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idk some stuff

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This commit is contained in:
Alessandro Mauri 2024-12-17 11:26:59 +01:00
parent c1a7b4fcdb
commit c0e9565bf6
12 changed files with 131 additions and 81 deletions
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63
src/ugui_div.c3
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@ -2,7 +2,39 @@ module ugui;
import std::io;
fn void! Ctx.div_begin(&ctx, String label, Rect size)
enum DivLayout {
LAYOUT_ROW,
LAYOUT_COLUMN,
LAYOUT_FLOATING,
}
// div element
struct ElemDiv {
DivLayout layout;
struct scroll {
bool can_x;
bool can_y;
bool on_x;
bool on_y;
float value_x;
float value_y;
}
Rect children_bounds;
Point origin_r, origin_c;
Color bgcolor;
}
const Elem DIV_DEFAULTS = {
.type = ETYPE_DIV,
.div = {
.scroll.can_x = false,
.scroll.can_y = false,
.scroll.value_x = 0,
.scroll.value_y = 0,
},
};
fn void! Ctx.div_begin(&ctx, String label, Rect size, bool scroll_x = false, bool scroll_y = false)
{
Id id = label.hash();
@ -11,21 +43,22 @@ fn void! Ctx.div_begin(&ctx, String label, Rect size)
isz div_node = ctx.tree.add(id, ctx.active_div)!;
ctx.active_div = div_node;
// 1. Fill the element fields
c_elem.type = ETYPE_DIV;
bool needs_layout = c_elem.flags.is_new || parent.flags.updated;
if (c_elem.flags.is_new) {
*c_elem = DIV_DEFAULTS;
} else if (c_elem.type != ETYPE_DIV) {
return UgError.WRONG_ELEMENT_TYPE?;
}
c_elem.div.scroll.can_x = scroll_x;
c_elem.div.scroll.can_y = scroll_y;
// do layout and update flags only if the element was updated
if (c_elem.flags.is_new || parent.flags.updated) {
if (needs_layout) {
// 2. layout the element
c_elem.bounds = ctx.position_element(parent, size);
if (c_elem.flags.is_new) {
c_elem.div.children_bounds = c_elem.bounds;
c_elem.div.color_bg = ctx.style.bgcolor;
c_elem.div.scroll.can_x = false;
c_elem.div.scroll.can_y = false;
c_elem.div.scroll.value_x = 0;
c_elem.div.scroll.value_y = 0;
}
c_elem.div.children_bounds = c_elem.bounds;
c_elem.div.bgcolor = ctx.style.bgcolor;
// 3. Mark the element as updated
c_elem.flags.updated = true;
@ -39,14 +72,14 @@ fn void! Ctx.div_begin(&ctx, String label, Rect size)
}
// Add the background to the draw stack
bool do_border = parent.div.layout == LAYOUT_FLOATING;
ctx.push_rect(c_elem.bounds, c_elem.div.color_bg, do_border: do_border)!;
bool do_border = parent.div.layout == LAYOUT_FLOATING;
ctx.push_rect(c_elem.bounds, c_elem.div.bgcolor, do_border: do_border)!;
// TODO: check active
// TODO: check resizeable
// check and draw scroll bars
if (!rect_contains(c_elem.bounds, c_elem.div.children_bounds)) {
if (!c_elem.bounds.contains(c_elem.div.children_bounds)) {
Point cbc = {
.x = c_elem.div.children_bounds.x + c_elem.div.children_bounds.w,
.y = c_elem.div.children_bounds.y + c_elem.div.children_bounds.h,