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feat: completely redesign hot reloader

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The hot reloader previously attempted to figure out which parent a
component would attach to as it loaded. This was fairly error prone as
it was heuristic based and didn't work as soon as you split
definitions into multiple QML files.

The new hot reloader functions by first completely building the widget
tree, then applying the old tree to the first tree and pulling out
usable values. Proxy windows now wait to appear until being reloaded.

Additionally added support for `reloadableId` to help match a
Reloadable to its value in the previous widget tree.
This commit is contained in:
outfoxxed 2024-02-16 06:38:20 -08:00
parent d6ed717c39
commit 1da43be6c0
Signed by untrusted user: outfoxxed
GPG key ID: 4C88A185FB89301E
17 changed files with 518 additions and 442 deletions
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184
src/cpp/proxywindow.cpp
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@ -17,17 +17,29 @@ ProxyWindowBase::~ProxyWindowBase() {
}
}
void ProxyWindowBase::earlyInit(QObject* old) {
auto* oldpw = qobject_cast<ProxyWindowBase*>(old);
void ProxyWindowBase::onReload(QObject* oldInstance) {
auto* old = qobject_cast<ProxyWindowBase*>(oldInstance);
if (oldpw == nullptr || oldpw->window == nullptr) {
if (old == nullptr || old->window == nullptr) {
this->window = new QQuickWindow();
} else {
this->window = oldpw->disownWindow();
this->window = old->disownWindow();
}
this->window->setMask(QRegion());
this->setupWindow();
auto backer = this->dataBacker();
for (auto* child: this->pendingChildren) {
backer.append(&backer, child);
}
this->pendingChildren.clear();
emit this->windowConnected();
this->window->setVisible(this->mVisible);
}
void ProxyWindowBase::setupWindow() {
// clang-format off
QObject::connect(this->window, &QWindow::visibilityChanged, this, &ProxyWindowBase::visibleChanged);
QObject::connect(this->window, &QWindow::widthChanged, this, &ProxyWindowBase::widthChanged);
@ -38,6 +50,11 @@ void ProxyWindowBase::earlyInit(QObject* old) {
QObject::connect(this, &ProxyWindowBase::widthChanged, this, &ProxyWindowBase::onMaskChanged);
QObject::connect(this, &ProxyWindowBase::heightChanged, this, &ProxyWindowBase::onMaskChanged);
// clang-format on
this->setWidth(this->mWidth);
this->setHeight(this->mHeight);
this->setColor(this->mColor);
this->updateMask();
}
QQuickWindow* ProxyWindowBase::disownWindow() {
@ -52,20 +69,57 @@ QQuickWindow* ProxyWindowBase::disownWindow() {
return window;
}
QQuickWindow* ProxyWindowBase::backingWindow() { return this->window; }
QQuickItem* ProxyWindowBase::item() { return this->window->contentItem(); }
QQuickWindow* ProxyWindowBase::backingWindow() const { return this->window; }
// NOLINTNEXTLINE
#define PROXYPROP(type, get, set) \
type ProxyWindowBase::get() { return this->window->get(); } \
void ProxyWindowBase::set(type value) { this->window->set(value); }
bool ProxyWindowBase::isVisible() const {
if (this->window == nullptr) return this->mVisible;
else return this->window->isVisible();
}
PROXYPROP(bool, isVisible, setVisible);
PROXYPROP(qint32, width, setWidth);
PROXYPROP(qint32, height, setHeight);
PROXYPROP(QColor, color, setColor);
void ProxyWindowBase::setVisible(bool visible) {
if (this->window == nullptr) {
this->mVisible = visible;
emit this->visibleChanged();
} else this->window->setVisible(visible);
}
PendingRegion* ProxyWindowBase::mask() { return this->mMask; }
qint32 ProxyWindowBase::width() const {
if (this->window == nullptr) return this->mWidth;
else return this->window->width();
}
void ProxyWindowBase::setWidth(qint32 width) {
if (this->window == nullptr) {
this->mWidth = width;
emit this->widthChanged();
} else this->window->setWidth(width);
}
qint32 ProxyWindowBase::height() const {
if (this->window == nullptr) return this->mHeight;
else return this->window->height();
}
void ProxyWindowBase::setHeight(qint32 height) {
if (this->window == nullptr) {
this->mHeight = height;
emit this->heightChanged();
} else this->window->setHeight(height);
}
QColor ProxyWindowBase::color() const {
