Alexis Jhon Gaspar
e1207e1d0d
- This introduces a minimalist display manager for the suckless-utils suite - Added crudely written scripts for reloaading slim's theme via pywal, meaning no on-the-fly reloading using keybinds as nost people wouldn't have their sudo passwordless - This is based on slim-fork 1.4.0 version.
153 lines
3.6 KiB
C++
153 lines
3.6 KiB
C++
/* SLiM - Simple Login Manager
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* Copyright (C) 2011 David Hauweele
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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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#include <cstdio>
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#include <iostream>
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#include <ck-connector.h>
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#include <X11/Xlib.h>
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#include <X11/Xatom.h>
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#include <stdarg.h>
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#include "Ck.h"
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namespace Ck
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{
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Exception::Exception(const std::string &func, const std::string &errstr)
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: func(func), errstr(errstr)
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{
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}
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dbus_bool_t Session::ck_connector_open_graphic_session(
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const std::string &display,
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uid_t uid)
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{
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dbus_bool_t local = true;
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const char *session_type = "x11";
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const char *x11_display = display.c_str();
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const char *x11_device = get_x11_device(display);
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const char *remote_host = "";
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const char *display_dev = "";
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return ck_connector_open_session_with_parameters(ckc, &error,
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"unix-user", &uid,
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"session-type", &session_type,
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"x11-display", &x11_display,
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"x11-display-device", &x11_device,
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"display-device", &display_dev,
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"remote-host-name", &remote_host,
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"is-local", &local,
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NULL);
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}
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const char * Session::get_x11_device(const std::string &display)
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{
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static char device[32];
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Display *xdisplay = XOpenDisplay(display.c_str());
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if(!xdisplay)
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throw Exception(__func__, "cannot open display");
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Window root;
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Atom xfree86_vt_atom;
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Atom return_type_atom;
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int return_format;
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unsigned long return_count;
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unsigned long bytes_left;
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unsigned char *return_value;
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long vt;
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xfree86_vt_atom = XInternAtom(xdisplay, "XFree86_VT", true);
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if(xfree86_vt_atom == None)
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throw Exception(__func__, "cannot get XFree86_VT");
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root = DefaultRootWindow(xdisplay);
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if(XGetWindowProperty(xdisplay, root, xfree86_vt_atom,
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0L, 1L, false, XA_INTEGER,
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&return_type_atom, &return_format,
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&return_count, &bytes_left,
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&return_value) != Success)
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throw Exception(__func__, "cannot get root window property");
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if(return_type_atom != XA_INTEGER)
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throw Exception(__func__, "bad atom type");
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if(return_format != 32)
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throw Exception(__func__, "invalid return format");
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if(return_count != 1)
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throw Exception(__func__, "invalid count");
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if(bytes_left != 0)
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throw Exception(__func__, "invalid bytes left");
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vt = *((long *)return_value);
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std::sprintf(device, "/dev/tty%ld", vt);
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if(return_value)
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XFree(return_value);
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return device;
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}
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void Session::open_session(const std::string &display, uid_t uid)
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{
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ckc = ck_connector_new();
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if(!ckc)
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throw Exception(__func__, "error setting up connection to ConsoleKit");
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if (!ck_connector_open_graphic_session(display, uid)) {
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if(dbus_error_is_set(&error))
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throw Exception(__func__, error.message);
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else
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throw Exception(__func__, "cannot open ConsoleKit session: OOM,"
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" DBus system bus not available or insufficient"
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" privileges");
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}
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}
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const char * Session::get_xdg_session_cookie()
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{
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return ck_connector_get_cookie(ckc);
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}
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void Session::close_session()
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{
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if(!ck_connector_close_session(ckc, &error)) {
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if(dbus_error_is_set(&error))
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throw Exception(__func__, error.message);
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else
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throw Exception(__func__, "cannot close ConsoleKit session: OOM,"
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" DBus system bus not available or insufficient"
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" privileges");
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}
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}
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Session::Session()
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{
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dbus_error_init(&error);
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}
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Session::~Session()
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{
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dbus_error_free(&error);
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}
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}
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std::ostream& operator<<( std::ostream& os, const Ck::Exception& e)
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{
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os << e.func << ": " << e.errstr;
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return os;
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}
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