Extract more functions and add ctrl+key bindings

config.py

@@ -4,5 +4,7 @@ keymap = {
     'left': cursor_go_left,
     'right': cursor_go_right,
     'up': cursor_go_up,
-    'down': cursor_go_down
+    'down': cursor_go_down,
+    'C-e': cursor_go_line_end,
+    'C-a': cursor_go_line_beginning,
 }

editing.py

@@ -43,12 +43,12 @@ def cursor_go_up():
     # TODO: This should be global
     cursor.col = min(cursor.want_col, line_len)
 
-def cursor_go_beginning_line():
+def cursor_go_line_beginning():
     buf = ctx.current_buffer
     buf.cursor.col = 0
     buf.cursor.want_col = buf.cursor.col
 
-def cursor_go_end_line():
+def cursor_go_line_end():
     buf = ctx.current_buffer
     buf.cursor.col = buffer_line_len(buf)
     buf.cursor.want_col = buf.cursor.col
@@ -111,6 +111,14 @@ def buffer_delete_next_character():
             curr_line.length -= 1
             cursor.want_col = cursor.col
 
+def buffer_insert_char(c):
+    cursor = ctx.current_buffer.cursor
+    curr_line = buffer_line_current(ctx.current_buffer)
+    curr_line.piece.insert(c, cursor.col)
+    curr_line.length += 1
+    cursor.col += 1
+    cursor.want_col = cursor.col
+
 def buffer_insert_text_at_cursor(text):
     cursor = ctx.current_buffer.cursor
     curr_line = buffer_line_current(ctx.current_buffer)

fide.py

@@ -57,7 +57,7 @@ def buffer_total_lines(buf: Buffer) -> int:
     return len(buf.lines)
 
 def buffer_line_len(buf: Buffer) -> int:
-    return buffer_line_current(buf).length 
+    return buffer_line_current(buf).length
 
 def translate_keyname(keyname: str) -> str:
     match keyname:
@@ -133,10 +133,19 @@ def main():
                 cursor_flash = 0
                 curr_line = buffer_line_current(current_buffer)
                 if event.mod == 64: # Right Ctrl
-                    if event.key == pg.K_e:
-                        cursor_go_end_line()
-                    if event.key == pg.K_a:
-                        cursor_go_beginning_line()
+                    # this is inefficient, might as well just pass the mod number
+                    # and make the mapping mod_num -> config_key
+                    mod_key = translate_keyname('left ctrl')
+
+                    if event.unicode:
+                        # print(mod_key, event.key, event.unicode)
+                        key = mod_key + pg.key.name(event.key)
+                        if key in keymap:
+                            keymap[key]()
+                    # if event.key == pg.K_e:
+                    #     cursor_go_line_end()
+                    # if event.key == pg.K_a:
+                    #     cursor_go_line_beginning()
                     if event.key == pg.K_RETURN:
                         src = buffer_line_current(current_buffer).piece.get_text()
                         # try:
@@ -144,6 +153,8 @@ def main():
                         # except:
                         #     print('error evaluating line: ' + src[3:])
                         console.runsource(src[3:])
+                elif pg.key.name(event.key) == 'escape':
+                    pass
                 elif event.key == pg.K_RETURN:
                     buffer_newline_at_pos()
                 elif event.key == pg.K_BACKSPACE:
@@ -155,10 +166,7 @@ def main():
                     # pass
                 # elif event.mod < 2:
                 elif event.unicode:
-                    curr_line.piece.insert(event.unicode, cursor.col)
-                    curr_line.length += 1
-                    cursor.col += 1
-                    cursor.want_col = cursor.col
+                    buffer_insert_char(event.unicode)
 
         for i,curr_line in enumerate(current_buffer.lines):
             render = text_renderer.render(curr_line.piece.get_text(), True, 'black')