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Diffstat (limited to 'carbon/tkMacOSXEmbed.c')
| -rw-r--r-- | carbon/tkMacOSXEmbed.c | 1184 |
1 files changed, 0 insertions, 1184 deletions
diff --git a/carbon/tkMacOSXEmbed.c b/carbon/tkMacOSXEmbed.c deleted file mode 100644 index 39e9aaa..0000000 --- a/carbon/tkMacOSXEmbed.c +++ /dev/null @@ -1,1184 +0,0 @@ -/* - * tkMacOSXEmbed.c -- - * - * This file contains platform-specific procedures for theMac to provide - * basic operations needed for application embedding (where one - * application can use as its main window an internal window from some - * other application). Currently only Toplevel embedding within the same - * Tk application is allowed on the Macintosh. - * - * Copyright (c) 1996-1997 Sun Microsystems, Inc. - * Copyright 2001, Apple Computer, Inc. - * Copyright (c) 2006-2008 Daniel A. Steffen <das@users.sourceforge.net> - * - * See the file "license.terms" for information on usage and redistribution of - * this file, and for a DISCLAIMER OF ALL WARRANTIES. - */ - -#include "tkMacOSXInt.h" -#include "tkBusy.h" - -/* - * One of the following structures exists for each container in this - * application. It keeps track of the container window and its associated - * embedded window. - */ - -typedef struct Container { - Window parent; /* The Mac Drawable for the parent of the pair - * (the container). */ - TkWindow *parentPtr; /* Tk's information about the container, or - * NULL if the container isn't in this - * process. */ - Window embedded; /* The MacDrawable for the embedded window. - * Starts off as None, but gets filled in when - * the window is eventually created. */ - TkWindow *embeddedPtr; /* Tk's information about the embedded window, - * or NULL if the embedded application isn't - * in this process. */ - struct Container *nextPtr; /* Next in list of all containers in this - * process. */ -} Container; - -static Container *firstContainerPtr = NULL; - /* First in list of all containers managed by - * this process. */ -/* - * Globals defined in this file: - */ - -TkMacOSXEmbedHandler *tkMacOSXEmbedHandler = NULL; - -/* - * Prototypes for static procedures defined in this file: - */ - -static void ContainerEventProc(ClientData clientData, XEvent *eventPtr); -static void EmbeddedEventProc(ClientData clientData, XEvent *eventPtr); -static void EmbedActivateProc(ClientData clientData, XEvent *eventPtr); -static void EmbedFocusProc(ClientData clientData, XEvent *eventPtr); -static void EmbedGeometryRequest(Container *containerPtr, int width, - int height); -static void EmbedSendConfigure(Container *containerPtr); -static void EmbedStructureProc(ClientData clientData, XEvent *eventPtr); -static void EmbedWindowDeleted(TkWindow *winPtr); - -/* - *---------------------------------------------------------------------- - * - * Tk_MacOSXSetEmbedHandler -- - * - * Registers a handler for an in process form of embedding, like Netscape - * plugins, where Tk is loaded into the process, but does not control the - * main window - * - * Results: - * None - * - * Side effects: - * The embed handler is set. - * - *---------------------------------------------------------------------- - */ - -void -Tk_MacOSXSetEmbedHandler( - Tk_MacOSXEmbedRegisterWinProc *registerWinProc, - Tk_MacOSXEmbedGetGrafPortProc *getPortProc, - Tk_MacOSXEmbedMakeContainerExistProc *containerExistProc, - Tk_MacOSXEmbedGetClipProc *getClipProc, - Tk_MacOSXEmbedGetOffsetInParentProc *getOffsetProc) -{ - if (tkMacOSXEmbedHandler == NULL) { - tkMacOSXEmbedHandler = ckalloc(sizeof(TkMacOSXEmbedHandler)); - } - tkMacOSXEmbedHandler->registerWinProc = registerWinProc; - tkMacOSXEmbedHandler->getPortProc = getPortProc; - tkMacOSXEmbedHandler->containerExistProc = containerExistProc; - tkMacOSXEmbedHandler->getClipProc = getClipProc; - tkMacOSXEmbedHandler->getOffsetProc = getOffsetProc; -} - -/* - *---------------------------------------------------------------------- - * - * TkpMakeWindow -- - * - * Creates an X Window (Mac subwindow). - * - * Results: - * The window id is returned. