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kwin/geometry.cpp
Thomas Lübking 2568fcb149 guide partially max'd windows against corner snaps 
BUG: 323598
FIXED-IN: 4.11.1
REVIEW: 112124
2013-08-27 07:53:02 +02:00

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126 KiB
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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 "client.h"
#include "composite.h"
#include "cursor.h"
#include "netinfo.h"
#include "workspace.h"
#include <kapplication.h>
#include <kglobal.h>
#include <kwindowsystem.h>
#include "placement.h"
#include "geometrytip.h"
#include "rules.h"
#include "screens.h"
#include "effects.h"
#ifdef KWIN_BUILD_SCREENEDGES
#include "screenedge.h"
#endif
#include <QDesktopWidget>
#include <QPainter>
#include <QVarLengthArray>
#include <QX11Info>
#include <KDE/KGlobalSettings>
#include "outline.h"
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;
for (int i = 0; i < screens()->count(); i++) {
//do NOT use - QApplication::desktop()->screenGeometry(i) there could be a virtual geometry
// see bug #302783
geom |= QApplication::desktop()->screen(i)->geometry();
}
NETSize desktop_geometry;
desktop_geometry.width = geom.width();
desktop_geometry.height = geom.height();
rootInfo()->setDesktopGeometry(-1, 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
#ifdef KWIN_BUILD_SCREENEDGES
ScreenEdges::self()->recreateEdges();
#endif
if (effects) {
static_cast<EffectsHandlerImpl*>(effects)->desktopResized(geom.size());
}
//Update the shape of the overlay window to fix redrawing of unredirected windows. bug#305781
m_compositor->checkUnredirect(true);
}
void Workspace::saveOldScreenSizes()
{
olddisplaysize = QSize( displayWidth(), displayHeight());
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 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).
\sa clientArea()
*/
void Workspace::updateClientArea(bool force)
{
const Screens *s = Screens::self();
int nscreens = s->count();
const int numberOfDesktops = VirtualDesktopManager::self()->count();
kDebug(1212) << "screens: " << nscreens << "desktops: " << numberOfDesktops;
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 (ClientList::ConstIterator it = clients.constBegin(); it != clients.constEnd(); ++it) {
if (!(*it)->hasStrut())
continue;
QRect r = (*it)->adjustedClientArea(desktopArea, desktopArea);
StrutRects strutRegion = (*it)->strutRects();
// 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 ++) {
new_sareas[ i ][ iS ] = new_sareas[ i ][ iS ].intersected(
(*it)->adjustedClientArea(desktopArea, screens[ iS ]));
}
}
} 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 ++) {
// kDebug (1212) << "adjusting new_sarea: " << screens[ iS ];
new_sareas[(*it)->desktop()][ iS ]
= new_sareas[(*it)->desktop()][ iS ].intersected(
(*it)->adjustedClientArea(desktopArea, screens[ iS ]));
}
}
}
#if 0
for (int i = 1;
i <= numberOfDesktops();
++i) {
for (int iS = 0;
iS < nscreens;
iS ++)
kDebug(1212) << "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;
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 (ClientList::ConstIterator it = clients.constBegin();
it != clients.constEnd();
++it)
(*it)->checkWorkspacePosition();
for (ClientList::ConstIterator it = desktops.constBegin();
it != desktops.constEnd();
++it)
(*it)->checkWorkspacePosition();
oldrestrictedmovearea.clear(); // reset, no longer valid or needed
}
kDebug(1212) << "Done.";
}
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 geometry().
\sa 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();
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, displayWidth(), displayHeight())
: 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, displayWidth(), displayHeight());
}
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 Client* c) const
{
return clientArea(opt, c->geometry().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(Client* c, QPoint pos, bool unrestricted, double snapAdjust)
{
QSize borderSnapZone(options->borderSnapZone(), options->borderSnapZone());
QRect maxRect;
int guideMaximized = MaximizeRestore;
if (c->maximizeMode() != MaximizeRestore) {
maxRect = clientArea(MovementArea, pos + c->rect().center(), c->desktop());
QRect geo = c->geometry();
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();
if (maxRect.isNull())
maxRect = clientArea(MovementArea, pos + c->rect().center(), 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) {
const QPoint cp = c->clientPos();
const QSize cs = c->geometry().size() - c->clientSize();
int padding[4] = { cp.x(), cs.width() - cp.x(), cp.y(), cs.height() - cp.y() };
// snap to titlebar
Position titlePos = c->titlebarPosition();
if (titlePos == PositionLeft || (c->maximizeMode() & MaximizeHorizontal))
padding[0] = 0;
if (titlePos == PositionRight || (c->maximizeMode() & MaximizeHorizontal))
padding[1] = 0;
if (titlePos == PositionTop || (c->maximizeMode() & MaximizeVertical))
padding[2] = 0;
if (titlePos == PositionBottom || (c->maximizeMode() & MaximizeVertical))
padding[3] = 0;
if ((sOWO ? (cx < xmin) : true) && (qAbs(xmin - cx) < snapX)) {
deltaX = xmin - cx;
nx = xmin - padding[0];
}
if ((sOWO ? (rx > xmax) : true) && (qAbs(rx - xmax) < snapX) && (qAbs(xmax - rx) < deltaX)) {
deltaX = rx - xmax;
nx = xmax - cw + padding[1];
}
if ((sOWO ? (cy < ymin) : true) && (qAbs(ymin - cy) < snapY)) {
deltaY = ymin - cy;
ny = ymin - padding[2];
}
if ((sOWO ? (ry > ymax) : true) && (qAbs(ry - ymax) < snapY) && (qAbs(ymax - ry) < deltaY)) {
deltaY = ry - ymax;
ny = ymax - ch + padding[3];
}
}
// windows snap
int snap = options->windowSnapZone() * snapAdjust;
if (snap) {
QList<Client *>::ConstIterator l;
for (l = clients.constBegin(); l != clients.constEnd(); ++l) {
if ((*l) == c)
continue;
if ((*l)->isMinimized())
continue; // is minimized
if ((*l)->tabGroup() && (*l) != (*l)->tabGroup()->current())
continue; // is not active tab
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(Client* 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 PositionBottomRight:
SNAP_BORDER_BOTTOM
SNAP_BORDER_RIGHT
break;
case PositionRight:
SNAP_BORDER_RIGHT
break;
case PositionBottom:
SNAP_BORDER_BOTTOM
break;
case PositionTopLeft:
SNAP_BORDER_TOP
SNAP_BORDER_LEFT
break;
case PositionLeft:
SNAP_BORDER_LEFT
break;
case PositionTop:
SNAP_BORDER_TOP
break;
case PositionTopRight:
SNAP_BORDER_TOP
SNAP_BORDER_RIGHT
break;
case PositionBottomLeft:
SNAP_BORDER_BOTTOM
SNAP_BORDER_LEFT
break;
default:
abort();
break;
}
}
// windows snap
snap = options->windowSnapZone();
if (snap) {
deltaX = int(snap);
deltaY = int(snap);
QList<Client *>::ConstIterator l;
for (l = clients.constBegin(); l != clients.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 PositionBottomRight:
SNAP_WINDOW_BOTTOM
SNAP_WINDOW_RIGHT
SNAP_WINDOW_C_BOTTOM
SNAP_WINDOW_C_RIGHT
break;
case PositionRight:
SNAP_WINDOW_RIGHT
SNAP_WINDOW_C_RIGHT
break;
case PositionBottom:
SNAP_WINDOW_BOTTOM
SNAP_WINDOW_C_BOTTOM
break;
case PositionTopLeft:
SNAP_WINDOW_TOP
SNAP_WINDOW_LEFT
SNAP_WINDOW_C_TOP
SNAP_WINDOW_C_LEFT
break;
case PositionLeft:
SNAP_WINDOW_LEFT
SNAP_WINDOW_C_LEFT
break;
case PositionTop:
SNAP_WINDOW_TOP
SNAP_WINDOW_C_TOP
break;
case PositionTopRight:
SNAP_WINDOW_TOP
SNAP_WINDOW_RIGHT
SNAP_WINDOW_C_TOP
SNAP_WINDOW_C_RIGHT
break;
case 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 around by the user.
*/
void Workspace::setClientIsMoving(Client *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(display(), w, rootWindow(), NET::WMFrameExtents);
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
//********************************************
void Client::keepInArea(QRect area, bool partial)
{
if (partial) {
// increase the area so that can have only 100 pixels in the area
area.setLeft(qMin(area.left() - width() + 100, area.left()));
area.setTop(qMin(area.top() - height() + 100, area.top()));
area.setRight(qMax(area.right() + width() - 100, area.right()));
area.setBottom(qMax(area.bottom() + height() - 100, area.bottom()));
}
if (!partial) {
// resize to fit into area
if (area.width() < width() || area.height() < height())
resizeWithChecks(qMin(area.width(), width()), qMin(area.height(), height()));
}
if (geometry().right() > area.right() && width() <= area.width())
move(area.right() - width() + 1, y());
if (geometry().bottom() > area.bottom() && height() <= area.height())
move(x(), area.bottom() - height() + 1);
if (!area.contains(geometry().topLeft())) {
int tx = x();
int ty = y();
if (tx < area.x())
tx = area.x();
if (ty < area.y())
ty = area.y();
move(tx, ty);
}
}
/*!
