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07bf635f RS |
1 | /* The lwlib interface to "xlwmenu" menus. |
2 | Copyright (C) 1992 Lucid, Inc. | |
e226063c | 3 | Copyright (C) 1994, 2000, 2001 Free Software Foundation, Inc. |
07bf635f RS |
4 | |
5 | This file is part of the Lucid Widget Library. | |
6 | ||
177c0ea7 | 7 | The Lucid Widget Library is free software; you can redistribute it and/or |
07bf635f RS |
8 | modify it under the terms of the GNU General Public License as published by |
9 | the Free Software Foundation; either version 1, or (at your option) | |
10 | any later version. | |
11 | ||
12 | The Lucid Widget Library is distributed in the hope that it will be useful, | |
177c0ea7 | 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
07bf635f RS |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU Emacs; see the file COPYING. If not, write to | |
3b7ad313 EN |
19 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
20 | Boston, MA 02111-1307, USA. */ | |
07bf635f | 21 | |
0f0912e6 PE |
22 | #ifdef HAVE_CONFIG_H |
23 | #include <config.h> | |
24 | #endif | |
25 | ||
e226063c | 26 | #include "lisp.h" |
2f96293d | 27 | |
07bf635f RS |
28 | #include "lwlib-Xlw.h" |
29 | #include <X11/StringDefs.h> | |
30 | #include <X11/IntrinsicP.h> | |
31 | #include <X11/ObjectP.h> | |
32 | #include <X11/CompositeP.h> | |
33 | #include <X11/Shell.h> | |
34 | #include "xlwmenu.h" | |
35 | ||
d3a785ff GM |
36 | #if 0 |
37 | ||
38 | #include <stdio.h> | |
39 | ||
40 | /* Print the complete X resource name of widget WIDGET to stderr. | |
41 | This is sometimes handy to have available. */ | |
42 | ||
43 | void | |
44 | x_print_complete_resource_name (widget) | |
45 | Widget widget; | |
46 | { | |
47 | int i; | |
48 | String names[100]; | |
49 | ||
50 | for (i = 0; i < 100 && widget != NULL; ++i) | |
51 | { | |
52 | names[i] = XtName (widget); | |
53 | widget = XtParent (widget); | |
54 | } | |
55 | ||
56 | for (--i; i >= 1; --i) | |
57 | fprintf (stderr, "%s.", names[i]); | |
58 | fprintf (stderr, "%s\n", names[0]); | |
59 | } | |
60 | ||
61 | #endif /* 0 */ | |
62 | ||
63 | ||
07bf635f | 64 | \f/* Menu callbacks */ |
fa616ec4 GM |
65 | |
66 | /* Callback XtNhighlightCallback for Lucid menus. W is the menu | |
67 | widget, CLIENT_DATA contains a pointer to the widget_instance | |
68 | for the menu, CALL_DATA contains a pointer to the widget_value | |
69 | structure for the highlighted menu item. The latter may be null | |
70 | if there isn't any highlighted menu item. */ | |
71 | ||
72 | static void | |
73 | highlight_hook (w, client_data, call_data) | |
74 | Widget w; | |
75 | XtPointer client_data; | |
76 | XtPointer call_data; | |
77 | { | |
78 | widget_instance *instance = (widget_instance *) client_data; | |
79 | ||
80 | if (instance->info->highlight_cb | |
81 | && !w->core.being_destroyed) | |
82 | instance->info->highlight_cb (w, instance->info->id, call_data); | |
83 | } | |
84 | ||
07bf635f | 85 | static void |
345a94f9 RS |
86 | pre_hook (w, client_data, call_data) |
87 | Widget w; | |
88 | XtPointer client_data; | |
89 | XtPointer call_data; | |
07bf635f RS |
90 | { |
91 | widget_instance* instance = (widget_instance*)client_data; | |
92 | widget_value* val; | |
93 | ||
94 | if (w->core.being_destroyed) | |
95 | return; | |
96 | ||
97 | val = lw_get_widget_value_for_widget (instance, w); | |
98 | if (instance->info->pre_activate_cb) | |
99 | instance->info->pre_activate_cb (w, instance->info->id, | |
100 | val ? val->call_data : NULL); | |
101 | } | |
