X-Git-Url: https://git.xinqibao.xyz/dmenu.git/blobdiff_plain/06ae8944344cd6f7d0aa007b7b036e77cb87fdf1..32f2564dbbbf5aeafb7190a3d35066142f34448f:/dmenu.c
diff --git a/dmenu.c b/dmenu.c
index b684175..a07f8e3 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -1,701 +1,680 @@
/* See LICENSE file for copyright and license details. */
#include <ctype.h>
#include <locale.h>
-#include <stdarg.h>
-#include <stdlib.h>
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
-#include <unistd.h>
+#include <strings.h>
+#include <time.h>
+
#include <X11/Xlib.h>
+#include <X11/Xatom.h>
#include <X11/Xutil.h>
-#include <X11/keysym.h>
+#ifdef XINERAMA
+#include <X11/extensions/Xinerama.h>
+#endif
+#include <X11/Xft/Xft.h>
+
+#include "drw.h"
+#include "util.h"
/* macros */
-#define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
+#define INTERSECT(x,y,w,h,r) (MAX(0, MIN((x)+(w),(r).x_org+(r).width) - MAX((x),(r).x_org)) \
+ * MAX(0, MIN((y)+(h),(r).y_org+(r).height) - MAX((y),(r).y_org)))
+#define LENGTH(X) (sizeof X / sizeof X[0])
+#define TEXTNW(X,N) (drw_font_getexts_width(drw->fonts[0], (X), (N)))
+#define TEXTW(X) (drw_text(drw, 0, 0, 0, 0, (X), 0) + drw->fonts[0]->h)
/* enums */
-enum { ColFG, ColBG, ColLast };
-
-/* typedefs */
-typedef struct {
- int x, y, w, h;
- unsigned long norm[ColLast];
- unsigned long sel[ColLast];
- Drawable drawable;
- GC gc;
- struct {
- XFontStruct *xfont;
- XFontSet set;
- int ascent;
- int descent;
- int height;
- } font;
-} DC; /* draw context */
-
-typedef struct Item Item;
-struct Item {
- Item *next; /* traverses all items */
- Item *left, *right; /* traverses items matching current search pattern */
+enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */
+
+struct item {
char *text;
+ struct item *left, *right;
+ int out;
};
-/* forward declarations */
-static void *emalloc(unsigned int size);
-static void eprint(const char *errstr, ...);
-static char *estrdup(const char *str);
-static void drawtext(const char *text, unsigned long col[ColLast]);
-static unsigned int textw(const char *text);
-static unsigned int textnw(const char *text, unsigned int len);
-static void calcoffsets(void);
-static void drawmenu(void);
-static Bool grabkeyboard(void);
-static unsigned long getcolor(const char *colstr);
-static void initfont(const char *fontstr);
-static int strido(const char *text, const char *pattern);
-static void match(char *pattern);
-static void kpress(XKeyEvent * e);
-static char *readstdin(void);
-static void usage(void);
-
-
-/* variables */
-static int screen;
+static char text[BUFSIZ] = "";
+static int bh, mw, mh;
+static int sw, sh; /* X display screen geometry width, height */
+static int inputw, promptw;
+static size_t cursor;
+static struct item *items = NULL;
+static struct item *matches, *matchend;
+static struct item *prev, *curr, *next, *sel;
+static int mon = -1, screen;
+
+static Atom clip, utf8;
static Display *dpy;
-static DC dc = {0};
-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 Window root, win;
+static XIC xic;
-#include "config.h"
+static ClrScheme scheme[SchemeLast];
+static Drw *drw;
-static void *
-emalloc(unsigned int size) {
- void *res = malloc(size);
+#include "config.h"
- if(!res)
- eprint("fatal: could not malloc() %u bytes\n", size);
- return res;
-}
+static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
+static char *(*fstrstr)(const char *, const char *) = strstr;
static void
-eprint(const char *errstr, ...) {
- va_list ap;
+appenditem(struct item *item, struct item **list, struct item **last)
+{
+ if (*last)
+ (*last)->right = item;
+ else
