1625 lines
45 KiB
C++
1625 lines
45 KiB
C++
/*
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* Window Manager Implementation
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* Nana C++ Library(http://www.nanapro.org)
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* Copyright(C) 2003-2016 Jinhao(cnjinhao@hotmail.com)
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*
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* Distributed under the Boost Software License, Version 1.0.
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* (See accompanying file LICENSE_1_0.txt or copy at
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* http://www.boost.org/LICENSE_1_0.txt)
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*
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* @file: nana/gui/detail/window_manager.cpp
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* @contributors: Katsuhisa Yuasa
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*/
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#include <nana/config.hpp>
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#include <nana/gui/detail/bedrock.hpp>
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#include <nana/gui/detail/events_operation.hpp>
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#include <nana/gui/detail/handle_manager.hpp>
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#include <nana/gui/detail/window_manager.hpp>
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#include <nana/gui/detail/native_window_interface.hpp>
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#include <nana/gui/detail/inner_fwd_implement.hpp>
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#include <nana/gui/layout_utility.hpp>
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#include <nana/gui/detail/effects_renderer.hpp>
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#include <stdexcept>
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#include <algorithm>
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namespace nana
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{
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namespace detail
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{
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template<typename Key, typename Value>
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class lite_map
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{
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struct key_value_rep
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{
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Key first;
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Value second;
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key_value_rep()
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: first{}, second{}
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{}
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key_value_rep(const Key& k)
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: first(k), second{}
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{
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}
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};
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public:
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using iterator = typename std::vector<key_value_rep>::iterator;
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Value& operator[](const Key& key)
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{
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for (auto& kv : table_)
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{
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if (kv.first == key)
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return kv.second;
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}
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table_.emplace_back(key);
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return table_.back().second;
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}
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iterator find(const Key& key)
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{
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for (auto i = table_.begin(); i != table_.end(); ++i)
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if (i->first == key)
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return i;
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return table_.end();
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}
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iterator erase(iterator pos)
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{
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return table_.erase(pos);
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}
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iterator begin()
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{
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return table_.begin();
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}
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iterator end()
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{
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return table_.end();
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}
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private:
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std::vector<key_value_rep> table_;
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};
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//class window_manager
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struct window_handle_deleter
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{
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void operator()(basic_window* wd) const
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{
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delete wd;
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}
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};
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//struct wdm_private_impl
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struct window_manager::wdm_private_impl
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{
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root_register misc_register;
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handle_manager<core_window_t*, window_manager, window_handle_deleter> wd_register;
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paint::image default_icon_big;
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paint::image default_icon_small;
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lite_map<core_window_t*, std::vector<std::function<void()>>> safe_place;
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};
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//end struct wdm_private_impl
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//class revertible_mutex
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window_manager::revertible_mutex::revertible_mutex()
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{
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thr_.tid = 0;
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thr_.refcnt = 0;
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}
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void window_manager::revertible_mutex::lock()
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{
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std::recursive_mutex::lock();
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if(0 == thr_.tid)
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thr_.tid = nana::system::this_thread_id();
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++thr_.refcnt;
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}
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bool window_manager::revertible_mutex::try_lock()
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{
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if(std::recursive_mutex::try_lock())
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{
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if(0 == thr_.tid)
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thr_.tid = nana::system::this_thread_id();
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++thr_.refcnt;
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return true;
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}
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return false;
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}
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void window_manager::revertible_mutex::unlock()
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{
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if(thr_.tid == nana::system::this_thread_id())
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if(0 == --thr_.refcnt)
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thr_.tid = 0;
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std::recursive_mutex::unlock();
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}
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void window_manager::revertible_mutex::revert()
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{
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if(thr_.refcnt && (thr_.tid == nana::system::this_thread_id()))
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{
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std::size_t cnt = thr_.refcnt;
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stack_.push_back(thr_);
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thr_.tid = 0;
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thr_.refcnt = 0;
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for(std::size_t i = 0; i < cnt; ++i)
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std::recursive_mutex::unlock();
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}
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}
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void window_manager::revertible_mutex::forward()
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{
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std::recursive_mutex::lock();
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if(stack_.size())
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{
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auto thr = stack_.back();
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if(thr.tid == nana::system::this_thread_id())
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{
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stack_.pop_back();
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for(std::size_t i = 0; i < thr.refcnt; ++i)
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std::recursive_mutex::lock();
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thr_ = thr;
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}
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else
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throw std::runtime_error("Nana.GUI: The forward is not matched.");
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}
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std::recursive_mutex::unlock();
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}
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//end class revertible_mutex
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//Utilities in this unit.
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namespace utl
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{
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template<typename T>
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bool erase(std::vector<T>& container, T value)
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{
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for (auto i = container.begin(), end = container.end(); i != end; ++i)
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{
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if ((*i) == value)
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{
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container.erase(i);
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return true;
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}
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}
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return false;
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}
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}
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window_manager::window_manager()
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: impl_(new wdm_private_impl)
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{
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attr_.capture.window = nullptr;
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attr_.capture.ignore_children = true;
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menu_.window = nullptr;
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menu_.owner = nullptr;
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menu_.has_keyboard = false;
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}
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window_manager::~window_manager()
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{
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delete impl_;
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}
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bool window_manager::is_queue(core_window_t* wd)
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{
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return (wd && (category::flags::root == wd->other.category));
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}
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std::size_t window_manager::number_of_core_window() const
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{
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return impl_->wd_register.size();
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}
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window_manager::mutex_type& window_manager::internal_lock() const
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{
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return mutex_;
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}
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void window_manager::all_handles(std::vector<core_window_t*> &v) const
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{
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impl_->wd_register.all(v);
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}
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void window_manager::event_filter(core_window_t* wd, bool is_make, event_code evtid)
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{
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switch(evtid)
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{
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case event_code::mouse_drop:
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wd->flags.dropable = (is_make || (0 != wd->together.events_ptr->mouse_dropfiles.length()));
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break;
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default:
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break;
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}
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}
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bool window_manager::available(core_window_t* wd)
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{
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return impl_->wd_register.available(wd);
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}
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bool window_manager::available(core_window_t * a, core_window_t* b)
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{
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return (impl_->wd_register.available(a) && impl_->wd_register.available(b));
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}
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bool window_manager::available(native_window_type wd)
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{
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if(wd)
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{
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std::lock_guard<decltype(mutex_)> lock(mutex_);
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return (impl_->misc_register.find(wd) != nullptr);
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}
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return false;
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}
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window_manager::core_window_t* window_manager::create_root(core_window_t* owner, bool nested, rectangle r, const appearance& app, widget* wdg)
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{
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native_window_type native = nullptr;
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if (owner)
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{
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//Thread-Safe Required!
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std::lock_guard<decltype(mutex_)> lock(mutex_);
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if (impl_->wd_register.available(owner))
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{
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if (owner->flags.destroying)
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throw std::runtime_error("the specified owner is destory");
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native = (category::flags::frame == owner->other.category ?
