diff options
Diffstat (limited to 'spine.c')
| -rw-r--r-- | spine.c | 339 |
1 files changed, 339 insertions, 0 deletions
@@ -0,0 +1,339 @@ +#include <signal.h> +#include <time.h> +#include <ctype.h> +#include <locale.h> +#include <stdio.h> +#include <stdlib.h> +#include <strings.h> +#include <string.h> +#include <unistd.h> +#include <X11/Xlib.h> +#include <X11/Xatom.h> +#include <X11/Xutil.h> +#include <X11/Xft/Xft.h> + +#include "drw.h" +#include "util.h" + +#include "pinentry/pinentry.h" +#include "pinentry/memory.h" + +/* macros */ +#define INTERSECT(x,y,w,h,r) (MAX(0, MIN((x)+(w),(r).x_org+(r).width) - MAX((x),(r).x_org)) \ + * MAX(0, MIN((y)+(h),(r).y_org+(r).height) - MAX((y),(r).y_org))) +#define LENGTH(X) (sizeof X / sizeof X[0]) +#define TEXTNW(X,N) (drw_font_getexts_width(drw->fonts[0], (X), (N))) +#define TEXTW(X) (drw_text(drw, 0, 0, 0, 0, (X), 0) + drw->fonts[0]->h) + +const char *str_OK = "OK\n"; +const char *str_ERRUNPARS = "ERR1337 dunno what to do with it\n"; +const char *str_ERRNOTIMP = "ERR4100 not implemented yet\n"; + +/* enums */ +enum { SchemeNorm, SchemeSel, SchemeLast }; /* color schemes */ + +static char text[2048] = ""; +static int bh, mw, mh; +static int inputw, promptw; +static size_t cursor = 0; +static Atom clip, utf8; +static Window win; +static XIC xic; +static int mon = -1; + +static ClrScheme scheme[SchemeLast]; +static Display *dpy; +static int screen; +static Window root; +static Drw *drw; +static int sw, sh; + +static int timed_out; + +#include "config.h" + +void +grabkeyboard(void) { + int i; + + /* try to grab keyboard, we may have to wait for another process to ungrab */ + for(i = 0; i < 1000; i++) { + if(XGrabKeyboard(dpy, DefaultRootWindow(dpy), True, + GrabModeAsync, GrabModeAsync, CurrentTime) == GrabSuccess) + return; + usleep(1000); + } + die("cannot grab keyboard\n"); +} + +size_t +nextrune(int cursor, int inc) { + ssize_t n; + + /* return location of next utf8 rune in the given direction (+1 or -1) */ + for(n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc); + return n; +} + + +void +insert(const char *str, ssize_t n) { + if(strlen(text) + n > sizeof text - 1) + return; + /* move existing text out of the way, insert new text, and update cursor */ + memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0)); + if(n > 0) + memcpy(&text[cursor], str, n); + cursor += n; +} + +void +drawwin(void){ + int curpos; + int x=0, y=0, h=bh, w; + drw_setscheme(drw, &scheme[SchemeNorm]); + drw_rect(drw, 0,0,mw,mh,True,1,1); + + if (description && *description) { + drw_setscheme(drw, &scheme[SchemeSel]); + drw_text(drw, 0,0,mw,bh,description,0); + y+=bh; + } + + if (prompt && *prompt) { + drw_setscheme(drw, &scheme[SchemeSel]); + drw_text(drw, x, y, promptw, bh, prompt, 0); + x += promptw; + } + + w = inputw; + drw_setscheme(drw, &scheme[SchemeNorm]); + + char *sectext = malloc (sizeof (char) * 2048); + sectext[0] = '\0'; + int i; + int seccursor=0; + for (i=0; text[i]!='\0'; i=nextrune(i, +1)){ + strcat(sectext, secchar); + if (i<cursor){ + ssize_t n; + for(n = seccursor + 1; n + 1 >= 0 && (sectext[n] & 0xc0) == 0x80; n ++); + seccursor = n; + } + } + + drw_text(drw, x, y, mw, bh, sectext, 0); + if((curpos = TEXTNW(sectext, seccursor) + bh/2 - 2) < w) { + drw_rect(drw, x + curpos + 2, y + 2, 1 , bh-4 , True, 1, 0); + } + + drw_map(drw, win, 0, 0, mw, mh); +} + +void +setup(void){ + int x,y; + XSetWindowAttributes swa; + XIM xim; + scheme[SchemeNorm].bg = drw_clr_create(drw, normbgcolor); + scheme[SchemeNorm].fg = drw_clr_create(drw, normfgcolor); + scheme[SchemeSel].bg = drw_clr_create(drw, selbgcolor); + scheme[SchemeSel].fg = drw_clr_create(drw, selfgcolor); + clip = XInternAtom(dpy, "CLIPBOARD", False); + utf8 = XInternAtom(dpy, "UTF8_STRING", False); + bh = drw->fonts[0]->h + 2; + mh = (description && *description)? bh * 2 : bh; + x = 0; + y = topbar ? 