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[VSoRC/.git] / node_modules / node-pty / deps / winpty / misc / EnableExtendedFlags.txt

diff --git a/node_modules/node-pty/deps/winpty/misc/EnableExtendedFlags.txt b/node_modules/node-pty/deps/winpty/misc/EnableExtendedFlags.txt
deleted file mode 100644 (file)
index 37914da..0000000
--- a/node_modules/node-pty/deps/winpty/misc/EnableExtendedFlags.txt
+++ /dev/null
@@ -1,46 +0,0 @@
-Note regarding ENABLE_EXTENDED_FLAGS (2016-05-30)
-
-There is a complicated interaction between the ENABLE_EXTENDED_FLAGS flag
-and the ENABLE_QUICK_EDIT_MODE and ENABLE_INSERT_MODE flags (presumably for
-backwards compatibility?).  I studied the behavior on Windows 7 and Windows
-10, with both the old and new consoles, and I didn't see any differences
-between versions.  Here's what I seemed to observe:
-
- - The console has three flags internally:
-    - QuickEdit
-    - InsertMode
-    - ExtendedFlags
-
- - SetConsoleMode psuedocode:
-      void SetConsoleMode(..., DWORD mode) {
-        ExtendedFlags = (mode & (ENABLE_EXTENDED_FLAGS
-                                  | ENABLE_QUICK_EDIT_MODE
-                                  | ENABLE_INSERT_MODE    )) != 0;
-        if (ExtendedFlags) {
-          QuickEdit = (mode & ENABLE_QUICK_EDIT_MODE) != 0;
-          InsertMode = (mode & ENABLE_INSERT_MODE) != 0;
-        }
-      }
-
- - Setting QuickEdit or InsertMode from the properties dialog GUI does not
-   affect the ExtendedFlags setting -- it simply toggles the one flag.
-
- - GetConsoleMode psuedocode:
-      GetConsoleMode(..., DWORD *result) {
-        if (ExtendedFlags) {
-          *result |= ENABLE_EXTENDED_FLAGS;
-          if (QuickEdit) { *result |= ENABLE_QUICK_EDIT_MODE; }
-          if (InsertMode) { *result |= ENABLE_INSERT_MODE; }
-        }
-      }
-
-Effectively, the ExtendedFlags flags controls whether the other two flags
-are visible/controlled by the user application.  If they aren't visible,
-though, there is no way for the user application to make them visible,
-except by overwriting their values!  Calling SetConsoleMode with just
-ENABLE_EXTENDED_FLAGS would clear the extended flags we want to read.
-
-Consequently, if a program temporarily alters the QuickEdit flag (e.g. to
-enable mouse input), it cannot restore the original values of the QuickEdit
-and InsertMode flags, UNLESS every other console program cooperates by
-keeping the ExtendedFlags flag set.