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Diffstat (limited to 'scene/gui/rich_text_label.cpp')
-rw-r--r--scene/gui/rich_text_label.cpp178
1 files changed, 150 insertions, 28 deletions
diff --git a/scene/gui/rich_text_label.cpp b/scene/gui/rich_text_label.cpp
index 4865b9770e..dd07831b83 100644
--- a/scene/gui/rich_text_label.cpp
+++ b/scene/gui/rich_text_label.cpp
@@ -33,6 +33,7 @@
#include "core/math/math_defs.h"
#include "core/os/keyboard.h"
#include "core/os/os.h"
+#include "label.h"
#include "scene/scene_string_names.h"
#include "servers/display_server.h"
@@ -513,7 +514,7 @@ void RichTextLabel::_shape_line(ItemFrame *p_frame, int p_line, const Ref<Font>
} break;
case ITEM_IMAGE: {
ItemImage *img = (ItemImage *)it;
- l.text_buf->add_object((uint64_t)it, img->image->get_size(), img->inline_align, 1);
+ l.text_buf->add_object((uint64_t)it, img->size, img->inline_align, 1);
text += String::chr(0xfffc);
l.char_count++;
remaining_characters--;
@@ -1501,15 +1502,17 @@ void RichTextLabel::_notification(int p_what) {
update();
}
} break;
+
case NOTIFICATION_RESIZED: {
main->first_resized_line = 0; //invalidate ALL
update();
-
} break;
+
case NOTIFICATION_THEME_CHANGED: {
main->first_invalid_font_line = 0; //invalidate ALL
update();
} break;
+
case NOTIFICATION_ENTER_TREE: {
if (!text.is_empty()) {
set_text(text);
@@ -1518,11 +1521,13 @@ void RichTextLabel::_notification(int p_what) {
main->first_invalid_line = 0; //invalidate ALL
update();
} break;
+
case NOTIFICATION_LAYOUT_DIRECTION_CHANGED:
case NOTIFICATION_TRANSLATION_CHANGED: {
main->first_invalid_line = 0; //invalidate ALL
update();
} break;
+
case NOTIFICATION_DRAW: {
_validate_line_caches(main);
_update_scroll();
@@ -1577,6 +1582,7 @@ void RichTextLabel::_notification(int p_what) {
from_line++;
}
} break;
+
case NOTIFICATION_INTERNAL_PROCESS: {
if (is_visible_in_tree()) {
double dt = get_process_delta_time();
@@ -1584,12 +1590,17 @@ void RichTextLabel::_notification(int p_what) {
update();
}
} break;
+
case NOTIFICATION_FOCUS_EXIT: {
if (deselect_on_focus_loss_enabled) {
selection.active = false;
update();
}
} break;
+
+ case NOTIFICATION_DRAG_END: {
+ selection.drag_attempt = false;
+ } break;
}
}
@@ -1650,6 +1661,8 @@ void RichTextLabel::gui_input(const Ref<InputEvent> &p_event) {
int c_index = 0;
bool outside;
+ selection.drag_attempt = false;
+
_find_click(main, b->get_position(), &c_frame, &c_line, &c_item, &c_index, &outside);
if (c_item != nullptr) {
if (selection.enabled) {
@@ -1660,17 +1673,22 @@ void RichTextLabel::gui_input(const Ref<InputEvent> &p_event) {
// Erase previous selection.
