subsurface: rename wlr_subsurface_state to wlr_subsurface_parent_state
Add a comment to explain the difference.
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@ -163,7 +163,12 @@ struct wlr_surface {
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} previous;
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};
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struct wlr_subsurface_state {
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/**
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* The sub-surface state describing the sub-surface's relationship with its
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* parent. Contrary to other states, this one is not applied on surface commit.
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* Instead, it's applied on parent surface commit.
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*/
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struct wlr_subsurface_parent_state {
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int32_t x, y;
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};
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@ -172,7 +177,7 @@ struct wlr_subsurface {
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struct wlr_surface *surface;
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struct wlr_surface *parent;
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struct wlr_subsurface_state current, pending;
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struct wlr_subsurface_parent_state current, pending;
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uint32_t cached_seq;
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bool has_cache;
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@ -1350,7 +1350,7 @@ static void surface_for_each_surface(struct wlr_surface *surface, int x, int y,
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wlr_surface_iterator_func_t iterator, void *user_data) {
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struct wlr_subsurface *subsurface;
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wl_list_for_each(subsurface, &surface->subsurfaces_below, parent_link) {
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struct wlr_subsurface_state *state = &subsurface->current;
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struct wlr_subsurface_parent_state *state = &subsurface->current;
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int sx = state->x;
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int sy = state->y;
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@ -1361,7 +1361,7 @@ static void surface_for_each_surface(struct wlr_surface *surface, int x, int y,
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iterator(surface, x, y, user_data);
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wl_list_for_each(subsurface, &surface->subsurfaces_above, parent_link) {
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struct wlr_subsurface_state *state = &subsurface->current;
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struct wlr_subsurface_parent_state *state = &subsurface->current;
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int sx = state->x;
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int sy = state->y;
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