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254 lines
12 KiB
254 lines
12 KiB
// Copyright (c) 2020 TUXEDO Computers GmbH <tux@tuxedocomputers.com>
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//
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// This file is part of TUXEDO Touchpad Switch.
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//
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// This file is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// TUXEDO Touchpad Switch is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with TUXEDO Touchpad Switch. If not, see <https://www.gnu.org/licenses/>.
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#include "setup-kde.h"
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#include <iostream>
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#include <sys/file.h>
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#include <gio/gio.h>
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#include "touchpad-control.h"
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using std::cerr;
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using std::endl;
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int lockfile;
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gboolean isMousePluggedInPrev;
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gboolean isEnabledSave;
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GDBusProxy *kded5_modules_touchpad = NULL;
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GDBusProxy *solid_power_management = NULL;
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static void kded5_modules_touchpad_handler(GDBusProxy *proxy, __attribute__((unused)) char *sender_name, char *signal_name, GVariant *parameters, __attribute__((unused)) gpointer user_data) {
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if (!strcmp("enabledChanged", signal_name) && g_variant_is_of_type(parameters, (const GVariantType *)"(b)") && g_variant_n_children(parameters)) {
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GVariant *enabledChanged = g_variant_get_child_value(parameters, 0);
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isEnabledSave = g_variant_get_boolean(enabledChanged);
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if (isEnabledSave) {
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if (set_touchpad_state(1)) {
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cerr << "kded5_modules_touchpad_handler(...): set_touchpad_state(...) failed." << endl;
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}
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}
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else {
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if (set_touchpad_state(0)) {
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cerr << "kded5_modules_touchpad_handler(...): set_touchpad_state(...) failed." << endl;
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}
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}
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g_variant_unref(enabledChanged);
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}
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else if (!strcmp("mousePluggedInChanged", signal_name) && g_variant_is_of_type(parameters, (const GVariantType *)"(b)") && g_variant_n_children(parameters)) {
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GVariant *isMousePluggedInParam = g_dbus_proxy_call_sync(proxy, "isMousePluggedIn", NULL, G_DBUS_CALL_FLAGS_NONE, G_MAXINT, NULL, NULL);
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if (isMousePluggedInParam != NULL && g_variant_is_of_type(isMousePluggedInParam, (const GVariantType *)"(b)") && g_variant_n_children(isMousePluggedInParam)) {
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GVariant *isMousePluggedIn = g_variant_get_child_value(isMousePluggedInParam, 0);
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if (isMousePluggedInPrev && !g_variant_get_boolean(isMousePluggedIn)) {
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if (set_touchpad_state(1)) {
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cerr << "kded5_modules_touchpad_handler(...): set_touchpad_state(...) failed." << endl;
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}
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if (flock(lockfile, LOCK_UN)) {
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cerr << "kded5_modules_touchpad_handler(...): flock(...) failed." << endl;
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}
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}
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else if (!isMousePluggedInPrev && g_variant_get_boolean(isMousePluggedIn)) {
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if (flock(lockfile, LOCK_EX)) {
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cerr << "kded5_modules_touchpad_handler(...): flock(...) failed." << endl;
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}
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if (set_touchpad_state(isEnabledSave)) {
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cerr << "kded5_modules_touchpad_handler(...): set_touchpad_state(...) failed." << endl;
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}
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}
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isMousePluggedInPrev = g_variant_get_boolean(isMousePluggedIn);
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g_variant_unref(isMousePluggedIn);
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g_variant_unref(isMousePluggedInParam);
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}
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else {
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cerr << "kded5_modules_touchpad_handler(...): g_dbus_proxy_call_sync(...) failed." << endl;
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}
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}
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}
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static void solid_power_management_handler(__attribute__((unused)) GDBusProxy *proxy, __attribute__((unused)) char *sender_name, char *signal_name, __attribute__((unused)) GVariant *parameters, __attribute__((unused)) gpointer user_data) {
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if (!strcmp("aboutToSuspend", signal_name)) {
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if (set_touchpad_state(1)) {
