use g_debug for debug messages
[mikachu/openbox.git] / openbox / actions / execute.c
1 #include "openbox/actions.h"
2 #include "openbox/event.h"
3 #include "openbox/startupnotify.h"
4 #include "openbox/client.h"
5 #include "openbox/prompt.h"
6 #include "openbox/screen.h"
7 #include "obt/paths.h"
8 #include "gettext.h"
9
10 #ifdef HAVE_STDLIB_H
11 #  include <stdlib.h>
12 #endif
13
14 typedef struct {
15     gchar   *cmd;
16     gboolean sn;
17     gchar   *sn_name;
18     gchar   *sn_icon;
19     gchar   *sn_wmclass;
20     gchar   *prompt;
21 } Options;
22
23 static gpointer setup_func(xmlNodePtr node);
24 static void     free_func(gpointer options);
25 static gboolean run_func(ObActionsData *data, gpointer options);
26 /*
27 static gboolean i_input_func(guint initial_state,
28                              XEvent *e,
29                              gpointer options,
30                              gboolean *used);
31 static void     i_cancel_func(gpointer options);
32 */
33
34 void action_execute_startup(void)
35 {
36     actions_register("Execute", setup_func, free_func, run_func, NULL, NULL);
37 }
38
39 static gpointer setup_func(xmlNodePtr node)
40 {
41     xmlNodePtr n;
42     Options *o;
43
44     o = g_new0(Options, 1);
45
46     if ((n = obt_parse_find_node(node, "command")) ||
47         (n = obt_parse_find_node(node, "execute")))
48     {
49         gchar *s = obt_parse_node_string(n);
50         o->cmd = obt_paths_expand_tilde(s);
51         g_free(s);
52     }
53
54     if ((n = obt_parse_find_node(node, "prompt")))
55         o->prompt = obt_parse_node_string(n);
56
57     if ((n = obt_parse_find_node(node, "startupnotify"))) {
58         xmlNodePtr m;
59         if ((m = obt_parse_find_node(n->children, "enabled")))
60             o->sn = obt_parse_node_bool(m);
61         if ((m = obt_parse_find_node(n->children, "name")))
62             o->sn_name = obt_parse_node_string(m);
63         if ((m = obt_parse_find_node(n->children, "icon")))
64             o->sn_icon = obt_parse_node_string(m);
65         if ((m = obt_parse_find_node(n->children, "wmclass")))
66             o->sn_wmclass = obt_parse_node_string(m);
67     }
68     return o;
69 }
70
71 static void free_func(gpointer options)
72 {
73     Options *o = options;
74
75     if (o) {
76         g_free(o->cmd);
77         g_free(o->sn_name);
78         g_free(o->sn_icon);
79         g_free(o->sn_wmclass);
80         g_free(o->prompt);
81         g_free(o);
82     }
83 }
84
85 static Options* dup_options(Options *in)
86 {
87     Options *o = g_new(Options, 1);
88     o->cmd = g_strdup(in->cmd);
89     o->sn = in->sn;
90     o->sn_name = g_strdup(in->sn_name);
91     o->sn_icon = g_strdup(in->sn_icon);
92     o->sn_wmclass = g_strdup(in->sn_wmclass);
93     o->prompt = NULL;
94     return o;
95 }
96
97 static gboolean run_func(ObActionsData *data, gpointer options);
98
99 static void prompt_cb(ObPrompt *p, gint result, gpointer options)
100 {
101     if (result)
102         run_func(NULL, options);
103
104     prompt_unref(p);
105     free_func(options);
106 }
107
108 /* Always return FALSE because its not interactive */
109 static gboolean run_func(ObActionsData *data, gpointer options)
110 {
111     GError *e;
112     gchar **argv = NULL;
113     gchar *cmd;
114     Options *o = options;
115
116     if (!o->cmd) return FALSE;
117
118     if (o->prompt) {
119         ObPrompt *p;
120         Options *ocp;
121         ObPromptAnswer answers[] = {
122             { _("No"), 0 },
123             { _("Yes"), 1 }
124         };
125
126         ocp = dup_options(options);
127         p = prompt_new(o->prompt, answers, 2, 0, 0, prompt_cb, ocp);
128         prompt_show(p, NULL, FALSE);
129
130         return FALSE;
131     }
132
133     cmd = g_filename_from_utf8(o->cmd, -1, NULL, NULL, NULL);
