waybar/src/ALabel.cpp

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#include "ALabel.hpp"
#include <util/command.hpp>
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#include <iostream>
waybar::ALabel::ALabel(const Json::Value& config, const std::string format)
: config_(config),
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format_(config_["format"].isString() ? config_["format"].asString() : format),
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default_format_(format_)
{
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event_box_.add(label_);
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if (config_["max-length"].isUInt()) {
label_.set_max_width_chars(config_["max-length"].asUInt());
label_.set_ellipsize(Pango::EllipsizeMode::ELLIPSIZE_END);
}
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if (config_["format-alt"].isString()) {
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event_box_.add_events(Gdk::BUTTON_PRESS_MASK);
event_box_.signal_button_press_event().connect(
sigc::mem_fun(*this, &ALabel::handleToggle));
}
// configure events' user commands
if (config_["on-click"].isString()) {
event_box_.add_events(Gdk::BUTTON_PRESS_MASK);
event_box_.signal_button_press_event().connect(
sigc::mem_fun(*this, &ALabel::handleToggle));
}
if (config_["on-scroll-up"].isString()) {
event_box_.add_events(Gdk::SCROLL_MASK);
event_box_.signal_scroll_event().connect(
sigc::mem_fun(*this, &ALabel::handleScroll));
}
if (config_["on-scroll-down"].isString()) {
event_box_.add_events(Gdk::SCROLL_MASK);
event_box_.signal_scroll_event().connect(
sigc::mem_fun(*this, &ALabel::handleScroll));
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}
}
auto waybar::ALabel::update() -> void {
// Nothing here
}
bool waybar::ALabel::handleToggle(GdkEventButton* const& e) {
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if (config_["on-click"].isString() && e->button == 1) {
waybar::util::command::forkExec(config_["on-click"].asString());
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} else {
alt = !alt;
if (alt) {
format_ = config_["format-alt"].asString();
} else {
format_ = default_format_;
}
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}
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dp.emit();
return true;
}
bool waybar::ALabel::handleScroll(GdkEventScroll* e) {
// Avoid concurrent scroll event
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std::lock_guard<std::mutex> lock(mutex_);
bool direction_up = false;
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if (e->direction == GDK_SCROLL_UP) {
direction_up = true;
}
if (e->direction == GDK_SCROLL_DOWN) {
direction_up = false;
}
if (e->direction == GDK_SCROLL_SMOOTH) {
gdouble delta_x, delta_y;
gdk_event_get_scroll_deltas(reinterpret_cast<const GdkEvent*>(e),
&delta_x, &delta_y);
if (delta_y < 0) {
direction_up = true;
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} else if (delta_y > 0) {
direction_up = false;
}
}
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if (direction_up && config_["on-scroll-up"].isString()) {
waybar::util::command::forkExec(config_["on-scroll-up"].asString());
} else if (config_["on-scroll-down"].isString()) {
waybar::util::command::forkExec(config_["on-scroll-down"].asString());
}
dp.emit();
return true;
}
std::string waybar::ALabel::getIcon(uint16_t percentage,
const std::string& alt) {
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auto format_icons = config_["format-icons"];
if (format_icons.isObject()) {
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if (!alt.empty() && format_icons[alt].isString()) {
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format_icons = format_icons[alt];
} else {
format_icons = format_icons["default"];
}
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}
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if (format_icons.isArray()) {
auto size = format_icons.size();
auto idx = std::clamp(percentage / (100 / size), 0U, size - 1);
format_icons = format_icons[idx];
}
if (format_icons.isString()) {
return format_icons.asString();
}
return "";
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}
waybar::ALabel::operator Gtk::Widget&() { return event_box_; }