18#include "TopLevelWindowModel.h"
19#include "WindowManagerObjects.h"
22#include <lomiri/shell/application/ApplicationInfoInterface.h>
23#include <lomiri/shell/application/ApplicationManagerInterface.h>
24#include <lomiri/shell/application/MirSurfaceInterface.h>
25#include <lomiri/shell/application/MirSurfaceListInterface.h>
26#include <lomiri/shell/application/SurfaceManagerInterface.h>
34#include "InputMethodManager.h"
36Q_LOGGING_CATEGORY(TOPLEVELWINDOWMODEL,
"toplevelwindowmodel", QtInfoMsg)
38#define DEBUG_MSG qCDebug(TOPLEVELWINDOWMODEL).nospace().noquote() << __func__
39#define INFO_MSG qCInfo(TOPLEVELWINDOWMODEL).nospace().noquote() << __func__
41namespace lomiriapi = lomiri::shell::application;
43TopLevelWindowModel::TopLevelWindowModel(Workspace* workspace)
44 : m_nullWindow(createWindow(nullptr)),
45 m_workspace(workspace),
46 m_surfaceManagerBusy(false)
48 connect(WindowManagerObjects::instance(), &WindowManagerObjects::applicationManagerChanged,
49 this, &TopLevelWindowModel::setApplicationManager);
50 connect(WindowManagerObjects::instance(), &WindowManagerObjects::surfaceManagerChanged,
51 this, &TopLevelWindowModel::setSurfaceManager);
53 setApplicationManager(WindowManagerObjects::instance()->applicationManager());
54 setSurfaceManager(WindowManagerObjects::instance()->surfaceManager());
56 connect(m_nullWindow, &Window::focusedChanged,
this, [
this] {
57 Q_EMIT rootFocusChanged();
61TopLevelWindowModel::~TopLevelWindowModel()
65void TopLevelWindowModel::setApplicationManager(lomiriapi::ApplicationManagerInterface* value)
67 if (m_applicationManager == value) {
71 DEBUG_MSG <<
"(" << value <<
")";
73 Q_ASSERT(m_modelState == IdleState);
74 m_modelState = ResettingState;
78 if (m_applicationManager) {
79 disconnect(m_applicationManager, 0,
this, 0);
82 m_applicationManager = value;
84 if (m_applicationManager) {
85 connect(m_applicationManager, &QAbstractItemModel::rowsInserted,
86 this, [
this](
const QModelIndex &,
int first,
int last) {
87 if (!m_workspace || !m_workspace->isActive())
90 for (
int i = first; i <= last; ++i) {
91 auto application = m_applicationManager->get(i);
92 addApplication(application);
96 connect(m_applicationManager, &QAbstractItemModel::rowsAboutToBeRemoved,
97 this, [
this](
const QModelIndex &,
int first,
int last) {
98 for (
int i = first; i <= last; ++i) {
99 auto application = m_applicationManager->get(i);
100 removeApplication(application);
108 m_modelState = IdleState;
111void TopLevelWindowModel::setSurfaceManager(lomiriapi::SurfaceManagerInterface *surfaceManager)
113 if (surfaceManager == m_surfaceManager) {
117 DEBUG_MSG <<
"(" << surfaceManager <<
")";
119 Q_ASSERT(m_modelState == IdleState);
120 m_modelState = ResettingState;
124 if (m_surfaceManager) {
125 disconnect(m_surfaceManager, 0,
this, 0);
128 m_surfaceManager = surfaceManager;
130 if (m_surfaceManager) {
131 connect(m_surfaceManager, &lomiriapi::SurfaceManagerInterface::surfacesAddedToWorkspace,
this, &TopLevelWindowModel::onSurfacesAddedToWorkspace);
132 connect(m_surfaceManager, &lomiriapi::SurfaceManagerInterface::surfacesRaised,
this, &TopLevelWindowModel::onSurfacesRaised);
133 connect(m_surfaceManager, &lomiriapi::SurfaceManagerInterface::surfaceRemoved,
this, &TopLevelWindowModel::onSurfaceDestroyed);
134 connect(m_surfaceManager, &lomiriapi::SurfaceManagerInterface::modificationsStarted,
this, &TopLevelWindowModel::onModificationsStarted);
135 connect(m_surfaceManager, &lomiriapi::SurfaceManagerInterface::modificationsEnded,
