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Xming: Cache atom lookups in clipboard integration code

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Cache the CLIPBOARD atom lookups in winClipboardWindowProc()
Cache atom lookups in winClipboardFlushXEvents()
Recache on server regeneration

Copyright (C) Colin Harrison 2005-2008
http://www.straightrunning.com/XmingNotes/
http://sourceforge.net/projects/xming/

Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
This commit is contained in:
Colin Harrison 2009-02-03 15:52:11 +00:00 committed by Jon TURNEY
parent 4ec110327b
commit 71ba9856a4
2 changed files with 28 additions and 25 deletions
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26
hw/xwin/winclipboardwndproc.c
View File

@ -36,6 +36,7 @@
#include <sys/types.h>
#include <sys/time.h>
#include "winclipboard.h"
#include "misc.h"
extern void winFixClipboardChain();
@ -261,6 +262,8 @@ winClipboardWindowProc (HWND hwnd, UINT message,
case WM_DRAWCLIPBOARD:
{
static Atom atomClipboard;
static int generation;
static Bool s_fProcessingDrawClipboard = FALSE;
Display *pDisplay = g_pClipboardDisplay;
Window iWindow = g_iClipboardWindow;
@ -268,6 +271,12 @@ winClipboardWindowProc (HWND hwnd, UINT message,
winDebug ("winClipboardWindowProc - WM_DRAWCLIPBOARD: Enter\n");
if (generation != serverGeneration)
{
generation = serverGeneration;
atomClipboard = XInternAtom (pDisplay, "CLIPBOARD", False);
}
/*
* We've occasionally seen a loop in the clipboard chain.
* Try and fix it on the first hint of recursion.
@ -355,17 +364,13 @@ winClipboardWindowProc (HWND hwnd, UINT message,
/* Release CLIPBOARD selection if owned */
iReturn = XGetSelectionOwner (pDisplay,
XInternAtom (pDisplay,
"CLIPBOARD",
False));
atomClipboard);
if (iReturn == g_iClipboardWindow)
{
winDebug ("winClipboardWindowProc - WM_DRAWCLIPBOARD - "
"CLIPBOARD selection is owned by us.\n");
XSetSelectionOwner (pDisplay,
XInternAtom (pDisplay,
"CLIPBOARD",
False),
atomClipboard,
None,
CurrentTime);
}
@ -399,17 +404,12 @@ winClipboardWindowProc (HWND hwnd, UINT message,
/* Reassert ownership of the CLIPBOARD */
iReturn = XSetSelectionOwner (pDisplay,
XInternAtom (pDisplay,
"CLIPBOARD",
False),
atomClipboard,
iWindow,
CurrentTime);
if (iReturn == BadAtom || iReturn == BadWindow ||
XGetSelectionOwner (pDisplay,
XInternAtom (pDisplay,
"CLIPBOARD",
False)) != iWindow)
XGetSelectionOwner (pDisplay, atomClipboard) != iWindow)
{
winErrorFVerb (1, "winClipboardWindowProc - WM_DRAWCLIPBOARD - "
"Could not reassert ownership of CLIPBOARD\n");

27
hw/xwin/winclipboardxevents.c
View File

@ -34,6 +34,7 @@
#include <xwin-config.h>
#endif
#include "winclipboard.h"
#include "misc.h"
/*
@ -53,18 +54,20 @@ winClipboardFlushXEvents (HWND hwnd,
Display *pDisplay,
Bool fUseUnicode)
{
Atom atomLocalProperty = XInternAtom (pDisplay,
WIN_LOCAL_PROPERTY,
False);
Atom atomUTF8String = XInternAtom (pDisplay,
"UTF8_STRING",
False);
Atom atomCompoundText = XInternAtom (pDisplay,
"COMPOUND_TEXT",
False);
Atom atomTargets = XInternAtom (pDisplay,
"TARGETS",
False);
static Atom atomLocalProperty;
static Atom atomCompoundText;
static Atom atomUTF8String;
static Atom atomTargets;
static int generation;
if (generation != serverGeneration)
{
generation = serverGeneration;
atomLocalProperty = XInternAtom (pDisplay, WIN_LOCAL_PROPERTY, False);
atomUTF8String = XInternAtom (pDisplay, "UTF8_STRING", False);
atomCompoundText = XInternAtom (pDisplay, "COMPOUND_TEXT", False);
atomTargets = XInternAtom (pDisplay, "TARGETS", False);
}
/* Process all pending events */
while (XPending (pDisplay))