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-rw-r--r--src/newt/native/NewtMacWindow.m495
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diff --git a/src/newt/native/NewtMacWindow.m b/src/newt/native/NewtMacWindow.m
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+/*
+ * 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"
+
+jint GetDeltaY(NSEvent *event, jint javaMods) {
+ CGFloat deltaY = 0.0;
+ CGEventRef cgEvent = [event CGEvent];
+
+ if (CGEventGetIntegerValueField(cgEvent, kCGScrollWheelEventIsContinuous)) {
+ // mouse pad case
+ deltaY =
+ CGEventGetIntegerValueField(cgEvent, kCGScrollWheelEventPointDeltaAxis1);
+ } else {
+ // traditional mouse wheel case
+ deltaY = [event deltaY];
+ if (deltaY == 0.0 && (javaMods & EVENT_SHIFT_MASK) != 0) {
+ // shift+vertical wheel scroll produces horizontal scroll
+ // we convert it to vertical
+ deltaY = [event deltaX];
+ }
+ if (deltaY < 1.0 && deltaY > -1.0) {
+ deltaY *= 10.0;
+ } else {
+ if (deltaY < 0.0) {
+ deltaY = deltaY - 0.5f;
+ } else {
+ deltaY = deltaY + 0.5f;
+ }
+ }
+ }
+
+ if (deltaY > 0) {
+ return (NSInteger)deltaY;
+ } else if (deltaY < 0) {
+ return -(NSInteger)deltaY;
+ }
+
+ return 0;
+}
+
+static jmethodID sendMouseEventID = NULL;
+static jmethodID sendKeyEventID = NULL;
+static jmethodID insetsChangedID = NULL;
+static jmethodID sizeChangedID = NULL;
+static jmethodID visibleChangedID = NULL;
+static jmethodID positionChangedID = NULL;
+static jmethodID focusChangedID = NULL;
+static jmethodID windowDestroyNotifyID = NULL;
+
+@implementation NewtView
+- (void) setJNIEnv: (JNIEnv*) theEnv
+{
+ env = theEnv;
+}
+- (JNIEnv*) getJNIEnv
+{
+ return env;
+}
+
+- (void) setJavaWindowObject: (jobject) javaWindowObj
+{
+ javaWindowObject = javaWindowObj;
+}
+
+- (jobject) getJavaWindowObject
+{
+ return javaWindowObject;
+}
+
+- (void) rightMouseDown: (NSEvent*) theEvent
+{
+ NSResponder* next = [self nextResponder];
+ if (next != nil) {
+ [next rightMouseDown: theEvent];
+ }
+}
+
+- (void)viewWillDraw
+{
+ fprintf(stderr, "*************** viewWillDraw: 0x%p", javaWindowObject); fflush(stderr);
+ [super viewWillDraw];
+}
+
+- (void)viewDidHide
+{
+ (*env)->CallVoidMethod(env, javaWindowObject, visibleChangedID, JNI_FALSE);
+ [super viewDidHide];
+}
+
+- (void)viewDidUnhide
+{
+ (*env)->CallVoidMethod(env, javaWindowObject, visibleChangedID, JNI_TRUE);
+ [super viewDidUnhide];
+}
+
+@end
+
+@implementation NewtMacWindow
+
++ (BOOL) initNatives: (JNIEnv*) env forClass: (jclass) clazz
+{
+ sendMouseEventID = (*env)->GetMethodID(env, clazz, "sendMouseEvent", "(IIIIII)V");
+ sendKeyEventID = (*env)->GetMethodID(env, clazz, "sendKeyEvent", "(IIIC)V");
+ sizeChangedID = (*env)->GetMethodID(env, clazz, "sizeChanged", "(IIZ)V");
+ visibleChangedID = (*env)->GetMethodID(env, clazz, "visibleChanged", "(Z)V");
+ insetsChangedID = (*env)->GetMethodID(env, clazz, "insetsChanged", "(IIII)V");
+ positionChangedID = (*env)->GetMethodID(env, clazz, "positionChanged", "(II)V");
+ focusChangedID = (*env)->GetMethodID(env, clazz, "focusChanged", "(Z)V");
+ windowDestroyNotifyID = (*env)->GetMethodID(env, clazz, "windowDestroyNotify", "()V");
