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work on button with label

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This commit is contained in:
Alessandro Mauri 2024-12-20 19:50:58 +01:00
parent ca691d1294
commit a0c6a3b2cb
6 changed files with 89 additions and 23 deletions
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41
src/ugui_button.c3
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@ -42,3 +42,44 @@ fn ElemEvents! Ctx.button(&ctx, String label, Rect size, bool state = false)
return elem.events;
}
fn ElemEvents! Ctx.button_label(&ctx, String label, Rect size = Rect{0,0,short.max,short.max}, bool state = false)
{
Id id = ctx.gen_id(label)!;
Elem *parent = ctx.get_parent()!;
Elem *elem = ctx.get_elem(id)!;
// add it to the tree
ctx.tree.add(id, ctx.active_div)!;
// 1. Fill the element fields
// this resets the flags
elem.type = ETYPE_BUTTON;
short line_height = (short)ctx.font.ascender - (short)ctx.font.descender;
Rect text_size = ctx.get_text_bounds(label)!;
Rect btn_size = rect_add(text_size, Rect{0,0,10,10});
// 2. Layout
elem.bounds = ctx.position_element(parent, btn_size, true);
if (elem.bounds.is_null()) { return ElemEvents{}; }
Color col = uint_to_rgba(0x0000ffff);
elem.events = ctx.get_elem_events(elem);
if (state) {
col = uint_to_rgba(0xff0000ff);
} else if (ctx.elem_focus(elem) || elem.events.mouse_hover) {
col = uint_to_rgba(0xff00ffff);
}
// Draw the button
text_size.x = elem.bounds.x;
text_size.y = elem.bounds.y;
Point off = ctx.center_text(text_size, elem.bounds);
text_size.x += off.x;
text_size.y += off.y;
ctx.push_rect(elem.bounds, col, do_border: true, do_radius: true)!;
ctx.push_string(text_size, label)!;
return elem.events;
}