waybar/src/bar.cpp
2019-05-09 10:30:54 +02:00

262 lines
9.1 KiB
C++

#include "bar.hpp"
#include "client.hpp"
#include "factory.hpp"
waybar::Bar::Bar(struct waybar_output* w_output, const Json::Value& w_config)
: output(w_output),
config(w_config),
window{Gtk::WindowType::WINDOW_TOPLEVEL},
surface(nullptr),
layer_surface(nullptr),
left_(Gtk::ORIENTATION_HORIZONTAL, 0),
center_(Gtk::ORIENTATION_HORIZONTAL, 0),
right_(Gtk::ORIENTATION_HORIZONTAL, 0),
box_(Gtk::ORIENTATION_HORIZONTAL, 0) {
window.set_title("waybar");
window.set_name("waybar");
window.set_decorated(false);
if (config["position"] == "right" || config["position"] == "left") {
height_ = 0;
width_ = 1;
}
window.set_size_request(width_, height_);
auto gtk_window = window.gobj();
auto gtk_widget = GTK_WIDGET(gtk_window);
gtk_widget_realize(gtk_widget);
auto gdk_window = window.get_window()->gobj();
gdk_wayland_window_set_use_custom_surface(gdk_window);
surface = gdk_wayland_window_get_wl_surface(gdk_window);
std::size_t layer = config["layer"] == "top" ? ZWLR_LAYER_SHELL_V1_LAYER_TOP
: ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM;
auto client = waybar::Client::inst();
layer_surface = zwlr_layer_shell_v1_get_layer_surface(
client->layer_shell, surface, output->output, layer, "waybar");
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);
auto height = config["height"].isUInt() ? config["height"].asUInt() : height_;
auto width = config["width"].isUInt() ? config["width"].asUInt() : width_;
window.signal_configure_event().connect_notify([&](GdkEventConfigure* ev) {
auto tmp_height = height_;
auto tmp_width = width_;
if (ev->height > static_cast<int>(height_)) {
// Default minimal value
if (height_ != 1) {
std::cout << fmt::format(MIN_HEIGHT_MSG, height_, ev->height) << std::endl;
}
if (config["height"].isUInt()) {
std::cout << fmt::format(SIZE_DEFINED, "Height") << std::endl;
} else {
tmp_height = ev->height;
}
}
if (ev->width > static_cast<int>(width_)) {
// Default minimal value
if (width_ != 1) {
std::cout << fmt::format(MIN_WIDTH_MSG, width_, ev->width) << std::endl;
}
if (config["width"].isUInt()) {
std::cout << fmt::format(SIZE_DEFINED, "Width") << std::endl;
} else {
tmp_width = ev->width;
}
}
if (tmp_width != width_ || tmp_height != height_) {
zwlr_layer_surface_v1_set_size(layer_surface, tmp_width, tmp_height);
}
});
std::size_t anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP;
if (config["position"] == "bottom") {
anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM;
} else if (config["position"] == "left") {
anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT;
} else if (config["position"] == "right") {
anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
}
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;
}
zwlr_layer_surface_v1_set_anchor(layer_surface, anchor);
zwlr_layer_surface_v1_set_exclusive_zone(layer_surface, vertical ? width : height);
zwlr_layer_surface_v1_set_size(layer_surface, width, height);
wl_surface_commit(surface);
wl_display_roundtrip(client->wl_display);
setupWidgets();
}
// Converting string to button code rn as to avoid doing it later
void waybar::Bar::setupAltFormatKeyForModule(const std::string& module_name) {
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()) {
if (click == "click-right") {
module["format-alt-click"] = 3U;
} else if (click == "click-middle") {
module["format-alt-click"] = 2U;
} else if (click == "click-backward") {
module["format-alt-click"] = 8U;
} else if (click == "click-forward") {
module["format-alt-click"] = 9U;
} else {
module["format-alt-click"] = 1U; // default click-left
}
} else {
module["format-alt-click"] = 1U;
}
} else {
module["format-alt-click"] = 1U;
}
}
}
}
void waybar::Bar::setupAltFormatKeyForModuleList(const char* module_list_name) {
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());
}
}
}
}
void waybar::Bar::handleSignal(int signal) {
for (auto& module : modules_left_) {
auto* custom = dynamic_cast<waybar::modules::Custom*>(module.get());
if (custom != nullptr) {
custom->refresh(signal);
}
}
for (auto& module : modules_center_) {
auto* custom = dynamic_cast<waybar::modules::Custom*>(module.get());
if (custom != nullptr) {
custom->refresh(signal);
}
}
for (auto& module : modules_right_) {
auto* custom = dynamic_cast<waybar::modules::Custom*>(module.get());
if (custom != nullptr) {
custom->refresh(signal);
}
}
}
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);
if (width != o->width_ || height != o->height_) {
o->width_ = width;
o->height_ = height;
o->window.set_size_request(o->width_, o->height_);
o->window.resize(o->width_, o->height_);
zwlr_layer_surface_v1_set_exclusive_zone(o->layer_surface,
o->vertical ? o->width_ : o->height_);
std::cout << fmt::format(BAR_SIZE_MSG,
o->width_ == 1 ? "auto" : std::to_string(o->width_),
o->height_ == 1 ? "auto" : std::to_string(o->height_),
o->output->name)
<< std::endl;
wl_surface_commit(o->surface);
}
zwlr_layer_surface_v1_ack_configure(surface, serial);
}
void waybar::Bar::layerSurfaceHandleClosed(void* data, struct zwlr_layer_surface_v1* /*surface*/) {
auto o = static_cast<waybar::Bar*>(data);
zwlr_layer_surface_v1_destroy(o->layer_surface);
o->modules_left_.clear();
o->modules_center_.clear();
o->modules_right_.clear();
}
auto waybar::Bar::toggle() -> void {
visible = !visible;
auto zone = visible ? height_ : 0;
if (!visible) {
window.get_style_context()->add_class("hidden");
} else {
window.get_style_context()->remove_class("hidden");
}
zwlr_layer_surface_v1_set_exclusive_zone(layer_surface, zone);
wl_surface_commit(surface);
}
void waybar::Bar::getModules(const Factory& factory, const std::string& pos) {
if (config[pos].isArray()) {
for (const auto& name : config[pos]) {
try {
auto module = factory.makeModule(name.asString());
if (pos == "modules-left") {
modules_left_.emplace_back(module);
}
if (pos == "modules-center") {
modules_center_.emplace_back(module);
}
if (pos == "modules-right") {
modules_right_.emplace_back(module);
}
module->dp.connect([module, &name] {
try {
module->update();
} catch (const std::exception& e) {
std::cerr << name.asString() + ": " + e.what() << std::endl;
}
});
} catch (const std::exception& e) {
std::cerr << e.what() << std::endl;
}
}
}
}
auto waybar::Bar::setupWidgets() -> void {
window.add(box_);
box_.pack_start(left_, true, true);
box_.set_center_widget(center_);
box_.pack_end(right_, true, true);
// 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, true, 0);
}
for (auto const& module : modules_center_) {
center_.pack_start(*module, true, true, 0);
}
std::reverse(modules_right_.begin(), modules_right_.end());
for (auto const& module : modules_right_) {
right_.pack_end(*module, false, false, 0);
}
window.show_all();
}