/*
|
/*
|
* tkWinEmbed.c --
|
* tkWinEmbed.c --
|
*
|
*
|
* This file contains platform specific procedures for Windows platforms
|
* This file contains platform specific procedures for Windows platforms
|
* to provide basic operations needed for application embedding (where
|
* to provide basic operations needed for application embedding (where
|
* one application can use as its main window an internal window from
|
* one application can use as its main window an internal window from
|
* another application).
|
* another application).
|
*
|
*
|
* Copyright (c) 1996 Sun Microsystems, Inc.
|
* Copyright (c) 1996 Sun Microsystems, Inc.
|
*
|
*
|
* See the file "license.terms" for information on usage and redistribution
|
* See the file "license.terms" for information on usage and redistribution
|
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
|
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
|
*
|
*
|
* RCS: @(#) $Id: tkWinEmbed.c,v 1.1.1.1 2002-01-16 10:26:02 markom Exp $
|
* RCS: @(#) $Id: tkWinEmbed.c,v 1.1.1.1 2002-01-16 10:26:02 markom Exp $
|
*/
|
*/
|
|
|
#include "tkWinInt.h"
|
#include "tkWinInt.h"
|
|
|
|
|
/*
|
/*
|
* One of the following structures exists for each container in this
|
* 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.
|
* associated embedded window.
|
*/
|
*/
|
|
|
typedef struct Container {
|
typedef struct Container {
|
HWND parentHWnd; /* Windows HWND to the parent window */
|
HWND parentHWnd; /* Windows HWND to the parent window */
|
TkWindow *parentPtr; /* Tk's information about the container
|
TkWindow *parentPtr; /* Tk's information about the container
|
* or NULL if the container isn't
|
* or NULL if the container isn't
|
* in this process. */
|
* in this process. */
|
HWND embeddedHWnd; /* Windows HWND to the embedded window
|
HWND embeddedHWnd; /* Windows HWND to the embedded window
|
*/
|
*/
|
TkWindow *embeddedPtr; /* Tk's information about the embedded
|
TkWindow *embeddedPtr; /* Tk's information about the embedded
|
* window, or NULL if the
|
* window, or NULL if the
|
* embedded application isn't in
|
* embedded application isn't in
|
* this process. */
|
* this process. */
|
struct Container *nextPtr; /* Next in list of all containers in
|
struct Container *nextPtr; /* Next in list of all containers in
|
* this process. */
|
* this process. */
|
} Container;
|
} Container;
|
|
|
static Container *firstContainerPtr = NULL;
|
static Container *firstContainerPtr = NULL;
|
/* First in list of all containers
|
/* First in list of all containers
|
* managed by this process. */
|
* managed by this process. */
|
|
|
static void CleanupContainerList _ANSI_ARGS_((
|
static void CleanupContainerList _ANSI_ARGS_((
|
ClientData clientData));
|
ClientData clientData));
|
static void ContainerEventProc _ANSI_ARGS_((ClientData clientData,
|
static void ContainerEventProc _ANSI_ARGS_((ClientData clientData,
|
XEvent *eventPtr));
|
XEvent *eventPtr));
|
static void EmbeddedEventProc _ANSI_ARGS_((
|
static void EmbeddedEventProc _ANSI_ARGS_((
|
ClientData clientData, XEvent *eventPtr));
|
ClientData clientData, XEvent *eventPtr));
|
static void EmbedGeometryRequest _ANSI_ARGS_((
|
static void EmbedGeometryRequest _ANSI_ARGS_((
|
Container*containerPtr, int width, int height));
|
Container*containerPtr, int width, int height));
|
static void EmbedWindowDeleted _ANSI_ARGS_((TkWindow *winPtr));
|
static void EmbedWindowDeleted _ANSI_ARGS_((TkWindow *winPtr));
|
|
|
/*
|
/*
|
*----------------------------------------------------------------------
|
*----------------------------------------------------------------------
|
*
|
*
|
* CleanupContainerList --
|
* CleanupContainerList --
|
*
|
*
|
* Finalizes the list of containers.
|
* Finalizes the list of containers.
|
*
|
*
|
* Results:
|
* Results:
|
* None.
|
* None.
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* Releases memory occupied by containers of embedded windows.
|
* Releases memory occupied by containers of embedded windows.
