx == lx) \
&& qAbs(ly-newcy) < deltaY ) { \
deltaY = qAbs( ly - newcy + 1 ); \
newcy = ly + 1; \
}
#define SNAP_WINDOW_C_BOTTOM if ( (sOWO?(newry>lry):true) \
&& (newcx == lrx || newrx == lx) \
&& qAbs(lry-newry) < deltaY ) { \
deltaY = qAbs( lry - newry - 1 ); \
newry = lry - 1; \
}
#define SNAP_WINDOW_C_LEFT if ( (sOWO?(newcx<lx):true) \
&& (newcy == lry || newry == ly) \
&& qAbs(lx-newcx) < deltaX ) { \
deltaX = qAbs( lx - newcx + 1 ); \
newcx = lx + 1; \
}
#define SNAP_WINDOW_C_RIGHT if ( (sOWO?(newrx>lrx):true) \
&& (newcy == lry || newry == ly) \
&& qAbs(lrx-newrx) < deltaX ) { \
deltaX = qAbs( lrx - newrx - 1 ); \
newrx = lrx - 1; \
}
switch(mode) {
case AbstractClient::PositionBottomRight:
SNAP_WINDOW_BOTTOM
SNAP_WINDOW_RIGHT
SNAP_WINDOW_C_BOTTOM
SNAP_WINDOW_C_RIGHT
break;
case AbstractClient::PositionRight:
SNAP_WINDOW_RIGHT
SNAP_WINDOW_C_RIGHT
break;
case AbstractClient::PositionBottom:
SNAP_WINDOW_BOTTOM
SNAP_WINDOW_C_BOTTOM
break;
case AbstractClient::PositionTopLeft:
SNAP_WINDOW_TOP
SNAP_WINDOW_LEFT
SNAP_WINDOW_C_TOP
SNAP_WINDOW_C_LEFT
break;
case AbstractClient::PositionLeft:
SNAP_WINDOW_LEFT
SNAP_WINDOW_C_LEFT
break;
case AbstractClient::PositionTop:
SNAP_WINDOW_TOP
SNAP_WINDOW_C_TOP
break;
case AbstractClient::PositionTopRight:
SNAP_WINDOW_TOP
SNAP_WINDOW_RIGHT
SNAP_WINDOW_C_TOP
SNAP_WINDOW_C_RIGHT
break;
case AbstractClient::PositionBottomLeft:
SNAP_WINDOW_BOTTOM
SNAP_WINDOW_LEFT
SNAP_WINDOW_C_BOTTOM
SNAP_WINDOW_C_LEFT
break;
default:
abort();
break;
}
}
}
}
// center snap
//snap = options->centerSnapZone;
//if (snap)
// {
// // Don't resize snap to center as it interferes too much
// // There are two ways of implementing this if wanted:
// // 1) Snap only to the same points that the move snap does, and
// // 2) Snap to the horizontal and vertical center lines of the screen
// }
moveResizeGeom = QRect(QPoint(newcx, newcy), QPoint(newrx, newry));
}
return moveResizeGeom;
}
/**
* Marks the client as being moved or resized by the user.
*/
void Workspace::setMoveResizeClient(AbstractClient *c)
{
Q_ASSERT(!c || !movingClient); // Catch attempts to move a second
// window while still moving the first one.
movingClient = c;
if (movingClient)
++block_focus;
else
--block_focus;
}
// When kwin crashes, windows will not be gravitated back to their original position
// and will remain offset by the size of the decoration. So when restarting, fix this
// (the property with the size of the frame remains on the window after the crash).
void Workspace::fixPositionAfterCrash(xcb_window_t w, const xcb_get_geometry_reply_t *geometry)
{
NETWinInfo i(connection(), w, rootWindow(), NET::WMFrameExtents, NET::Properties2());
NETStrut frame = i.frameExtents();
if (frame.left != 0 || frame.top != 0) {
// left and top needed due to narrowing conversations restrictions in C++11
const uint32_t left = frame.left;
const uint32_t top = frame.top;
const uint32_t values[] = { geometry->x - left, geometry->y - top };
xcb_configure_window(connection(), w, XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y, values);
}
}
//********************************************
// Client
//********************************************
/**
* Returns \a area with the client's strut taken into account.
*
* Used from Workspace in updateClientArea.
*/
// TODO move to Workspace?
QRect X11Client::adjustedClientArea(const QRect &desktopArea, const QRect& area) const
{
QRect r = area;
NETExtendedStrut str = strut();
QRect stareaL = QRect(
0,
str . left_start,
str . left_width,
str . left_end - str . left_start + 1);
QRect stareaR = QRect(
desktopArea . right() - str . right_width + 1,
str . right_start,
str . right_width,
str . right_end - str . right_start + 1);
QRect stareaT = QRect(
str . top_start,
0,
str . top_end - str . top_start + 1,
str . top_width);
QRect stareaB = QRect(
str . bottom_start,
desktopArea . bottom() - str . bottom_width + 1,
str . bottom_end - str . bottom_start + 1,
str . bottom_width);
QRect screenarea = workspace()->clientArea(ScreenArea, this);
// HACK: workarea handling is not xinerama aware, so if this strut
// reserves place at a xinerama edge that's inside the virtual screen,
// ignore the strut for workspace setting.
if (area == QRect(QPoint(0, 0), screens()->displaySize())) {
if (stareaL.left() < screenarea.left())
stareaL = QRect();
if (stareaR.right() > screenarea.right())
stareaR = QRect();
if (stareaT.top() < screenarea.top())
stareaT = QRect();
if (stareaB.bottom() < screenarea.bottom())
stareaB = QRect();
}
// Handle struts at xinerama edges that are inside the virtual screen.
// They're given in virtual screen coordinates, make them affect only
// their xinerama screen.
stareaL.setLeft(qMax(stareaL.left(), screenarea.left()));
stareaR.setRight(qMin(stareaR.right(), screenarea.right()));
stareaT.setTop(qMax(stareaT.top(), screenarea.top()));
stareaB.setBottom(qMin(stareaB.bottom(), screenarea.bottom()));
if (stareaL . intersects(area)) {
// qDebug() << "Moving left of: " << r << " to " << stareaL.right() + 1;
r . setLeft(stareaL . right() + 1);
}
if (stareaR . intersects(area)) {
// qDebug() << "Moving right of: " << r << " to " << stareaR.left() - 1;
r . setRight(stareaR . left() - 1);
}
if (stareaT . intersects(area)) {
// qDebug() << "Moving top of: " << r << " to " << stareaT.bottom() + 1;
r . setTop(stareaT . bottom() + 1);
}
if (stareaB . intersects(area)) {
// qDebug() << "Moving bottom of: " << r << " to " << stareaB.top() - 1;
r . setBottom(stareaB . top() - 1);
}
return r;
}
NETExtendedStrut X11Client::strut() const
{
NETExtendedStrut ext = info->extendedStrut();
NETStrut str = info->strut();
const QSize displaySize = screens()->displaySize();
if (ext.left_width == 0 && ext.right_width == 0 && ext.top_width == 0 && ext.bottom_width == 0
&& (str.left != 0 || str.right != 0 || str.top != 0 || str.bottom != 0)) {
// build extended from simple
if (str.left != 0) {
ext.left_width = str.left;
ext.left_start = 0;
ext.left_end = displaySize.height();
}
if (str.right != 0) {
ext.right_width = str.right;
ext.right_start = 0;
ext.right_end = displaySize.height();
}
if (str.top != 0) {
ext.top_width = str.top;
ext.top_start = 0;
ext.top_end = displaySize.width();
}
if (str.bottom != 0) {
ext.bottom_width = str.bottom;
ext.bottom_start = 0;
ext.bottom_end = displaySize.width();
}
}
return ext;
}
StrutRect X11Client::strutRect(StrutArea area) const
{
Q_ASSERT(area != StrutAreaAll); // Not valid
const QSize displaySize = screens()->displaySize();
NETExtendedStrut strutArea = strut();
switch(area) {
case StrutAreaTop:
if (strutArea.top_width != 0)
return StrutRect(QRect(
strutArea.top_start, 0,
strutArea.top_end - strutArea.top_start, strutArea.top_width
), StrutAreaTop);
break;
case StrutAreaRight:
if (strutArea.right_width != 0)
return StrutRect(QRect(
displaySize.width() - strutArea.right_width, strutArea.right_start,
strutArea.right_width, strutArea.right_end - strutArea.right_start
), StrutAreaRight);
break;
case StrutAreaBottom:
if (strutArea.bottom_width != 0)
return StrutRect(QRect(
strutArea.bottom_start, displaySize.height() - strutArea.bottom_width,
strutArea.bottom_end - strutArea.bottom_start, strutArea.bottom_width
), StrutAreaBottom);
break;
case StrutAreaLeft:
if (strutArea.left_width != 0)
return StrutRect(QRect(
0, strutArea.left_start,
strutArea.left_width, strutArea.left_end - strutArea.left_start
), StrutAreaLeft);
break;
default:
abort(); // Not valid
}
return StrutRect(); // Null rect
}
StrutRects X11Client::strutRects() const
{
StrutRects region;
region += strutRect(StrutAreaTop);
region += strutRect(StrutAreaRight);
region += strutRect(StrutAreaBottom);
region += strutRect(StrutAreaLeft);
return region;
}
bool X11Client::hasStrut() const
{
NETExtendedStrut ext = strut();
if (ext.left_width == 0 && ext.right_width == 0 && ext.top_width == 0 && ext.bottom_width == 0)
return false;
return true;
}
bool X11Client::hasOffscreenXineramaStrut() const
{
// Get strut as a QRegion
QRegion region;
region += strutRect(StrutAreaTop);
region += strutRect(StrutAreaRight);
region += strutRect(StrutAreaBottom);
region += strutRect(StrutAreaLeft);
// Remove all visible areas so that only the invisible remain
for (int i = 0; i < screens()->count(); i ++)
region -= screens()->geometry(i);
// If there's anything left then we have an offscreen strut
return !region.isEmpty();
}
void AbstractClient::checkWorkspacePosition(QRect oldGeometry, int oldDesktop, QRect oldClientGeometry)
{
enum { Left = 0, Top, Right, Bottom };
const int border[4] = { borderLeft(), borderTop(), borderRight(), borderBottom() };
if( !oldGeometry.isValid())
oldGeometry = frameGeometry();
if( oldDesktop == -2 )
oldDesktop = desktop();
if (!oldClientGeometry.isValid())
oldClientGeometry = oldGeometry.adjusted(border[Left], border[Top], -border[Right], -border[Bottom]);
if (isDesktop())
return;
if (isFullScreen()) {
QRect area = workspace()->clientArea(FullScreenArea, this);
if (frameGeometry() != area)
setFrameGeometry(area);
return;
}
if (isDock())
return;
if (maximizeMode() != MaximizeRestore) {
// TODO update geom_restore?
changeMaximize(false, false, true); // adjust size
const QRect screenArea = workspace()->clientArea(ScreenArea, this);
QRect geom = frameGeometry();
checkOffscreenPosition(&geom, screenArea);
setFrameGeometry(geom);
return;
}
if (quickTileMode() != QuickTileMode(QuickTileFlag::None)) {
setFrameGeometry(electricBorderMaximizeGeometry(frameGeometry().center(), desktop()));
return;
}
// this can be true only if this window was mapped before KWin
// was started - in such case, don't adjust position to workarea,
// because the window already had its position, and if a window
// with a strut altering the workarea would be managed in initialization
// after this one, this window would be moved
if (!workspace() || workspace()->initializing())
return;
// If the window was touching an edge before but not now move it so it is again.
// Old and new maximums have different starting values so windows on the screen
// edge will move when a new strut is placed on the edge.
