Differential D13582 Diff 36256 src/TerminalScrollBar.cpp

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src/TerminalScrollBar.cpp

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		1		#include "TerminalScrollBar.h"
		2		#include <QDebug>
		3		#include <QStyle>
		4		#include <QApplication>
		5
		6		namespace Konsole {
		7
		8		TerminalScrollBar::TerminalScrollBar(QWidget *parent)
		9		: QScrollBar(parent)
		10		, _position(Right)
		11		, _canFloat(false)
		12		{
		13		_canFloat = qApp->style()->objectName() == QLatin1Literal("breeze");
		14		setCursor(Qt::ArrowCursor);
		15		}
		16
		17		void TerminalScrollBar::setLines(int lines)
		18		{
		19		if (_lines == lines) {
		20		return;
		21		}
		22		_lines = lines;
		23		emit linesChanged(lines);
		24		}
		25
		26		void TerminalScrollBar::changeEvent(QEvent *event)
		27		{
		28		if (event->type() == QEvent::StyleChange) {
		29		_canFloat = qApp->style()->objectName() == QLatin1Literal("breeze");
		30		parentWidget()->update();
		31		}
		32		}
		33
		34		void TerminalScrollBar::setPosition(Position position)
		35		{
		36		if (_position == position) {
		37		return;
		38		}
		39
		40		setVisible(position != Position::Hidden \|\| maximum() != 0);
		41		_position = position;
		42		emit positionChanged(position);
		43		}
		44
		45		void TerminalScrollBar::fixGeometry()
		46		{
		47		auto parentRect = parentWidget()->contentsRect();
		48		resize(sizeHint().width(), parentRect.height());
		49
		50		switch (_position) {
		51		case Hidden : break;
		52		case Left :
		53		move(parentRect.topLeft());
		54		break;
		55		case Right:
		56		move(parentRect.topRight() - QPoint(width() - 1, 0));
		57		break;
		58		}
		59		}
		60
		61		void TerminalScrollBar::setScroll(int cursor, int slines)
		62		{
		63		if (maximum() == 0 && value() == cursor) {
		64		// hide the scrollbar if it's not needed
		65		hide();
		66		return;
		67		} else if (_position != Position::Hidden) {
		68		show();
		69		}
		70
		71		setRange(0, slines - _lines);
		72		setSingleStep(1);
		73		setPageStep(_lines);
		74		setValue(cursor);
		75		}
		76
		77		int TerminalScrollBar::themeAwareWidth() const
		78		{
		79		return _canFloat ? 0 : width();
		80		}
		81
		82		TerminalScrollBar::Position TerminalScrollBar::position() const
		83		{
		84		return _position;
		85		}
		86
		87		int TerminalScrollBar::lines() const
		88		{
		89		return _lines;
		90		}
		91
		92		}