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ugui
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reworked layout

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master
Alessandro Mauri 2 years ago
parent 0948708050
commit 6fe3ce8787
4 changed files with 231 additions and 170 deletions
  1. 4
      def_style.h
  2. 22
      test/main.c
  3. 361
      ugui.c
  4. 12
      ugui.h

4
def_style.h
Unescape View File

@ -13,7 +13,7 @@ static const ug_style_t default_style = {
.margin = SIZE_PX(3),
.border = {
.color = RGB_FORMAT(0xf50a00),
.size = SIZE_PX(2),
.size = SIZE_PX(10),
},
.title = {
.color = {
@ -32,7 +32,7 @@ static const ug_style_t default_style = {
.br = RGB_FORMAT(0xff00ff),
},
.font_size = SIZE_PX(10),
.border = SIZE_PX(1),
.border = SIZE_PX(5),
},
};

22
test/main.c
Unescape View File

@ -191,34 +191,36 @@ 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_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_sidebar(ctx, "Top Sidebar", (ug_size_t)SIZE_MM(40), UG_SIDE_TOP);
// 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");
//ug_container_body(ctx, "Main Body");
//if (ug_container_body(ctx, "Other Body"))
// printf("No space!\n");
ug_layout_row(ctx);
ug_layout_row(ctx);
ug_layout_column(ctx);
ug_element_button(ctx, "button 1", "hey", (ug_div_t){SQUARE(SIZE_MM(10))});
ug_element_button(ctx, "button 2", "lol", (ug_div_t){SQUARE(SIZE_MM(10))});
ug_layout_next_row(ctx);
ug_element_button(ctx, "button 3", "L", (ug_div_t){SQUARE(SIZE_MM(10))});
ug_element_button(ctx, "button 4", "69", (ug_div_t){SQUARE(SIZE_MM(10))});
ug_layout_next_row(ctx);
//ug_element_button(ctx, "button 2", "lol", (ug_div_t){SQUARE(SIZE_MM(10))});
//ug_layout_next_row(ctx);
//ug_element_button(ctx, "button 3", "L", (ug_div_t){SQUARE(SIZE_MM(10))});
//ug_element_button(ctx, "button 4", "69", (ug_div_t){SQUARE(SIZE_MM(10))});
ug_layout_next_column(ctx);
ug_element_button(ctx, "button 5", "lmao", (ug_div_t){SQUARE(SIZE_MM(10))});
ug_element_textbtn(ctx, "text button 1", "foo", (ug_div_t){SQUARE(SIZE_MM(10))});
//ug_element_textbtn(ctx, "text button 1", "foo", (ug_div_t){.w = 0, .h = SIZE_PX(30)});
//ug_element_button(ctx, "button 6", "", (ug_div_t){SQUARE(SIZE_MM(10)),.x=SIZE_PX(-10)});
ug_container_body(ctx, "fill body");
ug_frame_end(ctx);
// fill background

361
ugui.c
Unescape View File

@ -36,7 +36,8 @@
CNT_STATE_RESIZE_T | \
CNT_STATE_RESIZE_B | \
CNT_STATE_RESIZE_L | \
CNT_STATE_RESIZE_R \
CNT_STATE_RESIZE_R | \
CNT_STATE_RESIZE_D \
)
#define PPI_PPM(ppi, scale) (ppi * scale * 0.03937008)
@ -45,7 +46,7 @@
#define UG_ERR(...) err(errno, "__FUNCTION__: " __VA_ARGS__)
#define BETWEEN(x, min, max) (x <= max && x >= min)
#define INTERSECTS(v, r) (BETWEEN(v.x, r.x, r.x+r.w) && BETWEEN(v.y, r.y, r.y+r.h))
#define TEST(f, b) (f & b)
#define TEST(f, b) (f & (b))
#define MAX(a, b) (a > b ? a : b)
#define R_MARGIN(r, b) (r.x + r.w - b)
#define L_MARGIN(r, b) (r.x + b)
@ -173,6 +174,31 @@ void scale_rect(ug_ctx_t *ctx, ug_rect_t *rect)
}
int crop_rect(ug_rect_t *ra, ug_rect_t *rb)
{
int cropped = 0;
if (L_MARGIN((*ra), 0) < L_MARGIN((*rb), 0)) {