QRect oldScreenArea;
if( workspace()->inUpdateClientArea()) {
// we need to find the screen area as it was before the change
oldScreenArea = QRect( 0, 0, workspace()->oldDisplayWidth(), workspace()->oldDisplayHeight());
int distance = INT_MAX;
foreach(const QRect &r, workspace()->previousScreenSizes()) {
int d = r.contains( oldGeometry.center()) ? 0 : ( r.center() - oldGeometry.center()).manhattanLength();
if( d < distance ) {
distance = d;
oldScreenArea = r;
}
}
} else {
oldScreenArea = workspace()->clientArea(ScreenArea, oldGeometry.center(), oldDesktop);
}
const QRect oldGeomTall = QRect(oldGeometry.x(), oldScreenArea.y(), oldGeometry.width(), oldScreenArea.height()); // Full screen height
const QRect oldGeomWide = QRect(oldScreenArea.x(), oldGeometry.y(), oldScreenArea.width(), oldGeometry.height()); // Full screen width
int oldTopMax = oldScreenArea.y();
int oldRightMax = oldScreenArea.x() + oldScreenArea.width();
int oldBottomMax = oldScreenArea.y() + oldScreenArea.height();
int oldLeftMax = oldScreenArea.x();
const QRect screenArea = workspace()->clientArea(ScreenArea, geometryRestore().center(), desktop());
int topMax = screenArea.y();
int rightMax = screenArea.x() + screenArea.width();
int bottomMax = screenArea.y() + screenArea.height();
int leftMax = screenArea.x();
QRect newGeom = geometryRestore(); // geometry();
QRect newClientGeom = newGeom.adjusted(border[Left], border[Top], -border[Right], -border[Bottom]);
const QRect newGeomTall = QRect(newGeom.x(), screenArea.y(), newGeom.width(), screenArea.height()); // Full screen height
const QRect newGeomWide = QRect(screenArea.x(), newGeom.y(), screenArea.width(), newGeom.height()); // Full screen width
// Get the max strut point for each side where the window is (E.g. Highest point for
// the bottom struts bounded by the window's left and right sides).
// These 4 compute old bounds ...
auto moveAreaFunc = workspace()->inUpdateClientArea() ?
&Workspace::previousRestrictedMoveArea : //... the restricted areas changed
&Workspace::restrictedMoveArea; //... when e.g. active desktop or screen changes
for (const QRect &r : (workspace()->*moveAreaFunc)(oldDesktop, StrutAreaTop)) {
QRect rect = r & oldGeomTall;
if (!rect.isEmpty())
oldTopMax = qMax(oldTopMax, rect.y() + rect.height());
}
for (const QRect &r : (workspace()->*moveAreaFunc)(oldDesktop, StrutAreaRight)) {
QRect rect = r & oldGeomWide;
if (!rect.isEmpty())
oldRightMax = qMin(oldRightMax, rect.x());
}
for (const QRect &r : (workspace()->*moveAreaFunc)(oldDesktop, StrutAreaBottom)) {
QRect rect = r & oldGeomTall;
if (!rect.isEmpty())
oldBottomMax = qMin(oldBottomMax, rect.y());
}
for (const QRect &r : (workspace()->*moveAreaFunc)(oldDesktop, StrutAreaLeft)) {
QRect rect = r & oldGeomWide;
if (!rect.isEmpty())
oldLeftMax = qMax(oldLeftMax, rect.x() + rect.width());
}
// These 4 compute new bounds
for (const QRect &r : workspace()->restrictedMoveArea(desktop(), StrutAreaTop)) {
QRect rect = r & newGeomTall;
if (!rect.isEmpty())
topMax = qMax(topMax, rect.y() + rect.height());
}
for (const QRect &r : workspace()->restrictedMoveArea(desktop(), StrutAreaRight)) {
QRect rect = r & newGeomWide;
if (!rect.isEmpty())
rightMax = qMin(rightMax, rect.x());
}
for (const QRect &r : workspace()->restrictedMoveArea(desktop(), StrutAreaBottom)) {
QRect rect = r & newGeomTall;
if (!rect.isEmpty())
bottomMax = qMin(bottomMax, rect.y());
}
for (const QRect &r : workspace()->restrictedMoveArea(desktop(), StrutAreaLeft)) {
QRect rect = r & newGeomWide;
if (!rect.isEmpty())
leftMax = qMax(leftMax, rect.x() + rect.width());
}
// Check if the sides were inside or touching but are no longer
bool keep[4] = {false, false, false, false};
bool save[4] = {false, false, false, false};
int padding[4] = {0, 0, 0, 0};
if (oldGeometry.x() >= oldLeftMax)
save[Left] = newGeom.x() < leftMax;
if (oldGeometry.x() == oldLeftMax)
keep[Left] = newGeom.x() != leftMax;
else if (oldClientGeometry.x() == oldLeftMax && newClientGeom.x() != leftMax) {
padding[0] = border[Left];
keep[Left] = true;
}
if (oldGeometry.y() >= oldTopMax)
save[Top] = newGeom.y() < topMax;
if (oldGeometry.y() == oldTopMax)
keep[Top] = newGeom.y() != topMax;
else if (oldClientGeometry.y() == oldTopMax && newClientGeom.y() != topMax) {
padding[1] = border[Left];
keep[Top] = true;
}
if (oldGeometry.right() <= oldRightMax - 1)
save[Right] = newGeom.right() > rightMax - 1;
if (oldGeometry.right() == oldRightMax - 1)
keep[Right] = newGeom.right() != rightMax - 1;
else if (oldClientGeometry.right() == oldRightMax - 1 && newClientGeom.right() != rightMax - 1) {
padding[2] = border[Right];
keep[Right] = true;
}
if (oldGeometry.bottom() <= oldBottomMax - 1)
save[Bottom] = newGeom.bottom() > bottomMax - 1;
if (oldGeometry.bottom() == oldBottomMax - 1)
keep[Bottom] = newGeom.bottom() != bottomMax - 1;
else if (oldClientGeometry.bottom() == oldBottomMax - 1 && newClientGeom.bottom() != bottomMax - 1) {
padding[3] = border[Bottom];
keep[Bottom] = true;
}
// if randomly touches opposing edges, do not favor either
if (keep[Left] && keep[Right]) {
keep[Left] = keep[Right] = false;
padding[0] = padding[2] = 0;
}
if (keep[Top] && keep[Bottom]) {
keep[Top] = keep[Bottom] = false;
padding[1] = padding[3] = 0;
}
if (save[Left] || keep[Left])
newGeom.moveLeft(qMax(leftMax, screenArea.x()) - padding[0]);
if (padding[0] && screens()->intersecting(newGeom) > 1)
newGeom.moveLeft(newGeom.left() + padding[0]);
if (save[Top] || keep[Top])
newGeom.moveTop(qMax(topMax, screenArea.y()) - padding[1]);
if (padding[1] && screens()->intersecting(newGeom) > 1)
newGeom.moveTop(newGeom.top() + padding[1]);
if (save[Right] || keep[Right])
newGeom.moveRight(qMin(rightMax - 1, screenArea.right()) + padding[2]);
if (padding[2] && screens()->intersecting(newGeom) > 1)
newGeom.moveRight(newGeom.right() - padding[2]);
if (oldGeometry.x() >= oldLeftMax && newGeom.x() < leftMax)
newGeom.setLeft(qMax(leftMax, screenArea.x()));
else if (oldClientGeometry.x() >= oldLeftMax && newGeom.x() + border[Left] < leftMax) {
newGeom.setLeft(qMax(leftMax, screenArea.x()) - border[Left]);
if (screens()->intersecting(newGeom) > 1)
newGeom.setLeft(newGeom.left() + border[Left]);
}
if (save[Bottom] || keep[Bottom])
newGeom.moveBottom(qMin(bottomMax - 1, screenArea.bottom()) + padding[3]);
if (padding[3] && screens()->intersecting(newGeom) > 1)
newGeom.moveBottom(newGeom.bottom() - padding[3]);
if (oldGeometry.y() >= oldTopMax && newGeom.y() < topMax)
newGeom.setTop(qMax(topMax, screenArea.y()));
else if (oldClientGeometry.y() >= oldTopMax && newGeom.y() + border[Top] < topMax) {
newGeom.setTop(qMax(topMax, screenArea.y()) - border[Top]);
if (screens()->intersecting(newGeom) > 1)
newGeom.setTop(newGeom.top() + border[Top]);
}
checkOffscreenPosition(&newGeom, screenArea);
// Obey size hints. TODO: We really should make sure it stays in the right place
if (!isShade())
newGeom.setSize(adjustedSize(newGeom.size()));
if (newGeom != frameGeometry())
setFrameGeometry(newGeom);
}
void AbstractClient::checkOffscreenPosition(QRect* geom, const QRect& screenArea)
{
if (geom->left() > screenArea.right()) {
geom->moveLeft(screenArea.right() - screenArea.width()/4);
} else if (geom->right() < screenArea.left()) {
geom->moveRight(screenArea.left() + screenArea.width()/4);
}
if (geom->top() > screenArea.bottom()) {
geom->moveTop(screenArea.bottom() - screenArea.height()/4);
} else if (geom->bottom() < screenArea.top()) {
geom->moveBottom(screenArea.top() + screenArea.width()/4);
}
}
QSize AbstractClient::adjustedSize(const QSize& frame, Sizemode mode) const
{
// first, get the window size for the given frame size s
QSize wsize = frameSizeToClientSize(frame);
if (wsize.isEmpty())
wsize = QSize(qMax(wsize.width(), 1), qMax(wsize.height(), 1));
return sizeForClientSize(wsize, mode, false);
}
// this helper returns proper size even if the window is shaded
// see also the comment in X11Client::setGeometry()
QSize AbstractClient::adjustedSize() const
{
return sizeForClientSize(clientSize());
}
/**
* Calculate the appropriate frame size for the given client size \a
* wsize.
*
* \a wsize is adapted according to the window's size hints (minimum,
* maximum and incremental size changes).
*/
QSize X11Client::sizeForClientSize(const QSize& wsize, Sizemode mode, bool noframe) const
{
int w = wsize.width();
int h = wsize.height();
if (w < 1 || h < 1) {
qCWarning(KWIN_CORE) << "sizeForClientSize() with empty size!" ;
}
if (w < 1) w = 1;
if (h < 1) h = 1;
// basesize, minsize, maxsize, paspect and resizeinc have all values defined,
// even if they're not set in flags - see getWmNormalHints()
QSize min_size = minSize();
QSize max_size = maxSize();
if (isDecorated()) {
QSize decominsize(0, 0);
QSize border_size(borderLeft() + borderRight(), borderTop() + borderBottom());
if (border_size.width() > decominsize.width()) // just in case
decominsize.setWidth(border_size.width());
if (border_size.height() > decominsize.height())
decominsize.setHeight(border_size.height());
if (decominsize.width() > min_size.width())
min_size.setWidth(decominsize.width());
if (decominsize.height() > min_size.height())
min_size.setHeight(decominsize.height());
}
w = qMin(max_size.width(), w);
h = qMin(max_size.height(), h);
w = qMax(min_size.width(), w);
h = qMax(min_size.height(), h);
int w1 = w;
int h1 = h;
int width_inc = m_geometryHints.resizeIncrements().width();
int height_inc = m_geometryHints.resizeIncrements().height();
int basew_inc = m_geometryHints.baseSize().width();
int baseh_inc = m_geometryHints.baseSize().height();
if (!m_geometryHints.hasBaseSize()) {
basew_inc = m_geometryHints.minSize().width();
baseh_inc = m_geometryHints.minSize().height();
}
w = int((w - basew_inc) / width_inc) * width_inc + basew_inc;
h = int((h - baseh_inc) / height_inc) * height_inc + baseh_inc;
// code for aspect ratios based on code from FVWM
/*
* The math looks like this:
*
* minAspectX dwidth maxAspectX
* ---------- <= ------- <= ----------
* minAspectY dheight maxAspectY
*
* If that is multiplied out, then the width and height are
* invalid in the following situations:
*
* minAspectX * dheight > minAspectY * dwidth
* maxAspectX * dheight < maxAspectY * dwidth
*
*/
if (m_geometryHints.hasAspect()) {
double min_aspect_w = m_geometryHints.minAspect().width(); // use doubles, because the values can be MAX_INT
double min_aspect_h = m_geometryHints.minAspect().height(); // and multiplying would go wrong otherwise
double max_aspect_w = m_geometryHints.maxAspect().width();
double max_aspect_h = m_geometryHints.maxAspect().height();
// According to ICCCM 4.1.2.3 PMinSize should be a fallback for PBaseSize for size increments,
// but not for aspect ratio. Since this code comes from FVWM, handles both at the same time,
// and I have no idea how it works, let's hope nobody relies on that.
