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#include "editor.h"
#include "Preferences.h"
void Editor::indentSelection()
{
QTextCursor cursor = textCursor();
int p1 = cursor.selectionStart();
QString txt = cursor.selectedText();
txt.replace(QString(QChar(8233)), QString(QChar(8233)) + QString("\t"));
if (txt.endsWith(QString(QChar(8233)) + QString("\t")))
txt.chop(1);
txt = QString("\t") + txt;
cursor.insertText(txt);
int p2 = cursor.position();
cursor.setPosition(p1, QTextCursor::MoveAnchor);
cursor.setPosition(p2, QTextCursor::KeepAnchor);
setTextCursor(cursor);
}
void Editor::unindentSelection()
{
QTextCursor cursor = textCursor();
int p1 = cursor.selectionStart();
QString txt = cursor.selectedText();
txt.replace(QString(QChar(8233)) + QString("\t"), QString(QChar(8233)));
if (txt.startsWith(QString("\t")))
txt.remove(0, 1);
cursor.insertText(txt);
int p2 = cursor.position();
cursor.setPosition(p1, QTextCursor::MoveAnchor);
cursor.setPosition(p2, QTextCursor::KeepAnchor);
setTextCursor(cursor);
}
void Editor::commentSelection()
{
QTextCursor cursor = textCursor();
int p1 = cursor.selectionStart();
QString txt = cursor.selectedText();
txt.replace(QString(QChar(8233)), QString(QChar(8233)) + QString("//"));
if (txt.endsWith(QString(QChar(8233)) + QString("//")))
txt.chop(2);
txt = QString("//") + txt;
cursor.insertText(txt);
int p2 = cursor.position();
cursor.setPosition(p1, QTextCursor::MoveAnchor);
cursor.setPosition(p2, QTextCursor::KeepAnchor);
setTextCursor(cursor);
}
void Editor::uncommentSelection()
{
QTextCursor cursor = textCursor();
int p1 = cursor.selectionStart();
QString txt = cursor.selectedText();
txt.replace(QString(QChar(8233)) + QString("//"), QString(QChar(8233)));
if (txt.startsWith(QString("//")))
txt.remove(0, 2);
cursor.insertText(txt);
int p2 = cursor.position();
cursor.setPosition(p1, QTextCursor::MoveAnchor);
cursor.setPosition(p2, QTextCursor::KeepAnchor);
setTextCursor(cursor);
}
void Editor::zoomIn()
{
// See also QT's implementation in QEditor.cpp
QSettings settings;
QFont tmp_font = this->font() ;
if ( font().pointSize() >= 1 )
tmp_font.setPointSize( 1 + font().pointSize() );
else
tmp_font.setPointSize( 1 );
settings.setValue("editor/fontsize", tmp_font.pointSize());
this->setFont( tmp_font );
}
void Editor::zoomOut()
{
QSettings settings;
QFont tmp_font = this->font();
if ( font().pointSize() >= 2 )
tmp_font.setPointSize( -1 + font().pointSize() );
else
tmp_font.setPointSize( 1 );
settings.setValue("editor/fontsize", tmp_font.pointSize());
this->setFont( tmp_font );
}
void Editor::wheelEvent ( QWheelEvent * event )
{
if (event->modifiers() == Qt::ControlModifier) {
if (event->delta() > 0 )
zoomIn();
else if (event->delta() < 0 )
zoomOut();
} else {
QTextEdit::wheelEvent( event );
}
}
void Editor::setPlainText(const QString &text)
{
int y = verticalScrollBar()->sliderPosition();
// Save current cursor position
QTextCursor cursor = textCursor();
int n = cursor.position();
QTextEdit::setPlainText(text);
// Restore cursor position
if (n < text.length()) {
cursor.setPosition(n);
setTextCursor(cursor);
verticalScrollBar()->setSliderPosition(y);
}
}
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