src/ui/multiplyfactordialog.cpp

Sat, 05 Mar 2022 13:18:40 +0200

author
Teemu Piippo <teemu@hecknology.net>
date
Sat, 05 Mar 2022 13:18:40 +0200
changeset 161
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parent 115
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permissions
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1 #include "multiplyfactordialog.h"
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2 #include "ui_multiplyfactordialog.h"
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3
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4 MultiplyFactorDialog::MultiplyFactorDialog(const glm::vec3& baseVector, QWidget* parent) :
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5 QDialog{parent},
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6 baseVector{baseVector},
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7 preview{baseVector, parent, Vec3Editor::NoMultiplyButton}
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8 {
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9 ui = std::make_unique<Ui::MultiplyFactorDialog>();
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10 ui->setupUi(this);
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11 this->preview.setEnabled(false);
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12 this->ui->previewGroupBox->setLayout(new QVBoxLayout{parent});
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13 this->ui->previewGroupBox->layout()->addWidget(&this->preview);
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14 connect(
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15 this->ui->invert,
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16 &QCheckBox::clicked,
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17 this,
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18 &MultiplyFactorDialog::updatePreview);
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19 connect(
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20 this->ui->factor,
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21 qOverload<double>(&DoubleSpinBox::valueChanged),
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22 this,
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23 &MultiplyFactorDialog::updatePreview);
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24 }
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25
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26 /**
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27 * @brief empty destructor, necessary because std::unique_ptr is used with a forward declaration
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28 */
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29 MultiplyFactorDialog::~MultiplyFactorDialog()
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30 {
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31 }
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32
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33 /**
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34 * @brief Computes the resulting vector
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35 * @return the input vector multiplied by the specified vector
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36 */
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37 glm::vec3 MultiplyFactorDialog::value() const
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38 {
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39 glm::vec3 result = baseVector;
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40 if (this->ui->invert->isChecked())
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41 {
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42 if (qFuzzyIsNull(this->ui->factor->value()))
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43 {
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44 constexpr double infinity = std::numeric_limits<double>::quiet_NaN();
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45 result = {infinity, infinity, infinity};
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46 }
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47 else
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48 {
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49 result /= this->ui->factor->value();
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50 }
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51 }
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52 else
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53 {
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54 result *= this->ui->factor->value();
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55 }
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56 return result;
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57 }
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58
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59 /**
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60 * @brief Makes a string that is prefixed to the factor input.
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61 * @param ui
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62 * @return prefix string
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63 */
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64 QString prefixForFactorInput(const Ui::MultiplyFactorDialog& ui)
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65 {
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66 if (ui.invert->isChecked())
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67 {
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68 return "1 : ";
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69 }
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70 else
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71 {
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72 return "";
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73 }
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74 }
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75
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76 /**
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77 * @brief Makes a string that is suffixed to the factor input.
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78 * @param ui
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79 * @return prefix string
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80 */
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81 QString suffixForFactorInput(const Ui::MultiplyFactorDialog& ui)
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82 {
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83 if (ui.invert->isChecked())
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84 {
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85 // render the actual factor that stuff gets effectively multiplied by
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86 return " = " + QString::number(1.0 / (ui.factor->value()));
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87 }
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88 else
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89 {
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90 return "";
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91 }
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92 }
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93
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94 /**
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95 * @brief Responds to changes in the value and updates previews accordingly
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96 */
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97 void MultiplyFactorDialog::updatePreview()
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98 {
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99 this->ui->factor->setPrefix(::prefixForFactorInput(*this->ui));
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100 this->ui->factor->setSuffix(::suffixForFactorInput(*this->ui));
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101 this->preview.setValue(this->value());
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102 }

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