Returns \a area with the client's strut taken into account.
Used from Workspace in updateClientArea.
*/
// TODO move to Workspace?
QRect Client::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(0, 0, displayWidth(), displayHeight())) {
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)) {
// kDebug (1212) << "Moving left of: " << r << " to " << stareaL.right() + 1;
r . setLeft(stareaL . right() + 1);
}
if (stareaR . intersects(area)) {
// kDebug (1212) << "Moving right of: " << r << " to " << stareaR.left() - 1;
r . setRight(stareaR . left() - 1);
}
if (stareaT . intersects(area)) {
// kDebug (1212) << "Moving top of: " << r << " to " << stareaT.bottom() + 1;
r . setTop(stareaT . bottom() + 1);
}
if (stareaB . intersects(area)) {
// kDebug (1212) << "Moving bottom of: " << r << " to " << stareaB.top() - 1;
r . setBottom(stareaB . top() - 1);
}
return r;
}
NETExtendedStrut Client::strut() const
{
NETExtendedStrut ext = info->extendedStrut();
NETStrut str = info->strut();
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 = displayHeight();
}
if (str.right != 0) {
ext.right_width = str.right;
ext.right_start = 0;
ext.right_end = displayHeight();
}
if (str.top != 0) {
ext.top_width = str.top;
ext.top_start = 0;
ext.top_end = displayWidth();
}
if (str.bottom != 0) {
ext.bottom_width = str.bottom;
ext.bottom_start = 0;
ext.bottom_end = displayWidth();
}
}
return ext;
}
StrutRect Client::strutRect(StrutArea area) const
{
assert(area != StrutAreaAll); // Not valid
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(
displayWidth() - 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, displayHeight() - 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 Client::strutRects() const
{
StrutRects region;
region += strutRect(StrutAreaTop);
region += strutRect(StrutAreaRight);
region += strutRect(StrutAreaBottom);
region += strutRect(StrutAreaLeft);
return region;
}
bool Client::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 Client::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 Client::checkWorkspacePosition(QRect oldGeometry, int oldDesktop)
{
if( !oldGeometry.isValid())
oldGeometry = geometry();
if( oldDesktop == -2 )
oldDesktop = desktop();
if (isDesktop())
return;
if (isFullScreen()) {
QRect area = workspace()->clientArea(FullScreenArea, this);
if (geometry() != area)
setGeometry(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 = geometry();
checkOffscreenPosition(&geom, screenArea);
setGeometry(geom);
return;
}
if (quick_tile_mode != QuickTileNone) {
setGeometry(electricBorderMaximizeGeometry(geometry().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()->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;
QRect oldGeomTall;
QRect oldGeomWide;
if( workspace()->inUpdateClientArea()) {
// we need to find the screen area as it was before the change
oldScreenArea = QRect( 0, 0, workspace()->oldDisplayWidth(), workspace()->oldDisplayHeight());
oldGeomTall = QRect(oldGeometry.x(), 0, oldGeometry.width(), workspace()->oldDisplayHeight()); // Full screen height
oldGeomWide = QRect(0, oldGeometry.y(), workspace()->oldDisplayWidth(), oldGeometry.height()); // Full screen width
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);
oldGeomTall = QRect(oldGeometry.x(), 0, oldGeometry.width(), displayHeight()); // Full screen height
oldGeomWide = QRect(0, oldGeometry.y(), displayWidth(), 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, this);
int topMax = screenArea.y();
int rightMax = screenArea.x() + screenArea.width();
int bottomMax = screenArea.y() + screenArea.height();
int leftMax = screenArea.x();
QRect newGeom = geom_restore; // geometry();
const QRect newGeomTall = QRect(newGeom.x(), 0, newGeom.width(), displayHeight()); // Full screen height
const QRect newGeomWide = QRect(0, newGeom.y(), displayWidth(), 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).
if( workspace()->inUpdateClientArea()) {
// These 4 compute old bounds when the restricted areas themselves changed (Workspace::updateClientArea())
foreach (const QRect & r, workspace()->previousRestrictedMoveArea(oldDesktop, StrutAreaTop).rects()) {
QRect rect = r & oldGeomTall;
if (!rect.isEmpty())
oldTopMax = qMax(oldTopMax, rect.y() + rect.height());
}
foreach (const QRect & r, workspace()->previousRestrictedMoveArea(oldDesktop, StrutAreaRight).rects()) {
QRect rect = r & oldGeomWide;
if (!rect.isEmpty())
oldRightMax = qMin(oldRightMax, rect.x());
}
foreach (const QRect & r, workspace()->previousRestrictedMoveArea(oldDesktop, StrutAreaBottom).rects()) {
QRect rect = r & oldGeomTall;
if (!rect.isEmpty())
oldBottomMax = qMin(oldBottomMax, rect.y());
}
foreach (const QRect & r, workspace()->previousRestrictedMoveArea(oldDesktop, StrutAreaLeft).rects()) {
QRect rect = r & oldGeomWide;
if (!rect.isEmpty())
oldLeftMax = qMax(oldLeftMax, rect.x() + rect.width());
}
} else {
// These 4 compute old bounds when e.g. active desktop or screen changes
foreach (const QRect & r, workspace()->restrictedMoveArea(oldDesktop, StrutAreaTop).rects()) {
QRect rect = r & oldGeomTall;
if (!rect.isEmpty())
oldTopMax = qMax(oldTopMax, rect.y() + rect.height());
}
foreach (const QRect & r, workspace()->restrictedMoveArea(oldDesktop, StrutAreaRight).rects()) {
QRect rect = r & oldGeomWide;
if (!rect.isEmpty())
oldRightMax = qMin(oldRightMax, rect.x());
}
foreach (const QRect & r, workspace()->restrictedMoveArea(oldDesktop, StrutAreaBottom).rects()) {
QRect rect = r & oldGeomTall;
if (!rect.isEmpty())
oldBottomMax = qMin(oldBottomMax, rect.y());
}
foreach (const QRect & r, workspace()->restrictedMoveArea(oldDesktop, StrutAreaLeft).rects()) {
QRect rect = r & oldGeomWide;
if (!rect.isEmpty())
oldLeftMax = qMax(oldLeftMax, rect.x() + rect.width());
}
}
// These 4 compute new bounds
foreach (const QRect & r, workspace()->restrictedMoveArea(desktop(), StrutAreaTop).rects()) {
QRect rect = r & newGeomTall;
if (!rect.isEmpty())
topMax = qMax(topMax, rect.y() + rect.height());
}
foreach (const QRect & r, workspace()->restrictedMoveArea(desktop(), StrutAreaRight).rects()) {
QRect rect = r & newGeomWide;
if (!rect.isEmpty())
rightMax = qMin(rightMax, rect.x());
}
foreach (const QRect & r, workspace()->restrictedMoveArea(desktop(), StrutAreaBottom).rects()) {
QRect rect = r & newGeomTall;
if (!rect.isEmpty())
bottomMax = qMin(bottomMax, rect.y());
}
foreach (const QRect & r, workspace()->restrictedMoveArea(desktop(), StrutAreaLeft).rects()) {
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
if ((oldGeometry.y() >= oldTopMax && newGeom.y() < topMax)
|| (oldGeometry.y() == oldTopMax && newGeom.y() != topMax)) {
// Top was inside or touching before but isn't anymore
newGeom.moveTop(qMax(topMax, screenArea.y()));
}
if ((oldGeometry.y() + oldGeometry.height() <= oldBottomMax && newGeom.y() + newGeom.height() > bottomMax)
|| (oldGeometry.y() + oldGeometry.height() == oldBottomMax && newGeom.y() + newGeom.height() != bottomMax)) {
// Bottom was inside or touching before but isn't anymore
newGeom.moveBottom(qMin(bottomMax - 1, screenArea.bottom()));
// If the other side was inside make sure it still is afterwards (shrink appropriately)
if (oldGeometry.y() >= oldTopMax && newGeom.y() < topMax)
newGeom.setTop(qMax(topMax, screenArea.y()));
}
if ((oldGeometry.x() >= oldLeftMax && newGeom.x() < leftMax)
|| (oldGeometry.x() == oldLeftMax && newGeom.x() != leftMax)) {
// Left was inside or touching before but isn't anymore
newGeom.moveLeft(qMax(leftMax, screenArea.x()));
}
if ((oldGeometry.x() + oldGeometry.width() <= oldRightMax && newGeom.x() + newGeom.width() > rightMax)
|| (oldGeometry.x() + oldGeometry.width() == oldRightMax && newGeom.x() + newGeom.width() != rightMax)) {
// Right was inside or touching before but isn't anymore
newGeom.moveRight(qMin(rightMax - 1, screenArea.right()));
// If the other side was inside make sure it still is afterwards (shrink appropriately)
if (oldGeometry.x() >= oldLeftMax && newGeom.x() < leftMax)
newGeom.setLeft(qMax(leftMax, screenArea.x()));
}
checkOffscreenPosition(&newGeom, screenArea);
// Obey size hints. TODO: We really should make sure it stays in the right place
newGeom.setSize(adjustedSize(newGeom.size()));
if (newGeom != geometry())
setGeometry(newGeom);
}
void Client::checkOffscreenPosition(QRect* geom, const QRect& screenArea)
{
if (geom->x() > screenArea.right()) {
int screenWidth = screenArea.width();
geom->moveLeft(screenWidth - (screenWidth / 4));
}
if (geom->y() > screenArea.bottom()) {
int screenHeight = screenArea.height();
geom->moveBottom(screenHeight - (screenHeight / 4));
}
}
/*!
