Commit | Line | Data |
---|---|---|
07bf635f RS |
1 | /* The lwlib interface to "xlwmenu" menus. |
2 | Copyright (C) 1992 Lucid, Inc. | |
3 | ||
4 | This file is part of the Lucid Widget Library. | |
5 | ||
6 | The Lucid Widget Library is free software; you can redistribute it and/or | |
7 | modify it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 1, or (at your option) | |
9 | any later version. | |
10 | ||
11 | The Lucid Widget Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
3b7ad313 EN |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
19 | Boston, MA 02111-1307, USA. */ | |
07bf635f RS |
20 | |
21 | #include "lwlib-Xlw.h" | |
22 | #include <X11/StringDefs.h> | |
23 | #include <X11/IntrinsicP.h> | |
24 | #include <X11/ObjectP.h> | |
25 | #include <X11/CompositeP.h> | |
26 | #include <X11/Shell.h> | |
27 | #include "xlwmenu.h" | |
28 | ||
29 | \f/* Menu callbacks */ | |
30 | static void | |
345a94f9 RS |
31 | pre_hook (w, client_data, call_data) |
32 | Widget w; | |
33 | XtPointer client_data; | |
34 | XtPointer call_data; | |
07bf635f RS |
35 | { |
36 | widget_instance* instance = (widget_instance*)client_data; | |
37 | widget_value* val; | |
38 | ||
39 | if (w->core.being_destroyed) | |
40 | return; | |
41 | ||
42 | val = lw_get_widget_value_for_widget (instance, w); | |
43 | if (instance->info->pre_activate_cb) | |
44 | instance->info->pre_activate_cb (w, instance->info->id, | |
45 | val ? val->call_data : NULL); | |
46 | } | |
47 | ||
48 | static void | |
345a94f9 RS |
49 | pick_hook (w, client_data, call_data) |
50 | Widget w; | |
51 | XtPointer client_data; | |
52 | XtPointer call_data; | |
07bf635f RS |
53 | { |
54 | widget_instance* instance = (widget_instance*)client_data; | |
55 | widget_value* contents_val = (widget_value*)call_data; | |
56 | widget_value* widget_val; | |
57 | XtPointer widget_arg; | |
58 | ||
59 | if (w->core.being_destroyed) | |
60 | return; | |
61 | ||
62 | if (instance->info->selection_cb && contents_val && contents_val->enabled | |
63 | && !contents_val->contents) | |
64 | instance->info->selection_cb (w, instance->info->id, | |
65 | contents_val->call_data); | |
66 | ||
67 | widget_val = lw_get_widget_value_for_widget (instance, w); | |
68 | widget_arg = widget_val ? widget_val->call_data : NULL; | |
69 | if (instance->info->post_activate_cb) | |
70 | instance->info->post_activate_cb (w, instance->info->id, widget_arg); | |
71 | ||
72 | } | |
73 | ||
74 | \f/* creation functions */ | |
0b96f00b | 75 | |
07bf635f | 76 | static Widget |
345a94f9 RS |
77 | xlw_create_menubar (instance) |
78 | widget_instance* instance; | |
07bf635f | 79 | { |
9acc68b1 | 80 | Widget widget; |
5acc1a62 | 81 | Arg al[5]; |
c52de5eb | 82 | int ac = 0; |
9acc68b1 | 83 | |
c52de5eb | 84 | XtSetArg (al[ac], XtNmenu, instance->info->val); ac++; |
5acc1a62 PR |
85 | #ifdef emacs |
86 | XtSetArg (al[ac], XtNshowGrip, 0); ac++; | |
87 | XtSetArg (al[ac], XtNresizeToPreferred, 1); ac++; | |
88 | XtSetArg (al[ac], XtNallowResize, 1); ac++; | |
89 | #endif | |
9acc68b1 | 90 | |
c52de5eb RS |
91 | /* This used to use XtVaCreateWidget, but an old Xt version |
92 | has a bug in XtVaCreateWidget that frees instance->info->name. */ | |
364e6904 | 93 | widget |
c52de5eb RS |
94 | = XtCreateWidget (instance->info->name, xlwMenuWidgetClass, |
95 | instance->parent, al, ac); | |
19240c20 | 96 | |
07bf635f RS |
97 | XtAddCallback (widget, XtNopen, pre_hook, (XtPointer)instance); |
98 | XtAddCallback (widget, XtNselect, pick_hook, (XtPointer)instance); | |
99 | return widget; | |
100 | } | |
101 | ||
102 | static Widget | |
345a94f9 RS |
103 | xlw_create_popup_menu (instance) |
104 | widget_instance* instance; | |
07bf635f | 105 | { |
364e6904 RS |
106 | Widget popup_shell |
107 | = XtCreatePopupShell (instance->info->name, overrideShellWidgetClass, | |
108 | instance->parent, NULL, 0); | |
07bf635f | 109 | |
