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https://github.com/qelectrotech/qelectrotech-source-mirror.git
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ae9faa2192
Add a combo box in the tool bar of diagram editor to quickly change the size of the graphics handler item. The sarto commit :D NOTE only available for diagram editor, element editor will come later.
90 lines
2.4 KiB
C++
90 lines
2.4 KiB
C++
/*
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Copyright 2006-2021 The QElectroTech Team
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This file is part of QElectroTech.
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QElectroTech 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 2 of the License, or
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(at your option) any later version.
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QElectroTech 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 QElectroTech. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "qetutils.h"
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#include <QString>
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#include <QStringList>
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#include <QGraphicsView>
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#include "../qetapp.h"
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#include "../qetdiagrameditor.h"
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/**
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@brief QETUtils::marginsToString
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@param margins
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@return QString str "left;top;right;bottom"
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*/
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QString QETUtils::marginsToString(const QMargins &margins)
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{
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QString str;
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str += QString::number(margins.left());
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str += ";";
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str += QString::number(margins.top());
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str += ";";
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str += QString::number(margins.right());
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str += ";";
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str += QString::number(margins.bottom());
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return str;
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}
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/**
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@brief QETUtils::marginsFromString
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@param string
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@return QMargins margins
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*/
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QMargins QETUtils::marginsFromString(const QString &string)
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{
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QMargins margins;
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auto split = string.split(";");
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if (split.size() != 4)
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return margins;
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margins.setLeft (split.at(0).toInt());
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margins.setTop (split.at(1).toInt());
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margins.setRight (split.at(2).toInt());
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margins.setBottom(split.at(3).toInt());
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return margins;
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}
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/**
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* @brief QETUtils::graphicsHandlerSize
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* @param item
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* @return Return the handler size to use in the QGraphicsScene of @a item.
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* If size can't be found, return 10 by default.
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*/
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qreal QETUtils::graphicsHandlerSize(QGraphicsItem *item)
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{
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if (const auto scene_ = item->scene())
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{
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if (!scene_->views().isEmpty())
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{
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if (const auto editor_ = QETApp::instance()->diagramEditorAncestorOf(scene_->views().at(0)))
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{
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const auto variant_ = editor_->property("graphics_handler_size");
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//If variant_ can't be converted to qreal, the returned qreal is 0.0
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//it's sufficient for us to check if value is set or not.
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if (const auto value_ = variant_.toReal())
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return value_;
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}
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}
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}
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//Default value
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return 10;
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}
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