Merge pull request #71 from SwissalpS/proposeScaleStatus

Propose scale status

3 files changed, 54 insertions, 1 deletions

diff --git a/README.md b/README.md
index 1b12458..40f2319 100644
--- a/README.md
+++ b/README.md
@@ -67,6 +67,7 @@ Plugin | Description
 [`openfilelocation`](plugins/openfilelocation.lua?raw=1) | Opens the parent directory of the current file in the file manager
 [`openselected`](plugins/openselected.lua?raw=1) | Opens the selected filename or url
 [`scale`](plugins/scale.lua?raw=1) | Provides support for dynamically adjusting the scale of the code font / UI (`ctrl+-`, `ctrl+=`)
+[`scalestatus`](plugins/scalestatus.lua?raw=1) | Displays current scale (zoom) in status view (depends on scale plugin)
 [`selectionhighlight`](plugins/selectionhighlight.lua?raw=1) | Highlights regions of code that match the current selection *([screenshot](https://user-images.githubusercontent.com/3920290/80710883-5f597c80-8ae7-11ea-97f0-76dfacc08439.png))*
 [`sort`](plugins/sort.lua?raw=1) | Sorts selected lines alphabetically
 [`spellcheck`](plugins/spellcheck.lua?raw=1) | Underlines misspelt words *([screenshot](https://user-images.githubusercontent.com/3920290/79923973-9caa7400-842e-11ea-85d4-7a196a91ca50.png))* *— note: on Windows a [`words.txt`](https://github.com/dwyl/english-words/blob/master/words.txt) dictionary file must be placed beside the exe*
diff --git a/plugins/scale.lua b/plugins/scale.lua
index 95c4009..d3e10e8 100644
--- a/plugins/scale.lua
+++ b/plugins/scale.lua
@@ -1,3 +1,9 @@
+--[[
+    scale.lua
+    provides support for dynamically adjusting the scale of the code font / UI
+    version: 20200628_154010
+    originally by 6r1d
+--]]
 local core = require "core"
 local common = require "core.common"
 local command = require "core.command"
@@ -35,6 +41,10 @@ end
 local current_scale = SCALE
 local default = current_scale
 
+
+local function get_scale() return current_scale end
+
+
 local function set_scale(scale)
   scale = common.clamp(scale, 0.2, 6)
 
@@ -86,4 +96,5 @@ keymap.add {
   ["ctrl+="] = "scale:increase",
 }
 
-return { set_scale = set_scale }
+return { get_scale = get_scale, set_scale = set_scale }
+
diff --git a/plugins/scalestatus.lua b/plugins/scalestatus.lua
new file mode 100644
index 0000000..03216b5
--- /dev/null
+++ b/plugins/scalestatus.lua
@@ -0,0 +1,41 @@
+--[[
+    scalestatus.lua
+    displays current scale (zoom) in status view
+    version: 20200628_155804
+    originally by SwissalpS
+
+    Depends on plugin scale.lua version >= 20200628_154010
+--]]
+local scale = require "plugins.scale"
+-- make sure plugin is installed and has get_scale field
+if not scale.get_scale then
+    local core = require "core"
+    core.error("Plugin 'scale' needs to be updated, scalestatus inactive.")
+    return false
+end
+
+local config = require "core.config"
+local StatusView = require "core.statusview"
+
+config.scalestatus_format = '%.0f%%'
+
+local get_items = StatusView.get_items
+function StatusView:get_items()
+
+  local left, right = get_items(self)
+
+  local t = {
+    self.separator,
+    string.format(config.scalestatus_format, scale.get_scale() * 100),
+  }
+
+  for _, item in ipairs(t) do
+    table.insert(right, item)
+  end
+
+  return left, right
+
+end
+
+return true
+