|
*
|
*
|
*----------------------------------------------------------------------
|
*----------------------------------------------------------------------
|
*/
|
*/
|
|
|
/* ARGSUSED */
|
/* ARGSUSED */
|
static void
|
static void
|
CleanupContainerList(clientData)
|
CleanupContainerList(clientData)
|
ClientData clientData;
|
ClientData clientData;
|
{
|
{
|
Container *nextPtr;
|
Container *nextPtr;
|
|
|
for (;
|
for (;
|
firstContainerPtr != (Container *) NULL;
|
firstContainerPtr != (Container *) NULL;
|
firstContainerPtr = nextPtr) {
|
firstContainerPtr = nextPtr) {
|
nextPtr = firstContainerPtr->nextPtr;
|
nextPtr = firstContainerPtr->nextPtr;
|
ckfree((char *) firstContainerPtr);
|
ckfree((char *) firstContainerPtr);
|
}
|
}
|
firstContainerPtr = (Container *) NULL;
|
firstContainerPtr = (Container *) NULL;
|
}
|
}
|
|
|
/*
|
/*
|
*----------------------------------------------------------------------
|
*----------------------------------------------------------------------
|
*
|
*
|
* TkpTestembedCmd --
|
* TkpTestembedCmd --
|
*
|
*
|
* Test command for the embedding facility.
|
* Test command for the embedding facility.
|
*
|
*
|
* Results:
|
* Results:
|
* Always returns TCL_OK.
|
* Always returns TCL_OK.
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* Currently it does not do anything.
|
* Currently it does not do anything.
|
*
|
*
|
*----------------------------------------------------------------------
|
*----------------------------------------------------------------------
|
*/
|
*/
|
|
|
/* ARGSUSED */
|
/* ARGSUSED */
|
int
|
int
|
TkpTestembedCmd(clientData, interp, argc, argv)
|
TkpTestembedCmd(clientData, interp, argc, argv)
|
ClientData clientData;
|
ClientData clientData;
|
Tcl_Interp *interp;
|
Tcl_Interp *interp;
|
int argc;
|
int argc;
|
char **argv;
|
char **argv;
|
{
|
{
|
return TCL_OK;
|
return TCL_OK;
|
}
|
}
|
|
|
/*
|
/*
|
*----------------------------------------------------------------------
|
*----------------------------------------------------------------------
|
*
|
*
|
* TkpUseWindow --
|
* TkpUseWindow --
|
*
|
*
|
* This procedure causes a Tk window to use a given Windows handle
|
* This procedure causes a Tk window to use a given Windows handle
|
* for a window as its underlying window, rather than a new Windows
|
* for a window as its underlying window, rather than a new Windows
|
* window being created automatically. It is invoked by an embedded
|
* window being created automatically. It is invoked by an embedded
|
* application to specify the window in which the application is
|
* application to specify the window in which the application is
|
* embedded.
|
* embedded.
|
*
|
*
|
* Results:
|
* Results:
|
* The return value is normally TCL_OK. If an error occurred (such as
|
* The return value is normally TCL_OK. If an error occurred (such as
|
* if the argument does not identify a legal Windows window handle),
|
* if the argument does not identify a legal Windows window handle),
|
* the return value is TCL_ERROR and an error message is left in the
|
* the return value is TCL_ERROR and an error message is left in the
|
* interp->result if interp is not NULL.
|
* interp->result if interp is not NULL.
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* None.
|
* None.
|
*
|
*
|
*----------------------------------------------------------------------
|
*----------------------------------------------------------------------
|
*/
|
*/
|
|
|
int
|
int
|
TkpUseWindow(interp, tkwin, string)
|
TkpUseWindow(interp, tkwin, string)
|
Tcl_Interp *interp; /* If not NULL, used for error reporting
|
Tcl_Interp *interp; /* If not NULL, used for error reporting
|
* if string is bogus. */
|
* if string is bogus. */
|
Tk_Window tkwin; /* Tk window that does not yet have an
|
Tk_Window tkwin; /* Tk window that does not yet have an
|
* associated X window. */
|
* associated X window. */
|
char *string; /* String identifying an X window to use
|
char *string; /* String identifying an X window to use
|
* for tkwin; must be an integer value. */
|
* for tkwin; must be an integer value. */
|
{
|
{
|
TkWindow *winPtr = (TkWindow *) tkwin;
|
TkWindow *winPtr = (TkWindow *) tkwin;
|
int id;
|
int id;
|
HWND hwnd;
|
HWND hwnd;
|
Container *containerPtr;
|
Container *containerPtr;
|
|
|
if (winPtr->window != None) {
|
if (winPtr->window != None) {
|
panic("TkpUseWindow: Already assigned a window");
|
panic("TkpUseWindow: Already assigned a window");
|
}
|
}
|
|
|
if (Tcl_GetInt(interp, string, &id) != TCL_OK) {
|
if (Tcl_GetInt(interp, string, &id) != TCL_OK) {
|
return TCL_ERROR;
|
return TCL_ERROR;
|
}
|
}
|
hwnd = (HWND) id;
|
hwnd = (HWND) id;
|
|
|
/*
|
/*
|
* Check if the window is a valid handle. If it is invalid, return
|
* Check if the window is a valid handle. If it is invalid, return
|
* TCL_ERROR and potentially leave an error message in interp->result.
|
* TCL_ERROR and potentially leave an error message in interp->result.
