61bf6b0f58
Currently displayed alongside the QPainter version, while establishing the accuracy of each mode, but this is temporary.
143 lines
3.6 KiB
C++
143 lines
3.6 KiB
C++
//
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// Copyright (C) 2017 James Turner zakalawe@mac.com
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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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, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#ifndef LOCALPROP_H
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#define LOCALPROP_H
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#include <QByteArray>
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#include <QVariant>
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#include <QVector>
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#include <QObject>
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struct NameIndexTuple
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{
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QByteArray name;
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unsigned int index = 0;
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NameIndexTuple(const char* nm, unsigned int idx) :
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name(nm),
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index(idx)
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{}
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NameIndexTuple(const QByteArray& bytes) :
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name(bytes)
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{
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Q_ASSERT(bytes.indexOf('/') == -1);
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if (bytes.endsWith(']')) {
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int leftBracket = bytes.indexOf('[');
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index = bytes.mid(leftBracket + 1, bytes.length() - (leftBracket + 2)).toInt();
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name = bytes.left(leftBracket);
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}
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}
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QByteArray toString() const
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{
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QByteArray p = name;
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if (index > 0) {
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p += '[' + QByteArray::number(index) + ']';
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}
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return p;
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}
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bool operator==(const NameIndexTuple& other) const
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{
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return (name == other.name) && (index == other.index);
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}
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bool operator<(const NameIndexTuple& other) const
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{
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if (name == other.name) {
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return index < other.index;
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}
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return name < other.name;
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}
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};
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class LocalProp : public QObject
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{
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Q_OBJECT
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public:
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LocalProp(LocalProp* parent, const NameIndexTuple& ni);
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virtual ~LocalProp();
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void processChange(QJsonValue newValue);
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const NameIndexTuple& id() const;
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QByteArray path() const;
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LocalProp* getOrCreateWithPath(const QByteArray& path);
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LocalProp* childWithNameAndIndex(const NameIndexTuple& ni) const;
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LocalProp* getOrCreateChildWithNameAndIndex(const NameIndexTuple& ni);
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LocalProp* getOrCreateWithPath(const char* name);
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LocalProp* getWithPath(const QByteArray& path) const;
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LocalProp* getWithPath(const char* name) const;
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QByteArray name() const;
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unsigned int index() const;
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/// position in the main FG propery tree. Normally
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/// irrelevant but unfortunately necessary for correct
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/// z-ordering of Canvas elements
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unsigned int position() const
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{
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return _position;
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}
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void setPosition(unsigned int pos);
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LocalProp* parent() const;
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std::vector<LocalProp*> children() const
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{ return _children; }
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std::vector<QVariant> valuesOfChildren(const char* name) const;
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std::vector<LocalProp*> childrenWithName(const char* name) const;
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QVariant value() const;
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QVariant value(const char* path, QVariant defaultValue) const;
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void removeChild(LocalProp* prop);
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bool hasChild(const char* name) const;
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void changeValue(const char* path, QVariant value);
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signals:
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void valueChanged(QVariant val);
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void childAdded(LocalProp* child);
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void childRemoved(LocalProp* child);
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private:
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const NameIndexTuple _id;
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const LocalProp* _parent;
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std::vector<LocalProp*> _children;
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QVariant _value;
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unsigned int _position = 0;
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};
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#endif // LOCALPROP_H
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