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owner->other.attribute.frame->container : owner->root_widget->root);
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r.x += owner->pos_root.x;
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r.y += owner->pos_root.y;
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}
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else
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owner = nullptr;
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}
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auto result = native_interface::create_window(native, nested, r, app);
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if (result.native_handle)
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{
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core_window_t* wd = new core_window_t(owner, widget_notifier_interface::get_notifier(wdg), (category::root_tag**)nullptr);
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if (nested)
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{
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wd->owner = nullptr;
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wd->parent = owner;
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wd->index = static_cast<unsigned>(owner->children.size());
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owner->children.push_back(wd);
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}
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wd->flags.take_active = !app.no_activate;
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wd->title = native_interface::window_caption(result.native_handle);
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//Thread-Safe Required!
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std::lock_guard<decltype(mutex_)> lock(mutex_);
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//create Root graphics Buffer and manage it
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root_misc misc(wd, result.width, result.height);
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auto* value = impl_->misc_register.insert(result.native_handle, misc);
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wd->bind_native_window(result.native_handle, result.width, result.height, result.extra_width, result.extra_height, value->root_graph);
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impl_->wd_register.insert(wd, wd->thread_id);
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if (owner && (category::flags::frame == owner->other.category))
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insert_frame(owner, wd);
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bedrock::inc_window(wd->thread_id);
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this->icon(wd, impl_->default_icon_small, impl_->default_icon_big);
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return wd;
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}
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return nullptr;
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}
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window_manager::core_window_t* window_manager::create_frame(core_window_t* parent, const rectangle& r, widget* wdg)
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{
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//Thread-Safe Required!
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std::lock_guard<decltype(mutex_)> lock(mutex_);
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if (impl_->wd_register.available(parent) == false) return nullptr;
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core_window_t * wd = new core_window_t(parent, widget_notifier_interface::get_notifier(wdg), r, (category::frame_tag**)nullptr);
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wd->frame_window(native_interface::create_child_window(parent->root, rectangle(wd->pos_root.x, wd->pos_root.y, r.width, r.height)));
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impl_->wd_register.insert(wd, wd->thread_id);
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//Insert the frame_widget into its root frames container.
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wd->root_widget->other.attribute.root->frames.push_back(wd);
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return (wd);
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}
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bool window_manager::insert_frame(core_window_t* frame, native_window wd)
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{
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if(frame)
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{
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//Thread-Safe Required!
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std::lock_guard<decltype(mutex_)> lock(mutex_);
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if(category::flags::frame == frame->other.category)
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frame->other.attribute.frame->attach.push_back(wd);
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return true;
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}
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return false;
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}
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bool window_manager::insert_frame(core_window_t* frame, core_window_t* wd)
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{
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if(frame)
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{
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//Thread-Safe Required!
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std::lock_guard<decltype(mutex_)> lock(mutex_);
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if(category::flags::frame == frame->other.category)
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{
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if (impl_->wd_register.available(wd) && (category::flags::root == wd->other.category) && wd->root != frame->root)
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{
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frame->other.attribute.frame->attach.push_back(wd->root);
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return true;
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}
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}
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}
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return false;
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}
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window_manager::core_window_t* window_manager::create_widget(core_window_t* parent, const rectangle& r, bool is_lite, widget* wdg)
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{
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//Thread-Safe Required!
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std::lock_guard<decltype(mutex_)> lock(mutex_);
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if (impl_->wd_register.available(parent) == false)
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throw std::invalid_argument("invalid parent/owner handle");
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if (parent->flags.destroying)
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throw std::logic_error("the specified parent is destory");
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auto wdg_notifier = widget_notifier_interface::get_notifier(wdg);
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core_window_t * wd;
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if (is_lite)
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wd = new core_window_t(parent, std::move(wdg_notifier), r, (category::lite_widget_tag**)nullptr);
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else
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wd = new core_window_t(parent, std::move(wdg_notifier), r, (category::widget_tag**)nullptr);
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impl_->wd_register.insert(wd, wd->thread_id);
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return wd;
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}
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void window_manager::close(core_window_t *wd)
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{
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//Thread-Safe Required!
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std::lock_guard<decltype(mutex_)> lock(mutex_);
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if (impl_->wd_register.available(wd) == false) return;
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if (wd->flags.destroying)
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return;
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if(category::flags::root == wd->other.category)
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{
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auto &brock = bedrock::instance();
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arg_unload arg;
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arg.window_handle = reinterpret_cast<window>(wd);
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arg.cancel = false;
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brock.emit(event_code::unload, wd, arg, true, brock.get_thread_context());
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if (false == arg.cancel)
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{
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//Before close the window, its owner window should be actived, otherwise other window will be
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//activated due to the owner window is not enabled.
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if(wd->flags.modal || (wd->owner == nullptr) || wd->owner->flags.take_active)
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native_interface::activate_owner(wd->root);
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if (!wd->flags.destroying)
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{
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//Close should detach the drawer and send destroy signal to widget object.
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//Otherwise, when a widget object is been deleting in other thread by delete operator, the object will be destroyed
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//before the window_manager destroyes the window, and then, window_manager detaches the
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//non-existing drawer_trigger which is destroyed by destruction of widget. Crash!
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wd->drawer.detached();
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wd->widget_notifier->destroy();
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}
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native_interface::close_window(wd->root);
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}
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}
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else
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destroy(wd);
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}
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//destroy
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//@brief: Delete the window handle
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void window_manager::destroy(core_window_t* wd)
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{
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//Thread-Safe Required!
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std::lock_guard<decltype(mutex_)> lock(mutex_);
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if (impl_->wd_register.available(wd) == false) return;
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rectangle update_area(wd->pos_owner, wd->dimension);
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auto parent = wd->parent;
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if (parent)
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utl::erase(parent->children, wd);
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_m_destroy(wd);
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while (parent && (parent->other.category == ::nana::category::flags::lite_widget))
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{
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update_area.x += parent->pos_owner.x;
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update_area.y += parent->pos_owner.y;
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parent = parent->parent;
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}
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update(parent, false, false, &update_area);
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}
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void window_manager::destroy_handle(core_window_t* wd)
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{
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//Thread-Safe Required!
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std::lock_guard<decltype(mutex_)> lock(mutex_);
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if (impl_->wd_register.available(wd) == false) return;
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if((category::flags::root == wd->other.category) || (category::flags::frame != wd->other.category))
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{
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impl_->misc_register.erase(wd->root);
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impl_->wd_register.remove(wd);
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}
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}
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void window_manager::default_icon(const nana::paint::image& _small, const nana::paint::image& big)
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{
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impl_->default_icon_big = big;
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impl_->default_icon_small = _small;
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}
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void window_manager::icon(core_window_t* wd, const paint::image& small_icon, const paint::image& big_icon)
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{
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if(!big_icon.empty() || !small_icon.empty())
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{
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std::lock_guard<decltype(mutex_)> lock(mutex_);
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if (impl_->wd_register.available(wd))
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{
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if(category::flags::root == wd->other.category)
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native_interface::window_icon(wd->root, small_icon, big_icon);
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}
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}
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}
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//show
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//@brief: show or hide a window
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bool window_manager::show(core_window_t* wd, bool visible)
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{
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//Thread-Safe Required!
