summaryrefslogtreecommitdiff
path: root/xkbvleds.c
blob: 3151ed85380ebe57dc969d160963d66356407900 (plain)
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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
/************************************************************
 Copyright (c) 1995 by Silicon Graphics Computer Systems, Inc.

 Permission to use, copy, modify, and distribute this
 software and its documentation for any purpose and without
 fee is hereby granted, provided that the above copyright
 notice appear in all copies and that both that copyright
 notice and this permission notice appear in supporting
 documentation, and that the name of Silicon Graphics not be 
 used in advertising or publicity pertaining to distribution 
 of the software without specific prior written permission.
 Silicon Graphics makes no representation about the suitability 
 of this software for any purpose. It is provided "as is"
 without any express or implied warranty.
 
 SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS 
 SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 
 AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
 GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL 
 DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, 
 DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 
 OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION  WITH
 THE USE OR PERFORMANCE OF THIS SOFTWARE.

 ********************************************************/

#include <stdlib.h>
#include <X11/X.h>
#include <X11/Xlib.h>
#include <X11/XKBlib.h>
#include <X11/Intrinsic.h>
#include <X11/StringDefs.h>
#include <X11/Shell.h>
#include <X11/Xaw/Cardinals.h>
#include <X11/Xaw/Box.h>

#define	BOOLEAN_DEFINED
#include "utils.h"
#include "LED.h"

/***====================================================================***/

#define	YES		1
#define	NO		0
#define	DONT_CARE	-1

static Display *inDpy, *outDpy;
static unsigned long wanted, real, named, explicit, automatic, virtual;
static char *inDpyName;
static int wantNamed = DONT_CARE;
static int wantExplicit = DONT_CARE;
static int wantAutomatic = DONT_CARE;
static int wantReal = DONT_CARE;
static int wantVirtual = DONT_CARE;
static int evBase, errBase;
static Bool synch;
static Bool useUnion = True;

/***====================================================================***/

static void
usage(char *program)
{
    uInformation("Usage: %s <options>\n", program);
    uInformation("Legal options include the usual X toolkit options plus:\n"
                 "  -help           Print this message\n"
                 "  -version        Print the program version\n"
                 "  -indpy <name>   Name of display to watch\n"
                 "  -watch <leds>   Mask of LEDs to watch\n"
                 "  [-+]automatic   (Don't) watch automatic LEDs\n"
                 "  [-+]explicit    (Don't) watch explicit LEDs\n"
                 "  [-+]name        (Don't) watch named LEDs\n"
                 "  [-+]real        (Don't) watch real LEDs\n"
                 "  [-+]virtual     (Don't) watch virtual LEDs\n"
                 "  -intersection   Watch only LEDs in all desired sets\n"
                 "  -union          Watch LEDs in any desired sets\n"
                 "The default set of LEDs is -union +name +automatic +real\n");
    return;
}

static Bool
parseArgs(int argc, char *argv[])
{
    register int i;

    for (i = 1; i < argc; i++) {
        if (uStrCaseEqual(argv[i], "-indpy")) {
            if (i < argc - 1)
                inDpyName = argv[++i];
            else {
                uWarning("No name specified for input display\n");
                uAction("Ignoring trailing -indpy argument\n");
            }
        }
        else if (uStrCaseEqual(argv[i], "-watch")) {
            if (i < argc - 1) {
                int tmp;

                if (sscanf(argv[++i], "%i", &tmp) != 1) {
                    uWarning("Set of LEDs must be specified as an integer\n");
                    uAction("Ignoring bogus value \"%s\" for -watch flag\n",
                            argv[i]);
                }
                else
                    wanted = tmp;
            }
            else {
                uWarning("Didn't specify any LEDs to watch\n");
                uAction("Ignoring trailing -watch argument\n");
            }
        }
        else if (uStrCaseEqual(argv[i], "-union")) {
            useUnion = True;
        }
        else if (uStrCaseEqual(argv[i], "-intersection")) {
            useUnion = False;
        }
        else if (uStrCaseEqual(argv[i], "-help")) {
            usage(argv[0]);
            exit(0);
        }
        else if (uStrCaseEqual(argv[i], "-version")) {
            printf("xkbvleds (%s) %s\n", PACKAGE_NAME, PACKAGE_VERSION);
            exit(0);
        }
        else if ((argv[i][0] == '+') || (argv[i][0] == '-')) {
            Bool onoff;
            int *which;

