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docs: clarify dde-shell surface lifetime on early wl_surface destroy #120

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docs: clarify dde-shell surface lifetime on early wl_surface destroy #120

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11 changes: 7 additions & 4 deletions dde/treeland-dde-shell-unstable-v2.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -80,10 +80,13 @@ SPDX-License-Identifier: MIT
buffer state; the client commits buffers with wl_surface
semantics as usual.

On the server side the object is automatically destroyed when
the related wl_surface is destroyed. On the client side,
treeland_dde_shell_surface_v2.destroy() must be called before
destroying the wl_surface object.
On the client side,
treeland_dde_shell_surface_v2.destroy() should be called
before destroying the wl_surface object.

If the client destroys the wl_surface first, the shell surface
object is kept until the client sends destroy() or disconnects;
requests sent to it in the meantime are ignored.

Positioning requests are mutually exclusive: set_position_hint
suggests fixed coordinates relative to an output, while
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