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std::lock_guard<decltype(mutex_)> lock(mutex_);
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if (!impl_->wd_register.available(wd))
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return false;
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if(visible != wd->visible)
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{
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native_window_type nv = nullptr;
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switch(wd->other.category)
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{
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case category::flags::root:
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nv = wd->root; break;
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case category::flags::frame:
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nv = wd->other.attribute.frame->container; break;
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default: //category::widget_tag, category::lite_widget_tag
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break;
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}
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if(visible && wd->effect.bground)
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window_layer::make_bground(wd);
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//Don't set the visible attr of a window if it is a root.
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//The visible attr of a root will be set in the expose event.
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if(category::flags::root != wd->other.category)
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bedrock::instance().event_expose(wd, visible);
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if(nv)
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native_interface::show_window(nv, visible, wd->flags.take_active);
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}
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return true;
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}
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window_manager::core_window_t* window_manager::find_window(native_window_type root, int x, int y)
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{
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if (nullptr == root)
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return nullptr;
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if((false == attr_.capture.ignore_children) || (nullptr == attr_.capture.window) || (attr_.capture.window->root != root))
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{
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//Thread-Safe Required!
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std::lock_guard<decltype(mutex_)> lock(mutex_);
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auto rrt = root_runtime(root);
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point pos{ x, y };
|
|
if (rrt && _m_effective(rrt->window, pos))
|
|
return _m_find(rrt->window, pos);
|
|
}
|
|
return attr_.capture.window;
|
|
}
|
|
|
|
//move the wnd and its all children window, x and y is a relatively coordinate for wnd's parent window
|
|
bool window_manager::move(core_window_t* wd, int x, int y, bool passive)
|
|
{
|
|
//Thread-Safe Required!
|
|
std::lock_guard<decltype(mutex_)> lock(mutex_);
|
|
if (impl_->wd_register.available(wd))
|
|
{
|
|
if (category::flags::root != wd->other.category)
|
|
{
|
|
//Move child widgets
|
|
if (x != wd->pos_owner.x || y != wd->pos_owner.y)
|
|
{
|
|
point delta{ x - wd->pos_owner.x, y - wd->pos_owner.y };
|
|
|
|
wd->pos_owner.x = x;
|
|
wd->pos_owner.y = y;
|
|
_m_move_core(wd, delta);
|
|
|
|
auto &brock = bedrock::instance();
|
|
arg_move arg;
|
|
arg.window_handle = reinterpret_cast<window>(wd);
|
|
arg.x = x;
|
|
arg.y = y;
|
|
brock.emit(event_code::move, wd, arg, true, brock.get_thread_context());
|
|
return true;
|
|
}
|
|
}
|
|
else if (!passive)
|
|
{
|
|
//Check if this root is a nested
|
|
if (wd->parent && (category::flags::root != wd->parent->other.category))
|
|
{
|
|
//The parent of the window is not a root, the position should
|
|
//be transformed to a position based on its parent.
|
|
|
|
x += wd->parent->pos_root.x;
|
|
y += wd->parent->pos_root.y;
|
|
}
|
|
|
|
native_interface::move_window(wd->root, x, y);
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool window_manager::move(core_window_t* wd, const rectangle& r)
|
|
{
|
|
//Thread-Safe Required!
|
|
std::lock_guard<decltype(mutex_)> lock(mutex_);
|
|
if (!impl_->wd_register.available(wd))
|
|
return false;
|
|
|
|
auto & brock = bedrock::instance();
|
|
bool moved = false;
|
|
const bool size_changed = (r.width != wd->dimension.width || r.height != wd->dimension.height);
|
|
if(category::flags::root != wd->other.category)
|
|
{
|
|
//Move child widgets
|
|
if(r.x != wd->pos_owner.x || r.y != wd->pos_owner.y)
|
|
{
|
|
point delta{ r.x - wd->pos_owner.x, r.y - wd->pos_owner.y };
|
|
wd->pos_owner.x = r.x;
|
|
wd->pos_owner.y = r.y;
|
|
_m_move_core(wd, delta);
|
|
moved = true;
|
|
|
|
arg_move arg;
|
|
arg.window_handle = reinterpret_cast<window>(wd);
|
|
arg.x = r.x;
|
|
arg.y = r.y;
|
|
brock.emit(event_code::move, wd, arg, true, brock.get_thread_context());
|
|
}
|
|
|
|
if(size_changed)
|
|
size(wd, nana::size{r.width, r.height}, true, false);
|
|
}
|
|
else
|
|
{
|
|
::nana::rectangle root_r = r;
|
|
//Move event should not get called here,
|
|
//because the window is a root, the event will get called by system event handler.
|
|
|
|
//Check if this root is a nested
|
|
if (wd->parent && (category::flags::root != wd->parent->other.category))
|
|
{
|
|
//The parent of the window is not a root, the position should
|
|
//be transformed to a position based on its parent.
|
|
|
|
root_r.x += wd->parent->pos_root.x;
|
|
root_r.y += wd->parent->pos_root.y;
|
|
}
|
|
|
|
if(size_changed)
|
|
{
|
|
wd->dimension.width = root_r.width;
|
|
wd->dimension.height = root_r.height;
|
|
wd->drawer.graphics.make(wd->dimension);
|
|
wd->root_graph->make(wd->dimension);
|
|
native_interface::move_window(wd->root, root_r);
|
|
|
|
arg_resized arg;
|
|
arg.window_handle = reinterpret_cast<window>(wd);
|
|
arg.width = root_r.width;
|
|
arg.height = root_r.height;
|
|
brock.emit(event_code::resized, wd, arg, true, brock.get_thread_context());
|
|
}
|
|
else
|
|
native_interface::move_window(wd->root, root_r.x, root_r.y);
|
|
}
|
|
|
|
return (moved || size_changed);
|
|
}
|
|
|
|
//size
|
|
//@brief: Size a window
|
|
//@param: passive, if it is true, the function would not change the size if wd is a root_widget.
|
|
// e.g, when the size of window is changed by OS/user, the function should not resize the
|
|
// window again, otherwise, it causes an infinite loop, because when a root_widget is resized,
|
|
// window_manager will call the function.
|
|
bool window_manager::size(core_window_t* wd, nana::size sz, bool passive, bool ask_update)
|
|
{
|
|
//Thread-Safe Required!
