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sway/window: Add heuristics for finding icons

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This adds heuristics for finding the applications icon.
This commit is contained in:
Felix Weilbach
2022-04-18 03:09:25 +02:00
parent 264e2c3983
commit 3f123d9c4e
2 changed files with 68 additions and 21 deletions
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5
include/modules/sway/window.hpp
View File

@@ -21,8 +21,8 @@ class Window : public AIconLabel, public sigc::trackable {
private:
void onEvent(const struct Ipc::ipc_response&);
void onCmd(const struct Ipc::ipc_response&);
std::tuple<std::size_t, int, std::string, std::string> getFocusedNode(const Json::Value& nodes,
std::string& output);
std::tuple<std::size_t, int, std::string, std::string, std::string> getFocusedNode(
const Json::Value& nodes, std::string& output);
void getTree();
std::string rewriteTitle(const std::string& title);
void updateAppIconName();
@@ -32,6 +32,7 @@ class Window : public AIconLabel, public sigc::trackable {
std::string window_;
int windowId_;
std::string app_id_;
std::string app_class_;
std::string old_app_id_;
std::size_t app_nb_;
bool update_app_icon_{true};

84
src/modules/sway/window.cpp
View File

@@ -5,6 +5,7 @@
#include <glibmm/keyfile.h>
#include <glibmm/miscutils.h>
#include <gtkmm/enums.h>
#include <gtkmm/icontheme.h>
#include <spdlog/spdlog.h>
#include <filesystem>
@@ -37,7 +38,8 @@ void Window::onCmd(const struct Ipc::ipc_response& res) {
std::lock_guard<std::mutex> lock(mutex_);
auto payload = parser_.parse(res.payload);
auto output = payload["output"].isString() ? payload["output"].asString() : "";
std::tie(app_nb_, windowId_, window_, app_id_) = getFocusedNode(payload["nodes"], output);
std::tie(app_nb_, windowId_, window_, app_id_, app_class_) =
getFocusedNode(payload["nodes"], output);
updateAppIconName();
dp.emit();
} catch (const std::exception& e) {
@@ -45,30 +47,70 @@ void Window::onCmd(const struct Ipc::ipc_response& res) {
}
}
std::optional<std::string> getDesktopFilePath(const std::string& app_id) {
std::optional<std::string> getDesktopFilePath(const std::string& app_id,
const std::string& app_class) {
const auto data_dirs = Glib::get_system_data_dirs();
for (const auto& data_dir : data_dirs) {
const auto desktop_file_path = data_dir + "applications/" + app_id + ".desktop";
const auto data_app_dir = data_dir + "applications/";
auto desktop_file_path = data_app_dir + app_id + ".desktop";
if (std::filesystem::exists(desktop_file_path)) {
return desktop_file_path;
}
if (!app_class.empty()) {
desktop_file_path = data_app_dir + app_class + ".desktop";
if (std::filesystem::exists(desktop_file_path)) {
return desktop_file_path;
}
}
}
return {};
}
std::optional<Glib::ustring> getIconName(const std::string& app_id) {
const auto desktop_file_path = getDesktopFilePath(app_id);
std::optional<Glib::ustring> getIconName(const std::string& app_id, const std::string& app_class) {
const auto desktop_file_path = getDesktopFilePath(app_id, app_class);
if (!desktop_file_path.has_value()) {
// Try some heuristics to find a matching icon
const auto default_icon_theme = Gtk::IconTheme::get_default();
if (default_icon_theme->has_icon(app_id)) {
return app_id;
}
const auto app_id_desktop = app_id + "-desktop";
if (default_icon_theme->has_icon(app_id_desktop)) {
return app_id_desktop;
}
const auto to_lower = [](const std::string& str) {
auto str_cpy = str;
std::transform(str_cpy.begin(), str_cpy.end(), str_cpy.begin(),
[](unsigned char c) { return std::tolower(c); });
return str;
};
const auto first_space = app_id.find_first_of(' ');
if (first_space != std::string::npos) {
const auto first_word = to_lower(app_id.substr(0, first_space));
if (default_icon_theme->has_icon(first_word)) {
return first_word;
}
}
const auto first_dash = app_id.find_first_of('-');
if (first_dash != std::string::npos) {
const auto first_word = to_lower(app_id.substr(0, first_dash));
if (default_icon_theme->has_icon(first_word)) {
return first_word;
}
}
return {};
}
try {
Glib::KeyFile desktop_file;
desktop_file.load_from_file(desktop_file_path.value());
const auto icon_name = desktop_file.get_string("Desktop Entry", "Icon");
if (icon_name.empty()) {
return {};
}
return icon_name;
return desktop_file.get_string("Desktop Entry", "Icon");
} catch (Glib::FileError& error) {
spdlog::warn("Error while loading desktop file {}: {}", desktop_file_path.value(),
error.what().c_str());
@@ -84,7 +126,7 @@ void Window::updateAppIconName() {
return;
}
const auto icon_name = getIconName(app_id_);
const auto icon_name = getIconName(app_id_, app_class_);
if (icon_name.has_value()) {
app_icon_name_ = icon_name.value();
} else {
@@ -158,7 +200,7 @@ int leafNodesInWorkspace(const Json::Value& node) {
return sum;
}
std::tuple<std::size_t, int, std::string, std::string> gfnWithWorkspace(
std::tuple<std::size_t, int, std::string, std::string, std::string> gfnWithWorkspace(
const Json::Value& nodes, std::string& output, const Json::Value& config_, const Bar& bar_,
Json::Value& parentWorkspace) {
for (auto const& node : nodes) {
@@ -171,29 +213,33 @@ std::tuple<std::size_t, int, std::string, std::string> gfnWithWorkspace(
config_["all-outputs"].asBool()) {
auto app_id = node["app_id"].isString() ? node["app_id"].asString()
: node["window_properties"]["instance"].asString();
const auto app_class = node["window_properties"]["class"].isString()
? node["window_properties"]["class"].asString()
: "";
int nb = node.size();
if (parentWorkspace != 0) nb = leafNodesInWorkspace(parentWorkspace);
return {nb, node["id"].asInt(), Glib::Markup::escape_text(node["name"].asString()), app_id};
return {nb, node["id"].asInt(), Glib::Markup::escape_text(node["name"].asString()), app_id,
app_class};
}
}
// iterate
if (node["type"] == "workspace") parentWorkspace = node;
auto [nb, id, name, app_id] =
auto [nb, id, name, app_id, app_class] =
gfnWithWorkspace(node["nodes"], output, config_, bar_, parentWorkspace);
if (id > -1 && !name.empty()) {
return {nb, id, name, app_id};
return {nb, id, name, app_id, app_class};
}
// Search for floating node
std::tie(nb, id, name, app_id) =
std::tie(nb, id, name, app_id, app_class) =
gfnWithWorkspace(node["floating_nodes"], output, config_, bar_, parentWorkspace);
if (id > -1 && !name.empty()) {
return {nb, id, name, app_id};
return {nb, id, name, app_id, app_class};
}
}
return {0, -1, "", ""};
return {0, -1, "", "", ""};
}
std::tuple<std::size_t, int, std::string, std::string> Window::getFocusedNode(
std::tuple<std::size_t, int, std::string, std::string, std::string> Window::getFocusedNode(
const Json::Value& nodes, std::string& output) {
Json::Value placeholder = 0;
return gfnWithWorkspace(nodes, output, config_, bar_, placeholder);