Menu display is now supported

dungeonbattle/display/menudisplay.py

@@ -0,0 +1,47 @@
+from dungeonbattle.menus import Menu
+from typing import Any
+import curses
+
+class MenuDisplay:
+    def __init__(self, menu : Menu, screen: Any, height : int, width : int, topleftx: int, toplefty: int) :
+        self.screen = screen
+        self.position = menu.position
+        self.values = menu.values
+        self.width = width
+        self.height = height
+        self.trueheight = len(menu.values)
+        self.truewidth = max(map(len,self.values))
+        self.topleftx = topleftx
+        self.toplefty = toplefty
+
+        #Menu values are printed in pad
+        self.pad = curses.newpad(self.trueheight,self.truewidth+1)
+        for i in range(self.trueheight-1) :
+            self.pad.addstr(i,0," " + self.values[i])
+
+        #Menu box
+        self.menubox = curses.newpad(self.height,self.width)
+        self.menubox.addstr(0,0,"┏"+"━"*(self.width-2)+"┓")
+        for i in range(1,self.height-2) :
+            self.menubox.addstr(i,0,"┃"+" "*(self.width-2)+"┃")
+        self.menubox.addstr(self.height-2, 0, "┗"+"━"*(self.width-2)+"┛")
+        
+    def update_pad(self, position : int) -> None:
+        for i in range(self.trueheight) :
+            self.pad.addstr(i,0," ")
+        self.pad.addstr(position,0,">") #set a marker in front of the selected line
+
+    def refresh(self, position : int) -> None: 
+        if self.height-2>=position-1 :
+            cornery = 0
+        elif self.height-2 >= self.trueheight-position :
+            cornery = self.trueheight-self.height+2
+            
+        self.menubox.refresh(0, 0, self.toplefty, self.topleftx,
+                          self.height + self.toplefty,
+                         self.width + self.topleftx)
+        self.update_pad(position)
+        self.pad.refresh(cornery, 0, self.toplefty+1, self.topleftx+1,
+                          self.height-2 + self.toplefty,
+                         self.width-2 + self.topleftx)
+