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kwin/events.cpp
Martin Gräßlin 82e5b1a5cc Drop support for _KDE_WM_CHANGE_STATE 
It was only used by KWindowSystem::minimizeWindow and ::unminimizeWindow
and got removed from there.

REVIEW: 118224
2014-05-26 09:06:34 +02:00

1643 lines
66 KiB
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/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 1999, 2000 Matthias Ettrich <ettrich@kde.org>
Copyright (C) 2003 Lubos Lunak <l.lunak@kde.org>
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 <http://www.gnu.org/licenses/>.
*********************************************************************/
/*
This file contains things relevant to handling incoming events.
*/
#include "client.h"
#include "cursor.h"
#include "decorations.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 "overlaywindow.h"
#include "rules.h"
#include "unmanaged.h"
#include "useractions.h"
#include "effects.h"
#ifdef KWIN_BUILD_SCREENEDGES
#include "screenedge.h"
#endif
#include "screens.h"
#include "xcbutils.h"
#include <QApplication>
#include <QDebug>
#include <QWhatsThis>
#include <kkeyserver.h>
#include <xcb/sync.h>
#include <xcb/xcb_icccm.h>
#include "composite.h"
#include "killwindow.h"
namespace KWin
{
extern int currentRefreshRate();
// ****************************************
// 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<xcb_key_press_event_t*>(event)->event;
case XCB_BUTTON_PRESS:
case XCB_BUTTON_RELEASE:
return reinterpret_cast<xcb_button_press_event_t*>(event)->event;
case XCB_MOTION_NOTIFY:
return reinterpret_cast<xcb_motion_notify_event_t*>(event)->event;
case XCB_ENTER_NOTIFY:
case XCB_LEAVE_NOTIFY:
return reinterpret_cast<xcb_enter_notify_event_t*>(event)->event;
case XCB_FOCUS_IN:
case XCB_FOCUS_OUT:
return reinterpret_cast<xcb_focus_in_event_t*>(event)->event;
case XCB_EXPOSE:
return reinterpret_cast<xcb_expose_event_t*>(event)->window;
case XCB_GRAPHICS_EXPOSURE:
return reinterpret_cast<xcb_graphics_exposure_event_t*>(event)->drawable;
case XCB_NO_EXPOSURE:
return reinterpret_cast<xcb_no_exposure_event_t*>(event)->drawable;
case XCB_VISIBILITY_NOTIFY:
return reinterpret_cast<xcb_visibility_notify_event_t*>(event)->window;
case XCB_CREATE_NOTIFY:
return reinterpret_cast<xcb_create_notify_event_t*>(event)->window;
case XCB_DESTROY_NOTIFY:
return reinterpret_cast<xcb_destroy_notify_event_t*>(event)->window;
case XCB_UNMAP_NOTIFY:
return reinterpret_cast<xcb_unmap_notify_event_t*>(event)->window;
case XCB_MAP_NOTIFY:
return reinterpret_cast<xcb_map_notify_event_t*>(event)->window;
case XCB_MAP_REQUEST:
return reinterpret_cast<xcb_map_request_event_t*>(event)->window;
case XCB_REPARENT_NOTIFY:
return reinterpret_cast<xcb_reparent_notify_event_t*>(event)->window;
case XCB_CONFIGURE_NOTIFY:
return reinterpret_cast<xcb_configure_notify_event_t*>(event)->window;
case XCB_CONFIGURE_REQUEST:
return reinterpret_cast<xcb_configure_request_event_t*>(event)->window;
case XCB_GRAVITY_NOTIFY:
return reinterpret_cast<xcb_gravity_notify_event_t*>(event)->window;
case XCB_RESIZE_REQUEST:
return reinterpret_cast<xcb_resize_request_event_t*>(event)->window;
case XCB_CIRCULATE_NOTIFY:
case XCB_CIRCULATE_REQUEST:
return reinterpret_cast<xcb_circulate_notify_event_t*>(event)->window;
case XCB_PROPERTY_NOTIFY:
return reinterpret_cast<xcb_property_notify_event_t*>(event)->window;
case XCB_COLORMAP_NOTIFY:
return reinterpret_cast<xcb_colormap_notify_event_t*>(event)->window;
case XCB_CLIENT_MESSAGE:
return reinterpret_cast<xcb_client_message_event_t*>(event)->window;
default:
// extension handling
if (eventType == Xcb::Extensions::self()->shapeNotifyEvent()) {
return reinterpret_cast<xcb_shape_notify_event_t*>(event)->affected_window;
}
if (eventType == Xcb::Extensions::self()->damageNotifyEvent()) {
return reinterpret_cast<xcb_damage_notify_event_t*>(event)->drawable;
}
return XCB_WINDOW_NONE;
}
}
QVector<QByteArray> 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")});
/*!
