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dinput: Limit number of axes in a different way - map all extra axes to -1. 

We can't stop device from sending us extra axes so have to keep axes mapping
around for them.
This commit is contained in:
Vitaliy Margolen 2008-05-03 14:19:57 -06:00 committed by Alexandre Julliard
parent b07ff6ec86
commit bdbc2783a1
1 changed files with 47 additions and 55 deletions
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102
dlls/dinput/joystick_linux.c
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@ -289,70 +289,65 @@ static HRESULT setup_dinput_options(JoystickImpl * device)
if (!device->axis_map) return DIERR_OUTOFMEMORY;
if (!get_config_key( hkey, appkey, device->name, buffer, MAX_PATH )) {
static const char *axis_names[] = {"X", "Y", "Z", "Rx", "Ry", "Rz",
"Slider1", "Slider2",
"POV1", "POV2", "POV3", "POV4"};
const char *delim = ",";
char * ptr;
TRACE("\"%s\" = \"%s\"\n", device->name, buffer);
if ((ptr = strtok(buffer, delim)) != NULL) {
do {
if (strcmp(ptr, "X") == 0) {
device->axis_map[tokens] = 0;
axis++;
} else if (strcmp(ptr, "Y") == 0) {
device->axis_map[tokens] = 1;
axis++;
} else if (strcmp(ptr, "Z") == 0) {
device->axis_map[tokens] = 2;
axis++;
} else if (strcmp(ptr, "Rx") == 0) {
device->axis_map[tokens] = 3;
axis++;
} else if (strcmp(ptr, "Ry") == 0) {
device->axis_map[tokens] = 4;
axis++;
} else if (strcmp(ptr, "Rz") == 0) {
device->axis_map[tokens] = 5;
axis++;
} else if (strcmp(ptr, "Slider1") == 0) {
device->axis_map[tokens] = 6;
axis++;
} else if (strcmp(ptr, "Slider2") == 0) {
device->axis_map[tokens] = 7;
axis++;
} else if (strcmp(ptr, "POV1") == 0) {
device->axis_map[tokens++] = 8;
device->axis_map[tokens] = 8;
pov++;
} else if (strcmp(ptr, "POV2") == 0) {
device->axis_map[tokens++] = 9;
device->axis_map[tokens] = 9;
pov++;
} else if (strcmp(ptr, "POV3") == 0) {
device->axis_map[tokens++] = 10;
device->axis_map[tokens] = 10;
pov++;
} else if (strcmp(ptr, "POV4") == 0) {
device->axis_map[tokens++] = 11;
device->axis_map[tokens] = 11;
pov++;
} else {
ERR("invalid joystick axis type: %s\n", ptr);
device->axis_map[tokens] = tokens;
axis++;
int i;
for (i = 0; i < sizeof(axis_names) / sizeof(axis_names[0]); i++)
if (!strcmp(ptr, axis_names[i]))
{
if (!strncmp(ptr, "POV", 3))
{
if (pov >= 4)
{
WARN("Only 4 POVs supported - ignoring extra\n");
i = -1;
}
else
{
/* Pov takes two axes */
device->axis_map[tokens++] = i;
pov++;
}
}
else
{
if (axis >= 8)
{
FIXME("Only 8 Axes supported - ignoring extra\n");
i = -1;
}
else
axis++;
}
break;
}
if (i == sizeof(axis_names) / sizeof(axis_names[0]))
{
ERR("invalid joystick axis type: \"%s\"\n", ptr);
i = -1;
}
device->axis_map[tokens] = i;
tokens++;
} while ((ptr = strtok(NULL, delim)) != NULL);
if (tokens != device->devcaps.dwAxes) {
if (tokens != device->axes) {
ERR("not all joystick axes mapped: %d axes(%d,%d), %d arguments\n", device->axes, axis, pov,tokens);
while (tokens < device->axes) {
device->axis_map[tokens] = tokens;
device->axis_map[tokens] = -1;
tokens++;
}
}
}
}
else
{
@ -360,11 +355,13 @@ static HRESULT setup_dinput_options(JoystickImpl * device)
{
if (tokens < 8)
device->axis_map[tokens] = axis++;
else
else if (tokens < 16)
{
device->axis_map[tokens++] = 8 + pov;
device->axis_map[tokens ] = 8 + pov++;
}
else
device->axis_map[tokens] = -1;
}
}
device->devcaps.dwAxes = axis;
@ -433,13 +430,6 @@ static HRESULT alloc_device(REFGUID rguid, const void *jvt, IDirectInputImpl *di
}
#endif
if (newDevice->axes > 16)
{
/* There are 24 more axes for velocity that we can use */
FIXME("Can't support %d axes. Clamping down to 16\n", newDevice->axes);
newDevice->axes = 16;
}
if (newDevice->devcaps.dwButtons > 128)
{
WARN("Can't support %d buttons. Clamping down to 128\n", newDevice->devcaps.dwButtons);
@ -472,6 +462,8 @@ static HRESULT alloc_device(REFGUID rguid, const void *jvt, IDirectInputImpl *di
{
int wine_obj = newDevice->axis_map[i];
if (wine_obj < 0) continue;
memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[wine_obj], df->dwObjSize);
if (wine_obj < 8)
df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(wine_obj) | DIDFT_ABSAXIS;