X-Git-Url: https://git.danieliu.xyz/?p=dmenu.git;a=blobdiff_plain;f=dmenu.c;h=9a965e1c872a840dfcc13c5e9a4022fcfd950ed7;hp=9e78e83b6e0a7c76453fb1ad3d836f70691b26d4;hb=HEAD;hpb=bc20c13db0fdb73a5ef2c0d4b791e05e3f324aba diff --git a/dmenu.c b/dmenu.c index 9e78e83..9a965e1 100644 --- a/dmenu.c +++ b/dmenu.c @@ -1,12 +1,13 @@ /* See LICENSE file for copyright and license details. */ #include #include -#include #include #include #include #include +#include #include + #include #include #include @@ -14,6 +15,7 @@ #include #endif #include +#include #include "drw.h" #include "util.h" @@ -22,131 +24,50 @@ #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) +#define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad) /* enums */ enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */ -typedef struct Item Item; -struct Item { +struct item { char *text; - Item *left, *right; - bool out; + struct item *left, *right; + int out; }; -static void appenditem(Item *item, Item **list, Item **last); -static void calcoffsets(void); -static char *cistrstr(const char *s, const char *sub); -static void cleanup(void); -static void drawmenu(void); -static void grabkeyboard(void); -static void insert(const char *str, ssize_t n); -static void keypress(XKeyEvent *ev); -static void match(void); -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 *embed; static int bh, mw, mh; -static int inputw, promptw; -static size_t cursor = 0; +static int inputw = 0, promptw; +static int lrpad; /* sum of left and right padding */ +static int reject_no_match = 0; +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 Item *items = NULL; -static Item *matches, *matchend; -static Item *prev, *curr, *next, *sel; -static Window win; +static Display *dpy; +static Window root, parentwin, win; static XIC xic; -static int mon = -1; -static ClrScheme scheme[SchemeLast]; -static Display *dpy; -static int screen; -static Window root; static Drw *drw; -static int sw, sh; /* X display screen geometry width, height */ +static Clr *scheme[SchemeLast]; + +/* Temporary arrays to allow overriding xresources values */ +static char *colortemp[4]; +static char *tempfonts; #include "config.h" 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++) - /* these options take no arguments */ - if(!strcmp(argv[i], "-v")) { /* prints version information */ - puts("dmenu-"VERSION", © 2006-2015 dmenu engineers, see LICENSE for details"); - exit(0); - } - else if(!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */ - topbar = false; - else if(!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */ - fast = true; - 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(); - - if(!setlocale(LC_CTYPE, "") || !XSupportsLocale()) - fputs("warning: no locale support\n", stderr); - if(!(dpy = XOpenDisplay(NULL))) - die("dmenu: 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(); - } - setup(); - run(); - - return 1; /* unreachable */ -} - -void -appenditem(Item *item, Item **list, Item **last) { - if(*last) +static void +appenditem(struct item *item, struct item **list, struct item **last) +{ + if (*last) (*last)->right = item; else *list = item; @@ -156,153 +77,282 @@ appenditem(Item *item, Item **list, Item **last) { *last = item; } -void -calcoffsets(void) { +static void +calcoffsets(void) +{ int i, n; - if(lines > 0) + 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) + 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) + for (i = 0, prev = curr; prev && prev->left; prev = prev->left) + if ((i += (lines > 0) ? bh : MIN(TEXTW(prev->left->text), n)) > n) break; } -void -cleanup(void) { +static int +max_textw(void) +{ + int len = 0; + for (struct item *item = items; item && item->text; item++) + len = MAX(TEXTW(item->text), len); + return len; +} + +static void +cleanup(void) +{ + size_t