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 INFO_MSG <<
"(" << application->appId() <<
")";
173 prependSurfaceHelper(
nullptr, application);
176void TopLevelWindowModel::prependSurface(lomiriapi::MirSurfaceInterface *surface, lomiriapi::ApplicationInfoInterface *application)
178 Q_ASSERT(surface !=
nullptr);
180 connectSurface(surface);
181 m_allSurfaces.insert(surface);
183 bool filledPlaceholder =
false;
184 for (
int i = 0; i < m_windowModel.count() && !filledPlaceholder; ++i) {
185 ModelEntry &entry = m_windowModel[i];
186 if (entry.application == application && (entry.window->surface() ==
nullptr || !entry.window->surface()->live())) {
187 entry.window->setSurface(surface);
188 INFO_MSG <<
" appId=" << application->appId() <<
" surface=" << surface
189 <<
", filling out placeholder. after: " << toString();
190 filledPlaceholder =
true;
194 if (!filledPlaceholder) {
195 INFO_MSG <<
" appId=" << application->appId() <<
" surface=" << surface <<
", adding new row";
196 prependSurfaceHelper(surface, application);
200void TopLevelWindowModel::prependSurfaceHelper(lomiriapi::MirSurfaceInterface *surface, lomiriapi::ApplicationInfoInterface *application)
203 Window *window = createWindow(surface);
205 connect(window, &Window::stateChanged,
this, [=](Mir::State newState) {
206 if (newState == Mir::HiddenState) {
212 auto *application = m_applicationManager->findApplicationWithSurface(window->
surface());
213 Q_ASSERT(application);
214 prependWindow(window, application);
219 prependWindow(window, application);
224 INFO_MSG <<
" after " << toString();
227void TopLevelWindowModel::prependWindow(
Window *window, lomiriapi::ApplicationInfoInterface *application)
229 if (m_modelState == IdleState) {
230 m_modelState = InsertingState;
231 beginInsertRows(QModelIndex(), 0 , 0 );
233 Q_ASSERT(m_modelState == ResettingState);
237 m_windowModel.prepend(ModelEntry(window, application));
239 if (m_modelState == InsertingState) {
241 Q_EMIT countChanged();
243 m_modelState = IdleState;
247void TopLevelWindowModel::connectWindow(
Window *window)
251 activateEmptyWindow(window);
255 connect(window, &Window::focusedChanged,
this, [
this, window](
bool focused) {
258 setFocusedWindow(window);
259 m_focusedWindowCleared = false;
260 }
else if (m_focusedWindow == window) {
264 m_focusedWindowCleared =
true;
272 connect(window, &Window::closeRequested,
this, [
this, window]() {
275 int id = window->id();
276 int index = indexForId(id);
277 bool focusOther = false;
278 Q_ASSERT(index >= 0);
279 if (window->focused()) {
282 m_windowModel[index].application->close();
284 activateTopMostWindowWithoutId(
id);
289 connect(window, &Window::emptyWindowActivated,
this, [
this, window]() {
290 activateEmptyWindow(window);
293 connect(window, &Window::liveChanged,
this, [
this, window](
bool isAlive) {
294 if (!isAlive && window->
state() == Mir::HiddenState) {
301void TopLevelWindowModel::activateEmptyWindow(
Window *window)
304 DEBUG_MSG <<
"(" << window <<
")";
309 window->setFocused(
true);
311 Window *previousWindow = m_focusedWindow;
312 setFocusedWindow(window);
313 if (previousWindow && previousWindow->
surface() && previousWindow->
surface()->focused()) {
314 m_surfaceManager->activate(
nullptr);
318void TopLevelWindowModel::connectSurface(lomiriapi::MirSurfaceInterface *surface)
320 connect(surface, &lomiriapi::MirSurfaceInterface::liveChanged,
this, [
this, surface](
bool live){
322 onSurfaceDied(surface);
325 connect(surface, &QObject::destroyed,
this, [
this, surface](QObject*){ this->onSurfaceDestroyed(surface); });
328void TopLevelWindowModel::onSurfaceDied(lomiriapi::MirSurfaceInterface *surface)
330 if (surface->type() == Mir::InputMethodType) {
331 removeInputMethodWindow();
335 int i = indexOf(surface);
340 auto application = m_windowModel[i].application;
