Add macos keybindings

Thanks to @mathewmariani, modifications taken from his lite-macos repository

data/core/keymap-macos.lua

@@ -0,0 +1,107 @@
+local function keymap_macos(keymap)
+  keymap.add {
+    ["cmd+shift+p"] = "core:find-command",
+    ["cmd+p"] = "core:find-file",
+    ["cmd+o"] = "core:open-file",
+    ["cmd+n"] = "core:new-doc",
+    ["cmd+shift+c"] = "core:change-project-folder",
+    ["cmd+shift+o"] = "core:open-project-folder",
+    ["alt+return"] = "core:toggle-fullscreen",
+
+    ["alt+shift+j"] = "root:split-left",
+    ["alt+shift+l"] = "root:split-right",
+    ["alt+shift+i"] = "root:split-up",
+    ["alt+shift+k"] = "root:split-down",
+    ["alt+j"] = "root:switch-to-left",
+    ["alt+l"] = "root:switch-to-right",
+    ["alt+i"] = "root:switch-to-up",
+    ["alt+k"] = "root:switch-to-down",
+
+    ["cmd+w"] = "root:close",
+    ["cmd+tab"] = "root:switch-to-next-tab",
+    ["cmd+shift+tab"] = "root:switch-to-previous-tab",
+    ["cmd+pageup"] = "root:move-tab-left",
+    ["cmd+pagedown"] = "root:move-tab-right",
+    ["alt+1"] = "root:switch-to-tab-1",
+    ["alt+2"] = "root:switch-to-tab-2",
+    ["alt+3"] = "root:switch-to-tab-3",
+    ["alt+4"] = "root:switch-to-tab-4",
+    ["alt+5"] = "root:switch-to-tab-5",
+    ["alt+6"] = "root:switch-to-tab-6",
+    ["alt+7"] = "root:switch-to-tab-7",
+    ["alt+8"] = "root:switch-to-tab-8",
+    ["alt+9"] = "root:switch-to-tab-9",
+
+    ["cmd+f"] = "find-replace:find",
+    ["cmd+r"] = "find-replace:replace",
+    ["f3"] = "find-replace:repeat-find",
+    ["shift+f3"] = "find-replace:previous-find",
+    ["cmd+g"] = "doc:go-to-line",
+    ["cmd+s"] = "doc:save",
+    ["cmd+shift+s"] = "doc:save-as",
+
+    ["cmd+z"] = "doc:undo",
+    ["cmd+y"] = "doc:redo",
+    ["cmd+x"] = "doc:cut",
+    ["cmd+c"] = "doc:copy",
+    ["cmd+v"] = "doc:paste",
+    ["cmd+insert"] = "doc:copy",
+    ["shift+insert"] = "doc:paste",
+    ["escape"] = { "command:escape", "doc:select-none", "dialog:select-no" },
+    ["tab"] = { "command:complete", "doc:indent" },
+    ["shift+tab"] = "doc:unindent",
+    ["backspace"] = "doc:backspace",
+    ["shift+backspace"] = "doc:backspace",
+    ["cmd+backspace"] = "doc:delete-to-previous-word-start",
+    ["cmd+shift+backspace"] = "doc:delete-to-previous-word-start",
+    ["delete"] = "doc:delete",
+    ["shift+delete"] = "doc:delete",
+    ["cmd+delete"] = "doc:delete-to-next-word-end",
+    ["cmd+shift+delete"] = "doc:delete-to-next-word-end",
+    ["return"] = { "command:submit", "doc:newline", "dialog:select" },
+    ["keypad enter"] = { "command:submit", "doc:newline", "dialog:select" },
+    ["cmd+return"] = "doc:newline-below",
+    ["cmd+shift+return"] = "doc:newline-above",
+    ["cmd+j"] = "doc:join-lines",
+    ["cmd+a"] = "doc:select-all",
+    ["cmd+d"] = { "find-replace:select-next", "doc:select-word" },
+    ["cmd+l"] = "doc:select-lines",
+    ["cmd+/"] = "doc:toggle-line-comments",
+    ["cmd+up"] = "doc:move-lines-up",
+    ["cmd+down"] = "doc:move-lines-down",
+    ["cmd+shift+d"] = "doc:duplicate-lines",
+    ["cmd+shift+k"] = "doc:delete-lines",
+
+    ["left"] = { "doc:move-to-previous-char", "dialog:previous-entry" },
+    ["right"] = { "doc:move-to-next-char", "dialog:next-entry"},
+    ["up"] = { "command:select-previous", "doc:move-to-previous-line" },
+    ["down"] = { "command:select-next", "doc:move-to-next-line" },
+    ["cmd+left"] = "doc:move-to-previous-word-start",
+    ["cmd+right"] = "doc:move-to-next-word-end",
+    ["cmd+["] = "doc:move-to-previous-block-start",
+    ["cmd+]"] = "doc:move-to-next-block-end",
+    ["home"] = "doc:move-to-start-of-line",
+    ["end"] = "doc:move-to-end-of-line",
+    ["cmd+home"] = "doc:move-to-start-of-doc",
+    ["cmd+end"] = "doc:move-to-end-of-doc",
+    ["pageup"] = "doc:move-to-previous-page",
+    ["pagedown"] = "doc:move-to-next-page",
+
+    ["shift+left"] = "doc:select-to-previous-char",
+    ["shift+right"] = "doc:select-to-next-char",
+    ["shift+up"] = "doc:select-to-previous-line",
+    ["shift+down"] = "doc:select-to-next-line",
+    ["cmd+shift+left"] = "doc:select-to-previous-word-start",
+    ["cmd+shift+right"] = "doc:select-to-next-word-end",
+    ["cmd+shift+["] = "doc:select-to-previous-block-start",
+    ["cmd+shift+]"] = "doc:select-to-next-block-end",
+    ["shift+home"] = "doc:select-to-start-of-line",
+    ["shift+end"] = "doc:select-to-end-of-line",
+    ["cmd+shift+home"] = "doc:select-to-start-of-doc",
+    ["cmd+shift+end"] = "doc:select-to-end-of-doc",
+    ["shift+pageup"] = "doc:select-to-previous-page",
+    ["shift+pagedown"] = "doc:select-to-next-page",
+  }
+end
+
+return keymap_macos

