X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=main.c;h=224d298ff002e7c87b6fbbd2bdc8d4e070e7c058;hb=2bac5599b3e7629875d692b65a336915ecfee49d;hp=18263d5748b4800bf3990b64d5ad2e77de61cd51;hpb=7817523a685f0dbba2e074a448099558a54b1b9c;p=dmenu.git diff --git a/main.c b/main.c index 18263d5..224d298 100644 --- a/main.c +++ b/main.c @@ -1,103 +1,127 @@ -/* - * (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 #include #include -typedef struct Item Item; +#define CLEANMASK(mask) (mask & ~(numlockmask | LockMask)) +typedef struct Item Item; struct Item { Item *next; /* traverses all items */ Item *left, *right; /* traverses items matching current search pattern */ char *text; }; -static Display *dpy; -static Window root; -static Window win; -static Bool done = False; +/* static */ -static Item *allitem = NULL; /* first of all items */ -static Item *item = NULL; /* first of pattern matching items */ -static Item *sel = NULL; -static Item *nextoff = NULL; -static Item *prevoff = NULL; -static Item *curroff = NULL; - -static int screen, mx, my, mw, mh; -static char *title = NULL; 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 tw = 0; -static unsigned int cw = 0; -static const int seek = 30; /* 30px */ - -static Brush brush = {0}; - -static void draw_menu(); -static void kpress(XKeyEvent * e); - -static char version[] = "dmenu - " VERSION ", (C)opyright MMVI Anselm R. Garbe\n"; +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 void -update_offsets() -{ - unsigned int tw, w = cmdw + 2 * seek; +calcoffsets(void) { + unsigned int tw, w; - if(!curroff) + if(!curr) return; - - for(nextoff = curroff; nextoff; nextoff=nextoff->right) { - tw = textw(&brush.font, nextoff->text); + 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 + brush.font.height; + w += tw; if(w > mw) break; } - - w = cmdw + 2 * seek; - for(prevoff = curroff; prevoff && prevoff->left; prevoff=prevoff->left) { - tw = textw(&brush.font, prevoff->left->text); + 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 + brush.font.height; + w += tw; if(w > mw) break; } } static void -update_items(char *pattern) -{ - unsigned int plen = strlen(pattern); +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; + } + 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); +} + +static void +match(char *pattern) { + unsigned int plen; Item *i, *j; if(!pattern) return; - - if(!title || *pattern) - cmdw = cw; - else - cmdw = tw; - + plen = strlen(pattern); item = j = NULL; nitem = 0; - - for(i = allitem; i; i=i->next) + for(i = allitems; i; i=i->next) if(!plen || !strncmp(pattern, i->text, plen)) { if(!j) item = i; @@ -108,7 +132,7 @@ update_items(char *pattern) j = i; nitem++; } - for(i = allitem; i; i=i->next) + for(i = allitems; i; i=i->next) if(plen && strncmp(pattern, i->text, plen) && strstr(i->text, pattern)) { if(!j) @@ -120,179 +144,175 @@ update_items(char *pattern) j = i; nitem++; } - - curroff = prevoff = nextoff = sel = item; - - update_offsets(); + curr = prev = next = sel = item; + calcoffsets(); } -/* creates brush structs for brush mode drawing */ static void -draw_menu() -{ - Item *i; - - brush.x = 0; - brush.y = 0; - brush.w = mw; - brush.h = mh; - draw(dpy, &brush, False, 0); - - /* print command */ - if(!title || text[0]) { - cmdw = cw; - if(cmdw && item) - brush.w = cmdw; - draw(dpy, &brush, False, text); - } - else { - cmdw = tw; - brush.w = cmdw; - draw(dpy, &brush, False, title); - } - brush.x += brush.w; - - if(curroff) { - brush.w = seek; - draw(dpy, &brush, False, (curroff && curroff->left) ? "<" : 0); - brush.x += brush.w; - - /* determine maximum items */ - for(i = curroff; i != nextoff; i=i->right) { - brush.border = False; - brush.w = textw(&brush.font, i->text); - if(brush.w > mw / 3) - brush.w = mw / 3; - brush.w += brush.font.height; - if(sel == i) { - swap((void **)&brush.fg, (void **)&brush.bg); - draw(dpy, &brush, True, i->text); - swap((void **)&brush.fg, (void **)&brush.bg); - } - else - draw(dpy, &brush, False, i->text); - brush.x += brush.w; - } - - brush.x = mw - seek; - brush.w = seek; - draw(dpy, &brush, False, nextoff ? ">" : 0); - } - XCopyArea(dpy, brush.drawable, win, brush.gc, 0, 0, mw, mh, 0, 0); - XFlush(dpy); -} - -static void -kpress(XKeyEvent * e) -{ - KeySym ksym; +kpress(XKeyEvent * e) { char buf[32]; int num, prev_nitem; - unsigned int i, len = strlen(text); + unsigned int i, 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_U: + 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; - update_items(text); - draw_menu(); + match(text); + drawmenu(); return; + } + } + if(CLEANMASK(e->state) & Mod1Mask) { + switch(ksym) { + default: return; + case XK_h: + ksym = XK_Left; break; - case XK_bracketleft: - ksym = XK_Escape; + 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((i = len)) { + prev_nitem = nitem; + do { + text[--i] = 0; + match(text); + } while(i && nitem && prev_nitem == nitem); + 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; sel=sel->left; - if(sel->right == curroff) { - curroff = prevoff; - update_offsets(); + if(sel->right == curr) { + curr = prev; + calcoffsets(); } break; - case XK_Tab: - if(!sel) + case XK_Next: + if(!next) return; - strncpy(text, sel->text, sizeof(text)); - update_items(text); + sel = curr = next; + calcoffsets(); break; - case XK_Right: - if(!(sel && sel->right)) + case XK_Prior: + if(!prev) return; - sel=sel->right; - if(sel == nextoff) { - curroff = nextoff; - update_offsets(); - } + 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) fprintf(stdout, "%s", text); fflush(stdout); - done = True; - break; - case XK_Escape: - ret = 1; - done = True; + running = False; break; - case XK_BackSpace: - if((i = len)) { - prev_nitem = nitem; - do { - text[--i] = 0; - update_items(text); - } while(i && nitem && prev_nitem == nitem); - update_items(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)); - update_items(text); - } + case XK_Tab: + if(!sel) + return; + strncpy(text, sel->text, sizeof text); + match(text); + break; } - draw_menu(); + drawmenu(); } static char * -read_allitems() -{ +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; @@ -301,12 +321,11 @@ read_allitems() maxname = p; max = len; } - new = emalloc(sizeof(Item)); new->next = new->left = new->right = NULL; new->text = p; if(!i) - allitem = new; + allitems = new; else i->next = new; i = new; @@ -315,112 +334,154 @@ read_allitems() return maxname; } +/* extern */ + +int screen; +Display *dpy; +DC dc = {0}; + int -main(int argc, char *argv[]) -{ - int i; - XSetWindowAttributes wa; +main(int argc, char *argv[]) { + char *font = FONT; char *maxname; + char *normbg = NORMBGCOLOR; + char *normfg = NORMFGCOLOR; + char *selbg = SELBGCOLOR; + char *selfg = SELFGCOLOR; + fd_set rd; + int i, j; + struct timeval timeout; + Item *itm; XEvent ev; + XModifierKeymap *modmap; + XSetWindowAttributes wa; + timeout.tv_usec = 0; + timeout.tv_sec = 3; /* command line args */ - for(i = 1; i < argc; i++) { - if (argv[i][0] == '-') - switch (argv[i][1]) { - case 'v': - fprintf(stdout, "%s", version); - exit(0); - break; - case 't': - if(++i < argc) { - title = argv[i]; - break; - } - default: - eprint("usage: dmenu [-v] [-t ]\n"); - break; - } + for(i = 1; i < argc; i++) + 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], "-t", 3)) { + if(++i < argc) timeout.tv_sec = atoi(argv[i]); + } + else if(!strncmp(argv[i], "-v", 3)) { + fputs("dmenu-"VERSION", (C)opyright MMVI-MMVII Anselm R. Garbe\n", stdout); + exit(EXIT_SUCCESS); + } else - eprint("usage: dmenu [-v] [-t <title>]\n"); - } - + eprint("usage: dmenu [-fn <font>] [-nb <color>] [-nf <color>] [-p <prompt>]\n" + " [-sb <color>] [-sf <color>] [-t <seconds>] [-v]\n", stdout); + setlocale(LC_CTYPE, ""); dpy = XOpenDisplay(0); if(!dpy) - eprint("dmenu: cannot open dpy\n"); + eprint("dmenu: cannot open display\n"); screen = DefaultScreen(dpy); root = RootWindow(dpy, screen); - maxname = read_allitems(); - - /* grab as early as possible, but after reading all items!!! */ + /* Note, the select() construction allows to grab all keypresses as + * early as possible, to not loose them. But if there is no standard + * input supplied, we will make sure to exit after MAX_WAIT_STDIN + * seconds. This is convenience behavior for rapid typers. + */ while(XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime) != GrabSuccess) usleep(1000); - + FD_ZERO(&rd); + FD_SET(STDIN_FILENO, &rd); + if(select(ConnectionNumber(dpy) + 1, &rd, NULL, NULL, &timeout) < 1) + goto UninitializedEnd; + 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 */ - loadcolors(dpy, screen, &brush, BGCOLOR, FGCOLOR, BORDERCOLOR); - loadfont(dpy, &brush.font, FONT); - + dc.norm[ColBG] = getcolor(normbg); + dc.norm[ColFG] = getcolor(normfg); + dc.sel[ColBG] = getcolor(selbg); + dc.sel[ColFG] = getcolor(selfg); + setfont(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 = texth(&brush.font); - - win = XCreateWindow(dpy, root, mx, my, mw, mh, 0, + mh = dc.font.height + 2; + win = XCreateWindow(dpy, root, 0, + DisplayHeight(dpy, screen) - mh, mw, mh, 0, DefaultDepth(dpy, screen), CopyFromParent, DefaultVisual(dpy, screen), CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa); - XDefineCursor(dpy, win, XCreateFontCursor(dpy, XC_xterm)); - XFlush(dpy); - /* pixmap */ - brush.gc = XCreateGC(dpy, root, 0, 0); - brush.drawable = XCreatePixmap(dpy, win, mw, mh, - DefaultDepth(dpy, screen)); - XFlush(dpy); - + 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(maxname) - cw = textw(&brush.font, maxname) + brush.font.height; - if(cw > mw / 3) - cw = mw / 3; - - if(title) { - tw = textw(&brush.font, title) + brush.font.height; - if(tw > mw / 3) - tw = mw / 3; - } - - cmdw = title ? tw : cw; - + 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; - update_items(text); + match(text); XMapRaised(dpy, win); - draw_menu(); - XFlush(dpy); + drawmenu(); + XSync(dpy, False); /* main event loop */ - while(!done && !XNextEvent(dpy, &ev)) { + 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) - draw_menu(); - break; - default: + drawmenu(); break; } - } - XUngrabKeyboard(dpy, CurrentTime); - XFreePixmap(dpy, brush.drawable); - XFreeGC(dpy, brush.gc); + /* cleanup */ + while(allitems) { + itm = allitems->next; + free(allitems->text); + free(allitems); + allitems = itm; + } + 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); +UninitializedEnd: + XUngrabKeyboard(dpy, CurrentTime); XCloseDisplay(dpy); - return ret; }