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1.1 root 1: #ifndef lint
2: static char rcsid[] = "$Header: Geometry.c,v 1.15 87/09/11 21:23:59 haynes Rel $";
3: #endif lint
4:
5: /*
6: * Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
7: *
8: * All Rights Reserved
9: *
10: * Permission to use, copy, modify, and distribute this software and its
11: * documentation for any purpose and without fee is hereby granted,
12: * provided that the above copyright notice appear in all copies and that
13: * both that copyright notice and this permission notice appear in
14: * supporting documentation, and that the name of Digital Equipment
15: * Corporation not be used in advertising or publicity pertaining to
16: * distribution of the software without specific, written prior permission.
17: *
18: *
19: * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
20: * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
21: * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
22: * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
23: * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
24: * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
25: * SOFTWARE.
26: */
27: /* File: Geometry.c */
28:
29: #include "Intrinsic.h"
30:
31: /* Public routines */
32:
33: void XtResizeWindow(w)
34: Widget w;
35: {
36: if (XtIsRealized(w)) {
37: XWindowChanges changes;
38: changes.width = w->core.width;
39: changes.height = w->core.height;
40: changes.border_width = w->core.border_width;
41: XConfigureWindow(XtDisplay(w), XtWindow(w),
42: (unsigned) CWWidth | CWHeight | CWBorderWidth, &changes);
43: }
44: } /* XtResizeWindow */
45:
46:
47: void XtResizeWidget(w, width, height, borderWidth)
48: Widget w;
49: Dimension height, width, borderWidth;
50: {
51: XWindowChanges changes;
52: Cardinal mask = 0;
53:
54: if (w->core.width != width) {
55: changes.width = w->core.width = width;
56: mask |= CWWidth;
57: }
58:
59: if (w->core.height != height) {
60: changes.height = w->core.height = height;
61: mask |= CWHeight;
62: }
63:
64: if (w->core.border_width != borderWidth) {
65: changes.border_width = w->core.border_width = borderWidth;
66: mask |= CWBorderWidth;
67: }
68:
69: if (mask != 0) {
70: if (XtIsRealized(w))
71: XConfigureWindow(XtDisplay(w), XtWindow(w), mask, &changes);
72: if ((mask & (CWWidth | CWHeight)) &&
73: XtClass(w)->core_class.resize != (XtWidgetProc) NULL)
74: w->core.widget_class->core_class.resize(w);
75: }
76: } /* XtResizeWidget */
77:
78: XtGeometryResult XtMakeGeometryRequest (widget, request, reply)
79: Widget widget;
80: XtWidgetGeometry *request, *reply;
81: {
82: XtWidgetGeometry junk;
83: XtGeometryHandler manager;
84: XtGeometryResult returnCode;
85:
86: if (! XtIsComposite(widget->core.parent)) {
87: /* Should never happen - XtCreateWidget should have checked */
88: XtError("XtMakeGeometryRequest - parent not composite");
89: }
90: manager = ((CompositeWidgetClass) (widget->core.parent->core.widget_class))
91: ->composite_class.geometry_manager;
92: if (manager == (XtGeometryHandler) NULL) {
93: XtError("XtMakeGeometryRequest - parent has no geometry manger");
94: }
95: if ( ! widget->core.managed) {
96: XtWarning("XtMakeGeometryRequest - widget not managed");
97: return XtGeometryNo;
98: }
99: if (widget->core.being_destroyed) {
100: return XtGeometryNo;
101: }
102: if (reply == (XtWidgetGeometry *) NULL) {
103: returnCode = (*manager)(widget, request, &junk);
104: } else {
105: returnCode = (*manager)(widget, request, reply);
106: }
107: /* ||| Right now this is automatic. However, we may want it to be
108: explicitely called by geometry manager in order to effect the window resize
109: (especially to smaller size) before the windows are layed out. */
110: if (returnCode == XtGeometryYes) {
111: XtResizeWindow(widget);
112: }
113: return returnCode;
114: } /* XtMakeGeometryRequest */
115:
116: XtGeometryResult XtMakeResizeRequest
117: (widget, width, height, replyWidth, replyHeight)
118: Widget widget;
119: Dimension width, height;
120: Dimension *replyWidth, *replyHeight;
121: {
122: XtWidgetGeometry request, reply;
123: XtGeometryResult r;
124:
125: request.request_mode = CWWidth | CWHeight;
126: request.width = width;
127: request.height = height;
128: r = XtMakeGeometryRequest(widget, &request, &reply);
129: if (replyWidth != NULL)
130: if (r == XtGeometryAlmost && reply.request_mode & CWWidth)
131: *replyWidth = reply.width;
132: else
133: *replyWidth = width;
134: if (replyHeight != NULL)
135: if (r == XtGeometryAlmost && reply.request_mode & CWHeight)
136: *replyHeight = reply.height;
137: else
138: *replyWidth = width;
139: return r;
140: } /* XtMakeResizeRequest */
141:
142: void XtMoveWidget(w, x, y)
143: Widget w;
144: Position x, y;
145: {
146: if ((w->core.x != x) || (w->core.y != y)) {
147: w->core.x = x;
148: w->core.y = y;
149: if (XtIsRealized(w)) {
150: XMoveWindow(XtDisplay(w), XtWindow(w), w->core.x, w->core.y);
151: }
152: }
153: } /* XtMoveWidget */
154:
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