bool out;
};
-static void appenditem(Item *item, Item **list, Item **last);
+static void appenditem(Item *, Item **, Item **);
static void calcoffsets(void);
-static char *cistrstr(const char *s, const char *sub);
+static char *cistrstr(const char *, const char *);
static void cleanup(void);
static void drawmenu(void);
static void grabkeyboard(void);
-static void insert(const char *str, ssize_t n);
-static void keypress(XKeyEvent *ev);
+static void insert(const char *, ssize_t);
+static void keypress(XKeyEvent *);
static void match(void);
-static size_t nextrune(int inc);
+static size_t nextrune(int);
static void paste(void);
static void readstdin(void);
static void run(void);
static char text[BUFSIZ] = "";
static int bh, mw, mh;
+static int sw, sh; /* X display screen geometry width, height */
static int inputw, promptw;
-static size_t cursor = 0;
-static Atom clip, utf8;
+static size_t cursor;
static Item *items = NULL;
static Item *matches, *matchend;
static Item *prev, *curr, *next, *sel;
-static Window win;
+static int mon = -1, screen;
+
+static Atom clip, utf8;
+static Display *dpy;
+static Window root, 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; /* X display screen geometry width, height */
#include "config.h"
static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
static char *(*fstrstr)(const char *, const char *) = strstr;
-int
-main(int argc, char *argv[]) {
- bool fast = false;
- int i;
-
- for(i = 1; i < argc; i++)
- /* these options take no arguments */
- if(!strcmp(argv[i], "-v")) { /* prints version information */
- puts("dmenu-"VERSION", © 2006-2015 dmenu engineers, see LICENSE for details");
- exit(0);
- }
- else if(!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */
- topbar = false;
- else if(!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */
- fast = true;
- else if(!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
- fstrncmp = strncasecmp;
- fstrstr = cistrstr;
- }
- else if(i+1 == argc)
- usage();
- /* these options take one argument */
- else if(!strcmp(argv[i], "-l")) /* number of lines in vertical list */
- lines = atoi(argv[++i]);
- else if(!strcmp(argv[i], "-m"))
- mon = atoi(argv[++i]);
- else if(!strcmp(argv[i], "-p")) /* adds prompt to left of input field */
- prompt = argv[++i];
- else if(!strcmp(argv[i], "-fn")) /* font or font set */
- fonts[0] = argv[++i];
- else if(!strcmp(argv[i], "-nb")) /* normal background color */
- normbgcolor = argv[++i];
- else if(!strcmp(argv[i], "-nf")) /* normal foreground color */
- normfgcolor = argv[++i];
- else if(!strcmp(argv[i], "-sb")) /* selected background color */
- selbgcolor = argv[++i];
- else if(!strcmp(argv[i], "-sf")) /* selected foreground color */
- selfgcolor = argv[++i];
- else
- usage();
-
- if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
- fputs("warning: no locale support\n", stderr);
- if(!(dpy = XOpenDisplay(NULL)))
- 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]);
-
- if(fast) {
- grabkeyboard();
- readstdin();
- }
- else {
- readstdin();
- grabkeyboard();
- }
- setup();
- run();
-
- return 1; /* unreachable */
-}
-
-void
-appenditem(Item *item, Item **list, Item **last) {
- if(*last)
+static void
+appenditem(Item *item, Item **list, Item **last)
+{
+ if (*last)
(*last)->right = item;
else
*list = item;
*last = item;
}
-void
-calcoffsets(void) {
+static void
+calcoffsets(void)
+{
int i, n;
- if(lines > 0)