342 DEBUG_MSG <<
" application->name()=" << application->name()
343 <<
" application->state()=" << application->state();
349 if (application->surfaceList()->count() == 1)
350 m_windowModel[i].removeOnceSurfaceDestroyed =
false;
352 m_windowModel[i].removeOnceSurfaceDestroyed =
true;
355void TopLevelWindowModel::onSurfaceDestroyed(lomiriapi::MirSurfaceInterface *surface)
357 int i = indexOf(surface);
362 auto application = m_windowModel[i].application;
363 if (application->appId() == QStringLiteral(
"xwayland.qtmir")) {
364 m_windowModel[i].removeOnceSurfaceDestroyed =
true;
367 if (m_windowModel[i].removeOnceSurfaceDestroyed) {
370 auto window = m_windowModel[i].window;
371 window->setFocused(
false);
372 m_allSurfaces.remove(surface);
373 INFO_MSG <<
" Removed surface from entry. After: " << toString();
377Window *TopLevelWindowModel::createWindow(lomiriapi::MirSurfaceInterface *surface)
379 int id = m_nextId.fetchAndAddAcquire(1);
380 return createWindowWithId(surface,
id);
383Window *TopLevelWindowModel::createNullWindow()
385 return createWindowWithId(
nullptr, 0);
388Window *TopLevelWindowModel::createWindowWithId(lomiriapi::MirSurfaceInterface *surface,
int id)
391 connectWindow(qmlWindow);
393 qmlWindow->setSurface(surface);
398void TopLevelWindowModel::onSurfacesAddedToWorkspace(
const std::shared_ptr<miral::Workspace>& workspace,
399 const QVector<lomiri::shell::application::MirSurfaceInterface*> surfaces)
401 if (!m_workspace || !m_applicationManager)
return;
402 if (workspace != m_workspace->workspace()) {
403 removeSurfaces(surfaces);
407 Q_FOREACH(
auto surface, surfaces) {
408 if (m_allSurfaces.contains(surface))
continue;
410 if (surface->parentSurface()) {
412 Window *window = createWindow(surface);
413 connect(surface, &QObject::destroyed, window, [=](){
414 window->setSurface(
nullptr);
415 window->deleteLater();
418 if (surface->type() == Mir::InputMethodType) {
419 connectSurface(surface);
420 setInputMethodWindow(createWindow(surface));
422 auto *application = m_applicationManager->findApplicationWithSurface(surface);
424 if (surface->state() == Mir::HiddenState) {
426 connect(surface, &lomiriapi::MirSurfaceInterface::stateChanged,
this, [=](Mir::State newState) {
427 Q_ASSERT(newState != Mir::HiddenState);
428 disconnect(surface, &lomiriapi::MirSurfaceInterface::stateChanged,
this, 0);
429 prependSurface(surface, application);
432 prependSurface(surface, application);
438 Window *promptWindow = createWindow(surface);
439 connect(surface, &QObject::destroyed, promptWindow, [=](){
440 promptWindow->setSurface(
nullptr);
441 promptWindow->deleteLater();
449void TopLevelWindowModel::removeSurfaces(
const QVector<lomiri::shell::application::MirSurfaceInterface *> surfaces)
453 for (
auto iter = surfaces.constBegin(); iter != surfaces.constEnd();) {
454 auto surface = *iter;
458 start = end = indexOf(surface);
461 m_allSurfaces.remove(surface);
464 while(iter != surfaces.constEnd()) {
465 int index = indexOf(*iter);
466 if (index != end+1) {
473 if (m_modelState == IdleState) {
474 beginRemoveRows(QModelIndex(), start, end);
475 m_modelState = RemovingState;
477 Q_ASSERT(m_modelState == ResettingState);
481 for (
int index = start; index <= end; index++) {
482 auto window = m_windowModel[start].window;
483 window->setSurface(
nullptr);
484 window->setFocused(
false);
486 if (window == m_previousWindow) {
487 m_previousWindow =
nullptr;
490 m_windowModel.removeAt(start);
491 m_allSurfaces.remove(surface);
494 if (m_modelState == RemovingState) {
496 Q_EMIT countChanged();
498 m_modelState = IdleState;
503void TopLevelWindowModel::deleteAt(
int index)
505 auto window = m_windowModel[index].window;
509 window->setSurface(
nullptr);
514void TopLevelWindowModel::removeAt(
int index)
