Waybar/src/modules/wlr/taskbar.cpp

659 lines
19 KiB
C++

#include "modules/wlr/taskbar.hpp"
#include "glibmm/refptr.h"
#include "util/format.hpp"
#include <algorithm>
#include <cctype>
#include <cstring>
#include <memory>
#include <sstream>
#include <gdkmm/monitor.h>
#include <gtkmm/icontheme.h>
#include <giomm/desktopappinfo.h>
#include <spdlog/spdlog.h>
namespace waybar::modules::wlr {
/* Icon loading functions */
/* Method 1 - get the correct icon name from the desktop file */
static std::string get_from_desktop_app_info(const std::string &app_id)
{
Glib::RefPtr<Gio::DesktopAppInfo> app_info;
std::vector<std::string> prefixes = {
"",
"/usr/share/applications/",
"/usr/share/applications/kde/",
"/usr/share/applications/org.kde.",
"/usr/local/share/applications/",
"/usr/local/share/applications/org.kde.",
};
std::string lower_app_id = app_id;
std::transform(std::begin(lower_app_id), std::end(lower_app_id), std::begin(lower_app_id),
[](unsigned char c) { return std::tolower(c); });
std::vector<std::string> app_id_variations = {
app_id,
lower_app_id
};
std::vector<std::string> suffixes = {
"",
".desktop"
};
for (auto& prefix : prefixes)
for (auto& id : app_id_variations)
for (auto& suffix : suffixes)
if (!app_info)
app_info = Gio::DesktopAppInfo::create_from_filename(prefix + id + suffix);
if (app_info)
return app_info->get_icon()->to_string();
return "";
}
/* Method 2 - use the app_id and check whether there is an icon with this name in the icon theme */
static std::string get_from_icon_theme(Glib::RefPtr<Gtk::IconTheme> icon_theme,
const std::string &app_id) {
if (icon_theme->lookup_icon(app_id, 24))
return app_id;
return "";
}
static bool image_load_icon(Gtk::Image& image, Glib::RefPtr<Gtk::IconTheme> icon_theme,
const std::string &app_id_list, int size)
{
std::string app_id;
std::istringstream stream(app_id_list);
bool found = false;
/* Wayfire sends a list of app-id's in space separated format, other compositors
* send a single app-id, but in any case this works fine */
while (stream >> app_id)
{
std::string icon_name = get_from_desktop_app_info(app_id);
if (icon_name.empty())
icon_name = get_from_icon_theme(icon_theme, app_id);
if (icon_name.empty())
continue;
auto pixbuf = icon_theme->load_icon(icon_name, size, Gtk::ICON_LOOKUP_FORCE_SIZE);
if (pixbuf) {
image.set(pixbuf);
found = true;
break;
}
}
return found;
}
/* Task class implementation */
uint32_t Task::global_id = 0;
static void tl_handle_title(void *data, struct zwlr_foreign_toplevel_handle_v1 *handle,
const char *title)
{
return static_cast<Task*>(data)->handle_title(title);
}
static void tl_handle_app_id(void *data, struct zwlr_foreign_toplevel_handle_v1 *handle,
const char *app_id)
{
return static_cast<Task*>(data)->handle_app_id(app_id);
}
static void tl_handle_output_enter(void *data, struct zwlr_foreign_toplevel_handle_v1 *handle,
struct wl_output *output)
{
return static_cast<Task*>(data)->handle_output_enter(output);
}
static void tl_handle_output_leave(void *data, struct zwlr_foreign_toplevel_handle_v1 *handle,
struct wl_output *output)
{
return static_cast<Task*>(data)->handle_output_leave(output);
}
static void tl_handle_state(void *data, struct zwlr_foreign_toplevel_handle_v1 *handle,
struct wl_array *state)
{
return static_cast<Task*>(data)->handle_state(state);
}
static void tl_handle_done(void *data, struct zwlr_foreign_toplevel_handle_v1 *handle)
{
return static_cast<Task*>(data)->handle_done();
}
static void tl_handle_closed(void *data, struct zwlr_foreign_toplevel_handle_v1 *handle)
{
return static_cast<Task*>(data)->handle_closed();
}
static const struct zwlr_foreign_toplevel_handle_v1_listener toplevel_handle_impl = {
.title = tl_handle_title,
.app_id = tl_handle_app_id,
.output_enter = tl_handle_output_enter,
.output_leave = tl_handle_output_leave,
.state = tl_handle_state,
.done = tl_handle_done,
.closed = tl_handle_closed,
};
Task::Task(const waybar::Bar &bar, const Json::Value &config, Taskbar *tbar,
struct zwlr_foreign_toplevel_handle_v1 *tl_handle, struct wl_seat *seat) :
bar_{bar}, config_{config}, tbar_{tbar}, handle_{tl_handle}, seat_{seat},
id_{global_id++},
