27
28 import sun.awt.SunToolkit;
29 import sun.lwawt.LWWindowPeer;
30 import sun.lwawt.PlatformEventNotifier;
31
32 import java.awt.Toolkit;
33 import java.awt.event.MouseEvent;
34 import java.awt.event.InputEvent;
35 import java.awt.event.MouseWheelEvent;
36 import java.awt.event.KeyEvent;
37 import java.util.Locale;
38
39 /**
40 * Translates NSEvents/NPCocoaEvents into AWT events.
41 */
42 final class CPlatformResponder {
43
44 private final PlatformEventNotifier eventNotifier;
45 private final boolean isNpapiCallback;
46 private int lastKeyPressCode = KeyEvent.VK_UNDEFINED;
47
48 CPlatformResponder(final PlatformEventNotifier eventNotifier,
49 final boolean isNpapiCallback) {
50 this.eventNotifier = eventNotifier;
51 this.isNpapiCallback = isNpapiCallback;
52 }
53
54 /**
55 * Handles mouse events.
56 */
57 void handleMouseEvent(int eventType, int modifierFlags, int buttonNumber,
58 int clickCount, int x, int y, int absX, int absY) {
59 final SunToolkit tk = (SunToolkit)Toolkit.getDefaultToolkit();
60 if ((buttonNumber > 2 && !tk.areExtraMouseButtonsEnabled())
61 || buttonNumber > tk.getNumberOfButtons() - 1) {
62 return;
63 }
64
65 int jeventType = isNpapiCallback ? NSEvent.npToJavaEventType(eventType) :
66 NSEvent.nsToJavaEventType(eventType);
72 jeventType != MouseEvent.MOUSE_ENTERED &&
73 jeventType != MouseEvent.MOUSE_EXITED)
74 {
75 jbuttonNumber = NSEvent.nsToJavaButton(buttonNumber);
76 jclickCount = clickCount;
77 }
78
79 int jmodifiers = NSEvent.nsToJavaModifiers(modifierFlags);
80 boolean jpopupTrigger = NSEvent.isPopupTrigger(jmodifiers);
81
82 eventNotifier.notifyMouseEvent(jeventType, System.currentTimeMillis(), jbuttonNumber,
83 x, y, absX, absY, jmodifiers, jclickCount,
84 jpopupTrigger, null);
85 }
86
87 /**
88 * Handles scroll events.
89 */
90 void handleScrollEvent(final int x, final int y, final int absX,
91 final int absY, final int modifierFlags,
92 final double deltaX, final double deltaY) {
93 int jmodifiers = NSEvent.nsToJavaModifiers(modifierFlags);
94 final boolean isShift = (jmodifiers & InputEvent.SHIFT_DOWN_MASK) != 0;
95
96 // Vertical scroll.
97 if (!isShift && deltaY != 0.0) {
98 dispatchScrollEvent(x, y, absX, absY, jmodifiers, deltaY);
99 }
100 // Horizontal scroll or shirt+vertical scroll.
101 final double delta = isShift && deltaY != 0.0 ? deltaY : deltaX;
102 if (delta != 0.0) {
103 jmodifiers |= InputEvent.SHIFT_DOWN_MASK;
104 dispatchScrollEvent(x, y, absX, absY, jmodifiers, delta);
105 }
106 }
107
108 private void dispatchScrollEvent(final int x, final int y, final int absX,
109 final int absY, final int modifiers,
110 final double delta) {
111 final long when = System.currentTimeMillis();
112 final int scrollType = MouseWheelEvent.WHEEL_UNIT_SCROLL;
113 final int scrollAmount = 1;
114 int wheelRotation = (int) delta;
115 int signum = (int) Math.signum(delta);
116 if (signum * delta < 1) {
117 wheelRotation = signum;
118 }
119 // invert the wheelRotation for the peer
120 eventNotifier.notifyMouseWheelEvent(when, x, y, absX, absY, modifiers,
121 scrollType, scrollAmount,
122 -wheelRotation, -delta, null);
123 }
124
125 /**
126 * Handles key events.