516 if (m_modelState == IdleState) {
517 beginRemoveRows(QModelIndex(), index, index);
518 m_modelState = RemovingState;
520 Q_ASSERT(m_modelState == ResettingState);
524 auto window = m_windowModel[index].window;
525 auto surface = window->
surface();
528 window->setFocused(
false);
531 if (window == m_previousWindow) {
532 m_previousWindow =
nullptr;
535 m_windowModel.removeAt(index);
536 m_allSurfaces.remove(surface);
538 if (m_modelState == RemovingState) {
540 Q_EMIT countChanged();
542 m_modelState = IdleState;
545 if (m_focusedWindow == window) {
546 setFocusedWindow(
nullptr);
547 m_focusedWindowCleared =
false;
550 if (m_previousWindow == window) {
551 m_previousWindow =
nullptr;
554 if (m_closingAllApps) {
555 if (m_windowModel.isEmpty()) {
556 Q_EMIT closedAllWindows();
560 INFO_MSG <<
" after " << toString() <<
" apps left " << m_windowModel.count();
563void TopLevelWindowModel::setInputMethodWindow(
Window *window)
565 if (m_inputMethodWindow) {
566 qWarning(
"Multiple Input Method Surfaces created, removing the old one!");
567 delete m_inputMethodWindow;
569 m_inputMethodWindow = window;
570 Q_EMIT inputMethodSurfaceChanged(m_inputMethodWindow->
surface());
571 InputMethodManager::instance()->setWindow(window);
574void TopLevelWindowModel::removeInputMethodWindow()
576 if (m_inputMethodWindow) {
577 auto surface = m_inputMethodWindow->
surface();
579 m_allSurfaces.remove(surface);
581 if (m_focusedWindow == m_inputMethodWindow) {
582 setFocusedWindow(
nullptr);
583 m_focusedWindowCleared =
false;
586 delete m_inputMethodWindow;
587 m_inputMethodWindow =
nullptr;
588 Q_EMIT inputMethodSurfaceChanged(
nullptr);
589 InputMethodManager::instance()->setWindow(
nullptr);
593void TopLevelWindowModel::onSurfacesRaised(
const QVector<lomiriapi::MirSurfaceInterface*> &surfaces)
595 DEBUG_MSG <<
"(" << surfaces <<
")";
596 const int raiseCount = surfaces.size();
597 for (
int i = 0; i < raiseCount; i++) {
598 int fromIndex = indexOf(surfaces[i]);
599 if (fromIndex != -1) {
605int TopLevelWindowModel::rowCount(
const QModelIndex &)
const
607 return m_windowModel.count();
610QVariant TopLevelWindowModel::data(
const QModelIndex& index,
int role)
const
612 if (index.row() < 0 || index.row() >= m_windowModel.size())
615 if (role == WindowRole) {
616 Window *window = m_windowModel.at(index.row()).window;
617 return QVariant::fromValue(window);
618 }
else if (role == ApplicationRole) {
619 return QVariant::fromValue(m_windowModel.at(index.row()).application);
625QString TopLevelWindowModel::toString()
628 for (
int i = 0; i < m_windowModel.count(); ++i) {
629 auto item = m_windowModel.at(i);
631 QString itemStr = QString(
"(index=%1,appId=%2,surface=0x%3,id=%4)")
632 .arg(QString::number(i),
633 item.application->appId(),
634 QString::number((qintptr)item.window->surface(), 16),
635 QString::number(item.window->id()));
645int TopLevelWindowModel::indexOf(lomiriapi::MirSurfaceInterface *surface)
647 for (
int i = 0; i < m_windowModel.count(); ++i) {
648 if (m_windowModel.at(i).window->surface() == surface) {
657 for (
int i = 0; i < m_windowModel.count(); ++i) {
658 if (m_windowModel[i].window->
id() ==
id) {
667 if (index >=0 && index < m_windowModel.count()) {
668 return m_windowModel[index].window;
676 if (index >=0 && index < m_windowModel.count()) {
677 return m_windowModel[index].window->surface();
685 if (index >=0 && index < m_windowModel.count()) {
686 return m_windowModel[index].application;
694 if (index >=0 && index < m_windowModel.count()) {
695 return m_windowModel[index].window->id();
703 if (m_modelState == IdleState) {
704 DEBUG_MSG <<
"(id=" <<
id <<
") - do it now.";
707 DEBUG_MSG <<
"(id=" <<
id <<
") - Model busy (modelState=" << m_modelState <<
"). Try again in the next event loop.";
713 QMetaObject::invokeMethod(
this,