Adjust the frame size \a frame according to he window's size hints.
*/
QSize Client::adjustedSize(const QSize& frame, Sizemode mode) const
{
// first, get the window size for the given frame size s
QSize wsize(frame.width() - (border_left + border_right),
frame.height() - (border_top + border_bottom));
if (wsize.isEmpty())
wsize = QSize(1, 1);
return sizeForClientSize(wsize, mode, false);
}
// this helper returns proper size even if the window is shaded
// see also the comment in Client::setGeometry()
QSize Client::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 Client::sizeForClientSize(const QSize& wsize, Sizemode mode, bool noframe) const
{
int w = wsize.width();
int h = wsize.height();
if (w < 1 || h < 1) {
kWarning(1212) << "sizeForClientSize() with empty size!" ;
kWarning(1212) << kBacktrace() ;
}
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 = tabGroup() ? tabGroup()->minSize() : minSize();
QSize max_size = tabGroup() ? tabGroup()->maxSize() : maxSize();
if (decoration != NULL) {
QSize decominsize = decoration->minimumSize();
QSize border_size(border_left + border_right, border_top + border_bottom);
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 = xSizeHint.width_inc;
int height_inc = xSizeHint.height_inc;
int basew_inc = xSizeHint.min_width; // see getWmNormalHints()
int baseh_inc = xSizeHint.min_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 (xSizeHint.flags & PAspect) {
double min_aspect_w = xSizeHint.min_aspect.x; // use doubles, because the values can be MAX_INT
double min_aspect_h = xSizeHint.min_aspect.y; // and multiplying would go wrong otherwise
double max_aspect_w = xSizeHint.max_aspect.x;
double max_aspect_h = xSizeHint.max_aspect.y;
// 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.
w -= xSizeHint.base_width;
h -= xSizeHint.base_height;
int max_width = max_size.width() - xSizeHint.base_width;
int min_width = min_size.width() - xSizeHint.base_width;
int max_height = max_size.height() - xSizeHint.base_height;
int min_height = min_size.height() - xSizeHint.base_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 += xSizeHint.base_width;
h += xSizeHint.base_height;
}
if (!rules()->checkStrictGeometry(!isFullScreen())) {
// disobey increments and aspect by explicit rule
w = w1;
h = h1;
}
if (!noframe) {
w += border_left + border_right;
h += border_top + border_bottom;
}
return rules()->checkSize(QSize(w, h));
}
/*!
Gets the client's normal WM hints and reconfigures itself respectively.
*/
void Client::getWmNormalHints()
{
long msize;
const bool hadFixedAspect = xSizeHint.flags & PAspect;
if (XGetWMNormalHints(display(), window(), &xSizeHint, &msize) == 0)
xSizeHint.flags = 0;
// set defined values for the fields, even if they're not in flags
if (!(xSizeHint.flags & PMinSize))
xSizeHint.min_width = xSizeHint.min_height = 0;
if (xSizeHint.flags & PBaseSize) {
// PBaseSize is a fallback for PMinSize according to ICCCM 4.1.2.3
// The other way around PMinSize is not a complete fallback for PBaseSize,
// so that's not handled here.
if (!(xSizeHint.flags & PMinSize)) {
xSizeHint.min_width = xSizeHint.base_width;
xSizeHint.min_height = xSizeHint.base_height;
}
} else
xSizeHint.base_width = xSizeHint.base_height = 0;
if (!(xSizeHint.flags & PMaxSize))
xSizeHint.max_width = xSizeHint.max_height = INT_MAX;
else {
xSizeHint.max_width = qMax(xSizeHint.max_width, 1);
xSizeHint.max_height = qMax(xSizeHint.max_height, 1);
}
if (xSizeHint.flags & PResizeInc) {
xSizeHint.width_inc = qMax(xSizeHint.width_inc, 1);
xSizeHint.height_inc = qMax(xSizeHint.height_inc, 1);
} else {
xSizeHint.width_inc = 1;
xSizeHint.height_inc = 1;
}
if (xSizeHint.flags & PAspect) {
// no dividing by zero
xSizeHint.min_aspect.y = qMax(xSizeHint.min_aspect.y, 1);
xSizeHint.max_aspect.y = qMax(xSizeHint.max_aspect.y, 1);
if (!hadFixedAspect)
maximize(max_mode); // align to eventual new contraints
} else {
xSizeHint.min_aspect.x = 1;
xSizeHint.min_aspect.y = INT_MAX;
xSizeHint.max_aspect.x = INT_MAX;
xSizeHint.max_aspect.y = 1;
}
if (!(xSizeHint.flags & PWinGravity))
xSizeHint.win_gravity = NorthWestGravity;
// Update min/max size of this group
if (tabGroup())
tabGroup()->updateMinMaxSize();
if (isManaged()) {
// update to match restrictions
QSize new_size = adjustedSize();
if (new_size != size() && !isFullScreen()) {
QRect orig_geometry = geometry();
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(orig_geometry))
keepInArea(area);
area = workspace()->clientArea(WorkArea, this);
if (area.contains(orig_geometry))
keepInArea(area);
}
}
}
updateAllowedActions(); // affects isResizeable()
}
QSize Client::minSize() const
{
return rules()->checkMinSize(QSize(xSizeHint.min_width, xSizeHint.min_height));
}
QSize Client::maxSize() const
{
return rules()->checkMaxSize(QSize(xSizeHint.max_width, xSizeHint.max_height));
}
QSize Client::basicUnit() const
{
return QSize(xSizeHint.width_inc, xSizeHint.height_inc);
}
/*!
Auxiliary function to inform the client about the current window
configuration.
*/
void Client::sendSyntheticConfigureNotify()
{
XConfigureEvent c;
c.type = ConfigureNotify;
c.send_event = True;
c.event = window();
c.window = window();
c.x = x() + clientPos().x();
c.y = y() + clientPos().y();
c.width = clientSize().width();
c.height = clientSize().height();
c.border_width = 0;
c.above = None;
c.override_redirect = 0;
XSendEvent(display(), c.event, true, StructureNotifyMask, (XEvent*)&c);
}
const QPoint Client::calculateGravitation(bool invert, int gravity) const
{
int dx, dy;
dx = dy = 0;
if (gravity == 0) // default (nonsense) value for the argument
gravity = xSizeHint.win_gravity;
// dx, dy specify how the client window moves to make space for the frame
switch(gravity) {
case NorthWestGravity: // move down right
default:
dx = border_left;
dy = border_top;
break;
case NorthGravity: // move right
dx = 0;
dy = border_top;
break;
case NorthEastGravity: // move down left
dx = -border_right;
dy = border_top;
break;
case WestGravity: // move right
dx = border_left;
dy = 0;
break;
case CenterGravity:
break; // will be handled specially
case StaticGravity: // don't move
dx = 0;
dy = 0;
break;
case EastGravity: // move left
dx = -border_right;
dy = 0;
break;
case SouthWestGravity: // move up right
dx = border_left ;
dy = -border_bottom;
break;
case SouthGravity: // move up
dx = 0;
dy = -border_bottom;
break;
case SouthEastGravity: // move up left
dx = -border_right;
dy = -border_bottom;
break;
}
if (gravity != CenterGravity) {
// translate from client movement to frame movement
dx -= border_left;
dy -= border_top;
} else {
// center of the frame will be at the same position client center without frame would be
dx = - (border_left + border_right) / 2;
dy = - (border_top + border_bottom) / 2;
}
if (!invert)
return QPoint(x() + dx, y() + dy);
else
return QPoint(x() - dx, y() - dy);
}
void Client::configureRequest(int value_mask, int rx, int ry, int rw, int rh, int gravity, bool from_tool)
{
// "maximized" is a user setting -> we do not allow the client to resize itself
// away from this & against the users explicit wish
kDebug(1212) << this << bool(value_mask & (CWX|CWWidth|CWY|CWHeight)) <<
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 && (quick_tile_mode != QuickTileNone || 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.
