fix ordering of cut/copied regions when pasting; ctrl-click now does the right thing...
[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     $Id$
19 */
20
21 #include <vector>
22 #include <string>
23
24 #include <gtk/gtkaccelmap.h>
25 #include <gtk/gtkuimanager.h>
26 #include <gtk/gtkactiongroup.h>
27
28 #include <gtkmm/accelmap.h>
29 #include <gtkmm/uimanager.h>
30
31 #include <pbd/error.h>
32
33 #include <ardour/ardour.h>
34
35 #include "actions.h"
36 #include "i18n.h"
37
38 using namespace std;
39 using namespace Gtk;
40 using namespace Glib;
41 using namespace sigc;
42 using namespace PBD;
43 using namespace ARDOUR;
44
45 vector<RefPtr<Gtk::Action> > ActionManager::session_sensitive_actions;
46 vector<RefPtr<Gtk::Action> > ActionManager::region_list_selection_sensitive_actions;
47 vector<RefPtr<Gtk::Action> > ActionManager::plugin_selection_sensitive_actions;
48 vector<RefPtr<Gtk::Action> > ActionManager::region_selection_sensitive_actions;
49 vector<RefPtr<Gtk::Action> > ActionManager::track_selection_sensitive_actions;
50 vector<RefPtr<Gtk::Action> > ActionManager::point_selection_sensitive_actions;
51 vector<RefPtr<Gtk::Action> > ActionManager::time_selection_sensitive_actions;
52 vector<RefPtr<Gtk::Action> > ActionManager::line_selection_sensitive_actions;
53 vector<RefPtr<Gtk::Action> > ActionManager::playlist_selection_sensitive_actions;
54
55 vector<RefPtr<Gtk::Action> > ActionManager::range_sensitive_actions;
56 vector<RefPtr<Gtk::Action> > ActionManager::jack_sensitive_actions;
57 vector<RefPtr<Gtk::Action> > ActionManager::jack_opposite_sensitive_actions;
58 vector<RefPtr<Gtk::Action> > ActionManager::transport_sensitive_actions;
59 vector<RefPtr<Gtk::Action> > ActionManager::edit_cursor_in_region_sensitive_actions;
60
61 RefPtr<UIManager> ActionManager::ui_manager;
62 string ActionManager::unbound_string = "--";
63
64 void
65 ActionManager::init ()
66 {
67         ui_manager = UIManager::create ();
68         
69         std::string ui_file = ARDOUR::find_config_file("ardour.menus");
70
71         bool loaded = false;
72         
73         try {
74                 ui_manager->add_ui_from_file (ui_file);
75                 loaded = true;
76         } catch (Glib::MarkupError& err) {
77                 error << _("badly formatted UI definition file") << endmsg;
78         } catch (...) {
79                 error << _("Ardour menu definition file not found") << endmsg;
80         }
81
82         if (!loaded) {
83                 error << _("ardour will not work without a valid ardour.menus file") << endmsg;
84                 exit(1);
85         }
86 }
87
88 RefPtr<Action>
89 ActionManager::register_action (RefPtr<ActionGroup> group, const char * name, const char * label, slot<void> sl)
90 {
91         RefPtr<Action> act;
92
93         act = Action::create (name, label);
94         group->add (act, sl);
95
96         return act;
97 }
98
99 RefPtr<Action>
100 ActionManager::register_action (RefPtr<ActionGroup> group, const char * name, const char * label)
101 {
102         RefPtr<Action> act;
103
104         act = Action::create (name, label);
105         group->add (act);
106
107         return act;
108 }
109
110
111 RefPtr<Action>
112 ActionManager::register_radio_action (RefPtr<ActionGroup> group, RadioAction::Group& rgroup, const char * name, const char * label, slot<void> sl)
113 {
114         RefPtr<Action> act;
115
116         act = RadioAction::create (rgroup, name, label);
117         group->add (act, sl);
118
119         return act;
120 }
121
122 RefPtr<Action>
123 ActionManager::register_toggle_action (RefPtr<ActionGroup> group, const char * name, const char * label, slot<void> sl)
124 {
125         RefPtr<Action> act;
126
127         act = ToggleAction::create (name, label);
128         group->add (act, sl);
129
130         return act;
131 }
132
133 bool 
134 ActionManager::lookup_entry (const ustring accel_path, Gtk::AccelKey& key)
135 {
136         GtkAccelKey gkey;
137         bool known = gtk_accel_map_lookup_entry (accel_path.c_str(), &gkey);
138         
139         if (known) {
140                 key = AccelKey (gkey.accel_key, Gdk::ModifierType (gkey.accel_mods));
141         } else {
142                 key = AccelKey (GDK_VoidSymbol, Gdk::ModifierType (0));
143         }
144
145         return known;
146 }
147
148 void
149 ActionManager::get_all_actions (vector<string>& names, vector<string>& paths, vector<string>& keys, vector<AccelKey>& bindings)
150 {
151         ListHandle<RefPtr<ActionGroup> > uim_groups = ui_manager->get_action_groups ();
152         
153         for (ListHandle<RefPtr<ActionGroup> >::iterator g = uim_groups.begin(); g != uim_groups.end(); ++g) {
154                 
155                 ListHandle<RefPtr<Action> > group_actions = (*g)->get_actions();
156                 
157                 for (ListHandle<RefPtr<Action> >::iterator a = group_actions.begin(); a != group_actions.end(); ++a) {
158                         
159                         ustring accel_path;
160                         
161                         accel_path = (*a)->get_accel_path();
162                         
163                         names.push_back ((*a)->get_name());
164                         paths.push_back (accel_path);
