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.
539 lines
12 KiB
539 lines
12 KiB
/* See LICENSE file for copyright and license details. */
|
|
#include <ctype.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <X11/Xlib.h>
|
|
#include <X11/Xatom.h>
|
|
#include <X11/Xutil.h>
|
|
#ifdef XINERAMA
|
|
#include <X11/extensions/Xinerama.h>
|
|
#endif
|
|
#include <dc.h>
|
|
|
|
#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))
|
|
|
|
typedef struct Item Item;
|
|
struct Item {
|
|
char *text;
|
|
Item *next; /* traverses all items */
|
|
Item *left, *right; /* traverses matching items */
|
|
};
|
|
|
|
static void appenditem(Item *item, Item **list, Item **last);
|
|
static void calcoffsets(void);
|
|
static void drawmenu(void);
|
|
static char *fstrstr(const char *s, const char *sub);
|
|
static void grabkeyboard(void);
|
|
static void insert(const char *s, ssize_t n);
|
|
static void keypress(XKeyEvent *ev);
|
|
static void match(void);
|
|
static size_t nextrune(int incr);
|
|
static void paste(void);
|
|
static void readstdin(void);
|
|
static void run(void);
|
|
static void setup(void);
|
|
static void usage(void);
|
|
|
|
static char text[BUFSIZ];
|
|
static int bh, mw, mh;
|
|
static int inputw = 0;
|
|
static int lines = 0;
|
|
static int promptw;
|
|
static size_t cursor = 0;
|
|
static const char *font = NULL;
|
|
static const char *prompt = NULL;
|
|
static const char *normbgcolor = "#cccccc";
|
|
static const char *normfgcolor = "#000000";
|
|
static const char *selbgcolor = "#0066ff";
|
|
static const char *selfgcolor = "#ffffff";
|
|
static unsigned long normcol[ColLast];
|
|
static unsigned long selcol[ColLast];
|
|
static Atom utf8;
|
|
static Bool topbar = True;
|
|
static DC *dc;
|
|
static Item *items = NULL;
|
|
static Item *matches, *sel;
|
|
static Item *prev, *curr, *next;
|
|
static Window root, win;
|
|
|
|
static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
|
|
|
|
void
|
|
appenditem(Item *item, Item **list, Item **last) {
|
|
if(!*last)
|
|
*list = item;
|
|
else
|
|
(*last)->right = item;
|
|
item->left = *last;
|
|
item->right = NULL;
|
|
*last = item;
|
|
}
|
|
|
|
void
|
|
calcoffsets(void) {
|
|
unsigned int i, n;
|
|
|
|
if(lines > 0)
|
|
n = lines * bh;
|
|
else
|
|
n = mw - (promptw + inputw + dc_textw(dc, "<") + dc_textw(dc, ">"));
|
|
|
|
for(i = 0, next = curr; next; next = next->right)
|
|
if((i += (lines > 0) ? bh : MIN(dc_textw(dc, next->text), n)) > n)
|
|
break;
|
|
for(i = 0, prev = curr; prev && prev->left; prev = prev->left)
|
|
if((i += (lines > 0) ? bh : MIN(dc_textw(dc, prev->left->text), n)) > n)
|
|
break;
|
|
}
|
|
|
|
void
|
|
drawmenu(void) {
|
|
int curpos;
|
|
Item *item;
|
|
|
|
dc->x = 0;
|
|
dc->y = 0;
|
|
dc->h = bh;
|
|
dc_drawrect(dc, 0, 0, mw, mh, True, BG(dc, normcol));
|
|
|
|
if(prompt) {
|
|
dc->w = promptw;
|
|
dc_drawtext(dc, prompt, selcol);
|
|
dc->x = dc->w;
|
|
}
|
|
dc->w = (lines > 0 || !matches) ? mw - dc->x : inputw;
|
|
dc_drawtext(dc, text, normcol);
|
|
if((curpos = dc_textnw(dc, text, cursor) + dc->h/2 - 2) < dc->w)
|
|
dc_drawrect(dc, curpos, 2, 1, dc->h - 4, True, FG(dc, normcol));
|
|
|
|
if(lines > 0) {
|
|
dc->w = mw - dc->x;
|
|
