shithub: map

Info  •  Files  •  Log  •  Branches

fetch maximum zoom from mapfs, better scrolling

--- a/map.c

+++ b/map.c

@@ -176,7 +176,7 @@

 static int

 handlekeyboard(int kbdc)

 {

-	double off = 10./(currentloc.z <= 0 ? 1 : currentloc.z);

+	double off = 100./(currentloc.z <= 0 ? 1 : currentloc.z*tilesize);

 	switch (kbdc) {

 	case Kdel:

@@ -219,6 +219,25 @@

 	}

 }

+static void

+initmapfs(void)

+{

+	int fd, n;

+	char buf[32];

+	

+	fd = open("/mnt/map/ctl", OREAD);

+	if (fd < 0)

+		sysfatal("mapfs error: open ctl: %r");

+	

+	n = read(fd, buf, sizeof(buf) - 1);

+	if (n < 0)

+		sysfatal("mapfs error: read ctl: %r");

+	close(fd);

+	buf[n] = 0;

+	

+	maxzoom = atoi(buf);

+}

+

 void

 main(int argc, char **argv)

 {

@@ -236,6 +255,7 @@

 	if (debug)

 		traperrout();

+	initmapfs();

 	gpsloc = getlocation();

 	currentloc = getbundle(gpsloc, zoom, &drawoffset);