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ugui
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some working elements

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master
Alessandro Mauri 2 years ago
parent e00bd1046a
commit 82bc7a4d0d
Signed by: alema
GPG Key ID: 2B7BF9531FF03BE8
6 changed files with 249 additions and 191 deletions
  1. 2
      .gitignore
  2. 37
      def_style.h
  3. 2
      test/Makefile
  4. 31
      test/main.c
  5. 304
      ugui.c
  6. 54
      ugui.h

2
.gitignore vendored
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@ -1,3 +1,5 @@
microgui
*.o
test/test
**/compile_commands.json
**/.cache

37
def_style.h
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@ -0,0 +1,37 @@
#ifndef _UG_DEF_STYLE_H
#define _UG_DEF_STYLE_H
#include "ugui.h"
#define SZ_INT(x) x.size.i
static const ug_style_t default_style = {
.color = {
.bg = RGB_FORMAT(0x131313),
.fg = RGB_FORMAT(0xffffff),
},
.margin = SIZE_PX(3),
.border = {
.color = RGB_FORMAT(0xf50a00),
.size = SIZE_PX(2),
},
.title = {
.color = {
.bg = RGB_FORMAT(0xbbbbbb),
.fg = RGB_FORMAT(0xffff00),
},
.height = SIZE_PX(20),
.font_size = SIZE_PX(14),
},
.btn = {
.color = {
.active = RGB_FORMAT(0x44ff44),
.bg = RGB_FORMAT(0x00ff00),
.fg = RGB_FORMAT(0xffff00),
},
.font_size = SIZE_PX(10),
},
};
#endif

2
test/Makefile
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@ -1,7 +1,7 @@
CFLAGS = -Wall -Wextra -Wpedantic -std=c11 -g
LDFLAGS = -lSDL2 -lm
test: main.c ../ugui.c ../ugui.h
test: main.c ../ugui.c ../ugui.h ../def_style.h
gcc ${CFLAGS} -c ../ugui.c -o ugui.o
gcc ${CFLAGS} -c main.c -o main.o
gcc ${LDFLAGS} main.o ugui.o -o test

31
test/main.c
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@ -1,3 +1,5 @@
#define _POSIX_C_SOURCE 200809l
#include <stdio.h>
#include <SDL2/SDL.h>
@ -63,7 +65,7 @@ int main(void)
ug_ctx_set_drawableregion(ctx, dsize);
// open font
font = STBTTF_OpenFont(r, "monospace.ttf", ctx->style_px->text.size.size.i);
font = STBTTF_OpenFont(r, "monospace.ttf", ctx->style_px->title.font_size.size.i);
// atexit(cleanup);
@ -189,20 +191,16 @@ int main(void)
// ug_container_remove(ctx, "Menu fichissimo");
//}
//ug_container_floating(ctx, "stupid name",
// (ug_div_t){.x=SIZE_PX(0), .y=SIZE_PX(0), .w=SIZE_PX(100), .h=SIZE_MM(75.0)});
ug_container_floating(ctx, "stupid name", (ug_div_t){.x=SIZE_PX(0), .y=SIZE_PX(0), .w=SIZE_PX(100), .h=SIZE_MM(75.0)});
//ug_container_floating(ctx, "floating windoooooooow", (ug_div_t){.x=SIZE_PX(100), .y=SIZE_PX(0), .w=SIZE_PX(100), .h=SIZE_MM(75.0)});
//ug_container_floating(ctx, "floating windoooooooow",
// (ug_div_t){.x=SIZE_PX(100), .y=//SIZE_PX(0), .w=SIZE_PX(100), .h=SIZE_MM(75.0)});
//
//ug_container_sidebar(ctx, "Right Sidebar", (ug_size_t)S//IZE_PX(300), UG_SIDE_RIGHT);
//ug_container_sidebar(ctx, "Left Sidebar", (ug_size_t)SIZE_PX(200), //UG_SIDE_LEFT);
ug_container_sidebar(ctx, "Right Sidebar", (ug_size_t)SIZE_PX(300), UG_SIDE_RIGHT);
ug_container_sidebar(ctx, "Left Sidebar", (ug_size_t)SIZE_PX(200), UG_SIDE_LEFT);
//ug_container_sidebar(ctx, "Bottom Sidebar", (ug_size_t)SIZE_MM(10), UG_SIDE_BOTTOM);
