1 files changed, 293 insertions, 0 deletions
diff --git a/src/newt/native/NewtMacWindow.m b/src/newt/native/NewtMacWindow.m
new file mode 100644
index 000000000..5809c16b0
--- /dev/null
+++ b/src/newt/native/NewtMacWindow.m
@@ -0,0 +1,293 @@
+/*
+ * Copyright (c) 2009 Sun Microsystems, Inc. All Rights Reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ * - Redistribution of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * 
+ * - Redistribution in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * 
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * 
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ * 
+ */
+
+#import "NewtMacWindow.h"
+#import "InputEvent.h"
+#import "KeyEvent.h"
+#import "MouseEvent.h"
+
+static jmethodID sendMouseEventID  = NULL;
+static jmethodID sendKeyEventID    = NULL;
+static jmethodID sizeChangedID     = NULL;
+static jmethodID positionChangedID = NULL;
+static jmethodID windowClosedID    = NULL;
+
+// This is set while messages are being dispatched and cleared afterward
+static JNIEnv* env = NULL;
+
+@implementation NewtMacWindow
+
++ (BOOL) initNatives: (JNIEnv*) env forClass: (jclass) clazz
+{
+    sendMouseEventID  = (*env)->GetMethodID(env, clazz, "sendMouseEvent",  "(IIIII)V");
+    sendKeyEventID    = (*env)->GetMethodID(env, clazz, "sendKeyEvent",    "(IIIC)V");
+    sizeChangedID     = (*env)->GetMethodID(env, clazz, "sizeChanged",     "(II)V");
+    positionChangedID = (*env)->GetMethodID(env, clazz, "positionChanged", "(II)V");
+    windowClosedID    = (*env)->GetMethodID(env, clazz, "windowClosed",    "()V");
+    if (sendMouseEventID && sendKeyEventID && sizeChangedID && positionChangedID && windowClosedID) {
+        return YES;
+    }
+    return NO;
+}
+
++ (void) setJNIEnv: (JNIEnv*) theEnv
+{
+    env = theEnv;
+}
+
+- (id) initWithContentRect: (NSRect) contentRect
+       styleMask: (NSUInteger) windowStyle
+       backing: (NSBackingStoreType) bufferingType
+       defer: (BOOL) deferCreation
+       javaWindowObject: (jobject) javaWindowObj
+{
+    id res = [super initWithContentRect: contentRect
+                    styleMask: windowStyle
+                    backing: bufferingType
+                    defer: deferCreation];
+    javaWindowObject = javaWindowObj;
+    // Why is this necessary? Without it we don't get any of the
+    // delegate methods like resizing and window movement.
+    [self setDelegate: self];
+    return res;
+}
+
+- (BOOL) canBecomeKeyWindow
+{
+    // Even if the window is borderless, we still want it to be able
+    // to become the key window to receive keyboard events
+    return YES;
+}
+
+static jint mods2JavaMods(NSUInteger mods)
+{
+    int javaMods = 0;
+    if (mods & NSShiftKeyMask) {
+        javaMods |= EVENT_SHIFT_MASK;
+    }
+    if (mods & NSControlKeyMask) {
+        javaMods |= EVENT_CTRL_MASK;
+    }
+    if (mods & NSCommandKeyMask) {
+        javaMods |= EVENT_META_MASK;
+    }
+    if (mods & NSAlternateKeyMask) {
+        javaMods |= EVENT_ALT_MASK;
+    }
+    return javaMods;
+}
+
+- (void) sendKeyEvent: (NSEvent*) event eventType: (jint) evType
+{
+    int i;
+    jint keyCode = (jint) [event keyCode];
+    NSString* chars = [event charactersIgnoringModifiers];
+    int len = [chars length];
+    jint javaMods = mods2JavaMods([event modifierFlags]);
+
+    if (env == NULL) {
+        return;
+    }
+
+    if (javaWindowObject == NULL) {
+        return;
+    }
+
+    for (i = 0; i < len; i++) {
+        // Note: the key code in the NSEvent does not map to anything we can use
+        jchar keyChar = (jchar) [chars characterAtIndex: i];
+
+        (*env)->CallVoidMethod(env, javaWindowObject, sendKeyEventID,
+                               evType, javaMods, keyCode, keyChar);
+    }
+}
+
+- (void) keyDown: (NSEvent*) theEvent
+{
+    [self sendKeyEvent: theEvent eventType: EVENT_KEY_PRESSED];
+}
+
+- (void) keyUp: (NSEvent*) theEvent
+{
+    [self sendKeyEvent: theEvent eventType: EVENT_KEY_RELEASED];
+}
+
+- (void) sendMouseEvent: (NSEvent*) event eventType: (jint) evType
+{
+    jint javaMods = mods2JavaMods([event modifierFlags]);