content_{bar.vertical ? Gtk::ORIENTATION_VERTICAL : Gtk::ORIENTATION_HORIZONTAL, 0},
button_visible_{false}
{
zwlr_foreign_toplevel_handle_v1_add_listener(handle_, &toplevel_handle_impl, this);
button_.set_relief(Gtk::RELIEF_NONE);
content_.add(text_before_);
content_.add(icon_);
content_.add(text_after_);
content_.show();
button_.add(content_);
with_icon_ = false;
format_before_.clear();
format_after_.clear();
if (config_["format"].isString()) {
/* The user defined a format string, use it */
auto format = config_["format"].asString();
auto icon_pos = format.find("{icon}");
if (icon_pos == 0) {
with_icon_ = true;
format_after_ = format.substr(6);
} else if (icon_pos == std::string::npos) {
format_after_ = format;
} else {
with_icon_ = true;
format_before_ = format.substr(0, icon_pos);
format_after_ = format.substr(icon_pos + 6);
}
} else {
/* The default is to only show the icon */
with_icon_ = true;
}
/* Strip spaces at the beginning and end of the format strings */
if (!format_before_.empty() && format_before_.back() == ' ')
format_before_.pop_back();
if (!format_after_.empty() && format_after_.front() == ' ')
format_after_.erase(std::cbegin(format_after_));
format_tooltip_.clear();
if (!config_["tooltip"].isBool() || config_["tooltip"].asBool()) {
if (config_["tooltip-format"].isString())
format_tooltip_ = config_["tooltip-format"].asString();
else
format_tooltip_ = "{title}";
}
/* Handle click events if configured */
if (config_["on-click"].isString() || config_["on-click-middle"].isString()
|| config_["on-click-left"].isString()) {
button_.add_events(Gdk::BUTTON_PRESS_MASK);
button_.signal_button_press_event().connect(
sigc::mem_fun(*this, &Task::handle_clicked), false);
}
}
Task::~Task()
{
if (handle_) {
zwlr_foreign_toplevel_handle_v1_destroy(handle_);
handle_ = nullptr;
}
if (button_visible_) {
tbar_->remove_button(button_);
button_visible_ = false;
}
}
std::string Task::repr() const
{
std::stringstream ss;
ss << "Task (" << id_ << ") " << title_ << " [" << app_id_ << "] <"
<< (active() ? "A" : "a")
<< (maximized() ? "M" : "m")
<< (minimized() ? "I" : "i")
<< (fullscreen() ? "F" : "f")
<< ">";
return ss.str();
}
std::string Task::state_string(bool shortened) const
{
std::stringstream ss;
if (shortened)
ss << (minimized() ? "m" : "") << (maximized() ? "M" : "")
<< (active() ? "A" : "") << (fullscreen() ? "F" : "");
else
ss << (minimized() ? "minimized " : "") << (maximized() ? "maximized " : "")
<< (active() ? "active " : "") << (fullscreen() ? "fullscreen " : "");
std::string res = ss.str();
if (shortened || res.empty())
return res;
else
return res.substr(0, res.size() - 1);
}
void Task::handle_title(const char *title)
{
title_ = title;
}
void Task::handle_app_id(const char *app_id)
{
app_id_ = app_id;
if (!image_load_icon(icon_, tbar_->icon_theme(), app_id_,
config_["icon-size"].isInt() ? config_["icon-size"].asInt() : 16))
spdlog::warn("Failed to load icon for {}", app_id);
if (with_icon_)
icon_.show();
}
void Task::handle_output_enter(struct wl_output *output)
{
spdlog::debug("{} entered output {}", repr(), (void*)output);
if (!button_visible_ && (tbar_->all_outputs() || tbar_->show_output(output))) {
/* The task entered the output of the current bar make the button visible */
tbar_->add_button(button_);
button_.show();
button_visible_ = true;
spdlog::debug("{} now visible on {}", repr(), bar_.output->name);
}
}
void Task::handle_output_leave(struct wl_output *output)
{
spdlog::debug("{} left output {}", repr(), (void*)output);
if (button_visible_ && !tbar_->all_outputs() && tbar_->show_output(output)) {
/* The task left the output of the current bar, make the button invisible */
tbar_->remove_button(button_);
button_.hide();
button_visible_ = false;
spdlog::debug("{} now invisible on {}", repr(), bar_.output->name);
}
}
void Task::handle_state(struct wl_array *state)
{
state_ = 0;
for (uint32_t* entry = static_cast<uint32_t*>(state->data);
entry < static_cast<uint32_t*>(state->data) + state->size;
entry++) {
if (*entry == ZWLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MAXIMIZED)
state_ |= MAXIMIZED;
if (*entry == ZWLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MINIMIZED)
