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authorchai <chaifix@163.com>2019-05-11 22:54:56 +0800
committerchai <chaifix@163.com>2019-05-11 22:54:56 +0800
commit9645be0af1b1d5cb0ad5892d5464e1b23c51b550 (patch)
tree129c716bed8e93312421c3adb2f8e7c4f811602d /source/3rd-party/SDL2/src/power/windows/SDL_syspower.c
Diffstat (limited to 'source/3rd-party/SDL2/src/power/windows/SDL_syspower.c')
-rw-r--r--source/3rd-party/SDL2/src/power/windows/SDL_syspower.c76
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
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+++ 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: */