tkunixwm.c

linux系统下的音频通信

	if (Tk_Attributes((Tk_Window) winPtr)->override_redirect) {
	    Tcl_AppendResult(interp, "can't iconify \"", winPtr->pathName,
		    "\": override-redirect flag is set", (char *) NULL);
	    return TCL_ERROR;
	}
	if (wmPtr->master != None) {
	    Tcl_AppendResult(interp, "can't iconify \"", winPtr->pathName,
		    "\": it is a transient", (char *) NULL);
	    return TCL_ERROR;
	}
	if (wmPtr->iconFor != NULL) {
	    Tcl_AppendResult(interp, "can't iconify ", argv[2],
		    ": it is an icon for ", Tk_PathName(wmPtr->iconFor),
		   (char *) NULL);
	    return TCL_ERROR;
	}
	wmPtr->hints.initial_state = IconicState;
	if (wmPtr->flags & WM_NEVER_MAPPED) {
	    return TCL_OK;
	}
	if (wmPtr->withdrawn) {
	    UpdateHints(winPtr);
	    Tk_MapWindow((Tk_Window) winPtr);
	    wmPtr->withdrawn = 0;
	} else {
	    if (XIconifyWindow(winPtr->display, wmPtr->wrapperPtr->window,
		    winPtr->screenNum) == 0) {
		interp->result =
			"couldn't send iconify message to window manager";
		return TCL_ERROR;
	    }
	    WaitForMapNotify(winPtr, 0);
	}
    } else if ((c == 'i') && (strncmp(argv[1], "iconmask", length) == 0)
	    && (length >= 5)) {
	Pixmap pixmap;

	if ((argc != 3) && (argc != 4)) {
	    Tcl_AppendResult(interp, "wrong # arguments: must be \"",
		    argv[0], " iconmask window ?bitmap?\"",
		    (char *) NULL);
	    return TCL_ERROR;
	}
	if (argc == 3) {
	    if (wmPtr->hints.flags & IconMaskHint) {
		interp->result = Tk_NameOfBitmap(winPtr->display,
			wmPtr->hints.icon_mask);
	    }
	    return TCL_OK;
	}
	if (*argv[3] == '\0') {
	    if (wmPtr->hints.icon_mask != None) {
		Tk_FreeBitmap(winPtr->display, wmPtr->hints.icon_mask);
	    }
	    wmPtr->hints.flags &= ~IconMaskHint;
	} else {
	    pixmap = Tk_GetBitmap(interp, tkwin, Tk_GetUid(argv[3]));
	    if (pixmap == None) {
		return TCL_ERROR;
	    }
	    wmPtr->hints.icon_mask = pixmap;
	    wmPtr->hints.flags |= IconMaskHint;
	}
	UpdateHints(winPtr);
    } else if ((c == 'i') && (strncmp(argv[1], "iconname", length) == 0)
	    && (length >= 5)) {
	if (argc > 4) {
	    Tcl_AppendResult(interp, "wrong # arguments: must be \"",
		    argv[0], " iconname window ?newName?\"", (char *) NULL);
	    return TCL_ERROR;
	}
	if (argc == 3) {
	    interp->result = (wmPtr->iconName != NULL) ? wmPtr->iconName : "";
	    return TCL_OK;
	} else {
	    wmPtr->iconName = ckalloc((unsigned) (strlen(argv[3]) + 1));
	    strcpy(wmPtr->iconName, argv[3]);
	    if (!(wmPtr->flags & WM_NEVER_MAPPED)) {
		XSetIconName(winPtr->display, wmPtr->wrapperPtr->window,
			wmPtr->iconName);
	    }
	}
    } else if ((c == 'i') && (strncmp(argv[1], "iconposition", length) == 0)
	    && (length >= 5)) {
	int x, y;

	if ((argc != 3) && (argc != 5)) {
	    Tcl_AppendResult(interp, "wrong # arguments: must be \"",
		    argv[0], " iconposition window ?x y?\"",
		    (char *) NULL);
	    return TCL_ERROR;
	}
	if (argc == 3) {
	    if (wmPtr->hints.flags & IconPositionHint) {
		sprintf(interp->result, "%d %d", wmPtr->hints.icon_x,
			wmPtr->hints.icon_y);
	    }
	    return TCL_OK;
	}
	if (*argv[3] == '\0') {
	    wmPtr->hints.flags &= ~IconPositionHint;
	} else {
	    if ((Tcl_GetInt(interp, argv[3], &x) != TCL_OK)
		    || (Tcl_GetInt(interp, argv[4], &y) != TCL_OK)){
		return TCL_ERROR;
	    }
	    wmPtr->hints.icon_x = x;
	    wmPtr->hints.icon_y = y;
	    wmPtr->hints.flags |= IconPositionHint;
	}
	UpdateHints(winPtr);
    } else if ((c == 'i') && (strncmp(argv[1], "iconwindow", length) == 0)
	    && (length >= 5)) {
	Tk_Window tkwin2;
	WmInfo *wmPtr2;
	XSetWindowAttributes atts;

