popups: add popup windows

src/core/test/CMakeLists.txt

@@ -0,0 +1,15 @@
+function (qs_test name)
+	add_executable(${name} ${ARGN})
+	target_link_libraries(${name} PRIVATE ${QT_DEPS} Qt6::Test)
+	add_test(NAME ${name} WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}" COMMAND $<TARGET_FILE:${name}>)
+endfunction()
+
+qs_test(popupwindow
+	popupwindow.cpp
+	../popupwindow.cpp
+	../proxywindow.cpp
+	../qmlscreen.cpp
+	../region.cpp
+	../reload.cpp
+	../windowinterface.cpp
+)

src/core/test/popupwindow.cpp

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+#include "popupwindow.hpp"
+
+#include <qlogging.h>
+#include <qquickwindow.h>
+#include <qsignalspy.h>
+#include <qtest.h>
+#include <qtestcase.h>
+#include <qwindow.h>
+
+#include "../popupwindow.hpp"
+#include "../proxywindow.hpp"
+
+void TestPopupWindow::initiallyVisible() { // NOLINT
+	auto parent = ProxyWindowBase();
+	auto popup = ProxyPopupWindow();
+
+	popup.setParentWindow(&parent);
+	popup.setVisible(true);
+
+	parent.onReload(nullptr);
+	popup.onReload(nullptr);
+
+	QVERIFY(popup.isVisible());
+	QVERIFY(popup.backingWindow()->isVisible());
+	QCOMPARE(popup.backingWindow()->transientParent(), parent.backingWindow());
+}
+
+void TestPopupWindow::reloadReparent() { // NOLINT
+	// first generation
+	auto parent = ProxyWindowBase();
+	auto popup = ProxyPopupWindow();
+
+	auto* win2 = new QQuickWindow();
+	win2->setVisible(true);
+
+	parent.setVisible(true);
+	popup.setParentWindow(&parent);
+	popup.setVisible(true);
+
+	parent.onReload(nullptr);
+	popup.onReload(nullptr);
+
+	// second generation
+	auto newParent = ProxyWindowBase();
+	auto newPopup = ProxyPopupWindow();
+
+	newPopup.setParentWindow(&newParent);
+	newPopup.setVisible(true);
+
+	auto* oldWindow = popup.backingWindow();
+	auto* oldTransientParent = oldWindow->transientParent();
+
+	auto spy = QSignalSpy(oldWindow, &QWindow::visibleChanged);
+
+	qDebug() << "reload";
+	newParent.onReload(&parent);
+	newPopup.onReload(&popup);
+
+	QVERIFY(newPopup.isVisible());
+	QVERIFY(newPopup.backingWindow()->isVisible());
+	QCOMPARE(newPopup.backingWindow()->transientParent(), oldTransientParent);
+	QCOMPARE(newPopup.backingWindow()->transientParent(), newParent.backingWindow());
+	QCOMPARE(spy.length(), 0);
+}
+
+void TestPopupWindow::reloadUnparent() { // NOLINT
+	// first generation
+	auto parent = ProxyWindowBase();
+	auto popup = ProxyPopupWindow();
+
+	popup.setParentWindow(&parent);
+	popup.setVisible(true);
+
+	parent.onReload(nullptr);
+	popup.onReload(nullptr);
+
+	// second generation
+	auto newPopup = ProxyPopupWindow();
+
+	// parent not set
+	newPopup.setVisible(true);
+	newPopup.onReload(&popup);
+
+	QVERIFY(!newPopup.isVisible());
+	QVERIFY(!newPopup.backingWindow()->isVisible());
+	QCOMPARE(newPopup.backingWindow()->transientParent(), nullptr);
+}
+
+void TestPopupWindow::invisibleWithoutParent() { // NOLINT
+	auto popup = ProxyPopupWindow();
+
+	popup.setVisible(true);
+	popup.onReload(nullptr);
+
+	QVERIFY(!popup.isVisible());
+}
+
+void TestPopupWindow::moveWithParent() { // NOLINT
+	auto parent = ProxyWindowBase();
+	auto popup = ProxyPopupWindow();
+
+	popup.setParentWindow(&parent);
+	popup.setRelativeX(10);
+	popup.setRelativeY(10);
+	popup.setVisible(true);
+
+	parent.onReload(nullptr);
+	popup.onReload(nullptr);
+
+	QCOMPARE(popup.x(), parent.x() + 10);
+	QCOMPARE(popup.y(), parent.y() + 10);
+
+	parent.backingWindow()->setX(10);
+	parent.backingWindow()->setY(10);
+
+	QCOMPARE(popup.x(), parent.x() + 10);
+	QCOMPARE(popup.y(), parent.y() + 10);
+}
+
+void TestPopupWindow::attachParentLate() { // NOLINT
+	auto parent = ProxyWindowBase();
+	auto popup = ProxyPopupWindow();
+
+	popup.setVisible(true);
+
+	parent.onReload(nullptr);
+	popup.onReload(nullptr);
+
+	QVERIFY(!popup.isVisible());
+
+	popup.setParentWindow(&parent);
+	QVERIFY(popup.isVisible());
+	QVERIFY(popup.backingWindow()->isVisible());
+	QCOMPARE(popup.backingWindow()->transientParent(), parent.backingWindow());
+}
+
+void TestPopupWindow::reparentLate() { // NOLINT
+	auto parent = ProxyWindowBase();
+	auto popup = ProxyPopupWindow();
+
+	popup.setParentWindow(&parent);
+	popup.setVisible(true);
+
+	parent.onReload(nullptr);
+	popup.onReload(nullptr);
+
+	QCOMPARE(popup.x(), parent.x());
+	QCOMPARE(popup.y(), parent.y());
+
+	auto parent2 = ProxyWindowBase();
+	parent2.onReload(nullptr);
+
+	parent2.backingWindow()->setX(10);
+	parent2.backingWindow()->setY(10);
+
+	popup.setParentWindow(&parent2);
+	QVERIFY(popup.isVisible());
+	QVERIFY(popup.backingWindow()->isVisible());
+	QCOMPARE(popup.backingWindow()->transientParent(), parent2.backingWindow());
+	QCOMPARE(popup.x(), parent2.x());
+	QCOMPARE(popup.y(), parent2.y());
+}
+
+void TestPopupWindow::xMigrationFix() { // NOLINT
+	auto parent = ProxyWindowBase();
+	auto popup = ProxyPopupWindow();
+
+	popup.setParentWindow(&parent);
+	popup.setVisible(true);
+
+	parent.onReload(nullptr);
+	popup.onReload(nullptr);
+
+	QCOMPARE(popup.x(), parent.x());
+
+	popup.setVisible(false);
+	popup.setVisible(true);
+
+	QCOMPARE(popup.x(), parent.x());
+}
+
+QTEST_MAIN(TestPopupWindow);

src/core/test/popupwindow.hpp

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+#pragma once
+
+#include <qobject.h>
+#include <qtmetamacros.h>
+
+class TestPopupWindow: public QObject {
+	Q_OBJECT;
+
+private slots:
+	void initiallyVisible();
+	void reloadReparent();
+	void reloadUnparent();
+	void invisibleWithoutParent();
+	void moveWithParent();
+	void attachParentLate();
+	void reparentLate();
+	void xMigrationFix();
+};