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-rw-r--r--xorg-server/hw/xwin/winclipboardwndproc.c219
1 files changed, 104 insertions, 115 deletions
diff --git a/xorg-server/hw/xwin/winclipboardwndproc.c b/xorg-server/hw/xwin/winclipboardwndproc.c
index 00b0fe8fd..d932082b7 100644
--- a/xorg-server/hw/xwin/winclipboardwndproc.c
+++ b/xorg-server/hw/xwin/winclipboardwndproc.c
@@ -26,7 +26,7 @@
*the sale, use or other dealings in this Software without prior written
*authorization from the copyright holder(s) and author(s).
*
- * Authors: Harold L Hunt II
+ * Authors: Harold L Hunt II
* Colin Harrison
*/
@@ -46,7 +46,7 @@
* Constants
*/
-#define WIN_POLL_TIMEOUT 1
+#define WIN_POLL_TIMEOUT 1
/*
* References to external symbols
@@ -56,10 +56,10 @@ extern Bool g_fUseUnicode;
extern void *g_pClipboardDisplay;
extern Window g_iClipboardWindow;
extern Atom g_atomLastOwnedSelection;
-extern Bool g_fClipboardStarted;
-extern HWND g_hwndClipboard;
-extern Bool g_fClipboardPrimary;
-/*
+extern Bool g_fClipboardStarted;
+extern HWND g_hwndClipboard;
+extern Bool g_fClipboardPrimary;
+/*
* Local function prototypes
*/
@@ -80,14 +80,14 @@ winProcessXEventsTimeout(HWND hwnd, int iWindow, Display * pDisplay,
int iConnNumber;
struct timeval tv;
int iReturn;
- DWORD dwStopTime = (GetTickCount() / 1000) + iTimeoutSec;
+ DWORD dwStopTime = GetTickCount() + iTimeoutSec * 1000;
/* Make sure the output messages are sent before waiting on a response. */
iReturn = winClipboardFlushXEvents (hwnd,
- iWindow,
- pDisplay,
- fUseUnicode,
- TRUE);
+ iWindow,
+ pDisplay,
+ fUseUnicode,
+ TRUE);
if (WIN_XEVENTS_NOTIFY == iReturn)
{
/* Bail out if notify processed */
@@ -100,17 +100,19 @@ winProcessXEventsTimeout(HWND hwnd, int iWindow, Display * pDisplay,
/* Loop for X events */
while (1) {
fd_set fdsRead;
+ long remainingTime;
/* Setup the file descriptor set */
FD_ZERO(&fdsRead);
FD_SET(iConnNumber, &fdsRead);
/* Adjust timeout */
- tv.tv_sec = dwStopTime - (GetTickCount() / 1000);
- tv.tv_usec = 0;
+ remainingTime = dwStopTime - GetTickCount();
+ tv.tv_sec = remainingTime / 1000;
+ tv.tv_usec = (remainingTime % 1000) * 1000;
/* Break out if no time left */
- if (tv.tv_sec < 0)
+ if (remainingTime <= 0)
return WIN_XEVENTS_SUCCESS;
/* Wait for an X event */
@@ -118,10 +120,10 @@ winProcessXEventsTimeout(HWND hwnd, int iWindow, Display * pDisplay,
&fdsRead, /* Read mask */
NULL, /* No write mask */
NULL, /* No exception mask */
- &tv); /* No timeout */
+ &tv); /* Timeout */
if (iReturn < 0) {
ErrorF ("winProcessXEventsTimeout - Call to select () failed: %d (%x). "
- "Bailing.\n", iReturn, WSAGetLastError());
+ "Bailing.\n", iReturn, WSAGetLastError());
break;
}
@@ -160,7 +162,7 @@ winClipboardWindowProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
ChangeClipboardChain(hwnd, s_hwndNextViewer);
s_hwndNextViewer = NULL;
- g_hwndClipboard = NULL;
+ g_hwndClipboard = NULL;
PostQuitMessage(0);
}
return 0;
@@ -173,14 +175,14 @@ winClipboardWindowProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
winDebug("winClipboardWindowProc - WM_CREATE\n");
/* 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
+ 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;
@@ -194,8 +196,8 @@ winClipboardWindowProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
