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Windows: Don't release clipboard data before use

This commit is contained in:
Elias Naur 2006-07-15 18:31:09 +00:00
parent 0c2f7092e2
commit 52396b5a5c
1 changed files with 34 additions and 27 deletions
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61
src/native/windows/org_lwjgl_Sys.c
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@ -142,43 +142,50 @@ JNIEXPORT jboolean JNICALL Java_org_lwjgl_NativeSysImplementation_openURL
return JNI_TRUE;
}
const void * getClipboard(int type)
{
void * ret;
HANDLE hglb;
// Open the clipboard
if (!OpenClipboard(NULL))
return NULL;
hglb = GetClipboardData(type);
if (hglb != NULL) {
ret = GlobalLock(hglb);
if (ret != NULL) {
GlobalUnlock(hglb);
}
}
// Close the clipboard now we're done
CloseClipboard();
return ret;
}
JNIEXPORT jstring JNICALL Java_org_lwjgl_NativeSysImplementation_getClipboard
(JNIEnv * env, jobject ignored)
{
// Check to see if there's text available in the clipboard
BOOL textAvailable = IsClipboardFormatAvailable(CF_TEXT);
BOOL unicodeAvailable = IsClipboardFormatAvailable(CF_UNICODETEXT);
void *clipboard_data;
jstring ret;
HANDLE hglb;
const wchar_t * str;
if (unicodeAvailable) {
const wchar_t * str = (const wchar_t *) getClipboard(CF_UNICODETEXT);
return (*env)->NewString(env, str, wcslen(str));
if (!OpenClipboard(NULL))
return NULL;
hglb = GetClipboardData(CF_UNICODETEXT);
if (hglb == NULL) {
CloseClipboard();
return NULL;
}
clipboard_data = GlobalLock(hglb);
if (clipboard_data == NULL) {
CloseClipboard();
return NULL;
}
str = (const wchar_t *)clipboard_data;
ret = (*env)->NewString(env, str, wcslen(str));
} else if (textAvailable) {
return NewStringNative(env, (const char *) getClipboard(CF_TEXT));
if (!OpenClipboard(NULL))
return NULL;
hglb = GetClipboardData(CF_TEXT);
if (hglb == NULL) {
CloseClipboard();
return NULL;
}
clipboard_data = GlobalLock(hglb);
if (clipboard_data == NULL) {
CloseClipboard();
return NULL;
}
ret = NewStringNative(env, (const char *) clipboard_data);
} else {
return NULL;
}
GlobalUnlock(hglb);
CloseClipboard();
return ret;
}