|
|
std::lock_guard<decltype(mutex_)> lock(mutex_);
|
|
if (!impl_->wd_register.available(wd))
|
|
return false;
|
|
|
|
auto & brock = bedrock::instance();
|
|
if (sz != wd->dimension)
|
|
{
|
|
arg_resizing arg;
|
|
arg.window_handle = reinterpret_cast<window>(wd);
|
|
arg.border = window_border::none;
|
|
arg.width = sz.width;
|
|
arg.height = sz.height;
|
|
brock.emit(event_code::resizing, wd, arg, false, brock.get_thread_context());
|
|
sz.width = arg.width;
|
|
sz.height = arg.height;
|
|
}
|
|
|
|
if(wd->max_track_size.width && wd->max_track_size.height)
|
|
{
|
|
if(sz.width > wd->max_track_size.width)
|
|
sz.width = wd->max_track_size.width;
|
|
if(sz.height > wd->max_track_size.height)
|
|
sz.height = wd->max_track_size.height;
|
|
}
|
|
if(wd->min_track_size.width && wd->min_track_size.height)
|
|
{
|
|
if(sz.width < wd->min_track_size.width)
|
|
sz.width = wd->min_track_size.width;
|
|
if(sz.height < wd->min_track_size.height)
|
|
sz.height = wd->min_track_size.height;
|
|
}
|
|
|
|
if (wd->dimension == sz)
|
|
return false;
|
|
|
|
wd->dimension = sz;
|
|
|
|
if(category::flags::lite_widget != wd->other.category)
|
|
{
|
|
bool graph_state = wd->drawer.graphics.empty();
|
|
wd->drawer.graphics.make(sz);
|
|
|
|
//It shall make a typeface_changed() call when the graphics state is changing.
|
|
//Because when a widget is created with zero-size, it may get some wrong result in typeface_changed() call
|
|
//due to the invaliable graphics object.
|
|
if(graph_state != wd->drawer.graphics.empty())
|
|
wd->drawer.typeface_changed();
|
|
|
|
if(category::flags::root == wd->other.category)
|
|
{
|
|
wd->root_graph->make(sz);
|
|
if(false == passive)
|
|
native_interface::window_size(wd->root, sz + nana::size(wd->extra_width, wd->extra_height));
|
|
}
|
|
else if(category::flags::frame == wd->other.category)
|
|
{
|
|
native_interface::window_size(wd->other.attribute.frame->container, sz);
|
|
for(auto natwd : wd->other.attribute.frame->attach)
|
|
native_interface::window_size(natwd, sz);
|
|
}
|
|
else
|
|
{
|
|
//update the bground buffer of glass window.
|
|
if(wd->effect.bground && wd->parent)
|
|
{
|
|
wd->other.glass_buffer.make(sz);
|
|
window_layer::make_bground(wd);
|
|
}
|
|
}
|
|
}
|
|
|
|
arg_resized arg;
|
|
arg.window_handle = reinterpret_cast<window>(wd);
|
|
arg.width = sz.width;
|
|
arg.height = sz.height;
|
|
brock.emit(event_code::resized, wd, arg, ask_update, brock.get_thread_context());
|
|
return true;
|
|
}
|
|
|
|
window_manager::core_window_t* window_manager::root(native_window_type wd) const
|
|
{
|
|
static std::pair<native_window_type, core_window_t*> cache;
|
|
if(cache.first == wd) return cache.second;
|
|
|
|
//Thread-Safe Required!
|
|
std::lock_guard<decltype(mutex_)> lock(mutex_);
|
|
|
|
auto rrt = root_runtime(wd);
|
|
if(rrt)
|
|
{
|
|
cache.first = wd;
|
|
cache.second = rrt->window;
|
|
return cache.second;
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
//Copy the root buffer that wnd specified into DeviceContext
|
|
void window_manager::map(core_window_t* wd, bool forced, const rectangle* update_area)
|
|
{
|
|
//Thread-Safe Required!
|
|
std::lock_guard<decltype(mutex_)> lock(mutex_);
|
|
if (impl_->wd_register.available(wd) && !wd->is_draw_through())
|
|
{
|
|
auto parent = wd->parent;
|
|
while (parent)
|
|
{
|
|
if (parent->flags.refreshing)
|
|
return;
|
|
parent = parent->parent;
|
|
}
|
|
|
|
bedrock::instance().flush_surface(wd, forced, update_area);
|
|
}
|
|
}
|
|
|
|
//update
|
|
//@brief: update is used for displaying the screen-off buffer.
|
|
// Because of a good efficiency, if it is called in an event procedure and the event procedure window is the
|
|
// same as update's, update would not map the screen-off buffer and just set the window for lazy refresh
|
|
bool window_manager::update(core_window_t* wd, bool redraw, bool forced, const rectangle* update_area)
|
|
{
|
|
//Thread-Safe Required!
|
|
std::lock_guard<decltype(mutex_)> lock(mutex_);
|
|
if (impl_->wd_register.available(wd) == false) return false;
|
|
|
|
if (wd->displayed())
|
|
{
|
|
if(forced || (false == wd->belong_to_lazy()))
|
|
{
|
|
if (!wd->flags.refreshing)
|
|
{
|
|
window_layer::paint(wd, redraw, false);
|
|
this->map(wd, forced, update_area);
|
|
return true;
|
|
}
|
|
else if (forced)
|
|
{
|
|
window_layer::paint(wd, false, false);
|
|
this->map(wd, true, update_area);
|
|
return true;
|
|
}
|
|
}
|
|
else if (redraw)
|
|
window_layer::paint(wd, true, false);
|
|
|
|
if (wd->other.upd_state == core_window_t::update_state::lazy)
|
|
wd->other.upd_state = core_window_t::update_state::refresh;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void window_manager::refresh_tree(core_window_t* wd)
|
|
{
|
|
//Thread-Safe Required!
|
|
std::lock_guard<decltype(mutex_)> lock(mutex_);
|
|
|
|
//It's not worthy to redraw if visible is false
|
|
if (impl_->wd_register.available(wd) && wd->displayed())
|
|
window_layer::paint(wd, true, true);
|
|
}
|
|
|
|
//do_lazy_refresh
|
|
//@brief: defined a behavior of flush the screen
|
|
//@return: it returns true if the wnd is available
|
|
bool window_manager::do_lazy_refresh(core_window_t* wd, bool force_copy_to_screen, bool refresh_tree)
|
|
{
|
|
//Thread-Safe Required!
|
|
std::lock_guard<decltype(mutex_)> lock(mutex_);
|
|
|
|
if (false == impl_->wd_register.available(wd))
|
|
return false;
|
|
|
|
//It's not worthy to redraw if visible is false
|
|
if(wd->visible && (!wd->is_draw_through()))
|
|
{
|
|
if (wd->visible_parents())
|
|
{
|
|
if ((wd->other.upd_state == core_window_t::update_state::refresh) || force_copy_to_screen)
|
|
{
|
|
window_layer::paint(wd, false, refresh_tree);
|
|
this->map(wd, force_copy_to_screen);
|
|
}
|
|
else if (effects::edge_nimbus::none != wd->effect.edge_nimbus)
|
|
{
|
|
//The window is still mapped because of edge nimbus effect.
