Added a refresh feature

start.lua

@@ -6,14 +6,14 @@ lfs = require('lfs')
 function to_pc(button)
     print(button:label())
     if selected_device ~= '' then
-        os.execute('cp -r '..selected_path..'/. '..local_dir)
+        os.execute('cp -rv '..selected_path..'/. '..local_dir)
     end
 end
 
 function to_phone(button)
     print(button:label())
     if selected_device ~= '' then
-        os.execute('cp -r '..local_dir..'/. '..selected_path)
+        os.execute('cp -rv '..local_dir..'/. '..selected_path)
     end
 end
 
@@ -26,36 +26,59 @@ function input_choice_cb(_, ic)
     to_phone_btn:activate()
 end
 
+function refresh_devices()
+    handle = io.popen('ls '..mount_point)
+    phone_dir_output = handle:read('*a')
+    handle:close()
+
+    phone_dir = {}
+    for i in string.gmatch(phone_dir_output, '%S+') do
+        phone_dir[#phone_dir + 1] = i
+    end
+
+    if win then
+        if #phone_dir == 0 then
+	    device_choice:clear()
+            device_choice:deactivate()
+            to_pc_btn:deactivate()
+            to_phone_btn:deactivate()
+        else
+	    device_choice:activate()
+	    to_pc_btn:activate()
+	    to_phone_btn:activate()
+            for i = 1, #phone_dir do
+                device_choice:add(phone_dir[i])
+            end
+	end
+    end
+end
+
 selected_device = ''
 selected_path = ''
 my_dir = lfs.currentdir()
 local_dir = '/home/victoria/.config/StardewValley/Saves'
 mount_point = '/run/user/1000/gvfs'
-handle = io.popen('ls '..mount_point)
---handle = io.popen('ls ~')
-phone_dir_output = handle:read('*a')
-handle:close()
-
-phone_dir = {}
-for i in string.gmatch(phone_dir_output, '%S+') do
-    phone_dir[#phone_dir + 1] = i
-end
 
 W, H = 320, 360
 
 fl.visual('rgb')
 win = fl.double_window(W, H, 'Синхронизатор')
 win:color(fl.WHITE)
---fl.background(255, 255, 255)
---fl.set_font(1, ' Roboto')
---fl.font(1, 12)
+icon_img = fl.png_image(my_dir..'/img/icon.png')
+win:icon(icon_img)
+fl.background(240, 240, 240)
+
 bg_img = fl.png_image(my_dir..'/img/bg.png')
 bg_box = fl.box(1, 1, W, H)
 bg_box:image(bg_img)
 
 title = fl.box(0, 10, W, 30, 'Выберите устройство:')
-ic = fl.input_choice(10, 50, W-20, 30)
-ic:callback(input_choice_cb, ic)
+refresh_img = fl.png_image(my_dir..'/img/refresh.png')
+refresh_btn = fl.button(10, 50, 30, 30)
+refresh_btn:callback(refresh_devices)
+refresh_btn:image(refresh_img)
+device_choice = fl.input_choice(50, 50, W-60, 30)
+device_choice:callback(input_choice_cb, device_choice)
 
 to_pc_btn = fl.button(50, H/2, W-100, 30, 'На ПК')
 to_pc_btn:callback(to_pc)
@@ -64,15 +87,7 @@ to_phone_btn = fl.button(50, H/2+40, W-100, 30, 'На телефон')
 to_phone_btn:callback(to_phone)
 to_phone_btn:deactivate()
 
-if #phone_dir == 0 then
-    ic:deactivate()
-    to_pc_btn:deactivate()
-    to_phone_btn:deactivate()
-else
-    for i = 1, #phone_dir do
-        ic:add(phone_dir[i])
-    end
-end
+refresh_devices()
 
 win:done()
 win:show(arg[0], arg)