find and replace dialog

This commit is contained in:
2026-02-02 00:02:43 +08:00
parent 5f8aa70827
commit e1c55eae84
6 changed files with 1058 additions and 5 deletions

325
findreplacedialog.cpp Normal file
View File

@@ -0,0 +1,325 @@
#include "findreplacedialog.h"
#include "ui_findreplacedialog.h"
#include <QCheckBox>
#include <QCloseEvent>
#include <QComboBox>
#include <QLineEdit>
#include <QPushButton>
#include <QTabWidget>
static QString decodeExtended(const QString &s)
{
QString out;
out.reserve(s.size());
for (int i = 0; i < s.size(); ++i) {
const QChar c = s.at(i);
if (c != QLatin1Char('\\') || i + 1 >= s.size()) {
out.append(c);
continue;
}
const QChar n = s.at(i + 1);
if (n == QLatin1Char('n')) {
out.append(QLatin1Char('\n'));
++i;
} else if (n == QLatin1Char('r')) {
out.append(QLatin1Char('\r'));
++i;
} else if (n == QLatin1Char('t')) {
out.append(QLatin1Char('\t'));
++i;
} else if (n == QLatin1Char('\\')) {
out.append(QLatin1Char('\\'));
++i;
} else if (n == QLatin1Char('0')) {
out.append(QChar(0));
++i;
} else if (n == QLatin1Char('x') && i + 3 < s.size()) {
bool ok = false;
const QString hex = s.mid(i + 2, 2);
const int code = hex.toInt(&ok, 16);
if (ok) {
out.append(QChar(code));
i += 3;
} else {
out.append(c);
}
} else {
out.append(n);
++i;
}
}
return out;
}
FindReplaceDialog::FindReplaceDialog(QWidget *parent)
: QDialog(parent)
, ui(new Ui::FindReplaceDialog)
{
ui->setupUi(this);
setModal(false);
setWindowFlags(windowFlags() | Qt::Tool);
initCombos();
initModeCombos();
initSync();
connect(ui->tabWidget, &QTabWidget::currentChanged, this, [this](int index) {
Q_UNUSED(index)
if (ui->tabWidget->currentWidget() == ui->findTab) {
syncFromReplaceTab();
} else {
syncFromFindTab();
}
});
connect(ui->findNextBtnFind, &QPushButton::clicked, this, [this]() {
commitHistory();
emit findRequested(true);
});
connect(ui->findPrevBtnFind, &QPushButton::clicked, this, [this]() {
commitHistory();
emit findRequested(false);
});
connect(ui->closeBtnFind, &QPushButton::clicked, this, &QDialog::hide);
connect(ui->findNextBtnReplace, &QPushButton::clicked, this, [this]() {
commitHistory();
emit findRequested(true);
});
connect(ui->replaceBtn, &QPushButton::clicked, this, [this]() {
commitHistory();
emit replaceRequested();
});
connect(ui->replaceAllBtn, &QPushButton::clicked, this, [this]() {
commitHistory();
emit replaceAllRequested();
});
connect(ui->closeBtnReplace, &QPushButton::clicked, this, &QDialog::hide);
resize(520, sizeHint().height());
}
FindReplaceDialog::~FindReplaceDialog()
{
delete ui;
}
void FindReplaceDialog::initCombos()
{
ui->findWhatComboFind->setInsertPolicy(QComboBox::NoInsert);
ui->findWhatComboReplace->setInsertPolicy(QComboBox::NoInsert);
ui->replaceWithComboReplace->setInsertPolicy(QComboBox::NoInsert);
}
void FindReplaceDialog::initModeCombos()
{
ui->modeComboFind->addItem(QStringLiteral("Normal"), QVariant::fromValue(static_cast<int>(SearchMode::Normal)));
ui->modeComboFind->addItem(QStringLiteral("Extended (\\n, \\r, \\t, \\0, \\xNN)"), QVariant::fromValue(static_cast<int>(SearchMode::Extended)));
ui->modeComboFind->addItem(QStringLiteral("Regular expression"), QVariant::fromValue(static_cast<int>(SearchMode::Regex)));
