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Applied a patch by BiPolar, which fixes the second wheel handling (can't test as I don't have a two wheeled mouse).

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9298 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stefano Ceccherini 2004-10-12 10:00:48 +00:00
parent 6a2b2afab3
commit 5a745a2134
1 changed files with 6 additions and 8 deletions
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14
src/add-ons/kernel/drivers/arch/x86/ps2mouse/ps2mouse.c
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@ -323,14 +323,12 @@ ps2_packet_to_movement(uint8 packet[], mouse_movement *pos)
sButtonsState = buttons;
if (sPacketSize == PS2_PACKET_INTELLIMOUSE) {
wheel_ydelta = ((packet[3] & 0x8) ? 0xFF : 0) | (packet[3] & 0x7);
// Two wheeled mice use this nice trick:
// they report -2 or +2 when the second wheel moved
if (wheel_ydelta == -2 || wheel_ydelta == 2) {
wheel_xdelta = wheel_ydelta;
wheel_ydelta = 0;
}
switch (packet[3] & 0x0F) {
case 0x01: wheel_ydelta = +1; break; // wheel 1 down
case 0x0F: wheel_ydelta = -1; break; // wheel 1 up
case 0x02: wheel_xdelta = +1; break; // wheel 2 down
case 0x0E: wheel_xdelta = -1; break; // wheel 2 up
}
}
if (pos) {