quick_tile_mode = QuickTileNone;
max_mode = MaximizeRestore;
} else if (!app_noborder && quick_tile_mode == QuickTileNone &&
(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 &= ~(CWY|CWHeight);
if (maximizeMode() == MaximizeHorizontal)
value_mask &= ~(CWX|CWWidth);
if (!(value_mask & (CWX|CWWidth|CWY|CWHeight))) {
ignore = true; // the modification turned the request void
}
}
}
if (ignore) {
kDebug(1212) << "DENIED";
return; // nothing to (left) to do for use - bugs #158974, #252314, #321491
}
kDebug(1212) << "PERMITTED" << this << bool(value_mask & (CWX|CWWidth|CWY|CWHeight));
if (gravity == 0) // default (nonsense) value for the argument
gravity = xSizeHint.win_gravity;
if (value_mask & (CWX | CWY)) {
QPoint new_pos = calculateGravitation(true, gravity); // undo gravitation
if (value_mask & CWX)
new_pos.setX(rx);
if (value_mask & CWY)
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() == x() + clientPos().x() && new_pos.y() == y() + clientPos().y()
&& gravity == NorthWestGravity && !from_tool) {
new_pos.setX(x());
new_pos.setY(y());
}
int nw = clientSize().width();
int nh = clientSize().height();
if (value_mask & CWWidth)
nw = rw;
if (value_mask & CWHeight)
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 orig_geometry = geometry();
GeometryUpdatesBlocker blocker(this);
move(new_pos);
plainResize(ns);
setGeometry(QRect(calculateGravitation(false, gravity), size()));
updateFullScreenHack(QRect(new_pos, QSize(nw, nh)));
QRect area = workspace()->clientArea(WorkArea, this);
if (!from_tool && (!isSpecialWindow() || isToolbar()) && !isFullScreen()
&& area.contains(orig_geometry))
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
// Client::adjustedClientArea()
if (hasStrut())
workspace() -> updateClientArea();
}
if (value_mask & (CWWidth | CWHeight)
&& !(value_mask & (CWX | CWY))) { // pure resize
int nw = clientSize().width();
int nh = clientSize().height();
if (value_mask & CWWidth)
nw = rw;
if (value_mask & CWHeight)
nh = rh;
QSize ns = sizeForClientSize(QSize(nw, nh));
if (ns != size()) { // don't restore if some app sets its own size again
QRect orig_geometry = geometry();
GeometryUpdatesBlocker blocker(this);
int save_gravity = xSizeHint.win_gravity;
xSizeHint.win_gravity = gravity;
resizeWithChecks(ns);
xSizeHint.win_gravity = save_gravity;
updateFullScreenHack(QRect(calculateGravitation(true, xSizeHint.win_gravity), QSize(nw, nh)));
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(orig_geometry))
keepInArea(area);
area = workspace()->clientArea(WorkArea, this);
if (area.contains(orig_geometry))
keepInArea(area);
}
}
}
geom_restore = geometry();
// 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 Client::resizeWithChecks(int w, int h, ForceGeometry_t force)
{
assert(!shade_geometry_change);
if (isShade()) {
if (h == border_top + border_bottom) {
kWarning(1212) << "Shaded geometry passed for size:" ;
kWarning(1212) << kBacktrace() ;
}
}
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();
switch(xSizeHint.win_gravity) {
case NorthWestGravity: // top left corner doesn't move
default:
break;
case NorthGravity: // middle of top border doesn't move
newx = (newx + width() / 2) - (w / 2);
break;
case NorthEastGravity: // top right corner doesn't move
newx = newx + width() - w;
break;
case WestGravity: // middle of left border doesn't move
newy = (newy + height() / 2) - (h / 2);
break;
case CenterGravity: // middle point doesn't move
newx = (newx + width() / 2) - (w / 2);
newy = (newy + height() / 2) - (h / 2);
break;
case StaticGravity: // top left corner of _client_ window doesn't move
// since decoration doesn't change, equal to NorthWestGravity
break;
case EastGravity: // // middle of right border doesn't move
newx = newx + width() - w;
newy = (newy + height() / 2) - (h / 2);
break;
case SouthWestGravity: // bottom left corner doesn't move
newy = newy + height() - h;
break;
case SouthGravity: // middle of bottom border doesn't move
newx = (newx + width() / 2) - (w / 2);
newy = newy + height() - h;
break;
case SouthEastGravity: // bottom right corner doesn't move
newx = newx + width() - w;
newy = newy + height() - h;
break;
}
setGeometry(newx, newy, w, h, force);
}
// _NET_MOVERESIZE_WINDOW
void Client::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 |= CWX;
if (flags & (1 << 9))
value_mask |= CWY;
if (flags & (1 << 10))
value_mask |= CWWidth;
if (flags & (1 << 11))
value_mask |= CWHeight;
configureRequest(value_mask, x, y, width, height, gravity, true);
}
/*!
Returns whether the window is moveable or has a fixed
position.
*/
bool Client::isMovable() const
{
if (!motif_may_move || isFullScreen())
return false;
if (isSpecialWindow() && !isSplash() && !isToolbar()) // allow moving of splashscreens :)
return false;
if (rules()->checkPosition(invalidPoint) != invalidPoint) // forced position
return false;
return true;
}
/*!
Returns whether the window is moveable across Xinerama screens
*/
bool Client::isMovableAcrossScreens() const
{
if (!motif_may_move)
return false;
if (isSpecialWindow() && !isSplash() && !isToolbar()) // allow moving of splashscreens :)
return false;
if (rules()->checkPosition(invalidPoint) != invalidPoint) // forced position
return false;
return true;
}
/*!
Returns whether the window is resizable or has a fixed size.
*/
bool Client::isResizable() const
{
if (!motif_may_resize || isFullScreen())
return false;
if (isSpecialWindow() || isSplash() || isToolbar())
return false;
if (rules()->checkSize(QSize()).isValid()) // forced size
return false;
if ((mode == PositionTop || mode == PositionTopLeft || mode == PositionTopRight ||
mode == PositionLeft || mode == PositionBottomLeft) && rules()->checkPosition(invalidPoint) != invalidPoint)
return false;
QSize min = tabGroup() ? tabGroup()->minSize() : minSize();
QSize max = tabGroup() ? tabGroup()->maxSize() : maxSize();
return min.width() < max.width() || min.height() < max.height();
}
/*
Returns whether the window is maximizable or not
*/
bool Client::isMaximizable() const
{
{
// isMovable() and isResizable() may be false for maximized windows
// with moving/resizing maximized windows disabled
TemporaryAssign< MaximizeMode > tmp(max_mode, MaximizeRestore);
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 Client::setGeometry(int x, int y, int w, int h, ForceGeometry_t force)
{
// this code is also duplicated in Client::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 Client::clientSize()
if (shade_geometry_change)
; // nothing
else if (isShade()) {
if (h == border_top + border_bottom) {
kDebug(1212) << "Shaded geometry passed for size:";
kDebug(1212) << kBacktrace();
} else {
client_size = QSize(w - border_left - border_right, h - border_top - border_bottom);
h = border_top + border_bottom;
}
} else {
client_size = QSize(w - border_left - border_right, h - border_top - border_bottom);
}
QRect g(x, y, w, h);
if (block_geometry_updates == 0 && g != rules()->checkGeometry(g)) {
kDebug(1212) << "forced geometry fail:" << g << ":" << rules()->checkGeometry(g);
kDebug(1212) << kBacktrace();
}
if (force == NormalGeometrySet && geom == g && pending_geometry_update == PendingGeometryNone)
return;
geom = g;
if (block_geometry_updates != 0) {
if (pending_geometry_update == PendingGeometryForced)
{} // maximum, nothing needed
else if (force == ForceGeometrySet)
pending_geometry_update = PendingGeometryForced;
else
pending_geometry_update = PendingGeometryNormal;
return;
}
bool resized = (geom_before_block.size() != geom.size() || pending_geometry_update == PendingGeometryForced);
if (resized) {
resizeDecoration(QSize(w, h));
XMoveResizeWindow(display(), frameId(), x, y, w, h);
if (!isShade()) {
QSize cs = clientSize();
XMoveResizeWindow(display(), wrapperId(), clientPos().x(), clientPos().y(),
cs.width(), cs.height());
#ifdef HAVE_XSYNC
if (!isResize() || syncRequest.counter == None)
#endif
XMoveResizeWindow(display(), window(), 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 (moveResizeMode) {
if (compositing()) // Defer the X update until we leave this mode
needsXWindowMove = true;
else
XMoveWindow(display(), frameId(), x, y); // sendSyntheticConfigureNotify() on finish shall be sufficient
} else {
XMoveWindow(display(), frameId(), x, y);
sendSyntheticConfigureNotify();
}
// Unconditionally move the input window: it won't affect rendering
m_decoInputExtent.move(QPoint(x, y) + inputPos());
}
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 either
// - size is changed
// - maximize mode is changed to MaximizeRestore, when size unchanged
// which can happen when untabbing maximized windows
if (resized) {
discardWindowPixmap();
emit geometryShapeChanged(this, geom_before_block);
}
const QRect deco_rect = visibleRect();
addLayerRepaint(deco_rect_before_block);
addLayerRepaint(deco_rect);
geom_before_block = geom;
deco_rect_before_block = deco_rect;
// Update states of all other windows in this group
if (tabGroup())
tabGroup()->updateStates(this, TabGroup::Geometry);
// TODO: this signal is emitted too often
emit geometryChanged();
}
void Client::plainResize(int w, int h, ForceGeometry_t force)
{
// this code is also duplicated in Client::setGeometry(), and it's also commented there
if (shade_geometry_change)
; // nothing
else if (isShade()) {
if (h == border_top + border_bottom) {
kDebug(1212) << "Shaded geometry passed for size:";
kDebug(1212) << kBacktrace();
} else {
client_size = QSize(w - border_left - border_right, h - border_top - border_bottom);
h = border_top + border_bottom;
}
} else {
client_size = QSize(w - border_left - border_right, h - border_top - border_bottom);
}
QSize s(w, h);
if (block_geometry_updates == 0 && s != rules()->checkSize(s)) {
kDebug(1212) << "forced size fail:" << s << ":" << rules()->checkSize(s);
kDebug(1212) << kBacktrace();
}
// resuming geometry updates is handled only in setGeometry()
assert(pending_geometry_update == PendingGeometryNone || block_geometry_updates > 0);
if (force == NormalGeometrySet && geom.size() == s)
return;
geom.setSize(s);
if (block_geometry_updates != 0) {
if (pending_geometry_update == PendingGeometryForced)
{} // maximum, nothing needed
else if (force == ForceGeometrySet)
pending_geometry_update = PendingGeometryForced;
else
pending_geometry_update = PendingGeometryNormal;
return;
}
resizeDecoration(s);
XResizeWindow(display(), frameId(), w, h);
// resizeDecoration( s );
if (!isShade()) {
QSize cs = clientSize();
XMoveResizeWindow(display(), wrapperId(), clientPos().x(), clientPos().y(),
cs.width(), cs.height());
XMoveResizeWindow(display(), window(), 0, 0, cs.width(), cs.height());
}
updateShape();
sendSyntheticConfigureNotify();
updateWindowRules(Rules::Position|Rules::Size);
screens()->setCurrent(this);
workspace()->updateStackingOrder();
discardWindowPixmap();
emit geometryShapeChanged(this, geom_before_block);
const QRect deco_rect = visibleRect();
addLayerRepaint(deco_rect_before_block);
addLayerRepaint(deco_rect);
geom_before_block = geom;
deco_rect_before_block = deco_rect;
// Update states of all other windows in this group
if (tabGroup())
tabGroup()->updateStates(this, TabGroup::Geometry);
// TODO: this signal is emitted too often
emit geometryChanged();
}
/*!
