support XK_ISO_Level3_Shift and XK_ISO_Level5_Shift

Author: MaxGyver83

deps/chromium/keyboard_codes.h

@@ -14,7 +14,10 @@ enum KeyModifierMask {
   kControlKeyModifierMask = 1 << 1,
   kMetaKeyModifierMask = 1 << 2,
   kShiftKeyModifierMask = 1 << 3,
-  kNumLockKeyModifierMask = 1 << 4
+  kNumLockKeyModifierMask = 1 << 4,
+  kLevel3KeyModifierMask = 1 << 5,
+  kLevel5KeyModifierMask = 1 << 6
 };
 
-#endif  // UI_EVENTS_KEYCODES_KEYBOARD_CODES_H_
+#endif  // UI_EVENTS_KEYCODES_KEYBOARD_CODES_H_
+

package.json

@@ -1,6 +1,6 @@
 {
   "name": "native-keymap",
-  "version": "2.1.2",
+  "version": "2.2.0",
   "description": "Get OS key mapping",
   "main": "index.js",
   "typings": "index.d.ts",

src/keyboard_x.cc

@@ -31,6 +31,8 @@ class KeyModifierMaskToXModifierMask {
     meta_modifier = 0;
     num_lock_modifier = 0;
     mode_switch_modifier = 0;
+    level3_modifier = 0;  // AltGr is often mapped to the level3 modifier
+    level5_modifier = 0;  // AltGr is mapped to the level5 modifier in the Neo layout family
 
     if (!display) {
       return;
@@ -50,8 +52,6 @@ class KeyModifierMaskToXModifierMask {
           continue;
         }
 
-        // TODO: Also check for XK_ISO_Level3_Shift	0xFE03
-
         if (keysym == XK_Alt_L || keysym == XK_Alt_R) {
           alt_modifier = 1 << mod_index;
         }
@@ -64,6 +64,12 @@ class KeyModifierMaskToXModifierMask {
         if (keysym == XK_Num_Lock) {
           num_lock_modifier = 1 << mod_index;
         }
+        if (keysym == XK_ISO_Level3_Shift) {
+          level3_modifier = 1 << mod_index;
+        }
+        if (keysym == XK_ISO_Level5_Shift) {
+          level5_modifier = 1 << mod_index;
+        }
       }
     }
 
@@ -94,6 +100,14 @@ class KeyModifierMaskToXModifierMask {
       x_modifier |= num_lock_modifier;
     }
 
+    if (keyMod & kLevel3KeyModifierMask) {
+      x_modifier |= level3_modifier;
+    }
+
+    if (keyMod & kLevel5KeyModifierMask) {
+      x_modifier |= level5_modifier;
+    }
+
     return x_modifier;
   }
 
@@ -106,6 +120,8 @@ class KeyModifierMaskToXModifierMask {
   int meta_modifier;
   int num_lock_modifier;
   int mode_switch_modifier;
+  int level3_modifier;
+  int level5_modifier;
 
   DISALLOW_COPY_AND_ASSIGN(KeyModifierMaskToXModifierMask);
 };
@@ -181,17 +197,31 @@ napi_value _GetKeyMap(napi_env env, napi_callback_info info) {
     }
 
     {
-      key_event->state = mask_provider->XModFromKeyMod(kControlKeyModifierMask | kAltKeyModifierMask);
+      key_event->state = mask_provider->XModFromKeyMod(kLevel3KeyModifierMask);
       std::string withAltGr = GetStrFromXEvent(&event);
       NAPI_CALL(env, napi_set_named_property_string_utf8(env, entry, "withAltGr", withAltGr.c_str()));
     }
 
     {
-      key_event->state = mask_provider->XModFromKeyMod(kShiftKeyModifierMask | kControlKeyModifierMask | kAltKeyModifierMask);
+      key_event->state = mask_provider->XModFromKeyMod(kShiftKeyModifierMask | kLevel3KeyModifierMask);
       std::string withShiftAltGr = GetStrFromXEvent(&event);
       NAPI_CALL(env, napi_set_named_property_string_utf8(env, entry, "withShiftAltGr", withShiftAltGr.c_str()));
     }
 
+    {
+      // level 5 is important for the Neo layout family
+      key_event->state = mask_provider->XModFromKeyMod(kLevel5KeyModifierMask);
+      std::string withLevel5 = GetStrFromXEvent(&event);
+      NAPI_CALL(env, napi_set_named_property_string_utf8(env, entry, "withLevel5", withLevel5.c_str()));
+    }
+
+    {
+      // level3 + level5 is Level 6 in terms of the Neo layout family. (Shift + level5 has no special meaning.)
+      key_event->state = mask_provider->XModFromKeyMod(kLevel3KeyModifierMask | kLevel5KeyModifierMask);
+      std::string withLevel3Level5 = GetStrFromXEvent(&event);
+      NAPI_CALL(env, napi_set_named_property_string_utf8(env, entry, "withLevel3Level5", withLevel3Level5.c_str()));
+    }
+
     NAPI_CALL(env, napi_set_named_property(env, result, code, entry));
   }