625 lines
20 KiB
C++
625 lines
20 KiB
C++
#include "bar.hpp"
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#include <gtk-layer-shell.h>
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#include <spdlog/spdlog.h>
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#include <type_traits>
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#include "client.hpp"
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#include "factory.hpp"
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#include "group.hpp"
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#ifdef HAVE_SWAY
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#include "modules/sway/bar.hpp"
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#endif
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namespace waybar {
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static constexpr const char* MIN_HEIGHT_MSG =
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"Requested height: {} is less than the minimum height: {} required by the modules";
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static constexpr const char* MIN_WIDTH_MSG =
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"Requested width: {} is less than the minimum width: {} required by the modules";
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static constexpr const char* BAR_SIZE_MSG = "Bar configured (width: {}, height: {}) for output: {}";
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const Bar::bar_mode_map Bar::PRESET_MODES = { //
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{"default",
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{// Special mode to hold the global bar configuration
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.layer = bar_layer::BOTTOM,
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.exclusive = true,
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.passthrough = false,
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.visible = true}},
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{"dock",
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{// Modes supported by the sway config; see man sway-bar(5)
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.layer = bar_layer::BOTTOM,
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.exclusive = true,
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.passthrough = false,
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.visible = true}},
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{"hide",
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{//
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.layer = bar_layer::TOP,
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.exclusive = false,
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.passthrough = false,
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.visible = true}},
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{"invisible",
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{//
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.layer = bar_layer::BOTTOM,
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.exclusive = false,
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.passthrough = true,
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.visible = false}},
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{"overlay",
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{//
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.layer = bar_layer::TOP,
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.exclusive = false,
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.passthrough = true,
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.visible = true}}};
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const std::string Bar::MODE_DEFAULT = "default";
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const std::string Bar::MODE_INVISIBLE = "invisible";
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const std::string_view DEFAULT_BAR_ID = "bar-0";
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/* Deserializer for enum bar_layer */
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void from_json(const Json::Value& j, bar_layer& l) {
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if (j == "bottom") {
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l = bar_layer::BOTTOM;
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} else if (j == "top") {
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l = bar_layer::TOP;
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} else if (j == "overlay") {
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l = bar_layer::OVERLAY;
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}
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}
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/* Deserializer for struct bar_mode */
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void from_json(const Json::Value& j, bar_mode& m) {
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if (j.isObject()) {
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if (auto v = j["layer"]; v.isString()) {
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from_json(v, m.layer);
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}
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if (auto v = j["exclusive"]; v.isBool()) {
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m.exclusive = v.asBool();
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}
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if (auto v = j["passthrough"]; v.isBool()) {
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m.passthrough = v.asBool();
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}
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if (auto v = j["visible"]; v.isBool()) {
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m.visible = v.asBool();
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}
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}
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}
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/* Deserializer for enum Gtk::PositionType */
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void from_json(const Json::Value& j, Gtk::PositionType& pos) {
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if (j == "left") {
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pos = Gtk::POS_LEFT;
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} else if (j == "right") {
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pos = Gtk::POS_RIGHT;
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} else if (j == "top") {
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pos = Gtk::POS_TOP;
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} else if (j == "bottom") {
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pos = Gtk::POS_BOTTOM;
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}
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}
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Glib::ustring to_string(Gtk::PositionType pos) {
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switch (pos) {
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case Gtk::POS_LEFT:
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return "left";
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case Gtk::POS_RIGHT:
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return "right";
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case Gtk::POS_TOP:
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return "top";
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case Gtk::POS_BOTTOM:
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return "bottom";
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}
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throw std::runtime_error("Invalid Gtk::PositionType");
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}
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/* Deserializer for JSON Object -> map<string compatible type, Value>
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* Assumes that all the values in the object are deserializable to the same type.
