|
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
|
|
1315
|
31 #include "xmotif.h"
|
|
428
|
32 #include <Xm/RowColumn.h>
|
|
|
33 #endif /* LWLIB_MENUBARS_MOTIF */
|
|
2286
|
34 #include "compiler.h"
|
|
428
|
35
|
|
|
36 /* For I, Emacs, am a kind god. Unlike the goddess Athena and the
|
|
|
37 Titan Motif, I require no ritual sacrifices to placate the lesser
|
|
|
38 daemons of geometry management. */
|
|
|
39
|
|
|
40 static XtResource resources[] = {
|
|
|
41 #define offset(field) XtOffset(EmacsManagerWidget, emacs_manager.field)
|
|
440
|
42 { XtNresizeCallback, XtCCallback,
|
|
|
43 XtRCallback, sizeof (XtCallbackList),
|
|
|
44 offset(resize_callback), XtRImmediate, (XtPointer) 0 },
|
|
|
45 { XtNqueryGeometryCallback, XtCCallback,
|
|
|
46 XtRCallback, sizeof (XtCallbackList),
|
|
|
47 offset(query_geometry_callback), XtRImmediate, (XtPointer) 0 },
|
|
|
48 { XtNuserData, XtCUserData,
|
|
|
49 XtRPointer, sizeof (XtPointer),
|
|
|
50 offset(user_data), XtRImmediate, (XtPointer) 0 },
|
|
428
|
51 };
|
|
|
52
|
|
|
53 /****************************************************************
|
|
|
54 *
|
|
|
55 * Full class record constant
|
|
|
56 *
|
|
|
57 ****************************************************************/
|
|
|
58
|
|
|
59 static XtGeometryResult QueryGeometry (Widget wid,
|
|
|
60 XtWidgetGeometry *request,
|
|
|
61 XtWidgetGeometry *reply);
|
|
|
62 static void Resize (Widget w);
|
|
|
63 static XtGeometryResult GeometryManager (Widget w, XtWidgetGeometry *request,
|
|
|
64 XtWidgetGeometry *reply);
|
|
|
65 static void ChangeManaged (Widget w);
|
|
|
66 static void Realize (Widget w, Mask *valueMask,
|
|
|
67 XSetWindowAttributes *attributes);
|
|
|
68 static void ClassInitialize (void);
|
|
|
69
|
|
|
70 EmacsManagerClassRec emacsManagerClassRec = {
|
|
|
71 {
|
|
|
72 /* core_class fields */
|
|
|
73 #ifdef LWLIB_USES_MOTIF
|
|
|
74 /* superclass */ (WidgetClass) &xmManagerClassRec,
|
|
|
75 #else
|
|
|
76 /* superclass */ (WidgetClass) &compositeClassRec,
|
|
|
77 #endif
|
|
|
78 /* class_name */ "EmacsManager",
|
|
440
|
79 /* widget_size */ sizeof (EmacsManagerRec),
|
|
428
|
80 /* class_initialize */ ClassInitialize,
|
|
|
81 /* class_part_init */ NULL,
|
|
|
82 /* class_inited */ FALSE,
|
|
|
83 /* initialize */ NULL,
|
|
|
84 /* initialize_hook */ NULL,
|
|
|
85 /* realize */ Realize,
|
|
|
86 /* actions */ NULL,
|
|
|
87 /* num_actions */ 0,
|
|
|
88 /* resources */ resources,
|
|
|
89 /* num_resources */ XtNumber(resources),
|
|
|
90 /* xrm_class */ NULLQUARK,
|
|
|
91 /* compress_motion */ TRUE,
|
|
1294
|
92 /* compress_exposure */ XtExposeCompressMaximal | XtExposeNoRegion,
|
|
428
|
93 /* compress_enterleave*/ TRUE,
|
|
|
94 /* visible_interest */ FALSE,
|
|
|
95 /* destroy */ NULL,
|
|
|
96 /* resize */ Resize,
|
|
|
97 /* expose */ NULL,
|
|
|
98 /* set_values */ NULL,
|
|
|
99 /* set_values_hook */ NULL,
|
|
|
100 /* set_values_almost */ XtInheritSetValuesAlmost,
|
|
|
101 /* get_values_hook */ NULL,
|
|
|
102 /* accept_focus */ NULL,
|
|
|
103 /* version */ XtVersion,
