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Diffstat (limited to 'ui')
-rw-r--r--ui/input-linux.c25
1 files changed, 24 insertions, 1 deletions
diff --git a/ui/input-linux.c b/ui/input-linux.c
index dc0613ca1f..49d52a69cc 100644
--- a/ui/input-linux.c
+++ b/ui/input-linux.c
@@ -169,6 +169,10 @@ struct InputLinux {
bool has_abs_x;
int num_keys;
int num_btns;
+ int abs_x_min;
+ int abs_x_max;
+ int abs_y_min;
+ int abs_y_max;
struct input_event event;
int read_offset;
@@ -314,6 +318,18 @@ static void input_linux_handle_mouse(InputLinux *il, struct input_event *event)
break;
}
break;
+ case EV_ABS:
+ switch (event->code) {
+ case ABS_X:
+ qemu_input_queue_abs(NULL, INPUT_AXIS_X, event->value,
+ il->abs_x_min, il->abs_x_max);
+ break;
+ case ABS_Y:
+ qemu_input_queue_abs(NULL, INPUT_AXIS_Y, event->value,
+ il->abs_y_min, il->abs_y_max);
+ break;
+ }
+ break;
case EV_SYN:
qemu_input_event_sync();
if (il->wheel != 0) {
@@ -351,7 +367,7 @@ static void input_linux_event(void *opaque)
if (il->num_keys) {
input_linux_handle_keyboard(il, &il->event);
}
- if (il->has_rel_x && il->num_btns) {
+ if ((il->has_rel_x || il->has_abs_x) && il->num_btns) {
input_linux_handle_mouse(il, &il->event);
}
}
@@ -364,6 +380,7 @@ static void input_linux_complete(UserCreatable *uc, Error **errp)
uint8_t keymap[KEY_CNT / 8], keystate[KEY_CNT / 8];
unsigned int i;
int rc, ver;
+ struct input_absinfo absinfo;
if (!il->evdev) {
error_setg(errp, "no input device specified");
@@ -402,6 +419,12 @@ static void input_linux_complete(UserCreatable *uc, Error **errp)
rc = ioctl(il->fd, EVIOCGBIT(EV_ABS, sizeof(absmap)), &absmap);
if (absmap & (1 << ABS_X)) {
il->has_abs_x = true;
+ rc = ioctl(il->fd, EVIOCGABS(ABS_X), &absinfo);
+ il->abs_x_min = absinfo.minimum;
+ il->abs_x_max = absinfo.maximum;
+ rc = ioctl(il->fd, EVIOCGABS(ABS_Y), &absinfo);
+ il->abs_y_min = absinfo.minimum;
+ il->abs_y_max = absinfo.maximum;
}
}