for(item = curr; item != next; item = item->right) {
|
|
dc->y += dc->h;
|
|
dc_drawtext(dc, item->text, (item == sel) ? selcol : normcol);
|
|
}
|
|
}
|
|
else if(matches) {
|
|
dc->x += inputw;
|
|
dc->w = dc_textw(dc, "<");
|
|
if(curr->left)
|
|
dc_drawtext(dc, "<", normcol);
|
|
for(item = curr; item != next; item = item->right) {
|
|
dc->x += dc->w;
|
|
dc->w = MIN(dc_textw(dc, item->text), mw - dc->x - dc_textw(dc, ">"));
|
|
dc_drawtext(dc, item->text, (item == sel) ? selcol : normcol);
|
|
}
|
|
dc->w = dc_textw(dc, ">");
|
|
dc->x = mw - dc->w;
|
|
if(next)
|
|
dc_drawtext(dc, ">", normcol);
|
|
}
|
|
dc_map(dc, win, mw, mh);
|
|
}
|
|
|
|
char *
|
|
fstrstr(const char *s, const char *sub) {
|
|
size_t len;
|
|
|
|
for(len = strlen(sub); *s; s++)
|
|
if(!fstrncmp(s, sub, len))
|
|
return (char *)s;
|
|
return NULL;
|
|
}
|
|
|
|
void
|
|
grabkeyboard(void) {
|
|
int i;
|
|
|
|
for(i = 0; i < 1000; i++) {
|
|
if(!XGrabKeyboard(dc->dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime))
|
|
return;
|
|
usleep(1000);
|
|
}
|
|
eprintf("cannot grab keyboard\n");
|
|
}
|
|
|
|
void
|
|
insert(const char *s, ssize_t n) {
|
|
if(strlen(text) + n > sizeof text - 1)
|
|
return;
|
|
memmove(text + cursor + n, text + cursor, sizeof text - cursor - MAX(n, 0));
|
|
if(n > 0)
|
|
memcpy(text + cursor, s, n);
|
|
cursor += n;
|
|
match();
|
|
}
|
|
|
|
void
|
|
keypress(XKeyEvent *ev) {
|
|
char buf[32];
|
|
size_t len;
|
|
KeySym ksym;
|
|
|
|
len = strlen(text);
|
|
XLookupString(ev, buf, sizeof buf, &ksym, NULL);
|
|
if(ev->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_d:
|
|
ksym = XK_Delete;
|
|
break;
|
|
case XK_e:
|
|
ksym = XK_End;
|
|
break;
|
|
case XK_f:
|
|
ksym = XK_Right;
|
|
break;
|
|
case XK_h:
|
|
ksym = XK_BackSpace;
|
|
break;
|
|
case XK_i:
|
|
ksym = XK_Tab;
|
|
break;
|
|
case XK_j:
|
|
ksym = XK_Return;
|
|
break;
|
|
case XK_k: /* delete right */
|
|
text[cursor] = '\0';
|
|
match();
|
|
break;
|
|
case XK_n:
|
|
ksym = XK_Down;
|
|
break;
|
|
case XK_p:
|
|
ksym = XK_Up;
|
|
break;
|
|
case XK_u: /* delete left */
|
|
insert(NULL, 0 - cursor);
|
|
break;
|
|
case XK_w: /* delete word */
|
|
while(cursor > 0 && text[nextrune(-1)] == ' ')
|
|
insert(NULL, nextrune(-1) - cursor);
|
|
while(cursor > 0 && text[nextrune(-1)] != ' ')
|
|
insert(NULL, nextrune(-1) - cursor);
|
|
break;
|
|
}
|
|
}
|
|
switch(ksym) {
|
|
default:
|
|
if(!iscntrl(*buf))
|
|
insert(buf, strlen(buf));
|
|
break;
|
|
case XK_Delete:
|
|
if(cursor == len)
|
|
return;
|
|
cursor = nextrune(+1);
|
|
case XK_BackSpace:
|
|
if(cursor > 0)
|
|
insert(NULL, nextrune(-1) - cursor);
|
|
break;
|
|
case XK_End:
|
|
if(cursor < len) {
|
|
cursor = len;
|
|
break;
|
|
}
|
|
while(next) {
|
|
sel = curr = next;
|
|
calcoffsets();
|
|
}
|
|
while(sel && sel->right)
|
|
sel = sel->right;
|
|
break;
|
|
case XK_Escape:
|
|
exit(EXIT_FAILURE);
|
|
case XK_Home:
|
|
if(sel == matches) {
|
|
cursor = 0;
|
|
break;
|
|
}
|
|
sel = curr = matches;
|
|
calcoffsets();
|
|
break;
|
|
case XK_Insert: /* paste selection */
|
|
if(ev->state & ShiftMask)
|
|
XConvertSelection(dc->dpy, XA_PRIMARY, utf8, utf8, win, CurrentTime);
|
|
return;
|
|
case XK_Left:
|
|
