X-Git-Url: https://git.xinqibao.xyz/dmenu.git/blobdiff_plain/b27ffbd78bc2f88b4e55a39d1d53258305e2a6e7..b43ec0577f2ad8ad33a0b893fe5360d966036786:/dmenu.c
diff --git a/dmenu.c b/dmenu.c
index 4a6ca3d..085dc29 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -1,796 +1,798 @@
/* See LICENSE file for copyright and license details. */
#include <ctype.h>
#include <locale.h>
-#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
+#include <time.h>
#include <unistd.h>
-#include <X11/keysym.h>
+
#include <X11/Xlib.h>
+#include <X11/Xatom.h>
#include <X11/Xutil.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 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))
-#define MAX(a, b) ((a) > (b) ? (a) : (b))
-#define IS_UTF8_1ST_CHAR(c) ((((c) & 0xc0) == 0xc0) || !((c) & 0x80))
+#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 TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad)
/* 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 {
+enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */
+
+struct item {
char *text;
- Item *next; /* traverses all items */
- Item *left, *right; /* traverses items matching current search pattern */
+ struct item *left, *right;
+ int out;
};
-/* forward declarations */
-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 drawcursor(void);
-static void drawmenu(void);
-static void drawmenuh(void);
-static void drawmenuv(void);
-static void drawtext(const char *text, unsigned long col[ColLast]);
-static void eprint(const char *errstr, ...);
-static unsigned long getcolor(const char *colstr);
-static Bool grabkeyboard(void);
-static void initfont(const char *fontstr);
-static void kpress(XKeyEvent * e);
-static void match(char *pattern);
-static void readstdin(void);
-static void run(void);
-static void setup(Bool topbar);
-static int textnw(const char *text, unsigned int len);
-static int textw(const char *text);
+static char text[BUFSIZ] = "";
+static char *embed;
+static int bh, mw, mh;
+static int inputw = 0, promptw;
+static int lrpad; /* sum of left and right padding */
+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 Window root, parentwin, win;
+static XIC xic;
+
+static Drw *drw;
+static Clr *scheme[SchemeLast];
#include "config.h"
-/* variables */
-static char *maxname = NULL;
-static char *prompt = NULL;
-static char text[4096];
-static int cmdw = 0;
-static int promptw = 0;
-static int ret = 0;
-static int cursor = 0;
-static int screen;
-static unsigned int mw, mh;
-static unsigned int numlockmask = 0;
-static Bool running = True;
-static Display *dpy;
-static DC dc;
-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 parent, win;
static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
static char *(*fstrstr)(const char *, const char *) = strstr;
-static unsigned int lines = 0;
-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;
+static unsigned int
+textw_clamp(const char *str, unsigned int n)
+{
+ unsigned int w = drw_fontset_getwidth_clamp(drw, str, n) + lrpad;
+ return MIN(w, n);
}
-void
-calcoffsetsh(void) {
- unsigned int w;
+static void
+appenditem(struct item *item, struct item **list, struct item **last)
+{
+ if (*last)
+ (*last)->right = item;
+ else
+ *list = item;
- if(!curr)
- return;
- w = promptw + cmdw + 2 * spaceitem;
- for(next = curr; next && w < mw; next=next->right)
