From 1a0924b86bf4c4f542d9b7fbed5e05f8dbc373c9 Mon Sep 17 00:00:00 2001
From: Tom Barrett <tombarrett@siu.edu>
Date: Tue, 24 Oct 2017 09:36:05 -0500
Subject: -centering works more closely

---
 Cargo.lock  |  6 +++---
 Cargo.toml  |  3 ++-
 src/main.rs | 21 ++++++++++++++-------
 src/view.rs | 26 ++++++++++++--------------
 4 files changed, 31 insertions(+), 25 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index b281d5b..81c029d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,7 +2,7 @@
 name = "roma"
 version = "0.1.0"
 dependencies = [
- "pancurses 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pancurses 0.11.0 (git+https://github.com/ihalila/pancurses)",
  "rand 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -55,7 +55,7 @@ dependencies = [
 [[package]]
 name = "pancurses"
 version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
+source = "git+https://github.com/ihalila/pancurses#8f81661687a32a5b0a1cb65b1bb7b46c9206b593"
 dependencies = [
  "libc 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -94,7 +94,7 @@ dependencies = [
 "checksum libc 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)" = "56cce3130fd040c28df6f495c8492e5ec5808fb4c9093c310df02b0c8f030148"
 "checksum log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "880f77541efa6e5cc74e76910c9884d9859683118839d6a1dc3b11e63512565b"
 "checksum ncurses 5.86.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e404cc633e25a50d3427c4202313a33375c0a559902cecce1dd2893dd226feb0"
-"checksum pancurses 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "775e85872854c4921272744ec1135d09b5168be5a109e9cc020ee169db37aa2f"
+"checksum pancurses 0.11.0 (git+https://github.com/ihalila/pancurses)" = "<none>"
 "checksum pdcurses-sys 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "923a29f049a83da029e6e96d2c1de8a9e3ca7c41ab1d2a9e3ab2c85a27725cf2"
 "checksum pkg-config 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "3a8b4c6b8165cd1a1cd4b9b120978131389f64bdaf456435caa41e630edba903"
 "checksum rand 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)" = "61efcbcd9fa8d8fbb07c84e34a8af18a1ff177b449689ad38a6e9457ecc7b2ae"
diff --git a/Cargo.toml b/Cargo.toml
index 7fcd97e..54443f9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,5 +4,6 @@ version = "0.1.0"
 authors = ["Tom Barrett <tombarrett@siu.edu>"]
 
 [dependencies]
-pancurses = "0.11"
+pancurses = { git = "https://github.com/ihalila/pancurses" }
 rand = "0.3"
+
diff --git a/src/main.rs b/src/main.rs
index 81583b8..2e8ca3e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -31,30 +31,37 @@ fn init() -> pancurses::Window {
 fn main() {
 
     let main = init();
-
     let mut map = Map::new();
     let mut view = View::new(main.get_max_yx(), &map.window);
-    let cursor = Character::new('X', 3, Location{x:150,y:150});
 
-    map.fill();
+    let mut cursor = Character::new('X', 3, Location{x:150,y:150});
+
     let list = List::new(map.impassable.to_vec());
-    list.draw(&map.window);
-    cursor.draw(&map.window);
 
     let paused = false;
     loop{
         match main.getch() {
-            Some(Input::Character(c)) => break,
+            Some(Input::Character(c)) => {
+                match c {
+                    'h' => cursor.location.y -= 1,
+                    'l' => cursor.location.y += 1,
+                    'k' => cursor.location.x -= 1,
+                    'j' => cursor.location.x += 1,
+                    'q' => break,
+                    _ => (),
+                }
+            },
             _ => ()
         }
 
         if !paused {
             list.action();
         }
+
         map.fill();
         list.draw(&map.window);
         cursor.draw(&map.window);
-        view.center(cursor, map.window.get_max_yx());
+        view.center(cursor, &map.window);
     }
 
 	endwin();
diff --git a/src/view.rs b/src/view.rs
index 51a052b..acd4807 100644
--- a/src/view.rs
+++ b/src/view.rs
@@ -12,7 +12,7 @@ pub struct View{
 
 impl View{
     pub fn new((x,y) : (i32, i32), map_window : &pancurses::Window) -> View {
-        let window = map_window.derwin(x,y,0,0).expect("help");
+        let window = map_window.derwin(x,y,0,0).expect("Cannot create derwin.");
         View{
             width : 	    x,
             height : 	    y,
@@ -22,40 +22,38 @@ impl View{
         }
     }
 
-    pub fn center(&mut self, character : Character, (hh, ww) : (i32,i32)) {
-        let mut rr = self.row;
-        let mut cc = self.col;
+    pub fn center(&mut self, character : Character, map_window : &pancurses::Window) {
         let r = character.location.x - self.height/2;
         let c = character.location.y - self.width/2;
+
+        let (hh, ww) = map_window.get_max_yx();
         
         if c + self.width >= ww {
             let delta = ww - (c + self.width);
-            cc = c + delta;
+            self.col = c + delta;
         }
         else {
-            cc = c;
+            self.col = c;
         }
 
         if r + self.height >= hh {
             let delta = hh - (r + self.height);
-            rr = r + delta;
+            self.row = r + delta;
         }
         else {
-            rr = r;
+            self.row = r;
         }
 
         if r < 0 {
-            rr = 0;
+            self.row = 0;
         }
 
         if c < 0 {
-            cc = 0;
+            self.col = 0;
         }
         
-        self.window.refresh();
-        self.window.mv(rr, cc);
-        self.row = rr;
-        self.col = cc;
+        self.window.mvderwin(self.row, self.col);
+        map_window.touch();
         self.window.refresh();
     }
 }
-- 
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