Add completion suggestions for global event scripts

src/mainwindow.cpp

@@ -876,8 +876,9 @@ bool MainWindow::loadDataStructures() {
                 && project->readHealLocations()
                 && project->readMiscellaneousConstants()
                 && project->readSpeciesIconPaths()
-                && project->readWildMonData();
-    
+                && project->readWildMonData()
+                && project->readEventScriptLabels();
+
     return success && loadProjectCombos();
 }
 
@@ -1917,7 +1918,9 @@ void MainWindow::updateSelectedObjects() {
                                   "normal movement behavior actions.");
                 combo->setMinimumContentsLength(4);
             } else if (key == "script_label") {
-                combo->addItems(editor->map->eventScriptLabels());
+                const auto localScriptLabels = editor->map->eventScriptLabels();
+                combo->addItems(localScriptLabels);
+                combo->setCompleter(editor->project->getEventScriptLabelCompleter(localScriptLabels));
                 combo->setToolTip("The script which is executed with this event.");
             } else if (key == "trainer_type") {
                 combo->addItems(*editor->project->trainerTypes);

src/project.cpp

@@ -2399,6 +2399,18 @@ bool Project::readMiscellaneousConstants() {
     return true;
 }
 
+bool Project::readEventScriptLabels() {
+    for (const auto &filePath : getEventScriptsFilePaths())
+        eventScriptLabels << ParseUtil::getGlobalScriptLabels(filePath);
+
+    eventScriptLabelModel = new QStringListModel(eventScriptLabels, this);
+    eventScriptLabelCompleter = new QCompleter(eventScriptLabelModel, this);
+    eventScriptLabelCompleter->setCaseSensitivity(Qt::CaseInsensitive);
+    eventScriptLabelCompleter->setFilterMode(Qt::MatchContains);
+
+    return true;
+}
+
 QString Project::fixPalettePath(QString path) {
     path = path.replace(QRegExp("\\.gbapal$"), ".pal");
     return path;
@@ -2462,6 +2474,11 @@ QStringList Project::getEventScriptsFilePaths() const {
     return filePaths;
 }
 
+QCompleter *Project::getEventScriptLabelCompleter(const QStringList &additionalCompletions) const {
+    eventScriptLabelModel->setStringList(eventScriptLabels + additionalCompletions);
+    return eventScriptLabelCompleter;
+}
+
 void Project::loadEventPixmaps(QList<Event*> objects) {
     bool needs_update = false;
     for (Event *object : objects) {