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Add RichTextLabel "hint" tag.

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bruvzg 2022-02-21 19:34:16 +02:00
parent c55aa03c43
commit 7385c3602d
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6 changed files with 181 additions and 10 deletions
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11
doc/classes/CanvasItem.xml
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@ -80,6 +80,17 @@
Draws a colored polygon of any amount of points, convex or concave. Unlike [method draw_polygon], a single color must be specified for the whole polygon.
</description>
</method>
<method name="draw_dashed_line">
<return type="void" />
<argument index="0" name="from" type="Vector2" />
<argument index="1" name="to" type="Vector2" />
<argument index="2" name="color" type="Color" />
<argument index="3" name="width" type="float" default="1.0" />
<argument index="4" name="dash" type="float" default="2.0" />
<description>
Draws a dashed line from a 2D point to another, with a given color and width. See also [method draw_multiline] and [method draw_polyline].
</description>
</method>
<method name="draw_end_animation">
<return type="void" />
<description>

16
doc/classes/RichTextLabel.xml
View File

@ -256,6 +256,13 @@
Adds a [code][font_size][/code] tag to the tag stack. Overrides default font size for its duration.
</description>
</method>
<method name="push_hint">
<return type="void" />
<argument index="0" name="description" type="String" />
<description>
Adds a [code][hint][/code] tag to the tag stack. Same as BBCode [code][hint=something]{text}[/hint][/code].
</description>
</method>
<method name="push_indent">
<return type="void" />
<argument index="0" name="level" type="int" />
@ -423,6 +430,9 @@
If [code]true[/code], the label's height will be automatically updated to fit its content.
[b]Note:[/b] This property is used as a workaround to fix issues with [RichTextLabel] in [Container]s, but it's unreliable in some cases and will be removed in future versions.
</member>
<member name="hint_underlined" type="bool" setter="set_hint_underline" getter="is_hint_underlined" default="true">
If [code]true[/code], the label underlines hint tags such as [code][hint=description]{text}[/hint][/code].
</member>
<member name="language" type="String" setter="set_language" getter="get_language" default="&quot;&quot;">
Language code used for line-breaking and text shaping algorithms, if left empty current locale is used instead.
</member>
@ -563,9 +573,11 @@
</constant>
<constant name="ITEM_META" value="23" enum="ItemType">
</constant>
<constant name="ITEM_DROPCAP" value="24" enum="ItemType">
<constant name="ITEM_HINT" value="24" enum="ItemType">
</constant>
<constant name="ITEM_CUSTOMFX" value="25" enum="ItemType">
<constant name="ITEM_DROPCAP" value="25" enum="ItemType">
</constant>
<constant name="ITEM_CUSTOMFX" value="26" enum="ItemType">
</constant>
<constant name="VC_CHARS_BEFORE_SHAPING" value="0" enum="VisibleCharactersBehavior">
Trims text before the shaping. e.g, increasing [member visible_characters] value is visually identical to typing the text.

