protected virtual void OnHookEvent(HookEventArgs hookArgs, KeyBoardInfo keyBoardInfo)
{
if (HookEvent != null)
{
HookEvent(hookArgs, keyBoardInfo);
}
}
private int HookProcedure(int code, IntPtr wParam, IntPtr lParam)
{
KBDLLHOOKSTRUCT hookStruct = (KBDLLHOOKSTRUCT)Marshal.PtrToStructure(lParam, typeof(KBDLLHOOKSTRUCT));
if (code < 0)
{
return(CallNextHookEx(hookDeleg, code, wParam, lParam));
}
// Let clients determine what to do
HookEventArgs e = new HookEventArgs();
e.Code = code;
e.wParam = wParam;
e.lParam = lParam;
KeyBoardInfo keyInfo = new KeyBoardInfo();
keyInfo.vkCode = hookStruct.vkCode;
keyInfo.scanCode = hookStruct.scanCode;
OnHookEvent(e, keyInfo);
// Yield to the next hook in the chain
return(CallNextHookEx(hookDeleg, code, wParam, lParam));
}
private void HookEvent(HookEventArgs hookEventArgs, KeyBoardInfo keyBoardInfo)
{
var vkey = (Keys)keyBoardInfo.vkCode;
if (!_keys.Contains(vkey))
{
_keys.Add(vkey);
}
if (_collecting)
{
return;
}
_collecting = true;
var layer = ActiveView == null ? null : ActiveView.GetModel() as iLayer;
var list = ActiveView as SmoothListbox;
Device.Thread.QueueWorker(o =>
{
Thread.Sleep(40);
Device.Thread.ExecuteOnMainThread(new Action(() =>
{
var currentKeystroke = new Keystroke(_keys.Cast <int>());
var candidateKeys = new List <Keystroke> {
currentKeystroke
};
candidateKeys.AddRange(_keys.Select(k => new Keystroke((int)k)));
if (layer != null)
{
foreach (var key in candidateKeys)
{
var keyChord = new Gesture(key);
var link = layer.ShortcutGestures.GetValueOrDefault(keyChord, null);
if (link == null && _lastKeystroke != null)
{
keyChord = new Gesture(_lastKeystroke, key);
link = layer.ShortcutGestures.GetValueOrDefault(keyChord, null);
}
if (link == null)
{
continue;
}
_keys.Clear();
currentKeystroke = null;
CompactFactory.Navigate(link, ActiveView);
break;
}
}
if (_keys.Contains(Keys.Tab))
{
if (list == null || list.IsDisposed)
{
return;
}
if (_keys.Contains(Keys.ShiftKey))
{
list.HighlightPrevious();
}
else
{
list.HighlightNext();
}
_keys.Clear();
currentKeystroke = null;
}
else if (_keys.Any())
{
UI.Controls.TextBox text = null;
UI.Controls.TextArea area = null;
UI.Controls.PasswordBox pass = null;
UI.Controls.DatePicker date = null;
UI.Controls.TimePicker time = null;
var item = list == null || list.IsDisposed ? null : list.SelectedItem;
if (item != null)
{
text = item.GetChild <UI.Controls.TextBox>();
area = item.GetChild <UI.Controls.TextArea>();
pass = item.GetChild <UI.Controls.PasswordBox>();
date = item.GetChild <UI.Controls.DatePicker>();
time = item.GetChild <UI.Controls.TimePicker>();
}
if (item == null || text == null && area == null && pass == null)
{
foreach (var key in _keys)
{
switch (key)
{
case Keys.Home:
if (list != null && !list.IsDisposed)
{
list.ScrollToHome(true);
_keys.Clear();
currentKeystroke = null;
}
break;
case Keys.End:
if (list != null && !list.IsDisposed)
{
list.ScrollToEnd(true);
_keys.Clear();
currentKeystroke = null;
}
break;
case Keys.F23:
case Keys.Select:
case Keys.Enter:
case Keys.Space:
if (item != null)
{
item.Select();
}
_keys.Clear();
currentKeystroke = null;
break;
}
if (currentKeystroke == null)
{
break; // _keys was modified
}
}
}
if (item == null || area == null && date == null && time == null)
{
foreach (var key in _keys)
{
switch (key)
{
case Keys.Up:
if (list != null && !list.IsDisposed)
{
list.HighlightPrevious();
_keys.Clear();
currentKeystroke = null;
}
break;
case Keys.Down:
if (list != null && !list.IsDisposed)
{
list.HighlightNext();
_keys.Clear();
currentKeystroke = null;
}
break;
}
if (currentKeystroke == null)
{
break; // _keys was modified
}
}
}
if (area == null && text != null && (_keys.Contains(Keys.Enter) || _keys.Contains(Keys.F23)))
{
list.HighlightNext();
_keys.Clear();
currentKeystroke = null;
}
CommonKeys(list == null || list.IsDisposed ? null : list, ref currentKeystroke);
}
_lastKeystroke = currentKeystroke;
Device.Thread.QueueWorker(p =>
{
Thread.Sleep(40);
_keys.Clear();
_collecting = false;
});
}));
});
}
