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[RichTextLabel] Add support for tab stops.

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This commit is contained in:
bruvzg
2023-04-24 14:45:45 +03:00
parent 809a982162
commit fb78889904
3 changed files with 37 additions and 6 deletions
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38
scene/gui/rich_text_label.cpp
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@@ -277,7 +277,10 @@ float RichTextLabel::_resize_line(ItemFrame *p_frame, int p_line, const Ref<Font
l.offset.x = _find_margin(l.from, p_base_font, p_base_font_size);
l.text_buf->set_width(p_width - l.offset.x);
if (tab_size > 0) { // Align inline tabs.
PackedFloat32Array tab_stops = _find_tab_stops(l.from);
if (!tab_stops.is_empty()) {
l.text_buf->tab_align(tab_stops);
} else if (tab_size > 0) { // Align inline tabs.
Vector<float> tabs;
tabs.push_back(tab_size * p_base_font->get_char_size(' ', p_base_font_size).width);
l.text_buf->tab_align(tabs);
@@ -481,7 +484,10 @@ float RichTextLabel::_shape_line(ItemFrame *p_frame, int p_line, const Ref<Font>
l.text_buf->set_alignment(_find_alignment(l.from));
l.text_buf->set_direction(_find_direction(l.from));
if (tab_size > 0) { // Align inline tabs.
PackedFloat32Array tab_stops = _find_tab_stops(l.from);
if (!tab_stops.is_empty()) {
l.text_buf->tab_align(tab_stops);
} else if (tab_size > 0) { // Align inline tabs.
Vector<float> tabs;
tabs.push_back(tab_size * p_base_font->get_char_size(' ', p_base_font_size).width);
l.text_buf->tab_align(tabs);
@@ -2468,6 +2474,21 @@ BitField<TextServer::JustificationFlag> RichTextLabel::_find_jst_flags(Item *p_i
return default_jst_flags;
}
PackedFloat32Array RichTextLabel::_find_tab_stops(Item *p_item) {
Item *item = p_item;
while (item) {
if (item->type == ITEM_PARAGRAPH) {
ItemParagraph *p = static_cast<ItemParagraph *>(item);
return p->tab_stops;
}
item = item->parent;
}
return PackedFloat32Array();
}
HorizontalAlignment RichTextLabel::_find_alignment(Item *p_item) {
Item *item = p_item;
@@ -3312,7 +3333,7 @@ void RichTextLabel::push_strikethrough() {
_add_item(item, true);
}
void RichTextLabel::push_paragraph(HorizontalAlignment p_alignment, Control::TextDirection p_direction, const String &p_language, TextServer::StructuredTextParser p_st_parser, BitField<TextServer::JustificationFlag> p_jst_flags) {
void RichTextLabel::push_paragraph(HorizontalAlignment p_alignment, Control::TextDirection p_direction, const String &p_language, TextServer::StructuredTextParser p_st_parser, BitField<TextServer::JustificationFlag> p_jst_flags, const PackedFloat32Array &p_tab_stops) {
_stop_thread();
MutexLock data_lock(data_mutex);
@@ -3324,6 +3345,7 @@ void RichTextLabel::push_paragraph(HorizontalAlignment p_alignment, Control::Tex
item->language = p_language;
item->st_parser = p_st_parser;
item->jst_flags = p_jst_flags;
item->tab_stops = p_tab_stops;
_add_item(item, true, true);
}
@@ -4094,6 +4116,7 @@ void RichTextLabel::append_text(const String &p_bbcode) {
HorizontalAlignment alignment = HORIZONTAL_ALIGNMENT_LEFT;
Control::TextDirection dir = Control::TEXT_DIRECTION_INHERITED;
String lang;
PackedFloat32Array tab_stops;
TextServer::StructuredTextParser st_parser_type = TextServer::STRUCTURED_TEXT_DEFAULT;
BitField<TextServer::JustificationFlag> jst_flags = default_jst_flags;
for (int i = 0; i < subtag.size(); i++) {
@@ -4118,6 +4141,11 @@ void RichTextLabel::append_text(const String &p_bbcode) {
jst_flags.set_flag(TextServer::JUSTIFICATION_DO_NOT_SKIP_SINGLE_LINE);
}
}
} else if (subtag_a[0] == "tab_stops") {
Vector<String> splitters;
splitters.push_back(",");
splitters.push_back(";");
tab_stops = subtag_a[1].split_floats_mk(splitters);
} else if (subtag_a[0] == "align") {
if (subtag_a[1] == "l" || subtag_a[1] == "left") {
alignment = HORIZONTAL_ALIGNMENT_LEFT;
@@ -4157,7 +4185,7 @@ void RichTextLabel::append_text(const String &p_bbcode) {
}
}
}
push_paragraph(alignment, dir, lang, st_parser_type, jst_flags);
push_paragraph(alignment, dir, lang, st_parser_type, jst_flags, tab_stops);
pos = brk_end + 1;
tag_stack.push_front("p");
} else if (tag == "url") {
@@ -5406,7 +5434,7 @@ void RichTextLabel::_bind_methods() {
ClassDB::bind_method(D_METHOD("push_color", "color"), &RichTextLabel::push_color);
ClassDB::bind_method(D_METHOD("push_outline_size", "outline_size"), &RichTextLabel::push_outline_size);
ClassDB::bind_method(D_METHOD("push_outline_color", "color"), &RichTextLabel::push_outline_color);
ClassDB::bind_method(D_METHOD("push_paragraph", "alignment", "base_direction", "language", "st_parser", "justification_flags"), &RichTextLabel::push_paragraph, DEFVAL(TextServer::DIRECTION_AUTO), DEFVAL(""), DEFVAL(TextServer::STRUCTURED_TEXT_DEFAULT), DEFVAL(TextServer::JUSTIFICATION_WORD_BOUND | TextServer::JUSTIFICATION_KASHIDA | TextServer::JUSTIFICATION_SKIP_LAST_LINE | TextServer::JUSTIFICATION_DO_NOT_SKIP_SINGLE_LINE));
ClassDB::bind_method(D_METHOD("push_paragraph", "alignment", "base_direction", "language", "st_parser", "justification_flags", "tab_stops"), &RichTextLabel::push_paragraph, DEFVAL(TextServer::DIRECTION_AUTO), DEFVAL(""), DEFVAL(TextServer::STRUCTURED_TEXT_DEFAULT), DEFVAL(TextServer::JUSTIFICATION_WORD_BOUND | TextServer::JUSTIFICATION_KASHIDA | TextServer::JUSTIFICATION_SKIP_LAST_LINE | TextServer::JUSTIFICATION_DO_NOT_SKIP_SINGLE_LINE), DEFVAL(PackedFloat32Array()));
ClassDB::bind_method(D_METHOD("push_indent", "level"), &RichTextLabel::push_indent);
ClassDB::bind_method(D_METHOD("push_list", "level", "type", "capitalize", "bullet"), &RichTextLabel::push_list, DEFVAL(String::utf8("•")));
ClassDB::bind_method(D_METHOD("push_meta", "data"), &RichTextLabel::push_meta);