|
428
|
1 /* Emacs manager widget.
|
|
|
2 Copyright (C) 1993-1995 Sun Microsystems, Inc.
|
|
|
3 Copyright (C) 1995 Ben Wing.
|
|
|
4
|
|
|
5 This file is part of XEmacs.
|
|
|
6
|
|
|
7 XEmacs is free software; you can redistribute it and/or modify it
|
|
|
8 under the terms of the GNU General Public License as published by the
|
|
|
9 Free Software Foundation; either version 2, or (at your option) any
|
|
|
10 later version.
|
|
|
11
|
|
|
12 XEmacs is distributed in the hope that it will be useful, but WITHOUT
|
|
|
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
|
15 for more details.
|
|
|
16
|
|
|
17 You should have received a copy of the GNU General Public License
|
|
|
18 along with XEmacs; see the file COPYING. If not, write to
|
|
|
19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
|
20 Boston, MA 02111-1307, USA. */
|
|
|
21
|
|
|
22 /* Synched up with: Not in FSF. */
|
|
|
23
|
|
|
24 /* Written by Ben Wing, May, 1994. */
|
|
|
25
|
|
|
26 #include <config.h>
|
|
|
27
|
|
|
28 #include <X11/StringDefs.h>
|
|
|
29 #include "EmacsManagerP.h"
|
|
|
30 #ifdef LWLIB_MENUBARS_MOTIF
|
|
|
31 #include <Xm/RowColumn.h>
|
|
|
32 #endif /* LWLIB_MENUBARS_MOTIF */
|
|
|
33
|
|
|
34 /* For I, Emacs, am a kind god. Unlike the goddess Athena and the
|
|
|
35 Titan Motif, I require no ritual sacrifices to placate the lesser
|
|
|
36 daemons of geometry management. */
|
|
|
37
|
|
|
38 static XtResource resources[] = {
|
|
|
39 #define offset(field) XtOffset(EmacsManagerWidget, emacs_manager.field)
|
|
440
|
40 { XtNresizeCallback, XtCCallback,
|
|
|
41 XtRCallback, sizeof (XtCallbackList),
|
|
|
42 offset(resize_callback), XtRImmediate, (XtPointer) 0 },
|
|
|
43 { XtNqueryGeometryCallback, XtCCallback,
|
|
|
44 XtRCallback, sizeof (XtCallbackList),
|
|
|
45 offset(query_geometry_callback), XtRImmediate, (XtPointer) 0 },
|
|
|
46 { XtNuserData, XtCUserData,
|
|
|
47 XtRPointer, sizeof (XtPointer),
|
|
|
48 offset(user_data), XtRImmediate, (XtPointer) 0 },
|
|
428
|
49 };
|
|
|
50
|
|
|
51 /****************************************************************
|
|
|
52 *
|
|
|
53 * Full class record constant
|
|
|
54 *
|
|
|
55 ****************************************************************/
|
|
|
56
|
|
|
57 static XtGeometryResult QueryGeometry (Widget wid,
|
|
|
58 XtWidgetGeometry *request,
|
|
|
59 XtWidgetGeometry *reply);
|
|
|
60 static void Resize (Widget w);
|
|
|
61 static XtGeometryResult GeometryManager (Widget w, XtWidgetGeometry *request,
|
|
|
62 XtWidgetGeometry *reply);
|
|
|
63 static void ChangeManaged (Widget w);
|
|
|
64 static void Realize (Widget w, Mask *valueMask,
|
|
|
65 XSetWindowAttributes *attributes);
|
|
|
66 static void ClassInitialize (void);
|
|
|
67
|
|
|
68 EmacsManagerClassRec emacsManagerClassRec = {
|
|
|
69 {
|
|
|
70 /* core_class fields */
|
|
|
71 #ifdef LWLIB_USES_MOTIF
|
|
|
72 /* superclass */ (WidgetClass) &xmManagerClassRec,
|
|
|
73 #else
|
|
|
74 /* superclass */ (WidgetClass) &compositeClassRec,
|
|
|
75 #endif
|
|
|
76 /* class_name */ "EmacsManager",
|
|
440
|
77 /* widget_size */ sizeof (EmacsManagerRec),
|
|
428
|
78 /* class_initialize */ ClassInitialize,
