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Merge pull request #1027 from alebastr/output-fixes

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Fix more issues with duplicated bars
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Alex 2021-02-09 11:17:16 +01:00 committed by GitHub
commit c5f875dc5f
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1 changed files with 17 additions and 8 deletions
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25
src/client.cpp
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@ -120,17 +120,26 @@ void waybar::Client::handleOutputDone(void *data, struct zxdg_output_v1 * /*xdg_
auto client = waybar::Client::inst();
try {
auto &output = client->getOutput(data);
spdlog::debug("Output detection done: {} ({})", output.name, output.identifier);
/**
* Multiple .done events may arrive in batch. In this case libwayland would queue
* xdg_output.destroy and dispatch all pending events, triggering this callback several times
* for the same output. .done events can also arrive after that for a scale or position changes.
* We wouldn't want to draw a duplicate bar for each such event either.
*
* All the properties we care about are immutable so it's safe to delete the xdg_output object
* on the first event and use the ptr value to check that the callback was already invoked.
*/
if (output.xdg_output) {
output.xdg_output.reset();
spdlog::debug("Output detection done: {} ({})", output.name, output.identifier);
auto configs = client->getOutputConfigs(output);
if (!configs.empty()) {
wl_display_roundtrip(client->wl_display);
for (const auto &config : configs) {
client->bars.emplace_back(std::make_unique<Bar>(&output, config));
auto configs = client->getOutputConfigs(output);
if (!configs.empty()) {
for (const auto &config : configs) {
client->bars.emplace_back(std::make_unique<Bar>(&output, config));
}
}
}
// unsubscribe
output.xdg_output.reset();
} catch (const std::exception &e) {
std::cerr << e.what() << std::endl;
}