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fix: some crashes

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This commit is contained in:
Alex
2026-02-24 00:49:03 +01:00
parent a32413a74f
commit ef3d55980e
40 changed files with 216 additions and 103 deletions
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2
src/modules/cava/cava_backend.cpp
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@ -218,7 +218,7 @@ void waybar::modules::cava::CavaBackend::loadConfig() {
prm_.input = ::cava::input_method_by_name(config_["method"].asString().c_str());
if (config_["source"].isString()) {
if (prm_.audio_source) free(prm_.audio_source);
prm_.audio_source = config_["source"].asString().data();
prm_.audio_source = strdup(config_["source"].asString().c_str());
}
if (config_["sample_rate"].isNumeric()) prm_.samplerate = config_["sample_rate"].asLargestInt();
if (config_["sample_bits"].isInt()) prm_.samplebits = config_["sample_bits"].asInt();

2
src/modules/cffi.cpp
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@ -35,7 +35,7 @@ CFFI::CFFI(const std::string& name, const std::string& id, const Json::Value& co
throw std::runtime_error{std::string{"Missing wbcffi_init function: "} + dlerror()};
}
hooks_.deinit = reinterpret_cast<DenitFn*>(dlsym(handle, "wbcffi_deinit"));
if (!hooks_.init) {
if (!hooks_.deinit) {
throw std::runtime_error{std::string{"Missing wbcffi_deinit function: "} + dlerror()};
}
// Optional functions

10
src/modules/cpu.cpp
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@ -46,12 +46,14 @@ auto waybar::modules::Cpu::update() -> void {
store.push_back(fmt::arg("max_frequency", max_frequency));
store.push_back(fmt::arg("min_frequency", min_frequency));
store.push_back(fmt::arg("avg_frequency", avg_frequency));
std::vector<std::string> arg_names;
arg_names.reserve(cpu_usage.size() * 2);
for (size_t i = 1; i < cpu_usage.size(); ++i) {
auto core_i = i - 1;
auto core_format = fmt::format("usage{}", core_i);
store.push_back(fmt::arg(core_format.c_str(), cpu_usage[i]));
auto icon_format = fmt::format("icon{}", core_i);
store.push_back(fmt::arg(icon_format.c_str(), getIcon(cpu_usage[i], icons)));
arg_names.push_back(fmt::format("usage{}", core_i));
store.push_back(fmt::arg(arg_names.back().c_str(), cpu_usage[i]));
arg_names.push_back(fmt::format("icon{}", core_i));
store.push_back(fmt::arg(arg_names.back().c_str(), getIcon(cpu_usage[i], icons)));
}
label_.set_markup(fmt::vformat(format, store));

14
src/modules/cpu_usage/common.cpp
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@ -36,12 +36,14 @@ auto waybar::modules::CpuUsage::update() -> void {
fmt::dynamic_format_arg_store<fmt::format_context> store;
store.push_back(fmt::arg("usage", total_usage));
store.push_back(fmt::arg("icon", getIcon(total_usage, icons)));
std::vector<std::string> arg_names;
arg_names.reserve(cpu_usage.size() * 2);
for (size_t i = 1; i < cpu_usage.size(); ++i) {
auto core_i = i - 1;
auto core_format = fmt::format("usage{}", core_i);
store.push_back(fmt::arg(core_format.c_str(), cpu_usage[i]));
auto icon_format = fmt::format("icon{}", core_i);
store.push_back(fmt::arg(icon_format.c_str(), getIcon(cpu_usage[i], icons)));
arg_names.push_back(fmt::format("usage{}", core_i));
store.push_back(fmt::arg(arg_names.back().c_str(), cpu_usage[i]));
arg_names.push_back(fmt::format("icon{}", core_i));
store.push_back(fmt::arg(arg_names.back().c_str(), getIcon(cpu_usage[i], icons)));
}
label_.set_markup(fmt::vformat(format, store));
@ -78,7 +80,7 @@ std::tuple<std::vector<uint16_t>, std::string> waybar::modules::CpuUsage::getCpu
auto [prev_idle, prev_total] = prev_times[0];
const float delta_idle = curr_idle - prev_idle;
const float delta_total = curr_total - prev_total;
uint16_t tmp = 100 * (1 - delta_idle / delta_total);
uint16_t tmp = (delta_total > 0) ? static_cast<uint16_t>(100 * (1 - delta_idle / delta_total)) : 0;
tooltip = fmt::format("Total: {}%\nCores: (pending)", tmp);
usage.push_back(tmp);
} else {
@ -100,7 +102,7 @@ std::tuple<std::vector<uint16_t>, std::string> waybar::modules::CpuUsage::getCpu
}
const float delta_idle = curr_idle - prev_idle;
const float delta_total = curr_total - prev_total;
uint16_t tmp = 100 * (1 - delta_idle / delta_total);
uint16_t tmp = (delta_total > 0) ? static_cast<uint16_t>(100 * (1 - delta_idle / delta_total)) : 0;
if (i == 0) {
tooltip = fmt::format("Total: {}%", tmp);
} else {

