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-rw-r--r--scene/gui/text_edit.cpp80
1 files changed, 76 insertions, 4 deletions
diff --git a/scene/gui/text_edit.cpp b/scene/gui/text_edit.cpp
index 74268707ff..ad1790f61d 100644
--- a/scene/gui/text_edit.cpp
+++ b/scene/gui/text_edit.cpp
@@ -608,7 +608,7 @@ void TextEdit::_notification(int p_what) {
int draw_amount = visible_rows + (smooth_scroll_enabled ? 1 : 0);
draw_amount += get_line_wrap_count(first_visible_line + 1);
- // minimap
+ // Draw minimap.
if (draw_minimap) {
int minimap_visible_lines = get_minimap_visible_lines();
int minimap_line_height = (minimap_char_size.y + minimap_line_spacing);
@@ -788,8 +788,9 @@ void TextEdit::_notification(int p_what) {
bottom_limit_y -= style_normal->get_margin(SIDE_BOTTOM);
}
- // draw main text
+ // Draw main text.
caret.visible = false;
+ line_drawing_cache.clear();
int row_height = get_line_height();
int line = first_visible_line;
for (int i = 0; i < draw_amount; i++) {
@@ -810,6 +811,8 @@ void TextEdit::_notification(int p_what) {
continue;
}
+ LineDrawingCache cache_entry;
+
Dictionary color_map = _get_line_syntax_highlighting(line);
// Ensure we at least use the font color.
@@ -899,6 +902,8 @@ void TextEdit::_notification(int p_what) {
if (line_wrap_index == 0) {
// Only do these if we are on the first wrapped part of a line.
+ cache_entry.y_offset = ofs_y;
+
int gutter_offset = style_normal->get_margin(SIDE_LEFT);
for (int g = 0; g < gutters.size(); g++) {
const GutterInfo gutter = gutters[g];
@@ -1076,6 +1081,10 @@ void TextEdit::_notification(int p_what) {
int gl_size = TS->shaped_text_get_glyph_count(rid);
ofs_y += ldata->get_line_ascent(line_wrap_index);
+
+ int first_visible_char = TS->shaped_text_get_range(rid).y;
+ int last_visible_char = TS->shaped_text_get_range(rid).x;
+
int char_ofs = 0;
if (outline_size > 0 && outline_color.a > 0) {
for (int j = 0; j < gl_size; j++) {
@@ -1143,21 +1152,36 @@ void TextEdit::_notification(int p_what) {
}
}
+ bool had_glyphs_drawn = false;
for (int k = 0; k < glyphs[j].repeat; k++) {
if (!clipped && (char_ofs + char_margin) >= xmargin_beg && (char_ofs + glyphs[j].advance + char_margin) <= xmargin_end) {
if (glyphs[j].font_rid != RID()) {
TS->font_draw_glyph(glyphs[j].font_rid, ci, glyphs[j].font_size, Vector2(char_margin + char_ofs + ofs_x + glyphs[j].x_off, ofs_y + glyphs[j].y_off), glyphs[j].index, current_color);
+ had_glyphs_drawn = true;
} else if ((glyphs[j].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) {
TS->draw_hex_code_box(ci, glyphs[j].font_size, Vector2(char_margin + char_ofs + ofs_x + glyphs[j].x_off, ofs_y + glyphs[j].y_off), glyphs[j].index, current_color);
+ had_glyphs_drawn = true;
}
}
char_ofs += glyphs[j].advance;
}
+
+ if (had_glyphs_drawn) {
+ if (first_visible_char > glyphs[j].start) {
+ first_visible_char = glyphs[j].start;
+ } else if (last_visible_char < glyphs[j].end) {
+ last_visible_char = glyphs[j].end;
+ }
+ }
+
if ((char_ofs + char_margin) >= xmargin_end) {
break;
}
}
+ cache_entry.first_visible_chars.push_back(first_visible_char);
+ cache_entry.last_visible_chars.push_back(last_visible_char);
+
// is_line_folded
if (line_wrap_index == line_wrap_amount && line < text.size() - 1 && _is_line_hidden(line + 1)) {
int xofs = char_ofs + char_margin + ofs_x + (folded_eol_icon->get_width() / 2);
@@ -1308,6 +1332,8 @@ void TextEdit::_notification(int p_what) {
}
}
}
+
+ line_drawing_cache[line] = cache_entry;
}
if (has_focus()) {
@@ -3457,6 +3483,49 @@ Point2i TextEdit::get_line_column_at_pos(const Point2i &p_pos, bool p_allow_out_
return Point2i(col, row);
}
+Point2i TextEdit::get_pos_at_line_column(int p_line, int p_column) const {
+ Rect2i rect = get_rect_at_line_column(p_line, p_column);
+ return rect.position + Vector2i(0, get_line_height());
+}
+
+Rect2i TextEdit::get_rect_at_line_column(int p_line, int p_column) const {
+ ERR_FAIL_INDEX_V(p_line, text.size(), Rect2i(-1, -1, 0, 0));
+ ERR_FAIL_COND_V(p_column < 0, Rect2i(-1, -1, 0, 0));
+ ERR_FAIL_COND_V(p_column > text[p_line].length(), Rect2i(-1, -1, 0, 0));
+
+ if (line_drawing_cache.size() == 0 || !line_drawing_cache.has(p_line)) {
+ // Line is not in the cache, which means it's outside of the viewing area.
