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Correct handling of mouse scrolling for osx

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Setup server to scroll 1 line at a time to match osx
scrolling speed.
This commit is contained in:
Joakim Plate 2013-09-22 00:07:27 +02:00
parent 11912497ea
commit 1c112474c6
1 changed files with 14 additions and 11 deletions
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25
client/Mac/MRDPView.m
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@ -486,20 +486,23 @@ DWORD mac_client_thread(void* param)
NSPoint loc = [event locationInWindow];
int x = (int) loc.x;
int y = (int) loc.y;
y = height - y;
flags = PTR_FLAGS_WHEEL;
if ([event deltaY] < 0)
flags |= PTR_FLAGS_WHEEL_NEGATIVE | 0x0088;
else
flags |= 0x0078;
x += (int) [event deltaX];
y += (int) [event deltaY];
instance->input->MouseEvent(instance->input, flags, x, y);
/* 1 event = 120 units */
int units = [event deltaY] * 120;
/* send out all accumulated rotations */
while(units != 0)
{
/* limit to maximum value in WheelRotationMask (9bit signed value) */
int step = MIN(MAX(-256, units), 255);
instance->input->MouseEvent(instance->input, flags | ((UINT16)step & WheelRotationMask), x, y);
units -= step;
}
}
/** *********************************************************************