85 lines
3.4 KiB
C++
85 lines
3.4 KiB
C++
/***************************************************************************
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* Copyright (c) 2015 Eivind Kvedalen <eivind@kvedalen.name> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library 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 Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <QApplication>
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# include <QEvent>
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# include <QKeyEvent>
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#endif
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#include "LineEdit.h"
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using namespace SpreadsheetGui;
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LineEdit::LineEdit(QWidget *parent)
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: Gui::ExpressionLineEdit(parent, false, '=', true)
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, lastKeyPressed(0)
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{
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setFocusPolicy(Qt::FocusPolicy::ClickFocus);
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}
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bool LineEdit::eventFilter(QObject* object, QEvent* event)
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{
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Q_UNUSED(object);
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if (event && event->type() == QEvent::KeyPress) {
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QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
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if (keyEvent->key() == Qt::Key_Tab) {
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// Special tab handling -- must be done via a QApplication event filter, otherwise the widget
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// system will always grab the tab events
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if (completerActive()) {
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hideCompleter();
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event->accept();
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return true; // To make sure this tab press doesn't do anything else
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}
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else {
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lastKeyPressed = keyEvent->key();
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lastModifiers = keyEvent->modifiers();
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}
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}
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}
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return false; // We don't usually actually "handle" the tab event, we just keep track of it
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}
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bool LineEdit::event(QEvent *event)
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{
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if (event && event->type() == QEvent::FocusIn) {
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qApp->installEventFilter(this);
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}
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else if (event && event->type() == QEvent::FocusOut) {
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qApp->removeEventFilter(this);
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if (lastKeyPressed)
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Q_EMIT finishedWithKey(lastKeyPressed, lastModifiers);
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lastKeyPressed = 0;
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}
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else if (event && event->type() == QEvent::KeyPress && !completerActive()) {
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QKeyEvent * kevent = static_cast<QKeyEvent*>(event);
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lastKeyPressed = kevent->key();
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lastModifiers = kevent->modifiers();
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}
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return Gui::ExpressionLineEdit::event(event);
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}
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#include "moc_LineEdit.cpp"
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