| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/msw/power.cpp |
| 3 | // Purpose: power management functions for MSW |
| 4 | // Author: Vadim Zeitlin |
| 5 | // Modified by: |
| 6 | // Created: 2006-05-27 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) 2006 Vadim Zeitlin <vadim@wxwindows.org> |
| 9 | // Licence: wxWindows licence |
| 10 | /////////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | // for compilers that support precompilation, includes "wx.h". |
| 21 | #include "wx/wxprec.h" |
| 22 | |
| 23 | #ifdef __BORLANDC__ |
| 24 | #pragma hdrstop |
| 25 | #endif |
| 26 | |
| 27 | #ifndef WX_PRECOMP |
| 28 | #endif //WX_PRECOMP |
| 29 | |
| 30 | #include "wx/power.h" |
| 31 | #include "wx/msw/private.h" |
| 32 | |
| 33 | #ifdef __WXWINCE__ |
| 34 | typedef SYSTEM_POWER_STATUS_EX SYSTEM_POWER_STATUS; |
| 35 | BOOL GetSystemPowerStatus(SYSTEM_POWER_STATUS *status) |
| 36 | { |
| 37 | return GetSystemPowerStatusEx(status, TRUE); |
| 38 | } |
| 39 | #endif |
| 40 | |
| 41 | // ---------------------------------------------------------------------------- |
| 42 | // helper functions |
| 43 | // ---------------------------------------------------------------------------- |
| 44 | |
| 45 | static inline bool wxGetPowerStatus(SYSTEM_POWER_STATUS *sps) |
| 46 | { |
| 47 | if ( !::GetSystemPowerStatus(sps) ) |
| 48 | { |
| 49 | wxLogLastError(_T("GetSystemPowerStatus()")); |
| 50 | return false; |
| 51 | } |
| 52 | |
| 53 | return true; |
| 54 | } |
| 55 | |
| 56 | // ============================================================================ |
| 57 | // implementation |
| 58 | // ============================================================================ |
| 59 | |
| 60 | wxPowerType wxGetPowerType() |
| 61 | { |
| 62 | SYSTEM_POWER_STATUS sps; |
| 63 | if ( wxGetPowerStatus(&sps) ) |
| 64 | { |
| 65 | switch ( sps.ACLineStatus ) |
| 66 | { |
| 67 | case 0: |
| 68 | return wxPOWER_BATTERY; |
| 69 | |
| 70 | case 1: |
| 71 | return wxPOWER_SOCKET; |
| 72 | |
| 73 | default: |
| 74 | wxLogDebug(_T("Unknown ACLineStatus=%u"), sps.ACLineStatus); |
| 75 | case 255: |
| 76 | break; |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | return wxPOWER_UNKNOWN; |
| 81 | } |
| 82 | |
| 83 | wxBatteryState wxGetBatteryState() |
| 84 | { |
| 85 | SYSTEM_POWER_STATUS sps; |
| 86 | if ( wxGetPowerStatus(&sps) ) |
| 87 | { |
| 88 | // there can be other bits set in the flag field ("charging" and "no |
| 89 | // battery"), extract only those which we need here |
| 90 | switch ( sps.BatteryFlag & 7 ) |
| 91 | { |
| 92 | case 1: |
| 93 | return wxBATTERY_NORMAL_STATE; |
| 94 | |
| 95 | case 2: |
| 96 | return wxBATTERY_LOW_STATE; |
| 97 | |
| 98 | case 3: |
| 99 | return wxBATTERY_CRITICAL_STATE; |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | return wxBATTERY_UNKNOWN_STATE; |
| 104 | } |