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path: root/scene/gui/rich_text_label.cpp
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Diffstat (limited to 'scene/gui/rich_text_label.cpp')
-rw-r--r--scene/gui/rich_text_label.cpp152
1 files changed, 122 insertions, 30 deletions
diff --git a/scene/gui/rich_text_label.cpp b/scene/gui/rich_text_label.cpp
index a7419519ae..34114ae7db 100644
--- a/scene/gui/rich_text_label.cpp
+++ b/scene/gui/rich_text_label.cpp
@@ -90,7 +90,7 @@ Rect2 RichTextLabel::_get_text_rect() {
Ref<StyleBox> style = get_stylebox("normal");
return Rect2(style->get_offset(), get_size() - style->get_minimum_size());
}
-int RichTextLabel::_process_line(ItemFrame *p_frame, const Vector2 &p_ofs, int &y, int p_width, int p_line, ProcessMode p_mode, const Ref<Font> &p_base_font, const Color &p_base_color, const Point2i &p_click_pos, Item **r_click_item, int *r_click_char, bool *r_outside, int p_char_count) {
+int RichTextLabel::_process_line(ItemFrame *p_frame, const Vector2 &p_ofs, int &y, int p_width, int p_line, ProcessMode p_mode, const Ref<Font> &p_base_font, const Color &p_base_color, const Color &p_font_color_shadow, bool p_shadow_as_outline, const Point2 &shadow_ofs, const Point2i &p_click_pos, Item **r_click_item, int *r_click_char, bool *r_outside, int p_char_count) {
RID ci;
if (r_outside)
@@ -121,8 +121,11 @@ int RichTextLabel::_process_line(ItemFrame *p_frame, const Vector2 &p_ofs, int &
if (p_mode == PROCESS_CACHE) {
l.offset_caches.clear();
l.height_caches.clear();
+ l.ascent_caches.clear();
+ l.descent_caches.clear();
l.char_count = 0;
l.minimum_width = 0;
+ l.maximum_width = 0;
}
int wofs = margin;
@@ -140,6 +143,8 @@ int RichTextLabel::_process_line(ItemFrame *p_frame, const Vector2 &p_ofs, int &
//line height should be the font height for the first time, this ensures that an empty line will never have zero height and successive newlines are displayed
int line_height = cfont->get_height();
+ int line_ascent = cfont->get_ascent();
+ int line_descent = cfont->get_descent();
int nonblank_line_count = 0; //number of nonblank lines as counted during PROCESS_DRAW
@@ -169,16 +174,22 @@ int RichTextLabel::_process_line(ItemFrame *p_frame, const Vector2 &p_ofs, int &
case ALIGN_FILL: l.offset_caches.push_back((p_width - margin) - used /*+spaces_size*/); break; \
} \
l.height_caches.push_back(line_height); \
+ l.ascent_caches.push_back(line_ascent); \
+ l.descent_caches.push_back(line_descent); \
l.space_caches.push_back(spaces); \
} \
y += line_height + get_constant(SceneStringNames::get_singleton()->line_separation); \
line_height = 0; \
+ line_ascent = 0; \
+ line_descent = 0; \
spaces = 0; \
spaces_size = 0; \
wofs = begin; \
align_ofs = 0; \
if (p_mode != PROCESS_CACHE) { \
lh = line < l.height_caches.size() ? l.height_caches[line] : 1; \
+ line_ascent = line < l.ascent_caches.size() ? l.ascent_caches[line] : 1; \
+ line_descent = line < l.descent_caches.size() ? l.descent_caches[line] : 1; \
} \
if (p_mode == PROCESS_POINTER && r_click_item && p_click_pos.y >= p_ofs.y + y && p_click_pos.y <= p_ofs.y + y + lh && p_click_pos.x < p_ofs.x + wofs) { \
if (r_outside) *r_outside = true; \
@@ -190,7 +201,8 @@ int RichTextLabel::_process_line(ItemFrame *p_frame, const Vector2 &p_ofs, int &
#define ENSURE_WIDTH(m_width) \
if (p_mode == PROCESS_CACHE) { \
- l.minimum_width = MAX(l.minimum_width, wofs + m_width); \
+ l.maximum_width = MAX(l.maximum_width, MIN(p_width, wofs + m_width)); \
+ l.minimum_width = MAX(l.minimum_width, m_width); \
} \
if (wofs + m_width > p_width) { \