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -Window -TkpMakeWindow( - TkWindow *winPtr, - Window parent) -{ - MacDrawable *macWin; - - /* - * If this window is marked as embedded then the window structure should - * have already been created in the TkpUseWindow function. - */ - - if (Tk_IsEmbedded(winPtr)) { - macWin = winPtr->privatePtr; - } else { - /* - * Allocate sub window - */ - - macWin = ckalloc(sizeof(MacDrawable)); - if (macWin == NULL) { - winPtr->privatePtr = NULL; - return None; - } - macWin->winPtr = winPtr; - winPtr->privatePtr = macWin; - macWin->visRgn = NULL; - macWin->aboveVisRgn = NULL; - macWin->drawRect = CGRectNull; - macWin->referenceCount = 0; - macWin->flags = TK_CLIP_INVALID; - macWin->grafPtr = NULL; - macWin->context = NULL; - macWin->size = CGSizeZero; - if (Tk_IsTopLevel(macWin->winPtr)) { - /* - * This will be set when we are mapped. - */ - - macWin->xOff = 0; - macWin->yOff = 0; - macWin->toplevel = macWin; - } else { - macWin->xOff = winPtr->parentPtr->privatePtr->xOff + - winPtr->parentPtr->changes.border_width + - winPtr->changes.x; - macWin->yOff = winPtr->parentPtr->privatePtr->yOff + - winPtr->parentPtr->changes.border_width + - winPtr->changes.y; - macWin->toplevel = winPtr->parentPtr->privatePtr->toplevel; - } - macWin->toplevel->referenceCount++; - } - return (Window) macWin; -} - -/* - *---------------------------------------------------------------------- - * - * TkpUseWindow -- - * - * This procedure causes a Tk window to use a given X window as its - * parent window, rather than the root window for the screen. It is - * invoked by an embedded application to specify the window in which it - * is embedded. - * - * Results: - * The return value is normally TCL_OK. If an error occurs (such as - * string not being a valid window spec), then the return value is - * TCL_ERROR and an error message is left in the interp's result if - * interp is non-NULL. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -int -TkpUseWindow( - Tcl_Interp *interp, /* If not NULL, used for error reporting if - * string is bogus. */ - Tk_Window tkwin, /* Tk window that does not yet have an - * associated X window. */ - const char *string) /* String identifying an X window to use for - * tkwin; must be an integer value. */ -{ - TkWindow *winPtr = (TkWindow *) tkwin; - TkWindow *usePtr; - MacDrawable *parent, *macWin; - Container *containerPtr; - - if (winPtr->window != None) { - Tcl_SetObjResult(interp, Tcl_NewStringObj( - "can't modify container after widget is created", -1)); - Tcl_SetErrorCode(interp, "TK", "EMBED", "POST_CREATE", NULL); - return TCL_ERROR; - } - - /* - * Decode the container pointer, and look for it among the list of - * available containers. - * - * N.B. For now, we are limiting the containers to be in the same Tk - * application as tkwin, since otherwise they would not be in our list of - * containers. - */ - - if (Tcl_GetInt(interp, string, (int*) &parent) != TCL_OK) { - return TCL_ERROR; - } - - usePtr = (TkWindow *) Tk_IdToWindow(winPtr->display, (Window) parent); - if (usePtr != NULL && !(usePtr->flags & TK_CONTAINER)) { - Tcl_SetObjResult(interp, Tcl_ObjPrintf( - "window \"%s\" doesn't have -container option set", - usePtr->pathName)); - Tcl_SetErrorCode(interp, "TK", "EMBED", "CONTAINER", NULL); - return TCL_ERROR; - } - - /* - * The code below can probably be simplified given we have already - * discovered 'usePtr' above. - */ - - /* - * Save information about the container and the embedded window in a - * Container structure. Currently, there must already be an existing - * Container structure, since we only allow the case where both container - * and embedded app. are in the same process. - */ - - for (containerPtr = firstContainerPtr; containerPtr != NULL; - containerPtr = containerPtr->nextPtr) { - if (containerPtr->parent == (Window) parent) { - winPtr->flags |= TK_BOTH_HALVES; - containerPtr->parentPtr->flags |= TK_BOTH_HALVES; - break; - } - } - - /* - * Make the embedded window. - */ - - macWin = ckalloc(sizeof(MacDrawable)); - if (macWin == NULL) { - winPtr->privatePtr = NULL; - return TCL_ERROR; - } - - macWin->winPtr = winPtr; - winPtr->privatePtr = macWin; - - /* - * The grafPtr will be NULL for a Tk in Tk embedded window. It is none of - * our business what it is for a Tk not in Tk embedded window, but we will - * initialize it to NULL, and let the registerWinProc set it. In any case, - * you must always use TkMacOSXGetDrawablePort to get the portPtr. It will - * correctly find the container's port. - */ - - macWin->grafPtr = NULL; - macWin->context = NULL; - macWin->size = CGSizeZero; - macWin->visRgn = NULL; - macWin->aboveVisRgn = NULL; - macWin->drawRect = CGRectNull; - macWin->referenceCount = 0; - macWin->flags = TK_CLIP_INVALID; - macWin->toplevel = macWin; - macWin->toplevel->referenceCount++; - - winPtr->flags |= TK_EMBEDDED; - - /* - * Make a copy of the TK_EMBEDDED flag, since sometimes we need this to - * get the port after the TkWindow structure has been freed. - */ - - macWin->flags |= TK_EMBEDDED; - - /* - * Now check whether it is embedded in another Tk widget. If not (the - * first case below) we see if there is an in-process embedding handler - * registered, and if so, let that fill in the rest of the macWin. - */ - - if (containerPtr == NULL) { - /* - * If someone has registered an in process embedding handler, then - * see if it can handle this window... - */ - - if (tkMacOSXEmbedHandler == NULL || - tkMacOSXEmbedHandler->registerWinProc((int) parent, - (Tk_Window) winPtr) != TCL_OK) { - Tcl_SetObjResult(interp, Tcl_ObjPrintf( - "The window ID %s does not correspond to a valid Tk Window", - string)); - Tcl_SetErrorCode(interp, "TK", "EMBED", "HANDLE", NULL); - return TCL_ERROR; - } else { - containerPtr = ckalloc(sizeof(Container)); - - containerPtr->parentPtr = NULL; - containerPtr->embedded = (Window) macWin; - containerPtr->embeddedPtr = macWin->winPtr; - containerPtr->nextPtr = firstContainerPtr; - firstContainerPtr = containerPtr; - } - } else { - /* - * The window is embedded in another Tk window. - */ - - macWin->xOff = parent->winPtr->privatePtr->xOff + - parent->winPtr->changes.border_width + - winPtr->changes.x; - macWin->yOff = parent->winPtr->privatePtr->yOff + - parent->winPtr->changes.border_width + - winPtr->changes.y; - - /* - * Finish filling up the container structure with the embedded - * window's information. - */ - - containerPtr->embedded = (Window) macWin; - containerPtr->embeddedPtr = macWin->winPtr; - - /* - * Create an event handler to clean up the Container structure when - * tkwin is eventually deleted. - */ - - Tk_CreateEventHandler(tkwin, StructureNotifyMask, EmbeddedEventProc, - winPtr); - } - - return TCL_OK; -} - -/* - *---------------------------------------------------------------------- - * - * TkpMakeContainer -- - * - * This procedure is called to indicate that a particular window will be - * a container for an embedded application. This changes certain aspects - * of the window's behavior, such as whether it will receive events - * anymore. - * - * Results: - * None. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -void -TkpMakeContainer( - Tk_Window tkwin) /* Token for a window that is about to become - * a container. */ -{ - TkWindow *winPtr = (TkWindow *) tkwin; - Container *containerPtr; - - /* - * Register the window as a container so that, for example, we can make - * sure the argument to -use is valid. - */ - - Tk_MakeWindowExist(tkwin); - containerPtr = ckalloc(sizeof(Container)); - containerPtr->parent = Tk_WindowId(tkwin); - containerPtr->parentPtr = winPtr; - containerPtr->embedded = None; - containerPtr->embeddedPtr = NULL; - containerPtr->nextPtr = firstContainerPtr; - firstContainerPtr = containerPtr; - winPtr->flags |= TK_CONTAINER; - - /* - * Request SubstructureNotify events so that we can find out when the - * embedded application creates its window or attempts to resize it. Also - * watch Configure events on the container so that we can resize the child - * to match. Also, pass activate events from the container down to the - * embedded toplevel. - */ - - Tk_CreateEventHandler(tkwin, - SubstructureNotifyMask|SubstructureRedirectMask, - ContainerEventProc, winPtr); - Tk_CreateEventHandler(tkwin, StructureNotifyMask, EmbedStructureProc, - containerPtr); - Tk_CreateEventHandler(tkwin, ActivateMask, EmbedActivateProc, - containerPtr); - Tk_CreateEventHandler(tkwin, FocusChangeMask, EmbedFocusProc, - containerPtr); -} - -/* - *---------------------------------------------------------------------- - * - * TkMacOSXContainerId -- - * - * Given an embedded window, this procedure returns the MacDrawable - * identifier for the associated container window. - * - * Results: - * The return value is the MacDrawable for winPtr's container window. