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Diffstat (limited to 'twin/events.cpp')
| -rw-r--r-- | twin/events.cpp | 1784 |
1 files changed, 1784 insertions, 0 deletions
diff --git a/twin/events.cpp b/twin/events.cpp new file mode 100644 index 000000000..45f4f6e35 --- /dev/null +++ b/twin/events.cpp @@ -0,0 +1,1784 @@ +/***************************************************************** + KWin - the KDE window manager + This file is part of the KDE project. + +Copyright (C) 1999, 2000 Matthias Ettrich <ettrich@kde.org> +Copyright (C) 2003 Lubos Lunak <l.lunak@kde.org> + +You can Freely distribute this program under the GNU General Public +License. See the file "COPYING" for the exact licensing terms. +******************************************************************/ + +/* + + This file contains things relevant to handling incoming events. + +*/ + +#include "client.h" +#include "workspace.h" +#include "atoms.h" +#include "tabbox.h" +#include "group.h" +#include "rules.h" + +#include <tqwhatsthis.h> +#include <kkeynative.h> +#include <tqapplication.h> + +#include <X11/extensions/shape.h> +#include <X11/Xatom.h> +#include <stdlib.h> + +extern Atom qt_window_role; + +namespace KWinInternal +{ + +// **************************************** +// WinInfo +// **************************************** + +WinInfo::WinInfo( Client * c, Display * display, Window window, + Window rwin, const unsigned long pr[], int pr_size ) + : NETWinInfo( display, window, rwin, pr, pr_size, NET::WindowManager ), m_client( c ) + { + } + +void WinInfo::changeDesktop(int desktop) + { + m_client->workspace()->sendClientToDesktop( m_client, desktop, true ); + } + +void WinInfo::changeState( unsigned long state, unsigned long mask ) + { + mask &= ~NET::Sticky; // KWin doesn't support large desktops, ignore + mask &= ~NET::Hidden; // clients are not allowed to change this directly + state &= mask; // for safety, clear all other bits + + if(( mask & NET::FullScreen ) != 0 && ( state & NET::FullScreen ) == 0 ) + m_client->setFullScreen( false, false ); + if ( (mask & NET::Max) == NET::Max ) + m_client->setMaximize( state & NET::MaxVert, state & NET::MaxHoriz ); + else if ( mask & NET::MaxVert ) + m_client->setMaximize( state & NET::MaxVert, m_client->maximizeMode() & Client::MaximizeHorizontal ); + else if ( mask & NET::MaxHoriz ) + m_client->setMaximize( m_client->maximizeMode() & Client::MaximizeVertical, state & NET::MaxHoriz ); + + if ( mask & NET::Shaded ) + m_client->setShade( state & NET::Shaded ? ShadeNormal : ShadeNone ); + if ( mask & NET::KeepAbove) + m_client->setKeepAbove( (state & NET::KeepAbove) != 0 ); + if ( mask & NET::KeepBelow) + m_client->setKeepBelow( (state & NET::KeepBelow) != 0 ); + if( mask & NET::SkipTaskbar ) + m_client->setSkipTaskbar( ( state & NET::SkipTaskbar ) != 0, true ); + if( mask & NET::SkipPager ) + m_client->setSkipPager( ( state & NET::SkipPager ) != 0 ); + if( mask & NET::DemandsAttention ) + m_client->demandAttention(( state & NET::DemandsAttention ) != 0 ); + if( mask & NET::Modal ) + m_client->setModal( ( state & NET::Modal ) != 0 ); + // unsetting fullscreen first, setting it last (because e.g. maximize works only for !isFullScreen() ) + if(( mask & NET::FullScreen ) != 0 && ( state & NET::FullScreen ) != 0 ) + m_client->setFullScreen( true, false ); + } + + +// **************************************** +// RootInfo +// **************************************** + +RootInfo::RootInfo( Workspace* ws, Display *dpy, Window w, const char *name, unsigned long pr[], int pr_num, int scr ) + : NETRootInfo4( dpy, w, name, pr, pr_num, scr ) + { + workspace = ws; + } + +void RootInfo::changeNumberOfDesktops(int n) + { + workspace->setNumberOfDesktops( n ); + } + +void RootInfo::changeCurrentDesktop(int d) + { + workspace->setCurrentDesktop( d ); + } + +void RootInfo::changeActiveWindow( Window w, NET::RequestSource src, Time timestamp, Window active_window ) + { + if( Client* c = workspace->findClient( WindowMatchPredicate( w ))) + { + if( timestamp == CurrentTime ) + timestamp = c->userTime(); + if( src != NET::FromApplication && src != FromTool ) + src = NET::FromTool; + if( src == NET::FromTool ) + workspace->activateClient( c, true ); // force + else // NET::FromApplication + { + Client* c2; + if( workspace->allowClientActivation( c, timestamp )) + workspace->activateClient( c ); + // if activation of the requestor's window would be allowed, allow activation too + else if( active_window != None + && ( c2 = workspace->findClient( WindowMatchPredicate( active_window ))) != NULL + && workspace->allowClientActivation( c2, + timestampCompare( timestamp, c2->userTime() > 0 ? timestamp : c2->userTime()))) + workspace->activateClient( c ); + else + c->demandAttention(); + } + } + } + +void RootInfo::restackWindow( Window w, RequestSource src, Window above, int detail, Time timestamp ) + { + if( Client* c = workspace->findClient( WindowMatchPredicate( w ))) + { + if( timestamp == CurrentTime ) + timestamp = c->userTime(); + if( src != NET::FromApplication && src != FromTool ) + src = NET::FromTool; + c->restackWindow( above, detail, src, timestamp, true ); + } + } + +void RootInfo::gotTakeActivity( Window w, Time timestamp, long flags ) + { + if( Client* c = workspace->findClient( WindowMatchPredicate( w ))) + workspace->handleTakeActivity( c, timestamp, flags ); + } + +void RootInfo::closeWindow(Window w) + { + Client* c = workspace->findClient( WindowMatchPredicate( w )); + if ( c ) + c->closeWindow(); + } + +void RootInfo::moveResize(Window w, int x_root, int y_root, unsigned long direction) + { + Client* c = workspace->findClient( WindowMatchPredicate( w )); + if ( c ) + { + updateXTime(); // otherwise grabbing may have old timestamp - this message should include timestamp + c->NETMoveResize( x_root, y_root, (Direction)direction); + } + } + +void RootInfo::moveResizeWindow(Window w, int flags, int x, int y, int width, int height ) + { + Client* c = workspace->findClient( WindowMatchPredicate( w )); + if ( c ) + c->NETMoveResizeWindow( flags, x, y, width, height ); + } + +void RootInfo::gotPing( Window w, Time timestamp ) + { + if( Client* c = workspace->findClient( WindowMatchPredicate( w ))) + c->gotPing( timestamp ); + } + +void RootInfo::changeShowingDesktop( bool showing ) + { + workspace->setShowingDesktop( showing ); + } + +// **************************************** +// Workspace +// **************************************** + +/*! + Handles workspace specific XEvents + */ +bool Workspace::workspaceEvent( XEvent * e ) + { + if ( mouse_emulation && (e->type == ButtonPress || e->type == ButtonRelease ) ) + { + mouse_emulation = FALSE; + XUngrabKeyboard( qt_xdisplay(), GET_QT_X_TIME() ); + } + + if( e->type == PropertyNotify || e->type == ClientMessage ) + { + unsigned long dirty[ NETRootInfo::PROPERTIES_SIZE ]; + rootInfo->event( e, dirty, NETRootInfo::PROPERTIES_SIZE ); + if( dirty[ NETRootInfo::PROTOCOLS ] & NET::DesktopNames ) + saveDesktopSettings(); + if( dirty[ NETRootInfo::PROTOCOLS2 ] & NET::WM2DesktopLayout ) + updateDesktopLayout(); + } + + // events that should be handled before Clients can get them + switch (e->type) + { + case ButtonPress: + case ButtonRelease: + was_user_interaction = true; + // fallthrough + case MotionNotify: + if ( tab_grab || control_grab ) + { + tab_box->handleMouseEvent( e ); + return TRUE; + } + break; + case KeyPress: + { + was_user_interaction = true; + KKeyNative keyX( (XEvent*)e ); + uint keyQt = keyX.keyCodeQt(); + kdDebug(125) << "Workspace::keyPress( " << keyX.key().toString() << " )" << endl; + if (movingClient) + { + movingClient->keyPressEvent(keyQt); + return true; + } + if( tab_grab || control_grab ) + { + tabBoxKeyPress( keyX ); + return true; + } + break; + } + case KeyRelease: + was_user_interaction = true; + if( tab_grab || control_grab ) + { + tabBoxKeyRelease( e->xkey ); + return true; + } + break; + }; + + if( Client* c = findClient( WindowMatchPredicate( e->xany.window ))) + { + if( c->windowEvent( e )) + return true; + } + else if( Client* c = findClient( WrapperIdMatchPredicate( e->xany.window ))) + { + if( c->windowEvent( e )) + return true; + } + else if( Client* c = findClient( FrameIdMatchPredicate( e->xany.window ))) + { + if( c->windowEvent( e )) + return true; + } + else + { + Window special = findSpecialEventWindow( e ); + if( special != None ) + if( Client* c = findClient( WindowMatchPredicate( special ))) + { + if( c->windowEvent( e )) + return true; + } + } + if( movingClient != NULL && movingClient->moveResizeGrabWindow() == e->xany.window + && ( e->type == MotionNotify || e->type == ButtonPress || e->type == ButtonRelease )) + { + if( movingClient->windowEvent( e )) + return true; + } + + switch (e->type) + { + case CreateNotify: + if ( e->xcreatewindow.parent == root && + !TQWidget::find( e->xcreatewindow.window) && + !e->xcreatewindow.override_redirect ) + { + // see comments for allowClientActivation() + Time my_qtx_time = GET_QT_X_TIME(); + XChangeProperty(qt_xdisplay(), e->xcreatewindow.window, + atoms->kde_net_wm_user_creation_time, XA_CARDINAL, + 32, PropModeReplace, (unsigned char *)&my_qtx_time, 1); + SET_QT_X_TIME(my_qtx_time); + } + break; + + case UnmapNotify: + { + // check for system tray windows + if ( removeSystemTrayWin( e->xunmap.window, true ) ) + { + // If the system tray gets destroyed, the system tray + // icons automatically get unmapped, reparented and mapped + // again to the closest non-client ancestor due to + // QXEmbed's SaveSet feature. Unfortunatly with kicker + // this closest ancestor is not the root window, but our + // decoration, so we reparent explicitely back to the root + // window. + XEvent ev; + WId w = e->xunmap.window; + if ( XCheckTypedWindowEvent (qt_xdisplay(), w, + ReparentNotify, &ev) ) + { + if ( ev.xreparent.parent != root ) + { + XReparentWindow( qt_xdisplay(), w, root, 0, 0 ); + addSystemTrayWin( w ); + } + } + return TRUE; + } + + return ( e->xunmap.event != e->xunmap.window ); // hide wm typical event from Qt + } + case MapNotify: + + return ( e->xmap.event != e->xmap.window ); // hide wm typical event from Qt + + case ReparentNotify: + { + //do not confuse Qt with these events. After all, _we_ are the + //window manager who does the reparenting. + return TRUE; + } + case DestroyNotify: + { + if ( removeSystemTrayWin( e->xdestroywindow.window, false ) ) + return TRUE; + return false; + } + case MapRequest: + { + updateXTime(); + + // e->xmaprequest.window is different from e->xany.window + // TODO this shouldn't be necessary now + Client* c = findClient( WindowMatchPredicate( e->xmaprequest.window )); + if ( !c ) + { +// don't check for the parent being the root window, this breaks when some app unmaps +// a window, changes something and immediately maps it back, without giving KWin +// a chance to reparent it back to root +// since KWin can get MapRequest only for root window children and +// children of WindowWrapper (=clients), the check is AFAIK useless anyway +// Note: Now the save-set support in Client::mapRequestEvent() actually requires that +// this code doesn't check the parent to be root. +// if ( e->xmaprequest.parent == root ) { //###TODO store previously destroyed client ids + if ( addSystemTrayWin( e->xmaprequest.window ) ) + return TRUE; + c = createClient( e->xmaprequest.window, false ); + if ( c != NULL && root != qt_xrootwin() ) + { // TODO what is this? + // TODO may use TQWidget::create + XReparentWindow( qt_xdisplay(), c->frameId(), root, 0, 0 ); + } + if( c == NULL ) // refused to manage, simply map it (most probably override redirect) + XMapRaised( qt_xdisplay(), e->xmaprequest.window ); + return true; + } + if( c ) + { + c->windowEvent( e ); + updateFocusChains( c, FocusChainUpdate ); + return true; + } + break; + } + case EnterNotify: + { + if ( TQWhatsThis::inWhatsThisMode() ) + { + TQWidget* w = TQWidget::find( e->xcrossing.window ); + if ( w ) + TQWhatsThis::leaveWhatsThisMode(); + } + if( electricBorder(e)) + return true; + break; + } + case LeaveNotify: + { + if ( !TQWhatsThis::inWhatsThisMode() ) + break; + // TODO is this cliente ever found, given that client events are searched above? + Client* c = findClient( FrameIdMatchPredicate( e->xcrossing.window )); + if ( c && e->xcrossing.detail != NotifyInferior ) + TQWhatsThis::leaveWhatsThisMode(); + break; + } + case ConfigureRequest: + { + if ( e->xconfigurerequest.parent == root ) + { + XWindowChanges wc; + wc.border_width = e->xconfigurerequest.border_width; + wc.x = e->xconfigurerequest.x; + wc.y = e->xconfigurerequest.y; + wc.width = e->xconfigurerequest.width; + wc.height = e->xconfigurerequest.height; + wc.sibling = None; + wc.stack_mode = Above; + unsigned int value_mask = e->xconfigurerequest.value_mask + & ( CWX | CWY | CWWidth | CWHeight | CWBorderWidth ); + XConfigureWindow( qt_xdisplay(), e->xconfigurerequest.window, value_mask, &wc ); + return true; + } + break; + } + case KeyPress: + if ( mouse_emulation ) + return keyPressMouseEmulation( e->xkey ); + break; + case KeyRelease: + if ( mouse_emulation ) + return FALSE; + break; + case FocusIn: + if( e->xfocus.window == rootWin() && TQCString( getenv("KDE_MULTIHEAD")).lower() != "true" + && ( e->xfocus.detail == NotifyDetailNone || e->xfocus.detail == NotifyPointerRoot )) + { + updateXTime(); // focusToNull() uses qt_x_time, which is old now (FocusIn has no timestamp) + Window focus; + int revert; + XGetInputFocus( qt_xdisplay(), &focus, &revert ); + if( focus == None || focus == PointerRoot ) + { + //kdWarning( 1212 ) << "X focus set to