- w += MIN(textw(next->text), mw / 3);
- w = promptw + cmdw + 2 * spaceitem;
- for(prev = curr; prev && prev->left && w < mw; prev=prev->left)
- w += MIN(textw(prev->left->text), mw / 3);
+ item->left = *last;
+ item->right = NULL;
+ *last = item;
}
-void
-calcoffsetsv(void) {
- unsigned int h;
+static void
+calcoffsets(void)
+{
+ int i, n;
- if(!curr)
- return;
- h = (dc.font.height + 2) * lines;
- for(next = curr; next && h > 0; next = next->right)
- h -= dc.font.height + 2;
- h = (dc.font.height + 2) * lines;
- for(prev = curr; prev && prev->left && h > 0; prev = prev->left)
- h -= dc.font.height + 2;
+ 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 : textw_clamp(next->text, n)) > n)
+ break;
+ for (i = 0, prev = curr; prev && prev->left; prev = prev->left)
+ if ((i += (lines > 0) ? bh : textw_clamp(prev->left->text, n)) > n)
+ break;
}
-char *
-cistrstr(const char *s, const char *sub) {
- int c, csub;
- unsigned int len;
+static void
+cleanup(void)
+{
+ size_t i;
+
+ XUngrabKey(dpy, AnyKey, AnyModifier, root);
+ for (i = 0; i < SchemeLast; i++)
+ free(scheme[i]);
+ for (i = 0; items && items[i].text; ++i)
+ free(items[i].text);
+ free(items);
+ drw_free(drw);
+ XSync(dpy, False);
+ XCloseDisplay(dpy);
+}
- 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--;
+static char *
+cistrstr(const char *h, const char *n)
+{
+ size_t i;
+
+ if (!n[0])
+ return (char *)h;
+
+ for (; *h; ++h) {
+ for (i = 0; n[i] && tolower((unsigned char)n[i]) ==
+ tolower((unsigned char)h[i]); ++i)
+ ;
+ if (n[i] == '\0')
+ return (char *)h;
}
- return (char *)s;
+ return NULL;
}
-void
-cleanup(void) {
- if(dc.font.set)
- XFreeFontSet(dpy, dc.font.set);
+static int
+drawitem(struct item *item, int x, int y, int w)
+{
+ if (item == sel)
+ drw_setscheme(drw, scheme[SchemeSel]);
+ else if (item->out)
+ drw_setscheme(drw, scheme[SchemeOut]);
else
- XFreeFont(dpy, dc.font.xfont);
- XFreePixmap(dpy, dc.drawable);
- XFreeGC(dpy, dc.gc);
- XDestroyWindow(dpy, win);
- XUngrabKeyboard(dpy, CurrentTime);
-}
+ drw_setscheme(drw, scheme[SchemeNorm]);
-void
-drawcursor(void) {
- XRectangle r = { dc.x, dc.y + 2, 1, dc.font.height - 2 };
+ return drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0);
+}
- r.x += textnw(text, cursor) + dc.font.height / 2;
+static void
+drawmenu(void)
+{
+ unsigned int curpos;
+ struct item *item;
+ int x = 0, y = 0, w;
- XSetForeground(dpy, dc.gc, dc.norm[ColFG]);
- XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
-}
+ drw_setscheme(drw, scheme[SchemeNorm]);
+ drw_rect(drw, 0, 0, mw, mh, 1, 1);
-void
-drawmenu(void) {
- dc.x = 0;
- dc.y = 0;
- dc.w = mw;
- dc.h = mh;
- drawtext(NULL, dc.norm);
- /* print prompt? */
- if(prompt) {
- dc.w = promptw;
- drawtext(prompt, dc.sel);
- dc.x += dc.w;
+ if (prompt && *prompt) {
+ drw_setscheme(drw, scheme[SchemeSel]);
+ x = drw_text(drw, x, 0, promptw, bh, lrpad / 2, prompt, 0);
}
- dc.w = mw - dc.x;
- /* print command */
- if(cmdw && item && lines == 0)
- dc.w = cmdw;
- drawtext(*text ? text : NULL, dc.norm);
- drawcursor();
- if(curr) {
- if(lines > 0)
- drawmenuv();
- else
- drawmenuh();
+ /* draw input field */
+ w = (lines > 0 || !matches) ? mw - x : inputw;
+ drw_setscheme(drw, scheme[SchemeNorm]);
+ drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0);
+
+ curpos = TEXTW(text) - TEXTW(&text[cursor]);
