mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-16 05:11:49 -05:00
526 lines
15 KiB
C++
526 lines
15 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 <QMouseEvent>
|
|
#include <QWheelEvent>
|
|
#include <QKeyEvent>
|
|
#include <QLocale>
|
|
|
|
#include "gui/valuedial.h"
|
|
|
|
ValueDial::ValueDial(QWidget* parent, ColorMapper colorMapper) :
|
|
QWidget(parent),
|
|
m_animationState(0),
|
|
m_colorMapper(colorMapper)
|
|
{
|
|
setAutoFillBackground(false);
|
|
setAttribute(Qt::WA_OpaquePaintEvent, true);
|
|
setAttribute(Qt::WA_NoSystemBackground, true);
|
|
setMouseTracking(true);
|
|
setFocusPolicy(Qt::StrongFocus);
|
|
|
|
m_background.setStart(0, 0);
|
|
m_background.setFinalStop(0, 1);
|
|
m_background.setCoordinateMode(QGradient::ObjectBoundingMode);
|
|
|
|
ColorMapper::colormap::const_iterator cmit = m_colorMapper.getDialBackgroundColorMap().begin();
|
|
ColorMapper::colormap::const_iterator cmitEnd = m_colorMapper.getDialBackgroundColorMap().end();
|
|
|
|
for (; cmit != cmitEnd; ++ cmit) {
|
|
m_background.setColorAt(cmit->first, cmit->second);
|
|
}
|
|
|
|
m_value = 0;
|
|
m_valueNew = 0;
|
|
m_valueMin = 0;
|
|
m_valueMax = 2200000;
|
|
m_numDigits = 7;
|
|
m_numDecimalPoints = m_numDigits / 3;
|
|
m_cursor = -1;
|
|
m_digitWidth = 0;
|
|
m_digitHeight = 0;
|
|
|
|
m_hightlightedDigit = -1;
|
|
m_text = formatText(m_value);
|
|
m_cursorState = false;
|
|
|
|
const QLocale & cLocale = QLocale::c();
|
|
m_groupSeparator = cLocale.groupSeparator();
|
|
|
|
connect(&m_animationTimer, SIGNAL(timeout()), this, SLOT(animate()));
|
|
connect(&m_blinkTimer, SIGNAL(timeout()), this, SLOT(blink()));
|
|
}
|
|
|
|
void ValueDial::setFont(const QFont& font)
|
|
{
|
|
QWidget::setFont(font);
|
|
|
|
QFontMetrics fm(font);
|
|
m_digitWidth = fm.width('0');
|
|
m_digitHeight = fm.ascent();
|
|
if(m_digitWidth < m_digitHeight)
|
|
m_digitWidth = m_digitHeight;
|
|
setFixedWidth((m_numDigits + m_numDecimalPoints) * m_digitWidth + 2);
|
|
setFixedHeight(m_digitHeight * 2 + 2);
|
|
}
|
|
|
|
void ValueDial::setBold(bool bold)
|
|
{
|
|
QFont f = font();
|
|
f.setBold(bold);
|
|
setFont(f);
|
|
}
|
|
|
|
void ValueDial::setColorMapper(ColorMapper colorMapper)
|
|
{
|
|
m_colorMapper = colorMapper;
|
|
|
|
ColorMapper::colormap::const_iterator cmit = m_colorMapper.getDialBackgroundColorMap().begin();
|
|
ColorMapper::colormap::const_iterator cmitEnd = m_colorMapper.getDialBackgroundColorMap().end();
|
|
|
|
for (; cmit != cmitEnd; ++ cmit) {
|
|
m_background.setColorAt(cmit->first, cmit->second);
|
|
}
|
|
}
|
|
|
|
|
|
void ValueDial::setValue(quint64 value)
|
|
{
|
|
m_valueNew = value;
|
|
if(m_valueNew < m_valueMin)
|
|
m_valueNew = m_valueMin;
|
|
else if(m_valueNew > m_valueMax)
|
|
m_valueNew = m_valueMax;
|
|
if(m_valueNew < m_value)
|
|
m_animationState = 1;
|
|
else if(m_valueNew > m_value)
|
|
m_animationState = -1;
|
|
else return;
