qt: avoid spurious emits
commitd8680fb85edc8a3e97d6b4ff9eed1338e2c1d8f6
authorRomain Vimont <rom1v@videolabs.io>
Thu, 2 May 2019 09:17:14 +0000 (2 11:17 +0200)
committerThomas Guillem <thomas@gllm.fr>
Fri, 3 May 2019 07:52:31 +0000 (3 09:52 +0200)
treeb655d62f50575011ddc112cb3b3a738bcb09dd39
parent50c0fa5d65c2ad805b3295e21b118c4c9a8669b2
qt: avoid spurious emits

In Qt, on capability changes, a signal was emitted for all capabilities
regardless of whether they actually changed.

Instead, only emit a signal for capabilities which changed.

Signed-off-by: Thomas Guillem <thomas@gllm.fr>
modules/gui/qt/components/player_controller.cpp