qt6windows7/tests/manual/qglyphruns/controller.cpp

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2023-10-30 06:33:08 +08:00
// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "controller.h"
#include "ui_controller.h"
Controller::Controller(QWidget *parent) :
QWidget(parent),
ui(new Ui::Controller)
{
ui->setupUi(this);
connect(ui->cbWrap, &QCheckBox::toggled, this, &Controller::updateViews);
connect(ui->gbRange, &QGroupBox::toggled, this, &Controller::updateViews);
connect(ui->teSourceString, &QPlainTextEdit::textChanged, this, &Controller::updateViews);
connect(ui->hsLineWidth, &QSlider::valueChanged, this, &Controller::updateViews);
connect(ui->inspector, &GlyphRunInspector::updateBounds, ui->view, &View::setVisualizedBounds);
connect(ui->sbFrom, &QSpinBox::valueChanged, this, &Controller::updateViews);
connect(ui->sbTo, &QSpinBox::valueChanged, this, &Controller::updateViews);
connect(ui->teSourceString, &QPlainTextEdit::selectionChanged, this, &Controller::updateRange);
connect(ui->fcbFont, &QFontComboBox::currentFontChanged, this, &Controller::updateViews);
}
Controller::~Controller()
{
delete ui;
}
void Controller::updateRange()
{
if (ui->gbRange->isChecked()) {
QTextCursor cursor = ui->teSourceString->textCursor();
if (cursor.hasSelection()) {
ui->sbFrom->setValue(cursor.selectionStart());
ui->sbTo->setValue(cursor.selectionEnd() - 1);
updateViews();
}
}
}
void Controller::updateViews()
{
QString s = ui->teSourceString->toPlainText();
ui->sbFrom->setMaximum(s.length());
ui->sbTo->setMaximum(s.length());
s.replace('\n', QChar::LineSeparator);
ui->view->updateLayout(s,
qreal(ui->hsLineWidth->value()) * ui->hsLineWidth->width() / 100.0f,
ui->cbWrap ? QTextOption::WrapAtWordBoundaryOrAnywhere : QTextOption::ManualWrap,
ui->fcbFont->currentFont());
int start = ui->gbRange->isChecked() ? ui->sbFrom->value() : -1;
int length = ui->gbRange->isChecked() ? ui->sbTo->value() - start + 1 : -1;
ui->inspector->updateLayout(ui->view->layout(), start, length);
}