X-Git-Url: https://git.xinqibao.xyz/dmenu.git/blobdiff_plain/30d72e5f8730bd8e16ead1b3ed40663d1f850fa4..f555908cef580106a50c53e096ec12bf4d2bb2e2:/main.c diff --git a/main.c b/main.c index 840a7bc..fa03ec8 100644 --- a/main.c +++ b/main.c @@ -1,20 +1,19 @@ -/* - * (C)opyright MMVI Anselm R. Garbe - * (C)opyright MMVI Sander van Dijk +/* (C)opyright MMVI-MMVII Anselm R. Garbe + * (C)opyright MMVI-MMVII Sander van Dijk * See LICENSE file for license details. */ - #include "dmenu.h" - #include +#include #include #include #include #include -#include #include #include +#define CLEANMASK(mask) (mask & ~(numlockmask | LockMask)) + typedef struct Item Item; struct Item { Item *next; /* traverses all items */ @@ -25,10 +24,13 @@ struct Item { /* static */ static char text[4096]; -static int mx, my, mw, mh; +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 */ @@ -40,14 +42,12 @@ static Window root; static Window win; static void -calcoffsets() -{ +calcoffsets(void) { unsigned int tw, w; if(!curr) return; - - w = cmdw + 2 * SPACE; + w = promptw + cmdw + 2 * SPACE; for(next = curr; next; next=next->right) { tw = textw(next->text); if(tw > mw / 3) @@ -56,8 +56,7 @@ calcoffsets() if(w > mw) break; } - - w = cmdw + 2 * SPACE; + w = promptw + cmdw + 2 * SPACE; for(prev = curr; prev && prev->left; prev=prev->left) { tw = textw(prev->left->text); if(tw > mw / 3) @@ -69,57 +68,117 @@ calcoffsets() } static void -drawmenu() -{ +drawmenu(void) { Item *i; dc.x = 0; dc.y = 0; dc.w = mw; dc.h = mh; - drawtext(NULL, False, False); - + 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, False, False); + drawtext(text[0] ? text : NULL, dc.norm); dc.x += cmdw; - if(curr) { dc.w = SPACE; - drawtext((curr && curr->left) ? "<" : NULL, False, False); + 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, sel == i); + drawtext(i->text, (sel == i) ? dc.sel : dc.norm); dc.x += dc.w; } - dc.x = mw - SPACE; dc.w = SPACE; - drawtext(next ? ">" : NULL, False, False); + drawtext(next ? ">" : NULL, dc.norm); } XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0); XFlush(dpy); } +static Bool +grabkeyboard(void) { + unsigned int len; + + for(len = 1000; len; len--) { + if(XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime) + == GrabSuccess) + break; + usleep(1000); + } + return len > 0; +} + +static unsigned long +initcolor(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; +} + static void -match(char *pattern) -{ +initfont(const char *fontstr) { + char *def, **missing; + int i, n; + + 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++; + } + } + else { + if(dc.font.xfont) + XFreeFont(dpy, dc.font.xfont); + dc.font.xfont = NULL; + if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))) + eprint("error, 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; +} + +static void +match(char *pattern) { unsigned int plen; Item *i, *j; if(!pattern) 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) @@ -143,48 +202,124 @@ match(char *pattern) j = i; nitem++; } - curr = prev = next = sel = item; calcoffsets(); } static void -kpress(XKeyEvent * e) -{ +kpress(XKeyEvent * e) { char buf[32]; - int num, prev_nitem; - unsigned int i, len; + int i, num; + unsigned int len; KeySym ksym; len = strlen(text); buf[0] = 0; - num = XLookupString(e, buf, sizeof(buf), &ksym, 0); - + num = XLookupString(e, buf, sizeof buf, &ksym, 0); if(IsFunctionKey(ksym) || IsKeypadKey(ksym) || IsMiscFunctionKey(ksym) || IsPFKey(ksym) || IsPrivateKeypadKey(ksym)) 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; break; + case XK_i: + case XK_I: + ksym = XK_Tab; + break; + case XK_j: + case XK_J: + ksym = XK_Return; + break; case XK_u: case XK_U: text[0] = 0; match(text); drawmenu(); 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(); + } + return; + } + } + if(CLEANMASK(e->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; } } 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); + } + break; + case XK_BackSpace: + if(len) { + text[--len] = 0; + match(text); + } + break; + case XK_End: + if(!item) + return; + while(next) { + sel = curr = next; + calcoffsets(); + } + while(sel && sel->right) + sel = sel->right; + break; + case XK_Escape: + ret = 1; + running = False; + break; + case XK_Home: + if(!item) + return; + sel = curr = item; + calcoffsets(); + break; case XK_Left: if(!(sel && sel->left)) return; @@ -194,26 +329,21 @@ kpress(XKeyEvent * e) calcoffsets(); } break; - case XK_Tab: - if(!sel) + case XK_Next: + if(!next) return; - strncpy(text, sel->text, sizeof(text)); - match(text); + sel = curr = next; + calcoffsets(); break; - case XK_Right: - if(!