if (selection.active) {
- selection.from_frame = nullptr;
- selection.from_line = 0;
- selection.from_item = nullptr;
- selection.from_char = 0;
- selection.to_frame = nullptr;
- selection.to_line = 0;
- selection.to_item = nullptr;
- selection.to_char = 0;
- selection.active = false;
-
- update();
+ if (_is_click_inside_selection()) {
+ selection.drag_attempt = true;
+ selection.click_item = nullptr;
+ } else {
+ selection.from_frame = nullptr;
+ selection.from_line = 0;
+ selection.from_item = nullptr;
+ selection.from_char = 0;
+ selection.to_frame = nullptr;
+ selection.to_line = 0;
+ selection.to_item = nullptr;
+ selection.to_char = 0;
+ selection.active = false;
+
+ update();
+ }
}
}
}
@@ -1683,6 +1701,8 @@ void RichTextLabel::gui_input(const Ref<InputEvent> &p_event) {
int c_index = 0;
bool outside;
+ selection.drag_attempt = false;
+
_find_click(main, b->get_position(), &c_frame, &c_line, &c_item, &c_index, &outside);
if (c_frame) {
@@ -1714,6 +1734,22 @@ void RichTextLabel::gui_input(const Ref<InputEvent> &p_event) {
DisplayServer::get_singleton()->clipboard_set_primary(get_selected_text());
}
selection.click_item = nullptr;
+ if (selection.drag_attempt) {
+ selection.drag_attempt = false;
+ if (_is_click_inside_selection()) {
+ selection.from_frame = nullptr;
+ selection.from_line = 0;
+ selection.from_item = nullptr;
+ selection.from_char = 0;
+ selection.to_frame = nullptr;
+ selection.to_line = 0;
+ selection.to_item = nullptr;
+ selection.to_char = 0;
+ selection.active = false;
+
+ update();
+ }
+ }
if (!b->is_double_click() && !scroll_updated) {
Item *c_item = nullptr;
@@ -3689,7 +3725,7 @@ void RichTextLabel::scroll_to_line(int p_line) {
if ((line_count <= p_line) && (line_count + main->lines[i].text_buf->get_line_count() >= p_line)) {
float line_offset = 0.f;
for (int j = 0; j < p_line - line_count; j++) {
- line_offset += main->lines[i].text_buf->get_line_size(j).y;
+ line_offset += main->lines[i].text_buf->get_line_size(j).y + get_theme_constant(SNAME("line_separation"));
}
vscroll->set_value(main->lines[i].offset.y + line_offset);
return;
@@ -3698,6 +3734,28 @@ void RichTextLabel::scroll_to_line(int p_line) {
}
}
+float RichTextLabel::get_line_offset(int p_line) {
+ int line_count = 0;
+ for (int i = 0; i < main->lines.size(); i++) {
+ if ((line_count <= p_line) && (p_line <= line_count + main->lines[i].text_buf->get_line_count())) {
+ float line_offset = 0.f;
+ for (int j = 0; j < p_line - line_count; j++) {
+ line_offset += main->lines[i].text_buf->get_line_size(j).y + get_theme_constant(SNAME("line_separation"));
+ }
+ return main->lines[i].offset.y + line_offset;
+ }
+ line_count += main->lines[i].text_buf->get_line_count();
+ }
+ return 0;
+}
+
+float RichTextLabel::get_paragraph_offset(int p_paragraph) {
+ if (0 <= p_paragraph && p_paragraph < main->lines.size()) {
+ return main->lines[p_paragraph].offset.y;
+ }
+ return 0;
+}
+
int RichTextLabel::get_line_count() const {
int line_count = 0;
for (int i = 0; i < main->lines.size(); i++) {
@@ -3734,6 +3792,29 @@ void RichTextLabel::set_deselect_on_focus_loss_enabled(const bool p_enabled) {
}
}
+Variant RichTextLabel::get_drag_data(const Point2 &p_point) {
+ if (selection.drag_attempt && selection.enabled) {
+ String t = get_selected_text();
+ Label *l = memnew(Label);
+ l->set_text(t);
+ set_drag_preview(l);
+ return t;
+ }
+
+ return Variant();
+}
+
+bool RichTextLabel::_is_click_inside_selection() const {