|
*/
|
*/
|
|
|
if (!IsWindow(hwnd)) {
|
if (!IsWindow(hwnd)) {
|
if (interp != (Tcl_Interp *) NULL) {
|
if (interp != (Tcl_Interp *) NULL) {
|
Tcl_AppendResult(interp, "window \"", string,
|
Tcl_AppendResult(interp, "window \"", string,
|
"\" doesn't exist", (char *) NULL);
|
"\" doesn't exist", (char *) NULL);
|
}
|
}
|
return TCL_ERROR;
|
return TCL_ERROR;
|
}
|
}
|
|
|
/*
|
/*
|
* Store the parent window in the platform private data slot so
|
* Store the parent window in the platform private data slot so
|
* TkWmMapWindow can use it when creating the wrapper window.
|
* TkWmMapWindow can use it when creating the wrapper window.
|
*/
|
*/
|
|
|
winPtr->privatePtr = (struct TkWindowPrivate*) hwnd;
|
winPtr->privatePtr = (struct TkWindowPrivate*) hwnd;
|
|
|
/*
|
/*
|
* Create an event handler to clean up the Container structure when
|
* Create an event handler to clean up the Container structure when
|
* tkwin is eventually deleted.
|
* tkwin is eventually deleted.
|
*/
|
*/
|
|
|
Tk_CreateEventHandler(tkwin, StructureNotifyMask, EmbeddedEventProc,
|
Tk_CreateEventHandler(tkwin, StructureNotifyMask, EmbeddedEventProc,
|
(ClientData) winPtr);
|
(ClientData) winPtr);
|
|
|
/*
|
/*
|
* If this is the first container, register an exit handler so that
|
* If this is the first container, register an exit handler so that
|
* things will get cleaned up at finalization.
|
* things will get cleaned up at finalization.
|
*/
|
*/
|
|
|
if (firstContainerPtr == (Container *) NULL) {
|
if (firstContainerPtr == (Container *) NULL) {
|
Tcl_CreateExitHandler(CleanupContainerList, (ClientData) NULL);
|
Tcl_CreateExitHandler(CleanupContainerList, (ClientData) NULL);
|
}
|
}
|
|
|
/*
|
/*
|
* Save information about the container and the embedded window
|
* Save information about the container and the embedded window
|
* in a Container structure. If there is already an existing
|
* in a Container structure. If there is already an existing
|
* Container structure, it means that both container and embedded
|
* Container structure, it means that both container and embedded
|
* app. are in the same process.
|
* app. are in the same process.
|
*/
|
*/
|
|
|
for (containerPtr = firstContainerPtr; containerPtr != NULL;
|
for (containerPtr = firstContainerPtr; containerPtr != NULL;
|
containerPtr = containerPtr->nextPtr) {
|
containerPtr = containerPtr->nextPtr) {
|
if (containerPtr->parentHWnd == hwnd) {
|
if (containerPtr->parentHWnd == hwnd) {
|
winPtr->flags |= TK_BOTH_HALVES;
|
winPtr->flags |= TK_BOTH_HALVES;
|
containerPtr->parentPtr->flags |= TK_BOTH_HALVES;
|
containerPtr->parentPtr->flags |= TK_BOTH_HALVES;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
if (containerPtr == NULL) {
|
if (containerPtr == NULL) {
|
containerPtr = (Container *) ckalloc(sizeof(Container));
|
containerPtr = (Container *) ckalloc(sizeof(Container));
|
containerPtr->parentPtr = NULL;
|
containerPtr->parentPtr = NULL;
|
containerPtr->parentHWnd = hwnd;
|
containerPtr->parentHWnd = hwnd;
|
containerPtr->nextPtr = firstContainerPtr;
|
containerPtr->nextPtr = firstContainerPtr;
|
firstContainerPtr = containerPtr;
|
firstContainerPtr = containerPtr;
|
}
|
}
|
|
|
/*
|
/*
|
* embeddedHWnd is not created yet. It will be created by TkWmMapWindow(),
|
* embeddedHWnd is not created yet. It will be created by TkWmMapWindow(),
|
* which will send a TK_ATTACHWINDOW to the container window.
|
* which will send a TK_ATTACHWINDOW to the container window.
|
* TkWinEmbeddedEventProc will process this message and set the embeddedHWnd
|
* TkWinEmbeddedEventProc will process this message and set the embeddedHWnd
|
* variable
|
* variable
|
*/
|
*/
|
|
|
containerPtr->embeddedPtr = winPtr;
|
containerPtr->embeddedPtr = winPtr;
|
containerPtr->embeddedHWnd = NULL;
|
containerPtr->embeddedHWnd = NULL;
|
|
|
winPtr->flags |= TK_EMBEDDED;
|
winPtr->flags |= TK_EMBEDDED;
|
winPtr->flags &= (~(TK_MAPPED));
|
winPtr->flags &= (~(TK_MAPPED));
|
|
|
return TCL_OK;
|
return TCL_OK;
|
}
|
}
|
|
|
/*
|
/*
|
*----------------------------------------------------------------------
|
*----------------------------------------------------------------------
|
*
|
*
|
* TkpMakeContainer --
|
* TkpMakeContainer --
|
*
|
*
|
* This procedure is called to indicate that a particular window will
|
* This procedure is called to indicate that a particular window will
|
* be a container for an embedded application. This changes certain
|
* be a container for an embedded application. This changes certain
|
* aspects of the window's behavior, such as whether it will receive
|
* aspects of the window's behavior, such as whether it will receive
|
* events anymore.
|
* events anymore.
|
*
|
*
|
* Results:
|
* Results:
|
* None.
|
* None.
