From d90716a47ded0abb095be8eda89be0b426abaeca Mon Sep 17 00:00:00 2001
From: glenda <glenda@r51>
Date: Sun, 2 Feb 2025 01:49:01 +0000
Subject: [PATCH] fix progressbar

---
 pres.c | 32 +++++++++++++++++++++++---------
 1 file changed, 23 insertions(+), 9 deletions(-)

diff --git a/pres.c b/pres.c
index ca8a4957d201fa11b931f6b69e8bae066c0ec2dd..8f6d8812d9eef63d61bffb9378ad93f1fa3ed961 100644
--- a/pres.c
+++ b/pres.c
@@ -193,9 +193,10 @@ checkerr(Slide *s, char *msg, ...)
 void
 checkfile(void)
 {
-	int waserr, linum;
+	int i, waserr, linum;
 	char *c2, *p;
 	Slide *s;
+	Dir *d;
 
 	waserr = 0;
 	linum = 0;
@@ -214,9 +215,22 @@ checkfile(void)
 			continue;
 		else if(strcmp(s->cmd, "text") == 0)
 			continue;
-		else if(strcmp(s->cmd, "gallery") == 0)
-			continue;
-		else if(strcmp(s->cmd, "title") == 0){
+		else if(strcmp(s->cmd, "gallery") == 0){
+			if(s->nlines == 0){
+				waserr = 1;
+				checkerr(s, "missing lines");
+			}
+
+			for(i = 0; i < s->nlines; i++){
+				if(*(s->lines[i]) == '\0')
+					continue;
+				if((d = dirstat(s->lines[i])) == nil){
+					waserr = 1;
+					checkerr(s, "missing file: '%s'", s->lines[i]);
+				}
+				free(d);
+			}
+		}else if(strcmp(s->cmd, "title") == 0){
 			if(s->arg == nil){
 				waserr = 1;
 				checkerr(s, "missing arg");
@@ -503,11 +517,11 @@ render(void)
 		prog0 = Pt(smin.x, smax.y);
 		prog1 = Pt(smin.x + cslide + (smax.x - smin.x) / (nslides - 1) * cslide, smax.y);
 
-		line(screen, Pt(smin.x, smax.y), smax, Endsquare, Endsquare, 5, bg, Pt(0,0));
-		line(screen, prog0, prog1, Endsquare, Enddisc, 5, fg, Pt(0,0));
+		line(screen, Pt(smin.x, smax.y), smax, Endsquare, Endsquare, nfont->height, bg, Pt(0,0));
+		line(screen, prog0, prog1, Endsquare, Enddisc, nfont->height, fg, Pt(0,0));
 
 		sprint(buf, "Slide %d", cslide);
-		stringbg(screen, Pt(5, smax.y - 5 - nfont->height), fg, Pt(0,0), nfont, buf, bg, Pt(0,0));
+		stringbg(screen, SPt(2, smax.y - nfont->height - 2), bg, Pt(0,0), nfont, buf, fg, Pt(0,0));
 	}
 }
 
@@ -540,7 +554,7 @@ main(int argc, char *argv[])
 	ym = 10;
 
 	tfname = "/n/ttf/lucida.ttf.32/font";
-	hfname = "/n/ttf/lucida.ttf.80/font";
+	hfname = "/n/ttf/lucida.ttf.64/font";
 
 	ARGBEGIN{
 	case 'c':
@@ -581,7 +595,7 @@ main(int argc, char *argv[])
 	contents = malloc(d->length + 2);
 	if(readn(fd, contents, d->length) < 0)
 		sysfatal("%r");
-	// cursed but makes the handling nicer above
+	// insert a newline, just in case
 	contents[d->length] = '\n';
 	contents[d->length + 1] = '\0';
 	offset = contents;