102 | ||
103 | static void | |
345a94f9 RS |
104 | pick_hook (w, client_data, call_data) |
105 | Widget w; | |
106 | XtPointer client_data; | |
107 | XtPointer call_data; | |
07bf635f RS |
108 | { |
109 | widget_instance* instance = (widget_instance*)client_data; | |
110 | widget_value* contents_val = (widget_value*)call_data; | |
111 | widget_value* widget_val; | |
112 | XtPointer widget_arg; | |
113 | ||
114 | if (w->core.being_destroyed) | |
115 | return; | |
116 | ||
117 | if (instance->info->selection_cb && contents_val && contents_val->enabled | |
118 | && !contents_val->contents) | |
119 | instance->info->selection_cb (w, instance->info->id, | |
120 | contents_val->call_data); | |
121 | ||
122 | widget_val = lw_get_widget_value_for_widget (instance, w); | |
123 | widget_arg = widget_val ? widget_val->call_data : NULL; | |
124 | if (instance->info->post_activate_cb) | |
125 | instance->info->post_activate_cb (w, instance->info->id, widget_arg); | |
126 | ||
127 | } | |
128 | ||
129 | \f/* creation functions */ | |
0b96f00b | 130 | |
07bf635f | 131 | static Widget |
345a94f9 RS |
132 | xlw_create_menubar (instance) |
133 | widget_instance* instance; | |
07bf635f | 134 | { |
9acc68b1 | 135 | Widget widget; |
5acc1a62 | 136 | Arg al[5]; |
c52de5eb | 137 | int ac = 0; |
9acc68b1 | 138 | |
c52de5eb | 139 | XtSetArg (al[ac], XtNmenu, instance->info->val); ac++; |
5acc1a62 PR |
140 | #ifdef emacs |
141 | XtSetArg (al[ac], XtNshowGrip, 0); ac++; | |
142 | XtSetArg (al[ac], XtNresizeToPreferred, 1); ac++; | |
143 | XtSetArg (al[ac], XtNallowResize, 1); ac++; | |
144 | #endif | |
9acc68b1 | 145 | |
c52de5eb RS |
146 | /* This used to use XtVaCreateWidget, but an old Xt version |
147 | has a bug in XtVaCreateWidget that frees instance->info->name. */ | |
364e6904 | 148 | widget |
c52de5eb RS |
149 | = XtCreateWidget (instance->info->name, xlwMenuWidgetClass, |
150 | instance->parent, al, ac); | |
19240c20 | 151 | |
07bf635f RS |
152 | XtAddCallback (widget, XtNopen, pre_hook, (XtPointer)instance); |
153 | XtAddCallback (widget, XtNselect, pick_hook, (XtPointer)instance); | |
fa616ec4 GM |
154 | XtAddCallback (widget, XtNhighlightCallback, highlight_hook, |
155 | (XtPointer)instance); | |
07bf635f RS |
156 | return widget; |
157 | } | |
158 | ||
159 | static Widget | |
345a94f9 RS |
160 | xlw_create_popup_menu (instance) |
161 | widget_instance* instance; | |
07bf635f | 162 | { |
364e6904 RS |
163 | Widget popup_shell |
164 | = XtCreatePopupShell (instance->info->name, overrideShellWidgetClass, | |
165 | instance->parent, NULL, 0); | |
177c0ea7 | 166 | |
19240c20 | 167 | Widget widget; |
c52de5eb RS |
168 | Arg al[2]; |
169 | int ac = 0; | |
19240c20 | 170 | |
c52de5eb RS |
171 | XtSetArg (al[ac], XtNmenu, instance->info->val); ac++; |
172 | XtSetArg (al[ac], XtNhorizontal, False); ac++; | |
19240c20 | 173 | |
c52de5eb RS |
174 | /* This used to use XtVaManagedCreateWidget, but an old Xt version |
175 | has a bug in XtVaManagedCreateWidget that frees instance->info->name. */ | |
364e6904 | 176 | widget |
c52de5eb RS |
177 | = XtCreateManagedWidget ("popup", xlwMenuWidgetClass, |
178 | popup_shell, al, ac); | |
19240c20 | 179 | |
07bf635f | 180 | XtAddCallback (widget, XtNselect, pick_hook, (XtPointer)instance); |
fa616ec4 GM |
181 | XtAddCallback (widget, XtNhighlightCallback, highlight_hook, |
182 | (XtPointer)instance); | |
6b61353c | 183 | |
07bf635f RS |
184 | return popup_shell; |
185 | } | |
186 | ||
177c0ea7 | 187 | widget_creation_entry |
07bf635f RS |
