You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
377 lines
8.5 KiB
377 lines
8.5 KiB
/* See LICENSE file for copyright and license details. */
|
|
#include <ctype.h>
|
|
#include <locale.h>
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <strings.h>
|
|
#include <unistd.h>
|
|
#include <X11/keysym.h>
|
|
#include <X11/Xlib.h>
|
|
#include <X11/Xutil.h>
|
|
#ifdef XINERAMA
|
|
#include <X11/extensions/Xinerama.h>
|
|
#endif
|
|
|
|
/* macros */
|
|
#define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
|
|
#define INRECT(X,Y,RX,RY,RW,RH) ((X) >= (RX) && (X) < (RX) + (RW) && (Y) >= (RY) && (Y) < (RY) + (RH))
|
|
#define MIN(a, b) ((a) < (b) ? (a) : (b))
|
|
#define MAX(a, b) ((a) > (b) ? (a) : (b))
|
|
#define IS_UTF8_1ST_CHAR(c) ((((c) & 0xc0) == 0xc0) || !((c) & 0x80))
|
|
|
|
/* forward declarations */
|
|
static void cleanup(void);
|
|
static void drawcursor(void);
|
|
static void drawinput(void);
|
|
static Bool grabkeyboard(void);
|
|
static void kpress(XKeyEvent * e);
|
|
static void run(void);
|
|
static void setup(Bool topbar);
|
|
|
|
#include "config.h"
|
|
#include "draw.h"
|
|
|
|
/* variables */
|
|
static char *prompt = NULL;
|
|
static char text[4096];
|
|
static int promptw = 0;
|
|
static int ret = 0;
|
|
static int screen;
|
|
static unsigned int cursor = 0;
|
|
static unsigned int numlockmask = 0;
|
|
static unsigned int mw, mh;
|
|
static Bool running = True;
|
|
static DC dc;
|
|
static Display *dpy;
|
|
static Window win, parent;
|
|
|
|
void
|
|
cleanup(void) {
|
|
cleanupdraw(&dc);
|
|
XDestroyWindow(dpy, win);
|
|
XUngrabKeyboard(dpy, CurrentTime);
|
|
}
|
|
|
|
void
|
|
drawcursor(void) {
|
|
XRectangle r = { dc.x, dc.y + 2, 1, dc.font.height - 2 };
|
|
|
|
r.x += textnw(&dc, text, cursor) + dc.font.height / 2;
|
|
|
|
XSetForeground(dpy, dc.gc, dc.norm[ColFG]);
|
|
XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
|
|
}
|
|
|
|
void
|
|
drawinput(void)
|
|
{
|
|
dc.x = 0;
|
|
dc.y = 0;
|
|
dc.w = mw;
|
|
dc.h = mh;
|
|
drawtext(&dc, NULL, dc.norm);
|
|
/* print prompt? */
|
|
if(prompt) {
|
|
dc.w = promptw;
|
|
drawtext(&dc, prompt, dc.sel);
|
|
dc.x += dc.w;
|
|
}
|
|
dc.w = mw - dc.x;
|
|
drawtext(&dc, *text ? text : NULL, dc.norm);
|
|
drawcursor();
|
|
XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
|
|
XFlush(dpy);
|
|
}
|
|
|
|
Bool
|
|
grabkeyboard(void) {
|
|
unsigned int len;
|
|
|
|
for(len = 1000; len; len--) {
|
|
if(XGrabKeyboard(dpy, parent, True, GrabModeAsync, GrabModeAsync, CurrentTime)
|
|
== GrabSuccess)
|
|
break;
|
|
usleep(1000);
|
|
}
|
|
return len > 0;
|
|
}
|
|
|
|
void
|
|
kpress(XKeyEvent * e) {
|
|
char buf[sizeof text];
|
|
int num;
|
|
unsigned int i, len;
|
|
KeySym ksym;
|
|
|
|
len = strlen(text);
|
|
num = XLookupString(e, buf, sizeof buf, &ksym, NULL);
|
|
if(ksym == XK_KP_Enter)
|
|
ksym = XK_Return;
|
|
else if(ksym >= XK_KP_0 && ksym <= XK_KP_9)
|
|
ksym = (ksym - XK_KP_0) + XK_0;
|
|
else if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
|
|
|| IsMiscFunctionKey(ksym) || IsPFKey(ksym)
|
|
|| IsPrivateKeypadKey(ksym))
|
|
return;
|
|
/* first check if a control mask is omitted */
|
|
if(e->state & ControlMask) {
|
|
switch(tolower(ksym)) {
|
|
default:
|
|
