afkarxyz
46 lines
1.2 KiB
Go
46 lines
1.2 KiB
Go
//go:build darwin
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package backend
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import (
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"fmt"
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"os"
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"os/exec"
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"strings"
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)
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func SetMacOSFileIconFromImage(filePath, imagePath string, iconSize int) error {
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if filePath == "" {
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return fmt.Errorf("file path is required")
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}
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if imagePath == "" {
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return fmt.Errorf("image path is required")
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}
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resizedPath, err := ResizeImageForIcon(imagePath, iconSize)
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if err != nil {
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return err
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}
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defer os.Remove(resizedPath)
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script := `
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use framework "AppKit"
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on run argv
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set imagePath to item 1 of argv
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set targetPath to item 2 of argv
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set iconImage to current application's NSImage's alloc()'s initWithContentsOfFile:imagePath
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if iconImage is missing value then error "Failed to load icon image"
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set didSet to (current application's NSWorkspace's sharedWorkspace()'s setIcon:iconImage forFile:targetPath options:0) as boolean
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if didSet is false then error "Failed to set custom file icon"
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end run
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`
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cmd := exec.Command("osascript", "-", resizedPath, filePath)
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cmd.Stdin = strings.NewReader(script)
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output, err := cmd.CombinedOutput()
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if err != nil {
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return fmt.Errorf("failed to apply macOS file icon: %v (%s)", err, strings.TrimSpace(string(output)))
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}
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return nil
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}
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