cli: add interactive color picker

core/cmd/dms/commands_colorpicker.go

@@ -0,0 +1,133 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+
+	"github.com/AvengeMedia/DankMaterialShell/core/internal/colorpicker"
+	"github.com/spf13/cobra"
+)
+
+var (
+	colorOutputFmt string
+	colorAutocopy  bool
+	colorNotify    bool
+	colorLowercase bool
+)
+
+var colorCmd = &cobra.Command{
+	Use:   "color",
+	Short: "Color utilities",
+	Long:  "Color utilities including picking colors from the screen",
+}
+
+var colorPickCmd = &cobra.Command{
+	Use:   "pick",
+	Short: "Pick a color from the screen",
+	Long: `Pick a color from anywhere on your screen using an interactive color picker.
+
+Click on any pixel to capture its color, or press Escape to cancel.
+
+Output format flags (mutually exclusive, default: --hex):
+  --hex  - Hexadecimal (#RRGGBB)
+  --rgb  - RGB values (R G B)
+  --hsl  - HSL values (H S% L%)
+  --hsv  - HSV values (H S% V%)
+  --cmyk - CMYK values (C% M% Y% K%)
+  --json - JSON with all formats
+
+Examples:
+  dms color pick                # Pick color, output as hex
+  dms color pick --rgb          # Output as RGB
+  dms color pick --json         # Output all formats as JSON
+  dms color pick --hex -l       # Output hex in lowercase
+  dms color pick -a             # Auto-copy result to clipboard`,
+	Run: runColorPick,
+}
+
+func init() {
+	colorPickCmd.Flags().Bool("hex", false, "Output as hexadecimal (#RRGGBB)")
+	colorPickCmd.Flags().Bool("rgb", false, "Output as RGB (R G B)")
+	colorPickCmd.Flags().Bool("hsl", false, "Output as HSL (H S% L%)")
+	colorPickCmd.Flags().Bool("hsv", false, "Output as HSV (H S% V%)")
+	colorPickCmd.Flags().Bool("cmyk", false, "Output as CMYK (C% M% Y% K%)")
+	colorPickCmd.Flags().Bool("json", false, "Output all formats as JSON")
+	colorPickCmd.Flags().StringVarP(&colorOutputFmt, "output-format", "o", "", "Custom output format template")
+	colorPickCmd.Flags().BoolVarP(&colorAutocopy, "autocopy", "a", false, "Copy result to clipboard")
+	colorPickCmd.Flags().BoolVarP(&colorLowercase, "lowercase", "l", false, "Output hex in lowercase")
+
+	colorPickCmd.MarkFlagsMutuallyExclusive("hex", "rgb", "hsl", "hsv", "cmyk", "json")
+
+	colorCmd.AddCommand(colorPickCmd)
+}
+
+func runColorPick(cmd *cobra.Command, args []string) {
+	format := colorpicker.FormatHex // default
+	jsonOutput, _ := cmd.Flags().GetBool("json")
+
+	if rgb, _ := cmd.Flags().GetBool("rgb"); rgb {
+		format = colorpicker.FormatRGB
+	} else if hsl, _ := cmd.Flags().GetBool("hsl"); hsl {
+		format = colorpicker.FormatHSL
+	} else if hsv, _ := cmd.Flags().GetBool("hsv"); hsv {
+		format = colorpicker.FormatHSV
+	} else if cmyk, _ := cmd.Flags().GetBool("cmyk"); cmyk {
+		format = colorpicker.FormatCMYK
+	}
+
+	config := colorpicker.Config{
+		Format:       format,
+		CustomFormat: colorOutputFmt,
+		Lowercase:    colorLowercase,
+		Autocopy:     colorAutocopy,
+		Notify:       colorNotify,
+	}
+
+	picker := colorpicker.New(config)
+	color, err := picker.Run()
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Error: %v\n", err)
+		os.Exit(1)
+	}
+
+	if color == nil {
+		os.Exit(0)
+	}
+
+	var output string
+	if jsonOutput {
+		jsonStr, err := color.ToJSON()
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "Error: %v\n", err)
+			os.Exit(1)
+		}
+		output = jsonStr
+	} else {
+		output = color.Format(config.Format, config.Lowercase, config.CustomFormat)
+	}
+
+	if colorAutocopy {
+		copyToClipboard(output)
+	}
+
+	if jsonOutput {
+		fmt.Println(output)
+	} else if color.IsDark() {
+		fmt.Printf("\033[48;2;%d;%d;%dm\033[97m %s \033[0m\n", color.R, color.G, color.B, output)
+	} else {
+		fmt.Printf("\033[48;2;%d;%d;%dm\033[30m %s \033[0m\n", color.R, color.G, color.B, output)
+	}
+}
+
+func copyToClipboard(text string) {
+	var cmd *exec.Cmd
+	if _, err := exec.LookPath("wl-copy"); err == nil {
+		cmd = exec.Command("wl-copy", text)
+	} else {
+		fmt.Fprintln(os.Stderr, "wl-copy not found, cannot copy to clipboard")
+		return
+	}
+
+	_ = cmd.Run()
+}

core/cmd/dms/commands_common.go

@@ -471,5 +471,6 @@ func getCommonCommands() []*cobra.Command {
 		keybindsCmd,
 		greeterCmd,
 		setupCmd,
+		colorCmd,
 	}
 }