added colorpicker plugin

2 files changed, 66 insertions, 1 deletions

diff --git a/manifest.json b/manifest.json
index 0f0e79b..f284381 100644
--- a/manifest.json
+++ b/manifest.json
@@ -71,6 +71,14 @@
       "mod_version": "3"
     },
     {
+      "description": "Color picker dialog that supports html and rgb notations.",
+      "version": "0.1",
+      "path": "plugins/colorpicker.lua",
+      "id": "colorpicker",
+      "mod_version": "3",
+      "dependencies": { "widget": {} }
+    },
+    {
       "description": "Underlays color values (eg. `#ff00ff` or `rgb(255, 0, 255)`) with their resultant color. *([screenshot](https://user-images.githubusercontent.com/3920290/80743752-731bd780-8b15-11ea-97d3-847db927c5dc.png))*",
       "version": "0.1",
       "path": "plugins/colorpreview.lua",
@@ -1063,7 +1071,8 @@
       "version": "0.5",
       "path": "plugins/settings.lua",
       "id": "settings",
-      "mod_version": "3"
+      "mod_version": "3",
+      "dependencies": { "widget": {} }
     },
     {
       "description": "Displays the current time in the corner of the status view",
diff --git a/plugins/colorpicker.lua b/plugins/colorpicker.lua
new file mode 100644
index 0000000..c280fb6
--- /dev/null
+++ b/plugins/colorpicker.lua
@@ -0,0 +1,56 @@
+-- mod-version:3
+local command = require "core.command"
+local keymap = require "core.keymap"
+local ColorPickerDialog = require "libraries.widget.colorpickerdialog"
+
+---Get the color format of given text.
+---@param text string
+---@return "html" | "html_opacity" | "rgb"
+local function get_color_type(text)
+  local found = text:find("#%x%x%x%x%x%x%x?%x?")
+  if found then
+    found = text:find("#%x%x%x%x%x%x%x%x")
+    if found then return "html_opacity" end
+    return "html"
+  else
+    found = text:find("#%x%x%x")
+    if found then
+      return "html"
+    else
+      found = text:find(
+        "rgba?%((%d+)%D+(%d+)%D+(%d+)[%s,]-([%.%d]-)%s-%)"
+      )
+      if found then return "rgb" end
+    end
+  end
+  return "html"
+end
+
+command.add("core.docview!", {
+  ["color-picker:open"] = function(dv)
+    ---@type core.doc
+    local doc = dv.doc
+    local selection = doc:get_text(doc:get_selection())
+    local type = get_color_type(selection)
+
+    ---@type widget.colorpickerdialog
+    local picker = ColorPickerDialog(nil, selection)
+    function picker:on_apply(c)
+      local value
+      if type == "html" then
+        value = string.format("#%02X%02X%02X", c[1], c[2], c[3])
+      elseif type == "html_opacity" then
+        value = string.format("#%02X%02X%02X%02X", c[1], c[2], c[3], c[4])
+      elseif type == "rgb" then
+        value = string.format("rgba(%d, %d, %d, %.2f)", c[1], c[2], c[3], c[4]/255)
+      end
+      doc:text_input(value)
+    end
+    picker:show()
+    picker:centered()
+  end,
+})
+
+keymap.add {
+  ["ctrl+alt+k"] = "color-picker:open"
+}