X-Git-Url: https://git.xinqibao.xyz/dmenu.git/blobdiff_plain/0291c722fb298768d1942824ea2900399566e8a1..f7cbe710a266448122d89a02b8ba8c70423fc750:/dmenu.c
diff --git a/dmenu.c b/dmenu.c
index 3c83d73..d03087f 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -3,6 +3,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <strings.h>
#include <unistd.h>
#include <X11/Xlib.h>
#include <X11/Xatom.h>
@@ -19,8 +20,7 @@
typedef struct Item Item;
struct Item {
char *text;
- Item *next; /* traverses all items */
- Item *left, *right; /* traverses matching items */
+ Item *left, *right;
};
static void appenditem(Item *item, Item **list, Item **last);
@@ -28,21 +28,20 @@ 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 insert(const char *str, ssize_t n);
static void keypress(XKeyEvent *ev);
-static void match(void);
-static size_t nextrune(int incr);
+static void match(Bool sub);
+static size_t nextrune(int inc);
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 inputw, promptw;
static int lines = 0;
-static int monitor = -1;
-static int promptw;
static size_t cursor = 0;
static const char *font = NULL;
static const char *prompt = NULL;
@@ -56,9 +55,9 @@ 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 Item *matches, *matchend;
+static Item *prev, *curr, *next, *sel;
+static Window win;
static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
@@ -67,11 +66,10 @@ main(int argc, char *argv[]) {
Bool fast = False;
int i;
- progname = "dmenu";
for(i = 1; i < argc; i++)
/* single flags */
if(!strcmp(argv[i], "-v")) {
- fputs("dmenu-"VERSION", © 2006-2011 dmenu engineers, see LICENSE for details\n", stdout);
+ puts("dmenu-"VERSION", © 2006-2011 dmenu engineers, see LICENSE for details");
exit(EXIT_SUCCESS);
}
else if(!strcmp(argv[i], "-b"))
@@ -80,13 +78,11 @@ main(int argc, char *argv[]) {
fast = True;
else if(!strcmp(argv[i], "-i"))
fstrncmp = strncasecmp;
- else if(i == argc-1)
- goto usage;
+ else if(i+1 == argc)
+ usage();
/* double flags */
else if(!strcmp(argv[i], "-l"))
lines = atoi(argv[++i]);
- else if(!strcmp(argv[i], "-m"))
- monitor = atoi(argv[++i]);
else if(!strcmp(argv[i], "-p"))
prompt = argv[++i];
else if(!strcmp(argv[i], "-fn"))
@@ -100,27 +96,23 @@ main(int argc, char *argv[]) {
else if(!strcmp(argv[i], "-sf"))
selfgcolor = argv[++i];
else
- goto usage;
+ usage();
dc = initdc();
initfont(dc, font);
if(fast) {
- setup();
+ grabkeyboard();
readstdin();
}
else {
readstdin();
- setup();
+ grabkeyboard();
}
- match();
+ setup();
run();
- return EXIT_FAILURE;
-usage:
- fputs("usage: dmenu [-b] [-f] [-i] [-l lines] [-m monitor] [-p prompt] [-fn font]\n"
- " [-nb color] [-nf color] [-sb color] [-sf color] [-v]\n", stderr);
- return EXIT_FAILURE;
+ return EXIT_FAILURE; /* should not reach */
}
void
@@ -136,7 +128,7 @@ appenditem(Item *item, Item **list, Item **last) {
void
calcoffsets(void) {
- unsigned int i, n;
+ int i, n;
if(lines > 0)
n = lines * bh;
@@ -211,7 +203,8 @@ grabkeyboard(void) {
int i;
for(i = 0; i < 1000; i++) {
- if(!XGrabKeyboard(dc->dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime))
+ if(XGrabKeyboard(dc->dpy, DefaultRootWindow(dc->dpy), True,
+ GrabModeAsync, GrabModeAsync, CurrentTime) == GrabSuccess)