i; + XUngrabKey(dpy, AnyKey, AnyModifier, root); - drw_clr_free(scheme[SchemeNorm].bg); - drw_clr_free(scheme[SchemeNorm].fg); - drw_clr_free(scheme[SchemeSel].fg); - drw_clr_free(scheme[SchemeSel].bg); - drw_clr_free(scheme[SchemeOut].fg); - drw_clr_free(scheme[SchemeOut].bg); + for (i = 0; i < SchemeLast; i++) + free(scheme[i]); drw_free(drw); XSync(dpy, False); XCloseDisplay(dpy); } -char * -cistrstr(const char *s, const char *sub) { +static char * +cistrstr(const char *s, const char *sub) +{ size_t len; - for(len = strlen(sub); *s; s++) - if(!strncasecmp(s, sub, len)) + for (len = strlen(sub); *s; s++) + if (!strncasecmp(s, sub, len)) return (char *)s; return NULL; } -void -drawmenu(void) { - int curpos; - 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; +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 + drw_setscheme(drw, scheme[SchemeNorm]); + + return drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0); +} + +static void +drawmenu(void) +{ + unsigned int curpos; + struct item *item; + int x = 0, y = 0, w; + + drw_setscheme(drw, scheme[SchemeNorm]); + drw_rect(drw, 0, 0, mw, mh, 1, 1); + + if (prompt && *prompt) { + drw_setscheme(drw, scheme[SchemeSel]); + x = drw_text(drw, x, 0, promptw, bh, lrpad / 2, prompt, 0); } /* draw input field */ w = (lines > 0 || !matches) ? mw - x : inputw; - drw_setscheme(drw, &scheme[SchemeNorm]); - drw_text(drw, x, 0, w, bh, text, 0); + drw_setscheme(drw, scheme[SchemeNorm]); + drw_text(drw, x, 0, w, bh, lrpad / 2, 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); + 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); } - if(lines > 0) { + 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) { + 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, "<", 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); + if (curr->left) { + drw_setscheme(drw, scheme[SchemeNorm]); + drw_text(drw, x, 0, w, bh, lrpad / 2, "<", 0); } - w = TEXTW(">"); - x = mw - w; - if(next) { - drw_setscheme(drw, &scheme[SchemeNorm]); - drw_text(drw, x, 0, w, bh, ">", 0); + x += w; + for (item = curr; item != next; item = item->right) + x = drawitem(item, x, 0, MIN(TEXTW(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); } } drw_map(drw, win, 0, 0, mw, mh); } -void -grabkeyboard(void) { +static void +grabfocus(void) +{ + struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 }; + Window focuswin; + int i, revertwin; + + for (i = 0; i < 100; ++i) { + XGetInputFocus(dpy, &focuswin, &revertwin); + if (focuswin == win) + return; + XSetInputFocus(dpy, win, RevertToParent, CurrentTime); + nanosleep(&ts, NULL); + } + die("cannot grab focus"); +} + +static void +grabkeyboard(void) +{ + struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 }; int i; + if (embed) + return; /* 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) + for (i = 0; i < 1000; i++) { + if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True, GrabModeAsync, + GrabModeAsync, CurrentTime) == GrabSuccess) return; - usleep(1000); + nanosleep(&ts, NULL); } - die("cannot grab keyboard\n"); + die("cannot grab keyboard"); } -void -insert(const char *str, ssize_t n) { - if(strlen(text) + n > sizeof text - 1) +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 %u 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(); +} + +static void +insert(const char *str, ssize_t n) +{ + if (strlen(text) + n > sizeof text - 1) return; + + static char last[BUFSIZ] = ""; + if(reject_no_match) { + /* store last text value in case we need to revert it */ + memcpy(last, text, BUFSIZ); + } + /* 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) + if (n > 0) memcpy(&text[cursor], str, n); cursor += n; match(); + + if(!matches && reject_no_match) { + /* revert to last text value if theres no match */ + memcpy(text, last, BUFSIZ); + cursor -= n; + match(); + } } -void -keypress(XKeyEvent *ev) { +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 +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); + } +} + +static void +keypress(XKeyEvent *ev) +{ char buf[32]; int len; - KeySym ksym = NoSymbol; + KeySym ksym; Status status; len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status); - if(status == XBufferOverflow) + switch (status) { + default: /* XLookupNone, XBufferOverflow */ return; - if(ev->state & ControlMask) + 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; @@ -328,15 +378,22 @@ keypress(XKeyEvent *ev) { insert(NULL, 0 - cursor); break; case XK_w: /* delete word */ - while(cursor > 0 && text[nextrune(-1)] == ' ') + while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)])) insert(NULL, nextrune(-1) - cursor); - while(cursor > 0 && text[nextrune(-1)] != ' ') + while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)])) insert(NULL, nextrune(-1) - cursor); break; case XK_y: /* paste selection */ + case XK_Y: XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY, utf8, utf8, win, CurrentTime); return; + case XK_Left: + movewordedge(-1); + goto draw; + case XK_Right: + movewordedge(+1); + goto draw; case XK_Return: case XK_KP_Enter: break; @@ -346,8 +403,14 @@ keypress(XKeyEvent *ev) { default: return; } - else if(ev->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; @@ -357,33 +420,36 @@ keypress(XKeyEvent *ev) { default: return; } + } + switch(ksym) { default: - if(!iscntrl(*buf)) +insert: + if (!iscntrl(*buf)) insert(buf, len); break; case XK_Delete: - if(text[cursor] == '\0') + if (text[cursor] == '\0') return; cursor = nextrune(+1); /* fallthrough */ case XK_BackSpace: - if(cursor == 0) + if (cursor == 0) return; insert(NULL, nextrune(-1) - cursor); break; case XK_End: - if(text[cursor] != '\0') { + if (text[cursor] != '\0') { cursor = strlen(text); break; } - if(next) { + if (next) { /* jump to end of list and position items in reverse */ curr = matchend; calcoffsets(); curr = prev; calcoffsets(); - while(next && (curr = curr->right)) + while (next && (curr = curr->right)) calcoffsets(); } sel = matchend; @@ -392,7 +458,7 @@ keypress(XKeyEvent *ev) { cleanup(); exit(1); case XK_Home: - if(sel == matches) { + if (sel == matches) { cursor = 0; break; } @@ -400,27 +466,27 @@ keypress(XKeyEvent *ev) { calcoffsets(); break; case XK_Left: - if(cursor > 0 && (!sel || !sel->left || lines > 0)) { + if (cursor > 0 && (!sel || !sel->left || lines > 0)) { cursor = nextrune(-1); break; } - if(lines > 0) + if (lines > 0) return; /* fallthrough */ case XK_Up: - if(sel && sel->left && (sel = sel->left)->right == curr) { + 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(); @@ -428,29 +494,29 @@ keypress(XKeyEvent *ev) { case XK_Return: case XK_KP_Enter: puts((sel && !(ev->state & ShiftMask)) ? sel->text : text); - if(!(ev->state & ControlMask)) { + if (!(ev->state & ControlMask)) { cleanup(); exit(0); } - if(sel) - sel->out = true; + if (sel) + sel->out = 1; break; case XK_Right: - if(text[cursor] != '\0') { + if (text[cursor] != '\0') { cursor = nextrune(+1); break; } - if(lines > 0) + if (lines > 0) return; /* fallthrough */ case XK_Down: - if(sel && sel->right && (sel = sel->right) == next) { + 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 - 1); text[sizeof text - 1] = '\0'; @@ -458,229 +524,351 @@ keypress(XKeyEvent *ev) { match(); break; } - drawmenu(); -} - -void -match(void) { - static char **tokv = NULL; - static int tokn = 0; - - char buf[sizeof text], *s; - int i, tokc = 0; - size_t len; - 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; - 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(tokv[0], item->text, len+1)) - 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(); -} - -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; +draw: + drawmenu(); } -void -paste(void) { +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); + 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); + } drawmenu(); } -void -readstdin(void) { - char buf[sizeof text], *p, *maxstr = NULL; - size_t i, max = 0, size = 0; +static void +readstdin(void) +{ + char buf[sizeof text], *p; + size_t i, imax = 0, size = 0; + unsigned int tmpmax = 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)))) + 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'))) + if ((p = strchr(buf, '\n'))) *p = '\0'; - if(!