1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
/*
* Copyright (C) 2006 Hong Jen Yee (PCMan) <pcman.tw@gmail.com>
* 2006 Jim Huang <jserv.tw@gmail.com>
* 2009-2010 Marty Jack <martyj19@comcast.net>
* 2016 Andriy Grytsenko <andrej@rep.kiev.ua>
*
* This file is a part of LXPanel project.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/* Remote controller of lxpanel */
#include "lxpanelctl.h"
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
static Display* dpy;
static const char usage[] =
"\nlxpanelctl - LXPanel Controller\n"
"Usage: lxpanelctl <command>\n\n"
"Available commands:\n"
"menu\t\t\tshow system menu\n"
"run\t\t\tshow run dialog\n"
"config\t\t\tshow configuration dialog\n"
"restart\t\t\trestart lxpanel\n"
"exit\t\t\texit lxpanel\n"
"command <plugin> <cmd>\tsend a command to a plugin\n\n";
static int get_cmd( const char* cmd )
{
if( ! strcmp( cmd, "menu") )
return LXPANEL_CMD_SYS_MENU;
else if( ! strcmp( cmd, "run") )
return LXPANEL_CMD_RUN;
else if( ! strcmp( cmd, "config") )
return LXPANEL_CMD_CONFIG;
else if( ! strcmp( cmd, "restart") )
return LXPANEL_CMD_RESTART;
else if( ! strcmp( cmd, "exit") )
return LXPANEL_CMD_EXIT;
else if( ! strcmp( cmd, "command") )
return LXPANEL_CMD_COMMAND;
return -1;
}
/* format: either "<edge>" or "<num>:<edge>" */
static int parse_id(const char *arg, int *mon)
{
char *end;
long lmon = strtoul(arg, &end, 10);
if (*end == ':')
arg = (const char *)end + 1;
else
lmon = 0;
*mon = lmon;
if (strcmp(arg, "top") == 0)
return EDGE_TOP;
if (strcmp(arg, "bottom") == 0)
return EDGE_BOTTOM;
if (strcmp(arg, "left") == 0)
return EDGE_LEFT;
if (strcmp(arg, "right") == 0)
return EDGE_RIGHT;
return EDGE_NONE;
}
int main( int argc, char** argv )
{
char *display_name = (char *)getenv("DISPLAY");
XEvent ev;
Window root;
Atom cmd_atom;
int cmd;
/* int restart; */
/* target of message, it's XClientMessageEvent::b[1]
* valid only if XClientMessageEvent::b[0] == LXPANEL_CMD_COMMAND */
uint8_t target;
if( argc < 2 )
{
printf( usage );
return 1;
}
/*
if( restart = !strcmp( argv[1], "restart" ) )
argv[1] = "exit";
*/
if( ( cmd = get_cmd( argv[1] ) ) == -1 )
return 1;
if (cmd == LXPANEL_CMD_COMMAND && argc < 4)
{
printf( usage );
return 1;
}
dpy = XOpenDisplay(display_name);
if (dpy == NULL) {
printf("Cant connect to display: %s\n", display_name);
exit(1);
}
root = DefaultRootWindow(dpy);
cmd_atom = XInternAtom(dpy, "_LXPANEL_CMD", False);
memset(&ev, '\0', sizeof ev);
ev.xclient.type = ClientMessage;
ev.xclient.window = root;
ev.xclient.message_type = cmd_atom;
ev.xclient.format = 8;
ev.xclient.data.b[0] = cmd;
if (cmd == LXPANEL_CMD_COMMAND)
{
int i = 2;
if (argc > 4 && strncmp(argv[2], "--panel=", 8) == 0)
{
int monitor;
int edge = parse_id(argv[2] + 8, &monitor);
/* edge: EDGE_NONE ..., monitor: 0 - none, 1...8 - selected */
target = ((edge & 0x7) << 4) + (monitor & 0xf);
i++;
}
else
target = (EDGE_NONE << 4) + 0; /* edge: none, monitor: none */
ev.xclient.data.b[1] = target;
snprintf(&ev.xclient.data.b[2], 18, "%s\t%s", argv[i], argv[i+1]);
}
XSendEvent(dpy, root, False,
SubstructureRedirectMask|SubstructureNotifyMask, &ev);
XSync(dpy, False);
XCloseDisplay(dpy);
/*
if( restart ) {
system( PACKAGE_BIN_DIR "/lxpanel &" );
}
*/
return 0;
}
|