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wlr-seat: add guards for no pointer resource

This commit is contained in:
Tony Crisci 2017-09-22 09:29:17 -04:00
parent 8cb49f4d68
commit 00cc20b0a8
1 changed files with 9 additions and 6 deletions
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15
types/wlr_seat.c
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@ -260,6 +260,11 @@ static void handle_pointer_focus_resource_destroyed(
wlr_seat_pointer_clear_focus(state->wlr_seat);
}
static bool wlr_seat_pointer_has_focus_resource(struct wlr_seat *wlr_seat) {
return wlr_seat->pointer_state.focused_handle &&
wlr_seat->pointer_state.focused_handle->pointer;
}
void wlr_seat_pointer_enter(struct wlr_seat *wlr_seat,
struct wlr_surface *surface, double sx, double sy) {
assert(wlr_seat);
@ -282,7 +287,7 @@ void wlr_seat_pointer_enter(struct wlr_seat *wlr_seat,
wlr_seat->pointer_state.focused_surface;
// leave the previously entered surface
if (focused_handle && focused_surface) {
if (focused_handle && focused_handle->pointer && focused_surface) {
uint32_t serial = wl_display_next_serial(wlr_seat->display);
wl_pointer_send_leave(focused_handle->pointer, serial,
focused_surface->resource);
@ -290,7 +295,7 @@ void wlr_seat_pointer_enter(struct wlr_seat *wlr_seat,
}
// enter the current surface
if (handle) {
if (handle && handle->pointer) {
uint32_t serial = wl_display_next_serial(wlr_seat->display);
wl_pointer_send_enter(handle->pointer, serial, surface->resource,
wl_fixed_from_double(sx), wl_fixed_from_double(sy));
@ -327,8 +332,7 @@ void wlr_seat_pointer_clear_focus(struct wlr_seat *wlr_seat) {
void wlr_seat_pointer_send_motion(struct wlr_seat *wlr_seat, uint32_t time,
double sx, double sy) {
if (!wlr_seat->pointer_state.focused_handle) {
// nobody to send the event to
if (!wlr_seat_pointer_has_focus_resource(wlr_seat)) {
return;
}
@ -339,8 +343,7 @@ void wlr_seat_pointer_send_motion(struct wlr_seat *wlr_seat, uint32_t time,
void wlr_seat_pointer_send_button(struct wlr_seat *wlr_seat, uint32_t time,
uint32_t button, uint32_t state) {
if (!wlr_seat->pointer_state.focused_handle) {
// nobody to send the event to
if (!wlr_seat_pointer_has_focus_resource(wlr_seat)) {
return;
}