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Only the Shift key must be handled with the Packet key.

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This commit is contained in:
BDisp
2022-09-21 20:10:17 +01:00
parent ecfd9c1132
commit 61f5b0992f
3 changed files with 60 additions and 92 deletions
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16
Terminal.Gui/ConsoleDrivers/FakeDriver/FakeDriver.cs
View File

@@ -360,7 +360,7 @@ namespace Terminal.Gui {
private Key MapKeyModifiers (ConsoleKeyInfo keyInfo, Key key)
{
Key keyMod = new Key ();
if ((keyInfo.Modifiers & ConsoleModifiers.Shift) != 0)
if (CanShiftBeAdded (keyInfo))
keyMod = Key.ShiftMask;
if ((keyInfo.Modifiers & ConsoleModifiers.Control) != 0)
keyMod |= Key.CtrlMask;
@@ -370,6 +370,20 @@ namespace Terminal.Gui {
return keyMod != Key.Null ? keyMod | key : key;
}
private bool CanShiftBeAdded (ConsoleKeyInfo keyInfo)
{
if ((keyInfo.Modifiers & ConsoleModifiers.Shift) == 0) {
return false;
}
if (keyInfo.Key == ConsoleKey.Packet) {
var ckiChar = keyInfo.KeyChar;
if (char.IsLetter (ckiChar)) {
return false;
}
}
return true;
}
Action<KeyEvent> keyHandler;
Action<KeyEvent> keyUpHandler;
private CursorVisibility savedCursorVisibility;

81
Terminal.Gui/ConsoleDrivers/WindowsDriver.cs
View File

@@ -1250,15 +1250,6 @@ namespace Terminal.Gui {
public Key MapKey (WindowsConsole.ConsoleKeyInfoEx keyInfoEx)
{
// If keystroke is a virtual key
if (keyInfoEx.consoleKeyInfo.Key == ConsoleKey.Packet) {
// try to map the 'char' that came with it into a Key
if (TryRemapPacketKey (keyInfoEx.consoleKeyInfo, out var result)) {
return result;
}
}
var keyInfo = keyInfoEx.consoleKeyInfo;
switch (keyInfo.Key) {
case ConsoleKey.Escape:
@@ -1381,10 +1372,10 @@ namespace Terminal.Gui {
return (Key)(0xffffffff);
}
Key MapKeyModifiers (ConsoleKeyInfo keyInfo, Key key)
private Key MapKeyModifiers (ConsoleKeyInfo keyInfo, Key key)
{
Key keyMod = new Key ();
if ((keyInfo.Modifiers & ConsoleModifiers.Shift) != 0)
if (CanShiftBeAdded (keyInfo))
keyMod = Key.ShiftMask;
if ((keyInfo.Modifiers & ConsoleModifiers.Control) != 0)
keyMod |= Key.CtrlMask;
@@ -1394,6 +1385,20 @@ namespace Terminal.Gui {
return keyMod != Key.Null ? keyMod | key : key;
}
private bool CanShiftBeAdded (ConsoleKeyInfo keyInfo)
{
if ((keyInfo.Modifiers & ConsoleModifiers.Shift) == 0) {
return false;
}
if (keyInfo.Key == ConsoleKey.Packet) {
var ckiChar = keyInfo.KeyChar;
if (char.IsLetter (ckiChar)) {
return false;
}
}
return true;
}
public override void Init (Action terminalResized)
{
TerminalResized = terminalResized;
@@ -1738,60 +1743,6 @@ namespace Terminal.Gui {
public override void CookMouse ()
{
}
/// <summary>
/// Handles case when the 'key' providied is <see cref="ConsoleKey.Packet"/>
/// returning a <see cref="Key"/> that reflects the unicode char that came with
/// the OS event.
/// </summary>
/// <exception cref="ArgumentException">Thrown if passed key was not a <see cref="ConsoleKey.Packet"/></exception>
internal static bool TryRemapPacketKey (ConsoleKeyInfo original, out Key result)
{
result = default (Key);
var c = original.KeyChar;
if (original.Key != ConsoleKey.Packet)
throw new ArgumentException ("Expected a ConsoleKeyInfo with a Key of Packet", nameof (original));
// there is no unicode value passed
if (c == '\0') {
return false;
}
// do not have a explicit mapping and char is nonzero so
// we can just treat the `Key` as a regular unicode entry
result = ApplyModifiers ((Key)c,original.Modifiers);
return true;
}
/// <summary>
/// Applies
/// </summary>
/// <param name="c"></param>
/// <param name="modifiers"></param>
/// <returns></returns>
private static Key ApplyModifiers (Key c, ConsoleModifiers modifiers)
{
if(modifiers.HasFlag(ConsoleModifiers.Control)) {
c |= Key.CtrlMask;
}
if (modifiers.HasFlag (ConsoleModifiers.Alt)) {
c |= Key.AltMask;
}
/* TODO: Why not this too? I'm a bit confused
ALSO this method looks a lot like `Key MapKeyModifiers (ConsoleKeyInfo keyInfo, Key key)`
Maybe we should be using that instead?
if (modifiers.HasFlag (ConsoleModifiers.Shift)) {
c |= Key.ShiftMask;
}
*/
return c;
}
#endregion
}