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kwin/geometry.cpp
Michel Hermier 0fdc6c4469 #625468 ported to KDE4 
svn path=/trunk/KDE/kdebase/workspace/; revision=625469
2007-01-20 09:56:57 +00:00

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/*****************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 1999, 2000 Matthias Ettrich <ettrich@kde.org>
Copyright (C) 2003 Lubos Lunak <l.lunak@kde.org>
You can Freely distribute this program under the GNU General Public
License. See the file "COPYING" for the exact licensing terms.
******************************************************************/
/*
This file contains things relevant to geometry, i.e. workspace size,
window positions and window sizes.
*/
#include "client.h"
#include "workspace.h"
#include <kapplication.h>
#include <kglobal.h>
#include <QPainter>
#include <kwin.h>
#include "placement.h"
#include "notifications.h"
#include "geometrytip.h"
#include "rules.h"
#include <QX11Info>
#include <QDesktopWidget>
namespace KWinInternal
{
//********************************************
// Workspace
//********************************************
/*!
Resizes the workspace after an XRANDR screen size change
*/
void Workspace::desktopResized()
{
updateClientArea();
checkElectricBorders( true );
}
/*!
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 )
{
QDesktopWidget *desktopwidget = KApplication::desktop();
int nscreens = desktopwidget -> numScreens ();
// kDebug () << "screens: " << nscreens << endl;
QRect* new_wareas = new QRect[ numberOfDesktops() + 1 ];
QRect** new_sareas = new QRect*[ numberOfDesktops() + 1];
QRect* screens = new QRect [ nscreens ];
QRect desktopArea = desktopwidget -> geometry ();
for( int iS = 0;
iS < nscreens;
iS ++ )
{
screens [iS] = desktopwidget -> screenGeometry (iS);
}
for( int i = 1;
i <= numberOfDesktops();
++i )
{
new_wareas[ i ] = desktopArea;
new_sareas[ i ] = new QRect [ nscreens ];
for( int iS = 0;
iS < nscreens;
iS ++ )
new_sareas[ i ][ iS ] = screens[ iS ];
}
for ( ClientList::ConstIterator it = clients.begin(); it != clients.end(); ++it)
{
if( !(*it)->hasStrut())
continue;
QRect r = (*it)->adjustedClientArea( desktopArea, desktopArea );
if( (*it)->isOnAllDesktops())
for( int i = 1;
i <= numberOfDesktops();
++i )
{
new_wareas[ i ] = new_wareas[ i ].intersect( r );
for( int iS = 0;
iS < nscreens;
iS ++ )
new_sareas[ i ][ iS ] =
new_sareas[ i ][ iS ].intersect(
(*it)->adjustedClientArea( desktopArea, screens[ iS ] )
);
}
else
{
new_wareas[ (*it)->desktop() ] = new_wareas[ (*it)->desktop() ].intersect( r );
for( int iS = 0;
iS < nscreens;
iS ++ )
{
// kDebug () << "adjusting new_sarea: " << screens[ iS ] << endl;
new_sareas[ (*it)->desktop() ][ iS ] =
new_sareas[ (*it)->desktop() ][ iS ].intersect(
(*it)->adjustedClientArea( desktopArea, screens[ iS ] )
);
}
}
}
#if 0
for( int i = 1;
i <= numberOfDesktops();
++i )
{
for( int iS = 0;
iS < nscreens;
iS ++ )
kDebug () << "new_sarea: " << new_sareas[ i ][ iS ] << endl;
}
#endif
// TODO topmenu update for screenarea changes?
if( topmenu_space != NULL )
{
QRect topmenu_area = desktopArea;
topmenu_area.setTop( topMenuHeight());
for( int i = 1;
i <= numberOfDesktops();
++i )
new_wareas[ i ] = new_wareas[ i ].intersect( topmenu_area );
}
bool changed = force;
if (! screenarea)
changed = true;
for( int i = 1;
!changed && i <= numberOfDesktops();
++i )
{
if( workarea[ i ] != new_wareas[ i ] )
changed = true;
for( int iS = 0;
iS < nscreens;
iS ++ )
if (new_sareas[ i ][ iS ] != screenarea [ i ][ iS ])
changed = true;
}
if ( changed )
{
delete[] workarea;
workarea = new_wareas;
new_wareas = NULL;
delete[] screenarea;
screenarea = new_sareas;
new_sareas = NULL;
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 );
}
updateTopMenuGeometry();
for( ClientList::ConstIterator it = clients.begin();
it != clients.end();
++it)
(*it)->checkWorkspacePosition();
for( ClientList::ConstIterator it = desktops.begin();
it != desktops.end();
++it)
(*it)->checkWorkspacePosition();
}
delete[] screens;
delete[] new_sareas;
delete[] new_wareas;
}
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, const QPoint& p, int desktop ) const
{
if( desktop == NETWinInfo::OnAllDesktops || desktop == 0 )
desktop = currentDesktop();
QDesktopWidget *desktopwidget = KApplication::desktop();
int screen = desktopwidget->isVirtualDesktop() ? desktopwidget->screenNumber( p ) : desktopwidget->primaryScreen();
if( screen < 0 )
screen = desktopwidget->primaryScreen();
QRect sarea = screenarea // may be NULL during KWin initialization
? screenarea[ desktop ][ screen ]
: desktopwidget->screenGeometry( screen );
QRect warea = workarea[ desktop ].isNull()
? QApplication::desktop()->geometry()
: workarea[ desktop ];
switch (opt)
{
case MaximizeArea:
if (options->xineramaMaximizeEnabled)
return sarea;
else
return warea;
case MaximizeFullArea:
if (options->xineramaMaximizeEnabled)
return desktopwidget->screenGeometry( screen );
else
return desktopwidget->geometry();
case FullScreenArea:
if (options->xineramaFullscreenEnabled)
return desktopwidget->screenGeometry( screen );
else
return desktopwidget->geometry();
case PlacementArea:
if (options->xineramaPlacementEnabled)
return sarea;
else
return warea;
case MovementArea:
if (options->xineramaMovementEnabled)
return desktopwidget->screenGeometry( screen );
else
return desktopwidget->geometry();
case WorkArea:
return warea;
case FullArea:
return desktopwidget->geometry();
case ScreenArea:
return desktopwidget->screenGeometry( screen );
}
assert( false );
return QRect();
}
QRect Workspace::clientArea( clientAreaOption opt, const Client* c ) const
{
return clientArea( opt, c->geometry().center(), c->desktop());
}
/*!
