651 lines
14 KiB
C
651 lines
14 KiB
C
/* See LICENSE file for copyright and license details. */
|
|
#include <ctype.h>
|
|
#include <locale.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <X11/keysym.h>
|
|
#include <X11/Xlib.h>
|
|
#include <X11/Xutil.h>
|
|
#ifdef XINERAMA
|
|
#include <X11/extensions/Xinerama.h>
|
|
#endif
|
|
#include <draw.h>
|
|
#include "config.h"
|
|
|
|
#define INRECT(x,y,rx,ry,rw,rh) ((rx) < (x) && (x) < (rx)+(rw) && (ry) < (y) && (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) == 0x00)
|
|
|
|
typedef struct Item Item;
|
|
struct Item {
|
|
char *text;
|
|
Item *next; /* traverses all items */
|
|
Item *left, *right; /* traverses items matching current search pattern */
|
|
};
|
|
|
|
static void appenditem(Item *i, Item **list, Item **last);
|
|
static void calcoffsetsh(void);
|
|
static void calcoffsetsv(void);
|
|
static char *cistrstr(const char *s, const char *sub);
|
|
static void cleanup(void);
|
|
static void drawitem(const char *s, unsigned long col[ColLast]);
|
|
static void drawmenu(void);
|
|
static void drawmenuh(void);
|
|
static void drawmenuv(void);
|
|
static void grabkeyboard(void);
|
|
static void keypress(XKeyEvent *e);
|
|
static void match(void);
|
|
static void readstdin(void);
|
|
static void run(void);
|
|
static void setup(void);
|
|
|
|
static char **argp = NULL;
|
|
static char *maxname = NULL;
|
|
static char *prompt;
|
|
static char text[4096];
|
|
static int promptw;
|
|
static int screen;
|
|
static size_t cur = 0;
|
|
static unsigned int cmdw = 0;
|
|
static unsigned int lines = 0;
|
|
static unsigned int numlockmask;
|
|
static unsigned int mw, mh;
|
|
static unsigned long normcol[ColLast];
|
|
static unsigned long selcol[ColLast];
|
|
static Bool topbar = True;
|
|
static DC dc;
|
|
static Display *dpy;
|
|
static Item *allitems = NULL; /* first of all items */
|
|
static Item *item = NULL; /* first of pattern matching items */
|
|
static Item *sel = NULL;
|
|
static Item *next = NULL;
|
|
static Item *prev = NULL;
|
|
static Item *curr = NULL;
|
|
static Window win, root;
|
|
|
|
static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
|
|
static char *(*fstrstr)(const char *, const char *) = strstr;
|
|
static void (*calcoffsets)(void) = calcoffsetsh;
|
|
|
|
void
|
|
appenditem(Item *i, Item **list, Item **last) {
|
|
if(!(*last))
|
|
*list = i;
|
|
else
|
|
(*last)->right = i;
|
|
i->left = *last;
|
|
i->right = NULL;
|
|
*last = i;
|
|
}
|
|
|
|
void
|
|
calcoffsetsh(void) {
|
|
unsigned int w, x;
|
|
|
|
w = promptw + cmdw + textw(&dc, "<") + textw(&dc, ">");
|
|
for(x = w, next = curr; next; next = next->right)
|
|
if((x += MIN(textw(&dc, next->text), mw / 3)) > mw)
|
|
break;
|
|
for(x = w, prev = curr; prev && prev->left; prev = prev->left)
|
|
if((x += MIN(textw(&dc, prev->left->text), mw / 3)) > mw)
|
|
break;
|
|
}
|
|
|
|
void
|
|
calcoffsetsv(void) {
|
|
unsigned int i;
|
|
|
|
next = prev = curr;
|
|
for(i = 0; i < lines && next; i++)
|
|
next = next->right;
|
|
mh = (dc.font.height + 2) * (i + 1);
|
|
for(i = 0; i < lines && prev && prev->left; i++)
|
|
prev = prev->left;
|
|
}
|
|
|
|
char *
|
|
cistrstr(const char *s, const char *sub) {
|
|
int c, csub;
|
|
unsigned int len;
|
|
|
|
if(!sub)
|
|
return (char *)s;
|
|
if((c = tolower(*sub++)) != '\0') {
|
|
len = strlen(sub);