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<xcb_generic_error_t*>(e);
const QVector<Xcb::ExtensionData> 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");
}
qWarning("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 (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()
if (!m_windowKiller.isNull() && m_windowKiller->isActive() && m_windowKiller->isResponsibleForEvent(eventType)) {
m_windowKiller->processEvent(e);
// filter out the event
return true;
}
if (eventType == XCB_PROPERTY_NOTIFY || eventType == XCB_CLIENT_MESSAGE) {
NET::Properties dirtyProtocols;
NET::Properties2 dirtyProtocols2;
rootInfo()->event(e, &dirtyProtocols, &dirtyProtocols2);
if (dirtyProtocols & NET::DesktopNames)
VirtualDesktopManager::self()->save();
if (dirtyProtocols2 & NET::WM2DesktopLayout)
VirtualDesktopManager::self()->updateLayout();
}
// events that should be handled before Clients can get them
switch (eventType) {
case XCB_BUTTON_PRESS:
case XCB_BUTTON_RELEASE: {
was_user_interaction = true;
auto *mouseEvent = reinterpret_cast<xcb_button_press_event_t*>(e);
#ifdef KWIN_BUILD_TABBOX
if (TabBox::TabBox::self()->isGrabbed()) {
return TabBox::TabBox::self()->handleMouseEvent(mouseEvent);
}
#endif
if (effects && static_cast<EffectsHandlerImpl*>(effects)->checkInputWindowEvent(mouseEvent)) {
return true;
}
break;
}
case XCB_MOTION_NOTIFY: {
auto *mouseEvent = reinterpret_cast<xcb_motion_notify_event_t*>(e);
const QPoint rootPos(mouseEvent->root_x, mouseEvent->root_y);
#ifdef KWIN_BUILD_TABBOX
if (TabBox::TabBox::self()->isGrabbed()) {
#ifdef KWIN_BUILD_SCREENEDGES
ScreenEdges::self()->check(rootPos, QDateTime::fromMSecsSinceEpoch(xTime()), true);
#endif
return TabBox::TabBox::self()->handleMouseEvent(mouseEvent);
}
#endif
if (effects && static_cast<EffectsHandlerImpl*>(effects)->checkInputWindowEvent(mouseEvent)) {
return true;
}
#ifdef KWIN_BUILD_SCREENEDGES
if (QWidget::mouseGrabber()) {
ScreenEdges::self()->check(rootPos, QDateTime::fromMSecsSinceEpoch(xTime()), true);
} else {
ScreenEdges::self()->check(rootPos, QDateTime::fromMSecsSinceEpoch(mouseEvent->time));
}
#endif
break;
}
case XCB_KEY_PRESS: {
was_user_interaction = true;
int keyQt;
KKeyServer::xcbKeyPressEventToQt(reinterpret_cast<xcb_key_press_event_t*>(e), &keyQt);
// qDebug() << "Workspace::keyPress( " << keyQt << " )";
if (movingClient) {
movingClient->keyPressEvent(keyQt);
return true;
}
#ifdef KWIN_BUILD_TABBOX
if (TabBox::TabBox::self()->isGrabbed()) {
TabBox::TabBox::self()->keyPress(keyQt);
return true;
}
#endif
break;
}
case XCB_KEY_RELEASE:
was_user_interaction = true;
#ifdef KWIN_BUILD_TABBOX
if (TabBox::TabBox::self()->isGrabbed()) {
TabBox::TabBox::self()->keyRelease(reinterpret_cast<xcb_key_release_event_t*>(e));
return true;
}
#endif
break;
case XCB_CONFIGURE_NOTIFY:
if (reinterpret_cast<xcb_configure_notify_event_t*>(e)->event == rootWindow())
x_stacking_dirty = true;
break;
};
const xcb_window_t eventWindow = findEventWindow(e);
if (eventWindow != XCB_WINDOW_NONE) {
if (Client* c = findClient(Predicate::WindowMatch, eventWindow)) {
if (c->windowEvent(e))
return true;
} else if (Client* c = findClient(Predicate::WrapperIdMatch, eventWindow)) {
if (c->windowEvent(e))
return true;
} else if (Client* c = findClient(Predicate::FrameIdMatch, eventWindow)) {
if (c->windowEvent(e))
return true;
} else if (Client *c = findClient(Predicate::InputIdMatch, eventWindow)) {
if (c->windowEvent(e))
return true;
} else if (Unmanaged* c = findUnmanaged(eventWindow)) {
if (c->windowEvent(e))
return true;
} else {
// We want to pass root window property events to effects
if (eventType == XCB_PROPERTY_NOTIFY) {
auto *event = reinterpret_cast<xcb_property_notify_event_t*>(e);
if (event->window == rootWindow()) {
emit propertyNotify(event->atom);
}
}
}
}
if (movingClient) {
if (eventType == XCB_BUTTON_PRESS || eventType == XCB_BUTTON_RELEASE) {
if (movingClient->moveResizeGrabWindow() == reinterpret_cast<xcb_button_press_event_t*>(e)->event && movingClient->windowEvent(e)) {
// we need to pass the button release event to the decoration, otherwise Qt still thinks the button is pressed.
