Waybar/src/bar.cpp

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#include "bar.hpp"
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#include <spdlog/spdlog.h>
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#include "client.hpp"
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#include "factory.hpp"
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waybar::Bar::Bar(struct waybar_output* w_output, const Json::Value& w_config)
: output(w_output),
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config(w_config),
window{Gtk::WindowType::WINDOW_TOPLEVEL},
surface(nullptr),
layer_surface(nullptr),
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anchor_(ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP),
left_(Gtk::ORIENTATION_HORIZONTAL, 0),
center_(Gtk::ORIENTATION_HORIZONTAL, 0),
right_(Gtk::ORIENTATION_HORIZONTAL, 0),
box_(Gtk::ORIENTATION_HORIZONTAL, 0) {
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window.set_title("waybar");
window.set_name("waybar");
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window.set_decorated(false);
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if (config["position"] == "right" || config["position"] == "left") {
height_ = 0;
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width_ = 1;
}
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height_ = config["height"].isUInt() ? config["height"].asUInt() : height_;
width_ = config["width"].isUInt() ? config["width"].asUInt() : width_;
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window.signal_realize().connect_notify(sigc::mem_fun(*this, &Bar::onRealize));
window.signal_map_event().connect_notify(sigc::mem_fun(*this, &Bar::onMap));
window.signal_configure_event().connect_notify(sigc::mem_fun(*this, &Bar::onConfigure));
window.set_size_request(width_, height_);
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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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if (anchor_ == ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM ||
anchor_ == ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP) {
anchor_ |= ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT | ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
} else if (anchor_ == ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT ||
anchor_ == ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT) {
anchor_ |= ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP | ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM;
left_ = Gtk::Box(Gtk::ORIENTATION_VERTICAL, 0);
center_ = Gtk::Box(Gtk::ORIENTATION_VERTICAL, 0);
right_ = Gtk::Box(Gtk::ORIENTATION_VERTICAL, 0);
box_ = Gtk::Box(Gtk::ORIENTATION_VERTICAL, 0);
vertical = true;
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}
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setupWidgets();
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if (window.get_realized()) {
onRealize();
}
window.show_all();
}
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void waybar::Bar::onConfigure(GdkEventConfigure* ev) {
auto tmp_height = height_;
auto tmp_width = width_;
if (ev->height > static_cast<int>(height_)) {
// Default minimal value
if (height_ != 1) {
spdlog::warn(MIN_HEIGHT_MSG, height_, ev->height);
}
if (config["height"].isUInt()) {
spdlog::info(SIZE_DEFINED, "Height");
} else {
tmp_height = ev->height;
}
}
if (ev->width > static_cast<int>(width_)) {
// Default minimal value
if (width_ != 1) {
spdlog::warn(MIN_WIDTH_MSG, width_, ev->width);
}
if (config["width"].isUInt()) {
spdlog::info(SIZE_DEFINED, "Width");
} else {
tmp_width = ev->width;
}
}
if (tmp_width != width_ || tmp_height != height_) {
zwlr_layer_surface_v1_set_size(layer_surface, tmp_width, tmp_height);
}
}
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void waybar::Bar::onRealize() {
auto gdk_window = window.get_window()->gobj();
gdk_wayland_window_set_use_custom_surface(gdk_window);
}
void waybar::Bar::onMap(GdkEventAny* ev) {
auto gdk_window = window.get_window()->gobj();
surface = gdk_wayland_window_get_wl_surface(gdk_window);
auto client = waybar::Client::inst();
auto layer =
config["layer"] == "top" ? ZWLR_LAYER_SHELL_V1_LAYER_TOP : ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM;
layer_surface = zwlr_layer_shell_v1_get_layer_surface(
client->layer_shell, surface, output->output, layer, "waybar");
zwlr_layer_surface_v1_set_keyboard_interactivity(layer_surface, false);
zwlr_layer_surface_v1_set_anchor(layer_surface, anchor_);
zwlr_layer_surface_v1_set_size(layer_surface, width_, height_);
setMarginsAndZone(height_, width_);
static const struct zwlr_layer_surface_v1_listener layer_surface_listener = {
.configure = layerSurfaceHandleConfigure,
.closed = layerSurfaceHandleClosed,
};
zwlr_layer_surface_v1_add_listener(layer_surface, &layer_surface_listener, this);
wl_surface_commit(surface);
wl_display_roundtrip(client->wl_display);
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}
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void waybar::Bar::setMarginsAndZone(uint32_t height, uint32_t width) {
if (config["margin-top"].isInt() || config["margin-right"].isInt() ||
config["margin-bottom"].isInt() || config["margin-left"].isInt()) {
margins_ = {
config["margin-top"].isInt() ? config["margin-top"].asInt() : 0,
config["margin-right"].isInt() ? config["margin-right"].asInt() : 0,
config["margin-bottom"].isInt() ? config["margin-bottom"].asInt() : 0,
config["margin-left"].isInt() ? config["margin-left"].asInt() : 0,
};
} else if (config["margin"].isString()) {
std::istringstream iss(config["margin"].asString());
std::vector<std::string> margins{std::istream_iterator<std::string>(iss), {}};
try {
if (margins.size() == 1) {
auto gaps = std::stoi(margins[0], nullptr, 10);
margins_ = {.top = gaps, .right = gaps, .bottom = gaps, .left = gaps};
}
if (margins.size() == 2) {
auto vertical_margins = std::stoi(margins[0], nullptr, 10);
auto horizontal_margins = std::stoi(margins[1], nullptr, 10);
margins_ = {.top = vertical_margins,
.right = horizontal_margins,
.bottom = vertical_margins,
.left = horizontal_margins};
}
if (margins.size() == 3) {
auto horizontal_margins = std::stoi(margins[1], nullptr, 10);
margins_ = {.top = std::stoi(margins[0], nullptr, 10),
.right = horizontal_margins,
.bottom = std::stoi(margins[2], nullptr, 10),
.left = horizontal_margins};
}
if (margins.size() == 4) {
margins_ = {.top = std::stoi(margins[0], nullptr, 10),
.right = std::stoi(margins[1], nullptr, 10),
.bottom = std::stoi(margins[2], nullptr, 10),
.left = std::stoi(margins[3], nullptr, 10)};
}
} catch (...) {
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spdlog::warn("Invalid margins: {}", config["margin"].asString());
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}
} else if (config["margin"].isInt()) {
