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wlr_cursor: add wlr_cursor_is_input_device_attached to wlr_cursor

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This commit is contained in:
Geoffrey Casper 2020-09-17 13:16:32 -04:00 • committed by Geo25rey
parent 8ad2cc39eb
commit a77b9b38f4
2 changed files with 23 additions and 5 deletions
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7
include/wlr/types/wlr_cursor.h
View file

@ -150,6 +150,13 @@ void wlr_cursor_set_image(struct wlr_cursor *cur, const uint8_t *pixels,
void wlr_cursor_set_surface(struct wlr_cursor *cur, struct wlr_surface *surface,
int32_t hotspot_x, int32_t hotspot_y);
/**
* Returns true when the input device, dev, is attached to the cursor, cur,
* by the wlr_cursor_attach_input_device function.
*/
bool wlr_cursor_is_input_device_attached(struct wlr_cursor *cur,
struct wlr_input_device *dev);
/**
* Attaches this input device to this cursor. The input device must be one of:
*

21
types/wlr_cursor.c
View file

@ -682,6 +682,20 @@ static struct wlr_cursor_device *cursor_device_create(
return c_device;
}
bool wlr_cursor_is_input_device_attached(struct wlr_cursor *cur,
struct wlr_input_device *dev) {
if (!cur || !dev) {
return false;
}
struct wlr_cursor_device *_dev;
wl_list_for_each(_dev, &cur->state->devices, link) {
if (_dev->device == dev) {
return true;
}
}
return false;
}
void wlr_cursor_attach_input_device(struct wlr_cursor *cur,
struct wlr_input_device *dev) {
if (dev->type != WLR_INPUT_DEVICE_POINTER &&
@ -693,11 +707,8 @@ void wlr_cursor_attach_input_device(struct wlr_cursor *cur,
}
// make sure it is not already attached
struct wlr_cursor_device *_dev;
wl_list_for_each(_dev, &cur->state->devices, link) {
if (_dev->device == dev) {
return;
}
if (wlr_cursor_is_input_device_attached(cur, dev)) {
return;
}
cursor_device_create(cur, dev);