const QSize baseSize = m_geometryHints.baseSize();
w -= baseSize.width();
h -= baseSize.height();
int max_width = max_size.width() - baseSize.width();
int min_width = min_size.width() - baseSize.width();
int max_height = max_size.height() - baseSize.height();
int min_height = min_size.height() - baseSize.height();
#define ASPECT_CHECK_GROW_W \
if ( min_aspect_w * h > min_aspect_h * w ) \
{ \
int delta = int( min_aspect_w * h / min_aspect_h - w ) / width_inc * width_inc; \
if ( w + delta <= max_width ) \
w += delta; \
}
#define ASPECT_CHECK_SHRINK_H_GROW_W \
if ( min_aspect_w * h > min_aspect_h * w ) \
{ \
int delta = int( h - w * min_aspect_h / min_aspect_w ) / height_inc * height_inc; \
if ( h - delta >= min_height ) \
h -= delta; \
else \
{ \
int delta = int( min_aspect_w * h / min_aspect_h - w ) / width_inc * width_inc; \
if ( w + delta <= max_width ) \
w += delta; \
} \
}
#define ASPECT_CHECK_GROW_H \
if ( max_aspect_w * h < max_aspect_h * w ) \
{ \
int delta = int( w * max_aspect_h / max_aspect_w - h ) / height_inc * height_inc; \
if ( h + delta <= max_height ) \
h += delta; \
}
#define ASPECT_CHECK_SHRINK_W_GROW_H \
if ( max_aspect_w * h < max_aspect_h * w ) \
{ \
int delta = int( w - max_aspect_w * h / max_aspect_h ) / width_inc * width_inc; \
if ( w - delta >= min_width ) \
w -= delta; \
else \
{ \
int delta = int( w * max_aspect_h / max_aspect_w - h ) / height_inc * height_inc; \
if ( h + delta <= max_height ) \
h += delta; \
} \
}
switch(mode) {
case SizemodeAny:
#if 0 // make SizemodeAny equal to SizemodeFixedW - prefer keeping fixed width,
// so that changing aspect ratio to a different value and back keeps the same size (#87298)
{
ASPECT_CHECK_SHRINK_H_GROW_W
ASPECT_CHECK_SHRINK_W_GROW_H
ASPECT_CHECK_GROW_H
ASPECT_CHECK_GROW_W
break;
}
#endif
case SizemodeFixedW: {
// the checks are order so that attempts to modify height are first
ASPECT_CHECK_GROW_H
ASPECT_CHECK_SHRINK_H_GROW_W
ASPECT_CHECK_SHRINK_W_GROW_H
ASPECT_CHECK_GROW_W
break;
}
case SizemodeFixedH: {
ASPECT_CHECK_GROW_W
ASPECT_CHECK_SHRINK_W_GROW_H
ASPECT_CHECK_SHRINK_H_GROW_W
ASPECT_CHECK_GROW_H
break;
}
case SizemodeMax: {
// first checks that try to shrink
ASPECT_CHECK_SHRINK_H_GROW_W
ASPECT_CHECK_SHRINK_W_GROW_H
ASPECT_CHECK_GROW_W
ASPECT_CHECK_GROW_H
break;
}
}
#undef ASPECT_CHECK_SHRINK_H_GROW_W
#undef ASPECT_CHECK_SHRINK_W_GROW_H
#undef ASPECT_CHECK_GROW_W
#undef ASPECT_CHECK_GROW_H
w += baseSize.width();
h += baseSize.height();
}
if (!rules()->checkStrictGeometry(!isFullScreen())) {
// disobey increments and aspect by explicit rule
w = w1;
h = h1;
}
QSize size(w, h);
if (!noframe) {
size = clientSizeToFrameSize(size);
}
return rules()->checkSize(size);
}
/**
* Gets the client's normal WM hints and reconfigures itself respectively.
*/
void X11Client::getWmNormalHints()
{
const bool hadFixedAspect = m_geometryHints.hasAspect();
// roundtrip to X server
m_geometryHints.fetch();
m_geometryHints.read();
if (!hadFixedAspect && m_geometryHints.hasAspect()) {
// align to eventual new contraints
maximize(max_mode);
}
if (isManaged()) {
// update to match restrictions
QSize new_size = adjustedSize();
if (new_size != size() && !isFullScreen()) {
QRect origClientGeometry = m_clientGeometry;
resizeWithChecks(new_size);
if ((!isSpecialWindow() || isToolbar()) && !isFullScreen()) {
// try to keep the window in its xinerama screen if possible,
// if that fails at least keep it visible somewhere
QRect area = workspace()->clientArea(MovementArea, this);
if (area.contains(origClientGeometry))
keepInArea(area);
area = workspace()->clientArea(WorkArea, this);
if (area.contains(origClientGeometry))
keepInArea(area);
}
}
}
updateAllowedActions(); // affects isResizeable()
}
QSize X11Client::minSize() const
{
return rules()->checkMinSize(m_geometryHints.minSize());
}
QSize X11Client::maxSize() const
{
return rules()->checkMaxSize(m_geometryHints.maxSize());
}
QSize X11Client::basicUnit() const
{
return m_geometryHints.resizeIncrements();
}
/**
* Auxiliary function to inform the client about the current window
* configuration.
*/
void X11Client::sendSyntheticConfigureNotify()
{
xcb_configure_notify_event_t c;
memset(&c, 0, sizeof(c));
c.response_type = XCB_CONFIGURE_NOTIFY;
c.event = window();
c.window = window();
c.x = m_clientGeometry.x();
c.y = m_clientGeometry.y();
c.width = m_clientGeometry.width();
c.height = m_clientGeometry.height();
c.border_width = 0;
c.above_sibling = XCB_WINDOW_NONE;
c.override_redirect = 0;
xcb_send_event(connection(), true, c.event, XCB_EVENT_MASK_STRUCTURE_NOTIFY, reinterpret_cast<const char*>(&c));
xcb_flush(connection());
}
QPoint X11Client::gravityAdjustment(xcb_gravity_t gravity) const
{
int dx = 0;
int dy = 0;
// dx, dy specify how the client window moves to make space for the frame.
// In general we have to compute the reference point and from that figure
// out how much we need to shift the client, however given that we ignore
// the border width attribute and the extents of the server-side decoration
// are known in advance, we can simplify the math quite a bit and express
// the required window gravity adjustment in terms of border sizes.
switch(gravity) {
case XCB_GRAVITY_NORTH_WEST: // move down right
default:
dx = borderLeft();
dy = borderTop();
break;
case XCB_GRAVITY_NORTH: // move right
dx = 0;
dy = borderTop();
break;
case XCB_GRAVITY_NORTH_EAST: // move down left
dx = -borderRight();
dy = borderTop();
break;
case XCB_GRAVITY_WEST: // move right
dx = borderLeft();
dy = 0;
break;
case XCB_GRAVITY_CENTER:
dx = (borderLeft() - borderRight()) / 2;
dy = (borderTop() - borderBottom()) / 2;
break;
case XCB_GRAVITY_STATIC: // don't move
dx = 0;
dy = 0;
break;
case XCB_GRAVITY_EAST: // move left
dx = -borderRight();
dy = 0;
break;
case XCB_GRAVITY_SOUTH_WEST: // move up right
dx = borderLeft() ;
dy = -borderBottom();
break;
case XCB_GRAVITY_SOUTH: // move up
dx = 0;
dy = -borderBottom();
break;
case XCB_GRAVITY_SOUTH_EAST: // move up left
dx = -borderRight();
dy = -borderBottom();
break;
}
return QPoint(dx, dy);
}
const QPoint X11Client::calculateGravitation(bool invert) const
{
const QPoint adjustment = gravityAdjustment(m_geometryHints.windowGravity());
// translate from client movement to frame movement
const int dx = adjustment.x() - borderLeft();
const int dy = adjustment.y() - borderTop();
if (!invert)
return QPoint(x() + dx, y() + dy);
else
return QPoint(x() - dx, y() - dy);
}
void X11Client::configureRequest(int value_mask, int rx, int ry, int rw, int rh, int gravity, bool from_tool)
{
const int configurePositionMask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y;
const int configureSizeMask = XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT;
const int configureGeometryMask = configurePositionMask | configureSizeMask;
// "maximized" is a user setting -> we do not allow the client to resize itself
// away from this & against the users explicit wish
qCDebug(KWIN_CORE) << this << bool(value_mask & configureGeometryMask) <<
bool(maximizeMode() & MaximizeVertical) <<
bool(maximizeMode() & MaximizeHorizontal);
// we want to (partially) ignore the request when the window is somehow maximized or quicktiled
bool ignore = !app_noborder && (quickTileMode() != QuickTileMode(QuickTileFlag::None) || maximizeMode() != MaximizeRestore);
// however, the user shall be able to force obedience despite and also disobedience in general
ignore = rules()->checkIgnoreGeometry(ignore);
if (!ignore) { // either we're not max'd / q'tiled or the user allowed the client to break that - so break it.
updateQuickTileMode(QuickTileFlag::None);
max_mode = MaximizeRestore;
emit quickTileModeChanged();
} else if (!app_noborder && quickTileMode() == QuickTileMode(QuickTileFlag::None) &&
(maximizeMode() == MaximizeVertical || maximizeMode() == MaximizeHorizontal)) {
// ignoring can be, because either we do, or the user does explicitly not want it.
// for partially maximized windows we want to allow configures in the other dimension.
// so we've to ask the user again - to know whether we just ignored for the partial maximization.
// the problem here is, that the user can explicitly permit configure requests - even for maximized windows!
// we cannot distinguish that from passing "false" for partially maximized windows.
ignore = rules()->checkIgnoreGeometry(false);
if (!ignore) { // the user is not interested, so we fix up dimensions
if (maximizeMode() == MaximizeVertical)
value_mask &= ~(XCB_CONFIG_WINDOW_Y | XCB_CONFIG_WINDOW_HEIGHT);
if (maximizeMode() == MaximizeHorizontal)
value_mask &= ~(XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_WIDTH);
if (!(value_mask & configureGeometryMask)) {
ignore = true; // the modification turned the request void
}
}
}
if (ignore) {
qCDebug(KWIN_CORE) << "DENIED";
return; // nothing to (left) to do for use - bugs #158974, #252314, #321491
}
qCDebug(KWIN_CORE) << "PERMITTED" << this << bool(value_mask & configureGeometryMask);
if (gravity == 0) // default (nonsense) value for the argument
gravity = m_geometryHints.windowGravity();
if (value_mask & configurePositionMask) {
QPoint new_pos = framePosToClientPos(pos());
new_pos -= gravityAdjustment(xcb_gravity_t(gravity));
if (value_mask & XCB_CONFIG_WINDOW_X) {
new_pos.setX(rx);
}
if (value_mask & XCB_CONFIG_WINDOW_Y) {
new_pos.setY(ry);
}
// clever(?) workaround for applications like xv that want to set
// the location to the current location but miscalculate the
// frame size due to kwin being a double-reparenting window
// manager
if (new_pos.x() == m_clientGeometry.x() && new_pos.y() == m_clientGeometry.y()
&& gravity == XCB_GRAVITY_NORTH_WEST && !from_tool) {
new_pos.setX(x());
new_pos.setY(y());
}
new_pos += gravityAdjustment(xcb_gravity_t(gravity));
new_pos = clientPosToFramePos(new_pos);
int nw = clientSize().width();
int nh = clientSize().height();
if (value_mask & XCB_CONFIG_WINDOW_WIDTH) {
nw = rw;
}
if (value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
nh = rh;
}
QSize ns = sizeForClientSize(QSize(nw, nh)); // enforces size if needed
new_pos = rules()->checkPosition(new_pos);
int newScreen = screens()->number(QRect(new_pos, ns).center());
if (newScreen != rules()->checkScreen(newScreen))
return; // not allowed by rule
QRect origClientGeometry = m_clientGeometry;
GeometryUpdatesBlocker blocker(this);
move(new_pos);
plainResize(ns);
QRect area = workspace()->clientArea(WorkArea, this);
if (!from_tool && (!isSpecialWindow() || isToolbar()) && !isFullScreen()
&& area.contains(origClientGeometry))
keepInArea(area);
// this is part of the kicker-xinerama-hack... it should be
// safe to remove when kicker gets proper ExtendedStrut support;
// see Workspace::updateClientArea() and
// X11Client::adjustedClientArea()
if (hasStrut())
workspace() -> updateClientArea();
}
if (value_mask & configureSizeMask && !(value_mask & configurePositionMask)) { // pure resize
int nw = clientSize().width();
int nh = clientSize().height();
if (value_mask & XCB_CONFIG_WINDOW_WIDTH) {
nw = rw;
}
if (value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
nh = rh;
}
QSize ns = sizeForClientSize(QSize(nw, nh));
if (ns != size()) { // don't restore if some app sets its own size again
QRect origClientGeometry = m_clientGeometry;
GeometryUpdatesBlocker blocker(this);
resizeWithChecks(ns, xcb_gravity_t(gravity));
if (!from_tool && (!isSpecialWindow() || isToolbar()) && !isFullScreen()) {
// try to keep the window in its xinerama screen if possible,
// if that fails at least keep it visible somewhere
QRect area = workspace()->clientArea(MovementArea, this);
if (area.contains(origClientGeometry))
keepInArea(area);
area = workspace()->clientArea(WorkArea, this);
if (area.contains(origClientGeometry))
keepInArea(area);
}
}
}
geom_restore = frameGeometry();
// No need to send synthetic configure notify event here, either it's sent together
// with geometry change, or there's no need to send it.
