mirror of https://github.com/vitalif/openscad
160 lines
4.0 KiB
C++
160 lines
4.0 KiB
C++
#include "editor.h"
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#include "Preferences.h"
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Editor::Editor(QWidget *parent) : QTextEdit(parent)
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{
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setAcceptRichText(false);
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// This needed to avoid QTextEdit accepting filename drops as we want
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// to handle these ourselves in MainWindow
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setAcceptDrops(false);
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this->highlighter = new Highlighter(this->document());
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}
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void Editor::indentSelection()
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{
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QTextCursor cursor = textCursor();
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int p1 = cursor.selectionStart();
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QString txt = cursor.selectedText();
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txt.replace(QString(QChar(8233)), QString(QChar(8233)) + QString("\t"));
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if (txt.endsWith(QString(QChar(8233)) + QString("\t")))
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txt.chop(1);
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txt = QString("\t") + txt;
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cursor.insertText(txt);
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int p2 = cursor.position();
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cursor.setPosition(p1, QTextCursor::MoveAnchor);
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cursor.setPosition(p2, QTextCursor::KeepAnchor);
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setTextCursor(cursor);
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}
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void Editor::unindentSelection()
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{
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QTextCursor cursor = textCursor();
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int p1 = cursor.selectionStart();
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QString txt = cursor.selectedText();
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txt.replace(QString(QChar(8233)) + QString("\t"), QString(QChar(8233)));
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if (txt.startsWith(QString("\t")))
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txt.remove(0, 1);
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cursor.insertText(txt);
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int p2 = cursor.position();
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cursor.setPosition(p1, QTextCursor::MoveAnchor);
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cursor.setPosition(p2, QTextCursor::KeepAnchor);
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setTextCursor(cursor);
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}
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void Editor::commentSelection()
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{
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QTextCursor cursor = textCursor();
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int p1 = cursor.selectionStart();
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QString txt = cursor.selectedText();
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txt.replace(QString(QChar(8233)), QString(QChar(8233)) + QString("//"));
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if (txt.endsWith(QString(QChar(8233)) + QString("//")))
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txt.chop(2);
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txt = QString("//") + txt;
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cursor.insertText(txt);
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int p2 = cursor.position();
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cursor.setPosition(p1, QTextCursor::MoveAnchor);
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cursor.setPosition(p2, QTextCursor::KeepAnchor);
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setTextCursor(cursor);
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}
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void Editor::uncommentSelection()
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{
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QTextCursor cursor = textCursor();
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int p1 = cursor.selectionStart();
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QString txt = cursor.selectedText();
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txt.replace(QString(QChar(8233)) + QString("//"), QString(QChar(8233)));
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if (txt.startsWith(QString("//")))
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txt.remove(0, 2);
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cursor.insertText(txt);
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int p2 = cursor.position();
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cursor.setPosition(p1, QTextCursor::MoveAnchor);
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cursor.setPosition(p2, QTextCursor::KeepAnchor);
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setTextCursor(cursor);
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}
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void Editor::zoomIn()
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{
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// See also QT's implementation in QEditor.cpp
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QSettings settings;
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QFont tmp_font = this->font() ;
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if ( font().pointSize() >= 1 )
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tmp_font.setPointSize( 1 + font().pointSize() );
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else
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tmp_font.setPointSize( 1 );
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settings.setValue("editor/fontsize", tmp_font.pointSize());
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this->setFont( tmp_font );
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}
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void Editor::zoomOut()
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{
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QSettings settings;
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QFont tmp_font = this->font();
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if ( font().pointSize() >= 2 )
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tmp_font.setPointSize( -1 + font().pointSize() );
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else
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tmp_font.setPointSize( 1 );
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settings.setValue("editor/fontsize", tmp_font.pointSize());
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this->setFont( tmp_font );
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}
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void Editor::wheelEvent ( QWheelEvent * event )
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{
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QSettings settings;
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bool wheelzoom_enabled = Preferences::inst()->getValue("editor/ctrlmousewheelzoom").toBool();
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if ((event->modifiers() == Qt::ControlModifier) && wheelzoom_enabled ) {
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if (event->delta() > 0 )
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zoomIn();
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else if (event->delta() < 0 )
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zoomOut();
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} else {
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QTextEdit::wheelEvent( event );
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}
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}
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void Editor::setPlainText(const QString &text)
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{
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int y = verticalScrollBar()->sliderPosition();
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// Save current cursor position
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QTextCursor cursor = textCursor();
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int n = cursor.position();
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QTextEdit::setPlainText(text);
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// Restore cursor position
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if (n < text.length()) {
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cursor.setPosition(n);
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setTextCursor(cursor);
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verticalScrollBar()->setSliderPosition(y);
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}
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}
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void Editor::highlightError(int error_pos)
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{
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highlighter->highlightError( error_pos );
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QTextCursor cursor = this->textCursor();
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cursor.setPosition( error_pos );
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this->setTextCursor( cursor );
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}
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void Editor::unhighlightLastError()
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{
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highlighter->unhighlightLastError();
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}
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void Editor::setHighlightScheme(const QString &name)
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{
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highlighter->assignFormatsToTokens( name );
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highlighter->rehighlight(); // slow on large files
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}
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Editor::~Editor()
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{
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delete highlighter;
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}
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