if (p_mode == PROCESS_CACHE) { \
@@ -237,6 +249,7 @@ int RichTextLabel::_process_line(ItemFrame *p_frame, const Vector2 &p_ofs, int &
int rchar = 0;
int lh = 0;
bool line_is_blank = true;
+ int fh = 0;
while (it) {
@@ -252,13 +265,16 @@ int RichTextLabel::_process_line(ItemFrame *p_frame, const Vector2 &p_ofs, int &
const CharType *c = text->text.c_str();
const CharType *cf = c;
- int fh = font->get_height();
int ascent = font->get_ascent();
+ int descent = font->get_descent();
+
Color color;
+ Color font_color_shadow;
bool underline = false;
if (p_mode == PROCESS_DRAW) {
color = _find_color(text, p_base_color);
+ font_color_shadow = _find_color(text, p_font_color_shadow);
underline = _find_underline(text);
if (_find_meta(text, &meta)) {
@@ -270,7 +286,6 @@ int RichTextLabel::_process_line(ItemFrame *p_frame, const Vector2 &p_ofs, int &
}
rchar = 0;
-
while (*c) {
int end = 0;
@@ -280,8 +295,9 @@ int RichTextLabel::_process_line(ItemFrame *p_frame, const Vector2 &p_ofs, int &
lh = 0;
if (p_mode != PROCESS_CACHE) {
lh = line < l.height_caches.size() ? l.height_caches[line] : 1;
+ line_ascent = line < l.ascent_caches.size() ? l.ascent_caches[line] : 1;
+ line_descent = line < l.descent_caches.size() ? l.descent_caches[line] : 1;
}
-
while (c[end] != 0 && !(end && c[end - 1] == ' ' && c[end] != ' ')) {
int cw = font->get_char_size(c[end], c[end + 1]).width;
@@ -298,9 +314,13 @@ int RichTextLabel::_process_line(ItemFrame *p_frame, const Vector2 &p_ofs, int &
end++;
}
-
+ CHECK_HEIGHT(fh);
ENSURE_WIDTH(w);
+ line_ascent = MAX(line_ascent, ascent);
+ line_descent = MAX(line_descent, descent);
+ fh = line_ascent + line_descent;
+
if (end && c[end - 1] == ' ') {
if (p_mode == PROCESS_CACHE) {
spaces_size += font->get_char_size(' ').width;
@@ -348,23 +368,37 @@ int RichTextLabel::_process_line(ItemFrame *p_frame, const Vector2 &p_ofs, int &
int cw = 0;
- bool visible = visible_characters < 0 || p_char_count < visible_characters && YRANGE_VISIBLE(y + lh - (fh - 0 * ascent), fh); //getting rid of ascent seems to work??
+ bool visible = visible_characters < 0 || p_char_count < visible_characters && YRANGE_VISIBLE(y + lh - line_descent - line_ascent, line_ascent + line_descent);
if (visible)
line_is_blank = false;
if (c[i] == '\t')
visible = false;
- if (selected) {
+ if (visible) {
+ if (selected) {
+ cw = font->get_char_size(c[i], c[i + 1]).x;
+ draw_rect(Rect2(p_ofs.x + pofs, p_ofs.y + y, cw, lh), selection_bg);
+ }
- cw = font->get_char_size(c[i], c[i + 1]).x;
- draw_rect(Rect2(p_ofs.x + pofs, p_ofs.y + y, cw, lh), selection_bg);
- if (visible)
- font->draw_char(ci, p_ofs + Point2(align_ofs + pofs, y + lh - (fh - ascent)), c[i], c[i + 1], override_selected_font_color ? selection_fg : color);
+ if (p_font_color_shadow.a > 0) {
+ float x_ofs_shadow = align_ofs + pofs;
+ float y_ofs_shadow = y + lh - line_descent;
+ float move = font->draw_char(ci, Point2(x_ofs_shadow, y_ofs_shadow) + shadow_ofs, c[i], c[i + 1], p_font_color_shadow);
+
+ if (p_shadow_as_outline) {
+ font->draw_char(ci, Point2(x_ofs_shadow, y_ofs_shadow) + Vector2(-shadow_ofs.x, shadow_ofs.y), c[i], c[i + 1], p_font_color_shadow);
+ font->draw_char(ci, Point2(x_ofs_shadow, y_ofs_shadow) + Vector2(shadow_ofs.x, -shadow_ofs.y), c[i], c[i + 1], p_font_color_shadow);
+ font->draw_char(ci, Point2(x_ofs_shadow, y_ofs_shadow) + Vector2(-shadow_ofs.x, -shadow_ofs.y), c[i], c[i + 1], p_font_color_shadow);
+ }
+ x_ofs_shadow += move;
+ }
- } else {
- if (visible)
- cw = font->draw_char(ci, p_ofs + Point2(align_ofs + pofs, y + lh - (fh - ascent)), c[i], c[i + 1], color);
