1 files changed, 91 insertions, 0 deletions
diff --git a/internal/ui/helpers.go b/internal/ui/helpers.go
new file mode 100644
index 0000000..6b706d4
--- /dev/null
+++ b/internal/ui/helpers.go
@@ -0,0 +1,91 @@
+package ui
+
+import (
+	"fmt"
+	"strings"
+
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/dialog"
+	"fyne.io/fyne/v2/widget"
+	"github.com/shiv/internal/logger"
+)
+
+func closeOnEscape(win fyne.Window, closeFn func()) {
+	previous := win.Canvas().OnTypedKey()
+	win.Canvas().SetOnTypedKey(func(keyEvent *fyne.KeyEvent) {
+		if keyEvent.Name == fyne.KeyEscape {
+			closeFn()
+			win.Canvas().SetOnTypedKey(previous)
+		}
+	})
+}
+
+// newBoldLabel returns a label with bold text style.
+func newBoldLabel(text string) *widget.Label {
+	label := widget.NewLabel(text)
+	label.TextStyle = fyne.TextStyle{Bold: true}
+	return label
+}
+
+// recoverPanic logs a panic without crashing the process.
+// Use as: defer recoverPanic("context description")
+func recoverPanic(context string) {
+	if r := recover(); r != nil {
+		logger.Error("panic in %s: %v", context, r)
+	}
+}
+
+func hasSuffix(s string, suffixes ...string) bool {
+	for _, suffix := range suffixes {
+		if strings.HasSuffix(s, suffix) {
+			return true
+		}
+	}
+	return false
+}
+
+// saveToFile opens a file-save dialog and writes content to the chosen path.
+func saveToFile(content []byte, defaultName string, win fyne.Window) {
+	d := dialog.NewFileSave(func(wc fyne.URIWriteCloser, err error) {
+		if err != nil || wc == nil {
+			return
+		}
+		defer wc.Close()
+		if _, err := wc.Write(content); err != nil {
+			dialog.ShowError(err, win)
+		}
+	}, win)
+	d.SetFileName(defaultName)
+	d.Show()
+}
+
+// copyButton returns a button labelled "Copy" that copies text to clipboard.
+func copyButton(label string, text func() string) *widget.Button {
+	return widget.NewButton(label, func() {
+		fyne.CurrentApp().Clipboard().SetContent(text())
+	})
+}
+
+// paneHeader returns a border container with a bold label on the left and
+// optional extra widgets on the right, used consistently across all detail panes.
+func paneHeader(title string, right ...fyne.CanvasObject) fyne.CanvasObject {
+	var rightObj fyne.CanvasObject
+	if len(right) == 1 {
+		rightObj = right[0]
+	} else if len(right) > 1 {
+		rightObj = container.NewHBox(right...)
+	}
+	return container.NewBorder(nil, nil, newBoldLabel(title), rightObj)
+}
+
+func formatSize(bytes int) string {
+	switch {
+	case bytes >= 1<<20:
+		return fmt.Sprintf("%.1fMB", float64(bytes)/float64(1<<20))
+	case bytes >= 1<<10:
+		return fmt.Sprintf("%.1fKB", float64(bytes)/float64(1<<10))
+	default:
+		return fmt.Sprintf("%dB", bytes)
+	}
+}