/******************************************************************** KWin - the KDE window manager This file is part of the KDE project. Copyright (C) 1999, 2000 Matthias Ettrich Copyright (C) 2003 Lubos Lunak Copyright (C) 2009 Lucas Murray 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 . *********************************************************************/ /* This file contains things relevant to geometry, i.e. workspace size, window positions and window sizes. */ #include "client.h" #include "workspace.h" #include #include #include #include #include "placement.h" #include "notifications.h" #include "geometrytip.h" #include "rules.h" #include "effects.h" #include #include namespace KWin { //******************************************** // Workspace //******************************************** /*! Resizes the workspace after an XRANDR screen size change */ void Workspace::desktopResized() { QRect geom = Kephal::ScreenUtils::desktopGeometry(); NETSize desktop_geometry; desktop_geometry.width = geom.width(); desktop_geometry.height = geom.height(); rootInfo->setDesktopGeometry( -1, desktop_geometry ); updateClientArea(); destroyElectricBorders(); updateElectricBorders(); if( compositing() ) compositeResetTimer.start( 0 ); } /*! 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 ) { int nscreens = Kephal::ScreenUtils::numScreens(); 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 = Kephal::ScreenUtils::desktopGeometry(); for( int iS = 0; iS < nscreens; iS ++ ) { screens [iS] = Kephal::ScreenUtils::screenGeometry( 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 // 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 ].intersected( topmenu_area ); new_rmoveareas[ i ] += topmenu_area; } } 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 ); } updateTopMenuGeometry(); for( ClientList::ConstIterator it = clients.constBegin(); it != clients.constEnd(); ++it) (*it)->checkWorkspacePosition(); for( ClientList::ConstIterator it = desktops.constBegin(); it != desktops.constEnd(); ++it) (*it)->checkWorkspacePosition(); } 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 = currentDesktop(); if( screen == -1 ) screen = activeScreen(); QRect sarea = (!screenarea.isEmpty() && screen < screenarea[ desktop ].size()) // screens may be missing during KWin initialization or screen config changes ? screenarea[ desktop ][ screen ] : Kephal::ScreenUtils::screenGeometry( screen ); QRect warea = workarea[ desktop ].isNull() ? Kephal::ScreenUtils::desktopGeometry() : workarea[ desktop ]; switch (opt) { case MaximizeArea: if (options->xineramaMaximizeEnabled) return sarea; else return warea; case MaximizeFullArea: if (options->xineramaMaximizeEnabled) return Kephal::ScreenUtils::screenGeometry( screen ); else return Kephal::ScreenUtils::desktopGeometry(); case FullScreenArea: if (options->xineramaFullscreenEnabled) return Kephal::ScreenUtils::screenGeometry( screen ); else return Kephal::ScreenUtils::desktopGeometry(); case PlacementArea: if (options->xineramaPlacementEnabled) return sarea; else return warea; case MovementArea: if (options->xineramaMovementEnabled) return Kephal::ScreenUtils::screenGeometry( screen ); else return Kephal::ScreenUtils::desktopGeometry(); case WorkArea: return warea; case FullArea: return Kephal::ScreenUtils::desktopGeometry(); case ScreenArea: return Kephal::ScreenUtils::screenGeometry( screen ); } abort(); } QRect Workspace::clientArea( clientAreaOption opt, const QPoint& p, int desktop ) const { int screen = Kephal::ScreenUtils::screenId( p ); return clientArea( opt, screen, 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 = currentDesktop(); QRegion region; foreach( const StrutRect& rect, restrictedmovearea[desktop] ) if( areas & rect.area() ) region += rect; return region; } QRegion Workspace::previousRestrictedMoveArea( int desktop, StrutAreas areas ) const { if( desktop == NETWinInfo::OnAllDesktops || desktop == 0 ) desktop = currentDesktop(); QRegion region; foreach( const StrutRect& rect, oldrestrictedmovearea[desktop] ) if( areas & rect.area() ) region += rect; return region; } /*! 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, bool unrestricted ) { //CT 16mar98, 27May98 - magics: BorderSnapZone, WindowSnapZone //CT adapted for kwin on 25Nov1999 //aleXXX 02Nov2000 added second snapping mode if (options->windowSnapZone || options->borderSnapZone || options->centerSnapZone ) { 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?