if (this->window == nullptr) return this->mColor;
else return this->window->color();
}
void ProxyWindowBase::setColor(QColor color) {
if (this->window == nullptr) {
this->mColor = color;
emit this->colorChanged();
} else this->window->setColor(color);
}
PendingRegion* ProxyWindowBase::mask() const { return this->mMask; }
void ProxyWindowBase::setMask(PendingRegion* mask) {
if (this->mMask != nullptr) {
@ -81,6 +135,10 @@ void ProxyWindowBase::setMask(PendingRegion* mask) {
}
void ProxyWindowBase::onMaskChanged() {
if (this->window != nullptr) this->updateMask();
}
void ProxyWindowBase::updateMask() {
QRegion mask;
if (this->mMask != nullptr) {
// if left as the default, dont combine it with the whole window area, leave it as is.
@ -114,59 +172,87 @@ QQmlListProperty<QObject> ProxyWindowBase::data() {
);
}
QQmlListProperty<QObject> ProxyWindowBase::dataBacker(QQmlListProperty<QObject>* prop) {
auto* that = static_cast<ProxyWindowBase*>(prop->object); // NOLINT
return that->window->property("data").value<QQmlListProperty<QObject>>();
QQmlListProperty<QObject> ProxyWindowBase::dataBacker() {
return this->window->property("data").value<QQmlListProperty<QObject>>();
}
void ProxyWindowBase::dataAppend(QQmlListProperty<QObject>* prop, QObject* obj) {
auto backer = dataBacker(prop);
backer.append(&backer, obj);
auto* self = static_cast<ProxyWindowBase*>(prop->object); // NOLINT
if (self->window == nullptr) {
if (obj != nullptr) {
obj->setParent(self);
self->pendingChildren.append(obj);
}
} else {
auto backer = self->dataBacker();
backer.append(&backer, obj);
}
}
qsizetype ProxyWindowBase::dataCount(QQmlListProperty<QObject>* prop) {
auto backer = dataBacker(prop);
return backer.count(&backer);
auto* self = static_cast<ProxyWindowBase*>(prop->object); // NOLINT
if (self->window == nullptr) {
return self->pendingChildren.count();
} else {
auto backer = self->dataBacker();
return backer.count(&backer);
}
}
QObject* ProxyWindowBase::dataAt(QQmlListProperty<QObject>* prop, qsizetype i) {
auto backer = dataBacker(prop);
return backer.at(&backer, i);
auto* self = static_cast<ProxyWindowBase*>(prop->object); // NOLINT
if (self->window == nullptr) {
return self->pendingChildren.at(i);
} else {
auto backer = self->dataBacker();
return backer.at(&backer, i);
}
}
void ProxyWindowBase::dataClear(QQmlListProperty<QObject>* prop) {
auto backer = dataBacker(prop);
backer.clear(&backer);
auto* self = static_cast<ProxyWindowBase*>(prop->object); // NOLINT
if (self->window == nullptr) {
self->pendingChildren.clear();
} else {
auto backer = self->dataBacker();
backer.clear(&backer);
}
}
void ProxyWindowBase::dataReplace(QQmlListProperty<QObject>* prop, qsizetype i, QObject* obj) {
auto backer = dataBacker(prop);
backer.replace(&backer, i, obj);
auto* self = static_cast<ProxyWindowBase*>(prop->object); // NOLINT
if (self->window == nullptr) {
if (obj != nullptr) {
obj->setParent(self);
self->pendingChildren.replace(i, obj);
}
} else {
auto backer = self->dataBacker();
backer.replace(&backer, i, obj);
}
}
void ProxyWindowBase::dataRemoveLast(QQmlListProperty<QObject>* prop) {
auto backer = dataBacker(prop);
backer.removeLast(&backer);
}
auto* self = static_cast<ProxyWindowBase*>(prop->object); // NOLINT
void ProxyFloatingWindow::earlyInit(QObject* old) {
this->ProxyWindowBase::earlyInit(old);
this->geometryLocked = this->window->isVisible();
}
void ProxyFloatingWindow::componentComplete() {
this->ProxyWindowBase::componentComplete();
this->geometryLocked = true;
}
void ProxyFloatingWindow::setWidth(qint32 value) {
if (!this->geometryLocked) {
this->ProxyWindowBase::setWidth(value);
if (self->window == nullptr) {
self->pendingChildren.removeLast();
} else {
auto backer = self->dataBacker();
backer.removeLast(&backer);
}
}
void ProxyFloatingWindow::setHeight(qint32 value) {
if (!this->geometryLocked) {
this->ProxyWindowBase::setHeight(value);
}
void ProxyFloatingWindow::setWidth(qint32 width) {
if (this->window == nullptr || !this->window->isVisible()) this->ProxyWindowBase::setWidth(width);
}
void ProxyFloatingWindow::setHeight(qint32 height) {
if (this->window == nullptr || !this->window->isVisible())
this->ProxyWindowBase::setHeight(height);
}