None/PointerRoot, reseting focus" << endl; + Client *c = mostRecentlyActivatedClient(); + if( c != NULL ) + requestFocus( c, true ); + else if( activateNextClient( NULL )) + ; // ok, activated + else + focusToNull(); + } + } + // fall through + case FocusOut: + return true; // always eat these, they would tell Qt that KWin is the active app + case ClientMessage: + if( electricBorder( e )) + return true; + break; + default: + break; + } + return FALSE; + } + +// Some events don't have the actual window which caused the event +// as e->xany.window (e.g. ConfigureRequest), but as some other +// field in the XEvent structure. +Window Workspace::findSpecialEventWindow( XEvent* e ) + { + switch( e->type ) + { + case CreateNotify: + return e->xcreatewindow.window; + case DestroyNotify: + return e->xdestroywindow.window; + case UnmapNotify: + return e->xunmap.window; + case MapNotify: + return e->xmap.window; + case MapRequest: + return e->xmaprequest.window; + case ReparentNotify: + return e->xreparent.window; + case ConfigureNotify: + return e->xconfigure.window; + case GravityNotify: + return e->xgravity.window; + case ConfigureRequest: + return e->xconfigurerequest.window; + case CirculateNotify: + return e->xcirculate.window; + case CirculateRequest: + return e->xcirculaterequest.window; + default: + return None; + }; + } + +// **************************************** +// Client +// **************************************** + +/*! + General handler for XEvents concerning the client window + */ +bool Client::windowEvent( XEvent* e ) + { + if( e->xany.window == window()) // avoid doing stuff on frame or wrapper + { + unsigned long dirty[ 2 ]; + info->event( e, dirty, 2 ); // pass through the NET stuff + + if ( ( dirty[ WinInfo::PROTOCOLS ] & NET::WMName ) != 0 ) + fetchName(); + if ( ( dirty[ WinInfo::PROTOCOLS ] & NET::WMIconName ) != 0 ) + fetchIconicName(); + if ( ( dirty[ WinInfo::PROTOCOLS ] & NET::WMStrut ) != 0 + || ( dirty[ WinInfo::PROTOCOLS2 ] & NET::WM2ExtendedStrut ) != 0 ) + { + if( isTopMenu()) // the fallback mode of KMenuBar may alter the strut + checkWorkspacePosition(); // restore it + workspace()->updateClientArea(); + } + if ( ( dirty[ WinInfo::PROTOCOLS ] & NET::WMIcon) != 0 ) + getIcons(); + // Note there's a difference between userTime() and info->userTime() + // info->userTime() is the value of the property, userTime() also includes + // updates of the time done by KWin (ButtonPress on windowrapper etc.). + if(( dirty[ WinInfo::PROTOCOLS2 ] & NET::WM2UserTime ) != 0 ) + { + workspace()->setWasUserInteraction(); + updateUserTime( info->userTime()); + } + if(( dirty[ WinInfo::PROTOCOLS2 ] & NET::WM2StartupId ) != 0 ) + startupIdChanged(); + if( dirty[ WinInfo::PROTOCOLS ] & NET::WMIconGeometry ) + { + if( demandAttentionKNotifyTimer != NULL ) + demandAttentionKNotify(); + } + } + +// TODO move all focus handling stuff to separate file? + switch (e->type) + { + case UnmapNotify: + unmapNotifyEvent( &e->xunmap ); + break; + case DestroyNotify: + destroyNotifyEvent( &e->xdestroywindow ); + break; + case MapRequest: + // this one may pass the event to workspace + return mapRequestEvent( &e->xmaprequest ); + case ConfigureRequest: + configureRequestEvent( &e->xconfigurerequest ); + break; + case PropertyNotify: + propertyNotifyEvent( &e->xproperty ); + break; + case KeyPress: + updateUserTime(); + workspace()->setWasUserInteraction(); + break; + case ButtonPress: + updateUserTime(); + workspace()->setWasUserInteraction(); + buttonPressEvent( e->xbutton.window, e->xbutton.button, e->xbutton.state, + e->xbutton.x, e->xbutton.y, e->xbutton.x_root, e->xbutton.y_root ); + break; + case KeyRelease: + // don't update user time on releases + // e.g. if the user presses Alt+F2, the Alt release + // would appear as user input to the currently active window + break; + case ButtonRelease: + // don't update user time on releases + // e.g. if the user presses Alt+F2, the Alt release + // would appear as user input to the currently active window + buttonReleaseEvent( e->xbutton.window, e->xbutton.button, e->xbutton.state, + e->xbutton.x, e->xbutton.y, e->xbutton.x_root, e->xbutton.y_root ); + break; + case MotionNotify: + motionNotifyEvent( e->xmotion.window, e->xmotion.state, + e->xmotion.x, e->xmotion.y, e->xmotion.x_root, e->xmotion.y_root ); + workspace()->updateFocusMousePosition( TQPoint( e->xmotion.x_root, e->xmotion.y_root )); + break; + case EnterNotify: + enterNotifyEvent( &e->xcrossing ); + // MotionNotify is guaranteed to be generated only if the mouse + // move start and ends in the window; for cases when it only + // starts or only ends there, Enter/LeaveNotify are generated. + // Fake a MotionEvent in such cases to make handle of mouse + // events simpler (Qt does that too). + motionNotifyEvent( e->xcrossing.window, e->xcrossing.state, + e->xcrossing.x, e->xcrossing.y, e->xcrossing.x_root, e->xcrossing.y_root ); + workspace()->updateFocusMousePosition( TQPoint( e->xcrossing.x_root, e->xcrossing.y_root )); + break; + case LeaveNotify: + motionNotifyEvent( e->xcrossing.window, e->xcrossing.state, + e->xcrossing.x, e->xcrossing.y, e->xcrossing.x_root, e->xcrossing.y_root ); + leaveNotifyEvent( &e->xcrossing ); + // not here, it'd break following enter notify handling + // workspace()->updateFocusMousePosition( TQPoint( e->xcrossing.x_root, e->xcrossing.y_root )); + break; + case FocusIn: + focusInEvent( &e->xfocus ); + break; + case FocusOut: + focusOutEvent( &e->xfocus ); + break; + case ReparentNotify: + break; + case ClientMessage: + clientMessageEvent( &e->xclient ); + break; + case ColormapChangeMask: + if( e->xany.window == window()) + { + cmap = e->xcolormap.colormap; + if ( isActive() ) + workspace()->updateColormap(); + } + break; + default: + if( e->xany.window == window()) + { + if( e->type == Shape::tqshapeEvent() ) + { + is_tqshape = Shape::hasShape( window()); // workaround for #19644 + updateShape(); + } + } + break; + } + return true; // eat all events + } + +/*! + Handles map requests of the client window + */ +bool Client::mapRequestEvent( XMapRequestEvent* e ) + { + if( e->window != window()) + { + // Special support for the save-set feature, which is a bit broken. + // If there's a window from one client embedded in another one, + // e.g. using XEMBED, and the embedder suddenly looses its X connection, + // save-set will reparent the embedded window to its closest ancestor + // that will remains. Unfortunately, with reparenting window managers, + // this is not the root window, but the frame (or in KWin's case, + // it's the wrapper for the client window). In this case, + // the wrapper will get ReparentNotify for a window it won't know, + // which will be ignored, and then it gets MapRequest, as save-set + // always maps. Returning true here