+ if ((curpos += lrpad / 2 - 1) < w) {
+ drw_setscheme(drw, scheme[SchemeNorm]);
+ drw_rect(drw, x + curpos, 2, 2, bh - 4, 1, 0);
}
- XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
- XFlush(dpy);
-}
-void
-drawmenuh(void) {
- Item *i;
-
- dc.x += cmdw;
- dc.w = spaceitem;
- drawtext(curr->left ? "<" : NULL, dc.norm);
- dc.x += dc.w;
- for(i = curr; i != next; i=i->right) {
- dc.w = MIN(textw(i->text), mw / 3);
- drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
- dc.x += dc.w;
+ if (lines > 0) {
+ /* draw vertical list */
+ for (item = curr; item != next; item = item->right)
+ drawitem(item, x, y += bh, mw - x);
+ } 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, lrpad / 2, "<", 0);
+ }
+ x += w;
+ for (item = curr; item != next; item = item->right)
+ x = drawitem(item, x, 0, textw_clamp(item->text, mw - x - TEXTW(">")));
+ if (next) {
+ w = TEXTW(">");
+ drw_setscheme(drw, scheme[SchemeNorm]);
+ drw_text(drw, mw - w, 0, w, bh, lrpad / 2, ">", 0);
+ }
}
- dc.w = spaceitem;
- dc.x = mw - dc.w;
- drawtext(next ? ">" : NULL, dc.norm);
+ drw_map(drw, win, 0, 0, mw, mh);
}
-void
-drawmenuv(void) {
- Item *i;
+static void
+grabfocus(void)
+{
+ struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 };
+ Window focuswin;
+ int i, revertwin;
- dc.w = mw - dc.x;
- dc.h = dc.font.height + 2;
- dc.y = dc.h;
- for(i = curr; i != next; i=i->right) {
- drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
- dc.y += dc.h;
+ for (i = 0; i < 100; ++i) {
+ XGetInputFocus(dpy, &focuswin, &revertwin);
+ if (focuswin == win)
+ return;
+ XSetInputFocus(dpy, win, RevertToParent, CurrentTime);
+ nanosleep(&ts, NULL);
}
- dc.h = mh - dc.y;
- drawtext(NULL, dc.norm);
+ die("cannot grab focus");
}
-void
-drawtext(const char *text, unsigned long col[ColLast]) {
- char buf[256];
- int i, x, y, h, len, olen;
- XRectangle r = { dc.x, dc.y, dc.w, dc.h };
+static void
+grabkeyboard(void)
+{
+ struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 };
+ int i;
- XSetForeground(dpy, dc.gc, col[ColBG]);
- XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
- if(!text)
+ if (embed)
return;
- olen = strlen(text);
- h = dc.font.height;
- y = dc.y + ((h+2) / 2) - (h / 2) + dc.font.ascent;
- x = dc.x + (h / 2);
- /* shorten text if necessary */
- for(len = MIN(olen, sizeof buf); len && textnw(text, len) > dc.w - h; len--);
- if(!len)
- return;
- memcpy(buf, text, len);
- if(len < olen)
- for(i = len; i && i > len - 3; buf[--i] = '.');
- 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);
+ /* 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);
+ }
+ die("cannot grab keyboard");
}
-void
-eprint(const char *errstr, ...) {
- va_list ap;
-
- va_start(ap, errstr);
- vfprintf(stderr, errstr, ap);
- va_end(ap);
- exit(EXIT_FAILURE);
+static void
+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 %zu bytes:", tokn * sizeof *tokv);
+ len = tokc ? strlen(tokv[0]) : 0;
+
+ matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL;
+ textsize = strlen(text) + 1;
+ 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);
+ }
+ 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;
+ }
+ curr = sel = matches;
+ calcoffsets();
}
-unsigned long
-getcolor(const char *colstr) {
- Colormap cmap = DefaultColormap(dpy, screen);
- XColor color;
-
- if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
