Update PowerStatus about window

src/apps/powerstatus/Jamfile

@@ -13,7 +13,7 @@ Application PowerStatus :
 	PowerStatusWindow.cpp
 	PowerStatusView.cpp
 	PowerStatus.cpp
-	: be $(TARGET_LIBSUPC++) $(HAIKU_LOCALE_LIBS)
+	: be libshared.a $(TARGET_LIBSUPC++) $(HAIKU_LOCALE_LIBS)
 	: PowerStatus.rdef
 ;
 DoCatalogs PowerStatus :

src/apps/powerstatus/PowerStatusView.cpp

@@ -96,6 +96,8 @@ PowerStatusView::_Init()
 {
 	SetViewColor(B_TRANSPARENT_COLOR);
 
+	fAboutWindow = NULL;
+
 	fShowLabel = true;
 	fShowTime = false;
 	fShowStatusIcon = true;
@@ -503,14 +505,16 @@ PowerStatusReplicant::PowerStatusReplicant(BMessage* archive)
 
 PowerStatusReplicant::~PowerStatusReplicant()
 {
-	if (fMessengerExist) {
+	if (fMessengerExist)
 		delete fExtWindowMessenger;
-	}
 
 	fDriverInterface->StopWatching(this);
 	fDriverInterface->Disconnect();
 	fDriverInterface->ReleaseReference();
 
+	if (fAboutWindow != NULL)
+		fAboutWindow->Quit();
+
 	_SaveSettings();
 }
 
@@ -621,22 +625,23 @@ PowerStatusReplicant::MouseDown(BPoint point)
 void
 PowerStatusReplicant::_AboutRequested()
 {
-	BAlert* alert = new BAlert(B_TRANSLATE("About"),
-		B_TRANSLATE("PowerStatus\n"
-			"written by Axel Dörfler, Clemens Zeidler\n"
-			"Copyright 2006, Haiku, Inc.\n"), B_TRANSLATE("OK"));
-	BTextView *view = alert->TextView();
-	BFont font;
+	if (fAboutWindow == NULL) {
+		const char* authors[] = {
+			"Axel Dörfler",
+			"Alexander von Gluck",
+			"Clemens Zeidler",
+			NULL
+		};
 
-	view->SetStylable(true);
-
-	view->GetFont(&font);
-	font.SetSize(18);
-	font.SetFace(B_BOLD_FACE);
-	view->SetFontAndColor(0, strlen(B_TRANSLATE("PowerStatus")), &font);
-
-	alert->SetFlags(alert->Flags() | B_CLOSE_ON_ESCAPE);
-	alert->Go();
+		fAboutWindow = new BAboutWindow(
+			B_TRANSLATE_SYSTEM_NAME("PowerStatus"), kSignature);
+		fAboutWindow->AddCopyright(2006, "Haiku, Inc.");
+		fAboutWindow->AddAuthors(authors);
+		fAboutWindow->Show();
+	} else if (fAboutWindow->IsHidden())
+		fAboutWindow->Show();
+	else
+		fAboutWindow->Activate();
 }