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This commit is contained in:
Alessandro Mauri 2022-12-23 00:18:04 +01:00
parent e8c7a65f52
commit 29af23992e
2 changed files with 145 additions and 19 deletions
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113
ugui.c
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@ -171,6 +171,20 @@ static void update_style_cache(ug_ctx_t *ctx)
}
void scale_rect(ug_ctx_t *ctx, ug_rect_t *rect)
{
if (ctx->ppi != ctx->last_ppi) {
// if the scale has been updated than we need to scale the container
// as well
float scale = ctx->ppi / ctx->last_ppi;
rect->x = roundf(rect->x * scale);
rect->y = roundf(rect->y * scale);
rect->w = roundf(rect->w * scale);
rect->h = roundf(rect->h * scale);
}
}
/*=============================================================================*
* Command Operations *
*=============================================================================*/
@ -378,24 +392,16 @@ static void sort_containers(ug_ctx_t *ctx)
// update the container position in the context area
static int position_container(ug_ctx_t *ctx, ug_container_t *cnt)
{
if (!TEST(cnt->flags, UG_CNT_FLOATING))
if (!TEST(cnt->flags, UG_CNT_FLOATING)) {
// if there is no space left propagate the error
if (ctx->origin.w <= 0 || ctx->origin.h <= 0)
return -1;
}
ug_rect_t *rect, *rca;
rect = &cnt->rect;
rca = &cnt->rca;
if (ctx->ppi != ctx->last_ppi) {
// if the scale has been updated than we need to scale the container
// as well
float scale = ctx->ppi / ctx->last_ppi;
rect->x = roundf(rect->x * scale);
rect->y = roundf(rect->y * scale);
rect->w = roundf(rect->w * scale);
rect->h = roundf(rect->h * scale);
}
rect = &(cnt->rect);
rca = &(cnt->rca);
scale_rect(ctx, rect);
*rca = *rect;
@ -863,9 +869,11 @@ int ug_container_body(ug_ctx_t *ctx, const char *name)
int ug_container_remove(ug_ctx_t *ctx, const char *name)
{
TEST_CTX(ctx);
TEST_STR(name);
ug_id_t id = hash(name, strlen(name));
ug_id_t id = ctx->selected_cnt;
if (name)
id = hash(name, strlen(name));
ug_container_t *c = search_container(ctx, id);
if (c) {
c->flags |= CNT_STATE_DELETE;
@ -874,6 +882,23 @@ int ug_container_remove(ug_ctx_t *ctx, const char *name)
}
ug_rect_t ug_container_get_rect(ug_ctx_t *ctx, const char *name)
{
ug_rect_t r = {0};
if(!ctx)
return r;
ug_id_t id = ctx->selected_cnt;
if (name)
id = hash(name, strlen(name));
ug_container_t *c = search_container(ctx, id);
if (c)
r = c->rca;
return r;
}
/*=============================================================================*
* Input Handling *
*=============================================================================*/
@ -981,6 +1006,9 @@ int ug_frame_end(ug_ctx_t *ctx)
for (int i = 0; i < ctx->cnt_stack.idx; i++) {
ug_container_t *c = &ctx->cnt_stack.items[i];
draw_container(ctx, c, c->name);
// TODO: draw elements
// reset the layout to row
c->flags &= ~(CNT_LAYOUT_COLUMN);
}
ctx->input_text[0] = '\0';
@ -1009,3 +1037,58 @@ int ug_frame_end(ug_ctx_t *ctx)
return 0;
}
/*=============================================================================*
* Layouting *
*=============================================================================*/
#define GET_SELECTED_CONTAINER(ctx, cp) \
{ \
cp = search_container(ctx, ctx->selected_cnt); \
if (!cp) \
return -1; \
}
// set the layout to row
int ug_layout_row(ug_ctx_t *ctx)
{
TEST_CTX(ctx);
ug_container_t *cp;
GET_SELECTED_CONTAINER(ctx, cp);
cp->flags &= ~CNT_LAYOUT_COLUMN;
return 0;
}
// set the layout to column
int ug_layout_column(ug_ctx_t *ctx)
{
TEST_CTX(ctx);
ug_container_t *cp;
GET_SELECTED_CONTAINER(ctx, cp);
cp->flags |= CNT_LAYOUT_COLUMN;
return 0;
}
/*=============================================================================*
* Elements *
*=============================================================================*/
int ug_element_button(ug_ctx_t *ctx, const char *name, const char *txt, ug_div_t dim)
{
TEST_CTX(ctx);
TEST_STR(name);
ug_container_t *cp;
GET_SELECTED_CONTAINER(ctx, cp);
// TODO: this
return 0;
}