textbox& textbox::append(const nana::string& text, bool at_caret)
{
auto editor = get_drawer_trigger().editor();
if(editor)
{
if(at_caret == false)
editor->move_caret_end();
editor->put(text);
API::update_window(this->handle());
}
return *this;
}
textbox& textbox::append(const std::string& text, bool at_caret)
{
internal_scope_guard lock;
auto editor = get_drawer_trigger().editor();
if(editor)
{
if(at_caret == false)
editor->move_caret_end();
editor->put(to_wstring(text));
API::update_window(this->handle());
}
return *this;
}
bool text_entry::on_key_down(const window_key_event_params& params) {
bool is_trapped = false;
if (is_focused()) {
//don't trap when ALT is down, this would prevent ALT-TAB
if (!params.is_alt_down()) {
is_trapped = true;
if (params.is_ctrl_down()) {
if (params.is_shift_down()) {
if (params._key == keyboard_key::LEFT) {
move_caret_left_to_next_word(params.is_shift_down());
}
else if (params._key == keyboard_key::RIGHT) {
move_caret_right_to_next_word(params.is_shift_down());
}
else {
is_trapped = false;
}
}
else {
if (params._key == keyboard_key::C) {
copy_text_to_clipboard(params._clipboard);
}
else if (params._key == keyboard_key::X) {
cut_text_to_clipboard(params._clipboard);
}
else if (params._key == keyboard_key::V) {
paste_text_from_clipboard(params._clipboard);
}
else {
is_trapped = false;
}
}
}
else {
if (params._key == keyboard_key::BACKSPACE) {
handle_backspace_key_down();
}
else if (params._key == keyboard_key::DEL) {
handle_delete_key_down();
}
else if (params._key == keyboard_key::HOME) {
move_caret_home(params.is_shift_down());
}
else if (params._key == keyboard_key::END) {
move_caret_end(params.is_shift_down());
}
else if (params._key == keyboard_key::LEFT) {
move_caret_left(1, params.is_shift_down());
}
else if (params._key == keyboard_key::RIGHT) {
move_caret_right(1, params.is_shift_down());
}
else if (params._key == keyboard_key::ENTER) {
if (_should_trap_enter) {
try_apply_changes();
move_caret_end(false);
}
else {
is_trapped = false;
}
}
else {
//NOTE: trap all keys, needs to by symmetrical with on_char_received(). Alphanumeric keys
//where being picked up by other windows even though on_char_received() was trapping the event.
is_trapped = is_alpha_numeric(params._key) || (params._key == keyboard_key::SPACE);
}
}
}
}
return is_trapped;
}
