X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=main.c;h=cd0e2b5df0472c654b2282b16d2a75a3cf08f4b4;hb=28b6ea0f67ee02b0ff04a267671a255b47c21559;hp=08406436540ff9927b6079a7bb5cc14ebf46a122;hpb=665488a6eedeecf743e44bd9624105c8b47c4f97;p=dmenu.git

diff --git a/main.c b/main.c
index 0840643..cd0e2b5 100644
--- a/main.c
+++ b/main.c
@@ -3,15 +3,12 @@
  * See LICENSE file for license details.
  */
 #include "dmenu.h"
-
 #include <ctype.h>
 #include <locale.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>
-#include <sys/select.h>
-#include <sys/time.h>
 #include <X11/Xutil.h>
 #include <X11/keysym.h>
 
@@ -44,22 +41,6 @@ static Item *curr = NULL;
 static Window root;
 static Window win;
 
-static unsigned 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);
-}
-
-static unsigned int
-textw(const char *text) {
-	return textnw(text, strlen(text)) + dc.font.height;
-}
-
 static void
 calcoffsets(void) {
 	unsigned int tw, w;
@@ -86,53 +67,6 @@ calcoffsets(void) {
 	}
 }
 
-static void
-drawtext(const char *text, unsigned long col[ColLast]) {
-	int x, y, w, h;
-	static char buf[256];
-	unsigned int len, olen;
-	XGCValues gcv;
-	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;
-	w = 0;
-	olen = len = strlen(text);
-	if(len >= sizeof buf)
-		len = sizeof buf - 1;
-	memcpy(buf, text, len);
-	buf[len] = 0;
-	h = dc.font.ascent + dc.font.descent;
-	y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
-	x = dc.x + (h / 2);
-	/* shorten text if necessary */
-	while(len && (w = textnw(buf, len)) > dc.w - h)
-		buf[--len] = 0;
-	if(len < olen) {
-		if(len > 1)
-			buf[len - 1] = '.';
-		if(len > 2)
-			buf[len - 2] = '.';
-		if(len > 3)
-			buf[len - 3] = '.';
-	}
-	if(w > dc.w)
-		return; /* too long */
-	gcv.foreground = col[ColFG];
-	if(dc.font.set) {
-		XChangeGC(dpy, dc.gc, GCForeground, &gcv);
-		XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc,
-				x, y, buf, len);
-	}
-	else {
-		gcv.font = dc.font.xfont->fid;
-		XChangeGC(dpy, dc.gc, GCForeground | GCFont, &gcv);
-		XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
-	}
-}
-
 static void
 drawmenu(void) {
 	Item *i;
@@ -175,7 +109,7 @@ drawmenu(void) {
 }
 
 static unsigned long
-getcolor(const char *colstr) {
+initcolor(const char *colstr) {
 	Colormap cmap = DefaultColormap(dpy, screen);
 	XColor color;
 
@@ -185,7 +119,7 @@ getcolor(const char *colstr) {
 }
 
 static void
-setfont(const char *fontstr) {
+initfont(const char *fontstr) {
 	char *def, **missing;
 	int i, n;
 
@@ -457,6 +391,12 @@ readstdin(void) {
 	return maxname;
 }
 
+static void
+usage(void) {
+	eprint("usage: dmenu [-b] [-fn <font>] [-nb <color>] [-nf <color>]\n"
+		"             [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n");
+}
+
 /* extern */
 
 int screen;
@@ -472,16 +412,18 @@ main(int argc, char *argv[]) {
 	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;
+	if(argc == 2 && !strncmp("-v", argv[1], 3))
+		eprint("dmenu-"VERSION", (C)opyright MMVI-MMVII Anselm R. Garbe\n");
+	else if(isatty(STDIN_FILENO)) {
+		fputs("error: dmenu can't run in an interactive shell\n", stdout);
+		usage();
+	}
 	/* command line args */
 	for(i = 1; i < argc; i++)
 		if(!strncmp(argv[i], "-b", 3)) {
@@ -505,51 +447,34 @@ main(int argc, char *argv[]) {
 		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 [-b] [-fn <font>] [-nb <color>] [-nf <color>] [-p <prompt>]\n"
-				"             [-sb <color>] [-sf <color>] [-t <seconds>] [-v]\n", stdout);
+			usage();
 	setlocale(LC_CTYPE, "");
 	dpy = XOpenDisplay(0);
 	if(!dpy)
 		eprint("dmenu: cannot open display\n");
 	screen = DefaultScreen(dpy);
 	root = RootWindow(dpy, screen);
-
-	/* 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))
+			if(modmap->modifiermap[i * modmap->max_keypermod + j]
+			== XKeysymToKeycode(dpy, XK_Num_Lock))
 				numlockmask = (1 << i);
 		}
 	}
 	XFreeModifiermap(modmap);
 	/* style */
-	dc.norm[ColBG] = getcolor(normbg);
-	dc.norm[ColFG] = getcolor(normfg);
-	dc.sel[ColBG] = getcolor(selbg);
-	dc.sel[ColFG] = getcolor(selfg);
-	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;
@@ -607,7 +532,6 @@ main(int argc, char *argv[]) {
 	XFreePixmap(dpy, dc.drawable);
 	XFreeGC(dpy, dc.gc);
 	XDestroyWindow(dpy, win);
-UninitializedEnd:
 	XUngrabKeyboard(dpy, CurrentTime);
 	XCloseDisplay(dpy);
 	return ret;