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comparison lwlib/lwlib-internal.h @ 0:376386a54a3c r19-14

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Import from CVS: tag r19-14
author cvs
date Mon, 13 Aug 2007 08:45:50 +0200
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children ac2d302a0011
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-1:000000000000 0:376386a54a3c
1 #ifndef LWLIB_INTERNAL_H
2 #define LWLIB_INTERNAL_H
3
4 #include "lwlib.h"
5
6 /* This represents a single widget within a widget tree. All the
7 widgets in a widget tree are chained through the `next' field.
8 `info' is a back pointer to the widget tree. */
9
10 typedef struct _widget_instance
11 {
12 Widget widget;
13 Widget parent;
14 Boolean pop_up_p;
15 struct _widget_info* info;
16 struct _widget_instance* next;
17 } widget_instance;
18
19 /* This represents a single widget tree, such as a single menubar.
20 The global variable `all_widget_info' lists all widget trees,
21 chained through the `next' field of this structure. */
22
23 typedef struct _widget_info
24 {
25 char* type;
26 char* name;
27 LWLIB_ID id;
28 widget_value* val;
29 Boolean busy;
30 lw_callback pre_activate_cb;
31 lw_callback selection_cb;
32 lw_callback post_activate_cb;
33 struct _widget_instance* instances;
34 struct _widget_info* next;
35 } widget_info;
36
37 typedef Widget
38 (*widget_creation_function) (widget_instance* instance);
39
40 typedef struct _widget_creation_entry
41 {
42 char* type;
43 widget_creation_function function;
44 } widget_creation_entry;
45
46 /* update all other instances of a widget. Can be used in a callback when
47 a wiget has been used by the user */
48 void
49 lw_internal_update_other_instances (Widget widget, XtPointer closure,
50 XtPointer call_data);
51
52 /* get the widget_value for a widget in a given instance */
53 widget_value*
54 lw_get_widget_value_for_widget (widget_instance* instance, Widget w);
55
56 widget_info *lw_get_widget_info (LWLIB_ID id);
57
58 #endif /* LWLIB_INTERNAL_H */
59