2
src/modules/disk.cpp
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@ -41,7 +41,7 @@ auto waybar::modules::Disk::update() -> void {
fs_used - File system used space
*/
if (err != 0) {
if (err != 0 || stats.f_blocks == 0) {
event_box_.hide();
return;
}

1
src/modules/dwl/tags.cpp
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@ -179,6 +179,7 @@ bool Tags::handle_button_press(GdkEventButton* event_button, uint32_t tag) {
}
void Tags::handle_view_tags(uint32_t tag, uint32_t state, uint32_t clients, uint32_t focused) {
if (tag >= buttons_.size()) return;
// First clear all occupied state
auto& button = buttons_[tag];
if (clients) {

4
src/modules/ext/workspace_manager.cpp
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@ -143,7 +143,9 @@ void WorkspaceManager::handle_finished() {
ext_manager_ = nullptr;
}
void WorkspaceManager::commit() const { ext_workspace_manager_v1_commit(ext_manager_); }
void WorkspaceManager::commit() const {
if (ext_manager_) ext_workspace_manager_v1_commit(ext_manager_);
}
void WorkspaceManager::update() {
spdlog::debug("[ext/workspaces]: Updating state");

6
src/modules/gamemode.cpp
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@ -128,9 +128,9 @@ void Gamemode::getData() {
Glib::VariantContainerBase data = gamemode_proxy->call_sync("Get", parameters);
if (data && data.is_of_type(Glib::VariantType("(v)"))) {
Glib::VariantBase variant;
g_variant_get(data.gobj_copy(), "(v)", &variant);
g_variant_get(data.gobj(), "(v)", &variant);
if (variant && variant.is_of_type(Glib::VARIANT_TYPE_INT32)) {
g_variant_get(variant.gobj_copy(), "i", &gameCount);
g_variant_get(variant.gobj(), "i", &gameCount);
return;
}
}
@ -158,7 +158,7 @@ void Gamemode::prepareForSleep_cb(const Glib::RefPtr<Gio::DBus::Connection>& con
const Glib::VariantContainerBase& parameters) {
if (parameters.is_of_type(Glib::VariantType("(b)"))) {
gboolean sleeping;
g_variant_get(parameters.gobj_copy(), "(b)", &sleeping);
g_variant_get(parameters.gobj(), "(b)", &sleeping);
if (!sleeping) {
getData();
dp.emit();

5
src/modules/jack.cpp
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@ -53,7 +53,7 @@ std::string JACK::JACKState() {
auto JACK::update() -> void {
std::string format;
std::string state = JACKState();
float latency = 1000 * (float)bufsize_ / (float)samplerate_;
float latency = samplerate_ > 0 ? 1000.0f * (float)bufsize_ / (float)samplerate_ : 0.0f;
if (label_.get_style_context()->has_class("xrun")) {
label_.get_style_context()->remove_class("xrun");
@ -91,16 +91,19 @@ auto JACK::update() -> void {
}
int JACK::bufSize(jack_nframes_t size) {
std::lock_guard<std::mutex> lock(mutex_);
bufsize_ = size;
return 0;
}
int JACK::sampleRate(jack_nframes_t rate) {
std::lock_guard<std::mutex> lock(mutex_);
samplerate_ = rate;
return 0;
}
int JACK::xrun() {
std::lock_guard<std::mutex> lock(mutex_);
xruns_ += 1;
state_ = "xrun";
return 0;

