Misc fixes to GUI strings (#14047)

* Degrees symbol don't need localization

* The Z when referring to the axis should be uppercase

* Fix the spelling of "GitHub" to camelcase

* Unify the casing of mouse button shortcuts

* Always use G-code with an hyphen

* Fix the spelling of "restricted"

* More grammar fixes

* add missing modifications

---------

Co-authored-by: SoftFever <softfeverever@gmail.com>

src/libslic3r/PrintConfig.cpp

@@ -4388,7 +4388,7 @@ void PrintConfigDef::init_fff_params()
     def->tooltip  = L("Reduce the height of top-surface perimeters to match the model edge height.\n"
                       "Affects perimeters with a slope less than this angle (degrees).\n"
                       "A reasonable value is 35. Set to 0 to disable.");
-    def->sidetext = L("°");
+    def->sidetext = u8"°";	// degrees, don't need translation
     def->min      = 0;
     def->max      = 90;
     def->mode     = comExpert;
@@ -4402,7 +4402,7 @@ void PrintConfigDef::init_fff_params()
     def->set_default_value(new ConfigOptionBool(false));
 
     def = this->add("zaa_min_z", coFloat);
-    def->label    = L("Minimum z height");
+    def->label    = L("Minimum Z height");
     def->category = L("Quality");
     def->tooltip  = L("Minimum Z-layer height.\n"
                       "Also controls the slicing plane.");

src/slic3r/GUI/GLCanvas3D.cpp

@@ -1210,8 +1210,8 @@ GLCanvas3D::GLCanvas3D(wxGLCanvas* canvas, Bed3D &bed)
     const wxString alt   = GUI::shortkey_alt_prefix();
 
     m_shortcuts_assembly_view = {
-        {_L("Left mouse button"),       _L("Object Selection")},
-        {alt + _L("Left mouse button"), _L("Part Selection")},
+        {_L("Left mouse button"),       _L("Object selection")},
+        {alt + _L("Left mouse button"), _L("Part selection")},
         {"1~16 " + _L("number keys"),   _L("Number keys can quickly change the color of objects")},
     };
 }
@@ -9468,7 +9468,7 @@ void GLCanvas3D::_render_paint_toolbar() const
 
 float GLCanvas3D::_render_assembly_tooltip_button(ImGuiWrapper* imgui_wrapper) const
 {
-    const float text_height = imgui_wrapper->calc_text_size(_L("part selection")).y;
+    const float text_height = imgui_wrapper->calc_text_size(_L("Part selection")).y;
     ImVec2      windowPos   = ImGui::GetWindowPos();
     float       x           = windowPos.x;
     float       y           = windowPos.y - ImGui::GetFrameHeight() - (5 * text_height);

src/slic3r/GUI/GUI_App.cpp

@@ -472,7 +472,7 @@ static const FileWildcards file_wildcards_by_type[FT_SIZE] = {
     /* FT_OBJ */     { L("OBJ files"),       { ".obj"sv } },
     /* FT_AMF */     { L("AMF files"),       { ".amf"sv, ".zip.amf"sv, ".xml"sv } },
     /* FT_3MF */     { L("3MF files"),       { ".3mf"sv } },
-    /* FT_GCODE_3MF */ {L("Gcode 3MF files"), {".gcode.3mf"sv}},
+    /* FT_GCODE_3MF */ {L("G-code 3MF files"), {".gcode.3mf"sv}},
     /* FT_GCODE */   { L("G-code files"),    { ".gcode"sv} },
 #ifdef __APPLE__
     /* FT_MODEL */

src/slic3r/GUI/Gizmos/GLGizmoAssembly.cpp

@@ -162,7 +162,7 @@ void GLGizmoAssembly::render_input_window_warning(bool same_model_object)
     if (not_assembled_warning) {
         m_imgui->warning_text(
             _L("Warning") + ": " +
-            _L("It is recommended to assemble the objects first,\nbecause the objects is restriced to bed \nand only parts can be lifted.")
+            _L("It is recommended to assemble objects first,\nbecause they are restricted to the bed \nand only parts can be lifted.")
         );
     }
 }

src/slic3r/GUI/Plater.cpp

@@ -7684,7 +7684,7 @@ void Plater::priv::split_object(int obj_idx, bool auto_drop /* = true */)
         };
         bool split_auto_drop = auto_drop;
         if (current_model_object->instances[0]->auto_drop && is_atleast_one_floating()) {
-            MessageDialog dlg(q, _L("Disable Auto-Drop to preserve z positioning?\n"),
+            MessageDialog dlg(q, _L("Disable Auto-Drop to preserve Z positioning?\n"),
                                   _L("Object with floating parts was detected"), wxICON_QUESTION | wxYES_NO);
 
             if (dlg.ShowModal() == wxID_YES)

src/slic3r/GUI/ReleaseNote.cpp

@@ -255,7 +255,7 @@ UpdateVersionDialog::UpdateVersionDialog(wxWindow *parent)
 
     // Store builds get updates from the Microsoft Store: wxID_YES opens the Store
     // product page there (see the EVT_SLIC3R_VERSION_ONLINE handler) instead of GitHub.
-    auto github_link = new HyperLink(this, is_running_in_msix() ? _L("Check on Microsoft Store") : _L("Check on Github"), "", LB_AUTO_WRAP);
+    auto github_link = new HyperLink(this, is_running_in_msix() ? _L("Check on Microsoft Store") : _L("Check on GitHub"), "", LB_AUTO_WRAP);
     github_link->Bind(wxEVT_LEFT_DOWN, [this](wxMouseEvent &e) {
         EndModal(wxID_YES);
     });