this, &TopLevelWindowModel::onModificationsEnded);
141 m_modelState = IdleState;
144void TopLevelWindowModel::addApplication(lomiriapi::ApplicationInfoInterface *application)
146 DEBUG_MSG <<
"(" << application->appId() <<
")";
148 if (application->state() != lomiriapi::ApplicationInfoInterface::Stopped && application->surfaceList()->count() == 0) {
149 prependPlaceholder(application);
153void TopLevelWindowModel::removeApplication(lomiriapi::ApplicationInfoInterface *application)
155 DEBUG_MSG <<
"(" << application->appId() <<
")";
157 Q_ASSERT(m_modelState == IdleState);
160 while (i < m_windowModel.count()) {
161 if (m_windowModel.at(i).application == application) {
169void TopLevelWindowModel::prependPlaceholder(lomiriapi::ApplicationInfoInterface *application)
171 DEBUG_MSG <<
"(" << application->appId() <<
")";
173 if (!application->showSplash())
176 prependSurfaceHelper(
nullptr, application);
179void TopLevelWindowModel::prependSurface(lomiriapi::MirSurfaceInterface *surface, lomiriapi::ApplicationInfoInterface *application)
181 Q_ASSERT(surface !=
nullptr);
183 connectSurface(surface);
184 m_allSurfaces.insert(surface);
186 bool filledPlaceholder =
false;
187 for (
int i = 0; i < m_windowModel.count() && !filledPlaceholder; ++i) {
188 ModelEntry &entry = m_windowModel[i];
189 if (entry.application == application && (entry.window->surface() ==
nullptr || !entry.window->surface()->live())) {
190 entry.window->setSurface(surface);
191 DEBUG_MSG <<
" appId=" << application->appId() <<
" surface=" << surface
192 <<
", filling out placeholder. after: " << toString();
193 filledPlaceholder =
true;
197 if (!filledPlaceholder) {
198 DEBUG_MSG <<
" appId=" << application->appId() <<
" surface=" << surface <<
", adding new row";
199 prependSurfaceHelper(surface, application);
203void TopLevelWindowModel::prependSurfaceHelper(lomiriapi::MirSurfaceInterface *surface, lomiriapi::ApplicationInfoInterface *application)
206 Window *window = createWindow(surface);
208 connect(window, &Window::stateChanged,
this, [=](Mir::State newState) {
209 if (newState == Mir::HiddenState) {
215 auto *application = m_applicationManager->findApplicationWithSurface(window->
surface());
216 Q_ASSERT(application);
217 prependWindow(window, application);
222 prependWindow(window, application);
227 DEBUG_MSG <<
" after " << toString();
230void TopLevelWindowModel::prependWindow(
Window *window, lomiriapi::ApplicationInfoInterface *application)
232 if (m_modelState == IdleState) {
233 m_modelState = InsertingState;
234 beginInsertRows(QModelIndex(), 0 , 0 );
236 Q_ASSERT(m_modelState == ResettingState);
240 m_windowModel.prepend(ModelEntry(window, application));
242 if (m_modelState == InsertingState) {
244 Q_EMIT countChanged();
246 m_modelState = IdleState;
250void TopLevelWindowModel::connectWindow(
Window *window)
254 activateEmptyWindow(window);
258 connect(window, &Window::focusedChanged,
this, [
this, window](
bool focused) {
261 setFocusedWindow(window);
262 m_focusedWindowCleared = false;
263 }
else if (m_focusedWindow == window) {
267 m_focusedWindowCleared =
true;
275 connect(window, &Window::closeRequested,
this, [
this, window]() {
278 int id = window->id();
279 int index = indexForId(id);
280 bool focusOther = false;
281 Q_ASSERT(index >= 0);
282 if (window->focused()) {
285 m_windowModel[index].application->close();
287 activateTopMostWindowWithoutId(
id);
292 connect(window, &Window::emptyWindowActivated,
this, [
this, window]() {
293 activateEmptyWindow(window);
