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Improve keyboard handling for unexpected inputs and multi-character input (such as dictation)

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This commit is contained in:
Cameron Gutman
2018-08-29 10:02:58 -07:00
parent 9123033bb3
commit 003fc8c1f8
1 changed files with 30 additions and 17 deletions
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47
Limelight/Input/StreamView.m
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@@ -144,6 +144,10 @@
_keyInputField.text = @"0";
[_keyInputField becomeFirstResponder];
[_keyInputField addTarget:self action:@selector(onKeyboardPressed:) forControlEvents:UIControlEventEditingChanged];
// Undo causes issues for our state management, so turn it off
[_keyInputField.undoManager disableUndoRegistration];
isInputingText = true;
}
} else if ([[event allTouches] count] == 2) {
@@ -209,28 +213,37 @@
usleep(50 * 1000);
LiSendKeyboardEvent(0x08, KEY_ACTION_UP, 0);
} else {
struct KeyEvent event = [KeyboardSupport translateKeyEvent:[inputText characterAtIndex:1]];
if (event.keycode == 0) {
// If we don't know the code, don't send anything.
Log(LOG_W, @"Unknown key code: [%c]", [inputText characterAtIndex:1]);
return;
}
// When we want to send a modified key (like uppercase letters) we need to send the
// modifier ("shift") seperately from the key itself.
if (event.modifier != 0) {
LiSendKeyboardEvent(event.modifierKeycode, KEY_ACTION_DOWN, event.modifier);
// Character 0 will be our known sentinel value
for (int i = 1; i < [inputText length]; i++) {
struct KeyEvent event = [KeyboardSupport translateKeyEvent:[inputText characterAtIndex:i]];
if (event.keycode == 0) {
// If we don't know the code, don't send anything.
Log(LOG_W, @"Unknown key code: [%c]", [inputText characterAtIndex:i]);
continue;
}
// When we want to send a modified key (like uppercase letters) we need to send the
// modifier ("shift") seperately from the key itself.
if (event.modifier != 0) {
LiSendKeyboardEvent(event.modifierKeycode, KEY_ACTION_DOWN, event.modifier);
usleep(50 * 1000);
}
LiSendKeyboardEvent(event.keycode, KEY_ACTION_DOWN, event.modifier);
usleep(50 * 1000);
}
LiSendKeyboardEvent(event.keycode, KEY_ACTION_DOWN, event.modifier);
usleep(50 * 1000);
LiSendKeyboardEvent(event.keycode, KEY_ACTION_UP, event.modifier);
if (event.modifier != 0) {
LiSendKeyboardEvent(event.modifierKeycode, KEY_ACTION_UP, event.modifier);
LiSendKeyboardEvent(event.keycode, KEY_ACTION_UP, event.modifier);
if (event.modifier != 0) {
LiSendKeyboardEvent(event.modifierKeycode, KEY_ACTION_UP, event.modifier);
}
}
}
});
// Reset text field back to known state
textField.text = @"0";
// Move the insertion point back to the end of the text box
UITextRange *textRange = [textField textRangeFromPosition:textField.endOfDocument toPosition:textField.endOfDocument];
[textField setSelectedTextRange:textRange];
}
@end