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moveMouse refactor to use sendInput on Windows (#26) #82

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Merged
merged 8 commits into from
Oct 10, 2021
Merged

moveMouse refactor to use sendInput on Windows (#26) #82

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6aadc5a
Add Helper Methods for calculating the required absolute position on …
Reiss-Cashmore Oct 10, 2021
5cf4c8f
Refactor moveMouse to use SendInput for absolute position movements o…
Reiss-Cashmore Oct 10, 2021
d3634ba
Indentation
Reiss-Cashmore Oct 10, 2021
b3e18e4
Add Coord constant
Reiss-Cashmore Oct 10, 2021
e4a8b4f
Squash x and y coord methods
Reiss-Cashmore Oct 10, 2021
097c254
Call coord calculator with MMPoint
Reiss-Cashmore Oct 10, 2021
4ebf808
Correct Types and Return values
Reiss-Cashmore Oct 10, 2021
ea13e11
Import for getMainDisplaySize
Reiss-Cashmore Oct 10, 2021
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29 changes: 26 additions & 3 deletions src/win32/mouse.c
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
#include "../mouse.h"
#include "../screen.h"
#include "../microsleep.h"

#include <math.h> /* For floor() */
Expand All @@ -7,6 +8,15 @@
#define M_SQRT2 1.4142135623730950488016887 /* Fix for MSVC. */
#endif

/**
* This constant is required as Windows divides the entire
* screen space into 65536 segments in both X and Y axes
* irrespective of resolution
* https://docs.microsoft.com/en-us/windows/win32/api/winuser/ns-winuser-mouseinput#remarks
*/
#define ABSOLUTE_COORD_CONST 65536


#define MMMouseToMEventF(down, button) \
(down ? MMMouseDownToMEventF(button) : MMMouseUpToMEventF(button))

Expand All @@ -20,13 +30,26 @@
: ((button) == RIGHT_BUTTON ? MOUSEEVENTF_RIGHTDOWN \
: MOUSEEVENTF_MIDDLEDOWN))

MMPoint CalculateAbsoluteCoordinates(MMPoint point) {
MMSize displaySize = getMainDisplaySize();
return MMPointMake((point.x / displaySize.width) * ABSOLUTE_COORD_CONST, (point.y / displaySize.height) * ABSOLUTE_COORD_CONST);
}

/**
* Move the mouse to a specific point.
* @param point The coordinates to move the mouse to (x, y).
*/
void moveMouse(MMPoint point)
{
SetCursorPos ((int)point.x, (int)point.y);
void moveMouse(MMPoint point) {
INPUT mouseInput;
MMPoint pointAbsolute = CalculateAbsoluteCoordinates(point);
mouseInput.type = INPUT_MOUSE;
mouseInput.mi.dx = pointAbsolute.x;
mouseInput.mi.dy = pointAbsolute.y;
mouseInput.mi.mouseData = 0;
mouseInput.mi.time = 0;
mouseInput.mi.dwFlags = MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE;
mouseInput.mi.dwExtraInfo = 0;
SendInput(1, & mouseInput, sizeof(mouseInput));
}

void dragMouse(MMPoint point, const MMMouseButton button)
Expand Down