return;
usleep(1000);
}
@@ -219,26 +212,27 @@ grabkeyboard(void) {
}
void
-insert(const char *s, ssize_t n) {
+insert(const char *str, ssize_t n) {
if(strlen(text) + n > sizeof text - 1)
return;
- memmove(text + cursor + n, text + cursor, sizeof text - cursor - MAX(n, 0));
+ memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0));
if(n > 0)
- memcpy(text + cursor, s, n);
+ memcpy(&text[cursor], str, n);
cursor += n;
- match();
+ match(n > 0 && text[cursor] == '\0');
}
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)) {
+ if(ev->state & ControlMask) {
+ KeySym lower, upper;
+
+ XConvertCase(ksym, &lower, &upper);
+ switch(lower) {
default:
return;
case XK_a:
@@ -266,11 +260,12 @@ keypress(XKeyEvent *ev) {
ksym = XK_Tab;
break;
case XK_j:
+ case XK_m:
ksym = XK_Return;
break;
case XK_k: /* delete right */
text[cursor] = '\0';
- match();
+ match(False);
break;
case XK_n:
ksym = XK_Down;
@@ -291,13 +286,14 @@ keypress(XKeyEvent *ev) {
XConvertSelection(dc->dpy, XA_PRIMARY, utf8, utf8, win, CurrentTime);
return;
}
+ }
switch(ksym) {
default:
if(!iscntrl(*buf))
insert(buf, strlen(buf));
break;
case XK_Delete:
- if(cursor == len)
+ if(text[cursor] == '\0')
return;
cursor = nextrune(+1);
case XK_BackSpace:
@@ -305,16 +301,19 @@ keypress(XKeyEvent *ev) {
insert(NULL, nextrune(-1) - cursor);
break;
case XK_End:
- if(cursor < len) {
- cursor = len;
+ if(text[cursor] != '\0') {
+ cursor = strlen(text);
break;
}
- while(next) {
- sel = curr = next;
+ if(next) {
+ curr = matchend;
calcoffsets();
+ curr = prev;
+ calcoffsets();
+ while(next && (curr = curr->right))
+ calcoffsets();
}
- while(sel && sel->right)
- sel = sel->right;
+ sel = matchend;
break;
case XK_Escape:
exit(EXIT_FAILURE);
@@ -356,7 +355,7 @@ keypress(XKeyEvent *ev) {
fputs((sel && !(ev->state & ShiftMask)) ? sel->text : text, stdout);
exit(EXIT_SUCCESS);
case XK_Right:
- if(cursor < len) {
+ if(text[cursor] != '\0') {
cursor = nextrune(+1);
break;
}
@@ -373,58 +372,58 @@ keypress(XKeyEvent *ev) {
return;
strncpy(text, sel->text, sizeof text);
cursor = strlen(text);
- match();
+ match(True);
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)
+match(Bool sub) {
+ size_t len = strlen(text);
+ Item *lexact, *lprefix, *lsubstr, *exactend, *prefixend, *substrend;
+ Item *item, *lnext;
+
+ lexact = lprefix = lsubstr = exactend = prefixend = substrend = NULL;
+ for(item = sub ? matches : items; item && item->text; item = lnext) {
+ lnext = sub ? item->right : item + 1;
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;
}
+ matches = lexact;
+ matchend = exactend;
+
if(lprefix) {
- if(itemend) {
- itemend->right = lprefix;
- lprefix->left = itemend;
+ if(matchend) {
+ matchend->right = lprefix;
+ lprefix->left = matchend;
}
else
matches = lprefix;
- itemend = prefixend;
+ matchend = prefixend;
}
if(lsubstr) {
- if(itemend) {
- itemend->right = lsubstr;
- lsubstr->left = itemend;
+ if(matchend) {
+ matchend->right = lsubstr;
+ lsubstr->left = matchend;
}
else
matches = lsubstr;
+ matchend = substrend;
}
curr = sel = matches;
calcoffsets();
}
size_t
-nextrune(int incr) {
- size_t n, len;
+nextrune(int inc) {
+ ssize_t n;