+ if (sendMouseEventID && sendKeyEventID && sizeChangedID && visibleChangedID && insetsChangedID &&
+ positionChangedID && focusChangedID && windowDestroyNotifyID)
+ {
+ return YES;
+ }
+ return NO;
+}
+
+- (void) updateInsets: (JNIEnv*) env
+{
+ NSView* nsview = [self contentView];
+ if( ! [nsview isMemberOfClass:[NewtView class]] ) {
+ return;
+ }
+ NewtView* view = (NewtView *) nsview;
+ jobject javaWindowObject = [view getJavaWindowObject];
+ if (env==NULL || javaWindowObject == NULL) {
+ return;
+ }
+
+ NSRect frameRect = [self frame];
+ NSRect contentRect = [self contentRectForFrameRect: frameRect];
+
+ // note: this is a simplistic implementation which doesn't take
+ // into account DPI and scaling factor
+ CGFloat l = contentRect.origin.x - frameRect.origin.x;
+ jint top = (jint)(frameRect.size.height - contentRect.size.height);
+ jint left = (jint)l;
+ jint bottom = (jint)(contentRect.origin.y - frameRect.origin.y);
+ jint right = (jint)(frameRect.size.width - (contentRect.size.width + l));
+
+ (*env)->CallVoidMethod(env, javaWindowObject, insetsChangedID,
+ left, top, right, bottom);
+}
+
+- (id) initWithContentRect: (NSRect) contentRect
+ styleMask: (NSUInteger) windowStyle
+ backing: (NSBackingStoreType) bufferingType
+ screen:(NSScreen *)screen
+{
+ id res = [super initWithContentRect: contentRect
+ styleMask: windowStyle
+ backing: bufferingType
+ defer: YES
+ screen: screen];
+ // 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
+{
+ NSView* nsview = [self contentView];
+ if( ! [nsview isMemberOfClass:[NewtView class]] ) {
+ return;
+ }
+ NewtView* view = (NewtView *) nsview;
+ jobject javaWindowObject = [view getJavaWindowObject];
+ JNIEnv* env = [view getJNIEnv];
+ if (env==NULL || javaWindowObject == NULL) {
+ return;
+ }
+
+ int i;
+ jint keyCode = (jint) [event keyCode];
+ NSString* chars = [event charactersIgnoringModifiers];
+ int len = [chars length];
+ jint javaMods = mods2JavaMods([event modifierFlags]);
+
+ 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];
+ [self sendKeyEvent: theEvent eventType: EVENT_KEY_TYPED];
+}
+
+- (void) sendMouseEvent: (NSEvent*) event eventType: (jint) evType
+{
+ NSView* nsview = [self contentView];
+ if( ! [nsview isMemberOfClass:[NewtView class]] ) {
+ return;
+ }
+ NewtView* view = (NewtView *) nsview;
+ jobject javaWindowObject = [view getJavaWindowObject];
+ JNIEnv* env = [view getJNIEnv];
+ if (env==NULL || javaWindowObject == NULL) {
+ return;
+ }
+
+ 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);
+
+ // convert to 1-based button number (or use zero if no button is involved)
+ // TODO: detect mouse button when mouse wheel scrolled
+ jint javaButtonNum = 0;
+ jint scrollDeltaY = 0;
+ switch ([event type]) {
+ case NSScrollWheel: {
+ scrollDeltaY = GetDeltaY(event, javaMods);
+ break;
+ }
+ case NSLeftMouseDown:
+ case NSLeftMouseUp:
+ case NSLeftMouseDragged:
+ javaButtonNum = 1;
+ break;
+ case NSRightMouseDown:
+ case NSRightMouseUp:
+ case NSRightMouseDragged:
+ javaButtonNum = 3;
+ break;
+ case NSOtherMouseDown:
+ case NSOtherMouseUp:
+ case NSOtherMouseDragged:
+ javaButtonNum = 2;
+ break;
+ default:
+ javaButtonNum = 0;
+ break;
+ }
+
+ if (evType == EVENT_MOUSE_WHEEL_MOVED && scrollDeltaY == 0) {