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* None.
|
* None.
|
*
|
*
|
*----------------------------------------------------------------------
|
*----------------------------------------------------------------------
|
*/
|
*/
|
|
|
void
|
void
|
TkpMakeContainer(tkwin)
|
TkpMakeContainer(tkwin)
|
Tk_Window tkwin;
|
Tk_Window tkwin;
|
{
|
{
|
TkWindow *winPtr = (TkWindow *) tkwin;
|
TkWindow *winPtr = (TkWindow *) tkwin;
|
Container *containerPtr;
|
Container *containerPtr;
|
|
|
/*
|
/*
|
* If this is the first container, register an exit handler so that
|
* If this is the first container, register an exit handler so that
|
* things will get cleaned up at finalization.
|
* things will get cleaned up at finalization.
|
*/
|
*/
|
|
|
if (firstContainerPtr == (Container *) NULL) {
|
if (firstContainerPtr == (Container *) NULL) {
|
Tcl_CreateExitHandler(CleanupContainerList, (ClientData) NULL);
|
Tcl_CreateExitHandler(CleanupContainerList, (ClientData) NULL);
|
}
|
}
|
|
|
/*
|
/*
|
* Register the window as a container so that, for example, we can
|
* Register the window as a container so that, for example, we can
|
* find out later if the embedded app. is in the same process.
|
* find out later if the embedded app. is in the same process.
|
*/
|
*/
|
|
|
Tk_MakeWindowExist(tkwin);
|
Tk_MakeWindowExist(tkwin);
|
containerPtr = (Container *) ckalloc(sizeof(Container));
|
containerPtr = (Container *) ckalloc(sizeof(Container));
|
containerPtr->parentPtr = winPtr;
|
containerPtr->parentPtr = winPtr;
|
containerPtr->parentHWnd = Tk_GetHWND(Tk_WindowId(tkwin));
|
containerPtr->parentHWnd = Tk_GetHWND(Tk_WindowId(tkwin));
|
containerPtr->embeddedHWnd = NULL;
|
containerPtr->embeddedHWnd = NULL;
|
containerPtr->embeddedPtr = NULL;
|
containerPtr->embeddedPtr = NULL;
|
containerPtr->nextPtr = firstContainerPtr;
|
containerPtr->nextPtr = firstContainerPtr;
|
firstContainerPtr = containerPtr;
|
firstContainerPtr = containerPtr;
|
winPtr->flags |= TK_CONTAINER;
|
winPtr->flags |= TK_CONTAINER;
|
|
|
/*
|
/*
|
* Unlike in tkUnixEmbed.c, we don't make any requests for events
|
* Unlike in tkUnixEmbed.c, we don't make any requests for events
|
* in the embedded window here. Now we just allow the embedding
|
* in the embedded window here. Now we just allow the embedding
|
* of another TK application into TK windows. When the embedded
|
* of another TK application into TK windows. When the embedded
|
* window makes a request, that will be done by sending to the
|
* window makes a request, that will be done by sending to the
|
* container window a WM_USER message, which will be intercepted
|
* container window a WM_USER message, which will be intercepted
|
* by TkWinContainerProc.
|
* by TkWinContainerProc.
|
*
|
*
|
* We need to get structure events of the container itself, though.
|
* We need to get structure events of the container itself, though.
|
*/
|
*/
|
|
|
Tk_CreateEventHandler(tkwin, StructureNotifyMask,
|
Tk_CreateEventHandler(tkwin, StructureNotifyMask,
|
ContainerEventProc, (ClientData) containerPtr);
|
ContainerEventProc, (ClientData) containerPtr);
|
}
|
}
|
|
|
/*
|
/*
|
*----------------------------------------------------------------------
|
*----------------------------------------------------------------------
|
*
|
*
|
* EmbeddedEventProc --
|
* EmbeddedEventProc --
|
*
|
*
|
* This procedure is invoked by the Tk event dispatcher when various
|
* This procedure is invoked by the Tk event dispatcher when various
|
* useful events are received for a window that is embedded in
|
* useful events are received for a window that is embedded in
|
* another application.
|
* another application.
|
*
|
*
|
* Results:
|
* Results:
|
* None.
|
* None.