means that Workspace::workspaceEvent() + // will handle this MapRequest and manage this window (i.e. act as if + // it was reparented to root window). + if( e->parent == wrapperId()) + return false; + return true; // no messing with frame etc. + } + if( isTopMenu() && workspace()->managingTopMenus()) + return true; // twin controls these + switch ( mappingState() ) + { + case WithdrawnState: + assert( false ); // WMs are not supposed to manage clients in Withdrawn state, +// manage(); // after initial mapping manage() is called from createClient() + break; + case IconicState: + // also copied in clientMessage() + if( isMinimized()) + unminimize(); + if( isShade()) + setShade( ShadeNone ); + if( !isOnCurrentDesktop()) + { + if( workspace()->allowClientActivation( this )) + workspace()->activateClient( this ); + else + demandAttention(); + } + break; + case NormalState: + // TODO fake MapNotify? + break; + } + return true; + } + +/*! + Handles unmap notify events of the client window + */ +void Client::unmapNotifyEvent( XUnmapEvent* e ) + { + if( e->window != window()) + return; + if( e->event != wrapperId()) + { // most probably event from root window when initially reparenting + bool ignore = true; + if( e->event == workspace()->rootWin() && e->send_event ) + ignore = false; // XWithdrawWindow() + if( ignore ) + return; + } + switch( mappingState()) + { + case IconicState: + releaseWindow(); + return; + case NormalState: + // maybe we will be destroyed soon. Check this first. + XEvent ev; + if( XCheckTypedWindowEvent (qt_xdisplay(), window(), + DestroyNotify, &ev) ) // TODO I don't like this much + { + destroyClient(); // deletes this + return; + } + releaseWindow(); + break; + default: + assert( false ); + } + } + +void Client::destroyNotifyEvent( XDestroyWindowEvent* e ) + { + if( e->window != window()) + return; + destroyClient(); + } + + +bool blockAnimation = FALSE; + +/*! + Handles client messages for the client window +*/ +void Client::clientMessageEvent( XClientMessageEvent* e ) + { + if( e->window != window()) + return; // ignore frame/wrapper + // WM_STATE + if ( e->message_type == atoms->kde_wm_change_state ) + { + if( isTopMenu() && workspace()->managingTopMenus()) + return; // twin controls these + if( e->data.l[ 1 ] ) + blockAnimation = true; + if( e->data.l[ 0 ] == IconicState ) + minimize(); + else if( e->data.l[ 0 ] == NormalState ) + { // copied from mapRequest() + if( isMinimized()) + unminimize(); + if( isShade()) + setShade( ShadeNone ); + if( !isOnCurrentDesktop()) + { + if( workspace()->allowClientActivation( this )) + workspace()->activateClient( this ); + else + demandAttention(); + } + } + blockAnimation = false; + } + else if ( e->message_type == atoms->wm_change_state) + { + if( isTopMenu() && workspace()->managingTopMenus()) + return; // twin controls these + if ( e->data.l[0] == IconicState ) + minimize(); + return; + } + } + + +/*! + Handles configure requests of the client window + */ +void Client::configureRequestEvent( XConfigureRequestEvent* e ) + { + if( e->window != window()) + return; // ignore frame/wrapper + if ( isResize() || isMove()) + return; // we have better things to do right now + + if( fullscreen_mode == FullScreenNormal ) // refuse resizing of fullscreen windows + { // but allow resizing fullscreen hacks in order to let them cancel fullscreen mode + sendSyntheticConfigureNotify(); + return; + } + if( isSplash() // no manipulations with splashscreens either + || isTopMenu()) // topmenus neither + { + sendSyntheticConfigureNotify(); + return; + } + + if ( e->value_mask & CWBorderWidth ) + { + // first, get rid of a window border + XWindowChanges wc; + unsigned int value_mask = 0; + + wc.border_width = 0; + value_mask = CWBorderWidth; + XConfigureWindow( qt_xdisplay(), window(), value_mask, & wc ); + } + + if( e->value_mask & ( CWX | CWY | CWHeight | CWWidth )) + configureRequest( e->value_mask, e->x, e->y, e->width, e->height, 0, false ); + + if ( e->value_mask & CWStackMode ) + restackWindow( e->above, e->detail, NET::FromApplication, userTime(), false ); + + // TODO sending a synthetic configure notify always is fine, even in cases where + // the ICCCM doesn't require this - it can be though of as 'the WM decided to move + // the window later'. The client should not cause that many configure request, + // so this should not have any significant impact. With user moving/resizing + // the it should be optimized though (see also Client::setGeometry()/plainResize()/move()). + sendSyntheticConfigureNotify(); + + // SELI TODO accept configure requests for isDesktop windows (because kdesktop + // may get XRANDR resize event before twin), but check it's still at the bottom? + } + + +/*! + Handles property changes of the client window + */ +void Client::propertyNotifyEvent( XPropertyEvent* e ) + { + if( e->window != window()) + return; // ignore frame/wrapper + switch ( e->atom ) + { + case XA_WM_NORMAL_HINTS: + getWmNormalHints(); + break; + case XA_WM_NAME: + fetchName(); + break; + case XA_WM_ICON_NAME: + fetchIconicName(); + break; + case XA_WM_TRANSIENT_FOR: + readTransient(); + break; + case XA_WM_HINTS: + getWMHints(); + getIcons(); // because KWin::icon() uses WMHints as fallback + break; + default: + if ( e->atom == atoms->wm_protocols ) + getWindowProtocols(); + else if (e->atom == atoms->wm_client_leader ) + getWmClientLeader(); + else if( e->atom == qt_window_role ) + window_role = staticWindowRole( window()); + else if( e->atom == atoms->motif_wm_hints ) + getMotifHints(); + break; + } + } + + +void Client::enterNotifyEvent( XCrossingEvent* e ) + { + if( e->window != frameId()) + return; // care only about entering the whole frame + if( e->mode == NotifyNormal || + ( !options->focusPolicyIsReasonable() && + e->mode == NotifyUngrab ) ) + { + + if (options->shadeHover && isShade()) + { + delete shadeHoverTimer; + shadeHoverTimer = new TQTimer( this ); + connect( shadeHoverTimer, TQT_SIGNAL( timeout() ), this, TQT_SLOT( shadeHover() )); + shadeHoverTimer->start( options->shadeHoverInterval, TRUE ); + } + + if ( options->focusPolicy == Options::ClickToFocus ) + return; + + if ( options->autoRaise && !isDesktop() && + !isDock() && !isTopMenu() && workspace()->focusChangeEnabled() && + workspace()->topClientOnDesktop( workspace()->currentDesktop()) != this ) + { + delete autoRaiseTimer; + autoRaiseTimer = new TQTimer( this ); + connect( autoRaiseTimer, TQT_SIGNAL( timeout() ), this, TQT_SLOT( autoRaise() ) ); + autoRaiseTimer->start( options->autoRaiseInterval, TRUE ); + } + + TQPoint currentPos( e->x_root, e->y_root ); + if ( options->focusPolicy != Options::FocusStrictlyUnderMouse && ( isDesktop() || isDock() || isTopMenu() ) ) + return; + // for FocusFollowsMouse, change focus only if the mouse has actually been