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implemented adaptive size divs

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This commit is contained in:
Alessandro Mauri 2024-12-26 22:58:24 +01:00
parent 16adfd7cc5
commit 78e2c64da6
7 changed files with 279 additions and 113 deletions
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52
src/ugui_core.c3
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@ -7,17 +7,6 @@ import fifo;
import std::io;
import std::core::string;
struct Rect {
short x, y, w, h;
}
struct Point {
short x, y;
}
struct Color{
char r, g, b, a;
}
// element ids are just long ints
def Id = usz;
@ -144,45 +133,6 @@ struct Ctx {
isz active_div; // tree node indicating the current active div
}
macro point_in_rect(Point p, Rect r)
{
return (p.x >= r.x && p.x <= r.x + r.w) && (p.y >= r.y && p.y <= r.y + r.h);
}
// return true if rect a contains b
macro bool Rect.contains(Rect a, Rect b)
{
return (a.x <= b.x && a.y <= b.y && a.x+a.w >= b.x+b.w && a.y+a.h >= b.y+b.h);
}
macro Rect Rect.intersection(Rect a, Rect b)
{
return Rect{
.x = (short)max(a.x, b.x),
.y = (short)max(a.y, b.y),
.w = (short)min(a.x+a.w, b.x+b.w) - (short)max(a.x, b.x),
.h = (short)min(a.y+a.h, b.y+b.h) - (short)max(a.y, b.y),
};
}
// rect intersection not null
macro bool Rect.collides(Rect a, Rect b)
{
return !(a.x > b.x+b.w || a.x+a.w < b.x || a.y > b.y+b.h || a.y+a.h < b.y);
}
macro bool Rect.is_null(r) => r.x == 0 && r.y == 0 && r.x == 0 && r.w == 0;
macro Rect rect_add(Rect r1, Rect r2)
{
return Rect{
.x = r1.x + r2.x,
.y = r1.y + r2.y,
.w = r1.w + r2.w,
.h = r1.h + r2.h,
};
}
// return a pointer to the parent of the current active div
fn Elem*! Ctx.get_parent(&ctx)
{
@ -362,7 +312,7 @@ $endif
*>
macro bool Ctx.is_hovered(&ctx, Elem *elem)
{
return point_in_rect(ctx.input.mouse.pos, elem.bounds);
return ctx.input.mouse.pos.in_rect(elem.bounds);
}
macro bool Ctx.elem_focus(&ctx, Elem *elem)