1 /* See LICENSE file for copyright and license details. */
10 #include <X11/keysym.h>
12 #include <X11/Xutil.h>
14 #include <X11/extensions/Xinerama.h>
18 #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
19 #define INRECT(X,Y,RX,RY,RW,RH) ((X) >= (RX) && (X) < (RX) + (RW) && (Y) >= (RY) && (Y) < (RY) + (RH))
20 #define MIN(a, b) ((a) < (b) ? (a) : (b))
21 #define MAX(a, b) ((a) > (b) ? (a) : (b))
22 #define IS_UTF8_1ST_CHAR(c) ((((c) & 0xc0) == 0xc0) || !((c) & 0x80))
24 /* forward declarations */
25 static void cleanup(void);
26 static void drawcursor(void);
27 static void drawinput(void);
28 static void eprint(const char *errstr, ...);
29 static Bool grabkeyboard(void);
30 static void kpress(XKeyEvent * e);
31 static void run(void);
32 static void setup(Bool topbar);
37 static char *prompt = NULL;
38 static char text[4096];
39 static int promptw = 0;
42 static unsigned int mw, mh;
43 static unsigned int cursor = 0;
44 static unsigned int numlockmask = 0;
45 static Bool running = True;
47 static Window parent, win;
54 XDestroyWindow(dpy, win);
55 XUngrabKeyboard(dpy, CurrentTime);
60 XRectangle r = { dc.x, dc.y + 2, 1, dc.font.height - 2 };
62 r.x += textnw(text, cursor) + dc.font.height / 2;
64 XSetForeground(dpy, dc.gc, dc.norm[ColFG]);
65 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
75 drawtext(NULL, dc.norm);
79 drawtext(prompt, dc.sel);
83 drawtext(*text ? text : NULL, dc.norm);
85 XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
90 eprint(const char *errstr, ...) {
94 vfprintf(stderr, errstr, ap);
103 for(len = 1000; len; len--) {
104 if(XGrabKeyboard(dpy, parent, True, GrabModeAsync, GrabModeAsync, CurrentTime)
113 kpress(XKeyEvent * e) {
114 char buf[sizeof text];
120 num = XLookupString(e, buf, sizeof buf, &ksym, NULL);
121 if(ksym == XK_KP_Enter)
123 else if(ksym >= XK_KP_0 && ksym <= XK_KP_9)
124 ksym = (ksym - XK_KP_0) + XK_0;
125 else if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
126 || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
127 || IsPrivateKeypadKey(ksym))
129 /* first check if a control mask is omitted */
130 if(e->state & ControlMask) {
131 switch(tolower(ksym)) {
159 memmove(text, text + cursor, sizeof text - cursor + 1);
165 while(i-- > 0 && text[i] == ' ');
166 while(i-- > 0 && text[i] != ' ');
167 memmove(text + i + 1, text + cursor, sizeof text - cursor + 1);
175 if(!(fp = popen("sselp", "r")))
176 eprint("dinput: cannot popen sselp\n");
177 s = fgets(buf, sizeof buf, fp);
183 if(num && buf[num-1] == '\n')
190 num = MIN(num, sizeof text - cursor);
191 if(num && !iscntrl((int) buf[0])) {
192 memmove(text + cursor + num, text + cursor, sizeof text - cursor - num);
193 memcpy(text + cursor, buf, num);
200 for(i = 1; cursor - i > 0 && !IS_UTF8_1ST_CHAR(text[cursor - i]); i++);
201 memmove(text + cursor - i, text + cursor, sizeof text - cursor + i);
207 for(i = 1; cursor + i < len && !IS_UTF8_1ST_CHAR(text[cursor + i]); i++);
208 memmove(text + cursor, text + cursor + i, sizeof text - cursor);
223 while(cursor-- > 0 && !IS_UTF8_1ST_CHAR(text[cursor]));
226 fprintf(stdout, "%s", text);
233 while(cursor++ < len && !IS_UTF8_1ST_CHAR(text[cursor]));
243 /* main event loop */
244 while(running && !XNextEvent(dpy, &ev))
250 if(ev.xexpose.count == 0)
253 case VisibilityNotify:
254 if (ev.xvisibility.state != VisibilityUnobscured)
255 XRaiseWindow(dpy, win);
265 XineramaScreenInfo *info = NULL;
267 XModifierKeymap *modmap;
268 XSetWindowAttributes wa;
269 XWindowAttributes pwa;
271 /* init modifier map */
272 modmap = XGetModifierMapping(dpy);
273 for(i = 0; i < 8; i++)
274 for(j = 0; j < modmap->max_keypermod; j++) {
275 if(modmap->modifiermap[i * modmap->max_keypermod + j]
276 == XKeysymToKeycode(dpy, XK_Num_Lock))
277 numlockmask = (1 << i);
279 XFreeModifiermap(modmap);
284 wa.override_redirect = True;
285 wa.background_pixmap = ParentRelative;
286 wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask | VisibilityChangeMask;
288 /* menu window geometry */
289 mh = (dc.font.height + 2);
291 if(parent == RootWindow(dpy, screen) && XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
297 if(XQueryPointer(dpy, parent, &dummy, &dummy, &x, &y, &di, &di, &dui))
298 for(i = 0; i < n; i++)
299 if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height))
303 y = topbar ? info[i].y_org : info[i].y_org + info[i].height - mh;
310 XGetWindowAttributes(dpy, parent, &pwa);
312 y = topbar ? 0 : pwa.height - mh;
316 win = XCreateWindow(dpy, parent, x, y, mw, mh, 0,
317 DefaultDepth(dpy, screen), CopyFromParent,
318 DefaultVisual(dpy, screen),
319 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
323 promptw = MIN(textw(prompt), mw / 5);
324 cursor = strlen(text);
325 XMapRaised(dpy, win);
329 main(int argc, char *argv[]) {
333 /* command line args */
334 for(i = 1; i < argc; i++)
335 if(!strcmp(argv[i], "-b"))
337 else if(!strcmp(argv[i], "-e")) {
338 if(++i < argc) parent = atoi(argv[i]);
340 else if(!strcmp(argv[i], "-fn")) {
341 if(++i < argc) font = argv[i];
343 else if(!strcmp(argv[i], "-nb")) {
344 if(++i < argc) normbgcolor = argv[i];
346 else if(!strcmp(argv[i], "-nf")) {
347 if(++i < argc) normfgcolor = argv[i];
349 else if(!strcmp(argv[i], "-p")) {
350 if(++i < argc) prompt = argv[i];
352 else if(!strcmp(argv[i], "-sb")) {
353 if(++i < argc) selbgcolor = argv[i];
355 else if(!strcmp(argv[i], "-sf")) {
356 if(++i < argc) selfgcolor = argv[i];
358 else if(!strcmp(argv[i], "-v"))
359 eprint("dinput-"VERSION", © 2006-2010 dinput engineers, see LICENSE for details\n");
361 strncpy(text, argv[i], sizeof text);
363 eprint("usage: dinput [-b] [-e <xid>] [-fn <font>] [-nb <color>] [-nf <color>]\n"
364 " [-p <prompt>] [-sb <color>] [-sf <color>] [-v] [<text>]\n");
365 if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
366 fprintf(stderr, "dinput: warning: no locale support\n");
367 if(!(dpy = XOpenDisplay(NULL)))
368 eprint("dinput: cannot open display\n");
369 screen = DefaultScreen(dpy);
371 parent = RootWindow(dpy, screen);
373 running = grabkeyboard();