|
|
//Avoid duplicate copy if action state is not changed and the window is not focused.
|
|
if ((wd->flags.action != wd->flags.action_before) || (bedrock::instance().focus() == wd))
|
|
this->map(wd, true);
|
|
}
|
|
}
|
|
else
|
|
window_layer::paint(wd, true, refresh_tree); //only refreshing if it has an invisible parent
|
|
}
|
|
wd->other.upd_state = core_window_t::update_state::none;
|
|
return true;
|
|
}
|
|
|
|
//get_graphics
|
|
//@brief: Get a copy of the graphics object of a window.
|
|
// the copy of the graphics object has a same buf handle with the graphics object's, they are count-refered
|
|
// here returns a reference that because the framework does not guarantee the wnd's
|
|
// graphics object available after a get_graphics call.
|
|
bool window_manager::get_graphics(core_window_t* wd, nana::paint::graphics& result)
|
|
{
|
|
//Thread-Safe Required!
|
|
std::lock_guard<decltype(mutex_)> lock(mutex_);
|
|
if (!impl_->wd_register.available(wd))
|
|
return false;
|
|
|
|
result.make(wd->drawer.graphics.size());
|
|
result.bitblt(0, 0, wd->drawer.graphics);
|
|
window_layer::paste_children_to_graphics(wd, result);
|
|
return true;
|
|
}
|
|
|
|
bool window_manager::get_visual_rectangle(core_window_t* wd, nana::rectangle& r)
|
|
{
|
|
//Thread-Safe Required!
|
|
std::lock_guard<decltype(mutex_)> lock(mutex_);
|
|
return (impl_->wd_register.available(wd) ?
|
|
window_layer::read_visual_rectangle(wd, r) :
|
|
false);
|
|
}
|
|
|
|
std::vector<window_manager::core_window_t*> window_manager::get_children(core_window_t* wd) const
|
|
{
|
|
std::lock_guard<decltype(mutex_)> lock(mutex_);
|
|
if (impl_->wd_register.available(wd))
|
|
return wd->children;
|
|
return{};
|
|
}
|
|
|
|
bool window_manager::set_parent(core_window_t* wd, core_window_t* newpa)
|
|
{
|
|
//Thread-Safe Required!
|
|
std::lock_guard<decltype(mutex_)> lock(mutex_);
|
|
if (!impl_->wd_register.available(wd))
|
|
return false;
|
|
|
|
if ((category::flags::lite_widget != wd->other.category) && (category::flags::widget != wd->other.category))
|
|
return false;
|
|
|
|
if (impl_->wd_register.available(newpa) && (nullptr == wd->owner) && (wd->parent != newpa) && (!wd->flags.modal))
|
|
{
|
|
//Check the newpa's parent. If wd is ancestor of newpa, return false.
|
|
if (wd->is_ancestor_of(newpa->parent))
|
|
return false;
|
|
|
|
auto wdpa = wd->parent;
|
|
this->_m_disengage(wd, newpa);
|
|
this->update(wdpa, true, true);
|
|
this->update(wd, false, true);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
//set_focus
|
|
//@brief: set a keyboard focus to a window. this may fire a focus event.
|
|
window_manager::core_window_t* window_manager::set_focus(core_window_t* wd, bool root_has_been_focused, arg_focus::reason reason)
|
|
{
|
|
//Thread-Safe Required!
|
|
std::lock_guard<decltype(mutex_)> lock(mutex_);
|
|
|
|
if (!impl_->wd_register.available(wd))
|
|
return nullptr;
|
|
|
|
auto & brock = bedrock::instance();
|
|
auto root_wd = wd->root_widget;
|
|
auto prev_focus = root_wd->other.attribute.root->focus;
|
|
|
|
arg_focus arg;
|
|
if(wd != prev_focus)
|
|
{
|
|
//kill the previous window focus
|
|
root_wd->other.attribute.root->focus = wd;
|
|
|
|
if (impl_->wd_register.available(prev_focus))
|
|
{
|
|
if(prev_focus->together.caret)
|
|
prev_focus->together.caret->set_active(false);
|
|
|
|
arg.getting = false;
|
|
arg.window_handle = reinterpret_cast<window>(prev_focus);
|
|
arg.receiver = wd->root;
|
|
arg.focus_reason = arg_focus::reason::general;
|
|
brock.emit(event_code::focus, prev_focus, arg, true, brock.get_thread_context());
|
|
}
|
|
|
|
//Check the prev_focus again, because it may be closed in focus event
|
|
if (!impl_->wd_register.available(prev_focus))
|
|
prev_focus = nullptr;
|
|
}
|
|
else if(wd->root == native_interface::get_focus_window())
|
|
return prev_focus; //no new focus_window
|
|
|
|
|
|
if(wd->together.caret)
|
|
wd->together.caret->set_active(true);
|
|
|
|
arg.window_handle = reinterpret_cast<window>(wd);
|
|
arg.getting = true;
|
|
arg.receiver = wd->root;
|
|
arg.focus_reason = reason;
|
|
brock.emit(event_code::focus, wd, arg, true, brock.get_thread_context());
|
|
|
|
if (!root_has_been_focused)
|
|
native_interface::set_focus(root_wd->root);
|
|
|
|
//A fix by Katsuhisa Yuasa
|
|
//The menubar token window will be redirected to the prev focus window when the new
|
|
//focus window is a menubar.
|
|
//The focus window will be restored to the prev focus which losts the focus becuase of
|
|
//memberbar.
|
|
if (prev_focus && (wd == wd->root_widget->other.attribute.root->menubar))
|
|
wd = prev_focus;
|
|
|
|
if (wd != wd->root_widget->other.attribute.root->menubar)
|
|
brock.set_menubar_taken(wd);
|
|
|
|
return prev_focus;
|
|
}
|
|
|
|
window_manager::core_window_t* window_manager::capture_redirect(core_window_t* wd)
|
|
{
|
|
if(attr_.capture.window && (attr_.capture.ignore_children == false) && (attr_.capture.window != wd))
|
|
{
|
|
//Tests if the wd is a child of captured window,
|
|
//and returns the wd if it is.