return eventType == XCB_BUTTON_PRESS;
}
} else if (eventType == XCB_MOTION_NOTIFY) {
if (movingClient->moveResizeGrabWindow() == reinterpret_cast<xcb_motion_notify_event_t*>(e)->event && movingClient->windowEvent(e)) {
return true;
}
}
}
switch (eventType) {
case XCB_CREATE_NOTIFY: {
const auto *event = reinterpret_cast<xcb_create_notify_event_t*>(e);
if (event->parent == rootWindow() &&
!QWidget::find(event->window) &&
!event->override_redirect) {
// see comments for allowClientActivation()
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<xcb_unmap_notify_event_t*>(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_DESTROY_NOTIFY: {
return false;
}
case XCB_MAP_REQUEST: {
updateXTime();
const auto *event = reinterpret_cast<xcb_map_request_event_t*>(e);
if (Client* 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 Client::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<xcb_map_notify_event_t*>(e);
if (event->override_redirect) {
Unmanaged* c = findUnmanaged(event->window);
if (c == NULL)
c = createUnmanaged(event->window);
if (c)
return c->windowEvent(e);
}
return (event->event != event->window); // hide wm typical event from Qt
}
case XCB_ENTER_NOTIFY: {
if (QWhatsThis::inWhatsThisMode()) {
QWidget* w = QWidget::find(reinterpret_cast<xcb_enter_notify_event_t*>(e)->event);
if (w)
QWhatsThis::leaveWhatsThisMode();
}
#ifdef KWIN_BUILD_SCREENEDGES
if (ScreenEdges::self()->isEntered(reinterpret_cast<xcb_enter_notify_event_t*>(e)))
return true;
#endif
break;
}
case XCB_LEAVE_NOTIFY: {
if (!QWhatsThis::inWhatsThisMode())
break;
// TODO is this cliente ever found, given that client events are searched above?
const auto *event = reinterpret_cast<xcb_leave_notify_event_t*>(e);
Client* c = findClient(Predicate::FrameIdMatch, event->event);
if (c && event->detail != XCB_NOTIFY_DETAIL_INFERIOR)
QWhatsThis::leaveWhatsThisMode();
break;
}
case XCB_CONFIGURE_REQUEST: {
const auto *event = reinterpret_cast<xcb_configure_request_event_t*>(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<xcb_focus_in_event_t*>(e);
if (event->event == rootWindow()
&& (event->detail == XCB_NOTIFY_DETAIL_NONE || event->detail == XCB_NOTIFY_DETAIL_POINTER_ROOT)) {
Xcb::CurrentInput currentInput;
updateXTime(); // focusToNull() uses xTime(), which is old now (FocusIn has no timestamp)
if (!currentInput.isNull() && (currentInput->focus == XCB_WINDOW_NONE || currentInput->focus == XCB_INPUT_FOCUS_POINTER_ROOT)) {
//kWarning( 1212 ) << "X focus set to None/PointerRoot, reseting focus" ;
Client *c = mostRecentlyActivatedClient();
if (c != NULL)
requestFocus(c, true);
else if (activateNextClient(NULL))
; // 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
case XCB_CLIENT_MESSAGE:
#ifdef KWIN_BUILD_SCREENEDGES
if (ScreenEdges::self()->isEntered(reinterpret_cast<xcb_client_message_event_t*>(e)))
return true;
#endif
break;
case XCB_EXPOSE: {
const auto *event = reinterpret_cast<xcb_expose_event_t*>(e);
if (compositing()
&& (event->window == rootWindow() // root window needs repainting
|| (m_compositor->overlayWindow() != XCB_WINDOW_NONE && event->window == m_compositor->overlayWindow()))) { // overlay needs repainting
m_compositor->addRepaint(event->x, event->y, event->width, event->height);
}
break;
}
case XCB_VISIBILITY_NOTIFY: {
const auto *event = reinterpret_cast<xcb_visibility_notify_event_t*>(e);
if (compositing() && m_compositor->overlayWindow() != XCB_WINDOW_NONE && event->window == m_compositor->overlayWindow()) {
bool was_visible = m_compositor->isOverlayWindowVisible();
m_compositor->setOverlayWindowVisibility((event->state != XCB_VISIBILITY_FULLY_OBSCURED));
if (!was_visible && m_compositor->isOverlayWindowVisible()) {
// hack for #154825
m_compositor->addRepaintFull();
QTimer::singleShot(2000, m_compositor, SLOT(addRepaintFull()));
