X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=main.c;h=b733feb5fc76a6c20578feab338b1fc4409a41e2;hb=03c2b05bb2265e0ef7ba33b7f6df36bd6e0ce54d;hp=54a3a12ca91adff4f06e8d633478283a0e314cec;hpb=66b2e8379f0b851d0535a50321e22b58fdaa247d;p=dmenu.git

diff --git a/main.c b/main.c
index 54a3a12..b733feb 100644
--- a/main.c
+++ b/main.c
@@ -3,7 +3,6 @@
  * See LICENSE file for license details.
  */
 #include "dmenu.h"
-
 #include <ctype.h>
 #include <locale.h>
 #include <stdlib.h>
@@ -42,22 +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;
@@ -84,53 +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;
@@ -172,8 +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;
 
@@ -183,7 +126,7 @@ getcolor(const char *colstr) {
 }
 
 static void
-setfont(const char *fontstr) {
+initfont(const char *fontstr) {
 	char *def, **missing;
 	int i, n;
 
@@ -346,12 +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;
@@ -482,10 +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)) {
@@ -519,10 +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++) {
@@ -534,11 +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;