state_ |= MINIMIZED;
if (*entry == ZWLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_ACTIVATED)
state_ |= ACTIVE;
if (*entry == ZWLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_FULLSCREEN)
state_ |= FULLSCREEN;
}
}
void Task::handle_done()
{
spdlog::debug("{} changed", repr());
if (state_ & MAXIMIZED) {
button_.get_style_context()->add_class("maximized");
} else if (!(state_ & MAXIMIZED)) {
button_.get_style_context()->remove_class("maximized");
}
if (state_ & MINIMIZED) {
button_.get_style_context()->add_class("minimized");
} else if (!(state_ & MINIMIZED)) {
button_.get_style_context()->remove_class("minimized");
}
if (state_ & ACTIVE) {
button_.get_style_context()->add_class("active");
} else if (!(state_ & ACTIVE)) {
button_.get_style_context()->remove_class("active");
}
if (state_ & FULLSCREEN) {
button_.get_style_context()->add_class("fullscreen");
} else if (!(state_ & FULLSCREEN)) {
button_.get_style_context()->remove_class("fullscreen");
}
if (config_["active-first"].isBool() && config_["active-first"].asBool() && active())
tbar_->move_button(button_, 0);
tbar_->dp.emit();
}
void Task::handle_closed()
{
spdlog::debug("{} closed", repr());
zwlr_foreign_toplevel_handle_v1_destroy(handle_);
handle_ = nullptr;
if (button_visible_) {
tbar_->remove_button(button_);
button_visible_ = false;
}
tbar_->remove_task(id_);
}
bool Task::handle_clicked(GdkEventButton *bt)
{
std::string action;
if (config_["on-click"].isString() && bt->button == 1)
action = config_["on-click"].asString();
else if (config_["on-click-middle"].isString() && bt->button == 2)
action = config_["on-click-middle"].asString();
else if (config_["on-click-right"].isString() && bt->button == 3)
action = config_["on-click-right"].asString();
if (action.empty())
return true;
else if (action == "activate")
activate();
else if (action == "minimize")
minimize(!minimized());
else if (action == "maximize")
maximize(!maximized());
else if (action == "fullscreen")
fullscreen(!fullscreen());
else if (action == "close")
close();
else
spdlog::warn("Unknown action {}", action);
return true;
}
bool Task::operator==(const Task &o) const
{
return o.id_ == id_;
}
bool Task::operator!=(const Task &o) const
{
return o.id_ != id_;
}
void Task::update()
{
if (!format_before_.empty()) {
text_before_.set_label(
fmt::format(format_before_,
fmt::arg("title", title_),
fmt::arg("app_id", app_id_),
fmt::arg("state", state_string()),
fmt::arg("short_state", state_string(true))
)
);
text_before_.show();
}
if (!format_after_.empty()) {
text_after_.set_label(
fmt::format(format_before_,
fmt::arg("title", title_),
fmt::arg("app_id", app_id_),
fmt::arg("state", state_string()),
fmt::arg("short_state", state_string(true))
)
);
text_after_.show();
}
if (!format_tooltip_.empty()) {
button_.set_tooltip_markup(
fmt::format(format_tooltip_,
fmt::arg("title", title_),
fmt::arg("app_id", app_id_),
fmt::arg("state", state_string()),
fmt::arg("short_state", state_string(true))
)
);
}
}
void Task::maximize(bool set)
{
if (set)
zwlr_foreign_toplevel_handle_v1_set_maximized(handle_);
else
zwlr_foreign_toplevel_handle_v1_unset_maximized(handle_);
}
void Task::minimize(bool set)
{
if (set)
zwlr_foreign_toplevel_handle_v1_set_minimized(handle_);
else
zwlr_foreign_toplevel_handle_v1_unset_minimized(handle_);
}
void Task::activate()
{
zwlr_foreign_toplevel_handle_v1_activate(handle_, seat_);
}
void Task::fullscreen(bool set)
{
if (set)
zwlr_foreign_toplevel_handle_v1_set_fullscreen(handle_, nullptr);
else
zwlr_foreign_toplevel_handle_v1_unset_fullscreen(handle_);
}
void Task::close()
{
zwlr_foreign_toplevel_handle_v1_close(handle_);
}
/* Taskbar class implementation */
static void handle_global(void *data, struct wl_registry *registry, uint32_t name,
const char *interface, uint32_t version)
{
if (std::strcmp(interface, zwlr_foreign_toplevel_manager_v1_interface.name) == 0) {
static_cast<Taskbar*>(data)->register_manager(registry, name, version);
} else if (std::strcmp(interface, wl_seat_interface.name) == 0) {
static_cast<Taskbar*>(data)->register_seat(registry, name, version);
}
}
static void handle_global_remove(void *data, struct wl_registry *registry, uint32_t name)
