Reduce QtWidgets dependency

src/appshell/qml/MuseScore/AppShell/aboutmodel.cpp

@@ -19,14 +19,15 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-#include "aboutmodel.h"
 
-#include "translation.h"
+#include "aboutmodel.h"
 
-#include <QApplication>
 #include <QClipboard>
+#include <QGuiApplication>
 #include <QUrl>
 
+#include "translation.h"
+
 using namespace mu::appshell;
 
 AboutModel::AboutModel(QObject* parent)
@@ -85,7 +86,7 @@ QVariantMap AboutModel::musicXMLLicenseDeedUrl() const
 
 void AboutModel::copyRevisionToClipboard() const
 {
-    QApplication::clipboard()->setText(
+    QGuiApplication::clipboard()->setText(
         QString("OS: %1, Arch.: %2, MuseScore Studio version (%3-bit): %4-%5, revision: github-musescore-musescore-%6")
         .arg(QSysInfo::prettyProductName()
              + ((QSysInfo::productType() == "windows" && (QSysInfo::productVersion() == "10" || QSysInfo::productVersion() == "11"))

src/engraving/api/tests/CMakeLists.txt

@@ -21,13 +21,20 @@
 set(MODULE_TEST engraving_api_tests)
 
 set(MODULE_TEST_SRC
+    ${PROJECT_SOURCE_DIR}/src/engraving/tests/utils/scorerw.cpp
+    ${PROJECT_SOURCE_DIR}/src/engraving/tests/utils/scorerw.h
+
     ${CMAKE_CURRENT_LIST_DIR}/environment.cpp
     ${CMAKE_CURRENT_LIST_DIR}/util_tests.cpp
     ${CMAKE_CURRENT_LIST_DIR}/score_tests.cpp
+    ${CMAKE_CURRENT_LIST_DIR}/spanner_tests.cpp
 )
 
 set(MODULE_TEST_LINK
+    Qt::Qml
     engraving
 )
 
+set(MODULE_TEST_DATA_ROOT ${CMAKE_CURRENT_LIST_DIR})
+
 include(SetupGTest)

src/engraving/api/tests/environment.cpp

@@ -28,6 +28,8 @@
 #include "engraving/dom/instrtemplate.h"
 #include "engraving/dom/mscore.h"
 
+#include "engraving/tests/utils/scorerw.h"
+
 #include "log.h"
 
 static muse::testing::SuiteEnvironment engraving_api_se(
@@ -39,6 +41,8 @@ static muse::testing::SuiteEnvironment engraving_api_se(
     []() {
     LOGI() << "engraving API tests suite post init";
 
+    mu::engraving::ScoreRW::setRootPath(muse::String::fromUtf8(engraving_api_tests_DATA_ROOT));
+
     mu::engraving::MScore::testMode = true;
     mu::engraving::MScore::noGui = true;
 

src/engraving/api/tests/spanner_tests.cpp

@@ -0,0 +1,76 @@
+/*
+ * SPDX-License-Identifier: GPL-3.0-only
+ * MuseScore-Studio-CLA-applies
+ *
+ * MuseScore Studio
+ * Music Composition & Notation
+ *
+ * Copyright (C) 2026 MuseScore Limited and others
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ */
+
+#include <QtCore/qtypes.h>
+#include <gtest/gtest.h>
+
+#include "engraving/api/v1/score.h"
+#include "engraving/api/v1/elements.h"
+
+#include "engraving/tests/utils/scorerw.h"
+
+using namespace muse;
+using namespace mu::engraving;
+
+static const String SPANNERS_DATA_DIR("../../tests/spanners_data/");
+
+/// Test Plugin API score.spanners property
+/// Verify that score.spanners exposes all spanners in the score
+TEST(Engraving_ApiSpannerTests, scoreSpanners)
+{
+    // Load a score file
+    MasterScore* score = ScoreRW::readScore(SPANNERS_DATA_DIR + u"glissando01.mscx");
+    ASSERT_TRUE(score);
+
+    // Create Plugin API wrapper for the score
+    apiv1::Score apiScore(score);
+
+    // Get spanners using Plugin API
+    QQmlListProperty<apiv1::Spanner> scoreSpanners = apiScore.spanners();
+
+    // Basic sanity checks: the property should return a valid list
+    EXPECT_NE(scoreSpanners.count, nullptr);
+    EXPECT_NE(scoreSpanners.at, nullptr);
+
+    qsizetype spannerCount = scoreSpanners.count(&scoreSpanners);
+    EXPECT_GE(spannerCount, 0) << "Count should be non-negative";
+
+    // Get spanners directly from the score for comparison
+    auto domSpanners = score->spannerList();
+
+    // The Plugin API should expose the same number of spanners
+    EXPECT_EQ(spannerCount, (qsizetype)domSpanners.size())
+        << "Plugin API should expose all spanners from the score";
+
+    // Verify each spanner can be accessed and has valid properties
+    for (int i = 0; i < spannerCount; i++) {
+        auto* item = scoreSpanners.at(&scoreSpanners, i);
+        apiv1::Spanner* apiItem = qobject_cast<apiv1::Spanner*>(item);
+        ASSERT_TRUE(apiItem) << "Spanner " << i << " should be a valid Spanner API object";
+        ASSERT_TRUE(apiItem->spanner()) << "Spanner " << i << " should have a valid underlying Spanner";
+
+        track_idx_t track = apiItem->spanner()->track();
+        EXPECT_LT(track, score->ntracks()) << "Spanner " << i << "'s underlying Spanner should not be garbage";
+    }
+
+    delete score;
+}

