feat(gui): save project search history

jadx-gui/src/main/java/jadx/gui/settings/JadxProject.java

@@ -43,6 +43,8 @@ public class JadxProject {
 	private static final int CURRENT_PROJECT_VERSION = 1;
 	public static final String PROJECT_EXTENSION = "jadx";
 
+	private static final int SEARCH_HISTORY_LIMIT = 30;
+
 	private final transient MainWindow mainWindow;
 
 	private transient String name = "New Project";
@@ -195,6 +197,27 @@ public class JadxProject {
 		}
 	}
 
+	public List<String> getSearchHistory() {
+		return data.getSearchHistory();
+	}
+
+	public void addToSearchHistory(String str) {
+		if (str == null || str.isEmpty()) {
+			return;
+		}
+		List<String> list = data.getSearchHistory();
+		if (!list.isEmpty() && list.get(0).equals(str)) {
+			return;
+		}
+		list.remove(str);
+		list.add(0, str);
+		if (list.size() > SEARCH_HISTORY_LIMIT) {
+			list.remove(list.size() - 1);
+		}
+		data.setSearchHistory(list);
+		changed();
+	}
+
 	private void changed() {
 		JadxSettings settings = mainWindow.getSettings();
 		if (settings != null && settings.isAutoSaveProject()) {

jadx-gui/src/main/java/jadx/gui/settings/data/ProjectData.java

@@ -20,6 +20,7 @@ public class ProjectData {
 	private int activeTab = -1;
 	private @Nullable Path cacheDir;
 	private boolean enableLiveReload = false;
+	private List<String> searchHistory = new ArrayList<>();
 
 	public List<Path> getFiles() {
 		return files;
@@ -103,4 +104,12 @@ public class ProjectData {
 	public void setEnableLiveReload(boolean enableLiveReload) {
 		this.enableLiveReload = enableLiveReload;
 	}
+
+	public List<String> getSearchHistory() {
+		return searchHistory;
+	}
+
+	public void setSearchHistory(List<String> searchHistory) {
+		this.searchHistory = searchHistory;
+	}
 }

jadx-gui/src/main/java/jadx/gui/ui/dialog/SearchDialog.java

@@ -20,7 +20,9 @@ import javax.swing.BoxLayout;
 import javax.swing.JButton;
 import javax.swing.JCheckBox;
 import javax.swing.JLabel;
+import javax.swing.JMenuItem;
 import javax.swing.JPanel;
+import javax.swing.JPopupMenu;
 import javax.swing.JTextField;
 import javax.swing.WindowConstants;
 import javax.swing.event.ChangeListener;
@@ -29,6 +31,9 @@ import org.jetbrains.annotations.Nullable;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import com.formdev.flatlaf.FlatClientProperties;
+import com.formdev.flatlaf.icons.FlatSearchWithHistoryIcon;
+
 import io.reactivex.BackpressureStrategy;
 import io.reactivex.Emitter;
 import io.reactivex.Flowable;
@@ -207,6 +212,8 @@ public class SearchDialog extends CommonSearchDialog {
 		searchFieldDefaultBgColor = searchField.getBackground();
 		searchField.setAlignmentX(LEFT_ALIGNMENT);
 		TextStandardActions.attach(searchField);
+		addSearchHistoryButton();
+		searchField.putClientProperty(FlatClientProperties.TEXT_FIELD_SHOW_CLEAR_BUTTON, true);
 
 		boolean autoSearch = mainWindow.getSettings().isUseAutoSearch();
 		JButton searchBtn = new JButton(NLS.str("search_dialog.search_button"));
@@ -286,6 +293,25 @@ public class SearchDialog extends CommonSearchDialog {
 		setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
 	}
 
+	private void addSearchHistoryButton() {
+		JButton searchHistoryButton = new JButton(new FlatSearchWithHistoryIcon(true));
+		searchHistoryButton.setToolTipText(NLS.str("search_dialog.search_history"));
+		searchHistoryButton.addActionListener(e -> {
+			JPopupMenu popupMenu = new JPopupMenu();
+			List<String> searchHistory = mainWindow.getProject().getSearchHistory();
+			if (searchHistory.isEmpty()) {
+				popupMenu.add("(empty)");
+			} else {
+				for (String str : searchHistory) {
+					JMenuItem item = popupMenu.add(str);
+					item.addActionListener(ev -> searchField.setText(str));
+				}
+			}
+			popupMenu.show(searchHistoryButton, 0, searchHistoryButton.getHeight());
+		});
+		searchField.putClientProperty(FlatClientProperties.TEXT_FIELD_LEADING_COMPONENT, searchHistoryButton);
+	}
+
 	protected void addResultsActions(JPanel resultsActionsPanel) {
 		loadAllButton = new JButton(NLS.str("search_dialog.load_all"));
 		loadAllButton.addActionListener(e -> loadMoreResults(true));
@@ -463,6 +489,15 @@ public class SearchDialog extends CommonSearchDialog {
 		return true;
 	}
 
