[TextServer] Use dedicated flag for object replacement characters.

(cherry picked from commit d904516e553426dae1fa40566e3fe67f6213e769)

8 files changed, 15 insertions, 10 deletions

diff --git a/doc/classes/TextServer.xml b/doc/classes/TextServer.xml
index 6d71578488..608fef8f37 100644
--- a/doc/classes/TextServer.xml
+++ b/doc/classes/TextServer.xml
@@ -1775,6 +1775,9 @@
 		<constant name="GRAPHEME_IS_SAFE_TO_INSERT_TATWEEL" value="2048" enum="GraphemeFlag" is_bitfield="true">
 			It is safe to insert a U+0640 before this grapheme for elongation.
 		</constant>
+		<constant name="GRAPHEME_IS_EMBEDDED_OBJECT" value="4096" enum="GraphemeFlag" is_bitfield="true">
+			Grapheme is an object replacement character for the embedded object.
+		</constant>
 		<constant name="HINTING_NONE" value="0" enum="Hinting">
 			Disables font hinting (smoother but less crisp).
 		</constant>
diff --git a/modules/text_server_adv/text_server_adv.cpp b/modules/text_server_adv/text_server_adv.cpp
index 3cf6288fef..c1a1d8e048 100644
--- a/modules/text_server_adv/text_server_adv.cpp
+++ b/modules/text_server_adv/text_server_adv.cpp
@@ -5697,7 +5697,7 @@ bool TextServerAdvanced::_shaped_text_shape(const RID &p_shaped) {
 							gl.start = span.start;
 							gl.end = span.end;
 							gl.count = 1;
-							gl.flags = GRAPHEME_IS_VALID | GRAPHEME_IS_VIRTUAL;
+							gl.flags = GRAPHEME_IS_VALID | GRAPHEME_IS_EMBEDDED_OBJECT;
 							if (sd->orientation == ORIENTATION_HORIZONTAL) {
 								gl.advance = sd->objects[span.embedded_key].rect.size.x;
 							} else {
diff --git a/modules/text_server_fb/text_server_fb.cpp b/modules/text_server_fb/text_server_fb.cpp
index 8687726287..eac5ba4a07 100644
--- a/modules/text_server_fb/text_server_fb.cpp
+++ b/modules/text_server_fb/text_server_fb.cpp
@@ -3664,7 +3664,7 @@ bool TextServerFallback::_shaped_text_shape(const RID &p_shaped) {
 			gl.end = span.end;
 			gl.count = 1;
 			gl.index = 0;
-			gl.flags = GRAPHEME_IS_VALID | GRAPHEME_IS_VIRTUAL;
+			gl.flags = GRAPHEME_IS_VALID | GRAPHEME_IS_EMBEDDED_OBJECT;
 			if (sd->orientation == ORIENTATION_HORIZONTAL) {
 				gl.advance = sd->objects[span.embedded_key].rect.size.x;
 			} else {
diff --git a/scene/gui/line_edit.cpp b/scene/gui/line_edit.cpp
index 6b2faf1a40..17cc81c8d3 100644
--- a/scene/gui/line_edit.cpp
+++ b/scene/gui/line_edit.cpp
@@ -952,7 +952,7 @@ void LineEdit::_notification(int p_what) {
 					if (ceil(ofs.x) >= x_ofs && (ofs.x + glyphs[i].advance) <= ofs_max) {
 						if (glyphs[i].font_rid != RID()) {
 							TS->font_draw_glyph(glyphs[i].font_rid, ci, glyphs[i].font_size, ofs + Vector2(glyphs[i].x_off, glyphs[i].y_off), glyphs[i].index, selected ? font_selected_color : font_color);
-						} else if ((glyphs[i].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) {
+						} else if (((glyphs[i].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) && ((glyphs[i].flags & TextServer::GRAPHEME_IS_EMBEDDED_OBJECT) != TextServer::GRAPHEME_IS_EMBEDDED_OBJECT)) {
 							TS->draw_hex_code_box(ci, glyphs[i].font_size, ofs + Vector2(glyphs[i].x_off, glyphs[i].y_off), glyphs[i].index, selected ? font_selected_color : font_color);
 						}
 					}
diff --git a/scene/gui/rich_text_label.cpp b/scene/gui/rich_text_label.cpp
index 849f217b4a..81ef8dee36 100644
--- a/scene/gui/rich_text_label.cpp
+++ b/scene/gui/rich_text_label.cpp
@@ -1323,7 +1323,7 @@ int RichTextLabel::_draw_line(ItemFrame *p_frame, int p_line, const Vector2 &p_o
 					if (!skip) {
 						if (frid != RID()) {
 							TS->font_draw_glyph(frid, ci, glyphs[i].font_size, p_ofs + fx_offset + off, gl, font_color);
-						} else if ((glyphs[i].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) {
+						} else if (((glyphs[i].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) && ((glyphs[i].flags & TextServer::GRAPHEME_IS_EMBEDDED_OBJECT) != TextServer::GRAPHEME_IS_EMBEDDED_OBJECT)) {
 							TS->draw_hex_code_box(ci, glyphs[i].font_size, p_ofs + fx_offset + off, gl, font_color);
 						}
 					}
diff --git a/scene/gui/text_edit.cpp b/scene/gui/text_edit.cpp
index 0560b9f2e4..814af12d60 100644
--- a/scene/gui/text_edit.cpp
+++ b/scene/gui/text_edit.cpp
@@ -1276,7 +1276,7 @@ void TextEdit::_notification(int p_what) {
 								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, gl_color);
 									had_glyphs_drawn = true;
-								} else if ((glyphs[j].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) {
+								} else if (((glyphs[j].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) && ((glyphs[j].flags & TextServer::GRAPHEME_IS_EMBEDDED_OBJECT) != TextServer::GRAPHEME_IS_EMBEDDED_OBJECT)) {
 									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, gl_color);
 									had_glyphs_drawn = true;
 								}
diff --git a/servers/text_server.cpp b/servers/text_server.cpp
index 027109b67d..69ba3dafb2 100644
--- a/servers/text_server.cpp
+++ b/servers/text_server.cpp
@@ -546,6 +546,7 @@ void TextServer::_bind_methods() {
 	BIND_BITFIELD_FLAG(GRAPHEME_IS_UNDERSCORE);
 	BIND_BITFIELD_FLAG(GRAPHEME_IS_CONNECTED);
 	BIND_BITFIELD_FLAG(GRAPHEME_IS_SAFE_TO_INSERT_TATWEEL);
+	BIND_BITFIELD_FLAG(GRAPHEME_IS_EMBEDDED_OBJECT);
 
