/* * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ #import "jni_util.h" #import #import #import "LWCToolkit.h" #import "sun_lwawt_macosx_CRobot.h" #import "java_awt_event_InputEvent.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 // than event numbers from real events, which start at some // value close to zero. There is no API for obtaining current // event number, so we have to start from some random number. // 32000 as starting value works for me, let's hope that it will // work for others as well. #define ROBOT_EVENT_NUMBER_START 32000 #define k_JAVA_ROBOT_WHEEL_COUNT 1 #if !defined(kCGBitmapByteOrder32Host) #define kCGBitmapByteOrder32Host 0 #endif // In OS X, left and right mouse button share the same click count. // That is, if one starts clicking the left button rapidly and then // switches to the right button, then the click count will continue // increasing, without dropping to 1 in between. The middle button, // however, has its own click count. // For robot, we aren't going to emulate all that complexity. All our // synhtetic clicks share the same click count. static int gsClickCount; static NSTimeInterval gsLastClickTime; // Apparently, for mouse up/down events we have to set an event number // that is incremented on each button press. Otherwise, strange things // happen with z-order. static int gsEventNumber; static int* gsButtonEventNumber; static inline CGKeyCode GetCGKeyCode(jint javaKeyCode); static void PostMouseEvent(const CGPoint point, CGMouseButton button, CGEventType type, int clickCount, int eventNumber); static int GetClickCount(BOOL isDown); static void CreateJavaException(JNIEnv* env, CGError err) { // Throw a java exception indicating what is wrong. NSString* s = [NSString stringWithFormat:@"Robot: CGError: %d", err]; (*env)->ThrowNew(env, (*env)->FindClass(env, "java/awt/AWTException"), [s UTF8String]); } /* * Class: sun_lwawt_macosx_CRobot * Method: initRobot * Signature: (V)V */ JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CRobot_initRobot (JNIEnv *env, jobject peer) { // Set things up to let our app act like a synthetic keyboard and mouse. // Always set all states, in case Apple ever changes default behaviors. static int setupDone = 0; if (!setupDone) { int i; jint* tmp; jboolean copy = JNI_FALSE; setupDone = 1; // Don't block local events after posting ours CGSetLocalEventsSuppressionInterval(0.0); // Let our event's modifier key state blend with local hardware events CGEnableEventStateCombining(TRUE); // Don't let our events block local hardware events CGSetLocalEventsFilterDuringSupressionState( kCGEventFilterMaskPermitAllEvents, kCGEventSupressionStateSupressionInterval); CGSetLocalEventsFilterDuringSupressionState( kCGEventFilterMaskPermitAllEvents, kCGEventSupressionStateRemoteMouseDrag); gsClickCount = 0; gsLastClickTime = 0; gsEventNumber = ROBOT_EVENT_NUMBER_START; gsButtonEventNumber = (int*)SAFE_SIZE_ARRAY_ALLOC(malloc, sizeof(int), gNumberOfButtons); if (gsButtonEventNumber == NULL) { JNU_ThrowOutOfMemoryError(env, NULL); return; } for (i = 0; i < gNumberOfButtons; ++i) { gsButtonEventNumber[i] = ROBOT_EVENT_NUMBER_START; } } } /* * Class: sun_lwawt_macosx_CRobot * Method: mouseEvent * Signature: (IIIIZZ)V */ JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CRobot_mouseEvent (JNIEnv *env, jobject peer, jint displayID, jint mouseLastX, jint mouseLastY, jint buttonsState, jboolean isButtonsDownState, jboolean isMouseMove) { JNF_COCOA_ENTER(env); // This is the native method called when Robot mouse events occur. // The CRobot tracks the mouse position, and which button was // pressed. The peer also tracks the mouse button desired state, // the appropriate key modifier state, and whether the mouse action // is simply a mouse move with no mouse button state changes. // volatile, otherwise it warns that it might be clobbered by 'longjmp' volatile CGPoint point; point.x = mouseLastX; point.y = mouseLastY; __block CGMouseButton button = kCGMouseButtonLeft; __block CGEventType type = kCGEventMouseMoved; void (^HandleRobotButton)(CGMouseButton, CGEventType, CGEventType, CGEventType) = ^(CGMouseButton cgButton, CGEventType cgButtonUp, CGEventType cgButtonDown, CGEventType cgButtonDragged) { button = cgButton; type = cgButtonUp; if (isButtonsDownState) { if (isMouseMove) { type = cgButtonDragged; } else { type = cgButtonDown; } } }; // Left if (buttonsState & java_awt_event_InputEvent_BUTTON1_MASK || buttonsState & java_awt_event_InputEvent_BUTTON1_DOWN_MASK ) { HandleRobotButton(kCGMouseButtonLeft, kCGEventLeftMouseUp, kCGEventLeftMouseDown, kCGEventLeftMouseDragged); } // Other if (buttonsState & java_awt_event_InputEvent_BUTTON2_MASK || buttonsState & java_awt_event_InputEvent_BUTTON2_DOWN_MASK ) { HandleRobotButton(kCGMouseButtonCenter, kCGEventOtherMouseUp, kCGEventOtherMouseDown, kCGEventOtherMouseDragged); } // Right if (buttonsState & java_awt_event_InputEvent_BUTTON3_MASK || buttonsState & java_awt_event_InputEvent_BUTTON3_DOWN_MASK ) { HandleRobotButton(kCGMouseButtonRight, kCGEventRightMouseUp, kCGEventRightMouseDown, kCGEventRightMouseDragged); } // Extra if (gNumberOfButtons > 3) { int extraButton; for (extraButton = 3; extraButton < gNumberOfButtons; ++extraButton) { if ((buttonsState & gButtonDownMasks[extraButton])) { HandleRobotButton(extraButton, kCGEventOtherMouseUp, kCGEventOtherMouseDown, kCGEventOtherMouseDragged); } } } int clickCount = 0; int eventNumber = gsEventNumber; if (isMouseMove) { // any mouse movement resets click count gsLastClickTime = 0; } else { clickCount = GetClickCount(isButtonsDownState); if (isButtonsDownState) { gsButtonEventNumber[button] = gsEventNumber++; } eventNumber = gsButtonEventNumber[button]; } PostMouseEvent(point, button, type, clickCount, eventNumber); JNF_COCOA_EXIT(env); } /* * Class: sun_lwawt_macosx_CRobot * Method: mouseWheel * Signature: (I)V */ JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CRobot_mouseWheel (JNIEnv *env, jobject peer, jint wheelAmt) { CGEventRef event = CGEventCreateScrollWheelEvent(NULL, kCGScrollEventUnitLine, k_JAVA_ROBOT_WHEEL_COUNT, wheelAmt); if (event != NULL) { CGEventPost(kCGSessionEventTap, event); CFRelease(event); } } /* * Class: sun_lwawt_macosx_CRobot * Method: keyEvent * Signature: (IZ)V */ JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CRobot_keyEvent (JNIEnv *env, jobject