Show log when game crashes

Author: embeddedt

launcher-gui/src/main/java/org/taumc/launcher/gui/screens/home/HomeView.java

@@ -399,7 +399,13 @@ public void refreshSidebar() {
                         JOptionPane.showMessageDialog(null, error.toString(), "Error launching game", JOptionPane.ERROR_MESSAGE);
                     }
                     SwingUtilities.invokeLater(this::refreshSidebar);
-                    handler.exitFuture().whenCompleteAsync((p2, t2) -> this.refreshSidebar(), SwingUtilities::invokeLater);
+                    handler.exitFuture().whenCompleteAsync((p2, t2) -> {
+                        if (p2 != null && p2.exitValue() != 0) {
+                            var view = InstanceEditView.createOrShow(this, selectedInstance);
+                            view.setCurrentPage("Logs");
+                        }
+                        this.refreshSidebar();
+                    }, SwingUtilities::invokeLater);
                 });
                 refreshSidebar();
             });

launcher-gui/src/main/java/org/taumc/launcher/gui/screens/instance/InstanceEditView.java

@@ -113,8 +113,7 @@ private InstanceEditView(HomeView owner, String instance) {
         sidebar.addListSelectionListener(e -> {
             if (!e.getValueIsAdjusting()) {
                 String selected = sidebar.getSelectedValue();
-                CardLayout cl = (CardLayout) cardPanel.getLayout();
-                cl.show(cardPanel, selected);
+                setCurrentPage(selected);
             }
         });
 
@@ -143,15 +142,24 @@ public static boolean isLocked(String instance) {
         return OPEN_EDIT_VIEWS.containsKey(instance);
     }
 
-    public static void createOrShow(HomeView owner, String instance) {
+    public static InstanceEditView createOrShow(HomeView owner, String instance) {
         var view = OPEN_EDIT_VIEWS.get(instance);
         if (view != null) {
             view.toFront();
+            return view;
         } else {
-            new InstanceEditView(owner, instance);
+            return new InstanceEditView(owner, instance);
         }
     }
 
+    public void setCurrentPage(String page) {
+        if (!PAGES.containsKey(page)) {
+            throw new IllegalArgumentException();
+        }
+        CardLayout cl = (CardLayout) cardPanel.getLayout();
+        cl.show(cardPanel, page);
+    }
+
     private void readCurrentConfig() throws IOException {
         var mapper = new ObjectMapper();
         var mmcPack = mapper.readValue(this.mmcPackJson.toFile(), MMCPack.class);