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.
*/
QPoint Workspace::adjustClientPosition( Client* c, QPoint pos )
{
//CT 16mar98, 27May98 - magics: BorderSnapZone, WindowSnapZone
//CT adapted for kwin on 25Nov1999
//aleXXX 02Nov2000 added second snapping mode
if (options->windowSnapZone || options->borderSnapZone )
{
const bool sOWO=options->snapOnlyWhenOverlapping;
const QRect 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
int snap = options->borderSnapZone; //snap trigger
if (snap)
{
if ((sOWO?(cx<xmin):true) && (QABS(xmin-cx)<snap))
{
deltaX = xmin-cx;
nx = xmin;
}
if ((sOWO?(rx>xmax):true) && (QABS(rx-xmax)<snap) && (QABS(xmax-rx) < deltaX))
{
deltaX = rx-xmax;
nx = xmax - cw;
}
if ((sOWO?(cy<ymin):true) && (QABS(ymin-cy)<snap))
{
deltaY = ymin-cy;
ny = ymin;
}
if ((sOWO?(ry>ymax):true) && (QABS(ry-ymax)<snap) && (QABS(ymax-ry) < deltaY))
{
deltaY =ry-ymax;
ny = ymax - ch;
}
}
// windows snap
snap = options->windowSnapZone;
if (snap)
{
QList<Client *>::ConstIterator l;
for (l = clients.begin();l != clients.end();++l )
{
if ((*l)->isOnDesktop(currentDesktop()) &&
!(*l)->isMinimized()
&& (*l) != c )
{
lx = (*l)->x();
ly = (*l)->y();
lrx = lx + (*l)->width();
lry = ly + (*l)->height();
if ( (( 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 ( (( 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;
}
}
}
}
}
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 )
{
const bool sOWO=options->snapOnlyWhenOverlapping;
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:
assert( false );
break;
}
}
// windows snap
snap = options->windowSnapZone;
if (snap)
{
deltaX = int(snap);
deltaY = int(snap);
QList<Client *>::ConstIterator l;
for (l = clients.begin();l != clients.end();++l )
{
if ((*l)->isOnDesktop(currentDesktop()) &&
!(*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; \
}
switch ( mode )
{
case PositionBottomRight:
SNAP_WINDOW_BOTTOM
SNAP_WINDOW_RIGHT
break;
case PositionRight:
SNAP_WINDOW_RIGHT
break;
case PositionBottom:
SNAP_WINDOW_BOTTOM
break;
case PositionTopLeft:
SNAP_WINDOW_TOP
SNAP_WINDOW_LEFT
break;
case PositionLeft:
SNAP_WINDOW_LEFT
break;
case PositionTop:
SNAP_WINDOW_TOP
break;
case PositionTopRight:
SNAP_WINDOW_TOP
SNAP_WINDOW_RIGHT
break;
case PositionBottomLeft:
SNAP_WINDOW_BOTTOM
SNAP_WINDOW_LEFT
break;
default:
assert( false );
break;
}
}
}
}
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;
}
/*!
Cascades all clients on the current desktop
*/
void Workspace::cascadeDesktop()
{
// TODO XINERAMA this probably is not right for xinerama
Q_ASSERT( block_stacking_updates == 0 );
ClientList::ConstIterator it(stackingOrder().begin());
initPositioning->reinitCascading( currentDesktop());
QRect area = clientArea( PlacementArea, QPoint( 0, 0 ), currentDesktop());
for (; it != stackingOrder().end(); ++it)
{
if((!(*it)->isOnDesktop(currentDesktop())) ||
((*it)->isMinimized()) ||
((*it)->isOnAllDesktops()) ||
(!(*it)->isMovable()) )
continue;
initPositioning->placeCascaded(*it, area);
}
}
/*!
Unclutters the current desktop by smart-placing all clients
again.