// Handling of the real ConfigureRequest event forces sending it, as there it's necessary.
}
void X11Client::resizeWithChecks(int w, int h, xcb_gravity_t gravity, ForceGeometry_t force)
{
Q_ASSERT(!shade_geometry_change);
if (isShade()) {
if (h == borderTop() + borderBottom()) {
qCWarning(KWIN_CORE) << "Shaded geometry passed for size:" ;
}
}
int newx = x();
int newy = y();
QRect area = workspace()->clientArea(WorkArea, this);
// don't allow growing larger than workarea
if (w > area.width())
w = area.width();
if (h > area.height())
h = area.height();
QSize tmp = adjustedSize(QSize(w, h)); // checks size constraints, including min/max size
w = tmp.width();
h = tmp.height();
if (gravity == 0) {
gravity = m_geometryHints.windowGravity();
}
switch(gravity) {
case XCB_GRAVITY_NORTH_WEST: // top left corner doesn't move
default:
break;
case XCB_GRAVITY_NORTH: // middle of top border doesn't move
newx = (newx + width() / 2) - (w / 2);
break;
case XCB_GRAVITY_NORTH_EAST: // top right corner doesn't move
newx = newx + width() - w;
break;
case XCB_GRAVITY_WEST: // middle of left border doesn't move
newy = (newy + height() / 2) - (h / 2);
break;
case XCB_GRAVITY_CENTER: // middle point doesn't move
newx = (newx + width() / 2) - (w / 2);
newy = (newy + height() / 2) - (h / 2);
break;
case XCB_GRAVITY_STATIC: // top left corner of _client_ window doesn't move
// since decoration doesn't change, equal to NorthWestGravity
break;
case XCB_GRAVITY_EAST: // // middle of right border doesn't move
newx = newx + width() - w;
newy = (newy + height() / 2) - (h / 2);
break;
case XCB_GRAVITY_SOUTH_WEST: // bottom left corner doesn't move
newy = newy + height() - h;
break;
case XCB_GRAVITY_SOUTH: // middle of bottom border doesn't move
newx = (newx + width() / 2) - (w / 2);
newy = newy + height() - h;
break;
case XCB_GRAVITY_SOUTH_EAST: // bottom right corner doesn't move
newx = newx + width() - w;
newy = newy + height() - h;
break;
}
setFrameGeometry(newx, newy, w, h, force);
}
// _NET_MOVERESIZE_WINDOW
void X11Client::NETMoveResizeWindow(int flags, int x, int y, int width, int height)
{
int gravity = flags & 0xff;
int value_mask = 0;
if (flags & (1 << 8)) {
value_mask |= XCB_CONFIG_WINDOW_X;
}
if (flags & (1 << 9)) {
value_mask |= XCB_CONFIG_WINDOW_Y;
}
if (flags & (1 << 10)) {
value_mask |= XCB_CONFIG_WINDOW_WIDTH;
}
if (flags & (1 << 11)) {
value_mask |= XCB_CONFIG_WINDOW_HEIGHT;
}
configureRequest(value_mask, x, y, width, height, gravity, true);
}
bool X11Client::isMovable() const
{
if (!hasNETSupport() && !m_motif.move()) {
return false;
}
if (isFullScreen())
return false;
if (isSpecialWindow() && !isSplash() && !isToolbar()) // allow moving of splashscreens :)
return false;
if (rules()->checkPosition(invalidPoint) != invalidPoint) // forced position
return false;
return true;
}
bool X11Client::isMovableAcrossScreens() const
{
if (!hasNETSupport() && !m_motif.move()) {
return false;
}
if (isSpecialWindow() && !isSplash() && !isToolbar()) // allow moving of splashscreens :)
return false;
if (rules()->checkPosition(invalidPoint) != invalidPoint) // forced position
return false;
return true;
}
bool X11Client::isResizable() const
{
if (!hasNETSupport() && !m_motif.resize()) {
return false;
}
if (isFullScreen())
return false;
if (isSpecialWindow() || isSplash() || isToolbar())
return false;
if (rules()->checkSize(QSize()).isValid()) // forced size
return false;
const Position mode = moveResizePointerMode();
if ((mode == PositionTop || mode == PositionTopLeft || mode == PositionTopRight ||
mode == PositionLeft || mode == PositionBottomLeft) && rules()->checkPosition(invalidPoint) != invalidPoint)
return false;
QSize min = minSize();
QSize max = maxSize();
return min.width() < max.width() || min.height() < max.height();
}
bool X11Client::isMaximizable() const
{
if (!isResizable() || isToolbar()) // SELI isToolbar() ?
return false;
if (rules()->checkMaximize(MaximizeRestore) == MaximizeRestore && rules()->checkMaximize(MaximizeFull) != MaximizeRestore)
return true;
return false;
}
/**
* Reimplemented to inform the client about the new window position.
*/
void X11Client::setFrameGeometry(int x, int y, int w, int h, ForceGeometry_t force)
{
// this code is also duplicated in X11Client::plainResize()
// Ok, the shading geometry stuff. Generally, code doesn't care about shaded geometry,
// simply because there are too many places dealing with geometry. Those places
// ignore shaded state and use normal geometry, which they usually should get
// from adjustedSize(). Such geometry comes here, and if the window is shaded,
// the geometry is used only for client_size, since that one is not used when
// shading. Then the frame geometry is adjusted for the shaded geometry.
// This gets more complicated in the case the code does only something like
// setGeometry( geometry()) - geometry() will return the shaded frame geometry.
// Such code is wrong and should be changed to handle the case when the window is shaded,
// for example using X11Client::clientSize()
QRect frameGeometry(x, y, w, h);
QRect bufferGeometry;
if (shade_geometry_change)
; // nothing
else if (isShade()) {
if (frameGeometry.height() == borderTop() + borderBottom()) {
qCDebug(KWIN_CORE) << "Shaded geometry passed for size:";
} else {
m_clientGeometry = frameRectToClientRect(frameGeometry);
frameGeometry.setHeight(borderTop() + borderBottom());
}
} else {
m_clientGeometry = frameRectToClientRect(frameGeometry);
}
if (isDecorated()) {
bufferGeometry = frameGeometry;
} else {
bufferGeometry = m_clientGeometry;
}
if (!areGeometryUpdatesBlocked() && frameGeometry != rules()->checkGeometry(frameGeometry)) {
qCDebug(KWIN_CORE) << "forced geometry fail:" << frameGeometry << ":" << rules()->checkGeometry(frameGeometry);
}
m_frameGeometry = frameGeometry;
if (force == NormalGeometrySet && m_bufferGeometry == bufferGeometry && pendingGeometryUpdate() == PendingGeometryNone) {
return;
}
m_bufferGeometry = bufferGeometry;
if (areGeometryUpdatesBlocked()) {
if (pendingGeometryUpdate() == PendingGeometryForced)
{} // maximum, nothing needed
else if (force == ForceGeometrySet)
setPendingGeometryUpdate(PendingGeometryForced);
else
setPendingGeometryUpdate(PendingGeometryNormal);
return;
}
updateServerGeometry();
updateWindowRules(Rules::Position|Rules::Size);
// keep track of old maximize mode
// to detect changes
screens()->setCurrent(this);
workspace()->updateStackingOrder();
// Need to regenerate decoration pixmaps when the buffer size is changed.
if (bufferGeometryBeforeUpdateBlocking().size() != m_bufferGeometry.size()) {
discardWindowPixmap();
}
emit geometryShapeChanged(this, frameGeometryBeforeUpdateBlocking());
addRepaintDuringGeometryUpdates();
updateGeometryBeforeUpdateBlocking();
// TODO: this signal is emitted too often
emit geometryChanged();
}
void X11Client::plainResize(int w, int h, ForceGeometry_t force)
{
QSize frameSize(w, h);
QSize bufferSize;
// this code is also duplicated in X11Client::setGeometry(), and it's also commented there
if (shade_geometry_change)
; // nothing
else if (isShade()) {
if (frameSize.height() == borderTop() + borderBottom()) {
qCDebug(KWIN_CORE) << "Shaded geometry passed for size:";
} else {
m_clientGeometry.setSize(frameSizeToClientSize(frameSize));
frameSize.setHeight(borderTop() + borderBottom());
}
} else {
m_clientGeometry.setSize(frameSizeToClientSize(frameSize));
}
if (isDecorated()) {
bufferSize = frameSize;
} else {
bufferSize = m_clientGeometry.size();
}
if (!areGeometryUpdatesBlocked() && frameSize != rules()->checkSize(frameSize)) {
qCDebug(KWIN_CORE) << "forced size fail:" << frameSize << ":" << rules()->checkSize(frameSize);
}
m_frameGeometry.setSize(frameSize);
// resuming geometry updates is handled only in setGeometry()
Q_ASSERT(pendingGeometryUpdate() == PendingGeometryNone || areGeometryUpdatesBlocked());
if (force == NormalGeometrySet && m_bufferGeometry.size() == bufferSize) {
return;
}
m_bufferGeometry.setSize(bufferSize);
if (areGeometryUpdatesBlocked()) {
if (pendingGeometryUpdate() == PendingGeometryForced)
{} // maximum, nothing needed
else if (force == ForceGeometrySet)
setPendingGeometryUpdate(PendingGeometryForced);
else
setPendingGeometryUpdate(PendingGeometryNormal);
return;
}
updateServerGeometry();
updateWindowRules(Rules::Position|Rules::Size);
screens()->setCurrent(this);
workspace()->updateStackingOrder();
if (bufferGeometryBeforeUpdateBlocking().size() != m_bufferGeometry.size()) {
discardWindowPixmap();
}
emit geometryShapeChanged(this, frameGeometryBeforeUpdateBlocking());
addRepaintDuringGeometryUpdates();
updateGeometryBeforeUpdateBlocking();
// TODO: this signal is emitted too often
emit geometryChanged();
}
void X11Client::updateServerGeometry()
{
if (m_frame.geometry().size() != m_bufferGeometry.size() || pendingGeometryUpdate() == PendingGeometryForced) {
resizeDecoration();
m_frame.setGeometry(m_bufferGeometry);
if (!isShade()) {
QSize cs = clientSize();
m_wrapper.setGeometry(QRect(clientPos(), cs));
if (!isResize() || syncRequest.counter == XCB_NONE) {
m_client.setGeometry(0, 0, cs.width(), cs.height());
}
// SELI - won't this be too expensive?
// THOMAS - yes, but gtk+ clients will not resize without ...
sendSyntheticConfigureNotify();
}
updateShape();
} else {
if (isMoveResize()) {
if (compositing()) { // Defer the X update until we leave this mode
needsXWindowMove = true;
} else {
m_frame.move(m_bufferGeometry.topLeft()); // sendSyntheticConfigureNotify() on finish shall be sufficient
}
} else {
m_frame.move(m_bufferGeometry.topLeft());
sendSyntheticConfigureNotify();
}
// Unconditionally move the input window: it won't affect rendering
m_decoInputExtent.move(pos() + inputPos());
}
}
/**
* Reimplemented to inform the client about the new window position.
