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46 lines
1.0 KiB
46 lines
1.0 KiB
3 weeks ago
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module ugui;
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// draw a button, return the events on that button
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fn ElemEvents! Ctx.button(&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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// add it to the tree
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ctx.tree.add(id, ctx.active_div)!;
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// 1. Fill the element fields
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// this resets the flags
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c_elem.type = ETYPE_BUTTON;
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Color bg_color = uint_to_rgba(0x0000ffff);
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// if the element is new or the parent was updated then redo layout
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if (c_elem.flags.is_new || parent.flags.updated) {
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// 2. Layout
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c_elem.rect = ctx.position_element(parent, size, true);
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// TODO: 3. Fill the button specific fields
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}
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c_elem.events = ctx.get_elem_events(c_elem);
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if (parent.flags.has_focus) {
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if (c_elem.events.mouse_hover) {
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c_elem.flags.has_focus = true;
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bg_color = uint_to_rgba(0x00ff00ff);
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}
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}
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// Draw the button
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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.rect,
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.color = bg_color,
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},
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};
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ctx.cmd_queue.enqueue(&cmd)!;
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return c_elem.events;
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}
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