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qt-creator/doc/pluginhowto/examples/menu/placingmenu/donothingplugin.cpp

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#include "donothingplugin.h"
#include <coreplugin/coreconstants.h>
#include <coreplugin/actionmanager/actionmanager.h>
#include <coreplugin/actionmanager/command.h>
#include <coreplugin/icore.h>
#include <QKeySequence>
#include <QtPlugin>
#include <QStringList>
#include <QMessageBox>
DoNothingPlugin::DoNothingPlugin()
{
// Do nothing
}
DoNothingPlugin::~DoNothingPlugin()
{
// Do notning
}
void DoNothingPlugin::extensionsInitialized()
{
// Do nothing
}
bool DoNothingPlugin::initialize(const QStringList& args, QString *errMsg)
{
Q_UNUSED(args);
Q_UNUSED(errMsg);
// Fetch the action manager
Core::ActionManager* am = Core::ICore::instance()->actionManager();
// Create a DoNothing menu
Core::ActionContainer* ac = am->createMenu("DoNothingPlugin.DoNothingMenu");
ac->menu()->setTitle("DoNothing");
// Create a command for "About DoNothing".
QAction *action = new QAction(tr("About DoNothing"),this);
Core::Command* cmd = am->registerAction(action,"DoNothingPlugin.AboutDoNothing",QList<int>() << 0);
// Insert the "DoNothing" menu between "Window" and "Help".
QMenu* windowMenu = am->actionContainer(Core::Constants::M_HELP)->menu();
QMenuBar* menuBar = am->actionContainer(Core::Constants::MENU_BAR)->menuBar();
menuBar->insertMenu(windowMenu->menuAction(), ac->menu());
// Add the "About DoNothing" action to the DoNothing menu
ac->addAction(cmd);
// Connect the action
connect(action, SIGNAL(triggered(bool)), this, SLOT(about()));
return true;
}
void DoNothingPlugin::shutdown()
{
// Do nothing
}
void DoNothingPlugin::about()
{
QMessageBox::information(0, "About DoNothing Plugin",
"Seriously dude, this plugin does nothing");
}
Q_EXPORT_PLUGIN(DoNothingPlugin)