130
scene/gui/rich_text_label.cpp
View File

@ -699,7 +699,6 @@ int RichTextLabel::_draw_line(ItemFrame *p_frame, int p_line, const Vector2 &p_o
Item *it_from = l.from;
Item *it_to = (p_line + 1 < p_frame->lines.size()) ? p_frame->lines[p_line + 1].from : nullptr;
Variant meta;
if (it_from == nullptr) {
return 0;
@ -1067,23 +1066,60 @@ int RichTextLabel::_draw_line(ItemFrame *p_frame, int p_line, const Vector2 &p_o
}
}
Vector2 ul_start;
bool ul_started = false;
Color ul_color;
Vector2 dot_ul_start;
bool dot_ul_started = false;
Color dot_ul_color;
Vector2 st_start;
bool st_started = false;
Color st_color;
for (int i = 0; i < gl_size; i++) {
bool selected = selection.active && (sel_start != -1) && (glyphs[i].start >= sel_start) && (glyphs[i].end <= sel_end);
Item *it = _get_item_at_pos(it_from, it_to, glyphs[i].start);
Color font_color = _find_color(it, p_base_color);
if (_find_underline(it) || (_find_meta(it, &meta) && underline_meta)) {
Color uc = font_color;
uc.a *= 0.5;
if (_find_underline(it) || (_find_meta(it, nullptr) && underline_meta)) {
if (!ul_started) {
ul_started = true;
ul_start = p_ofs + Vector2(off.x, off.y);
ul_color = font_color;
ul_color.a *= 0.5;
}
} else if (ul_started) {
ul_started = false;
float y_off = TS->shaped_text_get_underline_position(rid);
float underline_width = TS->shaped_text_get_underline_thickness(rid) * get_theme_default_base_scale();
draw_line(p_ofs + Vector2(off.x, off.y + y_off), p_ofs + Vector2(off.x + glyphs[i].advance * glyphs[i].repeat, off.y + y_off), uc, underline_width);
draw_line(ul_start + Vector2(0, y_off), p_ofs + Vector2(off.x, off.y + y_off), ul_color, underline_width);
}
if (_find_hint(it, nullptr) && underline_hint) {
if (!dot_ul_started) {
dot_ul_started = true;
dot_ul_start = p_ofs + Vector2(off.x, off.y);
dot_ul_color = font_color;
dot_ul_color.a *= 0.5;
}
} else if (dot_ul_started) {
dot_ul_started = false;
float y_off = TS->shaped_text_get_underline_position(rid);
float underline_width = TS->shaped_text_get_underline_thickness(rid) * get_theme_default_base_scale();
draw_dashed_line(dot_ul_start + Vector2(0, y_off), p_ofs + Vector2(off.x, off.y + y_off), dot_ul_color, underline_width, underline_width * 2);
}
if (_find_strikethrough(it)) {
Color uc = font_color;
uc.a *= 0.5;
if (!st_started) {
st_started = true;
st_start = p_ofs + Vector2(off.x, off.y);
st_color = font_color;
st_color.a *= 0.5;
}
} else if (st_started) {
st_started = false;
float y_off = -TS->shaped_text_get_ascent(rid) + TS->shaped_text_get_size(rid).y / 2;
float underline_width = TS->shaped_text_get_underline_thickness(rid) * get_theme_default_base_scale();
draw_line(p_ofs + Vector2(off.x, off.y + y_off), p_ofs + Vector2(off.x + glyphs[i].advance * glyphs[i].repeat, off.y + y_off), uc, underline_width);
draw_line(st_start + Vector2(0, y_off), p_ofs + Vector2(off.x, off.y + y_off), st_color, underline_width);
}
// Get FX.
@ -1219,6 +1255,24 @@ int RichTextLabel::_draw_line(ItemFrame *p_frame, int p_line, const Vector2 &p_o
off.x += glyphs[i].advance;
}
}
if (ul_started) {
ul_started = false;
float y_off = TS->shaped_text_get_underline_position(rid);
float underline_width = TS->shaped_text_get_underline_thickness(rid) * get_theme_default_base_scale();
draw_line(ul_start + Vector2(0, y_off), p_ofs + Vector2(off.x, off.y + y_off), ul_color, underline_width);
}
if (dot_ul_started) {
dot_ul_started = false;
float y_off = TS->shaped_text_get_underline_position(rid);
float underline_width = TS->shaped_text_get_underline_thickness(rid) * get_theme_default_base_scale();
draw_dashed_line(dot_ul_start + Vector2(0, y_off), p_ofs + Vector2(off.x, off.y + y_off), dot_ul_color, underline_width, underline_width * 2);
}
if (st_started) {
st_started = false;
float y_off = -TS->shaped_text_get_ascent(rid) + TS->shaped_text_get_size(rid).y / 2;
float underline_width = TS->shaped_text_get_underline_thickness(rid) * get_theme_default_base_scale();
draw_line(st_start + Vector2(0, y_off), p_ofs + Vector2(off.x, off.y + y_off), st_color, underline_width);
}
// Draw foreground color box
_draw_fbg_boxes(ci, rid, fbg_line_off, it_from, it_to, chr_range.x, chr_range.y, 1);
@ -1904,6 +1958,20 @@ void RichTextLabel::gui_input(const Ref<InputEvent> &p_event) {
}