+ if (selected) {
+ font->draw_char(ci, p_ofs + Point2(align_ofs + pofs, y + lh - line_descent), c[i], c[i + 1], override_selected_font_color ? selection_fg : color);
+ } else {
+ cw = font->draw_char(ci, p_ofs + Point2(align_ofs + pofs, y + lh - line_descent), c[i], c[i + 1], color);
+ }
}
p_char_count++;
@@ -379,7 +413,7 @@ int RichTextLabel::_process_line(ItemFrame *p_frame, const Vector2 &p_ofs, int &
if (underline) {
Color uc = color;
uc.a *= 0.5;
- int uy = y + lh - fh + ascent + 2;
+ int uy = y + lh - line_descent + 2;
float underline_width = 1.0;
#ifdef TOOLS_ENABLED
underline_width *= EDSCALE;
@@ -443,6 +477,9 @@ int RichTextLabel::_process_line(ItemFrame *p_frame, const Vector2 &p_ofs, int &
int vseparation = get_constant("table_vseparation");
Color ccolor = _find_color(table, p_base_color);
Vector2 draw_ofs = Point2(wofs, y);
+ Color font_color_shadow = get_color("font_color_shadow");
+ bool use_outline = get_constant("shadow_as_outline");
+ Point2 shadow_ofs(get_constant("shadow_offset_x"), get_constant("shadow_offset_y"));
if (p_mode == PROCESS_CACHE) {
@@ -450,6 +487,7 @@ int RichTextLabel::_process_line(ItemFrame *p_frame, const Vector2 &p_ofs, int &
//set minimums to zero
for (int i = 0; i < table->columns.size(); i++) {
table->columns[i].min_width = 0;
+ table->columns[i].max_width = 0;
table->columns[i].width = 0;
}
//compute minimum width for each cell
@@ -465,8 +503,9 @@ int RichTextLabel::_process_line(ItemFrame *p_frame, const Vector2 &p_ofs, int &
for (int i = 0; i < frame->lines.size(); i++) {
- _process_line(frame, Point2(), ly, available_width, i, PROCESS_CACHE, cfont, Color());
+ _process_line(frame, Point2(), ly, available_width, i, PROCESS_CACHE, cfont, Color(), font_color_shadow, use_outline, shadow_ofs);
table->columns[column].min_width = MAX(table->columns[column].min_width, frame->lines[i].minimum_width);
+ table->columns[column].max_width = MAX(table->columns[column].max_width, frame->lines[i].maximum_width);
}
idx++;
}
@@ -479,12 +518,13 @@ int RichTextLabel::_process_line(ItemFrame *p_frame, const Vector2 &p_ofs, int &
for (int i = 0; i < table->columns.size(); i++) {
remaining_width -= table->columns[i].min_width;
+ if (table->columns[i].max_width > table->columns[i].min_width)
+ table->columns[i].expand = true;
if (table->columns[i].expand)
total_ratio += table->columns[i].expand_ratio;
}
//assign actual widths
-
for (int i = 0; i < table->columns.size(); i++) {
table->columns[i].width = table->columns[i].min_width;
if (table->columns[i].expand)
@@ -492,6 +532,39 @@ int RichTextLabel::_process_line(ItemFrame *p_frame, const Vector2 &p_ofs, int &
table->total_width += table->columns[i].width + hseparation;
}
+ //resize to max_width if needed and distribute the remaining space
+ bool table_need_fit = true;
+ while (table_need_fit) {
+ table_need_fit = false;
+ //fit slim
+ for (int i = 0; i < table->columns.size(); i++) {
+ if (!table->columns[i].expand)
+ continue;
+ int dif = table->columns[i].width - table->columns[i].max_width;
+ if (dif > 0) {
+ table_need_fit = true;
+ table->columns[i].width = table->columns[i].max_width;
+ table->total_width -= dif;
+ total_ratio -= table->columns[i].expand_ratio;
+ }
+ }
+ //grow
+ remaining_width = available_width - table->total_width;
+ if (remaining_width > 0 && total_ratio > 0) {
+ for (int i = 0; i < table->columns.size(); i++) {
+ if (table->columns[i].expand) {
+ int dif = table->columns[i].max_width - table->columns[i].width;
+ if (dif > 0) {
