merged with 1697 revision of trunk (which is post-rc1 but pre-rc2
[ardour.git] / gtk2_ardour / actions.cc
1 /*
2     Copyright (C) 2005 Paul Davis 
3
4     This program is free software; you can redistribute it and/or modify
5     it under the terms of the GNU General Public License as published by
6     the Free Software Foundation; either version 2 of the License, or
7     (at your option) any later version.
8
9     This program is distributed in the hope that it will be useful,
10     but WITHOUT ANY WARRANTY; without even the implied warranty of
11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12     GNU General Public License for more details.
13
14     You should have received a copy of the GNU General Public License
15     along with this program; if not, write to the Free Software
16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17
18 */
19
20 #include <vector>
21 #include <string>
22
23 #include <gtk/gtkaccelmap.h>
24 #include <gtk/gtkuimanager.h>
25 #include <gtk/gtkactiongroup.h>
26
27 #include <gtkmm/accelmap.h>
28 #include <gtkmm/uimanager.h>
29
30 #include <pbd/error.h>
31
32 #include <ardour/ardour.h>
33
34 #include "actions.h"
35 #include "i18n.h"
36
37 using namespace std;
38 using namespace Gtk;
39 using namespace Glib;
40 using namespace sigc;
41 using namespace PBD;
42 using namespace ARDOUR;
43
44 vector<RefPtr<Gtk::Action> > ActionManager::session_sensitive_actions;
45 vector<RefPtr<Gtk::Action> > ActionManager::region_list_selection_sensitive_actions;
46 vector<RefPtr<Gtk::Action> > ActionManager::plugin_selection_sensitive_actions;
47 vector<RefPtr<Gtk::Action> > ActionManager::region_selection_sensitive_actions;
48 vector<RefPtr<Gtk::Action> > ActionManager::track_selection_sensitive_actions;
49 vector<RefPtr<Gtk::Action> > ActionManager::point_selection_sensitive_actions;
50 vector<RefPtr<Gtk::Action> > ActionManager::time_selection_sensitive_actions;
51 vector<RefPtr<Gtk::Action> > ActionManager::line_selection_sensitive_actions;
52 vector<RefPtr<Gtk::Action> > ActionManager::playlist_selection_sensitive_actions;
53
54 vector<RefPtr<Gtk::Action> > ActionManager::range_sensitive_actions;
55 vector<RefPtr<Gtk::Action> > ActionManager::jack_sensitive_actions;
56 vector<RefPtr<Gtk::Action> > ActionManager::jack_opposite_sensitive_actions;
57 vector<RefPtr<Gtk::Action> > ActionManager::transport_sensitive_actions;
58 vector<RefPtr<Gtk::Action> > ActionManager::edit_cursor_in_region_sensitive_actions;
59
60 RefPtr<UIManager> ActionManager::ui_manager;
61 string ActionManager::unbound_string = "--";
62
63 void
64 ActionManager::init ()
65 {
66         ui_manager = UIManager::create ();
67         
68         std::string ui_file = ARDOUR::find_config_file("ardour.menus");
69
70         bool loaded = false;
71         
72         try {
73                 ui_manager->add_ui_from_file (ui_file);
74                 loaded = true;
75         } catch (Glib::MarkupError& err) {
76                 error << _("badly formatted UI definition file") << endmsg;
77         } catch (...) {
78                 error << _("Ardour menu definition file not found") << endmsg;
79         }
80
81         if (!loaded) {
82                 error << _("ardour will not work without a valid ardour.menus file") << endmsg;
83                 exit(1);
84         }
85 }
86
87 RefPtr<Action>
88 ActionManager::register_action (RefPtr<ActionGroup> group, const char * name, const char * label, slot<void> sl)
89 {
90         RefPtr<Action> act;
91
92         act = Action::create (name, label);
93         group->add (act, sl);
94
95         return act;
96 }
97
98 RefPtr<Action>
99 ActionManager::register_action (RefPtr<ActionGroup> group, const char * name, const char * label)
100 {
101         RefPtr<Action> act;
102
103         act = Action::create (name, label);
104         group->add (act);
105
106         return act;
107 }
108
109
110 RefPtr<Action>
111 ActionManager::register_radio_action (RefPtr<ActionGroup> group, RadioAction::Group& rgroup, const char * name, const char * label, slot<void> sl)
112 {
113         RefPtr<Action> act;
114
115         act = RadioAction::create (rgroup, name, label);
116         group->add (act, sl);
117
118         return act;
119 }
120
121 RefPtr<Action>
122 ActionManager::register_toggle_action (RefPtr<ActionGroup> group, const char * name, const char * label, slot<void> sl)
123 {
124         RefPtr<Action> act;
125
126         act = ToggleAction::create (name, label);
127         group->add (act, sl);
128
129         return act;
130 }
131
132 bool 
133 ActionManager::lookup_entry (const ustring accel_path, Gtk::AccelKey& key)
134 {
135         GtkAccelKey gkey;
136         bool known = gtk_accel_map_lookup_entry (accel_path.c_str(), &gkey);
137         
138         if (known) {
139                 key = AccelKey (gkey.accel_key, Gdk::ModifierType (gkey.accel_mods));
140         } else {
141                 key = AccelKey (GDK_VoidSymbol, Gdk::ModifierType (0));
142         }
143
144         return known;
145 }
146
147 void
148 ActionManager::get_all_actions (vector<string>& names, vector<string>& paths, vector<string>& keys, vector<AccelKey>& bindings)
149 {
150         ListHandle<RefPtr<ActionGroup> > uim_groups = ui_manager->get_action_groups ();
151         
152         for (ListHandle<RefPtr<ActionGroup> >::iterator g = uim_groups.begin(); g != uim_groups.end(); ++g) {
153                 
154                 ListHandle<RefPtr<Action> > group_actions = (*g)->get_actions();
155                 
156                 for (ListHandle<RefPtr<Action> >::iterator a = group_actions.begin(); a != group_actions.end(); ++a) {
