#include <CtrlLib/CtrlLib.h>

GUI_APP_MAIN
{
  Prompt("See the text overflow?",Null,
         "The buttons aren't big enough",
         "This is the first button",
         "This is the second button",
         "This is the third button");
}

Index: CtrlLib/Prompt.cpp
===================================================================
--- CtrlLib/Prompt.cpp	(revision 32)
+++ CtrlLib/Prompt.cpp	(working copy)
@@ -23,6 +23,9 @@
 	qtfctrl.SetQTF(String("[G1 ") + qtf, GetRichTextStdScreenZoom());
 	int bcy = Ctrl::VertLayoutZoom(24);
 	int bcx = Ctrl::HorzLayoutZoom(72);
+	if (button1) bcx = max( 6*fcy + GetTextSize(button1,Draw::GetStdFont()).cx, bcx );
+	if (button2) bcx = max( 6*fcy + GetTextSize(button2,Draw::GetStdFont()).cx, bcx );
+	if (button3) bcx = max( 6*fcy + GetTextSize(button3,Draw::GetStdFont()).cx, bcx );
 	Size bsz = icon.GetStdSize();
 	if(cx == 0) {
 		cx = qtfctrl.GetWidth();