*/
void Workspace::unclutterDesktop()
{
for ( int i = clients.size() - 1; i>=0; i-- )
{
if( ( !clients.at( i )->isOnDesktop( currentDesktop() ) ) ||
(clients.at( i )->isMinimized()) ||
(clients.at( i )->isOnAllDesktops()) ||
(!clients.at( i )->isMovable()) )
continue;
initPositioning->placeSmart(clients.at( i ), QRect());
}
}
void Workspace::updateTopMenuGeometry( Client* c )
{
if( !managingTopMenus())
return;
if( c != NULL )
{
XEvent ev;
ev.xclient.display = display();
ev.xclient.type = ClientMessage;
ev.xclient.window = c->window();
static Atom msg_type_atom = XInternAtom( display(), "_KDE_TOPMENU_MINSIZE", False );
ev.xclient.message_type = msg_type_atom;
ev.xclient.format = 32;
ev.xclient.data.l[0] = xTime();
ev.xclient.data.l[1] = topmenu_space->width();
ev.xclient.data.l[2] = topmenu_space->height();
ev.xclient.data.l[3] = 0;
ev.xclient.data.l[4] = 0;
XSendEvent( display(), c->window(), False, NoEventMask, &ev );
KWin::setStrut( c->window(), 0, 0, topmenu_height, 0 ); // so that kicker etc. know
c->checkWorkspacePosition();
return;
}
// c == NULL - update all, including topmenu_space
QRect area;
area = clientArea( MaximizeFullArea, QPoint( 0, 0 ), 1 ); // HACK desktop ?
area.setHeight( topMenuHeight());
topmenu_space->setGeometry( area );
for( ClientList::ConstIterator it = topmenus.begin();
it != topmenus.end();
++it )
updateTopMenuGeometry( *it );
}
//********************************************
// 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 ( geometry().right() > area.right() && width() < area.width() )
move( area.right() - width(), y() );
if ( geometry().bottom() > area.bottom() && height() < area.height() )
move( x(), area.bottom() - height() );
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;
// topmenu area is reserved in updateClientArea()
if( isTopMenu())
return r;
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 == kapp->desktop()->geometry())
{
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 () << "Moving left of: " << r << " to " << stareaL.right() + 1 << endl;
r . setLeft( stareaL . right() + 1 );
}
if (stareaR . intersects (area)) {
// kDebug () << "Moving right of: " << r << " to " << stareaR.left() - 1 << endl;
r . setRight( stareaR . left() - 1 );
}
if (stareaT . intersects (area)) {
// kDebug () << "Moving top of: " << r << " to " << stareaT.bottom() + 1 << endl;
r . setTop( stareaT . bottom() + 1 );
}
if (stareaB . intersects (area)) {
// kDebug () << "Moving bottom of: " << r << " to " << stareaB.top() - 1 << endl;
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;
}
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;
}
// updates differences to workarea edges for all directions
void Client::updateWorkareaDiffs()
{
QRect area = workspace()->clientArea( WorkArea, this );
QRect geom = geometry();
workarea_diff_x = computeWorkareaDiff( geom.left(), geom.right(), area.left(), area.right());
workarea_diff_y = computeWorkareaDiff( geom.top(), geom.bottom(), area.top(), area.bottom());
}
// If the client was inside workarea in the x direction, and if it was close to the left/right
// edge, return the distance from the left/right edge (negative for left, positive for right)
// INT_MIN means 'not inside workarea', INT_MAX means 'not near edge'.
// In order to recognize 'at the left workarea edge' from 'at the right workarea edge'
// (i.e. negative vs positive zero), the distances are one larger in absolute value than they
// really are (i.e. 5 pixels from the left edge is -6, not -5). A bit hacky, but I'm lazy
// to rewrite it just to make it nicer. If this will ever get touched again, perhaps then.
// the y direction is done the same, just the values will be rotated: top->left, bottom->right
int Client::computeWorkareaDiff( int left, int right, int a_left, int a_right )
{
int left_diff = left - a_left;
int right_diff = a_right - right;
if( left_diff < 0 || right_diff < 0 )
return INT_MIN;
else // fully inside workarea in this direction direction
{
// max distance from edge where it's still considered to be close and is kept at that distance
int max_diff = ( a_right - a_left ) / 10;
if( left_diff < right_diff )
return left_diff < max_diff ? -left_diff - 1 : INT_MAX;
else if( left_diff > right_diff )
return right_diff < max_diff ? right_diff + 1 : INT_MAX;
return INT_MAX; // not close to workarea edge
}
}
void Client::checkWorkspacePosition()
{
if( isDesktop())
{
QRect area = workspace()->clientArea( FullArea, this );
if( geometry() != area )
setGeometry( area );
return;
}
if( maximizeMode() != MaximizeRestore )
// TODO update geom_restore?