|
|
|
79 /* class_part_init */ NULL,
|
|
|
80 /* class_inited */ FALSE,
|
|
|
81 /* initialize */ NULL,
|
|
|
82 /* initialize_hook */ NULL,
|
|
|
83 /* realize */ Realize,
|
|
|
84 /* actions */ NULL,
|
|
|
85 /* num_actions */ 0,
|
|
|
86 /* resources */ resources,
|
|
|
87 /* num_resources */ XtNumber(resources),
|
|
|
88 /* xrm_class */ NULLQUARK,
|
|
|
89 /* compress_motion */ TRUE,
|
|
|
90 /* compress_exposure */ TRUE,
|
|
|
91 /* compress_enterleave*/ TRUE,
|
|
|
92 /* visible_interest */ FALSE,
|
|
|
93 /* destroy */ NULL,
|
|
|
94 /* resize */ Resize,
|
|
|
95 /* expose */ NULL,
|
|
|
96 /* set_values */ NULL,
|
|
|
97 /* set_values_hook */ NULL,
|
|
|
98 /* set_values_almost */ XtInheritSetValuesAlmost,
|
|
|
99 /* get_values_hook */ NULL,
|
|
|
100 /* accept_focus */ NULL,
|
|
|
101 /* version */ XtVersion,
|
|
|
102 /* callback_private */ NULL,
|
|
|
103 /* tm_table */ XtInheritTranslations,
|
|
|
104 /* query_geometry */ QueryGeometry,
|
|
|
105 /* display_accelerator*/ XtInheritDisplayAccelerator,
|
|
|
106 /* extension */ NULL
|
|
|
107 },
|
|
|
108 {
|
|
|
109 /* composite_class fields */
|
|
|
110 /* geometry_manager */ GeometryManager,
|
|
|
111 /* change_managed */ ChangeManaged,
|
|
|
112 /* insert_child */ XtInheritInsertChild,
|
|
|
113 /* delete_child */ XtInheritDeleteChild,
|
|
|
114 /* extension */ NULL
|
|
|
115 },
|
|
|
116 #ifdef LWLIB_USES_MOTIF
|
|
|
117 {
|
|
|
118 /* constraint_class fields */
|
|
|
119 NULL, /* resource list */
|
|
|
120 0, /* num resources */
|
|
|
121 0, /* constraint size */
|
|
|
122 (XtInitProc)NULL, /* init proc */
|
|
|
123 (XtWidgetProc)NULL, /* destroy proc */
|
|
|
124 (XtSetValuesFunc)NULL, /* set values proc */
|
|
|
125 NULL, /* extension */
|
|
|
126 },
|
|
|
127 {
|
|
|
128 /* manager_class fields */
|
|
|
129 XtInheritTranslations, /* translations */
|
|
|
130 NULL, /* syn_resources */
|
|
|
131 0, /* num_syn_resources */
|
|
|
132 NULL, /* syn_cont_resources */
|
|
|
133 0, /* num_syn_cont_resources */
|
|
|
134 XmInheritParentProcess, /* parent_process */
|
|
|
135 NULL, /* extension */
|
|
|
136 },
|
|
|
137 #endif
|
|
|
138 {
|
|
|
139 /* emacs_manager_class fields */
|
|
|
140 /* empty */ 0,
|
|
|
141 }
|
|
|
142 };
|
|
|
143
|
|
|
144 WidgetClass emacsManagerWidgetClass = (WidgetClass)&emacsManagerClassRec;
|
|
|
145
|
|
|
146 /* What is my preferred size? A suggested size may be given. */
|
|
|
147
|
|
|
148 static XtGeometryResult
|
|
|
149 QueryGeometry (Widget w, XtWidgetGeometry *request, XtWidgetGeometry *reply)
|
|
|
150 {
|
|
|
151 EmacsManagerWidget emw = (EmacsManagerWidget) w;
|
|
|
152 EmacsManagerQueryGeometryStruct struc;
|
|
440
|
153 int request_mode = request->request_mode;
|
|
428
|
154
|
|
440
|
155 struc.request_mode = request_mode;
|
|
|
156 struc.proposed_width = (request_mode & CWWidth) ? request->width : 0;
|
|
|
157 struc.proposed_height = (request_mode & CWHeight) ? request->height : 0;
|
|
428
|
158 XtCallCallbackList (w, emw->emacs_manager.query_geometry_callback, &struc);
|
|
|
159 reply->request_mode = CWWidth | CWHeight;
|
|
|
160 reply->width = struc.proposed_width;
|
|
|
161 reply->height = struc.proposed_height;