moved, not if the focus + // change came because of window changes (e.g. closing a window) - #92290 + if( options->focusPolicy != Options::FocusFollowsMouse + || currentPos != workspace()->focusMousePosition()) + { + if ( options->delayFocus ) + workspace()->requestDelayFocus( this ); + else + workspace()->requestFocus( this ); + } + return; + } + } + +void Client::leaveNotifyEvent( XCrossingEvent* e ) + { + if( e->window != frameId()) + return; // care only about leaving the whole frame + if ( e->mode == NotifyNormal ) + { + if ( !buttonDown ) + { + mode = PositionCenter; + setCursor( tqarrowCursor ); + } + bool lostMouse = !rect().contains( TQPoint( e->x, e->y ) ); + // 'lostMouse' wouldn't work with e.g. B2 or Keramik, which have non-rectangular decorations + // (i.e. the LeaveNotify event comes before leaving the rect and no LeaveNotify event + // comes after leaving the rect) - so lets check if the pointer is really outside the window + + // TODO this still sucks if a window appears above this one - it should lose the mouse + // if this window is another client, but not if it's a popup ... maybe after KDE3.1 :( + // (repeat after me 'AARGHL!') + if ( !lostMouse && e->detail != NotifyInferior ) + { + int d1, d2, d3, d4; + unsigned int d5; + Window w, child; + if( XQueryPointer( qt_xdisplay(), frameId(), &w, &child, &d1, &d2, &d3, &d4, &d5 ) == False + || child == None ) + lostMouse = true; // really lost the mouse + } + if ( lostMouse ) + { + cancelAutoRaise(); + workspace()->cancelDelayFocus(); + cancelShadeHover(); + if ( shade_mode == ShadeHover && !moveResizeMode && !buttonDown ) + setShade( ShadeNormal ); + } + if ( options->focusPolicy == Options::FocusStrictlyUnderMouse ) + if ( isActive() && lostMouse ) + workspace()->requestFocus( 0 ) ; + return; + } + } + +#define XCapL KKeyNative::modXLock() +#define XNumL KKeyNative::modXNumLock() +#define XScrL KKeyNative::modXScrollLock() +void Client::grabButton( int modifier ) + { + unsigned int mods[ 8 ] = + { + 0, XCapL, XNumL, XNumL | XCapL, + XScrL, XScrL | XCapL, + XScrL | XNumL, XScrL | XNumL | XCapL + }; + for( int i = 0; + i < 8; + ++i ) + XGrabButton( qt_xdisplay(), AnyButton, + modifier | mods[ i ], + wrapperId(), FALSE, ButtonPressMask, + GrabModeSync, GrabModeAsync, None, None ); + } + +void Client::ungrabButton( int modifier ) + { + unsigned int mods[ 8 ] = + { + 0, XCapL, XNumL, XNumL | XCapL, + XScrL, XScrL | XCapL, + XScrL | XNumL, XScrL | XNumL | XCapL + }; + for( int i = 0; + i < 8; + ++i ) + XUngrabButton( qt_xdisplay(), AnyButton, + modifier | mods[ i ], wrapperId()); + } +#undef XCapL +#undef XNumL +#undef XScrL + +/* + Releases the passive grab for some modifier combinations when a + window becomes active. This helps broken X programs that + missinterpret LeaveNotify events in grab mode to work properly + (Motif, AWT, Tk, ...) + */ +void Client::updateMouseGrab() + { + if( workspace()->globalShortcutsDisabled()) + { + XUngrabButton( qt_xdisplay(), AnyButton, AnyModifier, wrapperId()); + // keep grab for the simple click without modifiers if needed (see below) + bool not_obscured = workspace()->topClientOnDesktop( workspace()->currentDesktop(), true, false ) == this; + if( !( !options->clickRaise || not_obscured )) + grabButton( None ); + return; + } + if( isActive() && !workspace()->forcedGlobalMouseGrab()) // see Workspace::establishTabBoxGrab() + { + // first grab all modifier combinations + XGrabButton(qt_xdisplay(), AnyButton, AnyModifier, wrapperId(), FALSE, + ButtonPressMask, + GrabModeSync, GrabModeAsync, + None, None ); + // remove the grab for no modifiers only if the window + // is unobscured or if the user doesn't want click raise + // (it is unobscured if it the topmost in the unconstrained stacking order, i.e. it is + // the most recently raised window) + bool not_obscured = workspace()->topClientOnDesktop( workspace()->currentDesktop(), true, false ) == this; + if( !options->clickRaise || not_obscured ) + ungrabButton( None ); + else + grabButton( None ); + ungrabButton( ShiftMask ); + ungrabButton( ControlMask ); + ungrabButton( ControlMask | ShiftMask ); + } + else + { + XUngrabButton( qt_xdisplay(), AnyButton, AnyModifier, wrapperId()); + // simply grab all modifier combinations + XGrabButton(qt_xdisplay(), AnyButton, AnyModifier, wrapperId(), FALSE, + ButtonPressMask, + GrabModeSync, GrabModeAsync, + None, None ); + } + } + +int qtToX11Button( TQt::ButtonState button ) + { + if( button == Qt::LeftButton ) + return Button1; + else if( button == Qt::MidButton ) + return Button2; + else if( button == Qt::RightButton ) + return Button3; + return AnyButton; + } + +int qtToX11State( TQt::ButtonState state ) + { + int ret = 0; + if( state & Qt::LeftButton ) + ret |= Button1Mask; + if( state & Qt::MidButton ) + ret |= Button2Mask; + if( state & Qt::RightButton ) + ret |= Button3Mask; + if( state & TQt::ShiftButton ) + ret |= ShiftMask; + if( state & TQt::ControlButton ) + ret |= ControlMask; + if( state & TQt::AltButton ) + ret |= KKeyNative::modX(KKey::ALT); + if( state & TQt::MetaButton ) + ret |= KKeyNative::modX(KKey::WIN); + return ret; + } + +// Qt propagates mouse events up the widget hierachy, which means events +// for the decoration window cannot be (easily) intercepted as X11 events +bool Client::eventFilter( TQObject* o, TQEvent* e ) + { + if (TQT_BASE_OBJECT(o) == TQT_BASE_OBJECT(shadowWidget)) + { + if (e->type() == TQEvent::MouseButtonRelease) + { + int buttonMask, buttonPressed, x, y, x_root, y_root; + unsigned int mask; + TQMouseEvent *qe = (TQMouseEvent *)e; + Window inner_window, parent_window, pointer_window, root_window; + XButtonEvent xe; + + removeShadow(); + switch (qe->button()) + { + case Qt::MidButton: + buttonMask = Button2Mask; + buttonPressed = Button2; + break; + case Qt::RightButton: + buttonMask = Button3Mask; + buttonPressed = Button3; + break; + default: + buttonMask = Button1Mask; + buttonPressed = Button1; + break; + } + + // find the window under the cursor that should receive the + // simulated events + root_window = qt_xrootwin(); + XQueryPointer(qt_xdisplay(), root_window, &root_window, + &pointer_window, &x_root, &y_root, &x, &y, &mask); + + if (pointer_window != None) + { + // Save the child window immediately under the window + // decoration, if any. This is so that we can send an event to + // the immediate descendant of a window's window decoration, + // which causes KWin to refocus windows properly + parent_window = pointer_window; + XQueryPointer(qt_xdisplay(), parent_window, &root_window, + &pointer_window, &x_root, &y_root, &x, &y, &mask); + inner_window = pointer_window; + + while (pointer_window != None) + { + // Recursively query for the child window under the pointer, + // using the returned child window as the parent window