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cerr << "kded5_modules_touchpad_handler(...): set_touchpad_state(...) failed." << endl;
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}
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if (flock(lockfile, LOCK_UN)) {
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cerr << "kded5_modules_touchpad_handler(...): flock(...) failed." << endl;
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}
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}
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else if (!strcmp("resumingFromSuspend", signal_name)) {
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if (flock(lockfile, LOCK_EX)) {
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cerr << "kded5_modules_touchpad_handler(...): flock(...) failed." << endl;
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}
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if (set_touchpad_state(isEnabledSave)) {
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cerr << "kded5_modules_touchpad_handler(...): set_touchpad_state(...) failed." << endl;
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}
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}
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}
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static int kded5_modules_touchpad_init(GDBusProxy *proxy) {
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GVariant *isEnabledParam = g_dbus_proxy_call_sync(proxy, "isEnabled", NULL, G_DBUS_CALL_FLAGS_NONE, G_MAXINT, NULL, NULL);
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if (isEnabledParam != NULL && g_variant_is_of_type(isEnabledParam, (const GVariantType *)"(b)") && g_variant_n_children(isEnabledParam)) {
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GVariant *isEnabled = g_variant_get_child_value(isEnabledParam, 0);
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// init isEnabledSave
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isEnabledSave = g_variant_get_boolean(isEnabled);
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if (isEnabledSave) {
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if (set_touchpad_state(1)) {
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cerr << "kded5_modules_touchpad_handler(...): set_touchpad_state(...) failed." << endl;
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return EXIT_FAILURE;
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}
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}
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else {
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if (set_touchpad_state(0)) {
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cerr << "kded5_modules_touchpad_handler(...): set_touchpad_state(...) failed." << endl;
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return EXIT_FAILURE;
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}
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}
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g_variant_unref(isEnabled);
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g_variant_unref(isEnabledParam);
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}
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else {
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cerr << "kded5_modules_touchpad_handler(...): g_dbus_proxy_call_sync(...) failed." << endl;
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return EXIT_FAILURE;
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}
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GVariant *isMousePluggedInParam = g_dbus_proxy_call_sync(proxy, "isMousePluggedIn", NULL, G_DBUS_CALL_FLAGS_NONE, G_MAXINT, NULL, NULL);
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if (isMousePluggedInParam != NULL && g_variant_is_of_type(isMousePluggedInParam, (const GVariantType *)"(b)") && g_variant_n_children(isMousePluggedInParam)) {
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GVariant *isMousePluggedIn = g_variant_get_child_value(isMousePluggedInParam, 0);
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// init isMousePluggedInPrev, should always be true on init, this is here to be on the save side
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isMousePluggedInPrev = g_variant_get_boolean(isMousePluggedIn);
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// isMousePluggedInPrev just got init so it holds the current value
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if (!isMousePluggedInPrev) {
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if (set_touchpad_state(1)) {
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cerr << "kded5_modules_touchpad_handler(...): set_touchpad_state(...) failed." << endl;
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return EXIT_FAILURE;
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}
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if (flock(lockfile, LOCK_UN)) {
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cerr << "kded5_modules_touchpad_handler(...): flock(...) failed." << endl;
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return EXIT_FAILURE;
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}
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}
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g_variant_unref(isMousePluggedIn);
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g_variant_unref(isMousePluggedInParam);
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}
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else {
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cerr << "kded5_modules_touchpad_handler(...): g_dbus_proxy_call_sync(...) failed." << endl;
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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}
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int setup_kde(int lockfile_arg) {
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lockfile = lockfile_arg;
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const char *object_path = NULL;
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GDBusProxy *kded5 = g_dbus_proxy_new_for_bus_sync(G_BUS_TYPE_SESSION,
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G_DBUS_PROXY_FLAGS_NONE, NULL,
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"org.kde.kded5",
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"/kded",
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"org.kde.kded5",
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NULL, NULL);
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if (kded5 == NULL) {