|
|
if (attr_.capture.window->is_ancestor_of(wd))
|
|
return wd;
|
|
}
|
|
return attr_.capture.window;
|
|
}
|
|
|
|
bool window_manager::capture_window_entered(int root_x, int root_y, bool& prev)
|
|
{
|
|
if(attr_.capture.window)
|
|
{
|
|
bool inside = _m_effective(attr_.capture.window, point{ root_x, root_y });
|
|
if(inside != attr_.capture.inside)
|
|
{
|
|
prev = attr_.capture.inside;
|
|
attr_.capture.inside = inside;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
window_manager::core_window_t * window_manager::capture_window() const
|
|
{
|
|
return attr_.capture.window;
|
|
}
|
|
|
|
void window_manager::capture_window(core_window_t* wd, bool captured, bool ignore_children)
|
|
{
|
|
if (!this->available(wd))
|
|
return;
|
|
|
|
nana::point pos = native_interface::cursor_position();
|
|
auto & attr_cap = attr_.capture.history;
|
|
|
|
if (captured)
|
|
{
|
|
if(wd != attr_.capture.window)
|
|
{
|
|
//Thread-Safe Required!
|
|
std::lock_guard<decltype(mutex_)> lock(mutex_);
|
|
|
|
if (impl_->wd_register.available(wd))
|
|
{
|
|
wd->flags.captured = true;
|
|
native_interface::capture_window(wd->root, captured);
|
|
|
|
if (attr_.capture.window)
|
|
attr_cap.emplace_back(attr_.capture.window, attr_.capture.ignore_children);
|
|
|
|
attr_.capture.window = wd;
|
|
attr_.capture.ignore_children = ignore_children;
|
|
native_interface::calc_window_point(wd->root, pos);
|
|
attr_.capture.inside = _m_effective(wd, pos);
|
|
}
|
|
}
|
|
}
|
|
else if(wd == attr_.capture.window)
|
|
{
|
|
attr_.capture.window = nullptr;
|
|
wd->flags.captured = false;
|
|
if(attr_cap.size())
|
|
{
|
|
std::pair<core_window_t*, bool> last = attr_cap.back();
|
|
attr_cap.pop_back();
|
|
|
|
if (impl_->wd_register.available(last.first))
|
|
{
|
|
attr_.capture.window = last.first;
|
|
attr_.capture.ignore_children = last.second;
|
|
native_interface::capture_window(last.first->root, true);
|
|
native_interface::calc_window_point(last.first->root, pos);
|
|
last.first->flags.captured = true;
|
|
attr_.capture.inside = _m_effective(last.first, pos);
|
|
}
|
|
}
|
|
|
|
if(wd && (nullptr == attr_.capture.window))
|
|
native_interface::capture_window(wd->root, false);
|
|
}
|
|
else
|
|
{
|
|
for (auto i = attr_cap.begin(), end = attr_cap.end(); i != end; ++i)
|
|
{
|
|
if (i->first == wd)
|
|
{
|
|
attr_cap.erase(i);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//enable_tabstop
|
|
//@brief: when users press a TAB, the focus should move to the next widget.
|
|
// this method insert a window which catchs an user TAB into a TAB window container
|
|
// the TAB window container is held by a wd's root widget. Not every widget has a TAB window container,
|
|
// the container is created while a first Tab Window is setting
|
|
void window_manager::enable_tabstop(core_window_t* wd)
|
|
{
|
|
//Thread-Safe Required!
|
|
std::lock_guard<decltype(mutex_)> lock(mutex_);
|
|
if (impl_->wd_register.available(wd) && (detail::tab_type::none == wd->flags.tab))
|
|
{
|
|
wd->root_widget->other.attribute.root->tabstop.push_back(wd);
|
|
wd->flags.tab |= detail::tab_type::tabstop;
|
|
}
|
|
}
|
|
|
|
|
|
// preconditions of get_tabstop: tabstop is not empty and at least one window is visible
|
|
window_manager::core_window_t* get_tabstop(window_manager::core_window_t* wd, bool forward)
|
|
{
|
|
auto & tabs = wd->root_widget->other.attribute.root->tabstop;
|
|
|
|
if (forward)
|
|
{
|
|
if (detail::tab_type::none == wd->flags.tab)
|
|
return (tabs.front());
|
|
else if (detail::tab_type::tabstop & wd->flags.tab)
|
|
{
|
|
auto end = tabs.cend();
|
|
auto i = std::find(tabs.cbegin(), end, wd);
|
|
if (i != end)
|
|
{
|
|
++i;
|
|
window_manager::core_window_t* ts = (i != end ? (*i) : tabs.front());
|
|
return (ts != wd ? ts : 0);
|
|
}
|
|
else
|
|
return tabs.front();
|
|
}
|
|
}
|
|
else if (tabs.size() > 1) //at least 2 elments in tabs are required when moving backward.
|
|
{
|
|
auto i = std::find(tabs.cbegin(), tabs.cend(), wd);
|
|
if (i != tabs.cend())
|
|
return (tabs.cbegin() == i ? tabs.back() : *(i - 1));
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
auto window_manager::tabstop(core_window_t* wd, bool forward) const -> core_window_t*
|
|
{
|
|
//Thread-Safe Required!
|
|
std::lock_guard<decltype(mutex_)> lock(mutex_);
|
|
if (!impl_->wd_register.available(wd))
|
|
return nullptr;
|
|
|
|
auto & tabs = wd->root_widget->other.attribute.root->tabstop;
|
|
if (tabs.empty())
|
|
return nullptr;
|
|
|
|
bool precondition = false;
|
|
for (auto & tab_wd : tabs)
|
|
{
|
|
if (tab_wd->displayed())
|
|
{
|
|
precondition = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (precondition)
|
|
{
|
|
auto new_stop = get_tabstop(wd, forward);
|
|
|
|
while (new_stop && (wd != new_stop))
|
|
{
|
|
if (new_stop->flags.enabled && new_stop->displayed())
|
|
return new_stop;
|
|
|
|
new_stop = get_tabstop(new_stop, forward);
|
|
}
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
void window_manager::remove_trash_handle(unsigned tid)
|
|
{
|
|
impl_->wd_register.delete_trash(tid);
|
|
}
|
|
|
|
bool window_manager::enable_effects_bground(core_window_t* wd, bool enabled)
|
|
{
|
|
//Thread-Safe Required!
|
|
std::lock_guard<decltype(mutex_)> lock(mutex_);
|
|
if (impl_->wd_register.available(wd))
|
|
return window_layer::enable_effects_bground(wd, enabled);
|
|
|
|
return false;
|
|
}
|
|
|
|
bool window_manager::calc_window_point(core_window_t* wd, nana::point& pos)
|
|
{
|
|
//Thread-Safe Required!
|
|
std::lock_guard<decltype(mutex_)> lock(mutex_);
|
|
if (impl_->wd_register.available(wd))
|
|
{
|
|
if(native_interface::calc_window_point(wd->root, pos))
|
|
{
|
|
pos -= wd->pos_root;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
root_misc* window_manager::root_runtime(native_window_type native_wd) const
|
|
{
|
|
return impl_->misc_register.find(native_wd);
|
|
}
|
|
|
|
bool window_manager::register_shortkey(core_window_t* wd, unsigned long key)
|
|
{
|
|
//Thread-Safe Required!
