void Block::insertAtPos(int pos, const QString &text, const TextStyle &style, bool only_latin)
{
m_changed = true;
m_only_latin = m_only_latin && only_latin;
m_text_line.insert(pos,text);
bool found = false;
for (int i = 0; i < m_style_list.size(); i++) {
TextStyleLine ¤t_style = m_style_list[i];
if (found) {
current_style.start_index += text.size();
current_style.end_index += text.size();
current_style.index_dirty = true;
if (current_style.start_index >= m_text_line.size()) {
current_style.releaseTextSegment(m_screen);
m_style_list.remove(i);
i--;
} else if (current_style.end_index >= m_text_line.size()) {
current_style.end_index = m_text_line.size()-1;
}
} else if (pos >= current_style.start_index && pos <= current_style.end_index) {
found = true;
if (current_style.start_index == pos) {
current_style.start_index += text.size();
current_style.end_index += text.size();
current_style.index_dirty = true;
m_style_list.insert(i, TextStyleLine(style, pos, pos+ text.size() - 1));
i++;
} else if (current_style.end_index == pos) {
current_style.end_index--;
current_style.text_dirty = true;
m_style_list.insert(i+1, TextStyleLine(style, pos, pos+ text.size() - 1));
i++;
} else {
int old_end = current_style.end_index;
current_style.end_index = pos -1;
current_style.text_dirty = true;
m_style_list.insert(i+1, TextStyleLine(style, pos, pos + text.size() - 1));
if (pos + text.size() < m_text_line.size()) {
int segment_end = std::min(m_text_line.size() -1, old_end + text.size());
m_style_list.insert(i+2, TextStyleLine(current_style, pos + text.size(), segment_end));
i+=2;
} else {
i++;
}
}
}
}
}
void Line::clearToEndOfLine(int index)
{
m_changed = true;
QString empty(m_text_line.size() - index, QChar(' '));
m_text_line.replace(index, m_text_line.size()-index,empty);
bool found = false;
for (int i = 0; i < m_style_list.size(); i++) {
const TextStyleLine current_style = m_style_list.at(i);
if (found) {
if (current_style.text_segment)
releaseTextSegment(current_style.text_segment);
m_style_list.remove(i);
i--;
} else {
if (index <= current_style.end_index) {
found = true;
if (current_style.start_index == index) {
if (current_style.text_segment)
releaseTextSegment(current_style.text_segment);
m_style_list.remove(i);
i--;
} else {
m_style_list[i].changed = true;
}
}
}
}
if (m_style_list.size() && m_style_list.last().isCompatible(m_screen->defaultTextStyle())) {
m_style_list.last().end_index = m_text_line.size() -1;
} else {
m_style_list.append(TextStyleLine(m_screen->defaultTextStyle(),index, m_text_line.size() -1));
}
}
void Block::deleteCharacters(int from, int to)
{
m_changed = true;
int removed = 0;
const int size = (to + 1) - from;
bool found = false;
int last_index = -1;
for (int i = 0; i < m_style_list.size(); i++) {
TextStyleLine ¤t_style = m_style_list[i];
last_index = i;
if (found) {
current_style.start_index -= removed;
current_style.end_index -= removed;
current_style.index_dirty = true;
if (removed != size) {
int current_style_size = current_style.end_index + 1 - current_style.start_index;
if (current_style_size <= size - removed) {
removed += current_style.end_index + 1 - current_style.start_index;
current_style.releaseTextSegment(m_screen);
m_style_list.remove(i);
i--;
} else {
current_style.end_index -= size - removed;
removed = size;
}
}
} else {
if (current_style.start_index <= from && current_style.end_index >= from) {
found = true;
int left_in_style = (current_style.end_index + 1) - from;
int subtract = std::min(left_in_style, size);
current_style.end_index -= subtract;
current_style.text_dirty = true;
removed = subtract;
if (current_style.end_index < current_style.start_index) {
current_style.releaseTextSegment(m_screen);
m_style_list.remove(i);
i--;
}
}
}
}
if (last_index >= 0) {
TextStyleLine &last_modified = m_style_list[last_index];
TextStyle defaultStyle = m_screen->defaultTextStyle();
if (last_modified.isCompatible(defaultStyle)) {
last_modified.end_index += size;
last_modified.text_dirty = true;
} else {
m_style_list.insert(last_index + 1, TextStyleLine(defaultStyle,
last_modified.end_index + 1, last_modified.end_index + size));
}
}
m_text_line.remove(from, size);
}
void Block::moveLinesFromBlock(Block *block, int start_line, int count)
