Basic GUI client, login dialog, various comments fixes after copypaste.

client/internal/widgets/toolbar_progressbar.go

@@ -0,0 +1,23 @@
+package widgets
+
+import (
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/widget"
+)
+
+// ToolbarProgressBar is a progressbar widget for toolbar.
+type ToolbarProgressBar struct {
+	*widget.ProgressBar
+}
+
+// NewToolbarProgressBarWithBar creates new progressbar for toolbar with provided progressbar.
+func NewToolbarProgressBarWithBar(bar *widget.ProgressBar) *ToolbarProgressBar {
+	return &ToolbarProgressBar{
+		bar,
+	}
+}
+
+// ToolbarObject returns toolbar item.
+func (tl *ToolbarProgressBar) ToolbarObject() fyne.CanvasObject {
+	return tl
+}