}
m_compositor->scheduleRepaint();
}
break;
}
default:
if (eventType == Xcb::Extensions::self()->randrNotifyEvent() && Xcb::Extensions::self()->isRandrAvailable()) {
auto *event = reinterpret_cast<xcb_randr_screen_change_notify_event_t*>(e);
xcb_screen_t *screen = defaultScreen();
if (event->rotation & (XCB_RANDR_ROTATION_ROTATE_90 | XCB_RANDR_ROTATION_ROTATE_270)) {
screen->width_in_pixels = event->height;
screen->height_in_pixels = event->width;
screen->width_in_millimeters = event->mheight;
screen->height_in_millimeters = event->mwidth;
} else {
screen->width_in_pixels = event->width;
screen->height_in_pixels = event->height;
screen->width_in_millimeters = event->mwidth;
screen->height_in_millimeters = event->mheight;
}
if (compositing()) {
// desktopResized() should take care of when the size or
// shape of the desktop has changed, but we also want to
// catch refresh rate changes
if (m_compositor->xrrRefreshRate() != currentRefreshRate())
m_compositor->setCompositeResetTimer(0);
}
} else if (eventType == Xcb::Extensions::self()->syncAlarmNotifyEvent() && Xcb::Extensions::self()->isSyncAvailable()) {
for (Client *c : clients)
c->syncEvent(reinterpret_cast< xcb_sync_alarm_notify_event_t* >(e));
for (Client *c : desktops)
c->syncEvent(reinterpret_cast< xcb_sync_alarm_notify_event_t* >(e));
} else if (eventType == Xcb::Extensions::self()->fixesCursorNotifyEvent() && Xcb::Extensions::self()->isFixesAvailable()) {
Cursor::self()->notifyCursorChanged(reinterpret_cast<xcb_xfixes_cursor_notify_event_t*>(e)->cursor_serial);
}
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 Client::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(), 0, 0);
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());
}
}
const uint8_t eventType = e->response_type & ~0x80;
switch(eventType) {
case XCB_UNMAP_NOTIFY:
unmapNotifyEvent(reinterpret_cast<xcb_unmap_notify_event_t*>(e));
break;
case XCB_DESTROY_NOTIFY:
destroyNotifyEvent(reinterpret_cast<xcb_destroy_notify_event_t*>(e));
break;
case XCB_MAP_REQUEST:
// this one may pass the event to workspace
return mapRequestEvent(reinterpret_cast<xcb_map_request_event_t*>(e));
case XCB_CONFIGURE_REQUEST:
configureRequestEvent(reinterpret_cast<xcb_configure_request_event_t*>(e));
break;
case XCB_PROPERTY_NOTIFY:
propertyNotifyEvent(reinterpret_cast<xcb_property_notify_event_t*>(e));
break;
case XCB_KEY_PRESS:
updateUserTime();
workspace()->setWasUserInteraction();
break;
case XCB_BUTTON_PRESS: {
const auto *event = reinterpret_cast<xcb_button_press_event_t*>(e);
updateUserTime();
workspace()->setWasUserInteraction();
buttonPressEvent(event->event, event->detail, event->state,
event->event_x, event->event_y, event->root_x, event->root_y);
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<xcb_button_release_event_t*>(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<xcb_motion_notify_event_t*>(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<xcb_enter_notify_event_t*>(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<xcb_leave_notify_event_t*>(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<xcb_focus_in_event_t*>(e));
break;
case XCB_FOCUS_OUT:
focusOutEvent(reinterpret_cast<xcb_focus_out_event_t*>(e));
break;
case XCB_REPARENT_NOTIFY:
break;
case XCB_CLIENT_MESSAGE:
clientMessageEvent(reinterpret_cast<xcb_client_message_event_t*>(e));
break;
default:
if (eventType == Xcb::Extensions::self()->shapeNotifyEvent() && reinterpret_cast<xcb_shape_notify_event_t*>(e)->affected_window == window()) {
detectShape(window()); // workaround for #19644
updateShape();
}
if (eventType == Xcb::Extensions::self()->damageNotifyEvent() && reinterpret_cast<xcb_damage_notify_event_t*>(e)->drawable == frameId())
damageNotifyEvent();
break;
}
return true; // eat all events
}
/*!
