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Annotation of researchv9/X11/src/X.V11R1/lib/oldXtk/Message.c, revision 1.1

1.1     ! root        1: /* $Header: Message.c,v 1.1 87/09/11 07:58:19 toddb Exp $ */
        !             2: #ifndef lint
        !             3: static char *sccsid = "@(#)Message.c   1.4     2/25/87";
        !             4: #endif lint
        !             5: 
        !             6: /*
        !             7:  * Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
        !             8:  * 
        !             9:  *                         All Rights Reserved
        !            10:  * 
        !            11:  * Permission to use, copy, modify, and distribute this software and its 
        !            12:  * documentation for any purpose and without fee is hereby granted, 
        !            13:  * provided that the above copyright notice appear in all copies and that
        !            14:  * both that copyright notice and this permission notice appear in 
        !            15:  * supporting documentation, and that the name of Digital Equipment
        !            16:  * Corporation not be used in advertising or publicity pertaining to
        !            17:  * distribution of the software without specific, written prior permission.  
        !            18:  * 
        !            19:  * 
        !            20:  * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
        !            21:  * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
        !            22:  * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
        !            23:  * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
        !            24:  * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
        !            25:  * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
        !            26:  * SOFTWARE.
        !            27:  */
        !            28: 
        !            29: 
        !            30: /* Message.c -- send messages and fake events to a widget. */
        !            31: 
        !            32: #include "Xlib.h"
        !            33: #include "Intrinsic.h"
        !            34: #include "Atoms.h"
        !            35: 
        !            36: /* 
        !            37:  * Send an event of the given type to the widget.
        !            38:  */
        !            39: 
        !            40: XtEventReturnCode XtSendEvent(dpy, w, type)
        !            41:     Display *dpy;
        !            42:     Window w;
        !            43:     unsigned long type;
        !            44: {
        !            45:     XEvent event;
        !            46:     event.type = type;
        !            47:     event.xany.display = dpy;
        !            48:     event.xany.window = w;
        !            49:     return XtDispatchEvent(&event);
        !            50: }
        !            51: 
        !            52: 
        !            53: /*
        !            54:  * Tell a widget that its window has been destroyed (or will be very soon).
        !            55:  */
        !            56: 
        !            57: XtEventReturnCode XtSendDestroyNotify(dpy, w)
        !            58:     Display *dpy;
        !            59:     Window w;
        !            60: {
        !            61:     return XtSendEvent(dpy, w, (unsigned long)DestroyNotify);
        !            62: }
        !            63: 
        !            64: 
        !            65: XtEventReturnCode XtSendConfigureNotify(dpy, w, box)
        !            66: Display *dpy;
        !            67: Window w;
        !            68: WindowBox *box;
        !            69: {
        !            70:     XConfigureEvent event;
        !            71:     event.type                 = ConfigureNotify;
        !            72:     event.display      = dpy;
        !            73:     event.event        = event.window = w;
        !            74:     event.x            = box->x;
        !            75:     event.y            = box->y;
        !            76:     event.width        = box->width;
        !            77:     event.height       = box->height;
        !            78:     event.border_width         = box->borderWidth;
        !            79:     return XtDispatchEvent((XEvent *) &event);
        !            80: }
        !            81: 
        !            82: XtEventReturnCode XtSendExpose(dpy, w)
        !            83:     Display *dpy;
        !            84:     Window w;
        !            85: {
        !            86:     XEvent event;
        !            87:     event.type = Expose;
        !            88:     event.xexpose.display = dpy;
        !            89:     event.xexpose.window = w;
        !            90:     event.xexpose.count = 0;
        !            91:     event.xexpose.x = 0;
        !            92:     event.xexpose.y = 0;
        !            93:     event.xexpose.width = 9999;
        !            94:     event.xexpose.height = 9999;
        !            95:     return XtDispatchEvent(&event);
        !            96: }
        !            97: 
        !            98: 
        !            99: #ifdef MESSAGES
        !           100: 
        !           101: /* 
        !           102:  * Send a message to a widget.
