X-Git-Url: https://git.xinqibao.xyz/dmenu.git/blobdiff_plain/e4fdaba88d94d049c4140593cb2fd3208c8cf0f1..c805dcbeaff38dfcf78bdcc10c863eb7e1bbc32d:/dmenu.c
diff --git a/dmenu.c b/dmenu.c
index a5a4cdd..fd98d54 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>
@@ -10,7 +11,7 @@
#ifdef XINERAMA
#include <X11/extensions/Xinerama.h>
#endif
-#include <draw.h>
+#include "draw.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))
@@ -19,29 +20,27 @@
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);
static void calcoffsets(void);
+static char *cistrstr(const char *s, const char *sub);
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 char text[BUFSIZ] = "";
static int bh, mw, mh;
-static int inputw = 0;
-static int promptw;
+static int inputw, promptw;
static int lines = 0;
static size_t cursor = 0;
static const char *font = NULL;
@@ -56,11 +55,68 @@ 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;
+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++)
+ /* single flags */
+ if(!strcmp(argv[i], "-v")) {
+ puts("dmenu-"VERSION", © 2006-2011 dmenu engineers, see LICENSE for details");
+ exit(EXIT_SUCCESS);
+ }
+ else if(!strcmp(argv[i], "-b"))
+ topbar = False;
+ else if(!strcmp(argv[i], "-f"))
+ fast = True;
+ else if(!strcmp(argv[i], "-i")) {
+ fstrncmp = strncasecmp;
+ fstrstr = cistrstr;
+ }
+ else if(i+1 == argc)
+ 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 = initdc();
+ initfont(dc, font);
+
+ if(fast) {
+ grabkeyboard();
+ readstdin();
+ }
+ else {
+ readstdin();
+ grabkeyboard();
+ }
+ setup();
+ run();
+
+ return EXIT_FAILURE; /* unreachable */
+}
void
appenditem(Item *item, Item **list, Item **last) {
@@ -68,6 +124,7 @@ appenditem(Item *item, Item **list, Item **last) {
*list = item;
else
(*last)->right = item;
+
item->left = *last;
item->right = NULL;
*last = item;
@@ -75,7 +132,7 @@ appenditem(Item *item, Item **list, Item **last) {
void
calcoffsets(void) {
- unsigned int i, n;
+ int i, n;
if(lines > 0)
n = lines * bh;
@@ -83,13 +140,23 @@ calcoffsets(void) {
n = mw - (promptw + inputw + textw(dc, "<") + textw(dc, ">"));
for(i = 0, next = curr; next; next = next->right)
- if((i += (lines > 0) ? bh : MIN(textw(dc, next->text), mw/3)) > n)
+ if((i += (lines > 0) ? bh : MIN(textw(dc, next->text), n)) > n)
break;
for(i = 0, prev = curr; prev && prev->left; prev = prev->left)
- if((i += (lines > 0) ? bh : MIN(textw(dc, prev->left->text), mw/3)) > n)
+ if((i += (lines > 0) ? bh : MIN(textw(dc, prev->left->text), n)) > n)
break;
}
+char *
+cistrstr(const char *s, const char *sub) {
+ size_t len;
+
+ for(len = strlen(sub); *s; s++)
+ if(!strncasecmp(s, sub, len))
+ return (char *)s;
+ return NULL;
+}
+
void
drawmenu(void) {
int curpos;
@@ -124,7 +191,7 @@ drawmenu(void) {
drawtext(dc, "<", normcol);
for(item = curr; item != next; item = item->right) {
dc->x += dc->w;
- dc->w = MIN(textw(dc, item->text), mw/3);
+ dc->w = MIN(textw(dc, item->text), mw - dc->x - textw(dc, ">"));
drawtext(dc, item->text, (item == sel) ? selcol : normcol);
}
dc->w = textw(dc, ">");
@@ -132,17 +199,7 @@ drawmenu(void) {
if(next)
drawtext(dc, ">", normcol);
}
- commitdraw(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;
+ mapdc(dc, win, mw, mh);
}
void
@@ -150,7 +207,8 @@ 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);
}
@@ -158,103 +216,89 @@ 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)) {
- 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 */
