Minor updates to terminal handling

Properly handles goto_col and goto_row. Additionally, input wrapping is
handled.

Truecolor specs are now set appropriately.

src/ansi.rs

@@ -551,13 +551,11 @@ impl Parser {
         match raw[0] {
             '@' => handler.insert_blank(arg_or_default!(args[0], 1)),
             'A' => {
-                debug_csi!();
                 handler.move_up(arg_or_default!(args[0], 1));
             },
             'B' | 'e' => handler.move_down(arg_or_default!(args[0], 1)),
             'c' => handler.identify_terminal(),
             'C' | 'a' => {
-                debug_csi!();
                 handler.move_forward(arg_or_default!(args[0], 1))
             },
             'D' => handler.move_backward(arg_or_default!(args[0], 1)),
@@ -572,7 +570,7 @@ impl Parser {
 
                 handler.clear_tabs(mode);
             },
-            'G' | '`' => handler.goto_col(arg_or_default!(args[0], 1)),
+            'G' | '`' => handler.goto_col(arg_or_default!(args[0], 1) - 1),
             'H' | 'f' => {
                 let y = arg_or_default!(args[0], 1);
                 let x = arg_or_default!(args[1], 1);
@@ -613,7 +611,7 @@ impl Parser {
             'X' => handler.erase_chars(arg_or_default!(args[0], 1)),
             'P' => handler.delete_chars(arg_or_default!(args[0], 1)),
             'Z' => handler.move_backward_tabs(arg_or_default!(args[0], 1)),
-            'd' => handler.goto_row(arg_or_default!(args[0], 1)),
+            'd' => handler.goto_row(arg_or_default!(args[0], 1) - 1),
             'h' => {
                 let mode = Mode::from_primitive(args[0]);
                 match mode {

src/term.rs

@@ -149,6 +149,11 @@ impl Term {
 
     /// Set character in current cursor position
     fn set_char(&mut self, c: char) {
+        if self.cursor.x == self.grid.num_cols() as u16 {
+            self.cursor.y += 1;
+            self.cursor.x = 0;
+        }
+
         let cell = &mut self.grid[self.cursor];
         cell.c = c;
         cell.fg = self.fg;
@@ -175,8 +180,17 @@ impl ansi::Handler for Term {
         println!("goto: x={}, y={}", x, y);
         self.cursor.goto(x as u16, y as u16);
     }
-    fn goto_row(&mut self, y: i64) { println!("goto_row: {}", y); }
-    fn goto_col(&mut self, x: i64) { println!("goto_col: {}", x); }
+    fn goto_row(&mut self, y: i64) {
+        println!("goto_row: {}", y);
+        let x = self.cursor_x();
+        self.cursor.goto(x, y as u16);
+    }
+    fn goto_col(&mut self, x: i64) {
+        println!("goto_col: {}", x);
+        let y = self.cursor_y();
+        self.cursor.goto(x as u16, y);
+    }
+
     fn insert_blank(&mut self, num: i64) { println!("insert_blank: {}", num); }
 
     fn move_up(&mut self, rows: i64) {
@@ -325,6 +339,12 @@ impl ansi::Handler for Term {
             Attr::Background(named_color) => {
                 self.bg = COLORS[named_color as usize];
             },
+            Attr::ForegroundSpec(rgb) => {
+                self.fg = rgb;
+            },
+            Attr::BackgroundSpec(rgb) => {
+                self.bg = rgb;
+            },
             Attr::Reset => {
                 self.fg = DEFAULT_FG;
                 self.bg = DEFAULT_BG;