+ int slice = table->columns[i].expand_ratio * remaining_width / total_ratio;
+ int incr = MIN(dif, slice);
+ table->columns[i].width += incr;
+ table->total_width += incr;
+ }
+ }
+ }
+ }
+ }
+
//compute caches properly again with the right width
idx = 0;
for (List<Item *>::Element *E = table->subitems.front(); E; E = E->next()) {
@@ -503,7 +576,7 @@ int RichTextLabel::_process_line(ItemFrame *p_frame, const Vector2 &p_ofs, int &
for (int i = 0; i < frame->lines.size(); i++) {
int ly = 0;
- _process_line(frame, Point2(), ly, table->columns[column].width, i, PROCESS_CACHE, cfont, Color());
+ _process_line(frame, Point2(), ly, table->columns[column].width, i, PROCESS_CACHE, cfont, Color(), font_color_shadow, use_outline, shadow_ofs);
frame->lines[i].height_cache = ly; //actual height
frame->lines[i].height_accum_cache = ly; //actual height
}
@@ -536,9 +609,9 @@ int RichTextLabel::_process_line(ItemFrame *p_frame, const Vector2 &p_ofs, int &
if (visible) {
if (p_mode == PROCESS_DRAW) {
- nonblank_line_count += _process_line(frame, p_ofs + offset + draw_ofs + Vector2(0, yofs), ly, table->columns[column].width, i, PROCESS_DRAW, cfont, ccolor);
+ nonblank_line_count += _process_line(frame, p_ofs + offset + draw_ofs + Vector2(0, yofs), ly, table->columns[column].width, i, PROCESS_DRAW, cfont, ccolor, font_color_shadow, use_outline, shadow_ofs);
} else if (p_mode == PROCESS_POINTER) {
- _process_line(frame, p_ofs + offset + draw_ofs + Vector2(0, yofs), ly, table->columns[column].width, i, PROCESS_POINTER, cfont, ccolor, p_click_pos, r_click_item, r_click_char, r_outside);
+ _process_line(frame, p_ofs + offset + draw_ofs + Vector2(0, yofs), ly, table->columns[column].width, i, PROCESS_POINTER, cfont, ccolor, font_color_shadow, use_outline, shadow_ofs, p_click_pos, r_click_item, r_click_char, r_outside);
if (r_click_item && *r_click_item) {
RETURN; // exit early
}
@@ -619,9 +692,7 @@ void RichTextLabel::_scroll_changed(double) {
void RichTextLabel::_update_scroll() {
- int total_height = 0;
- if (main->lines.size())
- total_height = main->lines[main->lines.size() - 1].height_accum_cache + get_stylebox("normal")->get_minimum_size().height;
+ int total_height = get_content_height();
bool exceeds = total_height > get_size().height && scroll_active;
@@ -710,12 +781,18 @@ void RichTextLabel::_notification(int p_what) {
int y = (main->lines[from_line].height_accum_cache - main->lines[from_line].height_cache) - ofs;
Ref<Font> base_font = get_font("normal_font");
Color base_color = get_color("default_color");
+ Color font_color_shadow = get_color("font_color_shadow");
+ bool use_outline = get_constant("shadow_as_outline");
+ Point2 shadow_ofs(get_constant("shadow_offset_x"), get_constant("shadow_offset_y"));
+
+ float x_ofs = 0;
visible_line_count = 0;
while (y < size.height && from_line < main->lines.size()) {
- visible_line_count += _process_line(main, text_rect.get_position(), y, text_rect.get_size().width - scroll_w, from_line, PROCESS_DRAW, base_font, base_color, Point2i(), NULL, NULL, NULL, total_chars);
+ visible_line_count += _process_line(main, text_rect.get_position(), y, text_rect.get_size().width - scroll_w, from_line, PROCESS_DRAW, base_font, base_color, font_color_shadow, use_outline, shadow_ofs, Point2i(), NULL, NULL, NULL, total_chars);
total_chars += main->lines[from_line].char_count;
+
from_line++;
}
}
@@ -730,6 +807,9 @@ void RichTextLabel::_find_click(ItemFrame *p_frame, const Point2i &p_click, Item
Size2 size = get_size();
Rect2 text_rect = _get_text_rect();
int ofs = vscroll->get_value();
