diff options
Diffstat (limited to 'qfunctionconfigurator/qfunctionconfigurator.cpp')
| -rw-r--r-- | qfunctionconfigurator/qfunctionconfigurator.cpp | 41 |
1 files changed, 28 insertions, 13 deletions
diff --git a/qfunctionconfigurator/qfunctionconfigurator.cpp b/qfunctionconfigurator/qfunctionconfigurator.cpp index d058f905..a977af77 100644 --- a/qfunctionconfigurator/qfunctionconfigurator.cpp +++ b/qfunctionconfigurator/qfunctionconfigurator.cpp @@ -133,7 +133,7 @@ void QFunctionConfigurator::drawFunction() QPen pen(spline_color, 1.2, Qt::SolidLine); const double max = _config->maxInput(); - const double step = std::max(1e-2, max / 500.); + const double step = std::max(1e-2, max / 1000.); QPointF prev = point_to_pixel(QPointF(0, 0)); for (double i = 0; i < max; i += step) { @@ -175,7 +175,7 @@ void QFunctionConfigurator::paintEvent(QPaintEvent *e) // This new feature is very handy for tweaking the curves! QPointF last; if (_config->getLastPoint(last)) { - QPointF pixel_pos = point_to_pixel( QPointF(fabs(last.x()), fabs(last.y())) ); + QPointF pixel_pos = point_to_pixel(last); drawPoint(&p, pixel_pos, QColor(255, 0, 0, 120)); } } @@ -218,7 +218,22 @@ void QFunctionConfigurator::mousePressEvent(QMouseEvent *e) } } if (!bTouchingPoint) { - _config->addPoint(pixel_coord_to_point(e->pos())); + bool too_close = false; + const auto pos = e->pos(); + + for (int i = 0; i < points.size(); i++) + { + const QPointF pt = point_to_pixel(points[i]); + const auto x = pt.x() - pos.x(); + if (point_closeness_limit * point_closeness_limit >= x * x) + { + too_close = true; + break; + } + } + + if (!too_close) + _config->addPoint(pixel_coord_to_point(e->pos())); } } } @@ -258,8 +273,6 @@ void QFunctionConfigurator::mouseMoveEvent(QMouseEvent *e) QPoint pix = e->pos(); QPointF new_pt = pixel_coord_to_point(pix); - static constexpr int limit = 16; - for (int i = 0; i < 2; i++) { bool bad = false; @@ -267,10 +280,10 @@ void QFunctionConfigurator::mouseMoveEvent(QMouseEvent *e) { auto other = points[moving_control_point_idx+1]; auto other_pix = point_to_pixel(other); - bad = pix.x() + limit > other_pix.x(); + bad = pix.x() + point_closeness_limit > other_pix.x(); if (i == 0 && bad) { - pix.setX(other_pix.x() - limit - 1); + pix.setX(other_pix.x() - point_closeness_limit - 1); new_pt = pixel_coord_to_point(pix); } else @@ -280,10 +293,10 @@ void QFunctionConfigurator::mouseMoveEvent(QMouseEvent *e) { auto other = points[moving_control_point_idx-1]; auto other_pix = point_to_pixel(other); - bad = pix.x() - limit < other_pix.x(); + bad = pix.x() - point_closeness_limit < other_pix.x(); if (i == 0 && bad) { - pix.setX(other_pix.x() + limit + 1); + pix.setX(other_pix.x() + point_closeness_limit + 1); new_pt = pixel_coord_to_point(pix); } else @@ -302,14 +315,16 @@ void QFunctionConfigurator::mouseMoveEvent(QMouseEvent *e) } } else { - bool bTouchingPoint = false; + bool is_on_point = false; for (int i = 0; i < points.size(); i++) { - if ( point_within_pixel(points[i], e->pos() ) ) { - bTouchingPoint = true; + const QPoint pos = e->pos(); + if (point_within_pixel(points[i], pos)) { + is_on_point = true; + break; } } - if ( bTouchingPoint ) { + if (is_on_point) { setCursor(Qt::OpenHandCursor); } else { |