merged recent changes into package branch again

2 files changed, 52 insertions, 1 deletions

diff --git a/asciifarm/client/display/__init__.py b/asciifarm/client/display/__init__.py
index dc553a8..870571e 100644
--- a/asciifarm/client/display/__init__.py
+++ b/asciifarm/client/display/__init__.py
@@ -7,6 +7,7 @@ from .healthpad import HealthPad
 from .inventorypad import InventoryPad
 from .screen import Screen
 from .colours import Colours
+from .messagepad import MessagePad
 
 
 SIDEWIDTH = 20
@@ -33,6 +34,7 @@ class Display:
         self.groundPad = InventoryPad("Ground", 8)
         self.lastinfostring = None
         self.changed = False
+        self.messagePad = messagepad.MessagePad(5)
             
     
     def resizeField(self, size):
@@ -65,6 +67,10 @@ class Display:
     def setGround(self, items):
         self.groundPad.setInventory(items)
         self.change()
+        
+    def addMessage(self, message):
+        self.messagePad.addMessage(message)
+        self.change()
     
     def getChar(self, sprite):
         char = self.characters.get(sprite, self.defaultChar)
@@ -78,14 +84,17 @@ class Display:
     def update(self):
         if self.changed:
             fieldRight = min(self.fieldPad.getWidth(), self.screen.getWidth()-SIDEWIDTH-1)
+            fieldBottom = min(self.fieldPad.getHeight(), self.screen.getHeight()-self.messagePad.getHeight())
             healthBottom = self.healthPad.getHeight()
             inventoryBottom = healthBottom + self.inventoryPad.getHeight()
             groundBottom = inventoryBottom + self.groundPad.getHeight()
-            self.fieldPad.update(self, 0,0,fieldRight, min(self.fieldPad.getHeight(), self.screen.getHeight()))
+            self.fieldPad.update(self, 0,0,fieldRight, fieldBottom)
+            self.messagePad.update(self, 0,fieldBottom, fieldRight, min(self.screen.getHeight(), fieldBottom+self.messagePad.getHeight()))
             self.healthPad.update(self, fieldRight+1,0, self.screen.getWidth(), healthBottom)
             self.inventoryPad.update(self, fieldRight+1, healthBottom, self.screen.getWidth(), min(self.screen.getHeight(), inventoryBottom))
             self.groundPad.update(self, fieldRight+1, inventoryBottom, self.screen.getWidth(), min(self.screen.getHeight(), groundBottom))
             self.infoPad.update(self, fieldRight+1,groundBottom+1, self.screen.getWidth(), self.screen.getHeight())
+            
             curses.doupdate()
         self.changed = False
 
diff --git a/asciifarm/client/display/messagepad.py b/asciifarm/client/display/messagepad.py
new file mode 100644
index 0000000..50d34f5
--- /dev/null
+++ b/asciifarm/client/display/messagepad.py
@@ -0,0 +1,42 @@
+
+import curses
+import textwrap
+
+class MessagePad:
+    
+    def __init__(self, maxLines=10):
+        self.maxLines = maxLines
+        self.pad = curses.newpad(maxLines+2, 200)
+        self.changed = False
+        self.lastView = None
+        self.messages = []
+    
+    def addMessage(self, message):
+        self.messages.append(message)
+        self.changed = True
+    
+    def getHeight(self):
+        return min(len(self.messages), self.maxLines)
+    
+    def update(self, screen, x, y, xmax, ymax):
+        if not self.changed and (x, y, xmax, ymax) == self.lastView :
+            return
+        width = xmax - x
+        height = ymax - y # should equal self.getHeight()
+        if height < 1:
+            return
+        lines = []
+        for message in self.messages:
+            lines += textwrap.wrap(message, width)
+        if len(lines) > height:
+            lines = lines[len(lines)-height:]
+        self.pad.erase()
+        self.pad.addstr(0,0,'\n'.join(lines))
+        self.changed = False
+        self.pad.noutrefresh(
+            0,
+            0,
+            y,
+            x,
+            ymax-1,
+            xmax-1)