X-Git-Url: https://git.xinqibao.xyz/dmenu.git/blobdiff_plain/b27ffbd78bc2f88b4e55a39d1d53258305e2a6e7..d9c24564d2f46312a9ed94539e0299a9859e87d9:/dmenu.c diff --git a/dmenu.c b/dmenu.c index 4a6ca3d..2cc2cad 100644 --- a/dmenu.c +++ b/dmenu.c @@ -1,11 +1,9 @@ /* See LICENSE file for copyright and license details. */ #include #include -#include #include #include #include -#include #include #include #include @@ -13,33 +11,14 @@ #ifdef XINERAMA #include #endif +#include /* 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)) -/* 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 { char *text; @@ -53,49 +32,44 @@ 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 dinput(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 grabkeyboard(void); +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 void setup(void); #include "config.h" /* variables */ +static char **argp = NULL; 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 lines = 0; static unsigned int numlockmask = 0; -static Bool running = True; -static Display *dpy; +static unsigned int mw, mh; +static unsigned long normcol[ColLast]; +static unsigned long selcol[ColLast]; +static Bool topbar = True; static DC dc; +static Display *dpy; 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 Window win, root; 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 @@ -111,30 +85,28 @@ appenditem(Item *i, Item **list, Item **last) { void calcoffsetsh(void) { - unsigned int w; + unsigned int x; - 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); + x = promptw + cmdw + (2 * spaceitem); + for(next = curr; next; next = next->right) + if((x += MIN(textw(&dc, next->text), mw / 3)) > mw) + break; + x = promptw + cmdw + (2 * spaceitem); + for(prev = curr; prev && prev->left; prev = prev->left) + if((x += MIN(textw(&dc, prev->left->text), mw / 3)) > mw) + break; } void calcoffsetsv(void) { - unsigned int h; + unsigned int i; - 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; + next = prev = curr; + for(i = 0; i < lines && next; i++) + next = next->right; + mh = (dc.font.height + 2) * (i + 1); + for(i = 0; i < lines && prev && prev->left; i++) + prev = prev->left; } char * @@ -161,24 +133,27 @@ cistrstr(const char *s, const char *sub) { void cleanup(void) { - if(dc.font.set) - XFreeFontSet(dpy, dc.font.set); - else - XFreeFont(dpy, dc.font.xfont); - XFreePixmap(dpy, dc.drawable); - XFreeGC(dpy, dc.gc); + Item *itm; + + while(allitems) { + itm = allitems->next; + free(allitems->text); + free(allitems); + allitems = itm; + } + cleanupdraw(&dc); XDestroyWindow(dpy, win); XUngrabKeyboard(dpy, CurrentTime); + XCloseDisplay(dpy); } void -drawcursor(void) { - XRectangle r = { dc.x, dc.y + 2, 1, dc.font.height - 2 }; - - r.x += textnw(text, cursor) + dc.font.height / 2; - - XSetForeground(dpy, dc.gc, dc.norm[ColFG]); - XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1); +dinput(void) { + cleanup(); + argp[0] = "dinput"; + argp[1] = text; + execvp("dinput", argp); + eprint("cannot exec dinput\n"); } void @@ -187,27 +162,25 @@ drawmenu(void) { dc.y = 0; dc.w = mw; dc.h = mh; - drawtext(NULL, dc.norm); + drawtext(&dc, NULL, normcol, False); + dc.h = dc.font.height + 2; + dc.y = topbar ? 0 : mh - dc.h; /* print prompt? */ if(prompt) { dc.w = promptw; - drawtext(prompt, dc.sel); + drawtext(&dc, prompt, selcol, False); dc.x += dc.w; } 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(); - } + drawtext(&dc, *text ? text : NULL, normcol, False); + if(lines > 0) + drawmenuv(); + else if(curr) + drawmenuh(); XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0); - XFlush(dpy); } void @@ -216,130 +189,53 @@ drawmenuh(void) { dc.x += cmdw; dc.w = spaceitem; - drawtext(curr->left ? "<" : NULL, dc.norm); + drawtext(&dc, curr->left ? "<" : NULL, normcol, False); 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); + for(i = curr; i != next; i = i->right) { + dc.w = MIN(textw(&dc, i->text), mw / 3); + drawtext(&dc, i->text, (sel == i) ? selcol : normcol, False); dc.x += dc.w; } dc.w = spaceitem; dc.x = mw - dc.w; - drawtext(next ? ">" : NULL, dc.norm); + drawtext(&dc, next ? ">" : NULL, normcol, False); } void drawmenuv(void) { Item *i; + XWindowAttributes wa; + dc.y = topbar ? dc.h : 0; 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); + for(i = curr; i != next; i = i->right) { + drawtext(&dc, i->text, (sel == i) ? selcol : normcol, False); dc.y += dc.h; } - dc.h = mh - dc.y; - drawtext(NULL, dc.norm); -} - -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 }; - - XSetForeground(dpy, dc.gc, col[ColBG]); - XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1); - if(!text) - 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); + if(!XGetWindowAttributes(dpy, win, &wa)) + eprint("cannot get window attributes"); + XMoveResizeWindow(dpy, win, wa.x, wa.y + (topbar ? 