}
String RichTextLabel::get_tooltip(const Point2 &p_pos) const {
Item *c_item = nullptr;
bool outside;
const_cast<RichTextLabel *>(this)->_find_click(main, p_pos, nullptr, nullptr, &c_item, nullptr, &outside);
String description;
if (c_item && !outside && const_cast<RichTextLabel *>(this)->_find_hint(c_item, &description)) {
return description;
} else {
return Control::get_tooltip(p_pos);
}
}
void RichTextLabel::_find_frame(Item *p_item, ItemFrame **r_frame, int *r_line) {
if (r_frame != nullptr) {
*r_frame = nullptr;
@ -2241,6 +2309,24 @@ bool RichTextLabel::_find_meta(Item *p_item, Variant *r_meta, ItemMeta **r_item)
return false;
}
bool RichTextLabel::_find_hint(Item *p_item, String *r_description) {
Item *item = p_item;
while (item) {
if (item->type == ITEM_HINT) {
ItemHint *hint = static_cast<ItemHint *>(item);
if (r_description) {
*r_description = hint->description;
}
return true;
}
item = item->parent;
}
return false;
}
Color RichTextLabel::_find_bgcolor(Item *p_item) {
Item *item = p_item;
@ -2733,6 +2819,14 @@ void RichTextLabel::push_meta(const Variant &p_meta) {
_add_item(item, true);
}
void RichTextLabel::push_hint(const String &p_string) {
ERR_FAIL_COND(current->type == ITEM_TABLE);
ItemHint *item = memnew(ItemHint);
item->description = p_string;
_add_item(item, true);
}
void RichTextLabel::push_table(int p_columns, InlineAlignment p_alignment) {
ERR_FAIL_COND(p_columns < 1);
ItemTable *item = memnew(ItemTable);
@ -2927,6 +3021,15 @@ bool RichTextLabel::is_meta_underlined() const {
return underline_meta;
}
void RichTextLabel::set_hint_underline(bool p_underline) {
underline_hint = p_underline;
update();
}
bool RichTextLabel::is_hint_underlined() const {
return underline_hint;
}
void RichTextLabel::set_override_selected_font_color(bool p_override_selected_font_color) {
override_selected_font_color = p_override_selected_font_color;
}
@ -3360,6 +3463,11 @@ void RichTextLabel::append_text(const String &p_bbcode) {
push_meta(url);
pos = brk_end + 1;
tag_stack.push_front("url");
} else if (tag.begins_with("hint=")) {
String description = tag.substr(5, tag.length());
push_hint(description);
pos = brk_end + 1;
tag_stack.push_front("hint");
} else if (tag.begins_with("dropcap")) {
Vector<String> subtag = tag.substr(5, tag.length()).split(" ");
Ref<Font> f = get_theme_font(SNAME("normal_font"));
@ -4280,6 +4388,7 @@ void RichTextLabel::_bind_methods() {
ClassDB::bind_method(D_METHOD("push_indent", "level"), &RichTextLabel::push_indent);
ClassDB::bind_method(D_METHOD("push_list", "level", "type", "capitalize"), &RichTextLabel::push_list);
ClassDB::bind_method(D_METHOD("push_meta", "data"), &RichTextLabel::push_meta);
ClassDB::bind_method(D_METHOD("push_hint", "description"), &RichTextLabel::push_hint);
ClassDB::bind_method(D_METHOD("push_underline"), &RichTextLabel::push_underline);
ClassDB::bind_method(D_METHOD("push_strikethrough"), &RichTextLabel::push_strikethrough);
ClassDB::bind_method(D_METHOD("push_table", "columns", "inline_align"), &RichTextLabel::push_table, DEFVAL(INLINE_ALIGNMENT_TOP));
@ -4311,6 +4420,9 @@ void RichTextLabel::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_meta_underline", "enable"), &RichTextLabel::set_meta_underline);
ClassDB::bind_method(D_METHOD("is_meta_underlined"), &RichTextLabel::is_meta_underlined);
ClassDB::bind_method(D_METHOD("set_hint_underline", "enable"), &RichTextLabel::set_hint_underline);
ClassDB::bind_method(D_METHOD("is_hint_underlined"), &RichTextLabel::is_hint_underlined);
ClassDB::bind_method(D_METHOD("set_override_selected_font_color", "override"), &RichTextLabel::set_override_selected_font_color);
ClassDB::bind_method(D_METHOD("is_overriding_selected_font_color"), &RichTextLabel::is_overriding_selected_font_color);
@ -4394,6 +4506,7 @@ void RichTextLabel::_bind_methods() {
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::BOOL, "hint_underlined"), "set_hint_underline", "is_hint_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.
@ -4447,6 +4560,7 @@ void RichTextLabel::_bind_methods() {
BIND_ENUM_CONSTANT(ITEM_BGCOLOR);
BIND_ENUM_CONSTANT(ITEM_FGCOLOR);
BIND_ENUM_CONSTANT(ITEM_META);
BIND_ENUM_CONSTANT(ITEM_HINT);
BIND_ENUM_CONSTANT(ITEM_DROPCAP);
BIND_ENUM_CONSTANT(ITEM_CUSTOMFX);