changeMaximize( false, false, true ); // adjust size
if( isFullScreen())
{
QRect area = workspace()->clientArea( FullScreenArea, this );
if( geometry() != area )
setGeometry( area );
return;
}
if( isDock())
return;
if( isTopMenu())
{
if( workspace()->managingTopMenus())
{
QRect area;
ClientList mainclients = mainClients();
if( mainclients.count() == 1 )
area = workspace()->clientArea( MaximizeFullArea, mainclients.first());
else
area = workspace()->clientArea( MaximizeFullArea, QPoint( 0, 0 ), desktop());
area.setHeight( workspace()->topMenuHeight());
// kDebug() << "TOPMENU size adjust: " << area << ":" << this << endl;
setGeometry( area );
}
return;
}
if( !isShade()) // TODO
{
int old_diff_x = workarea_diff_x;
int old_diff_y = workarea_diff_y;
updateWorkareaDiffs();
// 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;
QRect area = workspace()->clientArea( WorkArea, this );
QRect new_geom = geometry();
QRect tmp_rect_x( new_geom.left(), 0, new_geom.width(), 0 );
QRect tmp_area_x( area.left(), 0, area.width(), 0 );
checkDirection( workarea_diff_x, old_diff_x, tmp_rect_x, tmp_area_x );
// the x<->y swapping
QRect tmp_rect_y( new_geom.top(), 0, new_geom.height(), 0 );
QRect tmp_area_y( area.top(), 0, area.height(), 0 );
checkDirection( workarea_diff_y, old_diff_y, tmp_rect_y, tmp_area_y );
new_geom = QRect( tmp_rect_x.left(), tmp_rect_y.left(), tmp_rect_x.width(), tmp_rect_y.width());
QRect final_geom( new_geom.topLeft(), adjustedSize( new_geom.size()));
if( final_geom != new_geom ) // size increments, or size restrictions
{ // adjusted size differing matters only for right and bottom edge
if( old_diff_x != INT_MAX && old_diff_x > 0 )
final_geom.moveRight( area.right() - ( old_diff_x - 1 ));
if( old_diff_y != INT_MAX && old_diff_y > 0 )
final_geom.moveBottom( area.bottom() - ( old_diff_y - 1 ));
}
if( final_geom != geometry() )
setGeometry( final_geom );
// updateWorkareaDiffs(); done already by setGeometry()
}
}
// Try to be smart about keeping the clients visible.
// If the client was fully inside the workspace before, try to keep
// it still inside the workarea, possibly moving it or making it smaller if possible,
// and try to keep the distance from the nearest workarea edge.
// On the other hand, it it was partially moved outside of the workspace in some direction,
// don't do anything with that direction if it's still at least partially visible. If it's
// not visible anymore at all, make sure it's visible at least partially
// again (not fully, as that could(?) be potentionally annoying) by
// moving it slightly inside the workarea (those '+ 5').
// Again, this is done for the x direction, y direction will be done by x<->y swapping
void Client::checkDirection( int new_diff, int old_diff, QRect& rect, const QRect& area )
{
if( old_diff != INT_MIN ) // was inside workarea
{
if( old_diff == INT_MAX ) // was in workarea, but far from edge
{
if( new_diff == INT_MIN ) // is not anymore fully in workarea
{
rect.setLeft( area.left());
rect.setRight( area.right());
}
return;
}
if( isMovable())
{
if( old_diff < 0 ) // was in left third, keep distance from left edge
rect.moveLeft( area.left() + ( -old_diff - 1 ));
else // old_diff > 0 // was in right third, keep distance from right edge
rect.moveRight( area.right() - ( old_diff - 1 ));
}
else if( isResizable())
{
if( old_diff < 0 )
rect.setLeft( area.left() + ( -old_diff - 1 ) );
else // old_diff > 0
rect.setRight( area.right() - ( old_diff - 1 ));
}
if( rect.width() > area.width() && isResizable())
rect.setWidth( area.width());
if( isMovable())
{
if( rect.left() < area.left())
rect.moveLeft( area.left());
else if( rect.right() > area.right())
rect.moveRight( area.right());
}
}
if( rect.right() < area.left() + 5 || rect.left() > area.right() - 5 )
{ // not visible (almost) at all - try to make it at least partially visible
if( isMovable())
{
if( rect.left() < area.left() + 5 )
rect.moveRight( area.left() + 5 );
if( rect.right() > area.right() - 5 )
rect.moveLeft( area.right() - 5 );
}
}
}
/*!
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() << "sizeForClientSize() with empty size!" << endl;
kWarning() << kBacktrace() << endl;
}
if (w<1) w = 1;
if (h<1) h = 1;
// basesize, minsize, maxsize, paspect and resizeinc have all values defined,
// even if they're not set in flags - see getWmNormalHints()
QSize min_size = minSize();
QSize max_size = maxSize();
if( 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( false ))
{
// disobey increments and aspect when maximized
if( maximizeMode() & MaximizeHorizontal )
w = w1;
if( maximizeMode() & MaximizeVertical )
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;
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 );
}
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;
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 ));
}
/*!