8
src/modules/mpris/mpris.cpp
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@ -117,7 +117,7 @@ Mpris::Mpris(const std::string& id, const Json::Value& config)
}
GError* error = nullptr;
waybar::util::ScopeGuard error_deleter([error]() {
waybar::util::ScopeGuard error_deleter([&error]() {
if (error) {
g_error_free(error);
}
@ -478,7 +478,7 @@ auto Mpris::getPlayerInfo() -> std::optional<PlayerInfo> {
}
GError* error = nullptr;
waybar::util::ScopeGuard error_deleter([error]() {
waybar::util::ScopeGuard error_deleter([&error]() {
if (error) {
g_error_free(error);
}
@ -543,6 +543,10 @@ auto Mpris::getPlayerInfo() -> std::optional<PlayerInfo> {
g_object_get(last_active_player_, "status", &player_status, "playback-status",
&player_playback_status, NULL);
if (!player_status) {
spdlog::error("mpris: failed to get player status");
return std::nullopt;
}
// make status lowercase
player_status[0] = std::tolower(player_status[0]);

1
src/modules/network.cpp
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@ -46,6 +46,7 @@ waybar::modules::Network::readBandwidthUsage() {
std::string ifacename;
iss >> ifacename; // ifacename contains "eth0:"
if (ifacename.empty()) continue;
ifacename.pop_back(); // remove trailing ':'
if (ifacename != ifname_) {
continue;

4
src/modules/power_profiles_daemon.cpp
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@ -176,6 +176,10 @@ auto PowerProfilesDaemon::update() -> void {
bool PowerProfilesDaemon::handleToggle(GdkEventButton* const& e) {
if (e->type == GdkEventType::GDK_BUTTON_PRESS && connected_) {
if (availableProfiles_.empty()) return true;
if (activeProfile_ == availableProfiles_.end()) {
activeProfile_ = availableProfiles_.begin();
}
if (e->button == 1) /* left click */ {
activeProfile_++;
if (activeProfile_ == availableProfiles_.end()) {

1
src/modules/river/layout.cpp
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@ -118,6 +118,7 @@ Layout::Layout(const std::string& id, const waybar::Bar& bar, const Json::Value&
if (!seat_) {
spdlog::error("wl_seat not advertised");
return;
}
label_.hide();

1
src/modules/river/mode.cpp
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@ -77,6 +77,7 @@ Mode::Mode(const std::string& id, const waybar::Bar& bar, const Json::Value& con
if (!seat_) {
spdlog::error("wl_seat not advertised");
return;
}
label_.hide();

3
src/modules/river/tags.cpp
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@ -101,10 +101,12 @@ Tags::Tags(const std::string& id, const waybar::Bar& bar, const Json::Value& con
if (!control_) {
spdlog::error("river_control_v1 not advertised");
return;
}
if (!seat_) {
spdlog::error("wl_seat not advertised");
return;
}
box_.set_name("tags");
@ -168,6 +170,7 @@ Tags::~Tags() {
}
void Tags::handle_show() {
if (!status_manager_) return;
struct wl_output* output = gdk_wayland_monitor_get_wl_output(bar_.output->monitor->gobj());
output_status_ = zriver_status_manager_v1_get_river_output_status(status_manager_, output);
zriver_output_status_v1_add_listener(output_status_, &output_status_listener_impl, this);

1
src/modules/river/window.cpp
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@ -78,6 +78,7 @@ Window::Window(const std::string& id, const waybar::Bar& bar, const Json::Value&
if (!seat_) {
spdlog::error("wl_seat not advertised");
return;
}
label_.hide(); // hide the label until populated

4
src/modules/sndio.cpp
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@ -102,7 +102,9 @@ Sndio::~Sndio() { sioctl_close(hdl_); }
auto Sndio::update() -> void {
auto format = format_;
unsigned int vol = 100. * static_cast<double>(volume_) / static_cast<double>(maxval_);
unsigned int vol = (maxval_ > 0)
? static_cast<unsigned int>(100. * static_cast<double>(volume_) / static_cast<double>(maxval_))
: 0;
if (volume_ == 0) {
label_.get_style_context()->add_class("muted");

4
src/modules/sni/host.cpp
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@ -59,7 +59,7 @@ void Host::nameVanished(const Glib::RefPtr<Gio::DBus::Connection>& conn, const G
void Host::proxyReady(GObject* src, GAsyncResult* res, gpointer data) {
GError* error = nullptr;
waybar::util::ScopeGuard error_deleter([error]() {
waybar::util::ScopeGuard error_deleter([&error]() {
if (error != nullptr) {
g_error_free(error);
}
@ -81,7 +81,7 @@ void Host::proxyReady(GObject* src, GAsyncResult* res, gpointer data) {
void Host::registerHost(GObject* src, GAsyncResult* res, gpointer data) {
GError* error = nullptr;
waybar::util::ScopeGuard error_deleter([error]() {
waybar::util::ScopeGuard error_deleter([&error]() {
if (error != nullptr) {
g_error_free(error);
}