auto gaps = config["margin"].asInt();
margins_ = {.top = gaps, .right = gaps, .bottom = gaps, .left = gaps};
}
zwlr_layer_surface_v1_set_margin(
layer_surface, margins_.top, margins_.right, margins_.bottom, margins_.left);
auto zone = vertical ? width + margins_.right : height + margins_.bottom;
zwlr_layer_surface_v1_set_exclusive_zone(layer_surface, zone);
}
// Converting string to button code rn as to avoid doing it later
void waybar::Bar::setupAltFormatKeyForModule(const std::string& module_name) {
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if (config.isMember(module_name)) {
Json::Value& module = config[module_name];
if (module.isMember("format-alt")) {
if (module.isMember("format-alt-click")) {
Json::Value& click = module["format-alt-click"];
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;
} else {
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module["format-alt-click"] = 1U; // default click-left
}
} else {
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module["format-alt-click"] = 1U;
}
} else {
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module["format-alt-click"] = 1U;
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}
}
}
}
void waybar::Bar::setupAltFormatKeyForModuleList(const char* module_list_name) {
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if (config.isMember(module_list_name)) {
Json::Value& modules = config[module_list_name];
for (const Json::Value& module_name : modules) {
if (module_name.isString()) {
setupAltFormatKeyForModule(module_name.asString());
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}
}
}
}
void waybar::Bar::handleSignal(int signal) {
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for (auto& module : modules_left_) {
auto* custom = dynamic_cast<waybar::modules::Custom*>(module.get());
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if (custom != nullptr) {
custom->refresh(signal);
}
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}
for (auto& module : modules_center_) {
auto* custom = dynamic_cast<waybar::modules::Custom*>(module.get());
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if (custom != nullptr) {
custom->refresh(signal);
}
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}
for (auto& module : modules_right_) {
auto* custom = dynamic_cast<waybar::modules::Custom*>(module.get());
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if (custom != nullptr) {
custom->refresh(signal);
}
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}
}
void waybar::Bar::layerSurfaceHandleConfigure(void* data, struct zwlr_layer_surface_v1* surface,
uint32_t serial, uint32_t width, uint32_t height) {
auto o = static_cast<waybar::Bar*>(data);
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if (width != o->width_ || height != o->height_) {
o->width_ = width;
o->height_ = height;
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o->window.set_size_request(o->width_, o->height_);
o->window.resize(o->width_, o->height_);
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auto zone = o->vertical ? width + o->margins_.right : height + o->margins_.bottom;
zwlr_layer_surface_v1_set_exclusive_zone(o->layer_surface, zone);
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spdlog::info(BAR_SIZE_MSG,
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o->width_ == 1 ? "auto" : std::to_string(o->width_),
o->height_ == 1 ? "auto" : std::to_string(o->height_),
o->output->name);
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wl_surface_commit(o->surface);
}
zwlr_layer_surface_v1_ack_configure(surface, serial);
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}
void waybar::Bar::layerSurfaceHandleClosed(void* data, struct zwlr_layer_surface_v1* /*surface*/) {
auto o = static_cast<waybar::Bar*>(data);
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if (o->layer_surface) {
zwlr_layer_surface_v1_destroy(o->layer_surface);
o->layer_surface = nullptr;
}
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o->modules_left_.clear();
o->modules_center_.clear();
o->modules_right_.clear();
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}
auto waybar::Bar::toggle() -> void {
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visible = !visible;
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auto zone = visible ? height_ : 0;
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if (!visible) {
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window.get_style_context()->add_class("hidden");
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} else {
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window.get_style_context()->remove_class("hidden");
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}
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zwlr_layer_surface_v1_set_exclusive_zone(layer_surface, zone);
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wl_surface_commit(surface);
}
void waybar::Bar::getModules(const Factory& factory, const std::string& pos) {
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if (config[pos].isArray()) {
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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}
if (pos == "modules-center") {
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modules_center_.emplace_back(module);
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}
if (pos == "modules-right") {
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modules_right_.emplace_back(module);
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}
module->dp.connect([module, &name] {
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// Fix https://github.com/Alexays/Waybar/issues/320, proper way?
Glib::signal_idle().connect_once([module, &name] {
try {
module->update();
} catch (const std::exception& e) {
spdlog::error("{}: {}", name.asString(), e.what());
}
});
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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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}
}
}
}
auto waybar::Bar::setupWidgets() -> void {
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window.add(box_);
box_.pack_start(left_, true, true);
box_.set_center_widget(center_);
box_.pack_end(right_, true, true);
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// Convert to button code for every module that is used.
setupAltFormatKeyForModuleList("modules-left");
setupAltFormatKeyForModuleList("modules-right");
setupAltFormatKeyForModuleList("modules-center");
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Factory factory(*this, config);
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getModules(factory, "modules-left");
getModules(factory, "modules-center");
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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}