Improve shortcut handling

Scytheface · Sep 14, 2023 · 1ed1d91 · 1ed1d91
1 parent 15815f8
commit 1ed1d91
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Showing 2 changed files with 29 additions and 2 deletions.
diff --git a/src/main/java/ee/ut/dendroloj/GraphGUI.java b/src/main/java/ee/ut/dendroloj/GraphGUI.java
@@ -4,11 +4,13 @@
 import org.graphstream.graph.implementations.SingleGraph;
 import org.graphstream.ui.geom.Point2;
 import org.graphstream.ui.geom.Point3;
+import org.graphstream.ui.graphicGraph.GraphicGraph;
 import org.graphstream.ui.swing_viewer.SwingViewer;
 import org.graphstream.ui.swing_viewer.util.DefaultMouseManager;
 import org.graphstream.ui.view.View;
 import org.graphstream.ui.view.camera.Camera;
 import org.graphstream.ui.view.util.MouseManager;
+import org.graphstream.ui.view.util.ShortcutManager;
 
 import javax.swing.*;
 import java.awt.*;
@@ -65,7 +67,7 @@ public static void init(double uiScale) {
         View view = viewer.addDefaultView(false);
         Component viewComponent = (Component) view;
 
-        // GraphStream DefaultMouseManager but with event handling enabled only for left click to prevent interference with panning.
+        // GraphStream DefaultMouseManager but with event handling enabled only for left click, to prevent interference with panning.
         MouseManager restrictedDefaultMouseManager = new DefaultMouseManager() {
             @Override
             public void mousePressed(MouseEvent event) {
@@ -96,6 +98,19 @@ public void mouseDragged(MouseEvent event) {
         };
         view.setMouseManager(restrictedDefaultMouseManager);
 
+        // Replace shortcut manager with one that does nothing, to disable built-in shortcuts.
+        // Supported shortcuts are added directly to root pane as key bindings.
+        ShortcutManager noopShortcutManager = new ShortcutManager() {
+            @Override
+            public void init(GraphicGraph graph, View view) {
+            }
+
+            @Override
+            public void release() {
+            }
+        };
+        view.setShortcutManager(noopShortcutManager);
+
         MouseAdapter zoomAndPanAdapter = new MouseAdapter() {
             private static final double ZOOM_FACTOR = 1.25;
 
@@ -155,11 +170,24 @@ public void mouseDragged(MouseEvent event) {
         root.setTitle("dendroloj");
         root.setSize(800, 600);
         root.setLocationRelativeTo(null);
+
         root.setLayout(new BorderLayout());
         root.add(viewComponent, BorderLayout.CENTER);
         root.add(stepSlider, BorderLayout.SOUTH);
         root.addWindowListener((WindowListener) viewComponent);
         root.addComponentListener((ComponentListener) viewComponent);
+
+        // Add shortcuts
+        InputMap inputMap = root.getRootPane().getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
+        inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_R, KeyEvent.CTRL_DOWN_MASK), "resetZoom");
+        inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_0, KeyEvent.CTRL_DOWN_MASK), "resetZoom");
+        root.getRootPane().getActionMap().put("resetZoom", new AbstractAction() {
+            @Override
+            public void actionPerformed(ActionEvent event) {
+                view.getCamera().resetView();
+            }
+        });
+
         root.setVisible(true);
     }
 }
diff --git a/src/test/java/Katsed.java b/src/test/java/Katsed.java
@@ -29,6 +29,5 @@ public static void main(String[] args) {
         Dendrologist.wakeUp(1.5, true);
 
         fib(8);
-        //new OhtlikAsi("A").fib(5, new OhtlikAsi("B"));
     }
 }