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#!/usr/bin/env python |
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##~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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##~ License |
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##~ |
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##- The RuneBlade Foundation library is intended to ease some |
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##- aspects of writing intricate Jabber, XML, and User Interface (wxPython, etc.) |
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##- applications, while providing the flexibility to modularly change the |
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##- architecture. Enjoy. |
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##~ |
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##~ Copyright (C) 2002 TechGame Networks, LLC. |
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##~ |
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##~ This library is free software; you can redistribute it and/or |
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##~ modify it under the terms of the BSD style License as found in the |
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##~ LICENSE file included with this distribution. |
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##~ |
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##~ TechGame Networks, LLC can be reached at: |
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##~ 3578 E. Hartsel Drive #211 |
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##~ Colorado Springs, Colorado, USA, 80920 |
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##~ |
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##~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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"""Microsoft Windows specific calls. |
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Highly dependent upon ctypes and struct modules. |
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Note: Hack warning! Only bit twiddlers will like this stuff. ;) |
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""" |
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#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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#~ Imports |
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#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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import ctypes |
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import struct |
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#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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#~ Definitions |
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#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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def ChangeDisplaySettings(xres=None, yres=None, BitsPerPixel=None): |
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"""Changes the display resolution and bit depth on Windows. |
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""" |
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DM_BITSPERPEL = 0x00040000 |
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DM_PELSWIDTH = 0x00080000 |
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DM_PELSHEIGHT = 0x00100000 |
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CDS_FULLSCREEN = 0x00000004 |
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SIZEOF_DEVMODE = 148 |
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user32 = ctypes.WinDLL('user32.dll') |
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DevModeData = struct.calcsize("32BHH") * '\x00' |
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DevModeData += struct.pack("H", SIZEOF_DEVMODE) |
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DevModeData += struct.calcsize("H") * '\x00' |
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dwFields = (xres and DM_PELSWIDTH or 0) | (yres and DM_PELSHEIGHT or 0) | (BitsPerPixel and DM_BITSPERPEL or 0) |
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DevModeData += struct.pack("L", dwFields) |
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DevModeData += struct.calcsize("l9h32BHL") * '\x00' |
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DevModeData += struct.pack("LLL", BitsPerPixel or 0, xres or 0, yres or 0) |
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DevModeData += struct.calcsize("8L") * '\x00' |
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result = user32.ChangeDisplaySettingsA(DevModeData, CDS_FULLSCREEN) |
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return result == 0 |
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SetResolution = ChangeDisplaySettings |
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#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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def GlobalMemoryStatus(): |
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buf = '\x00' * 32 |
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kernel32 = ctypes.WinDLL('kernel32') |
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kernel32.GlobalMemoryStatus(buf) |
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rtuple = struct.unpack('8L', buf) |
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result = {} |
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result['MemoryLoad'] = rtuple[1] # [0] is len |
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result['TotalPhysical'] = rtuple[2] |
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result['AvailablePhysical'] = rtuple[3] |
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result['TotalPageFile'] = rtuple[4] |
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result['AvailablePageFile'] = rtuple[5] |
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result['TotalVirtual'] = rtuple[6] |
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result['AvailableVirtual'] = rtuple[7] |
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return result |
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