	if ((argc != 3) && (argc != 4)) {
	    Tcl_AppendResult(interp, "wrong # arguments: must be \"",
		    argv[0], " iconwindow window ?pathName?\"",
		    (char *) NULL);
	    return TCL_ERROR;
	}
	if (argc == 3) {
	    if (wmPtr->icon != NULL) {
		interp->result = Tk_PathName(wmPtr->icon);
	    }
	    return TCL_OK;
	}
	if (*argv[3] == '\0') {
	    wmPtr->hints.flags &= ~IconWindowHint;
	    if (wmPtr->icon != NULL) {
		/*
		 * Remove the icon window relationship.  In principle we
		 * should also re-enable button events for the window, but
		 * this doesn't work in general because the window manager
		 * is probably selecting on them (we'll get an error if
		 * we try to re-enable the events).  So, just leave the
		 * icon window event-challenged;  the user will have to
		 * recreate it if they want button events.
		 */

		wmPtr2 = ((TkWindow *) wmPtr->icon)->wmInfoPtr;
		wmPtr2->iconFor = NULL;
		wmPtr2->withdrawn = 1;
		wmPtr2->hints.initial_state = WithdrawnState;
	    }
	    wmPtr->icon = NULL;
	} else {
	    tkwin2 = Tk_NameToWindow(interp, argv[3], tkwin);
	    if (tkwin2 == NULL) {
		return TCL_ERROR;
	    }
	    if (!Tk_IsTopLevel(tkwin2)) {
		Tcl_AppendResult(interp, "can't use ", argv[3],
			" as icon window: not at top level", (char *) NULL);
		return TCL_ERROR;
	    }
	    wmPtr2 = ((TkWindow *) tkwin2)->wmInfoPtr;
	    if (wmPtr2->iconFor != NULL) {
		Tcl_AppendResult(interp, argv[3], " is already an icon for ",
			Tk_PathName(wmPtr2->iconFor), (char *) NULL);
		return TCL_ERROR;
	    }
	    if (wmPtr->icon != NULL) {
		WmInfo *wmPtr3 = ((TkWindow *) wmPtr->icon)->wmInfoPtr;
		wmPtr3->iconFor = NULL;
		wmPtr3->withdrawn = 1;
		wmPtr3->hints.initial_state = WithdrawnState;
	    }

	    /*
	     * Disable button events in the icon window:  some window
	     * managers (like olvwm) want to get the events themselves,
	     * but X only allows one application at a time to receive
	     * button events for a window.
	     */