Reimplemented to inform the client about the new window position.
*/
void Client::move(int x, int y, ForceGeometry_t force)
{
// resuming geometry updates is handled only in setGeometry()
assert(pending_geometry_update == PendingGeometryNone || block_geometry_updates > 0);
QPoint p(x, y);
if (block_geometry_updates == 0 && p != rules()->checkPosition(p)) {
kDebug(1212) << "forced position fail:" << p << ":" << rules()->checkPosition(p);
kDebug(1212) << kBacktrace();
}
if (force == NormalGeometrySet && geom.topLeft() == p)
return;
geom.moveTopLeft(p);
if (block_geometry_updates != 0) {
if (pending_geometry_update == PendingGeometryForced)
{} // maximum, nothing needed
else if (force == ForceGeometrySet)
pending_geometry_update = PendingGeometryForced;
else
pending_geometry_update = PendingGeometryNormal;
return;
}
XMoveWindow(display(), frameId(), x, y);
sendSyntheticConfigureNotify();
updateWindowRules(Rules::Position);
screens()->setCurrent(this);
workspace()->updateStackingOrder();
if (Compositor::isCreated()) {
// TODO: move out of geometry.cpp, is this really needed here?
Compositor::self()->checkUnredirect();
}
// client itself is not damaged
const QRect deco_rect = visibleRect();
addLayerRepaint(deco_rect_before_block);
addLayerRepaint(deco_rect); // trigger repaint of window's new location
geom_before_block = geom;
deco_rect_before_block = deco_rect;
// Update states of all other windows in this group
if (tabGroup())
tabGroup()->updateStates(this, TabGroup::Geometry);
emit geometryChanged();
}
void Client::blockGeometryUpdates(bool block)
{
if (block) {
if (block_geometry_updates == 0)
pending_geometry_update = PendingGeometryNone;
++block_geometry_updates;
} else {
if (--block_geometry_updates == 0) {
if (pending_geometry_update != PendingGeometryNone) {
if (isShade())
setGeometry(QRect(pos(), adjustedSize()), NormalGeometrySet);
else
setGeometry(geometry(), NormalGeometrySet);
pending_geometry_update = PendingGeometryNone;
}
}
}
}
void Client::maximize(MaximizeMode m)
{
setMaximize(m & MaximizeVertical, m & MaximizeHorizontal);
}
/*!
Sets the maximization according to \a vertically and \a horizontally
*/
void Client::setMaximize(bool vertically, bool horizontally)
{
// changeMaximize() flips the state, so change from set->flip
MaximizeMode oldMode = maximizeMode();
changeMaximize(
max_mode & MaximizeVertical ? !vertically : vertically,
max_mode & MaximizeHorizontal ? !horizontally : horizontally,
false);
if (oldMode != maximizeMode()) {
emit clientMaximizedStateChanged(this, max_mode);
emit clientMaximizedStateChanged(this, vertically, horizontally);
}
}
// Update states of all other windows in this group
class TabSynchronizer
{
public:
TabSynchronizer(Client *client, TabGroup::States syncStates) :
m_client(client) , m_states(syncStates)
{
if (client->tabGroup())
client->tabGroup()->blockStateUpdates(true);
}
~TabSynchronizer()
{
syncNow();
}
void syncNow()
{
if (m_client && m_client->tabGroup()) {
m_client->tabGroup()->blockStateUpdates(false);
m_client->tabGroup()->updateStates(m_client, m_states);
}
m_client = 0;
}
private:
Client *m_client;
TabGroup::States m_states;
};
static bool changeMaximizeRecursion = false;
void Client::changeMaximize(bool vertical, bool horizontal, bool adjust)
{
if (changeMaximizeRecursion)
return;
// sic! codeblock for TemporaryAssign
{
// isMovable() and isResizable() may be false for maximized windows
// with moving/resizing maximized windows disabled
TemporaryAssign< MaximizeMode > tmp(max_mode, MaximizeRestore);
if (!isResizable() || isToolbar()) // SELI isToolbar() ?
return;
}
QRect clientArea;
if (isElectricBorderMaximizing())
clientArea = workspace()->clientArea(MaximizeArea, cursorPos(), 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 ((xSizeHint.flags & PAspect) && // fixed aspect
(max_mode == MaximizeVertical || max_mode == MaximizeHorizontal) && // ondimensional maximization
rules()->checkStrictGeometry(true)) { // obey aspect
if (max_mode == MaximizeVertical || (old_mode & MaximizeVertical)) {
const double fx = xSizeHint.min_aspect.x; // use doubles, because the values can be MAX_INT
const double fy = xSizeHint.max_aspect.y; // 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 = xSizeHint.max_aspect.x;
const double fy = xSizeHint.min_aspect.y;
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);
// QT synchronizing required because we eventually change from QT to Maximized
TabSynchronizer syncer(this, TabGroup::Maximized|TabGroup::QuickTile);
// 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 (quick_tile_mode == QuickTileNone) {
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());
}
}
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(app_noborder || max_mode == MaximizeFull);
changeMaximizeRecursion = false;
}
const ForceGeometry_t geom_mode = decoration && checkBorderSizes(false) ? ForceGeometrySet : NormalGeometrySet;
// Conditional quick tiling exit points
if (quick_tile_mode != QuickTileNone) {
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 = QuickTileNone; // 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
quick_tile_mode = QuickTileNone; // 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 {
setGeometry(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));
setGeometry(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 {
setGeometry(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));
setGeometry(r, geom_mode);
}
info->setState(NET::MaxHoriz, NET::Max);
break;
}
case MaximizeRestore: {
QRect restore = geometry();
// 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 = geometry();
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 (xSizeHint.flags & PAspect) {
restore.setSize(adjustedSize(restore.size(), SizemodeAny));
}
setGeometry(restore, geom_mode);
if (!clientArea.contains(geom_restore.center())) // Not restoring to the same screen
Placement::self()->place(this, clientArea);
info->setState(0, NET::Max);
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(Cursor::pos().x() - r.width()/2);
else
r.moveCenter(clientArea.center());
r.moveTopLeft(rules()->checkPosition(r.topLeft()));
}
setGeometry(r, geom_mode);
if (options->electricBorderMaximize() && r.top() == clientArea.top())
quick_tile_mode = QuickTileMaximize;
else
quick_tile_mode = QuickTileNone;
info->setState(NET::Max, NET::Max);
break;
}
default:
break;
}
syncer.syncNow(); // important because of window rule updates!