+ *list = item;
- va_start(ap, errstr);
- vfprintf(stderr, errstr, ap);
- va_end(ap);
- exit(EXIT_FAILURE);
+ item->left = *last;
+ item->right = NULL;
+ *last = item;
}
-static char *
-estrdup(const char *str) {
- void *res = strdup(str);
+static void
+calcoffsets(void)
+{
+ int i, n;
- if(!res)
- eprint("fatal: could not malloc() %u bytes\n", strlen(str));
- return res;
+ if (lines > 0)
+ n = lines * bh;
+ else
+ n = mw - (promptw + inputw + TEXTW("<") + TEXTW(">"));
+ /* calculate which items will begin the next page and previous page */
+ for (i = 0, next = curr; next; next = next->right)
+ if ((i += (lines > 0) ? bh : MIN(TEXTW(next->text), n)) > n)
+ break;
+ for (i = 0, prev = curr; prev && prev->left; prev = prev->left)
+ if ((i += (lines > 0) ? bh : MIN(TEXTW(prev->left->text), n)) > n)
+ break;
}
-
static void
-drawtext(const char *text, unsigned long col[ColLast]) {
- int x, y, w, h;
- static char buf[256];
- unsigned int len, olen;
- XRectangle r = { dc.x, dc.y, dc.w, dc.h };
-
- XSetForeground(dpy, dc.gc, col[ColBG]);
- XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
- if(!text)
- return;
- w = 0;
- olen = len = strlen(text);
- if(len >= sizeof buf)
- len = sizeof buf - 1;
- memcpy(buf, text, len);
- buf[len] = 0;
- h = dc.font.ascent + dc.font.descent;
- y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
- x = dc.x + (h / 2);
- /* shorten text if necessary */
- while(len && (w = textnw(buf, len)) > dc.w - h)
- buf[--len] = 0;
- if(len < olen) {
- if(len > 1)
- buf[len - 1] = '.';
- if(len > 2)
- buf[len - 2] = '.';
- if(len > 3)
- buf[len - 3] = '.';
+cleanup(void)
+{
+ size_t i;
+
+ XUngrabKey(dpy, AnyKey, AnyModifier, root);
+ for (i = 0; i < SchemeLast; i++) {
+ drw_clr_free(scheme[i].bg);
+ drw_clr_free(scheme[i].fg);
}
- if(w > dc.w)
- return; /* too long */
- XSetForeground(dpy, dc.gc, col[ColFG]);
- if(dc.font.set)
- XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
- else
- XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
-}
-
-static unsigned int
-textw(const char *text) {
- return textnw(text, strlen(text)) + dc.font.height;
+ drw_free(drw);
+ XSync(dpy, False);
+ XCloseDisplay(dpy);
}
-static unsigned int
-textnw(const char *text, unsigned int len) {
- XRectangle r;
-
- if(dc.font.set) {
- XmbTextExtents(dc.font.set, text, len, NULL, &r);
- return r.width;
- }
- return XTextWidth(dc.font.xfont, text, len);
+static 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;
}
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;
+drawmenu(void)
+{
+ int curpos;
+ struct item *item;
+ int x = 0, y = 0, h = bh, w;
+
+ drw_setscheme(drw, &scheme[SchemeNorm]);
+ drw_rect(drw, 0, 0, mw, mh, 1, 1, 1);
+
+ if (prompt && *prompt) {
+ drw_setscheme(drw, &scheme[SchemeSel]);
+ drw_text(drw, x, 0, promptw, bh, prompt, 0);
+ x += promptw;
}
- 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;
+ /* draw input field */
+ w = (lines > 0 || !matches) ? mw - x : inputw;
+ drw_setscheme(drw, &scheme[SchemeNorm]);
+ drw_text(drw, x, 0, w, bh, text, 0);
+
+ if ((curpos = TEXTNW(text, cursor) + bh / 2 - 2) < w) {
+ drw_setscheme(drw, &scheme[SchemeNorm]);
+ drw_rect(drw, x + curpos + 2, 2, 1, bh - 4, 1, 1, 0);
}
-}
-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;
+ if (lines > 0) {
+ /* draw vertical list */
+ w = mw - x;
+ for (item = curr; item != next; item = item->right) {
+ y += h;
+ if (item == sel)
+ drw_setscheme(drw, &scheme[SchemeSel]);
+ else if (item->out)
+ drw_setscheme(drw, &scheme[SchemeOut]);
+ else
+ drw_setscheme(drw, &scheme[SchemeNorm]);
+
+ drw_text(drw, x, y, w, bh, item->text, 0);