- len = strlen(text);
- for(n = cursor + incr; n >= 0 && n < len && (text[n] & 0xc0) == 0x80; n += incr);
+ for(n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc);
return n;
}
@@ -437,25 +436,30 @@ paste(void) {
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));
+ insert(p, (q = strchr(p, '\n')) ? q-p : (ssize_t)strlen(p));
XFree(p);
drawmenu();
}
void
readstdin(void) {
- char buf[sizeof text], *p;
- Item *item, **end;
+ char buf[sizeof text], *p, *maxstr = NULL;
+ size_t i, max = 0, size = 0;
- for(end = &items; fgets(buf, sizeof buf, stdin); *end = item, end = &item->next) {
+ for(i = 0; fgets(buf, sizeof buf, stdin); i++) {
+ if(i+1 >= size / sizeof *items)
+ if(!(items = realloc(items, (size += BUFSIZ))))
+ eprintf("cannot realloc %u bytes:", size);
if((p = strchr(buf, '\n')))
*p = '\0';
- if(!(item = calloc(1, sizeof *item)))
- eprintf("cannot malloc %u bytes:", sizeof *item);
- if(!(item->text = strdup(buf)))
+ if(!(items[i].text = strdup(buf)))
eprintf("cannot strdup %u bytes:", strlen(buf)+1);
- inputw = MAX(inputw, textw(dc, item->text));
+ if(strlen(items[i].text) > max)
+ max = strlen(maxstr = items[i].text);
}
+ if(items)
+ items[i].text = NULL;
+ inputw = maxstr ? textw(dc, maxstr) : 0;
}
void
@@ -484,21 +488,20 @@ run(void) {
void
setup(void) {
- int x, y, screen;
+ int x, y, screen = DefaultScreen(dc->dpy);
+ Window root = RootWindow(dc->dpy, 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] = getcolor(dc, normbgcolor);
normcol[ColFG] = getcolor(dc, normfgcolor);
- selcol[ColBG] = getcolor(dc, selbgcolor);
- selcol[ColFG] = getcolor(dc, selfgcolor);
+ selcol[ColBG] = getcolor(dc, selbgcolor);
+ selcol[ColFG] = getcolor(dc, selfgcolor);
+
+ utf8 = XInternAtom(dc->dpy, "UTF8_STRING", False);
/* menu geometry */
bh = dc->font.height + 2;
@@ -506,18 +509,17 @@ setup(void) {
mh = (lines + 1) * bh;
#ifdef XINERAMA
if((info = XineramaQueryScreens(dc->dpy, &n))) {
- int i, m, di;
+ int i, di;
unsigned int du;
Window dw;
XQueryPointer(dc->dpy, root, &dw, &dw, &x, &y, &di, &di, &du);
- for(i = 0, m = -1; i < n; i++)
- if((monitor == info[i].screen_number)
- || (m < 0 && INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height)))
- m = i;
- x = info[m].x_org;
- y = info[m].y_org + (topbar ? 0 : info[m].height - mh);
- mw = info[m].width;
+ for(i = 0; i < n-1; 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
@@ -527,6 +529,10 @@ setup(void) {
y = topbar ? 0 : DisplayHeight(dc->dpy, screen) - mh;
mw = DisplayWidth(dc->dpy, screen);
}
+ promptw = prompt ? textw(dc, prompt) : 0;
+ inputw = MIN(inputw, mw/3);
+ match(False);
+
/* menu window */
wa.override_redirect = True;
wa.background_pixmap = ParentRelative;
@@ -536,9 +542,14 @@ setup(void) {
DefaultVisual(dc->dpy, screen),
CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
- grabkeyboard();
- resizedc(dc, mw, mh);
- inputw = MIN(inputw, mw/3);
- promptw = prompt ? textw(dc, prompt) : 0;
XMapRaised(dc->dpy, win);
+ resizedc(dc, mw, mh);
+ drawmenu();
+}
+
+void
+usage(void) {
+ fputs("usage: dmenu [-b] [-f] [-i] [-l lines] [-p prompt] [-fn font]\n"
+ " [-nb color] [-nf color] [-sb color] [-sf color] [-v]\n", stderr);
+ exit(EXIT_FAILURE);
}