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;
41 static unsigned int cursor = 0;
42 static unsigned int numlockmask = 0;
43 static Bool running = True;
55 XDestroyWindow(dpy, win);
56 XUngrabKeyboard(dpy, CurrentTime);
61 XRectangle r = { dc.x, dc.y + 2, 1, dc.font.height - 2 };
63 r.x += textnw(text, cursor) + dc.font.height / 2;
65 XSetForeground(dpy, dc.gc, dc.norm[ColFG]);
66 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
76 drawtext(NULL, dc.norm);
80 drawtext(prompt, dc.sel);
84 drawtext(*text ? text : NULL, dc.norm);
86 XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
94 for(len = 1000; len; len--) {
95 if(XGrabKeyboard(dpy, parent, True, GrabModeAsync, GrabModeAsync, CurrentTime)
104 kpress(XKeyEvent * e) {
105 char buf[sizeof text];
111 num = XLookupString(e, buf, sizeof buf, &ksym, NULL);
112 if(ksym == XK_KP_Enter)
114 else if(ksym >= XK_KP_0 && ksym <= XK_KP_9)
115 ksym = (ksym - XK_KP_0) + XK_0;
116 else if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
117 || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
118 || IsPrivateKeypadKey(ksym))
120 /* first check if a control mask is omitted */
121 if(e->state & ControlMask) {
122 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);
275 wa.override_redirect = True;
276 wa.background_pixmap = ParentRelative;
277 wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask | VisibilityChangeMask;
279 /* menu window geometry */
280 mh = (dc.font.height + 2);
282 if(parent == RootWindow(dpy, screen) && XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
288 if(XQueryPointer(dpy, parent, &dummy, &dummy, &x, &y, &di, &di, &dui))
289 for(i = 0; i < n; i++)
290 if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height))
294 y = topbar ? info[i].y_org : info[i].y_org + info[i].height - mh;
301 XGetWindowAttributes(dpy, parent, &pwa);
303 y = topbar ? 0 : pwa.height - mh;
307 win = XCreateWindow(dpy, parent, x, y, mw, mh, 0,
308 DefaultDepth(dpy, screen), CopyFromParent,
309 DefaultVisual(dpy, screen),
310 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
314 promptw = MIN(textw(prompt), mw / 5);
315 cursor = strlen(text);
316 XMapRaised(dpy, win);
320 main(int argc, char *argv[]) {
324 /* command line args */
326 for(i = 1; i < argc; i++)
327 if(!strcmp(argv[i], "-b"))
329 else if(!strcmp(argv[i], "-e")) {
330 if(++i < argc) parent = atoi(argv[i]);
332 else if(!strcmp(argv[i], "-fn")) {
333 if(++i < argc) font = argv[i];
335 else if(!strcmp(argv[i], "-nb")) {
336 if(++i < argc) normbgcolor = argv[i];
338 else if(!strcmp(argv[i], "-nf")) {
339 if(++i < argc) normfgcolor = argv[i];
341 else if(!strcmp(argv[i], "-p")) {
342 if(++i < argc) prompt = argv[i];
344 else if(!strcmp(argv[i], "-sb")) {
345 if(++i < argc) selbgcolor = argv[i];
347 else if(!strcmp(argv[i], "-sf")) {
348 if(++i < argc) selfgcolor = argv[i];
350 else if(!strcmp(argv[i], "-v"))
351 eprint("dinput-"VERSION", © 2006-2010 dinput engineers, see LICENSE for details\n");
353 strncpy(text, argv[i], sizeof text);
355 eprint("usage: dinput [-b] [-e <xid>] [-fn <font>] [-nb <color>] [-nf <color>]\n"
356 " [-p <prompt>] [-sb <color>] [-sf <color>] [-v] [<text>]\n");
357 if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
358 fprintf(stderr, "dinput: warning: no locale support\n");
359 if(!(dpy = XOpenDisplay(NULL)))
360 eprint("cannot open display\n");
361 screen = DefaultScreen(dpy);
363 parent = RootWindow(dpy, screen);
365 running = grabkeyboard();