Switch to tty1 for console apps (Dingux build only).

Console apps are always launched on tty1. However it can occur that
the console displayed on the framebuffer is another one, so we have
to explicitely activate tty1.

src/linkapp.cpp

@@ -37,6 +37,10 @@
 #include <fstream>
 #include <sstream>
 
+#ifdef PLATFORM_DINGUX
+#include <linux/vt.h>
+#endif
+
 using fastdelegate::MakeDelegate;
 using namespace std;
 
@@ -451,6 +455,15 @@ void LinkApp::launch(const string &selectedFile, const string &selectedDir) {
 				write(fd, &c, 1);
 				close(fd);
 			}
+
+			fd = open("/dev/tty1", O_RDWR);
+			if (fd < 0) {
+				WARNING("Unable to open tty1 handle\n");
+			} else {
+				if (ioctl(fd, VT_ACTIVATE, 1) < 0)
+					WARNING("Unable to activate tty1\n");
+				close(fd);
+			}
 		}
 #endif