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Copy pathALabel.cpp
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310 lines (280 loc) · 10.8 KB
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#include "ALabel.hpp"
#include <fmt/format.h>
#include <fstream>
#include <iostream>
#include <util/command.hpp>
#include "config.hpp"
namespace waybar {
ALabel::ALabel(const Json::Value& config, const std::string& name, const std::string& id,
const std::string& format, uint16_t interval, bool ellipsize, bool enable_click,
bool enable_scroll)
: AModule(config, name, id,
config["format-alt"].isString() || config["menu"].isString() || enable_click,
enable_scroll),
format_(config_["format"].isString() ? config_["format"].asString() : format),
// Leave the default option outside of the std::max(1L, ...), because the zero value
// (default) is used in modules/custom.cpp to make the difference between
// two types of custom scripts. Fixes #4521.
interval_(config_["interval"] == "once"
? std::chrono::milliseconds::max()
: std::chrono::milliseconds(
(config_["interval"].isNumeric()
? (config_["interval"].asDouble() > 0
// Minimum 1ms due to millisecond precision
? std::max(1L, static_cast<long>(
config_["interval"].asDouble() * 1000))
// Only modules with no periodic default use 0 as an
// event-driven sentinel. Periodic modules fall back to their
// default interval so interval:0 cannot busy-loop or hit
// modulo-by-zero clock code.
: (interval == 0 ? 0L : 1000L * static_cast<long>(interval)))
: 1000 * (long)interval))),
default_format_(format_) {
label_.set_name(name);
if (!id.empty()) {
label_.get_style_context()->add_class(id);
}
label_.get_style_context()->add_class(MODULE_CLASS);
event_box_.add(label_);
if (config_["max-length"].isUInt()) {
label_.set_max_width_chars(config_["max-length"].asInt());
label_.set_ellipsize(Pango::EllipsizeMode::ELLIPSIZE_END);
label_.set_single_line_mode(true);
} else if (ellipsize && label_.get_max_width_chars() == -1) {
label_.set_ellipsize(Pango::EllipsizeMode::ELLIPSIZE_END);
label_.set_single_line_mode(true);
}
if (config_["min-length"].isUInt()) {
label_.set_width_chars(config_["min-length"].asUInt());
}
uint rotate = 0;
if (config_["rotate"].isUInt()) {
rotate = config["rotate"].asUInt();
if (not(rotate == 0 || rotate == 90 || rotate == 180 || rotate == 270))
spdlog::warn("'rotate' is only supported in 90 degree increments {} is not valid.", rotate);
label_.set_angle(rotate);
}
if (config_["align"].isDouble()) {
auto align = config_["align"].asFloat();
if (rotate == 90 || rotate == 270) {
label_.set_yalign(align);
} else {
label_.set_xalign(align);
}
}
// If a GTKMenu is requested in the config
if (config_["menu"].isString()) {
// Create the GTKMenu widget
try {
// Check that the file exists
std::string menuFile = config_["menu-file"].asString();
// there might be "~" or "$HOME" in original path, try to expand it.
auto result = Config::tryExpandPath(menuFile, "");
if (result.empty()) {
throw std::runtime_error("Failed to expand file: " + menuFile);
}
menuFile = result.front();
// Read the menu descriptor file
std::ifstream file(menuFile);
if (!file.is_open()) {
throw std::runtime_error("Failed to open file: " + menuFile);
}
std::stringstream fileContent;
fileContent << file.rdbuf();
GtkBuilder* builder = gtk_builder_new();
// Make the GtkBuilder and check for errors in his parsing
if (gtk_builder_add_from_string(builder, fileContent.str().c_str(), -1, nullptr) == 0U) {
g_object_unref(builder);
throw std::runtime_error("Error found in the file " + menuFile);
}
menu_ = gtk_builder_get_object(builder, "menu");
if (menu_ == nullptr) {
g_object_unref(builder);
throw std::runtime_error("Failed to get 'menu' object from GtkBuilder");
}
// Keep the menu alive after dropping the transient GtkBuilder.
