/***************************************************************** KWin - the KDE window manager This file is part of the KDE project. Copyright (C) 1999, 2000 Matthias Ettrich Copyright (C) 2003 Lubos Lunak 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 #include #include #include #include "placement.h" #include "notifications.h" #include "geometrytip.h" #include "rules.h" extern Time qt_x_time; namespace KWinInternal { //******************************************** // Workspace //******************************************** /*! Resizes the workspace after an XRANDR screen size change */ void Workspace::desktopResized() { updateClientArea(); checkElectricBorders(); } /*! 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 (); // kdDebug () << "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) { QRect r = (*it)->adjustedClientArea( desktopArea, desktopArea ); if( r == desktopArea ) // should be sufficient continue; 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 ++ ) { // kdDebug () << "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 ++ ) kdDebug () << "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(); } 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->screenNumber( p ); 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 sarea; } 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 ) { bool sOWO=options->snapOnlyWhenOverlapping; QRect maxRect = clientArea(MovementArea, pos+c->rect().center(), c->desktop()); int xmin = maxRect.left(); int xmax = maxRect.right()+1; //desk size int ymin = maxRect.top(); int ymax = maxRect.bottom()+1; int cx(pos.x()); int cy(pos.y()); int cw(c->width()); int ch(c->height()); int rx(cx+cw); 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) { QValueList::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?(cxlx):true) && (QABS(rx-lx)= lx )) || (( rx >= lx ) && ( rx <= lrx )) || (( cx <= lx ) && ( rx >= lrx )) ) { if ((sOWO?(cyly):true) && (QABS(ry-ly)isOnDesktop(currentDesktop())) || ((*it)->isMinimized()) || ((*it)->isOnAllDesktops()) || (!(*it)->isMovable()) ) continue; initPositioning->placeCascaded(*it, QRect(), re_init_cascade_at_first_client); //CT is an if faster than an attribution?? if (re_init_cascade_at_first_client) re_init_cascade_at_first_client = false; } } /*! Unclutters the current desktop by smart-placing all clients again. */ void Workspace::unclutterDesktop() { ClientList::Iterator it(clients.fromLast()); for (; it != clients.end(); --it) { if((!(*it)->isOnDesktop(currentDesktop())) || ((*it)->isMinimized()) || ((*it)->isOnAllDesktops()) || (!(*it)->isMovable()) ) continue; initPositioning->placeSmart(*it, QRect()); } } void Workspace::updateTopMenuGeometry( Client* c ) { if( !managingTopMenus()) return; if( c != NULL ) { XEvent ev; ev.xclient.display = qt_xdisplay(); ev.xclient.type = ClientMessage; ev.xclient.window = c->window(); static Atom msg_type_atom = XInternAtom( qt_xdisplay(), "_KDE_TOPMENU_MINSIZE", False ); ev.xclient.message_type = msg_type_atom; ev.xclient.format = 32; ev.xclient.data.l[0] = qt_x_time; 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( qt_xdisplay(), 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( const QRect& area ) { 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); NETExtendedStrut ext = info->extendedStrut(); if( ext.left_width == 0 && ext.right_width == 0 && ext.top_width == 0 && ext.bottom_width == 0 && ( str.left_width != 0 || str.right_width != 0 || str.top_width != 0 || str.bottom_width != 0 )) { // hack, might cause problems... this tries to guess the start/end of a // non-extended strut; only works on windows that have exact same // geometry as their strut (ie, if the geometry fits the width // exactly, we will adjust length of strut to match the geometry as well; // otherwise we use the full-edge strut) if (stareaT.top() == geometry().top() && stareaT.bottom() == geometry().bottom()) { stareaT.setLeft(geometry().left()); stareaT.setRight(geometry().right()); // kdDebug () << "Trimming top-strut to geometry() to: " << stareaT << endl; } if (stareaB.top() == geometry().top() && stareaB.bottom() == geometry().bottom()) { stareaB.setLeft(geometry().left()); stareaB.setRight(geometry().right()); // kdDebug () << "Trimming bottom-strut to geometry(): " << stareaB << endl; } if (stareaL.left() == geometry().left() && stareaL.right() == geometry().right()) { stareaL.setTop(geometry().top()); stareaL.setBottom(geometry().bottom()); // kdDebug () << "Trimming left-strut to geometry(): " << stareaL << endl; } if (stareaR.left() == geometry().left() && stareaR.right() == geometry().right()) { stareaR.setTop(geometry().top()); stareaR.setBottom(geometry().bottom()); // kdDebug () << "Trimming right-strut to geometry(): " << stareaR << endl; } } if (stareaL . intersects (area)) { // kdDebug () << "Moving left of: " << r << " to " << stareaL.right() + 1 << endl; r . setLeft( stareaL . right() + 1 ); } if (stareaR . intersects (area)) { // kdDebug () << "Moving right of: " << r << " to " << stareaR.left() - 1 << endl; r . setRight( stareaR . left() - 1 ); } if (stareaT . intersects (area)) { // kdDebug () << "Moving top of: " << r << " to " << stareaT.bottom() + 1 << endl; r . setTop( stareaT . bottom() + 1 ); } if (stareaB . intersects (area)) { // kdDebug () << "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 = XDisplayHeight( qt_xdisplay(), DefaultScreen( qt_xdisplay())); } if( str.right != 0 ) { ext.right_width = str.right; ext.right_start = 0; ext.right_end = XDisplayHeight( qt_xdisplay(), DefaultScreen( qt_xdisplay())); } if( str.top != 0 ) { ext.top_width = str.top; ext.top_start = 0; ext.top_end = XDisplayWidth( qt_xdisplay(), DefaultScreen( qt_xdisplay())); } if( str.bottom != 0 ) { ext.bottom_width = str.bottom; ext.bottom_start = 0; ext.bottom_end = XDisplayWidth( qt_xdisplay(), DefaultScreen( qt_xdisplay())); } } 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( 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( isOverride()) return; // I wish I knew what to do here :( 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()); // kdDebug() << "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( isResizable()) { if( rect.width() > area.width()) rect.setWidth( area.width()); if( rect.width() >= area.width() / 2 ) { if( old_diff < 0 ) rect.setLeft( area.left() + ( -old_diff - 1 ) ); else // old_diff > 0 rect.setRight( area.right() - ( old_diff - 1 )); } } 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 )); } // this isResizable() block is copied from above, the difference is // the condition with 'area.width() / 2' - for windows that are not wide, // moving is preffered to resizing 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.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 )); return sizeForClientSize( wsize, mode ); } /*! 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 ) const { int w = wsize.width(); int h = wsize.height(); 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 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; 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: { ASPECT_CHECK_SHRINK_H_GROW_W ASPECT_CHECK_SHRINK_W_GROW_H ASPECT_CHECK_GROW_H ASPECT_CHECK_GROW_W break; } 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; } case SizemodeShaded: 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; } w += border_left + border_right; h += border_top + border_bottom; QSize ret = rules()->checkSize( QSize( w, h )); if ( mode == SizemodeShaded && wsize.height() == 0 ) ret.setHeight( border_top + border_bottom ); return ret; } /*! Gets the client's normal WM hints and reconfigures itself respectively. */ void Client::getWmNormalHints() { long msize; if (XGetWMNormalHints(qt_xdisplay(), window(), &xSizeHint, &msize) == 0 ) xSizeHint.flags = 0; // set defined values for the fields, even if they're not in flags // basesize is just like minsize, except for minsize is not used for aspect ratios // keep basesize only for aspect ratios, for size increments, keep the base // value in minsize - see ICCCM 4.1.2.3 if( xSizeHint.flags & PBaseSize ) { if( ! ( xSizeHint.flags & PMinSize )) // PBaseSize and PMinSize are equivalent { 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 & PMinSize )) xSizeHint.min_width = xSizeHint.min_height = 0; if( ! ( xSizeHint.flags & PMaxSize )) xSizeHint.max_width = xSizeHint.max_height = INT_MAX; if( xSizeHint.flags & PResizeInc ) { xSizeHint.width_inc = kMax( xSizeHint.width_inc, 1 ); xSizeHint.height_inc = kMax( 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 = kMax( xSizeHint.min_aspect.y, 1 ); xSizeHint.max_aspect.y = kMax( 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( size()); if( new_size != size() && !isShade()) // SHADE resizeWithChecks( new_size ); } 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( qt_xdisplay(), 