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??? */
+ 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)
@@ -227,23 +229,23 @@ winClipboardWindowProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
winDebug("winClipboardWindowProc - WM_WM_REINIT: Enter\n");
first = GetClipboardViewer(); /* Get handle to first viewer in chain. */
- if (first != hwnd)
- {
+ if (first != hwnd)
+ {
winDebug (" WM_WM_REINIT: Replacing us(%x) with %x at head "
- "of chain\n", 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
+ "of chain\n", 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");
- }
+ }
return 0;
case WM_DRAWCLIPBOARD:
@@ -255,15 +257,14 @@ winClipboardWindowProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
Window iWindow = g_iClipboardWindow;
int iReturn;
- winDebug ("winClipboardWindowProc - WM_DRAWCLIPBOARD 0x%x 0x%x 0x%x: Enter\n",hwnd,wParam,lParam);
+ winDebug ("winClipboardWindowProc - WM_DRAWCLIPBOARD 0x%x 0x%x 0x%x: Enter\n",hwnd,wParam,lParam);
- if (!g_fClipboardStarted)
- {
- winDebug ("winClipboardWindowProc - WM_DRAWCLIPBOARD: Exit with no processing\n");
- if (s_hwndNextViewer)
- SendMessage (s_hwndNextViewer, message, wParam, lParam);
- return 0;
- }
+ if (!g_fClipboardStarted) {
+ winDebug ("winClipboardWindowProc - WM_DRAWCLIPBOARD: Exit with no processing\n");
+ if (s_hwndNextViewer)
+ SendMessage (s_hwndNextViewer, message, wParam, lParam);
+ return 0;
+ }
if (generation != serverGeneration) {
generation = serverGeneration;
@@ -280,8 +281,8 @@ winClipboardWindowProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
else {
/* Attempt to break the nesting by getting out of the chain, twice?, and then fix and bail */
ChangeClipboardChain(hwnd, s_hwndNextViewer);
- winFixClipboardChain(1);
- ErrorF ("winClipboardWindowProc - WM_DRAWCLIPBOARD - "
+ winFixClipboardChain(1);
+ ErrorF ("winClipboardWindowProc - WM_DRAWCLIPBOARD - "
"Nested calls detected. Re-initing.\n");
winDebug("winClipboardWindowProc - WM_DRAWCLIPBOARD: Exit\n");
s_fProcessingDrawClipboard = FALSE;
@@ -305,24 +306,21 @@ winClipboardWindowProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
* previous XSetSelectionOwner messages.
*/
XSync(pDisplay, FALSE);
-
- if (g_fClipboardPrimary)
- {
- /* Release PRIMARY selection if owned */
- iReturn = XGetSelectionOwner (pDisplay, XA_PRIMARY);
- if (iReturn == g_iClipboardWindow)
- {
- winDebug ("winClipboardWindowProc - WM_DRAWCLIPBOARD - "
- "PRIMARY selection is owned by us.\n");
- XSetSelectionOwner (pDisplay,
- XA_PRIMARY,
- None,
- CurrentTime);
- }
- else if (BadWindow == iReturn || BadAtom == iReturn)
- ErrorF ("winClipboardWindowProc - WM_DRAWCLIPBOARD - "
- "XGetSelection failed for PRIMARY: %d\n", iReturn);
- }
+
+ if (g_fClipboardPrimary)
+ {
+ /* Release PRIMARY selection if owned */
+ iReturn = XGetSelectionOwner (pDisplay, XA_PRIMARY);
+ if (iReturn == g_iClipboardWindow) {
+ winDebug ("winClipboardWindowProc - WM_DRAWCLIPBOARD - "
+ "PRIMARY selection is owned by us.\n");
+ XSetSelectionOwner (pDisplay, XA_PRIMARY, None, CurrentTime);
+ }
+ else if (BadWindow == iReturn || BadAtom == iReturn)
+ ErrorF ("winClipboardWindowProc - WM_DRAWCLIPBOARD - "
+ "XGetSelection failed for PRIMARY: %d\n",
+ iReturn);
+ }
/* Release CLIPBOARD selection if owned */
iReturn = XGetSelectionOwner(pDisplay, atomClipboard);
