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228 lines
4.9 KiB
228 lines
4.9 KiB
/* See LICENSE file for copyright and license details. */
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#include <ctype.h>
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#include <locale.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <X11/keysym.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include "dmenu.h"
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/* forward declarations */
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static void cleanup(void);
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/* variables */
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static size_t cursor = 0;
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void
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cleanup(void) {
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cleanupdraw(&dc);
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XDestroyWindow(dpy, win);
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XUngrabKeyboard(dpy, CurrentTime);
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XCloseDisplay(dpy);
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}
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void
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drawbar(void)
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{
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dc.x = 0;
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dc.y = 0;
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dc.w = mw;
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dc.h = mh;
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drawbox(&dc, normcol);
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/* print prompt? */
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if(prompt) {
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dc.w = promptw;
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drawtext(&dc, prompt, selcol);
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dc.x += dc.w;
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}
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dc.w = mw - dc.x;
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drawtext(&dc, text, normcol);
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drawcursor(&dc, text, cursor, normcol);
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commitdraw(&dc, win);
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}
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void
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kpress(XKeyEvent *e) {
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char buf[sizeof text];
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int num;
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unsigned int i, len;
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KeySym ksym;
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len = strlen(text);
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num = XLookupString(e, buf, sizeof buf, &ksym, NULL);
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if(ksym == XK_KP_Enter)
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ksym = XK_Return;
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else if(ksym >= XK_KP_0 && ksym <= XK_KP_9)
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ksym = (ksym - XK_KP_0) + XK_0;
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else if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
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|| IsMiscFunctionKey(ksym) || IsPFKey(ksym)
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|| IsPrivateKeypadKey(ksym))
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return;
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/* first check if a control mask is omitted */
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if(e->state & ControlMask) {
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switch(tolower(ksym)) {
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default:
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return;
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case XK_a:
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ksym = XK_Home;
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break;
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case XK_b:
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ksym = XK_Left;
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break;
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case XK_c:
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ksym = XK_Escape;
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break;
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case XK_e:
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ksym = XK_End;
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break;
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case XK_f:
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ksym = XK_Right;
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break;
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case XK_h:
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ksym = XK_BackSpace;
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break;
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case XK_j:
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case XK_m:
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ksym = XK_Return;
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break;
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case XK_k:
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text[cursor] = '\0';
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break;
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case XK_u:
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memmove(text, text + cursor, sizeof text - cursor + 1);
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cursor = 0;
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break;
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case XK_w:
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if(cursor > 0) {
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i = cursor;
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while(i-- > 0 && text[i] == ' ');
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while(i-- > 0 && text[i] != ' ');
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memmove(text + i + 1, text + cursor, sizeof text - cursor + 1);
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cursor = i + 1;
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}
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break;
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case XK_y:
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{
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FILE *fp;
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char *s;
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if(!(fp = popen("sselp", "r")))
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eprint("cannot popen sselp\n");
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s = fgets(buf, sizeof buf, fp);
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pclose(fp);
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if(s == NULL)
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return;
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}
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num = strlen(buf);
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if(num && buf[num-1] == '\n')
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buf[--num] = '\0';
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break;
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}
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}
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switch(ksym) {
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default:
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num = MIN(num, sizeof text - cursor);
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if(num && !iscntrl((int) buf[0])) {
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memmove(text + cursor + num, text + cursor, sizeof text - cursor - num);
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memcpy(text + cursor, buf, num);
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cursor += num;
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}
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break;
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case XK_BackSpace:
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if(cursor == 0)
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return;
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for(i = 1; cursor - i > 0 && !IS_UTF8_1ST_CHAR(text[cursor - i]); i++);
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memmove(text + cursor - i, text + cursor, sizeof text - cursor + i);
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cursor -= i;
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break;
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case XK_Delete:
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if(cursor == len)
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return;
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for(i = 1; cursor + i < len && !IS_UTF8_1ST_CHAR(text[cursor + i]); i++);
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memmove(text + cursor, text + cursor + i, sizeof text - cursor);
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break;
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case XK_End:
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cursor = len;
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break;
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case XK_Escape:
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exit(EXIT_FAILURE);
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case XK_Home:
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cursor = 0;
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break;
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case XK_Left:
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if(cursor == 0)
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return;
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while(cursor-- > 0 && !IS_UTF8_1ST_CHAR(text[cursor]));
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break;
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case XK_Return:
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fprintf(stdout, "%s", text);
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fflush(stdout);
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exit(EXIT_SUCCESS);
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case XK_Right:
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if(cursor == len)
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return;
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while(cursor++ < len && !IS_UTF8_1ST_CHAR(text[cursor]));
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break;
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}
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drawbar();
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}
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int
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main(int argc, char *argv[]) {
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unsigned int i;
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/* command line args */
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progname = "dinput";
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for(i = 1; i < argc; i++)
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if(!strcmp(argv[i], "-i"))
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; /* ignore flag */
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else if(!strcmp(argv[i], "-b"))
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topbar = False;
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else if(!strcmp(argv[i], "-l"))
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i++; /* ignore flag */
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else if(!strcmp(argv[i], "-fn")) {
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if(++i < argc) font = argv[i];
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}
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else if(!strcmp(argv[i], "-nb")) {
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if(++i < argc) normbgcolor = argv[i];
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}
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else if(!strcmp(argv[i], "-nf")) {
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if(++i < argc) normfgcolor = argv[i];
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}
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else if(!strcmp(argv[i], "-p")) {
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if(++i < argc) prompt = argv[i];
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}
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else if(!strcmp(argv[i], "-sb")) {
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if(++i < argc) selbgcolor = argv[i];
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}
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else if(!strcmp(argv[i], "-sf")) {
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if(++i < argc) selfgcolor = argv[i];
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}
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else if(!strcmp(argv[i], "-v")) {
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printf("dinput-"VERSION", © 2006-2010 dmenu engineers, see LICENSE for details\n");
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exit(EXIT_SUCCESS);
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}
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else if(!*text) {
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strncpy(text, argv[i], sizeof text);
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cursor = strlen(text);
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}
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else {
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fputs("usage: dinput [-b] [-fn <font>] [-nb <color>] [-nf <color>]\n"
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" [-p <prompt>] [-sb <color>] [-sf <color>] [-v] [<text>]\n", stderr);
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exit(EXIT_FAILURE);
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}
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if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
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fprintf(stderr, "dinput: warning: no locale support\n");
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if(!(dpy = XOpenDisplay(NULL)))
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eprint("cannot open display\n");
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if(atexit(&cleanup) != 0)
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eprint("cannot register cleanup\n");
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screen = DefaultScreen(dpy);
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root = RootWindow(dpy, screen);
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grabkeyboard();
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setup(0);
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run();
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return 0;
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}
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