File size: 5,034 Bytes
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/***************************************************************************
* Copyright (c) 2023 Abdullah Tahiri <abdullah.tahiri.yo@gmail.com> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include <Inventor/events/SoKeyboardEvent.h>
#include <QApplication>
#include <QEvent>
#include <QRegularExpression>
#include <QRegularExpressionMatch>
#include "ViewProviderSketch.h"
#include "DrawSketchKeyboardManager.h"
using namespace SketcherGui;
DrawSketchKeyboardManager::DrawSketchKeyboardManager()
: QObject(nullptr)
, keyMode(KeyboardEventHandlingMode::DSHControl)
{
// get the active viewer, so that we can send it key events
auto doc = Gui::Application::Instance->activeDocument();
if (doc) {
auto temp = dynamic_cast<Gui::View3DInventor*>(doc->getActiveView());
if (temp) {
vpViewer = temp->getViewer();
keyMode = KeyboardEventHandlingMode::ViewProvider;
}
}
timer.setSingleShot(true);
QObject::connect(&timer, &QTimer::timeout, [this]() { onTimeOut(); });
}
bool DrawSketchKeyboardManager::isMode(KeyboardEventHandlingMode mode)
{
return mode == keyMode;
}
DrawSketchKeyboardManager::KeyboardEventHandlingMode DrawSketchKeyboardManager::getMode()
{
return keyMode;
}
bool DrawSketchKeyboardManager::eventFilter(QObject* object, QEvent* event)
{
Q_UNUSED(object);
if (event->type() == QEvent::KeyPress || event->type() == QEvent::KeyRelease) {
/*If a key shortcut is required to work on sketcher when a tool using ui controls is being
* used, then you have to add this key to the below section such that the spinbox doesn't
* keep the keypress event for itself. Note if you want the event to be handled by the
* spinbox too, you can return false.*/
auto keyEvent = static_cast<QKeyEvent*>(event);
detectKeyboardEventHandlingMode(keyEvent); // determine the handler
if (vpViewer && isMode(KeyboardEventHandlingMode::ViewProvider)) {
return QApplication::sendEvent(vpViewer, keyEvent);
}
return false; // do not intercept the event and feed it to the widget
}
return false;
}
void DrawSketchKeyboardManager::detectKeyboardEventHandlingMode(QKeyEvent* keyEvent)
{
QRegularExpression rx(QStringLiteral("^[0-9]$"));
auto match = rx.match(keyEvent->text());
if (keyEvent->key() == Qt::Key_Enter || keyEvent->key() == Qt::Key_Return
|| keyEvent->key() == Qt::Key_Tab || keyEvent->key() == Qt::Key_Backtab
|| keyEvent->key() == Qt::Key_Minus || keyEvent->key() == Qt::Key_Period
|| keyEvent->key() == Qt::Key_Comma
|| match.hasMatch()
// double check for backspace as there may be windows/unix inconsistencies
|| keyEvent->key() == Qt::Key_Backspace || keyEvent->matches(QKeySequence::Backspace)
|| keyEvent->matches(QKeySequence::Delete)) {
keyMode = KeyboardEventHandlingMode::DSHControl;
timer.start(timeOutValue);
}
}
void DrawSketchKeyboardManager::onTimeOut()
{
keyMode = KeyboardEventHandlingMode::ViewProvider;
}
/// sets the timeout to the amount of milliseconds.
void DrawSketchKeyboardManager::setTimeOut(int milliseconds)
{
timeOutValue = milliseconds;
}
// returns the current timeout amount
int DrawSketchKeyboardManager::timeOut()
{
return timeOutValue;
}
#include "moc_DrawSketchKeyboardManager.cpp"
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