ra->w -= L_MARGIN((*rb), 0) - L_MARGIN((*ra), 0);
ra->x = rb->x;
cropped = 1;
}
if (R_MARGIN((*ra), 0) > R_MARGIN((*rb), 0)) {
ra->w -= R_MARGIN((*ra), 0) - R_MARGIN((*rb), 0);
cropped = 1;
}
if (T_MARGIN((*ra), 0) < T_MARGIN((*rb), 0)) {
ra->h -= T_MARGIN((*rb), 0) - T_MARGIN((*ra), 0);
ra->y = rb->y;
cropped = 1;
}
if (B_MARGIN((*ra), 0) > B_MARGIN((*rb), 0)) {
ra->h -= B_MARGIN((*ra), 0)- B_MARGIN((*rb), 0);
cropped = 1;
}
return cropped;
}
/*=============================================================================*
* Command Operations *
*=============================================================================*/
@ -317,44 +343,44 @@ int ug_ctx_set_style(ug_ctx_t *ctx, const ug_style_t *style)
#define STATEIS(cnt, f) ((cnt->flags & CNT_STATE_ALL) == f)
/*
* Container style:
*
* rca
* v v Border Top v
* +--------------------------------------------------------+
* +--------------------------------------------------------+
* | Titlebar |
* +--------------------------------------------------------+
* |+------------------------------------------------------+|
* || .................................................... ||
* || .\ ^ Border Top ^ . ||
* || . \_ rect(0,0) . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . < Border Left . ||
* || . + Margin Border Right >. ||
* || . + Margin . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || . . ||
* || .................................................... ||
* |+------------------------------------------------------+|
* +--------------------------------------------------------+
* ^ Border Bottom ^
*/
* Container style: rca stands for absolute rectangle, it delimits the total
* drawable area, as such it does not include borders
*
* rca v Border Top v
* +-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
@ -422,7 +448,6 @@ 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)) {
@ -439,51 +464,55 @@ static int position_container(ug_ctx_t *ctx, ug_container_t *cnt)
*rca = *rect;
const ug_style_t *s = ctx->style_px;
int b = SZ_INT(s->border.size) + SZ_INT(s->margin);
int b = SZ_INT(s->border.size);
int hh = SZ_INT(s->title.height);
int cx = ctx->origin.x;
int cy = ctx->origin.y;
int cw = ctx->origin.w;
int ch = ctx->origin.h;
ug_rect_t c = {
.x = ctx->origin.x + b,
.y = ctx->origin.y + b,
.w = ctx->origin.w - 2*b,
.h = ctx->origin.h - 2*b
};
// handle relative sizes
if (rect->w == 0) rca->w = cw;
if (rect->h == 0) rca->h = ch;
else if (TEST(cnt->flags, UG_CNT_MOVABLE)) rca->h += hh;
if (rect->w == 0) rca->w = c.w;
if (rect->h == 0) rca->h = c.h;
else if (TEST(cnt->flags, UG_CNT_MOVABLE)) rca->h += hh + b;
// 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 (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
if (!TEST(cnt->flags, UG_CNT_FLOATING)) {
// <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;
if (rect->x < 0) rca->x = R_MARGIN(c, 0) - R_MARGIN((*rca), -1);
else rca->x = L_MARGIN(c, 0);
if (rect->y < 0) rca->y = B_MARGIN(c, 0) - B_MARGIN((*rca), -1);
else rca->y = T_MARGIN(c, 0);
// if the container is fixed than update the available space in
