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Kernel: Add horizontal mouse scroll support

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This commit is contained in:
Dmitry Petrov 2021-12-13 23:12:01 +01:00 • committed by Andreas Kling
parent 1afb6d5eca
commit d61cc47055
5 changed files with 30 additions and 5 deletions
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14
Kernel/Devices/VMWareBackdoor.cpp
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@ -211,16 +211,28 @@ MousePacket VMWareBackdoor::receive_mouse_packet()
int x = command.bx;
int y = command.cx;
int z = static_cast<i8>(command.dx); // signed 8 bit value only!
int w = 0;
// horizontal scroll is reported as +-2 by qemu
// FIXME: Scroll only functions correctly when the sign is flipped there
if (z == 2) {
w = -1;
z = 0;
} else if (z == -2) {
w = 1;
z = 0;
}
if constexpr (PS2MOUSE_DEBUG) {
dbgln("Absolute Mouse: Buttons {:x}", buttons);
dbgln("Mouse: x={}, y={}, z={}", x, y, z);
dbgln("Mouse: x={}, y={}, z={}, w={}", x, y, z, w);
}
MousePacket packet;
packet.x = x;
packet.y = y;
packet.z = z;
packet.w = w;
if (buttons & VMMOUSE_LEFT_CLICK)
packet.buttons |= MousePacket::LeftButton;
if (buttons & VMMOUSE_RIGHT_CLICK)