#include "mouse.h" #include "screen.h" #include "deadbeef_rand.h" #include "microsleep.h" #include /* For floor() */ #if defined(IS_MACOSX) #include #elif defined(USE_X11) #include #include #include #include "xdisplay.h" #endif #if !defined(M_SQRT2) #define M_SQRT2 1.4142135623730950488016887 /* Fix for MSVC. */ #endif /* Some convenience macros for converting our enums to the system API types. */ #if defined(IS_MACOSX) #define MMMouseToCGEventType(down, button) \ (down ? MMMouseDownToCGEventType(button) : MMMouseUpToCGEventType(button)) #define MMMouseDownToCGEventType(button) \ ((button) == (LEFT_BUTTON) ? kCGEventLeftMouseDown \ : ((button) == RIGHT_BUTTON ? kCGEventRightMouseDown \ : kCGEventOtherMouseDown)) #define MMMouseUpToCGEventType(button) \ ((button) == LEFT_BUTTON ? kCGEventLeftMouseUp \ : ((button) == RIGHT_BUTTON ? kCGEventRightMouseUp \ : kCGEventOtherMouseUp)) #define MMMouseDragToCGEventType(button) \ ((button) == LEFT_BUTTON ? kCGEventLeftMouseDragged \ : ((button) == RIGHT_BUTTON ? kCGEventRightMouseDragged \ : kCGEventOtherMouseDragged)) #elif defined(IS_WINDOWS) // The width of the virtual screen, in pixels. static int vscreenWidth = -1; // not initialized // The height of the virtual screen, in pixels. static int vscreenHeight = -1; // not initialized // The coordinates for the left side of the virtual screen. static int vscreenMinX = 0; // The coordinates for the top of the virtual screen. static int vscreenMinY = 0; #define MMMouseToMEventF(down, button) \ (down ? MMMouseDownToMEventF(button) : MMMouseUpToMEventF(button)) #define MMMouseUpToMEventF(button) \ ((button) == LEFT_BUTTON ? MOUSEEVENTF_LEFTUP \ : ((button) == RIGHT_BUTTON ? MOUSEEVENTF_RIGHTUP \ : MOUSEEVENTF_MIDDLEUP)) #define MMMouseDownToMEventF(button) \ ((button) == LEFT_BUTTON ? MOUSEEVENTF_LEFTDOWN \ : ((button) == RIGHT_BUTTON ? MOUSEEVENTF_RIGHTDOWN \ : MOUSEEVENTF_MIDDLEDOWN)) #endif #if defined(IS_MACOSX) /** * Calculate the delta for a mouse move and add them to the event. * @param event The mouse move event (by ref). * @param point The new mouse x and y. */ void calculateDeltas(CGEventRef *event, MMSignedPoint point) { /** * The next few lines are a workaround for games not detecting mouse moves. * See this issue for more information: * https://github.com/octalmage/robotjs/issues/159 */ CGEventRef get = CGEventCreate(NULL); CGPoint mouse = CGEventGetLocation(get); // Calculate the deltas. int64_t deltaX = point.x - mouse.x; int64_t deltaY = point.y - mouse.y; CGEventSetIntegerValueField(*event, kCGMouseEventDeltaX, deltaX); CGEventSetIntegerValueField(*event, kCGMouseEventDeltaY, deltaY); CFRelease(get); } #endif void updateScreenMetrics() { #if defined(IS_WINDOWS) vscreenWidth = GetSystemMetrics(SM_CXVIRTUALSCREEN); vscreenHeight = GetSystemMetrics(SM_CYVIRTUALSCREEN); vscreenMinX = GetSystemMetrics(SM_XVIRTUALSCREEN); vscreenMinY = GetSystemMetrics(SM_YVIRTUALSCREEN); #endif } /** * Move the mouse to a specific point. * @param point The coordinates to move the mouse to (x, y). */ void moveMouse(MMSignedPoint point) { #if defined(IS_MACOSX) CGEventRef move = CGEventCreateMouseEvent(NULL, kCGEventMouseMoved, CGPointFromMMSignedPoint(point), kCGMouseButtonLeft); calculateDeltas(&move, point); CGEventPost(kCGSessionEventTap, move); CFRelease(move); #elif defined(USE_X11) Display *display = XGetMainDisplay(); if (display) { XWarpPointer(display, None, DefaultRootWindow(display), 0, 0, 0, 0, point.x, point.y); XFlush(display); } #elif defined(IS_WINDOWS) if(vscreenWidth<0 || vscreenHeight<0) updateScreenMetrics(); //Mouse motion is now done using SendInput with MOUSEINPUT. We use Absolute mouse positioning #define MOUSE_COORD_TO_ABS(coord, width_or_height) ((65536 * (coord) / width_or_height) + ((coord) < 0 ? -1 : 1)) size_t x = MOUSE_COORD_TO_ABS(point.x-vscreenMinX, vscreenWidth); size_t y = MOUSE_COORD_TO_ABS(point.y-vscreenMinY, vscreenHeight); INPUT mouseInput = {0}; mouseInput.type = INPUT_MOUSE; mouseInput.mi.dx = x; mouseInput.mi.dy = y; mouseInput.mi.dwFlags = MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE | MOUSEEVENTF_VIRTUALDESK; mouseInput.mi.time = 0; //System will provide the timestamp SendInput(1, &mouseInput, sizeof(mouseInput)); #endif } void dragMouse(MMSignedPoint point, const MMMouseButton button) { #if defined(IS_MACOSX) const CGEventType dragType = MMMouseDragToCGEventType(button); CGEventRef drag = CGEventCreateMouseEvent(NULL, dragType, CGPointFromMMSignedPoint(point), (CGMouseButton)button); calculateDeltas(&drag, point); CGEventPost(kCGSessionEventTap, drag); CFRelease(drag); #else moveMouse(point); #endif } MMSignedPoint getMousePos() { #if defined(IS_MACOSX) CGEventRef event = CGEventCreate(NULL); CGPoint point = CGEventGetLocation(event); CFRelease(event); return MMSignedPointFromCGPoint(point); #elif defined(USE_X11) int x, y = 0; /* This is all we care about. Seriously. */ Window garb1, garb2; /* Why you can't specify NULL as a parameter */ int garb_x, garb_y; /* is beyond me. */ unsigned int more_garbage; Display *display = XGetMainDisplay(); if (display) { XQueryPointer(display, XDefaultRootWindow(display), &garb1, &garb2, &x, &y, &garb_x, &garb_y, &more_garbage); } return MMSignedPointMake(x, y); #elif defined(IS_WINDOWS) POINT point; GetCursorPos(&point); return MMSignedPointFromPOINT(point); #endif } /** * Press down a button, or release it. * @param down True for down, false for up. * @param button The button to press down or release. */ void toggleMouse(bool down, MMMouseButton button) { #if defined(IS_MACOSX) const CGPoint currentPos = CGPointFromMMSignedPoint(getMousePos()); const CGEventType mouseType = MMMouseToCGEventType(down, button); CGEventRef event = CGEventCreateMouseEvent(NULL, mouseType, currentPos, (CGMouseButton)button); CGEventPost(kCGSessionEventTap, event); CFRelease(event); #elif defined(USE_X11) Display *display = XGetMainDisplay(); if (display) { XTestFakeButtonEvent(display, button, down ? True : False, CurrentTime); XFlush(display); } #elif defined(IS_WINDOWS) INPUT mouseInput; mouseInput.type = INPUT_MOUSE; mouseInput.mi.dx = 0; mouseInput.mi.dy = 0; mouseInput.mi.dwFlags = MMMouseToMEventF(down, button); mouseInput.mi.time = 0; //System will provide the timestamp mouseInput.mi.dwExtraInfo = 0; mouseInput.mi.mouseData = 0; SendInput(1, &mouseInput, sizeof(mouseInput)); #endif } void clickMouse(MMMouseButton button) { toggleMouse(true, button); toggleMouse(false, button); } /** * Special function for sending double clicks, needed for Mac OS X. * @param button Button to click. */ void doubleClick(MMMouseButton button) { #if defined(IS_MACOSX) /* Double click for Mac. */ const CGPoint currentPos = CGPointFromMMSignedPoint(getMousePos()); const CGEventType mouseTypeDown = MMMouseToCGEventType(true, button); const CGEventType mouseTypeUP = MMMouseToCGEventType(false, button); CGEventRef event = CGEventCreateMouseEvent(NULL, mouseTypeDown, currentPos, kCGMouseButtonLeft); /* Set event to double click. */ CGEventSetIntegerValueField(event, kCGMouseEventClickState, 2); CGEventPost(kCGHIDEventTap, event); CGEventSetType(event, mouseTypeUP); CGEventPost(kCGHIDEventTap, event); CFRelease(event); #else /* Double click for everything else. */ clickMouse(button); microsleep(200); clickMouse(button); #endif } void scrollMouse(int x, int