|
440
|
1 #ifndef INCLUDED_lwlib_h_
|
|
|
2 #define INCLUDED_lwlib_h_
|
|
428
|
3
|
|
|
4 #undef CONST
|
|
|
5
|
|
|
6 #include <X11/Intrinsic.h>
|
|
|
7
|
|
|
8 /* To eliminate use of `const' in the lwlib sources, define CONST_IS_LOSING. */
|
|
|
9 #ifdef CONST_IS_LOSING
|
|
|
10 # define CONST
|
|
|
11 #else
|
|
|
12 # define CONST const
|
|
|
13 #endif
|
|
|
14
|
|
|
15 #if defined (LWLIB_MENUBARS_LUCID) || defined (LWLIB_MENUBARS_MOTIF) || defined (LWLIB_MENUBARS_ATHENA)
|
|
|
16 #define NEED_MENUBARS
|
|
|
17 #endif
|
|
|
18 #if defined (LWLIB_SCROLLBARS_LUCID) || defined (LWLIB_SCROLLBARS_MOTIF) || defined (LWLIB_SCROLLBARS_ATHENA)
|
|
|
19 #define NEED_SCROLLBARS
|
|
|
20 #endif
|
|
|
21 #if defined (LWLIB_DIALOGS_LUCID) || defined (LWLIB_DIALOGS_MOTIF) || defined (LWLIB_DIALOGS_ATHENA)
|
|
|
22 #define NEED_DIALOGS
|
|
|
23 #endif
|
|
|
24
|
|
|
25 /*
|
|
|
26 ** Widget values depend on the Widget type:
|
|
|
27 **
|
|
|
28 ** widget: (name value key enabled data contents/selected)
|
|
|
29 **
|
|
|
30 ** label: ("name" "string" NULL NULL NULL NULL)
|
|
|
31 ** BUTTON: ("name" "string" "key" T/F data <default-button-p>)
|
|
|
32 ** CASCADE (button w/menu):
|
|
|
33 ** ("name" "string" "key" T/F data (label|button|button w/menu...))
|
|
|
34 ** INCREMENTAL (button w/menu construction callback):
|
|
|
35 ** ("name" "string" NULL T/F <opaque pointer>)
|
|
|
36 ** menubar: ("name" NULL NULL T/F data (button w/menu))
|
|
|
37 ** scrollbar:("name" NULL NULL T/F NULL NULL)
|
|
|
38 ** selectable thing:
|
|
|
39 ** ("name" "string" "key" T/F data T/F)
|
|
|
40 ** checkbox: selectable thing
|
|
|
41 ** radio: ("name" NULL NULL T/F data (selectable thing...))
|
|
|
42 ** strings: ("name" NULL NULL T/F data (selectable thing...))
|
|
|
43 ** TEXT: ("name" "string" <ign> T/F data)
|
|
|
44 **
|
|
|
45 ** Note that the above is EXTREMELY bogus. The "type" of the various entities
|
|
|
46 ** that a widget_value structure can represent is implicit in the contents of
|
|
|
47 ** half a dozen slots, instead of there simply being a type field. This
|
|
|
48 ** should all be rethunk. I've added a type field, but for now it's only used
|
|
|
49 ** by the new xlwmenu code.