165                         
166                         AccelKey key;
167                         bool known = lookup_entry (accel_path, key);
168                         
169                         if (known) {
170                                 keys.push_back (ui_manager->get_accel_group()->name (key.get_key(), Gdk::ModifierType (key.get_mod())));
171                         } else {
172                                 keys.push_back (unbound_string);
173                         }
174                         
175                         bindings.push_back (AccelKey (key.get_key(), Gdk::ModifierType (key.get_mod())));
176                 }
177         }
178 }
179
180 void
181 ActionManager::add_action_group (RefPtr<ActionGroup> grp)
182 {
183         ui_manager->insert_action_group (grp);
184 }
185
186 Widget*
187 ActionManager::get_widget (const char * name)
188 {
189         return ui_manager->get_widget (name);
190 }
191
192 RefPtr<Action>
193 ActionManager::get_action (const char* group_name, const char* action_name)
194 {
195         /* the C++ API for functions used here appears to be broken in
196            gtkmm2.6, so we fall back to the C level.
197         */
198
199         GList* list = gtk_ui_manager_get_action_groups (ui_manager->gobj());
200         GList* node;
201         RefPtr<Action> act;
202
203         for (node = list; node; node = g_list_next (node)) {
204
205                 GtkActionGroup* _ag = (GtkActionGroup*) node->data;
206                 
207                 if (strcmp (group_name,  gtk_action_group_get_name (_ag)) == 0) {
208                         
209                         GtkAction* _act;
210                         
211                         if ((_act = gtk_action_group_get_action (_ag, action_name)) != 0) {
212                                 act = Glib::wrap (_act, true);
213                                 break;
214                         }
215                 }
216         }
217
218         return act;
219 }
220
221 void 
222 ActionManager::set_sensitive (vector<RefPtr<Action> >& actions, bool state)
223 {
224         for (vector<RefPtr<Action> >::iterator i = actions.begin(); i != actions.end(); ++i) {
225                 (*i)->set_sensitive (state);
226         }
227 }
228
229 void
230 ActionManager::uncheck_toggleaction (const char * name)
231 {
232         char *last_slash = strrchr (name, '/');
233
234         if (last_slash == 0) {
235                 fatal << string_compose (_("programmer error: %1 %2"), X_("illegal toggle action name"), name) << endmsg;
236                 /*NOTREACHED*/
237                 return;
238         }
239
240         /* 10 = strlen ("<Actions>/") */
241         size_t len = last_slash - (name + 10);
242
243         char* group_name = new char[len+1];
244         memcpy (group_name, name + 10, len);
245         group_name[len] = '\0';
246
247         char* action_name = last_slash + 1;
248
249         RefPtr<Action> act = get_action (group_name, action_name);
250         if (act) {
251                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
252                 tact->set_active (false);
253         } else {
254                 error << string_compose (_("Unknown action name: %1"),  name) << endmsg;
255         }
256
257         delete [] group_name;
258 }
259
260 void
261 ActionManager::toggle_config_state (const char* group, const char* action, bool (Configuration::*set)(bool), bool (Configuration::*get)(void) const)
262 {
263         Glib::RefPtr<Action> act = ActionManager::get_action (group, action);
264         if (act) {
265                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
266                 
267                 if (tact) {
268                         bool x = (Config->*get)();
269                         
270                         if (x != tact->get_active()) {
271                                 (Config->*set) (!x);
272                         }
273                 }
274         }
275 }
276
277 void
278 ActionManager::toggle_config_state (const char* group, const char* action, sigc::slot<void> theSlot)
279 {
280         Glib::RefPtr<Action> act = ActionManager::get_action (group, action);
281         if (act) {
282                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
283                 if (tact->get_active()) {
284                         theSlot ();
285                 }
286         }
287 }
288
289 void
290 ActionManager::map_some_state (const char* group, const char* action, bool (Configuration::*get)() const)
291 {
292         Glib::RefPtr<Action> act = ActionManager::get_action (group, action);
293         if (act) {
294                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
295
296                 if (tact) {
297                         
298                         bool x = (Config->*get)();
299
300                         if (tact->get_active() != x) {
301                                 tact->set_active (x);
302                         }
303                 } else {
304                         cerr << group << ':' << action << " is not a toggle\n";
305                 }
306         } else {
307                 cerr << group << ':' << action << " not an action\n";
308         }
309 }