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added code to supress the backlight in older devices, fixed a little oops :-)

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svn-id: r26728
This commit is contained in:
Kostas Nakos 2007-05-01 20:10:56 +00:00
parent 727867c66f
commit 546d9cb01b
2 changed files with 60 additions and 6 deletions
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62
backends/platform/wince/CEDevice.cpp
View File

@ -32,16 +32,58 @@ static HANDLE (WINAPI* _SetPowerRequirement)(PVOID,int,ULONG,PVOID,ULONG) = NULL
static DWORD (WINAPI* _ReleasePowerRequirement)(HANDLE) = NULL;
static HANDLE _hPowerManagement = NULL;
static DWORD _lastTime = 0;
static DWORD REG_bat = 0, REG_ac = 0, REG_disp = 0, bat_timeout = 0;
#ifdef __GNUC__
extern "C" void WINAPI SystemIdleTimerReset(void);
#define SPI_GETPLATFORMTYPE 257
#define SPI_GETPLATFORMTYPE 257
#define SPI_SETBATTERYIDLETIMEOUT 251
#define SPI_GETBATTERYIDLETIMEOUT 252
#endif
#define TIMER_TRIGGER 9000
// Power management code borrowed from MoDaCo & Betaplayer. Thanks !
DWORD CEDevice::reg_access(TCHAR *key, TCHAR *val, DWORD data) {
HKEY regkey;
DWORD tmpval, cbdata;
if (RegOpenKeyEx(HKEY_CURRENT_USER, key, 0, 0, &regkey) != ERROR_SUCCESS)
return data;
cbdata = sizeof(DWORD);
if (RegQueryValueEx(regkey, val, NULL, NULL, (LPBYTE) &tmpval, &cbdata) != ERROR_SUCCESS)
{
RegCloseKey(regkey);
return data;
}
cbdata = sizeof(DWORD);
if (RegSetValueEx(regkey, val, 0, REG_DWORD, (LPBYTE) &data, cbdata) != ERROR_SUCCESS)
{
RegCloseKey(regkey);
return data;
}
RegCloseKey(regkey);
return tmpval;
}
void CEDevice::backlight_xchg() {
HANDLE h;
REG_bat = reg_access(TEXT("ControlPanel\\BackLight"), TEXT("BatteryTimeout"), REG_bat);
REG_ac = reg_access(TEXT("ControlPanel\\BackLight"), TEXT("ACTimeout"), REG_ac);
REG_disp = reg_access(TEXT("ControlPanel\\Power"), TEXT("Display"), REG_disp);
h = CreateEvent(NULL, FALSE, FALSE, TEXT("BackLightChangeEvent"));
if (h)
{
SetEvent(h);
CloseHandle(h);
}
}
void CEDevice::init() {
// 2003+ power management code borrowed from MoDaCo & Betaplayer. Thanks !
HINSTANCE dll = LoadLibrary(TEXT("aygshell.dll"));
if (dll) {
*(FARPROC*)&_SHIdleTimerReset = GetProcAddress(dll, MAKEINTRESOURCE(2006));
@ -55,12 +97,20 @@ void CEDevice::init() {
if (_SetPowerRequirement)
_hPowerManagement = _SetPowerRequirement((PVOID) TEXT("BKL1:"), 0, 1, (PVOID) NULL, 0);
_lastTime = GetTickCount();
// older devices
REG_bat = REG_ac = REG_disp = 2 * 60 * 60 * 1000; // 2hrs should do it
backlight_xchg();
SystemParametersInfo(SPI_GETBATTERYIDLETIMEOUT, 0, (void *) &bat_timeout, 0);
SystemParametersInfo(SPI_SETBATTERYIDLETIMEOUT, 60 * 60 * 2, NULL, SPIF_SENDCHANGE);
}
void CEDevice::end() {
if (_ReleasePowerRequirement && _hPowerManagement) {
if (_ReleasePowerRequirement && _hPowerManagement)
_ReleasePowerRequirement(_hPowerManagement);
}
backlight_xchg();
SystemParametersInfo(SPI_SETBATTERYIDLETIMEOUT, bat_timeout, NULL, SPIF_SENDCHANGE);
}
void CEDevice::wakeUp() {
@ -74,7 +124,7 @@ void CEDevice::wakeUp() {
}
bool CEDevice::hasSquareQVGAResolution() {
return (OSystem_WINCE3::getScreenWidth() == 240 && OSystem_WINCE3::getScreenWidth() == 240);
return (OSystem_WINCE3::getScreenWidth() == 240 && OSystem_WINCE3::getScreenHeight() == 240);
}
bool CEDevice::hasPocketPCResolution() {

4
backends/platform/wince/CEDevice.h
View File

@ -40,6 +40,10 @@ class CEDevice {
static bool hasSmartphoneResolution();
static bool isSmartphone();
static Common::String getKeyName(unsigned int keyCode);
private:
static DWORD reg_access(TCHAR *key, TCHAR *val, DWORD data);
static void backlight_xchg();
};
#endif