//ug_container_sidebar(ctx, "Top Sidebar", (ug_size_t)SIZE_MM(40), UG_SIDE_TOP);
//ug_container_floating(ctx, "stupid er",
// (ug_div_t){.x=SIZE_PX(150), .y=SIZE_PX(-100), .w=SIZE_PX(100), .h=SIZE_MM(75.0)});
//ug_container_popup(ctx, "Annoying popup", (ug_div_t){.x=SIZE_MM(150), .y=SIZE_MM(150), .w=SIZE_PX(100), .h=SIZE_MM(75.0)});
// ug_container_popup(ctx, "Annoying popup", (ug_div_t){.x=SIZE_MM(150), .y=SIZE_MM(150), .w=SIZE_PX(100), .h=SIZE_MM(75.0)});
ug_container_body(ctx, "Main Body");
//if (ug_container_body(ctx, "Other Body"))
@ -211,11 +209,20 @@ int main(void)
ug_layout_row(ctx);
if (ug_element_button(ctx, "button", "btn", (ug_div_t){.w=SIZE_PX(20),.h=SIZE_PX(20)}))
printf("nope\n");
ug_element_button(ctx, "button 1", "", (ug_div_t){.w=SIZE_PX(10),.h=SIZE_PX(10)});
ug_element_button(ctx, "button 2", "", (ug_div_t){.w=SIZE_PX(10),.h=SIZE_PX(10)});
ug_element_button(ctx, "button 3", "", (ug_div_t){.w=SIZE_PX(10),.h=SIZE_PX(10)});
ug_layout_column(ctx);
ug_element_button(ctx, "button 4", "", (ug_div_t){.w=SIZE_PX(10),.h=SIZE_PX(10)});
ug_element_button(ctx, "button 5", "", (ug_div_t){.w=SIZE_PX(10),.h=SIZE_PX(10)});
ug_element_button(ctx, "button 6", "", (ug_div_t){.w=SIZE_PX(10),.h=SIZE_PX(10),.x=SIZE_PX(-10)});
ug_frame_end(ctx);
// fill background
SDL_SetRenderDrawColor(r, 0, 0, 0, 0xff);
// solid purple makes it easy to identify, same color as hl missing texture
SDL_SetRenderDrawColor(r, 0xff, 0, 0xdc, 0xff);
SDL_RenderClear(r);
for (ug_cmd_t *cmd = NULL; (cmd = ug_cmd_next(ctx));) {
switch (cmd->type) {

304
ugui.c
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@ -6,6 +6,7 @@
#include <math.h>
#include "ugui.h"
#include "def_style.h"
#define SALT 0xbabb0cac
@ -48,33 +49,6 @@
#define MAX(a, b) (a > b ? a : b)
// default style
// TODO: fill default style
static const ug_style_t default_style = {
.text = {
.color = RGB_FORMAT(0xffffff),
.alt_color = RGB_FORMAT(0xbbbbbb),
.size = SIZE_PX(16),
.alt_size = SIZE_PX(12),
},
.cnt = {
.bg_color = RGB_FORMAT(0x0000ff),
.border.t = SIZE_PX(1),
.border.b = SIZE_PX(1),
.border.l = SIZE_PX(1),
.border.r = SIZE_PX(1),
.border.color = RGB_FORMAT(0x00ff00),
.titlebar.height = SIZE_PX(20),
.titlebar.bg_color = RGB_FORMAT(0xbababa),
.margin = SIZE_PX(3),
},
.button = {
.border = SIZE_PX(1),
.br_color = RGB_FORMAT(0xff0000),
.bg_color = RGB_FORMAT(0xffff00),
},
};
static ug_style_t style_cache = {0};
@ -331,6 +305,46 @@ int ug_ctx_set_style(ug_ctx_t *ctx, const ug_style_t *style)
* Container Operations *
*=============================================================================*/
/*
* Container style:
*
* rca
* v v Border Top v
* +--------------------------------------------------------+
* +--------------------------------------------------------+
* | Titlebar |
* +--------------------------------------------------------+
* |+------------------------------------------------------+|
* || .................................................... ||
* || .\ ^ Border Top ^ . ||
* || . \_ rect(0,0) . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . < Border Left . ||
* || . + Margin Border Right >. ||
