add turkish f keyboard layout (#5795)

frontend/ui/data/keyboardlayouts/tr_keyboard.lua

@@ -0,0 +1,71 @@
+-- Start with the english keyboard layout
+local tr_keyboard = dofile("frontend/ui/data/keyboardlayouts/en_keyboard.lua")
+
+local keys = tr_keyboard.keys
+
+-- Insert 2 additional key at the end of first 3 rows.
+-- 5th and 6th modes are from Kurdish and Azerbaijani alphabets.
+-- Add Ğ, G with breve
+table.insert(keys[1],
+           --  1       2       3       4       5       6       7       8
+            { "Ğ",    "ğ",    "«",    "μ",    "Ź",    "ź",    "γ",    "σ", }
+)
+
+-- Add Ü, U with umlaut
+table.insert(keys[1],
+           --  1       2       3       4       5       6       7       8
+            { "Ü",    "ü",    "»",    "β",    "Ə",    "ə",    "δ",    "ψ", }
+)
+
+-- Add Ş, S with cedilla
+table.insert(keys[2],
+           --  1       2       3       4       5       6       7       8
+            { "Ş",    "ş",    "`",    "α",    "Ḧ",    "ḧ",    "ε",    "χ", }
+)
+
+-- Add İ and i, dotted I and i
+table.insert(keys[2],
+           --  1       2       3       4       5       6       7       8
+            { "İ",    "i",    "₺",    "θ",    "Ẍ",    "ẍ",    "η",    "τ", }
+)
+
+-- Add Ö, O with umlaut
+table.insert(keys[3], 9,
+           --  1       2       3       4       5       6       7       8
+            { "Ö",    "ö",    "²",    "π",    "Ł",    "ł",    "ι",    "ρ", }
+)
+
+-- Add Ç, C with cedilla
+table.insert(keys[3], 10,
+           --  1       2       3       4       5       6       7       8
+            { "Ç",    "ç",    "℃",    "ω",    "Ř",    "ř",    "ν",    "κ", }
+)
+
+-- Add forward slash and .com symbol to 4th row since we have lot of empty space
+--and most phones do this.
+table.insert(keys[4], 7,
+           --  1       2       3       4       5       6       7       8
+            { ".com", "/",    "√",    "λ",    "\"",   "\"",  "ζ",    "ξ", }
+)
+
+-- Make .com and Unicode buttons larger since we still have space.
+keys[4][3].width = 1.5
+keys[4][7].width = 1.5
+
+-- Change lowercase "i" to "ı"
+keys[1][8][2] = "ı"
+
+-- Translate the "space" string
+keys[4][4].label = "boşluk"
+
+--Or remove / and move Ü to 3rd row.
+--keys[4][7] = keys[3][11]
+--keys[3][11] = keys[1][12]
+--table.remove(keys[1], 12)
+--Shrink Backspace, Shift, Sym, Unicode buttons to normal.
+--keys[3][1].width = 1
+--keys[3][11].width = 1
+--keys[4][1].width = 1
+--keys[4][3].width = 1
+
+return tr_keyboard

frontend/ui/widget/virtualkeyboard.lua

@@ -667,6 +667,7 @@ local VirtualKeyboard = FocusManager:new{
         ro = "ro_keyboard",
         ko_KR = "ko_KR_keyboard",
         ru = "ru_keyboard",
+        tr = "tr_keyboard",
     },
 }