mirror of
https://github.com/VincentWei/MiniGUI.git
synced 2026-09-26 12:27:58 +08:00
implement CreateThreadForMessaging, GetThreadByWindow, CreateVirtualWindow, DestroyVirtualWindow, and VirtualWindowCleanup; move GetMainWinThread from desktop-ths.c to window.c
This commit is contained in:
Vincent Wei
+274
-10
@@ -3466,8 +3466,256 @@ BOOL GUIAPI ShowScrollBar (HWND hWnd, int iSBar, BOOL bShow)
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return TRUE;
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}
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/************************* Support for virtual window ************************/
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#ifdef _MGHAVE_VIRTUAL_WINDOW
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struct _entry_args {
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void* (*start_routine)(void *);
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void* arg;
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sem_t wait;
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void* msg_queue;
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};
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static void* _message_thread_entry (void* arg)
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{
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struct _entry_args* entry_args = (struct _entry_args*)arg;
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/* create message queue for this thread */
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if (!(entry_args->msg_queue = mg_AllocMsgQueueThisThread ()))
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goto failed;
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sem_post (&entry_args->wait);
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/* call start routine of app */
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entry_args->start_routine (entry_args->arg);
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mg_FreeMsgQueueThisThread ();
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pthread_exit (NULL);
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return NULL;
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failed:
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sem_post (&entry_args->wait);
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return NULL;
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}
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MG_EXPORT int GUIAPI CreateThreadForMessaging (pthread_t* thread,
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pthread_attr_t* attr, void* (*start_routine)(void *), void* arg,
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BOOL joinable, size_t stack_size)
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{
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pthread_attr_t new_attr;
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struct _entry_args entry_args;
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int ret;
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pthread_attr_init (&new_attr);
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if (attr == NULL) {
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attr = &new_attr;
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if (joinable)
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pthread_attr_setdetachstate (attr, PTHREAD_CREATE_JOINABLE);
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else
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pthread_attr_setdetachstate (attr, PTHREAD_CREATE_DETACHED);
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#ifdef __NOUNIX__
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if (stack_size <= 4)
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stack_size = 4;
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/* hope 4KB is enough for a message thread */
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pthread_attr_setstacksize (attr, stack_size * 1024);
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#endif
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}
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sem_init (&entry_args.wait, 0, 0);
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ret = pthread_create (thread, attr, _message_thread_entry, &entry_args);
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sem_wait (&entry_args.wait);
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sem_destroy (&entry_args.wait);
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pthread_attr_destroy (&new_attr);
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if (ret == 0 && entry_args.msg_queue == NULL) {
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// failed to create the message queue for the thread.
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ret = ENOMEM;
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}
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return ret;
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}
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BOOL GUIAPI GetThreadByWindow (HWND hWnd, pthread_t* thread)
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{
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PMAINWIN pMainWin;
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pMainWin = (PMAINWIN)hWnd;
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if (!MG_IS_WINDOW(hWnd))
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return FALSE;
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else {
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pMainWin = pMainWin->pMainWin;
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}
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*thread = pMainWin->pMsgQueue->th;
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return TRUE;
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}
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HWND GUIAPI CreateVirtualWindow (HWND hHosting,
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const char* spCaption, LINT id, WNDPROC WndProc, DWORD dwAddData)
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{
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PVIRTWIN pVirtWin;
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PMSGQUEUE pMsgQueue;
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if (!(pMsgQueue = getMsgQueueThisThread())) {
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_WRN_PRINTF ("Not a message thread!\n");
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return HWND_INVALID;
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}
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if (!(pVirtWin = calloc (1, sizeof(VIRTWIN)))) {
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return HWND_INVALID;
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}
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pVirtWin->DataType = TYPE_HWND;
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pVirtWin->WinType = TYPE_MAINWIN;
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pVirtWin->Flags = 0;
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pVirtWin->pMsgQueue = pMsgQueue;
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pVirtWin->spCaption = FixStrAlloc (strlen (spCaption));
