diff options
| -rw-r--r-- | spline/spline-widget.cpp | 15 | ||||
| -rw-r--r-- | spline/spline-widget.hpp | 6 |
2 files changed, 20 insertions, 1 deletions
diff --git a/spline/spline-widget.cpp b/spline/spline-widget.cpp index d329d8e2..363720c8 100644 --- a/spline/spline-widget.cpp +++ b/spline/spline-widget.cpp @@ -260,6 +260,21 @@ void spline_widget::drawFunction() } } +double spline_widget::screen_dpi() const +{ +#ifdef _WIN32 + return std::max(devicePixelRatioF, 1.); +#else + return std::max(std::max(logicalDpiX()/(double)physicalDpiX(), devicePixelRatioF()), 1.); +#endif +} + +QSize spline_widget::minimumSizeHint() const +{ + const double dpi = screen_dpi(); + return { iround(800 * dpi), iround(250 * dpi) }; +} + void spline_widget::paintEvent(QPaintEvent *e) { if (!config) diff --git a/spline/spline-widget.hpp b/spline/spline-widget.hpp index 178e5b23..ab0060f2 100644 --- a/spline/spline-widget.hpp +++ b/spline/spline-widget.hpp @@ -54,6 +54,8 @@ public: void set_snap(double x, double y) { snap_x = x; snap_y = y; } void get_snap(double& x, double& y) const { x = snap_x; y = snap_y; } + + QSize minimumSizeHint() const override; public slots: void reload_spline(); protected slots: @@ -79,6 +81,8 @@ private: void update_range(); void changeEvent(QEvent* e) override; + double screen_dpi() const; + QPointF pixel_to_point(const QPointF& point); QPointF point_to_pixel(const QPointF& point); @@ -105,7 +109,7 @@ private: // point's circle radius on the widget static constexpr int point_size_in_pixels_ = 4; - const double point_size_in_pixels = point_size_in_pixels_ * std::fmax(1, devicePixelRatioF() * .66); + const double point_size_in_pixels = point_size_in_pixels_ * screen_dpi(); }; } // ns spline_detail |