mirror of
https://github.com/rad4day/Waybar.git
synced 2023-12-21 10:22:59 +01:00
dde700f2c9
To enable: use sway >= 1.2, compile waybar with `-Dgtk-layer-shell=enabled` meson option. Original behavior could be restored at runtime by setting `"gtk-layer-shell": false` in waybar config.
417 lines
15 KiB
C++
417 lines
15 KiB
C++
#ifdef HAVE_GTK_LAYER_SHELL
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#include <gtk-layer-shell.h>
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#endif
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#include "bar.hpp"
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#include "client.hpp"
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#include "factory.hpp"
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#include <spdlog/spdlog.h>
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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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surface(nullptr),
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layer_surface_(nullptr),
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anchor_(ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP),
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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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window.get_style_context()->add_class(config["position"].asString());
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if (config["position"] == "right" || config["position"] == "left") {
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height_ = 0;
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width_ = 1;
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}
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height_ = config["height"].isUInt() ? config["height"].asUInt() : height_;
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width_ = config["width"].isUInt() ? config["width"].asUInt() : width_;
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if (config["position"] == "bottom") {
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anchor_ = ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM;
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} else if (config["position"] == "left") {
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anchor_ = ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT;
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} else if (config["position"] == "right") {
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anchor_ = ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
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}
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if (anchor_ == ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM ||
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anchor_ == ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP) {
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anchor_ |= ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT | ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
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} else if (anchor_ == ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT ||
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anchor_ == ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT) {
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anchor_ |= ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP | ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM;
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left_ = Gtk::Box(Gtk::ORIENTATION_VERTICAL, 0);
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center_ = Gtk::Box(Gtk::ORIENTATION_VERTICAL, 0);
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right_ = Gtk::Box(Gtk::ORIENTATION_VERTICAL, 0);
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box_ = Gtk::Box(Gtk::ORIENTATION_VERTICAL, 0);
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vertical = true;
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}
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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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#ifdef HAVE_GTK_LAYER_SHELL
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use_gls_ = config["gtk-layer-shell"].isBool() ? config["gtk-layer-shell"].asBool() : true;
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if (use_gls_) {
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initGtkLayerShell();
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}
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#endif
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window.signal_realize().connect_notify(sigc::mem_fun(*this, &Bar::onRealize));
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window.signal_map_event().connect_notify(sigc::mem_fun(*this, &Bar::onMap));
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window.signal_configure_event().connect_notify(sigc::mem_fun(*this, &Bar::onConfigure));
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window.set_size_request(width_, height_);
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setupWidgets();
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if (window.get_realized()) {
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onRealize();
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}
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window.show_all();
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}
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void waybar::Bar::onConfigure(GdkEventConfigure* ev) {
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auto tmp_height = height_;
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auto tmp_width = width_;
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if (ev->height > static_cast<int>(height_)) {
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// Default minimal value
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if (height_ != 1) {
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spdlog::warn(MIN_HEIGHT_MSG, height_, ev->height);
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}
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if (config["height"].isUInt()) {
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spdlog::info(SIZE_DEFINED, "Height");
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} else {
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tmp_height = ev->height;
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}
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}
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if (ev->width > static_cast<int>(width_)) {
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// Default minimal value
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if (width_ != 1) {
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spdlog::warn(MIN_WIDTH_MSG, width_, ev->width);
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}
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if (config["width"].isUInt()) {
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spdlog::info(SIZE_DEFINED, "Width");
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} else {
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tmp_width = ev->width;
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}
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}
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if (use_gls_) {
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width_ = tmp_width;
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height_ = tmp_height;
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spdlog::debug("Set surface size {}x{} for output {}", width_, height_, output->name);
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setExclusiveZone(tmp_width, tmp_height);
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} else if (tmp_width != width_ || tmp_height != height_) {
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setSurfaceSize(tmp_width, tmp_height);
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}
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}
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#ifdef HAVE_GTK_LAYER_SHELL
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void waybar::Bar::initGtkLayerShell() {
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auto gtk_window = window.gobj();
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// this has to be executed before GtkWindow.realize
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gtk_layer_init_for_window(gtk_window);
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gtk_layer_set_keyboard_interactivity(gtk_window, FALSE);
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auto layer = config["layer"] == "top" ? GTK_LAYER_SHELL_LAYER_TOP : GTK_LAYER_SHELL_LAYER_BOTTOM;
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gtk_layer_set_layer(gtk_window, layer);
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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_anchor(
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gtk_window, GTK_LAYER_SHELL_EDGE_LEFT, anchor_ & ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT);
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gtk_layer_set_anchor(
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gtk_window, GTK_LAYER_SHELL_EDGE_RIGHT, anchor_ & ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT);
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gtk_layer_set_anchor(
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gtk_window, GTK_LAYER_SHELL_EDGE_TOP, anchor_ & ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP);
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gtk_layer_set_anchor(
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gtk_window, GTK_LAYER_SHELL_EDGE_BOTTOM, anchor_ & ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM);
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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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}
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#endif
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void waybar::Bar::onRealize() {
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auto gdk_window = window.get_window()->gobj();
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gdk_wayland_window_set_use_custom_surface(gdk_window);
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}
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void waybar::Bar::onMap(GdkEventAny* ev) {
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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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if (use_gls_) {
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return;
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}
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auto client = waybar::Client::inst();
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// owned by output->monitor; no need to destroy
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auto wl_output = gdk_wayland_monitor_get_wl_output(output->monitor->gobj());
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auto layer =