- eprint("dmenu: cannot allocate color '%s'\n", colstr);
- return color.pixel;
+static void
+insert(const char *str, ssize_t n)
+{
+ if (strlen(text) + n > sizeof text - 1)
+ return;
+ /* 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();
}
-Bool
-grabkeyboard(void) {
- unsigned int len;
+static size_t
+nextrune(int inc)
+{
+ ssize_t n;
- for(len = 1000; len; len--) {
- if(XGrabKeyboard(dpy, parent, True, GrabModeAsync, GrabModeAsync, CurrentTime)
- == GrabSuccess)
- break;
- usleep(1000);
- }
- return len > 0;
+ /* 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;
}
-void
-initfont(const char *fontstr) {
- char *def, **missing = NULL;
- int i, n;
-
- if(!fontstr || fontstr[0] == '\0')
- eprint("dmenu: cannot load font: '%s'\n", fontstr);
- dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
- if(missing)
- XFreeStringList(missing);
- if(dc.font.set) {
- XFontStruct **xfonts;
- char **font_names;
- dc.font.ascent = dc.font.descent = 0;
- n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
- for(i = 0; i < n; i++) {
- dc.font.ascent = MAX(dc.font.ascent, (*xfonts)->ascent);
- dc.font.descent = MAX(dc.font.descent, (*xfonts)->descent);
- xfonts++;
- }
+static void
+movewordedge(int dir)
+{
+ if (dir < 0) { /* move cursor to the start of the word*/
+ while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)]))
+ cursor = nextrune(-1);
+ while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)]))
+ cursor = nextrune(-1);
+ } else { /* move cursor to the end of the word */
+ while (text[cursor] && strchr(worddelimiters, text[cursor]))
+ cursor = nextrune(+1);
+ while (text[cursor] && !strchr(worddelimiters, text[cursor]))
+ cursor = nextrune(+1);
}
- else {
- if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))
- && !(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
- eprint("dmenu: cannot load font: '%s'\n", fontstr);
- dc.font.ascent = dc.font.xfont->ascent;
- dc.font.descent = dc.font.xfont->descent;
- }
- dc.font.height = dc.font.ascent + dc.font.descent;
}
-void
-kpress(XKeyEvent * e) {
- char buf[sizeof text];
- int i, num;
- unsigned int len;
+static void
+keypress(XKeyEvent *ev)
+{
+ char buf[32];
+ int len;
KeySym ksym;
+ Status status;
- 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))
+ len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status);
+ switch (status) {
+ default: /* XLookupNone, XBufferOverflow */
return;
- /* first check if a control mask is omitted */
- if(e->state & ControlMask) {
- switch (ksym) {
- default: /* ignore other control sequences */
- return;
- case XK_a:
- case XK_A:
- ksym = XK_Home;
- break;
- case XK_c:
- case XK_C:
- ksym = XK_Escape;
- break;
- case XK_e:
- case XK_E:
- ksym = XK_End;
- break;
- case XK_h:
- case XK_H:
- ksym = XK_BackSpace;
- break;
- case XK_i:
- case XK_I:
- ksym = XK_Tab;
+ case XLookupChars:
+ goto insert;
+ case XLookupKeySym:
+ case XLookupBoth:
+ break;
+ }
+
+ 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_j:
- case XK_J:
- ksym = XK_Return;
+ case XK_u: /* delete left */
+ insert(NULL, 0 - cursor);
break;
- case XK_u:
- case XK_U:
- memmove(text, text + cursor, sizeof text - cursor + 1);
- cursor = 0;
- match(text);
+ case XK_w: /* delete word */
+ while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)]))
