qt-creator/src/plugins/texteditor/snippets/snippeteditor.cpp

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#include "snippeteditor.h"

#include <texteditor/basetextdocument.h>
#include <texteditor/texteditorconstants.h>

#include <QFocusEvent>

using namespace TextEditor;

/*!
    \class TextEditor::SnippetEditorWidget
    \brief The SnippetEditorWidget class is a lightweight editor for code snippets
    with basic support for syntax highlighting, indentation, and others.
    \ingroup Snippets
*/

SnippetEditor::SnippetEditor()
{
    setContext(Core::Context(Constants::SNIPPET_EDITOR_ID, Constants::C_TEXTEDITOR));
}

SnippetEditorWidget::SnippetEditorWidget(QWidget *parent)
    : BaseTextEditorWidget(parent)
{
    BaseTextDocumentPtr doc(new BaseTextDocument);
    doc->setId(Constants::SNIPPET_EDITOR_ID);
    setTextDocument(doc);
    setFrameStyle(QFrame::StyledPanel | QFrame::Sunken);
    setHighlightCurrentLine(false);
    setLineNumbersVisible(false);
    setParenthesesMatchingEnabled(true);
}

void SnippetEditorWidget::setSyntaxHighlighter(TextEditor::SyntaxHighlighter *highlighter)
{
    textDocument()->setSyntaxHighlighter(highlighter);
}

void SnippetEditorWidget::focusOutEvent(QFocusEvent *event)
{
    if (event->reason() != Qt::ActiveWindowFocusReason && document()->isModified()) {
        document()->setModified(false);
        emit snippetContentChanged();
    }
    BaseTextEditorWidget::focusOutEvent(event);
}

BaseTextEditor *SnippetEditorWidget::createEditor()
{
    return new SnippetEditor;
}