diff options
Diffstat (limited to 'libs/litehtml/src/render_block_context.cpp')
| -rw-r--r-- | libs/litehtml/src/render_block_context.cpp | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/libs/litehtml/src/render_block_context.cpp b/libs/litehtml/src/render_block_context.cpp new file mode 100644 index 0000000000..205485d478 --- /dev/null +++ b/libs/litehtml/src/render_block_context.cpp @@ -0,0 +1,154 @@ +#include "html.h" +#include "render_block_context.h" +#include "document.h" + +int litehtml::render_item_block_context::_render_content(int /*x*/, int /*y*/, bool second_pass, const containing_block_context &self_size, formatting_context* fmt_ctx) +{ + element_position el_position; + + int ret_width = 0; + int child_top = 0; + int last_margin = 0; + std::shared_ptr<render_item> last_margin_el; + bool is_first = true; + for (const auto& el : m_children) + { + // we don't need to process absolute and fixed positioned element on the second pass + if (second_pass) + { + el_position = el->src_el()->css().get_position(); + if ((el_position == element_position_absolute || el_position == element_position_fixed)) continue; + } + + if(el->src_el()->css().get_float() != float_none) + { + int rw = place_float(el, child_top, self_size, fmt_ctx); + if (rw > ret_width) + { + ret_width = rw; + } + } else if(el->src_el()->css().get_display() != display_none) + { + if(el->src_el()->css().get_position() == element_position_absolute || el->src_el()->css().get_position() == element_position_fixed) + { + int min_rendered_width = el->render(0, child_top, self_size, fmt_ctx); + if(min_rendered_width < el->width() && el->src_el()->css().get_width().is_predefined()) + { + el->render(0, child_top, self_size.new_width(min_rendered_width), fmt_ctx); + } + } else + { + child_top = fmt_ctx->get_cleared_top(el, child_top); + int child_x = 0; + int child_width = self_size.render_width; + + el->calc_outlines(self_size.width); + + // Collapse top margin + if(is_first && collapse_top_margin()) + { + if(el->get_margins().top > 0) + { + child_top -= el->get_margins().top; + if (el->get_margins().top > get_margins().top) + { + m_margins.top = el->get_margins().top; + } + } + } else + { + if(el->get_margins().top > 0) + { + if (last_margin > el->get_margins().top) + { + child_top -= el->get_margins().top; + } else + { + child_top -= last_margin; + } + } + } + + if(el->src_el()->is_replaced() || el->src_el()->is_block_formatting_context() || el->src_el()->css().get_display() == display_table) + { + int ln_left = 0; + int ln_right = child_width; + fmt_ctx->get_line_left_right(child_top, child_width, ln_left, ln_right); + child_x = ln_left; + child_width = ln_right - ln_left; + + auto el_parent = el->parent(); + el->pos().width = el->src_el()->css().get_width().calc_percent(child_width); + el->pos().height = el->src_el()->css().get_height().calc_percent(el_parent ? el_parent->pos().height : 0); + } + + int rw = el->render(child_x, child_top, self_size.new_width(child_width), fmt_ctx); + // Render table with "width: auto" into returned width + if(el->src_el()->css().get_display() == display_table && rw < child_width && el->src_el()->css().get_width().is_predefined()) + { + el->render(child_x, child_top, self_size.new_width(rw), fmt_ctx); + } + int auto_margin = el->calc_auto_margins(child_width); + if(auto_margin) + { + el->pos().x += auto_margin; + } + if (rw > ret_width) + { + ret_width = rw; + } + child_top += el->height(); + last_margin = el->get_margins().bottom; + last_margin_el = el; + is_first = false; + + if (el->src_el()->css().get_position() == element_position_relative) + { + el->apply_relative_shift(self_size); + } + } + } + } + + if (self_size.height.type != containing_block_context::cbc_value_type_auto && self_size.height > 0) + { + m_pos.height = self_size.height; + } else + { + m_pos.height = child_top; + if(collapse_bottom_margin()) + { + m_pos.height -= last_margin; + if(m_margins.bottom < last_margin) + { + m_margins.bottom = last_margin; + } + if(last_margin_el) + { + last_margin_el->get_margins().bottom = 0; + } + } + } + + return ret_width; +} + +int litehtml::render_item_block_context::get_first_baseline() +{ + if(m_children.empty()) + { + return height() - margin_bottom(); + } + const auto &item = m_children.front(); + return content_offset_top() + item->top() + item->get_first_baseline(); +} + +int litehtml::render_item_block_context::get_last_baseline() +{ + if(m_children.empty()) + { + return height() - margin_bottom(); + } + const auto &item = m_children.back(); + return content_offset_top() + item->top() + item->get_last_baseline(); +} |