X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fgtkmm2ext%2Factions.cc;h=9471067de9d48602f20d60cee37b528a626045e9;hb=22b07e0233a29d9633ffa825a79503befaf2e16e;hp=1380d49ae8631ee94eb682e9c351e59d7583f9b1;hpb=4cca76853396f5c4090c3be547b0df4b5f0d02d0;p=ardour.git

diff --git a/libs/gtkmm2ext/actions.cc b/libs/gtkmm2ext/actions.cc
index 1380d49ae8..9471067de9 100644
--- a/libs/gtkmm2ext/actions.cc
+++ b/libs/gtkmm2ext/actions.cc
@@ -21,15 +21,21 @@
 #include <vector>
 #include <string>
 #include <list>
+#include <stack>
 #include <stdint.h>
 
+#include <boost/shared_ptr.hpp>
+
 #include <gtk/gtkaccelmap.h>
 #include <gtk/gtkuimanager.h>
 #include <gtk/gtkactiongroup.h>
 
+#include <gtkmm.h>
 #include <gtkmm/accelmap.h>
 #include <gtkmm/uimanager.h>
 
+#include <glibmm/miscutils.h>
+
 #include "pbd/error.h"
 
 #include "gtkmm2ext/actions.h"
@@ -133,11 +139,11 @@ ActionManager::lookup_entry (const ustring accel_path, Gtk::AccelKey& key)
 }
 
 struct SortActionsByLabel {
-    bool operator() (Glib::RefPtr<Gtk::Action> a, Glib::RefPtr<Gtk::Action> b) {
-	    ustring astr = a->get_accel_path();
-	    ustring bstr = b->get_accel_path();
-	    return astr < bstr;
-    }
+	bool operator() (Glib::RefPtr<Gtk::Action> a, Glib::RefPtr<Gtk::Action> b) {
+		ustring astr = a->get_accel_path();
+		ustring bstr = b->get_accel_path();
+		return astr < bstr;
+	}
 };
 
 void
@@ -231,6 +237,117 @@ ActionManager::get_all_actions (vector<string>& names, vector<string>& paths, ve
 	}
 }
 
+void
+ActionManager::enable_accelerators ()
+{
+	/* the C++ API for functions used here appears to be broken in
+	   gtkmm2.6, so we fall back to the C level.
+	*/
+
+	GList* list = gtk_ui_manager_get_action_groups (ui_manager->gobj());
+	GList* node;
+	GList* acts;
+	string ui_string = "<ui>";
+
+	/* get all actions, build a string describing them all as <accelerator
+	 * action="name"/>
+	 */
+
+	for (node = list; node; node = g_list_next (node)) {
+
+		GtkActionGroup* group = (GtkActionGroup*) node->data;
+
+		for (acts = gtk_action_group_list_actions (group); acts; acts = g_list_next (acts)) {
+			ui_string += "<accelerator action=\"";
+
+			/* OK, this is pretty stupid ... there is the full
+			 * accel path returned by gtk_action_get_accel_path ()
+			 * but of course the UIManager doesn't use that, but
+			 * just a name, which is the last component of the
+			 * path. What a totally ridiculous design.
+			 */
+
+			string fullpath = gtk_action_get_accel_path ((GtkAction*) acts->data);
+
+			ui_string += Glib::path_get_basename (fullpath);
+			ui_string += "\"/>";
+		}
+	}
+
+	ui_string += "</ui>";
+
+	/* and load it */
+
+	ui_manager->add_ui_from_string (ui_string);
+}
+
+struct ActionState {
+	GtkAction* action;
+	bool       sensitive;
+	ActionState (GtkAction* a, bool s) : action (a), sensitive (s) {}
+};
+
+typedef std::vector<ActionState> ActionStates;
+
+static ActionStates action_states_to_restore;
+static bool actions_disabled = false;
+
+void
+ActionManager::save_action_states ()
+{
+	/* the C++ API for functions used here appears to be broken in
+	   gtkmm2.6, so we fall back to the C level.
+	*/
+	GList* list = gtk_ui_manager_get_action_groups (ActionManager::ui_manager->gobj());
+	GList* node;
+	GList* acts;
+
+	for (node = list; node; node = g_list_next (node)) {
+
+		GtkActionGroup* group = (GtkActionGroup*) node->data;
+
+		for (acts = gtk_action_group_list_actions (group); acts; acts = g_list_next (acts)) {
+			GtkAction* action = (GtkAction*) acts->data;
+			action_states_to_restore.push_back (ActionState (action, gtk_action_get_sensitive (action)));
+		}
+	}
+}
+
+void
+ActionManager::enable_active_actions ()
+{
+	if (!actions_disabled) {
+		return ;
+	}
+
+	for (ActionStates::iterator i = action_states_to_restore.begin(); i != action_states_to_restore.end(); ++i) {
+		if ((*i).action && (*i).sensitive) {
+			gtk_action_set_sensitive ((*i).action, true);
+		}
+	}
+
+	action_states_to_restore.clear ();
+	actions_disabled = false;
+}
+
+void
+ActionManager::disable_active_actions ()
+{
+	if (actions_disabled == true ) {
+		return ;
+	}
+	// save all action's states to action_states_to_restore
+	save_action_states ();
+
+	// set all action's states disabled
+	for (ActionStates::iterator i = action_states_to_restore.begin(); i != action_states_to_restore.end(); ++i) {
+		if ((*i).sensitive) {
+			gtk_action_set_sensitive ((*i).action, false);
+		}
+	}
+	actions_disabled = true;
+}
+
 void
 ActionManager::add_action_group (RefPtr<ActionGroup> grp)
 {
@@ -243,6 +360,40 @@ ActionManager::get_widget (const char * name)
 	return ui_manager->get_widget (name);
 }
 