127 */
128 void handleKeyEvent(int eventType, int modifierFlags, String chars, String charsIgnoringModifiers,
129 short keyCode, boolean needsKeyTyped, boolean needsKeyReleased) {
130 boolean isFlagsChangedEvent =
131 isNpapiCallback ? (eventType == CocoaConstants.NPCocoaEventFlagsChanged) :
132 (eventType == CocoaConstants.NSFlagsChanged);
133
134 int jeventType = KeyEvent.KEY_PRESSED;
135 int jkeyCode = KeyEvent.VK_UNDEFINED;
136 int jkeyLocation = KeyEvent.KEY_LOCATION_UNKNOWN;
137 boolean postsTyped = false;
138 boolean spaceKeyTyped = false;
139
140 char testChar = KeyEvent.CHAR_UNDEFINED;
141 boolean isDeadChar = (chars!= null && chars.length() == 0);
142
243 int index = 0, length = text.length();
244 char c = 0;
245 while (index < length) {
246 c = text.charAt(index);
247 eventNotifier.notifyKeyEvent(KeyEvent.KEY_TYPED,
248 System.currentTimeMillis(),
249 0, KeyEvent.VK_UNDEFINED, c,
250 KeyEvent.KEY_LOCATION_UNKNOWN);
251 index++;
252 }
253 eventNotifier.notifyKeyEvent(KeyEvent.KEY_RELEASED,
254 System.currentTimeMillis(),
255 0, lastKeyPressCode, c,
256 KeyEvent.KEY_LOCATION_UNKNOWN);
257 }
258 }
259
260 void handleWindowFocusEvent(boolean gained, LWWindowPeer opposite) {
261 eventNotifier.notifyActivation(gained, opposite);
262 }
263 }
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27
28 import sun.awt.SunToolkit;
29 import sun.lwawt.LWWindowPeer;
30 import sun.lwawt.PlatformEventNotifier;
31
32 import java.awt.Toolkit;
33 import java.awt.event.MouseEvent;
34 import java.awt.event.InputEvent;
35 import java.awt.event.MouseWheelEvent;
36 import java.awt.event.KeyEvent;
37 import java.util.Locale;
38
39 /**
40 * Translates NSEvents/NPCocoaEvents into AWT events.
41 */
42 final class CPlatformResponder {
43
44 private final PlatformEventNotifier eventNotifier;
45 private final boolean isNpapiCallback;
46 private int lastKeyPressCode = KeyEvent.VK_UNDEFINED;
47 private final DeltaAccumulator deltaAccumulatorX = new DeltaAccumulator();
48 private final DeltaAccumulator deltaAccumulatorY = new DeltaAccumulator();
49
50 CPlatformResponder(final PlatformEventNotifier eventNotifier,
51 final boolean isNpapiCallback) {
52 this.eventNotifier = eventNotifier;
53 this.isNpapiCallback = isNpapiCallback;
54 }
55
56 /**
57 * Handles mouse events.
58 */
59 void handleMouseEvent(int eventType, int modifierFlags, int buttonNumber,
60 int clickCount, int x, int y, int absX, int absY) {
61 final SunToolkit tk = (SunToolkit)Toolkit.getDefaultToolkit();
62 if ((buttonNumber > 2 && !tk.areExtraMouseButtonsEnabled())
63 || buttonNumber > tk.getNumberOfButtons() - 1) {
64 return;
65 }
66
67 int jeventType = isNpapiCallback ? NSEvent.npToJavaEventType(eventType) :
68 NSEvent.nsToJavaEventType(eventType);
74 jeventType != MouseEvent.MOUSE_ENTERED &&
75 jeventType != MouseEvent.MOUSE_EXITED)
76 {
77 jbuttonNumber = NSEvent.nsToJavaButton(buttonNumber);
78 jclickCount = clickCount;
79 }
80
81 int jmodifiers = NSEvent.nsToJavaModifiers(modifierFlags);
82 boolean jpopupTrigger = NSEvent.isPopupTrigger(jmodifiers);
83
84 eventNotifier.notifyMouseEvent(jeventType, System.currentTimeMillis(), jbuttonNumber,
85 x, y, absX, absY, jmodifiers, jclickCount,
86 jpopupTrigger, null);
87 }
88
89 /**
90 * Handles scroll events.
91 */
92 void handleScrollEvent(final int x, final int y, final int absX,
93 final int absY, final int modifierFlags,
94 final double deltaX, final double deltaY,
95 final int scrollPhase) {
96 int jmodifiers = NSEvent.nsToJavaModifiers(modifierFlags);
97 final boolean isShift = (jmodifiers & InputEvent.SHIFT_DOWN_MASK) != 0;
98
99 int roundDeltaX = deltaAccumulatorX.getRoundedDelta(deltaX, scrollPhase);
100 int roundDeltaY = deltaAccumulatorY.getRoundedDelta(deltaY, scrollPhase);
101
102 // Vertical scroll.
