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https://github.com/ukui/ukui-window-switch.git
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jianglinxuan
9aeedb0074
* Use the new method to get the window thumbnail in the front end. * Remove redundant debugging to win information. * Adjust the indentation format.
100 lines
2.6 KiB
C++
100 lines
2.6 KiB
C++
/*
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* Copyright (C) 2017 Tianjin KYLIN Information Technology Co., Ltd.
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*
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* This program 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 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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 this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "mainwindow.h"
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#include <QApplication>
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#include <unistd.h>
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#include "qxtglobalshortcut.h"
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#include <QDebug>
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#include <stdio.h>
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#include <sys/file.h>
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#include <unistd.h>
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#include <pwd.h>
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#define PROGRAM_NAME "ukui-window-switch"
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#define PATH_MAX_LEN 1024
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#define PID_STRING_LEN 64
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#define SHORTCAT_REG_DELAY 6
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/*
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* Check if another process is running.
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* Input: program name
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* Return:
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* 0 No another process is running.
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* 1 Another process is running.
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* <0 Exception.
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*/
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int checkProcessRunning(const char *processName)
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{
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int uid = getuid();
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int pid = getpid();
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char pid_file[PATH_MAX_LEN] = {0};
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char pid_string[PID_STRING_LEN] = {0};
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snprintf(pid_file, PATH_MAX_LEN, "/run/user/%d/%s.pid", uid, processName);
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int pid_file_fd = open(pid_file, O_CREAT | O_TRUNC | O_RDWR, 0666);
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if (pid_file_fd < 0)
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{
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fprintf(stderr, "Can not open pid file: %s\n", pid_file);
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return -1;
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}
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int lock_ret = flock(pid_file_fd, LOCK_EX | LOCK_NB);
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if (lock_ret < 0)
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{
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struct passwd *pwd = getpwuid(uid);
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fprintf(stdout, "User %s[%d] has run %s, the current program exits.\n",
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pwd->pw_name, uid, processName);
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return 1;
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}
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snprintf(pid_string, PID_STRING_LEN, "%d\n", pid);
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write(pid_file_fd, pid_string, strlen(pid_string));
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fsync(pid_file_fd);
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return 0;
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}
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int main(int argc, char *argv[])
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{
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//Check if another process is running.
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int check_ret = checkProcessRunning(PROGRAM_NAME);
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if (check_ret != 0)
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{
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return check_ret;
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}
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//sleep(SHORTCAT_REG_DELAY);
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QApplication a(argc, argv);
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QFile qss(":/style/global");
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QString locale = QLocale::system().name();
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MainWindow w;
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w.setWindowFlags(Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint | Qt::Tool);
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w.setWindowState(Qt::WindowActive);
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//w.setAttribute(Qt::WA_TranslucentBackground, false);
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//w.setWindowOpacity(0.5);
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return a.exec();
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}
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