dorkbox/Utilities
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Added Swt.getVersion()

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This commit is contained in:
nathan 2018-05-02 14:22:22 +02:00
parent ee2509c014
commit df8cf79014
1 changed files with 17 additions and 2 deletions
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19
src/dorkbox/util/Swt.java
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@ -42,13 +42,13 @@ class Swt {
// Methods are cached for performance
private static final Method syncExecMethod;
private static final int version;
static {
boolean isSwtLoaded_ = false;
boolean isSwtGtk3_ = false;
try {
// this is important to use reflection, because if JavaFX is not being used, calling getToolkit() will initialize it...
java.lang.reflect.Method m = ClassLoader.class.getDeclaredMethod("findLoadedClass", String.class);
m.setAccessible(true);
ClassLoader cl = ClassLoader.getSystemClassLoader();
@ -82,14 +82,23 @@ class Swt {
// currentDisplay = org.eclipse.swt.widgets.Display.getCurrent();
// currentDisplayThread = currentDisplay.getThread();
// also save the SWT version
Object _currentDisplay = null;
Thread _currentDisplayThread = null;
Method _syncExecMethod = null;
int _version = 0;
if (isSwtLoaded_) {
try {
Class<?> clazz = Class.forName("org.eclipse.swt.widgets.Display");
// SWT.getVersion()
Class<?> clazz = Class.forName("org.eclipse.swt.SWT");
Method getVersionMethod = clazz.getMethod("getVersion");
_version = (Integer) getVersionMethod.invoke(null);
clazz = Class.forName("org.eclipse.swt.widgets.Display");
Method getCurrentMethod = clazz.getMethod("getCurrent");
Method getThreadMethod = clazz.getMethod("getThread");
_syncExecMethod = clazz.getDeclaredMethod("syncExec", Runnable.class);
@ -150,6 +159,7 @@ class Swt {
currentDisplay = _currentDisplay;
currentDisplayThread = _currentDisplayThread;
syncExecMethod = _syncExecMethod;
version = _version;
}
@ -205,4 +215,9 @@ class Swt {
});
}
}
public static
int getVersion() {
return version;
}
}