 	/* Hinting */
 	BIND_ENUM_CONSTANT(HINTING_NONE);
@@ -1448,7 +1449,7 @@ void TextServer::shaped_text_draw(const RID &p_shaped, const RID &p_canvas, cons
 
 			if (glyphs[i].font_rid != RID()) {
 				font_draw_glyph(glyphs[i].font_rid, p_canvas, glyphs[i].font_size, ofs + Vector2(glyphs[i].x_off, glyphs[i].y_off), glyphs[i].index, p_color);
-			} else if (hex_codes && ((glyphs[i].flags & GRAPHEME_IS_VIRTUAL) != GRAPHEME_IS_VIRTUAL)) {
+			} else if (hex_codes && ((glyphs[i].flags & GRAPHEME_IS_VIRTUAL) != GRAPHEME_IS_VIRTUAL) && ((glyphs[i].flags & GRAPHEME_IS_EMBEDDED_OBJECT) != GRAPHEME_IS_EMBEDDED_OBJECT)) {
 				TextServer::draw_hex_code_box(p_canvas, glyphs[i].font_size, ofs + Vector2(glyphs[i].x_off, glyphs[i].y_off), glyphs[i].index, p_color);
 			}
 			if (orientation == ORIENTATION_HORIZONTAL) {
diff --git a/servers/text_server.h b/servers/text_server.h
index 2c6a8af682..7490a48b51 100644
--- a/servers/text_server.h
+++ b/servers/text_server.h
@@ -125,18 +125,19 @@ public:
 	};
 
 	enum GraphemeFlag {
-		GRAPHEME_IS_VALID = 1 << 0, // Glyph is valid.
-		GRAPHEME_IS_RTL = 1 << 1, // Glyph is right-to-left.
-		GRAPHEME_IS_VIRTUAL = 1 << 2, // Glyph is not part of source string (added by fit_to_width function, do not affect caret movement).
+		GRAPHEME_IS_VALID = 1 << 0, // Grapheme is valid.
+		GRAPHEME_IS_RTL = 1 << 1, // Grapheme is right-to-left.
+		GRAPHEME_IS_VIRTUAL = 1 << 2, // Grapheme is not part of source string (added by fit_to_width function, do not affect caret movement).
 		GRAPHEME_IS_SPACE = 1 << 3, // Is whitespace (for justification and word breaks).
 		GRAPHEME_IS_BREAK_HARD = 1 << 4, // Is line break (mandatory break, e.g. "\n").
 		GRAPHEME_IS_BREAK_SOFT = 1 << 5, // Is line break (optional break, e.g. space).
 		GRAPHEME_IS_TAB = 1 << 6, // Is tab or vertical tab.
-		GRAPHEME_IS_ELONGATION = 1 << 7, // Elongation (e.g. kashida), glyph can be duplicated or truncated to fit line to width.
+		GRAPHEME_IS_ELONGATION = 1 << 7, // Elongation (e.g. kashida), grapheme can be duplicated or truncated to fit line to width.
 		GRAPHEME_IS_PUNCTUATION = 1 << 8, // Punctuation, except underscore (can be used as word break, but not line break or justifiction).
 		GRAPHEME_IS_UNDERSCORE = 1 << 9, // Underscore (can be used as word break).
 		GRAPHEME_IS_CONNECTED = 1 << 10, // Connected to previous grapheme.
 		GRAPHEME_IS_SAFE_TO_INSERT_TATWEEL = 1 << 11, // It is safe to insert a U+0640 before this grapheme for elongation.
+		GRAPHEME_IS_EMBEDDED_OBJECT = 1 << 12, // Grapheme is an object replacement character for the embedded object.
 	};
 
 	enum Hinting {