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#include "finddialog.h"
#include "./ui_finddialog.h"
#include <QTimer>
#include <QDebug>
FindDialog::FindDialog(QWidget* parent)
: QDialog(parent, Qt::Tool), ui(new Ui::FindDialog)
{
ui->setupUi(this);
}
FindDialog::~FindDialog() {
delete last_search;
delete ui;
}
void FindDialog::on_buttonSearchPrev_clicked() {
if (--selected_match < 0) {
selected_match = total_matches - 1;
ui->statusLabel->setText(tr("Reached top, continued from bottom."));
} else update_status();
select_match();
}
void FindDialog::on_buttonSearchNext_clicked() {
if (++selected_match >= total_matches) {
selected_match = 0;
ui->statusLabel->setText(tr("Reached bottom, continued from top."));
} else update_status();
select_match();
}
// Update the textbox in the main window and search after 400 ms of no typing
void FindDialog::on_textInputSearch_textEdited(const QString &text) {
emit search_text_changed(text);
static QTimer* differed_search = new QTimer(this);
if (static bool timer_init_done = false; not timer_init_done) {
differed_search->setTimerType(Qt::CoarseTimer);
differed_search->setSingleShot(true);
differed_search->setInterval(400);
connect(differed_search, &QTimer::timeout, this, &FindDialog::run_search);
timer_init_done = true;
}
differed_search->start();
}
void FindDialog::set_search_text(const QString &text, bool search_immediately) {
ui->textInputSearch->setText(text);
if (search_immediately) init_search();
else on_textInputSearch_textEdited(text);
}
void FindDialog::force_research() {
init_search(true);
}
inline void FindDialog::run_search() {
init_search();
}
void FindDialog::on_hSlider_valueChanged(int value) {
selected_match = value;
update_status();
select_match();
}
void FindDialog::on_spinBox_valueChanged(int value) {
// Avoids repeatedly changing the selected_match as the valueChanged signal is a notifier for the spin box's value
if (not value_changed_processed) {
selected_match = value - 1;
update_status();
select_match();
}
value_changed_processed = false;
}
void FindDialog::set_qlist_widget(QListWidget* widget) {
list_widget = widget;
}
// Start a new search only if the search text input has changed
void FindDialog::init_search(bool force) {
QString current_search = ui->textInputSearch->text();
if (not force and (*last_search == current_search or not list_widget)) return;
matches = list_widget->findItems(current_search, Qt::MatchContains);
*last_search = current_search;
selected_match = 0;
total_matches = matches.size();
if (total_matches > 0) {
ui->hSlider->setEnabled(true);
ui->spinBox->setEnabled(true);
ui->buttonSearchPrev->setEnabled(true);
ui->buttonSearchNext->setEnabled(true);
} else {
ui->spinBox->setEnabled(false);
ui->hSlider->setEnabled(false);
ui->buttonSearchPrev->setEnabled(false);
ui->buttonSearchNext->setEnabled(false);
}
// Set the minimum as when there are no matches, the widget would return out of range index values to having an out of range minimum.
ui->hSlider->setMinimum(0);
ui->spinBox->setMinimum(1);
ui->hSlider->setMaximum(total_matches - 1);
ui->spinBox->setMaximum(total_matches);
select_match();
update_status();
}
// Activate the match requested by the user
void FindDialog::select_match() {
if (list_widget and total_matches != 0 and selected_match >= 0) {
list_widget->scrollToItem(matches[selected_match], QAbstractItemView::EnsureVisible);
list_widget->setCurrentItem(matches[selected_match]);
emit item_selected(matches[selected_match]);
}
// Best place to update these sliders as select_match is always called by each input
ui->hSlider->setValue(selected_match);
ui->spinBox->setValue(selected_match + 1);
value_changed_processed = true;
}
// Update the status line with current search information
void FindDialog::update_status() {
if (total_matches > 0) {
ui->statusLabel->setText(tr("Search result %1 out of %2.")
.arg(selected_match+1)
.arg(total_matches));
} else ui->statusLabel->setText(tr("No search results."));
}
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