/// <summary>True if the device is likely to be a mouse</summary>
public static bool isMouse(this RawDevice device)
{
if (!device.otherHandlers.Any(s => s.startsWith("mouse")))
{
return(false);
}
if (!device.buttonGroups.Contains(eButtonGroup.Mouse))
{
return(false);
}
return(true);
}
static RawDevice findDevice(Func <RawDevice, bool> selector, int index)
{
int i = 0;
foreach (var dev in RawDevice.list())
{
if (!selector(dev))
{
continue;
}
if (i == index)
{
return(dev);
}
i++;
}
return(null);
}
/// <summary>Open a raw mouse device and wrap it into an adapter that will call the provided object when input happens.</summary>
public static iInputEventTimeSource openRawMouse(this Dispatcher dispatcher, iMouseHandler handler, CRect clipRect, RawDevice device = null)
{
// Find the mouse
if (null == device)
{
device = RawDevice.list().FirstOrDefault(isMouse);
if (null == device)
{
throw new ApplicationException("No mice are detected");
}
}
// Create the adapter to translate raw events into mouse events
RawMouse mouse = clipRect.isEmpty ? new RawMouse(device, handler) : new RawMouseClipped(device, clipRect, handler);
// Open the device
using (iLinuxDispatcher linuxDispatcher = ComLightCast.cast <iLinuxDispatcher>(dispatcher.nativeDispatcher))
linuxDispatcher.openInputDevice(device.eventInterface, mouse);
return(mouse);
}
/// <summary>True if the device is likely to be a QUERTY keyboard</summary>
public static bool isQwertyKeyboard(this RawDevice device)
{
if (!device.otherHandlers.Any(s => s.equals("kbd")))
{
return(false);
}
byte foundKeys = 0;
foreach (var k in device.keys)
{
if (!requiredKeyboardKeys.TryGetValue(k, out byte bit))
{
continue;
}
foundKeys |= bit;
if (foundKeys == requiredKeysMask)
{
return(true);
}
}
return(false);
}
/// <summary>Open a raw input device, interpret the input as a US English keyboard</summary>
public static iInputEventTimeSource openRawKeyboard(this Dispatcher dispatcher, iKeyboardHandler handler, RawDevice device = null)
{
// Find the keyboard
if (null == device)
{
device = RawDevice.list().FirstOrDefault(isQwertyKeyboard);
if (null == device)
{
throw new ApplicationException("No keyboards found");
}
}
// Create the layout. That object also owns the state, i.e. shift/numlock/etc.
iKeyboardLayout layout = new UsEnglishLayout();
// Create the adapter to translate raw events into keyboard events
var keyboard = new RawKeyboard(device, layout, handler);;
// Open the device
using (iLinuxDispatcher linuxDispatcher = ComLightCast.cast <iLinuxDispatcher>(dispatcher.nativeDispatcher))
linuxDispatcher.openInputDevice(device.eventInterface, keyboard);
return(keyboard);
}
internal RawKeyboard(RawDevice device, iKeyboardLayout layout, iKeyboardHandler handler)
{
this.layout = layout;
this.handler = handler;
deviceName = device.name;
if (deviceName.isEmpty())
{
deviceName = device.productDescription;
}
if (deviceName.isEmpty())
{
string mfg = device.manufacturer;
if (mfg.notEmpty())
{
deviceName = $"A keyboard made by { mfg }";
}
else
{
deviceName = $"Unidentified { device.bus } keyboard";
}
}
}
internal RawMouse(RawDevice device, iMouseHandler handler)
{
this.handler = handler;
buttons = device.buttons.ToArray();
deviceName = device.name;
if (deviceName.isEmpty())
{
deviceName = device.productDescription;
}
if (deviceName.isEmpty())
{
string mfg = device.manufacturer;
if (mfg.notEmpty())
{
deviceName = $"A mouse made by { mfg }";
}
else
{
deviceName = $"Unidentified { device.bus } mouse";
}
}
}
/// <summary>Open a raw mouse device and wrap it into an adapter that will call the provided object when input happens.</summary>
public static iInputEventTimeSource openRawMouse(this Dispatcher dispatcher, iMouseHandler handler, RawDevice device = null)
{
return(openRawMouse(dispatcher, handler, CRect.empty, device));
}