src/engraving/tests/spanners_tests.cpp

@@ -38,9 +38,6 @@
 #include "engraving/editing/transaction/transaction.h"
 #include "engraving/editing/transaction/undostack.h"
 
-#include "engraving/api/v1/score.h"
-#include "engraving/api/v1/elements.h"
-
 #include "utils/scorerw.h"
 #include "utils/scorecomp.h"
 
@@ -600,51 +597,3 @@ TEST_F(Engraving_SpannersTests, spanners16)
     EXPECT_TRUE(ScoreComp::saveCompareScore(score, u"smallstaff01.mscx", SPANNERS_DATA_DIR + u"smallstaff01-ref.mscx"));
     delete score;
 }
-
-//---------------------------------------------------------
-///  spanners17
-///   Test Plugin API score.spanners property
-///   Verify that score.spanners exposes all spanners in the score
-//---------------------------------------------------------
-
-TEST_F(Engraving_SpannersTests, spanners17_pluginAPI_scoreSpanners)
-{
-    // Load a score file
-    MasterScore* score = ScoreRW::readScore(SPANNERS_DATA_DIR + u"glissando01.mscx");
-    EXPECT_TRUE(score);
-
-    // Create Plugin API wrapper for the score
-    apiv1::Score apiScore(score);
-
-    // Get spanners using Plugin API
-    QQmlListProperty<apiv1::Spanner> scoreSpanners = apiScore.spanners();
-
-    // Basic sanity checks: the property should return a valid list
-    EXPECT_NE(scoreSpanners.count, nullptr);
-    EXPECT_NE(scoreSpanners.at, nullptr);
-
-    int spannerCount = scoreSpanners.count(&scoreSpanners);
-    EXPECT_GE(spannerCount, 0) << "Count should be non-negative";
-
-    // Get spanners directly from the score for comparison
-    auto domSpanners = score->spannerList();
-
-    // The Plugin API should expose the same number of spanners
-    EXPECT_EQ(spannerCount, (int)domSpanners.size())
-        << "Plugin API should expose all spanners from the score";
-
-    // Verify each spanner can be accessed and has valid properties
-    for (int i = 0; i < spannerCount; i++) {
-        auto* item = scoreSpanners.at(&scoreSpanners, i);
-        apiv1::Spanner* apiItem = qobject_cast<apiv1::Spanner*>(item);
-        EXPECT_TRUE(apiItem != nullptr) << "Spanner " << i << " should be a valid Spanner";
-
-        if (apiItem && apiItem->spanner()) {
-            // Verify we can access the track property (spanners have tracks)
-            track_idx_t track = apiItem->spanner()->track();
-            EXPECT_GE(track, 0) << "Spanner " << i << " should have a valid track";
-        }
-    }
-
-    delete score;
-}

src/notation/CMakeLists.txt

@@ -136,6 +136,7 @@ if(NOT OS_IS_WASM)
 endif()
 
 target_link_libraries(notation PRIVATE
+    Qt::Widgets # for QApplication::cursorFlashTime() in notationinteraction.cpp
     muse::draw
     engraving
 )

src/notation/internal/notationinteraction.cpp

@@ -26,16 +26,18 @@
 
 #include <memory>
 #include <limits>
-#include <QRectF>
-#include <QPainter>
+
+#include <QApplication> // for QApplication::cursorFlashTime()
 #include <QClipboard>
-#include <QApplication>
+#include <QDrag>
+#include <QEventLoop>
+#include <QGuiApplication>
 #include <QKeyEvent>
 #include <QMimeData>
-#include <QDrag>
+#include <QPainter>
+#include <QRectF>
 #include <QRegularExpression>
 #include <QRegularExpressionMatch>
-#include <QEventLoop>
 
