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-rw-r--r--scene/gui/label.cpp79
1 files changed, 68 insertions, 11 deletions
diff --git a/scene/gui/label.cpp b/scene/gui/label.cpp
index 0a09d87509..54c4835ccf 100644
--- a/scene/gui/label.cpp
+++ b/scene/gui/label.cpp
@@ -5,8 +5,8 @@
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
-/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
@@ -93,7 +93,7 @@ void Label::_shape() {
int font_size = get_theme_font_size(SNAME("font_size"));
ERR_FAIL_COND(font.is_null());
String text = (uppercase) ? xl_text.to_upper() : xl_text;
- if (visible_chars >= 0) {
+ if (visible_chars >= 0 && visible_chars_behavior == VC_CHARS_BEFORE_SHAPING) {
text = text.substr(0, visible_chars);
}
TS->shaped_text_add_string(text_rid, text, font->get_rids(), font_size, opentype_features, (!language.is_empty()) ? language : TranslationServer::get_singleton()->get_tool_locale());
@@ -316,12 +316,19 @@ void Label::_notification(int p_what) {
}
int last_line = MIN(lines_rid.size(), lines_visible + lines_skipped);
+ bool trim_chars = (visible_chars >= 0) && (visible_chars_behavior == VC_CHARS_AFTER_SHAPING);
+ bool trim_glyphs_ltr = (visible_chars >= 0) && ((visible_chars_behavior == VC_GLYPHS_LTR) || ((visible_chars_behavior == VC_GLYPHS_AUTO) && !rtl_layout));
+ bool trim_glyphs_rtl = (visible_chars >= 0) && ((visible_chars_behavior == VC_GLYPHS_RTL) || ((visible_chars_behavior == VC_GLYPHS_AUTO) && rtl_layout));
// Get real total height.
+ int total_glyphs = 0;
total_h = 0;
for (int64_t i = lines_skipped; i < last_line; i++) {
total_h += TS->shaped_text_get_size(lines_rid[i]).y + font->get_spacing(TextServer::SPACING_TOP) + font->get_spacing(TextServer::SPACING_BOTTOM) + line_spacing;
+ total_glyphs += TS->shaped_text_get_glyph_count(lines_rid[i]) + TS->shaped_text_get_ellipsis_glyph_count(lines_rid[i]);
}
+ int visible_glyphs = total_glyphs * percent_visible;
+ int processed_glyphs = 0;
total_h += style->get_margin(SIDE_TOP) + style->get_margin(SIDE_BOTTOM);
int vbegin = 0, vsep = 0;
@@ -395,14 +402,19 @@ void Label::_notification(int p_what) {
int ellipsis_gl_size = TS->shaped_text_get_ellipsis_glyph_count(lines_rid[i]);
// Draw outline. Note: Do not merge this into the single loop with the main text, to prevent overlaps.
+ int processed_glyphs_ol = processed_glyphs;
if ((outline_size > 0 && font_outline_color.a != 0) || (font_shadow_color.a != 0)) {
Vector2 offset = ofs;
// Draw RTL ellipsis string when necessary.
if (rtl && ellipsis_pos >= 0) {
for (int gl_idx = ellipsis_gl_size - 1; gl_idx >= 0; gl_idx--) {
for (int j = 0; j < ellipsis_glyphs[gl_idx].repeat; j++) {
+ bool skip = (trim_chars && ellipsis_glyphs[gl_idx].end > visible_chars) || (trim_glyphs_ltr && (processed_glyphs_ol >= visible_glyphs)) || (trim_glyphs_rtl && (processed_glyphs_ol < total_glyphs - visible_glyphs));
//Draw glyph outlines and shadow.
- draw_glyph_outline(ellipsis_glyphs[gl_idx], ci, font_color, font_shadow_color, font_outline_color, shadow_outline_size, outline_size, offset, shadow_ofs);
+ if (!skip) {
+ draw_glyph_outline(ellipsis_glyphs[gl_idx], ci, font_color, font_shadow_color, font_outline_color, shadow_outline_size, outline_size, offset, shadow_ofs);
+ }
+ processed_glyphs_ol++;
offset.x += ellipsis_glyphs[gl_idx].advance;
}
}
@@ -423,9 +435,13 @@ void Label::_notification(int p_what) {
}
}
}
+ bool skip = (trim_chars && glyphs[j].end > visible_chars) || (trim_glyphs_ltr && (processed_glyphs_ol >= visible_glyphs)) || (trim_glyphs_rtl && (processed_glyphs_ol < total_glyphs - visible_glyphs));
// Draw glyph outlines and shadow.
