65 lines
1.5 KiB
Plaintext
65 lines
1.5 KiB
Plaintext
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module ugui;
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fn void! Ctx.div_begin(&ctx, String label, Rect size)
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{
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Id id = hash(label);
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Elem *parent = ctx.get_parent()!;
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Elem* c_elem = ctx.get_elem(id)!;
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isz div_node = ctx.tree.add(id, ctx.active_div)!;
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ctx.active_div = div_node;
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// 1. Fill the element fields
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c_elem.type = ETYPE_DIV;
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// do layout and update flags only if the element was updated
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if (c_elem.flags.is_new || parent.flags.updated) {
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// 2. layout the element
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c_elem.bounds = ctx.position_element(parent, size);
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// 3. Mark the element as updated
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c_elem.flags.updated = true;
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// 4. Fill the div fields
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c_elem.div.layout = parent.div.layout;
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c_elem.div.origin_c = Point{
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.x = c_elem.bounds.x,
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.y = c_elem.bounds.y,
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};
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c_elem.div.color_bg = uint_to_rgba(0xff0000ff);
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c_elem.div.origin_r = c_elem.div.origin_c;
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}
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// Add the background to the draw stack
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Cmd cmd = {
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.type = CMD_RECT,
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.rect = {
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.rect = c_elem.bounds,
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.color = c_elem.div.color_bg,
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},
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};
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ctx.cmd_queue.enqueue(&cmd)!;
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// TODO: check active
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// TODO: check resizeable
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// TODO: check scrollbars
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// if the bounds are outside of the view then allocate space for scrollbars
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DivLayout old_layout = c_elem.div.layout;
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c_elem.div.layout = LAYOUT_FLOATING;
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c_elem.div.layout = old_layout;
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if (parent.flags.has_focus) {
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if (point_in_rect(ctx.input.mouse.pos, c_elem.bounds)) {
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c_elem.flags.has_focus = true;
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}
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}
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}
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fn void! Ctx.div_end(&ctx)
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{
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// the active_div returns to the parent of the current one
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ctx.active_div = ctx.tree.parentof(ctx.active_div)!;
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}
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