bool Entry::onProcessMessage(Message* msg)
{
switch (msg->type()) {
case kTimerMessage:
if (hasFocus() && static_cast<TimerMessage*>(msg)->timer() == &m_timer) {
// Blinking caret
m_state = m_state ? false: true;
invalidate();
}
break;
case kFocusEnterMessage:
m_timer.start();
m_state = true;
invalidate();
if (m_lock_selection) {
m_lock_selection = false;
}
else {
selectAllText();
m_recent_focused = true;
}
break;
case kFocusLeaveMessage:
invalidate();
m_timer.stop();
if (!m_lock_selection)
deselectText();
m_recent_focused = false;
break;
case kKeyDownMessage:
if (hasFocus() && !isReadOnly()) {
// Command to execute
EntryCmd cmd = EntryCmd::NoOp;
KeyMessage* keymsg = static_cast<KeyMessage*>(msg);
KeyScancode scancode = keymsg->scancode();
switch (scancode) {
case kKeyLeft:
if (msg->ctrlPressed())
cmd = EntryCmd::BackwardWord;
else
cmd = EntryCmd::BackwardChar;
break;
case kKeyRight:
if (msg->ctrlPressed())
cmd = EntryCmd::ForwardWord;
else
cmd = EntryCmd::ForwardChar;
break;
case kKeyHome:
cmd = EntryCmd::BeginningOfLine;
break;
case kKeyEnd:
cmd = EntryCmd::EndOfLine;
break;
case kKeyDel:
if (msg->shiftPressed())
cmd = EntryCmd::Cut;
else
cmd = EntryCmd::DeleteForward;
break;
case kKeyInsert:
if (msg->shiftPressed())
cmd = EntryCmd::Paste;
else if (msg->ctrlPressed())
cmd = EntryCmd::Copy;
break;
case kKeyBackspace:
cmd = EntryCmd::DeleteBackward;
break;
default:
// Map common Windows shortcuts for Cut/Copy/Paste
#if defined __APPLE__
if (msg->onlyCmdPressed())
#else
if (msg->onlyCtrlPressed())
#endif
{
switch (scancode) {
case kKeyX: cmd = EntryCmd::Cut; break;
case kKeyC: cmd = EntryCmd::Copy; break;
case kKeyV: cmd = EntryCmd::Paste; break;
}
}
else if (keymsg->unicodeChar() >= 32) {
// Ctrl and Alt must be unpressed to insert a character
// in the text-field.
if ((msg->keyModifiers() & (kKeyCtrlModifier | kKeyAltModifier)) == 0) {
cmd = EntryCmd::InsertChar;
}
}
break;
}
if (cmd == EntryCmd::NoOp)
break;
executeCmd(cmd, keymsg->unicodeChar(),
(msg->shiftPressed()) ? true: false);
return true;
}
break;
case kMouseDownMessage:
captureMouse();
case kMouseMoveMessage:
if (hasCapture()) {
gfx::Point mousePos = static_cast<MouseMessage*>(msg)->position();
base::utf8_const_iterator utf8_begin = base::utf8_const_iterator(getText().begin());
base::utf8_const_iterator utf8_end = base::utf8_const_iterator(getText().end());
int textlen = base::utf8_length(getText());
int c, x;
bool move = true;
bool is_dirty = false;
// Backward scroll
if (mousePos.x < getBounds().x) {
if (m_scroll > 0) {
m_caret = --m_scroll;
move = false;
is_dirty = true;
invalidate();
}
}
// Forward scroll
else if (mousePos.x >= getBounds().x2()) {
if (m_scroll < textlen - getAvailableTextLength()) {
m_scroll++;
x = getBounds().x + this->border_width.l;
for (c=m_scroll; utf8_begin != utf8_end; ++c) {
int ch = (c < textlen ? *(utf8_begin+c) : ' ');
x += getFont()->charWidth(ch);
if (x > getBounds().x2()-this->border_width.r) {
c--;
break;
}
}
m_caret = c;
move = false;
is_dirty = true;
invalidate();
}
}
c = getCaretFromMouse(static_cast<MouseMessage*>(msg));
if (static_cast<MouseMessage*>(msg)->left() ||
(move && !isPosInSelection(c))) {
// Move caret
if (move) {
if (m_caret != c) {
m_caret = c;
is_dirty = true;
invalidate();
}
}
// Move selection
if (m_recent_focused) {
m_recent_focused = false;
m_select = m_caret;
}
else if (msg->type() == kMouseDownMessage)
m_select = m_caret;
}
// Show the caret
if (is_dirty) {
m_timer.start();
m_state = true;
}
return true;
}
break;
case kMouseUpMessage:
if (hasCapture()) {
releaseMouse();
MouseMessage* mouseMsg = static_cast<MouseMessage*>(msg);
if (mouseMsg->right()) {
// This flag is disabled in kFocusEnterMessage message handler.
