add InputSourceSwitch

Source/InputSourceSwitch.spoon/init.lua

@@ -0,0 +1,98 @@
+--- === InputSourceSwitch ===
+---
+--- Automatically switch the input source when switching applications.
+---
+--- Example:
+--- ```
+--- hs.loadSpoon("InputSourceSwitch")
+---
+--- spoon.InputSourceSwitch:setApplications({
+---     ["WeChat"] = "Pinyin - Simplified",
+---     ["Mail"] = "ABC"
+--- })
+---
+--- spoon.InputSourceSwitch:start()
+--- ```
+---
+--- Download: [https://github.com/Hammerspoon/Spoons/raw/master/Spoons/InputSourceSwitch.spoon.zip](https://github.com/Hammerspoon/Spoons/raw/master/Spoons/InputSourceSwitch.spoon.zip)
+
+local obj = {}
+obj.__index = obj
+
+-- Metadata
+obj.name = "InputSourceSwitch"
+obj.version = "1.0"
+obj.author = "eks5115 <[email protected]>"
+obj.homepage = "https://github.com/Hammerspoon/Spoons"
+obj.license = "MIT - https://opensource.org/licenses/MIT"
+
+local log = hs.logger.new('InputSourceSwitch','debug')
+log.d('Init')
+
+-- Internal function used to get enabled input sources
+local function getEnabledInputSourcesMap()
+    local map = {}
+    local handle = io.popen(hs.configdir.."/Spoons/InputSourceSwitch.spoon/bin/InputSourceSelector list-enabled")
+    for line in handle:lines() do
+        local v, k = string.match(line, "(%S+) %((.+)%)")
+        map[k] = v
+    end
+    handle:close()
+    return map
+end
+
+local function setAppInputSource(appName, sourceID, event)
+    -- hs.window.filter.windowCreated
+    event = event or hs.window.filter.windowFocused
+
+    hs.window.filter.new(appName):subscribe(event, function()
+        r = hs.keycodes.currentSourceID(sourceID)
+    end)
+end
+
+--- InputSourceSwitch.inputSourceMap
+--- Variable
+--- Mapping the input source to the source id
+---
+--- Default value: enabled input sources
+obj.inputSourcesMap = getEnabledInputSourcesMap()
+
+--- InputSourceSwitch.applicationMap
+--- Variable
+--- Mapping the application name to the input source
+obj.applicationsMap = {}
+
+--- InputSourceSwitch:setApplications()
+--- Method
+--- Set that mapping the application name to the input source
+---
+--- Parameters:
+---  * applications - A table containing that mapping the application name to the input source
+---     key is the application name and value is the input source name
+---     example:
+--- ```
+--- {
+---     ["WeChat"] = "Pinyin - Simplified",
+---     ["Mail"] = "ABC"
+--- }
+--- ```
+function obj:setApplications(applications)
+    for key, value in pairs(applications) do
+        obj.applicationsMap[key] = value
+    end
+end
+
+--- InputSourceSwitch:start()
+--- Method
+--- Start InputSourceSwitch
+---
+--- Parameters:
+---  * None
+function obj:start()
+    for k,v in pairs(self.applicationsMap) do
+        setAppInputSource(k, self.inputSourcesMap[v])
+    end
+    return self
+end
+
+return obj