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 Bool grabkeyboard(void);
29 static void kpress(XKeyEvent * e);
30 static void run(void);
31 static void setup(Bool topbar);
37 static char *prompt = NULL;
38 static char text[4096];
39 static int promptw = 0;
42 static unsigned int cursor = 0;
43 static unsigned int numlockmask = 0;
44 static unsigned int mw, mh;
45 static Bool running = True;
48 static Window win, parent;
53 XDestroyWindow(dpy, win);
54 XUngrabKeyboard(dpy, CurrentTime);
59 XRectangle r = { dc.x, dc.y + 2, 1, dc.font.height - 2 };
61 r.x += textnw(&dc, text, cursor) + dc.font.height / 2;
63 XSetForeground(dpy, dc.gc, dc.norm[ColFG]);
64 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
74 drawtext(&dc, NULL, dc.norm);
78 drawtext(&dc, prompt, dc.sel);
82 drawtext(&dc, *text ? text : NULL, dc.norm);
84 XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
92 for(len = 1000; len; len--) {
93 if(XGrabKeyboard(dpy, parent, True, GrabModeAsync, GrabModeAsync, CurrentTime)
102 kpress(XKeyEvent * e) {
103 char buf[sizeof text];
109 num = XLookupString(e, buf, sizeof buf, &ksym, NULL);
110 if(ksym == XK_KP_Enter)
112 else if(ksym >= XK_KP_0 && ksym <= XK_KP_9)
113 ksym = (ksym - XK_KP_0) + XK_0;
114 else if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
115 || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
116 || IsPrivateKeypadKey(ksym))
118 /* first check if a control mask is omitted */
119 if(e->state & ControlMask) {
120 switch(tolower(ksym)) {
148 memmove(text, text + cursor, sizeof text - cursor + 1);
154 while(i-- > 0 && text[i] == ' ');
155 while(i-- > 0 && text[i] != ' ');
156 memmove(text + i + 1, text + cursor, sizeof text - cursor + 1);
164 if(!(fp = popen("sselp", "r")))
165 eprint("cannot popen sselp\n");
166 s = fgets(buf, sizeof buf, fp);
172 if(num && buf[num-1] == '\n')
179 num = MIN(num, sizeof text - cursor);
180 if(num && !iscntrl((int) buf[0])) {
181 memmove(text + cursor + num, text + cursor, sizeof text - cursor - num);
182 memcpy(text + cursor, buf, num);
189 for(i = 1; cursor - i > 0 && !IS_UTF8_1ST_CHAR(text[cursor - i]); i++);
190 memmove(text + cursor - i, text + cursor, sizeof text - cursor + i);
196 for(i = 1; cursor + i < len && !IS_UTF8_1ST_CHAR(text[cursor + i]); i++);
197 memmove(text + cursor, text + cursor + i, sizeof text - cursor);
212 while(cursor-- > 0 && !IS_UTF8_1ST_CHAR(text[cursor]));
215 fprintf(stdout, "%s", text);
222 while(cursor++ < len && !IS_UTF8_1ST_CHAR(text[cursor]));
232 /* main event loop */
233 while(running && !XNextEvent(dpy, &ev))
239 if(ev.xexpose.count == 0)
242 case VisibilityNotify:
243 if (ev.xvisibility.state != VisibilityUnobscured)
244 XRaiseWindow(dpy, win);
254 XineramaScreenInfo *info = NULL;
256 XModifierKeymap *modmap;
257 XSetWindowAttributes wa;
258 XWindowAttributes pwa;
260 /* init modifier map */
261 modmap = XGetModifierMapping(dpy);
262 for(i = 0; i < 8; i++)
263 for(j = 0; j < modmap->max_keypermod; j++) {
264 if(modmap->modifiermap[i * modmap->max_keypermod + j]
265 == XKeysymToKeycode(dpy, XK_Num_Lock))
266 numlockmask = (1 << i);
268 XFreeModifiermap(modmap);
271 dc.norm[ColBG] = getcolor(&dc, normbgcolor);
272 dc.norm[ColFG] = getcolor(&dc, normfgcolor);
273 dc.sel[ColBG] = getcolor(&dc, selbgcolor);
274 dc.sel[ColFG] = getcolor(&dc, selfgcolor);
276 fprintf(stderr, "dc.font.xfont: %u\n", (size_t)dc.font.xfont);
279 wa.override_redirect = True;
280 wa.background_pixmap = ParentRelative;
281 wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask | VisibilityChangeMask;
283 /* input window geometry */
284 mh = dc.font.height + 2;
286 if(parent == RootWindow(dpy, screen) && XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
292 if(XQueryPointer(dpy, parent, &dummy, &dummy, &x, &y, &di, &di, &dui))
293 for(i = 0; i < n; i++)
294 if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height))
298 y = topbar ? info[i].y_org : info[i].y_org + info[i].height - mh;
305 XGetWindowAttributes(dpy, parent, &pwa);
307 y = topbar ? 0 : pwa.height - mh;
311 win = XCreateWindow(dpy, parent, x, y, mw, mh, 0,
312 DefaultDepth(dpy, screen), CopyFromParent,
313 DefaultVisual(dpy, screen),
314 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
318 promptw = MIN(textw(&dc, prompt), mw / 5);
319 cursor = strlen(text);
320 XMapRaised(dpy, win);
324 main(int argc, char *argv[]) {
328 /* command line args */
330 for(i = 1; i < argc; i++)
331 if(!strcmp(argv[i], "-b"))
333 else if(!strcmp(argv[i], "-e")) {
334 if(++i < argc) parent = atoi(argv[i]);
336 else if(!strcmp(argv[i], "-fn")) {
337 if(++i < argc) font = argv[i];
339 else if(!strcmp(argv[i], "-nb")) {
340 if(++i < argc) normbgcolor = argv[i];
342 else if(!strcmp(argv[i], "-nf")) {
343 if(++i < argc) normfgcolor = argv[i];
345 else if(!strcmp(argv[i], "-p")) {
346 if(++i < argc) prompt = argv[i];
348 else if(!strcmp(argv[i], "-sb")) {
349 if(++i < argc) selbgcolor = argv[i];
351 else if(!strcmp(argv[i], "-sf")) {
352 if(++i < argc) selfgcolor = argv[i];
354 else if(!strcmp(argv[i], "-v"))
355 eprint("dinput-"VERSION", © 2006-2010 dinput engineers, see LICENSE for details\n");
357 strncpy(text, argv[i], sizeof text);
359 eprint("usage: dinput [-b] [-e <xid>] [-fn <font>] [-nb <color>] [-nf <color>]\n"
360 " [-p <prompt>] [-sb <color>] [-sf <color>] [-v] [<text>]\n");
361 if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
362 fprintf(stderr, "dinput: warning: no locale support\n");
363 if(!(dpy = XOpenDisplay(NULL)))
364 eprint("cannot open display\n");
365 screen = DefaultScreen(dpy);
367 parent = RootWindow(dpy, screen);
369 running = grabkeyboard();