a7f49ac9a1
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132 lines
5 KiB
C++
132 lines
5 KiB
C++
/*************************************************************************/
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/* power_windows.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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/*
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Adapted from corresponding SDL 2.0 code.
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*/
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/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "power_windows.h"
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// CODE CHUNK IMPORTED FROM SDL 2.0
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bool PowerWindows::GetPowerInfo_Windows() {
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SYSTEM_POWER_STATUS status;
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bool need_details = FALSE;
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/* This API should exist back to Win95. */
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if (!GetSystemPowerStatus(&status)) {
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/* !!! FIXME: push GetLastError() into GetError() */
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power_state = OS::POWERSTATE_UNKNOWN;
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} else if (status.BatteryFlag == 0xFF) { /* unknown state */
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power_state = OS::POWERSTATE_UNKNOWN;
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} else if (status.BatteryFlag & (1 << 7)) { /* no battery */
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power_state = OS::POWERSTATE_NO_BATTERY;
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} else if (status.BatteryFlag & (1 << 3)) { /* charging */
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power_state = OS::POWERSTATE_CHARGING;
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need_details = TRUE;
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} else if (status.ACLineStatus == 1) {
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power_state = OS::POWERSTATE_CHARGED; /* on AC, not charging. */
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need_details = TRUE;
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} else {
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power_state = OS::POWERSTATE_ON_BATTERY; /* not on AC. */
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need_details = TRUE;
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}
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percent_left = -1;
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nsecs_left = -1;
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if (need_details) {
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const int pct = (int)status.BatteryLifePercent;
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const int secs = (int)status.BatteryLifeTime;
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if (pct != 255) { /* 255 == unknown */
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percent_left = (pct > 100) ? 100 : pct; /* clamp between 0%, 100% */
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}
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if (secs != (int)0xFFFFFFFF) { /* ((DWORD)-1) == unknown */
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nsecs_left = secs;
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}
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}
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return TRUE; /* always the definitive answer on Windows. */
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}
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OS::PowerState PowerWindows::get_power_state() {
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if (GetPowerInfo_Windows()) {
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return power_state;
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} else {
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return OS::POWERSTATE_UNKNOWN;
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}
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}
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int PowerWindows::get_power_seconds_left() {
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if (GetPowerInfo_Windows()) {
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return nsecs_left;
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} else {
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return -1;
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}
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}
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int PowerWindows::get_power_percent_left() {
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if (GetPowerInfo_Windows()) {
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return percent_left;
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} else {
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return -1;
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}
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}
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PowerWindows::PowerWindows() :
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nsecs_left(-1),
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percent_left(-1),
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power_state(OS::POWERSTATE_UNKNOWN) {
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}
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PowerWindows::~PowerWindows() {
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}
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