13
scene/gui/rich_text_label.h
View File

@ -78,6 +78,7 @@ public:
ITEM_BGCOLOR,
ITEM_FGCOLOR,
ITEM_META,
ITEM_HINT,
ITEM_DROPCAP,
ITEM_CUSTOMFX
};
@ -218,6 +219,11 @@ private:
ItemMeta() { type = ITEM_META; }
};
struct ItemHint : public Item {
String description;
ItemHint() { type = ITEM_HINT; }
};
struct ItemParagraph : public Item {
HorizontalAlignment alignment = HORIZONTAL_ALIGNMENT_LEFT;
String language;
@ -369,6 +375,7 @@ private:
int tab_size = 4;
bool underline_meta = true;
bool underline_hint = true;
bool override_selected_font_color = false;
HorizontalAlignment default_alignment = HORIZONTAL_ALIGNMENT_LEFT;
@ -452,6 +459,7 @@ private:
bool _find_underline(Item *p_item);
bool _find_strikethrough(Item *p_item);
bool _find_meta(Item *p_item, Variant *r_meta, ItemMeta **r_item = nullptr);
bool _find_hint(Item *p_item, String *r_description);
Color _find_bgcolor(Item *p_item);
Color _find_fgcolor(Item *p_item);
bool _find_layout_subitem(Item *from, Item *to);
@ -462,6 +470,7 @@ private:
void _scroll_changed(double);
virtual void gui_input(const Ref<InputEvent> &p_event) override;
virtual String get_tooltip(const Point2 &p_pos) const override;
Item *_get_next_item(Item *p_item, bool p_free = false) const;
Item *_get_prev_item(Item *p_item, bool p_free = false) const;
@ -505,6 +514,7 @@ public:
void push_indent(int p_level);
void push_list(int p_level, ListType p_list, bool p_capitalize);
void push_meta(const Variant &p_meta);
void push_hint(const String &p_string);
void push_table(int p_columns, InlineAlignment p_alignment = INLINE_ALIGNMENT_TOP);
void push_fade(int p_start_index, int p_length);
void push_shake(int p_strength, float p_rate);
@ -530,6 +540,9 @@ public:
void set_meta_underline(bool p_underline);
bool is_meta_underlined() const;
void set_hint_underline(bool p_underline);
bool is_hint_underlined() const;
void set_override_selected_font_color(bool p_override_selected_font_color);
bool is_overriding_selected_font_color() const;

20
scene/main/canvas_item.cpp
View File

@ -443,6 +443,25 @@ void CanvasItem::item_rect_changed(bool p_size_changed) {
emit_signal(SceneStringNames::get_singleton()->item_rect_changed);
}
void CanvasItem::draw_dashed_line(const Point2 &p_from, const Point2 &p_to, const Color &p_color, real_t p_width, real_t p_dash) {
ERR_FAIL_COND_MSG(!drawing, "Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
float length = (p_to - p_from).length();
if (length < p_dash) {
RenderingServer::get_singleton()->canvas_item_add_line(canvas_item, p_from, p_to, p_color, p_width);
return;
}
Point2 off = p_from;
Vector2 step = p_dash * (p_to - p_from).normalized();
int steps = length / p_dash / 2;
for (int i = 0; i < steps; i++) {
RenderingServer::get_singleton()->canvas_item_add_line(canvas_item, off, (off + step), p_color, p_width);
off += 2 * step;
}
RenderingServer::get_singleton()->canvas_item_add_line(canvas_item, off, p_to, p_color, p_width);
}
void CanvasItem::draw_line(const Point2 &p_from, const Point2 &p_to, const Color &p_color, real_t p_width) {
ERR_FAIL_COND_MSG(!drawing, "Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
@ -868,6 +887,7 @@ void CanvasItem::_bind_methods() {
//ClassDB::bind_method(D_METHOD("get_transform"),&CanvasItem::get_transform);
ClassDB::bind_method(D_METHOD("draw_line", "from", "to", "color", "width"), &CanvasItem::draw_line, DEFVAL(1.0));
ClassDB::bind_method(D_METHOD("draw_dashed_line", "from", "to", "color", "width", "dash"), &CanvasItem::draw_dashed_line, DEFVAL(1.0), DEFVAL(2.0));
ClassDB::bind_method(D_METHOD("draw_polyline", "points", "color", "width", "antialiased"), &CanvasItem::draw_polyline, DEFVAL(1.0), DEFVAL(false));
ClassDB::bind_method(D_METHOD("draw_polyline_colors", "points", "colors", "width", "antialiased"), &CanvasItem::draw_polyline_colors, DEFVAL(1.0), DEFVAL(false));
ClassDB::bind_method(D_METHOD("draw_arc", "center", "radius", "start_angle", "end_angle", "point_count", "color", "width", "antialiased"), &CanvasItem::draw_arc, DEFVAL(1.0), DEFVAL(false));

1
scene/main/canvas_item.h
View File

@ -216,6 +216,7 @@ public:
/* DRAWING API */
void draw_dashed_line(const Point2 &p_from, const Point2 &p_to, const Color &p_color, real_t p_width = 1.0, real_t p_dash = 2.0);
void draw_line(const Point2 &p_from, const Point2 &p_to, const Color &p_color, real_t p_width = 1.0);
void draw_polyline(const Vector<Point2> &p_points, const Color &p_color, real_t p_width = 1.0, bool p_antialiased = false);
void draw_polyline_colors(const Vector<Point2> &p_points, const Vector<Color> &p_colors, real_t p_width = 1.0, bool p_antialiased = false);