3
src/modules/sni/item.cpp
View File

@ -365,13 +365,14 @@ Glib::RefPtr<Gdk::Pixbuf> Item::extractPixBuf(GVariant* variant) {
void Item::updateImage() {
auto pixbuf = getIconPixbuf();
if (!pixbuf) return;
auto scaled_icon_size = getScaledIconSize();
// If the loaded icon is not square, assume that the icon height should match the
// requested icon size, but the width is allowed to be different. As such, if the
// height of the image does not match the requested icon size, resize the icon such that
// the aspect ratio is maintained, but the height matches the requested icon size.
if (pixbuf->get_height() != scaled_icon_size) {
if (pixbuf->get_height() > 0 && pixbuf->get_height() != scaled_icon_size) {
int width = scaled_icon_size * pixbuf->get_width() / pixbuf->get_height();
pixbuf = pixbuf->scale_simple(width, scaled_icon_size, Gdk::InterpType::INTERP_BILINEAR);
}

2
src/modules/sni/watcher.cpp
View File

@ -31,7 +31,7 @@ Watcher::~Watcher() {
void Watcher::busAcquired(const Glib::RefPtr<Gio::DBus::Connection>& conn, Glib::ustring name) {
GError* error = nullptr;
waybar::util::ScopeGuard error_deleter([error]() {
waybar::util::ScopeGuard error_deleter([&error]() {
if (error) {
g_error_free(error);
}

8
src/modules/systemd_failed_units.cpp
View File

@ -77,9 +77,9 @@ void SystemdFailedUnits::RequestSystemState() {
Glib::VariantContainerBase data = proxy->call_sync("Get", parameters);
if (data && data.is_of_type(Glib::VariantType("(v)"))) {
Glib::VariantBase variant;
g_variant_get(data.gobj_copy(), "(v)", &variant);
g_variant_get(data.gobj(), "(v)", &variant);
if (variant && variant.is_of_type(Glib::VARIANT_TYPE_STRING)) {
return g_variant_get_string(variant.gobj_copy(), NULL);
return g_variant_get_string(variant.gobj(), NULL);
}
}
} catch (Glib::Error& e) {
@ -105,9 +105,9 @@ void SystemdFailedUnits::RequestFailedUnits() {
Glib::VariantContainerBase data = proxy->call_sync("Get", parameters);
if (data && data.is_of_type(Glib::VariantType("(v)"))) {
Glib::VariantBase variant;
g_variant_get(data.gobj_copy(), "(v)", &variant);
g_variant_get(data.gobj(), "(v)", &variant);
if (variant && variant.is_of_type(Glib::VARIANT_TYPE_UINT32)) {
return g_variant_get_uint32(variant.gobj_copy());
return g_variant_get_uint32(variant.gobj());
}
}
} catch (Glib::Error& e) {

10
src/modules/upower.cpp
View File

@ -59,10 +59,12 @@ UPower::UPower(const std::string& id, const Json::Value& config)
sigc::mem_fun(*this, &UPower::getConn_cb));
// Make UPower client
GError** gErr = NULL;
upClient_ = up_client_new_full(NULL, gErr);
if (upClient_ == NULL)
spdlog::error("Upower. UPower client connection error. {}", (*gErr)->message);
GError* gErr = NULL;
upClient_ = up_client_new_full(NULL, &gErr);
if (upClient_ == NULL) {
spdlog::error("Upower. UPower client connection error. {}", gErr ? gErr->message : "unknown error");
if (gErr) g_error_free(gErr);
}
// Subscribe UPower events
g_signal_connect(upClient_, "device-added", G_CALLBACK(deviceAdded_cb), this);