134     if (!cmd) {
135         g_message(_("Failed to convert the path \"%s\" from utf8"), o->cmd);
136         return FALSE;
137     }
138
139     if (data->client) {
140         gchar *c, *before, *expand;
141
142         /* replace occurances of $pid and $window */
143
144         expand = NULL;
145         before = cmd;
146
147         while ((c = strchr(before, '$'))) {
148             if ((c[1] == 'p' || c[1] == 'P') &&
149                 (c[2] == 'i' || c[2] == 'I') &&
150                 (c[3] == 'd' || c[3] == 'D') &&
151                 !g_ascii_isalnum(c[4]))
152             {
153                 /* found $pid */
154                 gchar *tmp;
155
156                 *c = '\0';
157                 tmp = expand;
158                 expand = g_strdup_printf("%s%s%u",
159                                          (expand ? expand : ""),
160                                          before,
161                                          data->client->pid);
162                 g_free(tmp);
163
164                 before = c + 4; /* 4 = strlen("$pid") */
165             }
166
167             if ((c[1] == 'w' || c[1] == 'W') &&
168                 (c[2] == 'i' || c[2] == 'I') &&
169                 (c[3] == 'd' || c[3] == 'D') &&
170                 !g_ascii_isalnum(c[7]))
171             {
172                 /* found $window */
173                 gchar *tmp;
174
175                 *c = '\0';
176                 tmp = expand;
177                 expand = g_strdup_printf("%s%s%lu",
178                                          (expand ? expand : ""),
179                                          before,
180                                          data->client->window);
181                 g_free(tmp);
182
183                 before = c + 7; /* 4 = strlen("$window") */
184             }
185         }
186
187         if (expand) {
188             gchar *tmp;
189
190             /* add on the end of the string after the last replacement */
191             tmp = expand;
192             expand = g_strconcat(expand, before, NULL);
193             g_free(tmp);
194
195             /* replace the command with the expanded one */
196             g_free(cmd);
197             cmd = expand;
198         }
199     }
200
201     /* If there is a keyboard grab going on then we need to cancel
202        it so the application can grab things */
203     event_cancel_all_key_grabs();
204
205     e = NULL;
206     if (!g_shell_parse_argv(cmd, NULL, &argv, &e)) {
207         g_message(_("Failed to execute \"%s\": %s"), o->cmd, e->message);
208         g_error_free(e);
209     }
210     else {
211         gchar *program = NULL;
212         gboolean ok;
213
214         if (o->sn) {
215             program = g_path_get_basename(argv[0]);
216             /* sets up the environment */
217             sn_setup_spawn_environment(program, o->sn_name, o->sn_icon,
218                                        o->sn_wmclass,
219                                        /* launch it on the current desktop */
220                                        screen_desktop);
221         }
222
223         e = NULL;
224         ok = g_spawn_async(NULL, argv, NULL,
225                            G_SPAWN_SEARCH_PATH |
226                            G_SPAWN_DO_NOT_REAP_CHILD,
227                            NULL, NULL, NULL, &e);
228         if (!ok) {
229             g_message(_("Failed to execute \"%s\": %s"),
230                       o->cmd, e->message);
231             g_error_free(e);
232         }
233
234         if (o->sn) {
235             if (!ok) sn_spawn_cancel();
236             unsetenv("DESKTOP_STARTUP_ID");
237         }
238
239         g_free(program);
240         g_strfreev(argv);
241     }
242
243     g_free(cmd);
244
245     return FALSE;
246 }