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match em_unit value for on_dpi_change for linux (#15043)

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* Update GUI_Utils.hpp

* Update GUI_Utils.hpp
This commit is contained in:
yw4z
2026-08-04 03:45:31 +03:00
committed by GitHub
parent ca7fbfb007
commit 40eab797c6
1 changed files with 15 additions and 10 deletions
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25
src/slic3r/GUI/GUI_Utils.hpp
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@@ -113,14 +113,7 @@ public:
update_dark_ui(this);
#endif
// Linux specific issue : get_dpi_for_window(this) still doesn't responce to the Display's scale in new wxWidgets(3.1.3).
// So, calculate the m_em_unit value from the font size, as before
#if !defined(__WXGTK__)
m_em_unit = std::max<size_t>(10, 10.0f * m_scale_factor);
#else
// initialize default width_unit according to the width of the one symbol ("m") of the currently active font of this window.
m_em_unit = std::max<size_t>(10, this->GetTextExtent("m").x - 1);
#endif // __WXGTK__
update_em_unit();
// recalc_font();
@@ -235,6 +228,19 @@ private:
// m_em_unit = metrics.averageWidth;
// }
// update em_unit value for new window font
void update_em_unit()
{
// Linux specific issue : get_dpi_for_window(this) still doesn't responce to the Display's scale in new wxWidgets(3.1.3).
// So, calculate the m_em_unit value from the font size, as before
#if !defined(__WXGTK__)
m_em_unit = std::max<size_t>(10, 10.0f * m_scale_factor);
#else
// initialize default width_unit according to the width of the one symbol ("m") of the currently active font of this window.
m_em_unit = std::max<size_t>(10, this->GetTextExtent("m").x - 1);
#endif // __WXGTK__
}
// check if new scale is differ from previous
bool is_new_scale_factor() const { return fabs(m_scale_factor - m_prev_scale_factor) > 0.001; }
@@ -247,8 +253,7 @@ private:
// set normal application font as a current window font
m_normal_font = this->GetFont();
// update em_unit value for new window font
m_em_unit = std::max<int>(10, 10.0f * m_scale_factor);
update_em_unit();
// rescale missed controls sizes and images
on_dpi_changed(suggested_rect);