/// <summary>
/// Release pressed keys and return a function which will re-press them again.
/// </summary>
/// <returns>Function which will re-press them again.</returns>
private async Task <Func <Task> > ResetPressedAsync()
{
TypoLogging.Write(_pressed?.Count);
if (_pressed == null)
{
return(null);
}
var pressed = _pressed.ToArray();
for (var i = pressed.Length - 1; i >= 0; i--)
{
TypoLogging.Write("Unpress: " + pressed[i]);
User32.SendInput(new User32.KeyboardInput {
ScanCode = ToScanCode(pressed[i]),
Flags = User32.KeyboardFlag.ScanCode | User32.KeyboardFlag.KeyUp,
ExtraInfo = KeyboardListener.AppEventFlag
});
await Task.Delay(Delay);
}
return(async() => {
for (var i = 0; i < pressed.Length; i++)
{
TypoLogging.Write("Re-press: " + pressed[i]);
User32.SendInput(new User32.KeyboardInput {
ScanCode = ToScanCode(pressed[i]),
Flags = User32.KeyboardFlag.ScanCode,
ExtraInfo = KeyboardListener.AppEventFlag
});
await Task.Delay(Delay);
}
});
}
/// <summary>
/// Gets selected/copied/all text, passes it through provided callback and puts it back.
/// </summary>
/// <param name="proc">Callback converting text.</param>
/// <param name="type">What text to replace: selected/copied/all/auto.</param>
/// <param name="cancellation">Cancellation token.</param>
public async Task ReplaceAsync(ReplaceTextCallback proc, TextReplacementType type, CancellationToken cancellation)
{
using (type == TextReplacementType.Clipboard ? null : Backup()) {
switch (type)
{
case TextReplacementType.Auto:
await PressAsync(Keys.RControlKey, Keys.C);
if (!Clipboard.ContainsText())
{
await PressAsync(Keys.RControlKey, Keys.A);
await PressAsync(Keys.RControlKey, Keys.C);
}
break;
case TextReplacementType.All:
await PressAsync(Keys.RControlKey, Keys.A);
await PressAsync(Keys.RControlKey, Keys.C);
break;
case TextReplacementType.Selected:
await PressAsync(Keys.RControlKey, Keys.C);
break;
}
if (cancellation.IsCancellationRequested)
{
return;
}
#if DEBUG
var s = Stopwatch.StartNew();
#endif
try {
var replacement = await proc(GetClipboardText(), cancellation);
if (cancellation.IsCancellationRequested)
{
return;
}
SetClipboardText(replacement);
} catch (Exception e) {
TypoLogging.NonFatalErrorNotify("Can’t execute script", null, e);
}
#if DEBUG
TypoLogging.Write($"{s.Elapsed.TotalMilliseconds:F1} ms");
#endif
if (type != TextReplacementType.Clipboard)
{
await PressAsync(Keys.RControlKey, Keys.V);
}
}
}
private void InitializeListener()
{
TypoLogging.Write("Here");
_pressed = new List <Keys>();
_keyboard = new KeyboardListener();
_keyboard.PreviewKeyDown += OnPreviewKeyDown;
_keyboard.PreviewKeyUp += OnPreviewKeyUp;
_timer = new DispatcherTimer {
Interval = TimeSpan.FromSeconds(10)
};
_timer.Tick += OnTimerTick;
}
private static string GetClipboardText()
{
try {
if (!Clipboard.ContainsText())
{
return(null);
}
var data = Clipboard.GetText();
return(string.IsNullOrEmpty(data) ? null : data);
} catch (Exception e) {
TypoLogging.Write(e);
return(null);
}
}
private static void SetClipboardTextInner([CanBeNull] string data)
{
try {
if (string.IsNullOrEmpty(data))
{
Clipboard.Clear();
}
else
{
Clipboard.SetDataObject(data, true, 5, 100);
}
} catch (Exception e) {
TypoLogging.Write(e);
}
}