private void RestoreApplicationsOnCurrentDisplays(string displayKey = null)
{
lock (displayChangeLock)
{
DesktopDisplayMetrics metrics = DesktopDisplayMetrics.AcquireMetrics();
if (displayKey == null)
{
displayKey = metrics.Key;
}
lastMetrics = DesktopDisplayMetrics.AcquireMetrics();
if (!monitorApplications.ContainsKey(displayKey))
{
// no old profile, we're done
Log.Info("No old profile found for {0}", displayKey);
CaptureApplicationsOnCurrentDisplays(initialCapture: true);
return;
}
Log.Info("Restoring applications for {0}", displayKey);
foreach (var window in CaptureWindowsOfInterest())
{
string applicationKey = string.Format("{0}-{1}", window.HWnd.ToInt64(), window.Process.ProcessName);
if (monitorApplications[displayKey].ContainsKey(applicationKey))
{
var app = monitorApplications[displayKey][applicationKey];
// looks like the window is still here for us to restore
WindowPlacement windowPlacement = app.WindowPlacement;
if (windowPlacement.ShowCmd == ShowWindowCommands.Maximize)
{
// When restoring maximized windows, it occasionally switches res and when the maximized setting is restored
// the window thinks it's maxxed, but does not eat all the real estate. So we'll temporarily unmaximize then
// re-apply that
windowPlacement.ShowCmd = ShowWindowCommands.Normal;
User32.SetWindowPlacement(app.HWnd, ref windowPlacement);
windowPlacement.ShowCmd = ShowWindowCommands.Maximize;
}
int result = 0;
var success = User32.SetWindowPlacement(app.HWnd, ref windowPlacement);
if (!success)
{
string error = new Win32Exception(Marshal.GetLastWin32Error()).Message;
Log.Error(error);
}
result = User32.SetWindowLong(app.HWnd, User32.GWL_EXSTYLE, app.ExtendedStyle);
result = User32.SetWindowLong(app.HWnd, User32.GWL_STYLE, app.Style);
Log.Info("SetWindowPlacement({0} [{1}x{2}]-[{3}x{4}]) - {5}",
window.Process.ProcessName,
windowPlacement.NormalPosition.Left,
windowPlacement.NormalPosition.Top,
windowPlacement.NormalPosition.Width,
windowPlacement.NormalPosition.Height,
success);
}
}
}
}
public void Start()
{
lastMetrics = DesktopDisplayMetrics.AcquireMetrics();
CaptureApplicationsOnCurrentDisplays(initialCapture: true);
var thread = new Thread(InternalRun);
thread.IsBackground = true;
thread.Name = "PersistentWindowProcessor.InternalRun()";
thread.Start();
SystemEvents.DisplaySettingsChanged += (s, e) =>
{
Log.Info("Display settings changed");
BeginRestoreApplicationsOnCurrentDisplays();
};
SystemEvents.PowerModeChanged += (s, e) =>
{
switch (e.Mode)
{
case PowerModes.Suspend:
Log.Info("System Suspending");
BeginCaptureApplicationsOnCurrentDisplays();
break;
case PowerModes.Resume:
Log.Info("System Resuming");
BeginRestoreApplicationsOnCurrentDisplays();
break;
}
};
}
private void CaptureApplicationsOnCurrentDisplays(string displayKey = null, bool initialCapture = false)
{
lock (displayChangeLock)
{
DesktopDisplayMetrics metrics = DesktopDisplayMetrics.AcquireMetrics();
if (displayKey == null)
{
displayKey = metrics.Key;
}
if (!metrics.Equals(lastMetrics))
{
// since the resolution doesn't match, lets wait till it's restored
Log.Info("Detected changes in display metrics, will capture once windows are restored");
return;
}
if (!monitorApplications.ContainsKey(displayKey))
{
monitorApplications.Add(displayKey, new SortedDictionary <string, ApplicationDisplayMetrics>());
}
var appWindows = CaptureWindowsOfInterest();
List <string> changeLog = new List <string>();
List <ApplicationDisplayMetrics> apps = new List <ApplicationDisplayMetrics>();
foreach (var window in appWindows)
{
ApplicationDisplayMetrics applicationDisplayMetric = null;
bool addToChangeLog = AddOrUpdateWindow(displayKey, window, out applicationDisplayMetric);
if (addToChangeLog)
{
apps.Add(applicationDisplayMetric);
