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Quick hack to get GfxTablet working with Gimp 2.8 on kernel 4.17

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This commit is contained in:
Tony Garnock-Jones 2018-08-16 14:14:41 +01:00
parent babd92a64c
commit 8c2421bc64
1 changed files with 49 additions and 18 deletions
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67
driver-uinput/networktablet.c
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@ -24,8 +24,6 @@ int udp_socket;
void init_device(int fd)
{
struct uinput_user_dev uidev;
// enable synchronization
if (ioctl(fd, UI_SET_EVBIT, EV_SYN) < 0)
die("error: ioctl UI_SET_EVBIT EV_SYN");
@ -52,23 +50,56 @@ void init_device(int fd)
if (ioctl(fd, UI_SET_ABSBIT, ABS_PRESSURE) < 0)
die("error: ioctl UI_SETEVBIT ABS_PRESSURE");
memset(&uidev, 0, sizeof(uidev));
snprintf(uidev.name, UINPUT_MAX_NAME_SIZE, "Network Tablet");
uidev.id.bustype = BUS_VIRTUAL;
uidev.id.vendor = 0x1;
uidev.id.product = 0x1;
uidev.id.version = 1;
uidev.absmin[ABS_X] = 0;
uidev.absmax[ABS_X] = UINT16_MAX;
uidev.absmin[ABS_Y] = 0;
uidev.absmax[ABS_Y] = UINT16_MAX;
uidev.absmin[ABS_PRESSURE] = 0;
uidev.absmax[ABS_PRESSURE] = INT16_MAX;
if (write(fd, &uidev, sizeof(uidev)) < 0)
die("error: write");
{
struct uinput_abs_setup abs_setup;
struct uinput_setup setup;
if (ioctl(fd, UI_DEV_CREATE) < 0)
die("error: ioctl");
memset(&abs_setup, 0, sizeof(abs_setup));
abs_setup.code = ABS_X;
abs_setup.absinfo.value = 0;
abs_setup.absinfo.minimum = 0;
abs_setup.absinfo.maximum = UINT16_MAX;
abs_setup.absinfo.fuzz = 0;
abs_setup.absinfo.flat = 0;
abs_setup.absinfo.resolution = 400;
if (ioctl(fd, UI_ABS_SETUP, &abs_setup) < 0)
die("error: UI_ABS_SETUP ABS_X");
memset(&abs_setup, 0, sizeof(abs_setup));
abs_setup.code = ABS_Y;
abs_setup.absinfo.value = 0;
abs_setup.absinfo.minimum = 0;
abs_setup.absinfo.maximum = UINT16_MAX;
abs_setup.absinfo.fuzz = 0;
abs_setup.absinfo.flat = 0;
abs_setup.absinfo.resolution = 400;
if (ioctl(fd, UI_ABS_SETUP, &abs_setup) < 0)
die("error: UI_ABS_SETUP ABS_Y");
memset(&abs_setup, 0, sizeof(abs_setup));
abs_setup.code = ABS_PRESSURE;
abs_setup.absinfo.value = 0;
abs_setup.absinfo.minimum = 0;
abs_setup.absinfo.maximum = INT16_MAX;
abs_setup.absinfo.fuzz = 0;
abs_setup.absinfo.flat = 0;
abs_setup.absinfo.resolution = 0;
if (ioctl(fd, UI_ABS_SETUP, &abs_setup) < 0)
die("error: UI_ABS_SETUP ABS_PRESSURE");
memset(&setup, 0, sizeof(setup));
snprintf(setup.name, UINPUT_MAX_NAME_SIZE, "Network Tablet");
setup.id.bustype = BUS_VIRTUAL;
setup.id.vendor = 0x1;
setup.id.product = 0x1;
setup.id.version = 2;
setup.ff_effects_max = 0;
if (ioctl(fd, UI_DEV_SETUP, &setup) < 0)
die("error: UI_DEV_SETUP");
if (ioctl(fd, UI_DEV_CREATE) < 0)
die("error: ioctl");
}
}
int prepare_socket()