3DPrinting/PrusaSlicer-NonPlainar
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SPE-1667 - Added 'Zoom to mouse cursor' by Shift+Mouse wheel

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Successfully enhanced and integrated into PrusaSlicer from 3f2ee4062b

Co-authored-by: liz.li <liz.li@bambulab.com>

Co-authored-by: lane.wei <lane.wei@bambulab.com>
This commit is contained in:
enricoturri1966 2023-04-19 11:45:37 +02:00
parent 9e56625287
commit 85dd2e486a
1 changed files with 15 additions and 2 deletions
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17
src/slic3r/GUI/GLCanvas3D.cpp
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@ -2939,8 +2939,21 @@ void GLCanvas3D::on_mouse_wheel(wxMouseEvent& evt)
return;
// Calculate the zoom delta and apply it to the current zoom factor
double direction_factor = wxGetApp().app_config->get_bool("reverse_mouse_wheel_zoom") ? -1.0 : 1.0;
_update_camera_zoom(direction_factor * (double)evt.GetWheelRotation() / (double)evt.GetWheelDelta());
const double direction_factor = wxGetApp().app_config->get_bool("reverse_mouse_wheel_zoom") ? -1.0 : 1.0;
const double delta = direction_factor * (double)evt.GetWheelRotation() / (double)evt.GetWheelDelta();
if (wxGetKeyState(WXK_SHIFT)) {
const auto cnv_size = get_canvas_size();
const auto screen_center_3d_pos = _mouse_to_3d({ cnv_size.get_width() * 0.5, cnv_size.get_height() * 0.5 });
const auto mouse_3d_pos = _mouse_to_3d({ evt.GetX(), evt.GetY() });
const Vec3d displacement = mouse_3d_pos - screen_center_3d_pos;
wxGetApp().plater()->get_camera().translate_world(displacement);
const double origin_zoom = wxGetApp().plater()->get_camera().get_zoom();
_update_camera_zoom(delta);
const double new_zoom = wxGetApp().plater()->get_camera().get_zoom();
wxGetApp().plater()->get_camera().translate_world((-displacement) / (new_zoom / origin_zoom));
}
else
_update_camera_zoom(delta);
}
void GLCanvas3D::on_timer(wxTimerEvent& evt)