rewrote string layout

This commit is contained in:
Alessandro Mauri 2025-10-13 23:55:41 +02:00
parent 5dfbad2399
commit e3c0bac9ca
6 changed files with 454 additions and 310 deletions

View File

@ -1,7 +1,6 @@
module ugui; module ugui;
import schrift; import schrift;
import grapheme;
import std::collections::map; import std::collections::map;
import std::core::mem; import std::core::mem;
import std::core::mem::allocator; import std::core::mem::allocator;
@ -16,22 +15,6 @@ import std::ascii;
// unicode code point, different type for a different hash // unicode code point, different type for a different hash
alias Codepoint = uint; alias Codepoint = uint;
<*
@require str.ptr != null: "string pointer must be non null"
@param [in] str
@param [&inout] off
*>
fn Codepoint str_to_codepoint(char[] str, usz* off)
{
Codepoint cp;
isz b = grapheme::decode_utf8(str, str.len, (uint*)&cp);
if (b == 0 || b > str.len) {
return 0;
}
*off = b;
return cp;
}
//macro uint Codepoint.hash(self) => ((uint)self).hash(); //macro uint Codepoint.hash(self) => ((uint)self).hash();
// ---------------------------------------------------------------------------------- // // ---------------------------------------------------------------------------------- //
@ -236,285 +219,3 @@ fn Atlas*? Ctx.get_font_atlas(&ctx, String name)
<* @param [&in] font *> <* @param [&in] font *>
fn int Font.line_height(&font) => (int)(font.ascender - font.descender + (float)0.5); fn int Font.line_height(&font) => (int)(font.ascender - font.descender + (float)0.5);
// ---------------------------------------------------------------------------------- //
// TEXT MEASUREMENT //
// ---------------------------------------------------------------------------------- //
const uint TAB_SIZE = 4;
struct TextSize {
Size width, height;
int area;
}
// Measeure the size of a string.
// width.min: as if each word is broken up by a new line
// width.max: the width of the string left as-is
// height.min: the height of the string left as-is
// height.max: the height of the string with each word broken up by a new line
<*
@param [&in] ctx
@param [in] text
*>
fn TextSize? Ctx.measure_string(&ctx, String text)
{
if (text == "") return (TextSize){};
Font* font = &ctx.font;
short baseline = (short)font.ascender;
short line_height = (short)font.line_height();
short line_gap = (short)font.linegap;
short space_width = font.get_glyph(' ').adv!;
short tab_width = space_width * TAB_SIZE;
isz off;
usz x;
TextSize ts;
short word_width;
short words = 1;
Rect bounds; // unaltered text bounds;
Point origin;
Codepoint cp = str_to_codepoint(text[off..], &x);
for (; cp != 0; cp = str_to_codepoint(text[off..], &x)) {
off += x;
Glyph* gp = font.get_glyph(cp)!;
// update the text bounds
switch {
case cp == '\n':
origin.x = 0;
origin.y += line_height + line_gap;
case cp == '\t':
origin.x += tab_width;
case ascii::is_cntrl((char)cp):
break;
default:
Rect b = {
.x = origin.x + gp.ox,
.y = origin.y + gp.oy + baseline,
.w = gp.w,
.h = gp.h,
};
bounds = containing_rect(bounds, b);
origin.x += gp.adv;
}
// update the word width
switch {
case ascii::is_space((char)cp):
if (word_width > ts.width.min) ts.width.min = word_width;
word_width = 0;
words++;
default:
//word_width += gp.w + gp.ox;
if (off < text.len) {
word_width += gp.adv;
} else {
word_width += gp.w + gp.ox;
}
}
}
// end of string is also end of word
if (word_width > ts.width.min) ts.width.min = word_width;
ts.width.max = bounds.w;
ts.height.min = bounds.h;
ts.height.max = words * line_height + line_gap * (words-1);
ts.area = bounds.w * bounds.h;
return ts;
}
// layout a string inside a bounding box, following the given alignment (anchor).
// returns the position of the cursor, the returned height is the line height and the width is the last
// character's advance value
// TODO: implement a "reflow" flag to toggle reflow if a character goes out of bounds
// TODO: also return the total bounds of the laid out string
// TODO: Following improvements
// [ ] struct LineInfo which stores the line information, like offset, width and height, during
// the measurement stage each line is scanned and pushed to the list, then to layout
// simply pop each line. The LineInfo list can be stored on the stack with the tmem allocator
// [ ] if the alignment is TOP_LEFT we can simply skip measuring the string, opting to layout
// it directly