|
|
m_animationTimer.start(20);
|
|
m_textNew = formatText(m_valueNew);
|
|
}
|
|
|
|
void ValueDial::setValueRange(uint numDigits, quint64 min, quint64 max)
|
|
{
|
|
m_numDigits = numDigits;
|
|
//m_numDecimalPoints = m_numDigits / 3;
|
|
m_numDecimalPoints = m_numDigits < 3 ? 0 : (m_numDigits%3) == 0 ? (m_numDigits/3)-1 : m_numDigits/3;
|
|
|
|
m_valueMin = min;
|
|
m_valueMax = max;
|
|
|
|
if(m_value < min)
|
|
setValue(min);
|
|
else if(m_value > max)
|
|
setValue(max);
|
|
setFixedWidth((m_numDigits + m_numDecimalPoints) * m_digitWidth + 2);
|
|
}
|
|
|
|
quint64 ValueDial::findExponent(int digit)
|
|
{
|
|
quint64 e = 1;
|
|
int d = (m_numDigits + m_numDecimalPoints) - digit;
|
|
d = d - (d / 4) - 1;
|
|
for(int i = 0; i < d; i++)
|
|
e *= 10;
|
|
return e;
|
|
}
|
|
|
|
QChar ValueDial::digitNeigh(QChar c, bool dir)
|
|
{
|
|
if(dir) {
|
|
if(c == QChar('0'))
|
|
return QChar('9');
|
|
else return QChar::fromLatin1(c.toLatin1() - 1);
|
|
} else {
|
|
if(c == QChar('9'))
|
|
return QChar('0');
|
|
else return QChar::fromLatin1(c.toLatin1() + 1);
|
|
}
|
|
}
|
|
|
|
QString ValueDial::formatText(quint64 value)
|
|
{
|
|
QString str = QString("%1").arg(value, m_numDigits, 10, QChar('0'));
|
|
|
|
for(int i = 0; i < m_numDecimalPoints; i++)
|
|
{
|
|
int ipoint = m_numDigits - 3 - 3 * i;
|
|
|
|
if (ipoint != 0) { // do not insert leading point
|
|
const QLocale & cLocale = QLocale::c();
|
|
str.insert(ipoint, cLocale.groupSeparator());
|
|
}
|
|
}
|
|
|
|
return str;
|
|
}
|
|
|
|
void ValueDial::paintEvent(QPaintEvent*)
|
|
{
|
|
QPainter painter(this);
|
|
|
|
painter.setPen(Qt::black);
|
|
painter.setBrush(m_background);
|
|
|
|
painter.drawRect(0, 0, width() - 1, height() - 1);
|
|
|
|
painter.setPen(m_colorMapper.getBoundaryColor());
|
|
painter.setBrush(Qt::NoBrush);
|
|
|
|
for (int i = 1; i < m_numDigits + m_numDecimalPoints; i++)
|
|
{
|
|
painter.setPen(m_colorMapper.getBoundaryColor());
|
|
painter.drawLine(1 + i * m_digitWidth, 1, 1 + i * m_digitWidth, height() - 1);
|
|
painter.setPen(m_colorMapper.getBoundaryAlphaColor());
|
|
painter.drawLine(0 + i * m_digitWidth, 1, 0 + i * m_digitWidth, height() - 1);
|
|
painter.drawLine(2 + i * m_digitWidth, 1, 2 + i * m_digitWidth, height() - 1);
|
|
}
|
|
|
|
painter.setPen(m_colorMapper.getBoundaryAlphaColor());
|
|
painter.drawLine(1, 1, 1, height() - 1);
|
|
painter.drawLine(width() - 2, 1, width() - 2, height() - 1);
|
|
|
|
// dial borders
|
|
painter.setPen(m_colorMapper.getDarkBorderColor());
|
|
painter.drawLine(0, 0, width() - 2, 0);
|
|
painter.drawLine(0, height() - 1, 0, 0);
|
|
painter.setPen(m_colorMapper.getLightBorderColor());
|
|
painter.drawLine(1, height() - 1, width() - 1, height() - 1);
|
|
painter.drawLine(width() - 1, height() - 1, width() - 1, 0);
|
|
|
|
if (m_hightlightedDigit >= 0)
|
|
{
|
|
painter.setPen(Qt::NoPen);
|
|
painter.setBrush(m_colorMapper.getHighlightColor());
