Work on applying the probed heightmap.

sender_app.h

@@ -87,7 +87,6 @@ private:
     void draw_contents() override;
 
     grbl::machine cnc{};
-private:
 
     nanogui::TextBox *txt_min_z = nullptr, *txt_feed = nullptr;
     nanogui::TextBox *txt_heightmap_from_x = nullptr, *txt_heightmap_from_y = nullptr;
@@ -101,13 +100,20 @@ private:
     nanogui::Color color_green = nanogui::Color(0, 255, 0, 255);
     nanogui::Button *btn_load_program = nullptr, *btn_check_program = nullptr, *btn_run_program = nullptr;
 
-    nanogui::Widget *info_layer = nullptr, *heightmap_layer = nullptr;
     nanogui::TabWidget *tab_widget = nullptr;
+
+    nanogui::VScrollPanel *info_vscroll = nullptr;
+    nanogui::Widget *info_layer = nullptr;
+
+    nanogui::Widget *heightmap_layer = nullptr;
+
+
     nanogui::VScrollPanel *settings_vscroll = nullptr;
     nanogui::Widget *settings_layer = nullptr;
 
     nanogui::VScrollPanel *parameters_vscroll = nullptr;
     nanogui::Widget *parameters_layer = nullptr;
+
     nanogui::TextBox *mpos_x_text = nullptr, *mpos_y_text = nullptr, *mpos_z_text = nullptr;
     nanogui::ComboBox *cbo_work_offset = nullptr, *cbo_tool = nullptr, *cbo_jog_feed_rates = nullptr, *cbo_jog_distance = nullptr;