fixed offsets, updated eprint, cleaned up

dinput.c

@@ -164,7 +164,7 @@ kpress(XKeyEvent * e) {
 				FILE *fp;
 				char *s;
 				if(!(fp = popen("sselp", "r")))
-					eprint("dinput: cannot popen sselp\n");
+					eprint("cannot popen sselp\n");
 				s = fgets(buf, sizeof buf, fp);
 				pclose(fp);
 				if(s == NULL)
@@ -322,6 +322,7 @@ main(int argc, char *argv[]) {
 	Bool topbar = True;
 
 	/* command line args */
+	progname = argv[0];
 	for(i = 1; i < argc; i++)
 		if(!strcmp(argv[i], "-b"))
 			topbar = False;
@@ -356,7 +357,7 @@ main(int argc, char *argv[]) {
 	if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
 		fprintf(stderr, "dinput: warning: no locale support\n");
 	if(!(dpy = XOpenDisplay(NULL)))
-		eprint("dinput: cannot open display\n");
+		eprint("cannot open display\n");
 	screen = DefaultScreen(dpy);
 	if(!parent)
 		parent = RootWindow(dpy, screen);

dmenu.c

@@ -34,6 +34,7 @@ static void calcoffsetsh(void);
 static void calcoffsetsv(void);
 static char *cistrstr(const char *s, const char *sub);
 static void cleanup(void);
+static void dinput(void);
 static void drawmenu(void);
 static void drawmenuh(void);
 static void drawmenuv(void);
@@ -89,28 +90,25 @@ void
 calcoffsetsh(void) {
 	unsigned int w;
 
-	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);
+	w = promptw + cmdw + (2 * spaceitem);
+	for(next = curr; next; next = next->right)
+		if((w += MIN(textw(next->text), mw / 3)) > mw)
+			break;
+	w = promptw + cmdw + (2 * spaceitem);
+	for(prev = curr; prev && prev->left; prev = prev->left)
+		if((w += MIN(textw(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;
+	for(i = 0; i < lines && prev && prev->left; i++)
+		prev = prev->left;
 }
 
 char *
@@ -150,6 +148,13 @@ cleanup(void) {
 	XUngrabKeyboard(dpy, CurrentTime);
 }
 
+void
+dinput(void) {
+	cleanup();
+	execlp("dinput", "dinput", text, NULL); /* todo: argv */
+	eprint("cannot exec dinput\n");
+}
+
 void
 drawmenu(void) {
 	dc.x = 0;
@@ -290,8 +295,7 @@ kpress(XKeyEvent * e) {
 			match(text);
 			break;
 		case XK_x:
-			execlp("dinput", "dinput", text, NULL); /* todo: argv */
-			eprint("dmenu: cannot exec dinput:");
+			dinput();
 			break;
 		}
 	}
@@ -369,10 +373,9 @@ kpress(XKeyEvent * e) {
 		}
 		break;
 	case XK_Tab:
-		if(!sel)
-			return;
-		strncpy(text, sel->text, sizeof text);
-		match(text);
+		if(sel)
+			strncpy(text, sel->text, sizeof text);
+		dinput();
 		break;
 	}
 	drawmenu();
@@ -431,11 +434,11 @@ 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)
@@ -544,6 +547,7 @@ main(int argc, char *argv[]) {
 	Bool topbar = True;
 
 	/* command line args */
+	progname = argv[0];
 	for(i = 1; i < argc; i++)
 		if(!strcmp(argv[i], "-i")) {
 			fstrncmp = strncasecmp;
@@ -585,7 +589,7 @@ main(int argc, char *argv[]) {
 	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");
 	screen = DefaultScreen(dpy);
 	if(!parent)
 		parent = RootWindow(dpy, screen);

draw.c

@@ -13,6 +13,9 @@
 #define MIN(a, b)               ((a) < (b) ? (a) : (b))
 #define MAX(a, b)               ((a) > (b) ? (a) : (b))
 
+/* variables */
+char *progname;
+
 void
 drawcleanup(void) {
 	if(dc.font.set)
@@ -71,6 +74,7 @@ void
 eprint(const char *errstr, ...) {
 	va_list ap;
 
+	fprintf(stderr, "%s: ", progname);
 	va_start(ap, errstr);
 	vfprintf(stderr, errstr, ap);
 	va_end(ap);
@@ -83,7 +87,7 @@ getcolor(const char *colstr) {
 	XColor color;
 
 	if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
-		eprint("drawtext: cannot allocate color '%s'\n", colstr);
+		eprint("cannot allocate color '%s'\n", colstr);
 	return color.pixel;
 }
 
@@ -92,8 +96,8 @@ initfont(const char *fontstr) {
 	char *def, **missing = NULL;
 	int i, n;
 
-	if(!fontstr || fontstr[0] == '\0')
-		eprint("drawtext: cannot load font: '%s'\n", fontstr);
+	if(!fontstr || !*fontstr)
+		eprint("cannot load null font\n");
 	dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
 	if(missing)
 		XFreeStringList(missing);
@@ -111,7 +115,7 @@ initfont(const char *fontstr) {
 	else {
 		if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))
 		&& !(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
-			eprint("drawtext: cannot load font: '%s'\n", fontstr);
+			eprint("cannot load font '%s'\n", fontstr);
 		dc.font.ascent = dc.font.xfont->ascent;
 		dc.font.descent = dc.font.xfont->descent;
 	}

draw.h

@@ -30,13 +30,13 @@ int textnw(const char *text, unsigned int len);
 int textw(const char *text);
 
 /* variables */
+extern char *progname;
 extern Display *dpy;
 extern DC dc;
 extern int screen;
 extern unsigned int mw, mh;
 extern Window parent;
 
-/* style */
 extern const char *font;
 extern const char *normbgcolor;
 extern const char *normfgcolor;