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implement __mg_throw_away_messages and tune ThrowAwayMessages

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This commit is contained in:
Vincent Wei
2020-02-27 21:04:02 +08:00
parent ba2e8358b2
commit 6b1b850312
1 changed files with 39 additions and 42 deletions
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src/kernel/message.c
+39 -42
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@@ -1435,14 +1435,10 @@ LRESULT GUIAPI DispatchMessage (PMSG pMsg)
return lRet;
}
/* define this to print debug info of ThrowAwayMessages */
/* #define _DEBUG_TAM 1 */
#undef _DEBUG_TAM
int GUIAPI ThrowAwayMessages (HWND hWnd)
int __mg_throw_away_messages (PMSGQUEUE pMsgQueue, HWND hWnd)
{
PMAINWIN pMainWin = NULL;
PMSG pMsg;
PMSGQUEUE pMsgQueue = NULL;
PQMSG pQMsg;
int nCountN = 0;
int nCountS = 0;
@@ -1450,26 +1446,19 @@ int GUIAPI ThrowAwayMessages (HWND hWnd)
int readpos;
int slot;
if (hWnd && hWnd != HWND_INVALID) {
PMAINWIN pWin = (PMAINWIN)hWnd;
if (pWin->DataType == TYPE_HWND || pWin->DataType == TYPE_WINTODEL) {
pMsgQueue = pWin->pMainWin->pMsgQueue;
}
}
if (pMsgQueue == NULL)
return ERR_INV_HWND;
LOCK_MSGQ (pMsgQueue);
if (MG_IS_MAIN_WINDOW (hWnd))
pMainWin = (PMAINWIN)hWnd;
if (pMsgQueue->pFirstNotifyMsg) {
pQMsg = pMsgQueue->pFirstNotifyMsg;
while (pQMsg) {
pMsg = &pQMsg->Msg;
if (pMsg->hwnd == hWnd || gui_GetMainWindowPtrOfControl (pMsg->hwnd)
== (PMAINWIN)hWnd) {
if (pMsg->hwnd == hWnd ||
gui_GetMainWindowPtrOfControl (pMsg->hwnd) == pMainWin) {
pMsg->hwnd = HWND_INVALID;
nCountN ++;
}
@@ -1478,9 +1467,8 @@ int GUIAPI ThrowAwayMessages (HWND hWnd)
}
}
#ifdef _DEBUG_TAM
printf ("ThrowAwayMessages: %d notification messages thrown\n", nCountN);
#endif
_DBG_PRINTF ("%d notification messages thrown for window: %p\n",
nCountN, hWnd);
#ifdef _MGHAVE_VIRTUAL_WINDOW
if (pMsgQueue->pFirstSyncMsg) {
@@ -1490,8 +1478,8 @@ int GUIAPI ThrowAwayMessages (HWND hWnd)
while (pSyncMsg) {
pMsg = &pSyncMsg->Msg;
if (pMsg->hwnd == hWnd || gui_GetMainWindowPtrOfControl (pMsg->hwnd)
== (PMAINWIN)hWnd) {
if (pMsg->hwnd == hWnd ||
gui_GetMainWindowPtrOfControl (pMsg->hwnd) == pMainWin) {
pMsg->hwnd = HWND_INVALID;
nCountS ++;
@@ -1519,41 +1507,31 @@ int GUIAPI ThrowAwayMessages (HWND hWnd)
}
}
#ifdef _DEBUG_TAM
printf ("ThrowAwayMessages: %d sync messages thrown\n", nCountS);
#endif
#endif
_DBG_PRINTF ("%d sync messages thrown for window %p\n", nCountS, hWnd);
#endif /* defined _MGHAVE_VIRTUAL_WINDOW */
readpos = pMsgQueue->readpos;
while (readpos != pMsgQueue->writepos) {
pMsg = pMsgQueue->msg + readpos;
if (pMsg->hwnd == hWnd
|| gui_GetMainWindowPtrOfControl (pMsg->hwnd) == (PMAINWIN)hWnd) {
if (pMsg->hwnd == hWnd ||
gui_GetMainWindowPtrOfControl (pMsg->hwnd) == pMainWin) {
pMsg->hwnd = HWND_INVALID;
nCountP ++;
}
readpos++;
#if 0
if (readpos >= pMsgQueue->len) readpos = 0;
#else
readpos %= pMsgQueue->len;
#endif
}
#ifdef _DEBUG_TAM
printf ("ThrowAwayMessages: %d post messages thrown\n", nCountP);
#endif
_DBG_PRINTF ("%d post messages thrown for window %p\n", nCountP, hWnd);
/* clear timer message flags of this window */
for (slot = 0; slot < DEF_NR_TIMERS; slot++) {
if (pMsgQueue->expired_timer_mask & (0x01UL << slot)) {
HWND timer_wnd = pMsgQueue->timer_slots [slot]->hWnd;
if (timer_wnd == hWnd
|| (MG_IS_MAIN_VIRT_WINDOW (hWnd) &&
gui_GetMainWindowPtrOfControl (timer_wnd) == (PMAINWIN)hWnd)) {
if (timer_wnd == hWnd ||
gui_GetMainWindowPtrOfControl (timer_wnd) == pMainWin) {
pMsgQueue->expired_timer_mask &= ~(0x01UL << slot);
}
}
@@ -1564,6 +1542,23 @@ int GUIAPI ThrowAwayMessages (HWND hWnd)
return nCountN + nCountS + nCountP;
}
int GUIAPI ThrowAwayMessages (HWND hWnd)
{
PMSGQUEUE pMsgQueue = NULL;
if (hWnd && hWnd != HWND_INVALID) {
PMAINWIN pWin = (PMAINWIN)hWnd;
if (pWin->DataType == TYPE_HWND || pWin->DataType == TYPE_WINTODEL) {
pMsgQueue = pWin->pMainWin->pMsgQueue;
}
}
if (pMsgQueue == NULL)
return ERR_INV_HWND;
return __mg_throw_away_messages (pMsgQueue, hWnd);
}
#ifndef _MGHAVE_VIRTUAL_WINDOW
BOOL GUIAPI EmptyMessageQueue (HWND hWnd)
@@ -1696,7 +1691,8 @@ LRESULT SendSyncMessage (HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
return SyncMsg.retval;
}
LRESULT GUIAPI PostSyncMessage (HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
LRESULT GUIAPI PostSyncMessage (HWND hWnd, UINT msg,
WPARAM wParam, LPARAM lParam)
{
MG_CHECK_RET (MG_IS_WINDOW(hWnd), -1);
if (getMainWinIfWindowInThisThread(hWnd))
@@ -1705,7 +1701,8 @@ LRESULT GUIAPI PostSyncMessage (HWND hWnd, UINT msg, WPARAM wParam, LPARAM lPara
return SendSyncMessage (hWnd, msg, wParam, lParam);
}
LRESULT GUIAPI SendAsyncMessage (HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam)
LRESULT GUIAPI SendAsyncMessage (HWND hWnd, UINT nMsg,
WPARAM wParam, LPARAM lParam)
{
WNDPROC WndProc;