0 : wa.height - mh), mw, mh); } void -eprint(const char *errstr, ...) { - va_list ap; - - va_start(ap, errstr); - vfprintf(stderr, errstr, ap); - va_end(ap); - exit(EXIT_FAILURE); -} - -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; -} - -Bool grabkeyboard(void) { unsigned int len; for(len = 1000; len; len--) { - if(XGrabKeyboard(dpy, parent, True, GrabModeAsync, GrabModeAsync, CurrentTime) + if(XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime) == GrabSuccess) break; usleep(1000); } - return len > 0; -} - -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++; - } - } - 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; + if(!len) + exit(EXIT_FAILURE); } void -kpress(XKeyEvent * e) { +kpress(XKeyEvent *e) { char buf[sizeof text]; - int i, num; - unsigned int len; + int num; + unsigned int i, len; KeySym ksym; len = strlen(text); @@ -354,119 +250,73 @@ kpress(XKeyEvent * e) { return; /* first check if a control mask is omitted */ if(e->state & ControlMask) { - switch (ksym) { - default: /* ignore other control sequences */ + switch(tolower(ksym)) { + default: return; case XK_a: - case XK_A: ksym = XK_Home; break; + case XK_b: + ksym = XK_Left; + break; case XK_c: - case XK_C: ksym = XK_Escape; break; case XK_e: - case XK_E: ksym = XK_End; break; + case XK_f: + ksym = XK_Right; + 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: + case XK_m: ksym = XK_Return; break; + case XK_n: + ksym = XK_Down; + break; + case XK_p: + ksym = XK_Up; + break; case XK_u: - case XK_U: - memmove(text, text + cursor, sizeof text - cursor + 1); - cursor = 0; + text[0] = '\0'; match(text); 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); - } - break; - } - } - 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; - 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'; + if(len == 0) + return; + i = len; + while(i-- > 0 && text[i] == ' '); + while(i-- > 0 && text[i] != ' '); + text[++i] = '\0'; + match(text); break; } } switch(ksym) { default: - num = MIN(num, sizeof text - cursor); + num = MIN(num, sizeof text); if(num && !iscntrl((int) buf[0])) { - memmove(text + cursor + num, text + cursor, sizeof text - cursor - num); - memcpy(text + cursor, buf, num); - cursor += num; + memcpy(text + len, buf, num + 1); + len += 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); - } - 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); + if(len == 0) + return; + for(i = 1; len - i > 0 && !IS_UTF8_1ST_CHAR(text[len - i]); i++); + len -= i; + text[len] = '\0'; match(text); break; case XK_End: - if(cursor < len) { - cursor = len; - break; - } while(next) { sel = curr = next; calcoffsets(); @@ -475,30 +325,20 @@ kpress(XKeyEvent * e) { sel = sel->right; break; case XK_Escape: - ret = 1; - running = False; - break; + exit(EXIT_FAILURE); case XK_Home: - if(sel == item) { - cursor = 0; - break; - } sel = curr = item; calcoffsets(); break; case XK_Left: case XK_Up: - if(sel && sel->left){ - sel = sel->left; - if(sel->right == curr) { - curr = prev; - calcoffsets(); - } - } - else if(cursor > 0) - while(cursor-- > 0 && !IS_UTF8_1ST_CHAR(text[cursor])); - else + if(!sel || !sel->left) return; + sel = sel->left; + if(sel->right == curr) { + curr = prev; + calcoffsets(); + } break; case XK_Next: if(!next) @@ -513,33 +353,25 @@ kpress(XKeyEvent * e) { calcoffsets(); break; case XK_Return: - if((e->state & ShiftMask) || !sel) - fprintf(stdout, "%s", text); - else - fprintf(stdout, "%s", sel->text); + if(e->state & ShiftMask) + dinput(); + fprintf(stdout, "%s", sel ? sel->text : text); fflush(stdout); - running = False; - break; + exit(EXIT_SUCCESS); 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(); - } - } - else + if(!sel || !sel->right) return; + sel = sel->right; + if(sel == next) { + curr = next; + calcoffsets(); + } break; case XK_Tab: - if(!sel) - return; - strncpy(text, sel->text, sizeof text); - cursor = strlen(text); - match(text); + if(sel) + strncpy(text, sel->text, sizeof text); + dinput(); break; } drawmenu(); @@ -598,11 +430,11 @@ readstdin(void) { if(buf[len-1] == '\n') buf[--len] = '\0'; if(!