diff options
Diffstat (limited to 'macosx/tkMacOSXEmbed.c')
| -rw-r--r-- | macosx/tkMacOSXEmbed.c | 1068 |
1 files changed, 531 insertions, 537 deletions
diff --git a/macosx/tkMacOSXEmbed.c b/macosx/tkMacOSXEmbed.c index c82a649..bfd500c 100644 --- a/macosx/tkMacOSXEmbed.c +++ b/macosx/tkMacOSXEmbed.c @@ -1,51 +1,52 @@ -/* +/* * 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. + * 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) 2006-2007 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. * - * RCS: @(#) $Id: tkMacOSXEmbed.c,v 1.8 2006/10/31 22:33:34 das Exp $ + * RCS: @(#) $Id: tkMacOSXEmbed.c,v 1.9 2007/04/23 21:24:33 das Exp $ */ #include "tkMacOSXInt.h" /* * One of the following structures exists for each container in this - * application. It keeps track of the container window and its + * 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. */ + 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. */ + /* First in list of all containers + * managed by this process. */ /* * Globals defined in this file */ @@ -56,21 +57,15 @@ TkMacOSXEmbedHandler *tkMacOSXEmbedHandler = NULL; * Prototypes for static procedures defined in this file: */ -static void ContainerEventProc _ANSI_ARGS_(( - ClientData clientData, XEvent *eventPtr)); -static void EmbeddedEventProc _ANSI_ARGS_(( - ClientData clientData, XEvent *eventPtr)); -static void EmbedActivateProc _ANSI_ARGS_((ClientData clientData, - XEvent *eventPtr)); -static void EmbedFocusProc _ANSI_ARGS_((ClientData clientData, - XEvent *eventPtr)); -static void EmbedGeometryRequest _ANSI_ARGS_(( - Container * containerPtr, int width, int height)); -static void EmbedSendConfigure _ANSI_ARGS_(( - Container *containerPtr)); -static void EmbedStructureProc _ANSI_ARGS_((ClientData clientData, - XEvent *eventPtr)); -static void EmbedWindowDeleted _ANSI_ARGS_((TkWindow *winPtr)); +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); /* @@ -78,15 +73,15 @@ static void EmbedWindowDeleted _ANSI_ARGS_((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 + * 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 + * None * * Side effects: - * The embed handler is set. + * The embed handler is set. * *---------------------------------------------------------------------- */ @@ -99,28 +94,27 @@ Tk_MacOSXSetEmbedHandler( Tk_MacOSXEmbedGetOffsetInParentProc *getOffsetProc) { if (tkMacOSXEmbedHandler == NULL) { - tkMacOSXEmbedHandler = (TkMacOSXEmbedHandler *) ckalloc(sizeof(TkMacOSXEmbedHandler)); + tkMacOSXEmbedHandler = (TkMacOSXEmbedHandler *) ckalloc(sizeof(TkMacOSXEmbedHandler)); } tkMacOSXEmbedHandler->registerWinProc = registerWinProc; tkMacOSXEmbedHandler->getPortProc = getPortProc; tkMacOSXEmbedHandler->containerExistProc = containerExistProc; tkMacOSXEmbedHandler->getClipProc = getClipProc; - tkMacOSXEmbedHandler->getOffsetProc = getOffsetProc; + tkMacOSXEmbedHandler->getOffsetProc = getOffsetProc; } - /* *---------------------------------------------------------------------- * * TkpMakeWindow -- * - * Creates an X Window (Mac subwindow). + * Creates an X Window (Mac subwindow). * * Results: - * The window id is returned. + * The window id is returned. * * Side effects: - * None. + * None. * *---------------------------------------------------------------------- */ @@ -138,57 +132,55 @@ TkpMakeWindow( * the window structure should have already been * created in the TkpUseWindow function. */ - + if (Tk_IsEmbedded(winPtr)) { - return (Window) winPtr->privatePtr; + return (Window) winPtr->privatePtr; } - + /* * Allocate sub window */ - + macWin = (MacDrawable *) ckalloc(sizeof(MacDrawable)); if (macWin == NULL) { - winPtr->privatePtr = NULL; - return None; + winPtr->privatePtr = NULL; + return None; } macWin->winPtr = winPtr; winPtr->privatePtr = macWin; macWin->clipRgn = NewRgn(); macWin->aboveClipRgn = NewRgn(); + macWin->drawRgn = NewRgn(); macWin->referenceCount = 0; macWin->flags = TK_CLIP_INVALID; + macWin->grafPtr = NULL; + macWin->context = NULL; if (Tk_IsTopLevel(macWin->winPtr)) { - - /* - *This will be set when we are mapped. - */ - - macWin->grafPtr = NULL; - macWin->toplevel = macWin; - macWin->xOff = 0; - macWin->yOff = 0; + /* + *This will be set when we are mapped. + */ + macWin->xOff = 0; + macWin->yOff = 0; + macWin->toplevel = macWin; } else { - macWin->grafPtr = NULL; - 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->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++; - - /* + + /* * TODO: need general solution for visibility events. */ event.xany.serial = Tk_Display(winPtr)->request; event.xany.send_event = False; event.xany.display = Tk_Display(winPtr); - + event.xvisibility.type = VisibilityNotify; event.xvisibility.window = (Window) macWin; event.xvisibility.state = VisibilityUnobscured; @@ -202,31 +194,31 @@ TkpMakeWindow( * * 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. + * 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. + * 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. + * 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. */ + 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; @@ -235,12 +227,13 @@ TkpUseWindow( XEvent event; if (winPtr->window != None) { - Tcl_AppendResult(interp, "can't modify container after widget is created", (char *) NULL); + Tcl_AppendResult(interp, "can't modify container after widget is " + "created", NULL); return TCL_ERROR; } - + /* - * Decode the container pointer, and look for it among the + * 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 @@ -248,9 +241,9 @@ TkpUseWindow( * of containers. * */ - + if (Tcl_GetInt(interp, string, (int*) &parent) != TCL_OK) { - return TCL_ERROR; + return TCL_ERROR; } usePtr = (TkWindow *) Tk_IdToWindow(winPtr->display, (Window) parent); @@ -261,158 +254,159 @@ TkpUseWindow( 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 + * 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; - } + containerPtr = containerPtr->nextPtr) { + if (containerPtr->parent == (Window) parent) { + winPtr->flags |= TK_BOTH_HALVES; + containerPtr->parentPtr->flags |= TK_BOTH_HALVES; + break; + } } - + /* - * Make the embedded window. + * Make the embedded window. */ macWin = (MacDrawable *) ckalloc(sizeof(MacDrawable)); if (macWin == NULL) { - winPtr->privatePtr = NULL; - return TCL_ERROR; + 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. + * 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->clipRgn = NewRgn(); macWin->aboveClipRgn = NewRgn(); + macWin->drawRgn = NewRgn(); 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 + * 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_AppendResult(interp, "The window ID ", string, - " does not correspond to a valid Tk Window.", - (char *) NULL); - return TCL_ERROR; - } else { - containerPtr = (Container *) ckalloc(sizeof(Container)); - - containerPtr->parentPtr = NULL; - containerPtr->embedded = (Window) macWin; - containerPtr->embeddedPtr = macWin->winPtr; - containerPtr->nextPtr = firstContainerPtr; - firstContainerPtr = containerPtr; - - } + /* + * 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_AppendResult(interp, "The window ID ", string, + " does not correspond to a valid Tk Window.", NULL); + return TCL_ERROR; + } else { + containerPtr = (Container *) 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, - (ClientData) winPtr); + + /* + * 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, + (ClientData) winPtr); } - /* + /* * TODO: need general solution for visibility events. */ - + event.xany.serial = Tk_Display(winPtr)->request; event.xany.send_event = False; event.xany.display = Tk_Display(winPtr); - + event.xvisibility.type = VisibilityNotify; event.xvisibility.window = (Window) macWin;; event.xvisibility.state = VisibilityUnobscured; Tk_QueueWindowEvent(&event, TCL_QUEUE_TAIL); - - /* + + /* * TODO: need general solution for visibility events. */ - + event.xany.serial = Tk_Display(winPtr)->request; event.xany.send_event = False; event.xany.display = Tk_Display(winPtr); - + event.xvisibility.type = VisibilityNotify; event.xvisibility.window = (Window) macWin;; event.xvisibility.state = VisibilityUnobscured; Tk_QueueWindowEvent(&event, TCL_QUEUE_TAIL); - + return TCL_OK; } @@ -421,24 +415,24 @@ TkpUseWindow( * * 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. + * 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. + * None. * * Side effects: - * None. + * None. * *---------------------------------------------------------------------- */ void TkpMakeContainer( - Tk_Window tkwin) /* Token for a window that is about to - * become a container. */ + Tk_Window tkwin) /* Token for a window that is about to + * become a container. */ { TkWindow *winPtr = (TkWindow *) tkwin; Container *containerPtr; @@ -458,25 +452,25 @@ TkpMakeContainer( 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 + * 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, (ClientData) winPtr); + SubstructureNotifyMask|SubstructureRedirectMask, + ContainerEventProc, (ClientData) winPtr); Tk_CreateEventHandler(tkwin, StructureNotifyMask, EmbedStructureProc, - (ClientData) containerPtr); + (ClientData) containerPtr); Tk_CreateEventHandler(tkwin, ActivateMask, EmbedActivateProc, - (ClientData) containerPtr); + (ClientData) containerPtr); Tk_CreateEventHandler(tkwin, FocusChangeMask, EmbedFocusProc, - (ClientData) containerPtr); - + (ClientData) containerPtr); + } /* @@ -484,30 +478,30 @@ TkpMakeContainer( * * TkMacOSXContainerId -- * - * Given an embedded window, this procedure returns the MacDrawable - * identifier for the associated container window. + * 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. + * The return value is the MacDrawable for winPtr's + * container window. * * Side effects: - * None. + * None. * *---------------------------------------------------------------------- */ MacDrawable * TkMacOSXContainerId(winPtr) - TkWindow *winPtr; /* Tk's structure for an embedded window. */ + 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; - } + containerPtr = containerPtr->nextPtr) { + if (containerPtr->embeddedPtr == winPtr) { + return (MacDrawable *) containerPtr->parent; + } } Tcl_Panic("TkMacOSXContainerId couldn't find window"); return None; @@ -518,39 +512,39 @@ TkMacOSXContainerId(winPtr) * * TkMacOSXGetHostToplevel -- * - * Given the TkWindow, return the MacDrawable for the outermost - * toplevel containing it. This will be a real Macintosh window. + * 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 + * Returns a MacDrawable corresponding to a Macintosh Toplevel * * Side effects: - * None. + * None. * *---------------------------------------------------------------------- */ MacDrawable * TkMacOSXGetHostToplevel( - TkWindow *winPtr) /* Tk's structure for a window. */ + TkWindow *winPtr) /* Tk's structure for a window. */ { TkWindow *contWinPtr, *topWinPtr; topWinPtr = winPtr->privatePtr->toplevel->winPtr; if (!Tk_IsEmbedded(topWinPtr)) { - return winPtr->privatePtr->toplevel; + return winPtr->privatePtr->toplevel; } else { - contWinPtr = TkpGetOtherWindow(topWinPtr); - - /* - * NOTE: Here we should handle out of process embedding. - */ - - if (contWinPtr != NULL) { - return TkMacOSXGetHostToplevel(contWinPtr); - } else { - return None; - } + contWinPtr = TkpGetOtherWindow(topWinPtr); + + /* + * NOTE: Here we should handle out of process embedding. + */ + + if (contWinPtr != NULL) { + return TkMacOSXGetHostToplevel(contWinPtr); + } else { + return None; + } } } @@ -559,41 +553,41 @@ TkMacOSXGetHostToplevel( * * 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. + * 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. + * None. * * Side effects: - * The input focus may change. + * 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. */ + 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; + return; } for (containerPtr = firstContainerPtr; - containerPtr->embeddedPtr != topLevelPtr; - containerPtr = containerPtr->nextPtr) { - /* Empty loop body. */ + containerPtr->embeddedPtr != topLevelPtr; + containerPtr = containerPtr->nextPtr) { + /* Empty loop body. */ } - + event.xfocus.type = FocusIn; event.xfocus.serial = LastKnownRequestProcessed(topLevelPtr->display); @@ -610,25 +604,25 @@ TkpClaimFocus( * * TkpTestembedCmd -- * - * This procedure implements the "testembed" command. It returns - * some or all of the information in the list pointed to by - * firstContainerPtr. + * 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. + * A standard Tcl result. * * Side effects: - * None. + * None. * *---------------------------------------------------------------------- */ int TkpTestembedCmd( - ClientData clientData, /* Main window for application. */ - Tcl_Interp *interp, /* Current interpreter. */ - int argc, /* Number of arguments. */ - CONST char **argv) /* Argument strings. */ + 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; @@ -636,47 +630,47 @@ TkpTestembedCmd( char buffer[50]; if ((argc > 1) && (strcmp(argv[1], "all") == 0)) { - all = 1; + all = 1; } else { - all = 0; + 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); + 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; @@ -687,29 +681,29 @@ TkpTestembedCmd( * * 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. + * 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. + * None. * * Side effects: - * The event may get sent to a different application. + * 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). */ + TkWindow *winPtr, /* Window to which the event was originally + * reported. */ + XEvent *eventPtr) /* X event to redirect (should be KeyPress + * or KeyRelease). */ { } @@ -718,24 +712,24 @@ TkpRedirectKeyEvent( * * TkpGetOtherWindow -- * - * If both the container and embedded window are in the same - * process, this procedure will return either one, given the other. + * 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. + * 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. + * None. * *---------------------------------------------------------------------- */ TkWindow * TkpGetOtherWindow( - TkWindow *winPtr) /* Tk's structure for a container or - * embedded window. */ + TkWindow *winPtr) /* Tk's structure for a container or + * embedded window. */ { Container *containerPtr; @@ -745,47 +739,48 @@ TkpGetOtherWindow( */ if (!