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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
// written by Christian Daniel //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include <QPainter>
#include "gui/scale.h"
Scale::Scale(QWidget* parent) :
QWidget(parent)
{
}
void Scale::setOrientation(Qt::Orientation orientation)
{
m_orientation = orientation;
m_scaleEngine.setOrientation(orientation);
m_scaleEngine.setFont(font());
QFontMetrics fm(font());
switch(m_orientation) {
case Qt::Horizontal:
m_scaleEngine.setSize(width());
setMinimumWidth(0);
setMaximumWidth(QWIDGETSIZE_MAX);
setMinimumHeight(3 + fontMetrics().ascent());
setMaximumHeight(3 + fontMetrics().ascent());
break;
case Qt::Vertical:
m_scaleEngine.setSize(height());
setMinimumWidth(30);
setMaximumWidth(30);
setMinimumHeight(0);
setMaximumHeight(QWIDGETSIZE_MAX);
break;
}
}
void Scale::setRange(Unit::Physical physicalUnit, float rangeMin, float rangeMax)
{
m_scaleEngine.setRange(physicalUnit, rangeMin, rangeMax);
update();
}
void Scale::paintEvent(QPaintEvent*)
{
QPainter painter(this);
const ScaleEngine::TickList& tickList = m_scaleEngine.getTickList();
QFontMetricsF fontMetrics(font());
const ScaleEngine::Tick* tick;
int i;
float bottomLine;
switch(m_orientation) {
case Qt::Horizontal: {
painter.setPen(Qt::black);
// Zwischenlinien für x-Achse zeichnen
for(i = 0; i < tickList.count(); i++) {
tick = &tickList[i];
if(!tick->major)
painter.drawLine(QLineF(tick->pos, 0, tick->pos, 1));
}
// Skala am Rand zeichnen
painter.drawLine(QLineF(0, 0, width() - 1, 0));
// Hauptlinien und Beschriftung für x-Achse zeichnen
for(i = 0; i < tickList.count(); i++) {
tick = &tickList[i];
if(tick->major) {
painter.drawLine(QLineF(tick->pos - 1, 0, tick->pos - 1, 3));
if(tick->textSize > 0) {
painter.drawText(QPointF(tick->textPos, 3 + fontMetrics.ascent()), tick->text);
}
}
}
break;
}
case Qt::Vertical: {
bottomLine = height() - 1;
painter.setPen(Qt::black);
// Zwischenlinien für y-Achse zeichnen
for(i = 0; i < tickList.count(); i++) {
tick = &tickList[i];
if(!tick->major)
painter.drawLine(QLineF(width() - 2, bottomLine - tick->pos, width() - 1, bottomLine - tick->pos));
}
// Skala am Rand zeichnen
painter.drawLine(QLineF(width() - 1, 0, width() - 1, height() - 1));
// Hauptlinien und Beschriftung für y-Achse zeichnen
for(i = 0; i < tickList.count(); i++) {
tick = &tickList[i];
if(tick->major) {
painter.drawLine(QLineF(width() - 4, bottomLine - tick->pos, width() - 1, bottomLine - tick->pos));
if(tick->textSize > 0)
painter.drawText(QPointF(width() - 4 - tick->textSize, bottomLine - tick->textPos), tick->text);
}
}
}
}
}
void Scale::resizeEvent(QResizeEvent*)
{
switch(m_orientation) {
case Qt::Horizontal:
m_scaleEngine.setSize(width());
break;
case Qt::Vertical:
m_scaleEngine.setSize(height());
break;
}
}
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