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.
487 lines
10 KiB
487 lines
10 KiB
/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
|
|
* (C)opyright MMVI-MMVII Sander van Dijk <a dot h dot vandijk at gmail dot com>
|
|
* See LICENSE file for license details.
|
|
*/
|
|
#include "dmenu.h"
|
|
|
|
#include <ctype.h>
|
|
#include <locale.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <sys/select.h>
|
|
#include <sys/time.h>
|
|
#include <X11/Xutil.h>
|
|
#include <X11/keysym.h>
|
|
|
|
#define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
|
|
|
|
typedef struct Item Item;
|
|
struct Item {
|
|
Item *next; /* traverses all items */
|
|
Item *left, *right; /* traverses items matching current search pattern */
|
|
char *text;
|
|
};
|
|
|
|
/* static */
|
|
|
|
static char text[4096];
|
|
static char *prompt = NULL;
|
|
static int mw, mh;
|
|
static int ret = 0;
|
|
static int nitem = 0;
|
|
static unsigned int cmdw = 0;
|
|
static unsigned int promptw = 0;
|
|
static unsigned int numlockmask = 0;
|
|
static Bool running = True;
|
|
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 root;
|
|
static Window win;
|
|
|
|
static void
|
|
calcoffsets(void) {
|
|
unsigned int tw, w;
|
|
|
|
if(!curr)
|
|
return;
|
|
w = promptw + cmdw + 2 * SPACE;
|
|
for(next = curr; next; next=next->right) {
|
|
tw = textw(next->text);
|
|
if(tw > mw / 3)
|
|
tw = mw / 3;
|
|
w += tw;
|
|
if(w > mw)
|
|
break;
|
|
}
|
|
w = promptw + cmdw + 2 * SPACE;
|
|
for(prev = curr; prev && prev->left; prev=prev->left) {
|
|
tw = textw(prev->left->text);
|
|
if(tw > mw / 3)
|
|
tw = mw / 3;
|
|
w += tw;
|
|
if(w > mw)
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
drawmenu(void) {
|
|
Item *i;
|
|
|
|
dc.x = 0;
|
|
dc.y = 0;
|
|
dc.w = mw;
|
|
dc.h = mh;
|
|
drawtext(NULL, dc.norm);
|
|
/* print prompt? */
|
|
if(promptw) {
|
|
dc.w = promptw;
|
|
drawtext(prompt, dc.sel);
|
|
}
|
|
dc.x += promptw;
|
|
dc.w = mw - promptw;
|
|
/* print command */
|
|
if(cmdw && item)
|
|
dc.w = cmdw;
|
|
drawtext(text[0] ? text : NULL, dc.norm);
|
|
dc.x += cmdw;
|
|
if(curr) {
|
|
dc.w = SPACE;
|
|
drawtext((curr && curr->left) ? "<" : NULL, dc.norm);
|
|
dc.x += dc.w;
|
|
/* determine maximum items */
|
|
for(i = curr; i != next; i=i->right) {
|
|
dc.w = textw(i->text);
|
|
if(dc.w > mw / 3)
|
|
dc.w = mw / 3;
|
|
drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
|
|
dc.x += dc.w;
|
|
}
|
|
dc.x = mw - SPACE;
|
|
dc.w = SPACE;
|
|
drawtext(next ? ">" : NULL, dc.norm);
|
|
}
|
|
XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
|
|
XFlush(dpy);
|
|
}
|
|
|
|
static void
|
|
match(char *pattern) {
|
|
unsigned int plen;
|
|
Item *i, *j;
|
|
|
|
if(!pattern)
|
|
return;
|
|
plen = strlen(pattern);
|
|
item = j = NULL;
|
|
nitem = 0;
|
|
for(i = allitems; i; i=i->next)
|
|
if(!plen || !strncmp(pattern, i->text, plen)) {
|
|
if(!j)
|
|
item = i;
|
|
else
|
|
j->right = i;
|
|
i->left = j;
|
|
i->right = NULL;
|
|
j = i;
|
|
nitem++;
|
|
}
|
|
for(i = allitems; i; i=i->next)
|
|
if(plen && strncmp(pattern, i->text, plen)
|
|
&& strstr(i->text, pattern)) {
|
|
if(!j)
|
|
item = i;
|
|
else
|
|
j->right = i;
|
|
i->left = j;
|
|
i->right = NULL;
|
|
j = i;
|
|
nitem++;
|
|
}
|
|
curr = prev = next = sel = item;
|
|
calcoffsets();
|
|
}
|
|
|
|
static void
|
|
kpress(XKeyEvent * e) {
|
|
char buf[32];
|
|
int num, prev_nitem;
|
|
unsigned int i, len;
|
|
KeySym ksym;
