rename spline-widget -> spline

Adjust usages.

1 files changed, 0 insertions, 652 deletions

diff --git a/spline-widget/spline-widget.cpp b/spline-widget/spline-widget.cpp
deleted file mode 100644
index c7dd5e5a..00000000
--- a/spline-widget/spline-widget.cpp
+++ /dev/null
@@ -1,652 +0,0 @@
-/* Copyright (c) 2012-2016 Stanislaw Halik <sthalik@misaki.pl>
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- */
-
-#include "compat/util.hpp"
-#include "spline-widget.hpp"
-#include <QPainter>
-#include <QPainterPath>
-#include <QPaintEvent>
-#include <QPen>
-#include <QPixmap>
-#include <QList>
-#include <QPoint>
-#include <QString>
-#include <QRect>
-#include <QApplication>
-#include <QStyle>
-#include <QMouseEvent>
-
-#include <QDebug>
-
-#include <cmath>
-#include <algorithm>
-
-spline_widget::spline_widget(QWidget *parent) :
-    QWidget(parent),
-    _config(nullptr),
-    snap_x(0),
-    snap_y(0),
-    _x_step(10),
-    _y_step(10),
-    moving_control_point_idx(-1),
-    _draw_function(true),
-    _preview_only(false)
-{
-    setMouseTracking(true);
-    setFocusPolicy(Qt::ClickFocus);
-    setCursor(Qt::ArrowCursor);
-}
-
-spline_widget::~spline_widget()
-{
-    if (connection)
-        QObject::disconnect(connection);
-}
-
-void spline_widget::setConfig(spline* spl)
-{
-    if (spl != _config)
-    {
-        if (connection)
-        {
-            QObject::disconnect(connection);
-            connection = QMetaObject::Connection();
-        }
-
-        if (spl)
-        {
-            mem<spline::settings> s = spl->get_settings();
-            connection = connect(s.get(), &spline::settings::recomputed,
-                                 this, [this]() { reload_spline(); },
-                                 Qt::QueuedConnection);
-        }
-
-        _config = spl;
-        _background = QPixmap();
-        update_range();
-    }
-}
-
-QColor spline_widget::colorBezier() const
-{
-    return spline_color;
-}
-
-void spline_widget::setColorBezier(QColor color)
-{
-    spline_color = color;
-    update();
-}
-
-void spline_widget::force_redraw()
-{
-    _background = QPixmap();
-    update();
-}
-
-void spline_widget::set_preview_only(bool val)
-{
-    _preview_only = val;
-}
-
-bool spline_widget::is_preview_only() const
-{
-    return _preview_only;
-}
-
-void spline_widget::drawBackground()
-{
-    _background = QPixmap(width(), height());
-
-    QPainter painter(&_background);
-
-    painter.fillRect(rect(), palette().color(QPalette::Light));
-
-    QColor bg_color(112, 154, 209);
-    if (!isEnabled() && !_preview_only)
-        bg_color = QColor(176,176,180);
-    painter.fillRect(pixel_bounds, bg_color);
-
-    QFont font;
-    font.setPointSize(8);
-    painter.setFont(font);
-    QFontMetrics metrics(font);
-
-    QColor color__(176, 190, 209, 127);
-
-    if (!isEnabled())
-        color__ = QColor(70, 90, 100, 96);
-
-    const QPen pen(color__, 1, Qt::SolidLine, Qt::FlatCap);
-
-    const int ystep = _y_step, xstep = _x_step;
-    const qreal maxx = _config->max_input();
-    const qreal maxy = _config->max_output();
-
-    // horizontal grid
-    for (int i = 0; i <= maxy; i += ystep)
-    {
-        const int y = int(pixel_bounds.height() - i * c.y() + pixel_bounds.y());
-        drawLine(painter,
-                 QPoint(pixel_bounds.x(), y),
-                 QPoint(pixel_bounds.x() + pixel_bounds.width(), y),
-                 pen);
-        painter.drawText(QRectF(10,
-                                y - metrics.height()/2.,
-                                pixel_bounds.left(),
-                                metrics.height()),
-                         QString::number(i));
-    }
-
-    // vertical grid
-    for (int i = 0; i <= maxx; i += xstep)
-    {
-        const int x = iround(pixel_bounds.x() + i * c.x());
-        drawLine(painter,
-                 QPoint(x, pixel_bounds.y()),
-                 QPoint(x, pixel_bounds.y() + pixel_bounds.height()),
-                 pen);
-        const QString text = QString::number(i);
-        painter.drawText(QRectF(x - metrics.width(text)/2.,
-                                pixel_bounds.height() + 10 + metrics.height(),
-                                metrics.width(text),
-                                metrics.height()),