+ // ignore 0 increment wheel scroll events
+ return;
+ }
+ (*env)->CallVoidMethod(env, javaWindowObject, sendMouseEventID,
+ evType, javaMods,
+ (jint) location.x,
+ (jint) (contentRect.size.height - location.y),
+ javaButtonNum, scrollDeltaY);
+}
+
+- (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) scrollWheel: (NSEvent*) theEvent
+{
+ [self sendMouseEvent: theEvent eventType: EVENT_MOUSE_WHEEL_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
+{
+ NSView* nsview = [self contentView];
+ if( ! [nsview isMemberOfClass:[NewtView class]] ) {
+ return;
+ }
+ NewtView* view = (NewtView *) nsview;
+ jobject javaWindowObject = [view getJavaWindowObject];
+ JNIEnv* env = [view getJNIEnv];
+ if (env==NULL || javaWindowObject == NULL) {
+ return;
+ }
+
+ // update insets on every window resize for lack of better hook place
+ [self updateInsets: env];
+
+ NSRect frameRect = [self frame];
+ NSRect contentRect = [self contentRectForFrameRect: frameRect];
+
+ (*env)->CallVoidMethod(env, javaWindowObject, sizeChangedID,
+ (jint) contentRect.size.width,
+ (jint) contentRect.size.height, JNI_FALSE);
+}
+
+- (void)windowDidMove: (NSNotification*) notification
+{
+ NSView* nsview = [self contentView];
+ if( ! [nsview isMemberOfClass:[NewtView class]] ) {
+ return;
+ }
+ NewtView* view = (NewtView *) nsview;
+ jobject javaWindowObject = [view getJavaWindowObject];
+ JNIEnv* env = [view getJNIEnv];
+ if (env==NULL || javaWindowObject == NULL) {
+ return;
+ }
+
+ NSRect rect = [self frame];
+ NSScreen* screen = NULL;
+ NSRect screenRect;
+ NSPoint pt;
+
+ screen = [self screen];
+ // this allows for better compatibility with awt behavior
+ screenRect = [screen frame];
+ 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
+{
+ NSView* nsview = [self contentView];
+ if( ! [nsview isMemberOfClass:[NewtView class]] ) {
+ return;
+ }
+ NewtView* view = (NewtView *) nsview;
+ jobject javaWindowObject = [view getJavaWindowObject];
+ JNIEnv* env = [view getJNIEnv];
+ if (env==NULL || javaWindowObject == NULL) {
+ return;
+ }
+
+ (*env)->CallVoidMethod(env, javaWindowObject, windowDestroyNotifyID);
+ // Can't issue call here - locked window state, done from Java method
+
+ // EOL ..
+ (*env)->DeleteGlobalRef(env, javaWindowObject);
+ [view setJavaWindowObject: NULL];
+}
+
+- (void) windowDidBecomeKey: (NSNotification *) notification
+{
+ NSView* nsview = [self contentView];
+ if( ! [nsview isMemberOfClass:[NewtView class]] ) {
+ return;
+ }
+ NewtView* view = (NewtView *) nsview;
+ jobject javaWindowObject = [view getJavaWindowObject];
+ JNIEnv* env = [view getJNIEnv];
+ if (env==NULL || javaWindowObject == NULL) {
+ return;
+ }
+
+ (*env)->CallVoidMethod(env, javaWindowObject, focusChangedID, JNI_TRUE);
+}
+
+- (void) windowDidResignKey: (NSNotification *) notification
+{
+ NSView* nsview = [self contentView];
+ if( ! [nsview isMemberOfClass:[NewtView class]] ) {
+ return;
+ }
+ NewtView* view = (NewtView *) nsview;
+ jobject javaWindowObject = [view getJavaWindowObject];
+ JNIEnv* env = [view getJNIEnv];
+ if (env==NULL || javaWindowObject == NULL) {
+ return;
+ }
+
+ (*env)->CallVoidMethod(env, javaWindowObject, focusChangedID, JNI_FALSE);
+}
+
+@end