// [ ] implement a macro to fetch and layout each character, this can be used to reduce code
// repetition both here and in measure_string
// [ ] the cursor position can be determined by a separate function like get_cursor_position()
// this way the function can terminate early if the cursor position is found
// [ ] implement a function hit_test_string() to get the character position at point, this can
// be used to implement mouse interactions, like cursor movement and selection
<*
@param [&in] ctx
@param [in] text
*>
fn Rect? Ctx.layout_string(&ctx, String text, Rect bounds, Anchor anchor, int z_index, Color hue, isz cursor = -1)
{
Font* font = &ctx.font;
short line_height = (short)font.line_height();
Rect cursor_rect = {.h = line_height};
if (bounds.w <= 0 || bounds.h <= 0) return cursor_rect;
ctx.push_scissor(bounds, z_index)!;
if (text == "") {
// when text is empty but we need to draw a cursor use a visually empty string
if (cursor >= 0) {
text = "\f";
} else {
return cursor_rect;
}
}
Id texture_id = font.id;
short baseline = (short)font.ascender;
short line_gap = (short)font.linegap;
short space_width = font.get_glyph(' ').adv!;
short tab_width = space_width * TAB_SIZE;
Point origin = bounds.position();
// measure string height inside the bounds to center it vertically
// FIXME: this is fast but it just gives back the height in LINES, most lines have only short
// characters which would result in a lower height
int string_height = line_height;
foreach (c: text) {
string_height += (line_height + line_gap) * (int)(c == '\n');
}
switch (anchor) {
case TOP_LEFT: nextcase;
case TOP: nextcase;
case TOP_RIGHT:
origin.y += 0;
case LEFT: nextcase;
case CENTER: nextcase;
case RIGHT:
origin.y += (short)(bounds.h - string_height)/2;
case BOTTOM_LEFT: nextcase;
case BOTTOM: nextcase;
case BOTTOM_RIGHT:
origin.y += (short)(bounds.h - string_height);
}
// measure the line until it exits the bounds or the string ends
usz line_start, line_end;
do {
int line_width;
Point o = {.x = bounds.x, .y = bounds.y};
Codepoint cp;
isz off = line_start;
short first_off;
for ITER: (usz x; (cp = str_to_codepoint(text[off..], &x)) != 0; off += x) {
Glyph* gp = font.get_glyph(cp)!;
switch {
case cp == '\n':
off += x;
break ITER;
case cp == '\t':
o.x += tab_width;
case ascii::is_cntrl((char)cp):
break;
default:
if (off == line_start) first_off = gp.ox;
Rect b = {
.x = o.x + gp.ox,
.y = o.y + gp.oy + baseline,
.w = gp.w,
.h = gp.h,
};
if (b.x + b.w > bounds.x + bounds.w) {
break ITER;
}
o.x += gp.adv;
line_width += gp.adv;
}
}
line_end = off;
if (line_end == line_start) unreachable("something went wrong in measuring the line");
// with the line width calculate the right origin and layout the line
origin.x = bounds.x - first_off;
short next_line_x = bounds.x; // the x coordinate of the origin if the line_width is zero
switch (anchor) {
case TOP_LEFT: nextcase;
case LEFT: nextcase;
case BOTTOM_LEFT:
// TODO: we didn't need to measure the line width with this alignment
origin.x += 0;
next_line_x += 0;
case TOP: nextcase;
case CENTER: nextcase;
case BOTTOM:
origin.x += (short)(bounds.w - line_width)/2+1;
next_line_x += bounds.w/2;
case TOP_RIGHT: nextcase;
case RIGHT: nextcase;
case BOTTOM_RIGHT:
origin.x += (short)(bounds.w - line_width);
next_line_x += bounds.w;
}
if (line_start <= cursor && cursor <= line_end) {
cursor_rect.x = origin.x;
cursor_rect.y = origin.y;
cursor_rect.w = 0;
}
// see the fixme when measuring the height
//ctx.push_rect({.x = origin.x,.y=origin.y,.w=(short)line_width,.h=(short)string_height}, z_index, &&(Style){.bg=0xff000042u.@to_rgba()})!;
String line = text[line_start:line_end-line_start];
off = 0;
for (usz x; (cp = str_to_codepoint(line[off..], &x)) != 0 && off < line.len; off += x) {
Glyph* gp = font.get_glyph(cp)!;
switch {
case cp == '\t':
origin.x += tab_width;
case ascii::is_cntrl((char)cp):
break;
default:
Rect b = {
.x = origin.x + gp.ox,
.y = origin.y + gp.oy + baseline,
.w = gp.w,
.h = gp.h
};
Rect uv = {
.x = gp.u,
.y = gp.v,
.w = gp.w,
.h = gp.h
};
ctx.push_sprite(b, uv, texture_id, z_index, hue)!;
origin.x += gp.adv;
}
if (line_start + off + x == cursor) {
cursor_rect.x = origin.x;
}
}
// done with the line
line_start = line_end;
origin.y += line_height + line_gap;
if (cursor == text.len && text[^1] == '\n') {
cursor_rect.x = next_line_x;
cursor_rect.y = origin.y;
}
} while(line_end < text.len);
ctx.reset_scissor(z_index)!;
return cursor_rect;
}