- draw_glyph_outline(glyphs[j], ci, font_color, font_shadow_color, font_outline_color, shadow_outline_size, outline_size, offset, shadow_ofs);
+ if (!skip) {
+ draw_glyph_outline(glyphs[j], ci, font_color, font_shadow_color, font_outline_color, shadow_outline_size, outline_size, offset, shadow_ofs);
+ }
+ processed_glyphs_ol++;
offset.x += glyphs[j].advance;
}
}
@@ -433,8 +449,12 @@ void Label::_notification(int p_what) {
if (!rtl && ellipsis_pos >= 0) {
for (int gl_idx = 0; gl_idx < ellipsis_gl_size; gl_idx++) {
for (int j = 0; j < ellipsis_glyphs[gl_idx].repeat; j++) {
+ bool skip = (trim_chars && ellipsis_glyphs[gl_idx].end > visible_chars) || (trim_glyphs_ltr && (processed_glyphs_ol >= visible_glyphs)) || (trim_glyphs_rtl && (processed_glyphs_ol < total_glyphs - visible_glyphs));
//Draw glyph outlines and shadow.
- draw_glyph_outline(ellipsis_glyphs[gl_idx], ci, font_color, font_shadow_color, font_outline_color, shadow_outline_size, outline_size, offset, shadow_ofs);
+ if (!skip) {
+ draw_glyph_outline(ellipsis_glyphs[gl_idx], ci, font_color, font_shadow_color, font_outline_color, shadow_outline_size, outline_size, offset, shadow_ofs);
+ }
+ processed_glyphs_ol++;
offset.x += ellipsis_glyphs[gl_idx].advance;
}
}
@@ -447,8 +467,12 @@ void Label::_notification(int p_what) {
if (rtl && ellipsis_pos >= 0) {
for (int gl_idx = ellipsis_gl_size - 1; gl_idx >= 0; gl_idx--) {
for (int j = 0; j < ellipsis_glyphs[gl_idx].repeat; j++) {
+ bool skip = (trim_chars && ellipsis_glyphs[gl_idx].end > visible_chars) || (trim_glyphs_ltr && (processed_glyphs >= visible_glyphs)) || (trim_glyphs_rtl && (processed_glyphs < total_glyphs - visible_glyphs));
//Draw glyph outlines and shadow.
- draw_glyph(ellipsis_glyphs[gl_idx], ci, font_color, ofs);
+ if (!skip) {
+ draw_glyph(ellipsis_glyphs[gl_idx], ci, font_color, ofs);
+ }
+ processed_glyphs++;
ofs.x += ellipsis_glyphs[gl_idx].advance;
}
}
@@ -469,9 +493,13 @@ void Label::_notification(int p_what) {
}
}
}
+ bool skip = (trim_chars && glyphs[j].end > visible_chars) || (trim_glyphs_ltr && (processed_glyphs >= visible_glyphs)) || (trim_glyphs_rtl && (processed_glyphs < total_glyphs - visible_glyphs));
// Draw glyph outlines and shadow.
- draw_glyph(glyphs[j], ci, font_color, ofs);
+ if (!skip) {
+ draw_glyph(glyphs[j], ci, font_color, ofs);
+ }
+ processed_glyphs++;
ofs.x += glyphs[j].advance;
}
}
@@ -479,8 +507,12 @@ void Label::_notification(int p_what) {
if (!rtl && ellipsis_pos >= 0) {
for (int gl_idx = 0; gl_idx < ellipsis_gl_size; gl_idx++) {
for (int j = 0; j < ellipsis_glyphs[gl_idx].repeat; j++) {
+ bool skip = (trim_chars && ellipsis_glyphs[gl_idx].end > visible_chars) || (trim_glyphs_ltr && (processed_glyphs >= visible_glyphs)) || (trim_glyphs_rtl && (processed_glyphs < total_glyphs - visible_glyphs));
//Draw glyph outlines and shadow.
