continued rearrangement

data/xkb_keycodes_template

@@ -3,6 +3,5 @@
 default xkb_keycodes "basic" {{
     minimum = {minimum};
     maximum = {maximum};
-    include "evdev"
     {xkb_keycodes}
 }};

data/xkb_symbols_template

@@ -4,7 +4,6 @@
 // /usr/share/X11/xkb/keycodes/key-mapper
 
 default xkb_symbols "basic" {{
-    include "{system_default}"
     name[Group1] = "{name}";
     {xkb_symbols}
 }};

keymapper/X.py

@@ -102,7 +102,6 @@ def create_setxkbmap_config(device, preset):
     device : string
     preset : string
     """
-    print('create_setxkbmap_config', len(mapping), mapping._mapping)
     if len(mapping) == 0:
         logger.debug('Got empty mappings')
         return None
@@ -175,9 +174,7 @@ def create_identity_mapping():
     # and the minimum 8
     maximum = 255
     minimum = 8
-    for keycode, _ in mapping:
-        # only those keys that are in the mapping, so that the others
-        # get mappings from the default keyboard.
+    for keycode in range(minimum, maximum + 1):
         xkb_keycodes.append(f'<{keycode}> = {keycode};')
 
     template_path = get_data_path('xkb_keycodes_template')
@@ -191,7 +188,7 @@ def create_identity_mapping():
     )
 
     if not os.path.exists(KEYCODES_PATH):
-        logger.info('Creating "%s"', KEYCODES_PATH)
+        logger.debug('Creating "%s"', KEYCODES_PATH)
         os.makedirs(os.path.dirname(KEYCODES_PATH), exist_ok=True)
         os.mknod(KEYCODES_PATH)
     with open(KEYCODES_PATH, 'w') as keycodes:
@@ -208,8 +205,6 @@ def generate_symbols_content(device, preset):
     device : string
     preset : string
     """
-    system_default = 'us'  # TODO get the system default
-
     if len(mapping) == 0:
         raise ValueError('Mapping is empty')
 
@@ -224,7 +219,7 @@ def generate_symbols_content(device, preset):
     for keycode, character in mapping:
         if f'<{keycode}>' not in keycodes:
             logger.error(f'Unknown keycode <{keycode}> for "{character}"')
-            # continue, otherwise X would crash when loading
+            # don't append that one, otherwise X would crash when loading
             continue
         xkb_symbols.append(f'key <{keycode}> {{ [ {character} ] }};')
     if len(xkb_symbols) == 0:
@@ -237,8 +232,7 @@ def generate_symbols_content(device, preset):
 
     result = template.format(
         name=f'{device}/{preset}',
-        xkb_symbols='\n    '.join(xkb_symbols),
-        system_default=system_default
+        xkb_symbols='\n    '.join(xkb_symbols)
     )
 
     return result
@@ -260,3 +254,27 @@ def get_xinput_id_mapping():
     names = [name for name in names if name != '']
     ids = [int(id) for id in ids if id != '']
     return zip(names, ids)
+
+
+def parse_symbols_file(device, preset):
+    """Parse a symbols file and return the keycodes."""
+    path = get_home_path(device, preset)
+
+    if not os.path.exists(path):
+        logger.debug(
+            'Tried to load non existing preset "%s" for %s',
+            preset, device
+        )
+        mapping.empty()
+        mapping.changed = False
+        return
+
+    with open(path, 'r') as f:
+        # from "key <12> { [ 1 ] };" extract 12 and 1,
+        # avoid lines that start with special characters
+        # (might be comments)
+        result = re.findall(r'\n\s+?key <(.+?)>.+?\[\s+(\w+)', f.read())
+        logger.debug('Found %d mappings in this preset', len(result))
+        for keycode, character in result:
+            mapping.changed = False
+            mapping.change(None, int(keycode), character)

keymapper/gtk/window.py

@@ -29,7 +29,7 @@ from gi.repository import Gtk, Gdk, GLib
 
 from keymapper.data import get_data_path
 from keymapper.X import create_setxkbmap_config, apply_preset, \
-    create_preset, mapping
+    create_preset, mapping, parse_symbols_file
 from keymapper.presets import get_presets, find_newest_preset, \
     delete_preset, rename_preset
 from keymapper.logger import logger
@@ -141,6 +141,7 @@ class Window:
         """Remove all rows from the mappings table."""
         key_list = self.get('key_list')
         key_list.forall(key_list.remove)
+        mapping.empty()
 
     def on_save_preset_clicked(self, button):
         """Save changes to a preset to the file system."""
@@ -215,10 +216,7 @@ class Window:
         logger.debug('Selecting preset "%s"', preset)
 
         self.selected_preset = preset
-        mapping.load(
-            self.selected_device,
-            self.selected_preset
-        )
+        parse_symbols_file(self.selected_device, self.selected_preset)
 
         key_list = self.get('key_list')
         for keycode, character in mapping:

keymapper/mapping.py

@@ -19,13 +19,9 @@
 # along with key-mapper.  If not, see <https://www.gnu.org/licenses/>.
 
 
-"""TODO"""
+"""Contains and manages mappings."""
 
 
-import os
-import re
-
-from keymapper.paths import get_home_path
 from keymapper.logger import logger
 
 
@@ -46,34 +42,6 @@ class Mapping:
     def __len__(self):
         return len(self._mapping)
 
-    def load(self, device, preset):
-        """Parse the X config to replace the current mapping with that one."""
-        # TODO put that logic out of the mapper to make mapper display server
-        #   agnostic
-        path = get_home_path(device, preset)
-
-        if not os.path.exists(path):
-            logger.debug(
-                'Tried to load non existing preset "%s" for %s',
-                preset, device
-            )
-            self._mapping = {}
-            return
-
-        with open(path, 'r') as f:
-            # from "key <12> { [ 1 ] };" extract 12 and 1,
-            # avoid lines that start with special characters
-            # (might be comments)
-            result = re.findall(r'\n\s+?key <(.+?)>.+?\[\s+(\w+)', f.read())
-            logger.debug('Found %d mappings in this preset', len(result))
-            self._mapping = {
-                int(keycode): character
-                for keycode, character
-                in result
-            }
-
-        self.changed = False
-
     def change(self, previous_keycode, new_keycode, character):
         """Replace the mapping of a keycode with a different one.
 

keymapper/x11/__init__.py

@@ -1,19 +0,0 @@
-#!/usr/bin/python3
-# -*- coding: utf-8 -*-
-# key-mapper - GUI for device specific keyboard mappings
-# Copyright (C) 2020 sezanzeb <proxima@hip70890b.de>
-#
-# This file is part of key-mapper.
-#
-# key-mapper is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# key-mapper is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with key-mapper.  If not, see <https://www.gnu.org/licenses/>.

tests/testcases/config.py

@@ -75,11 +75,8 @@ class TestConfig(unittest.TestCase):
         self.assertTrue(os.path.exists(KEYCODES_PATH))
         with open(KEYCODES_PATH, 'r') as f:
             keycodes = f.read()
-            self.assertNotIn('<9> = 9;', keycodes)
-            self.assertIn('<10> = 10;', keycodes)
-            self.assertIn('<11> = 11;', keycodes)
-            self.assertIn('<12> = 12;', keycodes)
-            self.assertNotIn('<13> = 13;', keycodes)
+            self.assertIn('<8> = 8;', keycodes)
+            self.assertIn('<255> = 255;', keycodes)
 
         content = generate_symbols_content('device', 'preset')
         self.assertIn('key <10> { [ a ] };', content)