188 | xlw_creation_table [] = |
189 | { | |
190 | {"menubar", xlw_create_menubar}, | |
191 | {"popup", xlw_create_popup_menu}, | |
192 | {NULL, NULL} | |
193 | }; | |
194 | ||
195 | Boolean | |
345a94f9 RS |
196 | lw_lucid_widget_p (widget) |
197 | Widget widget; | |
07bf635f RS |
198 | { |
199 | WidgetClass the_class = XtClass (widget); | |
364e6904 | 200 | |
07bf635f RS |
201 | if (the_class == xlwMenuWidgetClass) |
202 | return True; | |
203 | if (the_class == overrideShellWidgetClass) | |
364e6904 RS |
204 | return (XtClass (((CompositeWidget)widget)->composite.children [0]) |
205 | == xlwMenuWidgetClass); | |
07bf635f RS |
206 | return False; |
207 | } | |
208 | ||
209 | void | |
e226063c DL |
210 | #ifdef PROTOTYPES |
211 | xlw_update_one_widget (widget_instance* instance, Widget widget, | |
212 | widget_value* val, Boolean deep_p) | |
213 | #else | |
345a94f9 RS |
214 | xlw_update_one_widget (instance, widget, val, deep_p) |
215 | widget_instance* instance; | |
216 | Widget widget; | |
217 | widget_value* val; | |
218 | Boolean deep_p; | |
e226063c | 219 | #endif |
07bf635f | 220 | { |
c52de5eb | 221 | Arg al[1]; |
07bf635f | 222 | |
c52de5eb RS |
223 | /* This used to use XtVaSetValues, but some old Xt versions |
224 | that have a bug in XtVaCreateWidget might have it here too. */ | |
225 | XtSetArg (al[0], XtNmenu, instance->info->val); | |
226 | ||
227 | XtSetValues (widget, al, 1); | |
07bf635f RS |
228 | } |
229 | ||
230 | void | |
345a94f9 RS |
231 | xlw_update_one_value (instance, widget, val) |
232 | widget_instance* instance; | |
233 | Widget widget; | |
234 | widget_value* val; | |
07bf635f RS |
235 | { |
236 | return; | |
237 | } | |
238 | ||
239 | void | |
e226063c DL |
240 | #ifdef PROTOTYPES |
241 | xlw_pop_instance (widget_instance* instance, Boolean up) | |
242 | #else | |
345a94f9 RS |
243 | xlw_pop_instance (instance, up) |
244 | widget_instance* instance; | |
245 | Boolean up; | |
e226063c | 246 | #endif |
07bf635f RS |
247 | { |
248 | } | |
249 | ||
250 | void | |
0c7c510c | 251 | xlw_popup_menu (widget, event) |
345a94f9 | 252 | Widget widget; |
0c7c510c | 253 | XEvent *event; |
07bf635f | 254 | { |
07bf635f RS |
255 | XlwMenuWidget mw; |
256 | ||
257 | if (!XtIsShell (widget)) | |
258 | return; | |
259 | ||
260 | mw = (XlwMenuWidget)((CompositeWidget)widget)->composite.children [0]; | |
261 | ||
0c7c510c | 262 | if (event) |
6b61353c | 263 | XtCallActionProc ((Widget) mw, "start", event, NULL, 0); |
0c7c510c RS |
264 | else |
265 | { | |
6b61353c KH |
266 | XEvent dummy; |
267 | XButtonPressedEvent *bd = &dummy.xbutton; | |
268 | ||
269 | bd->type = ButtonPress; | |
270 | bd->serial = 0; | |
271 | bd->send_event = 0; | |
272 | bd->display = XtDisplay (widget); | |
273 | bd->window = XtWindow (XtParent (widget)); | |
274 | bd->time = CurrentTime; | |
275 | bd->button = 0; | |
276 | XQueryPointer (bd->display, bd->window, &bd->root, | |
277 | &bd->subwindow, &bd->x_root, &bd->y_root, | |
278 | &bd->x, &bd->y, &bd->state); | |
279 | ||
280 | XtCallActionProc ((Widget) mw, "start", &dummy, NULL, 0); | |
0c7c510c | 281 | } |
07bf635f RS |
282 | } |
283 | ||
284 | \f/* Destruction of instances */ | |
285 | void | |
345a94f9 RS |
286 | xlw_destroy_instance (instance) |
287 | widget_instance* instance; | |
07bf635f RS |
288 | { |
289 | if (instance->widget) | |
290 | XtDestroyWidget (instance->widget); | |
291 | } | |
292 | ||
6b61353c KH |
293 | /* arch-tag: 541e3912-477d-406e-9bf2-dbf2b7ff8c3b |
294 | (do not change this comment) */ |