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* Our internal state gets cleaned up when an embedded window is
|
* Our internal state gets cleaned up when an embedded window is
|
* destroyed.
|
* destroyed.
|
*
|
*
|
*----------------------------------------------------------------------
|
*----------------------------------------------------------------------
|
*/
|
*/
|
|
|
static void
|
static void
|
EmbeddedEventProc(clientData, eventPtr)
|
EmbeddedEventProc(clientData, eventPtr)
|
ClientData clientData; /* Token for container window. */
|
ClientData clientData; /* Token for container window. */
|
XEvent *eventPtr; /* ResizeRequest event. */
|
XEvent *eventPtr; /* ResizeRequest event. */
|
{
|
{
|
TkWindow *winPtr = (TkWindow *) clientData;
|
TkWindow *winPtr = (TkWindow *) clientData;
|
|
|
if (eventPtr->type == DestroyNotify) {
|
if (eventPtr->type == DestroyNotify) {
|
EmbedWindowDeleted(winPtr);
|
EmbedWindowDeleted(winPtr);
|
}
|
}
|
}
|
}
|
|
|
/*
|
/*
|
*----------------------------------------------------------------------
|
*----------------------------------------------------------------------
|
*
|
*
|
* TkWinEmbeddedEventProc --
|
* TkWinEmbeddedEventProc --
|
*
|
*
|
* This procedure is invoked by the Tk event dispatcher when
|
* This procedure is invoked by the Tk event dispatcher when
|
* various useful events are received for the *children* of a
|
* various useful events are received for the *children* of a
|
* container window. It forwards relevant information, such as
|
* container window. It forwards relevant information, such as
|
* geometry requests, from the events into the container's
|
* geometry requests, from the events into the container's
|
* application.
|
* application.
|
*
|
*
|
* Results:
|
* Results:
|
* None.
|
* None.
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* Depends on the event. For example, when ConfigureRequest events
|
* Depends on the event. For example, when ConfigureRequest events
|
* occur, geometry information gets set for the container window.
|
* occur, geometry information gets set for the container window.
|
*
|
*
|
*----------------------------------------------------------------------
|
*----------------------------------------------------------------------
|
*/
|
*/
|
|
|
LRESULT
|
LRESULT
|
TkWinEmbeddedEventProc(hwnd, message, wParam, lParam)
|
TkWinEmbeddedEventProc(hwnd, message, wParam, lParam)
|
HWND hwnd;
|
HWND hwnd;
|
UINT message;
|
UINT message;
|
WPARAM wParam;
|
WPARAM wParam;
|
LPARAM lParam;
|
LPARAM lParam;
|
{
|
{
|
Container *containerPtr;
|
Container *containerPtr;
|
|
|
/*
|
/*
|
* Find the Container structure associated with the parent window.
|
* Find the Container structure associated with the parent window.
|
*/
|
*/
|
|
|
for (containerPtr = firstContainerPtr;
|
for (containerPtr = firstContainerPtr;
|
containerPtr->parentHWnd != hwnd;
|
containerPtr->parentHWnd != hwnd;
|
containerPtr = containerPtr->nextPtr) {
|
containerPtr = containerPtr->nextPtr) {
|
if (containerPtr == NULL) {
|
if (containerPtr == NULL) {
|
panic("TkWinContainerProc couldn't find Container record");
|
panic("TkWinContainerProc couldn't find Container record");
|
}
|
}
|
}
|
}
|
|
|
switch (message) {
|
switch (message) {
|
case TK_ATTACHWINDOW:
|
case TK_ATTACHWINDOW:
|
/* An embedded window (either from this application or from
|
/* An embedded window (either from this application or from
|
* another application) is trying to attach to this container.
|
* another application) is trying to attach to this container.
|
* We attach it only if this container is not yet containing any
|
* We attach it only if this container is not yet containing any
|
* window.
|
* window.
|
*/
|
*/
|
if (containerPtr->embeddedHWnd == NULL) {
|
if (containerPtr->embeddedHWnd == NULL) {
|
containerPtr->embeddedHWnd = (HWND)wParam;
|
containerPtr->embeddedHWnd = (HWND)wParam;
|
} else {
|
} else {
|
return 0;
|
return 0;
|
}
|
}
|
|
|
break;
|
break;
|
case TK_GEOMETRYREQ:
|
case TK_GEOMETRYREQ:
|
EmbedGeometryRequest(containerPtr, wParam, lParam);
|
EmbedGeometryRequest(containerPtr, wParam, lParam);
|
break;
|
break;
|
}
|
}
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/*
|
/*
|
*----------------------------------------------------------------------
|
*----------------------------------------------------------------------
|
*
|
*
|
* EmbedGeometryRequest --
|
* EmbedGeometryRequest --
|
*
|
*
|
* This procedure is invoked when an embedded application requests
|
* This procedure is invoked when an embedded application requests
|
* a particular size. It processes the request (which may or may
|
* a particular size. It processes the request (which may or may
|
* not actually resize the window) and reflects the results back
|
* not actually resize the window) and reflects the results back
|
* to the embedded application.
|
* to the embedded application.
|
*
|
*
|
* Results:
|
* Results:
|
* None.
|
* None.
