src/widgets/colorselectdialog.cpp

Sun, 25 Jul 2021 16:29:08 +0300

author
Teemu Piippo <teemu@hecknology.net>
date
Sun, 25 Jul 2021 16:29:08 +0300
changeset 110
d922431eacf7
parent 94
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child 115
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permissions
-rw-r--r--

stuff

94
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1 #include <QColorDialog>
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2 #include <QTableView>
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3 #include "colorselectdialog.h"
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4 #include "ui_colorselectdialog.h"
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5
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6 ColorSelectDialog::ColorSelectDialog(const ldraw::ColorTable& colorTable, QWidget *parent) :
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7 QDialog{parent},
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8 ui{*new Ui_ColorSelectDialog},
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9 colorTable{colorTable}
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10 {
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11 this->ui.setupUi(this);
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12 this->makeColorButtons();
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13 connect(this->ui.filter, &QLineEdit::textEdited, this, &ColorSelectDialog::populateColors);
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14 this->updateSelectedColorTexts();
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15 connect(this->ui.colorIndex, qOverload<int>(&QSpinBox::valueChanged), this, &ColorSelectDialog::spinboxEdited);
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16 connect(this->ui.directColorButton, &QPushButton::clicked, this, &ColorSelectDialog::chooseDirectColor);
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17 connect(this->ui.buttonBox, &QDialogButtonBox::accepted, this, &QDialog::accept);
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18 connect(this->ui.buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
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19 this->populateColors();
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20 }
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21
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22 ColorSelectDialog::~ColorSelectDialog()
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23 {
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24 delete &this->ui;
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25 }
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26
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27 ldraw::Color colorFromButton(QAbstractButton* button)
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28 {
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29 return {button->property("_colorIndex").value<qint32>()};
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30 }
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31
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32 QString styleSheetForColor(const QColor& color)
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33 {
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34 QColor const textColor = (luma(color) < 0.4) ? Qt::white : Qt::black;
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35 return QString{"background-color: %1; color: %2;"}
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36 .arg(color.name())
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37 .arg(textColor.name());
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38 }
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39
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40 void ColorSelectDialog::makeColorButtons()
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41 {
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42 this->buttons.reserve(this->colorTable.size());
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43 for (
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44 auto iterator = std::begin(this->colorTable);
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45 iterator != std::end(this->colorTable);
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46 ++iterator
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47 ) {
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48 const qint32 index = iterator->first;
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49 const ldraw::ColorTable::ColorDefinition& colordef = iterator->second;
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50 QPushButton* const button = new QPushButton{QString::number(index), this};
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51 button->setToolTip(colordef.displayName);
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52 button->setStyleSheet(styleSheetForColor(colordef.faceColor));
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53 button->setProperty("_colorIndex", index);
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54 button->setCheckable(true);
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55 connect(button, &QAbstractButton::clicked, this, &ColorSelectDialog::handleButtonClick);
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56 this->buttons.push_back(button);
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57 }
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58 std::sort(
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59 std::begin(this->buttons),
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60 std::end(this->buttons),
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61 [](QAbstractButton* button_1, QAbstractButton* button_2)
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62 {
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63 return colorFromButton(button_1) < colorFromButton(button_2);
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64 }
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65 );
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66 }
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67
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68 void ColorSelectDialog::populateColors()
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69 {
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70 delete this->ui.colorFrame->layout();
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71 if (this->buttons.size() > 0)
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72 {
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73 QGridLayout* gridLayout = new QGridLayout{};
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74 this->ui.colorFrame->setLayout(gridLayout);
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75 const int columnsPerRow = 8;
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76 int i = 0;
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77 for (
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78 auto iterator = std::begin(this->buttons);
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79 iterator != std::end(this->buttons);
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80 ++iterator
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81 ) {
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82 QPushButton* const button = *iterator;
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83 const bool filtered = this->filterColor(colorFromButton(button));
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84 button->setVisible(filtered);
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85 if (filtered)
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86 {
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87 const int row = i / columnsPerRow;
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88 const int column = i % columnsPerRow;
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89 gridLayout->addWidget(button, row, column);
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90 i += 1;
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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
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96 void ColorSelectDialog::updateSelectedColorTexts()
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97 {
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98 if (ldraw::isDirectColor(this->selectedColor))
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99 {
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100 this->ui.selectedColorName->setText(ldraw::directColorFace(this->selectedColor).name());
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101 }
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102 else
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103 {
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104 const ldraw::ColorTable::ColorDefinition& colordef = this->colorTable[this->selectedColor];
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105 this->ui.selectedColorName->setText(colordef.displayName);
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106 }
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107 this->ui.selectedColorName->setStyleSheet(styleSheetForColor(ldraw::colorFace(this->selectedColor, this->colorTable)));
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108 this->ui.colorIndex->setValue(this->selectedColor.index);
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109 for (QPushButton* button : this->buttons)
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110 {
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111 ldraw::Color buttonColor = colorFromButton(button);
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112 button->setChecked(buttonColor == this->selectedColor);
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113 }
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114 }
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115
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116 void ColorSelectDialog::handleButtonClick()
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117 {
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118 QAbstractButton* button = qobject_cast<QAbstractButton*>(this->sender());
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119 if (button != nullptr)
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120 {
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121 this->setCurrentColor(colorFromButton(button));
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122 }
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123 }
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124
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125 void ColorSelectDialog::spinboxEdited()
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126 {
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127 this->setCurrentColor(ldraw::Color{this->ui.colorIndex->value()});
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128 }
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129
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130 void ColorSelectDialog::chooseDirectColor()
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131 {
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132 QColorDialog dialog;
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133 dialog.setCurrentColor(ldraw::colorFace(this->selectedColor, this->colorTable));
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134 if (dialog.exec())
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135 {
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136 this->setCurrentColor(ldraw::directColor(dialog.selectedColor()));
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137 }
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138 }
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139
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140 bool ColorSelectDialog::filterColor(ldraw::Color color) const
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141 {
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142 const QString& filterText = this->ui.filter->text();
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143 if (filterText.isEmpty())
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144 {
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145 return true;
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146 }
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147 else
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148 {
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149 const ldraw::ColorTable::ColorDefinition& colordef = this->colorTable[color];
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150 return colordef.displayName.contains(filterText, Qt::CaseInsensitive);
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151 }
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152 }
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153
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154 void ColorSelectDialog::setCurrentColor(ldraw::Color color)
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155 {
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156 this->selectedColor = color;
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157 this->updateSelectedColorTexts();
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158 }

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