103 if (!isShift && (deltaY != 0.0 || roundDeltaY != 0)) {
104 dispatchScrollEvent(x, y, absX, absY, jmodifiers, roundDeltaY, deltaY);
105 }
106 // Horizontal scroll or shirt+vertical scroll.
107 final double delta = isShift && deltaY != 0.0 ? deltaY : deltaX;
108 final int roundDelta = isShift && roundDeltaY != 0.0 ? roundDeltaY : roundDeltaX;
109 if (delta != 0.0 || roundDelta != 0) {
110 jmodifiers |= InputEvent.SHIFT_DOWN_MASK;
111 dispatchScrollEvent(x, y, absX, absY, jmodifiers, roundDelta, delta);
112 }
113 }
114
115 private void dispatchScrollEvent(final int x, final int y, final int absX,
116 final int absY, final int modifiers,
117 final int roundDelta, final double delta) {
118 final long when = System.currentTimeMillis();
119 final int scrollType = MouseWheelEvent.WHEEL_UNIT_SCROLL;
120 final int scrollAmount = 1;
121 // invert the wheelRotation for the peer
122 eventNotifier.notifyMouseWheelEvent(when, x, y, absX, absY, modifiers,
123 scrollType, scrollAmount,
124 -roundDelta, -delta, null);
125 }
126
127 /**
128 * Handles key events.
129 */
130 void handleKeyEvent(int eventType, int modifierFlags, String chars, String charsIgnoringModifiers,
131 short keyCode, boolean needsKeyTyped, boolean needsKeyReleased) {
132 boolean isFlagsChangedEvent =
133 isNpapiCallback ? (eventType == CocoaConstants.NPCocoaEventFlagsChanged) :
134 (eventType == CocoaConstants.NSFlagsChanged);
135
136 int jeventType = KeyEvent.KEY_PRESSED;
137 int jkeyCode = KeyEvent.VK_UNDEFINED;
138 int jkeyLocation = KeyEvent.KEY_LOCATION_UNKNOWN;
139 boolean postsTyped = false;
140 boolean spaceKeyTyped = false;
141
142 char testChar = KeyEvent.CHAR_UNDEFINED;
143 boolean isDeadChar = (chars!= null && chars.length() == 0);
144
245 int index = 0, length = text.length();
246 char c = 0;
247 while (index < length) {
248 c = text.charAt(index);
249 eventNotifier.notifyKeyEvent(KeyEvent.KEY_TYPED,
250 System.currentTimeMillis(),
251 0, KeyEvent.VK_UNDEFINED, c,
252 KeyEvent.KEY_LOCATION_UNKNOWN);
253 index++;
254 }
255 eventNotifier.notifyKeyEvent(KeyEvent.KEY_RELEASED,
256 System.currentTimeMillis(),
257 0, lastKeyPressCode, c,
258 KeyEvent.KEY_LOCATION_UNKNOWN);
259 }
260 }
261
262 void handleWindowFocusEvent(boolean gained, LWWindowPeer opposite) {
263 eventNotifier.notifyActivation(gained, opposite);
264 }
265
266 static class DeltaAccumulator {
267
268 static final double DELTA_THRESHOLD = 0.8;
269 double accumulatedDelta;
270
271 int getRoundedDelta(double delta, int scrollPhase) {
272
273 int roundDelta = (int) Math.round(delta);
274
275 if (scrollPhase == NSEvent.SCROLL_PHASE_UNSUPPORTED) { // mouse wheel
276 if (roundDelta == 0 && delta != 0) {
277 roundDelta = delta > 0 ? 1 : -1;
278 }
279 } else { // trackpad
280 boolean begin = scrollPhase == NSEvent.SCROLL_PHASE_BEGAN;
281 boolean end = scrollPhase == NSEvent.SCROLL_MASK_PHASE_ENDED
282 || scrollPhase == NSEvent.SCROLL_MASK_PHASE_CANCELLED;
283
284 if (begin) {
285 accumulatedDelta = 0;
286 }
287
288 accumulatedDelta += delta;
289
290 if (Math.abs(accumulatedDelta) > DELTA_THRESHOLD) {
291 roundDelta = (int) Math.round(accumulatedDelta);
292 accumulatedDelta -= roundDelta;
293 }
294
295 if (end) {
296 if (roundDelta == 0 && accumulatedDelta != 0) {
297 roundDelta = accumulatedDelta > 0 ? 1 : -1;
298 }
299 accumulatedDelta = 0;
300 }
301 }
302
303 return roundDelta;
304 }
305 }
306 }
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