diff options
Diffstat (limited to 'win/tkWinMenu.c')
| -rw-r--r-- | win/tkWinMenu.c | 88 |
1 files changed, 59 insertions, 29 deletions
diff --git a/win/tkWinMenu.c b/win/tkWinMenu.c index b101ab6..4e02e41 100644 --- a/win/tkWinMenu.c +++ b/win/tkWinMenu.c @@ -9,7 +9,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tkWinMenu.c,v 1.21.2.4 2004/10/27 00:37:38 davygrvy Exp $ + * RCS: @(#) $Id: tkWinMenu.c,v 1.21.2.5 2006/04/05 19:47:39 hobbs Exp $ */ #define OEMRESOURCE @@ -54,8 +54,6 @@ static int indicatorDimensions[2]; * time to save time. */ typedef struct ThreadSpecificData { - Tcl_HashTable commandTable; - /* A map of command ids to menu entries */ int inPostMenu; /* We cannot be re-entrant like X Windows. */ WORD lastCommandID; /* The last command ID we allocated. */ HWND menuHWND; /* A window to service popup-menu messages @@ -69,8 +67,8 @@ typedef struct ThreadSpecificData { * active items when menus go away since * Windows does not see fit to give this * to us when it sends its WM_MENUSELECT. */ - Tcl_HashTable winMenuTable; - /* Need this to map HMENUs back to menuPtrs */ + Tcl_HashTable commandTable; /* A map of command ids to menu entries */ + Tcl_HashTable winMenuTable; /* Need this to map HMENUs back to menuPtrs */ } ThreadSpecificData; static Tcl_ThreadDataKey dataKey; @@ -251,11 +249,16 @@ FreeID(commandID) ThreadSpecificData *tsdPtr = (ThreadSpecificData *) Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData)); - Tcl_HashEntry *entryPtr = Tcl_FindHashEntry(&tsdPtr->commandTable, - (char *) commandID); - - if (entryPtr != NULL) { - Tcl_DeleteHashEntry(entryPtr); + /* + * If the menuHWND is NULL, this table has been finalized already. + */ + + if (tsdPtr->menuHWND != NULL) { + Tcl_HashEntry *entryPtr = Tcl_FindHashEntry(&tsdPtr->commandTable, + (char *) commandID); + if (entryPtr != NULL) { + Tcl_DeleteHashEntry(entryPtr); + } } } @@ -289,7 +292,7 @@ TkpNewMenu(menuPtr) Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData)); winMenuHdl = CreatePopupMenu(); - + if (winMenuHdl == NULL) { Tcl_AppendResult(menuPtr->interp, "No more menus can be allocated.", (char *) NULL); @@ -301,8 +304,8 @@ TkpNewMenu(menuPtr) * back when dispatch messages. */ - hashEntryPtr = Tcl_CreateHashEntry(&tsdPtr->winMenuTable, (char *) winMenuHdl, - &newEntry); + hashEntryPtr = Tcl_CreateHashEntry(&tsdPtr->winMenuTable, + (char *) winMenuHdl, &newEntry); Tcl_SetHashValue(hashEntryPtr, (char *) menuPtr); menuPtr->platformData = (TkMenuPlatformData) winMenuHdl; @@ -370,16 +373,17 @@ TkpDestroyMenu(menuPtr) } } } else { - Tcl_HashEntry *hashEntryPtr; - /* * Remove the menu from the menu hash table, then destroy the handle. + * If the menuHWND is NULL, this table has been finalized already. */ - hashEntryPtr = Tcl_FindHashEntry(&tsdPtr->winMenuTable, - (char *) winMenuHdl); - if (hashEntryPtr != NULL) { - Tcl_DeleteHashEntry(hashEntryPtr); + if (tsdPtr->menuHWND != NULL) { + Tcl_HashEntry *hashEntryPtr = + Tcl_FindHashEntry(&tsdPtr->winMenuTable, (char *) winMenuHdl); + if (hashEntryPtr != NULL) { + Tcl_DeleteHashEntry(hashEntryPtr); + } } DestroyMenu(winMenuHdl); } @@ -2806,8 +2810,7 @@ TkpMenuNotifyToplevelCreate( * * MenuExitHandler -- * - * Throws away the utility window needed for menus and unregisters - * the class. + * Unregisters the class of utility windows. * * Results: * None. @@ -2822,11 +2825,38 @@ static void MenuExitHandler( ClientData clientData) /* Not used */ { - ThreadSpecificData *tsdPtr = (ThreadSpecificData *) - Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData)); + UnregisterClass(MENU_CLASS_NAME, Tk_GetHINSTANCE()); +} + +/* + *---------------------------------------------------------------------- + * + * MenuExitHandler -- + * + * Throws away the utility window needed for menus and delete hash + * tables. + * + * Results: + * None. + * + * Side effects: + * Menus have to be reinitialized next time. + * + *---------------------------------------------------------------------- + */ + +static void +MenuThreadExitHandler( + ClientData clientData) /* Not used */ +{ + ThreadSpecificData *tsdPtr = (ThreadSpecificData *) + Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData)); DestroyWindow(tsdPtr->menuHWND); - UnregisterClass(MENU_CLASS_NAME, Tk_GetHINSTANCE()); + tsdPtr->menuHWND = NULL; + + Tcl_DeleteHashTable(&tsdPtr->winMenuTable); + Tcl_DeleteHashTable(&tsdPtr->commandTable); } /* @@ -2996,8 +3026,6 @@ void TkpMenuInit() { WNDCLASS wndClass; - ThreadSpecificData *tsdPtr = (ThreadSpecificData *) - Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData)); wndClass.style = CS_OWNDC; wndClass.lpfnWndProc = TkWinMenuProc; @@ -3011,9 +3039,6 @@ TkpMenuInit() wndClass.lpszClassName = MENU_CLASS_NAME; RegisterClass(&wndClass); - tsdPtr->menuHWND = CreateWindow(MENU_CLASS_NAME, "MenuWindow", WS_POPUP, - 0, 0, 10, 10, NULL, NULL, Tk_GetHINSTANCE(), NULL); - TkCreateExitHandler(MenuExitHandler, (ClientData) NULL); SetDefaults(1); } @@ -3040,6 +3065,11 @@ TkpMenuThreadInit() ThreadSpecificData *tsdPtr = (ThreadSpecificData *) Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData)); + tsdPtr->menuHWND = CreateWindow(MENU_CLASS_NAME, "MenuWindow", WS_POPUP, + 0, 0, 10, 10, NULL, NULL, Tk_GetHINSTANCE(), NULL); + Tcl_InitHashTable(&tsdPtr->winMenuTable, TCL_ONE_WORD_KEYS); Tcl_InitHashTable(&tsdPtr->commandTable, TCL_ONE_WORD_KEYS); + + Tcl_CreateThreadExitHandler(MenuThreadExitHandler, (ClientData) NULL); } |