// the context
if (rect->w) {
ctx->origin.x = rect->x >= 0 ? rca->x + rca->w : ctx->origin.x;
if (rect->x >= 0)
ctx->origin.x = R_MARGIN((*rca), -b);
ctx->origin.w -= rca->w;
} else if (rect->h) {
ctx->origin.y = rect->y >= 0 ? rca->y + rca->h : ctx->origin.y;
if (rect->y >= 0)
ctx->origin.y = B_MARGIN((*rca), -b);
ctx->origin.h -= rca->h;
} else {
// width and height zero means fill everything
@ -492,8 +521,8 @@ static int position_container(ug_ctx_t *ctx, ug_container_t *cnt)
}
// set the correct element origin
cnt->c_orig.x = cnt->r_orig.x = cnt->space.x = L_MARGIN((*rca), b);
cnt->c_orig.y = cnt->r_orig.y = cnt->space.y = T_MARGIN((*rca),b);
cnt->c_orig.x = cnt->r_orig.x = cnt->space.x = L_MARGIN((*rca), 0);
cnt->c_orig.y = cnt->r_orig.y = cnt->space.y = T_MARGIN((*rca), 0);
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);
@ -528,7 +557,8 @@ static int handle_container(ug_ctx_t *ctx, ug_container_t *cnt)
rca = &cnt->rca;
const ug_style_t *s = ctx->style_px;
int b = SZ_INT(s->border.size) + SZ_INT(s->margin);
int b = SZ_INT(s->border.size);
int m = SZ_INT(s->margin);
int hh = SZ_INT(s->title.height);
ug_vec2_t mpos = ctx->mouse.pos;
@ -537,9 +567,9 @@ static int handle_container(ug_ctx_t *ctx, ug_container_t *cnt)
// handle movable windows
if (TEST(cnt->flags, UG_CNT_MOVABLE)) {
clip = (ug_rect_t){
.x = L_MARGIN((*rca), b),
.y = T_MARGIN((*rca), b),
.w = rca->w - 2*b,
.x = L_MARGIN((*rca), 0),
.y = T_MARGIN((*rca), 0),
.w = rca->w,
.h = hh,
};
if (STATEIS(cnt, CNT_STATE_MOVING) ||
@ -552,13 +582,12 @@ 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)) {
clip = (ug_rect_t){
.x = R_MARGIN((*rca), b),
.y = rca->y,
.w = b,
.x = R_MARGIN((*rca), m),
.y = T_MARGIN((*rca), 0),
.w = b + m,
.h = rca->h,
};
if (STATEIS(cnt, CNT_STATE_RESIZE_R) ||
@ -572,9 +601,9 @@ static int handle_container(ug_ctx_t *ctx, ug_container_t *cnt)
// left border resize
if (TEST(cnt->flags, UG_CNT_RESIZE_LEFT)) {
clip = (ug_rect_t){
.x = L_MARGIN((*rca), 0),
.y = rca->y,
.w = b,
.x = L_MARGIN((*rca), -b),
.y = T_MARGIN((*rca), 0),
.w = b + m,
.h = rca->h,
};
if (STATEIS(cnt, CNT_STATE_RESIZE_L) ||
@ -596,10 +625,10 @@ static int handle_container(ug_ctx_t *ctx, ug_container_t *cnt)
// bottom border resize
if (TEST(cnt->flags, UG_CNT_RESIZE_BOTTOM)) {
clip = (ug_rect_t){
.x = rca->x,
.y = B_MARGIN((*rca), b),
.x = L_MARGIN((*rca), 0),
.y = B_MARGIN((*rca), m),
.w = rca->w,
.h = b,
.h = b + m,
};
if (STATEIS(cnt, CNT_STATE_RESIZE_B) ||
(STATEIS(cnt, 0) && INTERSECTS(mpos, clip))) {
@ -612,10 +641,10 @@ static int handle_container(ug_ctx_t *ctx, ug_container_t *cnt)
// top border resize
if (TEST(cnt->flags, UG_CNT_RESIZE_TOP)) {
clip = (ug_rect_t){
.x = rca->x,
.y = rca->y,
.x = L_MARGIN((*rca), 0),
.y = T_MARGIN((*rca), -b),
.w = rca->w,
.h = b,
.h = b + m,
};
if (STATEIS(cnt, CNT_STATE_RESIZE_T) ||
(STATEIS(cnt, 0) && INTERSECTS(mpos, clip))) {
@ -633,6 +662,24 @@ static int handle_container(ug_ctx_t *ctx, ug_container_t *cnt)
}
}
// lower diagonal resize
if (TEST(cnt->flags, UG_CNT_RESIZE_BOTTOM | UG_CNT_RESIZE_RIGHT)) {
clip = (ug_rect_t){