+ if (lines > 0)
n = lines * bh;
else
n = mw - (promptw + inputw + TEXTW("<") + TEXTW(">"));
/* calculate which items will begin the next page and previous page */
- for(i = 0, next = curr; next; next = next->right)
- if((i += (lines > 0) ? bh : MIN(TEXTW(next->text), n)) > n)
+ for (i = 0, next = curr; next; next = next->right)
+ if ((i += (lines > 0) ? bh : MIN(TEXTW(next->text), n)) > n)
break;
- for(i = 0, prev = curr; prev && prev->left; prev = prev->left)
- if((i += (lines > 0) ? bh : MIN(TEXTW(prev->left->text), n)) > n)
+ for (i = 0, prev = curr; prev && prev->left; prev = prev->left)
+ if ((i += (lines > 0) ? bh : MIN(TEXTW(prev->left->text), n)) > n)
break;
}
-void
-cleanup(void) {
+static void
+cleanup(void)
+{
XUngrabKey(dpy, AnyKey, AnyModifier, root);
drw_clr_free(scheme[SchemeNorm].bg);
drw_clr_free(scheme[SchemeNorm].fg);
XCloseDisplay(dpy);
}
-char *
-cistrstr(const char *s, const char *sub) {
+static char *
+cistrstr(const char *s, const char *sub)
+{
size_t len;
- for(len = strlen(sub); *s; s++)
- if(!strncasecmp(s, sub, len))
+ for (len = strlen(sub); *s; s++)
+ if (!strncasecmp(s, sub, len))
return (char *)s;
return NULL;
}
-void
-drawmenu(void) {
+static void
+drawmenu(void)
+{
int curpos;
Item *item;
int x = 0, y = 0, h = bh, w;
drw_setscheme(drw, &scheme[SchemeNorm]);
drw_rect(drw, 0, 0, mw, mh, 1, 1, 1);
- if(prompt && *prompt) {
+ if (prompt && *prompt) {
drw_setscheme(drw, &scheme[SchemeSel]);
drw_text(drw, x, 0, promptw, bh, prompt, 0);
x += promptw;
drw_setscheme(drw, &scheme[SchemeNorm]);
drw_text(drw, x, 0, w, bh, text, 0);
- if((curpos = TEXTNW(text, cursor) + bh/2 - 2) < w) {
+ if ((curpos = TEXTNW(text, cursor) + bh / 2 - 2) < w) {
drw_setscheme(drw, &scheme[SchemeNorm]);
drw_rect(drw, x + curpos + 2, 2, 1, bh - 4, 1, 1, 0);
}
- if(lines > 0) {
+ if (lines > 0) {
/* draw vertical list */
w = mw - x;
- for(item = curr; item != next; item = item->right) {
+ for (item = curr; item != next; item = item->right) {
y += h;
- if(item == sel)
+ if (item == sel)
drw_setscheme(drw, &scheme[SchemeSel]);
- else if(item->out)
+ else if (item->out)
drw_setscheme(drw, &scheme[SchemeOut]);
else
drw_setscheme(drw, &scheme[SchemeNorm]);
drw_text(drw, x, y, w, bh, item->text, 0);
}
- }
- else if(matches) {
+ } else if (matches) {
/* draw horizontal list */
x += inputw;
w = TEXTW("<");
- if(curr->left) {
+ if (curr->left) {
drw_setscheme(drw, &scheme[SchemeNorm]);
drw_text(drw, x, 0, w, bh, "<", 0);
}
- for(item = curr; item != next; item = item->right) {
+ for (item = curr; item != next; item = item->right) {
x += w;
w = MIN(TEXTW(item->text), mw - x - TEXTW(">"));
- if(item == sel)
+ if (item == sel)
drw_setscheme(drw, &scheme[SchemeSel]);
- else if(item->out)
+ else if (item->out)
drw_setscheme(drw, &scheme[SchemeOut]);
else
drw_setscheme(drw, &scheme[SchemeNorm]);
}
w = TEXTW(">");
x = mw - w;
- if(next) {
+ if (next) {
drw_setscheme(drw, &scheme[SchemeNorm]);
drw_text(drw, x, 0, w, bh, ">", 0);
}
drw_map(drw, win, 0, 0, mw, mh);
}
-void
-grabkeyboard(void) {
+static 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,
+ for (i = 0; i < 1000; i++) {
+ if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True,
GrabModeAsync, GrabModeAsync, CurrentTime) == GrabSuccess)
return;
usleep(1000);
die("cannot grab keyboard\n");
}
-void
-insert(const char *str, ssize_t n) {
- if(strlen(text) + n > sizeof text - 1)
