Merge master into miner branch

ethereal/ui/ui_lib.go

@@ -0,0 +1,75 @@
+package ethui
+
+import (
+	"bitbucket.org/kardianos/osext"
+	"github.com/ethereum/eth-go"
+	"github.com/ethereum/eth-go/ethutil"
+	"github.com/niemeyer/qml"
+	"os"
+	"path"
+	"path/filepath"
+	"runtime"
+)
+
+// UI Library that has some basic functionality exposed
+type UiLib struct {
+	engine    *qml.Engine
+	eth       *eth.Ethereum
+	connected bool
+}
+
+// Opens a QML file (external application)
+func (ui *UiLib) Open(path string) {
+	component, err := ui.engine.LoadFile(path[7:])
+	if err != nil {
+		ethutil.Config.Log.Debugln(err)
+	}
+	win := component.CreateWindow(nil)
+
+	go func() {
+		win.Show()
+		win.Wait()
+	}()
+}
+
+func (ui *UiLib) Connect(button qml.Object) {
+	if !ui.connected {
+		ui.eth.Start()
+		ui.connected = true
+		button.Set("enabled", false)
+	}
+}
+
+func (ui *UiLib) ConnectToPeer(addr string) {
+	ui.eth.ConnectToPeer(addr)
+}
+
+func (ui *UiLib) AssetPath(p string) string {
+	return AssetPath(p)
+}
+
+func AssetPath(p string) string {
+	var base string
+	// If the current working directory is the go-ethereum dir
+	// assume a debug build and use the source directory as
+	// asset directory.
+	pwd, _ := os.Getwd()
+	if pwd == path.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "go-ethereum", "ethereal") {
+		base = path.Join(pwd, "assets")
+	} else {
+		switch runtime.GOOS {
+		case "darwin":
+			// Get Binary Directory
+			exedir, _ := osext.ExecutableFolder()
+			base = filepath.Join(exedir, "../Resources")
+		case "linux":
+			base = "/usr/share/ethereal"
+		case "window":
+			fallthrough
+		default:
+			base = "."
+		}
+	}
+
+	return path.Join(base, p)
+}