-                         text);
-    }
-}
-
-void spline_widget::drawFunction()
-{
-    _function = _background;
-    QPainter painter(&_function);
-    painter.setRenderHint(QPainter::Antialiasing, true);
-
-    const points_t points = _config->get_points();
-
-    if (moving_control_point_idx >= 0 &&
-        moving_control_point_idx < points.size())
-    {
-        const QPen pen(Qt::white, 1, Qt::SolidLine, Qt::FlatCap);
-        const QPointF prev_ = point_to_pixel(QPointF(0, 0));
-        QPoint prev(iround(prev_.x()), iround(prev_.y()));
-        for (int i = 0; i < points.size(); i++)
-        {
-            const QPointF tmp_ = point_to_pixel(points[i]);
-            const QPoint tmp(iround(tmp_.x()), iround(tmp_.y()));
-            drawLine(painter, prev, tmp, pen);
-            prev = tmp;
-        }
-    }
-
-    const QColor color = progn
-                         (
-                             if (!isEnabled() && !_preview_only)
-                             {
-                                 QColor color(spline_color);
-                                 const int avg = int(float(color.red() + color.green() + color.blue())/3);
-                                 return QColor(int(float(color.red() + avg) * .5f),
-                                               int(float(color.green() + avg) * .5f),
-                                               int(float(color.blue() + avg) * .5f),
-                                               96);
-                             }
-                             else
-                             {
-                                 QColor color(spline_color);
-                                 color.setAlphaF(color.alphaF() * .9);
-                                 return color;
-                             }
-                         );
-
-    painter.setPen(QPen(color, 1.75, Qt::SolidLine, Qt::FlatCap));
-
-//#define DEBUG_SPLINE
-#ifndef DEBUG_SPLINE
-    static constexpr double step_ = 3./3;
-
-    const double maxx = _config->max_input();
-    const double step = step_ / c.x();
-
-    QPainterPath path;
-
-    path.moveTo(point_to_pixel(QPointF(0, 0)));
-
-    for (double k = 0; k < maxx; k += step*3)
-    {
-        const float next_1(_config->get_value_no_save(k + step*1));
-        const float next_2(_config->get_value_no_save(k + step*2));
-        const float next_3(_config->get_value_no_save(k + step*3));
-
-        const QPointF b(point_to_pixel_(QPointF(k + step*1, qreal(next_1)))),
-                      c(point_to_pixel_(QPointF(k + step*2, qreal(next_2)))),
-                      d(point_to_pixel_(QPointF(k + step*3, qreal(next_3))));
-
-        path.cubicTo(b, c, d);
-    }
-
-    painter.drawPath(path);
-#else
-    static constexpr int line_length_pixels = 3;
-    const qreal max = _config->maxInput();
-    const qreal step = clamp(line_length_pixels / c.x(), 5e-2, max);
-    QPointF prev = point_to_pixel(QPoint(0, 0));
-    for (qreal i = 0; i < max; i += step)
-    {
-        const qreal val = qreal(_config->get_value_no_save(i));
-        const QPointF cur = point_to_pixel(QPointF(i, val));
-        painter.drawLine(prev, cur);
-        prev = cur;
-    }
-    {
-        const qreal maxx = _config->maxInput();
-        const qreal maxy = qreal(_config->get_value_no_save(maxx));
-        painter.drawLine(QPointF(prev), point_to_pixel_(QPointF(maxx, maxy)));
-    }
-#endif
-
-    const int alpha = !isEnabled() ? 64 : 120;
-    if (!_preview_only)
-    {
-        for (int i = 0; i < points.size(); i++)
-        {
-            drawPoint(painter,
-                      point_to_pixel(points[i]),
-                      QColor(200, 200, 210, alpha),
-                      isEnabled() ? QColor(50, 100, 120, 200) : QColor(200, 200, 200, 96));
-        }
-    }
-}
-
-void spline_widget::paintEvent(QPaintEvent *e)
-{
-    if (!_config)
-        return;
-
-    QPainter p(this);
-
-    if (_background.isNull())
-    {
-        _draw_function = true;
-        drawBackground();
-    }
-
-    if (_draw_function)
-    {
-        _draw_function = false;
-        drawFunction();
-    }
-
-    p.drawPixmap(e->rect(), _function);
-
-    // If the Tracker is active, the 'Last Point' it requested is recorded.