ui->modeComboReplace->addItem(QStringLiteral("Normal"), QVariant::fromValue(static_cast<int>(SearchMode::Normal)));
ui->modeComboReplace->addItem(QStringLiteral("Extended (\\n, \\r, \\t, \\0, \\xNN)"), QVariant::fromValue(static_cast<int>(SearchMode::Extended)));
ui->modeComboReplace->addItem(QStringLiteral("Regular expression"), QVariant::fromValue(static_cast<int>(SearchMode::Regex)));
}
void FindReplaceDialog::initSync()
{
if (ui->findWhatComboFind->lineEdit()) {
connect(ui->findWhatComboFind->lineEdit(), &QLineEdit::textEdited, this, [this]() { syncFromFindTab(); });
}
connect(ui->matchCaseCheckFind, &QCheckBox::toggled, this, [this]() { syncFromFindTab(); });
connect(ui->wholeWordCheckFind, &QCheckBox::toggled, this, [this]() { syncFromFindTab(); });
connect(ui->wrapAroundCheckFind, &QCheckBox::toggled, this, [this]() { syncFromFindTab(); });
connect(ui->inSelectionCheckFind, &QCheckBox::toggled, this, [this]() { syncFromFindTab(); });
connect(ui->modeComboFind, &QComboBox::currentIndexChanged, this, [this](int) { syncFromFindTab(); });
if (ui->findWhatComboReplace->lineEdit()) {
connect(ui->findWhatComboReplace->lineEdit(), &QLineEdit::textEdited, this, [this]() { syncFromReplaceTab(); });
}
if (ui->replaceWithComboReplace->lineEdit()) {
connect(ui->replaceWithComboReplace->lineEdit(), &QLineEdit::textEdited, this, [this]() { syncFromReplaceTab(); });
}
connect(ui->matchCaseCheckReplace, &QCheckBox::toggled, this, [this]() { syncFromReplaceTab(); });
connect(ui->wholeWordCheckReplace, &QCheckBox::toggled, this, [this]() { syncFromReplaceTab(); });
connect(ui->wrapAroundCheckReplace, &QCheckBox::toggled, this, [this]() { syncFromReplaceTab(); });
connect(ui->inSelectionCheckReplace, &QCheckBox::toggled, this, [this]() { syncFromReplaceTab(); });
connect(ui->modeComboReplace, &QComboBox::currentIndexChanged, this, [this](int) { syncFromReplaceTab(); });
syncFromFindTab();
}
void FindReplaceDialog::syncFromFindTab()
{
if (m_syncing) {
return;
}
m_syncing = true;
ui->findWhatComboReplace->setCurrentText(ui->findWhatComboFind->currentText());
ui->matchCaseCheckReplace->setChecked(ui->matchCaseCheckFind->isChecked());
ui->wholeWordCheckReplace->setChecked(ui->wholeWordCheckFind->isChecked());
ui->wrapAroundCheckReplace->setChecked(ui->wrapAroundCheckFind->isChecked());
ui->inSelectionCheckReplace->setChecked(ui->inSelectionCheckFind->isChecked());
ui->modeComboReplace->setCurrentIndex(ui->modeComboFind->currentIndex());
m_syncing = false;
}
void FindReplaceDialog::syncFromReplaceTab()
{
if (m_syncing) {
return;
}
m_syncing = true;
ui->findWhatComboFind->setCurrentText(ui->findWhatComboReplace->currentText());
ui->matchCaseCheckFind->setChecked(ui->matchCaseCheckReplace->isChecked());
ui->wholeWordCheckFind->setChecked(ui->wholeWordCheckReplace->isChecked());
ui->wrapAroundCheckFind->setChecked(ui->wrapAroundCheckReplace->isChecked());
ui->inSelectionCheckFind->setChecked(ui->inSelectionCheckReplace->isChecked());
ui->modeComboFind->setCurrentIndex(ui->modeComboReplace->currentIndex());
m_syncing = false;
}
void FindReplaceDialog::openFind()
{