|
|
440
|
162 if (((request_mode & CWWidth) && (request->width != reply->width)) ||
|
|
|
163 ((request_mode & CWHeight) && (request->height != reply->height)))
|
|
428
|
164 return XtGeometryAlmost;
|
|
|
165 return XtGeometryYes;
|
|
|
166 }
|
|
|
167
|
|
|
168 static void
|
|
|
169 Resize (Widget w)
|
|
|
170 {
|
|
|
171 EmacsManagerWidget emw = (EmacsManagerWidget) w;
|
|
|
172 EmacsManagerResizeStruct struc;
|
|
|
173
|
|
|
174 struc.width = w->core.width;
|
|
|
175 struc.height = w->core.height;
|
|
|
176 XtCallCallbackList (w, emw->emacs_manager.resize_callback, &struc);
|
|
|
177 }
|
|
|
178
|
|
|
179 static XtGeometryResult
|
|
|
180 GeometryManager (Widget w, XtWidgetGeometry *request, XtWidgetGeometry *reply)
|
|
|
181 {
|
|
|
182 /* Sure, any changes are fine. */
|
|
|
183
|
|
440
|
184 #ifdef LWLIB_MENUBARS_MOTIF
|
|
428
|
185 /* The Motif menubar will merrily request a new size every time a
|
|
|
186 child is added or deleted. Blow it off because it doesn't know
|
|
|
187 what it's talking about. */
|
|
440
|
188 if (XtClass (w) != xmRowColumnWidgetClass)
|
|
428
|
189 #endif /* LWLIB_MENUBARS_MOTIF */
|
|
|
190 {
|
|
440
|
191 if (request->request_mode & CWWidth) w->core.width = request->width;
|
|
|
192 if (request->request_mode & CWHeight) w->core.height = request->height;
|
|
428
|
193 }
|
|
440
|
194 if (request->request_mode & CWBorderWidth)
|
|
|
195 w->core.border_width = request->border_width;
|
|
|
196 if (request->request_mode & CWX) w->core.x = request->x;
|
|
|
197 if (request->request_mode & CWY) w->core.y = request->y;
|
|
428
|
198
|
|
|
199 return XtGeometryYes;
|
|
|
200 }
|
|
|
201
|
|
|
202 static void
|
|
|
203 ChangeManaged (Widget w)
|
|
|
204 {
|
|
|
205 if (!XtIsRealized (w))
|
|
|
206 {
|
|
440
|
207 XtWidgetGeometry request, reply;
|
|
428
|
208
|
|
|
209 /* find out how big we'd like to be ... */
|
|
|
210
|
|
440
|
211 request.request_mode = 0;
|
|
|
212 XtQueryGeometry (w, &request, &reply);
|
|
|
213 EmacsManagerChangeSize (w, reply.width, reply.height);
|
|
428
|
214 }
|
|
|
215 }
|
|
|
216
|
|
|
217 static void
|
|
|
218 Realize (Widget w, Mask *valueMask, XSetWindowAttributes *attributes)
|
|
|
219 {
|
|
|
220 attributes->bit_gravity = NorthWestGravity;
|
|
|
221 *valueMask |= CWBitGravity;
|
|
|
222
|
|
|
223 XtCreateWindow (w, (unsigned) InputOutput, (Visual *) CopyFromParent,
|
|
|
224 *valueMask, attributes);
|
|
|
225 }
|
|
|
226
|
|
|
227 static void
|
|
|
228 ClassInitialize (void)
|
|
|
229 {
|
|
|
230 return;
|
|
|
231 }
|
|
|
232
|
|
|
233 void
|
|
|
234 EmacsManagerChangeSize (Widget w, Dimension width, Dimension height)
|
|
|
235 {
|
|
|
236 if (width == 0)
|
|
|
237 width = w->core.width;
|
|
|
238 if (height == 0)
|
|
|
239 height = w->core.height;
|
|
|
240
|
|
|
241 /* do nothing if we're already that size */
|
|
|
242 if (w->core.width != width || w->core.height != height)
|
|
|
243 if (XtMakeResizeRequest (w, width, height, &w->core.width, &w->core.height)
|
|
|
244 == XtGeometryAlmost)
|
|
|
245 XtMakeResizeRequest (w, w->core.width, w->core.height, NULL, NULL);
|
|
|
246
|
|
|
247 Resize (w);
|
|
|
248 }
|
|
|
249
|
|
|
250
|
