File indexing completed on 2024-09-15 03:28:21

 /*
     This file is part of Kiten, a KDE Japanese Reference Tool
     SPDX-FileCopyrightText: 2006 Joseph Kerian <jkerian@gmail.com>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 /*
  *    Future Plans:
  *  Build a proper exception handling framework
  */
 
 #include "radselectview.h"
 
 #include "buttongrid.h"
 #include "radselectconfig.h"
 
 #include <KLocalizedString>
 #include <KMessageBox>
 
 #include <QApplication>
 #include <QClipboard>
 #include <QListWidget>
 #include <QPushButton>
 #include <QString>
 
 RadSelectView::RadSelectView(QWidget *parent)
     : QWidget(parent)
 {
     // Setup the ui from the .ui file
     setupUi(this);
     m_radicalInfo = nullptr;
 
     // Load the radical information
     QString radkfilename = QStandardPaths::locate(QStandardPaths::GenericDataLocation, QStringLiteral("kiten/radkfile"));
     if (radkfilename.isNull()) {
         KMessageBox::error(nullptr,
                            i18n("Kanji radical information does not seem to "
                                 "be installed (file kiten/radkfile), this "
                                 "file is required for this app to function."));
     } else {
         QString kanjidicname = QStandardPaths::locate(QStandardPaths::GenericDataLocation, QStringLiteral("kiten/kanjidic"));
         if (kanjidicname.isNull()) {
             KMessageBox::error(nullptr,
                                i18n("Kanji dictionary does not seem to "
                                     "be installed (file kiten/kanjidic), stroke "
                                     "count information will be unavailable."));
             strokes_low->setEnabled(false);
             strokes_high->setEnabled(false);
         }
 
         m_radicalInfo = new RadicalFile(radkfilename, kanjidicname);
     }
 
     // Configure the scrolling area
     m_buttongrid = new ButtonGrid(radical_box, m_radicalInfo);
     radical_box->setWidget(m_buttongrid);
     radical_box->setWidgetResizable(true);
 
     // Configure the stroke selectors
     strokes_low->setSpecialValueText(i18nc("Minimum number of strokes for a kanji", "Min"));
     strokes_high->setSpecialValueText(i18nc("Maximum number of strokes for a kanji", "Max"));
 
     //== Now we connect all our signals ==
     // Connect our radical grid to our adding method
     connect(m_buttongrid, &ButtonGrid::possibleKanji, this, &RadSelectView::listPossibleKanji);
     // Connect the results selection to our logic
     connect(selected_radicals, &QListWidget::itemClicked, this, &RadSelectView::kanjiClicked);
     connect(selected_radicals, &QListWidget::itemDoubleClicked, this, &RadSelectView::kanjiDoubleClicked);
     // Connect our stroke limit actions
     connect(strokes_low, SIGNAL(valueChanged(int)), this, SLOT(strokeLimitChanged(int)));
     connect(strokes_high, SIGNAL(valueChanged(int)), this, SLOT(strokeLimitChanged(int)));
     // Connect statusbar updates
     connect(m_buttongrid, &ButtonGrid::signalChangeStatusbar, this, &RadSelectView::signalChangeStatusbar);
 
     // Connect our clear button
     connect(clear_button, &QAbstractButton::clicked, this, &RadSelectView::clearSearch);
 
     // copy text from copied_line (QLineEdit) to clipboard
     connect(copy_button, &QAbstractButton::clicked, this, &RadSelectView::toClipboard);
 
     loadSettings();
 }
 
 RadSelectView::~RadSelectView()
 {
     delete m_radicalInfo;
 }
 
 void RadSelectView::changedSearch()
 {
     Q_EMIT searchModified();
 }
 
 void RadSelectView::clearSearch()
 {
     m_possibleKanji.clear();
     m_buttongrid->clearSelections();
     selected_radicals->clear();
     strokes_low->setValue(0);
     strokes_high->setValue(0);
 }
 
 void RadSelectView::kanjiClicked(QListWidgetItem *item)
 {
     QString allText = i18nc("@item:inlist all matches should be found", "(ALL)");
     QString finalText;
     if (item->text() == allText) {
         for (QListWidgetItem *listItem : selected_radicals->findItems(QStringLiteral("*"), Qt::MatchWildcard)) {
             if (listItem->text() != allText) {
                 finalText += listItem->text();
             }
         }
     } else {
         finalText = item->text();
     }
 
     QApplication::clipboard()->setText(finalText, QClipboard::Selection);
 }
 
 void RadSelectView::kanjiDoubleClicked(QListWidgetItem *item)
 {
     QString str = copied_line->text();
     int pos = copied_line->cursorPosition();
     str.insert(pos, item->text());
     copied_line->setText(str);
     copied_line->setCursorPosition(pos + 1);
 }
 
 void RadSelectView::listPossibleKanji(const QList<Kanji> &list)
 {
     unsigned int low = strokes_low->value();
     unsigned int high = strokes_high->value();
 
     // Modification of the stroke boxes
     // We want to move the max value to something reasonable...
     // for example, 5 above the current max value so that rollover
     // works nicely. We want to reset to all if the list is empty.
     // And we also don't limit if the current value is higher than
     // max value in the list
     int newMax = 20;
     if (list.count() < 1 || list.last().strokes() < low || list.last().strokes() + 5 < high) {
         newMax = 99;
     } else {
         newMax = list.last().strokes() + 5;
     }
 
     strokes_low->setMaximum(newMax);
     strokes_high->setMaximum(newMax);
     if (high == 0) {
         high = 99;
     }
 
     selected_radicals->clear();
     for (const Kanji &it : list) {
         if (low <= it.strokes() && it.strokes() <= high) {
             new QListWidgetItem((QString)it, selected_radicals);
         }
     }
 
     m_possibleKanji = list;
 
     Q_EMIT searchModified();
 }
 
 void RadSelectView::loadKanji(QString &kanji)
 {
     Q_UNUSED(kanji)
     // TODO: loadKanji method
 }
 
 void RadSelectView::loadRadicals(const QString &radicals, int strokeMin, int strokeMax)
 {
     Q_UNUSED(radicals)
     Q_UNUSED(strokeMin)
     Q_UNUSED(strokeMax)
     // TODO: loadRadicals method
     Q_EMIT searchModified();
 }
 
 void RadSelectView::loadSettings()
 {
     // TODO: Add preferences for what to do on single/double click
     // Suggested options: Lookup in Kiten, Add to Search Bar, Copy to Clipboard
     selected_radicals->setFont(RadSelectConfigSkeleton::self()->resultListFont());
     m_buttongrid->setFont(RadSelectConfigSkeleton::self()->font());
 
     m_buttongrid->setSortByFrequency(RadSelectConfigSkeleton::self()->sortByFrequency());
 }
 
 void RadSelectView::strokeLimitChanged(int newvalue)
 {
     int low = strokes_low->value();
     int high = strokes_high->value();
     if (low > high) {
         if (low == newvalue) {
             strokes_high->setValue(newvalue);
         } else {
             strokes_low->setValue(newvalue);
         }
     }
 
     // This will force reevaluation of the list if it's needed
     QList<Kanji> newList = m_possibleKanji;
     listPossibleKanji(newList);
 }
 
 void RadSelectView::toClipboard()
 {
     QClipboard *cb = QApplication::clipboard();
     cb->setText(copied_line->text(), QClipboard::Clipboard);
     cb->setText(copied_line->text(), QClipboard::Selection);
 }
 
 #include "moc_radselectview.cpp"