[rust] simplify issue-1509 example

rust/examples/issue-1509.rs

@@ -9,56 +9,22 @@ use std::collections::BTreeMap;
 
 use libnotcurses_sys::*;
 
-fn main() {
-    let mut map = BTreeMap::<String, NcCell>::new();
-
-    let _res = notcurses(&mut map);
-
-    for (k, v) in map {
-        //println!("{}: {:016X}", k, v.channels);
-        //println!("{}: {:064b}", k, v.channels);
-        println!("{}: {:?}", k, v);
-    }
-}
-
-fn notcurses(map: &mut BTreeMap<String, NcCell>) -> NcResult<()> {
+fn main() -> NcResult<()> {
     let mut nc = FullMode::new()?;
     
-    let stdplane = nc.stdplane();
-    map.insert("stdp_base0".into(), stdplane.base()?);
-
-    let mut channels = NcChannelPair::with_rgb8(0, 0, 0, 0, 0x88, 0);
-    stdplane.set_base(" ", 0, channels)?;
-    map.insert("stdp_base1".into(), stdplane.base()?);
-
-    // create one 1x1 blue plane on the top left corner
-    let blue = NcPlane::new_bound(stdplane, 0, 0, 1, 1)?;
-    map.insert("blue_base0".into(), blue.base()?);
-    blue.set_base(" ", 0, channels.set_bg_rgb8(0, 0, 0x88))?;
-    map.insert("blue_base1".into(), blue.base()?);
-    rsleep![&mut nc, 0, 500];
-
-    // create another 1x1 red plane, on top
-    let red = NcPlane::new_bound(stdplane, 0, 0, 1, 1)?;
-    map.insert(" red_base0".into(), red.base()?);
-    red.set_base(" ", 0, channels.set_bg_rgb8(0x88, 0, 0))?;
-    map.insert(" red_base1".into(), red.base()?);
-    rsleep![&mut nc, 0, 500];
-
-    // move the red plane to the bottom
-    // BUG: the underlying blue plane renders black
-    red.move_yx(1, 0)?;
-    map.insert("blue_base2".into(), blue.base()?);
-    map.insert(" red_base2".into(), red.base()?);
-    map.insert("stdp_base2".into(), stdplane.base()?);
+    // get the stdplane and color it green
+    let green = nc.stdplane();
+    let mut channels = NcChannelPair::with_rgb8(0xFF, 0, 0, 0, 0x88, 0);
+    green.set_base("-", 0, channels)?;
+
+    // create one 1x1 blue plane at 1,1
+    let blue = NcPlane::new_bound(green, 1, 1, 1, 1)?;
+    blue.set_base("B", 0, channels.set_bg_rgb8(0, 0, 0x88))?;
     rsleep![&mut nc, 1];
 
-    // move the blue plane to the right
-    // BUG: the underlying green stdplane plane renders black
-    blue.move_yx(0, 1)?;
-    map.insert("stdp_base3".into(), stdplane.base()?); // CHECK
-    map.insert(" red_base3".into(), red.base()?);
-    map.insert("blue_base3".into(), blue.base()?);
+    // move it to 4,4
+    // BUG: here it shows something is wrong
+    blue.move_yx(4, 4)?;
     rsleep![&mut nc, 1];
 
     Ok(())