Stupid simple keymap

editing.py

@@ -3,8 +3,7 @@ from fide import *
 global ctx
 ctx = GlobalContext()
 
-# def cursor_go_left():
+def cursor_go_left():
-def go_left():
     buf = ctx.current_buffer
     cursor = ctx.current_buffer.cursor
     if cursor.col == 0:
@@ -15,3 +14,31 @@ def go_left():
     else:
         cursor.col = max(0, cursor.col - 1)
         cursor.want_col = cursor.col
+
+def cursor_go_right():
+    buf = ctx.current_buffer
+    cursor = ctx.current_buffer.cursor
+    if cursor.col == buffer_line_len(buf):
+        if cursor.line_num < buffer_total_lines(buf) - 1:
+            cursor.col = 0
+            cursor.want_col = cursor.col
+            cursor.line_num += 1
+    else:
+        cursor.col = min(buffer_line_len(buf), cursor.col + 1)
+        cursor.want_col = cursor.col
+
+def cursor_go_down():
+    buf = ctx.current_buffer
+    cursor = ctx.current_buffer.cursor
+    line_len = buffer_line_len(buf)
+    cursor.line_num = min(len(buf.lines) - 1, cursor.line_num + 1)
+    cursor.col = min(cursor.want_col, line_len)
+
+def cursor_go_up():
+    buf = ctx.current_buffer
+    cursor = ctx.current_buffer.cursor
+    cursor.line_num = max(0, cursor.line_num - 1)
+    line_len = buffer_line_len(buf)
+    # TODO: This should be global
+    line_len = 20
+    cursor.col = min(cursor.want_col, line_len)

fide.py

@@ -134,6 +134,12 @@ def main():
     current_buffer = ctx.current_buffer
     console = InteractiveInterpreter(locals())
     console.runsource('from editing import *')
+    key_map = {
+        'left': cursor_go_left,
+        'right': cursor_go_right,
+        'up': cursor_go_up,
+        'down': cursor_go_down
+    }
     while running:
         dt = clock.tick(120) / 1000.0
         screen.fill('white')
@@ -174,24 +180,13 @@ def main():
                             curr_line.length -= 1
                             cursor.want_col = cursor.col
                 elif event.key == pg.K_LEFT:
-                    cursor_go_left(current_buffer)
+                    key_map['left']()
                 elif event.key == pg.K_RIGHT:
-                    if cursor.col == buffer_line_len(current_buffer):
+                    key_map['right']()
-                        if cursor.line_num < buffer_total_lines(current_buffer) - 1:
-                            cursor.col = 0
-                            cursor.want_col = cursor.col
-                            cursor.line_num += 1
-                    else:
-                        cursor.col = min(buffer_line_len(current_buffer), cursor.col + 1)
-                        cursor.want_col = cursor.col
                 elif event.key == pg.K_UP:
-                    cursor.line_num = max(0, cursor.line_num - 1)
+                    key_map['up']()
-                    line_len = buffer_line_len(current_buffer)
-                    cursor.col = min(cursor.want_col, line_len)
                 elif event.key == pg.K_DOWN:
-                    line_len = buffer_line_len(current_buffer)
+                    key_map['down']()
-                    cursor.line_num = min(len(current_buffer.lines) - 1, cursor.line_num + 1)
-                    cursor.col = min(cursor.want_col, line_len)
                 elif event.key == pg.K_SPACE:
                     curr_line.piece.insert(u' ', cursor.col)
                     curr_line.length += 1