1 /* See LICENSE file for copyright and license details. */
9 #include <X11/keysym.h>
11 #include <X11/Xutil.h>
13 #include <X11/extensions/Xinerama.h>
17 #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
18 #define INRECT(X,Y,RX,RY,RW,RH) ((X) >= (RX) && (X) < (RX) + (RW) && (Y) >= (RY) && (Y) < (RY) + (RH))
19 #define MIN(a, b) ((a) < (b) ? (a) : (b))
20 #define MAX(a, b) ((a) > (b) ? (a) : (b))
21 #define IS_UTF8_1ST_CHAR(c) ((((c) & 0xc0) == 0xc0) || !((c) & 0x80))
23 /* forward declarations */
24 static void cleanup(void);
25 static void drawcursor(void);
26 static void drawinput(void);
27 static Bool grabkeyboard(void);
28 static void kpress(XKeyEvent *e);
29 static void run(void);
30 static void setup(Bool topbar);
36 static char *prompt = NULL;
37 static char text[4096];
38 static int promptw = 0;
41 static unsigned int cursor = 0;
42 static unsigned int numlockmask = 0;
43 static unsigned int mw, mh;
44 static unsigned long normcol[ColLast];
45 static unsigned long selcol[ColLast];
46 static Bool running = True;
49 static Window win, parent;
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(&dc, text, cursor) + dc.font.height / 2;
64 XSetForeground(dpy, dc.gc, normcol[ColFG]);
65 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
75 drawtext(&dc, NULL, normcol, False);
79 drawtext(&dc, prompt, selcol, False);
83 drawtext(&dc, *text ? text : NULL, normcol, False);
85 XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
93 for(len = 1000; len; len--) {
94 if(XGrabKeyboard(dpy, parent, True, GrabModeAsync, GrabModeAsync, CurrentTime)
103 kpress(XKeyEvent *e) {
104 char buf[sizeof text];
110 num = XLookupString(e, buf, sizeof buf, &ksym, NULL);
111 if(ksym == XK_KP_Enter)
113 else if(ksym >= XK_KP_0 && ksym <= XK_KP_9)
114 ksym = (ksym - XK_KP_0) + XK_0;
115 else if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
116 || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
117 || IsPrivateKeypadKey(ksym))
119 /* first check if a control mask is omitted */
120 if(e->state & ControlMask) {
121 switch(tolower(ksym)) {
150 memmove(text, text + cursor, sizeof text - cursor + 1);
156 while(i-- > 0 && text[i] == ' ');
157 while(i-- > 0 && text[i] != ' ');
158 memmove(text + i + 1, text + cursor, sizeof text - cursor + 1);
166 if(!(fp = popen("sselp", "r")))
167 eprint("cannot popen sselp\n");
168 s = fgets(buf, sizeof buf, fp);
174 if(num && buf[num-1] == '\n')
181 num = MIN(num, sizeof text - cursor);
182 if(num && !iscntrl((int) buf[0])) {
183 memmove(text + cursor + num, text + cursor, sizeof text - cursor - num);
184 memcpy(text + cursor, buf, num);
191 for(i = 1; cursor - i > 0 && !IS_UTF8_1ST_CHAR(text[cursor - i]); i++);
192 memmove(text + cursor - i, text + cursor, sizeof text - cursor + i);
198 for(i = 1; cursor + i < len && !IS_UTF8_1ST_CHAR(text[cursor + i]); i++);
199 memmove(text + cursor, text + cursor + i, sizeof text - cursor);
214 while(cursor-- > 0 && !IS_UTF8_1ST_CHAR(text[cursor]));
217 fprintf(stdout, "%s", text);
224 while(cursor++ < len && !IS_UTF8_1ST_CHAR(text[cursor]));
234 /* main event loop */