|
|
|
104 /* callback_private */ NULL,
|
|
|
105 /* tm_table */ XtInheritTranslations,
|
|
|
106 /* query_geometry */ QueryGeometry,
|
|
|
107 /* display_accelerator*/ XtInheritDisplayAccelerator,
|
|
|
108 /* extension */ NULL
|
|
|
109 },
|
|
|
110 {
|
|
|
111 /* composite_class fields */
|
|
|
112 /* geometry_manager */ GeometryManager,
|
|
|
113 /* change_managed */ ChangeManaged,
|
|
|
114 /* insert_child */ XtInheritInsertChild,
|
|
|
115 /* delete_child */ XtInheritDeleteChild,
|
|
|
116 /* extension */ NULL
|
|
|
117 },
|
|
|
118 #ifdef LWLIB_USES_MOTIF
|
|
|
119 {
|
|
|
120 /* constraint_class fields */
|
|
|
121 NULL, /* resource list */
|
|
|
122 0, /* num resources */
|
|
|
123 0, /* constraint size */
|
|
|
124 (XtInitProc)NULL, /* init proc */
|
|
|
125 (XtWidgetProc)NULL, /* destroy proc */
|
|
|
126 (XtSetValuesFunc)NULL, /* set values proc */
|
|
|
127 NULL, /* extension */
|
|
|
128 },
|
|
|
129 {
|
|
|
130 /* manager_class fields */
|
|
|
131 XtInheritTranslations, /* translations */
|
|
|
132 NULL, /* syn_resources */
|
|
|
133 0, /* num_syn_resources */
|
|
|
134 NULL, /* syn_cont_resources */
|
|
|
135 0, /* num_syn_cont_resources */
|
|
|
136 XmInheritParentProcess, /* parent_process */
|
|
|
137 NULL, /* extension */
|
|
|
138 },
|
|
|
139 #endif
|
|
|
140 {
|
|
|
141 /* emacs_manager_class fields */
|
|
|
142 /* empty */ 0,
|
|
|
143 }
|
|
|
144 };
|
|
|
145
|
|
|
146 WidgetClass emacsManagerWidgetClass = (WidgetClass)&emacsManagerClassRec;
|
|
|
147
|
|
|
148 /* What is my preferred size? A suggested size may be given. */
|
|
|
149
|
|
|
150 static XtGeometryResult
|
|
|
151 QueryGeometry (Widget w, XtWidgetGeometry *request, XtWidgetGeometry *reply)
|
|
|
152 {
|
|
|
153 EmacsManagerWidget emw = (EmacsManagerWidget) w;
|
|
|
154 EmacsManagerQueryGeometryStruct struc;
|
|
440
|
155 int request_mode = request->request_mode;
|
|
428
|
156
|
|
440
|
157 struc.request_mode = request_mode;
|
|
|
158 struc.proposed_width = (request_mode & CWWidth) ? request->width : 0;
|
|
|
159 struc.proposed_height = (request_mode & CWHeight) ? request->height : 0;
|
|
428
|
160 XtCallCallbackList (w, emw->emacs_manager.query_geometry_callback, &struc);
|
|
|
161 reply->request_mode = CWWidth | CWHeight;
|
|
|
162 reply->width = struc.proposed_width;
|
|
|
163 reply->height = struc.proposed_height;
|
|
440
|
164 if (((request_mode & CWWidth) && (request->width != reply->width)) ||
|
|
|
165 ((request_mode & CWHeight) && (request->height != reply->height)))
|
|
428
|
166 return XtGeometryAlmost;
|
|
|
167 return XtGeometryYes;
|
|
|
168 }
|
|
|
169
|
|
|
170 static void
|
|
|
171 Resize (Widget w)
|
|
|
172 {
|
|
|
173 EmacsManagerWidget emw = (EmacsManagerWidget) w;
|
|
|
174 EmacsManagerResizeStruct struc;
|
|
|
175
|
|
|
176 struc.width = w->core.width;
|
|
|
177 struc.height = w->core.height;
|
|
|
178 XtCallCallbackList (w, emw->emacs_manager.resize_callback, &struc);
|
|
|
179 }
|
|
|
180
|
|
|
181 static XtGeometryResult
|
|
2286
|
182 GeometryManager (Widget w, XtWidgetGeometry *request,
|
|