* || . + Margin . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || .................................................... ||
* |+------------------------------------------------------+|
* +--------------------------------------------------------+
* ^ Border Bottom ^
*/
// search a container by id int the stack and get it's address
static ug_container_t *search_container(ug_ctx_t *ctx, ug_id_t id)
@ -395,6 +409,9 @@ static void sort_containers(ug_ctx_t *ctx)
// update the container position in the context area
// TODO: can we generalize position_container and position_element into one or
// more similar functions
// TODO: containers only have borders from which they can be resized
static int position_container(ug_ctx_t *ctx, ug_container_t *cnt)
{
if (!TEST(cnt->flags, UG_CNT_FLOATING)) {
@ -410,52 +427,9 @@ static int position_container(ug_ctx_t *ctx, ug_container_t *cnt)
*rca = *rect;
/*
* Container style:
*
* rca
* v v Border Top v
* +--------------------------------------------------------+
* +--------------------------------------------------------+
* | Titlebar |
* +--------------------------------------------------------+
* |+------------------------------------------------------+|
* || .................................................... ||
* || .\ ^ Border Top ^ . ||
* || . \_ rect(0,0) . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . < Border Left . ||
* || . + Margin Border Right >. ||
* || . + Margin . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || .................................................... ||
* |+------------------------------------------------------+|
* +--------------------------------------------------------+
* ^ Border Bottom ^
*/
const ug_style_t *s = ctx->style_px;
int bl = s->cnt.border.l.size.i + s->cnt.margin.size.i;
int br = s->cnt.border.r.size.i + s->cnt.margin.size.i;
int bt = s->cnt.border.t.size.i + s->cnt.margin.size.i;
int bb = s->cnt.border.b.size.i + s->cnt.margin.size.i;
int hh = s->cnt.titlebar.height.size.i;
int b = SZ_INT(s->border.size) + SZ_INT(s->margin);
int hh = SZ_INT(s->title.height);
int cx = ctx->origin.x;
int cy = ctx->origin.y;
int cw = ctx->origin.w;
@ -463,11 +437,25 @@ static int position_container(ug_ctx_t *ctx, ug_container_t *cnt)
// handle relative sizes
if (rect->w == 0) rca->w = cw;
else rca->w += bl + br;
if (rect->h == 0) rca->h = ch;
else if (TEST(cnt->flags, UG_CNT_MOVABLE)) rca->h += hh + 2*bt + bb;
else rca->h += bt + bb;
else if (TEST(cnt->flags, UG_CNT_MOVABLE)) rca->h += hh;
// handle borders, only draw borders on sides which can be used to resize
if (TEST(cnt->flags, UG_CNT_RESIZE_LEFT)) {
rca->w += b;
}
if (TEST(cnt->flags, UG_CNT_RESIZE_RIGHT)) {
rca->w += b;
}
if (TEST(cnt->flags, UG_CNT_RESIZE_TOP)) {
rca->h += b;
}
if (TEST(cnt->flags, UG_CNT_RESIZE_BOTTOM)) {
rca->h += b;
}
if (TEST(cnt->flags, UG_CNT_MOVABLE)) {
rca->h += b;
}
// if the container is not fixed than it can have positions outside of the
// main window, thus negative
@ -491,6 +479,16 @@ static int position_container(ug_ctx_t *ctx, ug_container_t *cnt)
ctx->origin.w = ctx->origin.h = 0;
}
}
// set the correct element origin
cnt->c_orig.x = cnt->r_orig.x = cnt->space.x = rca->x + b;