+static 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)
+ if (n > 0)
memcpy(&text[cursor], str, n);
cursor += n;
match();
}
-void
-keypress(XKeyEvent *ev) {
+static void
+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)
+ if (status == XBufferOverflow)
return;
- if(ev->state & ControlMask)
+ if (ev->state & ControlMask)
switch(ksym) {
case XK_a: ksym = XK_Home; break;
case XK_b: ksym = XK_Left; break;
insert(NULL, 0 - cursor);
break;
case XK_w: /* delete word */
- while(cursor > 0 && text[nextrune(-1)] == ' ')
+ while (cursor > 0 && text[nextrune(-1)] == ' ')
insert(NULL, nextrune(-1) - cursor);
- while(cursor > 0 && text[nextrune(-1)] != ' ')
+ while (cursor > 0 && text[nextrune(-1)] != ' ')
insert(NULL, nextrune(-1) - cursor);
break;
case XK_y: /* paste selection */
default:
return;
}
- else if(ev->state & Mod1Mask)
+ else if (ev->state & Mod1Mask)
switch(ksym) {
case XK_g: ksym = XK_Home; break;
case XK_G: ksym = XK_End; break;
}
switch(ksym) {
default:
- if(!iscntrl(*buf))
+ if (!iscntrl(*buf))
insert(buf, len);
break;
case XK_Delete:
- if(text[cursor] == '\0')
+ if (text[cursor] == '\0')
return;
cursor = nextrune(+1);
/* fallthrough */
case XK_BackSpace:
- if(cursor == 0)
+ if (cursor == 0)
return;
insert(NULL, nextrune(-1) - cursor);
break;
case XK_End:
- if(text[cursor] != '\0') {
+ if (text[cursor] != '\0') {
cursor = strlen(text);
break;
}
- if(next) {
+ if (next) {
/* jump to end of list and position items in reverse */
curr = matchend;
calcoffsets();
curr = prev;
calcoffsets();
- while(next && (curr = curr->right))
+ while (next && (curr = curr->right))
calcoffsets();
}
sel = matchend;
cleanup();
exit(1);
case XK_Home:
- if(sel == matches) {
+ if (sel == matches) {
cursor = 0;
break;
}
calcoffsets();
break;
case XK_Left:
- if(cursor > 0 && (!sel || !sel->left || lines > 0)) {
+ if (cursor > 0 && (!sel || !sel->left || lines > 0)) {
cursor = nextrune(-1);
break;
}
- if(lines > 0)
+ if (lines > 0)
return;
/* fallthrough */
case XK_Up:
- if(sel && sel->left && (sel = sel->left)->right == curr) {
+ if (sel && sel->left && (sel = sel->left)->right == curr) {
curr = prev;
calcoffsets();
}
break;
case XK_Next:
- if(!next)
+ if (!next)
return;
sel = curr = next;
calcoffsets();
break;
case XK_Prior:
- if(!prev)
+ if (!prev)
return;
sel = curr = prev;
calcoffsets();
case XK_Return:
case XK_KP_Enter:
puts((sel && !(ev->state & ShiftMask)) ? sel->text : text);
- if(!(ev->state & ControlMask)) {
+ if (!(ev->state & ControlMask)) {
cleanup();
exit(0);
}
- if(sel)
+ if (sel)
sel->out = true;
break;
case XK_Right:
- if(text[cursor] != '\0') {
+ if (text[cursor] != '\0') {
cursor = nextrune(+1);
break;
}
- if(lines > 0)
+ if (lines > 0)
return;
/* fallthrough */
case XK_Down:
- if(sel && sel->right && (sel = sel->right) == next) {
+ if (sel && sel->right && (sel = sel->right) == next) {
curr = next;
calcoffsets();
}
break;
case XK_Tab:
- if(!sel)
+ if (!sel)
return;
strncpy(text, sel->text, sizeof text - 1);
text[sizeof text - 1] = '\0';
drawmenu();
}
-void
-match(void) {
+static void
+match(void)
+{
static char **tokv = NULL;
static int tokn = 0;
strcpy(buf, text);
/* separate input text into tokens to be matched individually */
- for(s = strtok(buf, " "); s; tokv[tokc-1] = s, s = strtok(NULL, " "))
- if(++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv)))
+ for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " "))
+ if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv)))