Handles map requests of the client window
*/
bool Client::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 Client::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 Client::destroyNotifyEvent(xcb_destroy_notify_event_t *e)
{
if (e->window != window())
return;
destroyClient();
}
/*!
Handles client messages for the client window
*/
void Client::clientMessageEvent(xcb_client_message_event_t *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 Client::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 (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
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 Client::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 Client::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:
getWMHints();
getIcons(); // because KWin::icon() uses WMHints as fallback
break;
default:
if (e->atom == atoms->wm_protocols)
getWindowProtocols();
else 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();
break;
}
}
void Client::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
if (options->focusPolicy() == Options::ClickToFocus || workspace()->userActionsMenu()->isShown())
return;
QPoint currentPos(e->root_x, e->root_y);
if (options->isAutoRaise() && !isDesktop() &&
!isDock() && workspace()->focusChangeEnabled() &&
currentPos != workspace()->focusMousePosition() &&
workspace()->topClientOnDesktop(VirtualDesktopManager::self()->current(),
options->isSeparateScreenFocus() ? screen() : -1) != this) {
delete autoRaiseTimer;
autoRaiseTimer = new QTimer(this);
connect(autoRaiseTimer, SIGNAL(timeout()), this, SLOT(autoRaise()));
autoRaiseTimer->setSingleShot(true);
autoRaiseTimer->start(options->autoRaiseInterval());
}
if (isDesktop() || isDock())
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()) {
workspace()->requestDelayFocus(this);
}
return;
}
}
void Client::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 (!buttonDown) {
mode = 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) {
cancelAutoRaise();
workspace()->cancelDelayFocus();
cancelShadeHoverTimer();
if (shade_mode == ShadeHover && !moveResizeMode && !buttonDown) {
shadeHoverTimer = new QTimer(this);
connect(shadeHoverTimer, SIGNAL(timeout()), this, SLOT(shadeUnhover()));
shadeHoverTimer->setSingleShot(true);
shadeHoverTimer->start(options->shadeHoverInterval());
}
}
if (options->focusPolicy() == Options::FocusStrictlyUnderMouse && isActive() && lostMouse) {
workspace()->requestDelayFocus(0);
}
return;
}
}
#define XCapL KKeyServer::modXLock()
#define XNumL KKeyServer::modXNumLock()
#define XScrL KKeyServer::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)
m_wrapper.grabButton(XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, modifier | mods[ i ]);
}
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)
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 Client::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);
}
}
// 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(QObject* o, QEvent* e)
{
if (decoration == NULL
|| (o != decoration->widget() && o != decoration->window()))
return false;
if (e->type() == QEvent::MouseButtonPress && decoration->widget()) {
QMouseEvent* ev = static_cast< QMouseEvent* >(e);
return buttonPressEvent(decorationId(), qtToX11Button(ev->button()), qtToX11State(ev->buttons(), ev->modifiers()),
ev->x(), ev->y(), ev->globalX(), ev->globalY());
}
if (e->type() == QEvent::MouseButtonRelease) {
QMouseEvent* ev = static_cast< QMouseEvent* >(e);
return buttonReleaseEvent(decorationId(), qtToX11Button(ev->button()), qtToX11State(ev->buttons(), ev->modifiers()),
ev->x(), ev->y(), ev->globalX(), ev->globalY());
}
if (e->type() == QEvent::MouseMove) { // FRAME i fake z enter/leave?
