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#include <gtk/gtk.h>
#include <QtCore/QCoreApplication>
#include <QtCore/QDebug>
#include <QtGui/QMenuBar>
#include "appmenu.h"
AppMenu::AppMenu(QObject *parent)
: MenuProxy(parent), m_menu(0)
{
}
AppMenu::~AppMenu()
{
if (m_menu) {
gtk_widget_destroy(GTK_WIDGET(m_menu));
g_object_unref(m_menu);
}
}
GtkMenu * AppMenu::getGtkMenu()
{
if (!m_menu) {
m_menu = GTK_MENU(gtk_menu_new());
g_object_ref_sink(m_menu);
setTargetMenu(GTK_MENU_SHELL(m_menu));
addDefaultItems();
}
return m_menu;
}
GtkMenuItem * AppMenu::addAction(QAction* action)
{
QAction::MenuRole role = detectRole(action);
if (role == QAction::NoRole)
return 0; // Item should not appear in appmenu
// If we just inserted a custom quit item, remove the default one.
if (role == QAction::QuitRole) {
removeAction(m_def_quit);
}
uint order = orderForRole(role);
QMap<uint, QAction*>::iterator it = m_actions.insert(order, action);
// Get the previous element
QAction *before = 0;
if (it != m_actions.begin()) {
--it;
before = it.value();
}
return MenuProxy::addAction(action, before, 0);
}
GtkMenuItem * AppMenu::addAction(QAction* action, QAction* before, QMenu* parent)
{
if (parent) {
return MenuProxy::addAction(action, before, parent);
} else {
// Never add an action to the root menu here.
return 0;
}
}
void AppMenu::removeAction(QAction *action)
{
if (getItemForAction(action)) {
MenuProxy::removeAction(action);
m_actions.remove(orderForRole(action->menuRole()), action);
}
}
void AppMenu::updateAction(QAction *action)
{
GtkMenuItem *item = getItemForAction(action);
if (item) {
MenuProxy::updateAction(action);
} else {
QAction::MenuRole role = detectRole(action);
if (role != QAction::NoRole) {
// The item now has a role!
addAction(action);
}
}
}
void AppMenu::addDefaultItems()
{
QAction *separator = new QAction(this);
separator->setSeparator(true);
m_actions.insert(15, separator);
MenuProxy::addAction(separator, 0, 0);
m_def_quit = new QAction(QIcon::fromTheme("application-exit"),
QMenuBar::tr("Quit"), this);
m_actions.insert(11, m_def_quit);
MenuProxy::addAction(m_def_quit, 0, 0);
connect(m_def_quit, SIGNAL(triggered()),
QCoreApplication::instance(), SLOT(quit()));
}
uint AppMenu::orderForRole(QAction::MenuRole role)
{
switch (role) {
case QAction::AboutRole:
return 50;
case QAction::AboutQtRole:
return 40;
case QAction::PreferencesRole:
return 30;
case QAction::ApplicationSpecificRole:
return 20;
case QAction::QuitRole:
return 10;
default:
return 0;
}
}
QAction::MenuRole AppMenu::detectRole(QAction *action)
{
QAction::MenuRole role = action->menuRole();
if (action->isSeparator()) return QAction::NoRole;
if (role == QAction::TextHeuristicRole) {
QString t = action->text().toLower().remove('&');
QString aboutString = QMenuBar::tr("About").toLower();
if (t.startsWith(aboutString) || t.endsWith(aboutString)) {
if (t.indexOf(QRegExp(QString::fromLatin1("qt$"), Qt::CaseInsensitive)) == -1) {
return QAction::AboutRole;
} else {
return QAction::AboutQtRole;
}
} else if (t.startsWith(QMenuBar::tr("Config").toLower())
|| t.startsWith(QMenuBar::tr("Preference").toLower())
|| t.startsWith(QMenuBar::tr("Options").toLower())
|| t.startsWith(QMenuBar::tr("Setting").toLower())
|| t.startsWith(QMenuBar::tr("Setup").toLower())) {
return QAction::PreferencesRole;
} else if (t.startsWith(QMenuBar::tr("Quit").toLower())
|| t.startsWith(QMenuBar::tr("Exit").toLower())) {
return QAction::QuitRole;
}
return QAction::NoRole;
} else {
return role;
}
}
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