+ }
+ } else if (matches) {
+ /* draw horizontal list */
+ x += inputw;
+ w = TEXTW("<");
+ if (curr->left) {
+ drw_setscheme(drw, &scheme[SchemeNorm]);
+ drw_text(drw, x, 0, w, bh, "<", 0);
+ }
+ for (item = curr; item != next; item = item->right) {
+ x += w;
+ w = MIN(TEXTW(item->text), mw - x - TEXTW(">"));
+
+ if (item == sel)
+ drw_setscheme(drw, &scheme[SchemeSel]);
+ else if (item->out)
+ drw_setscheme(drw, &scheme[SchemeOut]);
+ else
+ drw_setscheme(drw, &scheme[SchemeNorm]);
+ drw_text(drw, x, 0, w, bh, item->text, 0);
+ }
+ w = TEXTW(">");
+ x = mw - w;
+ if (next) {
+ drw_setscheme(drw, &scheme[SchemeNorm]);
+ drw_text(drw, x, 0, w, bh, ">", 0);
}
- 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);
+ drw_map(drw, win, 0, 0, mw, mh);
}
-static Bool
-grabkeyboard(void) {
- unsigned int len;
-
- for(len = 1000; len; len--) {
- if(XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime)
- == GrabSuccess)
- break;
- usleep(1000);
+static void
+grabkeyboard(void)
+{
+ struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 };
+ int i;
+
+ /* try to grab keyboard, we may have to wait for another process to ungrab */
+ for (i = 0; i < 1000; i++) {
+ if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True,
+ GrabModeAsync, GrabModeAsync, CurrentTime) == GrabSuccess)
+ return;
+ nanosleep(&ts, NULL);
}
- return len > 0;
-}
-
-static unsigned long
-getcolor(const char *colstr) {
- Colormap cmap = DefaultColormap(dpy, screen);
- XColor color;
-
- if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
- eprint("error, cannot allocate color '%s'\n", colstr);
- return color.pixel;
+ die("cannot grab keyboard\n");
}
static void
-initfont(const char *fontstr) {
- char *def, **missing;
- int i, n;
-
- if(!fontstr || fontstr[0] == '\0')
- eprint("error, cannot load font: '%s'\n", fontstr);
- missing = NULL;
- if(dc.font.set)
- XFreeFontSet(dpy, dc.font.set);
- dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
- if(missing)
- XFreeStringList(missing);
- if(dc.font.set) {
- XFontSetExtents *font_extents;
- XFontStruct **xfonts;
- char **font_names;
- dc.font.ascent = dc.font.descent = 0;
- font_extents = XExtentsOfFontSet(dc.font.set);
- n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
- for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
- if(dc.font.ascent < (*xfonts)->ascent)
- dc.font.ascent = (*xfonts)->ascent;
- if(dc.font.descent < (*xfonts)->descent)
- dc.font.descent = (*xfonts)->descent;
- xfonts++;
- }
+match(void)
+{
+ static char **tokv = NULL;
+ static int tokn = 0;
+
+ char buf[sizeof text], *s;
+ int i, tokc = 0;
+ size_t len, textsize;
+ struct item *item, *lprefix, *lsubstr, *prefixend, *substrend;
+
+ strcpy(buf, text);
+ /* separate input text into tokens to be matched individually */
+ for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " "))
+ if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv)))
+ die("cannot realloc %u bytes\n", tokn * sizeof *tokv);
+ len = tokc ? strlen(tokv[0]) : 0;
+
+ matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL;
+ textsize = strlen(text);
+ for (item = items; item && item->text; item++) {
+ for (i = 0; i < tokc; i++)
+ if (!fstrstr(item->text, tokv[i]))
+ break;
+ if (i != tokc) /* not all tokens match */
+ continue;
+ /* exact matches go first, then prefixes, then substrings */
+ if (!tokc || !fstrncmp(text, item->text, textsize))
+ appenditem(item, &matches, &matchend);
+ else if (!fstrncmp(tokv[0], item->text, len))
+ appenditem(item, &lprefix, &prefixend);
+ else
+ appenditem(item, &lsubstr, &substrend);
}
- else {