updateAllowedActions();
updateWindowRules(Rules::MaximizeVert|Rules::MaximizeHoriz|Rules::Position|Rules::Size);
}
bool Client::isFullScreenable(bool fullscreen_hack) const
{
if (!rules()->checkFullScreen(true))
return false;
if (fullscreen_hack)
return isNormalWindow();
if (rules()->checkStrictGeometry(false)) {
// the app wouldn't fit exactly fullscreen geometry due to its strict geometry requirements
QRect fsarea = workspace()->clientArea(FullScreenArea, this);
if (sizeForClientSize(fsarea.size(), SizemodeAny, true) != fsarea.size())
return false;
}
// don't check size constrains - some apps request fullscreen despite requesting fixed size
return !isSpecialWindow(); // also better disallow only weird types to go fullscreen
}
bool Client::userCanSetFullScreen() const
{
if (fullscreen_mode == FullScreenHack)
return false;
if (!isFullScreenable(false))
return false;
// isMaximizable() returns false if fullscreen
TemporaryAssign< FullScreenMode > tmp(fullscreen_mode, FullScreenNone);
return isNormalWindow() && isMaximizable();
}
void Client::setFullScreen(bool set, bool user)
{
if (!isFullScreen() && !set)
return;
if (fullscreen_mode == FullScreenHack)
return;
if (user && !userCanSetFullScreen())
return;
set = rules()->checkFullScreen(set);
setShade(ShadeNone);
bool was_fs = isFullScreen();
if (was_fs)
workspace()->updateFocusMousePosition(Cursor::pos());
else
geom_fs_restore = geometry();
fullscreen_mode = set ? FullScreenNormal : FullScreenNone;
if (was_fs == isFullScreen())
return;
if (set)
workspace()->raiseClient(this);
StackingUpdatesBlocker blocker1(workspace());
GeometryUpdatesBlocker blocker2(this);
workspace()->updateClientLayer(this); // active fullscreens get different layer
info->setState(isFullScreen() ? NET::FullScreen : 0, NET::FullScreen);
updateDecoration(false, false);
if (isFullScreen()) {
if (info->fullscreenMonitors().isSet())
setGeometry(fullscreenMonitorsArea(info->fullscreenMonitors()));
else
setGeometry(workspace()->clientArea(FullScreenArea, this));
}
else {
if (!geom_fs_restore.isNull()) {
int currentScreen = screen();
setGeometry(QRect(geom_fs_restore.topLeft(), adjustedSize(geom_fs_restore.size())));
if( currentScreen != screen())
workspace()->sendClientToScreen( this, currentScreen );
// TODO isShaded() ?
} else {
// does this ever happen?
setGeometry(workspace()->clientArea(MaximizeArea, this));
}
}
updateWindowRules(Rules::Fullscreen|Rules::Position|Rules::Size);
if (was_fs != isFullScreen()) {
emit clientFullScreenSet(this, set, user);
emit fullScreenChanged();
}
}
void Client::updateFullscreenMonitors(NETFullscreenMonitors topology)
{
int nscreens = screens()->count();
// kDebug( 1212 ) << "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) {
kWarning(1212) << "fullscreenMonitors update failed. request higher than number of screens.";
return;
}
info->setFullscreenMonitors(topology);
if (isFullScreen())
setGeometry(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 Client::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)));
// kDebug( 1212 ) << "top: " << top << " bottom: " << bottom
// << " left: " << left << " right: " << right;
// kDebug( 1212 ) << "returning rect: " << total;
return total;
}
int Client::checkFullScreenHack(const QRect& geom) const
{
if (!options->isLegacyFullscreenSupport())
return 0;
// if it's noborder window, and has size of one screen or the whole desktop geometry, it's fullscreen hack
if (noBorder() && app_noborder && isFullScreenable(true)) {
if (geom.size() == workspace()->clientArea(FullArea, geom.center(), desktop()).size())
return 2; // full area fullscreen hack
if (geom.size() == workspace()->clientArea(ScreenArea, geom.center(), desktop()).size())
return 1; // xinerama-aware fullscreen hack
}
return 0;
}
void Client::updateFullScreenHack(const QRect& geom)
{
int type = checkFullScreenHack(geom);
if (fullscreen_mode == FullScreenNone && type != 0) {
fullscreen_mode = FullScreenHack;
updateDecoration(false, false);
QRect geom;
if (rules()->checkStrictGeometry(false)) {
geom = type == 2 // 1 - it's xinerama-aware fullscreen hack, 2 - it's full area
? workspace()->clientArea(FullArea, geom.center(), desktop())
: workspace()->clientArea(ScreenArea, geom.center(), desktop());
} else
geom = workspace()->clientArea(FullScreenArea, geom.center(), desktop());
setGeometry(geom);
emit fullScreenChanged();
} else if (fullscreen_mode == FullScreenHack && type == 0) {
fullscreen_mode = FullScreenNone;
updateDecoration(false, false);
// whoever called this must setup correct geometry
emit fullScreenChanged();
}
StackingUpdatesBlocker blocker(workspace());
workspace()->updateClientLayer(this); // active fullscreens get different layer
}
static GeometryTip* geometryTip = 0;
void Client::positionGeometryTip()
{
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(&xSizeHint);
}
QRect wgeom(moveResizeGeom); // 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 Client::startMoveResize()
{
assert(!moveResizeMode);
assert(QWidget::keyboardGrabber() == NULL);
assert(QWidget::mouseGrabber() == NULL);
stopDelayedMoveResize();
if (QApplication::activePopupWidget() != NULL)
return false; // popups have grab
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*
// (http://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, NULL, rootWindow());
m_moveResizeGrabWindow.map();
m_moveResizeGrabWindow.raise();
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(m_cursor), xTime());
ScopedCPointer<xcb_grab_pointer_reply_t> pointerGrab(xcb_grab_pointer_reply(connection(), cookie, NULL));
if (!pointerGrab.isNull() && pointerGrab->status == XCB_GRAB_STATUS_SUCCESS) {
has_grab = true;
}
if (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;
}
moveResizeMode = true;
workspace()->setClientIsMoving(this);
if (mode != PositionCenter) { // means "isResize()" but moveResizeMode = true is set below
if (maximizeMode() == MaximizeFull) { // partial is cond. reset in finishMoveResize
geom_restore = geometry(); // "restore" to current geometry
setMaximize(false, false);
}
}
if (quick_tile_mode != QuickTileNone && mode != PositionCenter) { // Cannot use isResize() yet
// Exit quick tile mode when the user attempts to resize a tiled window
quick_tile_mode = QuickTileNone; // Do so without restoring original geometry
}
s_haveResizeEffect = effects && static_cast<EffectsHandlerImpl*>(effects)->provides(Effect::Resize);
moveResizeStartScreen = screen();
initialMoveResizeGeom = moveResizeGeom = geometry();
checkUnrestrictedMoveResize();
emit clientStartUserMovedResized(this);
#ifdef KWIN_BUILD_SCREENEDGES
if (ScreenEdges::self()->isDesktopSwitchingMovingClients())
ScreenEdges::self()->reserveDesktopSwitching(true, Qt::Vertical|Qt::Horizontal);
#endif
return true;
}
void Client::finishMoveResize(bool cancel)
{
const bool wasResize = isResize(); // store across leaveMoveResize
leaveMoveResize();
if (cancel)
setGeometry(initialMoveResizeGeom);
else {
if (wasResize) {
const bool restoreH = maximizeMode() == MaximizeHorizontal &&
moveResizeGeom.width() != initialMoveResizeGeom.width();
const bool restoreV = maximizeMode() == MaximizeVertical &&
moveResizeGeom.height() != initialMoveResizeGeom.height();
if (restoreH || restoreV) {
changeMaximize(restoreV, restoreH, false);
}
}
setGeometry(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(electricMode);
electricMaximizing = false;
outline()->hide();
elevate(false);
} else if (!cancel) {
if (!(maximizeMode() & MaximizeHorizontal)) {
geom_restore.setX(geometry().x());
geom_restore.setWidth(geometry().width());
}
if (!(maximizeMode() & MaximizeVertical)) {
geom_restore.setY(geometry().y());
geom_restore.setHeight(geometry().height());
}
}
// FRAME update();
emit clientFinishUserMovedResized(this);
}
void Client::leaveMoveResize()
{
if (needsXWindowMove) {
// Do the deferred move
XMoveWindow(display(), frameId(), geom.x(), geom.y());
needsXWindowMove = false;
}
if (!isResize())
sendSyntheticConfigureNotify(); // tell the client about it's new final position
if (geometryTip) {
geometryTip->hide();
delete geometryTip;
geometryTip = NULL;
}
if (move_resize_has_keyboard_grab)
ungrabXKeyboard();
move_resize_has_keyboard_grab = false;
XUngrabPointer(display(), xTime());
m_moveResizeGrabWindow.reset();
workspace()->setClientIsMoving(0);
moveResizeMode = false;
#ifdef HAVE_XSYNC
if (syncRequest.counter == None) // don't forget to sanitize since the timeout will no more fire
syncRequest.isPending = false;
delete syncRequest.timeout;
syncRequest.timeout = NULL;
#endif
#ifdef KWIN_BUILD_SCREENEDGES