peer, jint javaKeyCode, jboolean keyPressed) { /* * Well, using CGEventCreateKeyboardEvent/CGEventPost would have been * 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); #if 0 CGEventRef event = CGEventCreateKeyboardEvent(NULL, keyCode, keyPressed); if (event != NULL) { CGEventPost(kCGSessionEventTap, event); CFRelease(event); } #endif } /* * Class: sun_lwawt_macosx_CRobot * Method: nativeGetScreenPixels * Signature: (IIIII[I)V */ JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CRobot_nativeGetScreenPixels (JNIEnv *env, jobject peer, jint x, jint y, jint width, jint height, jintArray pixels) { JNF_COCOA_ENTER(env); jint picX = x; jint picY = y; jint picWidth = width; jint picHeight = height; CGRect screenRect = CGRectMake(picX, picY, picWidth, picHeight); CGImageRef screenPixelsImage = CGWindowListCreateImage(screenRect, kCGWindowListOptionOnScreenOnly, kCGNullWindowID, kCGWindowImageDefault); if (screenPixelsImage == NULL) { return; } // get a pointer to the Java int array void *jPixelData = (*env)->GetPrimitiveArrayCritical(env, pixels, 0); CHECK_NULL(jPixelData); // create a graphics context around the Java int array CGColorSpaceRef picColorSpace = CGColorSpaceCreateWithName( kCGColorSpaceGenericRGB); CGContextRef jPicContextRef = CGBitmapContextCreate( jPixelData, picWidth, picHeight, 8, picWidth * sizeof(jint), picColorSpace, kCGBitmapByteOrder32Host | kCGImageAlphaPremultipliedFirst); CGColorSpaceRelease(picColorSpace); // flip, scale, and color correct the screen image into the Java pixels CGRect bounds = { { 0, 0 }, { picWidth, picHeight } }; CGContextDrawImage(jPicContextRef, bounds, screenPixelsImage); CGContextFlush(jPicContextRef); // cleanup CGContextRelease(jPicContextRef); CGImageRelease(screenPixelsImage); // release the Java int array back up to the JVM (*env)->ReleasePrimitiveArrayCritical(env, pixels, jPixelData, 0); JNF_COCOA_EXIT(env); } /**************************************************** * Helper methods ****************************************************/ static void PostMouseEvent(const CGPoint point, CGMouseButton button, CGEventType type, int clickCount, int eventNumber) { CGEventRef mouseEvent = CGEventCreateMouseEvent(NULL, type, point, button); if (mouseEvent != NULL) { CGEventSetIntegerValueField(mouseEvent, kCGMouseEventClickState, clickCount); CGEventSetIntegerValueField(mouseEvent, kCGMouseEventNumber, eventNumber); CGEventPost(kCGSessionEventTap, mouseEvent); CFRelease(mouseEvent); } } // NOTE: Don't modify this table directly. It is machine generated. See below. static const unsigned char javaToMacKeyCode[] = { 127, // 0 0 VK_UNDEFINED No_Equivalent 127, // 1 0x1 Not_Used 127, // 2 0x2 Not_Used 127, // 3 0x3 VK_CANCEL No_Equivalent 127, // 4 0x4 Not_Used 127, // 5 0x5 Not_Used 127, // 6 0x6 Not_Used 127, // 7 0x7 Not_Used 51, // 8 0x8 VK_BACK_SPACE 48, // 9 0x9 VK_TAB 36, // 10 0xa VK_ENTER 127, // 11 0xb Not_Used 71, // 12 0xc VK_CLEAR 127, // 13 0xd Not_Used 127, // 14 0xe Not_Used 127, // 15 0xf Not_Used 56, // 16 0x10 VK_SHIFT 59, // 17 0x11 VK_CONTROL 58, // 18 0x12 VK_ALT 113, // 19 0x13 VK_PAUSE 57, // 20 0x14 VK_CAPS_LOCK 127, // 21 0x15 VK_KANA No_Equivalent 127, // 