- if(dc.font.xfont)
- XFreeFont(dpy, dc.font.xfont);
- dc.font.xfont = NULL;
- if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))) {
- if(!(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
- eprint("error, cannot load font: '%s'\n", fontstr);
- }
- dc.font.ascent = dc.font.xfont->ascent;
- dc.font.descent = dc.font.xfont->descent;
+ if (lprefix) {
+ if (matches) {
+ matchend->right = lprefix;
+ lprefix->left = matchend;
+ } else
+ matches = lprefix;
+ matchend = prefixend;
+ }
+ if (lsubstr) {
+ if (matches) {
+ matchend->right = lsubstr;
+ lsubstr->left = matchend;
+ } else
+ matches = lsubstr;
+ matchend = substrend;
}
- dc.font.height = dc.font.ascent + dc.font.descent;
+ curr = sel = matches;
+ calcoffsets();
}
-static int
-strido(const char *text, const char *pattern) {
- for(; *text && *pattern; text++)
- if (*text == *pattern)
- pattern++;
- return !*pattern;
-}
-
static void
-match(char *pattern) {
- unsigned int plen;
- Item *i, *j;
-
- if(!pattern)
+insert(const char *str, ssize_t n)
+{
+ if (strlen(text) + n > sizeof text - 1)
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++;
- }
- for(i = allitems; i; i=i->next)
- if(plen && strncmp(pattern, i->text, plen)
- && !strstr(i->text, pattern)
- && strido(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();
+ /* move existing text out of the way, insert new text, and update cursor */
+ memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0));
+ if (n > 0)
+ memcpy(&text[cursor], str, n);
+ cursor += n;
+ match();
+}
+
+static size_t
+nextrune(int inc)
+{
+ ssize_t n;
+
+ /* return location of next utf8 rune in the given direction (+1 or -1) */
+ for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc)
+ ;
+ return n;
}
static void
-kpress(XKeyEvent * e) {
+keypress(XKeyEvent *ev)
+{
char buf[32];
- int i, num;
- unsigned int len;
- KeySym ksym;
-
- len = strlen(text);
- buf[0] = 0;
- num = XLookupString(e, buf, sizeof buf, &ksym, 0);
- if(IsKeypadKey(ksym)) {
- 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;
- }
- }
- if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
- || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
- || IsPrivateKeypadKey(ksym))
+ int len;
+ KeySym ksym = NoSymbol;
+ Status status;
+
+ len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status);
+ if (status == XBufferOverflow)
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;
+ if (ev->state & ControlMask)
+ switch(ksym) {
+ 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_g: ksym = XK_Escape; break;
+ case XK_h: ksym = XK_BackSpace; break;
+ case XK_i: ksym = XK_Tab; break;
+ case XK_j: /* fallthrough */
+ case XK_J: /* fallthrough */
+ case XK_m: /* fallthrough */
+ case XK_M: ksym = XK_Return; ev->state &= ~ControlMask; break;
+ case XK_n: ksym = XK_Down; break;
+ case XK_p: ksym = XK_Up; break;
+
+ case XK_k: /* delete right */
+ text[cursor] = '\0';
+ match();
break;
- case XK_i:
- case XK_I:
- ksym = XK_Tab;
+ case XK_u: /* delete left */
+ insert(NULL, 0 - cursor);
break;
- case XK_j:
- case XK_J:
- ksym = XK_Return;
+ 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_u:
- case XK_U:
- text[0] = 0;
- match(text);
- drawmenu();
+ case XK_y: /* paste selection */
+ case XK_Y:
+ XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY,
+ utf8, utf8, win, CurrentTime);
return;
- case XK_w:
- case XK_W:
- if(len) {
- i = len - 1;
- while(i >= 0 && text[i] == ' ')
- text[i--] = 0;
- while(i >= 0 && text[i] != ' ')
- text[i--] = 0;
- match(text);
- drawmenu();
- }
+ case XK_Return:
+ case XK_KP_Enter:
+ break;
+ case XK_bracketleft:
+ cleanup();