"raiseId", Qt::QueuedConnection, Q_ARG(
int,
id));
717void TopLevelWindowModel::doRaiseId(
int id)
721 if (fromIndex != -1 && fromIndex != 0) {
722 auto surface = m_windowModel[fromIndex].window->surface();
723 if (surface && surface->live()) {
724 m_surfaceManager->raise(surface);
733void TopLevelWindowModel::setFocusedWindow(
Window *window)
735 if (window != m_focusedWindow) {
736 INFO_MSG <<
"(" << window <<
")";
738 m_previousWindow = m_focusedWindow;
740 m_focusedWindow = window;
741 Q_EMIT focusedWindowChanged(m_focusedWindow);
743 if (m_previousWindow && m_previousWindow->
focused() && !m_previousWindow->
surface()) {
745 m_previousWindow->setFocused(
false);
750 m_pendingActivation =
false;
755 return m_inputMethodWindow ? m_inputMethodWindow->
surface() :
nullptr;
760 return m_focusedWindow;
763void TopLevelWindowModel::move(
int from,
int to)
765 if (from == to)
return;
766 DEBUG_MSG <<
" from=" << from <<
" to=" << to;
768 if (from >= 0 && from < m_windowModel.size() && to >= 0 && to < m_windowModel.size()) {
774 Q_ASSERT(m_modelState == IdleState);
775 m_modelState = MovingState;
777 beginMoveRows(parent, from, from, parent, to + (to > from ? 1 : 0));
778#if QT_VERSION < QT_VERSION_CHECK(5, 6, 0)
779 const auto &window = m_windowModel.takeAt(from);
780 m_windowModel.insert(to, window);
782 m_windowModel.move(from, to);
787 m_modelState = IdleState;
789 INFO_MSG <<
" after " << toString();
792void TopLevelWindowModel::onModificationsStarted()
794 m_surfaceManagerBusy =
true;
797void TopLevelWindowModel::onModificationsEnded()
799 if (m_focusedWindowCleared) {
800 setFocusedWindow(
nullptr);
803 m_focusedWindowCleared =
false;
804 m_surfaceManagerBusy =
false;
807void TopLevelWindowModel::activateTopMostWindowWithoutId(
int forbiddenId)
809 DEBUG_MSG <<
"(" << forbiddenId <<
")";
811 for (
int i = 0; i < m_windowModel.count(); ++i) {
812 Window *window = m_windowModel[i].window;
813 if (window->
id() != forbiddenId) {
820void TopLevelWindowModel::refreshWindows()
825 if (!m_workspace || !m_applicationManager || !m_surfaceManager)
return;
827 m_surfaceManager->forEachSurfaceInWorkspace(m_workspace->workspace(), [
this](lomiri::shell::application::MirSurfaceInterface* surface) {
828 if (surface->parentSurface()) {
830 Window *window = createWindow(surface);
831 connect(surface, &QObject::destroyed, window, [=](){
832 window->setSurface(nullptr);
833 window->deleteLater();
836 if (surface->type() == Mir::InputMethodType) {
837 setInputMethodWindow(createWindow(surface));
839 auto *application = m_applicationManager->findApplicationWithSurface(surface);
841 prependSurface(surface, application);
846 Window *promptWindow = createWindow(surface);
847 connect(surface, &QObject::destroyed, promptWindow, [=](){
848 promptWindow->setSurface(nullptr);
849 promptWindow->deleteLater();
857void TopLevelWindowModel::clear()
861 while(m_windowModel.count() > 0) {
862 ModelEntry entry = m_windowModel.takeAt(0);
863 disconnect(entry.window, 0,
this, 0);
866 m_allSurfaces.clear();
867 setFocusedWindow(
nullptr);
868 m_focusedWindowCleared =
false;
869 m_previousWindow =
nullptr;
874 m_closingAllApps =
true;
875 for (
auto win : m_windowModel) {
881 if (m_windowModel.isEmpty()) {
882 Q_EMIT closedAllWindows();
888 return !m_nullWindow->
focused();
891void TopLevelWindowModel::setRootFocus(
bool focus)
893 INFO_MSG <<
"(" << focus <<
"), surfaceManagerBusy is " << m_surfaceManagerBusy;
895 if (m_surfaceManagerBusy) {
905 if (m_previousWindow && !m_previousWindow->
focused() && !m_pendingActivation &&
906 m_nullWindow == m_focusedWindow && m_previousWindow != m_nullWindow) {
908 }
else if (!m_pendingActivation) {
910 activateTopMostWindowWithoutId(-1);
913 if (!m_nullWindow->
focused()) {
926 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.