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*/
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template <typename Key, typename Value,
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typename = std::enable_if_t<std::is_convertible<std::string, Key>::value>>
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void from_json(const Json::Value& j, std::map<Key, Value>& m) {
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if (j.isObject()) {
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for (auto it = j.begin(); it != j.end(); ++it) {
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from_json(*it, m[it.key().asString()]);
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}
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}
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}
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}; // namespace waybar
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waybar::Bar::Bar(struct waybar_output* w_output, const Json::Value& w_config)
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: output(w_output),
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config(w_config),
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window{Gtk::WindowType::WINDOW_TOPLEVEL},
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x_global(0),
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y_global(0),
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margins_{.top = 0, .right = 0, .bottom = 0, .left = 0},
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left_(Gtk::ORIENTATION_HORIZONTAL, 0),
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center_(Gtk::ORIENTATION_HORIZONTAL, 0),
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right_(Gtk::ORIENTATION_HORIZONTAL, 0),
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box_(Gtk::ORIENTATION_HORIZONTAL, 0) {
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window.set_title("waybar");
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window.set_name("waybar");
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window.set_decorated(false);
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window.get_style_context()->add_class(output->name);
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window.get_style_context()->add_class(config["name"].asString());
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from_json(config["position"], position);
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orientation = (position == Gtk::POS_LEFT || position == Gtk::POS_RIGHT)
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? Gtk::ORIENTATION_VERTICAL
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: Gtk::ORIENTATION_HORIZONTAL;
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window.get_style_context()->add_class(to_string(position));
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left_ = Gtk::Box(orientation, 0);
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center_ = Gtk::Box(orientation, 0);
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right_ = Gtk::Box(orientation, 0);
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box_ = Gtk::Box(orientation, 0);
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left_.get_style_context()->add_class("modules-left");
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center_.get_style_context()->add_class("modules-center");
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right_.get_style_context()->add_class("modules-right");
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if (config["spacing"].isInt()) {
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int spacing = config["spacing"].asInt();
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left_.set_spacing(spacing);
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center_.set_spacing(spacing);
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right_.set_spacing(spacing);
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}
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height_ = config["height"].isUInt() ? config["height"].asUInt() : 0;
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width_ = config["width"].isUInt() ? config["width"].asUInt() : 0;
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if (config["margin-top"].isInt() || config["margin-right"].isInt() ||
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config["margin-bottom"].isInt() || config["margin-left"].isInt()) {
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margins_ = {
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config["margin-top"].isInt() ? config["margin-top"].asInt() : 0,
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config["margin-right"].isInt() ? config["margin-right"].asInt() : 0,
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config["margin-bottom"].isInt() ? config["margin-bottom"].asInt() : 0,
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config["margin-left"].isInt() ? config["margin-left"].asInt() : 0,
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};
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} else if (config["margin"].isString()) {
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std::istringstream iss(config["margin"].asString());
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std::vector<std::string> margins{std::istream_iterator<std::string>(iss), {}};
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try {
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if (margins.size() == 1) {
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auto gaps = std::stoi(margins[0], nullptr, 10);
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margins_ = {.top = gaps, .right = gaps, .bottom = gaps, .left = gaps};
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}
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if (margins.size() == 2) {
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auto vertical_margins = std::stoi(margins[0], nullptr, 10);
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auto horizontal_margins = std::stoi(margins[1], nullptr, 10);
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margins_ = {.top = vertical_margins,
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.right = horizontal_margins,
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.bottom = vertical_margins,
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.left = horizontal_margins};
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}
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if (margins.size() == 3) {
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auto horizontal_margins = std::stoi(margins[1], nullptr, 10);
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margins_ = {.top = std::stoi(margins[0], nullptr, 10),
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.right = horizontal_margins,
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.bottom = std::stoi(margins[2], nullptr, 10),
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.left = horizontal_margins};
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}
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if (margins.size() == 4) {
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margins_ = {.top = std::stoi(margins[0], nullptr, 10),