22 0x16 Not_Used 127, // 23 0x17 Not_Used 127, // 24 0x18 VK_FINAL No_Equivalent 127, // 25 0x19 VK_KANJI No_Equivalent 127, // 26 0x1a Not_Used 53, // 27 0x1b VK_ESCAPE 127, // 28 0x1c VK_CONVERT No_Equivalent 127, // 29 0x1d VK_NONCONVERT No_Equivalent 127, // 30 0x1e VK_ACCEPT No_Equivalent 127, // 31 0x1f VK_MODECHANGE No_Equivalent 49, // 32 0x20 VK_SPACE 116, // 33 0x21 VK_PAGE_UP 121, // 34 0x22 VK_PAGE_DOWN 119, // 35 0x23 VK_END 115, // 36 0x24 VK_HOME 123, // 37 0x25 VK_LEFT 126, // 38 0x26 VK_UP 124, // 39 0x27 VK_RIGHT 125, // 40 0x28 VK_DOWN 127, // 41 0x29 Not_Used 127, // 42 0x2a Not_Used 127, // 43 0x2b Not_Used 43, // 44 0x2c VK_COMMA 27, // 45 0x2d VK_MINUS 47, // 46 0x2e VK_PERIOD 44, // 47 0x2f VK_SLASH 29, // 48 0x30 VK_0 18, // 49 0x31 VK_1 19, // 50 0x32 VK_2 20, // 51 0x33 VK_3 21, // 52 0x34 VK_4 23, // 53 0x35 VK_5 22, // 54 0x36 VK_6 26, // 55 0x37 VK_7 28, // 56 0x38 VK_8 25, // 57 0x39 VK_9 127, // 58 0x3a Not_Used 41, // 59 0x3b VK_SEMICOLON 127, // 60 0x3c Not_Used 24, // 61 0x3d VK_EQUALS 127, // 62 0x3e Not_Used 127, // 63 0x3f Not_Used 127, // 64 0x40 Not_Used 0, // 65 0x41 VK_A 11, // 66 0x42 VK_B 8, // 67 0x43 VK_C 2, // 68 0x44 VK_D 14, // 69 0x45 VK_E 3, // 70 0x46 VK_F 5, // 71 0x47 VK_G 4, // 72 0x48 VK_H 34, // 73 0x49 VK_I 38, // 74 0x4a VK_J 40, // 75 0x4b VK_K 37, // 76 0x4c VK_L 46, // 77 0x4d VK_M 45, // 78 0x4e VK_N 31, // 79 0x4f VK_O 35, // 80 0x50 VK_P 12, // 81 0x51 VK_Q 15, // 82 0x52 VK_R 1, // 83 0x53 VK_S 17, // 84 0x54 VK_T 32, // 85 0x55 VK_U 9, // 86 0x56 VK_V 13, // 87 0x57 VK_W 7, // 88 0x58 VK_X 16, // 89 0x59 VK_Y 6, // 90 0x5a VK_Z 33, // 91 0x5b VK_OPEN_BRACKET 42, // 92 0x5c VK_BACK_SLASH 30, // 93 0x5d VK_CLOSE_BRACKET 127, // 94 0x5e Not_Used 127, // 95 0x5f Not_Used 82, // 96 0x60 VK_NUMPAD0 83, // 97 0x61 VK_NUMPAD1 84, // 98 0x62 VK_NUMPAD2 85, // 99 0x63 VK_NUMPAD3 86, // 100 0x64 VK_NUMPAD4 87, // 101 0x65 VK_NUMPAD5 88, // 102 0x66 VK_NUMPAD6 89, // 103 0x67 VK_NUMPAD7 91, // 104 0x68 VK_NUMPAD8 92, // 105 0x69 VK_NUMPAD9 67, // 106 0x6a VK_MULTIPLY 69, // 107 0x6b VK_ADD 127, // 108 0x6c VK_SEPARATER No_Equivalent 78, // 109 0x6d VK_SUBTRACT 65, // 110 0x6e VK_DECIMAL 75, // 111 0x6f VK_DIVIDE 122, // 112 0x70 VK_F1 120, // 113 0x71 VK_F2 99, // 114 0x72 VK_F3 118, // 115 0x73 VK_F4 96, // 116 0x74 VK_F5 97, // 117 0x75 VK_F6 98, // 118 0x76 VK_F7 100, // 119 0x77 VK_F8 101, // 120 0x78 VK_F9 109, // 121 0x79 VK_F10 103, // 122 0x7a VK_F11 111, // 123 0x7b VK_F12 127, // 124 0x7c Not_Used 127, // 125 0x7d Not_Used 127, // 126 0x7e Not_Used 117, // 127 0x7f VK_DELETE 127, // 128 0x80 VK_DEAD_GRAVE No_Equivalent 127, // 129 0x81 VK_DEAD_ACUTE No_Equivalent 127, // 130 0x82 VK_DEAD_CIRCUMFLEX No_Equivalent 127, // 131 0x83 VK_DEAD_TILDE No_Equivalent 127, // 132 0x84 VK_DEAD_MACRON No_Equivalent 127, // 133 0x85 VK_DEAD_BREVE No_Equivalent 127, // 134 0x86 VK_DEAD_ABOVEDOT No_Equivalent 127, // 135 0x87 VK_DEAD_DIAERESIS No_Equivalent 127, // 136 0x88 VK_DEAD_ABOVERING No_Equivalent 127, // 137 0x89 VK_DEAD_DOUBLEACUTE No_Equivalent 127, // 138 0x8a VK_DEAD_CARON No_Equivalent 127, // 139 0x8b VK_DEAD_CEDILLA No_Equivalent 127, // 140 0x8c VK_DEAD_OGONEK