            onoff = (argv[i][0] == '+');
            which = NULL;
            if (uStrCaseEqual(&argv[i][1], "name"))
                which = &wantNamed;
            else if (uStrCaseEqual(&argv[i][1], "explicit"))
                which = &wantExplicit;
            else if (uStrCaseEqual(&argv[i][1], "automatic"))
                which = &wantAutomatic;
            else if (uStrCaseEqual(&argv[i][1], "real"))
                which = &wantReal;
            else if (uStrCaseEqual(&argv[i][1], "virtual"))
                which = &wantVirtual;
            if (which != NULL) {
                if (*which != DONT_CARE) {
                    uWarning("Multiple settings for [+-]%s\n", &argv[i][1]);
                    uAction("Using %c%s, ignoring %c%s\n",
                            (onoff ? '+' : '-'), &argv[i][1],
                            (onoff ? '-' : '+'), &argv[i][1]);
                }
                *which = (onoff ? YES : NO);
            }
        }
    }
    return True;
}

/***====================================================================***/

static Display *
GetDisplay(char *program, char *dpyName)
{
    int mjr, mnr, error;
    Display *dpy;

    mjr = XkbMajorVersion;
    mnr = XkbMinorVersion;
    dpy = XkbOpenDisplay(dpyName, &evBase, &errBase, &mjr, &mnr, &error);
    if (dpy == NULL) {
        switch (error) {
        case XkbOD_BadLibraryVersion:
            uInformation("%s was compiled with XKB version %d.%02d\n",
                         program, XkbMajorVersion, XkbMinorVersion);
            uError("X library supports incompatible version %d.%02d\n",
                   mjr, mnr);
            break;
        case XkbOD_ConnectionRefused:
            uError("Cannot open display \"%s\"\n", dpyName);
            break;
        case XkbOD_NonXkbServer:
            uError("XKB extension not present on %s\n", dpyName);
            break;
        case XkbOD_BadServerVersion:
            uInformation("%s was compiled with XKB version %d.%02d\n",
                         program, XkbMajorVersion, XkbMinorVersion);
            uError("Server %s uses incompatible version %d.%02d\n",
                   dpyName, mjr, mnr);
            break;
        default:
            uInternalError("Unknown error %d from XkbOpenDisplay\n", error);
        }
    }
    else if (synch)
        XSynchronize(dpy, True);
    return dpy;
}

/***====================================================================***/

int
main(int argc, char *argv[])
{
    Widget toplevel;
    XtAppContext app_con;
    Widget panel;
    Widget leds[XkbNumIndicators];
    register int i;
    unsigned bit;
    unsigned n;
    XkbDescPtr xkb;
    XkbEvent ev;
    static Arg boxArgs[] = { {XtNorientation, (XtArgVal) XtorientHorizontal} };
    static Arg onArgs[] = { {XtNon, (XtArgVal) True} };
    static Arg offArgs[] = { {XtNon, (XtArgVal) False} };
    static char *fallback_resources[] = {
        "*Box*background: grey40",
        NULL
    };

    uSetErrorFile(NullString);
    bzero(leds, XkbNumIndicators * sizeof(Widget));
    toplevel = XtOpenApplication(&app_con, "XkbLEDPanel", NULL, 0, &argc, argv,
                                 fallback_resources,
                                 sessionShellWidgetClass, NULL, ZERO);
    if (toplevel == NULL) {
        uFatalError("Couldn't create application top level\n");
        return 1;
    }
    if ((argc > 1) && (!parseArgs(argc, argv))) {
        usage(argv[0]);
        return 1;
    }
    if ((wanted == 0) && (wantNamed == DONT_CARE) && (wantExplicit == DONT_CARE)
        && (wantAutomatic == DONT_CARE) && (wantReal == DONT_CARE)) {
        wantNamed = YES;
        wantReal = YES;
        wantAutomatic = YES;
    }
    outDpy = XtDisplay(toplevel);
    if (inDpyName != NULL) {
        inDpy = GetDisplay(argv[0], inDpyName);
        if (!inDpy)
            return 1;
    }
    else {
        inDpy = outDpy;
    }
    if (inDpy) {
        int i1, mn, mj;

