diff options
-rw-r--r-- | xorg-server/hw/xwin/win.h | 2 | ||||
-rw-r--r-- | xorg-server/hw/xwin/winclipboard.h | 2 | ||||
-rw-r--r-- | xorg-server/hw/xwin/winclipboardinit.c | 7 | ||||
-rw-r--r-- | xorg-server/hw/xwin/winclipboardwndproc.c | 27 | ||||
-rw-r--r-- | xorg-server/hw/xwin/winwindow.h | 2 | ||||
-rw-r--r-- | xorg-server/hw/xwin/winwndproc.c | 2 |
6 files changed, 34 insertions, 8 deletions
diff --git a/xorg-server/hw/xwin/win.h b/xorg-server/hw/xwin/win.h index f24bc399a..df939b494 100644 --- a/xorg-server/hw/xwin/win.h +++ b/xorg-server/hw/xwin/win.h @@ -786,7 +786,7 @@ Bool winInitClipboard (void); void -winFixClipboardChain (void); +winFixClipboardChain (int Removed); #endif diff --git a/xorg-server/hw/xwin/winclipboard.h b/xorg-server/hw/xwin/winclipboard.h index 9bf7c9c0e..95c4050a4 100644 --- a/xorg-server/hw/xwin/winclipboard.h +++ b/xorg-server/hw/xwin/winclipboard.h @@ -77,8 +77,6 @@ typedef int pid_t; #define WIN_XEVENTS_CONVERT 2 #define WIN_XEVENTS_NOTIFY 3 -#define WM_WM_REINIT (WM_USER + 1) - #include "winmsg.h" /* diff --git a/xorg-server/hw/xwin/winclipboardinit.c b/xorg-server/hw/xwin/winclipboardinit.c index 802b12fed..d5990900a 100644 --- a/xorg-server/hw/xwin/winclipboardinit.c +++ b/xorg-server/hw/xwin/winclipboardinit.c @@ -33,6 +33,9 @@ #endif
#include "dixstruct.h"
#include "winclipboard.h"
+#include "objbase.h"
+#include "ddraw.h"
+#include "winwindow.h"
/*
@@ -135,11 +138,11 @@ winClipboardCreateMessagingWindow (void) }
void
-winFixClipboardChain (void)
+winFixClipboardChain (int Removed)
{
if (g_fClipboard
&& g_hwndClipboard)
{
- PostMessage (g_hwndClipboard, WM_WM_REINIT, 0, 0);
+ PostMessage (g_hwndClipboard, WM_WM_REINIT, Removed, 0);
}
}
diff --git a/xorg-server/hw/xwin/winclipboardwndproc.c b/xorg-server/hw/xwin/winclipboardwndproc.c index dbfc61e4e..26a77ef74 100644 --- a/xorg-server/hw/xwin/winclipboardwndproc.c +++ b/xorg-server/hw/xwin/winclipboardwndproc.c @@ -38,6 +38,9 @@ #include "winclipboard.h"
#include "misc.h"
#include "winmsg.h"
+#include "objbase.h"
+#include "ddraw.h"
+#include "winwindow.h"
/*
* Constants
@@ -183,6 +186,14 @@ winClipboardWindowProc (HWND hwnd, UINT message, /* Add ourselves to the clipboard viewer chain */
s_hwndNextViewer = SetClipboardViewer (hwnd);
+ #ifdef _DEBUG
+ if (s_hwndNextViewer== hwnd)
+ {
+ ErrorF("WM_CREATE: SetClipboardViewer returned own window. This causes an endless loop, so reset s_hwndNextViewer. ");
+ s_hwndNextViewer=NULL;
+ }
+ #endif
+
}
return 0;
@@ -196,6 +207,11 @@ winClipboardWindowProc (HWND hwnd, UINT message, if ((HWND) wParam == s_hwndNextViewer)
{
s_hwndNextViewer = (HWND) lParam;
+ if (s_hwndNextViewer == hwnd)
+ {
+ winDebug("WM_CHANGECBCHAIN: trying to set s_hwndNextViewer to own window. Resetting it back to NULL. ");
+ s_hwndNextViewer=NULL; /* This would cause an endless loop, so break it by ending the loop here. I have seen this happening, why??? */
+ }
}
else if (s_hwndNextViewer)
SendMessage (s_hwndNextViewer, message,
@@ -231,9 +247,16 @@ winClipboardWindowProc (HWND hwnd, UINT message, {
winDebug (" WM_WM_REINIT: Replacing us(%x) with %x at head "
"of chain\n", hwnd, s_hwndNextViewer);
- ChangeClipboardChain (hwnd, s_hwndNextViewer);
+ if (!wParam) ChangeClipboardChain (hwnd, s_hwndNextViewer); /* When wParam is set, the window was already removed from the chain */
winDebug (" WM_WM_REINIT: Putting us back at head of chain.\n");
s_hwndNextViewer = SetClipboardViewer (hwnd);
+ #ifdef _DEBUG
+ if (s_hwndNextViewer== hwnd)
+ {
+ ErrorF("WM_WM_REINIT: SetClipboardViewer returned own window. This causes an endless loop, so reset s_hwndNextViewer. ");
+ s_hwndNextViewer=NULL;
+ }
+ #endif
}
winDebug ("winClipboardWindowProc - WM_WM_REINIT: Exit\n");
}
@@ -277,7 +300,7 @@ winClipboardWindowProc (HWND hwnd, UINT message, {
/* Attempt to break the nesting by getting out of the chain, twice?, and then fix and bail */
ChangeClipboardChain (hwnd, s_hwndNextViewer);
- winFixClipboardChain();
+ winFixClipboardChain(1);
ErrorF ("winClipboardWindowProc - WM_DRAWCLIPBOARD - "
"Nested calls detected. Re-initing.\n");
winDebug ("winClipboardWindowProc - WM_DRAWCLIPBOARD: Exit\n");
diff --git a/xorg-server/hw/xwin/winwindow.h b/xorg-server/hw/xwin/winwindow.h index 7c65ce505..8778fc696 100644 --- a/xorg-server/hw/xwin/winwindow.h +++ b/xorg-server/hw/xwin/winwindow.h @@ -116,6 +116,8 @@ typedef struct _winWMMessageRec{ #define WM_WM_MAP3 (WM_USER + 13) #define WM_MANAGE (WM_USER + 100) #define WM_UNMANAGE (WM_USER + 102) +#define WM_WM_REINIT (WM_USER + 200) + #define MwmHintsDecorations (1L << 1) diff --git a/xorg-server/hw/xwin/winwndproc.c b/xorg-server/hw/xwin/winwndproc.c index aa158674e..5b2a866a9 100644 --- a/xorg-server/hw/xwin/winwndproc.c +++ b/xorg-server/hw/xwin/winwndproc.c @@ -1192,7 +1192,7 @@ winWindowProc (HWND hwnd, UINT message, #ifdef XWIN_CLIPBOARD /* Make sure the clipboard chain is ok. */ - winFixClipboardChain (); + winFixClipboardChain (0); #endif /* Call engine specific screen activation/deactivation function */ |