(winPtr->flags & TK_BOTH_HALVES)) { - return NULL; + 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; - } + 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. + * 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. + * None. * * Side effects: - * Our internal state gets cleaned up when an embedded window is - * destroyed. + * Our internal state gets cleaned up when an embedded window is + * destroyed. * *---------------------------------------------------------------------- */ static void EmbeddedEventProc(clientData, eventPtr) - ClientData clientData; /* Token for container window. */ - XEvent *eventPtr; /* ResizeRequest event. */ + ClientData clientData; /* Token for container window. */ + XEvent *eventPtr; /* ResizeRequest event. */ { TkWindow *winPtr = (TkWindow *) clientData; if (eventPtr->type == DestroyNotify) { - EmbedWindowDeleted(winPtr); + EmbedWindowDeleted(winPtr); } } @@ -794,28 +789,28 @@ EmbeddedEventProc(clientData, eventPtr) * * 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. + * 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. + * NOTE: on the Mac, only the DestroyNotify branch is ever taken. + * We don't synthesize the other events. * * Results: - * None. + * None. * * Side effects: - * Depends on the event. For example, when ConfigureRequest events - * occur, geometry information gets set for the container window. + * Depends on the event. For example, when ConfigureRequest events + * occur, geometry information gets set for the container window. * *---------------------------------------------------------------------- */ static void ContainerEventProc(clientData, eventPtr) - ClientData clientData; /* Token for container window. */ - XEvent *eventPtr; /* ResizeRequest event. */ + ClientData clientData; /* Token for container window. */ + XEvent *eventPtr; /* ResizeRequest event. */ { TkWindow *winPtr = (TkWindow *) clientData; Container *containerPtr; @@ -828,67 +823,67 @@ ContainerEventProc(clientData, eventPtr) */ errHandler = Tk_CreateErrorHandler(eventPtr->xfocus.display, -1, - -1, -1, (Tk_ErrorProc *) NULL, (ClientData) NULL); + -1, -1, (Tk_ErrorProc *) NULL, (ClientData) 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"); - } + 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; + /* + * 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); + 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); + /* + * 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. - */ + /* + * The embedded application is gone. Destroy the container window. + */ - Tk_DestroyWindow((Tk_Window) winPtr); + Tk_DestroyWindow((Tk_Window) winPtr); } Tk_DeleteErrorHandler(errHandler); } @@ -898,47 +893,47 @@ ContainerEventProc(clientData, eventPtr) * * 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. + * 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. + * None. * * Side effects: - * The embedded window gets resized to match the container. + * The embedded window gets resized to match the container. * *---------------------------------------------------------------------- */ static void EmbedStructureProc(clientData, eventPtr) - ClientData clientData; /* Token for container window. */ - XEvent *eventPtr; /* ResizeRequest event. */ + ClientData clientData; /* Token for container window. */ + XEvent *eventPtr; /* ResizeRequest event. */ { Container *containerPtr = (Container *) 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, (Tk_ErrorProc *) NULL, (ClientData) NULL); - Tk_MoveResizeWindow((Tk_Window) containerPtr->embeddedPtr, 0, 0, - (unsigned int) Tk_Width( - (Tk_Window) containerPtr->parentPtr), - (unsigned int) Tk_Height( - (Tk_Window) containerPtr->parentPtr)); - Tk_DeleteErrorHandler(errHandler); - } + if (containerPtr->embedded != None) { + /* + * Ignore errors, since the embedded application could have + * deleted its window. + */ + + errHandler = Tk_CreateErrorHandler(eventPtr->xfocus.display, -1, + -1, -1, (Tk_ErrorProc *) NULL, (ClientData) NULL); + Tk_MoveResizeWindow((Tk_Window) containerPtr->embeddedPtr, 0, 0, + (unsigned int) Tk_Width( + (Tk_Window) containerPtr->parentPtr), + (unsigned int) Tk_Height( + (Tk_Window) containerPtr->parentPtr)); + Tk_DeleteErrorHandler(errHandler); + } } else if (eventPtr->type == DestroyNotify) { - EmbedWindowDeleted(containerPtr->parentPtr); + EmbedWindowDeleted(containerPtr->parentPtr); } } @@ -947,33 +942,33 @@ EmbedStructureProc(clientData, eventPtr) * * 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. + * 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. + * None. * * Side effects: - * The X