58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
#include <basic_widgets/core/math.hpp>
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#include <basic_widgets/w/aligned_layout.hpp>
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using namespace bwidgets;
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auto AlignedLayout::size() const noexcept -> Size
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{
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Size min_size {0, 0};
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if (alignment == Alignment::HORIZONTAL) {
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for (const auto* w : _widgets) {
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if (w->size().w > min_size.w) min_size.w = w->size().w;
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if (w->size().h > min_size.h) min_size.h = w->size().h;
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}
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return {(int)_widgets.size() * min_size.w
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+ ((int)_widgets.size() + 1) * margins.w,
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min_size.h + 2 * margins.h};
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}
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for (const auto* w : _widgets) {
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if (w->size().w > min_size.w) min_size.w = w->size().w;
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min_size.h += w->size().h;
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}
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return {min_size.w + 2 * margins.w,
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min_size.h + ((int)_widgets.size() + 1) * margins.h};
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}
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void AlignedLayout::_update_layout(const SDL_Rect& vp) noexcept
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{
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if (alignment == Alignment::HORIZONTAL) {
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int widget_width =
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(vp.w - ((int)_widgets.size() + 1) * margins.w) / (int)_widgets.size();
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for (std::vector<Widget*>::size_type i = 0; i < _widgets.size(); i++) {
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auto* w = _widgets[i];
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w->viewport({vp.x + margins.w + (int)i * (widget_width + margins.w),
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vp.y + center_line(vp.h, w->size().h), widget_width,
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w->size().h});
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}
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}
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else {
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int offset = 0;
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for (std::vector<Widget*>::size_type i = 0; i < _widgets.size(); i++) {
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auto* w = _widgets[i];
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w->viewport({
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vp.x,
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vp.y + ((int)i + 1) * margins.h + offset,
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vp.w,
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w->size().h,
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});
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offset += w->size().h;
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}
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}
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}
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