*/
void AbstractClient::move(int x, int y, ForceGeometry_t force)
{
// resuming geometry updates is handled only in setGeometry()
Q_ASSERT(pendingGeometryUpdate() == PendingGeometryNone || areGeometryUpdatesBlocked());
QPoint p(x, y);
if (!areGeometryUpdatesBlocked() && p != rules()->checkPosition(p)) {
qCDebug(KWIN_CORE) << "forced position fail:" << p << ":" << rules()->checkPosition(p);
}
if (force == NormalGeometrySet && m_frameGeometry.topLeft() == p)
return;
m_frameGeometry.moveTopLeft(p);
if (areGeometryUpdatesBlocked()) {
if (pendingGeometryUpdate() == PendingGeometryForced)
{} // maximum, nothing needed
else if (force == ForceGeometrySet)
setPendingGeometryUpdate(PendingGeometryForced);
else
setPendingGeometryUpdate(PendingGeometryNormal);
return;
}
doMove(x, y);
updateWindowRules(Rules::Position);
screens()->setCurrent(this);
workspace()->updateStackingOrder();
// client itself is not damaged
addRepaintDuringGeometryUpdates();
updateGeometryBeforeUpdateBlocking();
emit geometryChanged();
}
void AbstractClient::blockGeometryUpdates(bool block)
{
if (block) {
if (m_blockGeometryUpdates == 0)
m_pendingGeometryUpdate = PendingGeometryNone;
++m_blockGeometryUpdates;
} else {
if (--m_blockGeometryUpdates == 0) {
if (m_pendingGeometryUpdate != PendingGeometryNone) {
if (isShade())
setFrameGeometry(QRect(pos(), adjustedSize()), NormalGeometrySet);
else
setFrameGeometry(frameGeometry(), NormalGeometrySet);
m_pendingGeometryUpdate = PendingGeometryNone;
}
}
}
}
void AbstractClient::maximize(MaximizeMode m)
{
setMaximize(m & MaximizeVertical, m & MaximizeHorizontal);
}
void AbstractClient::setMaximize(bool vertically, bool horizontally)
{
// changeMaximize() flips the state, so change from set->flip
const MaximizeMode oldMode = maximizeMode();
changeMaximize(
oldMode & MaximizeHorizontal ? !horizontally : horizontally,
oldMode & MaximizeVertical ? !vertically : vertically,
false);
const MaximizeMode newMode = maximizeMode();
if (oldMode != newMode) {
emit clientMaximizedStateChanged(this, newMode);
emit clientMaximizedStateChanged(this, vertically, horizontally);
}
}
static bool changeMaximizeRecursion = false;
void X11Client::changeMaximize(bool horizontal, bool vertical, bool adjust)
{
if (changeMaximizeRecursion)
return;
if (!isResizable() || isToolbar()) // SELI isToolbar() ?
return;
QRect clientArea;
if (isElectricBorderMaximizing())
clientArea = workspace()->clientArea(MaximizeArea, Cursor::pos(), desktop());
else
clientArea = workspace()->clientArea(MaximizeArea, this);
MaximizeMode old_mode = max_mode;
// 'adjust == true' means to update the size only, e.g. after changing workspace size
if (!adjust) {
if (vertical)
max_mode = MaximizeMode(max_mode ^ MaximizeVertical);
if (horizontal)
max_mode = MaximizeMode(max_mode ^ MaximizeHorizontal);
}
// if the client insist on a fix aspect ratio, we check whether the maximizing will get us
// out of screen bounds and take that as a "full maximization with aspect check" then
if (m_geometryHints.hasAspect() && // fixed aspect
(max_mode == MaximizeVertical || max_mode == MaximizeHorizontal) && // ondimensional maximization
rules()->checkStrictGeometry(true)) { // obey aspect
const QSize minAspect = m_geometryHints.minAspect();
const QSize maxAspect = m_geometryHints.maxAspect();
if (max_mode == MaximizeVertical || (old_mode & MaximizeVertical)) {
const double fx = minAspect.width(); // use doubles, because the values can be MAX_INT
const double fy = maxAspect.height(); // use doubles, because the values can be MAX_INT
if (fx*clientArea.height()/fy > clientArea.width()) // too big
max_mode = old_mode & MaximizeHorizontal ? MaximizeRestore : MaximizeFull;
} else { // max_mode == MaximizeHorizontal
const double fx = maxAspect.width();
const double fy = minAspect.height();
if (fy*clientArea.width()/fx > clientArea.height()) // too big
max_mode = old_mode & MaximizeVertical ? MaximizeRestore : MaximizeFull;
}
}
max_mode = rules()->checkMaximize(max_mode);
if (!adjust && max_mode == old_mode)
return;
GeometryUpdatesBlocker blocker(this);
// maximing one way and unmaximizing the other way shouldn't happen,
// so restore first and then maximize the other way
if ((old_mode == MaximizeVertical && max_mode == MaximizeHorizontal)
|| (old_mode == MaximizeHorizontal && max_mode == MaximizeVertical)) {
changeMaximize(false, false, false); // restore
}
// save sizes for restoring, if maximalizing
QSize sz;
if (isShade())
sz = sizeForClientSize(clientSize());
else
sz = size();
if (quickTileMode() == QuickTileMode(QuickTileFlag::None)) {
if (!adjust && !(old_mode & MaximizeVertical)) {
geom_restore.setTop(y());
geom_restore.setHeight(sz.height());
}
if (!adjust && !(old_mode & MaximizeHorizontal)) {
geom_restore.setLeft(x());
geom_restore.setWidth(sz.width());
}
}
// call into decoration update borders
if (isDecorated() && decoration()->client() && !(options->borderlessMaximizedWindows() && max_mode == KWin::MaximizeFull)) {
changeMaximizeRecursion = true;
const auto c = decoration()->client().data();
if ((max_mode & MaximizeVertical) != (old_mode & MaximizeVertical)) {
emit c->maximizedVerticallyChanged(max_mode & MaximizeVertical);
}
if ((max_mode & MaximizeHorizontal) != (old_mode & MaximizeHorizontal)) {
emit c->maximizedHorizontallyChanged(max_mode & MaximizeHorizontal);
}
if ((max_mode == MaximizeFull) != (old_mode == MaximizeFull)) {
emit c->maximizedChanged(max_mode & MaximizeFull);
}
changeMaximizeRecursion = false;
}
if (options->borderlessMaximizedWindows()) {
// triggers a maximize change.
// The next setNoBorder interation will exit since there's no change but the first recursion pullutes the restore geometry
changeMaximizeRecursion = true;
setNoBorder(rules()->checkNoBorder(app_noborder || (m_motif.hasDecoration() && m_motif.noBorder()) || max_mode == MaximizeFull));
changeMaximizeRecursion = false;
}
const ForceGeometry_t geom_mode = isDecorated() ? ForceGeometrySet : NormalGeometrySet;
// Conditional quick tiling exit points
if (quickTileMode() != QuickTileMode(QuickTileFlag::None)) {
if (old_mode == MaximizeFull &&
!clientArea.contains(geom_restore.center())) {
// Not restoring on the same screen
// TODO: The following doesn't work for some reason
//quick_tile_mode = QuickTileFlag::None; // And exit quick tile mode manually
} else if ((old_mode == MaximizeVertical && max_mode == MaximizeRestore) ||
(old_mode == MaximizeFull && max_mode == MaximizeHorizontal)) {
// Modifying geometry of a tiled window
updateQuickTileMode(QuickTileFlag::None); // Exit quick tile mode without restoring geometry
}
}
switch(max_mode) {
case MaximizeVertical: {
if (old_mode & MaximizeHorizontal) { // actually restoring from MaximizeFull
if (geom_restore.width() == 0 || !clientArea.contains(geom_restore.center())) {
// needs placement
plainResize(adjustedSize(QSize(width() * 2 / 3, clientArea.height()), SizemodeFixedH), geom_mode);
Placement::self()->placeSmart(this, clientArea);
} else {
setFrameGeometry(QRect(QPoint(geom_restore.x(), clientArea.top()),
adjustedSize(QSize(geom_restore.width(), clientArea.height()), SizemodeFixedH)), geom_mode);
}
} else {
QRect r(x(), clientArea.top(), width(), clientArea.height());
r.setTopLeft(rules()->checkPosition(r.topLeft()));
r.setSize(adjustedSize(r.size(), SizemodeFixedH));
setFrameGeometry(r, geom_mode);
}
info->setState(NET::MaxVert, NET::Max);
break;
}
case MaximizeHorizontal: {
if (old_mode & MaximizeVertical) { // actually restoring from MaximizeFull
if (geom_restore.height() == 0 || !clientArea.contains(geom_restore.center())) {
// needs placement
plainResize(adjustedSize(QSize(clientArea.width(), height() * 2 / 3), SizemodeFixedW), geom_mode);
Placement::self()->placeSmart(this, clientArea);
} else {
setFrameGeometry(QRect(QPoint(clientArea.left(), geom_restore.y()),
adjustedSize(QSize(clientArea.width(), geom_restore.height()), SizemodeFixedW)), geom_mode);
}
} else {
QRect r(clientArea.left(), y(), clientArea.width(), height());
r.setTopLeft(rules()->checkPosition(r.topLeft()));
r.setSize(adjustedSize(r.size(), SizemodeFixedW));
setFrameGeometry(r, geom_mode);
}
info->setState(NET::MaxHoriz, NET::Max);
break;
}
case MaximizeRestore: {
QRect restore = frameGeometry();
// when only partially maximized, geom_restore may not have the other dimension remembered
if (old_mode & MaximizeVertical) {
restore.setTop(geom_restore.top());
restore.setBottom(geom_restore.bottom());
}
if (old_mode & MaximizeHorizontal) {
restore.setLeft(geom_restore.left());
restore.setRight(geom_restore.right());
}
if (!restore.isValid()) {
QSize s = QSize(clientArea.width() * 2 / 3, clientArea.height() * 2 / 3);
if (geom_restore.width() > 0)
s.setWidth(geom_restore.width());
if (geom_restore.height() > 0)
s.setHeight(geom_restore.height());
plainResize(adjustedSize(s));
Placement::self()->placeSmart(this, clientArea);
restore = frameGeometry();
if (geom_restore.width() > 0)
restore.moveLeft(geom_restore.x());
if (geom_restore.height() > 0)
restore.moveTop(geom_restore.y());
geom_restore = restore; // relevant for mouse pos calculation, bug #298646
}
if (m_geometryHints.hasAspect()) {
restore.setSize(adjustedSize(restore.size(), SizemodeAny));
}
setFrameGeometry(restore, geom_mode);
if (!clientArea.contains(geom_restore.center())) // Not restoring to the same screen
Placement::self()->place(this, clientArea);
info->setState(NET::States(), NET::Max);
updateQuickTileMode(QuickTileFlag::None);
break;
}
case MaximizeFull: {
QRect r(clientArea);
r.setTopLeft(rules()->checkPosition(r.topLeft()));
r.setSize(adjustedSize(r.size(), SizemodeMax));
if (r.size() != clientArea.size()) { // to avoid off-by-one errors...
if (isElectricBorderMaximizing() && r.width() < clientArea.width()) {
r.moveLeft(qMax(clientArea.left(), Cursor::pos().x() - r.width()/2));
r.moveRight(qMin(clientArea.right(), r.right()));
} else {
r.moveCenter(clientArea.center());
const bool closeHeight = r.height() > 97*clientArea.height()/100;
const bool closeWidth = r.width() > 97*clientArea.width() /100;
const bool overHeight = r.height() > clientArea.height();
const bool overWidth = r.width() > clientArea.width();
if (closeWidth || closeHeight) {
Position titlePos = titlebarPosition();
const QRect screenArea = workspace()->clientArea(ScreenArea, clientArea.center(), desktop());
if (closeHeight) {
bool tryBottom = titlePos == PositionBottom;
if ((overHeight && titlePos == PositionTop) ||
screenArea.top() == clientArea.top())
r.setTop(clientArea.top());
else
tryBottom = true;
if (tryBottom &&
(overHeight || screenArea.bottom() == clientArea.bottom()))
r.setBottom(clientArea.bottom());
}
if (closeWidth) {
bool tryLeft = titlePos == PositionLeft;
if ((overWidth && titlePos == PositionRight) ||
screenArea.right() == clientArea.right())
r.setRight(clientArea.right());
else
tryLeft = true;
if (tryLeft && (overWidth || screenArea.left() == clientArea.left()))
r.setLeft(clientArea.left());
}
}
}
r.moveTopLeft(rules()->checkPosition(r.topLeft()));
}
setFrameGeometry(r, geom_mode);
if (options->electricBorderMaximize() && r.top() == clientArea.top())
updateQuickTileMode(QuickTileFlag::Maximize);
else
updateQuickTileMode(QuickTileFlag::None);
info->setState(NET::Max, NET::Max);
break;
}
default:
break;
}
updateAllowedActions();
updateWindowRules(Rules::MaximizeVert|Rules::MaximizeHoriz|Rules::Position|Rules::Size);
emit quickTileModeChanged();
}
bool X11Client::userCanSetFullScreen() const
{
if (!isFullScreenable()) {
return false;
}
return isNormalWindow() || isDialog();
}
void X11Client::setFullScreen(bool set, bool user)
{
set = rules()->checkFullScreen(set);
const bool wasFullscreen = isFullScreen();
if (wasFullscreen == set) {
return;
}
if (user && !userCanSetFullScreen()) {
return;
}
setShade(ShadeNone);
if (wasFullscreen) {
workspace()->updateFocusMousePosition(Cursor::pos()); // may cause leave event
} else {
geom_fs_restore = frameGeometry();
}
if (set) {
m_fullscreenMode = FullScreenNormal;
workspace()->raiseClient(this);
} else {
m_fullscreenMode = FullScreenNone;
}
StackingUpdatesBlocker blocker1(workspace());
GeometryUpdatesBlocker blocker2(this);
// active fullscreens get different layer
workspace()->updateClientLayer(this);
info->setState(isFullScreen() ? NET::FullScreen : NET::States(), NET::FullScreen);
updateDecoration(false, false);
if (set) {
if (info->fullscreenMonitors().isSet()) {
setFrameGeometry(fullscreenMonitorsArea(info->fullscreenMonitors()));
} else {
setFrameGeometry(workspace()->clientArea(FullScreenArea, this));
}
} else {
Q_ASSERT(!geom_fs_restore.isNull());
const int currentScreen = screen();
setFrameGeometry(QRect(geom_fs_restore.topLeft(), adjustedSize(geom_fs_restore.size())));
if(currentScreen != screen()) {
workspace()->sendClientToScreen(this, currentScreen);
}
}
updateWindowRules(Rules::Fullscreen | Rules::Position | Rules::Size);
emit clientFullScreenSet(this, set, user);
emit fullScreenChanged();
}
void X11Client::updateFullscreenMonitors(NETFullscreenMonitors topology)
{
int nscreens = screens()->count();
// qDebug() << "incoming request with top: " << topology.top << " bottom: " << topology.bottom
// << " left: " << topology.left << " right: " << topology.right
// << ", we have: " << nscreens << " screens.";
if (topology.top >= nscreens ||
topology.bottom >= nscreens ||
topology.left >= nscreens ||
topology.right >= nscreens) {
qCWarning(KWIN_CORE) << "fullscreenMonitors update failed. request higher than number of screens.";
return;
}
info->setFullscreenMonitors(topology);
if (isFullScreen())
setFrameGeometry(fullscreenMonitorsArea(topology));
}
/**
* Calculates the bounding rectangle defined by the 4 monitor indices indicating the
* top, bottom, left, and right edges of the window when the fullscreen state is enabled.