y) { #if defined(IS_WINDOWS) // Fix for #97 https://github.com/octalmage/robotjs/issues/97, // C89 needs variables declared on top of functions (mouseScrollInput) INPUT mouseScrollInputs[2]; #endif /* Direction should only be considered based on the scrollDirection. This * Should not interfere. */ /* Set up the OS specific solution */ #if defined(__APPLE__) CGEventRef event; event = CGEventCreateScrollWheelEvent(NULL, kCGScrollEventUnitPixel, 2, y, x); CGEventPost(kCGHIDEventTap, event); CFRelease(event); #elif defined(USE_X11) /* X11 Mouse Button Numbering 1 = left button 2 = middle button (pressing the scroll wheel) 3 = right button 4 = turn scroll wheel up 5 = turn scroll wheel down 6 = push scroll wheel left 7 = push scroll wheel right 8 = 4th button (aka browser backward button) 9 = 5th button (aka browser forward button) */ int ydir = 4; // Button 4 is up, 5 is down. int xdir = 6; // Button 6 is left, 7 is right. Display *display = XGetMainDisplay(); if (display) { if (y < 0){ ydir = 5; } if (x < 0){ xdir = 7; } int xi; int yi; for (xi = 0; xi < abs(x); xi++) { XTestFakeButtonEvent(display, xdir, 1, CurrentTime); XTestFakeButtonEvent(display, xdir, 0, CurrentTime); } for (yi = 0; yi < abs(y); yi++) { XTestFakeButtonEvent(display, ydir, 1, CurrentTime); XTestFakeButtonEvent(display, ydir, 0, CurrentTime); } XFlush(display); } #elif defined(IS_WINDOWS) // Must send x first, otherwise we get stuck when scrolling on y axis mouseScrollInputs[0].type = INPUT_MOUSE; mouseScrollInputs[0].mi.dx = 0; mouseScrollInputs[0].mi.dy = 0; mouseScrollInputs[0].mi.dwFlags = MOUSEEVENTF_HWHEEL; mouseScrollInputs[0].mi.time = 0; mouseScrollInputs[0].mi.dwExtraInfo = 0; // Flip x to match other platforms. mouseScrollInputs[0].mi.mouseData = -x; mouseScrollInputs[1].type = INPUT_MOUSE; mouseScrollInputs[1].mi.dx = 0; mouseScrollInputs[1].mi.dy = 0; mouseScrollInputs[1].mi.dwFlags = MOUSEEVENTF_WHEEL; mouseScrollInputs[1].mi.time = 0; mouseScrollInputs[1].mi.dwExtraInfo = 0; mouseScrollInputs[1].mi.mouseData = y; SendInput(2, mouseScrollInputs, sizeof(INPUT)); #endif } /* * A crude, fast hypot() approximation to get around the fact that hypot() is * not a standard ANSI C function. * * It is not particularly accurate but that does not matter for our use case. * * Taken from this StackOverflow answer: * http://stackoverflow.com/questions/3506404/fast-hypotenuse-algorithm-for-embedded-processor#3507882 * */ static double crude_hypot(double x, double y) { double big = fabs(x); /* max(|x|, |y|) */ double small = fabs(y); /* min(|x|, |y|) */ if (big > small) { double temp = big; big = small; small = temp; } return ((M_SQRT2 - 1.0) * small) + big; } bool smoothlyMoveMouse(MMPoint endPoint,double speed) { MMSignedPoint pos = getMousePos(); MMSize screenSize = getMainDisplaySize(); double velo_x = 0.0, velo_y = 0.0; double distance; while ((distance = crude_hypot((double)pos.x - endPoint.x, (double)pos.y - endPoint.y)) > 1.0) { double gravity = DEADBEEF_UNIFORM(5.0, 500.0); double veloDistance; velo_x += (gravity * ((double)endPoint.x - pos.x)) / distance; velo_y += (gravity * ((double)endPoint.y - pos.y)) / distance; /* Normalize velocity to get a unit vector of length 1. */ veloDistance = crude_hypot(velo_x, velo_y); velo_x /= veloDistance; velo_y /= veloDistance; pos.x += floor(velo_x + 0.5); pos.y += floor(velo_y + 0.5); /* Make sure we are in the screen boundaries! * (Strange things will happen if we are not.) */ if (pos.x >= (int32_t)screenSize.width || pos.y >= (int32_t)screenSize.height) { return false; } moveMouse(pos); /* Wait 1 - (speed) milliseconds. */ microsleep(DEADBEEF_UNIFORM(0.7, speed)); } return true; }