+ exit(1);
+ default:
return;
}
- }
- if(CLEANMASK(e->state) & Mod1Mask) {
+ else if (ev->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;
+ case XK_g: ksym = XK_Home; break;
+ case XK_G: ksym = XK_End; break;
+ case XK_h: ksym = XK_Up; break;
+ case XK_j: ksym = XK_Next; break;
+ case XK_k: ksym = XK_Prior; break;
+ case XK_l: ksym = XK_Down; break;
+ default:
+ return;
}
- }
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);
- }
+ if (!iscntrl(*buf))
+ insert(buf, len);
break;
+ case XK_Delete:
+ if (text[cursor] == '\0')
+ return;
+ cursor = nextrune(+1);
+ /* fallthrough */
case XK_BackSpace:
- if(len) {
- text[--len] = 0;
- match(text);
- }
+ if (cursor == 0)
+ return;
+ insert(NULL, nextrune(-1) - cursor);
break;
case XK_End:
- if(!item)
- return;
- while(next) {
- sel = curr = next;
+ if (text[cursor] != '\0') {
+ cursor = strlen(text);
+ break;
+ }
+ if (next) {
+ /* jump to end of list and position items in reverse */
+ 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:
- ret = 1;
- running = False;
- break;
+ cleanup();
+ exit(1);
case XK_Home:
- if(!item)
- return;
- sel = curr = item;
+ if (sel == matches) {
+ cursor = 0;
+ break;
+ }
+ sel = curr = matches;
calcoffsets();
break;
case XK_Left:
- if(!(sel && sel->left))
+ if (cursor > 0 && (!sel || !sel->left || lines > 0)) {
+ cursor = nextrune(-1);
+ break;
+ }
+ if (lines > 0)
return;
- sel=sel->left;
- if(sel->right == curr) {
+ /* fallthrough */
+ case XK_Up:
+ if (sel && sel->left && (sel = sel->left)->right == curr) {
curr = prev;
calcoffsets();
}
break;
case XK_Next:
- if(!next)
+ if (!next)
return;
sel = curr = next;
calcoffsets();
break;
case XK_Prior:
- if(!prev)
+ 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;
+ case XK_KP_Enter:
+ puts((sel && !(ev->state & ShiftMask)) ? sel->text : text);
+ if (!(ev->state & ControlMask)) {
+ cleanup();
+ exit(0);
+ }
+ if (sel)
+ sel->out = 1;
break;
case XK_Right:
- if(!(sel && sel->right))
+ if (text[cursor] != '\0') {
+ cursor = nextrune(+1);
+ break;
+ }
+ if (lines > 0)
return;
- sel=sel->right;
- if(sel == next) {
+ /* fallthrough */
+ case XK_Down:
+ if (sel && sel->right && (sel = sel->right) == next) {
curr = next;
calcoffsets();
}
break;
case XK_Tab:
- if(!sel)
+ if (!sel)
return;
- strncpy(text, sel->text, sizeof text);
- match(text);
+ strncpy(text, sel->text, sizeof text - 1);
+ text[sizeof text - 1] = '\0';
+ cursor = strlen(text);
+ match();
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;
+static void
+paste(void)
+{
+ char *p, *q;
+ int di;
+ unsigned long dl;
+ Atom da;
+
+ /* we have been given the current selection, now insert it into input */
+ XGetWindowProperty(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 : (ssize_t)strlen(p));
+ XFree(p);
+ drawmenu();
}
static void
-usage(void) {
- eprint("usage: dmenu [-b] [-fn <font>] [-nb <color>] [-nf <color>]\n"
- " [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n");
+readstdin(void)
+{
+ char buf[sizeof text], *p, *maxstr = NULL;
+ size_t i, max = 0, size = 0;
+
+ /* read each line from stdin and add it to the item list */
+ for (i = 0; fgets(buf, sizeof buf, stdin); i++) {
+ if (i + 1 >= size / sizeof *items)
+ if (!(items = realloc(items, (size += BUFSIZ))))
+ die("cannot realloc %u bytes:", size);
+ if ((p = strchr(buf, '\n')))
+ *p = '\0';
+ if (!(items[i].text = strdup(buf)))
+ die("cannot strdup %u bytes:", strlen(buf) + 1);
+ items[i].out = 0;
+ if (strlen(items[i].text) > max)
+ max = strlen(maxstr = items[i].text);
+ }
+ if (items)
+ items[i].text = NULL;
+ inputw = maxstr ? TEXTW(maxstr) : 0;