View File

@ -184,7 +184,6 @@ macro Rect Rect.expand(Rect a, Rect b)
}; };
} }
// ---------------------------------------------------------------------------------- // // ---------------------------------------------------------------------------------- //
// POINT // // POINT //
// ---------------------------------------------------------------------------------- // // ---------------------------------------------------------------------------------- //

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@ -1,4 +1,445 @@
module ugui; module ugui;
import std::collections::list;
import std::core::string;
struct LineInfo @local {
usz start, end;
short width, height;
short first_off; // first character offset
}
alias LineStack @local = list::List{LineInfo};
fn short Rect.y_off(Rect bounds, short height, Anchor anchor) @local
{
short off;
switch (anchor) {
case TOP_LEFT: nextcase;
case TOP: nextcase;
case TOP_RIGHT:
off = 0;
case LEFT: nextcase;
case CENTER: nextcase;
case RIGHT:
off = (short)(bounds.h - height)/2;
case BOTTOM_LEFT: nextcase;
case BOTTOM: nextcase;
case BOTTOM_RIGHT:
off = (short)(bounds.h - height);
}
return off;
}
fn short Rect.x_off(Rect bounds, short width, Anchor anchor) @local
{
short off;
switch (anchor) {
case TOP_LEFT: nextcase;
case LEFT: nextcase;
case BOTTOM_LEFT:
off = 0;
case TOP: nextcase;
case CENTER: nextcase;
case BOTTOM:
off = (short)(bounds.w - width)/2;
case TOP_RIGHT: nextcase;
case RIGHT: nextcase;
case BOTTOM_RIGHT:
off = (short)(bounds.w - width);
}
return off;
}
// ---------------------------------------------------------------------------------- //
// STRING LAYOUT //
// ---------------------------------------------------------------------------------- //
<*
@param[&in] ctx
@param[in] text
*>
fn void? Ctx.layout_string(&ctx, String text, Rect bounds, Anchor anchor, int z_index, Color hue, bool reflow = false)
{
if (anchor == TOP_LEFT) {
return ctx.layout_string_topleft(text, bounds, z_index, hue, reflow);
} else {
return ctx.layout_string_aligned(text, bounds, anchor, z_index, hue, reflow);
}
}
// layout a string inside a bounding box, following the given alignment (anchor).
// TODO: Following improvements
// [ ] implement a macro to fetch and layout each character, this can be used to reduce code
// repetition both here and in measure_string
// [ ] the cursor position can be determined by a separate function like get_cursor_position()
// this way the function can terminate early if the cursor position is found
// [ ] implement a function hit_test_string() to get the character position at point, this can
// be used to implement mouse interactions, like cursor movement and selection
<*
@param [&in] ctx
@param [in] text
*>
fn void? Ctx.layout_string_aligned(&ctx, String text, Rect bounds, Anchor anchor, int z_index, Color hue, bool reflow = false)
{
if (text == "") return;
if (bounds.w <= 0 || bounds.h <= 0) return;
ctx.push_scissor(bounds, z_index)!;
Font* font = &ctx.font;
Id texture_id = font.id;
short line_height = (short)font.line_height();
short baseline = (short)font.ascender;
short line_gap = (short)font.linegap;
short space_width = font.get_glyph(' ').adv!;
short tab_width = space_width * TAB_SIZE;
Point origin = bounds.position();
LineStack lines;
lines.init(tmem, 1);
Rect str_bounds;
usz line_start;
LineInfo li;
Point o;
