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output_layout: improve docs

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Simon Ser 2020-04-15 12:25:09 +02:00 committed by Drew DeVault
parent f81aa6a172
commit 455a9bd0ef
1 changed files with 16 additions and 5 deletions
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21
include/wlr/types/wlr_output_layout.h
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@ -16,6 +16,14 @@
struct wlr_output_layout_state;
/**
* Helper to arrange outputs in a 2D coordinate space. The output effective
* resolution is used, see wlr_output_effective_resolution.
*
* Outputs added to the output layout are automatically exposed to clients (see
* wlr_output_create_global). They are no longer exposed when removed from the
* layout.
*/
struct wlr_output_layout {
struct wl_list outputs;
struct wlr_output_layout_state *state;
@ -42,11 +50,6 @@ struct wlr_output_layout_output {
} events;
};
/**
* Creates a wlr_output_layout, which can be used to describing outputs in
* physical space relative to one another, and perform various useful operations
* on that state.
*/
struct wlr_output_layout *wlr_output_layout_create(void);
void wlr_output_layout_destroy(struct wlr_output_layout *layout);
@ -54,9 +57,17 @@ void wlr_output_layout_destroy(struct wlr_output_layout *layout);
struct wlr_output_layout_output *wlr_output_layout_get(
struct wlr_output_layout *layout, struct wlr_output *reference);
/**
* Get the output at the specified layout coordinates. Returns NULL if no
* output matches the coordinates.
*/
struct wlr_output *wlr_output_layout_output_at(struct wlr_output_layout *layout,
double lx, double ly);
/**
* Add the output to the layout at the specified coordinates. If the output is
* already part of the output layout, this moves the output.
*/
void wlr_output_layout_add(struct wlr_output_layout *layout,
struct wlr_output *output, int lx, int ly);