[ekohl] 74226: [POWERCFG] Show and hide the power systray icon.

Author: ekohl
Date: Thu Mar 23 20:00:54 2017
New Revision: 74226

URL: http://svn.reactos.org/svn/reactos?rev=74226&view=rev
Log:
[POWERCFG]
Show and hide the power systray icon.

Modified:
    trunk/reactos/dll/cpl/powercfg/advanced.c

Modified: trunk/reactos/dll/cpl/powercfg/advanced.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/cpl/powercfg/advanced.…
==============================================================================
--- trunk/reactos/dll/cpl/powercfg/advanced.c	[iso-8859-1] (original)
+++ trunk/reactos/dll/cpl/powercfg/advanced.c	[iso-8859-1] Thu Mar 23 20:00:54 2017
@@ -17,6 +17,32 @@
 static POWER_ACTION g_PowerButton[5];
 static POWER_ACTION g_SleepButton[5];
 
+
+static
+VOID
+SetSystrayPowerIconState(BOOL bEnabled)
+{
+    HWND hwndTaskBar;
+
+    hwndTaskBar = FindWindowW(L"SystemTray_Main", NULL);
+    if (hwndTaskBar == NULL)
+        return;
+
+    SendMessageW(hwndTaskBar, WM_USER + 220, 1, bEnabled);
+}
+
+static
+BOOL
+GetSystrayPowerIconState(VOID)
+{
+    HWND hwndTaskBar;
+
+    hwndTaskBar = FindWindowW(L"SystemTray_Main", NULL);
+    if (hwndTaskBar == NULL)
+        return FALSE;
+
+    return (BOOL)SendMessageW(hwndTaskBar, WM_USER + 221, 1, 0);
+}
 
 static VOID
 AddItem(HWND hDlgCtrl, INT ResourceId, LPARAM lParam, POWER_ACTION * lpAction)
@@ -278,6 +304,11 @@
 
     SYSTEM_POWER_CAPABILITIES spc;
 
+    if (GetSystrayPowerIconState())
+        gGPP.user.GlobalFlags |= EnableSysTrayBatteryMeter;
+    else
+        gGPP.user.GlobalFlags &= ~EnableSysTrayBatteryMeter;
+
     CheckDlgButton(hAdv,
         IDC_SYSTRAYBATTERYMETER,
         gGPP.user.GlobalFlags & EnableSysTrayBatteryMeter ? BST_CHECKED :
BST_UNCHECKED);
@@ -351,7 +382,7 @@
         ShowWindow(hList2, FALSE);
     }
 
-    hList3=GetDlgItem(hAdv, IDC_SLEEPBUTTON);
+    hList3 = GetDlgItem(hAdv, IDC_SLEEPBUTTON);
     SendMessage(hList3, CB_RESETCONTENT, 0, 0);
     memset(g_SleepButton, 0x0, sizeof(g_SleepButton));
 
@@ -469,6 +500,8 @@
     {
         MessageBox(hwndDlg, L"WriteGlobalPwrPolicy failed", NULL, MB_OK);
     }
+
+    SetSystrayPowerIconState(!bSystrayBatteryMeter);
 
     Adv_InitDialog();
 }