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add new action management functions to save and restore sensitity of all actions

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This commit is contained in:
Paul Davis 2014-06-24 10:41:19 -04:00
parent a77b1f6c8e
commit 19ac902df0
2 changed files with 83 additions and 0 deletions
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78
libs/gtkmm2ext/actions.cc
View file

@ -21,8 +21,11 @@
#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>
@ -232,6 +235,81 @@ ActionManager::get_all_actions (vector<string>& names, vector<string>& paths, ve
}
}
struct ActionState {
GtkAction* action;
bool sensitive;
ActionState (GtkAction* a, bool s) : action (a), sensitive (s) {}
};
typedef std::vector<ActionState> ActionStates;
static std::stack<boost::shared_ptr<ActionStates> > state_stack;
static boost::shared_ptr<ActionStates>
get_action_state ()
{
boost::shared_ptr<ActionStates> state = boost::shared_ptr<ActionStates>(new ActionStates);
/* 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;
/* first pass: collect them all */
typedef std::list<Glib::RefPtr<Gtk::Action> > action_list;
action_list the_acts;
for (acts = gtk_action_group_list_actions (group); acts; acts = g_list_next (acts)) {
GtkAction* action = (GtkAction*) acts->data;
state->push_back (ActionState (action, gtk_action_get_sensitive (action)));
}
}
return state;
}
void
ActionManager::push_action_state ()
{
state_stack.push (get_action_state());
}
void
ActionManager::pop_action_state ()
{
if (state_stack.empty()) {
warning << string_compose (_("programming error: %1"), X_("ActionManager::pop_action_state called with empty stack")) << endmsg;
return;
}
boost::shared_ptr<ActionStates> as = state_stack.top ();
state_stack.pop ();
for (ActionStates::iterator i = as->begin(); i != as->end(); ++i) {
gtk_action_set_sensitive ((*i).action, (*i).sensitive);
}
}
void
ActionManager::disable_all_actions ()
{
push_action_state ();
boost::shared_ptr<ActionStates> as = state_stack.top ();
for (ActionStates::iterator i = as->begin(); i != as->end(); ++i) {
gtk_action_set_sensitive ((*i).action, false);
}
}
void
ActionManager::add_action_group (RefPtr<ActionGroup> grp)
{

5
libs/gtkmm2ext/gtkmm2ext/actions.h
View file

@ -91,6 +91,11 @@ namespace ActionManager {
LIBGTKMM2EXT_API extern void check_toggleaction (std::string);
LIBGTKMM2EXT_API extern void uncheck_toggleaction (std::string);
LIBGTKMM2EXT_API extern void set_toggleaction_state (std::string, bool);
LIBGTKMM2EXT_API extern void push_action_state ();
LIBGTKMM2EXT_API extern void pop_action_state ();
LIBGTKMM2EXT_API extern void disable_all_actions ();
};
#endif /* __libgtkmm2ext_actions_h__ */