-    // Show that point on the graph, with some lines to assist.
-    // This new feature is very handy for tweaking the curves!
-    QPointF last;
-    if (_config->get_last_value(last) && isEnabled())
-        drawPoint(p, point_to_pixel(last), QColor(255, 0, 0, 120));
-}
-
-void spline_widget::drawPoint(QPainter& painter, const QPointF& pos, const QColor& colBG, const QColor& border)
-{
-    painter.save();
-    painter.setPen(QPen(border, 1, Qt::SolidLine, Qt::PenCapStyle::FlatCap));
-    painter.setBrush(colBG);
-    painter.drawEllipse(QRectF(pos.x() - point_size,
-                                pos.y() - point_size,
-                                point_size*2, point_size*2));
-    painter.restore();
-}
-
-void spline_widget::drawLine(QPainter& painter, const QPoint& start, const QPoint& end, const QPen& pen)
-{
-    painter.save();
-    painter.setPen(pen);
-    painter.setBrush(Qt::NoBrush);
-    painter.drawLine(start, end);
-    painter.restore();
-}
-
-void spline_widget::mousePressEvent(QMouseEvent *e)
-{
-    if (!_config || !isEnabled() || !is_in_bounds(e->pos()))
-    {
-        clearFocus();
-        return;
-    }
-
-    const int point_pixel_closeness_limit = get_closeness_limit();
-
-    points_t points = _config->get_points();
-    if (e->button() == Qt::LeftButton)
-    {
-        bool bTouchingPoint = false;
-        moving_control_point_idx = -1;
-        for (int i = 0; i < points.size(); i++)
-        {
-            if (point_within_pixel(points[i], e->pos()))
-            {
-                bTouchingPoint = true;
-                moving_control_point_idx = int(i);
-                break;
-            }
-        }
-        if (!bTouchingPoint)
-        {
-            bool too_close = false;
-            const QPoint pos = e->pos();
-
-            for (int i = 0; i < points.size(); i++)
-            {
-                const QPointF pt = point_to_pixel(points[i]);
-                const qreal x = std::fabs(pt.x() - pos.x());
-                if (point_pixel_closeness_limit >= x)
-                {
-                    too_close = true;
-                    break;
-                }
-            }
-
-            if (!too_close)
-            {
-                _config->add_point(pixel_coord_to_point(e->pos()));
-                show_tooltip(e->pos());
-            }
-        }
-    }
-
-    if (e->button() == Qt::RightButton)
-    {
-        if (_config)
-        {
-            int found_pt = -1;
-            for (int i = 0; i < points.size(); i++)
-            {
-                if (point_within_pixel(points[i], e->pos()))
-                {
-                    found_pt = i;
-                    break;
-                }
-            }
-
-            if (found_pt != -1)
-            {
-                _config->remove_point(found_pt);
-            }
-            moving_control_point_idx = -1;
-        }
-    }
-    _draw_function = true;
-    update();
-}
-
-void spline_widget::mouseMoveEvent(QMouseEvent *e)
-{
-    if (_preview_only && _config)
-    {
-        show_tooltip(e->pos());
-        clearFocus();
-        return;
-    }
-
-    if (!_config || !isEnabled() || !isActiveWindow() || (moving_control_point_idx != -1 && !hasFocus()))
-    {
-        clearFocus();
-        return;
-    }
-
-    const int i = moving_control_point_idx;
