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backend/drm: add support for suggested output position prop

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Virtualised outputs use the "suggested X" and "suggested Y" DRM props to
indicate their relative position on the host WM.

This change adds members `suggested_x` and `suggested_y` to `struct
wlr_output` which contain the value of these props. Also, a
`suggested_position` signal is added so that compositors can be notified
if there is a changed in the suggested position.
This commit is contained in:
Daniel Playfair Cal 2021-01-10 19:04:58 +11:00
parent a055f23b3b
commit 82f92113fd
6 changed files with 66 additions and 0 deletions
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7
include/wlr/interfaces/wlr_output.h
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@ -116,6 +116,13 @@ void wlr_output_update_custom_mode(struct wlr_output *output, int32_t width,
* to notify compositors about the change.
*/
void wlr_output_update_available_modes(struct wlr_output *output);
/**
* Update the output suggested position.
*
* The backend must call this function when the suggested position is updated
* to notify compositors about the change.
*/
void wlr_output_update_suggested_position (struct wlr_output *output);
/**
* Update the current output status.
*