change: Add support for more ncurses functions

src/ncurses.cr

@@ -50,6 +50,7 @@ module NCurses
 
   defwrapper raw, noraw, echo, noecho, cbreak, nocbreak, start_color, nl, nonl
 
+  delegate curs_set, to: stdscr
   delegate keypad, to: stdscr
   delegate notimeout, to: stdscr
   delegate nodelay, to: stdscr

src/ncurses/libncurses.cr

@@ -50,6 +50,7 @@ lib LibNCurses
 
   enum KeyCode : LibC::Int
     ESC = 27
+    RETURN = 10
     CODE_YES  = 0o400
     MIN       = 0o401
     BREAK     = 0o401
@@ -200,6 +201,8 @@ lib LibNCurses
   fun wborder(w : Window, ls : Chtype, rs : Chtype, ts : Chtype, bs : Chtype,
               tl : Chtype, tr : Chtype, bl : Chtype, br : Chtype) : Result
   fun touchwin(w : Window) : Result
+  fun subwin(parent : Window, height : LibC::Int, width : LibC::Int, y : LibC::Int, x : LibC::Int) : Window
+  fun derwin(parent : Window, height : LibC::Int, width : LibC::Int, y : LibC::Int, x : LibC::Int) : Window
 
   # Pad
   fun newpad(height : LibC::Int, width : LibC::Int) : Window
@@ -208,6 +211,7 @@ lib LibNCurses
                smaxrow : LibC::Int, smaxcol : LibC::Int) : Result
 
   # Cursor
+  fun curs_set(i : LibC::Int) : Result
   fun wmove(w : Window, y : LibC::Int, x : LibC::Int) : Result
 
   # mv prefix
@@ -219,6 +223,7 @@ lib LibNCurses
   # Size
   fun getmaxx(w : Window) : LibC::Int
   fun getmaxy(w : Window) : LibC::Int
+  fun wresize(w : Window, height : LibC::Int, width : LibC::Int) : Result
 
   fun delwin(w : Window)
 

src/ncurses/raw_window.cr

@@ -34,6 +34,10 @@ module NCurses
       check_error(LibNCurses.werase(raw_win), "werase")
     end
 
+    def curs_set(value : Int)
+      check_error(LibNCurses.curs_set(value), "curs_set")
+    end
+
     private def to_chtype(x : Char | Attribute | Int)
       case x
       when Char
@@ -78,7 +82,11 @@ module NCurses
     end
 
     def addstr(s)
-      check_error(LibNCurses.waddnstr(raw_win, s.to_unsafe, s.bytesize), "waddnstr")
+      addnstr(s, s.bytesize)
+    end
+
+    def addnstr(s, i : Int32)
+      check_error(LibNCurses.waddnstr(raw_win, s.to_unsafe, i), "waddnstr")
     end
 
     def mvaddstr(s, y, x)
@@ -149,5 +157,9 @@ module NCurses
     def maxyx
       { maxy, maxx }
     end
+
+    def resize(height, width)
+      check_error(LibNCurses.wresize(raw_win, height, width), "wresize")
+    end
   end
 end

src/ncurses/window.cr

@@ -23,6 +23,24 @@ module NCurses
       end
     end
 
+    def self.subwin(height, width, y, x, parent, &blk)
+      win = new(LibNCurses.subwin(parent, height, width, y, x))
+      begin
+        yield win
+      ensure
+        win.close
+      end
+    end
+
+    def self.derwin(height, width, y, x, parent, &blk)
+      win = new(LibNCurses.derwin(parent, height, width, y, x))
+      begin
+        yield win
+      ensure
+        win.close
+      end
+    end
+
     def finalize
       close
     end