No_Equivalent 127, // 141 0x8d VK_DEAD_IOTA No_Equivalent 127, // 142 0x8e VK_DEAD_VOICED_SOUND No_Equivalent 127, // 143 0x8f VK_DEAD_SEMIVOICED_SOUND No_Equivalent 127, // 144 0x90 VK_NUM_LOCK No_Equivalent 107, // 145 0x91 VK_SCROLL_LOCK 127, // 146 0x92 Not_Used 127, // 147 0x93 Not_Used 127, // 148 0x94 Not_Used 127, // 149 0x95 Not_Used 127, // 150 0x96 VK_AMPERSAND No_Equivalent 127, // 151 0x97 VK_ASTERISK No_Equivalent 127, // 152 0x98 VK_QUOTEDBL No_Equivalent 127, // 153 0x99 VK_LESS No_Equivalent 105, // 154 0x9a VK_PRINTSCREEN 127, // 155 0x9b VK_INSERT No_Equivalent 114, // 156 0x9c VK_HELP 55, // 157 0x9d VK_META 127, // 158 0x9e Not_Used 127, // 159 0x9f Not_Used 127, // 160 0xa0 VK_GREATER No_Equivalent 127, // 161 0xa1 VK_BRACELEFT No_Equivalent 127, // 162 0xa2 VK_BRACERIGHT No_Equivalent 127, // 163 0xa3 Not_Used 127, // 164 0xa4 Not_Used 127, // 165 0xa5 Not_Used 127, // 166 0xa6 Not_Used 127, // 167 0xa7 Not_Used 127, // 168 0xa8 Not_Used 127, // 169 0xa9 Not_Used 127, // 170 0xaa Not_Used 127, // 171 0xab Not_Used 127, // 172 0xac Not_Used 127, // 173 0xad Not_Used 127, // 174 0xae Not_Used 127, // 175 0xaf Not_Used 127, // 176 0xb0 Not_Used 127, // 177 0xb1 Not_Used 127, // 178 0xb2 Not_Used 127, // 179 0xb3 Not_Used 127, // 180 0xb4 Not_Used 127, // 181 0xb5 Not_Used 127, // 182 0xb6 Not_Used 127, // 183 0xb7 Not_Used 127, // 184 0xb8 Not_Used 127, // 185 0xb9 Not_Used 127, // 186 0xba Not_Used 127, // 187 0xbb Not_Used 127, // 188 0xbc Not_Used 127, // 189 0xbd Not_Used 127, // 190 0xbe Not_Used 127, // 191 0xbf Not_Used 50, // 192 0xc0 VK_BACK_QUOTE 127, // 193 0xc1 Not_Used 127, // 194 0xc2 Not_Used 127, // 195 0xc3 Not_Used 127, // 196 0xc4 Not_Used 127, // 197 0xc5 Not_Used 127, // 198 0xc6 Not_Used 127, // 199 0xc7 Not_Used 127, // 200 0xc8 Not_Used 127, // 201 0xc9 Not_Used 127, // 202 0xca Not_Used 127, // 203 0xcb Not_Used 127, // 204 0xcc Not_Used 127, // 205 0xcd Not_Used 127, // 206 0xce Not_Used 127, // 207 0xcf Not_Used 127, // 208 0xd0 Not_Used 127, // 209 0xd1 Not_Used 127, // 210 0xd2 Not_Used 127, // 211 0xd3 Not_Used 127, // 212 0xd4 Not_Used 127, // 213 0xd5 Not_Used 127, // 214 0xd6 Not_Used 127, // 215 0xd7 Not_Used 127, // 216 0xd8 Not_Used 127, // 217 0xd9 Not_Used 127, // 218 0xda Not_Used 127, // 219 0xdb Not_Used 127, // 220 0xdc Not_Used 127, // 221 0xdd Not_Used 39 // 222 0xde VK_QUOTE }; // NOTE: All values above 222 don't have an equivalent on MacOSX. static inline CGKeyCode GetCGKeyCode(jint javaKeyCode) { if (javaKeyCode > 222) { return 127; } else { return javaToMacKeyCode[javaKeyCode]; } } static int GetClickCount(BOOL isDown) { NSTimeInterval now = [[NSDate date] timeIntervalSinceReferenceDate]; NSTimeInterval clickInterval = now - gsLastClickTime; BOOL isWithinTreshold = clickInterval < [NSEvent doubleClickInterval]; if (isDown) { if (isWithinTreshold) { gsClickCount++; } else { gsClickCount = 1; } gsLastClickTime = now; } else { // In OS X, a mouse up has the click count of the last mouse down // if an interval between up and down is within the double click // threshold, and 0 otherwise. if (!isWithinTreshold) { gsClickCount = 0; } } return gsClickCount; }