/******************************************************************** KWin - the KDE window manager This file is part of the KDE project. Copyright (C) 1999, 2000 Matthias Ettrich Copyright (C) 2003 Lubos Lunak This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . *********************************************************************/ /* This file contains things relevant to handling incoming events. */ #include "x11client.h" #include "cursor.h" #include "focuschain.h" #include "netinfo.h" #include "workspace.h" #include "atoms.h" #ifdef KWIN_BUILD_TABBOX #include "tabbox.h" #endif #include "group.h" #include "rules.h" #include "unmanaged.h" #include "useractions.h" #include "effects.h" #include "screens.h" #include "xcbutils.h" #include #include #include #include #include #include #include #include #include #include #ifdef XCB_ICCCM_FOUND #include #endif #include "composite.h" #include "x11eventfilter.h" #include "wayland_server.h" #include #ifndef XCB_GE_GENERIC #define XCB_GE_GENERIC 35 typedef struct xcb_ge_generic_event_t { uint8_t response_type; /**< */ uint8_t extension; /**< */ uint16_t sequence; /**< */ uint32_t length; /**< */ uint16_t event_type; /**< */ uint8_t pad0[22]; /**< */ uint32_t full_sequence; /**< */ } xcb_ge_generic_event_t; #endif namespace KWin { // **************************************** // Workspace // **************************************** static xcb_window_t findEventWindow(xcb_generic_event_t *event) { const uint8_t eventType = event->response_type & ~0x80; switch(eventType) { case XCB_KEY_PRESS: case XCB_KEY_RELEASE: return reinterpret_cast(event)->event; case XCB_BUTTON_PRESS: case XCB_BUTTON_RELEASE: return reinterpret_cast(event)->event; case XCB_MOTION_NOTIFY: return reinterpret_cast(event)->event; case XCB_ENTER_NOTIFY: case XCB_LEAVE_NOTIFY: return reinterpret_cast(event)->event; case XCB_FOCUS_IN: case XCB_FOCUS_OUT: return reinterpret_cast(event)->event; case XCB_EXPOSE: return reinterpret_cast(event)->window; case XCB_GRAPHICS_EXPOSURE: return reinterpret_cast(event)->drawable; case XCB_NO_EXPOSURE: return reinterpret_cast(event)->drawable; case XCB_VISIBILITY_NOTIFY: return reinterpret_cast(event)->window; case XCB_CREATE_NOTIFY: return reinterpret_cast(event)->window; case XCB_DESTROY_NOTIFY: return reinterpret_cast(event)->window; case XCB_UNMAP_NOTIFY: return reinterpret_cast(event)->window; case XCB_MAP_NOTIFY: return reinterpret_cast(event)->window; case XCB_MAP_REQUEST: return reinterpret_cast(event)->window; case XCB_REPARENT_NOTIFY: return reinterpret_cast(event)->window; case XCB_CONFIGURE_NOTIFY: return reinterpret_cast(event)->window; case XCB_CONFIGURE_REQUEST: return reinterpret_cast(event)->window; case XCB_GRAVITY_NOTIFY: return reinterpret_cast(event)->window; case XCB_RESIZE_REQUEST: return reinterpret_cast(event)->window; case XCB_CIRCULATE_NOTIFY: case XCB_CIRCULATE_REQUEST: return reinterpret_cast(event)->window; case XCB_PROPERTY_NOTIFY: return reinterpret_cast(event)->window; case XCB_COLORMAP_NOTIFY: return reinterpret_cast(event)->window; case XCB_CLIENT_MESSAGE: return reinterpret_cast(event)->window; default: // extension handling if (eventType == Xcb::Extensions::self()->shapeNotifyEvent()) { return reinterpret_cast(event)->affected_window; } if (eventType == Xcb::Extensions::self()->damageNotifyEvent()) { return reinterpret_cast(event)->drawable; } return XCB_WINDOW_NONE; } } QVector s_xcbEerrors({ QByteArrayLiteral("Success"), QByteArrayLiteral("BadRequest"), QByteArrayLiteral("BadValue"), QByteArrayLiteral("BadWindow"), QByteArrayLiteral("BadPixmap"), QByteArrayLiteral("BadAtom"), QByteArrayLiteral("BadCursor"), QByteArrayLiteral("BadFont"), QByteArrayLiteral("BadMatch"), QByteArrayLiteral("BadDrawable"), QByteArrayLiteral("BadAccess"), QByteArrayLiteral("BadAlloc"), QByteArrayLiteral("BadColor"), QByteArrayLiteral("BadGC"), QByteArrayLiteral("BadIDChoice"), QByteArrayLiteral("BadName"), QByteArrayLiteral("BadLength"), QByteArrayLiteral("BadImplementation"), QByteArrayLiteral("Unknown")}); void Workspace::registerEventFilter(X11EventFilter *filter) { if (filter->isGenericEvent()) m_genericEventFilters.append(filter); else m_eventFilters.append(filter); } void Workspace::unregisterEventFilter(X11EventFilter *filter) { if (filter->isGenericEvent()) m_genericEventFilters.removeOne(filter); else m_eventFilters.removeOne(filter); } /** * Handles workspace specific XCB event */ bool Workspace::workspaceEvent(xcb_generic_event_t *e) { const uint8_t eventType = e->response_type & ~0x80; if (!eventType) { // let's check whether it's an error from one of the extensions KWin uses xcb_generic_error_t *error = reinterpret_cast(e); const QVector extensions = Xcb::Extensions::self()->extensions(); for (const auto &extension : extensions) { if (error->major_code == extension.majorOpcode) { QByteArray errorName; if (error->error_code < s_xcbEerrors.size()) { errorName = s_xcbEerrors.at(error->error_code); } else if (error->error_code >= extension.errorBase) { const int index = error->error_code - extension.errorBase; if (index >= 0 && index < extension.errorCodes.size()) { errorName = extension.errorCodes.at(index); } } if (errorName.isEmpty()) { errorName = QByteArrayLiteral("Unknown"); } qCWarning(KWIN_CORE, "XCB error: %d (%s), sequence: %d, resource id: %d, major code: %d (%s), minor code: %d (%s)", int(error->error_code), errorName.constData(), int(error->sequence), int(error->resource_id), int(error->major_code), extension.name.constData(), int(error->minor_code), extension.opCodes.size() > error->minor_code ? extension.opCodes.at(error->minor_code).constData() : "Unknown"); return true; } } return false; } if (eventType == XCB_GE_GENERIC) { xcb_ge_generic_event_t *ge = reinterpret_cast(e); foreach (X11EventFilter *filter, m_genericEventFilters) { if (filter->extension() == ge->extension && filter->genericEventTypes().contains(ge->event_type) && filter->event(e)) { return true; } } } else { foreach (X11EventFilter *filter, m_eventFilters) { if (filter->eventTypes().contains(eventType) && filter->event(e)) { return true; } } } if (effects && static_cast< EffectsHandlerImpl* >(effects)->hasKeyboardGrab() && (eventType == XCB_KEY_PRESS || eventType == XCB_KEY_RELEASE)) return false; // let Qt process it, it'll be intercepted again in eventFilter() // events that should be handled before Clients can get them switch (eventType) { case XCB_CONFIGURE_NOTIFY: if (reinterpret_cast(e)->event == rootWindow()) markXStackingOrderAsDirty(); break; }; const xcb_window_t eventWindow = findEventWindow(e); if (eventWindow != XCB_WINDOW_NONE) { if (X11Client *c = findClient(Predicate::WindowMatch, eventWindow)) { if (c->windowEvent(e)) return true; } else if (X11Client *c = findClient(Predicate::WrapperIdMatch, eventWindow)) { if (c->windowEvent(e)) return true; } else if (X11Client *c = findClient(Predicate::FrameIdMatch, eventWindow)) { if (c->windowEvent(e)) return true; } else if (X11Client *c = findClient(Predicate::InputIdMatch, eventWindow)) { if (c->windowEvent(e)) return true; } else if (Unmanaged* c = findUnmanaged(eventWindow)) { if (c->windowEvent(e)) return true; } } switch (eventType) { case XCB_CREATE_NOTIFY: { const auto *event = reinterpret_cast(e); if (event->parent == rootWindow() && !QWidget::find(event->window) && !event->override_redirect) { // see comments for allowClientActivation() updateXTime(); const xcb_timestamp_t t = xTime(); xcb_change_property(connection(), XCB_PROP_MODE_REPLACE, event->window, atoms->kde_net_wm_user_creation_time, XCB_ATOM_CARDINAL, 32, 1, &t); } break; } case XCB_UNMAP_NOTIFY: { const auto *event = reinterpret_cast(e); return (event->event != event->window); // hide wm typical event from Qt } case XCB_REPARENT_NOTIFY: { //do not confuse Qt with these events. After all, _we_ are the //window manager who does the reparenting. return true; } case XCB_MAP_REQUEST: { updateXTime(); const auto *event = reinterpret_cast(e); if (X11Client *c = findClient(Predicate::WindowMatch, event->window)) { // e->xmaprequest.window is different from e->xany.window // TODO this shouldn't be necessary now c->windowEvent(e); FocusChain::self()->update(c, FocusChain::Update); } else if ( true /*|| e->xmaprequest.parent != root */ ) { // NOTICE 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 // NOTICE: The save-set support in X11Client::mapRequestEvent() actually requires that // this code doesn't check the parent to be root. if (!createClient(event->window, false)) { xcb_map_window(connection(), event->window); const uint32_t values[] = { XCB_STACK_MODE_ABOVE }; xcb_configure_window(connection(), event->window, XCB_CONFIG_WINDOW_STACK_MODE, values); } } return true; } case XCB_MAP_NOTIFY: { const auto *event = reinterpret_cast(e); if (event->override_redirect) { Unmanaged* c = findUnmanaged(event->window); if (c == nullptr) c = createUnmanaged(event->window); if (c) { // if hasScheduledRelease is true, it means a unamp and map sequence has occurred. // since release is scheduled after map notify, this old Unmanaged will get released // before KWIN has chance to remanage it again. so release it right now. if (c->hasScheduledRelease()) { c->release(); c = createUnmanaged(event->window); } if (c) return c->windowEvent(e); } } return (event->event != event->window); // hide wm typical event from Qt } case XCB_CONFIGURE_REQUEST: { const auto *event = reinterpret_cast(e); if (event->parent == rootWindow()) { uint32_t values[5] = { 0, 0, 0, 0, 0}; const uint32_t value_mask = event->value_mask & (XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y | XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT | XCB_CONFIG_WINDOW_BORDER_WIDTH); int i = 0; if (value_mask & XCB_CONFIG_WINDOW_X) { values[i++] = event->x; } if (value_mask & XCB_CONFIG_WINDOW_Y) { values[i++] = event->y; } if (value_mask & XCB_CONFIG_WINDOW_WIDTH) { values[i++] = event->width; } if (value_mask & XCB_CONFIG_WINDOW_HEIGHT) { values[i++] = event->height; } if (value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) { values[i++] = event->border_width; } xcb_configure_window(connection(), event->window, value_mask, values); return true; } break; } case XCB_FOCUS_IN: { const auto *event = reinterpret_cast(e); if (event->event == rootWindow() && (event->detail == XCB_NOTIFY_DETAIL_NONE || event->detail == XCB_NOTIFY_DETAIL_POINTER_ROOT || event->detail == XCB_NOTIFY_DETAIL_INFERIOR)) { Xcb::CurrentInput currentInput; updateXTime(); // focusToNull() uses xTime(), which is old now (FocusIn has no timestamp) // it seems we can "loose" focus reversions when the closing client hold a grab // => catch the typical pattern (though we don't want the focus on the root anyway) #348935 const bool lostFocusPointerToRoot = currentInput->focus == rootWindow() && event->detail == XCB_NOTIFY_DETAIL_INFERIOR; if (!currentInput.isNull() && (currentInput->focus == XCB_WINDOW_NONE || currentInput->focus == XCB_INPUT_FOCUS_POINTER_ROOT || lostFocusPointerToRoot)) { //kWarning( 1212 ) << "X focus set to None/PointerRoot, reseting focus" ; AbstractClient *c = mostRecentlyActivatedClient(); if (c != nullptr) requestFocus(c, true); else if (activateNextClient(nullptr)) ; // ok, activated else focusToNull(); } } } // fall through case XCB_FOCUS_OUT: return true; // always eat these, they would tell Qt that KWin is the active app default: break; } return false; } // Used only to filter events that need to be processed by Qt first // (e.g. keyboard input to be composed), otherwise events are // handle by the XEvent filter above bool Workspace::workspaceEvent(QEvent* e) { if ((e->type() == QEvent::KeyPress || e->type() == QEvent::KeyRelease || e->type() == QEvent::ShortcutOverride) && effects && static_cast< EffectsHandlerImpl* >(effects)->hasKeyboardGrab()) { static_cast< EffectsHandlerImpl* >(effects)->grabbedKeyboardEvent(static_cast< QKeyEvent* >(e)); return true; } return false; } // **************************************** // Client // **************************************** /** * General handler for XEvents concerning the client window */ bool X11Client::windowEvent(xcb_generic_event_t *e) { if (findEventWindow(e) == window()) { // avoid doing stuff on frame or wrapper NET::Properties dirtyProperties; NET::Properties2 dirtyProperties2; double old_opacity = opacity(); info->event(e, &dirtyProperties, &dirtyProperties2); // pass through the NET stuff if ((dirtyProperties & NET::WMName) != 0) fetchName(); if ((dirtyProperties & NET::WMIconName) != 0) fetchIconicName(); if ((dirtyProperties & NET::WMStrut) != 0 || (dirtyProperties2 & NET::WM2ExtendedStrut) != 0) { workspace()->updateClientArea(); } if ((dirtyProperties & 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 ((dirtyProperties2 & NET::WM2UserTime) != 0) { workspace()->setWasUserInteraction(); updateUserTime(info->userTime()); } if ((dirtyProperties2 & NET::WM2StartupId) != 0) startupIdChanged(); if (dirtyProperties2 & NET::WM2Opacity) { if (compositing()) { addRepaintFull(); emit opacityChanged(this, old_opacity); } else { // forward to the frame if there's possibly another compositing manager running NETWinInfo i(connection(), frameId(), rootWindow(), NET::Properties(), NET::Properties2()); i.setOpacity(info->opacity()); } } if (dirtyProperties2 & NET::WM2FrameOverlap) { // ### Inform the decoration } if (dirtyProperties2.testFlag(NET::WM2WindowRole)) { emit windowRoleChanged(); } if (dirtyProperties2.testFlag(NET::WM2WindowClass)) { getResourceClass(); } if (dirtyProperties2.testFlag(NET::WM2BlockCompositing)) { setBlockingCompositing(info->isBlockingCompositing()); } if (dirtyProperties2.testFlag(NET::WM2GroupLeader)) { checkGroup(); updateAllowedActions(); // Group affects isMinimizable() } if (dirtyProperties2.testFlag(NET::WM2Urgency)) { updateUrgency(); } if (dirtyProperties2 & NET::WM2OpaqueRegion) { getWmOpaqueRegion(); } if (dirtyProperties2 & NET::WM2DesktopFileName) { setDesktopFileName(QByteArray(info->desktopFileName())); } } const uint8_t eventType = e->response_type & ~0x80; switch(eventType) { case XCB_UNMAP_NOTIFY: unmapNotifyEvent(reinterpret_cast(e)); break; case XCB_DESTROY_NOTIFY: destroyNotifyEvent(reinterpret_cast(e)); break; case XCB_MAP_REQUEST: // this one may pass the event to workspace return mapRequestEvent(reinterpret_cast(e)); case XCB_CONFIGURE_REQUEST: configureRequestEvent(reinterpret_cast(e)); break; case XCB_PROPERTY_NOTIFY: propertyNotifyEvent(reinterpret_cast(e)); break; case