228 lines
7.1 KiB
C++
228 lines
7.1 KiB
C++
#include "bar.hpp"
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#include "client.hpp"
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#include "factory.hpp"
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#include "util/json.hpp"
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waybar::Bar::Bar(const Client& client,
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std::unique_ptr<struct wl_output *> &&p_output, uint32_t p_wl_name)
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: client(client), window{Gtk::WindowType::WINDOW_TOPLEVEL},
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surface(nullptr), layer_surface(nullptr),
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output(std::move(p_output)), wl_name(p_wl_name)
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{
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static const struct zxdg_output_v1_listener xdgOutputListener = {
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.logical_position = handleLogicalPosition,
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.logical_size = handleLogicalSize,
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.done = handleDone,
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.name = handleName,
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.description = handleDescription,
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};
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xdg_output_ =
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zxdg_output_manager_v1_get_xdg_output(client.xdg_output_manager, *output);
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zxdg_output_v1_add_listener(xdg_output_, &xdgOutputListener, this);
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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.set_resizable(false);
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setupConfig();
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setupCss();
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auto wrap = reinterpret_cast<GtkWidget*>(window.gobj());
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gtk_widget_realize(wrap);
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GdkWindow *gdk_window = gtk_widget_get_window(wrap);
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gdk_wayland_window_set_use_custom_surface(gdk_window);
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surface = gdk_wayland_window_get_wl_surface(gdk_window);
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std::size_t layer_top = config_["layer"] == "top"
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? ZWLR_LAYER_SHELL_V1_LAYER_TOP : ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM;
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layer_surface = zwlr_layer_shell_v1_get_layer_surface(
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client.layer_shell, surface, *output, layer_top, "waybar");
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static const struct zwlr_layer_surface_v1_listener layer_surface_listener = {
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.configure = layerSurfaceHandleConfigure,
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.closed = layerSurfaceHandleClosed,
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};
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zwlr_layer_surface_v1_add_listener(layer_surface,
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&layer_surface_listener, this);
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std::size_t anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT
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| ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
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if (config_["position"] == "bottom") {
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anchor |= ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM;
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} else {
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anchor |= ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP;
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}
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auto height = config_["height"].isUInt() ? config_["height"].asUInt() : height_;
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auto width = config_["width"].isUInt() ? config_["width"].asUInt() : width_;
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zwlr_layer_surface_v1_set_anchor(layer_surface, anchor);
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zwlr_layer_surface_v1_set_exclusive_zone(layer_surface, height);
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zwlr_layer_surface_v1_set_size(layer_surface, width, height);
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wl_surface_commit(surface);
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setupWidgets();
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}
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void waybar::Bar::handleLogicalPosition(void* /*data*/,
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struct zxdg_output_v1* /*zxdg_output_v1*/, int32_t /*x*/, int32_t /*y*/)
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{
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// Nothing here
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}
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void waybar::Bar::handleLogicalSize(void* /*data*/,
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struct zxdg_output_v1* /*zxdg_output_v1*/, int32_t /*width*/,
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int32_t /*height*/)
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{
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// Nothing here
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}
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void waybar::Bar::handleDone(void* /*data*/,
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struct zxdg_output_v1* /*zxdg_output_v1*/)
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{
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// Nothing here
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}
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void waybar::Bar::handleName(void* data, struct zxdg_output_v1* /*xdg_output*/,
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const char* name)
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{
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auto o = static_cast<waybar::Bar *>(data);
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o->output_name = name;
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}
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void waybar::Bar::handleDescription(void* /*data*/,
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struct zxdg_output_v1* /*zxdg_output_v1*/, const char* /*description*/)
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{
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// Nothing here
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}
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void waybar::Bar::layerSurfaceHandleConfigure(void* data,
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struct zwlr_layer_surface_v1* surface, uint32_t serial, uint32_t width,
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uint32_t height)
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{
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auto o = static_cast<waybar::Bar *>(data);
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o->window.show_all();
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zwlr_layer_surface_v1_ack_configure(surface, serial);
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if (width != o->width_ || height != o->height_) {
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o->width_ = width;
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o->height_ = height;
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o->window.set_size_request(o->width_, o->height_);
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o->window.resize(o->width_, o->height_);
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int dummy_width, min_height;
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o->window.get_size(dummy_width, min_height);
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if (o->height_ < static_cast<uint32_t>(min_height)) {
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std::cout << fmt::format("Requested height: {} exceeds the minimum \