31
src/modules/wayfire/backend.cpp
View File

@ -9,6 +9,7 @@
#include <bit>
#include <cstdint>
#include <cstdlib>
#include <cstring>
#include <exception>
#include <ranges>
#include <thread>
@ -32,7 +33,13 @@ auto pack_and_write(Sock& sock, std::string&& buf) -> void {
auto read_exact(Sock& sock, size_t n) -> std::string {
auto buf = std::string(n, 0);
for (size_t i = 0; i < n;) i += read(sock.fd, &buf[i], n - i);
for (size_t i = 0; i < n;) {
auto r = read(sock.fd, &buf[i], n - i);
if (r <= 0) {
throw std::runtime_error("Wayfire IPC: read failed");
}
i += static_cast<size_t>(r);
}
return buf;
}
@ -53,6 +60,9 @@ auto State::Wset::locate_ws(const Json::Value& geo) -> Workspace& {
}
auto State::Wset::locate_ws(const Json::Value& geo) const -> const Workspace& {
if (!output.has_value()) {
throw std::runtime_error("Wayfire IPC: wset has no output assigned");
}
const auto& out = output.value().get();
auto [qx, rx] = std::div(geo["x"].asInt(), out.w);
auto [qy, ry] = std::div(geo["y"].asInt(), out.h);
@ -88,7 +98,10 @@ auto State::update_view(const Json::Value& view) -> void {
auto IPC::get_instance() -> std::shared_ptr<IPC> {
auto p = instance.lock();
if (!p) instance = p = std::shared_ptr<IPC>(new IPC);
if (!p) {
instance = p = std::shared_ptr<IPC>(new IPC);
p->start();
}
return p;
}
@ -116,7 +129,9 @@ auto IPC::connect() -> Sock {
}
auto IPC::receive(Sock& sock) -> Json::Value {
auto len = *reinterpret_cast<uint32_t*>(read_exact(sock, 4).data());
auto len_buf = read_exact(sock, 4);
uint32_t len;
std::memcpy(&len, len_buf.data(), sizeof(len));
if constexpr (std::endian::native != std::endian::little) len = byteswap(len);
auto buf = read_exact(sock, len);
@ -153,15 +168,15 @@ auto IPC::start() -> void {
send("window-rules/get-focused-view", {});
send("window-rules/get-focused-output", {});
std::thread([&] {
std::thread([self = shared_from_this()] {
auto sock = connect();
{
Json::Value json;
json["method"] = "window-rules/events/watch";
pack_and_write(sock, Json::writeString(writer_builder, json));
if (receive(sock)["result"] != "ok") {
pack_and_write(sock, Json::writeString(self->writer_builder, json));
if (self->receive(sock)["result"] != "ok") {
spdlog::error(
"Wayfire IPC: method \"window-rules/events/watch\""
" have failed");
@ -169,10 +184,10 @@ auto IPC::start() -> void {
}
}
while (auto json = receive(sock)) {
while (auto json = self->receive(sock)) {
auto ev = json["event"].asString();
spdlog::debug("Wayfire IPC: received event \"{}\"", ev);
root_event_handler(ev, json);
self->root_event_handler(ev, json);
}
}).detach();
}

8
src/modules/wayfire/window.cpp
View File

@ -34,8 +34,12 @@ auto Window::update() -> void {
auto Window::update_icon_label() -> void {
auto _ = ipc->lock_state();
const auto& output = ipc->get_outputs().at(bar_.output->name);
const auto& wset = ipc->get_wsets().at(output.wset_idx);
auto out_it = ipc->get_outputs().find(bar_.output->name);
if (out_it == ipc->get_outputs().end()) return;
const auto& output = out_it->second;
auto wset_it = ipc->get_wsets().find(output.wset_idx);
if (wset_it == ipc->get_wsets().end()) return;
const auto& wset = wset_it->second;
const auto& views = ipc->get_views();
auto ctx = bar_.window.get_style_context();

16
src/modules/wayfire/workspaces.cpp
View File

@ -70,8 +70,12 @@ auto Workspaces::handleScroll(GdkEventScroll* e) -> bool {
Json::Value data;
{
auto _ = ipc->lock_state();
const auto& output = ipc->get_outputs().at(bar_.output->name);
const auto& wset = ipc->get_wsets().at(output.wset_idx);
auto out_it = ipc->get_outputs().find(bar_.output->name);
if (out_it == ipc->get_outputs().end()) return true;
const auto& output = out_it->second;
auto wset_it = ipc->get_wsets().find(output.wset_idx);
if (wset_it == ipc->get_wsets().end()) return true;
const auto& wset = wset_it->second;
auto n = wset.ws_w * wset.ws_h;
auto i = (wset.ws_idx() + delta + n) % n;
data["x"] = Json::Value((uint64_t)i % wset.ws_w);
@ -92,8 +96,12 @@ auto Workspaces::update_box() -> void {
auto _ = ipc->lock_state();
const auto& output_name = bar_.output->name;
const auto& output = ipc->get_outputs().at(output_name);
const auto& wset = ipc->get_wsets().at(output.wset_idx);
auto out_it = ipc->get_outputs().find(output_name);
if (out_it == ipc->get_outputs().end()) return;
const auto& output = out_it->second;
auto wset_it = ipc->get_wsets().find(output.wset_idx);
if (wset_it == ipc->get_wsets().end()) return;
const auto& wset = wset_it->second;
auto output_focused = ipc->get_focused_output_name() == output_name;
auto ws_w = wset.ws_w;