cnt->c_orig.y = cnt->r_orig.y = cnt->space.y = rca->y + b;
if (TEST(cnt->flags, UG_CNT_MOVABLE)) {
cnt->c_orig.y += hh + SZ_INT(s->border.size);
cnt->r_orig.y += hh + SZ_INT(s->border.size);
cnt->space.y += hh + SZ_INT(s->border.size);
}
return 0;
}
@ -519,21 +517,18 @@ static int handle_container(ug_ctx_t *ctx, ug_container_t *cnt)
rca = &cnt->rca;
const ug_style_t *s = ctx->style_px;
int bl = s->cnt.border.l.size.i + s->cnt.margin.size.i;
int br = s->cnt.border.r.size.i + s->cnt.margin.size.i;
int bt = s->cnt.border.t.size.i + s->cnt.margin.size.i;
int bb = s->cnt.border.b.size.i + s->cnt.margin.size.i;
int hh = s->cnt.titlebar.height.size.i;
int b = SZ_INT(s->border.size) + SZ_INT(s->margin);
int hh = SZ_INT(s->title.height);
ug_vec2_t mpos = ctx->mouse.pos;
int minx, maxx, miny, maxy;
// handle movable windows
if (TEST(cnt->flags, UG_CNT_MOVABLE)) {
minx = rca->x + bl;
maxx = rca->x + rca->w - br;
miny = rca->y + bt;
maxy = rca->y + bt + hh;
minx = rca->x + b;
maxx = rca->x + rca->w - b;
miny = rca->y + b;
maxy = rca->y + b + hh;
if ((cnt->flags & CNT_STATE_ALL) == CNT_STATE_MOVING ||
((cnt->flags & CNT_STATE_ALL) == 0 &&
BETWEEN(mpos.x, minx, maxx) &&
@ -546,9 +541,10 @@ static int handle_container(ug_ctx_t *ctx, ug_container_t *cnt)
}
}
// FIXME: allow for corner resize
// right border resize
if (TEST(cnt->flags, UG_CNT_RESIZE_RIGHT)) {
minx = rca->x + rca->w - br;
minx = rca->x + rca->w - b;
maxx = rca->x + rca->w;
miny = rca->y;
maxy = rca->y + rca->h;
@ -565,7 +561,7 @@ static int handle_container(ug_ctx_t *ctx, ug_container_t *cnt)
// left border resize
if (TEST(cnt->flags, UG_CNT_RESIZE_LEFT)) {
minx = rca->x;
maxx = rca->x + bl;
maxx = rca->x + b;
miny = rca->y;
maxy = rca->y + rca->h;
if ((cnt->flags & CNT_STATE_ALL) == CNT_STATE_RESIZE_L ||
@ -590,7 +586,7 @@ static int handle_container(ug_ctx_t *ctx, ug_container_t *cnt)
if (TEST(cnt->flags, UG_CNT_RESIZE_BOTTOM)) {
minx = rca->x;
maxx = rca->x + rca->w;
miny = rca->y + rca->h - bb;
miny = rca->y + rca->h - b;
maxy = rca->y + rca->h;
if ((cnt->flags & CNT_STATE_ALL) == CNT_STATE_RESIZE_B ||
((cnt->flags & CNT_STATE_ALL) == 0 &&
@ -607,7 +603,7 @@ static int handle_container(ug_ctx_t *ctx, ug_container_t *cnt)
minx = rca->x;
maxx = rca->x + rca->w;
miny = rca->y;
maxy = rca->y + bt;
maxy = rca->y + b;
if ((cnt->flags & CNT_STATE_ALL) == CNT_STATE_RESIZE_T ||
((cnt->flags & CNT_STATE_ALL) == 0 &&
BETWEEN(mpos.x, minx, maxx) &&
@ -643,47 +639,59 @@ static int handle_container(ug_ctx_t *ctx, ug_container_t *cnt)
static void draw_container(ug_ctx_t *ctx, ug_container_t *cnt, const char *text)
{
ug_rect_t draw_rect;
ug_rect_t rect;
const ug_style_t *s = ctx->style_px;
int bl = s->cnt.border.l.size.i;
int br = s->cnt.border.r.size.i;
int bt = s->cnt.border.t.size.i;
int bb = s->cnt.border.b.size.i;
int hh = s->cnt.titlebar.height.size.i;
int ts = s->text.size.size.i;
int b = SZ_INT(s->border.size);
int hh = SZ_INT(s->title.height);
int ts = SZ_INT(s->title.font_size);
// push outline
draw_rect = cnt->rca;
push_rect_command(ctx, &draw_rect, s->cnt.border.color);
// push main body
rect = cnt->rca;
push_rect_command(ctx, &rect, s->color.bg);