XCB_KEY_PRESS: updateUserTime(reinterpret_cast(e)->time); break; case XCB_BUTTON_PRESS: { const auto *event = reinterpret_cast(e); updateUserTime(event->time); buttonPressEvent(event->event, event->detail, event->state, event->event_x, event->event_y, event->root_x, event->root_y, event->time); break; } case XCB_KEY_RELEASE: // 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 XCB_BUTTON_RELEASE: { const auto *event = reinterpret_cast(e); // 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(event->event, event->detail, event->state, event->event_x, event->event_y, event->root_x, event->root_y); break; } case XCB_MOTION_NOTIFY: { const auto *event = reinterpret_cast(e); motionNotifyEvent(event->event, event->state, event->event_x, event->event_y, event->root_x, event->root_y); workspace()->updateFocusMousePosition(QPoint(event->root_x, event->root_y)); break; } case XCB_ENTER_NOTIFY: { auto *event = reinterpret_cast(e); enterNotifyEvent(event); // 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(event->event, event->state, event->event_x, event->event_y, event->root_x, event->root_y); workspace()->updateFocusMousePosition(QPoint(event->root_x, event->root_y)); break; } case XCB_LEAVE_NOTIFY: { auto *event = reinterpret_cast(e); motionNotifyEvent(event->event, event->state, event->event_x, event->event_y, event->root_x, event->root_y); leaveNotifyEvent(event); // not here, it'd break following enter notify handling // workspace()->updateFocusMousePosition( QPoint( e->xcrossing.x_root, e->xcrossing.y_root )); break; } case XCB_FOCUS_IN: focusInEvent(reinterpret_cast(e)); break; case XCB_FOCUS_OUT: focusOutEvent(reinterpret_cast(e)); break; case XCB_REPARENT_NOTIFY: break; case XCB_CLIENT_MESSAGE: clientMessageEvent(reinterpret_cast(e)); break; case XCB_EXPOSE: { xcb_expose_event_t *event = reinterpret_cast(e); if (event->window == frameId() && !Compositor::self()->isActive()) { // TODO: only repaint required areas triggerDecorationRepaint(); } break; } default: if (eventType == Xcb::Extensions::self()->shapeNotifyEvent() && reinterpret_cast(e)->affected_window == window()) { detectShape(window()); // workaround for #19644 updateShape(); } if (eventType == Xcb::Extensions::self()->damageNotifyEvent() && reinterpret_cast(e)->drawable == frameId()) damageNotifyEvent(); break; } return true; // eat all events } /** * Handles map requests of the client window */ bool X11Client::mapRequestEvent(xcb_map_request_event_t *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 loses 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. } // also copied in clientMessage() if (isMinimized()) unminimize(); if (isShade()) setShade(ShadeNone); if (!isOnCurrentDesktop()) { if (workspace()->allowClientActivation(this)) workspace()->activateClient(this); else demandAttention(); } return true; } /** * Handles unmap notify events of the client window */ void X11Client::unmapNotifyEvent(xcb_unmap_notify_event_t *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 == rootWindow() && (e->response_type & 0x80)) ignore = false; // XWithdrawWindow() if (ignore) return; } // check whether this is result of an XReparentWindow - client then won't be parented by wrapper // in this case do not release the client (causes reparent to root, removal from saveSet and what not) // but just destroy the client Xcb::Tree tree(m_client); xcb_window_t daddy = tree.parent(); if (daddy == m_wrapper) { releaseWindow(); // unmapped from a regular client state } else { destroyClient(); // the client was moved to some other parent } } void X11Client::destroyNotifyEvent(xcb_destroy_notify_event_t *e) { if (e->window != window()) return; destroyClient(); } /** * Handles client messages for the client window */ void X11Client::clientMessageEvent(xcb_client_message_event_t *e) { Toplevel::clientMessageEvent(e); if (e->window != window()) return; // ignore frame/wrapper // WM_STATE if (e->type == atoms->wm_change_state) { if (e->data.data32[0] == XCB_ICCCM_WM_STATE_ICONIC) minimize(); return; } } /** * Handles configure requests of the client window */ void X11Client::configureRequestEvent(xcb_configure_request_event_t *e) { if (e->window != window()) return; // ignore frame/wrapper if (isResize() || isMove()) return; // we have better things to do right now if (m_fullscreenMode == 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 sendSyntheticConfigureNotify(); return; } if (e->value_mask & XCB_CONFIG_WINDOW_BORDER_WIDTH) { // first, get rid of a window border m_client.setBorderWidth(0); } if (e->value_mask & (XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y | XCB_CONFIG_WINDOW_HEIGHT | XCB_CONFIG_WINDOW_WIDTH)) configureRequest(e->value_mask, e->x, e->y, e->width, e->height, 0, false); if (e->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) restackWindow(e->sibling, e->stack_mode, NET::FromApplication, userTime(), false); // 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 X11Client::setGeometry()/plainResize()/move()). sendSyntheticConfigureNotify(); // SELI TODO accept configure requests for isDesktop windows (because kdesktop // may get XRANDR resize event before kwin), but check it's still at the bottom? } /** * Handles property changes of the client window */ void X11Client::propertyNotifyEvent(xcb_property_notify_event_t *e) { Toplevel::propertyNotifyEvent(e); if (e->window != window()) return; // ignore frame/wrapper switch(e->atom) { case XCB_ATOM_WM_NORMAL_HINTS: getWmNormalHints(); break; case XCB_ATOM_WM_NAME: fetchName(); break; case XCB_ATOM_WM_ICON_NAME: fetchIconicName(); break; case XCB_ATOM_WM_TRANSIENT_FOR: readTransient(); break; case XCB_ATOM_WM_HINTS: getIcons(); // because KWin::icon() uses WMHints as fallback break; default: if (e->atom == atoms->motif_wm_hints) { getMotifHints(); } else if (e->atom == atoms->net_wm_sync_request_counter) getSyncCounter(); else if (e->atom == atoms->activities) checkActivities(); else if (e->atom == atoms->kde_first_in_window_list) updateFirstInTabBox(); else if (e->atom == atoms->kde_color_sheme) updateColorScheme(); else if (e->atom == atoms->kde_screen_edge_show) updateShowOnScreenEdge(); else if (e->atom == atoms->gtk_frame_extents) detectGtkFrameExtents(); else if (e->atom == atoms->kde_net_wm_appmenu_service_name) checkApplicationMenuServiceName(); else if (e->atom == atoms->kde_net_wm_appmenu_object_path) checkApplicationMenuObjectPath(); break; } } void X11Client::enterNotifyEvent(xcb_enter_notify_event_t *e) { if (e->event != frameId()) return; // care only about entering the whole frame #define MOUSE_DRIVEN_FOCUS (!options->focusPolicyIsReasonable() || \ (options->focusPolicy() == Options::FocusFollowsMouse && options->isNextFocusPrefersMouse())) if (e->mode == XCB_NOTIFY_MODE_NORMAL || (e->mode == XCB_NOTIFY_MODE_UNGRAB && MOUSE_DRIVEN_FOCUS)) { if (options->isShadeHover()) { cancelShadeHoverTimer(); if (isShade()) { shadeHoverTimer = new QTimer(this); connect(shadeHoverTimer, SIGNAL(timeout()), this, SLOT(shadeHover())); shadeHoverTimer->setSingleShot(true); shadeHoverTimer->start(options->shadeHoverInterval()); } } #undef MOUSE_DRIVEN_FOCUS enterEvent(QPoint(e->root_x, e->root_y)); return; } } void X11Client::leaveNotifyEvent(xcb_leave_notify_event_t *e) { if (e->event != frameId()) return; // care only about leaving the whole frame if (e->mode == XCB_NOTIFY_MODE_NORMAL) { if (!isMoveResizePointerButtonDown()) { setMoveResizePointerMode(PositionCenter); updateCursor(); } bool lostMouse = !rect().contains(QPoint(e->event_x, e->event_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 != XCB_NOTIFY_DETAIL_INFERIOR) { Xcb::Pointer pointer(frameId()); if (!pointer || !pointer->same_screen || pointer->child == XCB_WINDOW_NONE) { // really lost the mouse lostMouse = true; } } if (lostMouse) { leaveEvent(); cancelShadeHoverTimer(); if (shade_mode == ShadeHover && !isMoveResize() && !isMoveResizePointerButtonDown()) { shadeHoverTimer = new QTimer(this); connect(shadeHoverTimer, SIGNAL(timeout()), this, SLOT(shadeUnhover())); shadeHoverTimer->setSingleShot(true); shadeHoverTimer->start(options->shadeHoverInterval()); } if (isDecorated()) { // sending a move instead of a leave. With leave we need to send proper coords, with move it's handled internally QHoverEvent leaveEvent(QEvent::HoverMove, QPointF(-1, -1), QPointF(-1, -1), Qt::NoModifier); QCoreApplication::sendEvent(decoration(), &leaveEvent); } } if (options->focusPolicy() == Options::FocusStrictlyUnderMouse && isActive() && lostMouse) { workspace()->requestDelayFocus(nullptr); } return; } } #define XCapL KKeyServer::modXLock() #define XNumL KKeyServer::modXNumLock() #define XScrL KKeyServer::modXScrollLock() void X11Client::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) m_wrapper.grabButton(XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, modifier | mods[ i ]); } void X11Client::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) m_wrapper.ungrabButton(modifier | mods[ i ]); } #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 X11Client::updateMouseGrab() { if (workspace()->globalShortcutsDisabled()) { m_wrapper.ungrabButton(); // keep grab for the simple click without modifiers if needed (see below) bool not_obscured = workspace()->topClientOnDesktop(VirtualDesktopManager::self()->current(), -1, true, false) == this; if (!