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OS X mouse hack, must remove when SDL adds it internally.

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Please see bugzilla case:
http://bugzilla.icculus.org/show_bug.cgi?id=3206
and
http://bugzilla.libsdl.org/show_bug.cgi?id=445
This commit is contained in:
Zachary Slater 2007-07-09 01:06:18 +00:00
parent 20e71c7dff
commit 3d70f2ccff
2 changed files with 84 additions and 1 deletions
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2
Makefile
View file

@ -393,7 +393,7 @@ ifeq ($(PLATFORM),darwin)
# the file has been modified by each build.
LIBSDLMAIN=$(B)/libSDLmain.a
LIBSDLMAINSRC=$(LIBSDIR)/macosx/libSDLmain.a
CLIENT_LDFLAGS += -framework Cocoa -framework OpenGL \
CLIENT_LDFLAGS += -framework Cocoa -framework IOKit -framework OpenGL \
$(LIBSDIR)/macosx/libSDL-1.2.0.dylib
else
# !!! FIXME: frameworks: OpenGL, Carbon, etc...

83
code/unix/sdl_glimp.c
View file

@ -83,6 +83,9 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
/* Just hack it for now. */
#ifdef MACOS_X
#include <IOKit/hidsystem/IOHIDLib.h>
#include <IOKit/hidsystem/IOHIDParameter.h>
#include <drivers/event_status_driver.h>
typedef CGLContextObj QGLContext;
#define GLimp_GetCurrentContext() CGLGetCurrentContext()
#define GLimp_SetCurrentContext(ctx) CGLSetCurrentContext(ctx)
@ -116,6 +119,8 @@ static qboolean mouse_active = qfalse;
static qboolean sdlrepeatenabled = qfalse;
static cvar_t *in_mouse;
static cvar_t *in_disablemacosxmouseaccel;
static double originalMouseSpeed = -1.0;
cvar_t *in_subframe;
cvar_t *in_nograb; // this is strictly for developers
@ -432,11 +437,69 @@ void KBD_Close(void)
{
}
#ifdef MACOS_X
io_connect_t IN_GetIOHandle() // mac os x mouse accel hack
{
io_connect_t iohandle = MACH_PORT_NULL;
kern_return_t status;
io_service_t iohidsystem = MACH_PORT_NULL;
mach_port_t masterport;
status = IOMasterPort(MACH_PORT_NULL, &masterport);
if(status != KERN_SUCCESS)
return 0;
iohidsystem = IORegistryEntryFromPath(masterport, kIOServicePlane ":/IOResources/IOHIDSystem");
if(!iohidsystem)
return 0;
status = IOServiceOpen(iohidsystem, mach_task_self(), kIOHIDParamConnectType, &iohandle);
IOObjectRelease(iohidsystem);
return iohandle;
}
#endif
void IN_ActivateMouse( void )
{
if (!mouse_avail || !screen)
return;
#ifdef MACOS_X
if (!mouse_active && mouse_avail) // mac os x mouse accel hack
{
// Save the status of mouse acceleration
originalMouseSpeed = -1.0; // in case of error
if(in_disablemacosxmouseaccel->integer)
{
io_connect_t mouseDev = IN_GetIOHandle();
if(mouseDev != 0)
{
if(IOHIDGetAccelerationWithKey(mouseDev, CFSTR(kIOHIDMouseAccelerationType), &originalMouseSpeed) == kIOReturnSuccess)
{
Com_Printf("previous mouse acceleration: %f\n", originalMouseSpeed);
if(IOHIDSetAccelerationWithKey(mouseDev, CFSTR(kIOHIDMouseAccelerationType), -1.0) != kIOReturnSuccess)
{
Com_Printf("Could not disable mouse acceleration (failed at IOHIDSetAccelerationWithKey).\n");
Cvar_Set ("in_disablemacosxmouseaccel", 0);
}
}
else
{
Com_Printf("Could not disable mouse acceleration (failed at IOHIDGetAccelerationWithKey).\n");
Cvar_Set ("in_disablemacosxmouseaccel", 0);
}
IOServiceClose(mouseDev);
}
else
{
Com_Printf("Could not disable mouse acceleration (failed at IO_GetIOHandle).\n");
Cvar_Set ("in_disablemacosxmouseaccel", 0);
}
}
}
#endif
if (!mouse_active)
{
if (!in_nograb->value)
@ -449,6 +512,25 @@ void IN_DeactivateMouse( void )
{
if (!mouse_avail || !screen)
return;
#ifdef MACOS_X
if (mouse_active) // mac os x mouse accel hack
{
if(originalMouseSpeed != -1.0)
{
io_connect_t mouseDev = IN_GetIOHandle();
if(mouseDev != 0)
{
Com_Printf("restoring mouse acceleration to: %f\n", originalMouseSpeed);
if(IOHIDSetAccelerationWithKey(mouseDev, CFSTR(kIOHIDMouseAccelerationType), originalMouseSpeed) != kIOReturnSuccess)
Com_Printf("Could not re-enable mouse acceleration (failed at IOHIDSetAccelerationWithKey).\n");
IOServiceClose(mouseDev);
}
else
Com_Printf("Could not re-enable mouse acceleration (failed at IO_GetIOHandle).\n");
}
}
#endif
if (mouse_active)
{
@ -1357,6 +1439,7 @@ void IN_Init(void) {
Com_Printf ("\n------- Input Initialization -------\n");
// mouse variables
in_mouse = Cvar_Get ("in_mouse", "1", CVAR_ARCHIVE);
in_disablemacosxmouseaccel = Cvar_Get ("in_disablemacosxmouseaccel", "1", CVAR_ARCHIVE);
// turn on-off sub-frame timing of X events
in_subframe = Cvar_Get ("in_subframe", "1", CVAR_ARCHIVE);