+ Color font_color_shadow = get_color("font_color_shadow");
+ bool use_outline = get_constant("shadow_as_outline");
+ Point2 shadow_ofs(get_constant("shadow_offset_x"), get_constant("shadow_offset_y"));
//todo, change to binary search
int from_line = 0;
@@ -750,7 +830,7 @@ void RichTextLabel::_find_click(ItemFrame *p_frame, const Point2i &p_click, Item
while (y < text_rect.get_size().height && from_line < p_frame->lines.size()) {
- _process_line(p_frame, text_rect.get_position(), y, text_rect.get_size().width - scroll_w, from_line, PROCESS_POINTER, base_font, base_color, p_click, r_click_item, r_click_char, r_outside);
+ _process_line(p_frame, text_rect.get_position(), y, text_rect.get_size().width - scroll_w, from_line, PROCESS_POINTER, base_font, base_color, font_color_shadow, use_outline, shadow_ofs, p_click, r_click_item, r_click_char, r_outside);
if (r_click_item && *r_click_item)
return;
from_line++;
@@ -810,9 +890,9 @@ void RichTextLabel::_gui_input(Ref<InputEvent> p_event) {
// Erase previous selection.
if (selection.active) {
selection.from = NULL;
- selection.from_char = NULL;
+ selection.from_char = '\0';
selection.to = NULL;
- selection.to_char = NULL;
+ selection.to_char = '\0';
selection.active = false;
update();
@@ -1125,13 +1205,16 @@ void RichTextLabel::_validate_line_caches(ItemFrame *p_frame) {
//validate invalid lines
Size2 size = get_size();
Rect2 text_rect = _get_text_rect();
+ Color font_color_shadow = get_color("font_color_shadow");
+ bool use_outline = get_constant("shadow_as_outline");
+ Point2 shadow_ofs(get_constant("shadow_offset_x"), get_constant("shadow_offset_y"));
Ref<Font> base_font = get_font("normal_font");
for (int i = p_frame->first_invalid_line; i < p_frame->lines.size(); i++) {
int y = 0;
- _process_line(p_frame, text_rect.get_position(), y, text_rect.get_size().width - scroll_w, i, PROCESS_CACHE, base_font, Color());
+ _process_line(p_frame, text_rect.get_position(), y, text_rect.get_size().width - scroll_w, i, PROCESS_CACHE, base_font, Color(), font_color_shadow, use_outline, shadow_ofs);
p_frame->lines[i].height_cache = y;
p_frame->lines[i].height_accum_cache = y;
@@ -1614,7 +1697,7 @@ Error RichTextLabel::append_bbcode(const String &p_bbcode) {
tag_stack.push_front(tag);
} else if (tag.begins_with("cell=")) {
- int ratio = tag.substr(6, tag.length()).to_int();
+ int ratio = tag.substr(5, tag.length()).to_int();
if (ratio < 1)
ratio = 1;
//use monospace font
@@ -1973,6 +2056,13 @@ float RichTextLabel::get_percent_visible() const {
return percent_visible;
}
+int RichTextLabel::get_content_height() {
+ int total_height = 0;
+ if (main->lines.size())
+ total_height = main->lines[main->lines.size() - 1].height_accum_cache + get_stylebox("normal")->get_minimum_size().height;
+ return total_height;
+}
+
void RichTextLabel::_bind_methods() {
ClassDB::bind_method(D_METHOD("_gui_input"), &RichTextLabel::_gui_input);
@@ -2039,6 +2129,8 @@ void RichTextLabel::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_line_count"), &RichTextLabel::get_line_count);
ClassDB::bind_method(D_METHOD("get_visible_line_count"), &RichTextLabel::get_visible_line_count);
+ ClassDB::bind_method(D_METHOD("get_content_height"), &RichTextLabel::get_content_height);
+
ADD_GROUP("BBCode", "bbcode_");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "bbcode_enabled"), "set_use_bbcode", "is_using_bbcode");
ADD_PROPERTY(PropertyInfo(Variant::STRING, "bbcode_text", PROPERTY_HINT_MULTILINE_TEXT), "set_bbcode", "get_bbcode");
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-12 03:15:34 +0000