0 : sh - mh; + mw = sw; + promptw = (prompt && *prompt) ? TEXTW(prompt) : 0; + inputw = mw-promptw; + swa.override_redirect = True; + swa.background_pixel = scheme[SchemeNorm].bg->pix; + swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask; + win = XCreateWindow(dpy, root, x, y, mw, mh, 0, + DefaultDepth(dpy, screen), CopyFromParent, + DefaultVisual(dpy, screen), + CWOverrideRedirect | CWBackPixel | CWEventMask, &swa); + + xim = XOpenIM(dpy, NULL, NULL, NULL); + xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing, + XNClientWindow, win, XNFocusWindow, win, NULL); + + XMapRaised(dpy, win); + drw_resize(drw, mw, mh); + + drawwin(); +} + +void +cleanup(void) { + XUngrabKey(dpy, AnyKey, AnyModifier, root); + drw_clr_free(scheme[SchemeNorm].bg); + drw_clr_free(scheme[SchemeNorm].fg); + drw_clr_free(scheme[SchemeSel].fg); + drw_clr_free(scheme[SchemeSel].bg); + drw_free(drw); + XSync(dpy, False); + XCloseDisplay(dpy); +} + + +int +keypress(XKeyEvent *ev) { + char buf[32]; + int len; + KeySym ksym = NoSymbol; + Status status; + len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status); + if (status == XBufferOverflow) + return 0; + switch(ksym){ + default: + if (!iscntrl(*buf)) + insert(buf, len); + break; + case XK_Delete: + if(text[cursor] == '\0') + return 0; + cursor = nextrune(cursor, +1); + /* fallthrough */ + case XK_BackSpace: + if(cursor == 0) + return 0; + insert(NULL, nextrune(cursor, -1) - cursor); + break; + case XK_Escape: + cleanup(); + exit(1); + break; + case XK_Left: + if(cursor > 0) { + cursor = nextrune(cursor, -1); + } + break; + case XK_Right: + if(text[cursor]!='\0') { + cursor = nextrune(cursor, +1); + } + break; + case XK_Return: + case XK_KP_Enter: + return 1; + break; + } + drawwin(); + return 0; +} + +void +paste(void) { + char *p, *q; + int di; + unsigned long dl; + Atom da; + + /* we have been given the current selection, now insert it into input */ + XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False, + utf8, &da, &di, &dl, &dl, (unsigned char **)&p); + insert(p, (q = strchr(p, '\n')) ? q-p : (ssize_t)strlen(p)); + XFree(p); + drawwin(); +} + +void +run(void) { + XEvent ev; + while(!XNextEvent(dpy, &ev)) { + if(XFilterEvent(&ev, win)) + continue; /*what is this I don't even*/ + switch(ev.type) { + case Expose: + if(ev.xexpose.count == 0) + drw_map(drw, win, 0, 0, mw, mh); + break; + case KeyPress: + if (keypress(&ev.xkey)) return; + break; + case SelectionNotify: + if(ev.xselection.property == utf8) + paste(); + break; + case VisibilityNotify: + if(ev.xvisibility.state != VisibilityUnobscured) + XRaiseWindow(dpy, win); + break; + } + } +} + +void +promptwin(pinentry_t pinentry) { + if(!setlocale(LC_CTYPE, "") || !XSupportsLocale()) + fputs("warning: no locale support\n", stderr); + if(!(dpy = XOpenDisplay(pinentry->display))) /*NULL was here*/ + die("dmenu: cannot open display\n"); + screen = DefaultScreen(dpy); + root = RootWindow(dpy, screen); + sw = DisplayWidth(dpy, screen); + sh = DisplayHeight(dpy, screen); + drw = drw_create(dpy, screen, root, sw, sh); + drw_load_fonts(drw, fonts, LENGTH(fonts)); + if(!drw->fontcount) + die("No fonts could be loaded.\n"); + drw_setscheme(drw, &scheme[SchemeNorm]); + grabkeyboard(); + setup(); + run(); + cleanup(); +} + +static void +catchsig(int sig) +{ + if (sig == SIGALRM) + timed_out = 1; +} + +int +password (pinentry_t pinentry) { + promptwin(pinentry); + char *buf = secmem_malloc(strlen(text)); + strcpy(buf, text); + pinentry_setbuffer_use (pinentry, buf, 0); + return 1; +} + +int +confirm(pinentry_t pinentry) { + return 1; +} + +int +spinecmdhandler (pinentry_t pinentry) { + if (pinentry->timeout){ + struct sigaction sa; + + memset(&sa, 0, sizeof(sa)); + sa.sa_handler = catchsig; + sigaction(SIGALRM, &sa, NULL); + alarm(pinentry->timeout); + } + if (pinentry->pin) + return password(pinentry); + else + return confirm(pinentry); + + return -1; +} + +pinentry_cmd_handler_t pinentry_cmd_handler = spinecmdhandler; + +int +main(int argc, char *argv[]){ + pinentry_init("spine"); + pinentry_parse_opts(argc, argv); + if (pinentry_loop()) + return 1; + return 0; +}
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