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height: {} required by the modules", o->height_, min_height) << std::endl;
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o->height_ = min_height;
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}
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std::cout << fmt::format(
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"Bar configured (width: {}, height: {}) for output: {}",
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o->width_, o->height_, o->output_name) << std::endl;
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wl_surface_commit(o->surface);
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}
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}
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void waybar::Bar::layerSurfaceHandleClosed(void* data,
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struct zwlr_layer_surface_v1* /*surface*/)
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{
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auto o = static_cast<waybar::Bar *>(data);
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std::cout << "Bar removed from output: " + o->output_name << std::endl;
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zwlr_layer_surface_v1_destroy(o->layer_surface);
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wl_output_destroy(*o->output);
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zxdg_output_v1_destroy(o->xdg_output_);
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o->modules_left_.clear();
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o->modules_center_.clear();
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o->modules_right_.clear();
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}
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auto waybar::Bar::toggle() -> void
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{
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visible = !visible;
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auto zone = visible ? height_ : 0;
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zwlr_layer_surface_v1_set_exclusive_zone(layer_surface, zone);
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wl_surface_commit(surface);
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}
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auto waybar::Bar::setupConfig() -> void
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{
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std::ifstream file(client.config_file);
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if (!file.is_open()) {
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throw std::runtime_error("Can't open config file");
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}
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std::string str((std::istreambuf_iterator<char>(file)),
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std::istreambuf_iterator<char>());
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util::JsonParser parser;
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config_ = parser.parse(str);
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}
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auto waybar::Bar::setupCss() -> void
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{
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css_provider_ = Gtk::CssProvider::create();
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style_context_ = Gtk::StyleContext::create();
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// Load our css file, wherever that may be hiding
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if (css_provider_->load_from_path(client.css_file)) {
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Glib::RefPtr<Gdk::Screen> screen = window.get_screen();
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style_context_->add_provider_for_screen(screen, css_provider_,
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GTK_STYLE_PROVIDER_PRIORITY_USER);
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}
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}
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void waybar::Bar::getModules(const Factory& factory, const std::string& pos)
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{
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if (config_[pos].isArray()) {
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for (const auto &name : config_[pos]) {
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try {
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auto module = factory.makeModule(name.asString());
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if (pos == "modules-left") {
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modules_left_.emplace_back(module);
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}
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if (pos == "modules-center") {
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modules_center_.emplace_back(module);
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}
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if (pos == "modules-right") {
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modules_right_.emplace_back(module);
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}
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module->dp.connect([module, &name] {
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try {
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module->update();
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} catch (const std::exception& e) {
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std::cerr << name.asString() + ": " + e.what() << std::endl;
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}
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});
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} catch (const std::exception& e) {
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std::cerr << e.what() << std::endl;
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}
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}
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}
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}
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auto waybar::Bar::setupWidgets() -> void
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{
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auto &left = *Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_HORIZONTAL, 0));
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auto ¢er = *Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_HORIZONTAL, 0));
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auto &right = *Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_HORIZONTAL, 0));
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auto &box = *Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_HORIZONTAL, 0));
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window.add(box);
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box.pack_start(left, true, true);
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box.set_center_widget(center);
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box.pack_end(right, true, true);
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Factory factory(*this, config_);
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getModules(factory, "modules-left");
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getModules(factory, "modules-center");
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getModules(factory, "modules-right");
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for (auto const& module : modules_left_) {
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left.pack_start(*module, false, true, 0);
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}
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for (auto const& module : modules_center_) {
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center.pack_start(*module, true, true, 0);
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}
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std::reverse(modules_right_.begin(), modules_right_.end());
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for (auto const& module : modules_right_) {
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right.pack_end(*module, false, false, 0);
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}
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}
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