Keymap stacks work as expected with proper fallthrough emulating normal/insert

config.py

@@ -7,7 +7,10 @@ kb('insert', 'up'   , cursor_go_up)
 kb('insert', 'down' , cursor_go_down)
 kb('insert', 'C-e'  , cursor_go_line_end)
 kb('insert', 'C-a'  , cursor_go_line_beginning)
-kb('insert', 'escape', lambda: push(keymappings['normal']))
+kb('insert', 'escape', lambda: keymap_push(keymappings['normal']))
+kb('insert', 'backspace', buffer_delete_character_under_cursor)
+kb('insert', 'delete', buffer_delete_next_character)
+kb('insert', 'return', buffer_newline_at_pos)
 kb('normal', 'i', keymap_pop)
 kb('normal', 'H', cursor_go_buffer_beginning)
 kb('normal', 'L', cursor_go_buffer_end)

fide.py

@@ -117,50 +117,35 @@ def main():
                 curr_line = buffer_line_current(current_buffer)
                 kb_to_test = Keybinding(pg.key.name(event.key), event.mod)
                 # print(kb_to_test, event.key, pg.key.name(event.key))
+                passthrough = True
                 for i in range(len(keymap_stack) - 1, -1, -1):
                     keymap = keymap_stack[i]
-                    # check if a modifier is pressed
                     if kb_to_test in keymap.mapping:
                         keymap.mapping[kb_to_test]()
-                    # if mod_key and event.unicode:
-                    #     print(mod_key + pg.key.name(event.key))
-                        # print(pg.key.name(event.key))
-
-                # if event.mod == 64: # Right Ctrl
-                #     # 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 keymappings[current_buffer.mode]:
-                #             keymappings[current_buffer.mode][key]()
-                #     # if event.key == pg.K_e:
-                #     #     cursor_go_line_end()
-                #     # if event.key == pg.K_a:
-                #     #     cursor_go_line_beginning()
+                        if not keymap.pinned:
+                            keymap_stack.pop()
+                            break
+                        passthrough = False
+                    else:
+                        if keymap.pop_not_found:
+                            keymap_stack.pop()
+                        else:
+                            print(f"{kb_to_test} not found")
+                        if not keymap.fallthrough:
+                            passthrough = False
+                            break
+                # No keybinding found so send the directly to the buffer
+                # I think emacs instead binds every key to a function that sends the
+                # letter, we can evaluate if that's better later on
+                if passthrough and event.mod < 2 and event.unicode:
+                    buffer_insert_char(event.unicode)
                 # if event.key == pg.K_RETURN:
                 #     src = buffer_line_current(current_buffer).piece.get_text()
-                #         # try:
-                #         #     eval(src[3:])
-                #         # except:
-                #         #     print('error evaluating line: ' + src[3:])
+                    # try:
+                    #     eval(src[3:])
+                    # 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:
-                #     buffer_delete_character_under_cursor()
-                # elif event.key == pg.K_DELETE:
-                #     buffer_delete_next_character()
-                # elif pg.key.name(event.key) in keymappings[current_buffer.mode]:
-                #     keymappings[current_buffer.mode][pg.key.name(event.key)]()
-                    # pass
-                # elif event.mod < 2:
-                # elif event.unicode:
-                #     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')

keybindings.py

@@ -11,7 +11,7 @@ class Keybinding:
 class Keymap:
     name: str
     pinned: bool
-    passthrough: bool
+    fallthrough: bool
     pop_not_found: bool
     mapping: Dict[[int,str],Callable] = field(default_factory=dict)
 
@@ -74,14 +74,15 @@ def parse_keybinding(keybinding: str) -> str:
             modifiers |= 1
             key = key.lower()
         if not key.isalnum():
+            modifiers |= 1
             key = symbol_to_num(key)
 
     return Keybinding(key, modifiers)
 
 
 keymap_stack = [
-    Keymap('insert', pinned=True, passthrough=False, pop_not_found=False),
-    Keymap('normal', pinned=True, passthrough=False, pop_not_found=False),
+    Keymap('insert', pinned=True, fallthrough=True, pop_not_found=False),
+    Keymap('normal', pinned=True, fallthrough=False, pop_not_found=False),
 ]
 
 keymappings = {
@@ -94,7 +95,7 @@ def kb(mode: str, binding: str, f: Callable):
     keymappings[mode].mapping[b] = f
 
 def keymap_push(keymap: Keymap):
-    keymap_stack.append(keymap_push)
+    keymap_stack.append(keymap)
 
 def keymap_pop():
     keymap_stack.pop()