std::string Entry::selectedText() const
{
int selbeg, selend;
getEntryThemeInfo(nullptr, nullptr, nullptr, &selbeg, &selend);
if (selbeg >= 0 && selend >= 0) {
ASSERT(selbeg < int(m_boxes.size()));
ASSERT(selend < int(m_boxes.size()));
return text().substr(m_boxes[selbeg].from,
m_boxes[selend].to - m_boxes[selbeg].from);
}
else
return std::string();
}
void Entry::executeCmd(EntryCmd cmd, int unicodeChar, bool shift_pressed)
{
std::wstring text = base::from_utf8(getText());
int c, selbeg, selend;
getEntryThemeInfo(NULL, NULL, NULL, &selbeg, &selend);
switch (cmd) {
case EntryCmd::NoOp:
break;
case EntryCmd::InsertChar:
// delete the entire selection
if (selbeg >= 0) {
text.erase(selbeg, selend-selbeg+1);
m_caret = selbeg;
}
// put the character
if (text.size() < m_maxsize) {
ASSERT((size_t)m_caret <= text.size());
text.insert(m_caret++, 1, unicodeChar);
}
m_select = -1;
break;
case EntryCmd::BackwardChar:
case EntryCmd::BackwardWord:
// selection
if (shift_pressed) {
if (m_select < 0)
m_select = m_caret;
}
else
m_select = -1;
// backward word
if (cmd == EntryCmd::BackwardWord) {
backwardWord();
}
// backward char
else if (m_caret > 0) {
m_caret--;
}
break;
case EntryCmd::ForwardChar:
case EntryCmd::ForwardWord:
// selection
if (shift_pressed) {
if (m_select < 0)
m_select = m_caret;
}
else
m_select = -1;
// forward word
if (cmd == EntryCmd::ForwardWord) {
forwardWord();
}
// forward char
else if (m_caret < (int)text.size()) {
m_caret++;
}
break;
case EntryCmd::BeginningOfLine:
// selection
if (shift_pressed) {
if (m_select < 0)
m_select = m_caret;
}
else
m_select = -1;
m_caret = 0;
break;
case EntryCmd::EndOfLine:
// selection
if (shift_pressed) {
if (m_select < 0)
m_select = m_caret;
}
else
m_select = -1;
m_caret = text.size();
break;
case EntryCmd::DeleteForward:
case EntryCmd::Cut:
// delete the entire selection
if (selbeg >= 0) {
// *cut* text!
if (cmd == EntryCmd::Cut) {
std::wstring selected = text.substr(selbeg, selend - selbeg + 1);
clipboard::set_text(base::to_utf8(selected).c_str());
}
// remove text
text.erase(selbeg, selend-selbeg+1);
m_caret = selbeg;
}
// delete the next character
else {
if (m_caret < (int)text.size())
text.erase(m_caret, 1);
}
m_select = -1;
break;
case EntryCmd::Paste: {
const char* clipboard_str;
if ((clipboard_str = clipboard::get_text())) {
std::string clipboard(clipboard_str);
// delete the entire selection
if (selbeg >= 0) {
text.erase(selbeg, selend-selbeg+1);
m_caret = selbeg;
m_select = -1;
}
// paste text
for (c=0; c<base::utf8_length(clipboard); c++) {
if (text.size() < m_maxsize)
text.insert(m_caret+c, 1,
*(base::utf8_const_iterator(clipboard.begin())+c));
else
break;
}
setCaretPos(m_caret+c);
}
break;
}
case EntryCmd::Copy:
if (selbeg >= 0) {
std::wstring selected = text.substr(selbeg, selend - selbeg + 1);
clipboard::set_text(base::to_utf8(selected).c_str());
}
break;
case EntryCmd::DeleteBackward:
// delete the entire selection
if (selbeg >= 0) {
text.erase(selbeg, selend-selbeg+1);
m_caret = selbeg;
}
// delete the previous character
else {
if (m_caret > 0)
text.erase(--m_caret, 1);
}
m_select = -1;
break;
}
std::string newText = base::to_utf8(text);
if (newText != getText()) {
setText(newText.c_str());
onEntryChange();
}
setCaretPos(m_caret);
invalidate();
}
void Entry::executeCmd(EntryCmd cmd, int unicodeChar, bool shift_pressed)
{
std::string text = this->text();
int selbeg, selend;
getEntryThemeInfo(NULL, NULL, NULL, &selbeg, &selend);
switch (cmd) {
case EntryCmd::NoOp:
break;
case EntryCmd::InsertChar:
// delete the entire selection
if (selbeg >= 0) {
text.erase(m_boxes[selbeg].from,
m_boxes[selend].to - m_boxes[selbeg].from);
m_caret = selbeg;
// We set the caret to the beginning of the erased selection,
// needed to show the first inserted character in case
// m_scroll > m_caret. E.g. we select all text and insert a
// new character to replace the whole text, the new inserted
// character makes m_caret=1, so m_scroll will be 1 too, but
// we need to make m_scroll=0 to show the new inserted char.)