|
|
painter.drawRect(2 + m_hightlightedDigit * m_digitWidth, 1, m_digitWidth - 1, height() - 1);
|
|
}
|
|
|
|
if (m_animationState == 0)
|
|
{
|
|
for(int i = 0; i < m_text.length(); i++) {
|
|
painter.setClipRect(1 + i * m_digitWidth, 1, m_digitWidth, m_digitHeight * 2);
|
|
painter.setPen(m_colorMapper.getSecondaryForegroundColor());
|
|
painter.drawText(QRect(1 + i * m_digitWidth, m_digitHeight * 0.6, m_digitWidth, m_digitHeight), Qt::AlignCenter, m_text.mid(i, 1));
|
|
if(m_text[i] != m_groupSeparator) {
|
|
painter.setPen(m_colorMapper.getForegroundColor());
|
|
painter.drawText(QRect(1 + i * m_digitWidth, m_digitHeight * -0.7, m_digitWidth, m_digitHeight), Qt::AlignCenter, digitNeigh(m_text[i], true));
|
|
painter.drawText(QRect(1 + i * m_digitWidth, m_digitHeight * 1.9, m_digitWidth, m_digitHeight), Qt::AlignCenter, digitNeigh(m_text[i], false));
|
|
}
|
|
}
|
|
painter.setClipping(false);
|
|
if((m_cursor >= 0) && (m_cursorState)) {
|
|
painter.setPen(Qt::NoPen);
|
|
painter.setBrush(m_colorMapper.getSecondaryForegroundColor());
|
|
painter.drawRect(4 + m_cursor * m_digitWidth, 1 + m_digitHeight * 1.5, m_digitWidth - 5, m_digitHeight / 6);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (int i = 0; i < m_text.length(); i++)
|
|
{
|
|
if (m_text[i] == m_textNew[i])
|
|
{
|
|
painter.setClipRect(1 + i * m_digitWidth, 1, m_digitWidth, m_digitHeight * 2);
|
|
painter.setPen(m_colorMapper.getSecondaryForegroundColor());
|
|
painter.drawText(QRect(1 + i * m_digitWidth, m_digitHeight * 0.6, m_digitWidth, m_digitHeight), Qt::AlignCenter, m_text.mid(i, 1));
|
|
|
|
if (m_text[i] != m_groupSeparator)
|
|
{
|
|
painter.setPen(m_colorMapper.getForegroundColor());
|
|
painter.drawText(QRect(1 + i * m_digitWidth, m_digitHeight * -0.7, m_digitWidth, m_digitHeight), Qt::AlignCenter, digitNeigh(m_text[i], true));
|
|
painter.drawText(QRect(1 + i * m_digitWidth, m_digitHeight * 1.9, m_digitWidth, m_digitHeight), Qt::AlignCenter, digitNeigh(m_text[i], false));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
int h = m_digitHeight * 0.6 + m_digitHeight * m_animationState / 2.0;
|
|
painter.setClipRect(1 + i * m_digitWidth, 1, m_digitWidth, m_digitHeight * 2);
|
|
painter.setPen(m_colorMapper.getSecondaryForegroundColor());
|
|
painter.drawText(QRect(1 + i * m_digitWidth, h, m_digitWidth, m_digitHeight), Qt::AlignCenter, m_text.mid(i, 1));
|
|
|
|
if (m_text[i] != m_groupSeparator)
|
|
{
|
|
painter.setPen(m_colorMapper.getForegroundColor());
|
|
painter.drawText(QRect(1 + i * m_digitWidth, h + m_digitHeight * -0.7, m_digitWidth, m_digitHeight), Qt::AlignCenter, digitNeigh(m_text[i], true));
|
|
painter.drawText(QRect(1 + i * m_digitWidth, h + m_digitHeight * 1.9, m_digitWidth, m_digitHeight), Qt::AlignCenter, digitNeigh(m_text[i], false));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void ValueDial::mousePressEvent(QMouseEvent* event)
|
