From 89fd5de8311dace5c8c1ba3fb64115f1955687d4 Mon Sep 17 00:00:00 2001 From: Marcus Fritzsch Date: Tue, 1 Aug 2017 16:14:12 +0200 Subject: [PATCH] layer: document intentions of layer structure Signed-off-by: Marcus Fritzsch --- src/layers.hpp | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/src/layers.hpp b/src/layers.hpp index 4291425..a3cb2a9 100644 --- a/src/layers.hpp +++ b/src/layers.hpp @@ -15,11 +15,21 @@ namespace wm { struct surface_id_to_layer { + // Min and max surface ID mapped to this layer int id_min = -1; int id_max = -1; + // A more or less descriptive name? std::string name = ""; + // The actual layer ID int layer_id = -1; + // The rectangular region surfaces are allowed to draw on + // this layer, note however, width and hieght of the rect + // can be negative, in which case they specify that + // the actual value is computed using MAX + 1 - w + // That is; allow us to specify dimensions dependent on + // e.g. screen dimension, w/o knowing the actual screen size. genivi::rect rect; + // XXX perhaps a zorder is needed here? explicit surface_id_to_layer(nlohmann::json const &j); -- 2.16.6