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.right = std::stoi(margins[1], nullptr, 10),
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.bottom = std::stoi(margins[2], nullptr, 10),
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.left = std::stoi(margins[3], nullptr, 10)};
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}
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} catch (...) {
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spdlog::warn("Invalid margins: {}", config["margin"].asString());
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}
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} else if (config["margin"].isInt()) {
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auto gaps = config["margin"].asInt();
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margins_ = {.top = gaps, .right = gaps, .bottom = gaps, .left = gaps};
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}
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window.signal_configure_event().connect_notify(sigc::mem_fun(*this, &Bar::onConfigure));
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output->monitor->property_geometry().signal_changed().connect(
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sigc::mem_fun(*this, &Bar::onOutputGeometryChanged));
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// this has to be executed before GtkWindow.realize
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auto* gtk_window = window.gobj();
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gtk_layer_init_for_window(gtk_window);
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gtk_layer_set_keyboard_mode(gtk_window, GTK_LAYER_SHELL_KEYBOARD_MODE_NONE);
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gtk_layer_set_monitor(gtk_window, output->monitor->gobj());
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gtk_layer_set_namespace(gtk_window, "waybar");
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gtk_layer_set_margin(gtk_window, GTK_LAYER_SHELL_EDGE_LEFT, margins_.left);
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gtk_layer_set_margin(gtk_window, GTK_LAYER_SHELL_EDGE_RIGHT, margins_.right);
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gtk_layer_set_margin(gtk_window, GTK_LAYER_SHELL_EDGE_TOP, margins_.top);
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gtk_layer_set_margin(gtk_window, GTK_LAYER_SHELL_EDGE_BOTTOM, margins_.bottom);
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window.set_size_request(width_, height_);
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// Position needs to be set after calculating the height due to the
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// GTK layer shell anchors logic relying on the dimensions of the bar.
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setPosition(position);
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/* Read custom modes if available */
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if (auto modes = config.get("modes", {}); modes.isObject()) {
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from_json(modes, configured_modes);
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}
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/* Update "default" mode with the global bar options */
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from_json(config, configured_modes[MODE_DEFAULT]);
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if (auto mode = config.get("mode", {}); mode.isString()) {
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setMode(config["mode"].asString());
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} else {
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setMode(MODE_DEFAULT);
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}
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if (config["start_hidden"].asBool()) {
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setVisible(false);
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}
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window.signal_map_event().connect_notify(sigc::mem_fun(*this, &Bar::onMap));
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#if HAVE_SWAY
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if (auto ipc = config["ipc"]; ipc.isBool() && ipc.asBool()) {
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bar_id = Client::inst()->bar_id;
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if (auto id = config["id"]; id.isString()) {
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bar_id = id.asString();
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}
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if (bar_id.empty()) {
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bar_id = DEFAULT_BAR_ID;
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}
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try {
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_ipc_client = std::make_unique<BarIpcClient>(*this);
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} catch (const std::exception& exc) {
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spdlog::warn("Failed to open bar ipc connection: {}", exc.what());
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}
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}
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#endif
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setupWidgets();
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window.show_all();
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if (spdlog::should_log(spdlog::level::debug)) {
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// Unfortunately, this function isn't in the C++ bindings, so we have to call the C version.
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char* gtk_tree = gtk_style_context_to_string(
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window.get_style_context()->gobj(),
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(GtkStyleContextPrintFlags)(GTK_STYLE_CONTEXT_PRINT_RECURSE |
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GTK_STYLE_CONTEXT_PRINT_SHOW_STYLE));
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spdlog::debug("GTK widget tree:\n{}", gtk_tree);
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g_free(gtk_tree);
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}
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}
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/* Need to define it here because of forward declared members */
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waybar::Bar::~Bar() = default;
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void waybar::Bar::setMode(const std::string& mode) {
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using namespace std::literals::string_literals;
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auto style = window.get_style_context();
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/* remove styles added by previous setMode calls */
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style->remove_class("mode-"s + last_mode_);
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auto it = configured_modes.find(mode);