+ insert(NULL, nextrune(-1) - cursor);
+ while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)]))
+ insert(NULL, nextrune(-1) - cursor);
break;
- case XK_w:
- case XK_W:
- if(cursor > 0) {
- i = cursor;
- while(i-- > 0 && text[i] == ' ');
- while(i-- > 0 && text[i] != ' ');
- memmove(text + i + 1, text + cursor, sizeof text - cursor + 1);
- cursor = i + 1;
- match(text);
- }
+ case XK_y: /* paste selection */
+ case XK_Y:
+ XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY,
+ utf8, utf8, win, CurrentTime);
+ return;
+ case XK_Left:
+ case XK_KP_Left:
+ movewordedge(-1);
+ goto draw;
+ case XK_Right:
+ case XK_KP_Right:
+ movewordedge(+1);
+ goto draw;
+ 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) {
+ case XK_b:
+ movewordedge(-1);
+ goto draw;
+ case XK_f:
+ movewordedge(+1);
+ goto draw;
+ 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;
- 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_p:
- {
- FILE *fp;
- char *s;
- if(!(fp = popen("sselp", "r")))
- eprint("dmenu: cannot popen sselp\n");
- s = fgets(buf, sizeof buf, fp);
- pclose(fp);
- if(s == NULL)
- return;
- }
- num = strlen(buf);
- if(num && buf[num-1] == '\n')
- buf[--num] = '\0';
- break;
}
}
+
switch(ksym) {
default:
- num = MIN(num, sizeof text - cursor);
- if(num && !iscntrl((int) buf[0])) {
- memmove(text + cursor + num, text + cursor, sizeof text - cursor - num);
- memcpy(text + cursor, buf, num);
- cursor += num;
- match(text);
- }
- break;
- case XK_BackSpace:
- if(cursor > 0) {
- for(i = 1; cursor - i > 0 && !IS_UTF8_1ST_CHAR(text[cursor - i]); i++);
- memmove(text + cursor - i, text + cursor, sizeof text - cursor + i);
- cursor -= i;
- match(text);
- }
+insert:
+ if (!iscntrl(*buf))
+ insert(buf, len);
break;
case XK_Delete:
- for(i = 1; cursor + i < len && !IS_UTF8_1ST_CHAR(text[cursor + i]); i++);
- memmove(text + cursor, text + cursor + i, sizeof text - cursor);
- match(text);
+ case XK_KP_Delete:
+ if (text[cursor] == '\0')
+ return;
+ cursor = nextrune(+1);
+ /* fallthrough */
+ case XK_BackSpace:
+ if (cursor == 0)
+ return;
+ insert(NULL, nextrune(-1) - cursor);
break;
case XK_End:
- if(cursor < len) {
- cursor = len;
+ case XK_KP_End:
+ if (text[cursor] != '\0') {
+ cursor = strlen(text);
break;
}
- while(next) {
- sel = curr = next;
+ 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(sel == item) {
+ case XK_KP_Home:
+ if (sel == matches) {
cursor = 0;
break;
}
- sel = curr = item;
+ sel = curr = matches;
calcoffsets();
break;
case XK_Left:
- case XK_Up:
- if(sel && sel->left){
- sel = sel->left;
- if(sel->right == curr) {
- curr = prev;
- calcoffsets();
- }
+ case XK_KP_Left:
+ if (cursor > 0 && (!sel || !sel->left || lines > 0)) {
+ cursor = nextrune(-1);
+ break;
}
- else if(cursor > 0)
- while(cursor-- > 0 && !IS_UTF8_1ST_CHAR(text[cursor]));
- else
+ if (lines > 0)
return;
+ /* fallthrough */
+ case XK_Up:
+ case XK_KP_Up:
+ if (sel && sel->left && (sel = sel->left)->right == curr) {
+ curr = prev;
+ calcoffsets();
+ }
break;
case XK_Next:
- if(!next)
+ case XK_KP_Next:
+ if (!next)
return;
sel = curr = next;
calcoffsets();
break;
case XK_Prior:
- if(!prev)
+ case XK_KP_Prior:
+ if (!prev)
return;
sel = curr = prev;
calcoffsets();
break;
case XK_Return:
- if((e->state & ShiftMask) || !sel)
- fprintf(stdout, "%s", text);
- else
