97 lines
2.9 KiB
C++
97 lines
2.9 KiB
C++
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/*
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* nextpnr -- Next Generation Place and Route
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*
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* Copyright (C) 2018 Miodrag Milanovic <miodrag@symbioticeda.com>
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* Copyright (C) 2018 Alex Tsui
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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#include "yosys_edit.h"
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#include <QKeyEvent>
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#include <QToolTip>
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NEXTPNR_NAMESPACE_BEGIN
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YosysLineEditor::YosysLineEditor(QWidget *parent) : QLineEdit(parent), index(0)
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{
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setContextMenuPolicy(Qt::CustomContextMenu);
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QAction *clearAction = new QAction("Clear &history", this);
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clearAction->setStatusTip("Clears line edit history");
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connect(clearAction, SIGNAL(triggered()), this, SLOT(clearHistory()));
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contextMenu = createStandardContextMenu();
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contextMenu->addSeparator();
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contextMenu->addAction(clearAction);
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connect(this, SIGNAL(returnPressed()), SLOT(textInserted()));
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connect(this, SIGNAL(customContextMenuRequested(const QPoint)), this, SLOT(showContextMenu(const QPoint)));
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}
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void YosysLineEditor::keyPressEvent(QKeyEvent *ev)
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{
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if (ev->key() == Qt::Key_Up || ev->key() == Qt::Key_Down) {
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QToolTip::hideText();
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if (lines.empty())
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return;
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if (ev->key() == Qt::Key_Up)
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index--;
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if (ev->key() == Qt::Key_Down)
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index++;
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if (index < 0)
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index = 0;
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if (index >= lines.size()) {
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index = lines.size();
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clear();
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return;
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}
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setText(lines[index]);
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} else if (ev->key() == Qt::Key_Escape) {
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QToolTip::hideText();
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clear();
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return;
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} else if (ev->key() == Qt::Key_Tab) {
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return;
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}
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QToolTip::hideText();
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QLineEdit::keyPressEvent(ev);
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}
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// This makes TAB work
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bool YosysLineEditor::focusNextPrevChild(bool next) { return false; }
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void YosysLineEditor::textInserted()
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{
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if (lines.empty() || lines.back() != text())
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lines += text();
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if (lines.size() > 100)
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lines.removeFirst();
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index = lines.size();
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clear();
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Q_EMIT textLineInserted(lines.back());
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}
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void YosysLineEditor::showContextMenu(const QPoint &pt) { contextMenu->exec(mapToGlobal(pt)); }
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void YosysLineEditor::clearHistory()
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{
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lines.clear();
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index = 0;
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clear();
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}
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NEXTPNR_NAMESPACE_END
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