{
/* Nothing to do here */
}
static const wl_registry_listener registry_listener_impl = {
.global = handle_global,
.global_remove = handle_global_remove
};
Taskbar::Taskbar(const std::string &id, const waybar::Bar &bar, const Json::Value &config)
: waybar::AModule(config, "taskbar", id, false, false),
bar_(bar),
box_{bar.vertical ? Gtk::ORIENTATION_VERTICAL : Gtk::ORIENTATION_HORIZONTAL, 0},
manager_{nullptr}, seat_{nullptr}
{
box_.set_name("taskbar");
if (!id.empty()) {
box_.get_style_context()->add_class(id);
}
event_box_.add(box_);
struct wl_display *display = Client::inst()->wl_display;
struct wl_registry *registry = wl_display_get_registry(display);
wl_registry_add_listener(registry, &registry_listener_impl, this);
wl_display_roundtrip(display);
if (!manager_) {
spdlog::error("Failed to register as toplevel manager");
return;
}
if (!seat_) {
spdlog::error("Failed to get wayland seat");
return;
}
/* Get the configured icon theme if specified */
if (config_["icon-theme"].isString()) {
icon_theme_ = Gtk::IconTheme::create();
icon_theme_->set_custom_theme(config_["icon-theme"].asString());
spdlog::debug("Use custom icon theme: {}.", config_["icon-theme"].asString());
} else {
spdlog::debug("Use system default icon theme");
icon_theme_ = Gtk::IconTheme::get_default();
}
}
Taskbar::~Taskbar()
{
if (manager_) {
zwlr_foreign_toplevel_manager_v1_destroy(manager_);
manager_ = nullptr;
}
}
void Taskbar::update()
{
for (auto& t : tasks_) {
t->update();
}
AModule::update();
}
static void tm_handle_toplevel(void *data, struct zwlr_foreign_toplevel_manager_v1 *manager,
struct zwlr_foreign_toplevel_handle_v1 *tl_handle)
{
return static_cast<Taskbar*>(data)->handle_toplevel_create(tl_handle);
}
static void tm_handle_finished(void *data, struct zwlr_foreign_toplevel_manager_v1 *manager)
{
return static_cast<Taskbar*>(data)->handle_finished();
}
static const struct zwlr_foreign_toplevel_manager_v1_listener toplevel_manager_impl = {
.toplevel = tm_handle_toplevel,
.finished = tm_handle_finished,
};
void Taskbar::register_manager(struct wl_registry *registry, uint32_t name, uint32_t version)
{
if (manager_) {
spdlog::warn("Register foreign toplevel manager again although already existing!");
return;
}
if (version != 2) {
spdlog::warn("Using different foreign toplevel manager protocol version: {}", version);
}
manager_ = static_cast<struct zwlr_foreign_toplevel_manager_v1 *>(wl_registry_bind(registry, name,
&zwlr_foreign_toplevel_manager_v1_interface, version));
if (manager_)
zwlr_foreign_toplevel_manager_v1_add_listener(manager_, &toplevel_manager_impl, this);
else
spdlog::debug("Failed to register manager");
}
void Taskbar::register_seat(struct wl_registry *registry, uint32_t name, uint32_t version)
{
if (seat_) {
spdlog::warn("Register seat again although already existing!");
return;
}
seat_ = static_cast<wl_seat*>(wl_registry_bind(registry, name, &wl_seat_interface, version));
}
void Taskbar::handle_toplevel_create(struct zwlr_foreign_toplevel_handle_v1 *tl_handle)
{
tasks_.push_back(std::make_unique<Task>(bar_, config_, this, tl_handle, seat_));
}
void Taskbar::handle_finished()
{
zwlr_foreign_toplevel_manager_v1_destroy(manager_);
manager_ = nullptr;
}
void Taskbar::add_button(Gtk::Button &bt)
{
box_.pack_start(bt, false, false);
}
void Taskbar::move_button(Gtk::Button &bt, int pos)
{
box_.reorder_child(bt, pos);
}
void Taskbar::remove_button(Gtk::Button &bt)
{
box_.remove(bt);
}
void Taskbar::remove_task(uint32_t id)
{
auto it = std::find_if(std::begin(tasks_), std::end(tasks_),
[id](const TaskPtr &p) { return p->id() == id; });
if (it == std::end(tasks_)) {
spdlog::warn("Can't find task with id {}", id);
return;
}
tasks_.erase(it);
}
bool Taskbar::show_output(struct wl_output *output) const
{
return output == gdk_wayland_monitor_get_wl_output(bar_.output->monitor->gobj());
}
bool Taskbar::all_outputs() const
{
static bool result = config_["all_outputs"].isBool() ? config_["all_outputs"].asBool() : false;
return result;
}
Glib::RefPtr<Gtk::IconTheme> Taskbar::icon_theme() const
{
return icon_theme_;
}
} /* namespace waybar::modules::wlr */