private bool TryRegHotkey(TextBox tb)
{
var hotkey = HotKeys.Str2HotKey(tb.Text);
if (hotkey == null)
{
MessageBox.Show(string.Format(I18N.GetString("Cannot parse hotkey: {0}"), tb.Text));
tb.Clear();
return(false);
}
HotKeys.HotKeyCallBackHandler callBack;
Label lb;
PrepareForHotkey(tb, out callBack, out lb);
UnregPrevHotkey(callBack);
// try to register keys
// if already registered by other progs
// notify to change
// use the corresponding label color to indicate
// reg result.
// Green: not occupied by others and operation succeed
// Yellow: already registered by other program and need action: disable by clear the content
// or change to another one
// Transparent without color: first run or empty config
bool regResult = HotKeys.Regist(hotkey, callBack);
lb.BackColor = regResult ? Color.Green : Color.Yellow;
return(regResult);
}
private bool RegHotkeyFromString(string hotkeyStr, string callbackName, Label indicator = null)
{
var _callback = HotkeyCallbacks.GetCallback(callbackName);
if (_callback == null)
{
throw new Exception($"{callbackName} not found");
}
var callback = _callback as HotKeys.HotKeyCallBackHandler;
if (hotkeyStr.IsNullOrEmpty())
{
HotKeys.UnregExistingHotkey(callback);
if (indicator != null)
{
indicator.ResetBackColor();
}
return(true);
}
else
{
var hotkey = HotKeys.Str2HotKey(hotkeyStr);
if (hotkey == null)
{
MessageBox.Show(string.Format(I18N.GetString("Cannot parse hotkey: {0}"), hotkeyStr));
return(false);
}
else
{
bool regResult = (HotKeys.RegHotkey(hotkey, callback));
if (indicator != null)
{
indicator.BackColor = regResult ? Color.Green : Color.Yellow;
}
return(regResult);
}
}
}