if (iReturn == g_iClipboardWindow) {
@@ -341,50 +339,40 @@ winClipboardWindowProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
SendMessage(s_hwndNextViewer, message, wParam, lParam);
return 0;
}
- /* Only reassert ownership when we did not change the clipboard ourselves */
- if (hwnd!=(HWND)wParam)
- {
- if (g_fClipboardPrimary)
- {
- /* Reassert ownership of PRIMARY */
- iReturn = XSetSelectionOwner (pDisplay,
- XA_PRIMARY,
- iWindow,
- CurrentTime);
- if (iReturn == BadAtom || iReturn == BadWindow ||
- XGetSelectionOwner (pDisplay, XA_PRIMARY) != iWindow)
- {
- ErrorF ("winClipboardWindowProc - WM_DRAWCLIPBOARD - "
- "Could not reassert ownership of PRIMARY\n");
- }
- else
- {
- winDebug ("winClipboardWindowProc - WM_DRAWCLIPBOARD - "
- "Reasserted ownership of PRIMARY\n");
- }
- }
- /* Reassert ownership of the CLIPBOARD */
- iReturn = XSetSelectionOwner (pDisplay,
- atomClipboard,
- iWindow,
- CurrentTime);
-
- if (iReturn == BadAtom || iReturn == BadWindow ||
- XGetSelectionOwner (pDisplay, atomClipboard) != iWindow)
- {
- ErrorF ("winClipboardWindowProc - WM_DRAWCLIPBOARD - "
- "Could not reassert ownership of CLIPBOARD\n");
- }
- else
- {
- winDebug ("winClipboardWindowProc - WM_DRAWCLIPBOARD - "
- "Reasserted ownership of CLIPBOARD\n");
- }
-
- /* Flush the pending SetSelectionOwner event now */
- XFlush (pDisplay);
- }
-
+ /* Only reassert ownership when we did not change the clipboard ourselves */
+ if (hwnd!=(HWND)wParam) {
+ if (g_fClipboardPrimary) {
+ /* Reassert ownership of PRIMARY */
+ iReturn = XSetSelectionOwner (pDisplay,
+ XA_PRIMARY, iWindow, CurrentTime);
+ if (iReturn == BadAtom || iReturn == BadWindow ||
+ XGetSelectionOwner (pDisplay, XA_PRIMARY) != iWindow) {
+ ErrorF ("winClipboardWindowProc - WM_DRAWCLIPBOARD - "
+ "Could not reassert ownership of PRIMARY\n");
+ }
+ else {
+ winDebug ("winClipboardWindowProc - WM_DRAWCLIPBOARD - "
+ "Reasserted ownership of PRIMARY\n");
+ }
+ }
+ /* Reassert ownership of the CLIPBOARD */
+ iReturn = XSetSelectionOwner (pDisplay,
+ atomClipboard, iWindow, CurrentTime);
+
+ if (iReturn == BadAtom || iReturn == BadWindow ||
+ XGetSelectionOwner (pDisplay, atomClipboard) != iWindow) {
+ ErrorF ("winClipboardWindowProc - WM_DRAWCLIPBOARD - "
+ "Could not reassert ownership of CLIPBOARD\n");
+ }
+ else {
+ winDebug ("winClipboardWindowProc - WM_DRAWCLIPBOARD - "
+ "Reasserted ownership of CLIPBOARD\n");
+ }
+
+ /* Flush the pending SetSelectionOwner event now */
+ XFlush (pDisplay);
+ }
+
s_fProcessingDrawClipboard = FALSE;
winDebug("winClipboardWindowProc - WM_DRAWCLIPBOARD: Exit\n");
/* Pass the message on the next window in the clipboard viewer chain */
@@ -451,7 +439,7 @@ winClipboardWindowProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
ErrorF ("winClipboardWindowProc - WM_RENDER*FORMATS - "
"EmptyClipboard () failed: %08x\n",
GetLastError());
- CloseClipboard ();
+ CloseClipboard ();
break;
}
}
@@ -484,7 +472,8 @@ winClipboardWindowProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
/* We must close the clipboard */
if (!CloseClipboard()) {
- ErrorF ("winClipboardWindowProc - WM_RENDERALLFORMATS - "
+ ErrorF (
+ "winClipboardWindowProc - WM_RENDERALLFORMATS - "
"CloseClipboard () failed: %08x\n",
GetLastError());
break;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 09:37:08 +0000