if (ScreenEdges::self()->isDesktopSwitchingMovingClients())
ScreenEdges::self()->reserveDesktopSwitching(false, Qt::Vertical|Qt::Horizontal);
#endif
}
// 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 Client::checkUnrestrictedMoveResize()
{
if (unrestrictedMoveResize)
return;
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 + border_right, moveResizeGeom.width());
right_marge = qMin(100 + border_left, moveResizeGeom.width());
// width/height change with opaque resizing, use the initial ones
titlebar_marge = initialMoveResizeGeom.height();
top_marge = border_bottom;
bottom_marge = border_top;
if (isResize()) {
if (moveResizeGeom.bottom() < desktopArea.top() + top_marge)
unrestrictedMoveResize = true;
if (moveResizeGeom.top() > desktopArea.bottom() - bottom_marge)
unrestrictedMoveResize = true;
if (moveResizeGeom.right() < desktopArea.left() + left_marge)
unrestrictedMoveResize = true;
if (moveResizeGeom.left() > desktopArea.right() - right_marge)
unrestrictedMoveResize = true;
if (!unrestrictedMoveResize && moveResizeGeom.top() < desktopArea.top()) // titlebar mustn't go out
unrestrictedMoveResize = true;
}
if (isMove()) {
if (moveResizeGeom.bottom() < desktopArea.top() + titlebar_marge - 1)
unrestrictedMoveResize = 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
unrestrictedMoveResize = true;
if (moveResizeGeom.right() < desktopArea.left() + left_marge)
unrestrictedMoveResize = true;
if (moveResizeGeom.left() > desktopArea.right() - right_marge)
unrestrictedMoveResize = 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 Client::startDelayedMoveResize()
{
delete delayedMoveResizeTimer;
delayedMoveResizeTimer = new QTimer(this);
connect(delayedMoveResizeTimer, SIGNAL(timeout()), this, SLOT(delayedMoveResize()));
delayedMoveResizeTimer->setSingleShot(true);
delayedMoveResizeTimer->start(QApplication::startDragTime());
}
void Client::stopDelayedMoveResize()
{
delete delayedMoveResizeTimer;
delayedMoveResizeTimer = NULL;
}
void Client::delayedMoveResize()
{
assert(buttonDown);
if (!startMoveResize())
buttonDown = false;
updateCursor();
stopDelayedMoveResize();
}
void Client::handleMoveResize(int x, int y, int x_root, int y_root)
{
#ifdef HAVE_XSYNC
if (syncRequest.isPending && isResize())
return; // we're still waiting for the client or the timeout
#endif
if ((mode == PositionCenter && !isMovableAcrossScreens())
|| (mode != PositionCenter && (isShade() || !isResizable())))
return;
if (!moveResizeMode) {
QPoint p(QPoint(x - padding_left, y - padding_top) - moveOffset);
if (p.manhattanLength() >= KGlobalSettings::dndEventDelay()) {
if (!startMoveResize()) {
buttonDown = false;
updateCursor();
return;
}
updateCursor();
} else
return;
}
// ShadeHover or ShadeActive, ShadeNormal was already avoided above
if (mode != PositionCenter && shade_mode != 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 = moveResizeGeom;
// TODO move whole group when moving its leader or when the leader is not mapped?
// 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.
int frameLeft, frameRight, frameTop, frameBottom;
if (decoration)
decoration->borders(frameLeft, frameRight, frameTop, frameBottom);
else
frameTop = 10;
int titlebarArea = qMin(frameTop * 100, moveResizeGeom.width() * moveResizeGeom.height());
bool update = false;
if (isResize()) {
// first resize (without checking constrains), then snap, then check bounds, then check constrains
QRect orig = initialMoveResizeGeom;
Sizemode sizemode = SizemodeAny;
switch(mode) {
case PositionTopLeft:
moveResizeGeom = QRect(topleft, orig.bottomRight()) ;
break;
case PositionBottomRight:
moveResizeGeom = QRect(orig.topLeft(), bottomright) ;
break;
case PositionBottomLeft:
moveResizeGeom = QRect(QPoint(topleft.x(), orig.y()), QPoint(orig.right(), bottomright.y())) ;
break;
case PositionTopRight:
moveResizeGeom = QRect(QPoint(orig.x(), topleft.y()), QPoint(bottomright.x(), orig.bottom())) ;
break;
case PositionTop:
moveResizeGeom = QRect(QPoint(orig.left(), topleft.y()), orig.bottomRight()) ;
sizemode = SizemodeFixedH; // try not to affect height
break;
case PositionBottom:
moveResizeGeom = QRect(orig.topLeft(), QPoint(orig.right(), bottomright.y())) ;
sizemode = SizemodeFixedH;
break;
case PositionLeft:
moveResizeGeom = QRect(QPoint(topleft.x(), orig.top()), orig.bottomRight()) ;
sizemode = SizemodeFixedW;
break;
case PositionRight:
moveResizeGeom = QRect(orig.topLeft(), QPoint(bottomright.x(), orig.bottom())) ;
sizemode = SizemodeFixedW;
break;
case PositionCenter:
default:
abort();
break;
}
// adjust new size to snap to other windows/borders
moveResizeGeom = workspace()->adjustClientSize(this, moveResizeGeom, mode);
if (!unrestrictedMoveResize) {
// 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.
for (;;) {
QRegion titlebarRegion(moveResizeGeom.left(), moveResizeGeom.top(),
moveResizeGeom.width(), frameTop);
titlebarRegion &= workspace()->clientArea(FullArea, -1, 0); // On the screen
titlebarRegion -= workspace()->restrictedMoveArea(desktop()); // Strut areas
// Now we have a region of all the visible areas of the titlebar
// Count the visible pixels and check to see if it's enough
int visiblePixels = 0;
foreach (const QRect & rect, titlebarRegion.rects())
if (rect.height() >= frameTop) // Only the full height regions, prevents long slim areas
visiblePixels += rect.width() * rect.height();
if (visiblePixels >= titlebarArea)
break; // We have reached a valid position
// Not visible enough, move the window to the closest valid point. We bruteforce
// this by slowly moving the window back to its previous position.
if (previousMoveResizeGeom.y() != moveResizeGeom.y()) {
if (previousMoveResizeGeom.y() > moveResizeGeom.y())
moveResizeGeom.setTop(moveResizeGeom.y() + 1);
else
moveResizeGeom.setTop(moveResizeGeom.y() - 1);
} else { // Our heights match but we still don't have a valid area, maybe
// we are trying to resize in from the side?
bool breakLoop = false;
switch(mode) {
case PositionBottomLeft:
case PositionTopLeft:
case PositionLeft:
if (previousMoveResizeGeom.x() >= moveResizeGeom.x()) {
breakLoop = true;
break;
}
moveResizeGeom.setLeft(moveResizeGeom.x() - 1);
break;
case PositionBottomRight:
case PositionTopRight:
case PositionRight:
if (previousMoveResizeGeom.right() <= moveResizeGeom.right()) {
breakLoop = true;
break;
}
moveResizeGeom.setRight(moveResizeGeom.x() + moveResizeGeom.width());
break;
default:
breakLoop = true;
}
if (breakLoop)
break;
}
}
}
// Always obey size hints, even when in "unrestricted" mode
QSize size = adjustedSize(moveResizeGeom.size(), sizemode);
// the new topleft and bottomright corners (after checking size constrains), if they'll be needed
topleft = QPoint(moveResizeGeom.right() - size.width() + 1, moveResizeGeom.bottom() - size.height() + 1);
bottomright = QPoint(moveResizeGeom.left() + size.width() - 1, moveResizeGeom.top() + size.height() - 1);
orig = moveResizeGeom;
switch(mode) {
// these 4 corners ones are copied from above
case PositionTopLeft:
moveResizeGeom = QRect(topleft, orig.bottomRight()) ;
break;
case PositionBottomRight:
moveResizeGeom = QRect(orig.topLeft(), bottomright) ;
break;
case PositionBottomLeft:
moveResizeGeom = QRect(QPoint(topleft.x(), orig.y()), QPoint(orig.right(), bottomright.y())) ;
break;
case PositionTopRight:
moveResizeGeom = QRect(QPoint(orig.x(), topleft.y()), QPoint(bottomright.x(), orig.bottom())) ;
break;
// The side ones can't be copied exactly - 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 ?
case PositionTop:
moveResizeGeom = QRect(QPoint(orig.left(), topleft.y()), QPoint(bottomright.x(), orig.bottom())) ;
break;
case PositionBottom:
moveResizeGeom = QRect(orig.topLeft(), QPoint(bottomright.x(), bottomright.y())) ;
break;
case PositionLeft:
moveResizeGeom = QRect(QPoint(topleft.x(), orig.top()), QPoint(orig.right(), bottomright.y()));
break;
case PositionRight:
moveResizeGeom = QRect(orig.topLeft(), QPoint(bottomright.x(), bottomright.y())) ;
break;
case PositionCenter:
default:
abort();
break;
}
if (moveResizeGeom.size() != previousMoveResizeGeom.size())
update = true;
} else if (isMove()) {
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())
moveResizeGeom = workspace()->clientArea(FullScreenArea, screen, 0);
else {
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());
}
}
} else {
// first move, then snap, then check bounds
moveResizeGeom.moveTopLeft(topleft);
moveResizeGeom.moveTopLeft(workspace()->adjustClientPosition(this, moveResizeGeom.topLeft(),
unrestrictedMoveResize));
if (!unrestrictedMoveResize) {
// Make sure the titlebar isn't behind a restricted area.