+ if (selection.active && selection.enabled && selection.click_frame && selection.from_frame && selection.to_frame) {
+ const Line &l_click = selection.click_frame->lines[selection.click_line];
+ const Line &l_from = selection.from_frame->lines[selection.from_line];
+ const Line &l_to = selection.to_frame->lines[selection.to_line];
+ return (l_click.char_offset + selection.click_char >= l_from.char_offset + selection.from_char) && (l_click.char_offset + selection.click_char <= l_to.char_offset + selection.to_char);
+ } else {
+ return false;
+ }
+}
+
bool RichTextLabel::_search_table(ItemTable *p_table, List<Item *>::Element *p_from, const String &p_string, bool p_reverse_search) {
List<Item *>::Element *E = p_from;
while (E != nullptr) {
@@ -3992,7 +4073,7 @@ int RichTextLabel::get_selection_to() const {
void RichTextLabel::set_text(const String &p_bbcode) {
text = p_bbcode;
- if (is_inside_tree() && use_bbcode) {
+ if (use_bbcode) {
parse_bbcode(p_bbcode);
} else { // raw text
clear();
@@ -4157,6 +4238,14 @@ int RichTextLabel::get_content_height() const {
return total_height;
}
+int RichTextLabel::get_content_width() const {
+ int total_width = 0;
+ for (int i = 0; i < main->lines.size(); i++) {
+ total_width = MAX(total_width, main->lines[i].offset.x + main->lines[i].text_buf->get_size().x);
+ }
+ return total_width;
+}
+
#ifndef DISABLE_DEPRECATED
// People will be very angry, if their texts get erased, because of #39148. (3.x -> 4.0)
// Although some people may not used bbcode_text, so we only overwrite, if bbcode_text is not empty.
@@ -4267,6 +4356,8 @@ void RichTextLabel::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_percent_visible", "percent_visible"), &RichTextLabel::set_percent_visible);
ClassDB::bind_method(D_METHOD("get_percent_visible"), &RichTextLabel::get_percent_visible);
+ ClassDB::bind_method(D_METHOD("get_character_line", "character"), &RichTextLabel::get_character_line);
+ ClassDB::bind_method(D_METHOD("get_character_paragraph", "character"), &RichTextLabel::get_character_paragraph);
ClassDB::bind_method(D_METHOD("get_total_character_count"), &RichTextLabel::get_total_character_count);
ClassDB::bind_method(D_METHOD("set_use_bbcode", "enable"), &RichTextLabel::set_use_bbcode);
@@ -4279,6 +4370,10 @@ void RichTextLabel::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_visible_paragraph_count"), &RichTextLabel::get_visible_paragraph_count);
ClassDB::bind_method(D_METHOD("get_content_height"), &RichTextLabel::get_content_height);
+ ClassDB::bind_method(D_METHOD("get_content_width"), &RichTextLabel::get_content_width);
+
+ ClassDB::bind_method(D_METHOD("get_line_offset", "line"), &RichTextLabel::get_line_offset);
+ ClassDB::bind_method(D_METHOD("get_paragraph_offset", "paragraph"), &RichTextLabel::get_paragraph_offset);
ClassDB::bind_method(D_METHOD("parse_expressions_for_values", "expressions"), &RichTextLabel::parse_expressions_for_values);
@@ -4286,33 +4381,30 @@ void RichTextLabel::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_effects"), &RichTextLabel::get_effects);
ClassDB::bind_method(D_METHOD("install_effect", "effect"), &RichTextLabel::install_effect);
- ADD_PROPERTY(PropertyInfo(Variant::INT, "visible_characters", PROPERTY_HINT_RANGE, "-1,128000,1"), "set_visible_characters", "get_visible_characters");
- 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, "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");
+ // Note: set "bbcode_enabled" first, to avoid unnecessery "text" resets.