|
{
|
|
int i;
|
|
|
|
i = (event->x() - 1) / m_digitWidth;
|
|
|
|
if(m_text[i] == m_groupSeparator)
|
|
{
|
|
i++;
|
|
|
|
if(i > m_numDigits + m_numDecimalPoints) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
Qt::MouseButton mouseButton = event->button();
|
|
|
|
if (mouseButton == Qt::RightButton) // ceil value at current digit
|
|
{
|
|
if(m_cursor >= 0)
|
|
{
|
|
m_cursor = -1;
|
|
m_blinkTimer.stop();
|
|
update();
|
|
}
|
|
|
|
quint64 e = findExponent(i);
|
|
m_valueNew = (m_value / e) * e;
|
|
setValue(m_valueNew);
|
|
emit changed(m_valueNew);
|
|
//qDebug("ValueDial::mousePressEvent: Qt::RightButton: i: %d e: %llu new: %llu", i, e, valueNew);
|
|
}
|
|
else if (mouseButton == Qt::LeftButton) // set cursor at current digit
|
|
{
|
|
m_cursor = i;
|
|
m_cursorState = true;
|
|
m_blinkTimer.start(400);
|
|
|
|
update();
|
|
}
|
|
}
|
|
|
|
void ValueDial::mouseMoveEvent(QMouseEvent* event)
|
|
{
|
|
int i;
|
|
|
|
i = (event->x() - 1) / m_digitWidth;
|
|
if(m_text[i] == m_groupSeparator)
|
|
i = -1;
|
|
|
|
if(i != m_hightlightedDigit) {
|
|
m_hightlightedDigit = i;
|
|
update();
|
|
}
|
|
}
|
|
|
|
void ValueDial::wheelEvent(QWheelEvent* event)
|
|
{
|
|
int i;
|
|
|
|
i = (event->x() - 1) / m_digitWidth;
|
|
if(m_text[i] != m_groupSeparator)
|
|
m_hightlightedDigit = i;
|
|
else
|
|
return;
|
|
|
|
if(m_cursor >= 0) {
|
|
m_cursor = -1;
|
|
m_blinkTimer.stop();
|
|
update();
|
|
}
|
|
quint64 e = findExponent(m_hightlightedDigit);
|
|
|
|
if(m_animationState == 0) {
|
|
if(event->delta() < 0) {
|
|
if (event->modifiers() & Qt::ShiftModifier) {
|
|
e *= 5;
|
|
} else if (event->modifiers() & Qt::ControlModifier) {
|
|
e *= 2;
|
|
}
|
|
if(m_value < e)
|
|
m_valueNew = m_valueMin;
|
|
else m_valueNew = m_value - e;
|
|
} else {
|
|
if (event->modifiers() & Qt::ShiftModifier) {
|
|
e *= 5;
|
|
} else if (event->modifiers() & Qt::ControlModifier) {
|
|
e *= 2;
|
|
}
|
|
if(m_valueMax - m_value < e)
|
|
m_valueNew = m_valueMax;
|
|
else m_valueNew = m_value + e;
|
|
}
|
|
setValue(m_valueNew);
|
|
emit changed(m_valueNew);
|
|
event->accept();
|
|
}
|
|
}
|
|
|
|
void ValueDial::leaveEvent(QEvent*)
|
|
{
|
|
if(m_hightlightedDigit != -1) {
|
|
m_hightlightedDigit = -1;
|
|
update();
|
|
}
|
|
}
|
|
|
|
void ValueDial::keyPressEvent(QKeyEvent* value)
|
|
{
|
|
if(m_cursor >= 0) {
|
|
if((value->key() == Qt::Key_Return) || (value->key() == Qt::Key_Enter) || (value->key() == Qt::Key_Escape)) {
|
|
m_cursor = -1;
|
|
m_cursorState = false;
|
|
m_blinkTimer.stop();
|
|
update();
|
|
return;
|
|
}
|
|
}
|
|
|
|
if((m_cursor < 0) && (m_hightlightedDigit >= 0)) {
|
|
m_cursor = m_hightlightedDigit;
|
|
if(m_text[m_cursor] == m_groupSeparator)
|
|
m_cursor++;
|
|
if(m_cursor >= m_numDigits + m_numDecimalPoints)
|
|
return;
|
|
m_cursorState = true;
|
|
m_blinkTimer.start(400);
|
|
update();
|
|
}
|
|
|
|
if(m_cursor < 0)
|
|
return;
|
|
|
|