157                         
158                         ustring accel_path;
159                         
160                         accel_path = (*a)->get_accel_path();
161                         
162                         names.push_back ((*a)->get_name());
163                         paths.push_back (accel_path);
164                         
165                         AccelKey key;
166                         bool known = lookup_entry (accel_path, key);
167                         
168                         if (known) {
169                                 keys.push_back (ui_manager->get_accel_group()->name (key.get_key(), Gdk::ModifierType (key.get_mod())));
170                         } else {
171                                 keys.push_back (unbound_string);
172                         }
173                         
174                         bindings.push_back (AccelKey (key.get_key(), Gdk::ModifierType (key.get_mod())));
175                 }
176         }
177 }
178
179 void
180 ActionManager::add_action_group (RefPtr<ActionGroup> grp)
181 {
182         ui_manager->insert_action_group (grp);
183 }
184
185 Widget*
186 ActionManager::get_widget (const char * name)
187 {
188         return ui_manager->get_widget (name);
189 }
190
191 RefPtr<Action>
192 ActionManager::get_action (const char* group_name, const char* action_name)
193 {
194         /* the C++ API for functions used here appears to be broken in
195            gtkmm2.6, so we fall back to the C level.
196         */
197
198         GList* list = gtk_ui_manager_get_action_groups (ui_manager->gobj());
199         GList* node;
200         RefPtr<Action> act;
201
202         for (node = list; node; node = g_list_next (node)) {
203
204                 GtkActionGroup* _ag = (GtkActionGroup*) node->data;
205                 
206                 if (strcmp (group_name,  gtk_action_group_get_name (_ag)) == 0) {
207                         
208                         GtkAction* _act;
209                         
210                         if ((_act = gtk_action_group_get_action (_ag, action_name)) != 0) {
211                                 act = Glib::wrap (_act, true);
212                                 break;
213                         }
214                 }
215         }
216
217         return act;
218 }
219
220 void 
221 ActionManager::set_sensitive (vector<RefPtr<Action> >& actions, bool state)
222 {
223         for (vector<RefPtr<Action> >::iterator i = actions.begin(); i != actions.end(); ++i) {
224                 (*i)->set_sensitive (state);
225         }
226 }
227
228 void
229 ActionManager::uncheck_toggleaction (const char * name)
230 {
231         char *last_slash = strrchr (name, '/');
232
233         if (last_slash == 0) {
234                 fatal << string_compose (_("programmer error: %1 %2"), X_("illegal toggle action name"), name) << endmsg;
235                 /*NOTREACHED*/
236                 return;
237         }
238
239         /* 10 = strlen ("<Actions>/") */
240         size_t len = last_slash - (name + 10);
241
242         char* group_name = new char[len+1];
243         memcpy (group_name, name + 10, len);
244         group_name[len] = '\0';
245
246         char* action_name = last_slash + 1;
247
248         RefPtr<Action> act = get_action (group_name, action_name);
249         if (act) {
250                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
251                 tact->set_active (false);
252         } else {
253                 error << string_compose (_("Unknown action name: %1"),  name) << endmsg;
254         }
255
256         delete [] group_name;
257 }
258
259 void
260 ActionManager::toggle_config_state (const char* group, const char* action, bool (Configuration::*set)(bool), bool (Configuration::*get)(void) const)
261 {
262         Glib::RefPtr<Action> act = ActionManager::get_action (group, action);
263         if (act) {
264                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
265                 
266                 if (tact) {
267                         bool x = (Config->*get)();
268                         
269                         if (x != tact->get_active()) {
270                                 (Config->*set) (!x);
271                         }
272                 }
273         }
274 }
275
276 void
277 ActionManager::toggle_config_state (const char* group, const char* action, sigc::slot<void> theSlot)
278 {
279         Glib::RefPtr<Action> act = ActionManager::get_action (group, action);
280         if (act) {
281                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
282                 if (tact->get_active()) {
283                         theSlot ();
284                 }
285         }
286 }
287
288 void
289 ActionManager::map_some_state (const char* group, const char* action, bool (Configuration::*get)() const)
290 {
291         Glib::RefPtr<Action> act = ActionManager::get_action (group, action);
292         if (act) {
293                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
294
295                 if (tact) {
296                         
297                         bool x = (Config->*get)();
298
299                         if (tact->get_active() != x) {
300                                 tact->set_active (x);
301                         }
302                 } else {
303                         cerr << group << ':' << action << " is not a toggle\n";
304                 }
305         } else {
306                 cerr << group << ':' << action << " not an action\n";
307         }
308 }