-    const points_t points = _config->get_points();
-    const int sz = points.size();
-
-    if (i >= 0 && i < sz)
-    {
-        const int point_pixel_closeness_limit = get_closeness_limit();
-        bool overlap = false;
-
-        const QPoint pix = progn(
-            // takes snap into account
-            const QPointF pix_ = point_to_pixel(pixel_coord_to_point(e->pos()));
-            return QPoint(int(pix_.x()), int(pix_.y()));
-        );
-
-        QPointF new_pt = pixel_coord_to_point(e->pos());
-
-        if (i + 1 < points.size())
-        {
-            const QPointF other_pix = point_to_pixel(points[i+1]);
-            overlap |= other_pix.x() - pix.x() < point_pixel_closeness_limit;
-        }
-        if (i != 0)
-        {
-            const QPointF other_pix = point_to_pixel(points[i-1]);
-            overlap |= pix.x() - other_pix.x() < point_pixel_closeness_limit;
-        }
-
-        if (overlap)
-            new_pt.setX(points[i].x());
-
-        _config->move_point(i, new_pt);
-        _draw_function = true;
-
-        setCursor(Qt::ClosedHandCursor);
-        show_tooltip(pix, new_pt);
-        update();
-    }
-    else if (sz)
-    {
-        int i;
-        bool is_on_point = is_on_pt(e->pos(), &i);
-
-        if (is_on_point)
-        {
-            setCursor(Qt::CrossCursor);
-            show_tooltip(e->pos(), points[i]);
-        }
-        else
-        {
-            setCursor(Qt::ArrowCursor);
-            if (is_in_bounds(e->pos()))
-                show_tooltip(e->pos());
-            else
-                QToolTip::hideText();
-        }
-    }
-}
-
-void spline_widget::mouseReleaseEvent(QMouseEvent *e)
-{
-    if (!_config || !isEnabled() || !isActiveWindow() || !hasFocus())
-    {
-        clearFocus();
-        return;
-    }
-
-    if (e->button() == Qt::LeftButton)
-    {
-        {
-            if (is_on_pt(e->pos(), nullptr))
-                setCursor(Qt::CrossCursor);
-            else
-                setCursor(Qt::ArrowCursor);
-        }
-        moving_control_point_idx = -1;
-        _draw_function = true;
-
-        if (is_in_bounds(e->pos()))
-            show_tooltip(e->pos());
-        else
-            QToolTip::hideText();
-
-        update();
-    }
-}
-
-void spline_widget::reload_spline()
-{
-    // don't recompute here as the value's about to be recomputed in the callee
-    update_range();
-}
-
-int spline_widget::get_closeness_limit()
-{
-    return std::max(iround(snap_x * c.x()), 1);
-}
-
-void spline_widget::show_tooltip(const QPoint& pos, const QPointF& value_)
-{
-    const QPointF value = QPoint(0, 0) == value_ ? pixel_coord_to_point(pos) : value_;
-
-    double x = value.x(), y = value.y();
-
-    if (_preview_only)
-        y = _config->get_value_no_save(x);
-
-    const int x_ = iround(x), y_ = iround(y);
-
-    using std::fabs;
-
-    if (fabs(x_ - x) < 1e-3)
-        x = x_;
-    if (fabs(y_ - y) < 1e-3)
-        y = y_;
-
-    const bool is_fusion = QStringLiteral("fusion") == QApplication::style()->objectName();
-    const int add_x = (is_fusion ? 25 : 0), add_y = (is_fusion ? 15 : 0);
-
-    const QPoint pix(int(pos.x()) + add_x, int(pos.y()) + add_y);
-
-    QToolTip::showText(mapToGlobal(pix),
-                       QStringLiteral("value: %1x%2").arg(x).arg(y),