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 )
{
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 ) );
// TODO what to do with maximized windows?
if ( maximizeMode() != MaximizeFull
|| ns != size())
{
QRect orig_geometry = geometry();
GeometryUpdatesPostponer 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();
GeometryUpdatesPostponer 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 );
}
}
}
// 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 )
{
if( shade_geometry_change )
assert( false );
else if( isShade())
{
if( h == border_top + border_bottom )
{
kWarning() << "Shaded geometry passed for size:" << endl;
kWarning() << kBacktrace() << endl;
}
}
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;
}
// if it would be moved outside of workarea, keep it inside,
// see also Client::computeWorkareaDiff()
if( workarea_diff_x != INT_MIN && w <= area.width()) // was inside and can still fit
{
if( newx < area.left())
newx = area.left();
if( newx + w > area.right() + 1 )
newx = area.right() + 1 - w;
assert( newx >= area.left() && newx + w <= area.right() + 1 ); // width was checked above
}
if( workarea_diff_y != INT_MIN && h <= area.height()) // was inside and can still fit
{
if( newy < area.top())
newy = area.top();
if( newy + h > area.bottom() + 1 )
newy = area.bottom() + 1 - h;
assert( newy >= area.top() && newy + h <= area.bottom() + 1 ); // height was checked above
}
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( maximizeMode() == MaximizeFull && !options->moveResizeMaximizedWindows() )
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( maximizeMode() == MaximizeFull && !options->moveResizeMaximizedWindows() )
return false;
if( rules()->checkSize( QSize()).isValid()) // forced size
return false;
QSize min = minSize();
QSize max = 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( !isMovable() || !isResizable() || isToolbar()) // SELI isToolbar() ?
return false;
}
if ( maximizeMode() != MaximizeRestore )
return true;
QSize max = maxSize();
#if 0
if( max.width() < 32767 || max.height() < 32767 ) // sizes are 16bit with X
return false;
#else
// apparently there are enough apps which specify some arbitrary value
// for their maximum size just for the fun of it
QSize areasize = workspace()->clientArea( MaximizeArea, this ).size();
if( max.width() < areasize.width() || max.height() < areasize.height())
return false;
#endif
return true;
}
/*!
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() << "Shaded geometry passed for size:" << endl;
kDebug() << kBacktrace() << endl;
}
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 );
}
if( force == NormalGeometrySet && frame_geometry == QRect( x, y, w, h ))
return;
frame_geometry = QRect( x, y, w, h );
updateWorkareaDiffs();
if( postpone_geometry_updates != 0 )
{
pending_geometry_update = true;
return;
}
resizeDecoration( QSize( w, h ));
XMoveResizeWindow( display(), frameId(), x, y, w, h );
// resizeDecoration( QSize( w, h ));
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();
// SELI TODO won't this be too expensive?
updateWorkareaDiffs();
sendSyntheticConfigureNotify();
updateWindowRules();
checkMaximizeGeometry();
}
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() << "Shaded geometry passed for size:" << endl;
kDebug() << kBacktrace() << endl;
}
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 );
}
if( QSize( w, h ) != rules()->checkSize( QSize( w, h )))
{
kDebug() << "forced size fail:" << QSize( w,h ) << ":" << rules()->checkSize( QSize( w, h )) << endl;
kDebug() << kBacktrace() << endl;
}
if( force == NormalGeometrySet && frame_geometry.size() == QSize( w, h ))
return;
frame_geometry.setSize( QSize( w, h ));
updateWorkareaDiffs();
if( postpone_geometry_updates != 0 )
{
pending_geometry_update = true;
return;
}
resizeDecoration( QSize( w, h ));
XResizeWindow( display(), frameId(), w, h );
// resizeDecoration( QSize( w, h ));
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();
updateWorkareaDiffs();
sendSyntheticConfigureNotify();
updateWindowRules();
checkMaximizeGeometry();
}
/*!
Reimplemented to inform the client about the new window position.
*/
void Client::move( int x, int y, ForceGeometry_t force )
{
if( force == NormalGeometrySet && frame_geometry.topLeft() == QPoint( x, y ))
return;
frame_geometry.moveTopLeft( QPoint( x, y ));
updateWorkareaDiffs();
if( postpone_geometry_updates != 0 )
{
pending_geometry_update = true;
return;
}
XMoveWindow( display(), frameId(), x, y );
sendSyntheticConfigureNotify();
updateWindowRules();
checkMaximizeGeometry();
}
void Client::postponeGeometryUpdates( bool postpone )
{
if( postpone )
{
if( postpone_geometry_updates == 0 )
pending_geometry_update = false;
++postpone_geometry_updates;
}
else
{
if( --postpone_geometry_updates == 0 )
{
if( pending_geometry_update )
{
if( isShade())
setGeometry( QRect( pos(), adjustedSize()), ForceGeometrySet );
else
setGeometry( geometry(), ForceGeometrySet );
pending_geometry_update = false;
}
}
}
}
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
changeMaximize(
max_mode & MaximizeVertical ? !vertically : vertically,
max_mode & MaximizeHorizontal ? !horizontally : horizontally,
false );
}
void Client::changeMaximize( bool vertical, bool horizontal, bool adjust )
{
if( !isMaximizable())
return;
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 );
}
max_mode = rules()->checkMaximize( max_mode );
if( !adjust && max_mode == old_mode )
return;
GeometryUpdatesPostponer blocker( this );
// maximing one way and unmaximizing the other way shouldn't happen
