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[RTL] Rewrite remove_paragraph code.

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This commit is contained in:
bruvzg 2024-04-10 10:03:37 +03:00
parent 4a0160241f
commit 0adb55423d
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GPG Key ID: 7960FCF39844EC38
2 changed files with 80 additions and 58 deletions
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136
scene/gui/rich_text_label.cpp
View File

@ -3212,33 +3212,6 @@ void RichTextLabel::_add_item(Item *p_item, bool p_enter, bool p_ensure_newline)
queue_redraw();
}
void RichTextLabel::_remove_item(Item *p_item, const int p_line) {
int size = p_item->subitems.size();
if (size == 0) {
p_item->parent->subitems.erase(p_item);
// If a newline was erased, all lines AFTER the newline need to be decremented.
if (p_item->type == ITEM_NEWLINE) {
current_frame->lines.remove_at(p_line);
if (p_line < (int)current_frame->lines.size() && current_frame->lines[p_line].from) {
for (List<Item *>::Element *E = current_frame->lines[p_line].from->E; E; E = E->next()) {
if (E->get()->line > p_line) {
E->get()->line--;
}
}
}
}
} else {
// First, remove all child items for the provided item.
while (p_item->subitems.size()) {
_remove_item(p_item->subitems.front()->get(), p_line);
}
// Then remove the provided item itself.
p_item->parent->subitems.erase(p_item);
}
items.free(p_item->rid);
memdelete(p_item);
}
Size2 RichTextLabel::_get_image_size(const Ref<Texture2D> &p_image, int p_width, int p_height, const Rect2 &p_region) {
Size2 ret;
if (p_width > 0) {
@ -3424,48 +3397,97 @@ void RichTextLabel::add_newline() {
queue_redraw();
}
void RichTextLabel::_remove_frame(HashSet<Item *> &r_erase_list, ItemFrame *p_frame, int p_line, bool p_erase, int p_char_offset, int p_line_offset) {
Line &l = p_frame->lines[p_line];
Item *it_to = (p_line + 1 < (int)p_frame->lines.size()) ? p_frame->lines[p_line + 1].from : nullptr;
if (!p_erase) {
l.char_offset -= p_char_offset;
}
for (Item *it = l.from; it && it != it_to;) {
Item *next_it = _get_next_item(it);
it->line -= p_line_offset;
if (!p_erase) {
while (r_erase_list.has(it->parent)) {
it->E->erase();
it->parent = it->parent->parent;
it->E = it->parent->subitems.push_back(it);
}
}
if (it->type == ITEM_TABLE) {
ItemTable *table = static_cast<ItemTable *>(it);
for (List<Item *>::Element *sub_it = table->subitems.front(); sub_it; sub_it = sub_it->next()) {
ERR_CONTINUE(sub_it->get()->type != ITEM_FRAME); // Children should all be frames.
ItemFrame *frame = static_cast<ItemFrame *>(sub_it->get());
for (int i = 0; i < (int)frame->lines.size(); i++) {
_remove_frame(r_erase_list, frame, i, p_erase, p_char_offset, 0);
}
if (p_erase) {
r_erase_list.insert(frame);
} else {
frame->char_ofs -= p_char_offset;
}
}
}
if (p_erase) {
r_erase_list.insert(it);
} else {
it->char_ofs -= p_char_offset;
}
it = next_it;
}
}
bool RichTextLabel::remove_paragraph(const int p_paragraph) {
_stop_thread();
MutexLock data_lock(data_mutex);
if (p_paragraph >= (int)current_frame->lines.size() || p_paragraph < 0) {
if (p_paragraph >= (int)main->lines.size() || p_paragraph < 0) {
return false;
}
// Remove all subitems with the same line as that provided.
Vector<List<Item *>::Element *> subitem_to_remove;
if (current_frame->lines[p_paragraph].from) {
for (List<Item *>::Element *E = current_frame->lines[p_paragraph].from->E; E; E = E->next()) {
if (E->get()->line == p_paragraph) {
subitem_to_remove.push_back(E);
if (main->lines.size() == 1) {
// Clear all.
main->_clear_children();
current = main;
current_frame = main;
main->lines.clear();
main->lines.resize(1);
current_char_ofs = 0;
} else {
HashSet<Item *> erase_list;
Line &l = main->lines[p_paragraph];
int off = l.char_count;
for (int i = p_paragraph; i < (int)main->lines.size(); i++) {
if (i == p_paragraph) {
_remove_frame(erase_list, main, i, true, off, 0);
} else {
break;
_remove_frame(erase_list, main, i, false, off, 1);
}
}
}
bool had_newline = false;
// Reverse for loop to remove items from the end first.
for (int i = subitem_to_remove.size() - 1; i >= 0; i--) {
List<Item *>::Element *subitem = subitem_to_remove[i];
had_newline = had_newline || subitem->get()->type == ITEM_NEWLINE;
if (subitem->get() == current) {
pop();
for (HashSet<Item *>::Iterator E = erase_list.begin(); E; ++E) {
Item *it = *E;
if (current_frame == it) {
current_frame = main;
}
if (current == it) {
current = main;
}
if (!erase_list.has(it->parent)) {
it->E->erase();
}
items.free(it->rid);
it->subitems.clear();
memdelete(it);
}
_remove_item(subitem->get(), p_paragraph);
main->lines.remove_at(p_paragraph);
current_char_ofs -= off;
}
if (!had_newline) {
current_frame->lines.remove_at(p_paragraph);
}
if (current_frame->lines.is_empty()) {
current_frame->lines.resize(1);
}
if (p_paragraph == 0 && current->subitems.size() > 0) {
main->lines[0].from = main;
}
selection.click_frame = nullptr;
selection.click_item = nullptr;
deselect();
main->first_invalid_line.store(MIN(main->first_invalid_line.load(), p_paragraph));
main->first_resized_line.store(MIN(main->first_resized_line.load(), p_paragraph));
@ -5197,7 +5219,7 @@ void RichTextLabel::scroll_to_paragraph(int p_paragraph) {
}
int RichTextLabel::get_paragraph_count() const {
return current_frame->lines.size();
return main->lines.size();
}
int RichTextLabel::get_visible_paragraph_count() const {

2
scene/gui/rich_text_label.h
View File

@ -485,7 +485,7 @@ private:
_FORCE_INLINE_ float _update_scroll_exceeds(float p_total_height, float p_ctrl_height, float p_width, int p_idx, float p_old_scroll, float p_text_rect_height);
void _add_item(Item *p_item, bool p_enter = false, bool p_ensure_newline = false);
void _remove_item(Item *p_item, const int p_line);
void _remove_frame(HashSet<Item *> &r_erase_list, ItemFrame *p_frame, int p_line, bool p_erase, int p_char_offset, int p_line_offset);
void _texture_changed(RID p_item);