/**
* Mouse interrupt Handler
*
* Receive and process Mouse IKBD packets.
*/
void Mouse_Handler(char * ikbd_packet)
{
/* The relative mouse position record is a three byte record of the form
(regardless of keyboard mode):
%111110xy ; mouse position record flag
; where y is the right button state
; and x is the left button state
X ; delta x as twos complement integer
Y ; delta y as twos complement integer
*/
s_mouse_x += (int)ikbd_packet[1];
s_mouse_y += (int)ikbd_packet[2];
if(s_mouse_x < s_mouse_x_min) {
s_mouse_x = s_mouse_x_min;
} else if(s_mouse_x > s_mouse_x_max) {
s_mouse_x = s_mouse_x_max;
}
if(s_mouse_y < s_mouse_y_min) {
s_mouse_y = s_mouse_y_min;
} else if(s_mouse_y > s_mouse_y_max) {
s_mouse_y = s_mouse_y_max;
}
#if 0
Mouse_EventHandler(s_mouse_x, s_mouse_y,
ikbd_packet[0]&2 /*left*/, ikbd_packet[0]&1 /*right*/);
#endif
s_mouse_left_btn = ikbd_packet[0]&2;
s_mouse_right_btn = ikbd_packet[0]&1;
s_mouse_state_changed = true;
}
/**
* Callback wrapper for mouse actions.
*/
static void Video_Mouse_Callback()
{
Mouse_EventHandler(s_mousePosX / SCREEN_MAGNIFICATION, s_mousePosY / SCREEN_MAGNIFICATION, s_mouseButtonLeft, s_mouseButtonRight);
}
