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Option in RichTextLabel for height to fit content

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This commit is contained in:
PouleyKetchoupp 2019-11-01 15:17:40 +01:00
parent d999071edf
commit ad8081216c
3 changed files with 41 additions and 5 deletions
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4
doc/classes/RichTextLabel.xml
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@ -292,6 +292,10 @@
The currently installed custom effects. This is an array of [RichTextEffect]s.
To add a custom effect, it's more convenient to use [method install_effect].
</member>
<member name="fit_content_height" type="bool" setter="set_fit_content_height" getter="is_fit_content_height_enabled" default="false">
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="meta_underlined" type="bool" setter="set_meta_underline" getter="is_meta_underlined" default="true">
If [code]true[/code], the label underlines meta tags such as [code][url]{text}[/url][/code].
</member>

35
scene/gui/rich_text_label.cpp
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@ -1525,6 +1525,10 @@ void RichTextLabel::_validate_line_caches(ItemFrame *p_frame) {
}
updating_scroll = false;
if (fit_content_height) {
minimum_size_changed();
}
}
void RichTextLabel::_invalidate_current_line(ItemFrame *p_frame) {
@ -1940,6 +1944,17 @@ int RichTextLabel::get_tab_size() const {
return tab_size;
}
void RichTextLabel::set_fit_content_height(bool p_enabled) {
if (p_enabled != fit_content_height) {
fit_content_height = p_enabled;
minimum_size_changed();
}
}
bool RichTextLabel::is_fit_content_height_enabled() const {
return fit_content_height;
}
void RichTextLabel::set_meta_underline(bool p_underline) {
underline_meta = p_underline;
update();
@ -2621,7 +2636,7 @@ void RichTextLabel::install_effect(const Variant effect) {
}
}
int RichTextLabel::get_content_height() {
int RichTextLabel::get_content_height() const {
int total_height = 0;
if (main->lines.size()) {
total_height = main->lines[main->lines.size() - 1].height_accum_cache + get_theme_stylebox("normal")->get_minimum_size().height;
@ -2676,6 +2691,9 @@ void RichTextLabel::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_tab_size", "spaces"), &RichTextLabel::set_tab_size);
ClassDB::bind_method(D_METHOD("get_tab_size"), &RichTextLabel::get_tab_size);
ClassDB::bind_method(D_METHOD("set_fit_content_height", "enabled"), &RichTextLabel::set_fit_content_height);
ClassDB::bind_method(D_METHOD("is_fit_content_height_enabled"), &RichTextLabel::is_fit_content_height_enabled);
ClassDB::bind_method(D_METHOD("set_selection_enabled", "enabled"), &RichTextLabel::set_selection_enabled);
ClassDB::bind_method(D_METHOD("is_selection_enabled"), &RichTextLabel::is_selection_enabled);
@ -2718,6 +2736,8 @@ void RichTextLabel::_bind_methods() {
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, "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");
@ -2784,12 +2804,17 @@ void RichTextLabel::set_fixed_size_to_width(int p_width) {
}
Size2 RichTextLabel::get_minimum_size() const {
Size2 size(0, 0);
if (fixed_width != -1) {
const_cast<RichTextLabel *>(this)->_validate_line_caches(main);
return Size2(fixed_width, const_cast<RichTextLabel *>(this)->get_content_height());
size.x = fixed_width;
}
return Size2();
if (fixed_width != -1 || fit_content_height) {
const_cast<RichTextLabel *>(this)->_validate_line_caches(main);
size.y = get_content_height();
}
return size;
}
Ref<RichTextEffect> RichTextLabel::_get_custom_effect_by_code(String p_bbcode_identifier) {
@ -2909,6 +2934,8 @@ RichTextLabel::RichTextLabel() {
visible_line_count = 0;
fixed_width = -1;
fit_content_height = false;
set_clip_contents(true);
}

7
scene/gui/rich_text_label.h
View File

@ -400,6 +400,8 @@ private:
int fixed_width;
bool fit_content_height;
protected:
void _notification(int p_what);
@ -453,13 +455,16 @@ public:
void set_tab_size(int p_spaces);
int get_tab_size() const;
void set_fit_content_height(bool p_enabled);
bool is_fit_content_height_enabled() const;
bool search(const String &p_string, bool p_from_selection = false, bool p_search_previous = false);
void scroll_to_line(int p_line);
int get_line_count() const;
int get_visible_line_count() const;
int get_content_height();
int get_content_height() const;
VScrollBar *get_v_scroll() { return vscroll; }