	    atts.event_mask = Tk_Attributes(tkwin2)->event_mask
		    & ~ButtonPressMask;
	    Tk_ChangeWindowAttributes(tkwin2, CWEventMask, &atts);
	    Tk_MakeWindowExist(tkwin2);
	    if (wmPtr2->wrapperPtr == NULL) {
		CreateWrapper(wmPtr2);
	    }
	    wmPtr->hints.icon_window = Tk_WindowId(wmPtr2->wrapperPtr);
	    wmPtr->hints.flags |= IconWindowHint;
	    wmPtr->icon = tkwin2;
	    wmPtr2->iconFor = (Tk_Window) winPtr;
	    if (!wmPtr2->withdrawn && !(wmPtr2->flags & WM_NEVER_MAPPED)) {
		wmPtr2->withdrawn = 0;
		if (XWithdrawWindow(Tk_Display(tkwin2),
			Tk_WindowId(wmPtr2->wrapperPtr),
			Tk_ScreenNumber(tkwin2)) == 0) {
		    interp->result =
			    "couldn't send withdraw message to window manager";
		    return TCL_ERROR;
		}
		WaitForMapNotify((TkWindow *) tkwin2, 0);
	    }
	}
	UpdateHints(winPtr);
    } else if ((c == 'm') && (strncmp(argv[1], "maxsize", length) == 0)
	    && (length >= 2)) {
	int width, height;
	if ((argc != 3) && (argc != 5)) {
	    Tcl_AppendResult(interp, "wrong # arguments: must be \"",
		    argv[0], " maxsize window ?width height?\"", (char *) NULL);
	    return TCL_ERROR;
	}
	if (argc == 3) {
	    GetMaxSize(wmPtr, &width, &height);
	    sprintf(interp->result, "%d %d", width, height);
	    return TCL_OK;
	}
	if ((Tcl_GetInt(interp, argv[3], &width) != TCL_OK)
		|| (Tcl_GetInt(interp, argv[4], &height) != TCL_OK)) {
	    return TCL_ERROR;
	}
	wmPtr->maxWidth = width;
	wmPtr->maxHeight = height;
	wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
	goto updateGeom;
    } else if ((c == 'm') && (strncmp(argv[1], "minsize", length) == 0)
	    && (length >= 2)) {
	int width, height;
	if ((argc != 3) && (argc != 5)) {
	    Tcl_AppendResult(interp, "wrong # arguments: must be \"",
		    argv[0], " minsize window ?width height?\"", (char *) NULL);
	    return TCL_ERROR;
	}
	if (argc == 3) {
	    sprintf(interp->result, "%d %d", wmPtr->minWidth,
		    wmPtr->minHeight);
	    return TCL_OK;
	}
	if ((Tcl_GetInt(interp, argv[3], &width) != TCL_OK)
		|| (Tcl_GetInt(interp, argv[4], &height) != TCL_OK)) {
	    return TCL_ERROR;
	}
	wmPtr->minWidth = width;
	wmPtr->minHeight = height;
	wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
	goto updateGeom;
    } else if ((c == 'o')
	    && (strncmp(argv[1], "overrideredirect", length) == 0)) {
	int boolean;
	XSetWindowAttributes atts;

	if ((argc != 3) && (argc != 4)) {
	    Tcl_AppendResult(interp, "wrong # arguments: must be \"",
		    argv[0], " overrideredirect window ?boolean?\"",
		    (char *) NULL);
	    return TCL_ERROR;
	}
	if (argc == 3) {
	    if (Tk_Attributes((Tk_Window) winPtr)->override_redirect) {
		interp->result = "1";
	    } else {
		interp->result = "0";
	    }
	    return TCL_OK;
	}
	if (Tcl_GetBoolean(interp, argv[3], &boolean) != TCL_OK) {
	    return TCL_ERROR;
	}
	atts.override_redirect = (boolean) ? True : False;
	Tk_ChangeWindowAttributes((Tk_Window) winPtr, CWOverrideRedirect,
		&atts);
	if (winPtr->wmInfoPtr->wrapperPtr != NULL) {
	    Tk_ChangeWindowAttributes(
		    (Tk_Window) winPtr->wmInfoPtr->wrapperPtr,
		    CWOverrideRedirect, &atts);
	}
    } else if ((c == 'p') && (strncmp(argv[1], "positionfrom", length) == 0)
	    && (length >= 2)) {
	if ((argc != 3) && (argc != 4)) {
	    Tcl_AppendResult(interp, "wrong # arguments: must be \"",
		    argv[0], " positionfrom window ?user/program?\"",
		    (char *) NULL);
	    return TCL_ERROR;
	}
	if (argc == 3) {
	    if (wmPtr->sizeHintsFlags & USPosition) {
		interp->result = "user";
	    } else if (wmPtr->sizeHintsFlags & PPosition) {
		interp->result = "program";
	    }
	    return TCL_OK;
	}
	if (*argv[3] == '\0') {
	    wmPtr->sizeHintsFlags &= ~(USPosition|PPosition);
	} else {
	    c = argv[3][0];
	    length = strlen(argv[3]);
	    if ((c == 'u') && (strncmp(argv[3], "user", length) == 0)) {
		wmPtr->sizeHintsFlags &= ~PPosition;
		wmPtr->sizeHintsFlags |= USPosition;
	    } else if ((c == 'p') && (strncmp(argv[3], "program", length) == 0)) {
		wmPtr->sizeHintsFlags &= ~USPosition;
		wmPtr->sizeHintsFlags |= PPosition;
	    } else {
		Tcl_AppendResult(interp, "bad argument \"", argv[3],
			"\": must be program or user", (char *) NULL);
		return TCL_ERROR;
	    }
	}
	wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
	goto updateGeom;
    } else if ((c == 'p') && (strncmp(argv[1], "protocol", length) == 0)
	    && (length >= 2)) {
	register ProtocolHandler *protPtr, *prevPtr;
	Atom protocol;
	int cmdLength;