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -MacDrawable * -TkMacOSXContainerId( - TkWindow *winPtr) /* Tk's structure for an embedded window. */ -{ - Container *containerPtr; - - for (containerPtr = firstContainerPtr; containerPtr != NULL; - containerPtr = containerPtr->nextPtr) { - if (containerPtr->embeddedPtr == winPtr) { - return (MacDrawable *) containerPtr->parent; - } - } - Tcl_Panic("TkMacOSXContainerId couldn't find window"); - return None; -} - -/* - *---------------------------------------------------------------------- - * - * TkMacOSXGetHostToplevel -- - * - * Given the TkWindow, return the MacDrawable for the outermost toplevel - * containing it. This will be a real Macintosh window. - * - * Results: - * Returns a MacDrawable corresponding to a Macintosh Toplevel - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -MacDrawable * -TkMacOSXGetHostToplevel( - TkWindow *winPtr) /* Tk's structure for a window. */ -{ - TkWindow *contWinPtr, *topWinPtr; - - topWinPtr = winPtr->privatePtr->toplevel->winPtr; - if (!Tk_IsEmbedded(topWinPtr)) { - return winPtr->privatePtr->toplevel; - } - contWinPtr = TkpGetOtherWindow(topWinPtr); - - /* - * TODO: Here we should handle out of process embedding. - */ - - if (contWinPtr == NULL) { - return None; - } - return TkMacOSXGetHostToplevel(contWinPtr); -} - -/* - *---------------------------------------------------------------------- - * - * TkpClaimFocus -- - * - * This procedure is invoked when someone asks for the input focus to be - * put on a window in an embedded application, but the application - * doesn't currently have the focus. It requests the input focus from the - * container application. - * - * Results: - * None. - * - * Side effects: - * The input focus may change. - * - *---------------------------------------------------------------------- - */ - -void -TkpClaimFocus( - TkWindow *topLevelPtr, /* Top-level window containing desired focus - * window; should be embedded. */ - int force) /* One means that the container should claim - * the focus if it doesn't currently have - * it. */ -{ - XEvent event; - Container *containerPtr; - - if (!(topLevelPtr->flags & TK_EMBEDDED)) { - return; - } - - for (containerPtr = firstContainerPtr; - containerPtr->embeddedPtr != topLevelPtr; - containerPtr = containerPtr->nextPtr) { - /* Empty loop body. */ - } - - event.xfocus.type = FocusIn; - event.xfocus.serial = LastKnownRequestProcessed(topLevelPtr->display); - event.xfocus.send_event = 1; - event.xfocus.display = topLevelPtr->display; - event.xfocus.window = containerPtr->parent; - event.xfocus.mode = EMBEDDED_APP_WANTS_FOCUS; - event.xfocus.detail = force; - Tk_QueueWindowEvent(&event,TCL_QUEUE_TAIL); -} - -/* - *---------------------------------------------------------------------- - * - * TkpTestembedCmd -- - * - * This procedure implements the "testembed" command. It returns some or - * all of the information in the list pointed to by firstContainerPtr. - * - * Results: - * A standard Tcl result. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -int -TkpTestembedCmd( - ClientData clientData, /* Main window for application. */ - Tcl_Interp *interp, /* Current interpreter. */ - int argc, /* Number of arguments. */ - const char **argv) /* Argument strings. */ -{ - int all; - Container *containerPtr; - Tcl_DString dString; - char buffer[50]; - - if ((argc > 1) && (strcmp(argv[1], "all") == 0)) { - all = 1; - } else { - all = 0; - } - Tcl_DStringInit(&dString); - for (containerPtr = firstContainerPtr; containerPtr != NULL; - containerPtr = containerPtr->nextPtr) { - Tcl_DStringStartSublist(&dString); - if (containerPtr->parent == None) { - Tcl_DStringAppendElement(&dString, ""); - } else if (all) { - sprintf(buffer, "0x%x", (int) containerPtr->parent); - Tcl_DStringAppendElement(&dString, buffer); - } else { - Tcl_DStringAppendElement(&dString, "XXX"); - } - if (containerPtr->parentPtr == NULL) { - Tcl_DStringAppendElement(&dString, ""); - } else { - Tcl_DStringAppendElement(&dString, - containerPtr->parentPtr->pathName); - } - if (containerPtr->embedded == None) { - Tcl_DStringAppendElement(&dString, ""); - } else if (all) { - sprintf(buffer, "0x%x", (int) containerPtr->embedded); - Tcl_DStringAppendElement(&dString, buffer); - } else { - Tcl_DStringAppendElement(&dString, "XXX"); - } - if (containerPtr->embeddedPtr == NULL) { - Tcl_DStringAppendElement(&dString, ""); - } else { - Tcl_DStringAppendElement(&dString, - containerPtr->embeddedPtr->pathName); - } - Tcl_DStringEndSublist(&dString); - } - Tcl_DStringResult(interp, &dString); - return TCL_OK; -} - -/* - *---------------------------------------------------------------------- - * - * TkpRedirectKeyEvent -- - * - * This procedure is invoked when a key press or release event arrives - * for an application that does not believe it owns the input focus. This - * can happen because of embedding; for example, X can send an event to - * an embedded application when the real focus window is in the container - * application and is an ancestor of the container. This procedure's job - * is to forward the event back to the application where it really - * belongs. - * - * Results: - * None. - * - * Side effects: - * The event may get sent to a different application. - * - *---------------------------------------------------------------------- - */ - -void -TkpRedirectKeyEvent( - TkWindow *winPtr, /* Window to which the event was originally - * reported. */ - XEvent *eventPtr) /* X event to redirect (should be KeyPress or - * KeyRelease). */ -{ - /* TODO: Implement this or decide it definitely needs no implementation */ -} - -/* - *---------------------------------------------------------------------- - * - * TkpGetOtherWindow -- - * - * If both the container and embedded window are in the same process, - * this procedure will return either one, given the other. - * - * Results: - * If winPtr is a container, the return value is the token for the - * embedded window, and vice versa. If the "other" window isn't in this - * process, NULL is returned. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -TkWindow * -TkpGetOtherWindow( - TkWindow *winPtr) /* Tk's structure for a container or embedded - * window. */ -{ - Container *containerPtr; - - /* - * TkpGetOtherWindow returns NULL if both windows are not in the same - * process... - */ - - if (!(winPtr->flags & TK_BOTH_HALVES)) { - return NULL; - } - - for (containerPtr = firstContainerPtr; containerPtr != NULL; - containerPtr = containerPtr->nextPtr) { - if (containerPtr->embeddedPtr == winPtr) { - return containerPtr->parentPtr; - } else if (containerPtr->parentPtr == winPtr) { - return containerPtr->embeddedPtr; - } - } - return NULL; -} - -/* - *---------------------------------------------------------------------- - * - * EmbeddedEventProc -- - * - * This procedure is invoked by the Tk event dispatcher when various - * useful events are received for a window that is embedded in - * another application. - * - * Results: - * None. - * - * Side effects: - * Our internal state gets cleaned up when an embedded window is - * destroyed. - * - *---------------------------------------------------------------------- - */ - -static void -EmbeddedEventProc( - ClientData clientData, /* Token for container window. */ - XEvent *eventPtr) /* ResizeRequest event. */ -{ - TkWindow *winPtr = clientData; - - if (eventPtr->type == DestroyNotify) { - EmbedWindowDeleted(winPtr); - } -} - -/* - *---------------------------------------------------------------------- - * - * ContainerEventProc -- - * - * This procedure is invoked by the Tk event dispatcher when various - * useful events are received for the children of a container window. It - * forwards relevant information, such as geometry requests, from the - * events into the container's application. - * - * NOTE: on the Mac, only the DestroyNotify branch is ever taken. We - * don't synthesize the other events. - * - * Results: - * None. - * - * Side effects: - * Depends on the event. For example, when ConfigureRequest events occur, - * geometry information gets set for the container window. - * - *---------------------------------------------------------------------- - */ - -static void -ContainerEventProc( - ClientData clientData, /* Token for container window. */ - XEvent *eventPtr) /* ResizeRequest event. */ -{ - TkWindow *winPtr = clientData; - Container *containerPtr; - Tk_ErrorHandler errHandler; - - /* - * Ignore any X protocol errors that happen in this procedure (almost any - * operation could fail, for example, if the embedded application has - * deleted its window). - */ - - errHandler = Tk_CreateErrorHandler(eventPtr->xfocus.display, -1, - -1, -1, NULL, NULL); - - /* - * Find the Container structure associated with the parent window. - */ - - for (containerPtr = firstContainerPtr; - containerPtr->parent != eventPtr->xmaprequest.parent; - containerPtr = containerPtr->nextPtr) { - if (containerPtr == NULL) { - Tcl_Panic("ContainerEventProc couldn't find Container record"); - } - } - - if (eventPtr->type == CreateNotify) { - /* - * A new child window has been created in the container. Record its id - * in the Container structure (if more than one child is created, just - * remember the last one and ignore the earlier ones). - */ - - containerPtr->embedded = eventPtr->xcreatewindow.window; - } else if (eventPtr->type == ConfigureRequest) { - if ((eventPtr->xconfigurerequest.x != 0) - || (eventPtr->xconfigurerequest.y != 0)) { - /* - * The embedded application is trying to move itself, which isn't - * legal. At this point, the window hasn't actually moved, but we - * need to send it a ConfigureNotify event to let it know that its - * request has been denied. If the embedded application was also - * trying to resize itself, a ConfigureNotify will be sent by the - * geometry management code below, so we don't need to do - * anything. Otherwise, generate a synthetic event. - */ - - if ((eventPtr->xconfigurerequest.width == winPtr->changes.width) - && (eventPtr->xconfigurerequest.height - == winPtr->changes.height)) { - EmbedSendConfigure(containerPtr); - } - } - EmbedGeometryRequest(containerPtr, - eventPtr->xconfigurerequest.width, - eventPtr->xconfigurerequest.height); - } else if (eventPtr->type == MapRequest) { - /* - * The embedded application's map request was ignored and simply - * passed on to us, so we have to map the window for it to appear on - * the screen. - */ - - XMapWindow(eventPtr->xmaprequest.display, - eventPtr->xmaprequest.window); - } else if (eventPtr->type == DestroyNotify) { - /* - * The embedded application is gone. Destroy the container window. - */ - - Tk_DestroyWindow((Tk_Window) winPtr); - } - Tk_DeleteErrorHandler(errHandler); -} - -/* - *---------------------------------------------------------------------- - * - * EmbedStructureProc -- - * - * This procedure is invoked by the Tk event dispatcher when a container - * window owned by this application gets resized (and also at several - * other times that we don't care about). This procedure reflects the - * size change in the embedded window that corresponds to the container. - * - * Results: - * None. - * - * Side effects: - * The embedded window gets resized to match the container. - * - *---------------------------------------------------------------------- - */ - -static void -EmbedStructureProc( - ClientData clientData, /* Token for container window. */ - XEvent *eventPtr) /* ResizeRequest event. */ -{ - Container *containerPtr = clientData; - Tk_ErrorHandler errHandler; - - if (eventPtr->type == ConfigureNotify) { - if (containerPtr->embedded != None) { - /* - * Ignore errors, since the embedded application could have - * deleted its window. - */ - - errHandler = Tk_CreateErrorHandler(eventPtr->xfocus.display, -1, - -1, -1, NULL, NULL); - Tk_MoveResizeWindow((Tk_Window) containerPtr->embeddedPtr, 0, 0, - (unsigned) Tk_Width((Tk_Window) containerPtr->parentPtr), - (unsigned) Tk_Height((Tk_Window)containerPtr->parentPtr)); - Tk_DeleteErrorHandler(errHandler); - } - } else if (eventPtr->type == DestroyNotify) { - EmbedWindowDeleted(containerPtr->parentPtr); - } -} - -/* - *---------------------------------------------------------------------- - * - * EmbedActivateProc -- - * - * This procedure is invoked by the Tk event dispatcher when Activate and - * Deactivate events occur for a container window owned by this - * application. It is responsible for forwarding an activate event down - * into the embedded toplevel. - * - * Results: - * None. - * - * Side effects: - * The X focus may change. - * - *---------------------------------------------------------------------- - */ - -static void -EmbedActivateProc( - ClientData clientData, /* Token for container window. */ - XEvent *eventPtr) /* ResizeRequest event. */ -{ - Container *containerPtr = clientData; - - if (containerPtr->embeddedPtr != NULL) { - if (eventPtr->type == ActivateNotify) { - TkGenerateActivateEvents(containerPtr->embeddedPtr,1); - } else if (eventPtr->type == DeactivateNotify) { - TkGenerateActivateEvents(containerPtr->embeddedPtr,0); - } - } -} - -/* - *---------------------------------------------------------------------- - * - * EmbedFocusProc -- - * - * This procedure is invoked by the Tk event dispatcher when FocusIn and - * FocusOut events occur for a container window owned by this - * application. It is responsible for moving the focus back and forth - * between a container application and an embedded application. - * - * Results: - * None. - * - * Side effects: - * The X focus may change. - * - *---------------------------------------------------------------------- - */ - -static void -EmbedFocusProc( - ClientData clientData, /* Token for container window. */ - XEvent *eventPtr) /* ResizeRequest event. */ -{ - Container *containerPtr = clientData; - Display *display; - XEvent event; - - if (containerPtr->embeddedPtr != NULL) { - display = Tk_Display(containerPtr->parentPtr); - event.xfocus.serial = LastKnownRequestProcessed(display); - event.xfocus.send_event = false; - event.xfocus.display = display; - event.xfocus.mode = NotifyNormal; - event.xfocus.window = containerPtr->embedded; - - if (eventPtr->type == FocusIn) { - /* - * The focus just arrived at the container. Change the X focus to - * move it to the embedded application, if there is one. Ignore X - * errors that occur during this operation (it's possible that the - * new focus window isn't mapped). - */ - - event.xfocus.detail = NotifyNonlinear; - event.xfocus.type = FocusIn; - } else if (eventPtr->type == FocusOut) { - /* - * When the container gets a FocusOut event, it has to tell the - * embedded app that it has lost the focus. - */ - - event.xfocus.type = FocusOut; - event.xfocus.detail = NotifyNonlinear; - } - - Tk_QueueWindowEvent(&event, TCL_QUEUE_MARK); - } -} - -/* - *---------------------------------------------------------------------- - * - * EmbedGeometryRequest -- - * - * This procedure is invoked when an embedded application requests a - * particular size. It processes the request (which may or may not - * actually honor the request) and reflects the results back to the - * embedded application. - * - * NOTE: On the Mac, this is a stub, since we don't synthesize - * ConfigureRequest events. - * - * Results: - * None. - * - * Side effects: - * If we deny the child's size change request, a Configure event is - * synthesized to let the child know how big it ought to be. Events get - * processed while we're waiting for the geometry managers to do their - * thing. - * - *---------------------------------------------------------------------- - */ - -static void -EmbedGeometryRequest( - Container *containerPtr, /* Information about the embedding. */ - int width, int height) /* Size that the child has requested. */ -{ - TkWindow *winPtr = containerPtr->parentPtr; - - /* - * Forward the requested size into our geometry management hierarchy via - * the container window. We need to send a Configure event back to the - * embedded application if we decide not to honor its request; to make - * this happen, process all idle event handlers synchronously here (so - * that the geometry managers have had a chance to do whatever they want - * to do), and if the window's size didn't change then generate a - * configure