key event map for Android

frontend/ui/device.lua

@@ -104,21 +104,31 @@ end
 
 Device.isAndroid = util.isAndroid
 
-function Device:hasNoKeyboard()
-    if self.has_no_keyboard ~= nil then return self.has_no_keyboard end
+-- device has qwerty keyboard
+function Device:hasKeyboard()
+    if self.has_keyboard ~= nil then return self.has_keyboard end
     if not isAndroid then
         local model = self:getModel()
-        self.has_no_keyboard = (model == "KindlePaperWhite") or (model == "KindlePaperWhite2")
-                            or (model == "KindleTouch") or self:isKobo()
+        self.has_keyboard = (model == "Kindle2") or (model == "Kindle3")
+                            or util.isEmulated()
     else
-        self.has_no_keyboard = ffi.C.AConfiguration_getKeyboard(android.app.config)
-                            ~= ffi.C.ACONFIGURATION_KEYBOARD_QWERTY
+        self.has_keyboard = ffi.C.AConfiguration_getKeyboard(android.app.config)
+                            == ffi.C.ACONFIGURATION_KEYBOARD_QWERTY
     end
-    return self.has_no_keyboard
+    return self.has_keyboard
 end
 
-function Device:hasKeyboard()
-    return not self:hasNoKeyboard()
+function Device:hasNoKeyboard()
+    return not self:hasKeyboard()
+end
+
+-- device has hardware keys for pagedown/pageup
+function Device:hasKeys()
+    if self.has_keys ~= nil then return self.has_keys end
+    local model = self:getModel()
+    self.has_keys = (model ~= "KindlePaperWhite") and (model ~= "KindlePaperWhite2")
+                    and (model ~= "KindleTouch") and not self:isKobo()
+    return self.has_keys
 end
 
 function Device:isTouchDevice()

frontend/ui/input.lua

@@ -245,6 +245,35 @@ function Input:initKeyMap()
         [78] = "RPgFwd", -- normal PageDown
         [76] = "Del", -- Delete
     }
+    self.android_event_map = {
+        [29] = "A", [30] = "B", [31] = "C", [32] = "D", [33] = "E", [34] = "F",
+        [35] = "G", [36] = "H", [37] = "I", [38] = "J", [39] = "K", [40] = "L",
+        [41] = "M", [42] = "N", [43] = "O", [44] = "P", [45] = "Q", [46] = "R",
+        [47] = "S", [48] = "T", [49] = "U", [50] = "V", [51] = "W", [52] = "X",
+        [53] = "Y", [54] = "Z", [ 7] = "0", [ 8] = "1", [ 9] = "2", [10] = "3",
+        [11] = "4", [12] = "5", [13] = "6", [14] = "7", [15] = "8", [16] = "9",
+
+        [4] = "Back",   -- BACK
+        [19] = "Up",    -- DPAD_UP
+        [20] = "Down",  -- DPAD_UP
+        [21] = "Left",  -- DPAD_LEFT
+        [22] = "Right", -- DPAD_RIGHT
+        [23] = "Press", -- DPAD_CENTER
+        [24] = "LPgBack", -- VOLUME_UP
+        [25] = "LPgFwd",  -- VOLUME_DOWN
+        [56] = ".",     -- PERIOD
+        [59] = "Shift", -- SHIFT_LEFT
+        [60] = "Shift", -- SHIFT_RIGHT
+        [62] = " ",     -- SPACE
+        [63] = "Sym",   -- SYM
+        [66] = "Enter", -- ENTER
+        [67] = "Del",   -- DEL
+        [76] = "/",     -- SLASH
+        [82] = "Menu",  -- MENU
+        [84] = "Search",--SEARCH
+        [92] = "LPgBack", -- PAGE_UP
+        [93] = "LPgFwd",  -- PAGE_DOWN
+    }
 
     self.modifiers = {
         Alt = false,
@@ -426,6 +455,7 @@ function Input:init()
             input.open("/dev/input/event1")
         elseif util.isAndroid() then
             DEBUG("Auto-detected Android")
+            self.event_map = self.android_event_map
             self:adjustAndroidEventMap()
             function Input:handleMiscEv(ev)
                 return Input:handleAndroidMiscEvent(ev)
@@ -467,6 +497,9 @@ function Input:adjustKoboEventMap()
 end
 
 function Input:adjustAndroidEventMap()
+    self.event_map[104] = "LPgBack" -- T68 PageUp
+    self.event_map[109] = "LPgFwd"  -- T68 PageDown
+    self.event_map[139] = "Menu"    -- T68 Menu
 end
 
 function Input:setTimeout(cb, tv_out)