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dexed/JuceLibraryCode/modules/juce_gui_basics/menus/juce_MenuBarModel.cpp

85 lines
2.6 KiB

11 years ago
/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2013 - Raw Material Software Ltd.
Permission is granted to use this software under the terms of either:
a) the GPL v2 (or any later version)
b) the Affero GPL v3
Details of these licenses can be found at: www.gnu.org/licenses
JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
------------------------------------------------------------------------------
To release a closed-source product which uses JUCE, commercial licenses are
available: visit www.juce.com for more information.
==============================================================================
*/
MenuBarModel::MenuBarModel() noexcept
: manager (nullptr)
{
}
MenuBarModel::~MenuBarModel()
{
setApplicationCommandManagerToWatch (nullptr);
}
//==============================================================================
void MenuBarModel::menuItemsChanged()
{
triggerAsyncUpdate();
}
void MenuBarModel::setApplicationCommandManagerToWatch (ApplicationCommandManager* const newManager) noexcept
{
if (manager != newManager)
{
if (manager != nullptr)
manager->removeListener (this);
manager = newManager;
if (manager != nullptr)
manager->addListener (this);
}
}
void MenuBarModel::addListener (Listener* const newListener) noexcept
{
listeners.add (newListener);
}
void MenuBarModel::removeListener (Listener* const listenerToRemove) noexcept
{
// Trying to remove a listener that isn't on the list!
// If this assertion happens because this object is a dangling pointer, make sure you've not
// deleted this menu model while it's still being used by something (e.g. by a MenuBarComponent)
jassert (listeners.contains (listenerToRemove));
listeners.remove (listenerToRemove);
}
//==============================================================================
void MenuBarModel::handleAsyncUpdate()
{
listeners.call (&MenuBarModel::Listener::menuBarItemsChanged, this);
}
void MenuBarModel::applicationCommandInvoked (const ApplicationCommandTarget::InvocationInfo& info)
{
listeners.call (&MenuBarModel::Listener::menuCommandInvoked, this, info);
}
void MenuBarModel::applicationCommandListChanged()
{
menuItemsChanged();
}