X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=main.c;h=d87e5dc9410933b36f3008d0a22e5cfc9a2d22d0;hb=063c3d26e9eea7184db23953edf540db431dc77f;hp=3ac1c91617878b313eeff37bc4a4474797cf7586;hpb=e4fc9053178152332722d93f0ac81855629b93da;p=dmenu.git

diff --git a/main.c b/main.c
index 3ac1c91..d87e5dc 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;
 
@@ -196,7 +203,7 @@ match(char *pattern) {
 static void
 kpress(XKeyEvent * e) {
 	char buf[32];
-	int i, num, prev_nitem;
+	int i, num;
 	unsigned int len;
 	KeySym ksym;
 
@@ -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++) {
@@ -470,10 +473,10 @@ 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);
+	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;