changeLog.Add(string.Format("CAOCD - Capturing {0,-45} at [{1,4}x{2,4}] size [{3,4}x{4,4}] V:{5} {6} ",
applicationDisplayMetric,
applicationDisplayMetric.WindowPlacement.NormalPosition.Left,
applicationDisplayMetric.WindowPlacement.NormalPosition.Top,
applicationDisplayMetric.WindowPlacement.NormalPosition.Width,
applicationDisplayMetric.WindowPlacement.NormalPosition.Height,
window.Visible,
window.Title
));
}
}
// only save the updated if it didn't seem like something moved everything
if ((apps.Count > 0 &&
apps.Count < AppsMovedThreshold) ||
initialCapture)
{
foreach (var app in apps)
{
if (!monitorApplications[displayKey].ContainsKey(app.Key))
{
monitorApplications[displayKey].Add(app.Key, app);
}
else if (!monitorApplications[displayKey][app.Key].EqualPlacement(app))
{
monitorApplications[displayKey][app.Key].WindowPlacement = app.WindowPlacement;
}
}
changeLog.Sort();
Log.Info("{0}Capturing applications for {1}", initialCapture ? "Initial " : "", displayKey);
Log.Trace("{0} windows recorded{1}{2}", apps.Count, Environment.NewLine, string.Join(Environment.NewLine, changeLog));
}
}
}
private void RestoreApplicationsOnCurrentDisplays(string displayKey = null)
{
lock (displayChangeLock)
{
if (displayKey == null)
{
DesktopDisplayMetrics metrics = DesktopDisplayMetrics.AcquireMetrics();
displayKey = metrics.Key;
}
if (!monitorApplications.ContainsKey(displayKey) ||
monitorApplications[displayKey].Count == 0)
{
// the display setting has not been captured yet
Log.Trace("Unknown display setting {0}", displayKey);
return;
}
Log.Info("Restoring applications for {0}", displayKey);
foreach (var window in WindowHelper.CaptureWindowsOfInterest())
{
var procName = window.Process.ProcessName;
if (procName.Contains("CodeSetup")) // SFA: What's this about??? seems almost too specific!
{
// prevent hang in SetWindowPlacement()
continue;
}
var applicationKey = ApplicationDisplayMetrics.GetKey(window.HWnd, window.Process.ProcessName);
var prevDisplayMetrics = monitorApplications[displayKey][applicationKey];
var windowPlacement = prevDisplayMetrics.WindowPlacement;
if (monitorApplications[displayKey].ContainsKey(applicationKey))
{
ApplicationDisplayMetrics curDisplayMetrics = null;
if (!HasWindowChanged(displayKey, window, out curDisplayMetrics))
{
continue;
}
// SetWindowPlacement will "place" the window on the correct screen based on its normal position.
// If the state isn't "normal/restored" the window will appear not to actually move. To solve this
// either a quick switch from 'restore' to whatever the target state is, or using another API
// to position the window.
bool success;
if (windowPlacement.ShowCmd != ShowWindowCommands.Normal)
{
var prevCmd = windowPlacement.ShowCmd;
windowPlacement.ShowCmd = ShowWindowCommands.Normal;
success = CheckWin32Error(User32.SetWindowPlacement(window.HWnd, ref windowPlacement));
windowPlacement.ShowCmd = prevCmd;
Log.Trace("Toggling to normal window state for: ({0} [{1}x{2}]-[{3}x{4}]) - {5}",
window.Process.ProcessName,
windowPlacement.NormalPosition.Left,
windowPlacement.NormalPosition.Top,
windowPlacement.NormalPosition.Width,
windowPlacement.NormalPosition.Height,
success);
}
// Set final window placement data - sets "normal" position for all windows (used for de-snapping and screen ID'ing)
success = CheckWin32Error(User32.SetWindowPlacement(window.HWnd, ref windowPlacement));
Log.Trace("SetWindowPlacement({0} [{1}x{2}]-[{3}x{4}]) - {5}",
window.Process.ProcessName,
windowPlacement.NormalPosition.Left,
windowPlacement.NormalPosition.Top,
windowPlacement.NormalPosition.Width,
windowPlacement.NormalPosition.Height,
success);
// For any windows not maximized or minimized, they might be snapped. This will place them back in their current snapped positions.