// push outline
if (TEST(cnt->flags, UG_CNT_RESIZE_LEFT)) {
rect = cnt->rca;
rect.w = b;
push_rect_command(ctx, &rect, s->border.color);
}
if (TEST(cnt->flags, UG_CNT_RESIZE_RIGHT)) {
rect = cnt->rca;
rect.x += rect.w - b;
rect.w = b;
push_rect_command(ctx, &rect, s->border.color);
}
if (TEST(cnt->flags, UG_CNT_RESIZE_TOP)) {
rect = cnt->rca;
rect.h = b;
push_rect_command(ctx, &rect, s->border.color);
}
if (TEST(cnt->flags, UG_CNT_RESIZE_BOTTOM)) {
rect = cnt->rca;
rect.y += rect.h - b;
rect.h = b;
push_rect_command(ctx, &rect, s->border.color);
}
// titlebar
if (TEST(cnt->flags, UG_CNT_MOVABLE)) {
draw_rect.x += bl;
draw_rect.y += bt;
draw_rect.w -= bl + br;
draw_rect.h = hh;
push_rect_command(ctx, &draw_rect, s->cnt.titlebar.bg_color);
// titlebar area
rect = cnt->rca;
rect.x += b;
rect.y += b;
rect.w -= 2*b;
rect.h = hh;
push_rect_command(ctx, &rect, s->title.color.bg);
// titlebar border
rect.y += hh;
rect.h = b;
push_rect_command(ctx, &rect, s->border.color);
if (text) {
// TODO: center the text horizontally
// TODO: center text
push_text_command(ctx,
(ug_vec2_t){.x = draw_rect.x + bl,
.y = draw_rect.y + bt + ts/2},
ts, s->text.color, text);
(ug_vec2_t){.x = rect.x, .y = rect.y},
ts, s->title.color.fg, text);
}
}
// push main body
draw_rect = cnt->rca;
draw_rect.x += bl;
draw_rect.y += bt;
draw_rect.w -= bl + br;
draw_rect.h -= bt + bb;
if (TEST(cnt->flags, UG_CNT_MOVABLE)) {
draw_rect.y += bt + hh;
draw_rect.h -= bt + hh;
}
push_rect_command(ctx, &draw_rect, s->cnt.bg_color);
// TODO: push other rects
}
@ -1000,6 +1008,8 @@ int ug_frame_begin(ug_ctx_t *ctx)
return 0;
}
// FIXME: reoreder code such that this prototype is not needed
void draw_elements(ug_ctx_t *, ug_container_t *);
// At the end of a frame reset inputs
int ug_frame_end(ug_ctx_t *ctx)
@ -1010,8 +1020,10 @@ int ug_frame_end(ug_ctx_t *ctx)
sort_containers(ctx);
for (int i = 0; i < ctx->cnt_stack.idx; i++) {
ug_container_t *c = &ctx->cnt_stack.items[i];
// draw containers
draw_container(ctx, c, c->name);
// TODO: draw elements
// draw elements
draw_elements(ctx, c);
// reset the layout to row
c->flags &= ~(CNT_LAYOUT_COLUMN);
}
@ -1081,7 +1093,6 @@ int ug_frame_end(ug_ctx_t *ctx)
*/
#define GET_SELECTED_CONTAINER(ctx, cp) \
{ \
cp = search_container(ctx, ctx->selected_cnt); \
@ -1181,8 +1192,14 @@ static int position_element(ug_ctx_t *ctx, ug_container_t *cnt, ug_element_t *el
*rca = *rect;
// printf("cnt->r_orig: x=%d, y=%d\n", cnt->r_orig.x, cnt->r_orig.y);
// printf("cnt->c_orig: x=%d, y=%d\n", cnt->c_orig.x, cnt->c_orig.y);
// printf("rca: x=%d, y=%d, w=%d, h=%d\n", rca->x, rca->y, rca->w, rca->h);
const ug_style_t *s = ctx->style_px;
int b = s->button.border.size.i;
// FIXME: different border thickness
int b = SZ_INT(s->border.size);
int m = SZ_INT(s->margin);
int cx, cy, cw, ch;
// FIXME: this may not work
@ -1201,21 +1218,44 @@ static int position_element(ug_ctx_t *ctx, ug_container_t *cnt, ug_element_t *el
else rca->w += b;
if (rect->h == 0) rca->h = ch;
else rca->h += b;
// <0 -> relative to the right margin
if (rect->x < 0) rca->x = cx + cw - rca->w + rca->x + 1;
else rca->x = cx;