.x = R_MARGIN((*rca), -m),
.y = B_MARGIN((*rca), m),
.w = b + m,
.h = b + m,
};
if (STATEIS(cnt, CNT_STATE_RESIZE_D) ||
(STATEIS(cnt, 0) && INTERSECTS(mpos, clip))) {
cnt->flags |= CNT_STATE_RESIZE_D;
rect->h = MAX(10, rect->h + ctx->mouse.delta.y);
rca->h = MAX(10, rca->h + ctx->mouse.delta.y);
rect->w = MAX(10, rect->w + ctx->mouse.delta.x);
rca->w = MAX(10, rca->w + ctx->mouse.delta.x);
}
}
// if we were not resized but we are still active it means we are doing
// something to the contained elements, as such set state to none
if (STATEIS(cnt, 0))
@ -647,6 +694,7 @@ static int handle_container(ug_ctx_t *ctx, ug_container_t *cnt)
return 1;
}
#define EXPAND(r, b) {r.x-=b,r.y-=b,r.w+=2*b,r.h+=2*b;}
static void draw_container(ug_ctx_t *ctx, ug_container_t *cnt, const char *text)
{
@ -658,38 +706,46 @@ static void draw_container(ug_ctx_t *ctx, ug_container_t *cnt, const char *text)
// push main body
rect = cnt->rca;
EXPAND(rect, b);
push_rect_command(ctx, &rect, s->color.bg);
// push outline
if (TEST(cnt->flags, UG_CNT_RESIZE_LEFT)) {
rect = cnt->rca;
rect.x -= b;
rect.y -= b,
rect.h += 2*b;
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.x += rect.w;
rect.y -= b;
rect.h += 2*b;
rect.w = b;
push_rect_command(ctx, &rect, s->border.color);
}
if (TEST(cnt->flags, UG_CNT_RESIZE_TOP)) {
rect = cnt->rca;
rect.y -= b;
rect.x -= b;
rect.h = b;
rect.w += 2*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.x -= b;
rect.y += rect.h;
rect.h = b;
rect.w += 2*b;
push_rect_command(ctx, &rect, s->border.color);
}
// titlebar
if (TEST(cnt->flags, UG_CNT_MOVABLE)) {
// 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
@ -792,7 +848,6 @@ int ug_container_sidebar(ug_ctx_t *ctx, const char *name, ug_size_t size, int si
switch (side) {
case UG_SIDE_BOTTOM:
cnt->flags |= UG_CNT_RESIZE_TOP;
// FIXME: we do not support relative zero position yet
rect.y = -1;
rect.h = size_to_px(ctx, size);
break;
@ -962,6 +1017,7 @@ int ug_frame_begin(ug_ctx_t *ctx)
}
ug_rect_t r = c->rca;
EXPAND(r, SZ_INT(ctx->style_px->border.size));
if (INTERSECTS(v, r))
ctx->hover.cnt = c->id;
}
@ -1048,7 +1104,7 @@ int ug_frame_end(ug_ctx_t *ctx)
* +--------------------------------------------------------+
* | .<- r_orig |
* | . |
* | prev "partition" . |
* | previous element . |
* | . |
* |.............................. |
* |^ |
@ -1058,18 +1114,20 @@ int ug_frame_end(ug_ctx_t *ctx)
* | |
* | |
* | |
* | |
* | |
* | |
* | |
* | |
* | |
* | |
* | |
* | |
* | |
* +--------------------------------------------------------+
*
* Element Style:
*
* rca margin
* +-v--------------+<--->+----------------+
* | +------------+ | | +------------+ |
* | | | | | | | |
* | | | | | | | |
* | | | | | | | |
* | +------------+ | | +------------+ |
* +----------------+ +----------------+
* <->
* border
*/
@ -1113,7 +1171,7 @@ int ug_layout_next_row(ug_ctx_t *ctx)
GET_SELECTED_CONTAINER(ctx, cp);
cp->c_orig.x = cp->r_orig.x = L_MARGIN(cp->space, 0);
cp->c_orig.y = cp->r_orig.y = B_MARGIN(cp->space, -SZ_INT(ctx->style_px->margin));
cp->c_orig.y = cp->r_orig.y = B_MARGIN(cp->space, 0);
