plugins: added settings gui support

data/plugins/autocomplete.lua

@@ -20,7 +20,55 @@ config.plugins.autocomplete = common.merge({
   -- Maximum amount of symbols to cache per document
   max_symbols = 4000,
   -- Font size of the description box
-  desc_font_size = 12
+  desc_font_size = 12,
+  -- The config specification used by gui generators
+  config_spec = {
+    name = "Autocomplete",
+    {
+      label = "Minimum Length",
+      description = "Amount of characters that need to be written for autocomplete to popup.",
+      path = "min_len",
+      type = "number",
+      default = 3,
+      min = 1,
+      max = 5
+    },
+    {
+      label = "Maximum Height",
+      description = "The maximum amount of visible items.",
+      path = "max_height",
+      type = "number",
+      default = 6,
+      min = 1,
+      max = 20
+    },
+    {
+      label = "Maximum Suggestions",
+      description = "The maximum amount of scrollable items.",
+      path = "max_suggestions",
+      type = "number",
+      default = 100,
+      min = 10,
+      max = 10000
+    },
+    {
+      label = "Maximum Symbols",
+      description = "Maximum amount of symbols to cache per document.",
+      path = "max_symbols",
+      type = "number",
+      default = 4000,
+      min = 1000,
+      max = 10000
+    },
+    {
+      label = "Description Font Size",
+      description = "Font size of the description box.",
+      path = "desc_font_size",
+      type = "number",
+      default = 12,
+      min = 8
+    }
+  }
 }, config.plugins.autocomplete)
 
 local autocomplete = {}

data/plugins/autoreload.lua

@@ -8,7 +8,17 @@ local common = require "core.common"
 local dirwatch = require "core.dirwatch"
 
 config.plugins.autoreload = common.merge({
-  always_show_nagview = false
+  always_show_nagview = false,
+  config_spec = {
+    name = "Autoreload",
+    {
+      label = "Always Show Nagview",
+      description = "Alerts you if an opened file changes externally even if you haven't modified it.",
+      path = "always_show_nagview",
+      type = "toggle",
+      default = false
+    }
+  }
 }, config.plugins.autoreload)
 
 local watch = dirwatch.new()

data/plugins/linewrapping.lua

@@ -22,7 +22,50 @@ config.plugins.linewrapping = common.merge({
   -- Whether or not to enable wrapping by default when opening files.
   enable_by_default = false,
   -- Requires tokenization
-  require_tokenization = false
+  require_tokenization = false,
+  -- The config specification used by gui generators
+  config_spec = {
+    name = "Line Wrapping",
+    {
+      label = "Mode",
+      description = "The type of wrapping to perform.",
+      path = "mode",
+      type = "selection",
+      default = "letter",
+      values = {
+        {"Letters", "letter"},
+        {"Words", "word"}
+      }
+    },
+    {
+      label = "Guide",
+      description = "Whether or not to draw a guide.",
+      path = "guide",
+      type = "toggle",
+      default = true
+    },
+    {
+      label = "Indent",
+      description = "Whether or not to follow the indentation of wrapped line.",
+      path = "indent",
+      type = "toggle",
+      default = true
+    },
+    {
+      label = "Enable by Default",
+      description = "Whether or not to enable wrapping by default when opening files.",
+      path = "enable_by_default",
+      type = "toggle",
+      default = false
+    },
+    {
+      label = "Require Tokenization",
+      description = "Use tokenization when applying wrapping.",
+      path = "require_tokenization",
+      type = "toggle",
+      default = false
+    }
+  }
 }, config.plugins.linewrapping)
 
 local LineWrapping = {}

data/plugins/scale.lua

@@ -9,8 +9,43 @@ local RootView = require "core.rootview"
 local CommandView = require "core.commandview"
 
 config.plugins.scale = common.merge({
+  -- The method used to apply the scaling: "code", "ui"
   mode = "code",
-  use_mousewheel = true
+  -- Allow using CTRL + MouseWheel for changing the scale.
+  use_mousewheel = true,
+  -- The config specification used by gui generators
+  config_spec = {
+    name = "Scale",
+    {
+      label = "Mode",
+      description = "The method used to apply the scaling.",
+      path = "mode",
+      type = "selection",
+      default = "code",
+      values = {
+        {"Code Only", "code"},
+        {"Everything", "ui"}
+      }
+    },
+    {
+      label = "Use MouseWheel",
+      description = "Allow using CTRL + MouseWheel for changing the scale.",
+      path = "use_mousewheel",
+      type = "toggle",
+      default = true,
+      on_apply = function(enabled)
+        if enabled then
+          keymap.add {
+            ["ctrl+wheelup"] = "scale:increase",
+            ["ctrl+wheeldown"] = "scale:decrease"
+          }
+        else
+          keymap.unbind("ctrl+wheelup", "scale:increase")
+          keymap.unbind("ctrl+wheeldown", "scale:decrease")
+        end
+      end
+    }
+  }
 }, config.plugins.scale)
 
 local scale_steps = 0.05
@@ -89,11 +124,16 @@ command.add(nil, {
 keymap.add {
   ["ctrl+0"] = "scale:reset",
   ["ctrl+-"] = "scale:decrease",
-  ["ctrl+="] = "scale:increase",
+  ["ctrl+="] = "scale:increase"
-  ["ctrl+wheelup"] = "scale:increase",
-  ["ctrl+wheeldown"] = "scale:decrease"
 }
 
+if config.plugins.scale.use_mousewheel then
+  keymap.add {
+    ["ctrl+wheelup"] = "scale:increase",
+    ["ctrl+wheeldown"] = "scale:decrease"
+  }
+end
+
 return {
   ["set"] = set_scale,
   ["get"] = get_scale,

data/plugins/treeview.lua

@@ -762,6 +762,38 @@ keymap.add {
   ["ctrl+lclick"] = "treeview:new-folder"
 }
 
+-- The config specification used by gui generators
+config.plugins.treeview.config_spec = {
+  name = "Treeview",
+  {
+    label = "Size",
+    description = "Default treeview width.",
+    path = "size",
+    type = "number",
+    default = math.ceil(toolbar_view:get_min_width() / SCALE),
+    min = toolbar_view:get_min_width() / SCALE,
+    get_value = function(value)
+      return value / SCALE
+    end,
+    set_value = function(value)
+      return value * SCALE
+    end,
+    on_apply = function(value)
+      view:set_target_size("x", math.max(value, toolbar_view:get_min_width()))
+    end
+  },
+  {
+    label = "Hide on Startup",
+    description = "Show or hide the treeview on startup.",
+    path = "visible",
+    type = "toggle",
+    default = false,
+    on_apply = function(value)
+      view.visible = not value
+    end
+  }
+}
+
 -- Return the treeview with toolbar and contextmenu to allow
 -- user or plugin modifications
 view.toolbar = toolbar_view