{
Q_ASSERT(block);
Q_ASSERT(block->lineCount() >= start_line + count);
int start_char = block->width() * start_line;
int end_char = (block->width() * (start_line + count)) - 1;
for (int i = 0; i < block->m_style_list.size(); i++) {
TextStyleLine ¤t_style = block->m_style_list[i];
if (current_style.start_index >= start_char && current_style.end_index <= end_char) {
current_style.start_index += (-start_char + m_text_line.size());
current_style.end_index += (-start_char + m_text_line.size());
current_style.releaseTextSegment(m_screen);
m_style_list.append(TextStyleLine(current_style, current_style.start_index,
current_style.end_index));
block->m_style_list.remove(i);
i--;
} else if (current_style.start_index > end_char) {
current_style.start_index -= (end_char + 1) - start_char;
current_style.end_index -= (end_char + 1) - start_char;
current_style.index_dirty = true;
current_style.text_dirty = true;
}
}
m_text_line.append(block->m_text_line.mid(start_char, (end_char + 1) - start_char));
block->m_text_line.remove(start_char, (end_char + 1) - start_char);
m_changed = true;
block->m_changed = true;
}
Block *Block::takeLine(int line)
{
if (line >= lineCount())
return nullptr;
m_changed = true;
Block *to_return = new Block(m_screen);
int start_index = line * m_width;
int end_index = start_index + (m_width - 1);
for (int i = 0; i < m_style_list.size(); i++) {
ensureStyleAlignWithLines(i);
TextStyleLine ¤t_style = m_style_list[i];
if (current_style.start_index >= start_index && current_style.end_index <= end_index) {
current_style.releaseTextSegment(m_screen);
current_style.start_index -= start_index;
current_style.end_index -= start_index;
current_style.index_dirty = true;
to_return->m_style_list.append(TextStyleLine(current_style, current_style.start_index,
current_style.end_index));
m_style_list.remove(i);
i--;
} else if (current_style.start_index > end_index) {
current_style.start_index -= (end_index + 1) - start_index;
current_style.end_index -= (end_index + 1) - start_index;
current_style.index_dirty = true;
current_style.text_dirty = true;
}
}
to_return->m_text_line = m_text_line.mid(start_index, m_width);
m_text_line.remove(start_index, m_width);
return to_return;
}
void Block::ensureStyleAlignWithLines(int i)
{
int start_line = m_style_list[i].start_index / m_width;
int end_line = m_style_list[i].end_index / m_width;
if (start_line != end_line) {
int remainder_start_line = ((m_width * (start_line + 1))-1) - m_style_list[i].start_index;
int next_line_end_index = m_style_list[i].end_index;
m_style_list[i].end_index = m_style_list[i].start_index + remainder_start_line;
m_style_list.insert(i + 1, TextStyleLine(m_style_list[i], m_style_list[i].end_index + 1, next_line_end_index));
}
}
void Line::clear()
{
m_text_line.fill(QChar(' '));
for (int i = 0; i < m_style_list.size(); i++) {
if (m_style_list.at(i).text_segment)
releaseTextSegment(m_style_list.at(i).text_segment);
}
m_style_list.clear();
m_style_list.append(TextStyleLine(m_screen->defaultTextStyle(),0,m_text_line.size() -1));
m_changed = true;
}
void Line::insertAtPos(int pos, const QString &text, const TextStyle &style)
{
Q_ASSERT(pos + text.size() <= m_text_line.size());
m_changed = true;
m_text_line.replace(pos,text.size(),text);
bool found = false;
for (int i = 0;i < m_style_list.size(); i++) {
const TextStyleLine current_style = m_style_list.at(i);
if (found) {
if (current_style.end_index <= pos + text.size()) {
if (current_style.text_segment)
releaseTextSegment(current_style.text_segment);
m_style_list.remove(i);
i--;
} else if (current_style.start_index <= pos + text.size()) {
m_style_list[i].start_index = pos + text.size();
m_style_list[i].changed = true;
} else {
break;
}
} else if (pos <= current_style.end_index) {
found = true;
if (pos + text.size() <= current_style.end_index) {
if (current_style.isCompatible(style)) {
m_style_list[i].changed = true;
} else {
if (current_style.start_index == pos && current_style.end_index == pos + text.size()) {
m_style_list[i].setStyle(style);
} else if (current_style.start_index == pos) {
m_style_list[i].start_index = pos + text.size();
m_style_list.insert(i, TextStyleLine(style,pos, pos+text.size()-1));
} else if (current_style.end_index == pos + text.size()) {
