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Allow mouse to be locked when grabbed with GEM driver

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pmandin committed Sep 12, 2006
1 parent cc66b93 commit 63e2dff35cb53681a2ed20b313ca5ee573197522
@@ -49,7 +49,8 @@ void SDL_AtariXbios_InstallVectors(int vectors_mask)
void *oldpile;

/* Clear variables */
SDL_AtariXbios_mouseb =
SDL_AtariXbios_mouselock =
SDL_AtariXbios_mouseb =
SDL_AtariXbios_mousex =
SDL_AtariXbios_mousey =
SDL_AtariXbios_joystick =
@@ -146,3 +147,8 @@ void SDL_AtariXbios_PostMouseEvents(_THIS, SDL_bool buttonEvents)
atari_prevmouseb = SDL_AtariXbios_mouseb;
}
}

void SDL_AtariXbios_LockMousePosition(SDL_bool lockPosition)
{
SDL_AtariXbios_mouselock = lockPosition;
}
@@ -43,5 +43,6 @@ extern int SDL_AtariXbios_enabled;
extern void SDL_AtariXbios_InstallVectors(int vectors_mask);
extern void SDL_AtariXbios_RestoreVectors(void);
extern void SDL_AtariXbios_PostMouseEvents(_THIS, SDL_bool buttonEvents);
extern void SDL_AtariXbios_LockMousePosition(SDL_bool lockPosition);

#endif /* _SDL_XBIOSEVENTS_H_ */
@@ -33,6 +33,7 @@
.globl _SDL_AtariXbios_MouseVector
.globl _SDL_AtariXbios_JoystickVector

.globl _SDL_AtariXbios_mouselock
.globl _SDL_AtariXbios_mouseb
.globl _SDL_AtariXbios_mousex
.globl _SDL_AtariXbios_mousey
@@ -125,6 +126,13 @@ _SDL_AtariXbios_MouseVector:
extw d0
addw d0,_SDL_AtariXbios_mousey

/* Lock mouse position ? */
tstw _SDL_AtariXbios_mouselock
beq.s no_mouse_lock
clrb a0@(1)
clrb a0@(2)
no_mouse_lock:

/* Jump through old vector */
movel sp@+,d0

@@ -133,10 +141,9 @@ _SDL_AtariXbios_MouseVector:

.data
.even
.comm _SDL_AtariXbios_mouselock,2*1
.comm _SDL_AtariXbios_mousex,2*1
.even
.comm _SDL_AtariXbios_mousey,2*1
.even
.comm _SDL_AtariXbios_mouseb,2*1

/*--- Our joystick vector ---*/
@@ -36,6 +36,7 @@

/* Variables */

extern volatile Uint16 SDL_AtariXbios_mouselock; /* mouse lock position */
extern volatile Uint16 SDL_AtariXbios_mouseb; /* buttons */
extern volatile Sint16 SDL_AtariXbios_mousex; /* X relative motion */
extern volatile Sint16 SDL_AtariXbios_mousey; /* Y relative motion */

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