(items[i].text = strdup(buf))) - die("cannot strdup %u bytes:", strlen(buf)+1); - items[i].out = false; - if(strlen(items[i].text) > max) - max = strlen(maxstr = items[i].text); + if (!(items[i].text = strdup(buf))) + die("cannot strdup %u bytes:", strlen(buf) + 1); + items[i].out = 0; + drw_font_getexts(drw->fonts, buf, strlen(buf), &tmpmax, NULL); + if (tmpmax > inputw) { + inputw = tmpmax; + imax = i; + } } - if(items) + if (items) items[i].text = NULL; - inputw = maxstr ? TEXTW(maxstr) : 0; + inputw = items ? TEXTW(items[imax].text) : 0; lines = MIN(lines, i); } -void -run(void) { +static void +run(void) +{ XEvent ev; - while(!XNextEvent(dpy, &ev)) { - if(XFilterEvent(&ev, win)) + 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) + 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: keypress(&ev.xkey); break; case SelectionNotify: - if(ev.xselection.property == utf8) + if (ev.xselection.property == utf8) paste(); break; case VisibilityNotify: - if(ev.xvisibility.state != VisibilityUnobscured) + if (ev.xvisibility.state != VisibilityUnobscured) XRaiseWindow(dpy, win); break; } } } -void -setup(void) { - int x, y; +static void +setup(void) +{ + int x, y, i, j; + unsigned int du; XSetWindowAttributes swa; XIM xim; + Window w, dw, *dws; + XWindowAttributes wa; + XClassHint ch = {"dmenu", "dmenu"}; #ifdef XINERAMA XineramaScreenInfo *info; - Window w, pw, dw, *dws; - XWindowAttributes wa; - int a, j, di, n, i = 0, area = 0; - unsigned int du; + Window pw; + int a, di, n, area = 0; #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); + for (j = 0; j < SchemeLast; j++) { + scheme[j] = drw_scm_create(drw, (const char**)colors[j], 2); + } + for (j = 0; j < SchemeOut; ++j) { + for (i = 0; i < 2; ++i) + free(colors[j][i]); + } clip = XInternAtom(dpy, "CLIPBOARD", False); utf8 = XInternAtom(dpy, "UTF8_STRING", False); /* calculate menu geometry */ - bh = drw->fonts[0]->h + 2; + bh = drw->fonts->h + 2; lines = MAX(lines, 0); mh = (lines + 1) * bh; + promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0; #ifdef XINERAMA - if((info = XineramaQueryScreens(dpy, &n))) { + i = 0; + if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) { XGetInputFocus(dpy, &w, &di); - if(mon != -1 && mon < n) + if (mon >= 0 && mon < n) i = mon; - if(!i && w != root && w != PointerRoot && w != None) { + 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) + if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws) XFree(dws); - } while(w != root && w != pw); + } 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) { + 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])) + 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])) break; - x = info[i].x_org; - y = info[i].y_org + (topbar ? 0 : info[i].height - mh); - mw = info[i].width; + if (centered) { + mw = MIN(MAX(max_textw() + promptw, min_width), info[i].width); + x = info[i].x_org + ((info[i].width - mw) / 2); + y = info[i].y_org + ((info[i].height - mh) / 2); + } else { + x = info[i].x_org; + y = info[i].y_org + (topbar ? 0 : info[i].height - mh); + mw = info[i].width; + } + XFree(info); - } - else + } else #endif { - x = 0; - y = topbar ? 0 : sh - mh; - mw = sw; + if (!XGetWindowAttributes(dpy, parentwin, &wa)) + die("could not get embedding window attributes: 0x%lx", + parentwin); + + if (centered) { + mw = MIN(MAX(max_textw() + promptw, min_width), wa.width); + x = (wa.width - mw) / 2; + y = (wa.height - mh) / 2; + } else { + x = 0; + y = topbar ? 