*/
QRect X11Client::fullscreenMonitorsArea(NETFullscreenMonitors requestedTopology) const
{
QRect top, bottom, left, right, total;
top = screens()->geometry(requestedTopology.top);
bottom = screens()->geometry(requestedTopology.bottom);
left = screens()->geometry(requestedTopology.left);
right = screens()->geometry(requestedTopology.right);
total = top.united(bottom.united(left.united(right)));
// qDebug() << "top: " << top << " bottom: " << bottom
// << " left: " << left << " right: " << right;
// qDebug() << "returning rect: " << total;
return total;
}
static GeometryTip* geometryTip = nullptr;
void X11Client::positionGeometryTip()
{
Q_ASSERT(isMove() || isResize());
// Position and Size display
if (effects && static_cast<EffectsHandlerImpl*>(effects)->provides(Effect::GeometryTip))
return; // some effect paints this for us
if (options->showGeometryTip()) {
if (!geometryTip) {
geometryTip = new GeometryTip(&m_geometryHints);
}
QRect wgeom(moveResizeGeometry()); // position of the frame, size of the window itself
wgeom.setWidth(wgeom.width() - (width() - clientSize().width()));
wgeom.setHeight(wgeom.height() - (height() - clientSize().height()));
if (isShade())
wgeom.setHeight(0);
geometryTip->setGeometry(wgeom);
if (!geometryTip->isVisible())
geometryTip->show();
geometryTip->raise();
}
}
bool AbstractClient::startMoveResize()
{
Q_ASSERT(!isMoveResize());
Q_ASSERT(QWidget::keyboardGrabber() == nullptr);
Q_ASSERT(QWidget::mouseGrabber() == nullptr);
stopDelayedMoveResize();
if (QApplication::activePopupWidget() != nullptr)
return false; // popups have grab
if (isFullScreen() && (screens()->count() < 2 || !isMovableAcrossScreens()))
return false;
if (!doStartMoveResize()) {
return false;
}
invalidateDecorationDoubleClickTimer();
setMoveResize(true);
workspace()->setMoveResizeClient(this);
const Position mode = moveResizePointerMode();
if (mode != PositionCenter) { // means "isResize()" but moveResizeMode = true is set below
if (maximizeMode() == MaximizeFull) { // partial is cond. reset in finishMoveResize
setGeometryRestore(frameGeometry()); // "restore" to current geometry
setMaximize(false, false);
}
}
if (quickTileMode() != QuickTileMode(QuickTileFlag::None) && mode != PositionCenter) { // Cannot use isResize() yet
// Exit quick tile mode when the user attempts to resize a tiled window
updateQuickTileMode(QuickTileFlag::None); // Do so without restoring original geometry
setGeometryRestore(frameGeometry());
emit quickTileModeChanged();
}
updateHaveResizeEffect();
updateInitialMoveResizeGeometry();
checkUnrestrictedMoveResize();
emit clientStartUserMovedResized(this);
if (ScreenEdges::self()->isDesktopSwitchingMovingClients())
ScreenEdges::self()->reserveDesktopSwitching(true, Qt::Vertical|Qt::Horizontal);
return true;
}
bool X11Client::doStartMoveResize()
{
bool has_grab = false;
// This reportedly improves smoothness of the moveresize operation,
// something with Enter/LeaveNotify events, looks like XFree performance problem or something *shrug*
// (https://lists.kde.org/?t=107302193400001&r=1&w=2)
QRect r = workspace()->clientArea(FullArea, this);
m_moveResizeGrabWindow.create(r, XCB_WINDOW_CLASS_INPUT_ONLY, 0, nullptr, rootWindow());
m_moveResizeGrabWindow.map();
m_moveResizeGrabWindow.raise();
updateXTime();
const xcb_grab_pointer_cookie_t cookie = xcb_grab_pointer_unchecked(connection(), false, m_moveResizeGrabWindow,
XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_POINTER_MOTION |
XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_LEAVE_WINDOW,
XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, m_moveResizeGrabWindow, Cursor::x11Cursor(cursor()), xTime());
ScopedCPointer<xcb_grab_pointer_reply_t> pointerGrab(xcb_grab_pointer_reply(connection(), cookie, nullptr));
if (!pointerGrab.isNull() && pointerGrab->status == XCB_GRAB_STATUS_SUCCESS) {
has_grab = true;
}
if (!has_grab && grabXKeyboard(frameId()))
has_grab = move_resize_has_keyboard_grab = true;
if (!has_grab) { // at least one grab is necessary in order to be able to finish move/resize
m_moveResizeGrabWindow.reset();
return false;
}
return true;
}
void AbstractClient::finishMoveResize(bool cancel)
{
GeometryUpdatesBlocker blocker(this);
const bool wasResize = isResize(); // store across leaveMoveResize
leaveMoveResize();
if (cancel)
setFrameGeometry(initialMoveResizeGeometry());
else {
const QRect &moveResizeGeom = moveResizeGeometry();
if (wasResize) {
const bool restoreH = maximizeMode() == MaximizeHorizontal &&
moveResizeGeom.width() != initialMoveResizeGeometry().width();
const bool restoreV = maximizeMode() == MaximizeVertical &&
moveResizeGeom.height() != initialMoveResizeGeometry().height();
if (restoreH || restoreV) {
changeMaximize(restoreH, restoreV, false);
}
}
setFrameGeometry(moveResizeGeom);
}
checkScreen(); // needs to be done because clientFinishUserMovedResized has not yet re-activated online alignment
if (screen() != moveResizeStartScreen()) {
workspace()->sendClientToScreen(this, screen()); // checks rule validity
if (maximizeMode() != MaximizeRestore)
checkWorkspacePosition();
}
if (isElectricBorderMaximizing()) {
setQuickTileMode(electricBorderMode());
setElectricBorderMaximizing(false);
} else if (!cancel) {
QRect geom_restore = geometryRestore();
if (!(maximizeMode() & MaximizeHorizontal)) {
geom_restore.setX(frameGeometry().x());
geom_restore.setWidth(frameGeometry().width());
}
if (!(maximizeMode() & MaximizeVertical)) {
geom_restore.setY(frameGeometry().y());
geom_restore.setHeight(frameGeometry().height());
}
setGeometryRestore(geom_restore);
}
// FRAME update();
emit clientFinishUserMovedResized(this);
}
void X11Client::leaveMoveResize()
{
if (needsXWindowMove) {
// Do the deferred move
m_frame.move(m_bufferGeometry.topLeft());
needsXWindowMove = false;
}
if (!isResize())
sendSyntheticConfigureNotify(); // tell the client about it's new final position
if (geometryTip) {
geometryTip->hide();
delete geometryTip;
geometryTip = nullptr;
}
if (move_resize_has_keyboard_grab)
ungrabXKeyboard();
move_resize_has_keyboard_grab = false;
xcb_ungrab_pointer(connection(), xTime());
m_moveResizeGrabWindow.reset();
if (syncRequest.counter == XCB_NONE) // don't forget to sanitize since the timeout will no more fire
syncRequest.isPending = false;
delete syncRequest.timeout;
syncRequest.timeout = nullptr;
AbstractClient::leaveMoveResize();
}
// This function checks if it actually makes sense to perform a restricted move/resize.
// If e.g. the titlebar is already outside of the workarea, there's no point in performing
// a restricted move resize, because then e.g. resize would also move the window (#74555).
// NOTE: Most of it is duplicated from handleMoveResize().
void AbstractClient::checkUnrestrictedMoveResize()
{
if (isUnrestrictedMoveResize())
return;
const QRect &moveResizeGeom = moveResizeGeometry();
QRect desktopArea = workspace()->clientArea(WorkArea, moveResizeGeom.center(), desktop());
int left_marge, right_marge, top_marge, bottom_marge, titlebar_marge;
// restricted move/resize - keep at least part of the titlebar always visible
// how much must remain visible when moved away in that direction
left_marge = qMin(100 + borderRight(), moveResizeGeom.width());
right_marge = qMin(100 + borderLeft(), moveResizeGeom.width());
// width/height change with opaque resizing, use the initial ones
titlebar_marge = initialMoveResizeGeometry().height();
top_marge = borderBottom();
bottom_marge = borderTop();
if (isResize()) {
if (moveResizeGeom.bottom() < desktopArea.top() + top_marge)
setUnrestrictedMoveResize(true);
if (moveResizeGeom.top() > desktopArea.bottom() - bottom_marge)
setUnrestrictedMoveResize(true);
if (moveResizeGeom.right() < desktopArea.left() + left_marge)
setUnrestrictedMoveResize(true);
if (moveResizeGeom.left() > desktopArea.right() - right_marge)
setUnrestrictedMoveResize(true);
if (!isUnrestrictedMoveResize() && moveResizeGeom.top() < desktopArea.top()) // titlebar mustn't go out
setUnrestrictedMoveResize(true);
}
if (isMove()) {
if (moveResizeGeom.bottom() < desktopArea.top() + titlebar_marge - 1)
setUnrestrictedMoveResize(true);
// no need to check top_marge, titlebar_marge already handles it
if (moveResizeGeom.top() > desktopArea.bottom() - bottom_marge + 1) // titlebar mustn't go out
setUnrestrictedMoveResize(true);
if (moveResizeGeom.right() < desktopArea.left() + left_marge)
setUnrestrictedMoveResize(true);
if (moveResizeGeom.left() > desktopArea.right() - right_marge)
setUnrestrictedMoveResize(true);
}
}
// When the user pressed mouse on the titlebar, don't activate move immediatelly,
// since it may be just a click. Activate instead after a delay. Move used to be
// activated only after moving by several pixels, but that looks bad.