|
|
do {
|
|
do {
|
|
if((csub = *s++) == '\0')
|
|
return NULL;
|
|
}
|
|
while(tolower(csub) != c);
|
|
}
|
|
while(strncasecmp(s, sub, len) != 0);
|
|
s--;
|
|
}
|
|
return (char *)s;
|
|
}
|
|
|
|
void
|
|
cleanup(void) {
|
|
Item *itm;
|
|
|
|
while(allitems) {
|
|
itm = allitems->next;
|
|
free(allitems->text);
|
|
free(allitems);
|
|
allitems = itm;
|
|
}
|
|
cleanupdraw(&dc);
|
|
XDestroyWindow(dpy, win);
|
|
XUngrabKeyboard(dpy, CurrentTime);
|
|
XCloseDisplay(dpy);
|
|
}
|
|
|
|
void
|
|
drawitem(const char *s, unsigned long col[ColLast]) {
|
|
const char *p;
|
|
unsigned int w = textnw(&dc, text, strlen(text));
|
|
|
|
drawbox(&dc, col);
|
|
drawtext(&dc, s, col);
|
|
for(p = fstrstr(s, text); *text && (p = fstrstr(p, text)); p++)
|
|
drawline(&dc, textnw(&dc, s, p-s) + dc.h/2 - 1, dc.h-2, w, 1, col);
|
|
}
|
|
|
|
void
|
|
drawmenu(void) {
|
|
dc.x = 0;
|
|
dc.y = 0;
|
|
dc.w = mw;
|
|
dc.h = mh;
|
|
drawbox(&dc, normcol);
|
|
dc.h = dc.font.height + 2;
|
|
dc.y = topbar ? 0 : mh - dc.h;
|
|
/* print prompt? */
|
|
if(prompt) {
|
|
dc.w = promptw;
|
|
drawbox(&dc, selcol);
|
|
drawtext(&dc, prompt, selcol);
|
|
dc.x += dc.w;
|
|
}
|
|
dc.w = mw - dc.x;
|
|
/* print command */
|
|
if(cmdw && item && lines == 0)
|
|
dc.w = cmdw;
|
|
drawtext(&dc, text, normcol);
|
|
drawline(&dc, textnw(&dc, text, cur) + dc.h/2 - 2, 2, 1, dc.h-4, normcol);
|
|
if(lines > 0)
|
|
drawmenuv();
|
|
else if(curr)
|
|
drawmenuh();
|
|
commitdraw(&dc, win);
|
|
}
|
|
|
|
void
|
|
drawmenuh(void) {
|
|
Item *i;
|
|
|
|
dc.x += cmdw;
|
|
dc.w = textw(&dc, "<");
|
|
drawtext(&dc, curr->left ? "<" : NULL, normcol);
|
|
dc.x += dc.w;
|
|
for(i = curr; i != next; i = i->right) {
|
|
dc.w = MIN(textw(&dc, i->text), mw / 3);
|
|
drawitem(i->text, (sel == i) ? selcol : normcol);
|
|
dc.x += dc.w;
|
|
}
|
|
dc.w = textw(&dc, ">");
|
|
dc.x = mw - dc.w;
|
|
drawtext(&dc, next ? ">" : NULL, normcol);
|
|
}
|
|
|
|
void
|
|
drawmenuv(void) {
|
|
Item *i;
|
|
XWindowAttributes wa;
|
|
|
|
dc.y = topbar ? dc.h : 0;
|
|
dc.w = mw - dc.x;
|
|
for(i = curr; i != next; i = i->right) {
|
|
drawitem(i->text, (sel == i) ? selcol : normcol);
|
|
dc.y += dc.h;
|
|
}
|
|
if(!XGetWindowAttributes(dpy, win, &wa))
|
|
eprint("cannot get window attributes");
|
|
XMoveResizeWindow(dpy, win, wa.x, wa.y + (topbar ? 0 : wa.height - mh), mw, mh);
|
|
}
|
|
|
|
void
|
|
grabkeyboard(void) {
|
|
unsigned int n;
|
|
|
|
for(n = 0; n < 1000; n++) {
|
|
if(!XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime))
|
|
return;
|
|
usleep(1000);
|
|
}
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
void
|
|
keypress(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_i:
|
|
ksym = XK_Tab;
|
|
break;
|
|
case XK_j:
|
|
case XK_m:
|
|
ksym = XK_Return;
|
|
break;
|
|
case XK_k:
|
|
text[cur] = '\0';
|
|
break;
|
|
case XK_n:
|
|
ksym = XK_Down;
|
|
break;
|
|
case XK_p:
|
|
ksym = XK_Up;
|
|
break;
|
|
case XK_u:
|
|
memmove(text, text + cur, sizeof text - cur + 1);
|
|
cur = 0;
|
|
match();
|
|
break;
|
|
case XK_w:
|
|
if(cur == 0)
|
|
return;
|
|
i = cur;
|
|
while(i-- > 0 && text[i] == ' ');
|
|
while(i-- > 0 && text[i] != ' ');
|
|
memmove(text + i + 1, text + cur, sizeof text - cur + 1);
|
|
cur = i + 1;
|
|
match();
|
|
break;
|
|
case XK_y:
|
|
{
|
|
FILE *fp;
|
|
char *s;
|
|
if(!(fp = fopen("sselp", "r")))
