From: Lars Op den Kamp Date: Fri, 13 Dec 2013 12:36:37 +0000 (+0100) Subject: listen to screensaver events in cectray. bugzid: 1375 X-Git-Tag: upstream/2.2.0~1^2~3^2~5 X-Git-Url: https://git.piment-noir.org/?a=commitdiff_plain;h=b5bd4ac08c3fb4f6e2e101dd3ca84a08a7a9fb8c;p=deb_libcec.git listen to screensaver events in cectray. bugzid: 1375 --- diff --git a/src/LibCecTray/ui/CECTray.cs b/src/LibCecTray/ui/CECTray.cs index 740033b..bf4e05a 100644 --- a/src/LibCecTray/ui/CECTray.cs +++ b/src/LibCecTray/ui/CECTray.cs @@ -54,6 +54,11 @@ namespace LibCECTray.ui { Text = Resources.app_name; InitializeComponent(); + + _sstimer.Interval = 1000; + _sstimer.Tick += ScreensaverActiveCheck; + _sstimer.Enabled = false; + VisibleChanged += delegate { if (!Visible) @@ -73,13 +78,22 @@ namespace LibCECTray.ui #region Power state change window messages private const int WM_POWERBROADCAST = 0x0218; + private const int WM_SYSCOMMAND = 0x0112; + private const int PBT_APMSUSPEND = 0x0004; private const int PBT_APMRESUMESUSPEND = 0x0007; private const int PBT_APMRESUMECRITICAL = 0x0006; private const int PBT_APMRESUMEAUTOMATIC = 0x0012; private const int PBT_POWERSETTINGCHANGE = 0x8013; + private static Guid GUID_SYSTEM_AWAYMODE = new Guid("98a7f580-01f7-48aa-9c0f-44352c29e5c0"); + private const int SC_SCREENSAVE = 0xF140; + private const int SPI_GETSCREENSAVERRUNNING = 0x0072; + + [DllImport("user32.dll", SetLastError = true)] + static extern bool SystemParametersInfo(int action, int param, ref int retval, int updini); + [StructLayout(LayoutKind.Sequential, Pack = 4)] internal struct POWERBROADCAST_SETTING { @@ -95,7 +109,14 @@ namespace LibCECTray.ui /// The incoming window message protected override void WndProc(ref Message msg) { - if (msg.Msg == WM_POWERBROADCAST) + if (msg.Msg == WM_SYSCOMMAND && (msg.WParam.ToInt32() & 0xfff0) == SC_SCREENSAVE) + { + // there's no event for screensaver exit + _sstimer.Enabled = true; + OnSleep(); + return; + } + else if (msg.Msg == WM_POWERBROADCAST) { switch (msg.WParam.ToInt32()) { @@ -138,6 +159,22 @@ namespace LibCECTray.ui base.WndProc(ref msg); } + private void ScreensaverActiveCheck(object sender, EventArgs e) + { + if (!IsScreensaverActive()) + { + _sstimer.Enabled = false; + OnWake(); + } + } + + private bool IsScreensaverActive() + { + int active = 1; + SystemParametersInfo(SPI_GETSCREENSAVERRUNNING, 0, ref active, 0); + return active == 1; + } + private void OnWake() { Controller.Initialise(); @@ -575,6 +612,8 @@ namespace LibCECTray.ui { get { return GetSelectedTabName(tabPanel, tabPanel.TabPages); } } + + private System.Windows.Forms.Timer _sstimer = new System.Windows.Forms.Timer(); #endregion private void AddNewApplicationToolStripMenuItemClick(object sender, EventArgs e)