if(cursor > 0 && (!sel || !sel->left || lines > 0)) {
|
|
cursor = nextrune(-1);
|
|
break;
|
|
}
|
|
else if(lines > 0)
|
|
return;
|
|
case XK_Up:
|
|
if(sel && sel->left && (sel = sel->left)->right == curr) {
|
|
curr = prev;
|
|
calcoffsets();
|
|
}
|
|
break;
|
|
case XK_Next:
|
|
if(!next)
|
|
return;
|
|
sel = curr = next;
|
|
calcoffsets();
|
|
break;
|
|
case XK_Prior:
|
|
if(!prev)
|
|
return;
|
|
sel = curr = prev;
|
|
calcoffsets();
|
|
break;
|
|
case XK_Return:
|
|
case XK_KP_Enter:
|
|
fputs((sel && !(ev->state & ShiftMask)) ? sel->text : text, stdout);
|
|
fflush(stdout);
|
|
exit(EXIT_SUCCESS);
|
|
case XK_Right:
|
|
if(cursor < len) {
|
|
cursor = nextrune(+1);
|
|
break;
|
|
}
|
|
else if(lines > 0)
|
|
return;
|
|
case XK_Down:
|
|
if(sel && sel->right && (sel = sel->right) == next) {
|
|
curr = next;
|
|
calcoffsets();
|
|
}
|
|
break;
|
|
case XK_Tab:
|
|
if(!sel)
|
|
return;
|
|
strncpy(text, sel->text, sizeof text);
|
|
cursor = strlen(text);
|
|
match();
|
|
break;
|
|
}
|
|
drawmenu();
|
|
}
|
|
|
|
void
|
|
match(void) {
|
|
size_t len;
|
|
Item *item, *itemend, *lexact, *lprefix, *lsubstr, *exactend, *prefixend, *substrend;
|
|
|
|
len = strlen(text);
|
|
matches = lexact = lprefix = lsubstr = itemend = exactend = prefixend = substrend = NULL;
|
|
for(item = items; item; item = item->next)
|
|
if(!fstrncmp(text, item->text, len + 1))
|
|
appenditem(item, &lexact, &exactend);
|
|
else if(!fstrncmp(text, item->text, len))
|
|
appenditem(item, &lprefix, &prefixend);
|
|
else if(fstrstr(item->text, text))
|
|
appenditem(item, &lsubstr, &substrend);
|
|
|
|
if(lexact) {
|
|
matches = lexact;
|
|
itemend = exactend;
|
|
}
|
|
if(lprefix) {
|
|
if(itemend) {
|
|
itemend->right = lprefix;
|
|
lprefix->left = itemend;
|
|
}
|
|
else
|
|
matches = lprefix;
|
|
itemend = prefixend;
|
|
}
|
|
if(lsubstr) {
|
|
if(itemend) {
|
|
itemend->right = lsubstr;
|
|
lsubstr->left = itemend;
|
|
}
|
|
else
|
|
matches = lsubstr;
|
|
}
|
|
curr = prev = next = sel = matches;
|
|
calcoffsets();
|
|
}
|
|
|
|
size_t
|
|
nextrune(int incr) {
|
|
size_t n, len;
|
|
|
|
len = strlen(text);
|
|
for(n = cursor + incr; n >= 0 && n < len && (text[n] & 0xc0) == 0x80; n += incr);
|
|
return n;
|
|
}
|
|
|
|
void
|
|
paste(void) {
|
|
char *p, *q;
|
|
int di;
|
|
unsigned long dl;
|
|
Atom da;
|
|
|
|
XGetWindowProperty(dc->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 : strlen(p));
|
|
XFree(p);
|
|
drawmenu();
|
|
}
|
|
|
|
void
|
|
readstdin(void) {
|
|
char buf[sizeof text], *p;
|
|
Item *item, **end;
|
|
|
|
for(end = &items; fgets(buf, sizeof buf, stdin); *end = item, end = &item->next) {
|
|
if((p = strchr(buf, '\n')))
|
|
*p = '\0';
|
|
if(!(item = malloc(sizeof *item)))
|
|
eprintf("cannot malloc %u bytes\n", sizeof *item);
|
|
if(!(item->text = strdup(buf)))
|
|
eprintf("cannot strdup %u bytes\n", strlen(buf)+1);
|
|
item->next = item->left = item->right = NULL;
|
|
inputw = MAX(inputw, dc_textw(dc, item->text));
|
|
}
|
|
}
|
|
|
|
void
|
|
run(void) {
|
|
XEvent ev;
|
|
|
|
while(!XNextEvent(dc->dpy, &ev))
|
|
switch(ev.type) {
|
|
case Expose:
|
|
if(ev.xexpose.count == 0)
|
|
drawmenu();
|
|
break;
|
|
case KeyPress:
|
|
keypress(&ev.xkey);
