HookObj.c revision a3bd7f05 
1/*
2
3Copyright 1994, 1998  The Open Group
4
5Permission to use, copy, modify, distribute, and sell this software and its
6documentation for any purpose is hereby granted without fee, provided that
7the above copyright notice appear in all copies and that both that
8copyright notice and this permission notice appear in supporting
9documentation.
10
11The above copyright notice and this permission notice shall be included in
12all copies or substantial portions of the Software.
13
14THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
17OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20
21Except as contained in this notice, the name of The Open Group shall not be
22used in advertising or otherwise to promote the sale, use or other dealings
23in this Software without prior written authorization from The Open Group.
24
25*/
26
27#ifdef HAVE_CONFIG_H
28#include <config.h>
29#endif
30#include "IntrinsicI.h"
31#include "StringDefs.h"
32/******************************************************************
33 *
34 * Hook Object Resources
35 *
36 ******************************************************************/
37
38/* *INDENT-OFF* */
39static XtResource resources[] = {
40  { XtNcreateHook, XtCCallback, XtRCallback, sizeof(XtPointer),
41    XtOffsetOf(HookObjRec, hooks.createhook_callbacks),
42    XtRCallback, (XtPointer)NULL},
43  { XtNchangeHook, XtCCallback, XtRCallback, sizeof(XtPointer),
44    XtOffsetOf(HookObjRec, hooks.changehook_callbacks),
45    XtRCallback, (XtPointer)NULL},
46  { XtNconfigureHook, XtCCallback, XtRCallback, sizeof(XtPointer),
47    XtOffsetOf(HookObjRec, hooks.confighook_callbacks),
48    XtRCallback, (XtPointer)NULL},
49  { XtNgeometryHook, XtCCallback, XtRCallback, sizeof(XtPointer),
50    XtOffsetOf(HookObjRec, hooks.geometryhook_callbacks),
51    XtRCallback, (XtPointer)NULL},
52  { XtNdestroyHook, XtCCallback, XtRCallback, sizeof(XtPointer),
53    XtOffsetOf(HookObjRec, hooks.destroyhook_callbacks),
54    XtRCallback, (XtPointer)NULL},
55  { XtNshells, XtCReadOnly, XtRWidgetList, sizeof(WidgetList),
56    XtOffsetOf(HookObjRec, hooks.shells), XtRImmediate, (XtPointer) NULL },
57  { XtNnumShells, XtCReadOnly, XtRCardinal, sizeof(Cardinal),
58    XtOffsetOf(HookObjRec, hooks.num_shells), XtRImmediate, (XtPointer) 0 }
59};
60/* *INDENT-ON* */
61
62static void GetValuesHook(Widget widget, ArgList args, Cardinal *num_args);
63static void Initialize(Widget req, Widget new, ArgList args,
64                       Cardinal *num_args);
65
66/* *INDENT-OFF* */
67externaldef(hookobjclassrec) HookObjClassRec hookObjClassRec = {
68  { /* Object Class Part */
69    /* superclass              */ (WidgetClass)&objectClassRec,
70    /* class_name              */ "Hook",
71    /* widget_size             */ sizeof(HookObjRec),
72    /* class_initialize        */ NULL,
73    /* class_part_initialize   */ NULL,
74    /* class_inited            */ FALSE,
75    /* initialize              */ Initialize,
76    /* initialize_hook         */ NULL,
77    /* realize                 */ NULL,
78    /* actions                 */ NULL,
79    /* num_actions             */ 0,
80    /* resources               */ resources,
81    /* num_resources           */ XtNumber(resources),
82    /* xrm_class               */ NULLQUARK,
83    /* compress_motion         */ FALSE,
84    /* compress_exposure       */ TRUE,
85    /* compress_enterleave     */ FALSE,
86    /* visible_interest        */ FALSE,
87    /* destroy                 */ NULL,
88    /* resize                  */ NULL,
89    /* expose                  */ NULL,
90    /* set_values              */ NULL,
91    /* set_values_hook         */ NULL,
92    /* set_values_almost       */ NULL,
93    /* get_values_hook         */ GetValuesHook,
94    /* accept_focus            */ NULL,
95    /* version                 */ XtVersion,
96    /* callback_offsets        */ NULL,
97    /* tm_table                */ NULL,
98    /* query_geometry          */ NULL,
99    /* display_accelerator     */ NULL,
100    /* extension               */ NULL
101  },
102  { /* HookObj Class Part */
103    /* unused               */  0
104  }
105};
106/* *INDENT-ON* */
107
108externaldef(hookObjectClass)
109WidgetClass hookObjectClass = (WidgetClass) &hookObjClassRec;
110
111static void
112FreeShellList(Widget w,
113              XtPointer closure _X_UNUSED,
114              XtPointer call_data _X_UNUSED)
115{
116    HookObject h = (HookObject) w;
117
118    if (h->hooks.shells != NULL)
119        XtFree((char *) h->hooks.shells);
120}
121
122static void
123Initialize(Widget req _X_UNUSED,
124           Widget new,
125           ArgList args _X_UNUSED,
126           Cardinal *num_args _X_UNUSED)
127{
128    HookObject w = (HookObject) new;
129
130    w->hooks.max_shells = 0;
131    XtAddCallback(new, XtNdestroyCallback, FreeShellList, (XtPointer) NULL);
132}
133
134static void
135GetValuesHook(Widget widget _X_UNUSED,
136              ArgList args _X_UNUSED,
137              Cardinal *num_args _X_UNUSED)
138{
139    /* get the XtNshells and XtNnumShells pseudo-resources */
140}
141