void AbstractClient::startDelayedMoveResize()
{
Q_ASSERT(!m_moveResize.delayedTimer);
m_moveResize.delayedTimer = new QTimer(this);
m_moveResize.delayedTimer->setSingleShot(true);
connect(m_moveResize.delayedTimer, &QTimer::timeout, this,
[this]() {
Q_ASSERT(isMoveResizePointerButtonDown());
if (!startMoveResize()) {
setMoveResizePointerButtonDown(false);
}
updateCursor();
stopDelayedMoveResize();
}
);
m_moveResize.delayedTimer->start(QApplication::startDragTime());
}
void AbstractClient::stopDelayedMoveResize()
{
delete m_moveResize.delayedTimer;
m_moveResize.delayedTimer = nullptr;
}
void AbstractClient::handleMoveResize(const QPoint &local, const QPoint &global)
{
const QRect oldGeo = frameGeometry();
handleMoveResize(local.x(), local.y(), global.x(), global.y());
if (!isFullScreen() && isMove()) {
if (quickTileMode() != QuickTileMode(QuickTileFlag::None) && oldGeo != frameGeometry()) {
GeometryUpdatesBlocker blocker(this);
setQuickTileMode(QuickTileFlag::None);
const QRect &geom_restore = geometryRestore();
setMoveOffset(QPoint(double(moveOffset().x()) / double(oldGeo.width()) * double(geom_restore.width()),
double(moveOffset().y()) / double(oldGeo.height()) * double(geom_restore.height())));
if (rules()->checkMaximize(MaximizeRestore) == MaximizeRestore)
setMoveResizeGeometry(geom_restore);
handleMoveResize(local.x(), local.y(), global.x(), global.y()); // fix position
} else if (quickTileMode() == QuickTileMode(QuickTileFlag::None) && isResizable()) {
checkQuickTilingMaximizationZones(global.x(), global.y());
}
}
}
bool X11Client::isWaitingForMoveResizeSync() const
{
return syncRequest.isPending && isResize();
}
void AbstractClient::handleMoveResize(int x, int y, int x_root, int y_root)
{
if (isWaitingForMoveResizeSync())
return; // we're still waiting for the client or the timeout
const Position mode = moveResizePointerMode();
if ((mode == PositionCenter && !isMovableAcrossScreens())
|| (mode != PositionCenter && (isShade() || !isResizable())))
return;
if (!isMoveResize()) {
QPoint p(QPoint(x/* - padding_left*/, y/* - padding_top*/) - moveOffset());
if (p.manhattanLength() >= QApplication::startDragDistance()) {
if (!startMoveResize()) {
setMoveResizePointerButtonDown(false);
updateCursor();
return;
}
updateCursor();
} else
return;
}
// ShadeHover or ShadeActive, ShadeNormal was already avoided above
if (mode != PositionCenter && shadeMode() != ShadeNone)
setShade(ShadeNone);
QPoint globalPos(x_root, y_root);
// these two points limit the geometry rectangle, i.e. if bottomleft resizing is done,
// the bottomleft corner should be at is at (topleft.x(), bottomright().y())
QPoint topleft = globalPos - moveOffset();
QPoint bottomright = globalPos + invertedMoveOffset();
QRect previousMoveResizeGeom = moveResizeGeometry();
// TODO move whole group when moving its leader or when the leader is not mapped?
auto titleBarRect = [this](bool &transposed, int &requiredPixels) -> QRect {
const QRect &moveResizeGeom = moveResizeGeometry();
QRect r(moveResizeGeom);
r.moveTopLeft(QPoint(0,0));
switch (titlebarPosition()) {
default:
case PositionTop:
r.setHeight(borderTop());
break;
case PositionLeft:
r.setWidth(borderLeft());
transposed = true;
break;
case PositionBottom:
r.setTop(r.bottom() - borderBottom());
break;
case PositionRight:
r.setLeft(r.right() - borderRight());
transposed = true;
break;
}
// When doing a restricted move we must always keep 100px of the titlebar
// visible to allow the user to be able to move it again.
requiredPixels = qMin(100 * (transposed ? r.width() : r.height()),
moveResizeGeom.width() * moveResizeGeom.height());
return r;
};
bool update = false;
if (isResize()) {
QRect orig = initialMoveResizeGeometry();
Sizemode sizemode = SizemodeAny;
auto calculateMoveResizeGeom = [this, &topleft, &bottomright, &orig, &sizemode, &mode]() {
switch(mode) {
case PositionTopLeft:
setMoveResizeGeometry(QRect(topleft, orig.bottomRight()));
break;
case PositionBottomRight:
setMoveResizeGeometry(QRect(orig.topLeft(), bottomright));
break;
case PositionBottomLeft:
setMoveResizeGeometry(QRect(QPoint(topleft.x(), orig.y()), QPoint(orig.right(), bottomright.y())));
break;
case PositionTopRight:
setMoveResizeGeometry(QRect(QPoint(orig.x(), topleft.y()), QPoint(bottomright.x(), orig.bottom())));
break;
case PositionTop:
setMoveResizeGeometry(QRect(QPoint(orig.left(), topleft.y()), orig.bottomRight()));
sizemode = SizemodeFixedH; // try not to affect height
break;
case PositionBottom:
setMoveResizeGeometry(QRect(orig.topLeft(), QPoint(orig.right(), bottomright.y())));
sizemode = SizemodeFixedH;
break;
case PositionLeft:
setMoveResizeGeometry(QRect(QPoint(topleft.x(), orig.top()), orig.bottomRight()));
sizemode = SizemodeFixedW;
break;
case PositionRight:
setMoveResizeGeometry(QRect(orig.topLeft(), QPoint(bottomright.x(), orig.bottom())));
sizemode = SizemodeFixedW;
break;
case PositionCenter:
default:
abort();
break;
}
};
// first resize (without checking constrains), then snap, then check bounds, then check constrains
calculateMoveResizeGeom();
// adjust new size to snap to other windows/borders
setMoveResizeGeometry(workspace()->adjustClientSize(this, moveResizeGeometry(), mode));
if (!isUnrestrictedMoveResize()) {
// Make sure the titlebar isn't behind a restricted area. We don't need to restrict
// the other directions. If not visible enough, move the window to the closest valid
// point. We bruteforce this by slowly moving the window back to its previous position
QRegion availableArea(workspace()->clientArea(FullArea, -1, 0)); // On the screen
availableArea -= workspace()->restrictedMoveArea(desktop()); // Strut areas
bool transposed = false;
int requiredPixels;
QRect bTitleRect = titleBarRect(transposed, requiredPixels);
int lastVisiblePixels = -1;
QRect lastTry = moveResizeGeometry();
bool titleFailed = false;
for (;;) {
const QRect titleRect(bTitleRect.translated(moveResizeGeometry().topLeft()));
int visiblePixels = 0;
int realVisiblePixels = 0;
for (const QRect &rect : availableArea) {
const QRect r = rect & titleRect;
realVisiblePixels += r.width() * r.height();
if ((transposed && r.width() == titleRect.width()) || // Only the full size regions...
(!transposed && r.height() == titleRect.height())) // ...prevents long slim areas
visiblePixels += r.width() * r.height();
}
if (visiblePixels >= requiredPixels)
break; // We have reached a valid position
if (realVisiblePixels <= lastVisiblePixels) {
if (titleFailed && realVisiblePixels < lastVisiblePixels)
break; // we won't become better
else {
if (!titleFailed)
setMoveResizeGeometry(lastTry);
titleFailed = true;
}
}
lastVisiblePixels = realVisiblePixels;
QRect moveResizeGeom = moveResizeGeometry();
lastTry = moveResizeGeom;
// Not visible enough, move the window to the closest valid point. We bruteforce
// this by slowly moving the window back to its previous position.
// The geometry changes at up to two edges, the one with the title (if) shall take
// precedence. The opposing edge has no impact on visiblePixels and only one of
// the adjacent can alter at a time, ie. it's enough to ignore adjacent edges
// if the title edge altered
bool leftChanged = previousMoveResizeGeom.left() != moveResizeGeom.left();
bool rightChanged = previousMoveResizeGeom.right() != moveResizeGeom.right();
bool topChanged = previousMoveResizeGeom.top() != moveResizeGeom.top();
bool btmChanged = previousMoveResizeGeom.bottom() != moveResizeGeom.bottom();
auto fixChangedState = [titleFailed](bool &major, bool &counter, bool &ad1, bool &ad2) {
counter = false;
if (titleFailed)
major = false;
if (major)
ad1 = ad2 = false;
};
switch (titlebarPosition()) {
default:
case PositionTop:
fixChangedState(topChanged, btmChanged, leftChanged, rightChanged);
break;
case PositionLeft:
fixChangedState(leftChanged, rightChanged, topChanged, btmChanged);
break;
case PositionBottom:
fixChangedState(btmChanged, topChanged, leftChanged, rightChanged);
break;
case PositionRight:
fixChangedState(rightChanged, leftChanged, topChanged, btmChanged);
break;
}
if (topChanged)
moveResizeGeom.setTop(moveResizeGeom.y() + sign(previousMoveResizeGeom.y() - moveResizeGeom.y()));
else if (leftChanged)
moveResizeGeom.setLeft(moveResizeGeom.x() + sign(previousMoveResizeGeom.x() - moveResizeGeom.x()));
else if (btmChanged)
moveResizeGeom.setBottom(moveResizeGeom.bottom() + sign(previousMoveResizeGeom.bottom() - moveResizeGeom.bottom()));
else if (rightChanged)
moveResizeGeom.setRight(moveResizeGeom.right() + sign(previousMoveResizeGeom.right() - moveResizeGeom.right()));
else
break; // no position changed - that's certainly not good
setMoveResizeGeometry(moveResizeGeom);
}
}
// Always obey size hints, even when in "unrestricted" mode
QSize size = adjustedSize(moveResizeGeometry().size(), sizemode);
// the new topleft and bottomright corners (after checking size constrains), if they'll be needed
topleft = QPoint(moveResizeGeometry().right() - size.width() + 1, moveResizeGeometry().bottom() - size.height() + 1);
bottomright = QPoint(moveResizeGeometry().left() + size.width() - 1, moveResizeGeometry().top() + size.height() - 1);
orig = moveResizeGeometry();
// if aspect ratios are specified, both dimensions may change.
// Therefore grow to the right/bottom if needed.
// TODO it should probably obey gravity rather than always using right/bottom ?
if (sizemode == SizemodeFixedH)
orig.setRight(bottomright.x());
else if (sizemode == SizemodeFixedW)
orig.setBottom(bottomright.y());
calculateMoveResizeGeom();
if (moveResizeGeometry().size() != previousMoveResizeGeom.size())
update = true;
} else if (isMove()) {
Q_ASSERT(mode == PositionCenter);
if (!isMovable()) { // isMovableAcrossScreens() must have been true to get here
// Special moving of maximized windows on Xinerama screens
int screen = screens()->number(globalPos);
if (isFullScreen())
setMoveResizeGeometry(workspace()->clientArea(FullScreenArea, screen, 0));
else {
QRect moveResizeGeom = workspace()->clientArea(MaximizeArea, screen, 0);
QSize adjSize = adjustedSize(moveResizeGeom.size(), SizemodeMax);
if (adjSize != moveResizeGeom.size()) {
QRect r(moveResizeGeom);
moveResizeGeom.setSize(adjSize);
moveResizeGeom.moveCenter(r.center());
}
setMoveResizeGeometry(moveResizeGeom);
}
} else {
// first move, then snap, then check bounds
QRect moveResizeGeom = moveResizeGeometry();
moveResizeGeom.moveTopLeft(topleft);
moveResizeGeom.moveTopLeft(workspace()->adjustClientPosition(this, moveResizeGeom.topLeft(),
isUnrestrictedMoveResize()));
setMoveResizeGeometry(moveResizeGeom);
if (!isUnrestrictedMoveResize()) {
const QRegion strut = workspace()->restrictedMoveArea(desktop()); // Strut areas
QRegion availableArea(workspace()->clientArea(FullArea, -1, 0)); // On the screen
availableArea -= strut; // Strut areas
bool transposed = false;
int requiredPixels;
QRect bTitleRect = titleBarRect(transposed, requiredPixels);
for (;;) {
QRect moveResizeGeom = moveResizeGeometry();
const QRect titleRect(bTitleRect.translated(moveResizeGeom.topLeft()));
int visiblePixels = 0;
for (const QRect &rect : availableArea) {
const QRect r = rect & titleRect;
if ((transposed && r.width() == titleRect.width()) || // Only the full size regions...