- fprintf(stdout, "%s", sel->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:
- case XK_Down:
- if(cursor < len)
- while(cursor++ < len && !IS_UTF8_1ST_CHAR(text[cursor]));
- else if(sel && sel->right) {
- sel = sel->right;
- if(sel == next) {
- curr = next;
- calcoffsets();
- }
+ case XK_KP_Right:
+ if (text[cursor] != '\0') {
+ cursor = nextrune(+1);
+ break;
}
- else
+ if (lines > 0)
return;
+ /* fallthrough */
+ case XK_Down:
+ case XK_KP_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);
+ strncpy(text, sel->text, sizeof text - 1);
+ text[sizeof text - 1] = '\0';
cursor = strlen(text);
- match(text);
+ match();
break;
}
+
+draw:
drawmenu();
}
-void
-match(char *pattern) {
- unsigned int plen;
- Item *i, *itemend, *lexact, *lprefix, *lsubstr, *exactend, *prefixend, *substrend;
-
- if(!pattern)
- return;
- plen = strlen(pattern);
- item = lexact = lprefix = lsubstr = itemend = exactend = prefixend = substrend = NULL;
- for(i = allitems; i; i = i->next)
- if(!fstrncmp(pattern, i->text, plen + 1))
- appenditem(i, &lexact, &exactend);
- else if(!fstrncmp(pattern, i->text, plen))
- appenditem(i, &lprefix, &prefixend);
- else if(fstrstr(i->text, pattern))
- 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;
+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 */
+ if (XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False,
+ utf8, &da, &di, &dl, &dl, (unsigned char **)&p)
+ == Success && p) {
+ insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p));
+ XFree(p);
}
- curr = prev = next = sel = item;
- calcoffsets();
+ drawmenu();
}
-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("dmenu: cannot strdup %u bytes\n", len);
- if((max = MAX(max, len)) == len)
- maxname = p;
- if(!(new = malloc(sizeof *new)))
- eprint("dmenu: 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;
+static void
+readstdin(void)
+{
+ char buf[sizeof text], *p;
+ size_t i, 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 %zu bytes:", size);
+ if ((p = strchr(buf, '\n')))
+ *p = '\0';
+ if (!(items[i].text = strdup(buf)))
+ die("cannot strdup %zu bytes:", strlen(buf) + 1);
+ items[i].out = 0;
}
+ if (items)
+ items[i].text = NULL;
+ lines = MIN(lines, i);
}
-void
-run(void) {
+static void
+run(void)
+{
XEvent ev;
- /* main event loop */
- while(running && !XNextEvent(dpy, &ev))
- switch (ev.type) {
+ while (!XNextEvent(dpy, &ev)) {
+ if (XFilterEvent(&ev, win))
+ continue;
+ switch(ev.type) {
+ case DestroyNotify:
+ if (ev.xdestroywindow.window != win)
+ break;
+ cleanup();
+ exit(1);
+ case Expose:
+ if (ev.xexpose.count == 0)
+ drw_map(drw, win, 0, 0, mw, mh);
+ break;
+ case FocusIn:
+ /* regrab focus from parent window */
+ if (ev.xfocus.window != win)
+ grabfocus();
+ break;
case KeyPress:
- kpress(&ev.xkey);
+ keypress(&ev.xkey);
break;
- case Expose:
- if(ev.xexpose.count == 0)
- drawmenu();
+ case SelectionNotify:
+ if (ev.xselection.property == utf8)
+ paste();
break;
case VisibilityNotify:
if (ev.xvisibility.state != VisibilityUnobscured)
XRaiseWindow(dpy, win);
break;
}
+ }
}
-void
-setup(Bool topbar) {
- int i, j, x, y;
-#if XINERAMA
- int n;
- XineramaScreenInfo *info = NULL;
+static void
+setup(void)
+{
+ int x, y, i, j;
+ unsigned int du, tmp;
+ XSetWindowAttributes swa;
+ XIM xim;
+ Window w, dw, *dws;
+ XWindowAttributes wa;
+ XClassHint ch = {"dmenu", "dmenu"};
+ struct item *item;
