void ttext_box::delete_char(const bool before_cursor)
{
if(before_cursor) {
set_cursor(get_selection_start() - 1, false);
}
set_selection_length(1);
delete_selection();
}
void ttext_::handle_key_delete(SDLMod /*modifier*/, bool& handled)
{
DBG_GUI_E << LOG_SCOPE_HEADER << '\n';
handled = true;
if(selection_length_ != 0) {
delete_selection();
} else if (selection_start_ < text_.get_length()) {
delete_char(false);
}
}
void ttext_::handle_key_backspace(SDLMod /*modifier*/, bool& handled)
{
DBG_GUI_E << LOG_SCOPE_HEADER << '\n';
handled = true;
if(selection_length_ != 0) {
delete_selection();
} else if(selection_start_){
delete_char(true);
}
fire(event::NOTIFY_MODIFIED, *this, NULL);
}
void ttext_::insert_char(const Uint16 unicode)
{
delete_selection();
if(text_.insert_unicode(selection_start_, unicode)) {
// Update status
set_cursor(selection_start_ + 1, false);
update_canvas();
set_dirty(true);
}
}
void ttext_::handle_key_delete(SDL_Keymod /*modifier*/, bool& handled)
{
DBG_GUI_E << LOG_SCOPE_HEADER << '\n';
handled = true;
if(selection_length_ != 0) {
delete_selection();
} else if(selection_start_ < text_.get_length()) {
delete_char(false);
}
fire(event::NOTIFY_MODIFIED, *this, nullptr);
}
void ttext_::insert_char(const utf8::string& unicode)
{
delete_selection();
if(text_.insert_text(selection_start_, unicode)) {
// Update status
set_cursor(selection_start_ + 1, false);
update_canvas();
set_is_dirty(true);
}
}
void ttext_::paste_selection(const bool mouse)
{
const std::string& text = copy_from_clipboard(mouse);
if(text.empty()) {
return;
}
delete_selection();
selection_start_ += text_.insert_text(selection_start_, text);
update_canvas();
set_dirty();
}
static gboolean
treeview_key_press_event_cb (GtkTreeView *treeview,
GdkEventKey *event,
DialogTab *tab)
{
if (event->keyval == GDK_Delete || event->keyval == GDK_KP_Delete)
{
delete_selection (tab);
return TRUE;
}
return FALSE;
}
void ttext_::paste_selection(const bool mouse)
{
const std::string& text = copy_from_clipboard(mouse);
if(text.empty()) {
return;
}
delete_selection();
selection_start_ += text_.insert_text(selection_start_, text);
update_canvas();
set_dirty(true);
fire(event::NOTIFY_MODIFIED, *this, NULL);
}
void tpassword_box::handle_key_delete(SDLMod /*modifier*/, bool& handled) {
pre_function();
// Copy & paste from ttext_::handle_key_delete()
DBG_GUI_E << LOG_SCOPE_HEADER << '\n';
handled = true;
if(get_selection_length() != 0) {
delete_selection();
} else if (get_selection_start() < get_text_length(text())) {
delete_char(false);
}
post_function();
}
void ttext_::signal_handler_sdl_key_down(const event::tevent event
, bool& handled
, const SDLKey key
, SDLMod modifier
, const Uint16 unicode)
{
DBG_GUI_E << LOG_HEADER << ' ' << event << ".\n";
// For copy/paste we use a different key on the MAC. Other ctrl modifiers won't
// be modifed seems not to be required when I read the comment in
// widgets/textbox.cpp:516. Would be nice if somebody on a MAC would test it.
#ifdef __APPLE__
const unsigned copypaste_modifier = KMOD_LMETA | KMOD_RMETA;
#else
const unsigned copypaste_modifier = KMOD_CTRL;
#endif
switch(key) {
case SDLK_LEFT :
handle_key_left_arrow(modifier, handled);
break;
case SDLK_RIGHT :
handle_key_right_arrow(modifier, handled);
break;
case SDLK_UP :
handle_key_up_arrow(modifier, handled);
break;
case SDLK_DOWN :
handle_key_down_arrow(modifier, handled);
break;
case SDLK_PAGEUP :
handle_key_page_up(modifier, handled);
break;
case SDLK_PAGEDOWN :
handle_key_page_down(modifier, handled);
break;
case SDLK_a :
if(!(modifier & KMOD_CTRL)) {
handle_key_default(handled, key, modifier, unicode);
break;
}
// If ctrl-a is used for home drop the control modifier
modifier = static_cast<SDLMod>(modifier &~ KMOD_CTRL);
/* FALL DOWN */
case SDLK_HOME :
handle_key_home(modifier, handled);
break;
case SDLK_e :
if(!(modifier & KMOD_CTRL)) {
handle_key_default(handled, key, modifier, unicode);
break;
}
// If ctrl-e is used for end drop the control modifier
modifier = static_cast<SDLMod>(modifier &~ KMOD_CTRL);
/* FALL DOWN */
case SDLK_END :
handle_key_end(modifier, handled);
break;
case SDLK_BACKSPACE :
handle_key_backspace(modifier, handled);
break;
case SDLK_u :
if(modifier & KMOD_CTRL) {
handle_key_clear_line(modifier, handled);
} else {
handle_key_default(handled, key, modifier, unicode);
}
break;
case SDLK_DELETE :
handle_key_delete(modifier, handled);
break;
case SDLK_c :
if(!(modifier & copypaste_modifier)) {
handle_key_default(handled, key, modifier, unicode);
break;
}
// atm we don't care whether there is something to copy or paste
// if nothing is there we still don't want to be chained.