|
183 XtWidgetGeometry *UNUSED (reply))
|
|
428
|
184 {
|
|
|
185 /* Sure, any changes are fine. */
|
|
|
186
|
|
440
|
187 #ifdef LWLIB_MENUBARS_MOTIF
|
|
428
|
188 /* The Motif menubar will merrily request a new size every time a
|
|
|
189 child is added or deleted. Blow it off because it doesn't know
|
|
|
190 what it's talking about. */
|
|
440
|
191 if (XtClass (w) != xmRowColumnWidgetClass)
|
|
428
|
192 #endif /* LWLIB_MENUBARS_MOTIF */
|
|
|
193 {
|
|
440
|
194 if (request->request_mode & CWWidth) w->core.width = request->width;
|
|
|
195 if (request->request_mode & CWHeight) w->core.height = request->height;
|
|
428
|
196 }
|
|
440
|
197 if (request->request_mode & CWBorderWidth)
|
|
|
198 w->core.border_width = request->border_width;
|
|
|
199 if (request->request_mode & CWX) w->core.x = request->x;
|
|
|
200 if (request->request_mode & CWY) w->core.y = request->y;
|
|
428
|
201
|
|
|
202 return XtGeometryYes;
|
|
|
203 }
|
|
|
204
|
|
|
205 static void
|
|
|
206 ChangeManaged (Widget w)
|
|
|
207 {
|
|
|
208 if (!XtIsRealized (w))
|
|
|
209 {
|
|
440
|
210 XtWidgetGeometry request, reply;
|
|
428
|
211
|
|
|
212 /* find out how big we'd like to be ... */
|
|
|
213
|
|
440
|
214 request.request_mode = 0;
|
|
|
215 XtQueryGeometry (w, &request, &reply);
|
|
|
216 EmacsManagerChangeSize (w, reply.width, reply.height);
|
|
428
|
217 }
|
|
|
218 }
|
|
|
219
|
|
|
220 static void
|
|
|
221 Realize (Widget w, Mask *valueMask, XSetWindowAttributes *attributes)
|
|
|
222 {
|
|
|
223 attributes->bit_gravity = NorthWestGravity;
|
|
|
224 *valueMask |= CWBitGravity;
|
|
|
225
|
|
|
226 XtCreateWindow (w, (unsigned) InputOutput, (Visual *) CopyFromParent,
|
|
|
227 *valueMask, attributes);
|
|
|
228 }
|
|
|
229
|
|
|
230 static void
|
|
|
231 ClassInitialize (void)
|
|
|
232 {
|
|
|
233 return;
|
|
|
234 }
|
|
|
235
|
|
|
236 void
|
|
|
237 EmacsManagerChangeSize (Widget w, Dimension width, Dimension height)
|
|
|
238 {
|
|
|
239 if (width == 0)
|
|
|
240 width = w->core.width;
|
|
|
241 if (height == 0)
|
|
|
242 height = w->core.height;
|
|
|
243
|
|
3381
|
244 /* #### AFAICT this gets called in two places. One is in ChangeManaged(),
|
|
|
245 above. The other is in EmacsFrameResize(). Perhaps ChangeManaged()
|
|
|
246 should initiate resize requests, but EmacsFrameResize() should not.
|
|
|
247 Unfortunately, I've tried making this conditional on whether we're
|
|
|
248 called from EmacsFrameResize() or not, but that results in an infloop
|
|
|
249 via the callback to x_layout_widgets() in Resize(). Whee! */
|
|
428
|
250 /* do nothing if we're already that size */
|
|
|
251 if (w->core.width != width || w->core.height != height)
|
|
2450
|
252 {
|
|
|
253 XtGeometryResult result =
|
|
|
254 XtMakeResizeRequest (w, width, height, &w->core.width, &w->core.height);
|
|
|
255 if (result == XtGeometryNo)
|
|
|
256 return;
|
|
|
257 if (result == XtGeometryAlmost)
|
|
|
258 XtMakeResizeRequest (w, w->core.width, w->core.height, NULL, NULL);
|
|
|
259 Resize (w);
|
|
|
260 }
|
|
428
|
261 }
|
|
|
262
|
|
|
263
|
