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src/java.desktop/macosx/native/libawt_lwawt/awt/CRobot.m
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@@ -31,10 +31,11 @@
#import "CRobotKeyCode.h"
#import "LWCToolkit.h"
#import "sun_lwawt_macosx_CRobot.h"
#import "java_awt_event_InputEvent.h"
+#import "java_awt_event_KeyEvent.h"
#import "sizecalc.h"
// Starting number for event numbers generated by Robot.
// Apple docs don't mention at all what are the requirements
// for these numbers. It seems that they must be higher
@@ -72,10 +73,12 @@
static void PostMouseEvent(const CGPoint point, CGMouseButton button,
CGEventType type, int clickCount, int eventNumber);
static int GetClickCount(BOOL isDown);
+static BOOL IsModifierKey(jint javaKeyCode);
+
static void
CreateJavaException(JNIEnv* env, CGError err)
{
// Throw a java exception indicating what is wrong.
NSString* s = [NSString stringWithFormat:@"Robot: CGError: %d", err];
@@ -263,23 +266,33 @@
* a better solution, however, it gives me all kinds of trouble and I have
* no idea how to solve them without inserting delays between simulated
* events. So, I've ended up disabling it and opted for another approach
* that uses Accessibility API instead.
*/
- CGKeyCode keyCode = GetCGKeyCode(javaKeyCode);
- AXUIElementRef elem = AXUIElementCreateSystemWide();
- AXUIElementPostKeyboardEvent(elem, (CGCharCode)0, keyCode, keyPressed);
- CFRelease(elem);
+ CGKeyCode keyCode = GetCGKeyCode(javaKeyCode);
-#if 0
+ /*
+ * JDK-8155740: AXUIElementPostKeyboardEvent posts 0 key code for all
+ * the modifier keys with key codes (16, 17,18, 20, 157) and also for
+ * newly added modifier key VK_ALT_GRAPH. But it posts correct key code
+ * for all the other keys. On the other hand CGEventCreateKeyboardEvent
+ * posts correct key code for all the modifier keys and hence it is used
+ * to post modifier key events and AXUIElementPostKeyboardEvent is used to
+ * post all the remaining key events.
+ */
+ if (IsModifierKey(javaKeyCode)) {
CGEventRef event = CGEventCreateKeyboardEvent(NULL, keyCode, keyPressed);
if (event != NULL) {
CGEventPost(kCGSessionEventTap, event);
CFRelease(event);
}
-#endif
+ } else {
+ AXUIElementRef elem = AXUIElementCreateSystemWide();
+ AXUIElementPostKeyboardEvent(elem, (CGCharCode)0, keyCode, keyPressed);
+ CFRelease(elem);
+ }
}
/*
* Class: sun_lwawt_macosx_CRobot
* Method: nativeGetScreenPixels
@@ -382,5 +395,20 @@
}
}
return gsClickCount;
}
+
+static BOOL IsModifierKey(jint javaKeyCode) {
+
+ switch (javaKeyCode) {
+ case java_awt_event_KeyEvent_VK_SHIFT:
+ case java_awt_event_KeyEvent_VK_CONTROL:
+ case java_awt_event_KeyEvent_VK_ALT:
+ case java_awt_event_KeyEvent_VK_CAPS_LOCK:
+ case java_awt_event_KeyEvent_VK_META:
+ case java_awt_event_KeyEvent_VK_ALT_GRAPH:
+ return YES;
+ }
+
+ return NO;
+}
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