copy_selection(false);
handled = true;
break;
case SDLK_x :
if(!(modifier & copypaste_modifier)) {
handle_key_default(handled, key, modifier, unicode);
break;
}
copy_selection(false);
delete_selection();
handled = true;
break;
case SDLK_v :
if(!(modifier & copypaste_modifier)) {
handle_key_default(handled, key, modifier, unicode);
break;
}
paste_selection(false);
handled = true;
break;
default :
handle_key_default(handled, key, modifier, unicode);
}
if(text_changed_callback_) {
text_changed_callback_(this, this->text());
}
}
static void
remove_button_clicked_cb (GtkWidget *button,
DialogTab *tab)
{
delete_selection (tab);
}
void Text::keystroke(const Event& event) {
if (readOnly_) {
return;
}
char buffer[8]; // needs to be dynamically adjusted
int count = event.mapkey(buffer, 8);
if (count <= 0) {
return;
}
// return causes a newline
if (buffer[0] == '\r') {
buffer[0] = '\n';
}
context_key(buffer[0]);
if (buffer[0] == 2) // control-b
{
if (insertion_.column_ > 0)
{
--insertion_.column_;
damage(insertion_);
repair();
}else if (insertion_.line_ > 0) {
damage(insertion_);
--insertion_.line_;
// now just like a control-e
int index = text_->LineIndex(insertion_.line_);
int end = text_->EndOfLine(index);
insertion_.column_ = end - index;
damage(insertion_);
repair();
}
return;
}
else if (buffer[0] == 1) // control-a
{
insertion_.column_ = 0;
damage(insertion_);
repair();
return;
}
else if (buffer[0] == 6) // control-f
{
int index = text_->LineIndex(insertion_.line_);
int end = text_->EndOfLine(index);
if (insertion_.column_ < end - index)
{
++insertion_.column_;
damage(insertion_);
repair();
}else if (insertion_.line_ < text_->Height()-1) {
damage(insertion_);
++insertion_.line_;
// now just like control-a
insertion_.column_ = 0;
damage(insertion_);
repair();
}
return;
}
else if (buffer[0] == 5) // control-e
{
int index = text_->LineIndex(insertion_.line_);
int end = text_->EndOfLine(index);
insertion_.column_ = end - index;
damage(insertion_);
repair();
return;
}
else if (buffer[0] == 16) { // control-p
if (insertion_.line_ > 0) {
damage(insertion_);
--insertion_.line_;
insertion_.column_ = ctl_pn_col_;
int index = text_->LineIndex(insertion_.line_);
int col = text_->EndOfLine(index) - index;
if (col < insertion_.column_){
insertion_.column_ = col;
}
damage(insertion_);
repair();
}
return;
}else if (buffer[0] == 14) { // control-n
if (insertion_.line_ < text_->Height()-1) {
damage(insertion_);
++insertion_.line_;
insertion_.column_ = ctl_pn_col_;
int index = text_->LineIndex(insertion_.line_);
int col = text_->EndOfLine(index) - index;
if (col < insertion_.column_){
insertion_.column_ = col;
}
damage(insertion_);
repair();
}
return;
}else if (escape_ == 1) { // escaped chars
if (buffer[0] == '>') { // to end of buffer
damage(insertion_);
if (text_->Height() >0) {
insertion_.line_ = text_->Height()-1;
} else {
insertion_.line_ = 0;
}
int index = text_->LineIndex(text_->EndOfText());
insertion_.column_ = text_->EndOfText()-index;
damage(insertion_);
repair();
}else if (buffer[0] == '<') {// to beginning of buffer
damage(insertion_);
insertion_.line_ = 0;
insertion_.column_ = 0;
damage(insertion_);
repair();
}
return;
}else if (buffer[0] == 033) { // ignore the escape itself
return;
}
else if (buffer[0] == 4) // ctrl-d
{
if (!delete_selection()) {
// like a ctrl-f then backspace
int index = text_->LineIndex(insertion_.line_);
int end = text_->EndOfLine(index);
if (insertion_.column_ < end - index)
{
++insertion_.column_;
backspace();
}else if (insertion_.line_ < text_->Height()-1) {
++insertion_.line_;
// now just like control-a
insertion_.column_ = 0;
backspace();
}
}
}
else if (buffer[0] == 21) {
// control u
eraseLine();
}
else if ((buffer[0] == '\b') || (buffer[0] == 127)) {
// backspace and delete
if (!delete_selection()) {
backspace();
}
}
else {
delete_selection();
insertChars(buffer, count);
}
dirty(true);
}