|
|
|
|
len = strlen(text);
|
|
buf[0] = 0;
|
|
num = XLookupString(e, buf, sizeof buf, &ksym, 0);
|
|
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 (ksym) {
|
|
default: /* ignore other control sequences */
|
|
return;
|
|
case XK_bracketleft:
|
|
ksym = XK_Escape;
|
|
break;
|
|
case XK_h:
|
|
case XK_H:
|
|
ksym = XK_BackSpace;
|
|
break;
|
|
case XK_i:
|
|
case XK_I:
|
|
ksym = XK_Tab;
|
|
break;
|
|
case XK_j:
|
|
case XK_J:
|
|
ksym = XK_Return;
|
|
break;
|
|
case XK_u:
|
|
case XK_U:
|
|
text[0] = 0;
|
|
match(text);
|
|
drawmenu();
|
|
return;
|
|
}
|
|
}
|
|
if(CLEANMASK(e->state) & Mod1Mask) {
|
|
switch(ksym) {
|
|
default: return;
|
|
case XK_h:
|
|
ksym = XK_Left;
|
|
break;
|
|
case XK_l:
|
|
ksym = XK_Right;
|
|
break;
|
|
case XK_j:
|
|
ksym = XK_Next;
|
|
break;
|
|
case XK_k:
|
|
ksym = XK_Prior;
|
|
break;
|
|
case XK_g:
|
|
ksym = XK_Home;
|
|
break;
|
|
case XK_G:
|
|
ksym = XK_End;
|
|
break;
|
|
}
|
|
}
|
|
switch(ksym) {
|
|
default:
|
|
if(num && !iscntrl((int) buf[0])) {
|
|
buf[num] = 0;
|
|
if(len > 0)
|
|
strncat(text, buf, sizeof text);
|
|
else
|
|
strncpy(text, buf, sizeof text);
|
|
match(text);
|
|
}
|
|
break;
|
|
case XK_BackSpace:
|
|
if((i = len)) {
|
|
prev_nitem = nitem;
|
|
do {
|
|
text[--i] = 0;
|
|
match(text);
|
|
} while(i && nitem && prev_nitem == nitem);
|
|
match(text);
|
|
}
|
|
break;
|
|
case XK_End:
|
|
if(!item)
|
|
return;
|
|
while(next) {
|
|
sel = curr = next;
|
|
calcoffsets();
|
|
}
|
|
while(sel && sel->right)
|
|
sel = sel->right;
|
|
break;
|
|
case XK_Escape:
|
|
ret = 1;
|
|
running = False;
|
|
break;
|
|
case XK_Home:
|
|
if(!item)
|
|
return;
|
|
sel = curr = item;
|
|
calcoffsets();
|
|
break;
|
|
case XK_Left:
|
|
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:
|
|
if((e->state & ShiftMask) && text)
|
|
fprintf(stdout, "%s", text);
|
|
else if(sel)
|
|
fprintf(stdout, "%s", sel->text);
|
|
else if(text)
|
|
fprintf(stdout, "%s", text);
|
|
fflush(stdout);
|
|
running = False;
|
|
break;
|
|
case XK_Right:
|
|
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);
|
|
match(text);
|
|
break;
|
|
}
|
|
drawmenu();
|
|
}
|
|
|
|
static char *
|
|
readstdin(void) {
|
|
static char *maxname = NULL;
|
|
char *p, buf[1024];
|
|
unsigned int len = 0, max = 0;
|
|
Item *i, *new;
|
|
|
|
i = 0;
|
|
while(fgets(buf, sizeof buf, stdin)) {
|
|
len = strlen(buf);
|
|
if (buf[len - 1] == '\n')
|
|
buf[len - 1] = 0;
|
|
p = estrdup(buf);
|
|
if(max < len) {
|
|
maxname = p;
|
|
max = len;
|
|
}
|
|
new = emalloc(sizeof(Item));
|
|
new->next = new->left = new->right = NULL;
|
|
new->text = p;
|
|
if(!i)
|
|
allitems = new;
|
|
else
|
|
i->next = new;
|
|
i = new;
|
|
}
|
|
|
|
return maxname;
|
|
}
|
|
|
|
/* extern */
|
|
|
|
int screen;
|
|
Display *dpy;
|
|
DC dc = {0};
|
|
|
|
int
|
|
main(int argc, char *argv[]) {
|
|
char *font = FONT;
|
|
char *maxname;
|
|
char *normbg = NORMBGCOLOR;
|
|
char *normfg = NORMFGCOLOR;
|
|
char *selbg = SELBGCOLOR;
|
|
char *selfg = SELFGCOLOR;
|
|
fd_set rd;
|
|
int i, j;
|
|
struct timeval timeout;
|
|
Item *itm;
|
|
XEvent ev;
|
|
XModifierKeymap *modmap;
|
|
XSetWindowAttributes wa;
|
|
|
|
timeout.tv_usec = 0;
|
|
timeout.tv_sec = 3;
|
|
/* command line args */
|
|
for(i = 1; i < argc; i++)
|
|
if(!strncmp(argv[i], "-fn", 4)) {
|
|
if(++i < argc) font = argv[i];
|
|
}
|
|
else if(!strncmp(argv[i], "-nb", 4)) {
|
|
if(++i < argc) normbg = argv[i];