+ KeySym lower, upper;
+
+ XConvertCase(ksym, &lower, &upper);
+ switch(lower) {
+ 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_m: ksym = XK_Return; break;
+ case XK_n: ksym = XK_Up; break;
+ case XK_p: ksym = XK_Down; break;
+
+ case XK_k: /* delete right */
text[cursor] = '\0';
- match();
- break;
- case XK_n:
- ksym = XK_Down;
- break;
- case XK_p:
- ksym = XK_Up;
+ match(False);
break;
- case XK_u: /* delete left */
+ case XK_u: /* delete left */
insert(NULL, 0 - cursor);
break;
- case XK_w: /* delete word */
+ 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;
- case XK_y: /* paste selection */
+ case XK_y: /* paste selection */
XConvertSelection(dc->dpy, XA_PRIMARY, utf8, utf8, win, CurrentTime);
return;
+ default:
+ return;
}
}
switch(ksym) {
default:
- if(isprint(*buf))
+ if(!iscntrl(*buf))
insert(buf, strlen(buf));
break;
case XK_Delete:
- if(cursor == len)
+ if(text[cursor] == '\0')
return;
cursor = nextrune(+1);
+ /* fallthrough */
case XK_BackSpace:
- if(cursor > 0)
- insert(NULL, nextrune(-1) - cursor);
+ if(cursor == 0)
+ return;
+ 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);
@@ -271,8 +315,7 @@ keypress(XKeyEvent *ev) {
cursor = nextrune(-1);
break;
}
- else if(lines > 0)
- return;
+ /* fallthrough */
case XK_Up:
if(sel && sel->left && (sel = sel->left)->right == curr) {
curr = prev;
@@ -293,16 +336,14 @@ keypress(XKeyEvent *ev) {
break;
case XK_Return:
case XK_KP_Enter:
- fputs((sel && !(ev->state & ShiftMask)) ? sel->text : text, stdout);
- fflush(stdout);
+ puts((sel && !(ev->state & ShiftMask)) ? sel->text : text);
exit(EXIT_SUCCESS);
case XK_Right:
- if(cursor < len) {
+ if(text[cursor] != '\0') {
cursor = nextrune(+1);
break;
}
- else if(lines > 0)
- return;
+ /* fallthrough */
case XK_Down:
if(sel && sel->right && (sel = sel->right) == next) {
curr = next;
@@ -314,58 +355,58 @@ 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 = prev = next = sel = matches;
+ 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;
}
@@ -378,26 +419,30 @@ 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 = 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, textw(dc, item->text));
+ if(!(items[i].text = strdup(buf)))
+ eprintf("cannot strdup %u bytes:", strlen(buf)+1);
+ 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
@@ -408,7 +453,7 @@ run(void) {
switch(ev.type) {
case Expose:
if(ev.xexpose.count == 0)
- drawmenu();
+ mapdc(dc, win, mw, mh);
break;
case KeyPress:
keypress(&ev.xkey);
@@ -426,21 +471,20 @@ 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;
@@ -453,7 +497,7 @@ setup(void) {
Window dw;
XQueryPointer(dc->dpy, root, &dw, &dw, &x, &y, &di, &di, &du);
- for(i = 0; i < n; i++)
+ 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;
@@ -468,6 +512,10 @@ 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;
@@ -477,62 +525,14 @@ setup(void) {
DefaultVisual(dc->dpy, screen),
CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
- grabkeyboard();
- setcanvas(dc, mw, mh);
- inputw = MIN(inputw, mw/3);
- promptw = prompt ? MIN(textw(dc, prompt), mw/5) : 0;
XMapRaised(dc->dpy, win);
- text[0] = '\0';
- match();
+ resizedc(dc, mw, mh);
+ drawmenu();
}
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);
+ 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);
}
-
-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 = initdraw();
- initfont(dc, font);
- readstdin();
- setup();
- run();
-
- return EXIT_FAILURE; /* should not reach */
-}