(cxxmax):true) && (qAbs(rx-xmax)ymax):true) && (qAbs(ry-ymax)windowSnapZone; if (snap) { QList::ConstIterator l; for (l = clients.constBegin();l != clients.constEnd();++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?(cxlx):true) && (qAbs(rx-lx)= lx )) || (( rx >= lx ) && ( rx <= lrx )) || (( cx <= lx ) && ( rx >= lrx )) ) { if ((sOWO?(cyly):true) && (qAbs(ry-ly)lry):true) && (qAbs(lry-ry)lrx):true) && (qAbs(lrx-rx)centerSnapZone; //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 deltaX = diffX; deltaY = diffY; 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 deltaY = diffY; 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 deltaX = diffX; 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->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?(newcyymax):true) && (qAbs(ymax-newry)xmax):true) && (qAbs(xmax-newrx)windowSnapZone; if (snap) { deltaX = int(snap); deltaY = int(snap); QList::ConstIterator l; for (l = clients.constBegin();l != clients.constEnd();++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?(newcyly):true) \ && WITHIN_WIDTH \ && (qAbs( ly - newry ) < deltaY) ) { \ deltaY = qAbs( ly - newry ); \ newry=ly; \ } #define SNAP_WINDOW_LEFT if ( (sOWO?(newcxlx):true) \ && WITHIN_HEIGHT \ && (qAbs( lx - newrx ) < deltaX)) \ { \ deltaX = qAbs( lx - newrx ); \ newrx=lx; \ } #define SNAP_WINDOW_C_TOP if ( (sOWO?(newcylry):true) \ && (newcx == lrx || newrx == lx) \ && qAbs(lry-newry) < deltaY ) { \ deltaY = qAbs( lry - newry - 1 ); \ newry = lry - 1; \ } #define SNAP_WINDOW_C_LEFT if ( (sOWO?(newcxlrx):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; } /*! 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 ); initPositioning->reinitCascading( currentDesktop()); QRect area = clientArea( PlacementArea, QPoint( 0, 0 ), currentDesktop()); foreach( Client* client, stackingOrder() ) { if((!client->isOnDesktop(currentDesktop())) || (client->isMinimized()) || (client->isOnAllDesktops()) || (!client->isMovable()) ) continue; initPositioning->placeCascaded(client, 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 ); KWindowSystem::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.constBegin(); it != topmenus.constEnd(); ++it ) updateTopMenuGeometry( *it ); } // 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( Window w, const XWindowAttributes& attr ) { NETWinInfo i( display(), w, rootWindow(), NET::WMFrameExtents ); NETStrut frame = i.frameExtents(); if( frame.left != 0 || frame.top != 0 ) XMoveWindow( display(), w, attr.x - frame.left, attr.y - frame.top ); } //******************************************** // 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(), 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 == Kephal::ScreenUtils::desktopGeometry()) { 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 int numScreens = Kephal::ScreenUtils::numScreens(); for( int i = 0; i < numScreens; i ++ ) region -= Kephal::ScreenUtils::screenGeometry( i ); // If there's anything left then we have an offscreen strut return !region.isEmpty(); } void Client::checkWorkspacePosition() { if( isDesktop()) return; 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(1212) << "TOPMENU size adjust: " << area << ":" << this; setGeometry( area ); } return; } if( maximizeMode() != MaximizeRestore ) // TODO update geom_restore? changeMaximize( false, false, true ); // adjust size if( !isShade()) // TODO { // 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. const QRect& screenArea = workspace()->clientArea( ScreenArea, this ); int oldTopMax = screenArea.y(); int oldRightMax = screenArea.x() + screenArea.width(); int oldBottomMax = screenArea.y() + screenArea.height(); int oldLeftMax = screenArea.x(); int topMax = INT_MIN, rightMax = INT_MAX, bottomMax = INT_MAX, leftMax = INT_MIN; QRect newGeom = 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). foreach( QRect rect, workspace()->previousRestrictedMoveArea( desktop(), StrutAreaTop ).rects() ) { rect &= newGeomTall; if( !rect.isEmpty() ) oldTopMax = qMax( oldTopMax, rect.y() + rect.height() ); } foreach( QRect rect, workspace()->previousRestrictedMoveArea( desktop(), StrutAreaRight ).rects() ) { rect &= newGeomWide; if( !rect.isEmpty() ) oldRightMax = qMin( oldRightMax, rect.x() ); } foreach( QRect rect, workspace()->previousRestrictedMoveArea( desktop(), StrutAreaBottom ).rects() ) { rect &= newGeomTall; if( !rect.isEmpty() ) oldBottomMax = qMin( oldBottomMax, rect.y() ); } foreach( QRect rect, workspace()->previousRestrictedMoveArea( desktop(), StrutAreaLeft ).rects() ) { rect &= newGeomWide; if( !rect.isEmpty() ) oldLeftMax = qMax( oldLeftMax, rect.x() + rect.width() ); } foreach( QRect rect, workspace()->restrictedMoveArea( desktop(), StrutAreaTop ).rects() ) { rect &= newGeomTall; if( !rect.isEmpty() ) topMax = qMax( topMax, rect.y() + rect.height() ); } foreach( QRect rect, workspace()->restrictedMoveArea( desktop(), StrutAreaRight ).rects() ) { rect &= newGeomWide; if( !rect.isEmpty() ) rightMax = qMin( rightMax, rect.x() ); } foreach( QRect rect, workspace()->restrictedMoveArea( desktop(), StrutAreaBottom ).rects() ) { rect &= newGeomTall; if( !rect.isEmpty() ) bottomMax = qMin( bottomMax, rect.y() ); } foreach( QRect rect, workspace()->restrictedMoveArea( desktop(), StrutAreaLeft ).rects() ) { rect &= newGeomWide; if( !rect.isEmpty() ) leftMax = qMax( leftMax, rect.x() + rect.width() ); } // Check if the sides were touching before but are no longer if( newGeom.y() == oldTopMax && newGeom.y() != topMax ) { // Top was touching before but isn't anymore // If the other side was touching make sure it still is afterwards if( newGeom.y() + newGeom.height() == oldBottomMax ) newGeom.setTop( qMax( topMax, screenArea.y() )); else newGeom.moveTop( qMax( topMax, screenArea.y() )); // Make sure it doesn't go off the other side of the screen/under an opposite strut newGeom.setBottom( qMin( qMin( bottomMax - 1, screenArea.bottom() ), newGeom.y() + newGeom.height() - 1 )); } if( newGeom.x() + newGeom.width() == oldRightMax && newGeom.x() + newGeom.width() != rightMax ) { // Right was touching before but isn't anymore // If the other side was touching make sure it still is afterwards if( newGeom.x() == oldLeftMax ) newGeom.setRight( qMin( rightMax - 1, screenArea.right() )); else newGeom.moveRight( qMin( rightMax - 1, screenArea.right() )); // Make sure it doesn't go off the other side of the screen/under an opposite strut newGeom.setLeft( qMax( qMax( leftMax, screenArea.x() ), newGeom.x() )); } if( newGeom.y() + newGeom.height() == oldBottomMax && newGeom.y() + newGeom.height() != bottomMax ) { // Bottom was touching before but isn't anymore // If the other side was touching make sure it still is afterwards if( newGeom.y() == oldTopMax ) newGeom.setBottom( qMin( bottomMax - 1, screenArea.bottom() )); else newGeom.moveBottom( qMin( bottomMax - 1, screenArea.bottom() )); // Make sure it doesn't go off the other side of the screen/under an opposite strut newGeom.setTop( qMax( qMax( topMax, screenArea.y() ), newGeom.y() )); } if( newGeom.x() == oldLeftMax && newGeom.x() != leftMax ) { // Left was touching before but isn't anymore // If the other side was touching make sure it still is afterwards if( newGeom.y() == newGeom.x() + newGeom.width() == oldRightMax ) newGeom.setLeft( qMax( leftMax, screenArea.x() )); else newGeom.moveLeft( qMax( leftMax, screenArea.x() )); // Make sure it doesn't go off the other side of the screen/under an opposite strut newGeom.setRight( qMin( qMin( rightMax - 1, screenArea.right() ), newGeom.x() + newGeom.width() - 1 )); } // 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 ); } } // 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(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 = 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 ) ); // enforces size if needed new_pos = rules()->checkPosition( new_pos ); // TODO what to do with maximized windows? if ( maximizeMode() != MaximizeFull || ns != size()) { 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 ); } } } // 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( maximizeMode() == MaximizeFull && !options->moveResizeMaximizedWindows() ) 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( 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(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()); XMoveResizeWindow( display(), window(), 0, 0, cs.width(), cs.height()); } updateShape(); } else XMoveWindow( display(), frameId(), x, y ); // SELI TODO won't this be too expensive? sendSyntheticConfigureNotify(); updateWindowRules(); checkMaximizeGeometry(); workspace()->checkActiveScreen( this ); workspace()->updateStackingOrder(); workspace()->checkUnredirect(); if( resized ) { discardWindowPixmap(); if( scene != NULL ) scene->windowGeometryShapeChanged( this ); if( effects != NULL ) static_cast(effects)->windowGeometryShapeChanged( effectWindow(), geom_before_block ); } const QRect deco_rect = decorationRect().translated( geom.x(), geom.y() ); addWorkspaceRepaint( deco_rect_before_block ); addWorkspaceRepaint( deco_rect ); geom_before_block = geom; deco_rect_before_block = deco_rect; } 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(); checkMaximizeGeometry(); workspace()->checkActiveScreen( this ); workspace()->updateStackingOrder(); workspace()->checkUnredirect(); discardWindowPixmap(); if( scene != NULL ) scene->windowGeometryShapeChanged( this ); if( effects != NULL ) static_cast(effects)->windowGeometryShapeChanged( effectWindow(), geom_before_block ); const QRect deco_rect = decorationRect().translated( geom.x(), geom.y() ); addWorkspaceRepaint( deco_rect_before_block ); addWorkspaceRepaint( deco_rect ); geom_before_block = geom; deco_rect_before_block = deco_rect; } /*! 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(); checkMaximizeGeometry(); workspace()->checkActiveScreen( this ); workspace()->updateStackingOrder(); workspace()->checkUnredirect(); // client itself is not damaged const QRect deco_rect = decorationRect().translated( geom.x(), geom.y() ); addWorkspaceRepaint( deco_rect_before_block ); addWorkspaceRepaint( deco_rect ); // trigger repaint of window's new location geom_before_block = geom; deco_rect_before_block = deco_rect; } 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 changeMaximize( max_mode & MaximizeVertical ? !vertically : vertically, max_mode & MaximizeHorizontal ? !horizontally : horizontally, false ); if( effects ) static_cast(effects)->windowUserMovedResized( effectWindow(), true, true ); } 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; GeometryUpdatesBlocker blocker( this ); // maximing one way and unmaximizing the other way shouldn't happen, // so restore first and then maximize the other way if( ( old_mode == MaximizeVertical && max_mode == MaximizeHorizontal ) || ( old_mode == MaximizeHorizontal && max_mode == MaximizeVertical )) { changeMaximize( false, false, false ); // restore } 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 ); } ForceGeometry_t geom_mode = NormalGeometrySet; if( decoration != NULL ) // decorations may turn off some borders when maximized { if( checkBorderSizes( false )) // only query, don't resize geom_mode = ForceGeometrySet; } // 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 || !clientArea.contains( geom_restore.center() )) { // needs placement plainResize( adjustedSize( QSize( width() * 2 / 3, clientArea.height()), SizemodeFixedH ), geom_mode ); workspace()->placeSmart( this, clientArea ); } else { setGeometry( QRect(QPoint( geom_restore.x(), clientArea.top()), adjustedSize(QSize( geom_restore.width(), clientArea.height()), SizemodeFixedH )), geom_mode ); } } else { setGeometry( QRect(QPoint(x(), clientArea.top()), adjustedSize(QSize(width(), clientArea.height()), SizemodeFixedH )), 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 ); workspace()->placeSmart( this, clientArea ); } else { setGeometry( QRect( QPoint(clientArea.left(), geom_restore.y()), adjustedSize(QSize(clientArea.width(), geom_restore.height()), SizemodeFixedW )), geom_mode ); } } else { setGeometry( QRect( QPoint(clientArea.left(), y()), adjustedSize(QSize(clientArea.width(), height()), SizemodeFixedW )), 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 )); 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, geom_mode ); if( !clientArea.contains( geom_restore.center() )) // Not restoring to the same screen workspace()->place( this, clientArea ); 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, geom_mode ); 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!" ; kWarning( 1212 ) << kBacktrace() ; 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 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 ) geom_fs_restore = geometry(); fullscreen_mode = set ? FullScreenNormal : FullScreenNone; if( was_fs == isFullScreen()) return; 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()) setGeometry( QRect( geom_fs_restore.topLeft(), adjustedSize( geom_fs_restore.size()))); // TODO isShaded() ? else { // does this ever happen? setGeometry( workspace()->clientArea( MaximizeArea, this )); } } updateWindowRules(); workspace()->checkUnredirect(); } void Client::updateFullscreenMonitors( NETFullscreenMonitors