+#ifdef XINERAMA
+ XineramaScreenInfo *info;
+ Window pw;
+ int a, di, n, area = 0;
#endif
- XModifierKeymap *modmap;
- XSetWindowAttributes wa;
- XWindowAttributes pwa;
-
- /* 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(normbgcolor);
- dc.norm[ColFG] = getcolor(normfgcolor);
- dc.sel[ColBG] = getcolor(selbgcolor);
- dc.sel[ColFG] = getcolor(selfgcolor);
- initfont(font);
-
- /* menu window */
- wa.override_redirect = True;
- wa.background_pixmap = ParentRelative;
- wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask | VisibilityChangeMask;
-
- /* menu window geometry */
- mh = (dc.font.height + 2) * (lines + 1);
-#if XINERAMA
- if(parent == RootWindow(dpy, screen) && XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
- i = 0;
- if(n > 1) {
- int di;
- unsigned int dui;
- Window dummy;
- if(XQueryPointer(dpy, parent, &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;
+ /* init appearance */
+ for (j = 0; j < SchemeLast; j++)
+ scheme[j] = drw_scm_create(drw, colors[j], 2);
+
+ clip = XInternAtom(dpy, "CLIPBOARD", False);
+ utf8 = XInternAtom(dpy, "UTF8_STRING", False);
+
+ /* calculate menu geometry */
+ bh = drw->fonts->h + 2;
+ lines = MAX(lines, 0);
+ mh = (lines + 1) * bh;
+#ifdef XINERAMA
+ i = 0;
+ if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) {
+ XGetInputFocus(dpy, &w, &di);
+ if (mon >= 0 && 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 < 0 && !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]) != 0)
+ break;
+
x = info[i].x_org;
- y = topbar ? info[i].y_org : info[i].y_org + info[i].height - mh;
+ y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
mw = info[i].width;
XFree(info);
- }
- else
+ } else
#endif
{
- XGetWindowAttributes(dpy, parent, &pwa);
+ if (!XGetWindowAttributes(dpy, parentwin, &wa))
+ die("could not get embedding window attributes: 0x%lx",
+ parentwin);
x = 0;
- y = topbar ? 0 : pwa.height - mh;
- mw = pwa.width;
+ y = topbar ? 0 : wa.height - mh;
+ mw = wa.width;
+ }
+ promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
+ for (item = items; item && item->text; ++item) {
+ if ((tmp = textw_clamp(item->text, mw/3)) > inputw) {
+ if ((inputw = tmp) == mw/3)
+ break;
+ }
}
+ match();
- win = XCreateWindow(dpy, parent, x, y, mw, mh, 0,
- DefaultDepth(dpy, screen), CopyFromParent,
- DefaultVisual(dpy, screen),
- CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
-
- /* pixmap */
- dc.drawable = XCreatePixmap(dpy, parent, mw, mh, DefaultDepth(dpy, screen));
- dc.gc = XCreateGC(dpy, parent, 0, NULL);
- XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
- if(!dc.font.set)
- XSetFont(dpy, dc.gc, dc.font.xfont->fid);
- if(maxname)
- cmdw = MIN(textw(maxname), mw / 3);
- if(prompt)
- promptw = MIN(textw(prompt), mw / 5);
- text[0] = '\0';
- match(text);
- XMapRaised(dpy, win);
-}
+ /* create menu window */
+ swa.override_redirect = True;
+ swa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
+ swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
+ win = XCreateWindow(dpy, parentwin, x, y, mw, mh, 0,
+ CopyFromParent, CopyFromParent, CopyFromParent,
+ CWOverrideRedirect | CWBackPixel | CWEventMask, &swa);
+ XSetClassHint(dpy, win, &ch);
-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;
+ /* input methods */
+ if ((xim = XOpenIM(dpy, NULL, NULL, NULL)) == NULL)
