1c48db0c |
1 | /* -*-c-*- |
2 | * |
eae4bac6 |
3 | * $Id$ |
1c48db0c |
4 | * |
5 | * Display a message and get an answer |
6 | * |
7 | * (c) 1998 Straylight/Edgeware |
8 | */ |
9 | |
10 | /*----- Licensing notice --------------------------------------------------* |
11 | * |
12 | * This file is part of the mgLib GTK utilities library. |
13 | * |
14 | * mgLib is free software; you can redistribute it and/or modify |
19c0192c |
15 | * it under the terms of the GNU Library General Public License as |
16 | * published by the Free Software Foundation; either version 2 of the |
17 | * License, or (at your option) any later version. |
1c48db0c |
18 | * |
19 | * mgLib is distributed in the hope that it will be useful, |
20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
19c0192c |
22 | * GNU Library General Public License for more details. |
1c48db0c |
23 | * |
19c0192c |
24 | * You should have received a copy of the GNU Library General Public |
e962a3e2 |
25 | * License along with mgLib; if not, write to the Free |
26 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
27 | * MA 02111-1307, USA. |
1c48db0c |
28 | */ |
29 | |
1c48db0c |
30 | /*----- Header files ------------------------------------------------------*/ |
31 | |
32 | #include <stdarg.h> |
33 | #include <stdio.h> |
34 | #include <stdlib.h> |
35 | #include <string.h> |
36 | |
37 | #include <gtk/gtk.h> |
38 | |
39 | #include <mLib/alloc.h> |
f2189185 |
40 | #include <mLib/dstr.h> |
1c48db0c |
41 | |
42 | #include "cancel.h" |
43 | #include "mdwfocus.h" |
44 | #include "msg.h" |
45 | |
46 | /*----- Static variables --------------------------------------------------*/ |
47 | |
48 | static int reply; |
49 | static int creply; |
50 | |
51 | /*----- Main code ---------------------------------------------------------*/ |
52 | |
53 | /* --- @msg@ --- * |
54 | * |
d1495df3 |
55 | * Arguments: @const char *title@ = the title for the message box |
56 | * @const char *buttons@ = the button strings to display |
57 | * @const char *msg@ = the message skeleton string |
1c48db0c |
58 | * |
59 | * Returns: Index of the button selected. |
60 | * |
61 | * Use: Displays a message to the user in a nice dialogue box and |
62 | * returns the index of the button selected. |
ed2737aa |
63 | * |
64 | * The @msg@ argument is a @printf@-style format string, which |
65 | * contains the message to actually be shown. The @buttons@ |
66 | * argument is a comma-separated list of buttons to be drawn, |
67 | * from right to left. A button name can be preceded with `:' |
68 | * to indicate that it's the default, or `~' if it's the |
69 | * `cancel' button. The return value is the zero-based index |
70 | * of the button selected. |
1c48db0c |
71 | */ |
72 | |
73 | static int close(GtkWidget *w, gpointer p) |
74 | { |
75 | reply = creply; |
76 | gtk_main_quit(); |
77 | return (1); |
78 | } |
79 | |
80 | static void click(GtkWidget *w, gpointer p) |
81 | { |
82 | reply = (int)p; |
83 | gtk_main_quit(); |
84 | } |
85 | |
d1495df3 |
86 | int msg(const char *title, const char *buttons, const char *msg, ...) |
1c48db0c |
87 | { |
88 | GtkWidget *dbox, *w; |
89 | |
90 | /* --- Make most of the dialogue box --- */ |
91 | |
92 | dbox = gtk_dialog_new(); |
d1495df3 |
93 | gtk_window_set_title(GTK_WINDOW(dbox), title); |
1c48db0c |
94 | gtk_signal_connect(GTK_OBJECT(dbox), "delete_event", |
95 | GTK_SIGNAL_FUNC(close), 0); |
96 | gtk_box_set_homogeneous(GTK_BOX(GTK_DIALOG(dbox)->action_area), 0); |
97 | |
98 | /* --- Set up the message string --- */ |
99 | |
100 | { |
084b2d62 |
101 | dstr d = DSTR_INIT; |
1c48db0c |
102 | va_list ap; |
103 | |
104 | va_start(ap, msg); |
ca8a1a25 |
105 | dstr_vputf(&d, msg, &ap); |
1c48db0c |
106 | va_end(ap); |
f2189185 |
107 | w = gtk_label_new(d.buf); |
eae4bac6 |
108 | gtk_label_set_justify(GTK_LABEL(w), GTK_JUSTIFY_LEFT); |
1c48db0c |
109 | gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dbox)->vbox), w, 1, 1, 0); |
110 | gtk_window_position(GTK_WINDOW(dbox), GTK_WIN_POS_MOUSE); |
111 | gtk_widget_show(w); |
112 | gtk_misc_set_padding(GTK_MISC(w), 16, 16); |
f2189185 |
113 | dstr_destroy(&d); |
1c48db0c |
114 | } |
115 | |
116 | /* --- Set up the buttons --- */ |
117 | |
118 | { |
119 | char *p = xstrdup(buttons); |
120 | unsigned f = 0; |
121 | int i = 0; |
122 | |
d1495df3 |
123 | #define f_ok 1u |
124 | #define f_cancel 2u |
125 | #define f_mdwfocus 4u |
1c48db0c |
126 | |
127 | if (*p == '!') { |
128 | f |= f_mdwfocus; |
129 | p++; |
130 | } |
131 | |
132 | creply = -1; |
133 | |
134 | for (p = strtok(p, ","); p; p = strtok(0, ","), i++) { |
135 | unsigned ff = 0; |
136 | if (*p == ':') { |
137 | ff |= f_ok; |
138 | p++; |
139 | } |
140 | if (*p == '~') { |
141 | ff |= f_cancel; |
142 | creply = i; |
143 | p++; |
144 | } |
145 | w = gtk_button_new_with_label(p); |
146 | GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT); |
147 | gtk_box_pack_end(GTK_BOX(GTK_DIALOG(dbox)->action_area), w, 0, 0, 0); |
148 | gtk_signal_connect(GTK_OBJECT(w), "clicked", |
149 | GTK_SIGNAL_FUNC(click), (gpointer)i); |
150 | if (ff & f_ok) |
151 | gtk_widget_grab_default(w); |
152 | if (ff & f_cancel) |
153 | cancel(GTK_WINDOW(dbox), w); |
154 | gtk_widget_show(w); |
155 | } |
f2189185 |
156 | free(p); |
157 | |
158 | /* --- Preflight checklist --- */ |
1c48db0c |
159 | |
160 | gtk_widget_realize(dbox); |
161 | if (f & f_mdwfocus) |
162 | mdwfocus(dbox); |
f2189185 |
163 | |
d1495df3 |
164 | #undef f_ok |
165 | #undef f_cancel |
166 | #undef f_mdwfocus |
1c48db0c |
167 | } |
168 | |
169 | /* --- Ready --- */ |
170 | |
171 | gtk_grab_add(GTK_WIDGET(dbox)); |
172 | gtk_widget_show(dbox); |
173 | gtk_main(); |
174 | gtk_grab_remove(GTK_WIDGET(dbox)); |
175 | gtk_widget_destroy(dbox); |
176 | return (reply); |
177 | } |
178 | |
179 | /*----- That's all, folks -------------------------------------------------*/ |