(!options->isClickRaise() || not_obscured)) grabButton(XCB_NONE); return; } if (isActive() && !TabBox::TabBox::self()->forcedGlobalMouseGrab()) { // see TabBox::establishTabBoxGrab() // first grab all modifier combinations m_wrapper.grabButton(XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC); // 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(VirtualDesktopManager::self()->current(), -1, true, false) == this; if (!options->isClickRaise() || not_obscured) ungrabButton(XCB_NONE); else grabButton(XCB_NONE); ungrabButton(XCB_MOD_MASK_SHIFT); ungrabButton(XCB_MOD_MASK_CONTROL); ungrabButton(XCB_MOD_MASK_CONTROL | XCB_MOD_MASK_SHIFT); } else { m_wrapper.ungrabButton(); // simply grab all modifier combinations m_wrapper.grabButton(XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC); } } static bool modKeyDown(int state) { const uint keyModX = (options->keyCmdAllModKey() == Qt::Key_Meta) ? KKeyServer::modXMeta() : KKeyServer::modXAlt(); return keyModX && (state & KKeyServer::accelModMaskX()) == keyModX; } // return value matters only when filtering events before decoration gets them bool X11Client::buttonPressEvent(xcb_window_t w, int button, int state, int x, int y, int x_root, int y_root, xcb_timestamp_t time) { if (isMoveResizePointerButtonDown()) { if (w == wrapperId()) xcb_allow_events(connection(), XCB_ALLOW_SYNC_POINTER, XCB_TIME_CURRENT_TIME); //xTime()); return true; } if (w == wrapperId() || w == frameId() || w == inputId()) { // FRAME neco s tohohle by se melo zpracovat, nez to dostane dekorace updateUserTime(time); const bool bModKeyHeld = modKeyDown(state); if (isSplash() && button == XCB_BUTTON_INDEX_1 && !bModKeyHeld) { // hide splashwindow if the user clicks on it hideClient(true); if (w == wrapperId()) xcb_allow_events(connection(), XCB_ALLOW_SYNC_POINTER, XCB_TIME_CURRENT_TIME); //xTime()); return true; } Options::MouseCommand com = Options::MouseNothing; bool was_action = false; if (bModKeyHeld) { was_action = true; switch(button) { case XCB_BUTTON_INDEX_1: com = options->commandAll1(); break; case XCB_BUTTON_INDEX_2: com = options->commandAll2(); break; case XCB_BUTTON_INDEX_3: com = options->commandAll3(); break; case XCB_BUTTON_INDEX_4: case XCB_BUTTON_INDEX_5: com = options->operationWindowMouseWheel(button == XCB_BUTTON_INDEX_4 ? 120 : -120); break; } } else { if (w == wrapperId()) { if (button < 4) { com = getMouseCommand(x11ToQtMouseButton(button), &was_action); } else if (button < 6) { com = getWheelCommand(Qt::Vertical, &was_action); } } } if (was_action) { bool replay = performMouseCommand(com, QPoint(x_root, y_root)); if (isSpecialWindow()) replay = true; if (w == wrapperId()) // these can come only from a grab xcb_allow_events(connection(), replay ? XCB_ALLOW_REPLAY_POINTER : XCB_ALLOW_SYNC_POINTER, XCB_TIME_CURRENT_TIME); //xTime()); return true; } } if (w == wrapperId()) { // these can come only from a grab xcb_allow_events(connection(), XCB_ALLOW_REPLAY_POINTER, XCB_TIME_CURRENT_TIME); //xTime()); return true; } if (w == inputId()) { x = x_root - frameGeometry().x(); y = y_root - frameGeometry().y(); // New API processes core events FIRST and only passes unused ones to the decoration QMouseEvent ev(QMouseEvent::MouseButtonPress, QPoint(x, y), QPoint(x_root, y_root), x11ToQtMouseButton(button), x11ToQtMouseButtons(state), Qt::KeyboardModifiers()); return processDecorationButtonPress(&ev, true); } if (w == frameId() && isDecorated()) { if (button >= 4 && button <= 7) { const Qt::KeyboardModifiers modifiers = x11ToQtKeyboardModifiers(state); // Logic borrowed from qapplication_x11.cpp const int delta = 120 * ((button == 4 || button == 6) ? 1 : -1); const bool hor = (((button == 4 || button == 5) && (modifiers & Qt::AltModifier)) || (button == 6 || button == 7)); const QPoint angle = hor ? QPoint(delta, 0) : QPoint(0, delta); QWheelEvent event(QPointF(x, y), QPointF(x_root, y_root), QPoint(), angle, delta, hor ? Qt::Horizontal : Qt::Vertical, x11ToQtMouseButtons(state), modifiers); event.setAccepted(false); QCoreApplication::sendEvent(decoration(), &event); if (!event.isAccepted() && !hor) { if (titlebarPositionUnderMouse()) { performMouseCommand(options->operationTitlebarMouseWheel(delta), QPoint(x_root, y_root)); } } } else { QMouseEvent event(QEvent::MouseButtonPress, QPointF(x, y), QPointF(x_root, y_root), x11ToQtMouseButton(button), x11ToQtMouseButtons(state), x11ToQtKeyboardModifiers(state)); event.setAccepted(false); QCoreApplication::sendEvent(decoration(), &event); if (!event.isAccepted()) { processDecorationButtonPress(&event); } } return true; } return true; } // return value matters only when filtering events before decoration gets them bool X11Client::buttonReleaseEvent(xcb_window_t w, int button, int state, int x, int y, int x_root, int y_root) { if (w == frameId() && isDecorated()) { // wheel handled on buttonPress if (button < 4 || button > 7) { QMouseEvent event(QEvent::MouseButtonRelease, QPointF(x, y), QPointF(x_root, y_root), x11ToQtMouseButton(button), x11ToQtMouseButtons(state) & ~x11ToQtMouseButton(button), x11ToQtKeyboardModifiers(state)); event.setAccepted(false); QCoreApplication::sendEvent(decoration(), &event); if (event.isAccepted() || !titlebarPositionUnderMouse()) { invalidateDecorationDoubleClickTimer(); // click was for the deco and shall not init a doubleclick } } } if (w == wrapperId()) { xcb_allow_events(connection(), XCB_ALLOW_SYNC_POINTER, XCB_TIME_CURRENT_TIME); //xTime()); return true; } if (w != frameId() && w != inputId() && w != moveResizeGrabWindow()) return true; if (w == frameId() && workspace()->userActionsMenu() && workspace()->userActionsMenu()->isShown()) { const_cast(workspace()->userActionsMenu())->grabInput(); } x = this->x(); // translate from grab window to local coords y = this->y(); // Check whether other buttons are still left pressed int buttonMask = XCB_BUTTON_MASK_1 | XCB_BUTTON_MASK_2 | XCB_BUTTON_MASK_3; if (button == XCB_BUTTON_INDEX_1) buttonMask &= ~XCB_BUTTON_MASK_1; else if (button == XCB_BUTTON_INDEX_2) buttonMask &= ~XCB_BUTTON_MASK_2; else if (button == XCB_BUTTON_INDEX_3) buttonMask &= ~XCB_BUTTON_MASK_3; if ((state & buttonMask) == 0) { endMoveResize(); } return true; } // return value matters only when filtering events before decoration gets them bool X11Client::motionNotifyEvent(xcb_window_t w, int state, int x, int y, int x_root, int y_root) { if (w == frameId() && isDecorated() && !isMinimized()) { // TODO Mouse move event dependent on state QHoverEvent event(QEvent::HoverMove, QPointF(x, y), QPointF(x, y)); QCoreApplication::instance()->sendEvent(decoration(), &event); } if (w != frameId() && w != inputId() && w != moveResizeGrabWindow()) return true; // care only about the whole frame if (!isMoveResizePointerButtonDown()) { if (w == inputId()) { int x = x_root - frameGeometry().x();// + padding_left; int y = y_root - frameGeometry().y();// + padding_top; if (isDecorated()) { QHoverEvent event(QEvent::HoverMove, QPointF(x, y), QPointF(x, y)); QCoreApplication::instance()->sendEvent(decoration(), &event); } } Position newmode = modKeyDown(state) ? PositionCenter : mousePosition(); if (newmode != moveResizePointerMode()) { setMoveResizePointerMode(newmode); updateCursor(); } return false; } if (w == moveResizeGrabWindow()) { x = this->x(); // translate from grab window to local coords y = this->y(); } handleMoveResize(QPoint(x, y), QPoint(x_root, y_root)); return true; } void X11Client::focusInEvent(xcb_focus_in_event_t *e) { if (e->event != window()) return; // only window gets focus if (e->mode == XCB_NOTIFY_MODE_UNGRAB) return; // we don't care if (e->detail == XCB_NOTIFY_DETAIL_POINTER) return; // we don't care if (!isShown(false) || !isOnCurrentDesktop()) // we unmapped it, but it got focus meanwhile -> return; // activateNextClient() already transferred focus elsewhere workspace()->forEachClient([](X11Client *client) { client->cancelFocusOutTimer(); }); // 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(); } } void X11Client::focusOutEvent(xcb_focus_out_event_t *e) { if (e->event != window()) return; // only window gets focus if (e->mode == XCB_NOTIFY_MODE_GRAB) return; // we don't care if (isShade()) return; // here neither if (e->detail != XCB_NOTIFY_DETAIL_NONLINEAR && e->detail != XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL) // SELI check all this return; // hack for motif apps like netscape if (QApplication::activePopupWidget()) return; // 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 X11Client::belongToLayer() ). // Therefore the setActive(false) call is moved to the end of the current // event queue. If there is a matching FocusIn event in the current queue // this will be processed before the setActive(false) call and the activation // of the Client which gained FocusIn will automatically deactivate the // previously active client. if (!m_focusOutTimer) { m_focusOutTimer = new QTimer(this); m_focusOutTimer->setSingleShot(true); m_focusOutTimer->setInterval(0); connect(m_focusOutTimer, &QTimer::timeout, [this]() { setActive(false); }); } m_focusOutTimer->start(); } // performs _NET_WM_MOVERESIZE void X11Client::NETMoveResize(int x_root, int y_root, NET::Direction direction) { if (direction == NET::Move) { // move cursor to the provided position to prevent the window jumping there on first movement // the expectation is that the cursor is already at the provided position, // thus it's more a safety measurement Cursor::setPos(QPoint(x_root, y_root)); performMouseCommand(Options::MouseMove, QPoint(x_root, y_root)); } else if (isMoveResize() && direction == NET::MoveResizeCancel) { finishMoveResize(true); setMoveResizePointerButtonDown(false); updateCursor(); } 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 (isMoveResize()) finishMoveResize(false); setMoveResizePointerButtonDown(true); setMoveOffset(QPoint(x_root - x(), y_root - y())); // map from global