18d024481f
Actions have been added to context-menu for stream list and device group list only for now.
110 lines
3.6 KiB
C++
110 lines
3.6 KiB
C++
/*
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Copyright (C) 2020 Srivats P.
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This file is part of "Ostinato"
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This is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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#include "clipboardhelper.h"
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#include <QAction>
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#include <QApplication>
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#include <QClipboard>
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#include <QIcon>
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ClipboardHelper::ClipboardHelper(QObject *parent)
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: QObject(parent)
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{
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actionCut_ = new QAction(tr("&Cut"), this);
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actionCut_->setObjectName(QStringLiteral("actionCut"));
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actionCut_->setIcon(QIcon(QString::fromUtf8(":/icons/cut.png")));
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actionCopy_ = new QAction(tr("Cop&y"), this);
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actionCopy_->setObjectName(QStringLiteral("actionCopy"));
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actionCopy_->setIcon(QIcon(QString::fromUtf8(":/icons/copy.png")));
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actionPaste_ = new QAction(tr("&Paste"), this);
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actionPaste_->setObjectName(QStringLiteral("actionPaste"));
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actionPaste_->setIcon(QIcon(QString::fromUtf8(":/icons/paste.png")));
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connect(actionCut_, SIGNAL(triggered()), SLOT(actionTriggered()));
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connect(actionCopy_, SIGNAL(triggered()), SLOT(actionTriggered()));
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connect(actionPaste_, SIGNAL(triggered()), SLOT(actionTriggered()));
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#if 0 // FIXME: doesn't work correctly yet
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connect(qGuiApp, SIGNAL(focusChanged(QWidget*, QWidget*)),
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SLOT(updateClipboardActions()));
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#endif
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}
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QList<QAction*> ClipboardHelper::actions()
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{
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QList<QAction*> actionList({actionCut_, actionCopy_, actionPaste_});
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return actionList;
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}
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void ClipboardHelper::actionTriggered()
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{
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QWidget *focusWidget = QApplication::focusWidget();
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if (!focusWidget)
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return;
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// single slot to handle cut/copy/paste - find which action was triggered
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QString action = sender()->objectName()
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.remove("action").append("()").toLower();
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if (focusWidget->metaObject()->indexOfSlot(qPrintable(action)) < 0) {
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qDebug("%s slot not found for object %s:%s ",
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qPrintable(action),
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qPrintable(focusWidget->objectName()),
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focusWidget->metaObject()->className());
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return;
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}
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action.remove("()");
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QMetaObject::invokeMethod(focusWidget, qPrintable(action),
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Qt::DirectConnection);
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}
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void ClipboardHelper::updateActionStatus()
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{
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QWidget *focusWidget = QApplication::focusWidget();
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if (!focusWidget)
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return;
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qDebug("In %s", __FUNCTION__);
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const QMetaObject *meta = focusWidget->metaObject();
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// FIXME: we should check if the mimeData's mimeType can be pasted in
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// the focusWidget
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actionPaste_->setEnabled(qGuiApp->clipboard()->mimeData()
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&& (meta->indexOfSlot("paste()") >= 0));
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bool hasSelection = false;
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if (meta->indexOfProperty("hasSelectedText") >= 0)
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hasSelection |= focusWidget->property("hasSelectedText").toBool();
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bool ret = false;
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if (meta->indexOfMethod("hasSelection()") >= 0) {
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if (QMetaObject::invokeMethod(focusWidget, "hasSelection",
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Qt::DirectConnection, Q_RETURN_ARG(bool, ret)))
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hasSelection |= ret;
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}
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actionCut_->setEnabled(hasSelection && (meta->indexOfSlot("cut") >= 0));
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actionCopy_->setEnabled(hasSelection && (meta->indexOfSlot("copy") >= 0));
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}
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