1 files changed, 76 insertions, 0 deletions
diff --git a/source/3rd-party/SDL2/src/power/windows/SDL_syspower.c b/source/3rd-party/SDL2/src/power/windows/SDL_syspower.c
new file mode 100644
index 0000000..be6c9d3
--- /dev/null
+++ b/source/3rd-party/SDL2/src/power/windows/SDL_syspower.c
@@ -0,0 +1,76 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+#ifndef SDL_POWER_DISABLED
+#if SDL_POWER_WINDOWS
+
+#include "../../core/windows/SDL_windows.h"
+
+#include "SDL_power.h"
+
+SDL_bool
+SDL_GetPowerInfo_Windows(SDL_PowerState * state, int *seconds, int *percent)
+{
+    SYSTEM_POWER_STATUS status;
+    SDL_bool need_details = SDL_FALSE;
+
+    /* This API should exist back to Win95. */
+    if (!GetSystemPowerStatus(&status))
+    {
+        /* !!! FIXME: push GetLastError() into SDL_GetError() */
+        *state = SDL_POWERSTATE_UNKNOWN;
+    } else if (status.BatteryFlag == 0xFF) {    /* unknown state */
+        *state = SDL_POWERSTATE_UNKNOWN;
+    } else if (status.BatteryFlag & (1 << 7)) { /* no battery */
+        *state = SDL_POWERSTATE_NO_BATTERY;
+    } else if (status.BatteryFlag & (1 << 3)) { /* charging */
+        *state = SDL_POWERSTATE_CHARGING;
+        need_details = SDL_TRUE;
+    } else if (status.ACLineStatus == 1) {
+        *state = SDL_POWERSTATE_CHARGED;        /* on AC, not charging. */
+        need_details = SDL_TRUE;
+    } else {
+        *state = SDL_POWERSTATE_ON_BATTERY;     /* not on AC. */
+        need_details = SDL_TRUE;
+    }
+
+    *percent = -1;
+    *seconds = -1;
+    if (need_details) {
+        const int pct = (int) status.BatteryLifePercent;
+        const int secs = (int) status.BatteryLifeTime;
+
+        if (pct != 255) {       /* 255 == unknown */
+            *percent = (pct > 100) ? 100 : pct; /* clamp between 0%, 100% */
+        }
+        if (secs != 0xFFFFFFFF) {       /* ((DWORD)-1) == unknown */
+            *seconds = secs;
+        }
+    }
+
+    return SDL_TRUE;            /* always the definitive answer on Windows. */
+}
+
+#endif /* SDL_POWER_WINDOWS */
+#endif /* SDL_POWER_DISABLED */
+
+/* vi: set ts=4 sw=4 expandtab: */