StringIterator ti = text.iterator();
for (Codepoint cp; ti.has_next();) {
// FIXME: what if the interface changes?
cp = ti.next()!;
usz off = ti.current;
Glyph* gp = font.get_glyph(cp)!;
bool push = false;
switch {
case cp == '\n':
push = true;
case cp == '\t':
o.x += tab_width;
case ascii::is_cntrl((char)cp):
break;
default:
if (off == line_start) li.first_off = gp.ox;
Rect b = {
.x = o.x + gp.ox,
.y = o.y + gp.oy + baseline,
.w = gp.w,
.h = gp.h,
};
if (reflow && b.x + b.w > bounds.w) {
li.width += gp.ox + gp.w;
li.height = line_height;
push = true;
} else {
o.x += gp.adv;
li.width += gp.adv;
li.height = line_height;
}
}
if (push) {
li.start = line_start;
li.end = off;
lines.push(li);
str_bounds.w = max(str_bounds.w, li.width);
str_bounds.h += li.height;
o.x = 0;
o.y += line_height;
line_start = off;
li.height = 0;
li.width = 0;
}
}
// FIXME: crap
li.start = line_start;
li.end = ti.current;
lines.push(li);
str_bounds.w = max(str_bounds.w, li.width);
str_bounds.h += li.height;
// account for the line gap
str_bounds.h += (short)(lines.len() - 1)*line_gap;
o = bounds.position();
o.y += bounds.y_off(str_bounds.h, anchor);
foreach (idx, line : lines) {
o.x = bounds.x + bounds.x_off(line.width, anchor) - line.first_off;
StringIterator s = text[line.start:line.end-line.start].iterator();
for (Codepoint cp; s.has_next();) {
cp = s.next()!;
Glyph* gp = font.get_glyph(cp)!;
switch {
case cp == '\n':
break;
case cp == '\t':
o.x += tab_width;
case ascii::is_cntrl((char)cp):
break;
default:
Rect b = {
.x = o.x + gp.ox,
.y = o.y + gp.oy + baseline,
.w = gp.w,
.h = gp.h,
};
Rect uv = {
.x = gp.u,
.y = gp.v,
.w = gp.w,
.h = gp.h
};
ctx.push_sprite(b, uv, texture_id, z_index, hue)!;
o.x += gp.adv;
}
}
o.y += line.height + line_gap;
}
ctx.reset_scissor(z_index)!;
// ctx.dbg_rect(str_bounds.off(bounds.position()));
}
// layout a string inside a bounding box, with TOP_LEFT alignment.
<*
@param[&in] ctx
@param[in] text
*>
fn void? Ctx.layout_string_topleft(&ctx, String text, Rect bounds, int z_index, Color hue, bool reflow = false)
{
if (text == "") return;
if (bounds.w <= 0 || bounds.h <= 0) return;
ctx.push_scissor(bounds, z_index)!;
Font* font = &ctx.font;
Id texture_id = font.id;
short line_height = (short)font.line_height();
short baseline = (short)font.ascender;
short line_gap = (short)font.linegap;
short space_width = font.get_glyph(' ').adv!;
short tab_width = space_width * TAB_SIZE;
Point o = bounds.position();
StringIterator it = text.iterator();
for (Codepoint cp; it.has_next();) {
cp = it.next()!;
Glyph* gp = font.get_glyph(cp)!;
switch {
case cp == '\n':
o.y += line_height;
o.x = bounds.x;
break;
case cp == '\t':
o.x += tab_width;
case ascii::is_cntrl((char)cp):
break;
default:
Rect b = {
.x = o.x + gp.ox,
.y = o.y + gp.oy + baseline,
.w = gp.w,
.h = gp.h,
};
Rect uv = {
.x = gp.u,
.y = gp.v,
.w = gp.w,
.h = gp.h
};
if (reflow && b.x + b.w > bounds.x + bounds.w) {
o.y += line_height + line_gap;
o.x = bounds.x;
b.x = o.x + gp.ox;
b.y = o.y + gp.oy + baseline;
}
ctx.push_sprite(b, uv, texture_id, z_index, hue)!;
o.x += gp.adv;
}
}
ctx.reset_scissor(z_index)!;
}
// ---------------------------------------------------------------------------------- //
// CURSOR AND MOUSE //
// ---------------------------------------------------------------------------------- //
