96 lines
3.2 KiB
C++
96 lines
3.2 KiB
C++
// gKeyMapper - GUI options that are not part of the mapping format.
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#include "settings.h"
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#include <clocale>
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#include <cstdlib>
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#include <glib.h>
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namespace gkeymapper {
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namespace {
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// Same shape as the mapping file next to it: a group and one key per option.
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const char* kGroup = "gui";
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const char* kMinimizeToTray = "minimize-to-tray";
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const char* kLanguage = "language";
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// What the session had in LANGUAGE before this program touched it, so choosing
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// "follow the session" can put it back exactly.
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std::string sessionLanguage;
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bool sessionLanguageTaken = false;
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} // namespace
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std::string default_gui_config_path() {
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const char* home = std::getenv("HOME");
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return std::string(home ? home : "") + "/.config/gKeyMapper/gui.conf";
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}
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GuiSettings load_gui_settings() {
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GuiSettings settings;
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GKeyFile* file = g_key_file_new();
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GError* error = nullptr;
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// A missing file is the normal first start, not an error.
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if (g_key_file_load_from_file(file, default_gui_config_path().c_str(), G_KEY_FILE_NONE,
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&error)) {
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GError* itemError = nullptr;
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const gboolean value = g_key_file_get_boolean(file, kGroup, kMinimizeToTray, &itemError);
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if (itemError == nullptr) {
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settings.minimizeToTray = value != FALSE;
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}
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g_clear_error(&itemError);
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g_autofree gchar* language = g_key_file_get_string(file, kGroup, kLanguage, nullptr);
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if (language != nullptr) {
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settings.language = language;
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}
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}
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g_clear_error(&error);
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g_key_file_unref(file);
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return settings;
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}
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void save_gui_settings(const GuiSettings& settings) {
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const std::string path = default_gui_config_path();
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g_autofree gchar* directory = g_path_get_dirname(path.c_str());
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g_mkdir_with_parents(directory, 0700);
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GKeyFile* file = g_key_file_new();
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g_key_file_set_boolean(file, kGroup, kMinimizeToTray, settings.minimizeToTray);
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g_key_file_set_string(file, kGroup, kLanguage, settings.language.c_str());
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GError* error = nullptr;
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if (!g_key_file_save_to_file(file, path.c_str(), &error)) {
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g_printerr("gkeymapper: could not write %s: %s\n", path.c_str(),
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error != nullptr ? error->message : "unknown error");
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g_clear_error(&error);
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}
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g_key_file_unref(file);
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}
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void apply_gui_language(const std::string& language) {
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if (!sessionLanguageTaken) {
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const char* current = g_getenv("LANGUAGE");
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sessionLanguage = current != nullptr ? current : "";
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sessionLanguageTaken = true;
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}
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// gettext checks LANGUAGE before the locale, so it is the one knob to turn;
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// the shipped catalogs are small and the identity catalog for English means
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// an explicit "en" works on a German desktop too.
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if (language.empty()) {
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if (sessionLanguage.empty()) {
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g_unsetenv("LANGUAGE");
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} else {
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g_setenv("LANGUAGE", sessionLanguage.c_str(), TRUE);
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}
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} else {
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g_setenv("LANGUAGE", language.c_str(), TRUE);
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}
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// setlocale re-reads the environment and bumps glibc's catalog counter, so
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// the next translated string comes out of the new catalog.
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setlocale(LC_ALL, "");
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}
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} // namespace gkeymapper
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