if((value->key() == Qt::Key_Left) || (value->key() == Qt::Key_Backspace)) {
|
|
if(m_cursor > 0) {
|
|
m_cursor--;
|
|
if(m_text[m_cursor] == m_groupSeparator)
|
|
m_cursor--;
|
|
if(m_cursor < 0)
|
|
m_cursor++;
|
|
m_cursorState = true;
|
|
update();
|
|
return;
|
|
}
|
|
} else if(value->key() == Qt::Key_Right) {
|
|
if(m_cursor < m_numDecimalPoints + m_numDigits) {
|
|
m_cursor++;
|
|
if(m_text[m_cursor] == m_groupSeparator)
|
|
m_cursor++;
|
|
if(m_cursor >= m_numDecimalPoints + m_numDigits)
|
|
m_cursor--;
|
|
m_cursorState = true;
|
|
update();
|
|
return;
|
|
}
|
|
} else if(value->key() == Qt::Key_Up) {
|
|
quint64 e = findExponent(m_cursor);
|
|
if (value->modifiers() & Qt::ShiftModifier) {
|
|
e *= 5;
|
|
} else if (value->modifiers() & Qt::ControlModifier) {
|
|
e *= 2;
|
|
}
|
|
if(m_animationState != 0)
|
|
m_value = m_valueNew;
|
|
if(m_valueMax - m_value < e)
|
|
m_valueNew = m_valueMax;
|
|
else m_valueNew = m_value + e;
|
|
setValue(m_valueNew);
|
|
emit changed(m_valueNew);
|
|
} else if(value->key() == Qt::Key_Down) {
|
|
quint64 e = findExponent(m_cursor);
|
|
if (value->modifiers() & Qt::ShiftModifier) {
|
|
e *= 5;
|
|
} else if (value->modifiers() & Qt::ControlModifier) {
|
|
e *= 2;
|
|
}
|
|
if(m_animationState != 0)
|
|
m_value = m_valueNew;
|
|
if(m_value < e)
|
|
m_valueNew = m_valueMin;
|
|
else m_valueNew = m_value - e;
|
|
setValue(m_valueNew);
|
|
emit changed(m_valueNew);
|
|
}
|
|
|
|
if(value->text().length() != 1)
|
|
return;
|
|
QChar c = value->text()[0];
|
|
|
|
if(c >= QChar('0') && (c <= QChar('9'))) {
|
|
int d = c.toLatin1() - '0';
|
|
quint64 e = findExponent(m_cursor);
|
|
quint64 v = (m_value / e) % 10;
|
|
if(m_animationState != 0)
|
|
m_value = m_valueNew;
|
|
v = m_value - v * e;
|
|
v += d * e;
|
|
setValue(v);
|
|
emit changed(m_valueNew);
|
|
m_cursor++;
|
|
if(m_text[m_cursor] == m_groupSeparator)
|
|
m_cursor++;
|
|
if(m_cursor >= m_numDigits + m_numDecimalPoints) {
|
|
m_cursor = -1;
|
|
m_blinkTimer.stop();
|
|
} else {
|
|
m_cursorState = true;
|
|
}
|
|
update();
|
|
}
|
|
}
|
|
|
|
void ValueDial::focusInEvent(QFocusEvent*)
|
|
{
|
|
if(m_cursor == -1) {
|
|
m_cursor = 0;
|
|
m_cursorState = true;
|
|
m_blinkTimer.start(400);
|
|
update();
|
|
}
|
|
}
|
|
|
|
void ValueDial::focusOutEvent(QFocusEvent*)
|
|
{
|
|
m_cursor = -1;
|
|
m_blinkTimer.stop();
|
|
update();
|
|
}
|
|
|
|
void ValueDial::animate()
|
|
{
|
|
update();
|
|
|
|
if(m_animationState > 0)
|
|
m_animationState++;
|
|
else if(m_animationState < 0)
|
|
m_animationState--;
|
|
else {
|
|
m_animationTimer.stop();
|
|
m_animationState = 0;
|
|
return;
|
|
}
|
|
|
|
if(abs(m_animationState) >= 4) {
|
|
m_animationState = 0;
|
|
m_animationTimer.stop();
|
|
m_value = m_valueNew;
|
|
m_text = m_textNew;
|
|
}
|
|
}
|
|
|
|
void ValueDial::blink()
|
|
{
|
|
if(m_cursor >= 0) {
|
|
m_cursorState = !m_cursorState;
|
|
update();
|
|
}
|
|
}
|