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 ) { 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 ) { 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()) { resetMaximize(); ++block_geometry; move( new_pos ); plainResize( ns ); // TODO must(?) resize before gravitating? --block_geometry; setGeometry( QRect( calculateGravitation( false, gravity ), size()), ForceGeometrySet ); // 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 { if ( isShade()) // SELI SHADE setShade( ShadeNone ); 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 { resetMaximize(); int save_gravity = xSizeHint.win_gravity; xSizeHint.win_gravity = gravity; resizeWithChecks( ns ); xSizeHint.win_gravity = save_gravity; } } // 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 ) { 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 ); } /*! Returns whether the window is moveable or has a fixed position. */ bool Client::isMovable() const { if( !motif_may_move || isFullScreen()) return false; if( isSpecialWindow() && !isOverride() && !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 { if ( maximizeMode() != MaximizeRestore ) return TRUE; if( !isMovable() || !isResizable() || isToolbar()) // SELI isToolbar() ? return false; QSize max = maxSize(); if( max.width() < 32767 || max.height() < 32767 ) // sizes are 16bit with X return false; 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 ) { if( force == NormalGeometrySet && frame_geometry == QRect( x, y, w, h )) return; frame_geometry = QRect( x, y, w, h ); if( !isShade()) client_size = QSize( w - border_left - border_right, h - border_top - border_bottom ); else { // check that the frame is not resized to full size when it should be shaded if( !shade_geometry_change && h != border_top + border_bottom ) { kdDebug() << "h:" << h << ":t:" << border_top << ":b:" << border_bottom << endl; assert( false ); } client_size = QSize( w - border_left - border_right, client_size.height()); } updateWorkareaDiffs(); if( block_geometry == 0 ) { XMoveResizeWindow( qt_xdisplay(), frameId(), x, y, w, h ); resizeDecoration( QSize( w, h )); if( !isShade()) { QSize cs = clientSize(); XMoveResizeWindow( qt_xdisplay(), wrapperId(), clientPos().x(), clientPos().y(), cs.width(), cs.height()); // FRAME tady poradi tak, at neni flicker XMoveResizeWindow( qt_xdisplay(), window(), 0, 0, cs.width(), cs.height()); } if( shape()) updateShape(); // SELI TODO won't this be too expensive? updateWorkareaDiffs(); sendSyntheticConfigureNotify(); updateWindowRules(); } } void Client::plainResize( int w, int h, ForceGeometry_t force ) { if( QSize( w, h ) != rules()->checkSize( QSize( w, h ))) { kdDebug() << "forced size fail:" << QSize( w,h ) << ":" << rules()->checkSize( QSize( w, h )) << endl; kdDebug() << kdBacktrace() << endl; } if( force == NormalGeometrySet && frame_geometry.size() == QSize( w, h )) return; frame_geometry.setSize( QSize( w, h )); if( !isShade()) client_size = QSize( w - border_left - border_right, h - border_top - border_bottom ); else { // check that the frame is not resized to full size when it should be shaded if( !shade_geometry_change && h != border_top + border_bottom ) { kdDebug() << "h:" << h << ":t:" << border_top << ":b:" << border_bottom << endl; assert( false ); } client_size = QSize( w - border_left - border_right, client_size.height()); } updateWorkareaDiffs(); if( block_geometry == 0 ) { // FRAME tady poradi tak, at neni flicker XResizeWindow( qt_xdisplay(), frameId(), w, h ); resizeDecoration( QSize( w, h )); if( !isShade()) { QSize cs = clientSize(); XMoveResizeWindow( qt_xdisplay(), wrapperId(), clientPos().x(), clientPos().y(), cs.width(), cs.height()); XMoveResizeWindow( qt_xdisplay(), window(), 0, 0, cs.width(), cs.height()); } if( shape()) updateShape(); updateWorkareaDiffs(); sendSyntheticConfigureNotify(); updateWindowRules(); } } /*! 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( block_geometry == 0 ) { XMoveWindow( qt_xdisplay(), frameId(), x, y ); sendSyntheticConfigureNotify(); updateWindowRules(); } } 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; ++block_geometry; // TODO GeometryBlocker class? if( isShade()) // SELI SHADE setShade( ShadeNone ); 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 ); } // maximing one way and unmaximizing the other way shouldn't happen Q_ASSERT( !( vertical && horizontal ) || (( max_mode & MaximizeVertical != 0 ) == ( max_mode & MaximizeHorizontal != 0 ))); // save sizes for restoring, if maximalizing bool maximalizing = false; if( vertical && !