|
|
eprint("cannot popen sselp\n");
|
|
s = fgets(buf, sizeof buf, fp);
|
|
fclose(fp);
|
|
if(!s)
|
|
return;
|
|
}
|
|
num = strlen(buf);
|
|
if(num && buf[num-1] == '\n')
|
|
buf[--num] = '\0';
|
|
break;
|
|
}
|
|
}
|
|
switch(ksym) {
|
|
default:
|
|
num = MIN(num, sizeof text);
|
|
if(num && !iscntrl((int) buf[0])) {
|
|
memmove(text + cur + num, text + cur, sizeof text - cur - num);
|
|
memcpy(text + cur, buf, num);
|
|
cur += num;
|
|
match();
|
|
}
|
|
break;
|
|
case XK_BackSpace:
|
|
if(cur == 0)
|
|
return;
|
|
for(i = 1; len - i > 0 && !IS_UTF8_1ST_CHAR(text[cur - i]); i++);
|
|
memmove(text + cur - i, text + cur, sizeof text - cur + i);
|
|
cur -= i;
|
|
match();
|
|
break;
|
|
case XK_Delete:
|
|
if(cur == len)
|
|
return;
|
|
for(i = 1; cur + i < len && !IS_UTF8_1ST_CHAR(text[cur + i]); i++);
|
|
memmove(text + cur, text + cur + i, sizeof text - cur);
|
|
match();
|
|
break;
|
|
case XK_End:
|
|
if(cur < len) {
|
|
cur = 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 == item) {
|
|
cur = 0;
|
|
break;
|
|
}
|
|
sel = curr = item;
|
|
calcoffsets();
|
|
break;
|
|
case XK_Left:
|
|
if(cur > 0 && (!sel || !sel->left || lines > 0)) {
|
|
while(cur-- > 0 && !IS_UTF8_1ST_CHAR(text[cur]));
|
|
break;
|
|
}
|
|
if(lines > 0)
|
|
return;
|
|
case XK_Up:
|
|
if(!sel || !sel->left)
|
|
return;
|
|
sel = sel->left;
|
|
if(sel->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:
|
|
fprintf(stdout, "%s", ((e->state & ShiftMask) || sel) ? sel->text : text);
|
|
fflush(stdout);
|
|
exit(EXIT_SUCCESS);
|
|
case XK_Right:
|
|
if(cur < len) {
|
|
while(cur++ < len && !IS_UTF8_1ST_CHAR(text[cur]));
|
|
break;
|
|
}
|
|
if(lines > 0)
|
|
return;
|
|
case XK_Down:
|
|
if(!sel || !sel->right)
|
|
return;
|
|
sel = sel->right;
|
|
if(sel == next) {
|
|
curr = next;
|
|
calcoffsets();
|
|
}
|
|
break;
|
|
case XK_Tab:
|
|
if(!sel)
|
|
return;
|
|
strncpy(text, sel->text, sizeof text);
|
|
cur = strlen(text);
|
|
match();
|
|
break;
|
|
}
|
|
drawmenu();
|
|
}
|
|
|
|
void
|
|
match(void) {
|
|
unsigned int len;
|
|
Item *i, *itemend, *lexact, *lprefix, *lsubstr, *exactend, *prefixend, *substrend;
|
|
|
|
len = strlen(text);
|
|
item = lexact = lprefix = lsubstr = itemend = exactend = prefixend = substrend = NULL;
|
|
for(i = allitems; i; i = i->next)
|
|
if(!fstrncmp(text, i->text, len + 1))
|
|
appenditem(i, &lexact, &exactend);
|
|
else if(!fstrncmp(text, i->text, len))
|
|
appenditem(i, &lprefix, &prefixend);
|
|
else if(fstrstr(i->text, text))
|
|
appenditem(i, &lsubstr, &substrend);
|
|
if(lexact) {
|
|
item = lexact;
|
|
itemend = exactend;
|
|
}
|
|
if(lprefix) {
|
|
if(itemend) {
|
|
itemend->right = lprefix;
|
|
lprefix->left = itemend;
|
|
}
|
|
else
|
|
item = lprefix;
|
|
itemend = prefixend;
|
|
}
|
|
if(lsubstr) {
|
|
if(itemend) {
|
|
itemend->right = lsubstr;
|
|
lsubstr->left = itemend;
|
|
}
|
|
else
|
|
item = lsubstr;
|
|
}
|
|
curr = prev = next = sel = item;
|
|
calcoffsets();
|
|
}
|
|
|
|
void
|
|
readstdin(void) {
|
|
char *p, buf[sizeof text];
|
|
unsigned int len = 0, max = 0;
|
|
Item *i, *new;
|
|
|
|
i = NULL;
|
|
while(fgets(buf, sizeof buf, stdin)) {
|
|
len = strlen(buf);
|
|
if(buf[len-1] == '\n')
|
|
buf[--len] = '\0';
|
|
if(!(p = strdup(buf)))
|
|
eprint("cannot strdup %u bytes\n", len);
|
|
if((max = MAX(max, len)) == len)