|
|
std::lock_guard<decltype(mutex_)> lock(mutex_);
|
|
if (impl_->wd_register.available(wd))
|
|
{
|
|
auto object = root_runtime(wd->root);
|
|
if(object)
|
|
return object->shortkeys.make(reinterpret_cast<window>(wd), key);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void window_manager::unregister_shortkey(core_window_t* wd, bool with_children)
|
|
{
|
|
//Thread-Safe Required!
|
|
std::lock_guard<decltype(mutex_)> lock(mutex_);
|
|
if (impl_->wd_register.available(wd) == false) return;
|
|
|
|
auto root_rt = root_runtime(wd->root);
|
|
if (root_rt)
|
|
{
|
|
root_rt->shortkeys.umake(reinterpret_cast<window>(wd));
|
|
if (with_children)
|
|
{
|
|
for (auto child : wd->children)
|
|
unregister_shortkey(child, true);
|
|
}
|
|
}
|
|
}
|
|
|
|
auto window_manager::shortkeys(core_window_t* wd, bool with_children) -> std::vector<std::pair<core_window_t*, unsigned long>>
|
|
{
|
|
std::vector<std::pair<core_window_t*, unsigned long>> result;
|
|
|
|
//Thread-Safe Required!
|
|
std::lock_guard<decltype(mutex_)> lock(mutex_);
|
|
if (impl_->wd_register.available(wd))
|
|
{
|
|
auto root_rt = root_runtime(wd->root);
|
|
if (root_rt)
|
|
{
|
|
auto keys = root_rt->shortkeys.keys(reinterpret_cast<window>(wd));
|
|
for (auto key : keys)
|
|
result.emplace_back(wd, key);
|
|
|
|
if (with_children)
|
|
{
|
|
for (auto child : wd->children)
|
|
{
|
|
auto child_keys = shortkeys(child, true);
|
|
std::copy(child_keys.cbegin(), child_keys.cend(), std::back_inserter(result));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
window_manager::core_window_t* window_manager::find_shortkey(native_window_type native_window, unsigned long key)
|
|
{
|
|
if(native_window)
|
|
{
|
|
//Thread-Safe Required!
|
|
std::lock_guard<decltype(mutex_)> lock(mutex_);
|
|
auto object = root_runtime(native_window);
|
|
if(object)
|
|
return reinterpret_cast<core_window_t*>(object->shortkeys.find(key));
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
void window_manager::set_safe_place(core_window_t* wd, std::function<void()>&& fn)
|
|
{
|
|
if (fn)
|
|
{
|
|
std::lock_guard<decltype(mutex_)> lock(mutex_);
|
|
if (!available(wd))
|
|
return;
|
|
|
|
impl_->safe_place[wd].emplace_back(std::move(fn));
|
|
}
|
|
}
|
|
|
|
void window_manager::call_safe_place(unsigned thread_id)
|
|
{
|
|
std::lock_guard<decltype(mutex_)> lock(mutex_);
|
|
|
|
for (auto i = impl_->safe_place.begin(); i != impl_->safe_place.end();)
|
|
{
|
|
if (i->first->thread_id == thread_id)
|
|
{
|
|
for (auto & fn : i->second)
|
|
fn();
|
|
|
|
i = impl_->safe_place.erase(i);
|
|
}
|
|
else
|
|
++i;
|
|
}
|
|
|
|
}
|
|
|
|
bool check_tree(basic_window* wd, basic_window* const cond)
|
|
{
|
|
if (wd == cond) return true;
|
|
for (auto child : wd->children)
|
|
{
|
|
if (check_tree(child, cond))
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void window_manager::_m_disengage(core_window_t* wd, core_window_t* for_new)
|
|
{
|
|
auto * const wdpa = wd->parent;
|
|
|
|
|
|
bool established = (for_new && (wdpa != for_new));
|
|
decltype(for_new->root_widget->other.attribute.root) pa_root_attr = nullptr;
|
|
|
|
if (established)
|
|
pa_root_attr = for_new->root_widget->other.attribute.root;
|
|
|
|
auto * root_attr = wd->root_widget->other.attribute.root;
|
|
|
|
//Holds the shortkeys of wd and its children, and then
|
|
//register these shortkeys for establishing.
|
|
std::vector<std::pair<core_window_t*,unsigned long>> sk_holder;
|
|
|
|
if ((!established) || (pa_root_attr != root_attr))
|
|
{
|
|
if (established)
|
|
{
|
|
if (check_tree(wd, attr_.capture.window))
|
|
capture_window(attr_.capture.window, false, false); //The 3rd parameter is ignored
|
|
|
|
if (root_attr->focus && check_tree(wd, root_attr->focus))
|
|
root_attr->focus = nullptr;
|
|
|
|
if (root_attr->menubar && check_tree(wd, root_attr->menubar))
|
|
root_attr->menubar = nullptr;
|
|
|
|
sk_holder = shortkeys(wd, true);
|
|
}
|
|
else
|
|
{
|
|
if (wd == attr_.capture.window)
|
|
capture_window(attr_.capture.window, false, false); //The 3rd parameter is ignored.
|
|
|
|
if (root_attr->focus == wd)
|
|
root_attr->focus = nullptr;
|
|
|
|
if (root_attr->menubar == wd)
|
|
root_attr->menubar = nullptr;
|
|
}
|
|
|
|
if (wd->other.category == category::flags::root)
|
|
{
|
|
root_runtime(wd->root)->shortkeys.clear();
|
|
wd->other.attribute.root->focus = nullptr;
|
|
}
|
|
else
|
|
{
|
|
//Unregister all the children's shortkey, if it is disengaged for reset of parent.
|
|
unregister_shortkey(wd, !established);
|
|
}
|
|
|
|
//test if wd is a TABSTOP window
|
|
if (wd->flags.tab & detail::tab_type::tabstop)
|
|
{
|
|
auto & tabstop = root_attr->tabstop;
|
|
//remove wd from root_attr, and then add it to pa_root_attr if established.