fn Rect? Ctx.get_cursor_position(&ctx, String text, Rect bounds, Anchor anchor, usz cursor, bool reflow = false)
{
if (anchor != TOP_LEFT) {
unreachable("TODO: anchor has to be TOP_LEFT");
}
if (bounds.w <= 0 || bounds.h <= 0) return {};
if (text == "") text = "\f";
Font* font = &ctx.font;
Id texture_id = font.id;
short line_height = (short)font.line_height();
short baseline = (short)font.ascender;
short line_gap = (short)font.linegap;
short space_width = font.get_glyph(' ').adv!;
short tab_width = space_width * TAB_SIZE;
Rect cursor_rect;
cursor_rect.x = bounds.x;
cursor_rect.y = bounds.y;
cursor_rect.h = line_height;
if (cursor == 0) return cursor_rect;
Point o = bounds.position();
StringIterator it = text.iterator();
usz off;
for (Codepoint cp; it.has_next();) {
cp = it.next()!;
off = it.current;
Glyph* gp = font.get_glyph(cp)!;
switch {
case cp == '\n':
o.y += line_height;
o.x = bounds.x;
break;
case cp == '\t':
o.x += tab_width;
case ascii::is_cntrl((char)cp):
break;
default:
Rect b = {
.x = o.x + gp.ox,
.y = o.y + gp.oy + baseline,
.w = gp.w,
.h = gp.h,
};
if (reflow && b.x + b.w > bounds.x + bounds.w) {
o.y += line_height + line_gap;
o.x = bounds.x;
b.x = o.x + gp.ox;
b.y = o.y + gp.oy + baseline;
}
o.x += gp.adv;
}
if (off == cursor) {
cursor_rect.x = o.x;
cursor_rect.y = o.y;
return cursor_rect;
}
}
return {};
}
// ---------------------------------------------------------------------------------- //
// TEXT MEASUREMENT //
// ---------------------------------------------------------------------------------- //
const uint TAB_SIZE = 4;
struct TextSize {
Size width, height;
int area;
}
// Measeure the size of a string.
// width.min: as if each word is broken up by a new line
// width.max: the width of the string left as-is
// height.min: the height of the string left as-is
// height.max: the height of the string with each word broken up by a new line
<*
@param [&in] ctx
@param [in] text
*>
fn TextSize? Ctx.measure_string(&ctx, String text)
{
if (text == "") return (TextSize){};
Font* font = &ctx.font;
short baseline = (short)font.ascender;
short line_height = (short)font.line_height();
short line_gap = (short)font.linegap;
short space_width = font.get_glyph(' ').adv!;
short tab_width = space_width * TAB_SIZE;
isz off;
usz x;
TextSize ts;
short word_width;
short words = 1;
Rect bounds; // unaltered text bounds;
Point origin;
StringIterator it = text.iterator();
for (Codepoint cp; it.has_next();) {
cp = it.next()!;
Glyph* gp = font.get_glyph(cp)!;
// update the text bounds
switch {
case cp == '\n':
origin.x = 0;
origin.y += line_height + line_gap;
case cp == '\t':
origin.x += tab_width;
case ascii::is_cntrl((char)cp):
break;
default:
Rect b = {
.x = origin.x + gp.ox,
.y = origin.y + gp.oy + baseline,
.w = gp.w,
.h = gp.h,
};
bounds = containing_rect(bounds, b);
origin.x += gp.adv;
}
// update the word width
switch {
case ascii::is_space((char)cp):
if (word_width > ts.width.min) ts.width.min = word_width;
word_width = 0;
words++;
default:
//word_width += gp.w + gp.ox;
if (off < text.len) {
word_width += gp.adv;
} else {
word_width += gp.w + gp.ox;
}
}
}
// end of string is also end of word
if (word_width > ts.width.min) ts.width.min = word_width;
ts.width.max = bounds.w;
ts.height.min = bounds.h;
ts.height.max = words * line_height + line_gap * (words-1);
ts.area = bounds.w * bounds.h;
return ts;
}