296 connect(window, &Window::liveChanged,
this, [
this, window](
bool isAlive) {
297 if (!isAlive && window->
state() == Mir::HiddenState) {
304void TopLevelWindowModel::activateEmptyWindow(
Window *window)
307 DEBUG_MSG <<
"(" << window <<
")";
312 window->setFocused(
true);
314 Window *previousWindow = m_focusedWindow;
315 setFocusedWindow(window);
316 if (previousWindow && previousWindow->
surface() && previousWindow->
surface()->focused()) {
317 m_surfaceManager->activate(
nullptr);
321void TopLevelWindowModel::connectSurface(lomiriapi::MirSurfaceInterface *surface)
323 connect(surface, &lomiriapi::MirSurfaceInterface::liveChanged,
this, [
this, surface](
bool live){
325 onSurfaceDied(surface);
328 connect(surface, &QObject::destroyed,
this, [
this, surface](QObject*){ this->onSurfaceDestroyed(surface); });
331void TopLevelWindowModel::onSurfaceDied(lomiriapi::MirSurfaceInterface *surface)
333 if (surface->type() == Mir::InputMethodType) {
334 removeInputMethodWindow();
338 int i = indexOf(surface);
343 auto application = m_windowModel[i].application;
345 DEBUG_MSG <<
" application->name()=" << application->name()
346 <<
" application->state()=" << application->state();
352 if (application->surfaceList()->count() == 1)
353 m_windowModel[i].removeOnceSurfaceDestroyed =
false;
355 m_windowModel[i].removeOnceSurfaceDestroyed =
true;
358void TopLevelWindowModel::onSurfaceDestroyed(lomiriapi::MirSurfaceInterface *surface)
360 int i = indexOf(surface);
365 auto application = m_windowModel[i].application;
366 if (application->appId() == QStringLiteral(
"xwayland.qtmir")) {
367 m_windowModel[i].removeOnceSurfaceDestroyed =
true;
370 if (m_windowModel[i].removeOnceSurfaceDestroyed) {
373 auto window = m_windowModel[i].window;
374 window->setFocused(
false);
375 m_allSurfaces.remove(surface);
376 DEBUG_MSG <<
" Removed surface from entry. After: " << toString();
380Window *TopLevelWindowModel::createWindow(lomiriapi::MirSurfaceInterface *surface)
382 int id = m_nextId.fetchAndAddAcquire(1);
383 return createWindowWithId(surface,
id);
386Window *TopLevelWindowModel::createNullWindow()
388 return createWindowWithId(
nullptr, 0);
391Window *TopLevelWindowModel::createWindowWithId(lomiriapi::MirSurfaceInterface *surface,
int id)
394 connectWindow(qmlWindow);
396 qmlWindow->setSurface(surface);
401void TopLevelWindowModel::onSurfacesAddedToWorkspace(
const std::shared_ptr<miral::Workspace>& workspace,
402 const QVector<lomiri::shell::application::MirSurfaceInterface*> surfaces)
404 if (!m_workspace || !m_applicationManager)
return;
405 if (workspace != m_workspace->workspace()) {
406 removeSurfaces(surfaces);
410 Q_FOREACH(
auto surface, surfaces) {
411 if (m_allSurfaces.contains(surface))
continue;
413 if (surface->parentSurface()) {
415 Window *window = createWindow(surface);
416 connect(surface, &QObject::destroyed, window, [=](){
417 window->setSurface(
nullptr);
418 window->deleteLater();
421 if (surface->type() == Mir::InputMethodType) {
422 connectSurface(surface);
423 setInputMethodWindow(createWindow(surface));
425 auto *application = m_applicationManager->findApplicationWithSurface(surface);
427 if (surface->state() == Mir::HiddenState) {
429 connect(surface, &lomiriapi::MirSurfaceInterface::stateChanged,
this, [=](Mir::State newState) {
430 Q_ASSERT(newState != Mir::HiddenState);
431 disconnect(surface, &lomiriapi::MirSurfaceInterface::stateChanged,
this, 0);
432 prependSurface(surface, application);
435 prependSurface(surface, application);
