Changeset 28405 in vbox for trunk/src/VBox/Frontends/VBoxSDL

Timestamp:

Apr 16, 2010 10:37:39 AM (15 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

60167

Message:

FE/SDL: When sending two key events to the guest (the first event was delayed to decide if this is part of a host key combination or not) add a small delay to work around a bug of certain guest applications (e.g. mstsc.exe on WinXP which otherwise wouldn't detect the first key event.

File:

• trunk/src/VBox/Frontends/VBoxSDL/VBoxSDL.cpp (modified) (2 diffs)

trunk/src/VBox/Frontends/VBoxSDL/VBoxSDL.cpp

@@ -2364 +2364 @@
                                                                  : HKEYSTATE_NOT_IT;
                             ProcessKey(&EvHKeyDown1.key);
+                            /* ugly hack: Some guests (e.g. mstsc.exe on Windows XP)
+                             * expect a small delay between two key events. 5ms work
+                             * reliable here so use 10ms to be on the safe side. A
+                             * better but more complicated fix would be to introduce
+                             * a new state and don't wait here. */
+                            RTThreadSleep(10);
                             ProcessKey(&event.key);
                             break;
@@ -2405 +2411 @@
                         enmHKeyState = HKEYSTATE_NOT_IT;
                         ProcessKey(&EvHKeyDown1.key);
+                        /* see the comment for the 2-key case above */
+                        RTThreadSleep(10);
                         if (gHostKeySym2 != SDLK_UNKNOWN)
+                        {
                             ProcessKey(&EvHKeyDown2.key);
+                            /* see the comment for the 2-key case above */
+                            RTThreadSleep(10);
+                        }
                         ProcessKey(&event.key);
                         break;