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/***************************************************************************
MenuRoot.cpp - root node of a menu structure
-------------------
begin : Mon Jan 10 2000
copyright : (C) 2000 by Thomas Eschenbacher
email : Thomas.Eschenbacher@gmx.de
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include <new>
#include <QListIterator>
#include <KLocalizedString>
#include <QMenuBar>
#include "libkwave/String.h"
#include "libgui/MenuItem.h"
#include "libgui/MenuRoot.h"
#include "libgui/MenuSub.h"
//***************************************************************************
/** garbage collector for menu nodes */
QList<Kwave::MenuNode *> Kwave::MenuRoot::m_garbage;
//***************************************************************************
Kwave::MenuRoot::MenuRoot(QMenuBar &bar)
:Kwave::MenuNode(nullptr, _("(root)"), QString(), 0, QString()),
m_menu_bar(bar), m_group_list()
{
}
//***************************************************************************
Kwave::MenuRoot::~MenuRoot()
{
clear();
}
//***************************************************************************
QHash<QString, Kwave::MenuGroup *> &Kwave::MenuRoot::groupList()
{
return m_group_list;
}
//*****************************************************************************
void Kwave::MenuRoot::insertNode(const QString &name,
const QString &position,
const QString &command,
const QKeySequence &shortcut,
const QString &uid)
{
Kwave::MenuNode::insertNode(name, position, command, shortcut, uid);
// now delete all leafs that have been converted to branches
while (!m_garbage.isEmpty()) {
delete m_garbage.takeFirst();
}
}
//***************************************************************************
Kwave::MenuSub *Kwave::MenuRoot::insertBranch(const QString &name,
const QString &command,
const QKeySequence &shortcut,
const QString &uid)
{
QMenu *menu = m_menu_bar.addMenu(name);
Q_ASSERT(menu);
if (!menu) return nullptr;
Kwave::MenuSub *sub = new(std::nothrow)
Kwave::MenuSub(this, menu, name, command, shortcut, uid);
Q_ASSERT(sub);
if (!sub) return nullptr;
insertChild(sub, nullptr);
return sub;
}
//***************************************************************************
Kwave::MenuNode *Kwave::MenuRoot::insertLeaf(const QString &name,
const QString &command,
const QKeySequence &shortcut,
const QString &uid)
{
Kwave::MenuItem *item = new(std::nothrow)
Kwave::MenuItem(this, name, command, shortcut, uid);
Q_ASSERT(item);
if (!item) return nullptr;
insertChild(item, nullptr);
m_menu_bar.addAction(item->action());
return item;
}
//***************************************************************************
void Kwave::MenuRoot::hideChild(Kwave::MenuSub *child)
{
Q_ASSERT(child);
if (!child) return;
if (!m_children.contains(child)) return;
if (groupList().contains(child->name())) return;
QAction *action = child->action();
if (action) m_menu_bar.removeAction(action);
}
//***************************************************************************
void Kwave::MenuRoot::showChild(Kwave::MenuSub *child)
{
Q_ASSERT(child);
if (!child) return;
if (!m_children.contains(child)) return;
if (groupList().contains(child->name())) return;
// find the menu bar entry after which we can insert
QAction *action_before = nullptr;
QListIterator<Kwave::MenuNode *> it(m_children);
it.toBack();
while (it.hasPrevious()) {
Kwave::MenuNode *c = it.previous();
if (c == child) break;
if (c) action_before = c->action();
}
if (action_before)
m_menu_bar.insertMenu(action_before, child->menu());
else
m_menu_bar.addMenu(child->menu());
}
//***************************************************************************
void Kwave::MenuRoot::removeChild(Kwave::MenuNode *child)
{
Q_ASSERT(child);
if (!child) return;
if (!m_children.contains(child)) return;
QHash<QString, Kwave::MenuGroup *> &group_list = groupList();
if (!group_list.contains(child->name())) {
// only remove what has been added to the menu bar,
// but not menu groups
QAction *action = child->action();
if (action) m_menu_bar.removeAction(action);
}
Kwave::MenuNode::removeChild(child);
}
//***************************************************************************
bool Kwave::MenuRoot::specialCommand(const QString &command)
{
Q_ASSERT(command.length());
if (!command.length()) return false;
if (command == _("#separator")) {
m_menu_bar.addSeparator();
return true;
}
return Kwave::MenuNode::specialCommand(command);
}
//***************************************************************************
void Kwave::MenuRoot::deleteLater(Kwave::MenuNode *node)
{
if (node) m_garbage.append(node);
}
//***************************************************************************
//***************************************************************************
#include "moc_MenuRoot.cpp"
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