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suyu/src/yuzu/util/limitable_input_dialog.cpp
Kewlan 058196a089 limitable_input_dialog: Implement character limiter
When using GetText() you can now choose what set of characters the user can't enter.
2021-06-06 09:07:55 +02:00

91 lines
3 KiB
C++

// Copyright 2018 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <QDialogButtonBox>
#include <QLabel>
#include <QLineEdit>
#include <QPushButton>
#include <QVBoxLayout>
#include "yuzu/util/limitable_input_dialog.h"
LimitableInputDialog::LimitableInputDialog(QWidget* parent) : QDialog{parent} {
CreateUI();
ConnectEvents();
}
LimitableInputDialog::~LimitableInputDialog() = default;
void LimitableInputDialog::CreateUI() {
setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
text_label = new QLabel(this);
text_entry = new QLineEdit(this);
text_label_invalid = new QLabel(this);
buttons = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel, this);
auto* const layout = new QVBoxLayout;
layout->addWidget(text_label);
layout->addWidget(text_entry);
layout->addWidget(text_label_invalid);
layout->addWidget(buttons);
setLayout(layout);
}
void LimitableInputDialog::ConnectEvents() {
connect(buttons, &QDialogButtonBox::accepted, this, &QDialog::accept);
connect(buttons, &QDialogButtonBox::rejected, this, &QDialog::reject);
}
QString LimitableInputDialog::GetText(QWidget* parent, const QString& title, const QString& text,
int min_character_limit, int max_character_limit,
InputLimiter limit_type) {
Q_ASSERT(min_character_limit <= max_character_limit);
LimitableInputDialog dialog{parent};
dialog.setWindowTitle(title);
dialog.text_label->setText(text);
dialog.text_entry->setMaxLength(max_character_limit);
dialog.text_label_invalid->show();
switch (limit_type) {
case InputLimiter::Filesystem:
dialog.invalid_characters = QStringLiteral("<>:;\"/\\|,.!?*");
break;
default:
dialog.invalid_characters.clear();
dialog.text_label_invalid->hide();
break;
}
dialog.text_label_invalid->setText(
tr("The text can't contain any of the following characters:\n%1")
.arg(dialog.invalid_characters));
auto* const ok_button = dialog.buttons->button(QDialogButtonBox::Ok);
ok_button->setEnabled(false);
connect(dialog.text_entry, &QLineEdit::textEdited, [&] {
if (!dialog.invalid_characters.isEmpty()) {
dialog.RemoveInvalidCharacters();
}
ok_button->setEnabled(dialog.text_entry->text().length() >= min_character_limit);
});
if (dialog.exec() != QDialog::Accepted) {
return {};
}
return dialog.text_entry->text();
}
void LimitableInputDialog::RemoveInvalidCharacters() {
auto cpos = text_entry->cursorPosition();
for (int i = 0; i < text_entry->text().length(); i++) {
if (invalid_characters.contains(text_entry->text().at(i))) {
text_entry->setText(text_entry->text().remove(i, 1));
i--;
cpos--;
}
}
text_entry->setCursorPosition(cpos);
}