Q_ASSERT( !( vertical && horizontal )
|| ((( max_mode & MaximizeVertical ) != 0 ) == (( max_mode & MaximizeHorizontal ) != 0 )));
QRect clientArea = workspace()->clientArea( MaximizeArea, this );
// save sizes for restoring, if maximalizing
if( !adjust && !( y() == clientArea.top() && height() == clientArea.height()))
{
geom_restore.setTop( y());
geom_restore.setHeight( height());
}
if( !adjust && !( x() == clientArea.left() && width() == clientArea.width()))
{
geom_restore.setLeft( x());
geom_restore.setWidth( width());
}
if( !adjust )
{
if(( vertical && !(old_mode & MaximizeVertical ))
|| ( horizontal && !( old_mode & MaximizeHorizontal )))
Notify::raise( Notify::Maximize );
else
Notify::raise( Notify::UnMaximize );
}
if( decoration != NULL ) // decorations may turn off some borders when maximized
decoration->borders( border_left, border_right, border_top, border_bottom );
// restore partial maximizations
if ( old_mode==MaximizeFull && max_mode==MaximizeRestore )
{
if ( maximizeModeRestore()==MaximizeVertical )
{
max_mode = MaximizeVertical;
maxmode_restore = MaximizeRestore;
}
if ( maximizeModeRestore()==MaximizeHorizontal )
{
max_mode = MaximizeHorizontal;
maxmode_restore = MaximizeRestore;
}
}
switch (max_mode)
{
case MaximizeVertical:
{
if( old_mode & MaximizeHorizontal ) // actually restoring from MaximizeFull
{
if( geom_restore.width() == 0 )
{ // needs placement
plainResize( adjustedSize(QSize(width(), clientArea.height()), SizemodeFixedH ));
workspace()->placeSmart( this, clientArea );
}
else
setGeometry( QRect(QPoint( geom_restore.x(), clientArea.top()),
adjustedSize(QSize( geom_restore.width(), clientArea.height()), SizemodeFixedH )));
}
else
setGeometry( QRect(QPoint(x(), clientArea.top()),
adjustedSize(QSize(width(), clientArea.height()), SizemodeFixedH )));
info->setState( NET::MaxVert, NET::Max );
break;
}
case MaximizeHorizontal:
{
if( old_mode & MaximizeVertical ) // actually restoring from MaximizeFull
{
if( geom_restore.height() == 0 )
{ // needs placement
plainResize( adjustedSize(QSize(clientArea.width(), height()), SizemodeFixedW ));
workspace()->placeSmart( this, clientArea );
}
else
setGeometry( QRect( QPoint(clientArea.left(), geom_restore.y()),
adjustedSize(QSize(clientArea.width(), geom_restore.height()), SizemodeFixedW )));
}
else
setGeometry( QRect( QPoint(clientArea.left(), y()),
adjustedSize(QSize(clientArea.width(), height()), SizemodeFixedW )));
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 ));
workspace()->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());
}
setGeometry( restore );
info->setState( 0, NET::Max );
break;
}
case MaximizeFull:
{
if( !adjust )
{
if( old_mode & MaximizeVertical )
maxmode_restore = MaximizeVertical;
if( old_mode & MaximizeHorizontal )
maxmode_restore = MaximizeHorizontal;
}
QSize adjSize = adjustedSize(clientArea.size(), SizemodeMax );
QRect r = QRect(clientArea.topLeft(), adjSize);
setGeometry( r );
info->setState( NET::Max, NET::Max );
break;
}
default:
break;
}
updateAllowedActions();
if( decoration != NULL )
decoration->maximizeChange();
updateWindowRules();
}
void Client::resetMaximize()
{
if( max_mode == MaximizeRestore )
return;
max_mode = MaximizeRestore;
Notify::raise( Notify::UnMaximize );
info->setState( 0, NET::Max );
updateAllowedActions();
if( decoration != NULL )
decoration->borders( border_left, border_right, border_top, border_bottom );
if( isShade())
setGeometry( QRect( pos(), sizeForClientSize( clientSize())), ForceGeometrySet );
else
setGeometry( geometry(), ForceGeometrySet );
if( decoration != NULL )
decoration->maximizeChange();
}
void Client::checkMaximizeGeometry()
{
// when adding new bail-out conditions here, checkMaximizeGeometry() needs to be called
// when after the condition is no longer true
if( isShade())
return;
if( isMove() || isResize()) // this is because of the option to disallow moving/resizing of max-ed windows
return;
// Just in case.
static int recursion_protection = 0;
if( recursion_protection > 3 )
{
kWarning( 1212 ) << "Check maximize overflow - you loose!" << endl;
kWarning( 1212 ) << kBacktrace() << endl;
return;
}
++recursion_protection;
QRect max_area = workspace()->clientArea( MaximizeArea, this );
if( geometry() == max_area )
{
if( max_mode != MaximizeFull )
maximize( MaximizeFull );
}
else if( x() == max_area.left() && width() == max_area.width())
{
if( max_mode != MaximizeHorizontal )
maximize( MaximizeHorizontal );
}
else if( y() == max_area.top() && height() == max_area.height())
{
if( max_mode != MaximizeVertical )
maximize( MaximizeVertical );
}
else if( max_mode != MaximizeRestore )
{
resetMaximize(); // not maximize( MaximizeRestore ), that'd change geometry - this is called from setGeometry()
}
--recursion_protection;
}
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 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 )
geom_fs_restore = geometry();
fullscreen_mode = set ? FullScreenNormal : FullScreenNone;
if( was_fs == isFullScreen())
return;
StackingUpdatesBlocker blocker1( workspace());
GeometryUpdatesPostponer blocker2( this );
workspace()->updateClientLayer( this ); // active fullscreens get different layer
info->setState( isFullScreen() ? NET::FullScreen : 0, NET::FullScreen );
updateDecoration( false, false );
if( isFullScreen())
setGeometry( workspace()->clientArea( FullScreenArea, this ));
else
{
if( !geom_fs_restore.isNull())
setGeometry( QRect( geom_fs_restore.topLeft(), adjustedSize( geom_fs_restore.size())));
// TODO isShaded() ?
