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--- tkUnixIm.c.orig Thu Feb 22 12:00:09 2001
+++ tkUnixIm.c Thu Feb 22 12:01:30 2001
@@ -0,0 +1,258 @@
+/*
+ * tkUnixIm.c --
+ *
+ * This file contains modules to implement the XIM protocol session.
+ * This is the shrinked version of tkXIM.c, worte for tk8.0jp.
+ *
+ *
+ * Copyright 1999, 2000 Software Research Associates, Inc.
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted, provided
+ * that the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Software Research Associates not be
+ * used in advertising or publicity pertaining to distribution of the
+ * software without specific, written prior permission. Software Research
+ * Associates makes no representations about the suitability of this software
+ * for any purpose. It is provided "as is" without express or implied
+ * warranty.
+ */
+
+#include "tkPort.h"
+#include "tkInt.h"
+
+#ifdef TK_USE_INPUT_METHODS
+#ifdef I18N_IMPROVE
+
+static void TkpIMGenericHandler _ANSI_ARGS_((ClientData clientData, XEvent *eventPtr));
+static TkWindow * GetToplevel _ANSI_ARGS_((TkWindow *winPtr));
+static void TkpCreateIMGenericHandler _ANSI_ARGS_((Tk_Window tkwin));
+static void TkpDeleteIMGenericHandler _ANSI_ARGS_((Tk_Window tkwin));
+
+static TkWindow *
+GetToplevel(winPtr)
+ TkWindow *winPtr;
+{
+ while (!(winPtr->flags & TK_TOP_LEVEL)) {
+ winPtr = winPtr->parentPtr;
+ if (winPtr == NULL) {
+ return NULL;
+ }
+ }
+ return winPtr;
+}
+
+
+static void
+TkpIMGenericHandler(clientData, eventPtr)
+ ClientData clientData;
+ XEvent *eventPtr;
+{
+ Tk_Window tkwin = (Tk_Window)clientData;
+ TkWindow *winPtr = (TkWindow *)clientData;
+
+ if (eventPtr->xany.window != Tk_WindowId(tkwin) ||
+ winPtr->inputContext == NULL ||
+ !(winPtr->flags & TK_CHECKED_IC)) {
+ /*
+ * Why ME ???
+ */
+ return;
+ }
+
+ /*
+ * Well, should I care about Enter/Leave ?
+ */
+
+ switch (eventPtr->type) {
+ case KeyPress:
+ case FocusIn: {
+ Window root, child;
+ int rootX, rootY;
+ int wX, wY;
+ unsigned int mask;
+
+ /*
+ * Care about case mouse pointer is not on winPtr->window.
+ * In such a case, IM server can't fetch any events from Tk.
+ */
+
+ if (XQueryPointer(winPtr->display,
+ RootWindow(winPtr->display, winPtr->screenNum),
+ &root, &child, &rootX, &rootY, &wX, &wY, &mask) == True) {
+ TkWindow *pWin = (TkWindow *)Tk_CoordsToWindow(rootX, rootY,
+ (Tk_Window)winPtr);
+ if (pWin != NULL && (pWin->window != winPtr->window)) {
+#if 0
+ /*
+ * Code belows are what I REALLY want to do. But,
+ * in XIMPreeditPosition mode, IM server use the
+ * focus window as key event source window and as
+ * PreeditArea window by X11 specification. I want
+ * IM server to use this focus window ONLY as key
+ * event source. Means:
+ *
+ * o PreeditArea and PreeditPosition take place
+ * within client window (winPtr->window).
+ * o KeyPress event source is the window in which
+ * mouse pointer is (pWin->window).
+ */
+
+ if (XSetICValues(winPtr->inputContext, XNFocusWindow,
+ pWin->window, NULL) != NULL) {
+ fprintf(stderr, "debugIC: can't set IC focus to pointer window 0x%08x\n",
+ pWin->window);
+ } else {
+ fprintf(stderr, "debugIC: set IC focus to pointer window 0x%08x\n",
+ pWin->window);
+ }
+#endif
+ /*
+ * Check pWin and winPtr are in same toplevel.
+ * If they are NOT, don't change focus.
+ */
+ TkWindow *pTop = GetToplevel(pWin);
+ TkWindow *wTop = GetToplevel(winPtr);
+ if (pTop == wTop) {
+ TkpChangeFocus(winPtr, 1);
+ }
+ }
+ }
+ /*
+ * Get current focused window.