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if (it != configured_modes.end()) {
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last_mode_ = mode;
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style->add_class("mode-"s + last_mode_);
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setMode(it->second);
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} else {
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spdlog::warn("Unknown mode \"{}\" requested", mode);
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last_mode_ = MODE_DEFAULT;
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style->add_class("mode-"s + last_mode_);
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setMode(configured_modes.at(MODE_DEFAULT));
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}
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}
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void waybar::Bar::setMode(const struct bar_mode& mode) {
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auto* gtk_window = window.gobj();
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auto layer = GTK_LAYER_SHELL_LAYER_BOTTOM;
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if (mode.layer == bar_layer::TOP) {
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layer = GTK_LAYER_SHELL_LAYER_TOP;
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} else if (mode.layer == bar_layer::OVERLAY) {
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layer = GTK_LAYER_SHELL_LAYER_OVERLAY;
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}
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gtk_layer_set_layer(gtk_window, layer);
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if (mode.exclusive) {
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gtk_layer_auto_exclusive_zone_enable(gtk_window);
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} else {
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gtk_layer_set_exclusive_zone(gtk_window, 0);
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}
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setPassThrough(passthrough_ = mode.passthrough);
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if (mode.visible) {
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window.get_style_context()->remove_class("hidden");
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window.set_opacity(1);
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} else {
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window.get_style_context()->add_class("hidden");
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window.set_opacity(0);
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}
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}
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void waybar::Bar::setPassThrough(bool passthrough) {
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auto gdk_window = window.get_window();
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if (gdk_window) {
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Cairo::RefPtr<Cairo::Region> region;
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if (passthrough) {
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region = Cairo::Region::create();
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}
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gdk_window->input_shape_combine_region(region, 0, 0);
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}
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}
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void waybar::Bar::setPosition(Gtk::PositionType position) {
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std::array<gboolean, GTK_LAYER_SHELL_EDGE_ENTRY_NUMBER> anchors;
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anchors.fill(TRUE);
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auto orientation = (position == Gtk::POS_LEFT || position == Gtk::POS_RIGHT)
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? Gtk::ORIENTATION_VERTICAL
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: Gtk::ORIENTATION_HORIZONTAL;
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switch (position) {
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case Gtk::POS_LEFT:
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anchors[GTK_LAYER_SHELL_EDGE_RIGHT] = FALSE;
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break;
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case Gtk::POS_RIGHT:
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anchors[GTK_LAYER_SHELL_EDGE_LEFT] = FALSE;
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break;
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case Gtk::POS_BOTTOM:
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anchors[GTK_LAYER_SHELL_EDGE_TOP] = FALSE;
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break;
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default: /* Gtk::POS_TOP */
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anchors[GTK_LAYER_SHELL_EDGE_BOTTOM] = FALSE;
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break;
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};
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// Disable anchoring for other edges too if the width
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// or the height has been set to a value other than 'auto'
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// otherwise the bar will use all space
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uint32_t configured_width = config["width"].isUInt() ? config["width"].asUInt() : 0;
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uint32_t configured_height = config["height"].isUInt() ? config["height"].asUInt() : 0;
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if (orientation == Gtk::ORIENTATION_VERTICAL && configured_height > 1) {
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anchors[GTK_LAYER_SHELL_EDGE_TOP] = FALSE;
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anchors[GTK_LAYER_SHELL_EDGE_BOTTOM] = FALSE;
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} else if (orientation == Gtk::ORIENTATION_HORIZONTAL && configured_width > 1) {
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anchors[GTK_LAYER_SHELL_EDGE_LEFT] = FALSE;
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anchors[GTK_LAYER_SHELL_EDGE_RIGHT] = FALSE;
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}
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for (auto edge : {GTK_LAYER_SHELL_EDGE_LEFT, GTK_LAYER_SHELL_EDGE_RIGHT, GTK_LAYER_SHELL_EDGE_TOP,
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GTK_LAYER_SHELL_EDGE_BOTTOM}) {
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gtk_layer_set_anchor(window.gobj(), edge, anchors[edge]);
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}
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}
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void waybar::Bar::onMap(GdkEventAny*) {
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/*
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* Obtain a pointer to the custom layer surface for modules that require it (idle_inhibitor).