die("cannot realloc %u bytes\n", tokn * sizeof *tokv);
len = tokc ? strlen(tokv[0]) : 0;
matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL;
- for(item = items; item && item->text; item++) {
- for(i = 0; i < tokc; i++)
- if(!fstrstr(item->text, tokv[i]))
+ for (item = items; item && item->text; item++) {
+ for (i = 0; i < tokc; i++)
+ if (!fstrstr(item->text, tokv[i]))
break;
- if(i != tokc) /* not all tokens match */
+ if (i != tokc) /* not all tokens match */
continue;
/* exact matches go first, then prefixes, then substrings */
- if(!tokc || !fstrncmp(tokv[0], item->text, len+1))
+ if (!tokc || !fstrncmp(tokv[0], item->text, len + 1))
appenditem(item, &matches, &matchend);
- else if(!fstrncmp(tokv[0], item->text, len))
+ else if (!fstrncmp(tokv[0], item->text, len))
appenditem(item, &lprefix, &prefixend);
else
appenditem(item, &lsubstr, &substrend);
}
- if(lprefix) {
- if(matches) {
+ if (lprefix) {
+ if (matches) {
matchend->right = lprefix;
lprefix->left = matchend;
- }
- else
+ } else
matches = lprefix;
matchend = prefixend;
}
- if(lsubstr) {
- if(matches) {
+ if (lsubstr) {
+ if (matches) {
matchend->right = lsubstr;
lsubstr->left = matchend;
- }
- else
+ } else
matches = lsubstr;
matchend = substrend;
}
calcoffsets();
}
-size_t
-nextrune(int inc) {
+static size_t
+nextrune(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);
+ for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc)
+ ;
return n;
}
-void
-paste(void) {
+static void
+paste(void)
+{
char *p, *q;
int di;
unsigned long dl;
/* 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));
+ insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p));
XFree(p);
drawmenu();
}
-void
-readstdin(void) {
+static void
+readstdin(void)
+{
char buf[sizeof text], *p, *maxstr = NULL;
size_t i, max = 0, size = 0;
/* read each line from stdin and add it to the item list */
- for(i = 0; fgets(buf, sizeof buf, stdin); i++) {
- if(i+1 >= size / sizeof *items)
- if(!(items = realloc(items, (size += BUFSIZ))))
+ for (i = 0; fgets(buf, sizeof buf, stdin); i++) {
+ if (i + 1 >= size / sizeof *items)
+ if (!(items = realloc(items, (size += BUFSIZ))))
die("cannot realloc %u bytes:", size);
- if((p = strchr(buf, '\n')))
+ if ((p = strchr(buf, '\n')))
*p = '\0';
- if(!(items[i].text = strdup(buf)))
- die("cannot strdup %u bytes:", strlen(buf)+1);
+ if (!(items[i].text = strdup(buf)))
+ die("cannot strdup %u bytes:", strlen(buf) + 1);
items[i].out = false;
- if(strlen(items[i].text) > max)
+ if (strlen(items[i].text) > max)
max = strlen(maxstr = items[i].text);
}
- if(items)
+ if (items)
items[i].text = NULL;
inputw = maxstr ? TEXTW(maxstr) : 0;
lines = MIN(lines, i);
}
-void
-run(void) {
+static void
+run(void)
+{
XEvent ev;
- while(!XNextEvent(dpy, &ev)) {
- if(XFilterEvent(&ev, win))
+ while (!XNextEvent(dpy, &ev)) {
+ if (XFilterEvent(&ev, win))
continue;
switch(ev.type) {
case Expose:
- if(ev.xexpose.count == 0)
+ if (ev.xexpose.count == 0)
drw_map(drw, win, 0, 0, mw, mh);
break;
case KeyPress:
keypress(&ev.xkey);
break;
case SelectionNotify:
- if(ev.xselection.property == utf8)
+ if (ev.xselection.property == utf8)
paste();
break;
case VisibilityNotify:
- if(ev.xvisibility.state != VisibilityUnobscured)
+ if (ev.xvisibility.state != VisibilityUnobscured)
XRaiseWindow(dpy, win);
break;
}
}
}
-void
-setup(void) {
+static void
+setup(void)
+{
int x, y;
XSetWindowAttributes swa;
