gui2: started working on a SDRAM based GUI implementation.

avr/modules/lcd2/gui/TODO

@@ -1,4 +1,39 @@
 
+
+object:
+- next          2        2
+- parent        2        4
+- child         2        6
+- opts          2        8
+- flags         1        9
+- selector      1        10 
+- target        2        12
+- signalMap     2        14
+
+widget:
+- X             1        15
+- Y             1        16
+- W             1        17
+- H             1        18
+- style         2 (ptr)  20
+  - frontCol      2      2
+  - backCol       2      4
+  - borderCol     2      6
+  - borderWidth   1      7
+  - font          2      9
+  - charWidth     1      10
+  - charHeight    1      11
+
+
+
+page: light
+- up to 8 light bulbs, each for one device
+- lightPage:
+  - SDRAM: ptr to lightData
+    - address of target device (1 byte)
+    - currentMode              (1 byte)
+    - currentColor             (4 bytes)
+
 - sensor watch:
   - SDRAM vars:
     - change limits
@@ -7,6 +42,42 @@
       - SENSORWATCH_SD_OFFS_UPPERLIMIT_CRIT_LO
       - SENSORWATCH_SD_OFFS_LOWERLIMIT_CRIT_LO
     - add private flags (HAVE_VALUE, USE_UPPERWARNLIMIT, USE_LOWERWARNLIMIT, USE_UPPERCRITLIMIT, USE_LOWERCRITLIMIT)
+  - widgets:
+    
+    Mode:  [Auto] [On] [Off]
+    Color:  [Preset1] [Preset2] [Preset3]
+      Red:   [123]
+      Green: [123]
+      Blue:  [123]
+      White: [123]
+
+page: numInput   (g_win_numinput)
+- SDRAM:
+  - prevPage
+  - flags
+  - minNum
+  - maxNum
+  - currPos
+  - editBuffer[7]
+- widgets:
+
+
+textField:
+- SDRAM:
+  - ptrText
+  - slots:
+    - setText(newText)
+    - draw(): draw text and a cursor behind it
+
+
+   [123       ]
+   ------------
+   [7] [8] [9]
+   [4] [5] [6]
+   [1] [2] [3]
+   [,] [0] [<]
+   ------------
+   [Okay] [Abort]
 
 
 - new pages: