cursor.py

   1 #Copyright (c) 2008 Vincent Povirk
   2 #
   3 #Permission is hereby granted, free of charge, to any person
   4 #obtaining a copy of this software and associated documentation
   5 #files (the "Software"), to deal in the Software without
   6 #restriction, including without limitation the rights to use,
   7 #copy, modify, merge, publish, distribute, sublicense, and/or sell
   8 #copies of the Software, and to permit persons to whom the
   9 #Software is furnished to do so, subject to the following
  10 #conditions:
  11 #
  12 #The above copyright notice and this permission notice shall be
  13 #included in all copies or substantial portions of the Software.
  14 #
  15 #THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16 #EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  17 #OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18 #NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  19 #HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  20 #WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21 #FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22 #OTHER DEALINGS IN THE SOFTWARE.
  23
  24 # Cursor definitions
  25 # see http://msdn.microsoft.com/en-us/library/ms646970(VS.85).aspx
  26
  27 from ctypes import windll, Structure, POINTER, sizeof, byref
  28 from windef import LPRECT, HCURSOR, HINSTANCE, INT, LPVOID, RECT, DWORD, POINT, LPPOINT, LPCTSTR, BOOL, HICON
  29 from winlitecfg import get_aw_symbols
  30 from winliteutils import NONZERO
  31 from resource import MAKEINTRESOURCE
  32 _user32 = windll.user32
  33
  34 IDC_ARROW = MAKEINTRESOURCE(32512)
  35 IDC_IBEAM = MAKEINTRESOURCE(32513)
  36 IDC_WAIT = MAKEINTRESOURCE(32514)
  37 IDC_CROSS = MAKEINTRESOURCE(32515)
  38 IDC_UPARROW = MAKEINTRESOURCE(32516)
  39 IDC_SIZE = MAKEINTRESOURCE(32640)
  40 IDC_ICON = MAKEINTRESOURCE(32641)
  41 IDC_SIZENWSE = MAKEINTRESOURCE(32642)
  42 IDC_SIZENESW = MAKEINTRESOURCE(32643)
  43 IDC_SIZEWE = MAKEINTRESOURCE(32644)
  44 IDC_SIZENS = MAKEINTRESOURCE(32645)
  45 IDC_SIZEALL = MAKEINTRESOURCE(32646)
  46 IDC_NO = MAKEINTRESOURCE(32648)
  47 IDC_HAND = MAKEINTRESOURCE(32649)
  48 IDC_APPSTARTING = MAKEINTRESOURCE(32650)
  49 IDC_HELP = MAKEINTRESOURCE(32651)
  50
  51 OCR_NORMAL = 32512
  52 OCR_IBEAM = 32513
  53 OCR_WAIT = 32514
  54 OCR_CROSS = 32515
  55 OCR_UP = 32516
  56 OCR_SIZE = 32640
  57 OCR_ICON = 32641
  58 OCR_SIZENWSE = 32642
  59 OCR_SIZENESW = 32643
  60 OCR_SIZEWE = 32644
  61 OCR_SIZENS = 32645
  62 OCR_SIZEALL = 32646
  63 OCR_ICOCUR = 32647
  64 OCR_NO = 32648
  65 OCR_HAND = 32649
  66 OCR_APPSTARTING = 32650
  67 OCR_HELP = 32651
  68
  69 OCR_DRAGOBJECT = 32653 #defined in wine's winuser.h
  70
  71 class CURSORINFO(Structure):
  72     _fields_ = [
  73         ('cbSize', DWORD),
  74         ('flags', DWORD),
  75         ('hCursor', HCURSOR),
  76         ('ptScreenPos', POINT),
  77         ]
  78 PCURSORINFO = LPCURSORINFO = POINTER(CURSORINFO)
  79
  80 get_aw_symbols(globals(), _user32, ['LoadCursor', 'LoadCursorFromFile'])
  81
  82 _user32.ClipCursor.argtypes = [LPRECT]
  83 _user32.ClipCursor.restype = NONZERO
  84 ClipCursor = _user32.ClipCursor
  85
  86 _user32.CopyIcon.argtypes = [HICON]
  87 _user32.CopyIcon.restype = NONZERO
  88 CopyCursor = _user32.CopyIcon
  89
  90 _user32.CreateCursor.argtypes = [HINSTANCE, INT, INT, INT, INT, LPVOID, LPVOID]
  91 _user32.CreateCursor.restype = NONZERO
  92 CreateCursor = _user32.CreateCursor
  93
  94 _user32.DestroyCursor.argtypes = [HCURSOR]
  95 _user32.DestroyCursor.restype = NONZERO
  96 DestroyCursor = _user32.DestroyCursor
  97
  98 _user32.GetClipCursor.argtypes = [LPRECT]
  99 _user32.GetClipCursor.restype = NONZERO
 100 def GetClipCursor():
 101     result = RECT()
 102     _user32.GetClipCursor(byref(result))
 103     return result
 104
 105 _user32.GetCursor.argtypes = []
 106 _user32.GetCursor.restype = HCURSOR
 107 GetCursor = _user32.GetCursor
 108
 109 _user32.GetCursorInfo.argtypes = [PCURSORINFO]
 110 _user32.GetCursorInfo.restype = NONZERO
 111 def GetCursorInfo():
 112     result = CURSORINFO()
 113     result.cbSize = sizeof(result)
 114     _user32.GetCursorInfo(byref(result))
 115     return result
 116
 117 _user32.GetCursorPos.argtypes = [LPPOINT]
 118 _user32.GetCursorPos.restype = NONZERO
 119 def GetCursorPos():
 120     result = POINT()
 121     _user32.GetCursorPos(byref(result))
 122     return result
 123
 124 LoadCursor.argtypes = [HINSTANCE, LPCTSTR]
 125 LoadCursor.restype = NONZERO
 126
 127 LoadCursorFromFile.argtypes = [LPCTSTR]
 128 LoadCursorFromFile.restype = NONZERO
 129
 130 _user32.SetCursor.argtypes = [HCURSOR]
 131 _user32.SetCursor.restype = HCURSOR
 132 SetCursor = _user32.SetCursor
 133
 134 _user32.SetCursorPos.argtypes = [INT, INT]
 135 _user32.SetCursorPos.restype = NONZERO
 136 SetCursorPos = _user32.SetCursorPos
 137
 138 _user32.SetSystemCursor.argtypes = [HCURSOR, DWORD]
 139 _user32.SetSystemCursor.restype = NONZERO
 140 SetSystemCursor = _user32.SetSystemCursor
 141
 142 _user32.ShowCursor.argtypes = [BOOL]
 143 _user32.ShowCursor.restype = INT
 144 ShowCursor = _user32.ShowCursor
 145
 146 # functions in Windows Vista
 147 try:
 148     _user32.GetPhysicalCursorPos.argtypes = [LPPOINT]
 149     _user32.GetPhysicalCursorPos.restype = NONZERO
 150     def GetPhysicalCursorPos():
 151         result = POINT()
 152         _user32.GetPhysicalCursorPos(byref(result))
 153         return result
 154
 155     _user32.SetPhysicalCursorPos.argtypes = [INT, INT]
 156     _user32.SetPhysicalCursorPos.restype = NONZERO
 157     SetPhysicalCursorPos = _user32.SetPhysicalCursorPos
 158 except AttributeError:
 159     pass
 160