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* If we deny the child's size change request, a Configure event
|
* If we deny the child's size change request, a Configure event
|
* is synthesized to let the child know that the size is the same
|
* is synthesized to let the child know that the size is the same
|
* as it used to be. Events get processed while we're waiting for
|
* as it used to be. Events get processed while we're waiting for
|
* the geometry managers to do their thing.
|
* the geometry managers to do their thing.
|
*
|
*
|
*----------------------------------------------------------------------
|
*----------------------------------------------------------------------
|
*/
|
*/
|
|
|
void
|
void
|
EmbedGeometryRequest(containerPtr, width, height)
|
EmbedGeometryRequest(containerPtr, width, height)
|
Container *containerPtr; /* Information about the container window. */
|
Container *containerPtr; /* Information about the container window. */
|
int width, height; /* Size that the child has requested. */
|
int width, height; /* Size that the child has requested. */
|
{
|
{
|
TkWindow * winPtr = containerPtr->parentPtr;
|
TkWindow * winPtr = containerPtr->parentPtr;
|
|
|
/*
|
/*
|
* Forward the requested size into our geometry management hierarchy
|
* 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 even if we decide not to resize
|
* to the embedded application even if we decide not to resize
|
* the window; to make this happen, process all idle event handlers
|
* the window; to make this happen, process all idle event handlers
|
* synchronously here (so that the geometry managers have had a
|
* synchronously here (so that the geometry managers have had a
|
* chance to do whatever they want to do), and if the window's size
|
* chance to do whatever they want to do), and if the window's size
|
* didn't change then generate a configure event.
|
* didn't change then generate a configure event.
|
*/
|
*/
|
Tk_GeometryRequest((Tk_Window)winPtr, width, height);
|
Tk_GeometryRequest((Tk_Window)winPtr, width, height);
|
|
|
if (containerPtr->embeddedHWnd != NULL) {
|
if (containerPtr->embeddedHWnd != NULL) {
|
while (Tcl_DoOneEvent(TCL_IDLE_EVENTS)) {
|
while (Tcl_DoOneEvent(TCL_IDLE_EVENTS)) {
|
/* Empty loop body. */
|
/* Empty loop body. */
|
}
|
}
|
|
|
SetWindowPos(containerPtr->embeddedHWnd, NULL,
|
SetWindowPos(containerPtr->embeddedHWnd, NULL,
|
0, 0, winPtr->changes.width, winPtr->changes.height, SWP_NOZORDER);
|
0, 0, winPtr->changes.width, winPtr->changes.height, SWP_NOZORDER);
|
}
|
}
|
}
|
}
|
|
|
/*
|
/*
|
*----------------------------------------------------------------------
|
*----------------------------------------------------------------------
|
*
|
*
|
* ContainerEventProc --
|
* ContainerEventProc --
|
*
|
*
|
* This procedure is invoked by the Tk event dispatcher when
|
* This procedure is invoked by the Tk event dispatcher when
|
* various useful events are received for the container window.
|
* various useful events are received for the container window.
|
*
|
*
|
* Results:
|
* Results:
|
* None.
|
* None.
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* Depends on the event. For example, when ConfigureRequest events
|
* Depends on the event. For example, when ConfigureRequest events
|
* occur, geometry information gets set for the container window.
|
* occur, geometry information gets set for the container window.
|
*
|
*
|
*----------------------------------------------------------------------
|
*----------------------------------------------------------------------
|
*/
|
*/
|
|
|
static void
|
static void
|
ContainerEventProc(clientData, eventPtr)
|
ContainerEventProc(clientData, eventPtr)
|
ClientData clientData; /* Token for container window. */
|
ClientData clientData; /* Token for container window. */
|
XEvent *eventPtr; /* ResizeRequest event. */
|
XEvent *eventPtr; /* ResizeRequest event. */
|
{
|
{
|
Container *containerPtr = (Container *)clientData;
|
Container *containerPtr = (Container *)clientData;
|
Tk_Window tkwin = (Tk_Window)containerPtr->parentPtr;
|
Tk_Window tkwin = (Tk_Window)containerPtr->parentPtr;
|
|
|
if (eventPtr->type == ConfigureNotify) {
|
if (eventPtr->type == ConfigureNotify) {
|
if (containerPtr->embeddedPtr == NULL) {
|
if (containerPtr->embeddedPtr == NULL) {
|
return;
|
return;
|
}
|
}
|
/* Resize the embedded window, if there is any */
|
/* Resize the embedded window, if there is any */
|
if (containerPtr->embeddedHWnd) {
|
if (containerPtr->embeddedHWnd) {
|
SetWindowPos(containerPtr->embeddedHWnd, NULL,
|
SetWindowPos(containerPtr->embeddedHWnd, NULL,
|
0, 0, Tk_Width(tkwin), Tk_Height(tkwin), SWP_NOZORDER);
|
0, 0, Tk_Width(tkwin), Tk_Height(tkwin), SWP_NOZORDER);
|
}
|
}
|
} else if (eventPtr->type == DestroyNotify) {
|
} else if (eventPtr->type == DestroyNotify) {
|
/* The container is gone, remove it from the list */
|
/* The container is gone, remove it from the list */
|
EmbedWindowDeleted(containerPtr->parentPtr);
|
EmbedWindowDeleted(containerPtr->parentPtr);
|
}
|
}
|
}
|
}
|
|
|
/*
|
/*
|
*----------------------------------------------------------------------
|
*----------------------------------------------------------------------
|
*
|
*
|
* TkpGetOtherWindow --
|
* TkpGetOtherWindow --
|
*
|
*
|
* If both the container and embedded window are in the same
|
* If both the container and embedded window are in the same
|
* process, this procedure will return either one, given the other.