m_style_list[i].end_index = pos -1;
m_style_list.insert(i+1, TextStyleLine(style,pos, pos+text.size() - 1));
} else {
m_style_list[i].end_index = pos -1;
m_style_list.insert(i+1, TextStyleLine(style,pos, pos+text.size() -1 ));
m_style_list.insert(i+2, TextStyleLine(current_style,pos + text.size(), current_style.end_index));
}
}
break;
} else {
if (current_style.isCompatible(style)) {
m_style_list[i].end_index = pos + text.size() - 1;
m_style_list[i].changed = true;
} else {
if (current_style.start_index == pos) {
m_style_list[i].end_index = pos + text.size() - 1;
m_style_list[i].changed = true;
m_style_list[i].style = style.style;
m_style_list[i].foreground = style.foreground;
m_style_list[i].background = style.background;
} else {
m_style_list[i].end_index = pos - 1;
m_style_list[i].changed = true;
m_style_list.insert(i+1, TextStyleLine(style, pos, pos + text.size() -1));
i++;
}
}
}
}
}
}
void Block::replaceAtPos(int pos, const QString &text, const TextStyle &style, bool only_latin)
{
m_changed = true;
m_only_latin = m_only_latin && only_latin;
if (pos >= m_text_line.size()) {
if (pos > m_text_line.size()) {
int old_size = m_text_line.size();
QString filling(pos - m_text_line.size(), QChar(' '));
m_text_line.append(filling);
m_style_list.append(TextStyleLine(m_screen->defaultTextStyle(), old_size, old_size + filling.size() -1));
}
m_text_line.append(text);
m_style_list.append(TextStyleLine(style, pos, pos + text.size()-1));
return;
} else if (pos + text.size() > m_text_line.size()) {
m_style_list.append(TextStyleLine(m_screen->defaultTextStyle(), pos + text.size() - m_text_line.size(), pos + text.size() -1));
}
m_text_line.replace(pos,text.size(),text);
bool found = false;
for (int i = 0; i < m_style_list.size(); i++) {
TextStyleLine ¤t_style = m_style_list[i];
if (found) {
if (current_style.end_index <= pos + text.size() - 1) {
current_style.releaseTextSegment(m_screen);
m_style_list.remove(i);
i--;
} else if (current_style.start_index <= pos + text.size()) {
current_style.start_index = pos + text.size();
current_style.style_dirty = true;
current_style.text_dirty = true;
current_style.index_dirty = true;
} else {
break;
}
} else if (pos >= current_style.start_index && pos <= current_style.end_index) {
found = true;
if (pos + text.size() -1 <= current_style.end_index) {
if (current_style.isCompatible(style)) {
current_style.text_dirty = true;
} else {
if (current_style.start_index == pos && current_style.end_index == pos + text.size() - 1) {
current_style.setStyle(style);
current_style.text_dirty = true;
current_style.style_dirty = true;
} else if (current_style.start_index == pos) {
current_style.start_index = pos + text.size();
current_style.text_dirty = true;
m_style_list.insert(i, TextStyleLine(style,pos, pos+text.size() -1));
} else if (current_style.end_index == pos + text.size() - 1) {
current_style.end_index = pos - 1;
current_style.text_dirty = true;
m_style_list.insert(i+1, TextStyleLine(style,pos, pos + text.size() - 1));
} else {
int old_end = current_style.end_index;
current_style.end_index = pos - 1;
current_style.text_dirty = true;
m_style_list.insert(i+1, TextStyleLine(style,pos, pos + text.size() - 1));
if (pos + text.size() < m_text_line.size()) {
m_style_list.insert(i+2, TextStyleLine(current_style,pos + text.size(), old_end));
}
}
}
break;
} else {
if (current_style.isCompatible(style)) {
current_style.end_index = pos + text.size() - 1;
current_style.text_dirty = true;
} else {
if (current_style.start_index == pos) {
if (i > 0 && m_style_list.at(i-1).isCompatible(style)) {
TextStyleLine &previous_style = m_style_list[i -1];
previous_style.end_index+= text.size();
previous_style.text_dirty = true;
current_style.releaseTextSegment(m_screen);
m_style_list.remove(i);
i--;
} else {
current_style.end_index = pos + text.size() - 1;
current_style.style = style.style;
current_style.forground = style.forground;
current_style.background = style.background;
current_style.text_dirty = true;
current_style.style_dirty = true;
current_style.index_dirty = true;
}
} else {
current_style.end_index = pos - 1;
current_style.text_dirty = true;
m_style_list.insert(i+1, TextStyleLine(style, pos, pos + text.size() -1));
i++;
}
}
}
}
}
}