event. - */ - - Tk_GeometryRequest((Tk_Window) winPtr, width, height); - while (Tcl_DoOneEvent(TCL_IDLE_EVENTS)) { - /* Empty loop body. */ - } - if ((winPtr->changes.width != width) - || (winPtr->changes.height != height)) { - EmbedSendConfigure(containerPtr); - } -} - -/* - *---------------------------------------------------------------------- - * - * EmbedSendConfigure -- - * - * This is currently a stub. It is called to notify an embedded - * application of its current size and location. This procedure is called - * when the embedded application made a geometry request that we did not - * grant, so that the embedded application knows that its geometry didn't - * change after all. It is a response to ConfigureRequest events, which - * we do not currently synthesize on the Mac - * - * Results: - * None. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -static void -EmbedSendConfigure( - Container *containerPtr) /* Information about the embedding. */ -{ -} - -/* - *---------------------------------------------------------------------- - * - * EmbedWindowDeleted -- - * - * This procedure is invoked when a window involved in embedding (as - * either the container or the embedded application) is destroyed. It - * cleans up the Container structure for the window. - * - * Results: - * None. - * - * Side effects: - * A Container structure may be freed. - * - *---------------------------------------------------------------------- - */ - -static void -EmbedWindowDeleted( - TkWindow *winPtr) /* Tk's information about window that - * was deleted. */ -{ - Container *containerPtr, *prevPtr; - - /* - * Find the Container structure for this window. Delete the information - * about the embedded application and free the container's record. - */ - - prevPtr = NULL; - containerPtr = firstContainerPtr; - while (1) { - if (containerPtr->embeddedPtr == winPtr) { - /* - * We also have to destroy our parent, to clean up the container. - * Fabricate an event to do this. - */ - - if (containerPtr->parentPtr != NULL && - containerPtr->parentPtr->flags & TK_BOTH_HALVES) { - XEvent event; - - event.xany.serial = - Tk_Display(containerPtr->parentPtr)->request; - event.xany.send_event = False; - event.xany.display = Tk_Display(containerPtr->parentPtr); - - event.xany.type = DestroyNotify; - event.xany.window = containerPtr->parent; - event.xdestroywindow.event = containerPtr->parent; - Tk_QueueWindowEvent(&event, TCL_QUEUE_HEAD); - } - - containerPtr->embedded = None; - containerPtr->embeddedPtr = NULL; - break; - } - if (containerPtr->parentPtr == winPtr) { - containerPtr->parentPtr = NULL; - break; - } - prevPtr = containerPtr; - containerPtr = containerPtr->nextPtr; - } - if ((containerPtr->embeddedPtr == NULL) - && (containerPtr->parentPtr == NULL)) { - if (prevPtr == NULL) { - firstContainerPtr = containerPtr->nextPtr; - } else { - prevPtr->nextPtr = containerPtr->nextPtr; - } - ckfree(containerPtr); - } -} - -/* - *---------------------------------------------------------------------- - * - * TkpShowBusyWindow, TkpHideBusyWindow, TkpMakeTransparentWindowExist, - * TkpCreateBusy -- - * - * Portability layer for busy windows. Holds platform-specific gunk for - * the [tk busy] command, which is currently a dummy implementation for - * OSX/Aqua. The individual functions are supposed to do the following: - * - * TkpShowBusyWindow -- - * Make the busy window appear. - * - * TkpHideBusyWindow -- - * Make the busy window go away. - * - * TkpMakeTransparentWindowExist -- - * Actually make a transparent window. - * - * TkpCreateBusy -- - * Creates the platform-specific part of a busy window structure. - * - *---------------------------------------------------------------------- - */ - -void -TkpShowBusyWindow( - TkBusy busy) -{ -} - -void -TkpHideBusyWindow( - TkBusy busy) -{ -} - -void -TkpMakeTransparentWindowExist( - Tk_Window tkwin, /* Token for window. */ - Window parent) /* Parent window. */ -{ -} - -void -TkpCreateBusy( - Tk_FakeWin *winPtr, - Tk_Window tkRef, - Window* parentPtr, - Tk_Window tkParent, - TkBusy busy) -{ -} - -/* - * Local Variables: - * mode: c - * c-basic-offset: 4 - * fill-column: 78 - * End: - */ |