|
* process, this procedure will return either one, given the other.
|
*
|
*
|
* Results:
|
* Results:
|
* If winPtr is a container, the return value is the token for the
|
* 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
|
* embedded window, and vice versa. If the "other" window isn't in
|
* this process, NULL is returned.
|
* this process, NULL is returned.
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* None.
|
* None.
|
*
|
*
|
*----------------------------------------------------------------------
|
*----------------------------------------------------------------------
|
*/
|
*/
|
|
|
TkWindow *
|
TkWindow *
|
TkpGetOtherWindow(winPtr)
|
TkpGetOtherWindow(winPtr)
|
TkWindow *winPtr; /* Tk's structure for a container or
|
TkWindow *winPtr; /* Tk's structure for a container or
|
* embedded window. */
|
* embedded window. */
|
{
|
{
|
Container *containerPtr;
|
Container *containerPtr;
|
|
|
for (containerPtr = firstContainerPtr; containerPtr != NULL;
|
for (containerPtr = firstContainerPtr; containerPtr != NULL;
|
containerPtr = containerPtr->nextPtr) {
|
containerPtr = containerPtr->nextPtr) {
|
if (containerPtr->embeddedPtr == winPtr) {
|
if (containerPtr->embeddedPtr == winPtr) {
|
return containerPtr->parentPtr;
|
return containerPtr->parentPtr;
|
} else if (containerPtr->parentPtr == winPtr) {
|
} else if (containerPtr->parentPtr == winPtr) {
|
return containerPtr->embeddedPtr;
|
return containerPtr->embeddedPtr;
|
}
|
}
|
}
|
}
|
panic("TkpGetOtherWindow couldn't find window");
|
panic("TkpGetOtherWindow couldn't find window");
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/*
|
/*
|
*----------------------------------------------------------------------
|
*----------------------------------------------------------------------
|
*
|
*
|
* TkpClaimFocus --
|
* TkpClaimFocus --
|
*
|
*
|
* This procedure is invoked when someone asks or the input focus
|
* This procedure is invoked when someone asks or the input focus
|
* to be put on a window in an embedded application, but the
|
* to be put on a window in an embedded application, but the
|
* application doesn't currently have the focus. It requests the
|
* application doesn't currently have the focus. It requests the
|
* input focus from the container application.
|
* input focus from the container application.
|
*
|
*
|
* Results:
|
* Results:
|
* None.
|
* None.
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* The input focus may change.
|
* The input focus may change.
|
*
|
*
|
*----------------------------------------------------------------------
|
*----------------------------------------------------------------------
|
*/
|
*/
|
|
|
void
|
void
|
TkpClaimFocus(topLevelPtr, force)
|
TkpClaimFocus(topLevelPtr, force)
|
TkWindow *topLevelPtr; /* Top-level window containing desired
|
TkWindow *topLevelPtr; /* Top-level window containing desired
|
* focus window; should be embedded. */
|
* focus window; should be embedded. */
|
int force; /* One means that the container should
|
int force; /* One means that the container should
|
* claim the focus if it doesn't
|
* claim the focus if it doesn't
|
* currently have it. */
|
* currently have it. */
|
{
|
{
|
HWND hwnd = GetParent(Tk_GetHWND(topLevelPtr->window));
|
HWND hwnd = GetParent(Tk_GetHWND(topLevelPtr->window));
|
SendMessage(hwnd, TK_CLAIMFOCUS, (WPARAM) force, 0);
|
SendMessage(hwnd, TK_CLAIMFOCUS, (WPARAM) force, 0);
|
}
|
}
|
|
|
/*
|
/*
|
*----------------------------------------------------------------------
|
*----------------------------------------------------------------------
|
*
|
*
|
* TkpRedirectKeyEvent --
|
* TkpRedirectKeyEvent --
|
*
|
*
|
* This procedure is invoked when a key press or release event
|
* This procedure is invoked when a key press or release event
|
* arrives for an application that does not believe it owns the
|
* arrives for an application that does not believe it owns the
|
* input focus. This can happen because of embedding; for example,
|
* input focus. This can happen because of embedding; for example,
|
* X can send an event to an embedded application when the real
|
* X can send an event to an embedded application when the real
|
* focus window is in the container application and is an ancestor
|
* focus window is in the container application and is an ancestor
|
* of the container. This procedure's job is to forward the event
|
* of the container. This procedure's job is to forward the event
|
* back to the application where it really belongs.
|
* back to the application where it really belongs.
|
*
|
*
|
* Results:
|
* Results:
|
* None.
|
* None.