+ lines = MIN(lines, i);
}
-int
-main(int argc, char *argv[]) {
- Bool bottom = False;
- char *font = FONT;
- char *maxname;
- char *normbg = NORMBGCOLOR;
- char *normfg = NORMFGCOLOR;
- char *selbg = SELBGCOLOR;
- char *selfg = SELFGCOLOR;
- int i, j;
- Item *itm;
+static void
+run(void)
+{
XEvent ev;
- XModifierKeymap *modmap;
- XSetWindowAttributes wa;
- /* command line args */
- for(i = 1; i < argc; i++)
- if(!strcmp(argv[i], "-b")) {
- bottom = True;
- }
- else if(!strcmp(argv[i], "-fn")) {
- if(++i < argc) font = argv[i];
- }
- else if(!strcmp(argv[i], "-nb")) {
- if(++i < argc) normbg = argv[i];
- }
- else if(!strcmp(argv[i], "-nf")) {
- if(++i < argc) normfg = argv[i];
- }
- else if(!strcmp(argv[i], "-p")) {
- if(++i < argc) prompt = argv[i];
- }
- else if(!strcmp(argv[i], "-sb")) {
- if(++i < argc) selbg = argv[i];
- }
- else if(!strcmp(argv[i], "-sf")) {
- if(++i < argc) selfg = argv[i];
+ while (!XNextEvent(dpy, &ev)) {
+ if (XFilterEvent(&ev, win))
+ continue;
+ switch(ev.type) {
+ case Expose:
+ if (ev.xexpose.count == 0)
+ drw_map(drw, win, 0, 0, mw, mh);
+ break;
+ case KeyPress:
+ keypress(&ev.xkey);
+ break;
+ case SelectionNotify:
+ if (ev.xselection.property == utf8)
+ paste();
+ break;
+ case VisibilityNotify:
+ if (ev.xvisibility.state != VisibilityUnobscured)
+ XRaiseWindow(dpy, win);
+ break;
}
- else if(!strcmp(argv[i], "-v"))
- eprint("dmenu-"VERSION", © 2006-2007 Anselm R. Garbe, Sander van Dijk\n");
- else
- usage();
- setlocale(LC_CTYPE, "");
- dpy = XOpenDisplay(0);
- if(!dpy)
- eprint("dmenu: cannot open display\n");
- screen = DefaultScreen(dpy);
- root = RootWindow(dpy, screen);
- if(isatty(STDIN_FILENO)) {
- maxname = readstdin();
- running = grabkeyboard();
- }
- else { /* prevent keypress loss */
- running = grabkeyboard();
- 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);
+}
+
+static void
+setup(void)
+{
+ int x, y;
+ XSetWindowAttributes swa;
+ XIM xim;
+#ifdef XINERAMA
+ XineramaScreenInfo *info;
+ Window w, pw, dw, *dws;
+ XWindowAttributes wa;
+ int a, j, di, n, i = 0, area = 0;
+ unsigned int du;
+#endif
+
+ /* init appearance */
+ scheme[SchemeNorm].bg = drw_clr_create(drw, normbgcolor);
+ scheme[SchemeNorm].fg = drw_clr_create(drw, normfgcolor);
+ scheme[SchemeSel].bg = drw_clr_create(drw, selbgcolor);
+ scheme[SchemeSel].fg = drw_clr_create(drw, selfgcolor);
+ scheme[SchemeOut].bg = drw_clr_create(drw, outbgcolor);
+ scheme[SchemeOut].fg = drw_clr_create(drw, outfgcolor);
+
+ clip = XInternAtom(dpy, "CLIPBOARD", False);
+ utf8 = XInternAtom(dpy, "UTF8_STRING", False);
+
+ /* calculate menu geometry */
+ bh = drw->fonts[0]->h + 2;
+ lines = MAX(lines, 0);
+ mh = (lines + 1) * bh;
+#ifdef XINERAMA
+ if ((info = XineramaQueryScreens(dpy, &n))) {
+ XGetInputFocus(dpy, &w, &di);
+ if (mon != -1 && mon < n)
+ i = mon;
+ else if (w != root && w != PointerRoot && w != None) {
+ /* find top-level window containing current input focus */
+ do {
+ if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws)
+ XFree(dws);
+ } while (w != root && w != pw);
+ /* find xinerama screen with which the window intersects most */
+ if (XGetWindowAttributes(dpy, pw, &wa))
+ for (j = 0; j < n; j++)
+ if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) {
+ area = a;
+ i = j;
+ }
}
+ /* no focused window is on screen, so use pointer location instead */
+ if (mon == -1 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du))
+ for (i = 0; i < n; i++)
+ if (INTERSECT(x, y, 1, 1, info[i]))
+ 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 : sh - mh;
+ mw = sw;
}
- XFreeModifiermap(modmap);
