feat(cli): get accent color

.vscode/launch.json

@@ -109,6 +109,17 @@
         "--config=${workspaceRoot}/themes/default.omp.json"
       ]
     },
+    {
+      "name": "Get value",
+      "type": "go",
+      "request": "launch",
+      "mode": "debug",
+      "program": "${workspaceRoot}/src",
+      "args": [
+        "get",
+        "accent"
+      ]
+    },
     {
       "type": "node",
       "request": "launch",

src/cli/get.go

@@ -2,25 +2,29 @@ package cli
 
 import (
 	"fmt"
+	"oh-my-posh/color"
 	"oh-my-posh/environment"
 	"time"
 
+	color2 "github.com/gookit/color"
 	"github.com/spf13/cobra"
 )
 
 // getCmd represents the get command
 var getCmd = &cobra.Command{
-	Use:   "get [shell|millis]",
+	Use:   "get [shell|millis|accent]",
 	Short: "Get a value from oh-my-posh",
 	Long: `Get a value from oh-my-posh.
 
 This command is used to get the value of the following variables:
 
 - shell
-- millis`,
+- millis
+- accent`,
 	ValidArgs: []string{
 		"millis",
 		"shell",
+		"accent",
 	},
 	Args: NoArgsOrOneValidArg,
 	Run: func(cmd *cobra.Command, args []string) {
@@ -38,6 +42,14 @@ This command is used to get the value of the following variables:
 			fmt.Print(time.Now().UnixNano() / 1000000)
 		case "shell":
 			fmt.Println(env.Shell())
+		case "accent":
+			rgb, err := color.GetAccentColor()
+			if err != nil {
+				fmt.Println("error getting accent color:", err.Error())
+				return
+			}
+			accent := color2.RGB(rgb.R, rgb.G, rgb.B)
+			fmt.Println("#" + accent.Hex())
 		default:
 			_ = cmd.Help()
 		}

src/color/colors.go

@@ -19,6 +19,10 @@ func MakeColors(palette Palette, cacheEnabled bool, accentColor string) (colors
 	return
 }
 
+type RGB struct {
+	R, G, B uint8
+}
+
 // DefaultColors is the default AnsiColors implementation.
 type DefaultColors struct {
 	accent *Color

src/color/colors_unix.go

@@ -2,6 +2,12 @@
 
 package color
 
+import "errors"
+
+func GetAccentColor() (*RGB, error) {
+	return nil, errors.New("not implemented")
+}
+
 func (d *DefaultColors) SetAccentColor(defaultColor string) {
 	if len(defaultColor) == 0 {
 		return

src/color/colors_windows.go

@@ -1,6 +1,7 @@
 package color
 
 import (
+	"errors"
 	"syscall"
 	"unsafe"
 
@@ -13,24 +14,33 @@ var (
 	procDwmGetColorizationColor = dwmapi.NewProc("DwmGetColorizationColor")
 )
 
-func (d *DefaultColors) SetAccentColor(defaultColor string) {
+func GetAccentColor() (*RGB, error) {
 	var accentColor uint32
 	var pfOpaqueBlend bool
 	_, _, e := procDwmGetColorizationColor.Call(
 		uintptr(unsafe.Pointer(&accentColor)),
 		uintptr(unsafe.Pointer(&pfOpaqueBlend)))
 	if e != windows.ERROR_SUCCESS {
+		return nil, errors.New("unable to get accent color")
+	}
+	return &RGB{
+		R: byte(accentColor >> 16),
+		G: byte(accentColor >> 8),
+		B: byte(accentColor),
+	}, nil
+}
+
+func (d *DefaultColors) SetAccentColor(defaultColor string) {
+	rgb, err := GetAccentColor()
+	if err != nil {
 		d.accent = &Color{
 			Foreground: string(d.AnsiColorFromString(defaultColor, false)),
 			Background: string(d.AnsiColorFromString(defaultColor, true)),
 		}
 		return
 	}
-	r := byte(accentColor >> 16)
-	g := byte(accentColor >> 8)
-	b := byte(accentColor)
-	foreground := color.RGB(r, g, b, false)
-	background := color.RGB(r, g, b, true)
+	foreground := color.RGB(rgb.R, rgb.G, rgb.B, false)
+	background := color.RGB(rgb.R, rgb.G, rgb.B, true)
 	d.accent = &Color{
 		Foreground: foreground.String(),
 		Background: background.String(),