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if (spCaption [0])
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strcpy (pVirtWin->spCaption, spCaption);
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pVirtWin->id = id;
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pVirtWin->WndProc = WndProc;
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pVirtWin->NotifProc = NULL;
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pVirtWin->dwAddData = dwAddData;
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pVirtWin->dwAddData2 = 0;
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pVirtWin->pMainWin = pVirtWin;
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if (pMsgQueue->pRootMainWin == NULL) {
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pMsgQueue->pRootMainWin = (PMAINWIN)pVirtWin;
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}
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else if (hHosting == HWND_DESKTOP || hHosting == HWND_NULL) {
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pVirtWin->pHosting = (PVIRTWIN)pMsgQueue->pRootMainWin;
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}
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else {
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if (pMsgQueue != kernel_GetMsgQueue (hHosting)) {
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free (pVirtWin);
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return HWND_INVALID;
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}
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else {
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pVirtWin->pHosting = (PVIRTWIN)hHosting;
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}
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}
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pVirtWin->pFirstHosted = NULL;
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pVirtWin->pNextHosted = NULL;
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if (SendMessage ((HWND)pVirtWin, MSG_CREATE, 0, (LPARAM)dwAddData)) {
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goto err;
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}
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pMsgQueue->nrWindows++;
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return (HWND)pVirtWin;
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err:
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free (pVirtWin);
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return HWND_INVALID;
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}
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BOOL GUIAPI DestroyVirtualWindow (HWND hVirtWnd)
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{
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PVIRTWIN pVirtWin;
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PVIRTWIN next;
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PMSGQUEUE pMsgQueue;
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MG_CHECK_RET (MG_IS_VIRTUAL_WINDOW (hVirtWnd), FALSE);
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pVirtWin = MG_GET_VIRTUAL_WINDOW_PTR (hVirtWnd);
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if (!(pMsgQueue = getMsgQueueThisThread()) ||
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pVirtWin->pMsgQueue != pMsgQueue) {
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return FALSE;
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}
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/* destroy all hosted virtual windows, main windows, and dialogs here. */
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next = pVirtWin->pFirstHosted;
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while (next) {
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if (MG_IS_VIRTUAL_WINDOW ((HWND)next)) {
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if (DestroyVirtualWindow ((HWND)next)) {
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VirtualWindowCleanup ((HWND)next);
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}
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else
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goto broken;
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}
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else if (MG_IS_MAIN_WINDOW ((HWND)next)) {
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if (DestroyMainWindow ((HWND)next)) {
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MainWindowCleanup ((HWND)next);
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}
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else
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goto broken;
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}
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else if (IsDialog((HWND)next)) {
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if (!EndDialog ((HWND)next, IDCANCEL))
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goto broken;
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}
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next = next->pNextHosted;
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}
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if (SendMessage (hVirtWnd, MSG_DESTROY, 0, 0)) {
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goto broken;
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}
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/* kill all timers of this window */
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KillTimer (hVirtWnd, 0);
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/* make the window to be invalid for PeekMessageEx, PostMessage etc */
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pVirtWin->DataType = TYPE_WINTODEL;
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ThrowAwayMessages (hVirtWnd);
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if (pVirtWin->spCaption) {
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FreeFixStr (pVirtWin->spCaption);
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pVirtWin->spCaption = NULL;
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}
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return TRUE;
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broken:
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return FALSE;
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}
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BOOL GUIAPI VirtualWindowCleanup (HWND hVirtWnd)
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{
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PVIRTWIN pVirtWin;
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PMSGQUEUE pMsgQueue;
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MG_CHECK_RET (MG_IS_VIRTUAL_WINDOW (hVirtWnd), FALSE);
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pVirtWin = MG_GET_VIRTUAL_WINDOW_PTR (hVirtWnd);
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if (!(pMsgQueue = getMsgQueueThisThread()) ||
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pVirtWin->pMsgQueue != pMsgQueue) {
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return FALSE;
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}