|
|
|
50 */
|
|
|
51
|
|
|
52 typedef unsigned long LWLIB_ID;
|
|
|
53
|
|
|
54 typedef enum _change_type
|
|
|
55 {
|
|
|
56 NO_CHANGE = 0,
|
|
|
57 INVISIBLE_CHANGE = 1,
|
|
|
58 VISIBLE_CHANGE = 2,
|
|
|
59 STRUCTURAL_CHANGE = 3
|
|
|
60 } change_type;
|
|
|
61
|
|
|
62 typedef enum _widget_value_type
|
|
|
63 {
|
|
|
64 UNSPECIFIED_TYPE = 0,
|
|
|
65 BUTTON_TYPE = 1,
|
|
|
66 TOGGLE_TYPE = 2,
|
|
|
67 RADIO_TYPE = 3,
|
|
|
68 TEXT_TYPE = 4,
|
|
|
69 SEPARATOR_TYPE = 5,
|
|
|
70 CASCADE_TYPE = 6,
|
|
|
71 PUSHRIGHT_TYPE = 7,
|
|
|
72 INCREMENTAL_TYPE = 8
|
|
|
73 } widget_value_type;
|
|
|
74
|
|
|
75 typedef enum _scroll_action
|
|
|
76 {
|
|
|
77 SCROLLBAR_LINE_UP = 0,
|
|
|
78 SCROLLBAR_LINE_DOWN = 1,
|
|
|
79 SCROLLBAR_PAGE_UP = 2,
|
|
|
80 SCROLLBAR_PAGE_DOWN = 3,
|
|
|
81 SCROLLBAR_DRAG = 4,
|
|
|
82 SCROLLBAR_CHANGE = 5,
|
|
|
83 SCROLLBAR_TOP = 6,
|
|
|
84 SCROLLBAR_BOTTOM = 7
|
|
|
85 } scroll_action;
|
|
|
86
|
|
|
87 typedef struct _scroll_event
|
|
|
88 {
|
|
|
89 scroll_action action;
|
|
|
90 int slider_value;
|
|
|
91 Time time;
|
|
|
92 } scroll_event;
|
|
|
93
|
|
|
94 typedef struct _scrollbar_values
|
|
|
95 {
|
|
|
96 int line_increment;
|
|
|
97 int page_increment;
|
|
|
98
|
|
|
99 int minimum;
|
|
|
100 int maximum;
|
|
|
101
|
|
|
102 int slider_size;
|
|
|
103 int slider_position;
|
|
|
104
|
|
|
105 int scrollbar_width, scrollbar_height;
|
|
|
106 int scrollbar_x, scrollbar_y;
|
|
|
107 } scrollbar_values;
|
|
|
108
|
|
434
|
109 typedef struct _widget_args
|
|
|
110 {
|
|
|
111 /* some things are only possible at creation time. args are applied
|
|
|
112 to widgets at creation time. */
|
|
|
113 ArgList args;
|
|
|
114 int nargs;
|
|
|
115 /* Copying args is impossible so we make the caller give us heap allocated
|
|
|
116 args and free them when on-one wants them any more. */
|
|
|
117 int ref_count;
|
|
|
118 } widget_args;
|
|
|
119
|
|
428
|
120 typedef struct _widget_value
|
|
|
121 {
|
|
|
122 /* This slot is only partially utilized right now. */
|
|
|
123 widget_value_type type;
|
|
|
124
|
|
|
125 /* name of widget */
|
|
|
126 char* name;
|
|
|
127 /* value (meaning BOGUSLY depend on widget type) */
|
|
|
128 char* value;
|
|
|
129 /* keyboard equivalent. no implications for XtTranslations */
|
|
|
130 char* key;
|
|
|
131 /* accelerator key. For XEmacs, this should be a Lisp_Object holding a
|
|
|
132 char or symbol suitable for passing to event_matches_key_specifier_p.
|
|
|
133 Outside of emacs, this can be anything: an X KeySym is a good idea.
|
|
|
134 lwlib provides support functions for keyboard traversal of menus. Actual
|
|
|
135 implementation of those accelerators is up to the application.
|
|
|
136 */
|
|
|
137 XtPointer accel;
|
|
|
138 /* true if enabled */
|
|
|
139 Boolean enabled;
|
|
|
140 /* true if selected */
|
|
|
141 Boolean selected;
|
|
|
142 /* true if was edited (maintained by get_value) */
|
|
|
143 Boolean edited;
|
|
|
144 /* true if has changed (maintained by lw library) */
|
|
|
145 change_type change;
|
|
|
146 /* Contents of the sub-widgets, also selected slot for checkbox */
|
|
|
147 struct _widget_value* contents;
|
|
|
148 /* data passed to callback */
|
|
|
149 XtPointer call_data;
|
|
|
150 /* next one in the list */
|
|
|
151 struct _widget_value* next;
|
|
|
152 /* slot for the toolkit dependent part. Always initialize to NULL. */
|
|
|
153 void* toolkit_data;
|
|
|
154 /* tell us if we should free the toolkit data slot when freeing the
|
|
|
155 widget_value itself. */
|
|
|
156 Boolean free_toolkit_data;
|
|
|
157
|
|
|
158 /* data defining a scrollbar; only valid if type == "scrollbar" */
|
|
|