m_lock_selection = true;
showEditPopupMenu(mouseMsg->position());
requestFocus();
}
}
return true;
case kDoubleClickMessage:
forwardWord();
m_select = m_caret;
backwardWord();
invalidate();
return true;
case kMouseEnterMessage:
case kMouseLeaveMessage:
// TODO theme stuff
if (isEnabled())
invalidate();
break;
}
return Widget::onProcessMessage(msg);
}
bool Entry::onProcessMessage(Message* msg)
{
switch (msg->type()) {
case kTimerMessage:
if (hasFocus() && static_cast<TimerMessage*>(msg)->timer() == &m_timer) {
// Blinking caret
m_state = m_state ? false: true;
invalidate();
}
break;
case kFocusEnterMessage:
if (shouldStartTimer(true))
m_timer.start();
m_state = true;
invalidate();
if (m_lock_selection) {
m_lock_selection = false;
}
else {
selectAllText();
m_recent_focused = true;
}
// Start processing dead keys
if (m_translate_dead_keys)
os::instance()->setTranslateDeadKeys(true);
break;
case kFocusLeaveMessage:
invalidate();
m_timer.stop();
if (!m_lock_selection)
deselectText();
m_recent_focused = false;
// Stop processing dead keys
if (m_translate_dead_keys)
os::instance()->setTranslateDeadKeys(false);
break;
case kKeyDownMessage:
if (hasFocus() && !isReadOnly()) {
// Command to execute
EntryCmd cmd = EntryCmd::NoOp;
KeyMessage* keymsg = static_cast<KeyMessage*>(msg);
KeyScancode scancode = keymsg->scancode();
switch (scancode) {
case kKeyLeft:
if (msg->ctrlPressed() || msg->altPressed())
cmd = EntryCmd::BackwardWord;
else if (msg->cmdPressed())
cmd = EntryCmd::BeginningOfLine;
else
cmd = EntryCmd::BackwardChar;
break;
case kKeyRight:
if (msg->ctrlPressed() || msg->altPressed())
cmd = EntryCmd::ForwardWord;
else if (msg->cmdPressed())
cmd = EntryCmd::EndOfLine;
else
cmd = EntryCmd::ForwardChar;
break;
case kKeyHome:
cmd = EntryCmd::BeginningOfLine;
break;
case kKeyEnd:
cmd = EntryCmd::EndOfLine;
break;
case kKeyDel:
if (msg->shiftPressed())
cmd = EntryCmd::Cut;
else if (msg->ctrlPressed())
cmd = EntryCmd::DeleteForwardToEndOfLine;
else
cmd = EntryCmd::DeleteForward;
break;
case kKeyInsert:
if (msg->shiftPressed())
cmd = EntryCmd::Paste;
else if (msg->ctrlPressed())
cmd = EntryCmd::Copy;
break;
case kKeyBackspace:
if (msg->ctrlPressed())
cmd = EntryCmd::DeleteBackwardWord;
else
cmd = EntryCmd::DeleteBackward;
break;
default:
// Map common macOS/Windows shortcuts for Cut/Copy/Paste/Select all
#if defined __APPLE__
if (msg->onlyCmdPressed())
#else
if (msg->onlyCtrlPressed())
#endif
{
switch (scancode) {
case kKeyX: cmd = EntryCmd::Cut; break;
case kKeyC: cmd = EntryCmd::Copy; break;
case kKeyV: cmd = EntryCmd::Paste; break;
case kKeyA: cmd = EntryCmd::SelectAll; break;
}
}
break;
}
if (cmd == EntryCmd::NoOp) {
if (keymsg->unicodeChar() >= 32) {
executeCmd(EntryCmd::InsertChar, keymsg->unicodeChar(),
(msg->shiftPressed()) ? true: false);
// Select dead-key
if (keymsg->isDeadKey()) {
if (lastCaretPos() < m_maxsize)
selectText(m_caret-1, m_caret);
}
return true;
}
// Consume all key down of modifiers only, e.g. so the user
// can press first "Ctrl" key, and then "Ctrl+C"
// combination.
else if (keymsg->scancode() >= kKeyFirstModifierScancode) {
return true;
}
else {
break; // Propagate to manager
}
}
executeCmd(cmd, keymsg->unicodeChar(),
(msg->shiftPressed()) ? true: false);
return true;
}
break;
case kMouseDownMessage:
captureMouse();
case kMouseMoveMessage:
if (hasCapture()) {
bool is_dirty = false;
int c = getCaretFromMouse(static_cast<MouseMessage*>(msg));
if (static_cast<MouseMessage*>(msg)->left() || !isPosInSelection(c)) {
// Move caret
if (m_caret != c) {
setCaretPos(c);
is_dirty = true;
invalidate();
}
// Move selection
if (m_recent_focused) {
m_recent_focused = false;
m_select = m_caret;
}
else if (msg->type() == kMouseDownMessage)
m_select = m_caret;
}
// Show the caret
if (is_dirty) {
if (shouldStartTimer(true))
m_timer.start();
m_state = true;
}
return true;
}
break;
case kMouseUpMessage:
if (hasCapture()) {
releaseMouse();
MouseMessage* mouseMsg = static_cast<MouseMessage*>(msg);
if (mouseMsg->right()) {
// This flag is disabled in kFocusEnterMessage message handler.
m_lock_selection = true;
showEditPopupMenu(mouseMsg->position());
requestFocus();
}
}
return true;
case kDoubleClickMessage:
forwardWord();
m_select = m_caret;
backwardWord();
invalidate();
return true;
case kMouseEnterMessage:
case kMouseLeaveMessage:
// TODO theme stuff
if (isEnabled())
invalidate();
break;
}
return Widget::onProcessMessage(msg);
}