+ return Rect2i(-1, -1, 0, 0);
+ }
+ LineDrawingCache cache_entry = line_drawing_cache[p_line];
+
+ int wrap_index = get_line_wrap_index_at_column(p_line, p_column);
+ if (wrap_index >= cache_entry.first_visible_chars.size()) {
+ // Line seems to be wrapped beyond the viewable area.
+ return Rect2i(-1, -1, 0, 0);
+ }
+
+ int first_visible_char = cache_entry.first_visible_chars[wrap_index];
+ int last_visible_char = cache_entry.last_visible_chars[wrap_index];
+ if (p_column < first_visible_char || p_column > last_visible_char) {
+ // Character is outside of the viewing area, no point calculating its position.
+ return Rect2i(-1, -1, 0, 0);
+ }
+
+ Point2i pos, size;
+ pos.y = cache_entry.y_offset + get_line_height() * wrap_index;
+ pos.x = get_total_gutter_width() + style_normal->get_margin(SIDE_LEFT) - get_h_scroll();
+
+ RID text_rid = text.get_line_data(p_line)->get_line_rid(wrap_index);
+ Vector2 col_bounds = TS->shaped_text_get_grapheme_bounds(text_rid, p_column);
+ pos.x += col_bounds.x;
+ size.x = col_bounds.y - col_bounds.x;
+
+ size.y = get_line_height();
+
+ return Rect2i(pos, size);
+}
+
int TextEdit::get_minimap_line_at_pos(const Point2i &p_pos) const {
float rows = p_pos.y;
rows -= style_normal->get_margin(SIDE_TOP);
@@ -3897,7 +3966,7 @@ void TextEdit::delete_selection() {
update();
}
-/* line wrapping. */
+/* Line wrapping. */
void TextEdit::set_line_wrapping_mode(LineWrappingMode p_wrapping_mode) {
if (line_wrapping_mode != p_wrapping_mode) {
line_wrapping_mode = p_wrapping_mode;
@@ -4701,6 +4770,9 @@ void TextEdit::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_word_at_pos", "position"), &TextEdit::get_word_at_pos);
ClassDB::bind_method(D_METHOD("get_line_column_at_pos", "position", "allow_out_of_bounds"), &TextEdit::get_line_column_at_pos, DEFVAL(true));
+ ClassDB::bind_method(D_METHOD("get_pos_at_line_column", "line", "column"), &TextEdit::get_pos_at_line_column);
+ ClassDB::bind_method(D_METHOD("get_rect_at_line_column", "line", "column"), &TextEdit::get_rect_at_line_column);
+
ClassDB::bind_method(D_METHOD("get_minimap_line_at_pos", "position"), &TextEdit::get_minimap_line_at_pos);
ClassDB::bind_method(D_METHOD("is_dragging_cursor"), &TextEdit::is_dragging_cursor);
@@ -4778,7 +4850,7 @@ void TextEdit::_bind_methods() {
ClassDB::bind_method(D_METHOD("deselect"), &TextEdit::deselect);
ClassDB::bind_method(D_METHOD("delete_selection"), &TextEdit::delete_selection);
- /* line wrapping. */
+ /* Line wrapping. */
BIND_ENUM_CONSTANT(LINE_WRAPPING_NONE);
BIND_ENUM_CONSTANT(LINE_WRAPPING_BOUNDARY);
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-14 08:58:18 +0000