19240c20 | 110 | Widget widget; |
c52de5eb RS |
111 | Arg al[2]; |
112 | int ac = 0; | |
19240c20 | 113 | |
c52de5eb RS |
114 | XtSetArg (al[ac], XtNmenu, instance->info->val); ac++; |
115 | XtSetArg (al[ac], XtNhorizontal, False); ac++; | |
19240c20 | 116 | |
c52de5eb RS |
117 | /* This used to use XtVaManagedCreateWidget, but an old Xt version |
118 | has a bug in XtVaManagedCreateWidget that frees instance->info->name. */ | |
364e6904 | 119 | widget |
c52de5eb RS |
120 | = XtCreateManagedWidget ("popup", xlwMenuWidgetClass, |
121 | popup_shell, al, ac); | |
19240c20 | 122 | |
07bf635f RS |
123 | XtAddCallback (widget, XtNselect, pick_hook, (XtPointer)instance); |
124 | ||
125 | return popup_shell; | |
126 | } | |
127 | ||
128 | widget_creation_entry | |
129 | xlw_creation_table [] = | |
130 | { | |
131 | {"menubar", xlw_create_menubar}, | |
132 | {"popup", xlw_create_popup_menu}, | |
133 | {NULL, NULL} | |
134 | }; | |
135 | ||
136 | Boolean | |
345a94f9 RS |
137 | lw_lucid_widget_p (widget) |
138 | Widget widget; | |
07bf635f RS |
139 | { |
140 | WidgetClass the_class = XtClass (widget); | |
364e6904 | 141 | |
07bf635f RS |
142 | if (the_class == xlwMenuWidgetClass) |
143 | return True; | |
144 | if (the_class == overrideShellWidgetClass) | |
364e6904 RS |
145 | return (XtClass (((CompositeWidget)widget)->composite.children [0]) |
146 | == xlwMenuWidgetClass); | |
07bf635f RS |
147 | return False; |
148 | } | |
149 | ||
150 | void | |
345a94f9 RS |
151 | xlw_update_one_widget (instance, widget, val, deep_p) |
152 | widget_instance* instance; | |
153 | Widget widget; | |
154 | widget_value* val; | |
155 | Boolean deep_p; | |
07bf635f RS |
156 | { |
157 | XlwMenuWidget mw; | |
c52de5eb | 158 | Arg al[1]; |
07bf635f RS |
159 | |
160 | if (XtIsShell (widget)) | |
161 | mw = (XlwMenuWidget)((CompositeWidget)widget)->composite.children [0]; | |
162 | else | |
163 | mw = (XlwMenuWidget)widget; | |
c52de5eb RS |
164 | |
165 | /* This used to use XtVaSetValues, but some old Xt versions | |
166 | that have a bug in XtVaCreateWidget might have it here too. */ | |
167 | XtSetArg (al[0], XtNmenu, instance->info->val); | |
168 | ||
169 | XtSetValues (widget, al, 1); | |
07bf635f RS |
170 | } |
171 | ||
172 | void | |
345a94f9 RS |
173 | xlw_update_one_value (instance, widget, val) |
174 | widget_instance* instance; | |
175 | Widget widget; | |
176 | widget_value* val; | |
07bf635f RS |
177 | { |
178 | return; | |
179 | } | |
180 | ||
181 | void | |
345a94f9 RS |
182 | xlw_pop_instance (instance, up) |
183 | widget_instance* instance; | |
184 | Boolean up; | |
07bf635f RS |
185 | { |
186 | } | |
187 | ||
188 | void | |
0c7c510c | 189 | xlw_popup_menu (widget, event) |
345a94f9 | 190 | Widget widget; |
0c7c510c | 191 | XEvent *event; |
07bf635f RS |
192 | { |
193 | XButtonPressedEvent dummy; | |
194 | XlwMenuWidget mw; | |
195 | ||
196 | if (!XtIsShell (widget)) | |
197 | return; | |
198 | ||
199 | mw = (XlwMenuWidget)((CompositeWidget)widget)->composite.children [0]; | |
200 | ||
0c7c510c RS |
201 | if (event) |
202 | pop_up_menu (mw, event); | |
203 | else | |
204 | { | |
205 | dummy.type = ButtonPress; | |
206 | dummy.serial = 0; | |
207 | dummy.send_event = 0; | |
208 | dummy.display = XtDisplay (widget); | |
209 | dummy.window = XtWindow (XtParent (widget)); | |
210 | dummy.time = CurrentTime; | |
211 | dummy.button = 0; | |
212 | XQueryPointer (dummy.display, dummy.window, &dummy.root, | |
213 | &dummy.subwindow, &dummy.x_root, &dummy.y_root, | |
214 | &dummy.x, &dummy.y, &dummy.state); | |
215 | ||
216 | pop_up_menu (mw, &dummy); | |
217 | } | |
07bf635f RS |
218 | } |
219 | ||
220 | \f/* Destruction of instances */ | |
221 | void | |
345a94f9 RS |
222 | xlw_destroy_instance (instance) |
223 | widget_instance* instance; | |
07bf635f RS |
224 | { |
225 | if (instance->widget) | |
226 | XtDestroyWidget (instance->widget); | |
227 | } | |
228 |