107 lines
2.6 KiB
C++
107 lines
2.6 KiB
C++
#include "pch.h"
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#include "log.h"
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#include "layout.h"
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#include "util.h"
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#include "asset.h"
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#include "node.h"
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#include "node_border.h"
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bool LayoutManager::load(const char* path)
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{
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auto abs_path = Asset::absolute(path);
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#if _WIN32 || __OSX__
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struct stat tmp_info;
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if (stat(abs_path.c_str(), &tmp_info) != 0)
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return false;
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if (tmp_info.st_mtime <= m_file_info.st_mtime)
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return false;
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m_file_info = tmp_info;
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#else
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if (m_loaded)
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return true; // already loaded
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#endif // __ANDROID__
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m_path = path;
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auto old = std::move(m_layouts);
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Asset file;
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if (!(file.open(path) && file.read_all()))
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return false;
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tinyxml2::XMLDocument xml;
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auto ret = xml.Parse((char*)file.m_data, file.m_len);
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file.close();
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if (ret != tinyxml2::XMLError::XML_SUCCESS)
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{
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return false;
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LOG("parsing xml failed");
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}
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LOG("parsing loaded xml");
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tinyxml2::XMLElement* current = xml.RootElement()->FirstChildElement();
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while (current)
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{
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auto id_str = current->Attribute("id");
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if (!id_str)
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{
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LOG("Layout node without id");
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return false;
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}
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//LOG("Parsing layout: %s", id_str);
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uint16_t id = const_hash(id_str);
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auto p = m_layouts.find(id);
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if (p == m_layouts.end())
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{
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auto& node = m_layouts[id];
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kWidget node_id = (kWidget)const_hash(current->Name());
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switch (node_id)
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{
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case kWidget::Border:
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node.reset(new NodeBorder());
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break;
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default:
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node.reset(new Node());
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break;
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}
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node->m_manager = this;
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// try to copy the old size values
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if (old.count(id))
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{
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const auto& old_node = *old[id];
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YGNodeCopyStyle(node->y_node, old_node.y_node);
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}
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node->load_internal(current);
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}
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else
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{
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LOG("Layout id \"%s\" duplicated", id_str);
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}
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current = current->NextSiblingElement("layout");
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}
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if (on_loaded)
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on_loaded();
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m_loaded = true;
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return true;
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}
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bool LayoutManager::reload()
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{
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// avoid conflict when assigning the same string from c_str
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std::string path_copy = m_path;
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return load(path_copy.c_str());
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}
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void LayoutManager::restore_context()
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{
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for (auto& node : m_layouts)
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node.second->restore_context();
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}
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void LayoutManager::clear_context()
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{
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for (auto& node : m_layouts)
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node.second->clear_context();
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}
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