setInvertedMoveOffset(rect().bottomRight() - moveOffset()); setUnrestrictedMoveResize(false); setMoveResizePointerMode(convert[ direction ]); if (!startMoveResize()) setMoveResizePointerButtonDown(false); updateCursor(); } else if (direction == NET::KeyboardMove) { // ignore mouse coordinates given in the message, mouse position is used by the moving algorithm Cursor::setPos(frameGeometry().center()); performMouseCommand(Options::MouseUnrestrictedMove, frameGeometry().center()); } else if (direction == NET::KeyboardSize) { // ignore mouse coordinates given in the message, mouse position is used by the resizing algorithm Cursor::setPos(frameGeometry().bottomRight()); performMouseCommand(Options::MouseUnrestrictedResize, frameGeometry().bottomRight()); } } void X11Client::keyPressEvent(uint key_code, xcb_timestamp_t time) { updateUserTime(time); AbstractClient::keyPressEvent(key_code); } // **************************************** // Unmanaged // **************************************** bool Unmanaged::windowEvent(xcb_generic_event_t *e) { double old_opacity = opacity(); NET::Properties dirtyProperties; NET::Properties2 dirtyProperties2; info->event(e, &dirtyProperties, &dirtyProperties2); // pass through the NET stuff if (dirtyProperties2 & NET::WM2Opacity) { if (compositing()) { addRepaintFull(); emit opacityChanged(this, old_opacity); } } if (dirtyProperties2 & NET::WM2OpaqueRegion) { getWmOpaqueRegion(); } if (dirtyProperties2.testFlag(NET::WM2WindowRole)) { emit windowRoleChanged(); } if (dirtyProperties2.testFlag(NET::WM2WindowClass)) { getResourceClass(); } const uint8_t eventType = e->response_type & ~0x80; switch (eventType) { case XCB_DESTROY_NOTIFY: release(ReleaseReason::Destroyed); break; case XCB_UNMAP_NOTIFY:{ workspace()->updateFocusMousePosition(Cursor::pos()); // may cause leave event // unmap notify might have been emitted due to a destroy notify // but unmap notify gets emitted before the destroy notify, nevertheless at this // point the window is already destroyed. This means any XCB request with the window // will cause an error. // To not run into these errors we try to wait for the destroy notify. For this we // generate a round trip to the X server and wait a very short time span before // handling the release. updateXTime(); // using 1 msec to not just move it at the end of the event loop but add an very short // timespan to cover cases like unmap() followed by destroy(). The only other way to // ensure that the window is not destroyed when we do the release handling is to grab // the XServer which we do not want to do for an Unmanaged. The timespan of 1 msec is // short enough to not cause problems in the close window animations. // It's of course still possible that we miss the destroy in which case non-fatal // X errors are reported to the event loop and logged by Qt. m_scheduledRelease = true; QTimer::singleShot(1, this, SLOT(release())); break; } case XCB_CONFIGURE_NOTIFY: configureNotifyEvent(reinterpret_cast(e)); break; case XCB_PROPERTY_NOTIFY: propertyNotifyEvent(reinterpret_cast(e)); break; case XCB_CLIENT_MESSAGE: clientMessageEvent(reinterpret_cast(e)); break; default: { if (eventType == Xcb::Extensions::self()->shapeNotifyEvent()) { detectShape(window()); addRepaintFull(); addWorkspaceRepaint(frameGeometry()); // in case shape change removes part of this window emit geometryShapeChanged(this, frameGeometry()); } if (eventType == Xcb::Extensions::self()->damageNotifyEvent()) damageNotifyEvent(); break; } } return false; // don't eat events, even our own unmanaged widgets are tracked } void Unmanaged::configureNotifyEvent(xcb_configure_notify_event_t *e) { if (effects) static_cast(effects)->checkInputWindowStacking(); // keep them on top QRect newgeom(e->x, e->y, e->width, e->height); if (newgeom != geom) { addWorkspaceRepaint(visibleRect()); // damage old area QRect old = geom; geom = newgeom; emit geometryChanged(); // update shadow region addRepaintFull(); if (old.size() != geom.size()) discardWindowPixmap(); emit geometryShapeChanged(this, old); } } // **************************************** // Toplevel // **************************************** void Toplevel::propertyNotifyEvent(xcb_property_notify_event_t *e) { if (e->window != window()) return; // ignore frame/wrapper switch(e->atom) { default: if (e->atom == atoms->wm_client_leader) getWmClientLeader(); else if (e->atom == atoms->kde_net_wm_shadow) updateShadow(); else if (e->atom == atoms->kde_skip_close_animation) getSkipCloseAnimation(); break; } } void Toplevel::clientMessageEvent(xcb_client_message_event_t *e) { if (e->type == atoms->wl_surface_id) { m_surfaceId = e->data.data32[0]; if (auto w = waylandServer()) { if (auto s = KWayland::Server::SurfaceInterface::get(m_surfaceId, w->xWaylandConnection())) { setSurface(s); } } emit surfaceIdChanged(m_surfaceId); } } } // namespace