data/core/keymap.lua

@@ -5,16 +5,12 @@ keymap.modkeys = {}
 keymap.map = {}
 keymap.reverse_map = {}
 
-local modkey_map = {
+local macos = rawget(_G, "MACOS_RESOURCES")
-  ["left ctrl"]   = "ctrl",
-  ["right ctrl"]  = "ctrl",
-  ["left shift"]  = "shift",
-  ["right shift"] = "shift",
-  ["left alt"]    = "alt",
-  ["right alt"]   = "altgr",
-}
 
-local modkeys = { "ctrl", "alt", "altgr", "shift" }
+-- Thanks to mathewmariani, taken from his lite-macos github repository.
+local modkeys_os = require("core.modkeys-" .. (macos and "macos" or "generic"))
+local modkey_map = modkeys_os.map
+local modkeys = modkeys_os.keys
 
 local function key_to_stroke(k)
   local stroke = ""
@@ -83,6 +79,12 @@ function keymap.on_key_released(k)
 end
 
 
+if macos then
+  local keymap_macos = require("core.keymap-macos")
+  keymap_macos(keymap)
+  return keymap
+end
+
 keymap.add {
   ["ctrl+shift+p"] = "core:find-command",
   ["ctrl+p"] = "core:find-file",

data/core/modkeys-generic.lua

@@ -0,0 +1,14 @@
+local modkeys = {}
+
+modkeys.map = {
+  ["left ctrl"]   = "ctrl",
+  ["right ctrl"]  = "ctrl",
+  ["left shift"]  = "shift",
+  ["right shift"] = "shift",
+  ["left alt"]    = "alt",
+  ["right alt"]   = "altgr",
+}
+
+modkeys.keys = { "ctrl", "alt", "altgr", "shift" }
+
+return modkeys

data/core/modkeys-macos.lua

@@ -0,0 +1,18 @@
+local modkeys = {}
+
+modkeys.map = {
+  ["left command"]   = "cmd",
+  ["right command"]  = "cmd",
+  ["left ctrl"]      = "ctrl",
+  ["right ctrl"]     = "ctrl",
+  ["left shift"]     = "shift",
+  ["right shift"]    = "shift",
+  ["left option"]    = "option",
+  ["right option"]   = "option",
+  ["left alt"]       = "alt",
+  ["right alt"]      = "altgr",
+}
+
+modkeys.keys = { "cmd", "ctrl", "alt", "option", "altgr", "shift" }
+
+return modkeys