(old_mode & MaximizeVertical )) { geom_restore.setTop( y()); geom_restore.setHeight( height()); maximalizing = true; } if( horizontal && !( old_mode & MaximizeHorizontal )) { geom_restore.setLeft( x()); geom_restore.setWidth( width()); maximalizing = true; } if( !adjust ) { if( maximalizing ) 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 ); QRect clientArea = workspace()->clientArea( MaximizeArea, this ); 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: { QSize adjSize = adjustedSize(clientArea.size(), SizemodeMax ); QRect r = QRect(clientArea.topLeft(), adjSize); setGeometry( r ); info->setState( NET::Max, NET::Max ); break; } default: break; } --block_geometry; setGeometry( geometry(), ForceGeometrySet ); updateAllowedActions(); if( decoration != NULL ) decoration->maximizeChange(); } 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 ); setGeometry( geometry(), ForceGeometrySet ); if( decoration != NULL ) decoration->maximizeChange(); } bool Client::isFullScreenable( bool fullscreen_hack ) const { if( fullscreen_hack ) return isNormalWindow() || isOverride(); else // 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 { return isNormalWindow() && fullscreen_mode != FullScreenHack && ( isMaximizable() || isFullScreen()); // isMaximizable() is false for isFullScreen() } void Client::setFullScreen( bool set, bool user ) { if( !isFullScreen() && !set ) return; if( fullscreen_mode == FullScreenHack ) return; if( user && !userCanSetFullScreen()) return; setShade( ShadeNone ); bool was_fs = isFullScreen(); if( !was_fs ) geom_fs_restore = geometry(); fullscreen_mode = set ? FullScreenNormal : FullScreenNone; if( was_fs == isFullScreen()) return; StackingUpdatesBlocker blocker( workspace()); 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( maximizeMode() != MaximizeRestore ) changeMaximize( false, false, true ); // adjust size else if( !geom_fs_restore.isNull()) setGeometry( geom_fs_restore ); // TODO isShaded() ? else { // does this ever happen? setGeometry( workspace()->clientArea( MaximizeArea, this )); } } } 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.setRasterOp( Qt::XorROP ); p.drawRect( geom ); } 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() && options->moveMode != Options::Opaque ) || ( isResize() && 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( qt_xdisplay(), workspace()->rootWin(), r.x(), r.y(), r.width(), r.height(), 0, CopyFromParent, InputOnly, CopyFromParent, 0, &attrs ); XMapRaised( qt_xdisplay(), move_resize_grab_window ); if( XGrabPointer( qt_xdisplay(), move_resize_grab_window, False, ButtonPressMask | ButtonReleaseMask | PointerMotionMask | EnterWindowMask | LeaveWindowMask, GrabModeAsync, GrabModeAsync, None, cursor.handle(), qt_x_time ) == Success ) has_grab = true; if( XGrabKeyboard( qt_xdisplay(), frameId(), False, GrabModeAsync, GrabModeAsync, qt_x_time ) == Success ) has_grab = true; if( !has_grab ) // at least one grab is necessary in order to be able to finish move/resize { XDestroyWindow( qt_xdisplay(), 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() && options->moveMode != Options::Opaque ) || ( isResize() && 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 ); // FRAME update(); Notify::raise( isResize() ? Notify::ResizeEnd : Notify::MoveEnd ); } void Client::leaveMoveResize() { clearbound(); if (geometryTip) { geometryTip->hide(); delete geometryTip; geometryTip = NULL; } if ( ( isMove() && options->moveMode != Options::Opaque ) || ( isResize() && options->resizeMode != Options::Opaque ) ) ungrabXServer(); XUngrabKeyboard( qt_xdisplay(), qt_x_time ); XUngrabPointer( qt_xdisplay(), qt_x_time ); XDestroyWindow( qt_xdisplay(), 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 = KMIN( 100 + border_right, moveResizeGeom.width()); right_marge = KMIN( 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 ) // SHADE 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 = KMIN( 100 + border_right, moveResizeGeom.width()); right_marge = KMIN( 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; } // TODO snap // 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(( isResize() ? options->resizeMode : options->moveMode ) == Options::Opaque ) { setGeometry( moveResizeGeom ); positionGeometryTip(); } else if(( 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, qt_x_time); } } // namespace