441 Window *promptWindow = createWindow(surface);
442 connect(surface, &QObject::destroyed, promptWindow, [=](){
443 promptWindow->setSurface(
nullptr);
444 promptWindow->deleteLater();
452void TopLevelWindowModel::removeSurfaces(
const QVector<lomiri::shell::application::MirSurfaceInterface *> surfaces)
456 for (
auto iter = surfaces.constBegin(); iter != surfaces.constEnd();) {
457 auto surface = *iter;
461 start = end = indexOf(surface);
464 m_allSurfaces.remove(surface);
467 while(iter != surfaces.constEnd()) {
468 int index = indexOf(*iter);
469 if (index != end+1) {
476 if (m_modelState == IdleState) {
477 beginRemoveRows(QModelIndex(), start, end);
478 m_modelState = RemovingState;
480 Q_ASSERT(m_modelState == ResettingState);
484 for (
int index = start; index <= end; index++) {
485 auto window = m_windowModel[start].window;
486 window->setSurface(
nullptr);
487 window->setFocused(
false);
489 if (window == m_previousWindow) {
490 m_previousWindow =
nullptr;
493 m_windowModel.removeAt(start);
494 m_allSurfaces.remove(surface);
497 if (m_modelState == RemovingState) {
499 Q_EMIT countChanged();
501 m_modelState = IdleState;
506void TopLevelWindowModel::deleteAt(
int index)
508 auto window = m_windowModel[index].window;
512 window->setSurface(
nullptr);
517void TopLevelWindowModel::removeAt(
int index)
519 if (m_modelState == IdleState) {
520 beginRemoveRows(QModelIndex(), index, index);
521 m_modelState = RemovingState;
523 Q_ASSERT(m_modelState == ResettingState);
527 auto window = m_windowModel[index].window;
528 auto surface = window->
surface();
531 window->setFocused(
false);
534 if (window == m_previousWindow) {
535 m_previousWindow =
nullptr;
538 m_windowModel.removeAt(index);
539 m_allSurfaces.remove(surface);
541 if (m_modelState == RemovingState) {
543 Q_EMIT countChanged();
545 m_modelState = IdleState;
548 if (m_focusedWindow == window) {
549 setFocusedWindow(
nullptr);
550 m_focusedWindowCleared =
false;
553 if (m_previousWindow == window) {
554 m_previousWindow =
nullptr;
557 if (m_closingAllApps) {
558 if (m_windowModel.isEmpty()) {
559 Q_EMIT closedAllWindows();
563 DEBUG_MSG <<
" after " << toString() <<
" apps left " << m_windowModel.count();
566void TopLevelWindowModel::setInputMethodWindow(
Window *window)
568 if (m_inputMethodWindow) {
569 qWarning(
"Multiple Input Method Surfaces created, removing the old one!");
570 delete m_inputMethodWindow;
572 m_inputMethodWindow = window;
573 Q_EMIT inputMethodSurfaceChanged(m_inputMethodWindow->
surface());
574 InputMethodManager::instance()->setWindow(window);
577void TopLevelWindowModel::removeInputMethodWindow()
579 if (m_inputMethodWindow) {
580 auto surface = m_inputMethodWindow->
surface();
582 m_allSurfaces.remove(surface);
584 if (m_focusedWindow == m_inputMethodWindow) {
585 setFocusedWindow(
nullptr);
586 m_focusedWindowCleared =
false;
589 delete m_inputMethodWindow;
590 m_inputMethodWindow =
nullptr;
591 Q_EMIT inputMethodSurfaceChanged(
nullptr);
592 InputMethodManager::instance()->setWindow(
nullptr);
596void TopLevelWindowModel::onSurfacesRaised(
const QVector<lomiriapi::MirSurfaceInterface*> &surfaces)
598 DEBUG_MSG <<
"(" << surfaces <<
")";
599 const int raiseCount = surfaces.size();
600 for (
int i = 0; i < raiseCount; i++) {
601 int fromIndex = indexOf(surfaces[i]);
602 if (fromIndex != -1) {
608int TopLevelWindowModel::rowCount(
const QModelIndex &)
const
610 return m_windowModel.count();
613QVariant TopLevelWindowModel::data(
const QModelIndex& index,
int role)
const