QMouseEvent* ev = static_cast< QMouseEvent* >(e);
return motionNotifyEvent(decorationId(), qtToX11State(ev->buttons(), ev->modifiers()),
ev->x(), ev->y(), ev->globalX(), ev->globalY());
}
if (e->type() == QEvent::Wheel) {
QWheelEvent* ev = static_cast< QWheelEvent* >(e);
bool r = buttonPressEvent(decorationId(), ev->delta() > 0 ? Button4 : Button5, qtToX11State(ev->buttons(), ev->modifiers()),
ev->x(), ev->y(), ev->globalX(), ev->globalY());
r = r || buttonReleaseEvent(decorationId(), ev->delta() > 0 ? Button4 : Button5, qtToX11State(ev->buttons(), ev->modifiers()),
ev->x(), ev->y(), ev->globalX(), ev->globalY());
return r;
}
if (e->type() == QEvent::Resize && decoration->widget()) {
QResizeEvent* ev = static_cast< QResizeEvent* >(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() + QSize(padding_left + padding_right, padding_top + padding_bottom)))
return true;
// HACK: Avoid decoration redraw delays. On resize Qt sets WA_WStateConfigPending
// which delays all painting until a matching ConfigureNotify event comes.
// But this process itself is the window manager, so it's not needed
// to wait for that event, the geometry is known.
// Note that if Qt in the future changes how this flag is handled and what it
// triggers then this may potentionally break things. See mainly QETWidget::translateConfigEvent().
decoration->widget()->setAttribute(Qt::WA_WState_ConfigPending, false);
decoration->widget()->update();
return false;
}
if (e->type() == QEvent::ZOrderChange) {
// when the user actions menu is closed by clicking on the window decoration (which is not unlikely)
// Qt will raise the decoration window and thus the decoration window is above the actual Client
// see QWidgetWindow::handleMouseEvent (qtbase/src/widgets/kernel/qwidgetwindow.cpp)
// when this happens also a ZOrderChange event is sent, we intercept all of them and make sure that
// the window is lowest in stack again.
Xcb::lowerWindow(decorationId());
}
return false;
}
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 Client::buttonPressEvent(xcb_window_t w, int button, int state, int x, int y, int x_root, int y_root)
{
if (buttonDown) {
if (w == wrapperId())
xcb_allow_events(connection(), XCB_ALLOW_SYNC_POINTER, XCB_TIME_CURRENT_TIME); //xTime());
return true;
}
if (w == wrapperId() || w == frameId() || w == decorationId() || w == inputId()) {
// FRAME neco s tohohle by se melo zpracovat, nez to dostane dekorace
updateUserTime();
workspace()->setWasUserInteraction();
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 {
// inactive inner window
if (!isActive() && w == wrapperId() && button < 6) {
was_action = true;
switch(button) {
case XCB_BUTTON_INDEX_1:
com = options->commandWindow1();
break;
case XCB_BUTTON_INDEX_2:
com = options->commandWindow2();
break;
case XCB_BUTTON_INDEX_3:
com = options->commandWindow3();
break;
case XCB_BUTTON_INDEX_4:
case XCB_BUTTON_INDEX_5:
com = options->commandWindowWheel();
break;
}
}
// active inner window
if (isActive() && w == wrapperId()
&& options->isClickRaise() && button < 4) { // exclude wheel
com = Options::MouseActivateRaiseAndPassClick;
was_action = true;
}
}
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 - geometry().x() + padding_left;
y = y_root - geometry().y() + padding_top;
// New API processes core events FIRST and only passes unused ones to the decoration
return processDecorationButtonPress(button, state, x, y, x_root, y_root, true);
}
if (w == decorationId()) {
return false;
}
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
bool Client::processDecorationButtonPress(int button, int /*state*/, int x, int y, int x_root, int y_root,
bool ignoreMenu)
{
Options::MouseCommand com = Options::MouseNothing;
bool active = isActive();
if (!wantsInput()) // we cannot be active, use it anyway
active = true;
if (button == XCB_BUTTON_INDEX_1)
com = active ? options->commandActiveTitlebar1() : options->commandInactiveTitlebar1();
else if (button == XCB_BUTTON_INDEX_2)
com = active ? options->commandActiveTitlebar2() : options->commandInactiveTitlebar2();
else if (button == XCB_BUTTON_INDEX_3)
com = active ? options->commandActiveTitlebar3() : options->commandInactiveTitlebar3();
if (button == XCB_BUTTON_INDEX_1
&& com != Options::MouseOperationsMenu // actions where it's not possible to get the matching
&& com != Options::MouseMinimize // mouse release event
&& com != Options::MouseDragTab) {
mode = mousePosition(QPoint(x, y));
buttonDown = true;
moveOffset = QPoint(x - padding_left, y - padding_top);
invertedMoveOffset = rect().bottomRight() - moveOffset;
unrestrictedMoveResize = false;
startDelayedMoveResize();
updateCursor();
}
// In the new API the decoration may process the menu action to display an inactive tab's menu.