return 0;
}
@ -1126,7 +1184,7 @@ int ug_layout_next_column(ug_ctx_t *ctx)
ug_container_t *cp;
GET_SELECTED_CONTAINER(ctx, cp);
cp->c_orig.x = cp->r_orig.x = R_MARGIN(cp->space, -SZ_INT(ctx->style_px->margin));
cp->c_orig.x = cp->r_orig.x = R_MARGIN(cp->space, 0);
cp->c_orig.y = cp->r_orig.y = T_MARGIN(cp->space, 0);
return 0;
@ -1169,10 +1227,10 @@ static int position_element(ug_ctx_t *ctx, ug_container_t *cnt, ug_element_t *el
// if there is no space then return
if (TEST(cnt->flags, CNT_LAYOUT_COLUMN)) {
if (cnt->space.h >= cnt->rca.h)
if (cnt->space.w >= cnt->rca.w)
return -1;
} else {
if (cnt->space.w >= cnt->rca.w)
if (cnt->space.h >= cnt->rca.h)
return -1;
}
@ -1187,7 +1245,6 @@ static int position_element(ug_ctx_t *ctx, ug_container_t *cnt, ug_element_t *el
const ug_style_t *s = ctx->style_px;
int b = SZ_INT(s->border.size);
int m = SZ_INT(s->margin);
// TODO: different element borders
int cx, cy, cw, ch;
int eb = 0;
@ -1196,7 +1253,7 @@ static int position_element(ug_ctx_t *ctx, ug_container_t *cnt, ug_element_t *el
default: break;
}
// FIXME: this may not work
// FIXME: this does not work
cw = MAX(cnt->rca.w - cnt->space.w, 0);
ch = MAX(cnt->rca.h - cnt->space.h, 0);
if (TEST(cnt->flags, CNT_LAYOUT_COLUMN)) {
@ -1208,50 +1265,37 @@ static int position_element(ug_ctx_t *ctx, ug_container_t *cnt, ug_element_t *el
}
// handle relative sizes
if (rect->w == 0) rca->w = cw;
else rca->w += 2*eb;
if (rect->h == 0) rca->h = ch;
else rca->h += 2*eb;
if (rect->w == 0) rca->w = cw - 2*eb;
if (rect->h == 0) rca->h = ch - 2*eb;
// for elements x and y are offsets
rca->x = cx + rect->x;
rca->y = cy + rect->y;
rca->x = cx + rect->x + eb + m;
rca->y = cy + rect->y + eb + m;
// if the element was put outside of the container return, this can happen
// because of the element offset
if (OUTSIDE((*rca), 0, cnt->rca, b))
return -1;
if (R_MARGIN((*rca), 0) > R_MARGIN(cnt->rca, b))
rca->w = R_MARGIN(cnt->rca, b) - L_MARGIN((*rca), 0);
if (L_MARGIN((*rca), 0) < L_MARGIN(cnt->rca, b)) {
rca->x = L_MARGIN(cnt->rca, b);
rca->w -= L_MARGIN(cnt->rca, b) - L_MARGIN((*rca), 0);
}
if (T_MARGIN((*rca), 0) < T_MARGIN(cnt->rca, b)) {
rca->y = T_MARGIN(cnt->rca, b);
rca->h -= T_MARGIN(cnt->rca, b) - T_MARGIN((*rca), 0);
}
if (B_MARGIN((*rca), 0) > B_MARGIN(cnt->rca, b))
rca->h = B_MARGIN(cnt->rca, b) - T_MARGIN((*rca), 0);
elem->flags &= ~(ELEM_CLIPPED);
if (crop_rect(rca, &cnt->rca))
elem->flags |= ELEM_CLIPPED;
if (TEST(cnt->flags, CNT_LAYOUT_COLUMN)) {
cnt->c_orig.y += rca->h + m;
cnt->r_orig.x = R_MARGIN((*rca), 0) + m;
cnt->r_orig.y = T_MARGIN((*rca), 0);
cnt->c_orig.y = B_MARGIN((*rca), 0) + eb;
cnt->r_orig.x = R_MARGIN((*rca), 0) + eb;
cnt->r_orig.y = T_MARGIN((*rca), 0) + eb;
} else {
cnt->r_orig.x += rca->w + m;
cnt->c_orig.x = L_MARGIN((*rca), 0);
cnt->c_orig.y = B_MARGIN((*rca), 0) + m;
cnt->r_orig.x = R_MARGIN((*rca), 0) + eb;
cnt->c_orig.x = L_MARGIN((*rca), 0) + eb;
cnt->c_orig.y = B_MARGIN((*rca), 0) + eb;
}
if (B_MARGIN(cnt->space, 0) < B_MARGIN((*rca), 0))
cnt->space.h = B_MARGIN((*rca), 0) - T_MARGIN(cnt->space, 0);