        mj = XkbMajorVersion;
        mn = XkbMinorVersion;
        if (!XkbLibraryVersion(&mj, &mn)) {
            uInformation("%s was compiled with XKB version %d.%02d\n",
                         argv[0], XkbMajorVersion, XkbMinorVersion);
            uError("X library supports incompatible version %d.%02d\n", mj, mn);
        }
        if (!XkbQueryExtension(inDpy, &i1, &evBase, &errBase, &mj, &mn)) {
            uFatalError("Server doesn't support a compatible XKB\n");
            return 1;
        }
    }
    else {
        uFatalError("No input display\n");
        return 1;
    }
    panel =
        XtCreateManagedWidget("xkbleds", boxWidgetClass, toplevel, boxArgs, 1);
    if (panel == NULL) {
        uFatalError("Couldn't create list of leds\n");
        return 1;
    }
    real = virtual = named = explicit = automatic = 0;
    if (wantReal || wantNamed || wantAutomatic || wantExplicit || wantVirtual) {
        register int i, bit;

        xkb = XkbGetMap(inDpy, 0, XkbUseCoreKbd);
        if (!xkb) {
            uFatalError("Couldn't read keymap\n");
            return 1;
        }
        if (XkbGetIndicatorMap(inDpy, XkbAllIndicatorsMask, xkb) != Success) {
            uFatalError("Couldn't read indicator map\n");
            return 1;
        }
        if (XkbGetNames(inDpy, XkbAllNamesMask, xkb) != Success) {
            uFatalError("Couldn't read indicator names\n");
            return 1;
        }
        for (i = 0, bit = 1; i < XkbNumIndicators; i++, bit <<= 1) {
            XkbIndicatorMapPtr map = &xkb->indicators->maps[i];

            if (xkb->names->indicators[i] != None)
                named |= bit;
            if (xkb->indicators->phys_indicators & bit)
                real |= bit;
            if ((((map->which_groups != 0) && (map->groups != 0)) ||
                 ((map->which_mods != 0) &&
                  ((map->mods.real_mods != 0) || (map->mods.vmods != 0))) ||
                 (map->ctrls != 0)) &&
                ((map->flags & XkbIM_NoAutomatic) == 0)) {
                automatic |= bit;
            }
            else
                explicit |= bit;
        }
        virtual = ~real;
        if (wantReal == NO)
            real = ~real;
        else if (wantReal == DONT_CARE)
            real = (useUnion ? 0 : ~0);
        if (wantVirtual == NO)
            virtual = ~virtual;
        else if (wantVirtual == DONT_CARE)
            virtual = (useUnion ? 0 : ~0);
        if (wantNamed == NO)
            named = ~named;
        else if (wantNamed == DONT_CARE)
            named = (useUnion ? 0 : ~0);
        if (wantAutomatic == NO)
            automatic = ~automatic;
        else if (wantAutomatic == DONT_CARE)
            automatic = (useUnion ? 0 : ~0);
        if (wantExplicit == NO)
            explicit = ~explicit;
        else if (wantExplicit == DONT_CARE)
            explicit = (useUnion ? 0 : ~0);
        if (useUnion)
            wanted |= real | virtual | named | automatic | explicit;
        else
            wanted &= real & virtual & named & automatic & explicit;
    }
    else
        xkb = NULL;
    if (wanted == 0) {
        uError("No indicator maps match the selected criteria\n");
        uAction("Exiting\n");
        return 1;
    }

    XkbSelectEvents(inDpy, XkbUseCoreKbd, XkbIndicatorStateNotifyMask,
                    XkbIndicatorStateNotifyMask);
    XkbGetIndicatorState(inDpy, XkbUseCoreKbd, &n);
    bit = (1U << (XkbNumIndicators - 1));
    for (i = XkbNumIndicators - 1; i >= 0; i--, bit >>= 1) {
        if (wanted & bit) {
            char buf[12];
            ArgList list;

            sprintf(buf, "led%d", i + 1);
            if (n & bit)
                list = onArgs;
            else
                list = offArgs;
            leds[i] =
                XtCreateManagedWidget(buf, ledWidgetClass, panel, list, 1);
        }
    }
    XtRealizeWidget(toplevel);
    while (1) {
        XtAppNextEvent(app_con, &ev.core);
        if (ev.core.type == evBase + XkbEventCode) {
            if (ev.any.xkb_type == XkbIndicatorStateNotify) {
                for (i = 0, bit = 1; i < XkbNumIndicators; i++, bit <<= 1) {
                    if ((ev.indicators.changed & bit) && (leds[i])) {
                        ArgList list;

                        if (ev.indicators.state & bit)
                            list = onArgs;
                        else
                            list = offArgs;
                        XtSetValues(leds[i], list, 1);
                    }
                }
            }
        }
        else
            XtDispatchEvent(&ev.core);
    }
/* BAIL: */
    if (inDpy)
        XCloseDisplay(inDpy);
    if (outDpy != inDpy)
        XCloseDisplay(outDpy);
    inDpy = outDpy = NULL;
    return 0;
}