+    NSRect frameRect = [self frame];
+    NSRect contentRect = [self contentRectForFrameRect: frameRect];
+    // NSPoint location = [event locationInWindow];
+    // The following computation improves the behavior of mouse drag
+    // events when they also affect the location of the window, but it
+    // still isn't perfect
+    NSPoint curLocation = [NSEvent mouseLocation];
+    NSPoint location = NSMakePoint(curLocation.x - frameRect.origin.x,
+                                   curLocation.y - frameRect.origin.y);
+
+    if (env == NULL) {
+        return;
+    }
+
+    if (javaWindowObject == NULL) {
+        return;
+    }
+
+    // 1-base the button number
+    (*env)->CallVoidMethod(env, javaWindowObject, sendMouseEventID,
+                           evType, javaMods,
+                           (jint) location.x,
+                           (jint) (contentRect.size.height - location.y),
+                           (jint) (1 + [event buttonNumber]));
+}
+
+- (void) mouseEntered: (NSEvent*) theEvent
+{
+    [self sendMouseEvent: theEvent eventType: EVENT_MOUSE_ENTERED];
+}
+
+- (void) mouseExited: (NSEvent*) theEvent
+{
+    [self sendMouseEvent: theEvent eventType: EVENT_MOUSE_EXITED];
+}
+
+- (void) mouseMoved: (NSEvent*) theEvent
+{
+    [self sendMouseEvent: theEvent eventType: EVENT_MOUSE_MOVED];
+}
+
+- (void) mouseDown: (NSEvent*) theEvent
+{
+    [self sendMouseEvent: theEvent eventType: EVENT_MOUSE_PRESSED];
+}
+
+- (void) mouseDragged: (NSEvent*) theEvent
+{
+    // Note use of MOUSE_MOVED event type because mouse dragged events are synthesized by Java
+    [self sendMouseEvent: theEvent eventType: EVENT_MOUSE_MOVED];
+}
+
+- (void) mouseUp: (NSEvent*) theEvent
+{
+    [self sendMouseEvent: theEvent eventType: EVENT_MOUSE_RELEASED];
+}
+
+- (void) rightMouseDown: (NSEvent*) theEvent
+{
+    [self sendMouseEvent: theEvent eventType: EVENT_MOUSE_PRESSED];
+}
+
+- (void) rightMouseDragged: (NSEvent*) theEvent
+{
+    // Note use of MOUSE_MOVED event type because mouse dragged events are synthesized by Java
+    [self sendMouseEvent: theEvent eventType: EVENT_MOUSE_MOVED];
+}
+
+- (void) rightMouseUp: (NSEvent*) theEvent
+{
+    [self sendMouseEvent: theEvent eventType: EVENT_MOUSE_RELEASED];
+}
+
+- (void) otherMouseDown: (NSEvent*) theEvent
+{
+    [self sendMouseEvent: theEvent eventType: EVENT_MOUSE_PRESSED];
+}
+
+- (void) otherMouseDragged: (NSEvent*) theEvent
+{
+    // Note use of MOUSE_MOVED event type because mouse dragged events are synthesized by Java
+    [self sendMouseEvent: theEvent eventType: EVENT_MOUSE_MOVED];
+}
+
+- (void) otherMouseUp: (NSEvent*) theEvent
+{
+    [self sendMouseEvent: theEvent eventType: EVENT_MOUSE_RELEASED];
+}
+
+- (void)windowDidResize: (NSNotification*) notification
+{
+    NSRect frameRect = [self frame];
+    NSRect contentRect = [self contentRectForFrameRect: frameRect];
+
+    if (env == NULL) {
+        return;
+    }
+
+    if (javaWindowObject == NULL) {
+        return;
+    }
+
+    (*env)->CallVoidMethod(env, javaWindowObject, sizeChangedID,
+                           (jint) contentRect.size.width,
+                           (jint) contentRect.size.height);
+}
+
+- (void)windowDidMove: (NSNotification*) notification
+{
+    NSRect rect = [self frame];
+    NSScreen* menuBarScreen = NULL;
+    NSScreen* screen = NULL;
+    NSRect screenRect;
+    NSPoint pt;
+
+    if (env == NULL) {
+        return;
+    }
+
+    if (javaWindowObject == NULL) {
+        return;
+    }
+
+    // FIXME: unclear whether this works correctly in multiple monitor situations
+    screen = [self screen];
+    screenRect = [screen visibleFrame];
+    pt = NSMakePoint(rect.origin.x, screenRect.origin.y + screenRect.size.height - rect.origin.y - rect.size.height);
+
+    (*env)->CallVoidMethod(env, javaWindowObject, positionChangedID,
+                           (jint) pt.x, (jint) pt.y);
+}
+
+- (void)windowWillClose: (NSNotification*) notification
+{
+    if (env == NULL) {
+        return;
+    }
+
+    if (javaWindowObject == NULL) {
+        return;
+    }
+
+    (*env)->CallVoidMethod(env, javaWindowObject, windowClosedID);
+}
+
+@end