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begin work on elements

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master
Alessandro Mauri 1 year ago
parent 29af23992e
commit e00bd1046a
Signed by: alema
GPG Key ID: 2B7BF9531FF03BE8
3 changed files with 185 additions and 22 deletions
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  1. 36
      test/main.c
  2. 155
      ugui.c
  3. 16
      ugui.h

36
test/main.c
Unescape View File

@ -183,30 +183,34 @@ int main(void)
ug_frame_begin(ctx);
if (ctx->frame < 5000) {
ug_container_menu_bar(ctx, "Menu fichissimo", (ug_size_t)SIZE_PX(24));
} else if (ctx->frame == 5000) {
ug_container_remove(ctx, "Menu fichissimo");
}
//if (ctx->frame < 5000) {
// ug_container_menu_bar(ctx, "Menu fichissimo", (ug_size_t)SIZE_PX(24));
//} else if (ctx->frame == 5000) {
// 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_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, "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"))
printf("No space!\n");
//if (ug_container_body(ctx, "Other Body"))
// printf("No space!\n");
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_frame_end(ctx);

155
ugui.c
Unescape View File

@ -68,6 +68,11 @@ static const ug_style_t default_style = {
.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};
@ -1044,6 +1049,39 @@ int ug_frame_end(ug_ctx_t *ctx)
*=============================================================================*/
/*
* Container layout:
* A partition in the space taken up by the conglomerate of elements in
* between calls to new_row or new_column (no backing state, just an idea)
* +--------------------------------------------------------+
* | .<- r_orig |
* | . |
* | prev "partition" . |
* | . |
* |.............................. |
* |^ |
* |c_orig |
* | |
* | |
* | |
* | |
* | |
* | |
* | |
* | |
* | |
* | |
* | |
* | |
* | |
* | |
* | |
* +--------------------------------------------------------+
*
*/
#define GET_SELECTED_CONTAINER(ctx, cp) \
{ \
cp = search_container(ctx, ctx->selected_cnt); \
@ -1076,10 +1114,107 @@ int ug_layout_column(ug_ctx_t *ctx)
}
int ug_layout_next_row(ug_ctx_t *ctx)
{
TEST_CTX(ctx);
ug_container_t *cp;
GET_SELECTED_CONTAINER(ctx, cp);
cp->r_orig = cp->c_orig;
return 0;
}
int ug_layout_next_column(ug_ctx_t *ctx)
{
TEST_CTX(ctx);
ug_container_t *cp;
GET_SELECTED_CONTAINER(ctx, cp);
cp->c_orig = cp->r_orig;
return 0;
}
/*=============================================================================*
* Elements *
*=============================================================================*/
// search an element by id in the container's element stack and get it's address
static ug_element_t *search_element(ug_container_t *cnt, ug_id_t id)
{
ug_element_t *e = NULL;
for (int i = 0; i < cnt->elem_stack.idx; i++) {
if (cnt->elem_stack.items[i].id == id) {
e = &(cnt->elem_stack.items[i]);
break;
}
}
return e;
}
// get a new or existing container handle
static ug_element_t *get_element(ug_container_t *cnt, ug_id_t id)
{
ug_element_t *e = search_element(cnt, id);
if (!e) {
GET_FROM_STACK(cnt->elem_stack, e);
cnt->elem_stack.sorted = 0;
}
return e;
}
// update the element's position in the container area
static int position_element(ug_ctx_t *ctx, ug_container_t *cnt, ug_element_t *elem)
{
ug_rect_t *rect, *rca;
rect = &(elem->rect);
rca = &(elem->rca);
scale_rect(ctx, rect);
*rca = *rect;
const ug_style_t *s = ctx->style_px;
int b = s->button.border.size.i;
int cx, cy, cw, ch;
// FIXME: this may 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)) {
cx = cnt->c_orig.x;
cy = cnt->c_orig.y;
} else {
cx = cnt->r_orig.x;
cy = cnt->r_orig.y;
}
// handle relative sizes
if (rect->w == 0) rca->w = cw;
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;
cnt->c_orig.y += rca->h;
cnt->r_orig.x += rca->w;
cnt->space.w += rca->w;
cnt->space.h += rca->h;
return 0;
}
int ug_element_button(ug_ctx_t *ctx, const char *name, const char *txt, ug_div_t dim)
{
@ -1088,7 +1223,25 @@ int ug_element_button(ug_ctx_t *ctx, const char *name, const char *txt, ug_div_t
ug_container_t *cp;
GET_SELECTED_CONTAINER(ctx, cp);
printf("selected: %x\n", ctx->selected_cnt);
ug_id_t id = hash(name, strlen(name));
ug_element_t *elem = get_element(cp, id);
// FIXME: we don't always need to do everything
elem->id = id;
elem->type = UG_ELEM_BUTTON;
elem->rect = div_to_rect(ctx, &dim);
elem->name = name;
elem->btn.txt = txt;
// FIXME: what about error codes?
if (position_element(ctx, cp, elem)) {
DELETE_FROM_STACK(cp->elem_stack, elem);
return -1;
}
push_rect_command(ctx, &elem->rca, ctx->style_px->button.bg_color);
// TODO: this
return 0;
}

16
ugui.h
Unescape View File

@ -30,7 +30,12 @@ typedef struct {
ug_id_t id;
unsigned int type;
ug_rect_t rect, rca;
char *name, *content;
const char *name;
union {
struct {
const char *txt;
} btn;
};
} ug_element_t;
enum {
@ -60,9 +65,9 @@ typedef struct {
ug_rect_t rca;
unsigned int flags;
// layouting and elements
ug_rect_t orig; // origin and space available
int r, c; // row and column
UG_STACK(ug_element_t);
ug_vec2_t space; // total space used by elements
ug_vec2_t c_orig, r_orig; // origin for in-row and in-column elements
UG_STACK(ug_element_t) elem_stack;
} ug_container_t;
// the container flags
@ -114,7 +119,8 @@ typedef struct {
// a button should stand out, hence the different colors
struct {
ug_color_t bg_color, hover_color, active_color;
ug_size_t border;
ug_color_t br_color, bg_color, hover_color, active_color;
} button;
// a checkbox should be smaller than a button

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