// If the event is unhandled then the core will create one for the active window in the group.
if (!ignoreMenu || com != Options::MouseOperationsMenu)
performMouseCommand(com, QPoint(x_root, y_root));
return !( // Return events that should be passed to the decoration in the new API
com == Options::MouseRaise ||
com == Options::MouseOperationsMenu ||
com == Options::MouseActivateAndRaise ||
com == Options::MouseActivate ||
com == Options::MouseActivateRaiseAndPassClick ||
com == Options::MouseActivateAndPassClick ||
com == Options::MouseDragTab ||
com == Options::MouseNothing);
}
// called from decoration
void Client::processMousePressEvent(QMouseEvent* e)
{
if (e->type() != QEvent::MouseButtonPress) {
qWarning() << "processMousePressEvent()" ;
return;
}
int button;
switch(e->button()) {
case Qt::LeftButton:
button = XCB_BUTTON_INDEX_1;
break;
case Qt::MidButton:
button = XCB_BUTTON_INDEX_2;
break;
case Qt::RightButton:
button = XCB_BUTTON_INDEX_3;
break;
default:
return;
}
processDecorationButtonPress(button, e->buttons(), e->x(), e->y(), e->globalX(), e->globalY());
}
// return value matters only when filtering events before decoration gets them
bool Client::buttonReleaseEvent(xcb_window_t w, int button, int state, int x, int y, int x_root, int y_root)
{
if (w == decorationId() && !buttonDown)
return false;
if (w == wrapperId()) {
xcb_allow_events(connection(), XCB_ALLOW_SYNC_POINTER, XCB_TIME_CURRENT_TIME); //xTime());
return true;
}
if (w != frameId() && w != decorationId() && w != inputId() && w != moveResizeGrabWindow())
return true;
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) {
buttonDown = false;
stopDelayedMoveResize();
if (moveResizeMode) {
finishMoveResize(false);
// mouse position is still relative to old Client position, adjust it
QPoint mousepos(x_root - x + padding_left, y_root - y + padding_top);
mode = mousePosition(mousepos);
} else if (decorationPlugin()->supportsTabbing())
return false;
updateCursor();
}
return true;
}
// Checks if the mouse cursor is near the edge of the screen and if so activates quick tiling or maximization
void Client::checkQuickTilingMaximizationZones(int xroot, int yroot)
{
QuickTileMode mode = QuickTileNone;
for (int i=0; i<screens()->count(); ++i) {
if (!screens()->geometry(i).contains(QPoint(xroot, yroot)))
continue;
QRect area = workspace()->clientArea(MaximizeArea, QPoint(xroot, yroot), desktop());
if (options->electricBorderTiling()) {
if (xroot <= area.x() + 20)
mode |= QuickTileLeft;
else if (xroot >= area.x() + area.width() - 20)
mode |= QuickTileRight;
}
if (mode != QuickTileNone) {
if (yroot <= area.y() + area.height() * options->electricBorderCornerRatio())
mode |= QuickTileTop;
else if (yroot >= area.y() + area.height() - area.height() * options->electricBorderCornerRatio())
mode |= QuickTileBottom;
} else if (options->electricBorderMaximize() && yroot <= area.y() + 5 && isMaximizable())
mode = QuickTileMaximize;
break; // no point in checking other screens to contain this... "point"...
