Waybar/src/modules/workspaces.cpp

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#include "modules/workspaces.hpp"
#include "ipc/client.hpp"
static void handle_idle(void *data, struct org_kde_kwin_idle_timeout *timer) {
auto o = reinterpret_cast<waybar::modules::WorkspaceSelector *>(data);
if (o->thread) {
delete o->thread;
o->thread = nullptr;
}
}
static void handle_resume(void *data, struct org_kde_kwin_idle_timeout *timer) {
auto o = reinterpret_cast<waybar::modules::WorkspaceSelector *>(data);
if (!o->thread) {
o->updateThread();
}
}
static const struct org_kde_kwin_idle_timeout_listener idle_timer_listener = {
.idle = handle_idle,
.resumed = handle_resume,
};
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waybar::modules::WorkspaceSelector::WorkspaceSelector(Bar &bar)
: thread(nullptr), _bar(bar), _box(Gtk::manage(new Gtk::Box))
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{
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_box->get_style_context()->add_class("workspaces");
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std::string socketPath = get_socketpath();
_ipcSocketfd = ipc_open_socket(socketPath);
_ipcEventSocketfd = ipc_open_socket(socketPath);
const char *subscribe = "[ \"workspace\", \"mode\" ]";
uint32_t len = strlen(subscribe);
ipc_single_command(_ipcEventSocketfd, IPC_SUBSCRIBE, subscribe, &len);
_idle_timer =
org_kde_kwin_idle_get_idle_timeout(_bar.client.idle_manager,
_bar.client.seat, 10000); // 10 seconds
org_kde_kwin_idle_timeout_add_listener(_idle_timer,
&idle_timer_listener, this);
updateThread();
}
void waybar::modules::WorkspaceSelector::updateThread()
{
thread = new waybar::util::SleeperThread([this] {
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update();
thread->sleep_for(waybar::chrono::milliseconds(250));
});
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}
auto waybar::modules::WorkspaceSelector::update() -> void
{
Json::Value workspaces = _getWorkspaces();
for (auto it = _buttons.begin(); it != _buttons.end(); ++it) {
auto ws = std::find_if(workspaces.begin(), workspaces.end(),
[it](auto node) -> bool { return node["num"].asInt() == it->first; });
if (ws == workspaces.end()) {
it->second.hide();
}
}
for (auto node : workspaces) {
auto it = _buttons.find(node["num"].asInt());
if (it == _buttons.end()) {
_addWorkspace(node);
} else {
auto styleContext = it->second.get_style_context();
bool isCurrent = node["focused"].asBool();
if (styleContext->has_class("current") && !isCurrent) {
styleContext->remove_class("current");
} else if (!styleContext->has_class("current") && isCurrent) {
styleContext->add_class("current");
}
it->second.show();
}
}
}
void waybar::modules::WorkspaceSelector::_addWorkspace(Json::Value node)
{
auto pair = _buttons.emplace(node["num"].asInt(), node["name"].asString());
auto &button = pair.first->second;
button.set_relief(Gtk::RELIEF_NONE);
button.signal_clicked().connect([this, pair] {
auto value = fmt::format("workspace \"{}\"", pair.first->first);
uint32_t size = value.size();
ipc_single_command(_ipcSocketfd, IPC_COMMAND, value.c_str(), &size);
});
_box->pack_start(button, false, false, 0);
_box->reorder_child(button, node["num"].asInt() - 1);
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if (node["focused"].asBool()) {
button.get_style_context()->add_class("current");
}
button.show();
}
Json::Value waybar::modules::WorkspaceSelector::_getWorkspaces()
{
uint32_t len = 0;
Json::Value root;
Json::CharReaderBuilder builder;
Json::CharReader* reader = builder.newCharReader();
std::string err;
std::string str = ipc_single_command(_ipcSocketfd, IPC_GET_WORKSPACES,
nullptr, &len);
bool res = reader->parse(str.c_str(), str.c_str() + str.size(), &root, &err);
delete reader;
if (!res) {
std::cerr << err << std::endl;
return nullptr;
}
return root;
}
waybar::modules::WorkspaceSelector::operator Gtk::Widget &() {
return *_box;
}