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config["layer"] == "top" ? 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, wl_output, layer, "waybar");
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zwlr_layer_surface_v1_set_keyboard_interactivity(layer_surface_, false);
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zwlr_layer_surface_v1_set_anchor(layer_surface_, anchor_);
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zwlr_layer_surface_v1_set_margin(
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layer_surface_, margins_.top, margins_.right, margins_.bottom, margins_.left);
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setSurfaceSize(width_, height_);
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setExclusiveZone(width_, height_);
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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_, &layer_surface_listener, this);
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wl_surface_commit(surface);
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wl_display_roundtrip(client->wl_display);
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}
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void waybar::Bar::setExclusiveZone(uint32_t width, uint32_t height) {
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auto zone = 0;
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if (visible) {
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// exclusive zone already includes margin for anchored edge,
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// only opposite margin should be added
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if (vertical) {
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zone += width;
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zone += (anchor_ & ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT) ? margins_.right : margins_.left;
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} else {
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zone += height;
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zone += (anchor_ & ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP) ? margins_.bottom : margins_.top;
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}
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}
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spdlog::debug("Set exclusive zone {} for output {}", zone, output->name);
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#ifdef HAVE_GTK_LAYER_SHELL
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if (use_gls_) {
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gtk_layer_set_exclusive_zone(window.gobj(), zone);
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} else
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#endif
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{
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zwlr_layer_surface_v1_set_exclusive_zone(layer_surface_, zone);
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}
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}
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void waybar::Bar::setSurfaceSize(uint32_t width, uint32_t height) {
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/* If the client is anchored to two opposite edges, layer_surface.configure will return
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* size without margins for the axis.
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* layer_surface.set_size, however, expects size with margins for the anchored axis.
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* This is not specified by wlr-layer-shell and based on actual behavior of sway.
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*/
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if (vertical && height > 1) {
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height += margins_.top + margins_.bottom;
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}
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if (!vertical && width > 1) {
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width += margins_.right + margins_.left;
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}
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spdlog::debug("Set surface size {}x{} for output {}", width, height, output->name);
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zwlr_layer_surface_v1_set_size(layer_surface_, width, height);
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}
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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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setupAltFormatKeyForModule(module_name.asString());
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}
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}
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}
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}
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void waybar::Bar::handleSignal(int signal) {
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for (auto& module : modules_left_) {
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auto* custom = dynamic_cast<waybar::modules::Custom*>(module.get());
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if (custom != nullptr) {
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custom->refresh(signal);
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}
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}
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for (auto& module : modules_center_) {
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auto* custom = dynamic_cast<waybar::modules::Custom*>(module.get());
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if (custom != nullptr) {
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custom->refresh(signal);
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}
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}
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for (auto& module : modules_right_) {
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auto* custom = dynamic_cast<waybar::modules::Custom*>(module.get());
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if (custom != nullptr) {
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custom->refresh(signal);
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}
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}
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}
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void waybar::Bar::layerSurfaceHandleConfigure(void* data, struct zwlr_layer_surface_v1* surface,
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uint32_t serial, uint32_t width, uint32_t height) {
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auto o = static_cast<waybar::Bar*>(data);
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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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o->setExclusiveZone(width, height);
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spdlog::info(BAR_SIZE_MSG,
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o->width_ == 1 ? "auto" : std::to_string(o->width_),
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o->height_ == 1 ? "auto" : std::to_string(o->height_),
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o->output->name);
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wl_surface_commit(o->surface);
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}
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zwlr_layer_surface_v1_ack_configure(surface, serial);
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}
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void waybar::Bar::layerSurfaceHandleClosed(void* data, struct zwlr_layer_surface_v1* /*surface*/) {
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auto o = static_cast<waybar::Bar*>(data);
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if (o->layer_surface_) {
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zwlr_layer_surface_v1_destroy(o->layer_surface_);
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o->layer_surface_ = nullptr;
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}
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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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visible = !visible;
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if (!visible) {
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window.get_style_context()->add_class("hidden");
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window.set_opacity(0);
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} else {
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window.get_style_context()->remove_class("hidden");
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window.set_opacity(1);
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}
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setExclusiveZone(width_, height_);
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wl_surface_commit(surface);
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}
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void waybar::Bar::getModules(const Factory& factory, const std::string& pos) {
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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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spdlog::error("{}: {}", name.asString(), e.what());
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}
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});
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} catch (const std::exception& e) {
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spdlog::warn("module {}: {}", name.asString(), e.what());
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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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window.add(box_);
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box_.pack_start(left_, false, false);
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box_.set_center_widget(center_);
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box_.pack_end(right_, false, false);
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// Convert to button code for every module that is used.
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setupAltFormatKeyForModuleList("modules-left");
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setupAltFormatKeyForModuleList("modules-right");
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setupAltFormatKeyForModuleList("modules-center");
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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, false);
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}
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for (auto const& module : modules_center_) {
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center_.pack_start(*module, false, false);
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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);
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}
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}
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