615 if (index.row() < 0 || index.row() >= m_windowModel.size())
618 if (role == WindowRole) {
619 Window *window = m_windowModel.at(index.row()).window;
620 return QVariant::fromValue(window);
621 }
else if (role == ApplicationRole) {
622 return QVariant::fromValue(m_windowModel.at(index.row()).application);
628QString TopLevelWindowModel::toString()
631 for (
int i = 0; i < m_windowModel.count(); ++i) {
632 auto item = m_windowModel.at(i);
634 QString itemStr = QString(
"(index=%1,appId=%2,surface=0x%3,id=%4)")
635 .arg(QString::number(i),
636 item.application->appId(),
637 QString::number((qintptr)item.window->surface(), 16),
638 QString::number(item.window->id()));
648int TopLevelWindowModel::indexOf(lomiriapi::MirSurfaceInterface *surface)
650 for (
int i = 0; i < m_windowModel.count(); ++i) {
651 if (m_windowModel.at(i).window->surface() == surface) {
660 for (
int i = 0; i < m_windowModel.count(); ++i) {
661 if (m_windowModel[i].window->
id() ==
id) {
670 if (index >=0 && index < m_windowModel.count()) {
671 return m_windowModel[index].window;
679 if (index >=0 && index < m_windowModel.count()) {
680 return m_windowModel[index].window->surface();
688 if (index >=0 && index < m_windowModel.count()) {
689 return m_windowModel[index].application;
697 if (index >=0 && index < m_windowModel.count()) {
698 return m_windowModel[index].window->id();
706 if (m_modelState == IdleState) {
707 DEBUG_MSG <<
"(id=" <<
id <<
") - do it now.";
710 DEBUG_MSG <<
"(id=" <<
id <<
") - Model busy (modelState=" << m_modelState <<
"). Try again in the next event loop.";
716 QMetaObject::invokeMethod(
this,
"raiseId", Qt::QueuedConnection, Q_ARG(
int,
id));
720void TopLevelWindowModel::doRaiseId(
int id)
724 if (fromIndex != -1 && fromIndex != 0) {
725 auto surface = m_windowModel[fromIndex].window->surface();
726 if (surface && surface->live()) {
727 m_surfaceManager->raise(surface);
736void TopLevelWindowModel::setFocusedWindow(
Window *window)
738 if (window != m_focusedWindow) {
739 DEBUG_MSG <<
"(" << window <<
")";
741 m_previousWindow = m_focusedWindow;
743 m_focusedWindow = window;
744 Q_EMIT focusedWindowChanged(m_focusedWindow);
746 if (m_previousWindow && m_previousWindow->
focused() && !m_previousWindow->
surface()) {
748 m_previousWindow->setFocused(
false);
753 m_pendingActivation =
false;
758 return m_inputMethodWindow ? m_inputMethodWindow->
surface() :
nullptr;
763 return m_focusedWindow;
766void TopLevelWindowModel::move(
int from,
int to)
768 if (from == to)
return;
769 DEBUG_MSG <<
" from=" << from <<
" to=" << to;
771 if (from >= 0 && from < m_windowModel.size() && to >= 0 && to < m_windowModel.size()) {
777 Q_ASSERT(m_modelState == IdleState);
778 m_modelState = MovingState;
780 beginMoveRows(parent, from, from, parent, to + (to > from ? 1 : 0));
781#if QT_VERSION < QT_VERSION_CHECK(5, 6, 0)
782 const auto &window = m_windowModel.takeAt(from);
783 m_windowModel.insert(to, window);
785 m_windowModel.move(from, to);
790 m_modelState = IdleState;
792 DEBUG_MSG <<
" after " << toString();
795void TopLevelWindowModel::onModificationsStarted()
797 m_surfaceManagerBusy =
true;
800void TopLevelWindowModel::onModificationsEnded()
802 if (m_focusedWindowCleared) {
803 setFocusedWindow(
nullptr);
806 m_focusedWindowCleared =
false;
807 m_surfaceManagerBusy =
false;
810void TopLevelWindowModel::activateTopMostWindowWithoutId(
int forbiddenId)
812 DEBUG_MSG <<
"(" << forbiddenId <<
")";
814 for (
int i = 0; i < m_windowModel.count(); ++i) {
815 Window *window = m_windowModel[i].window;