(p = strdup(buf))) - eprint("dmenu: cannot strdup %u bytes\n", len); + eprint("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); + eprint("cannot malloc %u bytes\n", sizeof *new); new->next = new->left = new->right = NULL; new->text = p; if(!i) @@ -618,8 +450,9 @@ run(void) { XEvent ev; /* main event loop */ - while(running && !XNextEvent(dpy, &ev)) - switch (ev.type) { + XSync(dpy, False); + while(!XNextEvent(dpy, &ev)) + switch(ev.type) { case KeyPress: kpress(&ev.xkey); break; @@ -628,14 +461,15 @@ run(void) { drawmenu(); break; case VisibilityNotify: - if (ev.xvisibility.state != VisibilityUnobscured) + if(ev.xvisibility.state != VisibilityUnobscured) XRaiseWindow(dpy, win); break; } + exit(EXIT_FAILURE); } void -setup(Bool topbar) { +setup(void) { int i, j, x, y; #if XINERAMA int n; @@ -643,7 +477,6 @@ setup(Bool topbar) { #endif XModifierKeymap *modmap; XSetWindowAttributes wa; - XWindowAttributes pwa; /* init modifier map */ modmap = XGetModifierMapping(dpy); @@ -655,28 +488,28 @@ setup(Bool topbar) { } 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); + dc.dpy = dpy; + normcol[ColBG] = getcolor(&dc, normbgcolor); + normcol[ColFG] = getcolor(&dc, normfgcolor); + selcol[ColBG] = getcolor(&dc, selbgcolor); + selcol[ColFG] = getcolor(&dc, selfgcolor); + initfont(&dc, font); /* menu window */ wa.override_redirect = True; wa.background_pixmap = ParentRelative; - wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask | VisibilityChangeMask; + wa.event_mask = ExposureMask | 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))) { + if(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)) + if(XQueryPointer(dpy, root, &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; @@ -689,54 +522,32 @@ setup(Bool topbar) { else #endif { - XGetWindowAttributes(dpy, parent, &pwa); x = 0; - y = topbar ? 0 : pwa.height - mh; - mw = pwa.width; + y = topbar ? 0 : mh - DisplayHeight(dpy, screen); + mw = DisplayWidth(dpy, screen); } - win = XCreateWindow(dpy, parent, x, y, mw, mh, 0, + win = XCreateWindow(dpy, root, 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); + setupdraw(&dc, win); if(maxname) - cmdw = MIN(textw(maxname), mw / 3); + cmdw = MIN(textw(&dc, maxname), mw / 3); if(prompt) - promptw = MIN(textw(prompt), mw / 5); + promptw = MIN(textw(&dc, prompt), mw / 5); text[0] = '\0'; match(text); XMapRaised(dpy, win); } -int -textnw(const char *text, unsigned int len) { - XRectangle r; - - if(dc.font.set) { - XmbTextExtents(dc.font.set, text, len, NULL, &r); - return r.width; - } - return XTextWidth(dc.font.xfont, text, len); -} - -int -textw(const char *text) { - return textnw(text, strlen(text)) + dc.font.height; -} - int main(int argc, char *argv[]) { unsigned int i; - Bool topbar = True; /* command line args */ + progname = "dmenu"; for(i = 1; i < argc; i++) if(!strcmp(argv[i], "-i")) { fstrncmp = strncasecmp; @@ -744,9 +555,6 @@ main(int argc, char *argv[]) { } 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) @@ -770,27 +578,30 @@ main(int argc, char *argv[]) { 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 - eprint("usage: dmenu [-i] [-b] [-e ] [-l ] [-fn ] [-nb ]\n" - " [-nf ] [-p ] [-sb ] [-sf ] [-v]\n"); + else if(!strcmp(argv[i], "-v")) { + printf("dmenu-"VERSION", © 2006-2010 dmenu engineers, see LICENSE for details\n"); + exit(EXIT_SUCCESS); + } + else { + fputs("usage: dmenu [-i] [-b] [-l ] [-fn ] [-nb ]\n" + " [-nf ] [-p ] [-sb ] [-sf ] [-v]\n", stderr); + exit(EXIT_FAILURE); + } if(!setlocale(LC_CTYPE, "") || !XSupportsLocale()) fprintf(stderr, "dmenu: warning: no locale support\n"); if(!(dpy = XOpenDisplay(NULL))) - eprint("dmenu: cannot open display\n"); + eprint("cannot open display\n"); + if(atexit(&cleanup) != 0) + eprint("cannot register cleanup\n"); screen = DefaultScreen(dpy); - if(!parent) - parent = RootWindow(dpy, screen); + root = RootWindow(dpy, screen); + if(!(argp = malloc(sizeof *argp * (argc+2)))) + eprint("cannot malloc %u bytes\n", sizeof *argp * (argc+2)); + memcpy(argp + 2, argv + 1, sizeof *argp * argc); readstdin(); - running = grabkeyboard(); - - setup(topbar); - drawmenu(); - XSync(dpy, False); + grabkeyboard(); + setup(); run(); - cleanup(); - XCloseDisplay(dpy); - return ret; + return 0; }