ui->tabWidget->setCurrentWidget(ui->findTab);
show();
raise();
activateWindow();
ui->findWhatComboFind->setFocus();
if (ui->findWhatComboFind->lineEdit()) {
ui->findWhatComboFind->lineEdit()->selectAll();
}
}
void FindReplaceDialog::openReplace()
{
ui->tabWidget->setCurrentWidget(ui->replaceTab);
show();
raise();
activateWindow();
ui->findWhatComboReplace->setFocus();
if (ui->findWhatComboReplace->lineEdit()) {
ui->findWhatComboReplace->lineEdit()->selectAll();
}
}
QString FindReplaceDialog::findText() const
{
if (ui->tabWidget->currentWidget() == ui->replaceTab) {
return ui->findWhatComboReplace->currentText();
}
return ui->findWhatComboFind->currentText();
}
QString FindReplaceDialog::replaceText() const
{
return ui->replaceWithComboReplace->currentText();
}
QString FindReplaceDialog::findTextForSearch() const
{
const QString raw = findText();
if (searchMode() == SearchMode::Extended) {
return decodeExtended(raw);
}
return raw;
}
QString FindReplaceDialog::replaceTextForReplace() const
{
const QString raw = replaceText();
if (searchMode() == SearchMode::Extended) {
return decodeExtended(raw);
}
return raw;
}
bool FindReplaceDialog::matchCase() const
{
if (ui->tabWidget->currentWidget() == ui->replaceTab) {
return ui->matchCaseCheckReplace->isChecked();
}
return ui->matchCaseCheckFind->isChecked();
}
bool FindReplaceDialog::wholeWord() const
{
if (ui->tabWidget->currentWidget() == ui->replaceTab) {
return ui->wholeWordCheckReplace->isChecked();
}
return ui->wholeWordCheckFind->isChecked();
}
bool FindReplaceDialog::wrapAround() const
{
if (ui->tabWidget->currentWidget() == ui->replaceTab) {
return ui->wrapAroundCheckReplace->isChecked();
}
return ui->wrapAroundCheckFind->isChecked();
}
bool FindReplaceDialog::inSelection() const
{
if (ui->tabWidget->currentWidget() == ui->replaceTab) {
return ui->inSelectionCheckReplace->isChecked();
}
return ui->inSelectionCheckFind->isChecked();
}
SearchMode FindReplaceDialog::searchMode() const
{
const int v = (ui->tabWidget->currentWidget() == ui->replaceTab) ? ui->modeComboReplace->currentData().toInt()
: ui->modeComboFind->currentData().toInt();
return static_cast<SearchMode>(v);
}
void FindReplaceDialog::setFindTextIfNotEmpty(const QString &text)
{
if (text.isEmpty()) {
return;
}
ui->findWhatComboFind->setCurrentText(text);
ui->findWhatComboReplace->setCurrentText(text);
if (ui->tabWidget->currentWidget() == ui->replaceTab) {
if (ui->findWhatComboReplace->lineEdit()) {
ui->findWhatComboReplace->lineEdit()->selectAll();
}
} else {
if (ui->findWhatComboFind->lineEdit()) {
ui->findWhatComboFind->lineEdit()->selectAll();
}
}
}
void FindReplaceDialog::commitHistory()
{
const auto commit = [](QComboBox *combo) {
const QString v = combo->currentText();
if (v.isEmpty()) {
return;
}
const int idx = combo->findText(v);
if (idx >= 0) {
combo->removeItem(idx);
}
combo->insertItem(0, v);
combo->setCurrentIndex(0);
while (combo->count() > 20) {
combo->removeItem(combo->count() - 1);
}
};
commit(ui->findWhatComboFind);
commit(ui->findWhatComboReplace);
commit(ui->replaceWithComboReplace);
}
void FindReplaceDialog::closeEvent(QCloseEvent *event)
{
hide();
event->ignore();
}