- draw_glyph(ellipsis_glyphs[gl_idx], ci, font_color, ofs);
+ if (!skip) {
+ draw_glyph(ellipsis_glyphs[gl_idx], ci, font_color, ofs);
+ }
+ processed_glyphs++;
ofs.x += ellipsis_glyphs[gl_idx].advance;
}
}
@@ -702,7 +734,9 @@ void Label::set_visible_characters(int p_amount) {
} else {
percent_visible = 1.0;
}
- dirty = true;
+ if (visible_chars_behavior == VC_CHARS_BEFORE_SHAPING) {
+ dirty = true;
+ }
update();
}
}
@@ -720,7 +754,9 @@ void Label::set_percent_visible(float p_percent) {
visible_chars = get_total_character_count() * p_percent;
percent_visible = p_percent;
}
- dirty = true;
+ if (visible_chars_behavior == VC_CHARS_BEFORE_SHAPING) {
+ dirty = true;
+ }
update();
}
}
@@ -729,6 +765,18 @@ float Label::get_percent_visible() const {
return percent_visible;
}
+Label::VisibleCharactersBehavior Label::get_visible_characters_behavior() const {
+ return visible_chars_behavior;
+}
+
+void Label::set_visible_characters_behavior(Label::VisibleCharactersBehavior p_behavior) {
+ if (visible_chars_behavior != p_behavior) {
+ visible_chars_behavior = p_behavior;
+ dirty = true;
+ update();
+ }
+}
+
void Label::set_lines_skipped(int p_lines) {
ERR_FAIL_COND(p_lines < 0);
lines_skipped = p_lines;
@@ -836,6 +884,8 @@ void Label::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_total_character_count"), &Label::get_total_character_count);
ClassDB::bind_method(D_METHOD("set_visible_characters", "amount"), &Label::set_visible_characters);
ClassDB::bind_method(D_METHOD("get_visible_characters"), &Label::get_visible_characters);
+ ClassDB::bind_method(D_METHOD("get_visible_characters_behavior"), &Label::get_visible_characters_behavior);
+ ClassDB::bind_method(D_METHOD("set_visible_characters_behavior", "behavior"), &Label::set_visible_characters_behavior);
ClassDB::bind_method(D_METHOD("set_percent_visible", "percent_visible"), &Label::set_percent_visible);
ClassDB::bind_method(D_METHOD("get_percent_visible"), &Label::get_percent_visible);
ClassDB::bind_method(D_METHOD("set_lines_skipped", "lines_skipped"), &Label::set_lines_skipped);
@@ -858,6 +908,12 @@ void Label::_bind_methods() {
BIND_ENUM_CONSTANT(OVERRUN_TRIM_ELLIPSIS);
BIND_ENUM_CONSTANT(OVERRUN_TRIM_WORD_ELLIPSIS);
+ BIND_ENUM_CONSTANT(VC_CHARS_BEFORE_SHAPING);
+ BIND_ENUM_CONSTANT(VC_CHARS_AFTER_SHAPING);
+ BIND_ENUM_CONSTANT(VC_GLYPHS_AUTO);
+ BIND_ENUM_CONSTANT(VC_GLYPHS_LTR);
+ BIND_ENUM_CONSTANT(VC_GLYPHS_RTL);
+
ADD_PROPERTY(PropertyInfo(Variant::STRING, "text", PROPERTY_HINT_MULTILINE_TEXT, "", PROPERTY_USAGE_DEFAULT_INTL), "set_text", "get_text");
ADD_GROUP("Locale", "");
ADD_PROPERTY(PropertyInfo(Variant::INT, "text_direction", PROPERTY_HINT_ENUM, "Auto,Left-to-Right,Right-to-Left,Inherited"), "set_text_direction", "get_text_direction");
@@ -869,6 +925,7 @@ void Label::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::INT, "text_overrun_behavior", PROPERTY_HINT_ENUM, "Trim Nothing,Trim Characters,Trim Words,Ellipsis,Word Ellipsis"), "set_text_overrun_behavior", "get_text_overrun_behavior");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "uppercase"), "set_uppercase", "is_uppercase");
ADD_PROPERTY(PropertyInfo(Variant::INT, "visible_characters", PROPERTY_HINT_RANGE, "-1,128000,1"), "set_visible_characters", "get_visible_characters");
+ ADD_PROPERTY(PropertyInfo(Variant::INT, "visible_characters_behavior", PROPERTY_HINT_ENUM, "Characters Before Shaping,Characters After Shaping,Glyphs (Layout Direction),Glyphs (Left-to-Right),Glyphs (Right-to-Left)"), "set_visible_characters_behavior", "get_visible_characters_behavior");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "percent_visible", PROPERTY_HINT_RANGE, "0,1,0.001"), "set_percent_visible", "get_percent_visible");
ADD_PROPERTY(PropertyInfo(Variant::INT, "lines_skipped", PROPERTY_HINT_RANGE, "0,999,1"), "set_lines_skipped", "get_lines_skipped");
ADD_PROPERTY(PropertyInfo(Variant::INT, "max_lines_visible", PROPERTY_HINT_RANGE, "-1,999,1"), "set_max_lines_visible", "get_max_lines_visible");
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-31 21:28:12 +0000