+	@Override
+	protected void openItem(JNode node) {
+		if (mainWindow.getSettings().isUseAutoSearch()) {
+			// for auto search save only searches which leads to node opening
+			mainWindow.getProject().addToSearchHistory(searchField.getText());
+		}
+		super.openItem(node);
+	}
+
 	private void pauseSearch() {
 		stopBtn.setEnabled(false);
 		searchBackgroundExecutor.execute(() -> {
@@ -539,6 +574,9 @@ public class SearchDialog extends CommonSearchDialog {
 		updateHighlightContext(text, !options.contains(IGNORE_CASE), options.contains(USE_REGEX));
 		cache.setLastSearch(text);
 		cache.getLastSearchOptions().put(searchPreset, options);
+		if (!mainWindow.getSettings().isUseAutoSearch()) {
+			mainWindow.getProject().addToSearchHistory(text);
+		}
 	}
 
 	private void updateProgress(ITaskProgress progress) {

jadx-gui/src/main/resources/i18n/Messages_de_DE.properties

@@ -97,6 +97,7 @@ search_dialog.open=Öffnen
 search_dialog.cancel=Beenden
 search_dialog.open_by_name=Nach Text suchen:
 #search_dialog.search_button=Search
+#search_dialog.search_history=Search history
 #search_dialog.auto_search=Auto search
 search_dialog.search_in=Suche in Definitionen von:
 search_dialog.class=Klassen

jadx-gui/src/main/resources/i18n/Messages_en_US.properties

@@ -97,6 +97,7 @@ search_dialog.open=Open
 search_dialog.cancel=Cancel
 search_dialog.open_by_name=Search for text:
 search_dialog.search_button=Search
+search_dialog.search_history=Search history
 search_dialog.auto_search=Auto search
 search_dialog.search_in=Search definitions of:
 search_dialog.class=Class

jadx-gui/src/main/resources/i18n/Messages_es_ES.properties

@@ -97,6 +97,7 @@ search_dialog.open=Abrir
 search_dialog.cancel=Cancelar
 search_dialog.open_by_name=Buscar texto:
 #search_dialog.search_button=Search
+#search_dialog.search_history=Search history
 #search_dialog.auto_search=Auto search
 search_dialog.search_in=Buscar definiciones de:
 search_dialog.class=Clase

jadx-gui/src/main/resources/i18n/Messages_ko_KR.properties

@@ -97,6 +97,7 @@ search_dialog.open=열기
 search_dialog.cancel=취소
 search_dialog.open_by_name=텍스트 검색 :
 #search_dialog.search_button=Search
+#search_dialog.search_history=Search history
 #search_dialog.auto_search=Auto search
 search_dialog.search_in=정의 검색 :
 search_dialog.class=클래스

jadx-gui/src/main/resources/i18n/Messages_pt_BR.properties

@@ -97,6 +97,7 @@ search_dialog.open=Abrir
 search_dialog.cancel=Cancelar
 search_dialog.open_by_name=Buscar por text:
 #search_dialog.search_button=Search
+#search_dialog.search_history=Search history
 #search_dialog.auto_search=Auto search
 search_dialog.search_in=Buscar definições de:
 search_dialog.class=Classe

jadx-gui/src/main/resources/i18n/Messages_zh_CN.properties

@@ -97,6 +97,7 @@ search_dialog.open=转到
 search_dialog.cancel=取消
 search_dialog.open_by_name=搜索文本：
 #search_dialog.search_button=Search
+#search_dialog.search_history=Search history
 #search_dialog.auto_search=Auto search
 search_dialog.search_in=在以下位置搜索：
 search_dialog.class=类名

jadx-gui/src/main/resources/i18n/Messages_zh_TW.properties

@@ -97,6 +97,7 @@ search_dialog.open=開啟
 search_dialog.cancel=取消
 search_dialog.open_by_name=搜尋文字：
 #search_dialog.search_button=Search
+#search_dialog.search_history=Search history
 #search_dialog.auto_search=Auto search
 search_dialog.search_in=搜尋定義：
 search_dialog.class=類別