}
setElectricBorderMode(mode);
setElectricBorderMaximizing(mode != QuickTileNone);
}
// return value matters only when filtering events before decoration gets them
bool Client::motionNotifyEvent(xcb_window_t w, int state, int x, int y, int x_root, int y_root)
{
if (w != frameId() && w != decorationId() && w != inputId() && w != moveResizeGrabWindow())
return true; // care only about the whole frame
if (!buttonDown) {
QPoint mousePos(x, y);
if (w == frameId())
mousePos += QPoint(padding_left, padding_top);
if (w == inputId()) {
int x = x_root - geometry().x() + padding_left;
int y = y_root - geometry().y() + padding_top;
mousePos = QPoint(x, y);
}
Position newmode = modKeyDown(state) ? PositionCenter : mousePosition(mousePos);
if (newmode != mode) {
mode = newmode;
updateCursor();
}
return false;
}
if (w == moveResizeGrabWindow()) {
x = this->x(); // translate from grab window to local coords
y = this->y();
}
const QRect oldGeo = geometry();
handleMoveResize(x, y, x_root, y_root);
if (!isFullScreen() && isMove()) {
if (quick_tile_mode != QuickTileNone && oldGeo != geometry()) {
GeometryUpdatesBlocker blocker(this);
setQuickTileMode(QuickTileNone);
moveOffset = QPoint(double(moveOffset.x()) / double(oldGeo.width()) * double(geom_restore.width()),
double(moveOffset.y()) / double(oldGeo.height()) * double(geom_restore.height()));
moveResizeGeom = geom_restore;
handleMoveResize(x, y, x_root, y_root); // fix position
} else if (quick_tile_mode == QuickTileNone && isResizable()) {
checkQuickTilingMaximizationZones(x_root, y_root);
}
}
return true;
}
void Client::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([](Client *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 Client::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 Client::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 Client::NETMoveResize(int x_root, int y_root, NET::Direction direction)
{
if (direction == NET::Move)
performMouseCommand(Options::MouseMove, QPoint(x_root, y_root));
else if (moveResizeMode && direction == NET::MoveResizeCancel) {
finishMoveResize(true);
buttonDown = 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 (moveResizeMode)
finishMoveResize(false);
buttonDown = true;
moveOffset = QPoint(x_root - x(), y_root - y()); // map from global
invertedMoveOffset = rect().bottomRight() - moveOffset;
unrestrictedMoveResize = false;
mode = convert[ direction ];
if (!startMoveResize())
buttonDown = false;
updateCursor();
} else if (direction == NET::KeyboardMove) {
// ignore mouse coordinates given in the message, mouse position is used by the moving algorithm
Cursor::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
Cursor::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 & ~Qt::KeyboardModifierMask;
int delta = is_control ? 1 : is_alt ? 32 : 8;
QPoint pos = Cursor::pos();
switch(key_code) {
case Qt::Key_Left:
pos.rx() -= delta;
break;
case Qt::Key_Right:
pos.rx() += delta;
break;
case Qt::Key_Up:
pos.ry() -= delta;
break;
case Qt::Key_Down:
pos.ry() += delta;
break;
case Qt::Key_Space:
case Qt::Key_Return:
case Qt::Key_Enter:
finishMoveResize(false);
buttonDown = false;
updateCursor();
break;
case Qt::Key_Escape:
finishMoveResize(true);
buttonDown = false;
updateCursor();
break;
default:
return;
}
Cursor::setPos(pos);
}
void Client::syncEvent(xcb_sync_alarm_notify_event_t* e)
{
if (e->alarm == syncRequest.alarm && e->counter_value.hi == syncRequest.value.hi && e->counter_value.lo == syncRequest.value.lo) {
setReadyForPainting();
syncRequest.isPending = false;
if (syncRequest.failsafeTimeout)
syncRequest.failsafeTimeout->stop();
if (isResize()) {
if (syncRequest.timeout)
syncRequest.timeout->stop();
performMoveResize();
} else // setReadyForPainting does as well, but there's a small chance for resize syncs after the resize ended
addRepaintFull();
}
}
// ****************************************
// 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.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());
// 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.
QTimer::singleShot(1, this, SLOT(release()));
break;
}
case XCB_CONFIGURE_NOTIFY:
configureNotifyEvent(reinterpret_cast<xcb_configure_notify_event_t*>(e));
break;
case XCB_PROPERTY_NOTIFY:
propertyNotifyEvent(reinterpret_cast<xcb_property_notify_event_t*>(e));
break;
default: {
if (eventType == Xcb::Extensions::self()->shapeNotifyEvent()) {
detectShape(window());
addRepaintFull();
addWorkspaceRepaint(geometry()); // in case shape change removes part of this window
emit geometryShapeChanged(this, geometry());
}
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<EffectsHandlerImpl*>(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)
getShadow();
else if (e->atom == atoms->net_wm_opaque_region)
getWmOpaqueRegion();
else if (e->atom == atoms->kde_skip_close_animation)
getSkipCloseAnimation();
break;
}
emit propertyNotify(this, e->atom);
}
} // namespace
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