X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=main.c;h=b733feb5fc76a6c20578feab338b1fc4409a41e2;hb=03c2b05bb2265e0ef7ba33b7f6df36bd6e0ce54d;hp=8b24bb07bcfa146e88489144801d8622ea1a9d5e;hpb=a1913a6af7c9cd6de18e15e989050690fdaa6600;p=dmenu.git

diff --git a/main.c b/main.c
index 8b24bb0..b733feb 100644
--- a/main.c
+++ b/main.c
@@ -108,8 +108,15 @@ drawmenu(void) {
 	XFlush(dpy);
 }
 
+static void
+grabkeyboard(void) {
+	while(XGrabKeyboard(dpy, root, True, GrabModeAsync,
+			 GrabModeAsync, CurrentTime) != GrabSuccess)
+		usleep(1000);
+}
+
 static unsigned long
-getcolor(const char *colstr) {
+initcolor(const char *colstr) {
 	Colormap cmap = DefaultColormap(dpy, screen);
 	XColor color;
 
@@ -119,7 +126,7 @@ getcolor(const char *colstr) {
 }
 
 static void
-setfont(const char *fontstr) {
+initfont(const char *fontstr) {
 	char *def, **missing;
 	int i, n;
 
@@ -282,12 +289,8 @@ kpress(XKeyEvent * e) {
 		}
 		break;
 	case XK_BackSpace:
-		if((i = len)) {
-			prev_nitem = nitem;
-			do {
-				text[--i] = 0;
-				match(text);
-			} while(i && nitem && prev_nitem == nitem);
+		if(len) {
+			text[--len] = 0;
 			match(text);
 		}
 		break;
@@ -418,10 +421,6 @@ main(int argc, char *argv[]) {
 	XModifierKeymap *modmap;
 	XSetWindowAttributes wa;
 
-	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)) {
@@ -455,10 +454,14 @@ main(int argc, char *argv[]) {
 		eprint("dmenu: cannot open display\n");
 	screen = DefaultScreen(dpy);
 	root = RootWindow(dpy, screen);
-	while(XGrabKeyboard(dpy, root, True, GrabModeAsync,
-			 GrabModeAsync, CurrentTime) != GrabSuccess)
-		usleep(1000);
-	maxname = readstdin();
+	if(isatty(STDIN_FILENO)) {
+		maxname = readstdin();
+		grabkeyboard();
+	}
+	else { /* prevent keypress loss */
+		grabkeyboard();
+		maxname = readstdin();
+	}
 	/* init modifier map */
 	modmap = XGetModifierMapping(dpy);
 	for (i = 0; i < 8; i++) {
@@ -470,11 +473,11 @@ main(int argc, char *argv[]) {
 	}
 	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;