else
{ // does this ever happen?
setGeometry( workspace()->clientArea( MaximizeArea, this ));
}
}
updateWindowRules();
}
int Client::checkFullScreenHack( const QRect& geom ) const
{
// if it's noborder window, and has size of one screen or the whole desktop geometry, it's fullscreen hack
if( noBorder() && !isUserNoBorder() && 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 );
}
else if( fullscreen_mode == FullScreenHack && type == 0 )
{
fullscreen_mode = FullScreenNone;
updateDecoration( false, false );
// whoever called this must setup correct geometry
}
StackingUpdatesBlocker blocker( workspace());
workspace()->updateClientLayer( this ); // active fullscreens get different layer
}
static QRect* visible_bound = 0;
static GeometryTip* geometryTip = 0;
void Client::drawbound( const QRect& geom )
{
assert( visible_bound == NULL );
visible_bound = new QRect( geom );
doDrawbound( *visible_bound, false );
}
void Client::clearbound()
{
if( visible_bound == NULL )
return;
doDrawbound( *visible_bound, true );
delete visible_bound;
visible_bound = 0;
}
void Client::doDrawbound( const QRect& geom, bool clear )
{
if( decoration != NULL && decoration->drawbound( geom, clear ))
return; // done by decoration
QPainter p ( workspace()->desktopWidget() );
p.setPen( QPen( Qt::white, 5 ) );
p.setCompositionMode( QPainter::CompositionMode_Xor );
// the line is 5 pixel thick, so compensate for the extra two pixels
// on outside (#88657)
QRect g = geom;
if( g.width() > 5 )
{
g.setLeft( g.left() + 2 );
g.setRight( g.right() - 2 );
}
if( g.height() > 5 )
{
g.setTop( g.top() + 2 );
g.setBottom( g.bottom() - 2 );
}
p.drawRect( g );
}
void Client::positionGeometryTip()
{
assert( isMove() || isResize());
// Position and Size display
if (options->showGeometryTip())
{
if( !geometryTip )
{ // save under is not necessary with opaque, and seem to make things slower
bool save_under = ( isMove() && rules()->checkMoveResizeMode( options->moveMode ) != Options::Opaque )
|| ( isResize() && rules()->checkMoveResizeMode( options->resizeMode ) != Options::Opaque );
geometryTip = new GeometryTip( &xSizeHint, save_under );
}
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();
}
}
}
class EatAllPaintEvents
: public QObject
{
protected:
virtual bool eventFilter( QObject* o, QEvent* e )
{ return e->type() == QEvent::Paint && o != geometryTip; }
};
static EatAllPaintEvents* eater = 0;
bool Client::startMoveResize()
{
assert( !moveResizeMode );
assert( QWidget::keyboardGrabber() == NULL );
assert( QWidget::mouseGrabber() == NULL );
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)
XSetWindowAttributes attrs;
QRect r = workspace()->clientArea( FullArea, this );
move_resize_grab_window = XCreateWindow( display(), workspace()->rootWin(), r.x(), r.y(),
r.width(), r.height(), 0, CopyFromParent, InputOnly, CopyFromParent, 0, &attrs );
XMapRaised( display(), move_resize_grab_window );
if( XGrabPointer( display(), move_resize_grab_window, False,
ButtonPressMask | ButtonReleaseMask | PointerMotionMask | EnterWindowMask | LeaveWindowMask,
GrabModeAsync, GrabModeAsync, move_resize_grab_window, cursor.handle(), xTime() ) == Success )
has_grab = true;
if( XGrabKeyboard( display(), frameId(), False, GrabModeAsync, GrabModeAsync, xTime() ) == Success )
has_grab = true;
if( !has_grab ) // at least one grab is necessary in order to be able to finish move/resize
{
XDestroyWindow( display(), move_resize_grab_window );
move_resize_grab_window = None;
return false;
}
if ( maximizeMode() != MaximizeRestore )
resetMaximize();
moveResizeMode = true;
workspace()->setClientIsMoving(this);
initialMoveResizeGeom = moveResizeGeom = geometry();
checkUnrestrictedMoveResize();
if ( ( isMove() && rules()->checkMoveResizeMode( options->moveMode ) != Options::Opaque )
|| ( isResize() && rules()->checkMoveResizeMode( options->resizeMode ) != Options::Opaque ) )
{
grabXServer();
kapp->sendPostedEvents();
// we have server grab -> nothing should cause paint events
// unfortunately, that's not completely true, Qt may generate
// paint events on some widgets due to FocusIn(?)