15
src/modules/wireplumber.cpp
View File

@ -81,7 +81,7 @@ void waybar::modules::Wireplumber::updateNodeName(waybar::modules::Wireplumber*
if (proxy == nullptr) {
auto err = fmt::format("Object '{}' not found\n", id);
spdlog::error("[{}]: {}", self->name_, err);
throw std::runtime_error(err);
return;
}
g_autoptr(WpProperties) properties =
@ -153,7 +153,7 @@ void waybar::modules::Wireplumber::updateVolume(waybar::modules::Wireplumber* se
if (variant == nullptr) {
auto err = fmt::format("Node {} does not support volume\n", id);
spdlog::error("[{}]: {}", self->name_, err);
throw std::runtime_error(err);
return;
}
g_variant_lookup(variant, "volume", "d", &self->volume_);
@ -287,14 +287,14 @@ void waybar::modules::Wireplumber::onObjectManagerInstalled(waybar::modules::Wir
if (self->def_nodes_api_ == nullptr) {
spdlog::error("[{}]: default nodes api is not loaded.", self->name_);
throw std::runtime_error("Default nodes API is not loaded\n");
return;
}
self->mixer_api_ = wp_plugin_find(self->wp_core_, "mixer-api");
if (self->mixer_api_ == nullptr) {
spdlog::error("[{}]: mixer api is not loaded.", self->name_);
throw std::runtime_error("Mixer api is not loaded\n");
return;
}
// Get default sink
@ -336,7 +336,7 @@ void waybar::modules::Wireplumber::onPluginActivated(WpObject* p, GAsyncResult*
if (wp_object_activate_finish(p, res, &error) == 0) {
spdlog::error("[{}]: error activating plugin: {}", self->name_, error->message);
throw std::runtime_error(error->message);
return;
}
if (--self->pending_plugins_ == 0) {
@ -373,7 +373,7 @@ void waybar::modules::Wireplumber::onDefaultNodesApiLoaded(WpObject* p, GAsyncRe
if (success == FALSE) {
spdlog::error("[{}]: default nodes API load failed", self->name_);
throw std::runtime_error(error->message);
return;
}
spdlog::debug("[{}]: loaded default nodes api", self->name_);
g_ptr_array_add(self->apis_, wp_plugin_find(self->wp_core_, "default-nodes-api"));
@ -392,7 +392,7 @@ void waybar::modules::Wireplumber::onMixerApiLoaded(WpObject* p, GAsyncResult* r
if (success == FALSE) {
spdlog::error("[{}]: mixer API load failed", self->name_);
throw std::runtime_error(error->message);
return;
}
spdlog::debug("[{}]: loaded mixer API", self->name_);
@ -524,6 +524,7 @@ bool waybar::modules::Wireplumber::handleScroll(GdkEventScroll* e) {
}
}
if (newVol != volume_) {
if (mixer_api_ == nullptr) return true;
GVariant* variant = g_variant_new_double(newVol);
gboolean ret;
g_signal_emit_by_name(mixer_api_, "set-volume", node_id_, variant, &ret);

4
src/modules/wlr/taskbar.cpp
View File

@ -437,7 +437,9 @@ void Task::handle_drag_data_get(const Glib::RefPtr<Gdk::DragContext>& context,
void Task::handle_drag_data_received(const Glib::RefPtr<Gdk::DragContext>& context, int x, int y,
Gtk::SelectionData selection_data, guint info, guint time) {
spdlog::debug("drag_data_received");
gpointer handle = *(gpointer*)selection_data.get_data();
auto* raw = selection_data.get_data();
if (!raw || selection_data.get_length() < static_cast<int>(sizeof(gpointer))) return;
gpointer handle = *(gpointer*)raw;
auto dragged_button = (Gtk::Button*)handle;
if (dragged_button == &this->button) return;