115 lines
2.5 KiB
C++
115 lines
2.5 KiB
C++
// Copyright 2018 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "DolphinQt/TAS/IRWidget.h"
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#include <algorithm>
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#include <cmath>
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#include <QMouseEvent>
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#include <QPainter>
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#include "Common/CommonTypes.h"
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constexpr int PADDING = 1;
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IRWidget::IRWidget(QWidget* parent) : QWidget(parent)
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{
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setMouseTracking(false);
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setToolTip(tr("Left click to set the IR value.\n"
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"Right click to re-center it."));
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// If the widget gets too small, it will get deformed.
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setMinimumSize(QSize(64, 48));
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}
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void IRWidget::SetX(u16 x)
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{
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m_x = std::min(ir_max_x, x);
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update();
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}
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void IRWidget::SetY(u16 y)
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{
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m_y = std::min(ir_max_y, y);
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update();
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}
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void IRWidget::paintEvent(QPaintEvent* event)
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{
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QPainter painter(this);
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painter.setRenderHint(QPainter::Antialiasing, true);
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painter.setRenderHint(QPainter::SmoothPixmapTransform, true);
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const int w = width() - PADDING * 2;
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const int h = height() - PADDING * 2;
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painter.setBrush(Qt::white);
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painter.drawRect(PADDING, PADDING, w, h);
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painter.drawLine(PADDING, PADDING + h / 2, PADDING + w, PADDING + h / 2);
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painter.drawLine(PADDING + w / 2, PADDING, PADDING + w / 2, PADDING + h);
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// convert from value space to widget space
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u16 x = PADDING + ((m_x * w) / ir_max_x);
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u16 y = PADDING + (h - (m_y * h) / ir_max_y);
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painter.drawLine(PADDING + w / 2, PADDING + h / 2, x, y);
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painter.setBrush(Qt::blue);
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int wh_avg = (w + h) / 2;
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int radius = wh_avg / 30;
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painter.drawEllipse(x - radius, y - radius, radius * 2, radius * 2);
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}
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void IRWidget::mousePressEvent(QMouseEvent* event)
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{
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handleMouseEvent(event);
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m_ignore_movement = event->button() == Qt::RightButton;
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}
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void IRWidget::mouseMoveEvent(QMouseEvent* event)
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{
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if (!m_ignore_movement)
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handleMouseEvent(event);
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}
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void IRWidget::handleMouseEvent(QMouseEvent* event)
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{
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u16 prev_x = m_x;
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u16 prev_y = m_y;
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if (event->button() == Qt::RightButton)
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{
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m_x = std::round(ir_max_x / 2.);
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m_y = std::round(ir_max_y / 2.);
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}
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else
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{
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// convert from widget space to value space
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int new_x = (event->pos().x() * ir_max_x) / width();
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int new_y = ir_max_y - (event->pos().y() * ir_max_y) / height();
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m_x = std::max(0, std::min(static_cast<int>(ir_max_x), new_x));
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m_y = std::max(0, std::min(static_cast<int>(ir_max_y), new_y));
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}
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bool changed = false;
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if (prev_x != m_x)
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{
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emit ChangedX(m_x);
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changed = true;
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}
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if (prev_y != m_y)
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{
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emit ChangedY(m_y);
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changed = true;
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}
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if (changed)
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update();
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}
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