+RefPtr<Action>
+ActionManager::get_action (const char* path)
+{
+	if (!path) {
+		return RefPtr<Action>();
+	}
+
+	/* Skip <Actions>/ in path */
+
+	int len = strlen (path);
+
+	if (len < 3) {
+		/* shortest possible path: "a/b" */
+		return RefPtr<Action>();
+	}
+
+	if (len > 10 && !strncmp (path, "<Actions>/", 10 )) {
+		path = path+10;
+	} else if (path[0] == '/') {
+		path++;
+	}
+
+	vector<char> copy(len+1);
+	strcpy (&copy[0], path);
+	char* slash = strchr (&copy[0], '/');
+	if (!slash) {
+		return RefPtr<Action> ();
+	}
+	*slash = '\0';
+
+	return get_action (&copy[0], ++slash);
+
+}
+
 RefPtr<Action>
 ActionManager::get_action (const char* group_name, const char* action_name)
 {
@@ -276,24 +427,78 @@ ActionManager::get_action (const char* group_name, const char* action_name)
 	return act;
 }
 
+RefPtr<Action>
+ActionManager::get_action_from_name (const char* name)
+{
+	/* the C++ API for functions used here appears to be broken in
+	   gtkmm2.6, so we fall back to the C level.
+	*/
+
+	GList* list = gtk_ui_manager_get_action_groups (ui_manager->gobj());
+	GList* node;
+	GList* acts;
+
+	for (node = list; node; node = g_list_next (node)) {
+
+		GtkActionGroup* group = (GtkActionGroup*) node->data;
+
+		for (acts = gtk_action_group_list_actions (group); acts; acts = g_list_next (acts)) {
+			GtkAction* action = (GtkAction*) acts->data;
+			if (!strcmp (gtk_action_get_name (action), name)) {
+				return Glib::wrap (action, true);
+			}
+		}
+	}
+
+	return RefPtr<Action>();
+}
+
 void
 ActionManager::set_sensitive (vector<RefPtr<Action> >& actions, bool state)
 {
-	for (vector<RefPtr<Action> >::iterator i = actions.begin(); i != actions.end(); ++i) {
-		(*i)->set_sensitive (state);
+	// if actions weren't disabled
+	if (!actions_disabled) {
+		for (vector<RefPtr<Action> >::iterator i = actions.begin(); i != actions.end(); ++i) {
+			(*i)->set_sensitive (state);
+		}
 	}
+	else {
+		// actions were disabled
+		// so we should just set necessary action's states in action_states_to_restore
+		for (vector<RefPtr<Action> >::iterator i = actions.begin(); i != actions.end(); ++i) {
+			// go through action_states_to_restore and set state of actions
+			for (ActionStates::iterator j = action_states_to_restore.begin(); j != action_states_to_restore.end(); ++j) {
+				// all actions should have their individual name, so we can use it for comparison
+				if (gtk_action_get_name ((*j).action) == (*i)->get_name ()) {
+					(*j).sensitive = state;
+				}
+			}
+		}
+	}
+}
+
+void
+ActionManager::check_toggleaction (string n)
+{
+	set_toggleaction_state (n, true);
 }
 
 void
 ActionManager::uncheck_toggleaction (string n)
+{
+	set_toggleaction_state (n, false);
+}
+
+void
+ActionManager::set_toggleaction_state (string n, bool s)
 {
 	char const * name = n.c_str ();
-	
+
 	const char *last_slash = strrchr (name, '/');
 
 	if (last_slash == 0) {
 		fatal << string_compose ("programmer error: %1 %2", "illegal toggle action name", name) << endmsg;
-		/*NOTREACHED*/
+		abort(); /*NOTREACHED*/
 		return;
 	}
 
@@ -306,10 +511,10 @@ ActionManager::uncheck_toggleaction (string n)
 
 	const char* action_name = last_slash + 1;
 
-        RefPtr<Action> act = get_action (group_name, action_name);
+	RefPtr<Action> act = get_action (group_name, action_name);
 	if (act) {
-	        RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
-       		tact->set_active (false);
+		RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
+		tact->set_active (s);
 	} else {
 		error << string_compose (_("Unknown action name: %1"),  name) << endmsg;
 	}
@@ -321,13 +526,13 @@ string
 ActionManager::get_key_representation (const string& accel_path, AccelKey& key)
 {
 	bool known = lookup_entry (accel_path, key);
-	
+
 	if (known) {
 		uint32_t k = possibly_translate_legal_accelerator_to_real_key (key.get_key());
 		key = AccelKey (k, Gdk::ModifierType (key.get_mod()));
 		return ui_manager->get_accel_group()->get_label (key.get_key(), Gdk::ModifierType (key.get_mod()));
-	} 
-	
+	}
+
 	return unbound_string;
 }