(sel && sel->right)) + case XK_Prior: + if(!prev) return; - sel=sel->right; - if(sel == next) { - curr = next; - calcoffsets(); - } + sel = curr = prev; + calcoffsets(); break; case XK_Return: - if(e->state & ShiftMask) { - if(text) - fprintf(stdout, "%s", text); - } + if((e->state & ShiftMask) && text) + fprintf(stdout, "%s", text); else if(sel) fprintf(stdout, "%s", sel->text); else if(text) @@ -221,43 +351,34 @@ kpress(XKeyEvent * e) fflush(stdout); running = False; break; - case XK_Escape: - ret = 1; - running = False; - break; - case XK_BackSpace: - if((i = len)) { - prev_nitem = nitem; - do { - text[--i] = 0; - match(text); - } while(i && nitem && prev_nitem == nitem); - match(text); + case XK_Right: + if(!(sel && sel->right)) + return; + sel=sel->right; + if(sel == next) { + curr = next; + calcoffsets(); } break; - 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); - } + case XK_Tab: + if(!sel) + return; + strncpy(text, sel->text, sizeof text); + match(text); + break; } drawmenu(); } static char * -readstdin() -{ +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)) { + while(fgets(buf, sizeof buf, stdin)) { len = strlen(buf); if (buf[len - 1] == '\n') buf[len - 1] = 0; @@ -266,7 +387,6 @@ readstdin() maxname = p; max = len; } - new = emalloc(sizeof(Item)); new->next = new->left = new->right = NULL; new->text = p; @@ -280,6 +400,12 @@ readstdin() return maxname; } +static void +usage(void) { + eprint("usage: dmenu [-b] [-fn ] [-nb ] [-nf ]\n" + " [-p ] [-sb ] [-sf ] [-v]\n"); +} + /* extern */ int screen; @@ -287,63 +413,102 @@ Display *dpy; DC dc = {0}; int -main(int argc, char *argv[]) -{ +main(int argc, char *argv[]) { + Bool bottom = False; + char *font = FONT; char *maxname; - Item *i; + char *normbg = NORMBGCOLOR; + char *normfg = NORMFGCOLOR; + char *selbg = SELBGCOLOR; + char *selfg = SELFGCOLOR; + int i, j; + Item *itm; XEvent ev; + XModifierKeymap *modmap; XSetWindowAttributes wa; - if(argc == 2 && !strncmp("-v", argv[1], 3)) { - fputs("dmenu-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout); - exit(EXIT_SUCCESS); - } - else if(argc != 1) - eprint("usage: dmenu [-v]\n"); - + /* command line args */ + for(i = 1; i < argc; i++) + if(!strncmp(argv[i], "-b", 3)) { + bottom = True; + } + else if(!strncmp(argv[i], "-fn", 4)) { + if(++i < argc) font = argv[i]; + } + else if(!strncmp(argv[i], "-nb", 4)) { + if(++i < argc) normbg = argv[i]; + } + else if(!strncmp(argv[i], "-nf", 4)) { + if(++i < argc) normfg = argv[i]; + } + else if(!strncmp(argv[i], "-p", 3)) { + if(++i < argc) prompt = argv[i]; + } + else if(!strncmp(argv[i], "-sb", 4)) { + if(++i < argc) selbg = argv[i]; + } + else if(!strncmp(argv[i], "-sf", 4)) { + if(++i < argc) selfg = argv[i]; + } + else if(!strncmp(argv[i], "-v", 3)) + eprint("dmenu-"VERSION", (C)opyright MMVI-MMVII Anselm R. Garbe\n"); + else + usage(); + setlocale(LC_CTYPE, ""); dpy = XOpenDisplay(0); if(!dpy) eprint("dmenu: cannot open display\n"); screen = DefaultScreen(dpy); root = RootWindow(dpy, screen); - - maxname = readstdin(); - - /* grab as early as possible, but after reading all items!!! */ - while(XGrabKeyboard(dpy, root, True, GrabModeAsync, - GrabModeAsync, CurrentTime) != GrabSuccess) - usleep(1000); - + 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); + } + } + XFreeModifiermap(modmap); /* style */ - dc.bg = getcolor(BGCOLOR); - dc.fg = getcolor(FGCOLOR); - dc.border = getcolor(BORDERCOLOR); - setfont(FONT); - + dc.norm[ColBG] = initcolor(normbg); + dc.norm[ColFG] = initcolor(normfg); + dc.sel[ColBG] = initcolor(selbg); + dc.sel[ColFG] = initcolor(selfg); + initfont(font); + /* menu window */ wa.override_redirect = 1; wa.background_pixmap = ParentRelative; wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask; - - mx = my = 0; mw = DisplayWidth(dpy, screen); - mh = dc.font.height + 4; - - win = XCreateWindow(dpy, root, mx, my, mw, mh, 0, + 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); - XDefineCursor(dpy, win, XCreateFontCursor(dpy, XC_xterm)); - /* 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); XMapRaised(dpy, win); @@ -351,8 +516,10 @@ main(int argc, char *argv[]) XSync(dpy, False); /* main event loop */ - while(running && !XNextEvent(dpy, &ev)) { + while(running && !XNextEvent(dpy, &ev)) switch (ev.type) { + default: /* ignore all crap */ + break; case KeyPress: kpress(&ev.xkey); break; @@ -360,17 +527,14 @@ main(int argc, char *argv[]) if(ev.xexpose.count == 0) drawmenu(); break; - default: - break; } - } - XUngrabKeyboard(dpy, CurrentTime); + /* cleanup */ while(allitems) { - i = allitems->next; + itm = allitems->next; free(allitems->text); free(allitems); - allitems = i; + allitems = itm; } if(dc.font.set) XFreeFontSet(dpy, dc.font.set); @@ -379,7 +543,7 @@ main(int argc, char *argv[]) XFreePixmap(dpy, dc.drawable); XFreeGC(dpy, dc.gc); XDestroyWindow(dpy, win); + XUngrabKeyboard(dpy, CurrentTime); XCloseDisplay(dpy); - return ret; }