Feat: 1. Vertical and horizontal mode for painting 2. Optimize Camera behavior (#2424)

* fix camera and update locale

* Paint horizontally or vertically

src/slic3r/GUI/Gizmos/GLGizmoPainterBase.hpp

@@ -304,6 +304,10 @@ protected:
     static constexpr float SmartFillAngleMax  = 90.f;
     static constexpr float SmartFillAngleStep = 1.f;
 
+    // Orca: paint behavior enchancement
+    bool m_vertical_only = false;
+    bool m_horizontal_only = false;
+
     // It stores the value of the previous mesh_id to which the seed fill was applied.
     // It is used to detect when the mouse has moved from one volume to another one.
     int      m_seed_fill_last_mesh_id     = -1;