Mercurial > ldforge / annotate

src/widgets/circularsectioneditor.cpp@2e0e2c696605 (annotated)

src/widgets/circularsectioneditor.cpp

Fri, 21 Dec 2018 21:43:06 +0200

author
Teemu Piippo <teemu@hecknology.net>
date
Fri, 21 Dec 2018 21:43:06 +0200
changeset 1431
2e0e2c696605
parent 1417
ed39bfca7a67
permissions
-rw-r--r--

things

1417
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1 #include "circularsectioneditor.h"
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2 #include "ui_circularsectioneditor.h"
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3 #include "../primitives.h"
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4
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5 CircularSectionEditor::CircularSectionEditor(QWidget* parent) :
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6 QWidget {parent},
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7 ui {*new Ui_CircularSectionEditor}
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8 {
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9 ui.setupUi(this);
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10 ui.divisions->setValidator(new QIntValidator {1, INT_MAX});
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11 connect(ui.segments, qOverload<int>(&QSpinBox::valueChanged), this, &CircularSectionEditor::segmentsChanged);
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12 connect(ui.divisions, qOverload<const QString&>(&QComboBox::activated), this, &CircularSectionEditor::divisionsChanged);
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13 previousDivisions = ui.divisions->currentText().toInt();
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14 updateFractionLabel();
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15 }
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16
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17 CircularSectionEditor::~CircularSectionEditor()
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18 {
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19 delete &ui;
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20 }
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21
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22 CircularSection CircularSectionEditor::section()
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23 {
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24 return {ui.segments->value(), ui.divisions->currentText().toInt()};
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25 }
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26
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27 void CircularSectionEditor::setSection(const CircularSection& newSection)
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28 {
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29 ui.divisions->setCurrentText(QString::number(newSection.divisions));
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30 ui.segments->setValue(newSection.segments);
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31 }
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32
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33 void CircularSectionEditor::updateFractionLabel()
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34 {
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35 CircularSection section = this->section();
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36 int numerator = section.segments;
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37 int denominator = section.divisions;
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38 simplify(numerator, denominator);
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39 ui.fraction->setText(fractionRep(numerator, denominator));
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40 }
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41
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42 void CircularSectionEditor::divisionsChanged()
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43 {
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44 // Scale the segments value to fit.
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45 int divisions = ui.divisions->currentText().toInt();
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46
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47 if (divisions <= 0)
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48 {
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49 ui.divisions->setCurrentText(QString::number(1));
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50 }
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51 else
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52 {
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53 int newSegments = static_cast<int>(round(
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54 ui.segments->value() * double(divisions) / this->previousDivisions
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55 ));
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56 ui.segments->setMaximum(divisions);
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57 ui.segments->setValue(newSegments);
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58 previousDivisions = divisions;
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59 }
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60
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61 emit sectionChanged(section());
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62 }
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63
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64 void CircularSectionEditor::segmentsChanged()
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65 {
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66 updateFractionLabel();
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67 emit sectionChanged(section());
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68 }

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