|
|
}
|
|
else if(!strncmp(argv[i], "-nf", 4)) {
|
|
if(++i < argc) normfg = argv[i];
|
|
}
|
|
else if(!strncmp(argv[i], "-p", 3)) {
|
|
if(++i < argc) prompt = argv[i];
|
|
}
|
|
else if(!strncmp(argv[i], "-sb", 4)) {
|
|
if(++i < argc) selbg = argv[i];
|
|
}
|
|
else if(!strncmp(argv[i], "-sf", 4)) {
|
|
if(++i < argc) selfg = argv[i];
|
|
}
|
|
else if(!strncmp(argv[i], "-t", 3)) {
|
|
if(++i < argc) timeout.tv_sec = atoi(argv[i]);
|
|
}
|
|
else if(!strncmp(argv[i], "-v", 3)) {
|
|
fputs("dmenu-"VERSION", (C)opyright MMVI-MMVII Anselm R. Garbe\n", stdout);
|
|
exit(EXIT_SUCCESS);
|
|
}
|
|
else
|
|
eprint("usage: dmenu [-fn <font>] [-nb <color>] [-nf <color>] [-p <prompt>]\n"
|
|
" [-sb <color>] [-sf <color>] [-t <seconds>] [-v]\n", stdout);
|
|
setlocale(LC_CTYPE, "");
|
|
dpy = XOpenDisplay(0);
|
|
if(!dpy)
|
|
eprint("dmenu: cannot open display\n");
|
|
screen = DefaultScreen(dpy);
|
|
root = RootWindow(dpy, screen);
|
|
|
|
/* Note, the select() construction allows to grab all keypresses as
|
|
* early as possible, to not loose them. But if there is no standard
|
|
* input supplied, we will make sure to exit after MAX_WAIT_STDIN
|
|
* seconds. This is convenience behavior for rapid typers.
|
|
*/
|
|
while(XGrabKeyboard(dpy, root, True, GrabModeAsync,
|
|
GrabModeAsync, CurrentTime) != GrabSuccess)
|
|
usleep(1000);
|
|
FD_ZERO(&rd);
|
|
FD_SET(STDIN_FILENO, &rd);
|
|
if(select(ConnectionNumber(dpy) + 1, &rd, NULL, NULL, &timeout) < 1)
|
|
goto UninitializedEnd;
|
|
maxname = readstdin();
|
|
/* 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);
|
|
/* style */
|
|
dc.norm[ColBG] = getcolor(normbg);
|
|
dc.norm[ColFG] = getcolor(normfg);
|
|
dc.sel[ColBG] = getcolor(selbg);
|
|
dc.sel[ColFG] = getcolor(selfg);
|
|
setfont(font);
|
|
/* menu window */
|
|
wa.override_redirect = 1;
|
|
wa.background_pixmap = ParentRelative;
|
|
wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask;
|
|
mw = DisplayWidth(dpy, screen);
|
|
mh = dc.font.height + 2;
|
|
win = XCreateWindow(dpy, root, 0,
|
|
DisplayHeight(dpy, screen) - mh, mw, mh, 0,
|
|
DefaultDepth(dpy, screen), CopyFromParent,
|
|
DefaultVisual(dpy, screen),
|
|
CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
|
|
/* pixmap */
|
|
dc.drawable = XCreatePixmap(dpy, root, mw, mh, DefaultDepth(dpy, screen));
|
|
dc.gc = XCreateGC(dpy, root, 0, 0);
|
|
XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
|
|
if(maxname)
|
|
cmdw = textw(maxname);
|
|
if(cmdw > mw / 3)
|
|
cmdw = mw / 3;
|
|
if(prompt)
|
|
promptw = textw(prompt);
|
|
if(promptw > mw / 5)
|
|
promptw = mw / 5;
|
|
text[0] = 0;
|
|
match(text);
|
|
XMapRaised(dpy, win);
|
|
drawmenu();
|
|
XSync(dpy, False);
|
|
|
|
/* main event loop */
|
|
while(running && !XNextEvent(dpy, &ev))
|
|
switch (ev.type) {
|
|
default: /* ignore all crap */
|
|
break;
|
|
case KeyPress:
|
|
kpress(&ev.xkey);
|
|
break;
|
|
case Expose:
|
|
if(ev.xexpose.count == 0)
|
|
drawmenu();
|
|
break;
|
|
}
|
|
|
|
/* cleanup */
|
|
while(allitems) {
|
|
itm = allitems->next;
|
|
free(allitems->text);
|
|
free(allitems);
|
|
allitems = itm;
|
|
}
|
|
if(dc.font.set)
|
|
XFreeFontSet(dpy, dc.font.set);
|
|
else
|
|
XFreeFont(dpy, dc.font.xfont);
|
|
XFreePixmap(dpy, dc.drawable);
|
|
XFreeGC(dpy, dc.gc);
|
|
XDestroyWindow(dpy, win);
|
|
UninitializedEnd:
|
|
XUngrabKeyboard(dpy, CurrentTime);
|
|
XCloseDisplay(dpy);
|
|
return ret;
|
|
}
|