sdl-ios-xcode: src/power/windows/SDL

annotate src/power/windows/SDL_syspower.c @ 3578:0d1b16ee0bca

Fixed bug #741 The thread ID is an unsigned long so it can hold pthread_t so people can do naughty things with it. I'm going to be adding additional useful thread API functions, but this should prevent crashes in people's existing code on 64-bit architectures.

author	Sam Lantinga <slouken@libsdl.org>
date	Wed, 16 Dec 2009 04:48:11 +0000
parents	51750b7a966f
children	f7b03b6838cb

rev	line source
3170 b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	1 /*
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	2 SDL - Simple DirectMedia Layer
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	3 Copyright (C) 1997-2009 Sam Lantinga
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	4
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	5 This library is free software; you can redistribute it and/or
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	6 modify it under the terms of the GNU Lesser General Public
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	7 License as published by the Free Software Foundation; either
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	8 version 2.1 of the License, or (at your option) any later version.
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	9
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	13 Lesser General Public License for more details.
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	14
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	15 You should have received a copy of the GNU Lesser General Public
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	16 License along with this library; if not, write to the Free Software
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	18
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	19 Sam Lantinga
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	20 slouken@libsdl.org
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	21 */
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	22 #include "SDL_config.h"
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	23
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	24 #ifndef SDL_POWER_DISABLED
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	25 #ifdef SDL_POWER_WINDOWS
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	26
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	27 #define WIN32_LEAN_AND_MEAN
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	28 #include <windows.h>
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	29
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	30 #include "SDL_power.h"
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	31
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	32 SDL_bool
3186 51750b7a966f indent Sam Lantinga <slouken@libsdl.org> parents: 3170 diff changeset	33 SDL_GetPowerInfo_Windows(SDL_PowerState * state, int seconds, int percent)
3170 b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	34 {
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	35 SYSTEM_POWER_STATUS status;
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	36 SDL_bool need_details = SDL_FALSE;
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	37
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	38 /* This API should exist back to Win95 and Windows CE. */
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	39 if (!GetSystemPowerStatus(&status)) {
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	40 /* !!! FIXME: push GetLastError() into SDL_GetError() */
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	41 *state = SDL_POWERSTATE_UNKNOWN;
3186 51750b7a966f indent Sam Lantinga <slouken@libsdl.org> parents: 3170 diff changeset	42 } else if (status.BatteryFlag == 0xFF) { /* unknown state */
3170 b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	43 *state = SDL_POWERSTATE_UNKNOWN;
3186 51750b7a966f indent Sam Lantinga <slouken@libsdl.org> parents: 3170 diff changeset	44 } else if (status.BatteryFlag & (1 << 7)) { /* no battery */
3170 b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	45 *state = SDL_POWERSTATE_NO_BATTERY;
3186 51750b7a966f indent Sam Lantinga <slouken@libsdl.org> parents: 3170 diff changeset	46 } else if (status.BatteryFlag & (1 << 3)) { /* charging */
3170 b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	47 *state = SDL_POWERSTATE_CHARGING;
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	48 need_details = SDL_TRUE;
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	49 } else if (status.ACLineStatus == 1) {
3186 51750b7a966f indent Sam Lantinga <slouken@libsdl.org> parents: 3170 diff changeset	50 state = SDL_POWERSTATE_CHARGED; / on AC, not charging. */
3170 b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	51 need_details = SDL_TRUE;
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	52 } else {
3186 51750b7a966f indent Sam Lantinga <slouken@libsdl.org> parents: 3170 diff changeset	53 state = SDL_POWERSTATE_ON_BATTERY; / not on AC. */
3170 b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	54 need_details = SDL_TRUE;
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	55 }
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	56
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	57 *percent = -1;
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	58 *seconds = -1;
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	59 if (need_details) {
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	60 const int pct = (int) status.BatteryLifePercent;
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	61 const int secs = (int) status.BatteryLifeTime;
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	62
3186 51750b7a966f indent Sam Lantinga <slouken@libsdl.org> parents: 3170 diff changeset	63 if (pct != 255) { /* 255 == unknown */
51750b7a966f indent Sam Lantinga <slouken@libsdl.org> parents: 3170 diff changeset	64 percent = (pct > 100) ? 100 : pct; / clamp between 0%, 100% */
3170 b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	65 }
3186 51750b7a966f indent Sam Lantinga <slouken@libsdl.org> parents: 3170 diff changeset	66 if (secs != 0xFFFFFFFF) { /* ((DWORD)-1) == unknown */
3170 b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	67 *seconds = secs;
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	68 }
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	69 }
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	70
3186 51750b7a966f indent Sam Lantinga <slouken@libsdl.org> parents: 3170 diff changeset	71 return SDL_TRUE; /* always the definitive answer on Windows. */
3170 b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	72 }
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	73
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	74 #endif /* SDL_POWER_WINDOWS */
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	75 #endif /* SDL_POWER_DISABLED */
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	76
b7a48f533966 Initial work on power subsystem for SDL 1.3. Ryan C. Gordon <icculus@icculus.org> parents: diff changeset	77 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/power/windows/SDL_syspower.c @ 3578:0d1b16ee0bca