Allow letter "T" for open text gizmo

src/slic3r/GUI/Gizmos/GLGizmoEmboss.cpp

@@ -526,6 +526,7 @@ bool GLGizmoEmboss::on_init()
     m_rotate_gizmo.init();
     ColorRGBA gray_color(.6f, .6f, .6f, .3f);
     m_rotate_gizmo.set_highlight_color(gray_color);
+    m_shortcut_key = WXK_CONTROL_T;
     return true;
 }
 
@@ -771,6 +772,14 @@ void GLGizmoEmboss::on_set_state()
         // Try(when exist) set text configuration by volume 
         set_volume(priv::get_selected_volume(m_parent.get_selection()));
 
+        // when open window by "T" and no valid volume is selected, so Create new one
+        if (m_volume == nullptr) { 
+            // reopen gizmo when new object is created
+            GLGizmoBase::m_state = GLGizmoBase::Off;
+            // start creating new object
+            create_volume(ModelVolumeType::MODEL_PART);
+        }
+
         // change position of just opened emboss window
         if (m_allow_float_window) 
             m_set_window_offset = priv::calc_fine_position(m_parent.get_selection(), get_minimal_window_size(), m_parent.get_canvas_size());

src/slic3r/GUI/KBShortcutsDialog.cpp

@@ -154,6 +154,7 @@ void KBShortcutsDialog::fill_shortcuts()
             { "L", L("Gizmo FDM paint-on supports") },
             { "P", L("Gizmo FDM paint-on seam") },
             { "N", L("Gizmo Multi Material painting") },
+            { "T", L("Gizmo Text emboss / engrave")},
             { "Esc", L("Unselect gizmo or clear selection") },
             { "K", L("Change camera type (perspective, orthographic)") },
             { "B", L("Zoom to Bed") },