235 while(running && !XNextEvent(dpy, &ev))
241 if(ev.xexpose.count == 0)
244 case VisibilityNotify:
245 if (ev.xvisibility.state != VisibilityUnobscured)
246 XRaiseWindow(dpy, win);
256 XineramaScreenInfo *info = NULL;
258 XModifierKeymap *modmap;
259 XSetWindowAttributes wa;
260 XWindowAttributes pwa;
262 /* init modifier map */
263 modmap = XGetModifierMapping(dpy);
264 for(i = 0; i < 8; i++)
265 for(j = 0; j < modmap->max_keypermod; j++) {
266 if(modmap->modifiermap[i * modmap->max_keypermod + j]
267 == XKeysymToKeycode(dpy, XK_Num_Lock))
268 numlockmask = (1 << i);
270 XFreeModifiermap(modmap);
273 normcol[ColBG] = getcolor(&dc, normbgcolor);
274 normcol[ColFG] = getcolor(&dc, normfgcolor);
275 selcol[ColBG] = getcolor(&dc, selbgcolor);
276 selcol[ColFG] = getcolor(&dc, selfgcolor);
280 wa.override_redirect = True;
281 wa.background_pixmap = ParentRelative;
282 wa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
284 /* input window geometry */
285 mh = dc.font.height + 2;
287 if(parent == RootWindow(dpy, screen) && XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
293 if(XQueryPointer(dpy, parent, &dummy, &dummy, &x, &y, &di, &di, &dui))
294 for(i = 0; i < n; i++)
295 if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height))
299 y = topbar ? info[i].y_org : info[i].y_org + info[i].height - mh;
306 XGetWindowAttributes(dpy, parent, &pwa);
308 y = topbar ? 0 : pwa.height - mh;
312 win = XCreateWindow(dpy, parent, x, y, mw, mh, 0,
313 DefaultDepth(dpy, screen), CopyFromParent,
314 DefaultVisual(dpy, screen),
315 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
319 promptw = MIN(textw(&dc, prompt), mw / 5);
320 cursor = strlen(text);
321 XMapRaised(dpy, win);
325 main(int argc, char *argv[]) {
329 /* command line args */
331 for(i = 1; i < argc; i++)
332 if(!strcmp(argv[i], "-i"))
334 else if(!strcmp(argv[i], "-b"))
336 else if(!strcmp(argv[i], "-e")) {
337 if(++i < argc) parent = atoi(argv[i]);
339 else if(!strcmp(argv[i], "-l"))
340 i++; /* ignore flag */
341 else if(!strcmp(argv[i], "-fn")) {
342 if(++i < argc) font = argv[i];
344 else if(!strcmp(argv[i], "-nb")) {
345 if(++i < argc) normbgcolor = argv[i];
347 else if(!strcmp(argv[i], "-nf")) {
348 if(++i < argc) normfgcolor = argv[i];
350 else if(!strcmp(argv[i], "-p")) {
351 if(++i < argc) prompt = argv[i];
353 else if(!strcmp(argv[i], "-sb")) {
354 if(++i < argc) selbgcolor = argv[i];
356 else if(!strcmp(argv[i], "-sf")) {
357 if(++i < argc) selfgcolor = argv[i];
359 else if(!strcmp(argv[i], "-v")) {
360 printf("dinput-"VERSION", © 2006-2010 dinput engineers, see LICENSE for details\n");
364 strncpy(text, argv[i], sizeof text);
366 fputs("usage: dinput [-b] [-e <xid>] [-fn <font>] [-nb <color>] [-nf <color>]\n"
367 " [-p <prompt>] [-sb <color>] [-sf <color>] [-v] [<text>]\n", stderr);
370 if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
371 fprintf(stderr, "dinput: warning: no locale support\n");
372 if(!(dpy = XOpenDisplay(NULL)))
373 eprint("cannot open display\n");
374 screen = DefaultScreen(dpy);
376 parent = RootWindow(dpy, screen);
378 running = grabkeyboard();