- /* style */
- dc.norm[ColBG] = getcolor(normbg);
- dc.norm[ColFG] = getcolor(normfg);
- dc.sel[ColBG] = getcolor(selbg);
- dc.sel[ColFG] = getcolor(selfg);
- initfont(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,
- bottom ? DisplayHeight(dpy, screen) - mh : 0, 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(!dc.font.set)
- XSetFont(dpy, dc.gc, dc.font.xfont->fid);
- 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);
+ promptw = (prompt && *prompt) ? TEXTW(prompt) : 0;
+ inputw = MIN(inputw, mw/3);
+ match();
+
+ /* create menu window */
+ swa.override_redirect = True;
+ swa.background_pixel = scheme[SchemeNorm].bg->pix;
+ swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
+ win = XCreateWindow(dpy, root, x, y, mw, mh, 0,
+ DefaultDepth(dpy, screen), CopyFromParent,
+ DefaultVisual(dpy, screen),
+ CWOverrideRedirect | CWBackPixel | CWEventMask, &swa);
+
+ /* open input methods */
+ xim = XOpenIM(dpy, NULL, NULL, NULL);
+ xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
+ XNClientWindow, win, XNFocusWindow, win, NULL);
+
XMapRaised(dpy, win);
+ drw_resize(drw, mw, mh);
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;
- }
+static void
+usage(void)
+{
+ fputs("usage: dmenu [-b] [-f] [-i] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
+ " [-nb color] [-nf color] [-sb color] [-sf color] [-v]\n", stderr);
+ exit(1);
+}
+
+int
+main(int argc, char *argv[])
+{
+ int i, fast = 0;
+
+ for (i = 1; i < argc; i++)
+ /* these options take no arguments */
+ if (!strcmp(argv[i], "-v")) { /* prints version information */
+ puts("dmenu-"VERSION);
+ exit(0);
+ } else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */
+ topbar = 0;
+ else if (!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */
+ fast = 1;
+ else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
+ fstrncmp = strncasecmp;
+ fstrstr = cistrstr;
+ } else if (i + 1 == argc)
+ usage();
+ /* these options take one argument */
+ else if (!strcmp(argv[i], "-l")) /* number of lines in vertical list */
+ lines = atoi(argv[++i]);
+ else if (!strcmp(argv[i], "-m"))
+ mon = atoi(argv[++i]);
+ else if (!strcmp(argv[i], "-p")) /* adds prompt to left of input field */
+ prompt = argv[++i];
+ else if (!strcmp(argv[i], "-fn")) /* font or font set */
+ fonts[0] = argv[++i];
+ else if (!strcmp(argv[i], "-nb")) /* normal background color */
+ normbgcolor = argv[++i];
+ else if (!strcmp(argv[i], "-nf")) /* normal foreground color */
+ normfgcolor = argv[++i];
+ else if (!strcmp(argv[i], "-sb")) /* selected background color */
+ selbgcolor = argv[++i];
+ else if (!strcmp(argv[i], "-sf")) /* selected foreground color */
+ selfgcolor = argv[++i];
+ else
+ usage();
- /* cleanup */
- while(allitems) {
- itm = allitems->next;
- free(allitems->text);
- free(allitems);
- allitems = itm;
+ if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
+ fputs("warning: no locale support\n", stderr);
+ if (!(dpy = XOpenDisplay(NULL)))
+ die("cannot open display\n");
+ screen = DefaultScreen(dpy);
+ root = RootWindow(dpy, screen);
+ sw = DisplayWidth(dpy, screen);
+ sh = DisplayHeight(dpy, screen);
+ drw = drw_create(dpy, screen, root, sw, sh);
+ drw_load_fonts(drw, fonts, LENGTH(fonts));
+ if (!drw->fontcount)
+ die("no fonts could be loaded.\n");
+ drw_setscheme(drw, &scheme[SchemeNorm]);
+
+ if (fast) {
+ grabkeyboard();
+ readstdin();
+ } else {
+ readstdin();
+ grabkeyboard();
}
- 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);
- XUngrabKeyboard(dpy, CurrentTime);
- XCloseDisplay(dpy);
- return ret;
+ setup();
+ run();
+
+ return 1; /* unreachable */
}