JAL-3416 make flatlaf default for linux

[jalview.git] / src / jalview / bin / Jalview.java

diff --git a/src/jalview/bin/Jalview.java b/src/jalview/bin/Jalview.java
index fd1783a..a241abe 100755 (executable)
--- a/src/jalview/bin/Jalview.java
+++ b/src/jalview/bin/Jalview.java
@@ -45,6 +45,7 @@ import java.util.logging.ConsoleHandler;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
+import javax.swing.JOptionPane;
 import javax.swing.SwingUtilities;
 import javax.swing.UIManager;
 import javax.swing.UIManager.LookAndFeelInfo;
@@ -76,6 +77,7 @@ import jalview.schemes.ColourSchemeI;
 import jalview.schemes.ColourSchemeProperty;
 import jalview.util.ChannelProperties;
 import jalview.util.HttpUtils;
+import jalview.util.LaunchUtils;
 import jalview.util.MessageManager;
 import jalview.util.Platform;
 import jalview.ws.jws2.Jws2Discoverer;
@@ -433,6 +435,35 @@ public class Jalview
        * @j2sIgnore
        */
       {
+
+        /**
+         * Check to see that the JVM version being run is suitable for the Java
+         * version this Jalview was compiled for. Popup a warning if not.
+         */
+        if (!LaunchUtils.checkJavaVersion())
+        {
+          Console.warn("The Java version being used (Java "
+                  + LaunchUtils.getJavaVersion()
+                  + ") may lead to problems. This installation of Jalview should be used with Java "
+                  + LaunchUtils.getJavaCompileVersion() + ".");
+
+          if (!LaunchUtils
+                  .getBooleanUserPreference("IGNORE_JVM_WARNING_POPUP"))
+          {
+            Object[] options = {
+                MessageManager.getString("label.continue") };
+            JOptionPane.showOptionDialog(null,
+                    MessageManager.formatMessage(
+                            "warning.wrong_jvm_version_message",
+                            LaunchUtils.getJavaVersion(),
+                            LaunchUtils.getJavaCompileVersion()),
+                    MessageManager
+                            .getString("warning.wrong_jvm_version_title"),
+                    JOptionPane.DEFAULT_OPTION, JOptionPane.WARNING_MESSAGE,
+                    null, options, options[0]);
+          }
+        }
+
         if (!aparser.contains("nowebservicediscovery"))
         {
           desktop.startServiceDiscovery();
@@ -494,6 +525,16 @@ public class Jalview
       }
     }
 
+    // Check if JVM and compile version might cause problems and log if it
+    // might.
+    if (headless && !Platform.isJS() && !LaunchUtils.checkJavaVersion())
+    {
+      Console.warn("The Java version being used (Java "
+              + LaunchUtils.getJavaVersion()
+              + ") may lead to problems. This installation of Jalview should be used with Java "
+              + LaunchUtils.getJavaCompileVersion() + ".");
+    }
+
     // Move any new getdown-launcher-new.jar into place over old
     // getdown-launcher.jar
     String appdirString = System.getProperty("getdownappdir");
@@ -957,7 +998,7 @@ public class Jalview
       setSystemLookAndFeel();
       if (Platform.isLinux())
       {
-        setMetalLookAndFeel();
+        setLinuxLookAndFeel();
       }
       if (Platform.isMac())
       {
@@ -1082,6 +1123,8 @@ public class Jalview
       UIManager.put("TabbedPane.tabWidthMode", "compact");
       UIManager.put("TabbedPane.selectedBackground", Color.white);
     }
+
+    Desktop.setLiveDragMode(Cache.getDefault("FLAT_LIVE_DRAG_MODE", true));
     return set;
   }
 
@@ -1105,12 +1148,28 @@ public class Jalview
     System.setProperty("com.apple.mrj.application.apple.menu.about.name",
             ChannelProperties.getProperty("app_name"));
     System.setProperty("apple.laf.useScreenMenuBar", "true");
+    /*
+     * broken native LAFs on (ARM?) macbooks
     set = setQuaquaLookAndFeel();
     if ((!set) || !UIManager.getLookAndFeel().getClass().toString()
             .toLowerCase(Locale.ROOT).contains("quaqua"))
     {
       set = setVaquaLookAndFeel();
     }
+     */
+    set = setFlatLookAndFeel();
+    return set;
+  }
+
+  private static boolean setLinuxLookAndFeel()
+  {
+    boolean set = false;
+    set = setFlatLookAndFeel();
+    if (!set)
+      set = setMetalLookAndFeel();
+    // avoid GtkLookAndFeel -- not good results especially on HiDPI
+    if (!set)
+      set = setNimbusLookAndFeel();
     return set;
   }