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cerr << "setup_kde(...): g_dbus_proxy_new_for_bus_sync(...) failed." << endl;
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return EXIT_FAILURE;
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}
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GVariant *loadedModulesParam = g_dbus_proxy_call_sync(kded5, "loadedModules", NULL, G_DBUS_CALL_FLAGS_NONE, G_MAXINT, NULL, NULL);
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if (loadedModulesParam != NULL && g_variant_is_of_type(loadedModulesParam, (const GVariantType *)"(as)") && g_variant_n_children(loadedModulesParam) ) {
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GVariant *loadedModules = g_variant_get_child_value(loadedModulesParam, 0);
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GVariantIter *iter;
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gchar *str;
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g_variant_get(loadedModules, "as", &iter);
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while (g_variant_iter_loop(iter, "s", &str)) {
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if (strcmp(str, "kded_touchpad") == 0) {
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object_path = "/modules/kded_touchpad";
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g_free(str); // g_variant_iter_loop needs freeing when break is used
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break;
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}
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if (strcmp(str, "touchpad") == 0) {
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object_path = "/modules/touchpad";
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g_free(str); // g_variant_iter_loop needs freeing when break is used
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break;
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}
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}
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g_variant_iter_free(iter);
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g_variant_unref(loadedModules);
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g_variant_unref(loadedModulesParam);
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} else {
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g_object_unref(kded5); // not needed anymore
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cerr << "setup_kde(...): g_dbus_proxy_call_sync(...) failed." << endl;
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return EXIT_FAILURE;
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}
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g_object_unref(kded5); // not needed anymore
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if (object_path == NULL) {
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cerr << "setup_kde(...): Could not find touchpad module in kded." << endl;
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return EXIT_FAILURE;
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}
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// sync on config and xsession change
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kded5_modules_touchpad = g_dbus_proxy_new_for_bus_sync(G_BUS_TYPE_SESSION,
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G_DBUS_PROXY_FLAGS_NONE, NULL,
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"org.kde.kded5",
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object_path,
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"org.kde.touchpad",
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NULL, NULL);
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if (kded5_modules_touchpad == NULL) {
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cerr << "setup_kde(...): g_dbus_proxy_new_for_bus_sync(...) failed." << endl;
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return EXIT_FAILURE;
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}
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if (g_signal_connect(kded5_modules_touchpad, "g-signal", G_CALLBACK(kded5_modules_touchpad_handler), NULL) < 1) {
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cerr << "setup_kde(...): g_signal_connect(...) failed." << endl;
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return EXIT_FAILURE;
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}
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// sync on wakeup
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solid_power_management = g_dbus_proxy_new_for_bus_sync(G_BUS_TYPE_SESSION,
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G_DBUS_PROXY_FLAGS_NONE, NULL,
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"org.kde.Solid.PowerManagement",
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"/org/kde/Solid/PowerManagement/Actions/SuspendSession",
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"org.kde.Solid.PowerManagement.Actions.SuspendSession",
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NULL, NULL);
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if (solid_power_management == NULL) {
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cerr << "setup_kde(...): g_dbus_proxy_new_for_bus_sync(...) failed." << endl;
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return EXIT_FAILURE;
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}
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if (g_signal_connect(solid_power_management, "g-signal", G_CALLBACK(solid_power_management_handler), NULL) < 1) {
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cerr << "setup_kde(...): g_signal_connect(...) failed." << endl;
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return EXIT_FAILURE;
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}
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// sync on start
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if (kded5_modules_touchpad_init(kded5_modules_touchpad) == EXIT_FAILURE) {
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cerr << "setup_kde(...): kded5_modules_touchpad_init(...) failed." << endl;
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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}
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void clean_kde() {
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g_clear_object(&kded5_modules_touchpad);
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g_clear_object(&solid_power_management);
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}
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