|
|
break;
|
|
case SelectionNotify:
|
|
if(ev.xselection.property == utf8)
|
|
paste();
|
|
break;
|
|
case VisibilityNotify:
|
|
if(ev.xvisibility.state != VisibilityUnobscured)
|
|
XRaiseWindow(dc->dpy, win);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
setup(void) {
|
|
int x, y, screen;
|
|
XSetWindowAttributes wa;
|
|
#ifdef XINERAMA
|
|
int n;
|
|
XineramaScreenInfo *info;
|
|
#endif
|
|
|
|
screen = DefaultScreen(dc->dpy);
|
|
root = RootWindow(dc->dpy, screen);
|
|
utf8 = XInternAtom(dc->dpy, "UTF8_STRING", False);
|
|
|
|
normcol[ColBG] = dc_color(dc, normbgcolor);
|
|
normcol[ColFG] = dc_color(dc, normfgcolor);
|
|
selcol[ColBG] = dc_color(dc, selbgcolor);
|
|
selcol[ColFG] = dc_color(dc, selfgcolor);
|
|
|
|
/* menu geometry */
|
|
bh = dc->font.height + 2;
|
|
lines = MAX(lines, 0);
|
|
mh = (lines + 1) * bh;
|
|
#ifdef XINERAMA
|
|
if((info = XineramaQueryScreens(dc->dpy, &n))) {
|
|
int i, di;
|
|
unsigned int du;
|
|
Window dw;
|
|
|
|
XQueryPointer(dc->dpy, root, &dw, &dw, &x, &y, &di, &di, &du);
|
|
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 = info[i].y_org + (topbar ? 0 : info[i].height - mh);
|
|
mw = info[i].width;
|
|
XFree(info);
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
x = 0;
|
|
y = topbar ? 0 : DisplayHeight(dc->dpy, screen) - mh;
|
|
mw = DisplayWidth(dc->dpy, screen);
|
|
}
|
|
/* menu window */
|
|
wa.override_redirect = True;
|
|
wa.background_pixmap = ParentRelative;
|
|
wa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
|
|
win = XCreateWindow(dc->dpy, root, x, y, mw, mh, 0,
|
|
DefaultDepth(dc->dpy, screen), CopyFromParent,
|
|
DefaultVisual(dc->dpy, screen),
|
|
CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
|
|
|
|
grabkeyboard();
|
|
dc_resize(dc, mw, mh);
|
|
inputw = MIN(inputw, mw/3);
|
|
promptw = prompt ? dc_textw(dc, prompt) : 0;
|
|
XMapRaised(dc->dpy, win);
|
|
text[0] = '\0';
|
|
match();
|
|
}
|
|
|
|
void
|
|
usage(void) {
|
|
fputs("usage: dmenu [-b] [-i] [-l lines] [-p prompt] [-fn font] [-nb color]\n"
|
|
" [-nf color] [-sb color] [-sf color] [-v]\n", stderr);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[]) {
|
|
int i;
|
|
|
|
progname = "dmenu";
|
|
for(i = 1; i < argc; i++)
|
|
/* single flags */
|
|
if(!strcmp(argv[i], "-v")) {
|
|
fputs("dmenu-"VERSION", © 2006-2010 dmenu engineers, see LICENSE for details\n", stdout);
|
|
exit(EXIT_SUCCESS);
|
|
}
|
|
else if(!strcmp(argv[i], "-b"))
|
|
topbar = False;
|
|
else if(!strcmp(argv[i], "-i"))
|
|
fstrncmp = strncasecmp;
|
|
else if(i == argc-1)
|
|
usage();
|
|
/* double flags */
|
|
else if(!strcmp(argv[i], "-l"))
|
|
lines = atoi(argv[++i]);
|
|
else if(!strcmp(argv[i], "-p"))
|
|
prompt = argv[++i];
|
|
else if(!strcmp(argv[i], "-fn"))
|
|
font = argv[++i];
|
|
else if(!strcmp(argv[i], "-nb"))
|
|
normbgcolor = argv[++i];
|
|
else if(!strcmp(argv[i], "-nf"))
|
|
normfgcolor = argv[++i];
|
|
else if(!strcmp(argv[i], "-sb"))
|
|
selbgcolor = argv[++i];
|
|
else if(!strcmp(argv[i], "-sf"))
|
|
selfgcolor = argv[++i];
|
|
else
|
|
usage();
|
|
|
|
dc = dc_init();
|
|
dc_font(dc, font);
|
|
readstdin();
|
|
setup();
|
|
run();
|
|
|
|
return EXIT_FAILURE; /* should not reach */
|
|
}
|