(!transposed && r.height() == titleRect.height())) // ...prevents long slim areas
visiblePixels += r.width() * r.height();
}
if (visiblePixels >= requiredPixels)
break; // We have reached a valid position
// (esp.) if there're more screens with different struts (panels) it the titlebar
// will be movable outside the movearea (covering one of the panels) until it
// crosses the panel "too much" (not enough visiblePixels) and then stucks because
// it's usually only pushed by 1px to either direction
// so we first check whether we intersect suc strut and move the window below it
// immediately (it's still possible to hit the visiblePixels >= titlebarArea break
// by moving the window slightly downwards, but it won't stuck)
// see bug #274466
// and bug #301805 for why we can't just match the titlearea against the screen
if (screens()->count() > 1) { // optimization
// TODO: could be useful on partial screen struts (half-width panels etc.)
int newTitleTop = -1;
for (const QRect &r : strut) {
if (r.top() == 0 && r.width() > r.height() && // "top panel"
r.intersects(moveResizeGeom) && moveResizeGeom.top() < r.bottom()) {
newTitleTop = r.bottom() + 1;
break;
}
}
if (newTitleTop > -1) {
moveResizeGeom.moveTop(newTitleTop); // invalid position, possibly on screen change
setMoveResizeGeometry(moveResizeGeom);
break;
}
}
int dx = sign(previousMoveResizeGeom.x() - moveResizeGeom.x()),
dy = sign(previousMoveResizeGeom.y() - moveResizeGeom.y());
if (visiblePixels && dx) // means there's no full width cap -> favor horizontally
dy = 0;
else if (dy)
dx = 0;
// Move it back
moveResizeGeom.translate(dx, dy);
setMoveResizeGeometry(moveResizeGeom);
if (moveResizeGeom == previousMoveResizeGeom) {
break; // Prevent lockup
}
}
}
}
if (moveResizeGeometry().topLeft() != previousMoveResizeGeom.topLeft())
update = true;
} else
abort();
if (!update)
return;
if (isResize() && !haveResizeEffect()) {
doResizeSync();
} else
performMoveResize();
if (isMove()) {
ScreenEdges::self()->check(globalPos, QDateTime::fromMSecsSinceEpoch(xTime()));
}
}
void X11Client::doResizeSync()
{
if (!syncRequest.timeout) {
syncRequest.timeout = new QTimer(this);
connect(syncRequest.timeout, &QTimer::timeout, this, &X11Client::performMoveResize);
syncRequest.timeout->setSingleShot(true);
}
if (syncRequest.counter != XCB_NONE) {
syncRequest.timeout->start(250);
sendSyncRequest();
} else { // for clients not supporting the XSYNC protocol, we
syncRequest.isPending = true; // limit the resizes to 30Hz to take pointless load from X11
syncRequest.timeout->start(33); // and the client, the mouse is still moved at full speed
} // and no human can control faster resizes anyway
const QRect moveResizeClientGeometry = frameRectToClientRect(moveResizeGeometry());
m_client.setGeometry(0, 0, moveResizeClientGeometry.width(), moveResizeClientGeometry.height());
}
void AbstractClient::performMoveResize()
{
const QRect &moveResizeGeom = moveResizeGeometry();
if (isMove() || (isResize() && !haveResizeEffect())) {
setFrameGeometry(moveResizeGeom);
}
doPerformMoveResize();
if (isResize())
addRepaintFull();
positionGeometryTip();
emit clientStepUserMovedResized(this, moveResizeGeom);
}
void X11Client::doPerformMoveResize()
{
if (syncRequest.counter == XCB_NONE) // client w/o XSYNC support. allow the next resize event
syncRequest.isPending = false; // NEVER do this for clients with a valid counter
// (leads to sync request races in some clients)
}
void AbstractClient::setElectricBorderMode(QuickTileMode mode)
{
if (mode != QuickTileMode(QuickTileFlag::Maximize)) {
// sanitize the mode, ie. simplify "invalid" combinations
if ((mode & QuickTileFlag::Horizontal) == QuickTileMode(QuickTileFlag::Horizontal))
mode &= ~QuickTileMode(QuickTileFlag::Horizontal);
if ((mode & QuickTileFlag::Vertical) == QuickTileMode(QuickTileFlag::Vertical))
mode &= ~QuickTileMode(QuickTileFlag::Vertical);
}
m_electricMode = mode;
}
void AbstractClient::setElectricBorderMaximizing(bool maximizing)
{
m_electricMaximizing = maximizing;
if (maximizing)
outline()->show(electricBorderMaximizeGeometry(Cursor::pos(), desktop()), moveResizeGeometry());
else
outline()->hide();
elevate(maximizing);
}
QRect AbstractClient::electricBorderMaximizeGeometry(QPoint pos, int desktop)
{
if (electricBorderMode() == QuickTileMode(QuickTileFlag::Maximize)) {
if (maximizeMode() == MaximizeFull)
return geometryRestore();
else
return workspace()->clientArea(MaximizeArea, pos, desktop);
}
QRect ret = workspace()->clientArea(MaximizeArea, pos, desktop);
if (electricBorderMode() & QuickTileFlag::Left)
ret.setRight(ret.left()+ret.width()/2 - 1);
else if (electricBorderMode() & QuickTileFlag::Right)
ret.setLeft(ret.right()-(ret.width()-ret.width()/2) + 1);
if (electricBorderMode() & QuickTileFlag::Top)
ret.setBottom(ret.top()+ret.height()/2 - 1);
else if (electricBorderMode() & QuickTileFlag::Bottom)
ret.setTop(ret.bottom()-(ret.height()-ret.height()/2) + 1);
return ret;
}
void AbstractClient::setQuickTileMode(QuickTileMode mode, bool keyboard)
{
// Only allow quick tile on a regular window.
if (!isResizable()) {
return;
}
workspace()->updateFocusMousePosition(Cursor::pos()); // may cause leave event
GeometryUpdatesBlocker blocker(this);
if (mode == QuickTileMode(QuickTileFlag::Maximize)) {
m_quickTileMode = int(QuickTileFlag::None);
if (maximizeMode() == MaximizeFull) {
setMaximize(false, false);
} else {
QRect prev_geom_restore = geometryRestore(); // setMaximize() would set moveResizeGeom as geom_restore
m_quickTileMode = int(QuickTileFlag::Maximize);
setMaximize(true, true);
QRect clientArea = workspace()->clientArea(MaximizeArea, this);
if (frameGeometry().top() != clientArea.top()) {
QRect r(frameGeometry());
r.moveTop(clientArea.top());
setFrameGeometry(r);
}
setGeometryRestore(prev_geom_restore);
}
emit quickTileModeChanged();
return;
}
// sanitize the mode, ie. simplify "invalid" combinations
if ((mode & QuickTileFlag::Horizontal) == QuickTileMode(QuickTileFlag::Horizontal))
mode &= ~QuickTileMode(QuickTileFlag::Horizontal);
if ((mode & QuickTileFlag::Vertical) == QuickTileMode(QuickTileFlag::Vertical))
mode &= ~QuickTileMode(QuickTileFlag::Vertical);
setElectricBorderMode(mode); // used by ::electricBorderMaximizeGeometry(.)
// restore from maximized so that it is possible to tile maximized windows with one hit or by dragging
if (maximizeMode() != MaximizeRestore) {
if (mode != QuickTileMode(QuickTileFlag::None)) {
// decorations may turn off some borders when tiled
const ForceGeometry_t geom_mode = isDecorated() ? ForceGeometrySet : NormalGeometrySet;
m_quickTileMode = int(QuickTileFlag::None); // Temporary, so the maximize code doesn't get all confused
setMaximize(false, false);
setFrameGeometry(electricBorderMaximizeGeometry(keyboard ? frameGeometry().center() : Cursor::pos(), desktop()), geom_mode);
// Store the mode change
m_quickTileMode = mode;
} else {
m_quickTileMode = mode;
setMaximize(false, false);
}
emit quickTileModeChanged();
return;
}
if (mode != QuickTileMode(QuickTileFlag::None)) {
QPoint whichScreen = keyboard ? frameGeometry().center() : Cursor::pos();
// If trying to tile to the side that the window is already tiled to move the window to the next
// screen if it exists, otherwise toggle the mode (set QuickTileFlag::None)
if (quickTileMode() == mode) {
const int numScreens = screens()->count();
const int curScreen = screen();
int nextScreen = curScreen;
QVarLengthArray<QRect> screens(numScreens);
for (int i = 0; i < numScreens; ++i) // Cache
screens[i] = Screens::self()->geometry(i);
for (int i = 0; i < numScreens; ++i) {
if (i == curScreen)
continue;
if (screens[i].bottom() <= screens[curScreen].top() || screens[i].top() >= screens[curScreen].bottom())
continue; // not in horizontal line
const int x = screens[i].center().x();
if ((mode & QuickTileFlag::Horizontal) == QuickTileMode(QuickTileFlag::Left)) {
if (x >= screens[curScreen].center().x() || (curScreen != nextScreen && x <= screens[nextScreen].center().x()))
continue; // not left of current or more left then found next
} else if ((mode & QuickTileFlag::Horizontal) == QuickTileMode(QuickTileFlag::Right)) {
if (x <= screens[curScreen].center().x() || (curScreen != nextScreen && x >= screens[nextScreen].center().x()))
continue; // not right of current or more right then found next
}
nextScreen = i;
}
if (nextScreen == curScreen) {
mode = QuickTileFlag::None; // No other screens, toggle tiling
} else {
// Move to other screen
setFrameGeometry(geometryRestore().translated(screens[nextScreen].topLeft() - screens[curScreen].topLeft()));
whichScreen = screens[nextScreen].center();
// Swap sides
if (mode & QuickTileFlag::Horizontal) {
mode = (~mode & QuickTileFlag::Horizontal) | (mode & QuickTileFlag::Vertical);
}
}
setElectricBorderMode(mode); // used by ::electricBorderMaximizeGeometry(.)
} else if (quickTileMode() == QuickTileMode(QuickTileFlag::None)) {
// Not coming out of an existing tile, not shifting monitors, we're setting a brand new tile.
// Store geometry first, so we can go out of this tile later.
setGeometryRestore(frameGeometry());
}
if (mode != QuickTileMode(QuickTileFlag::None)) {
m_quickTileMode = mode;
// decorations may turn off some borders when tiled
const ForceGeometry_t geom_mode = isDecorated() ? ForceGeometrySet : NormalGeometrySet;
// Temporary, so the maximize code doesn't get all confused
m_quickTileMode = int(QuickTileFlag::None);
setFrameGeometry(electricBorderMaximizeGeometry(whichScreen, desktop()), geom_mode);
}
// Store the mode change
m_quickTileMode = mode;
}
if (mode == QuickTileMode(QuickTileFlag::None)) {
m_quickTileMode = int(QuickTileFlag::None);
// Untiling, so just restore geometry, and we're done.
if (!geometryRestore().isValid()) // invalid if we started maximized and wait for placement
setGeometryRestore(frameGeometry());
// decorations may turn off some borders when tiled
const ForceGeometry_t geom_mode = isDecorated() ? ForceGeometrySet : NormalGeometrySet;
setFrameGeometry(geometryRestore(), geom_mode);
checkWorkspacePosition(); // Just in case it's a different screen
}
emit quickTileModeChanged();
}
void AbstractClient::sendToScreen(int newScreen)
{
newScreen = rules()->checkScreen(newScreen);
if (isActive()) {
screens()->setCurrent(newScreen);
// might impact the layer of a fullscreen window
foreach (AbstractClient *cc, workspace()->allClientList()) {
if (cc->isFullScreen() && cc->screen() == newScreen) {
cc->updateLayer();
}
}
}
if (screen() == newScreen) // Don't use isOnScreen(), that's true even when only partially
return;
GeometryUpdatesBlocker blocker(this);
// operating on the maximized / quicktiled window would leave the old geom_restore behind,
// so we clear the state first
MaximizeMode maxMode = maximizeMode();
QuickTileMode qtMode = quickTileMode();
if (maxMode != MaximizeRestore)
maximize(MaximizeRestore);
if (qtMode != QuickTileMode(QuickTileFlag::None))
setQuickTileMode(QuickTileFlag::None, true);
QRect oldScreenArea = workspace()->clientArea(MaximizeArea, this);
QRect screenArea = workspace()->clientArea(MaximizeArea, newScreen, desktop());
// the window can have its center so that the position correction moves the new center onto
// the old screen, what will tile it where it is. Ie. the screen is not changed
// this happens esp. with electric border quicktiling
if (qtMode != QuickTileMode(QuickTileFlag::None))
keepInArea(oldScreenArea);
QRect oldGeom = frameGeometry();
QRect newGeom = oldGeom;
// move the window to have the same relative position to the center of the screen
// (i.e. one near the middle of the right edge will also end up near the middle of the right edge)
QPoint center = newGeom.center() - oldScreenArea.center();
center.setX(center.x() * screenArea.width() / oldScreenArea.width());
center.setY(center.y() * screenArea.height() / oldScreenArea.height());
center += screenArea.center();
newGeom.moveCenter(center);
setFrameGeometry(newGeom);
// If the window was inside the old screen area, explicitly make sure its inside also the new screen area.
// Calling checkWorkspacePosition() should ensure that, but when moving to a small screen the window could
// be big enough to overlap outside of the new screen area, making struts from other screens come into effect,
// which could alter the resulting geometry.
if (oldScreenArea.contains(oldGeom)) {
keepInArea(screenArea);
}
// align geom_restore - checkWorkspacePosition operates on it
setGeometryRestore(frameGeometry());
checkWorkspacePosition(oldGeom);
// re-align geom_restore to constrained geometry
setGeometryRestore(frameGeometry());
// finally reset special states
// NOTICE that MaximizeRestore/QuickTileFlag::None checks are required.
// eg. setting QuickTileFlag::None would break maximization
if (maxMode != MaximizeRestore)
maximize(maxMode);
if (qtMode != QuickTileMode(QuickTileFlag::None) && qtMode != quickTileMode())
setQuickTileMode(qtMode, true);
auto tso = workspace()->ensureStackingOrder(transients());
for (auto it = tso.constBegin(), end = tso.constEnd(); it != end; ++it)
(*it)->sendToScreen(newScreen);
}
} // namespace
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