        !           103:  */
        !           104: 
        !           105: XtEventReturnCode XtSendMessage(dpy, w, message, args, argCount)
        !           106:     Display    *dpy;
        !           107:     Window     w;
        !           108:     XtMessage  message;
        !           109:     ArgList    args;
        !           110:     int                argCount;
        !           111: {
        !           112:     XtEvent event;
        !           113:     event.type = MessageEvent;
        !           114:     event.display = dpy;
        !           115:     event.window = w;
        !           116:     event.message = message;
        !           117:     event.args = args;
        !           118:     event.argCount = argCount;
        !           119:     event.subwindow = NULL;
        !           120:     return XtDispatchEvent((XEvent *)&event);
        !           121: }
        !           122: 
        !           123: /*
        !           124:  * Get the dimensions of the given window.  If it's not yet a widget (or the
        !           125:  * widget doesn't handle messages), ask the server.  Returns nonzero if
        !           126:  * the window doesn't exist.
        !           127:  */
        !           128: 
        !           129: XtStatus XtGetWindowSize(dpy, window, width, height, borderWidth)
        !           130:     Display *dpy;
        !           131:     Window window;
        !           132:     int *width, *height, *borderWidth;
        !           133: {
        !           134:     static Arg args[] = {
        !           135:        {XtNwidth,       (XtArgVal) -1},
        !           136:        {XtNheight,      (XtArgVal) -1},
        !           137:        {XtNborderWidth, (XtArgVal) -1},
        !           138:     };
        !           139:     Drawable root;
        !           140:     Dimension x, y;
        !           141:     unsigned int depth;
        !           142: 
        !           143:     args[0].value = args[1].value = args[2].value = (XtArgVal) -1;
        !           144:     (void) XtSendMessage(dpy, window, messageGETVALUES, args, XtNumber(args));
        !           145:     if ((int)args[0].value < 0 || (int)args[1].value < 0 ||
        !           146:            (int)args[2].value < 0) {
        !           147:        if (!XGetGeometry(dpy, window, &root, &x, &y,
        !           148:                          width, height, borderWidth, &depth))
        !           149:            return XtNOTWINDOW;
        !           150:     } else {
        !           151:        *width = (int)args[0].value;
        !           152:        *height = (int)args[1].value;
        !           153:        *borderWidth = (int)args[2].value;
        !           154:     }
        !           155:     return XtSUCCESS;
        !           156: }
        !           157: 
        !           158: #endif
        !           159: 
        !           160: /*
        !           161:  * Get the dimensions of the given window.  First ask its geometry manager;
        !           162:  * if it doesn't have one or the geometry manager is uncooperative, ask
        !           163:  * the server.  Returns nonzero if the window doesn't exist.
        !           164:  */
        !           165: 
        !           166: XtGetWindowSize(dpy, window, width, height, borderWidth)
        !           167: Display *dpy;
        !           168: Window window;
        !           169: Dimension *width, *height, *borderWidth;
        !           170: {
        !           171:     WindowBox box;
        !           172:     Drawable root;
        !           173:     Position x, y;
        !           174:     unsigned int depth;
        !           175: 
        !           176:     
        !           177:     if (XtMakeGeometryRequest(dpy, window, XtgeometryGetWindowBox, &box, &box)
        !           178:            == XtgeometryYes) {
        !           179:        *width = box.width;
        !           180:        *height = box.height;
        !           181:        *borderWidth = box.borderWidth;
        !           182:     } else {   
        !           183:        if (!XGetGeometry(dpy, window, &root, &x, &y,
        !           184:                          width, height, borderWidth, &depth))
        !           185:            return XtNOTWINDOW;
        !           186:     }
        !           187:     return XtSUCCESS;
        !           188: }

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