|
|
maxname = p;
|
|
if(!(new = malloc(sizeof *new)))
|
|
eprint("cannot malloc %u bytes\n", sizeof *new);
|
|
new->next = new->left = new->right = NULL;
|
|
new->text = p;
|
|
if(!i)
|
|
allitems = new;
|
|
else
|
|
i->next = new;
|
|
i = new;
|
|
}
|
|
}
|
|
|
|
void
|
|
run(void) {
|
|
XEvent ev;
|
|
|
|
XSync(dpy, False);
|
|
while(!XNextEvent(dpy, &ev))
|
|
switch(ev.type) {
|
|
case Expose:
|
|
if(ev.xexpose.count == 0)
|
|
drawmenu();
|
|
break;
|
|
case KeyPress:
|
|
keypress(&ev.xkey);
|
|
break;
|
|
case VisibilityNotify:
|
|
if(ev.xvisibility.state != VisibilityUnobscured)
|
|
XRaiseWindow(dpy, win);
|
|
break;
|
|
}
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
void
|
|
setup(void) {
|
|
int i, j, x, y;
|
|
#if XINERAMA
|
|
int n;
|
|
XineramaScreenInfo *info = NULL;
|
|
#endif
|
|
XModifierKeymap *modmap;
|
|
XSetWindowAttributes wa;
|
|
|
|
/* 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;
|
|
normcol[ColBG] = getcolor(&dc, normbgcolor);
|
|
normcol[ColFG] = getcolor(&dc, normfgcolor);
|
|
selcol[ColBG] = getcolor(&dc, selbgcolor);
|
|
selcol[ColFG] = getcolor(&dc, selfgcolor);
|
|
initfont(&dc, font);
|
|
|
|
/* input window */
|
|
wa.override_redirect = True;
|
|
wa.background_pixmap = ParentRelative;
|
|
wa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
|
|
|
|
/* input window geometry */
|
|
mh = (dc.font.height + 2) * (lines + 1);
|
|
#if XINERAMA
|
|
if(XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
|
|
i = 0;
|
|
if(n > 1) {
|
|
int di;
|
|
unsigned int dui;
|
|
Window dummy;
|
|
if(XQueryPointer(dpy, root, &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
|
|
{
|
|
x = 0;
|
|
y = topbar ? 0 : DisplayHeight(dpy, screen) - mh;
|
|
mw = DisplayWidth(dpy, screen);
|
|
}
|
|
|
|
win = XCreateWindow(dpy, root, 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);
|
|
XMapRaised(dpy, win);
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[]) {
|
|
unsigned int i;
|
|
|
|
/* command line args */
|
|
progname = "dmenu";
|
|
for(i = 1; i < argc; i++)
|
|
if(!strcmp(argv[i], "-i")) {
|
|
fstrncmp = strncasecmp;
|
|
fstrstr = cistrstr;
|
|
}
|
|
else if(!strcmp(argv[i], "-b"))
|
|
topbar = False;
|
|
else if(!strcmp(argv[i], "-l")) {
|
|
if(++i < argc) lines = atoi(argv[i]);
|
|
if(lines > 0)
|
|
calcoffsets = calcoffsetsv;
|
|
}
|
|
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")) {
|
|
printf("dmenu-"VERSION", © 2006-2010 dmenu engineers, see LICENSE for details\n");
|
|
exit(EXIT_SUCCESS);
|
|
}
|
|
else {
|
|
fputs("usage: dmenu [-i] [-b] [-l <lines>] [-fn <font>] [-nb <color>]\n"
|
|
" [-nf <color>] [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n", stderr);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
|
|
fprintf(stderr, "dmenu: warning: no locale support\n");
|
|
if(!(dpy = XOpenDisplay(NULL)))
|
|
eprint("cannot open display\n");
|
|
if(atexit(&cleanup) != 0)
|
|
eprint("cannot register cleanup\n");
|
|
screen = DefaultScreen(dpy);
|
|
root = RootWindow(dpy, screen);
|
|
if(!(argp = malloc(sizeof *argp * (argc+2))))
|
|
eprint("cannot malloc %u bytes\n", sizeof *argp * (argc+2));
|
|
memcpy(argp + 2, argv + 1, sizeof *argp * argc);
|
|
|
|
readstdin();
|
|
grabkeyboard();
|
|
setup();
|
|
if(maxname)
|
|
cmdw = MIN(textw(&dc, maxname), mw / 3);
|
|
match();
|
|
run();
|
|
return 0;
|
|
}
|