mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-02 16:01:14 -04:00
130 lines
4.1 KiB
C++
130 lines
4.1 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// 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;
|
|
}
|
|
}
|