const QRegion fullArea = workspace()->clientArea(FullArea, this); // On the screen
const QRegion strut = workspace()->restrictedMoveArea(desktop()); // Strut areas
for (;;) {
QRegion titlebarRegion(moveResizeGeom.left(), moveResizeGeom.top(),
moveResizeGeom.width(), frameTop);
titlebarRegion &= fullArea;
titlebarRegion -= strut; // Strut areas
// Now we have a region of all the visible areas of the titlebar
// Count the visible pixels and check to see if it's enough
int visiblePixels = 0;
foreach (const QRect & rect, titlebarRegion.rects())
if (rect.height() >= frameTop) // Only the full height regions, prevents long slim areas
visiblePixels += rect.width() * rect.height();
if (visiblePixels >= titlebarArea)
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;
foreach (const QRect &r, strut.rects()) {
if (r.top() == 0 && r.width() > r.height() && // "top panel"
r.intersects(moveResizeGeom) && moveResizeGeom.top() < r.bottom()) {
newTitleTop = r.bottom();
break;
}
}
if (newTitleTop > -1) {
moveResizeGeom.moveTop(newTitleTop); // invalid position, possibly on screen change
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);
if (moveResizeGeom == previousMoveResizeGeom) {
break; // Prevent lockup
}
}
}
}
if (moveResizeGeom.topLeft() != previousMoveResizeGeom.topLeft())
update = true;
} else
abort();
if (!update)
return;
#ifdef HAVE_XSYNC
if (isResize() && !s_haveResizeEffect) {
if (!syncRequest.timeout) {
syncRequest.timeout = new QTimer(this);
connect(syncRequest.timeout, SIGNAL(timeout()), SLOT(performMoveResize()));
syncRequest.timeout->setSingleShot(true);
}
if (syncRequest.counter != 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
XMoveResizeWindow(display(), window(), 0, 0, moveResizeGeom.width() - (border_left + border_right), moveResizeGeom.height() - (border_top + border_bottom));
} else
#endif
performMoveResize();
#ifdef KWIN_BUILD_SCREENEDGES
if (isMove()) {
ScreenEdges::self()->check(globalPos, QDateTime::fromMSecsSinceEpoch(xTime()));
}
#endif
}
void Client::performMoveResize()
{
if (isMove() || (isResize() && !s_haveResizeEffect)) {
setGeometry(moveResizeGeom);
}
#ifdef HAVE_XSYNC
if (syncRequest.counter == 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)
if (isResize())
addRepaintFull();
#endif
positionGeometryTip();
emit clientStepUserMovedResized(this, moveResizeGeom);
}
void Client::setElectricBorderMode(QuickTileMode mode)
{
if (mode != QuickTileMaximize) {
// sanitize the mode, ie. simplify "invalid" combinations
if ((mode & QuickTileHorizontal) == QuickTileHorizontal)
mode &= ~QuickTileHorizontal;
if ((mode & QuickTileVertical) == QuickTileVertical)
mode &= ~QuickTileVertical;
}
electricMode = mode;
}
Client::QuickTileMode Client::electricBorderMode() const
{
return electricMode;
}
bool Client::isElectricBorderMaximizing() const
{
return electricMaximizing;
}
void Client::setElectricBorderMaximizing(bool maximizing)
{
electricMaximizing = maximizing;
if (maximizing)
outline()->show(electricBorderMaximizeGeometry(cursorPos(), desktop()));
else
outline()->hide();
elevate(maximizing);
}
QRect Client::electricBorderMaximizeGeometry(QPoint pos, int desktop)
{
if (electricMode == QuickTileMaximize) {
if (maximizeMode() == MaximizeFull)
return geometryRestore();
else
return workspace()->clientArea(MaximizeArea, pos, desktop);
}
QRect ret = workspace()->clientArea(MaximizeArea, pos, desktop);
if (electricMode & QuickTileLeft)
ret.setRight(ret.left()+ret.width()/2 - 1);
else if (electricMode & QuickTileRight)
ret.setLeft(ret.right()-(ret.width()-ret.width()/2) + 1);
if (electricMode & QuickTileTop)
ret.setBottom(ret.top()+ret.height()/2 - 1);
else if (electricMode & QuickTileBottom)
ret.setTop(ret.bottom()-(ret.height()-ret.height()/2) + 1);
return ret;
}
void Client::setQuickTileMode(QuickTileMode mode, bool keyboard)
{
// Only allow quick tile on a regular or maximized window
if (!isResizable() && maximizeMode() != MaximizeFull)
return;
if (mode == QuickTileMaximize)
{
TabSynchronizer syncer(this, TabGroup::QuickTile|TabGroup::Geometry|TabGroup::Maximized);
quick_tile_mode = QuickTileNone;
if (maximizeMode() == MaximizeFull)
setMaximize(false, false);
else
{
setMaximize(true, true);
QRect clientArea = workspace()->clientArea(MaximizeArea, this);
if (geometry().top() != clientArea.top()) {
QRect r(geometry());
r.moveTop(clientArea.top());
setGeometry(r);
}
quick_tile_mode = QuickTileMaximize;
}
return;
}
// sanitize the mode, ie. simplify "invalid" combinations
if ((mode & QuickTileHorizontal) == QuickTileHorizontal)
mode &= ~QuickTileHorizontal;
if ((mode & QuickTileVertical) == QuickTileVertical)
mode &= ~QuickTileVertical;
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() == MaximizeFull) {
TabSynchronizer syncer(this, TabGroup::QuickTile|TabGroup::Geometry|TabGroup::Maximized);
setMaximize(false, false);
if (mode != QuickTileNone) {
quick_tile_mode = mode;
// decorations may turn off some borders when tiled
const ForceGeometry_t geom_mode = decoration && checkBorderSizes(false) ? ForceGeometrySet : NormalGeometrySet;
quick_tile_mode = QuickTileNone; // Temporary, so the maximize code doesn't get all confused
setGeometry(electricBorderMaximizeGeometry(keyboard ? geometry().center() : cursorPos(), desktop()), geom_mode);
}
// Store the mode change
quick_tile_mode = mode;
return;
}
// First, check if the requested tile negates the tile we're in now: move right when left or left when right
// is the same as explicitly untiling this window, so allow it.
if (mode == QuickTileNone || ((quick_tile_mode & QuickTileHorizontal) && (mode & QuickTileHorizontal))) {
TabSynchronizer syncer(this, TabGroup::QuickTile|TabGroup::Geometry);
quick_tile_mode = QuickTileNone;
// Untiling, so just restore geometry, and we're done.
if (!geom_restore.isValid()) // invalid if we started maximized and wait for placement
geom_restore = geometry();
// decorations may turn off some borders when tiled
const ForceGeometry_t geom_mode = decoration && checkBorderSizes(false) ? ForceGeometrySet : NormalGeometrySet;
setGeometry(geom_restore, geom_mode);
checkWorkspacePosition(); // Just in case it's a different screen
return;
} else {
TabSynchronizer syncer(this, TabGroup::QuickTile|TabGroup::Geometry);
QPoint whichScreen = keyboard ? geometry().center() : cursorPos();
// 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 ignore the request to prevent corrupting geom_restore.
if (quick_tile_mode == 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 (((mode == QuickTileLeft &&
screens[i].center().x() < screens[nextScreen].center().x()) ||
(mode == QuickTileRight &&
screens[i].center().x() > screens[nextScreen].center().x())) &&
// Must be in horizontal line
(screens[i].bottom() > screens[nextScreen].top() ||
screens[i].top() < screens[nextScreen].bottom()))
nextScreen = i;
}
if (nextScreen == curScreen)
return; // No other screens
// Move to other screen
geom_restore.translate(
screens[nextScreen].x() - screens[curScreen].x(),
screens[nextScreen].y() - screens[curScreen].y());
whichScreen = screens[nextScreen].center();
// Swap sides
if (mode == QuickTileLeft)
mode = QuickTileRight;
else
mode = QuickTileLeft;
} else {
// 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.
geom_restore = geometry();
}
if (mode != QuickTileNone) {
quick_tile_mode = mode;
// decorations may turn off some borders when tiled
const ForceGeometry_t geom_mode = decoration && checkBorderSizes(false) ? ForceGeometrySet : NormalGeometrySet;
// Temporary, so the maximize code doesn't get all confused
quick_tile_mode = QuickTileNone;
setGeometry(electricBorderMaximizeGeometry(whichScreen, desktop()), geom_mode);
}
// Store the mode change
quick_tile_mode = mode;
}
}
} // namespace
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