XIM xim;
lines = MAX(lines, 0);
mh = (lines + 1) * bh;
#ifdef XINERAMA
- if((info = XineramaQueryScreens(dpy, &n))) {
+ if ((info = XineramaQueryScreens(dpy, &n))) {
XGetInputFocus(dpy, &w, &di);
- if(mon != -1 && mon < n)
+ if (mon != -1 && mon < n)
i = mon;
- if(!i && w != root && w != PointerRoot && w != None) {
+ if (!i && w != root && w != PointerRoot && w != None) {
/* find top-level window containing current input focus */
do {
- if(XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws)
+ if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws)
XFree(dws);
- } while(w != root && w != pw);
+ } while (w != root && w != pw);
/* find xinerama screen with which the window intersects most */
- if(XGetWindowAttributes(dpy, pw, &wa))
- for(j = 0; j < n; j++)
- if((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) {
+ if (XGetWindowAttributes(dpy, pw, &wa))
+ for (j = 0; j < n; j++)
+ if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) {
area = a;
i = j;
}
}
/* no focused window is on screen, so use pointer location instead */
- if(mon == -1 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du))
- for(i = 0; i < n; i++)
- if(INTERSECT(x, y, 1, 1, info[i]))
+ if (mon == -1 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du))
+ for (i = 0; i < n; i++)
+ if (INTERSECT(x, y, 1, 1, info[i]))
break;
x = info[i].x_org;
y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
mw = info[i].width;
XFree(info);
- }
- else
+ } else
#endif
{
x = 0;
drawmenu();
}
-void
-usage(void) {
+static void
+usage(void)
+{
fputs("usage: dmenu [-b] [-f] [-i] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
" [-nb color] [-nf color] [-sb color] [-sf color] [-v]\n", stderr);
exit(1);
}
+
+int
+main(int argc, char *argv[])
+{
+ bool fast = false;
+ int i;
+
+ for (i = 1; i < argc; i++)
+ /* these options take no arguments */
+ if (!strcmp(argv[i], "-v")) { /* prints version information */
+ puts("dmenu-"VERSION);
+ exit(0);
+ } else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */
+ topbar = false;
+ else if (!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */
+ fast = true;
+ else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
+ fstrncmp = strncasecmp;
+ fstrstr = cistrstr;
+ } else if (i + 1 == argc)
+ usage();
+ /* these options take one argument */
+ else if (!strcmp(argv[i], "-l")) /* number of lines in vertical list */
+ lines = atoi(argv[++i]);
+ else if (!strcmp(argv[i], "-m"))
+ mon = atoi(argv[++i]);
+ else if (!strcmp(argv[i], "-p")) /* adds prompt to left of input field */
+ prompt = argv[++i];
+ else if (!strcmp(argv[i], "-fn")) /* font or font set */
+ fonts[0] = argv[++i];
+ else if (!strcmp(argv[i], "-nb")) /* normal background color */
+ normbgcolor = argv[++i];
+ else if (!strcmp(argv[i], "-nf")) /* normal foreground color */
+ normfgcolor = argv[++i];
+ else if (!strcmp(argv[i], "-sb")) /* selected background color */
+ selbgcolor = argv[++i];
+ else if (!strcmp(argv[i], "-sf")) /* selected foreground color */
+ selfgcolor = argv[++i];
+ else
+ usage();
+
+ if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
+ fputs("warning: no locale support\n", stderr);
+ if (!(dpy = XOpenDisplay(NULL)))
+ die("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]);
+
+ if (fast) {
+ grabkeyboard();
+ readstdin();
+ } else {
+ readstdin();
+ grabkeyboard();
+ }
+ setup();
+ run();
+
+ return 1; /* unreachable */
+}
