143 lines
4.4 KiB
C++
143 lines
4.4 KiB
C++
//=============================================================================
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// MuseScore
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// Music Composition & Notation
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//
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// Copyright (C) 2015 Werner Schweer
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2
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// as published by the Free Software Foundation and appearing in
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// the file LICENCE.GPL
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//=============================================================================
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#include "help.h"
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#include "musescore.h"
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namespace Ms {
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//---------------------------------------------------------
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// HelpQuery
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//---------------------------------------------------------
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HelpQuery::HelpQuery(QWidget* parent)
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: QWidgetAction(parent)
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{
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mapper = new QSignalMapper(this);
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w = new QWidget(parent);
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QHBoxLayout* layout = new QHBoxLayout;
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QLabel* label = new QLabel;
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label->setText(tr("Search for: "));
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layout->addWidget(label);
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entry = new QLineEdit;
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layout->addWidget(entry);
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QToolButton* button = new QToolButton;
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button->setText("x");
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layout->addWidget(button);
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w->setLayout(layout);
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setDefaultWidget(w);
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emptyState = true;
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connect(button, SIGNAL(clicked()), entry, SLOT(clear()));
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connect(entry, SIGNAL(textChanged(const QString&)), SLOT(textChanged(const QString&)));
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connect(entry, SIGNAL(returnPressed()), SLOT(returnPressed()));
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connect(mapper, SIGNAL(mapped(QObject*)), SLOT(actionTriggered(QObject*)));
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}
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//---------------------------------------------------------
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// setFocus
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//---------------------------------------------------------
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void HelpQuery::setFocus()
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{
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entry->clear();
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entry->setFocus();
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}
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//---------------------------------------------------------
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// textChanged
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//---------------------------------------------------------
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void HelpQuery::textChanged(const QString& ss)
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{
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QString s = ss.toLower();
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QWidget* menu = static_cast<QWidget*>(parent());
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if (s.isEmpty()) {
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if (!emptyState) { // restore old menu entries
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QList<QAction*> al = menu->actions();
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for (QAction* a : al) {
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if (a != this)
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menu->removeAction(a);
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}
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for (QAction* a : actions) {
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if (a != this)
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menu->addAction(a);
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}
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}
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emptyState = true;
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return;
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}
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if (emptyState)
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actions = menu->actions();
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for (QAction* a : menu->actions()) {
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if (a != this)
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menu->removeAction(a);
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}
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emptyState = false;
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if (!mscore->helpEngine())
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return;
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QMap<QString,QUrl>list = mscore->helpEngine()->linksForIdentifier(s);
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// QMap<QString,QUrl>list = mscore->helpEngine()->indexModel()->linksForKeyword(s);
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int k = 0;
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for (auto i = list.begin(); i != list.end(); ++i) {
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QAction* action = new QAction(i.key(), this);
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action->setData(i.value());
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// printf("add action <%s> <%s>\n", qPrintable(i.key()), qPrintable(i.value().toString()));
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menu->addAction(action);
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connect(action, SIGNAL(triggered()), mapper, SLOT(map()));
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mapper->setMapping(action, action);
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if (++k > 10)
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break;
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}
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}
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//---------------------------------------------------------
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// actionTriggered
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//---------------------------------------------------------
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void HelpQuery::actionTriggered(QObject* obj)
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{
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QAction* action = static_cast<QAction*>(obj);
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if (action->data().isNull())
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return;
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QUrl url = action->data().toUrl();
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if (url.isValid())
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mscore->showHelp(url);
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else
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qDebug("actionTriggered: bad url");
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entry->clear();
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}
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//---------------------------------------------------------
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// return pressed
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//---------------------------------------------------------
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void HelpQuery::returnPressed()
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{
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QHelpEngine* he = mscore->helpEngine();
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if (!he)
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return;
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QMap<QString,QUrl>list = he->linksForIdentifier(entry->text().toLower());
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if (!list.isEmpty()) {
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mscore->showHelp(list.begin().value());
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}
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entry->clear();
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}
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} // end namespace Ms
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