focus may change. + * The X focus may change. * *---------------------------------------------------------------------- */ static void EmbedActivateProc(clientData, eventPtr) - ClientData clientData; /* Token for container window. */ - XEvent *eventPtr; /* ResizeRequest event. */ + ClientData clientData; /* Token for container window. */ + XEvent *eventPtr; /* ResizeRequest event. */ { Container *containerPtr = (Container *) clientData; - + if (containerPtr->embeddedPtr != NULL) { - if (eventPtr->type == ActivateNotify) { - TkGenerateActivateEvents(containerPtr->embeddedPtr,1); - } else if (eventPtr->type == DeactivateNotify) { - TkGenerateActivateEvents(containerPtr->embeddedPtr,0); - } + if (eventPtr->type == ActivateNotify) { + TkGenerateActivateEvents(containerPtr->embeddedPtr,1); + } else if (eventPtr->type == DeactivateNotify) { + TkGenerateActivateEvents(containerPtr->embeddedPtr,0); + } } } @@ -982,25 +977,25 @@ EmbedActivateProc(clientData, eventPtr) * * 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. + * 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. + * None. * * Side effects: - * The X focus may change. + * The X focus may change. * *---------------------------------------------------------------------- */ static void EmbedFocusProc(clientData, eventPtr) - ClientData clientData; /* Token for container window. */ - XEvent *eventPtr; /* ResizeRequest event. */ + ClientData clientData; /* Token for container window. */ + XEvent *eventPtr; /* ResizeRequest event. */ { Container *containerPtr = (Container *) clientData; Display *display; @@ -1008,34 +1003,34 @@ EmbedFocusProc(clientData, eventPtr) 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; - + 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); - } + /* + * 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); + } } /* @@ -1043,36 +1038,36 @@ EmbedFocusProc(clientData, eventPtr) * * 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. + * 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. + * NOTE: On the Mac, this is a stub, since we don't synthesize + * ConfigureRequest events. * * Results: - * None. + * 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. + * 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(containerPtr, width, height) - Container *containerPtr; /* Information about the embedding. */ - int width, height; /* Size that the child has requested. */ + Container *containerPtr; /* Information about the embedding. */ + int width, 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 + * 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 @@ -1082,11 +1077,11 @@ EmbedGeometryRequest(containerPtr, width, height) Tk_GeometryRequest((Tk_Window) winPtr, width, height); while (Tcl_DoOneEvent(TCL_IDLE_EVENTS)) { - /* Empty loop body. */ + /* Empty loop body. */ } if ((winPtr->changes.width != width) - || (winPtr->changes.height != height)) { - EmbedSendConfigure(containerPtr); + || (winPtr->changes.height != height)) { + EmbedSendConfigure(containerPtr); } } @@ -1095,26 +1090,26 @@ EmbedGeometryRequest(containerPtr, width, height) * * 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 + * 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. + * None. * * Side effects: - * None. + * None. * *---------------------------------------------------------------------- */ static void EmbedSendConfigure(containerPtr) - Container *containerPtr; /* Information about the embedding. */ + Container *containerPtr; /* Information about the embedding. */ { } @@ -1123,28 +1118,28 @@ EmbedSendConfigure(containerPtr) * * 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. + * 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. + * None. * * Side effects: - * A Container structure may be freed. + * A Container structure may be freed. * *---------------------------------------------------------------------- */ static void EmbedWindowDeleted(winPtr) - TkWindow *winPtr; /* Tk's information about window that - * was deleted. */ + TkWindow *winPtr; /* Tk's information about window that + * was deleted. */ { Container *containerPtr, *prevPtr; /* - * Find the Container structure for this window. Delete the + * Find the Container structure for this window. Delete the * information about the embedded application and free the container's * record. */ @@ -1152,49 +1147,48 @@ EmbedWindowDeleted(winPtr) 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 == 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((char *) containerPtr); + && (containerPtr->parentPtr == NULL)) { + if (prevPtr == NULL) { + firstContainerPtr = containerPtr->nextPtr; + } else { + prevPtr->nextPtr = containerPtr->nextPtr; + } + ckfree((char *) containerPtr); } } - |