 #include "defer.h"
 #include "ptrutils.h"
@@ -5391,7 +5393,7 @@ void NotationInteraction::copySelection()
         if (!mimeData) {
             return;
         }
-        QApplication::clipboard()->setMimeData(mimeData);
+        QGuiApplication::clipboard()->setMimeData(mimeData);
     }
 }
 
@@ -5494,7 +5496,7 @@ void NotationInteraction::repeatSelection()
 void NotationInteraction::copyLyrics()
 {
     QString text = score()->extractLyrics();
-    QApplication::clipboard()->setText(text);
+    QGuiApplication::clipboard()->setText(text);
 }
 
 void NotationInteraction::pasteSelection(const Fraction& scale)
@@ -5505,7 +5507,7 @@ void NotationInteraction::pasteSelection(const Fraction& scale)
     if (isTextEditingStarted()) {
         pasteIntoTextEdit();
     } else {
-        const QMimeData* mimeData = QApplication::clipboard()->mimeData();
+        const QMimeData* mimeData = QGuiApplication::clipboard()->mimeData();
         QMimeDataAdapter ma(mimeData);
         succeeded = Paste::paste(score()->transactionManager()->currentOrDummyTransaction(), score(), &ma, nullptr, scale);
         m_editData.element = nullptr;
@@ -5525,7 +5527,7 @@ void NotationInteraction::pasteSelection(const Fraction& scale)
 
 void NotationInteraction::pasteIntoTextEdit()
 {
-    const QMimeData* mimeData = QApplication::clipboard()->mimeData();
+    const QMimeData* mimeData = QGuiApplication::clipboard()->mimeData();
     if (mimeData->hasFormat(TextEditData::mimeRichTextFormat)) {
         const QString txt = QString::fromUtf8(mimeData->data(TextEditData::mimeRichTextFormat));
         toTextBase(m_editData.element)->paste(txt);
@@ -5574,7 +5576,7 @@ void NotationInteraction::swapSelection()
     // Save old selection to clipboard...
     QMimeData* mimeData = new QMimeData();
     mimeData->setData(selection.mimeType(), oldSelection);
-    QApplication::clipboard()->setMimeData(mimeData);
+    QGuiApplication::clipboard()->setMimeData(mimeData);
 }
 
 void NotationInteraction::deleteSelection()

src/notationscene/qml/MuseScore/NotationScene/CMakeLists.txt

@@ -321,6 +321,7 @@ target_include_directories(notationscene_qml PRIVATE
 )
 
 target_link_libraries(notationscene_qml PRIVATE
+    Qt::Widgets # for QApplication
     muse::uicomponents_qml
 )
 

src/notationscene/qml/MuseScore/NotationScene/tests/CMakeLists.txt

@@ -31,6 +31,7 @@ set(MODULE_TEST_SRC
 )
 
 set(MODULE_TEST_LINK
+    Qt::Quick
     engraving
     notationscene_qml
 )

src/preferences/qml/MuseScore/Preferences/preferencesmodel.cpp

@@ -19,7 +19,8 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-#include <QApplication>
+
+#include <QGuiApplication>
 
 #include "preferencesmodel.h"
 
@@ -233,15 +234,15 @@ void PreferencesModel::askForConfirmationOfPreferencesReset()
 void PreferencesModel::resetFactorySettings()
 {
     static constexpr bool KEEP_DEFAULT_SETTINGS = true;
-    QApplication::setOverrideCursor(Qt::WaitCursor);
-    QApplication::processEvents();
+    QGuiApplication::setOverrideCursor(Qt::WaitCursor);
+    QGuiApplication::processEvents();
     configuration()->revertToFactorySettings(KEEP_DEFAULT_SETTINGS);
 
     // Unreset the "First Launch Completed" setting so the first-time launch wizard does not appear.
     configuration()->setHasCompletedFirstLaunchSetup(true);
 
     configuration()->startEditSettings();
-    QApplication::restoreOverrideCursor();
+    QGuiApplication::restoreOverrideCursor();
 }
 
 void PreferencesModel::apply()