return;
|
|
case XK_a:
|
|
ksym = XK_Home;
|
|
break;
|
|
case XK_b:
|
|
ksym = XK_Left;
|
|
break;
|
|
case XK_c:
|
|
ksym = XK_Escape;
|
|
break;
|
|
case XK_e:
|
|
ksym = XK_End;
|
|
break;
|
|
case XK_f:
|
|
ksym = XK_Right;
|
|
break;
|
|
case XK_h:
|
|
ksym = XK_BackSpace;
|
|
break;
|
|
case XK_j:
|
|
ksym = XK_Return;
|
|
break;
|
|
case XK_k:
|
|
text[cursor] = '\0';
|
|
break;
|
|
case XK_u:
|
|
memmove(text, text + cursor, sizeof text - cursor + 1);
|
|
cursor = 0;
|
|
break;
|
|
case XK_w:
|
|
if(cursor > 0) {
|
|
i = cursor;
|
|
while(i-- > 0 && text[i] == ' ');
|
|
while(i-- > 0 && text[i] != ' ');
|
|
memmove(text + i + 1, text + cursor, sizeof text - cursor + 1);
|
|
cursor = i + 1;
|
|
}
|
|
break;
|
|
case XK_y:
|
|
{
|
|
FILE *fp;
|
|
char *s;
|
|
if(!(fp = popen("sselp", "r")))
|
|
eprint("cannot popen sselp\n");
|
|
s = fgets(buf, sizeof buf, fp);
|
|
pclose(fp);
|
|
if(s == NULL)
|
|
return;
|
|
}
|
|
num = strlen(buf);
|
|
if(num && buf[num-1] == '\n')
|
|
buf[--num] = '\0';
|
|
break;
|
|
}
|
|
}
|
|
switch(ksym) {
|
|
default:
|
|
num = MIN(num, sizeof text - cursor);
|
|
if(num && !iscntrl((int) buf[0])) {
|
|
memmove(text + cursor + num, text + cursor, sizeof text - cursor - num);
|
|
memcpy(text + cursor, buf, num);
|
|
cursor += num;
|
|
}
|
|
break;
|
|
case XK_BackSpace:
|
|
if(cursor == 0)
|
|
return;
|
|
for(i = 1; cursor - i > 0 && !IS_UTF8_1ST_CHAR(text[cursor - i]); i++);
|
|
memmove(text + cursor - i, text + cursor, sizeof text - cursor + i);
|
|
cursor -= i;
|
|
break;
|
|
case XK_Delete:
|
|
if(cursor == len)
|
|
return;
|
|
for(i = 1; cursor + i < len && !IS_UTF8_1ST_CHAR(text[cursor + i]); i++);
|
|
memmove(text + cursor, text + cursor + i, sizeof text - cursor);
|
|
break;
|
|
case XK_End:
|
|
cursor = len;
|
|
break;
|
|
case XK_Escape:
|
|
ret = 1;
|
|
running = False;
|
|
return;
|
|
case XK_Home:
|
|
cursor = 0;
|
|
break;
|
|
case XK_Left:
|
|
if(cursor == 0)
|
|
return;
|
|
while(cursor-- > 0 && !IS_UTF8_1ST_CHAR(text[cursor]));
|
|
break;
|
|
case XK_Return:
|
|
fprintf(stdout, "%s", text);
|
|
fflush(stdout);
|
|
running = False;
|
|
return;
|
|
case XK_Right:
|
|
if(cursor == len)
|
|
return;
|
|
while(cursor++ < len && !IS_UTF8_1ST_CHAR(text[cursor]));
|
|
break;
|
|
}
|
|
drawinput();
|
|
}
|
|
|
|
void
|
|
run(void) {
|
|
XEvent ev;
|
|
|
|
/* main event loop */
|
|
while(running && !XNextEvent(dpy, &ev))
|
|
switch (ev.type) {
|
|
case KeyPress:
|
|
kpress(&ev.xkey);
|
|
break;
|
|
case Expose:
|
|
if(ev.xexpose.count == 0)
|
|
drawinput();
|
|
break;
|
|
case VisibilityNotify:
|
|
if (ev.xvisibility.state != VisibilityUnobscured)
|
|
XRaiseWindow(dpy, win);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
setup(Bool topbar) {
|
|
int i, j, x, y;
|
|
#if XINERAMA
|
|
int n;
|
|
XineramaScreenInfo *info = NULL;
|
|
#endif
|
|
XModifierKeymap *modmap;
|
|
XSetWindowAttributes wa;
|
|
XWindowAttributes pwa;
|
|
|
|
/* init modifier map */
|
|
modmap = XGetModifierMapping(dpy);
|
|
for(i = 0; i < 8; i++)
|
|
for(j = 0; j < modmap->max_keypermod; j++) {
|
|
if(modmap->modifiermap[i * modmap->max_keypermod + j]
|
|
== XKeysymToKeycode(dpy, XK_Num_Lock))
|
|
numlockmask = (1 << i);
|
|
}
|
|
XFreeModifiermap(modmap);
