78 lines
1.8 KiB
C++
78 lines
1.8 KiB
C++
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#include "LinearLayout.hh"
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LinearLayout::LinearLayout(int direction, int width, int height, std::string name)
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: View(width, height, std::move(name)), direction_(direction)
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{
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}
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LinearLayout::~LinearLayout()
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{
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}
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void LinearLayout::setChildPadding(int pad)
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{
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if (pad != padChildren_) {
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padChildren_ = pad;
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layout();
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}
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}
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void LinearLayout::layout()
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{
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// TODO: Respect parent padding
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if ((width_ == MATCH_PARENT) && parent_)
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realWidth_ = parent_->getRealWidth();
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if ((height_ == MATCH_PARENT) && parent_)
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realHeight_ = parent_->getRealHeight();
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if (direction_ == DIR_VERTICAL) {
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int contentWidth = 0;
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if (width_ == WRAP_CONTENT) {
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// Determine content width
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for(auto& ent : children_) {
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auto& child = *(std::get<1>(ent));
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assert(child.getHeight() != MATCH_PARENT);
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if (child.getWidth() == MATCH_PARENT)
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continue;
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if (child.getWidth() == WRAP_CONTENT)
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_layout(child);
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contentWidth = std::max(contentWidth, child.getRealWidth());
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}
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assert(contentWidth > 0);
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realWidth_ = contentWidth + padLeft_ + padRight_;
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printf("Inner width: %d, outer width: %d\n", contentWidth, realWidth_);
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}
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int currentY = padTop_;
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// Layout children
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for(auto& ent : children_) {
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auto& child = *(std::get<1>(ent));
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if (child.getWidth() == MATCH_PARENT)
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_layout(child);
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SDL_Rect cr;
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cr.x = padLeft_;
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cr.y = currentY;
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if ((realWidth_ - padLeft_ - padRight_) > child.getRealWidth())
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cr.w = child.getRealWidth();
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else
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cr.w = realWidth_ - padLeft_ - padRight_;
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cr.h = child.getRealHeight();
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std::get<2>(ent) = cr;
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currentY += child.getRealHeight() + padChildren_;
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}
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if (height_ == WRAP_CONTENT)
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realHeight_ = currentY - padChildren_ + padBottom_;
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}
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invalidateGL();
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}
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