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*/
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auto gdk_window = window.get_window()->gobj();
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surface = gdk_wayland_window_get_wl_surface(gdk_window);
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configureGlobalOffset(gdk_window_get_width(gdk_window), gdk_window_get_height(gdk_window));
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setPassThrough(passthrough_);
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}
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void waybar::Bar::setVisible(bool value) {
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visible = value;
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if (auto mode = config.get("mode", {}); mode.isString()) {
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setMode(visible ? config["mode"].asString() : MODE_INVISIBLE);
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} else {
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setMode(visible ? MODE_DEFAULT : MODE_INVISIBLE);
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}
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}
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void waybar::Bar::toggle() { setVisible(!visible); }
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// Converting string to button code rn as to avoid doing it later
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void waybar::Bar::setupAltFormatKeyForModule(const std::string& module_name) {
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if (config.isMember(module_name)) {
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Json::Value& module = config[module_name];
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if (module.isMember("format-alt")) {
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if (module.isMember("format-alt-click")) {
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Json::Value& click = module["format-alt-click"];
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if (click.isString()) {
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if (click == "click-right") {
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module["format-alt-click"] = 3U;
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} else if (click == "click-middle") {
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module["format-alt-click"] = 2U;
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} else if (click == "click-backward") {
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module["format-alt-click"] = 8U;
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} else if (click == "click-forward") {
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module["format-alt-click"] = 9U;
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} else {
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module["format-alt-click"] = 1U; // default click-left
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}
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} else {
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module["format-alt-click"] = 1U;
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}
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} else {
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module["format-alt-click"] = 1U;
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}
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}
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}
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}
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void waybar::Bar::setupAltFormatKeyForModuleList(const char* module_list_name) {
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if (config.isMember(module_list_name)) {
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Json::Value& modules = config[module_list_name];
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for (const Json::Value& module_name : modules) {
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if (module_name.isString()) {
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auto ref = module_name.asString();
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if (ref.compare(0, 6, "group/") == 0 && ref.size() > 6) {
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Json::Value& group_modules = config[ref]["modules"];
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for (const Json::Value& module_name : group_modules) {
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if (module_name.isString()) {
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setupAltFormatKeyForModule(module_name.asString());
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}
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}
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} else {
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setupAltFormatKeyForModule(ref);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void waybar::Bar::handleSignal(int signal) {
|
|
for (auto& module : modules_all_) {
|
|
module->refresh(signal);
|
|
}
|
|
}
|
|
|
|
void waybar::Bar::getModules(const Factory& factory, const std::string& pos,
|
|
waybar::Group* group = nullptr) {
|
|
auto module_list = group ? config[pos]["modules"] : config[pos];
|
|
if (module_list.isArray()) {
|
|
for (const auto& name : module_list) {
|
|
try {
|
|
auto ref = name.asString();
|
|
AModule* module;
|
|
|
|
if (ref.compare(0, 6, "group/") == 0 && ref.size() > 6) {
|
|
auto hash_pos = ref.find('#');
|
|
auto id_name = ref.substr(6, hash_pos - 6);
|
|
auto class_name = hash_pos != std::string::npos ? ref.substr(hash_pos + 1) : "";
|
|
|
|
auto vertical = (group ? group->getBox().get_orientation() : box_.get_orientation()) ==
|
|
Gtk::ORIENTATION_VERTICAL;
|
|
|
|
auto group_module = new waybar::Group(id_name, class_name, config[ref], vertical);
|
|
getModules(factory, ref, group_module);
|
|
module = group_module;
|
|
} else {
|
|
module = factory.makeModule(ref, pos);
|
|
}
|
|
|
|
std::shared_ptr<AModule> module_sp(module);
|
|
modules_all_.emplace_back(module_sp);
|
|
if (group) {
|
|
group->addWidget(*module);
|
|
} else {
|
|
if (pos == "modules-left") {
|
|
modules_left_.emplace_back(module_sp);
|
|
}
|
|
if (pos == "modules-center") {
|
|
modules_center_.emplace_back(module_sp);
|
|
}
|
|
if (pos == "modules-right") {
|
|
modules_right_.emplace_back(module_sp);
|
|
}
|
|
}
|
|
module->dp.connect([module, ref] {
|
|
try {
|
|
module->update();
|
|
} catch (const std::exception& e) {
|
|
spdlog::error("{}: {}", ref, e.what());
|
|
}
|
|
});
|
|
} catch (const std::exception& e) {
|
|
spdlog::warn("module {}: {}", name.asString(), e.what());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
auto waybar::Bar::setupWidgets() -> void {
|
|
window.add(box_);
|
|
box_.pack_start(left_, false, false);
|
|
if (config["fixed-center"].isBool() ? config["fixed-center"].asBool() : true) {
|
|
box_.set_center_widget(center_);
|
|
} else {
|
|
box_.pack_start(center_, true, false);
|
|
}
|
|
box_.pack_end(right_, false, false);
|
|
|
|
// Convert to button code for every module that is used.