816 if (window->
id() != forbiddenId) {
823void TopLevelWindowModel::refreshWindows()
828 if (!m_workspace || !m_applicationManager || !m_surfaceManager)
return;
830 m_surfaceManager->forEachSurfaceInWorkspace(m_workspace->workspace(), [
this](lomiri::shell::application::MirSurfaceInterface* surface) {
831 if (surface->parentSurface()) {
833 Window *window = createWindow(surface);
834 connect(surface, &QObject::destroyed, window, [=](){
835 window->setSurface(nullptr);
836 window->deleteLater();
839 if (surface->type() == Mir::InputMethodType) {
840 setInputMethodWindow(createWindow(surface));
842 auto *application = m_applicationManager->findApplicationWithSurface(surface);
844 prependSurface(surface, application);
849 Window *promptWindow = createWindow(surface);
850 connect(surface, &QObject::destroyed, promptWindow, [=](){
851 promptWindow->setSurface(nullptr);
852 promptWindow->deleteLater();
860void TopLevelWindowModel::clear()
864 while(m_windowModel.count() > 0) {
865 ModelEntry entry = m_windowModel.takeAt(0);
866 disconnect(entry.window, 0,
this, 0);
869 m_allSurfaces.clear();
870 setFocusedWindow(
nullptr);
871 m_focusedWindowCleared =
false;
872 m_previousWindow =
nullptr;
877 m_closingAllApps =
true;
878 for (
auto win : m_windowModel) {
884 if (m_windowModel.isEmpty()) {
885 Q_EMIT closedAllWindows();
891 return !m_nullWindow->
focused();
894void TopLevelWindowModel::setRootFocus(
bool focus)
896 DEBUG_MSG <<
"(" << focus <<
"), surfaceManagerBusy is " << m_surfaceManagerBusy;
898 if (m_surfaceManagerBusy) {
908 if (m_previousWindow && !m_previousWindow->
focused() && !m_pendingActivation &&
909 m_nullWindow == m_focusedWindow && m_previousWindow != m_nullWindow) {
911 }
else if (!m_pendingActivation) {
913 activateTopMostWindowWithoutId(-1);
916 if (!m_nullWindow->
focused()) {
929 m_pendingActivation =
true;
Q_INVOKABLE void raiseId(int id)
Raises the row with the given id to the top of the window stack (index == count-1)
bool rootFocus
Sets whether a user Window or "nothing" should be focused.
Q_INVOKABLE Window * windowAt(int index) const
Returns the window at the given index.
Q_INVOKABLE lomiri::shell::application::MirSurfaceInterface * surfaceAt(int index) const
Returns the surface at the given index.
Q_INVOKABLE void pendingActivation()
Sets pending activation flag.
Q_INVOKABLE int indexForId(int id) const
Returns the index where the row with the given id is located.
lomiri::shell::application::MirSurfaceInterface * inputMethodSurface
The input method surface, if any.
Q_INVOKABLE int idAt(int index) const
Returns the unique id of the element at the given index.
Q_INVOKABLE void closeAllWindows()
Closes all windows, emits closedAllWindows when done.
void listChanged()
Emitted when the list changes.
Q_INVOKABLE lomiri::shell::application::ApplicationInfoInterface * applicationAt(int index) const
Returns the application at the given index.
Window * focusedWindow
The currently focused window, if any.
A slightly higher concept than MirSurface.
int id
A unique identifier for this window. Useful for telling windows apart in a list model as they get mov...
void focusRequested()
Emitted when focus for this window is requested by an external party.
lomiri::shell::application::MirSurfaceInterface * surface
Surface backing up this window It might be null if a surface hasn't been created yet (application is ...
bool focused
Whether the surface is focused.
void activate()
Focuses and raises the window.
Mir::State state
State of the surface.