Copy method/field descriptor on click

2 files changed, 40 insertions, 2 deletions

diff --git a/enigma-swing/src/main/java/cuchaz/enigma/gui/panels/IdentifierPanel.java b/enigma-swing/src/main/java/cuchaz/enigma/gui/panels/IdentifierPanel.java
index 255fe81d..a4914678 100644
--- a/enigma-swing/src/main/java/cuchaz/enigma/gui/panels/IdentifierPanel.java
+++ b/enigma-swing/src/main/java/cuchaz/enigma/gui/panels/IdentifierPanel.java
@@ -5,6 +5,8 @@ import java.awt.Container;
 import java.awt.GridBagConstraints;
 import java.awt.GridBagLayout;
 import java.awt.event.ItemEvent;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
 import java.util.function.Consumer;
 
 import javax.swing.BorderFactory;
@@ -97,7 +99,7 @@ public class IdentifierPanel {
                                 FieldEntry fe = (FieldEntry) deobfEntry;
                                 this.nameField = th.addRenameTextField(I18n.translate("info_panel.identifier.field"), fe.getName());
                                 th.addStringRow(I18n.translate("info_panel.identifier.class"), fe.getParent().getFullName());
-                                th.addStringRow(I18n.translate("info_panel.identifier.type_descriptor"), fe.getDesc().toString());
+                                th.addCopiableStringRow(I18n.translate("info_panel.identifier.type_descriptor"), fe.getDesc().toString());
                                 th.addModifierRow(I18n.translate("info_panel.identifier.modifier"), this::onModifierChanged);
                         } else if (deobfEntry instanceof MethodEntry) {
                                 MethodEntry me = (MethodEntry) deobfEntry;
@@ -107,7 +109,7 @@ public class IdentifierPanel {
                                         this.nameField = th.addRenameTextField(I18n.translate("info_panel.identifier.method"), me.getName());
                                         th.addStringRow(I18n.translate("info_panel.identifier.class"), me.getParent().getFullName());
                                 }
-                                th.addStringRow(I18n.translate("info_panel.identifier.method_descriptor"), me.getDesc().toString());
+                                th.addCopiableStringRow(I18n.translate("info_panel.identifier.method_descriptor"), me.getDesc().toString());
                                 th.addModifierRow(I18n.translate("info_panel.identifier.modifier"), this::onModifierChanged);
                         } else if (deobfEntry instanceof LocalVariableEntry) {
                                 LocalVariableEntry lve = (LocalVariableEntry) deobfEntry;
@@ -207,6 +209,19 @@ public class IdentifierPanel {
                         this.row += 1;
                 }
 
+                public void addCopiableRow(JLabel c1, JLabel c2) {
+                        c2.addMouseListener(new MouseAdapter() {
+                                @Override
+                                public void mouseClicked(MouseEvent e) {
+                                        if (e.getButton() == MouseEvent.BUTTON1) {
+                                                GuiUtil.copyToClipboard(c2.getText());
+                                                GuiUtil.showPopup(c2, I18n.translate("popup.copied"), e.getXOnScreen(), e.getYOnScreen());
+                                        }
+                                }
+                        });
+                        addRow(c1, c2);
+                }
+
                 public ConvertingTextField addConvertingTextField(String c1, String c2) {
                         ConvertingTextField textField = new ConvertingTextField(c2);
                         addRow(new JLabel(c1), textField.getUi());
@@ -226,6 +241,10 @@ public class IdentifierPanel {
                         addRow(new JLabel(c1), GuiUtil.unboldLabel(new JLabel(c2)));
                 }
 
+                public void addCopiableStringRow(String c1, String c2) {
+                        addCopiableRow(new JLabel(c1), GuiUtil.unboldLabel(new JLabel(c2)));
+                }
+
                 public JComboBox<AccessModifier> addModifierRow(String c1, Consumer<AccessModifier> changeListener) {
                         if (!project.isRenamable(e))
                                 return null;
diff --git a/enigma-swing/src/main/java/cuchaz/enigma/gui/util/GuiUtil.java b/enigma-swing/src/main/java/cuchaz/enigma/gui/util/GuiUtil.java
index 7f08fc25..e26c29b3 100644
--- a/enigma-swing/src/main/java/cuchaz/enigma/gui/util/GuiUtil.java
+++ b/enigma-swing/src/main/java/cuchaz/enigma/gui/util/GuiUtil.java
@@ -9,6 +9,7 @@ import cuchaz.enigma.utils.Os;
 
 import javax.swing.*;
 import java.awt.*;
+import java.awt.datatransfer.StringSelection;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
 import java.awt.font.TextAttribute;
@@ -53,6 +54,24 @@ public class GuiUtil {
         return label;
     }
 
+    /**
+     * Puts the provided {@code text} in the system clipboard.
+     */
+    public static void copyToClipboard(String text) {
+        Toolkit.getDefaultToolkit().getSystemClipboard().setContents(new StringSelection(text), null);
+    }
+
+    public static void showPopup(JComponent component, String text, int x, int y) {
+        // from https://stackoverflow.com/questions/39955015/java-swing-show-tooltip-as-a-message-dialog
+        JToolTip tooltip = new JToolTip();
+        tooltip.setTipText(text);
+        Popup p = PopupFactory.getSharedInstance().getPopup(component, tooltip, x + 10, y);
+        p.show();
+        Timer t = new Timer(1000, e -> p.hide());
+        t.setRepeats(false);
+        t.start();
+    }
+
     public static void showToolTipNow(JComponent component) {
         // HACKHACK: trick the tooltip manager into showing the tooltip right now
         ToolTipManager manager = ToolTipManager.sharedInstance();