|
|
setupAltFormatKeyForModuleList("modules-left");
|
|
setupAltFormatKeyForModuleList("modules-right");
|
|
setupAltFormatKeyForModuleList("modules-center");
|
|
|
|
Factory factory(*this, config);
|
|
getModules(factory, "modules-left");
|
|
getModules(factory, "modules-center");
|
|
getModules(factory, "modules-right");
|
|
for (auto const& module : modules_left_) {
|
|
left_.pack_start(*module, false, false);
|
|
}
|
|
for (auto const& module : modules_center_) {
|
|
center_.pack_start(*module, false, false);
|
|
}
|
|
std::reverse(modules_right_.begin(), modules_right_.end());
|
|
for (auto const& module : modules_right_) {
|
|
right_.pack_end(*module, false, false);
|
|
}
|
|
}
|
|
|
|
void waybar::Bar::onConfigure(GdkEventConfigure* ev) {
|
|
/*
|
|
* GTK wants new size for the window.
|
|
* Actual resizing and management of the exclusve zone is handled within the gtk-layer-shell
|
|
* code. This event handler only updates stored size of the window and prints some warnings.
|
|
*
|
|
* Note: forced resizing to a window smaller than required by GTK would not work with
|
|
* gtk-layer-shell.
|
|
*/
|
|
if (orientation == Gtk::ORIENTATION_VERTICAL) {
|
|
if (width_ > 1 && ev->width > static_cast<int>(width_)) {
|
|
spdlog::warn(MIN_WIDTH_MSG, width_, ev->width);
|
|
}
|
|
} else {
|
|
if (height_ > 1 && ev->height > static_cast<int>(height_)) {
|
|
spdlog::warn(MIN_HEIGHT_MSG, height_, ev->height);
|
|
}
|
|
}
|
|
width_ = ev->width;
|
|
height_ = ev->height;
|
|
|
|
configureGlobalOffset(ev->width, ev->height);
|
|
spdlog::info(BAR_SIZE_MSG, ev->width, ev->height, output->name);
|
|
}
|
|
|
|
void waybar::Bar::configureGlobalOffset(int width, int height) {
|
|
auto monitor_geometry = *output->monitor->property_geometry().get_value().gobj();
|
|
int x;
|
|
int y;
|
|
switch (position) {
|
|
case Gtk::POS_BOTTOM:
|
|
if (width + margins_.left + margins_.right >= monitor_geometry.width)
|
|
x = margins_.left;
|
|
else
|
|
x = (monitor_geometry.width - width) / 2;
|
|
y = monitor_geometry.height - height - margins_.bottom;
|
|
break;
|
|
case Gtk::POS_LEFT:
|
|
x = margins_.left;
|
|
if (height + margins_.top + margins_.bottom >= monitor_geometry.height)
|
|
y = margins_.top;
|
|
else
|
|
y = (monitor_geometry.height - height) / 2;
|
|
break;
|
|
case Gtk::POS_RIGHT:
|
|
x = monitor_geometry.width - width - margins_.right;
|
|
if (height + margins_.top + margins_.bottom >= monitor_geometry.height)
|
|
y = margins_.top;
|
|
else
|
|
y = (monitor_geometry.height - height) / 2;
|
|
break;
|
|
default: /* Gtk::POS_TOP */
|
|
if (width + margins_.left + margins_.right >= monitor_geometry.width)
|
|
x = margins_.left;
|
|
else
|
|
x = (monitor_geometry.width - width) / 2;
|
|
y = margins_.top;
|
|
break;
|
|
}
|
|
|
|
x_global = x + monitor_geometry.x;
|
|
y_global = y + monitor_geometry.y;
|
|
}
|
|
|
|
void waybar::Bar::onOutputGeometryChanged() {
|
|
configureGlobalOffset(window.get_width(), window.get_height());
|
|
}
|