|
|
|
|
dc.dpy = dpy;
|
|
dc.norm[ColBG] = getcolor(&dc, normbgcolor);
|
|
dc.norm[ColFG] = getcolor(&dc, normfgcolor);
|
|
dc.sel[ColBG] = getcolor(&dc, selbgcolor);
|
|
dc.sel[ColFG] = getcolor(&dc, selfgcolor);
|
|
initfont(&dc, font);
|
|
fprintf(stderr, "dc.font.xfont: %u\n", (size_t)dc.font.xfont);
|
|
|
|
/* input window */
|
|
wa.override_redirect = True;
|
|
wa.background_pixmap = ParentRelative;
|
|
wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask | VisibilityChangeMask;
|
|
|
|
/* input window geometry */
|
|
mh = dc.font.height + 2;
|
|
#if XINERAMA
|
|
if(parent == RootWindow(dpy, screen) && XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
|
|
i = 0;
|
|
if(n > 1) {
|
|
int di;
|
|
unsigned int dui;
|
|
Window dummy;
|
|
if(XQueryPointer(dpy, parent, &dummy, &dummy, &x, &y, &di, &di, &dui))
|
|
for(i = 0; i < n; i++)
|
|
if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height))
|
|
break;
|
|
}
|
|
x = info[i].x_org;
|
|
y = topbar ? info[i].y_org : info[i].y_org + info[i].height - mh;
|
|
mw = info[i].width;
|
|
XFree(info);
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
XGetWindowAttributes(dpy, parent, &pwa);
|
|
x = 0;
|
|
y = topbar ? 0 : pwa.height - mh;
|
|
mw = pwa.width;
|
|
}
|
|
|
|
win = XCreateWindow(dpy, parent, x, y, mw, mh, 0,
|
|
DefaultDepth(dpy, screen), CopyFromParent,
|
|
DefaultVisual(dpy, screen),
|
|
CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
|
|
|
|
setupdraw(&dc, win);
|
|
if(prompt)
|
|
promptw = MIN(textw(&dc, prompt), mw / 5);
|
|
cursor = strlen(text);
|
|
XMapRaised(dpy, win);
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[]) {
|
|
unsigned int i;
|
|
Bool topbar = True;
|
|
|
|
/* command line args */
|
|
progname = argv[0];
|
|
for(i = 1; i < argc; i++)
|
|
if(!strcmp(argv[i], "-b"))
|
|
topbar = False;
|
|
else if(!strcmp(argv[i], "-e")) {
|
|
if(++i < argc) parent = atoi(argv[i]);
|
|
}
|
|
else if(!strcmp(argv[i], "-fn")) {
|
|
if(++i < argc) font = argv[i];
|
|
}
|
|
else if(!strcmp(argv[i], "-nb")) {
|
|
if(++i < argc) normbgcolor = argv[i];
|
|
}
|
|
else if(!strcmp(argv[i], "-nf")) {
|
|
if(++i < argc) normfgcolor = argv[i];
|
|
}
|
|
else if(!strcmp(argv[i], "-p")) {
|
|
if(++i < argc) prompt = argv[i];
|
|
}
|
|
else if(!strcmp(argv[i], "-sb")) {
|
|
if(++i < argc) selbgcolor = argv[i];
|
|
}
|
|
else if(!strcmp(argv[i], "-sf")) {
|
|
if(++i < argc) selfgcolor = argv[i];
|
|
}
|
|
else if(!strcmp(argv[i], "-v"))
|
|
eprint("dinput-"VERSION", © 2006-2010 dinput engineers, see LICENSE for details\n");
|
|
else if(!*text)
|
|
strncpy(text, argv[i], sizeof text);
|
|
else
|
|
eprint("usage: dinput [-b] [-e <xid>] [-fn <font>] [-nb <color>] [-nf <color>]\n"
|
|
" [-p <prompt>] [-sb <color>] [-sf <color>] [-v] [<text>]\n");
|
|
if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
|
|
fprintf(stderr, "dinput: warning: no locale support\n");
|
|
if(!(dpy = XOpenDisplay(NULL)))
|
|
eprint("cannot open display\n");
|
|
screen = DefaultScreen(dpy);
|
|
if(!parent)
|
|
parent = RootWindow(dpy, screen);
|
|
|
|
running = grabkeyboard();
|
|
setup(topbar);
|
|
drawinput();
|
|
XSync(dpy, False);
|
|
run();
|
|
cleanup();
|
|
XCloseDisplay(dpy);
|
|
return ret;
|
|
}
|