	if ((argc < 3) || (argc > 5)) {
	    Tcl_AppendResult(interp, "wrong # arguments: must be \"",
		    argv[0], " protocol window ?name? ?command?\"",
		    (char *) NULL);
	    return TCL_ERROR;
	}
	if (argc == 3) {
	    /*
	     * Return a list of all defined protocols for the window.
	     */
	    for (protPtr = wmPtr->protPtr; protPtr != NULL;
		    protPtr = protPtr->nextPtr) {
		Tcl_AppendElement(interp,
			Tk_GetAtomName((Tk_Window) winPtr, protPtr->protocol));
	    }
	    return TCL_OK;
	}
	protocol = Tk_InternAtom((Tk_Window) winPtr, argv[3]);
	if (argc == 4) {
	    /*
	     * Return the command to handle a given protocol.
	     */
	    for (protPtr = wmPtr->protPtr; protPtr != NULL;
		    protPtr = protPtr->nextPtr) {
		if (protPtr->protocol == protocol) {
		    interp->result = protPtr->command;
		    return TCL_OK;
		}
	    }
	    return TCL_OK;
	}

	/*
	 * Delete any current protocol handler, then create a new
	 * one with the specified command, unless the command is
	 * empty.
	 */

	for (protPtr = wmPtr->protPtr, prevPtr = NULL; protPtr != NULL;
		prevPtr = protPtr, protPtr = protPtr->nextPtr) {
	    if (protPtr->protocol == protocol) {
		if (prevPtr == NULL) {
		    wmPtr->protPtr = protPtr->nextPtr;
		} else {
		    prevPtr->nextPtr = protPtr->nextPtr;
		}
		Tcl_EventuallyFree((ClientData) protPtr, TCL_DYNAMIC);
		break;
	    }
	}
	cmdLength = strlen(argv[4]);
	if (cmdLength > 0) {
	    protPtr = (ProtocolHandler *) ckalloc(HANDLER_SIZE(cmdLength));
	    protPtr->protocol = protocol;
	    protPtr->nextPtr = wmPtr->protPtr;
	    wmPtr->protPtr = protPtr;
	    protPtr->interp = interp;
	    strcpy(protPtr->command, argv[4]);
	}
	if (!(wmPtr->flags & WM_NEVER_MAPPED)) {
	    UpdateWmProtocols(wmPtr);
	}
    } else if ((c == 'r') && (strncmp(argv[1], "resizable", length) == 0)) {
	int width, height;

	if ((argc != 3) && (argc != 5)) {
	    Tcl_AppendResult(interp, "wrong # arguments: must be \"",
		    argv[0], " resizable window ?width height?\"",
		    (char *) NULL);
	    return TCL_ERROR;
	}
	if (argc == 3) {
	    sprintf(interp->result, "%d %d",
		    (wmPtr->flags  & WM_WIDTH_NOT_RESIZABLE) ? 0 : 1,
		    (wmPtr->flags  & WM_HEIGHT_NOT_RESIZABLE) ? 0 : 1);
	    return TCL_OK;
	}
	if ((Tcl_GetBoolean(interp, argv[3], &width) != TCL_OK)
		|| (Tcl_GetBoolean(interp, argv[4], &height) != TCL_OK)) {
	    return TCL_ERROR;
	}
	if (width) {
	    wmPtr->flags &= ~WM_WIDTH_NOT_RESIZABLE;
	} else {
	    wmPtr->flags |= WM_WIDTH_NOT_RESIZABLE;
	}
	if (height) {
	    wmPtr->flags &= ~WM_HEIGHT_NOT_RESIZABLE;
	} else {
	    wmPtr->flags |= WM_HEIGHT_NOT_RESIZABLE;
	}
	wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
	goto updateGeom;
    } else if ((c == 's') && (strncmp(argv[1], "sizefrom", length) == 0)
	    && (length >= 2)) {
	if ((argc != 3) && (argc != 4)) {
	    Tcl_AppendResult(interp, "wrong # arguments: must be \"",
		    argv[0], " sizefrom window ?user|program?\"",
		    (char *) NULL);
	    return TCL_ERROR;
	}
	if (argc == 3) {