159 scrollbar_values *scrollbar_data;
|
|
|
160
|
|
434
|
161 /* A reference counted arg structure. */
|
|
|
162 struct _widget_args *args;
|
|
428
|
163 /* we resource the widget_value structures; this points to the next
|
|
|
164 one on the free list if this one has been deallocated. */
|
|
|
165 struct _widget_value *free_list;
|
|
|
166
|
|
|
167 } widget_value;
|
|
|
168
|
|
|
169
|
|
|
170 typedef void (*lw_callback) (Widget w, LWLIB_ID id, XtPointer data);
|
|
|
171
|
|
|
172 /* menu stuff */
|
|
|
173 /* maybe this should go into a generic lwmenu.h */
|
|
|
174
|
|
|
175 extern int lw_menu_active;
|
|
|
176
|
|
|
177 #if defined (LWLIB_MENUBARS_LUCID)
|
|
|
178 #include "xlwmenu.h"
|
|
|
179 #define lw_set_menu xlw_set_menu
|
|
|
180 #define lw_push_menu xlw_push_menu
|
|
|
181 #define lw_pop_menu xlw_pop_menu
|
|
|
182 #define lw_set_item xlw_set_item
|
|
|
183 #define lw_map_menu xlw_map_menu
|
|
|
184 #define lw_display_menu xlw_display_menu
|
|
|
185 #define lw_kill_menus xlw_kill_menus
|
|
|
186 #define lw_get_entries xlw_get_entries
|
|
|
187 #define lw_menu_level xlw_menu_level
|
|
|
188 #else /* LWLIB_MENUBARS_LUCID */
|
|
|
189 /* do this for the other toolkits too */
|
|
|
190 #endif /* LWLIB_MENUBARS_LUCID */
|
|
|
191
|
|
|
192 #if defined (LWLIB_TABS_LUCID)
|
|
|
193 #include "xlwtabs.h"
|
|
|
194 #endif
|
|
|
195
|
|
|
196 void lw_register_widget (CONST char* type, CONST char* name, LWLIB_ID id,
|
|
|
197 widget_value* val, lw_callback pre_activate_cb,
|
|
|
198 lw_callback selection_cb,
|
|
|
199 lw_callback post_activate_cb);
|
|
|
200 Widget lw_get_widget (LWLIB_ID id, Widget parent, Boolean pop_up_p);
|
|
|
201 Widget lw_make_widget (LWLIB_ID id, Widget parent, Boolean pop_up_p);
|
|
|
202 Widget lw_create_widget (CONST char* type, CONST char* name, LWLIB_ID id,
|
|
|
203 widget_value* val, Widget parent, Boolean pop_up_p,
|
|
|
204 lw_callback pre_activate_cb,
|
|
|
205 lw_callback selection_cb,
|
|
|
206 lw_callback post_activate_cb);
|
|
|
207 LWLIB_ID lw_get_widget_id (Widget w);
|
|
|
208 int lw_map_widget_values (LWLIB_ID id, int (*mapfunc) (widget_value *value,
|
|
|
209 void *closure),
|
|
|
210 void *closure);
|
|
|
211 void lw_modify_all_widgets (LWLIB_ID id, widget_value* val, Boolean deep_p);
|
|
|
212 void lw_destroy_widget (Widget w);
|
|
|
213 void lw_destroy_all_widgets (LWLIB_ID id);
|
|
|
214 void lw_destroy_everything (void);
|
|
|
215 void lw_destroy_all_pop_ups (void);
|
|
|
216 Widget lw_raise_all_pop_up_widgets (void);
|
|
|
217 widget_value* lw_get_all_values (LWLIB_ID id);
|
|
|
218 Boolean lw_get_some_values (LWLIB_ID id, widget_value* val);
|
|
|
219 void lw_pop_up_all_widgets (LWLIB_ID id);
|
|
|
220 void lw_pop_down_all_widgets (LWLIB_ID id);
|
|
|
221 void lw_add_value_args_to_args (widget_value* wv, ArgList addto, int* offset);
|
|
434
|
222 void lw_add_widget_value_arg (widget_value* wv, String name, XtArgVal value);
|
|
|
223 void lw_copy_widget_value_args (widget_value* copy, widget_value* val);
|
|
428
|
224
|
|
|
225 widget_value *malloc_widget_value (void);
|
|
|
226 void free_widget_value (widget_value *);
|
|
|
227 void free_widget_value_tree (widget_value *wv);
|
|
|
228 widget_value *replace_widget_value_tree (widget_value*, widget_value*);
|
|
|
229
|
|
|
230 void lw_popup_menu (Widget, XEvent *);
|
|
|
231
|
|
|
232 /* Toolkit independent way of focusing on a Widget at the Xt level. */
|
|
|
233 void lw_set_keyboard_focus (Widget parent, Widget w);
|
|
|
234
|
|
|
235 /* Silly Energize hack to invert the "sheet" button */
|
|
|
236 void lw_show_busy (Widget w, Boolean busy);
|
|
|
237
|
|
440
|
238 #endif /* INCLUDED_lwlib_h_ */
|