+ ADD_PROPERTY(PropertyInfo(Variant::BOOL, "bbcode_enabled"), "set_use_bbcode", "is_using_bbcode");
- ADD_PROPERTY(PropertyInfo(Variant::BOOL, "meta_underlined"), "set_meta_underline", "is_meta_underlined");
ADD_PROPERTY(PropertyInfo(Variant::INT, "tab_size", PROPERTY_HINT_RANGE, "0,24,1"), "set_tab_size", "get_tab_size");
ADD_PROPERTY(PropertyInfo(Variant::STRING, "text", PROPERTY_HINT_MULTILINE_TEXT), "set_text", "get_text");
- ADD_PROPERTY(PropertyInfo(Variant::BOOL, "bbcode_enabled"), "set_use_bbcode", "is_using_bbcode");
-
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "fit_content_height"), "set_fit_content_height", "is_fit_content_height_enabled");
-
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "scroll_active"), "set_scroll_active", "is_scroll_active");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "scroll_following"), "set_scroll_follow", "is_scroll_following");
-
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "selection_enabled"), "set_selection_enabled", "is_selection_enabled");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "override_selected_font_color"), "set_override_selected_font_color", "is_overriding_selected_font_color");
-
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "deselect_on_focus_loss_enabled"), "set_deselect_on_focus_loss_enabled", "is_deselect_on_focus_loss_enabled");
-
ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "custom_effects", PROPERTY_HINT_ARRAY_TYPE, vformat("%s/%s:%s", Variant::OBJECT, PROPERTY_HINT_RESOURCE_TYPE, "RichTextEffect"), (PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_SCRIPT_VARIABLE)), "set_effects", "get_effects");
+ ADD_PROPERTY(PropertyInfo(Variant::BOOL, "meta_underlined"), "set_meta_underline", "is_meta_underlined");
+ ADD_PROPERTY(PropertyInfo(Variant::INT, "autowrap_mode", PROPERTY_HINT_ENUM, "Off,Arbitrary,Word,Word (Smart)"), "set_autowrap_mode", "get_autowrap_mode");
+
+ // Note: "visible_characters" and "percent_visible" should be set after "text" to be correctly applied.
+ 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_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");
ADD_PROPERTY(PropertyInfo(Variant::STRING, "language", PROPERTY_HINT_LOCALE_ID, ""), "set_language", "get_language");
- ADD_PROPERTY(PropertyInfo(Variant::INT, "autowrap_mode", PROPERTY_HINT_ENUM, "Off,Arbitrary,Word,Word (Smart)"), "set_autowrap_mode", "get_autowrap_mode");
-
ADD_GROUP("Structured Text", "structured_text_");
ADD_PROPERTY(PropertyInfo(Variant::INT, "structured_text_bidi_override", PROPERTY_HINT_ENUM, "Default,URI,File,Email,List,None,Custom"), "set_structured_text_bidi_override", "get_structured_text_bidi_override");
ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "structured_text_bidi_override_options"), "set_structured_text_bidi_override_options", "get_structured_text_bidi_override_options");
@@ -4401,6 +4493,36 @@ int RichTextLabel::get_visible_characters() const {
return visible_characters;
}
+int RichTextLabel::get_character_line(int p_char) {
+ int line_count = 0;
+ for (int i = 0; i < main->lines.size(); i++) {
+ if (main->lines[i].char_offset < p_char && p_char <= main->lines[i].char_offset + main->lines[i].char_count) {
+ for (int j = 0; j < main->lines[i].text_buf->get_line_count(); j++) {
+ Vector2i range = main->lines[i].text_buf->get_line_range(j);
+ if (main->lines[i].char_offset + range.x < p_char && p_char <= main->lines[i].char_offset + range.y) {
+ return line_count;
+ }
+ line_count++;
+ }
+ } else {
+ line_count += main->lines[i].text_buf->get_line_count();
+ }
+ }
+ return -1;
+}
+
+int RichTextLabel::get_character_paragraph(int p_char) {
+ int para_count = 0;
+ for (int i = 0; i < main->lines.size(); i++) {
+ if (main->lines[i].char_offset < p_char && p_char <= main->lines[i].char_offset + main->lines[i].char_count) {
+ return para_count;
+ } else {
+ para_count++;
+ }
+ }
+ return -1;
+}
+
int RichTextLabel::get_total_character_count() const {
// Note: Do not use line buffer "char_count", it includes only visible characters.
int tc = 0;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 11:07:07 +0000