View File

@ -74,6 +74,7 @@ fn bool Ctx.text_edit(&ctx, TextEdit* te)
after -= how_many; after -= how_many;
} }
} }
// FIXME: this still doesn't work
if (mod.up) { if (mod.up) {
// back up to previous line // back up to previous line
if (te.cursor > 0) { if (te.cursor > 0) {
@ -97,6 +98,10 @@ fn bool Ctx.text_edit(&ctx, TextEdit* te)
after = te.chars - te.cursor; after = te.chars - te.cursor;
} }
} }
// TODO: mod.home
// TODO: mod.end
// TODO: selection with shift+arrows
} }
return free == 0; return free == 0;

View File

@ -39,9 +39,9 @@ fn void? Ctx.text_id(&ctx, Id id, String text)
} }
macro Ctx.text_box(&ctx, Size w, Size h, TextEdit* te, Anchor text_alignment = TOP_LEFT, ...) macro Ctx.text_box(&ctx, Size w, Size h, TextEdit* te, Anchor text_alignment = TOP_LEFT, bool reflow = true, ...)
=> ctx.text_box_id(@compute_id($vasplat), w, h, te, text_alignment); => ctx.text_box_id(@compute_id($vasplat), w, h, te, text_alignment, reflow);
fn ElemEvents? Ctx.text_box_id(&ctx, Id id, Size w, Size h, TextEdit* te, Anchor text_alignment) fn ElemEvents? Ctx.text_box_id(&ctx, Id id, Size w, Size h, TextEdit* te, Anchor text_alignment, bool reflow)
{ {
id = ctx.gen_id(id)!; id = ctx.gen_id(id)!;
@ -76,16 +76,13 @@ fn ElemEvents? Ctx.text_box_id(&ctx, Id id, Size w, Size h, TextEdit* te, Anchor
Rect bg_bounds = elem.bounds.pad(style.margin); Rect bg_bounds = elem.bounds.pad(style.margin);
Rect text_bounds = elem.bounds.pad(elem.layout.content_offset); Rect text_bounds = elem.bounds.pad(elem.layout.content_offset);
ctx.push_rect(bg_bounds, parent.z_index, style)!; ctx.push_rect(bg_bounds, parent.z_index, style)!;
Rect cur; ctx.layout_string(elem.text.te.to_string(), text_bounds, text_alignment, parent.z_index, style.fg, reflow)!;
cur = ctx.layout_string(elem.text.te.to_string(), text_bounds, text_alignment, parent.z_index, style.fg, elem.text.te.cursor)!;
// draw the cursor if the element has focus // draw the cursor if the element has focus
cur.w = 2;
cur.x -= 2;
if (elem.events.has_focus) { if (elem.events.has_focus) {
ctx.push_scissor(text_bounds, parent.z_index)!; Rect cur = ctx.get_cursor_position(elem.text.te.to_string(), text_bounds, text_alignment, elem.text.te.cursor, reflow)!;
cur.w = 2;
ctx.push_rect(cur, parent.z_index, &&(Style){.bg = style.fg})!; ctx.push_rect(cur, parent.z_index, &&(Style){.bg = style.fg})!;
ctx.reset_scissor(parent.z_index)!;
} }
return elem.events; return elem.events;
} }

View File

@ -245,6 +245,7 @@ $endswitch
// wait for the next event, timeout after 100ms // wait for the next event, timeout after 100ms
int timeout = LIMIT_FPS ? (int)(100.0-sleep_clock.mark().to_ms()-0.5) : 0; int timeout = LIMIT_FPS ? (int)(100.0-sleep_clock.mark().to_ms()-0.5) : 0;
if (ui.skip_frame) timeout = 0;
sdl::wait_event_timeout(&e, timeout); sdl::wait_event_timeout(&e, timeout);
fps = 1.0 / fps_clock.mark().to_sec(); fps = 1.0 / fps_clock.mark().to_sec();
@ -459,7 +460,7 @@ fn void calculator(ugui::Ctx* ui, TextEdit* te)
ui.slider_ver(ugui::@exact(20), ugui::@exact(100), &f)!!; ui.slider_ver(ugui::@exact(20), ugui::@exact(100), &f)!!;
}!!; }!!;
ui.@div(ugui::@grow(), ugui::@fit(), anchor: CENTER) { ui.@div(ugui::@grow(), ugui::@fit(), anchor: CENTER) {
ui.text_box(ugui::@grow(), ugui::@exact(100), te, RIGHT)!!; ui.text_box(ugui::@grow(), ugui::@exact(100), te, TOP_LEFT)!!;
}!!; }!!;
}!!; }!!; }!!; }!!;
} }