if (R_MARGIN(cnt->space, 0) < R_MARGIN((*rca), 0))
cnt->space.w = R_MARGIN((*rca), 0) - L_MARGIN(cnt->space, 0);
// expand used space
if (R_MARGIN(cnt->space, 0) < R_MARGIN((*rca), -eb))
cnt->space.w = R_MARGIN((*rca), -eb) - L_MARGIN(cnt->space, 0);
if (B_MARGIN(cnt->space, 0) < B_MARGIN((*rca), -eb))
cnt->space.h = B_MARGIN((*rca), -eb) - T_MARGIN(cnt->space, 0);
return 0;
}
@ -1261,6 +1305,11 @@ static int position_element(ug_ctx_t *ctx, ug_container_t *cnt, ug_element_t *el
// generic function
int handle_element(ug_ctx_t *ctx, ug_container_t *cnt, ug_element_t *elem)
{
// if the contaniner is not the current hover then do nothing, think about
// floating cont. over bodies
if (ctx->hover.cnt != cnt->id)
return 0;
if (INTERSECTS(ctx->mouse.pos, elem->rca)) {
cnt->hover_elem = elem->id;
if (MOUSEDOWN(ctx, BTN_ANY))
@ -1286,17 +1335,16 @@ void draw_elements(ug_ctx_t *ctx, ug_container_t *cnt)
ug_color_t txtcol = RGB_FORMAT(0);
ug_rect_t r = e->rca;
int eb = 0, ts = 0;
unsigned char draw_bg = 0, draw_fg = 0, draw_txt = 0;
unsigned char draw_br = 0, draw_fg = 0, draw_txt = 0;
switch (e->type) {
case UG_ELEM_BUTTON:
// TODO: draw borders, different color for selected element
col = cnt->hover_elem == e->id ? s->btn.color.act : s->btn.color.bg;
bcol = cnt->selected_elem == e->id ? s->btn.color.sel : s->btn.color.br;
txtcol = s->btn.color.fg;
ts = SZ_INT(s->btn.font_size);
eb = SZ_INT(ctx->style_px->btn.border);
draw_bg = draw_fg = draw_txt = 1;
draw_br = draw_fg = draw_txt = 1;
break;
case UG_ELEM_TXTBTN:
ts = SZ_INT(s->btn.font_size);
@ -1305,21 +1353,26 @@ void draw_elements(ug_ctx_t *ctx, ug_container_t *cnt)
default: break;
}
if (draw_bg)
if (draw_br) {
r = (ug_rect_t){
.x = e->rca.x - eb,
.y = e->rca.y - eb,
.w = e->rca.w + 2*eb,
.h = e->rca.h + 2*eb,
};
if (TEST(e->flags, ELEM_CLIPPED))
crop_rect(&r, &cnt->rca);
push_rect_command(ctx, &r, bcol);
}
if (draw_fg) {
r = e->rca;
r.x += eb;
r.y += eb;
r.w -= 2*eb;
r.h -= 2*eb;
push_rect_command(ctx, &r, col);
}
if (draw_txt) {
push_text_command(ctx,
(ug_vec2_t){
.x = e->rca.x,
.y = e->rca.y+e->rca.h/2
.x = e->rca.x+eb,
.y = e->rca.y+eb+e->rca.h/2
},
ts,
txtcol,

12
ugui.h
Unescape View File

@ -29,7 +29,8 @@ typedef enum {
// element type
typedef struct {
ug_id_t id;
unsigned int type;
unsigned short int type;
unsigned short int flags;
ug_rect_t rect, rca;
const char *name;
union {
@ -53,6 +54,10 @@ enum {
UG_ELEM_SPACE, // takes up space
};
enum {
ELEM_CLIPPED = BIT(0),
};
// container type, a container is an entity that contains layouts, a container has
// a haight a width and their maximum values, in essence a container is a rectangular
@ -92,9 +97,10 @@ enum {
CNT_STATE_RESIZE_B = BIT(27),
CNT_STATE_RESIZE_L = BIT(26),
CNT_STATE_RESIZE_R = BIT(25),
CNT_STATE_DELETE = BIT(24), // The container is marked for removal
CNT_STATE_RESIZE_D = BIT(24),
CNT_STATE_DELETE = BIT(23), // The container is marked for removal
// layouting
CNT_LAYOUT_COLUMN = BIT(23),
CNT_LAYOUT_COLUMN = BIT(22),
};
// style, defines default height, width, color, margins, borders, etc

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