for + // the subsequent query. When no child window is left, we've + // found the child that will receive the simulated event + parent_window = pointer_window; + XQueryPointer(qt_xdisplay(), parent_window, &root_window, + &pointer_window, &x_root, &y_root, &x, &y, &mask); + } + pointer_window = parent_window; + } + else + inner_window = None; + + // simulate a mouse button press + xe.type = ButtonPress; + xe.display = qt_xdisplay(); + xe.root = qt_xrootwin(); + xe.subwindow = None; + xe.time = CurrentTime; + xe.x = x; + xe.y = y; + xe.x_root = x_root; + xe.y_root = y_root; + xe.state = 0; + xe.button = buttonPressed; + xe.same_screen = True; + if (inner_window != None && inner_window != pointer_window) + { + xe.window = inner_window; + XSendEvent(qt_xdisplay(), inner_window, True, ButtonPressMask, + (XEvent *)&xe); + } + xe.window = pointer_window; + XSendEvent(qt_xdisplay(), pointer_window, True, ButtonPressMask, + (XEvent *)&xe); + + // simulate a mouse button release + xe.type = ButtonRelease; + xe.display = qt_xdisplay(); + xe.root = qt_xrootwin(); + xe.subwindow = None; + xe.time = CurrentTime; + xe.x = x; + xe.y = y; + xe.x_root = x_root; + xe.y_root = y_root; + xe.state = buttonMask; + xe.button = buttonPressed; + xe.same_screen = True; + if (inner_window != None && inner_window != pointer_window) + { + xe.window = inner_window; + XSendEvent(qt_xdisplay(), inner_window, True, ButtonReleaseMask, + (XEvent *)&xe); + } + xe.window = pointer_window; + XSendEvent(qt_xdisplay(), pointer_window, True, ButtonReleaseMask, + (XEvent *)&xe); + + drawDelayedShadow(); + + return true; + } + else if (e->type() == TQEvent::Wheel) + { + int x, y, x_root, y_root; + unsigned int buttonMask, buttonPressed, mask; + TQWheelEvent *wheelEvent = (TQWheelEvent *)e; + Window inner_window, parent_window, pointer_window, + root_window; + XButtonEvent xe; + + removeShadow(); + + // state and button parameters passed to XSendEvent depend on the + // direction in which the mouse wheel was rolled + buttonMask = wheelEvent->delta() > 0 ? Button4Mask : Button5Mask; + buttonPressed = wheelEvent->delta() > 0 ? Button4 : Button5; + + // find the window under the cursor that should receive the + // simulated events + root_window = qt_xrootwin(); + XQueryPointer(qt_xdisplay(), root_window, &root_window, + &pointer_window, &x_root, &y_root, &x, &y, &mask); + + if (pointer_window != None) + { + // Save the child window immediately under the window + // decoration, if any. This is so that we can send an event to + // the immediate descendant of a window's window decoration, + // which causes KWin to refocus windows properly + parent_window = pointer_window; + XQueryPointer(qt_xdisplay(), parent_window, &root_window, + &pointer_window, &x_root, &y_root, &x, &y, &mask); + inner_window = pointer_window; + + while (pointer_window != None) + { + // Recursively query for the child window under the pointer, + // using the returned child window as the parent window for + // the subsequent query. When no child window is left, we've + // found the child that will receive the simulated event + parent_window = pointer_window; + XQueryPointer(qt_xdisplay(), parent_window, &root_window, + &pointer_window, &x_root, &y_root, &x, &y, &mask); + } + pointer_window = parent_window; + } + else + inner_window = None; + + // simulate a mouse button press + xe.type = ButtonPress; + xe.display = qt_xdisplay(); + xe.root = qt_xrootwin(); + xe.subwindow = None; + xe.time = CurrentTime; + xe.x = x; + xe.y = y; + xe.x_root = x_root; + xe.y_root = y_root; + xe.state = 0; + xe.same_screen = True; + if (inner_window != None && inner_window != pointer_window) + { + xe.button = buttonPressed; + xe.window = inner_window; + XSendEvent(qt_xdisplay(), inner_window, True, ButtonPressMask, + (XEvent *)&xe); + } + xe.button = buttonPressed; + xe.window = pointer_window; + XSendEvent(qt_xdisplay(), pointer_window, True, ButtonPressMask, + (XEvent *)&xe); + + // simulate a mouse button release + xe.type = ButtonRelease; + xe.display = qt_xdisplay(); + xe.root = qt_xrootwin(); + xe.subwindow = None; + xe.time = CurrentTime; + xe.x = x; + xe.y = y; + xe.x_root = x_root; + xe.y_root = y_root; + xe.same_screen = True; + if (inner_window != None && inner_window != pointer_window) + { + xe.window = inner_window; + xe.state = buttonMask; + xe.button = buttonPressed; + XSendEvent(qt_xdisplay(), inner_window, True, ButtonReleaseMask, + (XEvent *)&xe); + } + xe.state = buttonMask; + xe.button = buttonPressed; + xe.window = pointer_window; + XSendEvent(qt_xdisplay(), pointer_window, True, ButtonReleaseMask, + (XEvent *)&xe); + + drawDelayedShadow(); + + return true; + } + } + if( decoration == NULL + || TQT_BASE_OBJECT(o) != TQT_BASE_OBJECT(decoration->widget())) + return false; + if( e->type() == TQEvent::MouseButtonPress ) + { + TQMouseEvent* ev = TQT_TQMOUSEEVENT( e ); + return buttonPressEvent( decorationId(), qtToX11Button( ev->button()), qtToX11State( ev->state()), + ev->x(), ev->y(), ev->globalX(), ev->globalY() ); + } + if( e->type() == TQEvent::MouseButtonRelease ) + { + TQMouseEvent* ev = TQT_TQMOUSEEVENT( e ); + return buttonReleaseEvent( decorationId(), qtToX11Button( ev->button()), qtToX11State( ev->state()), + ev->x(), ev->y(), ev->globalX(), ev->globalY() ); + } + if( e->type() == TQEvent::MouseMove ) // FRAME i fake z enter/leave? + { + TQMouseEvent* ev = TQT_TQMOUSEEVENT( e ); + return motionNotifyEvent( decorationId(), qtToX11State( ev->state()), + ev->x(), ev->y(), ev->globalX(), ev->globalY() ); + } + if( e->type() == TQEvent::Wheel ) + { + TQWheelEvent* ev = TQT_TQWHEELEVENT( e ); + bool r = buttonPressEvent( decorationId(), ev->delta() > 0 ? Button4 : Button5, qtToX11State( ev->state()), + ev->x(), ev->y(), ev->globalX(), ev->globalY() ); + r = r || buttonReleaseEvent( decorationId(), ev->delta() > 0 ? Button4 : Button5, qtToX11State( ev->state()), + ev->x(), ev->y(), ev->globalX(), ev->globalY() ); + return r; + } + if( e->type() == TQEvent::Resize ) + { + TQResizeEvent* ev = TQT_TQRESIZEEVENT( e ); + // Filter out resize events that inform about size different than frame size. + // This will ensure that decoration->width() etc. and decoration->widget()->width() will be in sync. + // These events only seem to be delayed events from initial resizing before show() was called + // on the decoration widget. + if( ev->size() != size()) + return true; + } + return false; + } + +// return value matters only when filtering events before decoration gets them +bool Client::buttonPressEvent( Window w, int button, int state, int x, int y, int x_root, int y_root ) + { + if (buttonDown) + { + if( w == wrapperId()) + XAllowEvents(qt_xdisplay(), SyncPointer, CurrentTime ); //qt_x_time); + return true; + } + + if( w == wrapperId() || w == frameId() || w == decorationId()) + { // FRAME neco s tohohle by se melo zpracovat, nez to dostane dekorace + // FRAME something out of this would be processed before it gets decorations + updateUserTime(); + workspace()->setWasUserInteraction(); + uint keyModX = (options->keyCmdAllModKey() == Qt::Key_Meta) ? + KKeyNative::modX(KKey::WIN) : + KKeyNative::modX(KKey::ALT); + bool bModKeyHeld = keyModX != 0 && ( state & KKeyNative::accelModMaskX()) == keyModX; + + if( isSplash() + && button == Button1 && !bModKeyHeld ) + { // hide splashwindow if the user clicks on it + hideClient( true ); + if( w == wrapperId()) + XAllowEvents(qt_xdisplay(), SyncPointer, CurrentTime ); //qt_x_time); + return true; + } + + Options::MouseCommand com = Options::MouseNothing; + bool was_action = false; + bool perform_handled = false; + if ( bModKeyHeld ) + { + was_action = true; + switch (button) + { + case Button1: + com = options->commandAll1(); + break; + case Button2: + com = options->commandAll2(); + break; + case Button3: + com = options->commandAll3(); + break; + case Button4: + case Button5: + com = options->operationWindowMouseWheel( button == Button4 ? 120 : -120 ); + break; + } + } + else + { // inactive inner window + if( !isActive() && w == wrapperId()) + { + was_action = true; + perform_handled = true; + switch (button) + { + case Button1: + com = options->commandWindow1(); + break; + case Button2: + com = options->commandWindow2(); + break; + case Button3: + com = options->commandWindow3(); + break; + default: + com = Options::MouseActivateAndPassClick; + } + } + // active inner window + if( isActive() && w == wrapperId() + && options->clickRaise && button < 4 ) // exclude wheel + { + com = Options::MouseActivateRaiseAndPassClick; + was_action = true; + perform_handled = true; + } + } + if( was_action ) + { + bool replay = performMouseCommand( com, TQPoint( x_root, y_root), perform_handled ); + + if ( isSpecialWindow()) + replay = TRUE; + + if( w == wrapperId()) // these can come only from a grab + XAllowEvents(qt_xdisplay(), replay? ReplayPointer : SyncPointer, CurrentTime ); //qt_x_time); + return true; + } + } + + if( w == wrapperId()) // these can come only from a grab + { + XAllowEvents(qt_xdisplay(), ReplayPointer, CurrentTime ); //qt_x_time); + return true; + } + if( w == decorationId()) + return false; // don't eat decoration events + if( w == frameId()) + processDecorationButtonPress( button, state, x, y, x_root, y_root ); + return true; + } + + +// this function processes button press events only after decoration decides not to handle them, +// unlike buttonPressEvent(), which (when the window is decoration) filters events before decoration gets them +void Client::processDecorationButtonPress( int button, int /*state*/, int x, int y, int x_root, int y_root ) + { + Options::MouseCommand com = Options::MouseNothing; + bool active = isActive(); + if ( !wantsInput() ) // we cannot be active, use it anyway + active = TRUE; + + if ( button == Button1 ) + com = active ? options->commandActiveTitlebar1() : options->commandInactiveTitlebar1(); + else if ( button == Button2 ) + com = active ? options->commandActiveTitlebar2() : options->commandInactiveTitlebar2(); + else if ( button == Button3 ) + com = active ? options->commandActiveTitlebar3() : options->commandInactiveTitlebar3(); + if( button == Button1 + && com != Options::MouseOperationsMenu // actions where it's not possible to get the matching + && com != Options::MouseMinimize ) // mouse release event + { + mode = mousePosition( TQPoint( x, y )); + buttonDown = TRUE; + moveOffset = TQPoint( x, y ); + invertedMoveOffset = rect().bottomRight() - moveOffset; + unrestrictedMoveResize = false; + setCursor( mode ); // update to sizeAllCursor if about to move + } + performMouseCommand( com, TQPoint( x_root, y_root )); + } + +// called from decoration +void Client::processMousePressEvent( TQMouseEvent* e ) + { + if( e->type() != TQEvent::MouseButtonPress ) + { + kdWarning() << "processMousePressEvent()" << endl; + return; + } + int button; + switch( e->button()) + { + case Qt::LeftButton: + button = Button1; + break; + case Qt::MidButton: + button = Button2; + break; + case Qt::RightButton: + button = Button3; + break; + default: + return; + } + processDecorationButtonPress( button, e->state(), e->x(), e->y(), e->globalX(), e->globalY()); + } + +// return value matters only when filtering events before decoration gets them +bool Client::buttonReleaseEvent( Window w, int /*button*/, int state, int x, int y, int x_root, int y_root ) + { + if( w == decorationId() && !buttonDown) + return false; + if( w == wrapperId()) + { + XAllowEvents(qt_xdisplay(), SyncPointer, CurrentTime ); //qt_x_time); + return true; + } + if( w != frameId() && w != decorationId() && w != moveResizeGrabWindow()) + return true; + x = this->x(); // translate from grab window to local coords + y = this->y(); + if ( (state & ( Button1Mask & Button2Mask & Button3Mask )) == 0 ) + { + buttonDown = FALSE; + if ( moveResizeMode ) + { + finishMoveResize( false ); + // mouse position is still relative to old Client position, adjust it + TQPoint mousepos( x_root - x, y_root - y ); + mode = mousePosition( mousepos ); + } + setCursor( mode ); + } + return true; + } + +static bool was_motion = false; +static Time next_motion_time = CurrentTime; +// Check whole incoming X queue for MotionNotify events +// checking whole queue is done by always returning False in the predicate. +// If there are more MotionNotify events in the queue, all until the last +// one may be safely discarded (if a ButtonRelease event comes, a MotionNotify +// will be faked from it, so there's no need to check other events). +// This helps avoiding being overloaded by being flooded from many events +// from the XServer. +static Bool motion_predicate( Display*, XEvent* ev, XPointer ) +{ + if( ev->type == MotionNotify ) + { + was_motion = true; + next_motion_time = ev->xmotion.time; // for setting time + } + return False; +} + +static bool waitingMotionEvent() + { +// The queue doesn't need to be checked until the X timestamp +// of processes events reaches the timestamp of the last suitable +// MotionNotify event in the queue. + if( next_motion_time != CurrentTime + && timestampCompare( GET_QT_X_TIME(), next_motion_time ) < 0 ) + return true; + was_motion = false; + XSync( qt_xdisplay(), False ); // this helps to discard more MotionNotify events + XEvent dummy; + XCheckIfEvent( qt_xdisplay(), &dummy, motion_predicate, NULL ); + return was_motion; + } + +// return value matters only when filtering events before decoration gets them +bool Client::motionNotifyEvent( Window w, int /*state*/, int x, int y, int x_root, int y_root ) + { + if( w != frameId() && w != decorationId() && w != moveResizeGrabWindow()) + return true; // care only about the whole frame + if ( !buttonDown ) + { + Position newmode = mousePosition( TQPoint( x, y )); + if( newmode != mode ) + setCursor( newmode ); + mode = newmode; + // reset the timestamp for the optimization, otherwise with long passivity + // the option in waitingMotionEvent() may be always true + next_motion_time = CurrentTime; + return false; + } + if( w == moveResizeGrabWindow()) + { + x = this->x(); // translate from grab window to local coords + y = this->y(); + } + if( !waitingMotionEvent()) + handleMoveResize( x, y, x_root, y_root ); + return true; + } + +void Client::focusInEvent( XFocusInEvent* e ) + { + if( e->window != window()) + return; // only window gets focus + if ( e->mode == NotifyUngrab ) + return; // we don't care + if ( e->detail == NotifyPointer ) + return; // we don't care + if( !isShown( false ) || !isOnCurrentDesktop()) // we unmapped it, but it got focus meanwhile -> + return; // activateNextClient() already transferred focus elsewhere + // check if this client is in should_get_focus list or if activation is allowed + bool activate = workspace()->allowClientActivation( this, -1U, true ); + workspace()->gotFocusIn( this ); // remove from should_get_focus list + if( activate ) + setActive( TRUE ); + else + { + workspace()->restoreFocus(); + demandAttention(); + } + } + +// When a client loses focus, FocusOut events are usually immediatelly +// followed by FocusIn events for another client that gains the focus +// (unless the focus goes to another screen, or to the nofocus widget). +// Without this check, the former focused client would have to be +// deactivated, and after that, the new one would be activated, with +// a short time when there would be no active client. This can cause +// flicker sometimes, e.g. when a fullscreen is shown, and focus is transferred +// from it to its transient, the fullscreen would be kept in the Active layer +// at the beginning and at the end, but not in the middle, when the active +// client would be temporarily none (see Client::belongToLayer() ). +// Therefore, the events queue is checked, whether it contains the matching +// FocusIn event, and if yes, deactivation of the previous client will +// be skipped, as activation of the new one will automatically deactivate +// previously active client. +static bool follows_focusin = false; +static bool follows_focusin_failed = false; +static Bool predicate_follows_focusin( Display*, XEvent* e, XPointer arg ) + { + if( follows_focusin || follows_focusin_failed ) + return False; + Client* c = ( Client* ) arg; + if( e->type == FocusIn && c->workspace()->findClient( WindowMatchPredicate( e->xfocus.window ))) + { // found FocusIn + follows_focusin = true; + return False; + } + // events that may be in the queue before the FocusIn event that's being + // searched for + if( e->type == FocusIn || e->type == FocusOut || e->type == KeymapNotify ) + return False; + follows_focusin_failed = true; // a different event - stop search + return False; + } + +static bool check_follows_focusin( Client* c ) + { + follows_focusin = follows_focusin_failed = false; + XEvent dummy; + // XCheckIfEvent() is used to make the search non-blocking, the predicate + // always returns False, so nothing is removed from the events queue. + // XPeekIfEvent() would block. + XCheckIfEvent( qt_xdisplay(), &dummy, predicate_follows_focusin, (XPointer)c ); + return follows_focusin; + } + + +void Client::focusOutEvent( XFocusOutEvent* e ) + { + if( e->window != window()) + return; // only window gets focus + if ( e->mode == NotifyGrab ) + return; // we don't care + if ( isShade() ) + return; // here neither + if ( e->detail != NotifyNonlinear + && e->detail != NotifyNonlinearVirtual ) + // SELI check all this + return; // hack for motif apps like netscape + if ( TQApplication::activePopupWidget() ) + return; + if( !check_follows_focusin( this )) + setActive( FALSE ); + } + +// performs _NET_WM_MOVERESIZE +void Client::NETMoveResize( int x_root, int y_root, NET::Direction direction ) + { + if( direction == NET::Move ) + performMouseCommand( Options::MouseMove, TQPoint( x_root, y_root )); + else if( moveResizeMode && direction == NET::MoveResizeCancel ) + { + finishMoveResize( true ); + buttonDown = FALSE; + setCursor( mode ); + } + else if( direction >= NET::TopLeft && direction <= NET::Left ) + { + static const Position convert[] = + { + PositionTopLeft, + PositionTop, + PositionTopRight, + PositionRight, + PositionBottomRight, + PositionBottom, + PositionBottomLeft, + PositionLeft + }; + if(!isResizable() || isShade()) + return; + if( moveResizeMode ) + finishMoveResize( false ); + buttonDown = TRUE; + moveOffset = TQPoint( x_root - x(), y_root - y()); // map from global + invertedMoveOffset = rect().bottomRight() - moveOffset; + unrestrictedMoveResize = false; + mode = convert[ direction ]; + setCursor( mode ); + if( !startMoveResize()) + { + buttonDown = false; + setCursor( mode ); + } + } + else if( direction == NET::KeyboardMove ) + { // ignore mouse coordinates given in the message, mouse position is used by the moving algorithm + TQCursor::setPos( geometry().center() ); + performMouseCommand( Options::MouseUnrestrictedMove, geometry().center()); + } + else if( direction == NET::KeyboardSize ) + { // ignore mouse coordinates given in the message, mouse position is used by the resizing algorithm + TQCursor::setPos( geometry().bottomRight()); + performMouseCommand( Options::MouseUnrestrictedResize, geometry().bottomRight()); + } + } + +void Client::keyPressEvent( uint key_code ) + { + updateUserTime(); + if ( !isMove() && !isResize() ) + return; + bool is_control = key_code & Qt::CTRL; + bool is_alt = key_code & Qt::ALT; + key_code = key_code & 0xffff; + int delta = is_control?1:is_alt?32:8; + TQPoint pos = TQCursor::pos(); + switch ( key_code ) + { + case Key_Left: + pos.rx() -= delta; + break; + case Key_Right: + pos.rx() += delta; + break; + case Key_Up: + pos.ry() -= delta; + break; + case Key_Down: + pos.ry() += delta; + break; + case Key_Space: + case Key_Return: + case Key_Enter: + finishMoveResize( false ); + buttonDown = FALSE; + setCursor( mode ); + break; + case Key_Escape: + finishMoveResize( true ); + buttonDown = FALSE; + setCursor( mode ); + break; + default: + return; + } + TQCursor::setPos( pos ); + } + +// **************************************** +// Group +// **************************************** + +bool Group::groupEvent( XEvent* e ) + { + unsigned long dirty[ 2 ]; + leader_info->event( e, dirty, 2 ); // pass through the NET stuff + if ( ( dirty[ WinInfo::PROTOCOLS ] & NET::WMIcon) != 0 ) + getIcons(); + if(( dirty[ WinInfo::PROTOCOLS2 ] & NET::WM2StartupId ) != 0 ) + startupIdChanged(); + return false; + } + + +} // namespace |