-                       this,
-                       rect(),
-                       0);
-}
-
-bool spline_widget::is_in_bounds(const QPoint& pos) const
-{
-    static constexpr int grace = point_size * 3;
-    static constexpr int bottom_grace = int(point_size * 1.5);
-    return (pos.x() + grace        > pixel_bounds.left() &&
-            pos.x() - grace        < pixel_bounds.right() &&
-            pos.y() + grace        > pixel_bounds.top() &&
-            pos.y() - bottom_grace < pixel_bounds.bottom());
-}
-
-void spline_widget::update_range()
-{
-    if (!_config)
-        return;
-
-    const int w = width(), h = height();
-    const int mwl = 40, mhl = 20;
-    const int mwr = 15, mhr = 35;
-
-    pixel_bounds = QRect(mwl, mhl, (w - mwl - mwr), (h - mhl - mhr));
-    c = QPointF(pixel_bounds.width() / _config->max_input(), pixel_bounds.height() / _config->max_output());
-    _draw_function = true;
-
-    _background = QPixmap();
-    _function = QPixmap();
-
-    update();
-}
-
-bool spline_widget::point_within_pixel(const QPointF& pt, const QPoint &pixel)
-{
-    const QPointF tmp = pixel - point_to_pixel(pt);
-    return QPointF::dotProduct(tmp, tmp) < point_size * point_size;
-}
-
-void spline_widget::focusOutEvent(QFocusEvent* e)
-{
-    if (moving_control_point_idx != -1)
-        QToolTip::hideText();
-    moving_control_point_idx = -1;
-    _draw_function = true;
-    lower();
-    setCursor(Qt::ArrowCursor);
-    e->accept();
-}
-
-QPointF spline_widget::pixel_coord_to_point(const QPoint& point)
-{
-    qreal x = (point.x() - pixel_bounds.x()) / c.x();
-    qreal y = (pixel_bounds.height() - point.y() + pixel_bounds.y()) / c.y();
-
-    static constexpr int c = 1000;
-
-    if (snap_x > 0)
-    {
-        x += snap_x * .5;
-        x -= std::fmod(x, snap_x);
-        // truncate after few decimal places to reduce rounding errors.
-        // round upward to nearest.
-        x = int(x * c + .5/c) / double(c);
-    }
-    if (snap_y > 0)
-    {
-        y += snap_y * .5;
-        y -= std::fmod(y, snap_y);
-        // idem
-        y = int(y * c + .5/c) / double(c);
-    }
-
-    if (x < 0)
-        x = 0;
-    if (x > _config->max_input())
-        x = _config->max_input();
-
-    if (y < 0)
-        y = 0;
-    if (y > _config->max_output())
-        y = _config->max_output();
-
-    return QPointF(x, y);
-}
-
-QPointF spline_widget::point_to_pixel_(const QPointF& point)
-{
-    return QPointF(pixel_bounds.x() + point.x() * c.x(),
-                   pixel_bounds.y() + pixel_bounds.height() - point.y() * c.y());
-}
-
-QPoint spline_widget::point_to_pixel(const QPointF& point)
-{
-    QPointF pt(point_to_pixel_(point));
-
-    return QPoint(iround(pt.x()), iround(pt.y()));
-}
-
-void spline_widget::resizeEvent(QResizeEvent *)
-{
-    update_range();
-}
-
-bool spline_widget::is_on_pt(const QPoint& pos, int* pt)
-{
-    if (!_config)
-    {
-        if (pt)
-            *pt = -1;
-        return false;
-    }
-
-    const points_t points = _config->get_points();
-
-    for (int i = 0; i < points.size(); i++)
-    {
-        if (point_within_pixel(points[i], pos))
-        {
-            if (pt)
-                *pt = i;
-            return true;
-        }
-    }
-
-    if (pt)
-        *pt = -1;
-    return false;
-}