+ die("XOpenIM failed: could not open input device");
+
+ xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
+ XNClientWindow, win, XNFocusWindow, win, NULL);
+
+ XMapRaised(dpy, win);
+ if (embed) {
+ XSelectInput(dpy, parentwin, FocusChangeMask | SubstructureNotifyMask);
+ if (XQueryTree(dpy, parentwin, &dw, &w, &dws, &du) && dws) {
+ for (i = 0; i < du && dws[i] != win; ++i)
+ XSelectInput(dpy, dws[i], FocusChangeMask);
+ XFree(dws);
+ }
+ grabfocus();
}
- return XTextWidth(dc.font.xfont, text, len);
+ drw_resize(drw, mw, mh);
+ drawmenu();
}
-int
-textw(const char *text) {
- return textnw(text, strlen(text)) + dc.font.height;
+static void
+usage(void)
+{
+ fputs("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
+ " [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]\n", stderr);
+ exit(1);
}
int
-main(int argc, char *argv[]) {
- unsigned int i;
- Bool topbar = True;
-
- /* command line args */
- for(i = 1; i < argc; i++)
- if(!strcmp(argv[i], "-i")) {
+main(int argc, char *argv[])
+{
+ XWindowAttributes wa;
+ 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(!strcmp(argv[i], "-b"))
- topbar = False;
- else if(!strcmp(argv[i], "-e")) {
- if(++i < argc) parent = atoi(argv[i]);
- }
- 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"))
- eprint("dmenu-"VERSION", © 2006-2010 dmenu engineers, see LICENSE for details\n");
+ } 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 */
+ colors[SchemeNorm][ColBg] = argv[++i];
+ else if (!strcmp(argv[i], "-nf")) /* normal foreground color */
+ colors[SchemeNorm][ColFg] = argv[++i];
+ else if (!strcmp(argv[i], "-sb")) /* selected background color */
+ colors[SchemeSel][ColBg] = argv[++i];
+ else if (!strcmp(argv[i], "-sf")) /* selected foreground color */
+ colors[SchemeSel][ColFg] = argv[++i];
+ else if (!strcmp(argv[i], "-w")) /* embedding window id */
+ embed = argv[++i];
else
- eprint("usage: dmenu [-i] [-b] [-e <xid>] [-l <lines>] [-fn <font>] [-nb <color>]\n"
- " [-nf <color>] [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n");
- if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
- fprintf(stderr, "dmenu: warning: no locale support\n");
- if(!(dpy = XOpenDisplay(NULL)))
- eprint("dmenu: cannot open display\n");
- screen = DefaultScreen(dpy);
- if(!parent)
- parent = RootWindow(dpy, screen);
+ usage();
- readstdin();
- running = grabkeyboard();
+ if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
+ fputs("warning: no locale support\n", stderr);
+ if (!(dpy = XOpenDisplay(NULL)))
+ die("cannot open display");
+ screen = DefaultScreen(dpy);
+ root = RootWindow(dpy, screen);
+ if (!embed || !(parentwin = strtol(embed, NULL, 0)))
+ parentwin = root;
+ if (!XGetWindowAttributes(dpy, parentwin, &wa))
+ die("could not get embedding window attributes: 0x%lx",
+ parentwin);
+ drw = drw_create(dpy, screen, root, wa.width, wa.height);
+ if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
+ die("no fonts could be loaded.");
+ lrpad = drw->fonts->h;
+
+#ifdef __OpenBSD__
+ if (pledge("stdio rpath", NULL) == -1)
+ die("pledge");
+#endif
- setup(topbar);
- drawmenu();
- XSync(dpy, False);
+ if (fast && !isatty(0)) {
+ grabkeyboard();
+ readstdin();
+ } else {
+ readstdin();
+ grabkeyboard();
+ }
+ setup();
run();
- cleanup();
- XCloseDisplay(dpy);
- return ret;
+
+ return 1; /* unreachable */
}