void mouse_got_focus()
{
if ( !mouse_inited ) return;
Mouse_in_focus = true;
mouse_flush();
}
void mouse_lost_focus()
{
if ( !mouse_inited ) return;
Mouse_in_focus = false;
mouse_flush();
}
//--------------------------------------------------------
// returns 0 if no mouse
// else number of buttons
int mouse_init(int enable_cyberman)
{
dpmi_real_regs rr;
cyberman_info *ci;
struct SREGS sregs;
union REGS inregs, outregs;
ubyte *Mouse_dos_mem;
if (Mouse_installed)
return Mouse.num_buttons;
if (_dos_getvect(0x33) == NULL) {
// No mouse driver loaded
return 0;
}
// Reset the mouse driver
memset( &inregs, 0, sizeof(inregs) );
inregs.w.ax = 0;
int386(0x33, &inregs, &outregs);
if (outregs.w.ax != 0xffff)
return 0;
Mouse.num_buttons = outregs.w.bx;
Mouse.cyberman = 0;
// Enable mouse driver
memset( &inregs, 0, sizeof(inregs) );
inregs.w.ax = 0x0020;
int386(0x33, &inregs, &outregs);
if (outregs.w.ax != 0xffff )
return 0;
if ( enable_cyberman ) {
Mouse_dos_mem = dpmi_get_temp_low_buffer( 64 );
if (Mouse_dos_mem==NULL) {
printf( "Unable to allocate DOS buffer in mouse.c\n" );
} else {
// Check for Cyberman...
memset( &rr, 0, sizeof(dpmi_real_regs) );
rr.es = DPMI_real_segment(Mouse_dos_mem);
rr.edx = DPMI_real_offset(Mouse_dos_mem);
rr.eax = 0x53c1;
dpmi_real_int386x( 0x33, &rr );
if (rr.eax==1) {
// SWIFT functions supported
ci = (cyberman_info *)Mouse_dos_mem;
if (ci->device_type==1) { // Cyberman
Mouse.cyberman = 1;
//printf( "Cyberman mouse detected\n" );
Mouse.num_buttons = 11;
}
}
}
}
if (!dpmi_lock_region(&Mouse,sizeof(mouse_info))) {
Error( "Unable to lock mouse data region" );
}
if (!dpmi_lock_region((void near *)mouse_handler,(char *)mouse_handler_end - (char near *)mouse_handler)) {
Error( "Unable to lock mouse handler" );
}
// Install mouse handler
memset( &inregs, 0, sizeof(inregs));
memset( &sregs, 0, sizeof(sregs));
inregs.w.ax = 0xC;
inregs.w.cx = ME_LB_P|ME_LB_R|ME_RB_P|ME_RB_R|ME_MB_P|ME_MB_R; // watch all 3 button ups/downs
if (Mouse.cyberman)
inregs.w.cx |= ME_Z_C| ME_P_C| ME_B_C| ME_H_C; // if using a cyberman, also watch z, pitch, bank, heading.
inregs.x.edx = FP_OFF(mouse_handler);
sregs.es = FP_SEG(mouse_handler);
int386x(0x33, &inregs, &outregs, &sregs);
Mouse_installed = 1;
atexit( mouse_close );
mouse_flush();
return Mouse.num_buttons;
}
