File indexing completed on 2024-04-28 04:55:38

 /*
     This file is part of Choqok, the KDE micro-blogging client
 
     SPDX-FileCopyrightText: 2010-2012 Mehrdad Momeny <mehrdad.momeny@gmail.com>
 
     SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 */
 
 #include "twitterapitextedit.h"
 
 #include <QAbstractItemView>
 #include <QKeyEvent>
 #include <QScrollBar>
 
 #include <KIO/Job>
 
 #include "urlutils.h"
 
 #include "twitterapiaccount.h"
 #include "twitterapidebug.h"
 
 class TwitterApiTextEdit::Private
 {
 public:
     Private(Choqok::Account *theAccount)
         : acc(theAccount), c(nullptr)
     {}
     Choqok::Account *acc;
     QCompleter *c;
 };
 
 TwitterApiTextEdit::TwitterApiTextEdit(Choqok::Account *theAccount, QWidget *parent)
     : TextEdit(theAccount->postCharLimit(), parent), d(new Private(theAccount))
 {
     qCDebug(CHOQOK);
     setTabChangesFocus(false);
 }
 
 TwitterApiTextEdit::~TwitterApiTextEdit()
 {
     delete d;
 }
 
 void TwitterApiTextEdit::setCompleter(QCompleter *completer)
 {
     if (d->c) {
         QObject::disconnect(d->c, nullptr, this, nullptr);
     }
 
     d->c = completer;
 
     if (!d->c) {
         return;
     }
 
     d->c->setWidget(this);
     d->c->setCompletionMode(QCompleter::PopupCompletion);
     d->c->setCaseSensitivity(Qt::CaseInsensitive);
     connect(d->c, (void (QCompleter::*)(const QString&))&QCompleter::activated,
                      this, &TwitterApiTextEdit::insertCompletion);
 }
 
 QCompleter *TwitterApiTextEdit::completer() const
 {
     return d->c;
 }
 
 void TwitterApiTextEdit::insertCompletion(const QString &completion)
 {
     if (d->c->widget() != this) {
         return;
     }
     QString textToInsert = completion + QLatin1Char(' ');
     QTextCursor tc = textCursor();
     tc.movePosition(QTextCursor::EndOfWord);
     tc.select(QTextCursor::WordUnderCursor);
     bool startWithAt = toPlainText()[tc.selectionStart() - 1] != QLatin1Char('@');
     if (startWithAt) {
         textToInsert.prepend(QLatin1Char('@'));
     }
     tc.insertText(textToInsert);
     setTextCursor(tc);
 }
 
 // QString TwitterApiTextEdit::textUnderCursor() const
 // {
 //     QTextCursor tc = textCursor();
 //     tc.select(QTextCursor::WordUnderCursor);
 //     return tc.selectedText();
 // }
 
 void TwitterApiTextEdit::focusInEvent(QFocusEvent *e)
 {
     if (d->c) {
         d->c->setWidget(this);
     }
     KTextEdit::focusInEvent(e);
 }
 
 void TwitterApiTextEdit::keyPressEvent(QKeyEvent *e)
 {
     if (d->c && d->c->popup()->isVisible()) {
         // The following keys are forwarded by the completer to the widget
         switch (e->key()) {
         case Qt::Key_Enter:
         case Qt::Key_Return:
         case Qt::Key_Escape:
 //             case Qt::Key_Backtab:
             e->ignore();
             return; // let the completer do default behavior
         default:
 //                 Choqok::UI::TextEdit::keyPressEvent(e);
             break;
         }
     } else if (e->text().isEmpty()) {
         Choqok::UI::TextEdit::keyPressEvent(e);
         return;
     }
     if (e->key() == Qt::Key_Tab) {
         e->ignore();
         return;
     }
 //     bool isShortcut = ((e->modifiers() & Qt::ControlModifier) && e->key() == Qt::Key_Space); // CTRL+E
 //     if (!d->c )// || !isShortcut) // don't process the shortcut when we have a completer
     Choqok::UI::TextEdit::keyPressEvent(e);
 
     const bool ctrlOrShift = e->modifiers() & (Qt::ControlModifier | Qt::ShiftModifier | Qt::AltModifier |
                              Qt::MetaModifier);
     if (!d->c || (ctrlOrShift && e->text().isEmpty())) {
         return;
     }
 
     static QString eow(QLatin1String("~!@#$%^&*()+{}|:\"<>?,./;'[]\\-= ")); // end of word
 //     bool hasModifier = (e->modifiers() != Qt::NoModifier) && !ctrlOrShift;
     //Implemented internally to get the char before selection :D
     QTextCursor tc = textCursor();
     tc.select(QTextCursor::WordUnderCursor);
     QString completionPrefix = tc.selectedText();
     QChar charBeforeSelection;
     if (completionPrefix.startsWith(QLatin1Char('@'))) {
         charBeforeSelection = completionPrefix.at(0);
         completionPrefix.remove(0, 1);
     } else {
         if (!toPlainText().isEmpty() && tc.selectionStart() > 0) {
             charBeforeSelection = toPlainText()[tc.selectionStart() - 1];
         }
     }
 
     if (!e->text().isEmpty() && (eow.contains(e->text().right(1)) || completionPrefix.length() < 1 ||
                                  charBeforeSelection != QLatin1Char('@'))) {
         d->c->popup()->hide();
         return;
     } else if ((e->key() != Qt::Key_Enter) && (e->key() != Qt::Key_Return)) {
         if (textCursor().selectedText().length() &&
                 textCursor().selectedText() != completionPrefix) {
             return;
         }
 
         if (completionPrefix != d->c->completionPrefix()) {
             d->c->setCompletionPrefix(completionPrefix);
             d->c->popup()->setCurrentIndex(d->c->completionModel()->index(0, 0));
         }
         QRect cr = cursorRect();
         cr.setWidth(d->c->popup()->sizeHintForColumn(0)
                     + d->c->popup()->verticalScrollBar()->sizeHint().width());
         d->c->complete(cr); // popup it up!
     }
 }
 
 #include "moc_twitterapitextedit.cpp"