added early keyboard work and some other fixes

1 files changed, 179 insertions, 16 deletions

diff --git a/xrdp/funcs.c b/xrdp/funcs.c
index dfa4abcd..de367201 100644
--- a/xrdp/funcs.c
+++ b/xrdp/funcs.c
@@ -1,4 +1,3 @@
-
 /*
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -62,21 +61,6 @@ int rect_intersect(struct xrdp_rect* in1, struct xrdp_rect* in2,
 }
 
 /*****************************************************************************/
-int color16(int r, int g, int b)
-{
-  r = r >> 3;
-  g = g >> 2;
-  b = b >> 3;
-  return (r << 11) | (g << 5) | b;
-}
-
-/*****************************************************************************/
-int color24(int r, int g, int b)
-{
-  return r | (g << 8) | (b << 16);
-}
-
-/*****************************************************************************/
 /* adjust the bounds to fit in the bitmap */
 /* return false if there is nothing to draw else return true */
 int check_bounds(struct xrdp_bitmap* b, int* x, int* y, int* cx, int* cy)
@@ -105,3 +89,182 @@ int check_bounds(struct xrdp_bitmap* b, int* x, int* y, int* cx, int* cy)
     *cy = b->height - *y;
   return 1;
 }
+
+/*  scan codes
+    1   esc
+    2   1 or ?
+    3   2 or @
+    4   3 or #
+    5   4 or $
+    6   5 or %
+    7   6 or ^
+    8   7 or &
+    9   8 or *
+    10  9 or (
+    11  10 or )
+    12  11 or _
+    13  12 or +
+    14  backspace
+    15  tab
+    16  q or Q
+    17  w or W
+    18  e or E
+    19  r or R
+    20  t or T
+    21  y or Y
+    22  u or U
+    23  i or I
+    24  o or O
+    25  p or P
+    26  [ or {
+    27  ] or }
+    28  enter, keypad if ext
+    29  left or right ctrl, ext flag is right
+    30  a or A
+    31  s or S
+    32  d or D
+    33  f or F
+    34  g or G
+    35  h or H
+    36  j or J
+    37  k or K
+    38  l or L
+    39  ; or :
+    40  ' or "
+    41  ~
+    42  left shift
+    43  \
+    44  z or Z
+    45  x or X
+    46  c or C
+    47  v or V
+    48  b or B
+    49  n or N
+    50  m or M
+    51  , or <
+    52  . or >
+    53  / can be / on keypad, ext flag is keypad
+    54  right shift
+    55  * on keypad or print screen if ext
+    56  left or right alt, ext flag is right
+    57  space
+    58  caps lock
+    59  F1
+    60  F2
+    61  F3
+    62  F4
+    63  F5
+    64  F6
+    65  F7
+    66  F8
+    67  F9
+    68  F10
+    69  num lock
+    70  scroll lock
+    71  7 or home on keypad, ext flag is not keypad
+    72  8 or arrow up on keypad, ext flag is not keypad
+    73  9 or page up
+    74  -(minus) on keypad
+    75  4 or arrow left on keypad, ext flag is not keypad
+    76  middle(5 key) of keypad
+    77  6 or arrow right, can be on keypad, ext flag in not keypad
+    78  + on keypad
+    79  1 or end
+    80  2 or arrow down, can be on keypad, ext flag in not keypad
+    81  3 or page down
+    82  0 or insert on keypad, ext flag is not keypad
+    83  . or delete on keypad, ext flag is not keypad
+    87  F11
+    88  F12
+    91  left win key ext always on
+    92  right win key ext always on
+    93  menu key ext always on
+*/
+
+/* non shift chars */
+char chars1[] = {'\0', '\0', '1',  '2',  '3',  '4',  '5',  '6',
+                 '7',  '8',  '9',  '0',  '-',  '=',  '\0', '\0',
+                 'q',  'w',  'e',  'r',  't',  'y',  'u',  'i',
+                 'o',  'p',  '[',  ']',  '\0', '\0', 'a',  's',
+                 'd',  'f',  'g',  'h',  'j',  'k',  'l',  ';',
+                 '\'', '`',  '\0', '\\', 'z',  'x',  'c',  'v',
+                 'b',  'n',  'm',  ',',  '.',  '/',  '\0', '*',
+                 '\0', ' ',  '\0', '\0', '\0', '\0', '\0', '\0',
+                 '\0', '\0', '\0', '\0', '\0', '\0', '\0', '7',
+                 '8',  '9',  '-',  '4',  '5',  '6',  '+',  '1',
+                 '2',  '3',  '0',  '.',  '\0', '\0', '\0', '\0',
+                 '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+                 '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+                 '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+                 '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+                 '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0'};
+/* shift chars */
+char chars2[] = {'\0', '\0', '!',  '@',  '#',  '$',  '%',  '^',
+                 '&',  '*',  '(',  ')',  '_',  '+',  '\0', '\0',
+                 'Q',  'W',  'E',  'R',  'T',  'Y',  'U',  'I',
+                 'O',  'P',  '{',  '}',  '\0', '\0', 'A',  'S',
+                 'D',  'F',  'G',  'H',  'J',  'K',  'L',  ':',
+                 '"',  '~', '\0', '|',  'Z',  'X',  'C',  'V',
+                 'B',  'N',  'M',  '<',  '>',  '?',  '\0', '*',
+                 '\0', ' ',  '\0', '\0', '\0', '\0', '\0', '\0',
+                 '\0', '\0', '\0', '\0', '\0', '\0', '\0', '7',
+                 '8',  '9',  '-',  '4',  '5',  '6',  '+',  '1',
+                 '2',  '3',  '0',  '.',  '\0', '\0', '\0', '\0',
+                 '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+                 '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+                 '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+                 '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+                 '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0'};
+
+/*****************************************************************************/
+char get_char_from_scan_code(int device_flags, int scan_code, int* keys,
+                             int caps_lock, int num_lock, int scroll_lock)
+{
+  char rv;
+  int shift;
+  int ext;
+
+  shift = keys[42] || keys[54];
+  ext = device_flags & 0x0100;
+  rv = 0;
+  if (scan_code >= 128)
+  {
+    scan_code = scan_code % 128;
+    num_lock = 0;
+  }
+  if (!num_lock)
+  {
+    switch (scan_code)
+    {
+      case 71: /* 7 */
+      case 72: /* 8 */
+      case 73: /* 9 */
+      case 75: /* 4 */
+      case 76: /* 5 */
+      case 77: /* 6 */
+      case 79: /* 1 */
+      case 80: /* 2 */
+      case 81: /* 3 */
+      case 82: /* 0 */
+      case 83: /* . */
+        return rv;
+    }
+  }
+  if (ext)
+  {
+    if (scan_code == 53)
+      rv = '/';
+  }
+  else
+  {
+    if (shift)
+      rv = chars2[scan_code];
+    else
+      rv = chars1[scan_code];
+    if (rv >= 'a' && rv <= 'z' && caps_lock)
+      rv = rv - ('a' - 'A');
+    else if (rv >= 'A' && rv <= 'Z' && caps_lock)
+      rv = rv + ('a' - 'A');
+  }
+  return rv;
+}