topology ) { int nscreens = Kephal::ScreenUtils::numScreens(); // 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 = Kephal::ScreenUtils::screenGeometry( requestedTopology.top ); bottom = Kephal::ScreenUtils::screenGeometry(requestedTopology.bottom ); left = Kephal::ScreenUtils::screenGeometry(requestedTopology.left ); right = Kephal::ScreenUtils::screenGeometry(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 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 ); } 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 XGCValues xgc; xgc.function = GXxor; xgc.foreground = WhitePixel( display(), DefaultScreen( display())); xgc.line_width = 5; xgc.subwindow_mode = IncludeInferiors; GC gc = XCreateGC( display(), DefaultRootWindow( display()), GCFunction | GCForeground | GCLineWidth | GCSubwindowMode, &xgc ); // 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 ); } XDrawRectangle( display(), DefaultRootWindow( display()), gc, g.x(), g.y(), g.width(), g.height()); XFreeGC( display(), gc ); } 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 ); 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) XSetWindowAttributes attrs; QRect r = workspace()->clientArea( FullArea, this ); move_resize_grab_window = XCreateWindow( display(), rootWindow(), 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( 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 { 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 ); if( effects ) static_cast(effects)->windowUserMovedResized( effectWindow(), true, false ); if( options->electricBorders() == Options::ElectricMoveOnly ) workspace()->reserveElectricBorderSwitching( true ); 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 ); if( effects ) static_cast(effects)->windowUserMovedResized( effectWindow(), false, true ); } 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(); if( move_resize_has_keyboard_grab ) ungrabXKeyboard(); move_resize_has_keyboard_grab = false; 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; delete sync_timeout; sync_timeout = NULL; if( options->electricBorders() == Options::ElectricMoveOnly ) workspace()->reserveElectricBorderSwitching( false ); } // 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; } } // 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::doubleClickInterval()); } 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 ) { if(( mode == PositionCenter && !isMovableAcrossScreens() ) || ( mode != PositionCenter && ( isShade() || !isResizable()))) return; if ( !moveResizeMode ) { QPoint p( QPoint( x, y ) - moveOffset ); if (p.manhattanLength() >= 6) { 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 PositionTopLeft: case PositionLeft: if( previousMoveResizeGeom.x() >= moveResizeGeom.x() ) { breakLoop = true; break; } moveResizeGeom.setLeft( moveResizeGeom.x() - 1 ); break; 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; } } 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 = workspace()->screenNumber( globalPos ); moveResizeGeom = workspace()->clientArea( MaximizeArea, screen, 0 ); } 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. 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 // Move it (Favour vertically) if( previousMoveResizeGeom.y() != moveResizeGeom.y() ) moveResizeGeom.translate( 0, previousMoveResizeGeom.y() > moveResizeGeom.y() ? 1 : -1 ); else moveResizeGeom.translate( previousMoveResizeGeom.x() > moveResizeGeom.x() ? 1 : -1, 0 ); if( moveResizeGeom == previousMoveResizeGeom ) break; // Prevent lockup } } } if( moveResizeGeom.topLeft() != previousMoveResizeGeom.topLeft()) update = true; } else abort(); if( isResize()) { if( sync_timeout != NULL ) { sync_resize_pending = true; return; } } if( update ) performMoveResize(); if ( isMove() ) workspace()->checkElectricBorder(globalPos, xTime()); } void Client::performMoveResize() { #ifdef HAVE_XSYNC if( isResize() && sync_counter != None ) { sync_timeout = new QTimer( this ); connect( sync_timeout, SIGNAL( timeout()), SLOT( syncTimeout())); sync_timeout->setSingleShot( true ); sync_timeout->start( 500 ); sendSyncRequest(); } #endif sync_resize_pending = false; 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( effects ) static_cast(effects)->windowUserMovedResized( effectWindow(), false, false ); } void Client::syncTimeout() { sync_timeout->deleteLater(); sync_timeout = NULL; if( sync_resize_pending ) performMoveResize(); } } // namespace