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Monitor keyboard output normalized

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pull/32/head^2
Clive Galway 5 years ago
parent c910949bb5
commit 18f01dccd2
4 changed files with 75 additions and 43 deletions
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58
C#/AutoHotInterception/Helpers/Helpers.cs
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@ -50,7 +50,7 @@ namespace AutoHotInterception.Helpers
/// <param name="btn">0 = LMB, 1 = RMB etc</param>
/// <param name="state">1 = Press, 0 = Release</param>
/// <returns>A State value for a Mouse Stroke</returns>
public static ManagedWrapper.Stroke ButtonAndStateToStroke(int btn, int state)
public static ManagedWrapper.Stroke MouseButtonAndStateToStroke(int btn, int state)
{
var stroke = new ManagedWrapper.Stroke();
var power = btn < 5 ? btn * 2 + (state == 0 ? 1 : 0) : btn + 5;
@ -59,7 +59,7 @@ namespace AutoHotInterception.Helpers
return stroke;
}
public static ButtonState StrokeStateToButtonState(ManagedWrapper.Stroke stroke)
public static ButtonState MouseStrokeToButtonState(ManagedWrapper.Stroke stroke)
{
int state = stroke.mouse.state;
ushort btn = 0;
@ -95,5 +95,59 @@ namespace AutoHotInterception.Helpers
public ushort Button { get; set; }
public int State { get; set; }
}
public class KeyboardState
{
public ushort Code { get; set; }
public ushort State { get; set; }
public bool Ignore { get; set; }
}
public static KeyboardState KeyboardStrokeToKeyboardState(ManagedWrapper.Stroke stroke)
{
var code = stroke.key.code;
var state = stroke.key.state;
var retVal = new KeyboardState();
if (code == 54)
{
// Interception seems to report Right Shift as 54 / 0x36 with state 0/1...
// ... this code is normally unused (Alt-SysRq according to linked page) ...
// ... and AHK uses 54 + 256 = 310 (0x36 + 0x100 = 0x136)...
// ... so change the code, but leave the state as 0/1
code = 310;
}
// If state is shifted up by 2 (1 or 2 instead of 0 or 1), then this is an "Extended" key code
if (state > 1)
{
if (code == 42)
{
// Shift (42/0x2a) with extended flag = the key after this one is extended.
// Example case is Delete (The one above the arrow keys, not on numpad)...
// ... this generates a stroke of 0x2a (Shift) with *extended flag set* (Normal shift does not do this)...
// ... followed by 0x53 with extended flag set.
// We do not want to fire subsriptions for the extended shift, but *do* want to let the key flow through...
// ... so that is handled here.
// When the extended key (Delete in the above example) subsequently comes through...
// ... it will have code 0x53, which we shift to 0x153 (Adding 256 Dec) to signify extended version...
// ... as this is how AHK behaves with GetKeySC()
// Set flag to indicate ignore
retVal.Ignore = true;
}
else
{
// Extended flag set
// Shift code up by 256 (0x100) to signify extended code
code += 256;
state -= 2;
}
}
retVal.Code = code;
retVal.State = (ushort) (1 - state);
return retVal;
}
}
}

55
C#/AutoHotInterception/Manager.cs
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@ -272,7 +272,7 @@ namespace AutoHotInterception
{
IsValidDeviceId(true, id);
var stroke = ButtonAndStateToStroke(btn, state);
var stroke = MouseButtonAndStateToStroke(btn, state);
ManagedWrapper.Send(_deviceContext, id, ref stroke, 1);
}
@ -286,7 +286,7 @@ namespace AutoHotInterception
/// <param name="y"></param>
public void SendMouseButtonEventAbsolute(int id, int btn, int state, int x, int y)
{
var stroke = ButtonAndStateToStroke(btn, state);
var stroke = MouseButtonAndStateToStroke(btn, state);
stroke.mouse.x = x;
stroke.mouse.y = y;
stroke.mouse.flags = (ushort) ManagedWrapper.MouseFlag.MouseMoveAbsolute;
@ -516,50 +516,23 @@ namespace AutoHotInterception
if (isMonitoredKeyboard && _keyboardMappings.ContainsKey(i))
{
// Process Subscription Mode
var code = stroke.key.code;
var state = stroke.key.state;
#region KeyCode, State, Extended Flag translation
// Begin translation of incoming key code, state, extended flag etc...
var processMappings = true;
if (code == 54)
{
// Interception seems to report Right Shift as 54 / 0x36 with state 0/1...
// ... this code is normally unused (Alt-SysRq according to linked page) ...
// ... and AHK uses 54 + 256 = 310 (0x36 + 0x100 = 0x136)...
// ... so change the code, but leave the state as 0/1
code = 310;
}
var processedState = KeyboardStrokeToKeyboardState(stroke);
#endregion
// If state is shifted up by 2 (1 or 2 instead of 0 or 1), then this is an "Extended" key code
if (state > 1)
if (processedState.Ignore)
{
if (code == 42)
{
// Shift (42/0x2a) with extended flag = the key after this one is extended.
// Example case is Delete (The one above the arrow keys, not on numpad)...
// ... this generates a stroke of 0x2a (Shift) with *extended flag set* (Normal shift does not do this)...
// ... followed by 0x53 with extended flag set.
// We do not want to fire subsriptions for the extended shift, but *do* want to let the key flow through...
// ... so that is handled here.
// When the extended key (Delete in the above example) subsequently comes through...
// ... it will have code 0x53, which we shift to 0x153 (Adding 256 Dec) to signify extended version...
// ... as this is how AHK behaves with GetKeySC()
// Set flag to stop Context Mode from firing
hasSubscription = true;
// Set flag to indicate disable mapping processing
processMappings = false;
}
else
{
// Extended flag set
// Shift code up by 256 (0x100) to signify extended code
code += 256;
state -= 2;
}
// Set flag to stop Context Mode from firing
hasSubscription = true;
// Set flag to indicate disable mapping processing
processMappings = false;
}
#endregion
var code = processedState.Code;
var state = processedState.State;
// Code and state now normalized, proceed with checking for subscriptions...
if (processMappings && _keyboardMappings[i].ContainsKey(code))
@ -571,7 +544,7 @@ namespace AutoHotInterception
block = true;
}
ThreadPool.QueueUserWorkItem(threadProc => mapping.Callback(1 - state));
ThreadPool.QueueUserWorkItem(threadProc => mapping.Callback(state));
}
}
@ -613,7 +586,7 @@ namespace AutoHotInterception
{
// Mouse Button
//Debug.WriteLine($"AHK| Mouse {i} seen - flags: {stroke.mouse.flags}, raw state: {stroke.mouse.state}");
var btnState = StrokeStateToButtonState(stroke);
var btnState = MouseStrokeToButtonState(stroke);
if (_mouseButtonMappings[i].ContainsKey(btnState.Button))
{
hasSubscription = true;

3
C#/AutoHotInterception/Monitor.cs
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@ -111,6 +111,9 @@ namespace AutoHotInterception
while (ManagedWrapper.Receive(_deviceContext, i, ref stroke, 1) > 0)
{
ManagedWrapper.Send(_deviceContext, i, ref stroke, 1);
var processedState = KeyboardStrokeToKeyboardState(stroke);
stroke.key.code = processedState.Code;
stroke.key.state = processedState.State;
FireKeyboardCallback(i, stroke);
}
}

2
CHANGELOG.md
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@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
## [Unreleased]
### Added
### Changed
- Monitor now outputs code and state as it would be passed if using Manager
### Deprecated
### Removed
### Fixed

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