g_object_ref(menu_);
submenus_ = std::map<std::string, GtkMenuItem*>();
menuActionsMap_ = std::map<std::string, std::string>();
// Linking actions to the GTKMenu based on
for (Json::Value::const_iterator it = config_["menu-actions"].begin();
it != config_["menu-actions"].end(); ++it) {
std::string key = it.key().asString();
auto* item = gtk_builder_get_object(builder, key.c_str());
if (item == nullptr) {
spdlog::warn("Menu item '{}' not found in builder file", key);
continue;
}
submenus_[key] = GTK_MENU_ITEM(item);
menuActionsMap_[key] = it->asString();
g_signal_connect(submenus_[key], "activate", G_CALLBACK(handleGtkMenuEvent),
(gpointer)g_strdup(menuActionsMap_[key].c_str()));
}
g_object_unref(builder);
} catch (std::runtime_error& e) {
spdlog::warn("Error while creating the menu : {}. Menu popup not activated.", e.what());
}
}
if (config_["justify"].isString()) {
auto justify_str = config_["justify"].asString();
if (justify_str == "left") {
label_.set_justify(Gtk::Justification::JUSTIFY_LEFT);
} else if (justify_str == "right") {
label_.set_justify(Gtk::Justification::JUSTIFY_RIGHT);
} else if (justify_str == "center") {
label_.set_justify(Gtk::Justification::JUSTIFY_CENTER);
}
}
}
auto ALabel::update() -> void { AModule::update(); }
bool ALabel::setLabelMarkup(const Glib::ustring& markup) {
if (last_label_markup_ == markup) {
return false;
}
label_.set_markup(markup);
last_label_markup_ = markup;
return true;
}
bool ALabel::setTooltipMarkup(const Glib::ustring& markup) {
if (last_tooltip_markup_ == markup) {
return false;
}
label_.set_tooltip_markup(markup);
last_tooltip_markup_ = markup;
return true;
}
std::string ALabel::getIcon(uint16_t percentage, const std::string& alt, uint16_t max) {
auto format_icons = config_["format-icons"];
if (format_icons.isObject()) {
if (!alt.empty() && (format_icons[alt].isString() || format_icons[alt].isArray())) {
format_icons = format_icons[alt];
} else {
format_icons = format_icons["default"];
}
}
if (format_icons.isArray()) {
auto size = format_icons.size();
if (size != 0U && format_icons[0].isObject()) {
std::string last_icon;
for (const auto& threshold : format_icons) {
if (!threshold.isObject() || !threshold["icon"].isString() || !threshold["max"].isUInt()) {
static bool warned = false;
if (!warned) {
spdlog::warn("format-icons: skipping invalid threshold object, expected {\"icon\": \"...\", \"max\": N}");
warned = true;
}
continue;
}
last_icon = threshold["icon"].asString();
if (percentage <= threshold["max"].asUInt()) {
return last_icon;
}
}
if (!last_icon.empty()) {
return last_icon;
}
} else if (size != 0U) {
auto divisor = std::max(1U, (max == 0 ? 100U : static_cast<unsigned>(max)) / size);
auto idx = std::clamp(percentage / divisor, 0U, size - 1);
format_icons = format_icons[idx];
}
}
if (format_icons.isString()) {
return format_icons.asString();
}
return "";
}
std::string ALabel::getIcon(uint16_t percentage, const std::vector<std::string>& alts,
uint16_t max) {
auto format_icons = config_["format-icons"];
if (format_icons.isObject()) {
std::string _alt = "default";
for (const auto& alt : alts) {
if (!alt.empty() && (format_icons[alt].isString() || format_icons[alt].isArray())) {
_alt = alt;
break;
}
}
format_icons = format_icons[_alt];
}
if (format_icons.isArray()) {
auto size = format_icons.size();
if (size != 0U && format_icons[0].isObject()) {
std::string last_icon;
for (const auto& threshold : format_icons) {
if (!threshold.isObject() || !threshold["icon"].isString() || !threshold["max"].isUInt()) {
static bool warned = false;
if (!warned) {
spdlog::warn("format-icons: skipping invalid threshold object, expected {\"icon\": \"...\", \"max\": N}");
warned = true;
}
continue;
}
last_icon = threshold["icon"].asString();
if (percentage <= threshold["max"].asUInt()) {
return last_icon;
}
}
if (!last_icon.empty()) {
return last_icon;
}
} else if (size != 0U) {
auto divisor = std::max(1U, (max == 0 ? 100U : static_cast<unsigned>(max)) / size);
auto idx = std::clamp(percentage / divisor, 0U, size - 1);
format_icons = format_icons[idx];
}
}
if (format_icons.isString()) {
return format_icons.asString();
}
return "";
}
void ALabel::copyToClipboard(const std::string& literal) {
Gtk::Clipboard::get()->set_text(literal);
}
bool waybar::ALabel::handleToggle(GdkEventButton* const& e) {
if (config_["format-alt-click"].isUInt() && e->button == config_["format-alt-click"].asUInt()) {
alt_ = !alt_;
if (alt_ && config_["format-alt"].isString()) {
format_ = config_["format-alt"].asString();
} else {
format_ = default_format_;
}
}
if (config_["on-click-copy"].isBool() && config_["on-click-copy"].asBool()) {
copyToClipboard(label_.get_text());
}
return AModule::handleToggle(e);
}
void ALabel::handleGtkMenuEvent(GtkMenuItem* /*menuitem*/, gpointer data) {
waybar::util::command::forkExec((char*)data, "GtkMenu");
}
std::string ALabel::getState(uint8_t value, bool lesser) {
if (!config_["states"].isObject()) {
return "";
}
// Get current state
std::vector<std::pair<std::string, uint8_t>> states;
if (config_["states"].isObject()) {
for (auto it = config_["states"].begin(); it != config_["states"].end(); ++it) {
if (it->isUInt() && it.key().isString()) {
states.emplace_back(it.key().asString(), it->asUInt());
}
}
}
// Sort states
std::ranges::sort(states.begin(), states.end(), [&lesser](auto& a, auto& b) {
return lesser ? a.second < b.second : a.second > b.second;
});
std::string valid_state;
for (auto const& state : states) {
if ((lesser ? value <= state.second : value >= state.second) && valid_state.empty()) {
label_.get_style_context()->add_class(state.first);
valid_state = state.first;
} else {
label_.get_style_context()->remove_class(state.first);
}
}
return valid_state;
}
} // namespace waybar