mirror of
https://bitbucket.org/smil3y/kde-playground.git
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117 lines
3.7 KiB
C++
117 lines
3.7 KiB
C++
/*
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Copyright (c) 2013, 2014 Montel Laurent <montel@kde.org>
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License, version 2, as
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published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "grantleeplaintexteditor.h"
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#include <kpimtextedit/htmlhighlighter.h>
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#include <QStringListModel>
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#include <QCompleter>
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#include <QKeyEvent>
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#include <QScrollBar>
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using namespace GrantleeThemeEditor;
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GrantleePlainTextEditor::GrantleePlainTextEditor(QWidget *parent)
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: PimCommon::PlainTextEditor(parent)
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{
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mHtmlHighlighter = new KPIMTextEdit::HtmlHighlighter(document());
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setSpellCheckingSupport(false);
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initCompleter();
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}
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GrantleePlainTextEditor::~GrantleePlainTextEditor()
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{
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}
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void GrantleePlainTextEditor::initCompleter()
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{
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mCompleter = new QCompleter( this );
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mCompleter->setModelSorting( QCompleter::CaseSensitivelySortedModel );
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mCompleter->setCaseSensitivity( Qt::CaseInsensitive );
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mCompleter->setWidget( this );
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mCompleter->setCompletionMode( QCompleter::PopupCompletion );
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connect( mCompleter, SIGNAL(activated(QString)), this, SLOT(slotInsertCompletion(QString)) );
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}
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void GrantleePlainTextEditor::createCompleterList(const QStringList &extraCompletion)
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{
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QStringList listWord;
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listWord << extraCompletion;
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mCompleter->setModel( new QStringListModel( listWord, mCompleter ) );
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}
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void GrantleePlainTextEditor::slotInsertCompletion( const QString &completion )
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{
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QTextCursor tc = textCursor();
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const int extra = completion.length() - mCompleter->completionPrefix().length();
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tc.movePosition(QTextCursor::Left);
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tc.movePosition(QTextCursor::EndOfWord);
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tc.insertText(completion.right(extra));
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setTextCursor(tc);
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}
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void GrantleePlainTextEditor::keyPressEvent(QKeyEvent* e)
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{
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if ( mCompleter->popup()->isVisible() ) {
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switch (e->key()) {
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case Qt::Key_Enter:
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case Qt::Key_Return:
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case Qt::Key_Escape:
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case Qt::Key_Tab:
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case Qt::Key_Backtab:
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e->ignore();
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return; // let the completer do default behavior
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default:
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break;
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}
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}
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PimCommon::PlainTextEditor::keyPressEvent(e);
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const QString text = wordUnderCursor();
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if ( text.length() < 2 ) // min 2 char for completion
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return;
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mCompleter->setCompletionPrefix( text );
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QRect cr = cursorRect();
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cr.setWidth( mCompleter->popup()->sizeHintForColumn(0)
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+ mCompleter->popup()->verticalScrollBar()->sizeHint().width() );
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mCompleter->complete( cr );
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}
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QString GrantleePlainTextEditor::wordUnderCursor() const
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{
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static QString eow = QLatin1String( "~!@#$%^&*()+{}|\"<>,./;'[]\\-= " ); // everything without ':', '?' and '_'
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QTextCursor tc = textCursor();
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tc.anchor();
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while( 1 ) {
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// vHanda: I don't understand why the cursor seems to give a pos 1 past the last char instead
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// of just the last char.
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int pos = tc.position() - 1;
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if ( pos < 0 || eow.contains( document()->characterAt(pos) )
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|| document()->characterAt(pos) == QChar(QChar::LineSeparator)
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|| document()->characterAt(pos) == QChar(QChar::ParagraphSeparator))
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break;
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tc.movePosition( QTextCursor::Left, QTextCursor::KeepAnchor );
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}
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return tc.selectedText();
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}
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