+ */
+ if (winPtr->dispPtr->lastFocusedIC != winPtr->inputContext) {
+ winPtr->dispPtr->lastFocusedIC = winPtr->inputContext;
+ XSetICFocus(winPtr->inputContext);
+ }
+ break;
+ }
+
+ case FocusOut: {
+ winPtr->dispPtr->lastFocusedIC = None;
+ XUnsetICFocus(winPtr->inputContext);
+ break;
+ }
+
+ case DestroyNotify: {
+ winPtr->dispPtr->lastFocusedIC = NULL;
+ XUnsetICFocus(winPtr->inputContext);
+ TkpDeleteIMGenericHandler(tkwin);
+ break;
+ }
+ }
+}
+
+
+static void
+TkpCreateIMGenericHandler(tkwin)
+ Tk_Window tkwin;
+{
+ Tk_CreateEventHandler(tkwin, FocusChangeMask|StructureNotifyMask|KeyPressMask
+#if 0
+ EnterWindowMask|LeaveWindowMask,
+#else
+ ,
+#endif
+ (Tk_EventProc *)TkpIMGenericHandler,
+ (ClientData)tkwin);
+}
+
+
+static void
+TkpDeleteIMGenericHandler(tkwin)
+ Tk_Window tkwin;
+{
+ Tk_DeleteEventHandler(tkwin, FocusChangeMask|StructureNotifyMask|KeyPressMask
+#if 0
+ EnterWindowMask|LeaveWindowMask,
+#else
+ ,
+#endif
+ (Tk_EventProc *)TkpIMGenericHandler,
+ (ClientData)tkwin);
+}
+
+
+XIC
+TkpCreateIC(winPtr)
+ TkWindow *winPtr;
+{
+ if (winPtr->dispPtr->inputMethod != NULL &&
+ !(winPtr->flags & TK_CHECKED_IC)) {
+ winPtr->inputContext =
+ XCreateIC(winPtr->dispPtr->inputMethod,
+ XNInputStyle, XIMPreeditNothing|XIMStatusNothing,
+ XNClientWindow, winPtr->window,
+ XNFocusWindow, winPtr->window,
+ NULL);
+ if (winPtr->inputContext != NULL) {
+ TkpCreateIMGenericHandler((Tk_Window)winPtr);
+ }
+ }
+ winPtr->flags |= TK_CHECKED_IC;
+ return winPtr->inputContext;
+}
+
+
+void
+TkpDestroyIC(winPtr, needDestroy)
+ TkWindow *winPtr;
+ int needDestroy;
+{
+ TkpDeleteIMGenericHandler((Tk_Window)winPtr);
+ if (winPtr->inputContext == winPtr->dispPtr->lastFocusedIC) {
+ winPtr->dispPtr->lastFocusedIC = None;
+ }
+ if (needDestroy == 1 &&
+ winPtr->inputContext != NULL) {
+ XDestroyIC(winPtr->inputContext);
+ }
+ winPtr->flags &= ~(TK_CHECKED_IC);
+ winPtr->inputContext = NULL;
+}
+
+
+int
+Tk_ImconfigureObjCmd(clientData, interp, objc, objv)
+ ClientData clientData; /* Main window associated with
+ * interpreter. */
+ Tcl_Interp *interp; /* Current interpreter. */
+ int objc; /* Number of arguments. */
+ Tcl_Obj *CONST objv[]; /* Argument objects. */
+{
+ Tk_Window tkwin = (Tk_Window)clientData;
+ Tcl_Obj *resultPtr = Tcl_GetObjResult(interp);
+
+ if (objc < 2) {
+ Tcl_WrongNumArgs(interp, 1, objv, "path ?option? ?arg? ...");
+ return TCL_ERROR;
+ }
+
+ tkwin = Tk_NameToWindow(interp, Tcl_GetStringFromObj(objv[1], NULL), tkwin);
+ if (tkwin == NULL) {
+ return TCL_ERROR;
+ }
+
+ if (((TkWindow *)tkwin)->dispPtr->useInputMethods == 0) {
+ /*
+ * Destroy XIC and leave.
+ */
+ TkpDestroyIC((TkWindow *)tkwin, 1);
+ return TCL_OK;
+ }
+
+ if (((TkWindow *)tkwin)->dispPtr->inputMethod == NULL) {
+ Tcl_AppendStringsToObj(resultPtr, "No IM server is available.", NULL);
+ return TCL_ERROR;
+ }
+
+ Tcl_AppendStringsToObj(resultPtr,
+ (TkpCreateIC((TkWindow *)tkwin) != NULL) ? "1" : "0",
+ NULL);
+ return TCL_OK;
+}
+
+#endif /* I18N_IMPROVE */
+#endif /* TK_USE_INPUT_METHODS */
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