clean up broken word wrap, add , endOfScreen return value

src/fenrir/utils/char_utils.py

@@ -7,8 +7,9 @@
 from core import debug
 
 def getPrevChar(currX,currY, currText):
+    endOfScreen = False
     if currText == '':
-        return -1, -1, ''
+        return -1, -1, '', endOfScreen
     wrappedLines = currText.split('\n')         
     x = currX
     y = currY  
@@ -16,51 +17,60 @@ def getPrevChar(currX,currY, currText):
         if y - 1 > 0:
             y -= 1
             x = len(wrappedLines[y]) - 1
+        else:
+            endOfScreen = True
     else:
         x -= 1
     currChar = wrappedLines[y][x]        
-    return x, y, currChar
+    return x, y, currChar, endOfScreen
 
 def getCurrentChar(currX,currY, currText):
+    endOfScreen = False
     if currText == '':
         return -1, -1, ''
     wrappedLines = currText.split('\n')         
     currChar = wrappedLines[currY][currX]
-    return currX, currY, currChar
+    return currX, currY, currChar, endOfScreen
 
 def getUpChar(currX,currY, currText):
+    endOfScreen = False
     if currText == '':
-        return -1, -1, ''
+        return -1, -1, '', endOfScreen
     wrappedLines = currText.split('\n')   
     currY -= 1
     if currY < 0:
         currY = 0      
     currChar = wrappedLines[currY][currX]
-    return currX, currY, currChar
+    return currX, currY, currChar, endOfScreen
 
 def getDownChar(currX,currY, currText):
+    endOfScreen = False
     if currText == '':
-        return -1, -1, ''
+        return -1, -1, '', endOfScreen
     wrappedLines = currText.split('\n')   
     currY += 1
     if currY >= len(wrappedLines):
-        currY = len(wrappedLines) -1      
+        currY = len(wrappedLines) -1
+    else:
+        endOfScreen = True             
     currChar = wrappedLines[currY][currX]
-    return currX, currY, currChar
+    return currX, currY, currChar, endOfScreen
 
 def getLastCharInLine(currY, currText):
+    endOfScreen = False    
     if currText == '':
-        return -1, -1, ''
+        return -1, -1, '', endOfScreen
     wrappedLines = currText.split('\n')         
     currX = len(wrappedLines[currY].rstrip())-1
     if currX < 0:
         currX = 0
     currChar = wrappedLines[currY][currX]
-    return currX, currY, currChar
+    return currX, currY, currChar, endOfScreen
 
 def getNextChar(currX,currY, currText):
+    endOfScreen = False    
     if currText == '':
-        return -1, -1, ''
+        return -1, -1, '', endOfScreen
     wrappedLines = currText.split('\n')         
     x = currX
     y = currY
@@ -68,10 +78,12 @@ def getNextChar(currX,currY, currText):
         if y + 1 < len(wrappedLines) - 1:
             y += 1
             x = 0
+        else:
+            endOfScreen = True
     else:
         x += 1    
     currChar = wrappedLines[y][x]            
-    return x, y, currChar
+    return x, y, currChar, endOfScreen
 
 def getPhonetic(currChar):
     if len(currChar) != 1:

src/fenrir/utils/line_utils.py

@@ -7,35 +7,42 @@
 from core import debug
 
 def getPrevLine(currX,currY, currText):
+    endOfScreen = False
     if currText == '':
-        return -1, -1, ''
+        return -1, -1, '', endOfScreen
     wrappedLines = currText.split('\n')         
     x = currX
     y = currY 
     if y - 1 >= 0:
         y -= 1
+    else:
+        endOfScreen = True        
     x = 0
     currLine = wrappedLines[y]                   
-    return x, y, currLine
+    return x, y, currLine, endOfScreen
 
 def getCurrentLine(currX,currY, currText):
+    endOfScreen = False
     if currText == '':
-        return -1, -1, ''
+        return -1, -1, '', endOfScreen
     wrappedLines = currText.split('\n')         
     x = currX
     y = currY
     x = 0
     currLine = wrappedLines[y]
-    return x, y, currLine
+    return x, y, currLine, endOfScreen
 
 def getNextLine(currX,currY, currText):
+    endOfScreen = False
     if currText == '':
-        return -1, -1, ''
+        return -1, -1, '', endOfScreen
     wrappedLines = currText.split('\n')         
     x = currX
     y = currY
     if y + 1 < len(wrappedLines):
         y += 1
+    else:
+        endOfScreen = True
     x = 0
     currLine = wrappedLines[y]    
-    return x, y, currLine
+    return x, y, currLine, endOfScreen