WebKeyboardEventBuilder::WebKeyboardEventBuilder(const KeyboardEvent& event)
{
if (event.type() == EventTypeNames::keydown)
type = KeyDown;
else if (event.type() == EventTypeNames::keyup)
type = WebInputEvent::KeyUp;
else if (event.type() == EventTypeNames::keypress)
type = WebInputEvent::Char;
else
return; // Skip all other keyboard events.
modifiers = getWebInputModifiers(event);
if (event.location() == KeyboardEvent::DOM_KEY_LOCATION_NUMPAD)
modifiers |= WebInputEvent::IsKeyPad;
else if (event.location() == KeyboardEvent::DOM_KEY_LOCATION_LEFT)
modifiers |= WebInputEvent::IsLeft;
else if (event.location() == KeyboardEvent::DOM_KEY_LOCATION_RIGHT)
modifiers |= WebInputEvent::IsRight;
timeStampSeconds = event.timeStamp() / millisPerSecond;
windowsKeyCode = event.keyCode();
// The platform keyevent does not exist if the event was created using
// initKeyboardEvent.
if (!event.keyEvent())
return;
nativeKeyCode = event.keyEvent()->nativeVirtualKeyCode();
unsigned numberOfCharacters = std::min(event.keyEvent()->text().length(), static_cast<unsigned>(textLengthCap));
for (unsigned i = 0; i < numberOfCharacters; ++i) {
text[i] = event.keyEvent()->text()[i];
unmodifiedText[i] = event.keyEvent()->unmodifiedText()[i];
}
memcpy(keyIdentifier, event.keyIdentifier().ascii().data(), event.keyIdentifier().length());
}
WebKeyboardEventBuilder::WebKeyboardEventBuilder(const KeyboardEvent& event)
{
if (event.type() == eventNames().keydownEvent)
type = KeyDown;
else if (event.type() == eventNames().keyupEvent)
type = WebInputEvent::KeyUp;
else if (event.type() == eventNames().keypressEvent)
type = WebInputEvent::Char;
else
return; // Skip all other keyboard events.
modifiers = getWebInputModifiers(event);
timeStampSeconds = event.timeStamp() / millisPerSecond;
windowsKeyCode = event.keyCode();
// The platform keyevent does not exist if the event was created using
// initKeyboardEvent.
if (!event.keyEvent())
return;
nativeKeyCode = event.keyEvent()->nativeVirtualKeyCode();
unsigned numberOfCharacters = std::min(event.keyEvent()->text().length(), static_cast<unsigned>(textLengthCap));
for (unsigned i = 0; i < numberOfCharacters; ++i) {
text[i] = event.keyEvent()->text()[i];
unmodifiedText[i] = event.keyEvent()->unmodifiedText()[i];
}
}
WebKeyboardEventBuilder::WebKeyboardEventBuilder(const KeyboardEvent& event)
{
if (event.type() == EventTypeNames::keydown)
type = KeyDown;
else if (event.type() == EventTypeNames::keyup)
type = WebInputEvent::KeyUp;
else if (event.type() == EventTypeNames::keypress)
type = WebInputEvent::Char;
else
return; // Skip all other keyboard events.
modifiers = event.modifiers();
timeStampSeconds = event.platformTimeStamp();
windowsKeyCode = event.keyCode();
// The platform keyevent does not exist if the event was created using
// initKeyboardEvent.
if (!event.keyEvent())
return;
nativeKeyCode = event.keyEvent()->nativeVirtualKeyCode();
domCode = Platform::current()->domEnumFromCodeString(event.keyEvent()->code());
domKey = Platform::current()->domKeyEnumFromString(event.keyEvent()->key());
unsigned numberOfCharacters = std::min(event.keyEvent()->text().length(), static_cast<unsigned>(textLengthCap));
for (unsigned i = 0; i < numberOfCharacters; ++i) {
text[i] = event.keyEvent()->text()[i];
unmodifiedText[i] = event.keyEvent()->unmodifiedText()[i];
}
memcpy(keyIdentifier, event.keyIdentifier().ascii().data(), event.keyIdentifier().length());
}
bool EditingBehavior::shouldInsertCharacter(const KeyboardEvent& event) const
{
if (event.keyEvent()->text().length() != 1)
return true;
// On Gtk/Linux, it emits key events with ASCII text and ctrl on for ctrl-<x>.
// In Webkit, EditorClient::handleKeyboardEvent in
// WebKit/gtk/WebCoreSupport/EditorClientGtk.cpp drop such events.
// On Mac, it emits key events with ASCII text and meta on for Command-<x>.
// These key events should not emit text insert event.
// Alt key would be used to insert alternative character, so we should let
// through. Also note that Ctrl-Alt combination equals to AltGr key which is
// also used to insert alternative character.
// http://code.google.com/p/chromium/issues/detail?id=10846
// Windows sets both alt and meta are on when "Alt" key pressed.
// http://code.google.com/p/chromium/issues/detail?id=2215
// Also, we should not rely on an assumption that keyboards don't
// send ASCII characters when pressing a control key on Windows,
// which may be configured to do it so by user.
// See also http://en.wikipedia.org/wiki/Keyboard_Layout
// FIXME(ukai): investigate more detail for various keyboard layout.
UChar ch = event.keyEvent()->text()[0U];
// Don't insert null or control characters as they can result in
// unexpected behaviour
if (ch < ' ')
return false;
#if !OS(WIN)
// Don't insert ASCII character if ctrl w/o alt or meta is on.
// On Mac, we should ignore events when meta is on (Command-<x>).
if (ch < 0x80) {
if (event.keyEvent()->ctrlKey() && !event.keyEvent()->altKey())
return false;
#if OS(MACOSX)
if (event.keyEvent()->metaKey())
return false;
#endif
}
#endif
return true;
}