if (rect->y < 0) rca->y = cy + ch - rca->h + rca->y + 1;
else rca->y = cy;
// for elements x and y are offsets
rca->x = cx + rect->x;
rca->y = cy + rect->y;
cnt->c_orig.y += rca->h;
cnt->r_orig.x += rca->w;
cnt->space.w += rca->w;
// printf("rca: x=%d, y=%d, w=%d, h=%d\n", rca->x, rca->y, rca->w, rca->h);
if (TEST(cnt->flags, CNT_LAYOUT_COLUMN)) {
cnt->c_orig.y += rca->h + m;
cnt->r_orig.y += rca->h + m;
cnt->space.h += rca->h;
if ((cnt->space.x + cnt->space.w) < (rca->x + rca->w))
cnt->space.w += cnt->space.x + cnt->space.w - rca->x - rca->w;
} else {
cnt->r_orig.x += rca->w + m;
cnt->c_orig.x += rca->w + m;
cnt->space.w += rca->w;
if ((cnt->space.y + cnt->space.h) < (rca->y + rca->h))
cnt->space.h += cnt->space.y + cnt->space.h - rca->y - rca->h;
}
return 0;
}
void draw_elements(ug_ctx_t *ctx, ug_container_t *cnt)
{
for (int i = 0; i < cnt->elem_stack.idx; i++) {
ug_element_t *e = &(cnt->elem_stack.items[i]);
switch (e->type) {
case UG_ELEM_BUTTON:
push_rect_command(ctx, &e->rca, ctx->style_px->btn.color.bg);
break;
default: break;
}
}
}
int ug_element_button(ug_ctx_t *ctx, const char *name, const char *txt, ug_div_t dim)
{
TEST_CTX(ctx);
@ -1241,7 +1281,5 @@ int ug_element_button(ug_ctx_t *ctx, const char *name, const char *txt, ug_div_t
return -1;
}
push_rect_command(ctx, &elem->rca, ctx->style_px->button.bg_color);
return 0;
}

54
ugui.h
Unescape View File

@ -65,8 +65,11 @@ typedef struct {
ug_rect_t rca;
unsigned int flags;
// layouting and elements
ug_vec2_t space; // total space used by elements
ug_vec2_t c_orig, r_orig; // origin for in-row and in-column elements
// total space used by elements, x and y are the starting coordinates
// for elements
ug_rect_t space;
// origin for in-row and in-column elements
ug_vec2_t c_orig, r_orig;
UG_STACK(ug_element_t) elem_stack;
} ug_container_t;
@ -98,49 +101,20 @@ enum {
// allocate space one can say that the default size of a region that allocates a
// slider has the style's default dimensions for a slider
typedef struct {
struct { ug_color_t bg, fg; } color;
ug_size_t margin;
struct {
ug_color_t color, alt_color;
ug_size_t size, alt_size;
} text;
struct {
ug_color_t bg_color;
struct {
ug_size_t t, b, l, r;
ug_color_t color;
ug_size_t size;
} border;
ug_size_t margin;
// titlebar only gets applied to movable containers
struct {
ug_size_t height;
ug_color_t bg_color;
} titlebar;
} cnt;
// a button should stand out, hence the different colors
struct {
ug_size_t border;
ug_color_t br_color, bg_color, hover_color, active_color;
} button;
// a checkbox should be smaller than a button
struct {
ug_size_t width, height, tick_size;
ug_color_t tick_color;
} checkbox;
// a slider can be thinner and generally wider than a button
struct { ug_color_t bg, fg; } color;
ug_size_t height, font_size;
} title;
struct {
ug_size_t width, height;
} slider;
// the text color, dimension and the background of a text display can be
// different
struct {
ug_color_t text_color, bg_color;
ug_size_t text_size;
} textdisplay;
struct { ug_color_t active, bg, fg; } color;
ug_size_t font_size;
} btn;
} ug_style_t;

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