Steve Pham
38261d0800
* Updated all copyright headers to split the longer original copyright line into 2 shorter lines Signed-off-by: Steve Pham <spham@amazon.com>
125 lines
3.7 KiB
C++
125 lines
3.7 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#include "ComboBoxPage.h"
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#include <AzQtComponents/Gallery/ui_ComboBoxPage.h>
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#include <AzQtComponents/Components/Widgets/CheckBox.h>
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#include <AzQtComponents/Components/Widgets/ComboBox.h>
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#include <QMenu>
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#include <QCheckBox>
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#include <QLineEdit>
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#include <QStandardItemModel>
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class FirstIsErrorComboBoxValidator
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: public AzQtComponents::ComboBoxValidator
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{
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public:
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QValidator::State validateIndex(int index) const override
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{
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return (index == 0) ? QValidator::Invalid : QValidator::Acceptable;
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}
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};
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ComboBoxPage::ComboBoxPage(QWidget* parent)
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: QWidget(parent)
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, ui(new Ui::ComboBoxPage)
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{
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ui->setupUi(this);
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// Add some sample items to the combo box
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ui->m_data->addItem("Selected value", 0);
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for (int i = 1; i < 5; i++)
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{
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ui->m_data->addItem(QString("Option %1").arg(i), i);
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}
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ui->m_data->setCurrentIndex(0);
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ui->m_disabled->setDisabled(true);
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ui->m_disabled->addItem("Disabled dropdown");
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ui->m_disabled->setCurrentIndex(0);
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// Add a custom validator to the combo box
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auto validator = new FirstIsErrorComboBoxValidator();
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AzQtComponents::ComboBox::setValidator(ui->m_error, validator);
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ui->m_error->addItem(QString("Item 0"));
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ui->m_error->addItem(QString("Item 1"));
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auto* model = new QStandardItemModel(0, 1, this);
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const auto addItem = [model](const QString& text, Qt::CheckState checkState)
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{
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auto* item = new QStandardItem(text);
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item->setCheckable(true);
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item->setCheckState(checkState);
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model->appendRow(item);
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};
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addItem(QStringLiteral("Orange"), Qt::Unchecked);
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addItem(QStringLiteral("Apple"), Qt::Checked);
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addItem(QStringLiteral("Banana"), Qt::PartiallyChecked);
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ui->m_customCheckState->setModel(model);
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AzQtComponents::ComboBox::addCustomCheckStateStyle(ui->m_customCheckState);
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QString exampleText = R"(
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QComboBox docs: <a href="http://doc.qt.io/qt-5/qcombobox.html">http://doc.qt.io/qt-5/qcombobox.html</a><br/>
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<pre>
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#include <QComboBox>
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#include <QDebug>
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QCombBox* comboBox;
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// Assuming you've created a comboBox already (either in code or via .ui file):
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// Add items to a combo box
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comboBox->addItem("Selected value", 0);
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for (int i = 1; i < 5; i++)
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{
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comboBox->addItem(QString("Option %1").arg(i), i);
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}
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// set placeholder text, visible when the selected item is empty or when the user is editing and has deleted all text
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comboBox->setEditable(true); // must make it editable first!
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comboBox->lineEdit()->setPlaceholderText("Hint Text");
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// NOTE: if a QComboBox is set to allow editing (setEditable(true)) then the user can enter new items that will be added to the drop down
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// list each time the user hits the enter key.
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// Only use this feature if you intend to allow the user to add new items to the list.
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// disable the combo box
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comboBox->setDisabled(true);
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// set the current index
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comboBox->setCurrentIndex(0);
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// listen for changes (need to static cast the currentIndexChanged signal, because there are both int and QString versions)
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connect(comboBox, static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, [this](int newIndex) {
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qDebug() << QString("New selection: %1").arg(newIndex);
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});
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// listen for text changes
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connect(comboBox, &QComboBox::currentTextChanged), this, [this, combo](const QString& newText) {
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qDebug() << QString("New text in combo box: %1").arg(newText);
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});
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</pre>
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)";
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ui->exampleText->setHtml(exampleText);
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}
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ComboBoxPage::~ComboBoxPage()
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{
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}
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#include "Gallery/moc_ComboBoxPage.cpp"
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