0 : wa.height - mh; + mw = wa.width; + } } - 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.background_pixel = scheme[SchemeNorm][ColBg].pixel; swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask; - win = XCreateWindow(dpy, root, x, y, mw, mh, 0, - DefaultDepth(dpy, screen), CopyFromParent, - DefaultVisual(dpy, screen), + win = XCreateWindow(dpy, parentwin, x, y, mw, mh, border_width, + CopyFromParent, CopyFromParent, CopyFromParent, CWOverrideRedirect | CWBackPixel | CWEventMask, &swa); ++ XSetWindowBorder(dpy, win, scheme[SchemeSel][ColBg].pixel); + XSetClassHint(dpy, win, &ch); + + + /* input methods */ + if ((xim = XOpenIM(dpy, NULL, NULL, NULL)) == NULL) + die("XOpenIM failed: could not open input device"); - /* open input methods */ - xim = XOpenIM(dpy, NULL, NULL, NULL); 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(); + } drw_resize(drw, mw, mh); drawmenu(); } -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); +static void +usage(void) +{ + fputs("usage: dmenu [-bfirv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n" + " [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]\n", stderr); exit(1); } + +void +readxresources(void) { + XrmInitialize(); + + char* xrm; + if ((xrm = XResourceManagerString(drw->dpy))) { + char *type; + XrmDatabase xdb = XrmGetStringDatabase(xrm); + XrmValue xval; + + if (XrmGetResource(xdb, "dmenu.font", "*", &type, &xval)) + fonts[0] = strdup(xval.addr); + else + fonts[0] = strdup(fonts[0]); + if (XrmGetResource(xdb, "dmenu.background", "*", &type, &xval)) + colors[SchemeNorm][ColBg] = strdup(xval.addr); + else + colors[SchemeNorm][ColBg] = strdup(colors[SchemeNorm][ColBg]); + if (XrmGetResource(xdb, "dmenu.foreground", "*", &type, &xval)) + colors[SchemeNorm][ColFg] = strdup(xval.addr); + else + colors[SchemeNorm][ColFg] = strdup(colors[SchemeNorm][ColFg]); + if (XrmGetResource(xdb, "dmenu.selbackground", "*", &type, &xval)) + colors[SchemeSel][ColBg] = strdup(xval.addr); + else + colors[SchemeSel][ColBg] = strdup(colors[SchemeSel][ColBg]); + if (XrmGetResource(xdb, "dmenu.selforeground", "*", &type, &xval)) + colors[SchemeSel][ColFg] = strdup(xval.addr); + else + colors[SchemeSel][ColFg] = strdup(colors[SchemeSel][ColFg]); + + XrmDestroyDatabase(xdb); + } +} + +int +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], "-c")) /* centers dmenu on screen */ + centered = 1; + else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */ + fstrncmp = strncasecmp; + fstrstr = cistrstr; + } else if (!strcmp(argv[i], "-r")) /* reject input which results in no match */ + reject_no_match = 1; + 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 */ + tempfonts = argv[++i]; + else if (!strcmp(argv[i], "-nb")) /* normal background color */ + colortemp[0] = argv[++i]; + else if (!strcmp(argv[i], "-nf")) /* normal foreground color */ + colortemp[1] = argv[++i]; + else if (!strcmp(argv[i], "-sb")) /* selected background color */ + colortemp[2] = argv[++i]; + else if (!strcmp(argv[i], "-sf")) /* selected foreground color */ + colortemp[3] = argv[++i]; + else if (!strcmp(argv[i], "-w")) /* embedding window id */ + embed = argv[++i]; + else + usage(); + + 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); + readxresources(); + /* Now we check whether to override xresources with commandline parameters */ + if ( tempfonts ) + fonts[0] = strdup(tempfonts); + if ( colortemp[0]) + colors[SchemeNorm][ColBg] = strdup(colortemp[0]); + if ( colortemp[1]) + colors[SchemeNorm][ColFg] = strdup(colortemp[1]); + if ( colortemp[2]) + colors[SchemeSel][ColBg] = strdup(colortemp[2]); + if ( colortemp[3]) + colors[SchemeSel][ColFg] = strdup(colortemp[3]); + + if (!drw_fontset_create(drw, (const char**)fonts, LENGTH(fonts))) + die("no fonts could be loaded."); + + free(fonts[0]); + lrpad = drw->fonts->h; + +#ifdef __OpenBSD__ + if (pledge("stdio rpath", NULL) == -1) + die("pledge"); +#endif + + if (fast && !isatty(0)) { + grabkeyboard(); + readstdin(); + } else { + readstdin(); + grabkeyboard(); + } + setup(); + run(); + + return 1; /* unreachable */ +}