// In this way, we first ensure a m_scroll value enough to
// show the new inserted character.
recalcCharBoxes(text);
setCaretPos(m_caret);
}
// Convert the unicode character -> wstring -> utf-8 string -> insert the utf-8 string
if (lastCaretPos() < m_maxsize) {
ASSERT(m_caret <= lastCaretPos());
std::wstring unicodeStr;
unicodeStr.push_back(unicodeChar);
text.insert(m_boxes[m_caret].from,
base::to_utf8(unicodeStr));
recalcCharBoxes(text);
++m_caret;
}
m_select = -1;
break;
case EntryCmd::BackwardChar:
case EntryCmd::BackwardWord:
// selection
if (shift_pressed) {
if (m_select < 0)
m_select = m_caret;
}
else
m_select = -1;
// backward word
if (cmd == EntryCmd::BackwardWord) {
backwardWord();
}
// backward char
else if (m_caret > 0) {
m_caret--;
}
break;
case EntryCmd::ForwardChar:
case EntryCmd::ForwardWord:
// selection
if (shift_pressed) {
if (m_select < 0)
m_select = m_caret;
}
else
m_select = -1;
// forward word
if (cmd == EntryCmd::ForwardWord) {
forwardWord();
}
// forward char
else if (m_caret < (int)text.size()) {
m_caret++;
}
break;
case EntryCmd::BeginningOfLine:
// selection
if (shift_pressed) {
if (m_select < 0)
m_select = m_caret;
}
else
m_select = -1;
m_caret = 0;
break;
case EntryCmd::EndOfLine:
// selection
if (shift_pressed) {
if (m_select < 0)
m_select = m_caret;
}
else
m_select = -1;
m_caret = lastCaretPos();
break;
case EntryCmd::DeleteForward:
case EntryCmd::Cut:
// delete the entire selection
if (selbeg >= 0) {
// *cut* text!
if (cmd == EntryCmd::Cut)
set_clipboard_text(selectedText());
// remove text
text.erase(m_boxes[selbeg].from,
m_boxes[selend].to - m_boxes[selbeg].from);
m_caret = selbeg;
}
// delete the next character
else {
if (m_caret < (int)text.size())
text.erase(m_boxes[m_caret].from,
m_boxes[m_caret].to - m_boxes[m_caret].from);
}
m_select = -1;
break;
case EntryCmd::Paste: {
std::string clipboard;
if (get_clipboard_text(clipboard)) {
// delete the entire selection
if (selbeg >= 0) {
text.erase(m_boxes[selbeg].from,
m_boxes[selend].to - m_boxes[selbeg].from);
m_caret = selbeg;
m_select = -1;
}
// Paste text
recalcCharBoxes(text);
int oldBoxes = m_boxes.size();
text.insert(m_boxes[m_caret].from, clipboard);
// Remove extra chars that do not fit in m_maxsize
recalcCharBoxes(text);
if (lastCaretPos() > m_maxsize) {
text.erase(m_boxes[m_maxsize].from,
text.size() - m_boxes[m_maxsize].from);
recalcCharBoxes(text);
}
int newBoxes = m_boxes.size();
setCaretPos(m_caret+(newBoxes - oldBoxes));
}
break;
}
case EntryCmd::Copy:
if (selbeg >= 0)
set_clipboard_text(selectedText());
break;
case EntryCmd::DeleteBackward:
// delete the entire selection
if (selbeg >= 0) {
text.erase(m_boxes[selbeg].from,
m_boxes[selend].to - m_boxes[selbeg].from);
m_caret = selbeg;
}
// delete the previous character
else {
if (m_caret > 0) {
--m_caret;
text.erase(m_boxes[m_caret].from,
m_boxes[m_caret].to - m_boxes[m_caret].from);
}
}
m_select = -1;
break;
case EntryCmd::DeleteBackwardWord:
m_select = m_caret;
backwardWord();
if (m_caret < m_select) {
text.erase(m_boxes[m_caret].from,
m_boxes[m_select].to - m_boxes[m_caret].from);
}
m_select = -1;
break;
case EntryCmd::DeleteForwardToEndOfLine:
text.erase(m_boxes[m_caret].from);
break;
case EntryCmd::SelectAll:
selectAllText();
break;
}
if (text != this->text()) {
setText(text);
onChange();
}
setCaretPos(m_caret);
invalidate();
}