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* The event may get sent to a different application.
|
* The event may get sent to a different application.
|
*
|
*
|
*----------------------------------------------------------------------
|
*----------------------------------------------------------------------
|
*/
|
*/
|
|
|
void
|
void
|
TkpRedirectKeyEvent(winPtr, eventPtr)
|
TkpRedirectKeyEvent(winPtr, eventPtr)
|
TkWindow *winPtr; /* Window to which the event was originally
|
TkWindow *winPtr; /* Window to which the event was originally
|
* reported. */
|
* reported. */
|
XEvent *eventPtr; /* X event to redirect (should be KeyPress
|
XEvent *eventPtr; /* X event to redirect (should be KeyPress
|
* or KeyRelease). */
|
* or KeyRelease). */
|
{
|
{
|
/* not implemented */
|
/* not implemented */
|
}
|
}
|
|
|
/*
|
/*
|
*----------------------------------------------------------------------
|
*----------------------------------------------------------------------
|
*
|
*
|
* EmbedWindowDeleted --
|
* EmbedWindowDeleted --
|
*
|
*
|
* This procedure is invoked when a window involved in embedding
|
* This procedure is invoked when a window involved in embedding
|
* (as either the container or the embedded application) is
|
* (as either the container or the embedded application) is
|
* destroyed. It cleans up the Container structure for the window.
|
* destroyed. It cleans up the Container structure for the window.
|
*
|
*
|
* Results:
|
* Results:
|
* None.
|
* None.
|
*
|
*
|
* Side effects:
|
* Side effects:
|
* A Container structure may be freed.
|
* A Container structure may be freed.
|
*
|
*
|
*----------------------------------------------------------------------
|
*----------------------------------------------------------------------
|
*/
|
*/
|
|
|
static void
|
static void
|
EmbedWindowDeleted(winPtr)
|
EmbedWindowDeleted(winPtr)
|
TkWindow *winPtr; /* Tk's information about window that
|
TkWindow *winPtr; /* Tk's information about window that
|
* was deleted. */
|
* was deleted. */
|
{
|
{
|
Container *containerPtr, *prevPtr;
|
Container *containerPtr, *prevPtr;
|
|
|
/*
|
/*
|
* Find the Container structure for this window work. Delete the
|
* Find the Container structure for this window work. Delete the
|
* information about the embedded application and free the container's
|
* information about the embedded application and free the container's
|
* record.
|
* record.
|
*/
|
*/
|
|
|
prevPtr = NULL;
|
prevPtr = NULL;
|
containerPtr = firstContainerPtr;
|
containerPtr = firstContainerPtr;
|
while (1) {
|
while (1) {
|
if (containerPtr->embeddedPtr == winPtr) {
|
if (containerPtr->embeddedPtr == winPtr) {
|
containerPtr->embeddedHWnd = NULL;
|
containerPtr->embeddedHWnd = NULL;
|
containerPtr->embeddedPtr = NULL;
|
containerPtr->embeddedPtr = NULL;
|
break;
|
break;
|
}
|
}
|
if (containerPtr->parentPtr == winPtr) {
|
if (containerPtr->parentPtr == winPtr) {
|
containerPtr->parentPtr = NULL;
|
containerPtr->parentPtr = NULL;
|
break;
|
break;
|
}
|
}
|
prevPtr = containerPtr;
|
prevPtr = containerPtr;
|
containerPtr = containerPtr->nextPtr;
|
containerPtr = containerPtr->nextPtr;
|
if (containerPtr == NULL) {
|
if (containerPtr == NULL) {
|
panic("EmbedWindowDeleted couldn't find window");
|
panic("EmbedWindowDeleted couldn't find window");
|
}
|
}
|
}
|
}
|
if ((containerPtr->embeddedPtr == NULL)
|
if ((containerPtr->embeddedPtr == NULL)
|
&& (containerPtr->parentPtr == NULL)) {
|
&& (containerPtr->parentPtr == NULL)) {
|
if (prevPtr == NULL) {
|
if (prevPtr == NULL) {
|
firstContainerPtr = containerPtr->nextPtr;
|
firstContainerPtr = containerPtr->nextPtr;
|
} else {
|
} else {
|
prevPtr->nextPtr = containerPtr->nextPtr;
|
prevPtr->nextPtr = containerPtr->nextPtr;
|
}
|
}
|
ckfree((char *) containerPtr);
|
ckfree((char *) containerPtr);
|
}
|
}
|
}
|
}
|
|
|
