From bc0e5a406a0179fdbc7a5e298d108e966bcb3ed0 Mon Sep 17 00:00:00 2001
From: Agathe Porte <microjoe@microjoe.org>
Date: Sun, 23 Feb 2020 10:30:17 +0100
Subject: add goto functions

---
 src/codes.rs |  2 ++
 src/lib.rs   | 12 ++++++++++++
 2 files changed, 14 insertions(+)

(limited to 'src')

diff --git a/src/codes.rs b/src/codes.rs
index 2111df7..e397df8 100644
--- a/src/codes.rs
+++ b/src/codes.rs
@@ -46,6 +46,7 @@ pub enum SpecialCode {
     GotoXY(Option<u32>, Option<u32>),
 }
 
+/// Write a X or Y goto symbol, as required
 fn write_goto_xy_sym<T: Write>(writer: &mut T, sym: char, value: Option<u32>) -> Result<usize> {
     let mut total = 0;
     if let Some(value) = value {
@@ -55,6 +56,7 @@ fn write_goto_xy_sym<T: Write>(writer: &mut T, sym: char, value: Option<u32>) ->
     Ok(total)
 }
 
+/// Write both X and/or Y goto symbol, as required
 fn write_goto_xy<T: Write>(writer: &mut T, x: Option<u32>, y: Option<u32>) -> Result<usize> {
     let mut total = 0;
     total += write_goto_xy_sym(writer, 'x', x)?;
diff --git a/src/lib.rs b/src/lib.rs
index 5679f60..b573b1a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -287,6 +287,18 @@ where
     pub fn large_font(&mut self) -> std::io::Result<()> {
         write_simple_code!(self, SpecialCode::LargeFont)
     }
+
+    pub fn gotoxy(&mut self, x: u32, y: u32) -> std::io::Result<()> {
+        write_simple_code!(self, SpecialCode::GotoXY(Some(x), Some(y)))
+    }
+
+    pub fn gotox(&mut self, x: u32) -> std::io::Result<()> {
+        write_simple_code!(self, SpecialCode::GotoXY(Some(x), None))
+    }
+
+    pub fn gotoy(&mut self, y: u32) -> std::io::Result<()> {
+        write_simple_code!(self, SpecialCode::GotoXY(None, Some(y)))
+    }
 }
 
 // Reimplement Write trait for Screen, so that user can call the write and
-- 
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