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_DBG_PRINTF ("window(%p), caption(%s)\n", pVirtWin, pVirtWin->spCaption);
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if (!MG_IS_DESTROYED_WINDOW (hVirtWnd)) {
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_WRN_PRINTF ("Unexpected call: Window(%p) not destroyed yet! "
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"Please call DestroyVirtualWindow() first\n", hVirtWnd);
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return FALSE;
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}
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mg_FreeMsgQueueThisThread ();
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#ifdef __THREADX__
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/* to avoid threadx keep pVirtWin's value, which will lead to wrong way */
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memset (pVirtWin, 0xcc, sizeof(VIRTWIN));
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#endif
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pMsgQueue->nrWindows--;
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free (pVirtWin);
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return TRUE;
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}
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#endif /* defined _MGHAVE_VIRTUAL_WINDOW */
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/*************************** Main window creation ****************************/
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#ifdef _MGRM_THREADS
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#if 0
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int GUIAPI CreateThreadForMainWindow (pthread_t* thread,
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pthread_attr_t* attr, void * (*start_routine)(void *), void* arg)
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{
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@@ -3491,6 +3739,22 @@ int GUIAPI CreateThreadForMainWindow (pthread_t* thread,
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return ret;
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}
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pthread_t GUIAPI GetMainWinThread (HWND hMainWnd)
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{
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#ifdef WIN32
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pthread_t ret;
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memset(&ret, 0, sizeof(pthread_t));
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MG_CHECK_RET (MG_IS_WINDOW(hMainWnd), ret);
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#else
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MG_CHECK_RET (MG_IS_WINDOW(hMainWnd), 0);
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#endif
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return ((PMAINWIN)hMainWnd)->th;
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}
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#endif /* disable code */
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#ifdef _MGRM_THREADS
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int GUIAPI WaitMainWindowClose (HWND hWnd, void** returnval)
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{
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pthread_t th;
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@@ -3600,24 +3864,24 @@ HWND GUIAPI CreateMainWindowEx2 (PMAINWINCREATE pCreateInfo,
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/*
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** Create thread infomation and message queue for this new main window.
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*/
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if ((pWin->pMessages = GetMsgQueueThisThread ()) == NULL) {
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if (!(pWin->pMessages = mg_InitMsgQueueThisThread ()) ) {
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if ((pWin->pMsgQueue = GetMsgQueueThisThread ()) == NULL) {
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if (!(pWin->pMsgQueue = mg_AllocMsgQueueThisThread ()) ) {
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free (pWin);
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return HWND_INVALID;
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}
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pWin->pMessages->pRootMainWin = pWin;
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pWin->pMsgQueue->pRootMainWin = pWin;
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}
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else {
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/* Already have a top level main window, in case of user have set
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a wrong hosting window */
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pWin->pHosting = pWin->pMessages->pRootMainWin;
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pWin->pHosting = pWin->pMsgQueue->pRootMainWin;
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}
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}
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else {
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pWin->pMessages = GetMsgQueueThisThread ();
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if (pWin->pMessages != kernel_GetMsgQueue (pCreateInfo->hHosting) ||
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pWin->pMessages == NULL) {
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pWin->pMsgQueue = GetMsgQueueThisThread ();
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if (pWin->pMsgQueue != kernel_GetMsgQueue (pCreateInfo->hHosting) ||
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pWin->pMsgQueue == NULL) {
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free (pWin);
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return HWND_INVALID;
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@@ -3632,7 +3896,7 @@ HWND GUIAPI CreateMainWindowEx2 (PMAINWINCREATE pCreateInfo,
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if (pWin->pHosting == NULL)
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pWin->pHosting = __mg_dsk_win;
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pWin->pMessages = __mg_dsk_msg_queue;
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pWin->pMsgQueue = __mg_dsk_msg_queue;
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#endif
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pWin->pMainWin = pWin;
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@@ -3833,7 +4097,7 @@ HWND GUIAPI CreateMainWindowEx2 (PMAINWINCREATE pCreateInfo,
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err:
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#ifdef _MGRM_THREADS
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if (pWin->pMessages && pWin->pHosting == NULL) {
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if (pWin->pMsgQueue && pWin->pHosting == NULL) {
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mg_FreeMsgQueueThisThread ();
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}
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#endif
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