// eat them, otherwise XOR painting will be broken (#58054)
// paint events for the geometrytip need to be allowed, though
eater = new EatAllPaintEvents;
// not needed anymore? kapp->installEventFilter( eater );
}
Notify::raise( isResize() ? Notify::ResizeStart : Notify::MoveStart );
return true;
}
void Client::finishMoveResize( bool cancel )
{
leaveMoveResize();
if( cancel )
setGeometry( initialMoveResizeGeom );
else
setGeometry( moveResizeGeom );
checkMaximizeGeometry();
// FRAME update();
Notify::raise( isResize() ? Notify::ResizeEnd : Notify::MoveEnd );
}
void Client::leaveMoveResize()
{
clearbound();
if (geometryTip)
{
geometryTip->hide();
delete geometryTip;
geometryTip = NULL;
}
if ( ( isMove() && rules()->checkMoveResizeMode( options->moveMode ) != Options::Opaque )
|| ( isResize() && rules()->checkMoveResizeMode( options->resizeMode ) != Options::Opaque ) )
ungrabXServer();
XUngrabKeyboard( display(), xTime() );
XUngrabPointer( display(), xTime() );
XDestroyWindow( display(), move_resize_grab_window );
move_resize_grab_window = None;
workspace()->setClientIsMoving(0);
if( move_faked_activity )
workspace()->unfakeActivity( this );
move_faked_activity = false;
moveResizeMode = false;
delete eater;
eater = 0;
}
// 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 ) // titlebar mustn't go out
unrestrictedMoveResize = true;
// no need to check top_marge, titlebar_marge already handles it
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;
}
}
void Client::handleMoveResize( int x, int y, int x_root, int y_root )
{
if(( mode == PositionCenter && !isMovable())
|| ( mode != PositionCenter && ( isShade() || !isResizable())))
return;
if ( !moveResizeMode )
{
QPoint p( QPoint( x, y ) - moveOffset );
if (p.manhattanLength() >= 6)
{
if( !startMoveResize())
{
buttonDown = false;
setCursor( mode );
return;
}
}
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?
// compute bounds
// NOTE: This is duped in checkUnrestrictedMoveResize().
QRect desktopArea = workspace()->clientArea( WorkArea, globalPos, desktop());
int left_marge, right_marge, top_marge, bottom_marge, titlebar_marge;
if( unrestrictedMoveResize ) // unrestricted, just don't let it go out completely
left_marge = right_marge = top_marge = bottom_marge = titlebar_marge = 5;
else // 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;
}
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:
assert( false );
break;
}
// adjust new size to snap to other windows/borders
moveResizeGeom = workspace()->adjustClientSize( this, moveResizeGeom, mode );
// NOTE: This is duped in checkUnrestrictedMoveResize().
if( moveResizeGeom.bottom() < desktopArea.top() + top_marge )
moveResizeGeom.setBottom( desktopArea.top() + top_marge );
if( moveResizeGeom.top() > desktopArea.bottom() - bottom_marge )
moveResizeGeom.setTop( desktopArea.bottom() - bottom_marge );
if( moveResizeGeom.right() < desktopArea.left() + left_marge )
moveResizeGeom.setRight( desktopArea.left() + left_marge );
if( moveResizeGeom.left() > desktopArea.right() - right_marge )
moveResizeGeom.setLeft(desktopArea.right() - right_marge );
if( !unrestrictedMoveResize && moveResizeGeom.top() < desktopArea.top() ) // titlebar mustn't go out
moveResizeGeom.setTop( desktopArea.top());
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:
assert( false );
break;
}
if( moveResizeGeom.size() != previousMoveResizeGeom.size())
update = true;
}
else if( isMove())
{
assert( mode == PositionCenter );
// first move, then snap, then check bounds
moveResizeGeom.moveTopLeft( topleft );
moveResizeGeom.moveTopLeft( workspace()->adjustClientPosition( this, moveResizeGeom.topLeft() ) );
// NOTE: This is duped in checkUnrestrictedMoveResize().
if( moveResizeGeom.bottom() < desktopArea.top() + titlebar_marge - 1 ) // titlebar mustn't go out
moveResizeGeom.moveBottom( desktopArea.top() + titlebar_marge - 1 );
// no need to check top_marge, titlebar_marge already handles it
if( moveResizeGeom.top() > desktopArea.bottom() - bottom_marge )
moveResizeGeom.moveTop( desktopArea.bottom() - bottom_marge );
if( moveResizeGeom.right() < desktopArea.left() + left_marge )
moveResizeGeom.moveRight( desktopArea.left() + left_marge );
if( moveResizeGeom.left() > desktopArea.right() - right_marge )
moveResizeGeom.moveLeft(desktopArea.right() - right_marge );
if( moveResizeGeom.topLeft() != previousMoveResizeGeom.topLeft())
update = true;
}
else
assert( false );
if( update )
{
if( rules()->checkMoveResizeMode
( isResize() ? options->resizeMode : options->moveMode ) == Options::Opaque )
{
setGeometry( moveResizeGeom );
positionGeometryTip();
}
else if( rules()->checkMoveResizeMode
( isResize() ? options->resizeMode : options->moveMode ) == Options::Transparent )
{
clearbound(); // it's necessary to move the geometry tip when there's no outline
positionGeometryTip(); // shown, otherwise it would cause repaint problems in case
drawbound( moveResizeGeom ); // they overlap; the paint event will come after this,
} // so the geometry tip will be painted above the outline
}
if ( isMove() )
workspace()->clientMoved(globalPos, xTime());
}
} // namespace
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