disabling button on main menu, change labels and add 'icons' (#2466)

* disabling button on main menu, change labels and add 'icons'

* fix reverse order of buttons

---------

Co-authored-by: gullradriel <gullradriel@no-mail.com>

README.md

@@ -26,7 +26,7 @@ This repository expands upon the previous work by many people and aims to consta
 ## What to buy?
 
 <!---not direct to h4m but to opensourcesdrlab https://share.hackrf.app/TUOLYI---> 
-:heavy_check_mark: ![Static Badge](https://img.shields.io/badge/NEW-yellow) The fabulous H4M [complete](https://share.hackrf.app/HR60Q4) or [upgrade](https://share.hackrf.app/FPLM1H), featuring numerous improvements and accessories. Sold by our friends at [OpenSourceSDRLab](https://share.hackrf.app/99SAMT). Join their giveaways on discord (check the badge on top).
+:heavy_check_mark: ![Static Badge](https://img.shields.io/badge/NEW-yellow) The fabulous H4M [complete](https://share.hackrf.app/HR60Q4) or [upgrade](https://share.hackrf.app/FPLM1H), featuring numerous improvements and accessories. Sold by our friends at [OpenSourceSDRLab](https://share.hackrf.app/99SAMT). Join their giveaways on discord (check the badge on top). _EU customers_ can purchase via [Lab401](https://lab401.com/products/portapack-h4m).
 
 :heavy_check_mark: A recommended one is this [PortaPack H2](https://www.ebay.com/itm/116382397447), that includes everything you need with the plastic case "inspired" on [this](https://github.com/portapack-mayhem/mayhem-firmware/wiki/3d-printed-enclosure).
 

firmware/application/CMakeLists.txt

@@ -377,7 +377,7 @@ set(INCDIR ${CMAKE_CURRENT_BINARY_DIR} ${COMMON} ${PORTINC} ${KERNINC} ${TESTINC
 	hw
 	apps
 	protocols
-	bitmaps
+	bmps
 )
 
 #

firmware/application/ui/ui_btngrid.cpp

@@ -110,12 +110,12 @@ void BtnGridView::set_arrow_up_enabled(bool enabled) {
     if (enabled) {
         if (!arrow_up_enabled) {
             arrow_up_enabled = true;
-            button_pgup.set_text("PAGE UP");
+            button_pgup.set_text("< PREV");
         }
     } else if (!enabled) {
         if (arrow_up_enabled) {
             arrow_up_enabled = false;
-            button_pgup.set_text("       ");
+            button_pgup.set_text("      ");
         }
     }
 };
@@ -126,12 +126,12 @@ void BtnGridView::set_arrow_down_enabled(bool enabled) {
     if (enabled) {
         if (!arrow_down_enabled) {
             arrow_down_enabled = true;
-            button_pgdown.set_text("PAGE DOWN");
+            button_pgdown.set_text("NEXT >");
         }
     } else if (!enabled) {
         if (arrow_down_enabled) {
             arrow_down_enabled = false;
-            button_pgdown.set_text("         ");
+            button_pgdown.set_text("      ");
         }
     }
 };
@@ -228,6 +228,10 @@ NewButton* BtnGridView::item_view(size_t index) const {
 
 void BtnGridView::show_arrows_enabled(bool enabled) {
     show_arrows = enabled;
+    if (!enabled) {
+        remove_child(&button_pgup);
+        remove_child(&button_pgdown);
+    }
 }
 
 bool BtnGridView::set_highlighted(int32_t new_value) {