// (Remember: NormalPosition is used when the user wants to *restore* from the snapped position when dragging)
if (windowPlacement.ShowCmd != ShowWindowCommands.ShowMinimized &&
windowPlacement.ShowCmd != ShowWindowCommands.ShowMaximized)
{
var rect = prevDisplayMetrics.ScreenPosition;
success = User32.SetWindowPos(
window.HWnd,
IntPtr.Zero,
rect.Left,
rect.Top,
rect.Width,
rect.Height,
(uint)(SetWindowPosFlags.IgnoreZOrder
| SetWindowPosFlags.AsynchronousWindowPosition));
Log.Trace("Restoring position of non maximized/minimized window: SetWindowPos({0} [{1}x{2}]-[{3}x{4}]) - {5}",
window.Process.ProcessName,
rect.Left,
rect.Top,
rect.Width,
rect.Height,
success);
CheckWin32Error(success);
}
}
}
Log.Trace("Restored windows position for display setting {0}", displayKey);
}
}
private void CaptureApplicationsOnCurrentDisplays(string displayKey = null, bool initialCapture = false)
{
lock (displayChangeLock)
{
if (displayKey == null)
{
DesktopDisplayMetrics metrics = DesktopDisplayMetrics.AcquireMetrics();
displayKey = metrics.Key;
}
if (!monitorApplications.ContainsKey(displayKey))
{
monitorApplications.Add(displayKey, new SortedDictionary <string, ApplicationDisplayMetrics>());
}
List <string> updateLogs = new List <string>();
List <ApplicationDisplayMetrics> updateApps = new List <ApplicationDisplayMetrics>();
var appWindows = WindowHelper.CaptureWindowsOfInterest();
foreach (var window in appWindows)
{
ApplicationDisplayMetrics curDisplayMetrics = null;
if (HasWindowChanged(displayKey, window, out curDisplayMetrics))
{
updateApps.Add(curDisplayMetrics);
string log = string.Format("Captured {0,-8} at ({1}, {2}) of size {3} x {4} V:{5} {6} ",
curDisplayMetrics,
curDisplayMetrics.ScreenPosition.Left,
curDisplayMetrics.ScreenPosition.Top,
curDisplayMetrics.ScreenPosition.Width,
curDisplayMetrics.ScreenPosition.Height,
window.Visible,
window.Title
);
string log2 = string.Format("\n WindowPlacement.NormalPosition at ({0}, {1}) of size {2} x {3}",
curDisplayMetrics.WindowPlacement.NormalPosition.Left,
curDisplayMetrics.WindowPlacement.NormalPosition.Top,
curDisplayMetrics.WindowPlacement.NormalPosition.Width,
curDisplayMetrics.WindowPlacement.NormalPosition.Height
);
updateLogs.Add(log + log2);
}
}
Log.Trace("{0}Capturing windows for display setting {1}", initialCapture ? "Initial " : "", displayKey);
List <string> commitUpdateLog = new List <string>();
//for (int i = 0; i < maxUpdateCnt; i++)
for (int i = 0; i < updateApps.Count; i++)
{
ApplicationDisplayMetrics curDisplayMetrics = updateApps[i];
commitUpdateLog.Add(updateLogs[i]);
if (!monitorApplications[displayKey].ContainsKey(curDisplayMetrics.Key))
{
monitorApplications[displayKey].Add(curDisplayMetrics.Key, curDisplayMetrics);
}
else
{
/*
* // partially update Normal position part of WindowPlacement
* WindowPlacement wp = monitorApplications[displayKey][curDisplayMetrics.Key].WindowPlacement;
* wp.NormalPosition = curDisplayMetrics.WindowPlacement.NormalPosition;
* monitorApplications[displayKey][curDisplayMetrics.Key].WindowPlacement = wp;
*/
monitorApplications[displayKey][curDisplayMetrics.Key].WindowPlacement = curDisplayMetrics.WindowPlacement;
monitorApplications[displayKey][curDisplayMetrics.Key].ScreenPosition = curDisplayMetrics.ScreenPosition;
}
}
//commitUpdateLog.Sort();
Log.Trace("{0}{1}{2} windows captured", string.Join(Environment.NewLine, commitUpdateLog), Environment.NewLine, commitUpdateLog.Count);
}
}