|
|
auto wd_removed = utl::erase(tabstop, wd);
|
|
if (established)
|
|
{
|
|
if (wd_removed)
|
|
pa_root_attr->tabstop.push_back(wd);
|
|
|
|
for (auto child : wd->children)
|
|
{
|
|
if(utl::erase(tabstop, child))
|
|
pa_root_attr->tabstop.push_back(child);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!established)
|
|
{
|
|
using effect_renderer = detail::edge_nimbus_renderer<basic_window>;
|
|
|
|
//remove the window from edge nimbus effect when it is destroying
|
|
effect_renderer::instance().erase(wd);
|
|
}
|
|
else if (pa_root_attr != root_attr)
|
|
{
|
|
auto & cont = root_attr->effects_edge_nimbus;
|
|
for (auto i = cont.begin(); i != cont.end();)
|
|
{
|
|
if ((i->window == wd) || wd->is_ancestor_of(i->window))
|
|
{
|
|
pa_root_attr->effects_edge_nimbus.push_back(*i);
|
|
i = cont.erase(i);
|
|
continue;
|
|
}
|
|
++i;
|
|
}
|
|
}
|
|
|
|
if (wd->parent)
|
|
{
|
|
auto & pa_children = wd->parent->children;
|
|
|
|
if (pa_children.size() > 1)
|
|
{
|
|
for (auto i = pa_children.cbegin(), end = pa_children.cend(); i != end; ++i)
|
|
{
|
|
if (((*i)->index) > (wd->index))
|
|
{
|
|
for (; i != end; ++i)
|
|
--((*i)->index);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (established)
|
|
{
|
|
utl::erase(pa_children, wd);
|
|
if (for_new->children.empty())
|
|
wd->index = 0;
|
|
else
|
|
wd->index = for_new->children.back()->index + 1;
|
|
for_new->children.push_back(wd);
|
|
}
|
|
}
|
|
|
|
if (category::flags::frame == wd->other.category)
|
|
{
|
|
//remove the frame handle from the WM frames manager.
|
|
utl::erase(root_attr->frames, wd);
|
|
|
|
if (established)
|
|
pa_root_attr->frames.push_back(wd);
|
|
}
|
|
|
|
if (established)
|
|
{
|
|
wd->parent = for_new;
|
|
wd->root = for_new->root;
|
|
wd->root_graph = for_new->root_graph;
|
|
wd->root_widget = for_new->root_widget;
|
|
|
|
wd->pos_owner.x = wd->pos_owner.y = 0;
|
|
|
|
auto delta_pos = wd->pos_root - for_new->pos_root;
|
|
|
|
std::function<void(core_window_t*, const nana::point&)> set_pos_root;
|
|
set_pos_root = [&set_pos_root](core_window_t* wd, const nana::point& delta_pos)
|
|
{
|
|
for (auto child : wd->children)
|
|
{
|
|
if (category::flags::root == child->other.category)
|
|
{
|
|
auto pos = native_interface::window_position(child->root);
|
|
native_interface::parent_window(child->root, wd->root, false);
|
|
|
|
pos -= delta_pos;
|
|
native_interface::move_window(child->root, pos.x, pos.y);
|
|
}
|
|
else
|
|
{
|
|
child->root = wd->root;
|
|
child->root_graph = wd->root_graph;
|
|
child->root_widget = wd->root_widget;
|
|
set_pos_root(child, delta_pos);
|
|
}
|
|
}
|
|
|
|
wd->pos_root -= delta_pos;
|
|
};
|
|
|
|
set_pos_root(wd, delta_pos);
|
|
|
|
for (auto & keys : sk_holder)
|
|
register_shortkey(keys.first, keys.second);
|
|
}
|
|
}
|
|
|
|
void window_manager::_m_destroy(core_window_t* wd)
|
|
{
|
|
if(wd->flags.destroying) return;
|
|
|
|
bedrock & brock = bedrock::instance();
|
|
brock.thread_context_destroy(wd);
|
|
|
|
wd->flags.destroying = true;
|
|
|
|
if(wd->together.caret)
|
|
{
|
|
//The deletion of caret wants to know whether the window is destroyed under SOME platform. Such as X11
|
|
delete wd->together.caret;
|
|
wd->together.caret = nullptr;
|
|
}
|
|
|
|
arg_destroy arg;
|
|
arg.window_handle = reinterpret_cast<window>(wd);
|
|
brock.emit(event_code::destroy, wd, arg, true, brock.get_thread_context());
|
|
|
|
//Delete the children widgets.
|
|
for (auto i = wd->children.rbegin(), end = wd->children.rend(); i != end;)
|
|
{
|
|
auto child = *i;
|
|
|
|
if (category::flags::root == child->other.category)
|
|
{
|
|
//closing a child root window erases itself from wd->children,
|
|
//to make sure the iterator is valid, it must be reloaded.
|
|
|
|
auto offset = std::distance(wd->children.rbegin(), i);
|
|
|
|
//!!!
|
|
//a potential issue is that if the calling thread is not same with child's thread,
|
|
//the child root window may not be erased from wd->children now.
|
|
native_interface::close_window(child->root);
|
|
|
|
i = wd->children.rbegin();
|
|
std::advance(i, offset);
|
|
end = wd->children.rend();
|
|
continue;
|
|
}
|
|
_m_destroy(child);
|
|
++i;
|
|
}
|
|
wd->children.clear();
|
|
|
|
|
|
_m_disengage(wd, nullptr);
|
|
window_layer::enable_effects_bground(wd, false);
|
|
|
|
wd->drawer.detached();
|
|
wd->widget_notifier->destroy();
|
|
|
|
if(category::flags::frame == wd->other.category)
|
|
{
|
|
//The frame widget does not have an owner, and close their element windows without activating owner.
|
|
//close the frame container window, it's a native window.
|
|
for(auto i : wd->other.attribute.frame->attach)
|
|
native_interface::close_window(i);
|
|
|
|
native_interface::close_window(wd->other.attribute.frame->container);
|
|
}
|
|
|
|
if(wd->other.category != category::flags::root) //Not a root window
|
|
impl_->wd_register.remove(wd);
|
|
}
|
|
|
|
void window_manager::_m_move_core(core_window_t* wd, const point& delta)
|
|
{
|
|
if(category::flags::root != wd->other.category) //A root widget always starts at (0, 0) and its childs are not to be changed
|
|
{
|
|
wd->pos_root += delta;
|
|
if (category::flags::frame != wd->other.category)
|
|
{
|
|
if (wd->together.caret && wd->together.caret->visible())
|
|
wd->together.caret->update();
|
|
}
|
|
else
|
|
native_interface::move_window(wd->other.attribute.frame->container, wd->pos_root.x, wd->pos_root.y);
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|
|
|
if (wd->displayed() && wd->effect.bground)
|
|
window_layer::make_bground(wd);
|
|
|
|
for (auto child : wd->children)
|
|
_m_move_core(child, delta);
|
|
}
|
|
else
|
|
{
|
|
auto pos = native_interface::window_position(wd->root) + delta;
|
|
native_interface::move_window(wd->root, pos.x, pos.y);
|
|
}
|
|
}
|
|
|
|
//_m_find
|
|
//@brief: find a window on root window through a given root coordinate.
|
|
// the given root coordinate must be in the rectangle of wnd.
|
|
window_manager::core_window_t* window_manager::_m_find(core_window_t* wd, const point& pos)
|
|
{
|
|
if(!wd->visible)
|
|
return nullptr;
|
|
|
|
for(auto i = wd->children.rbegin(); i != wd->children.rend(); ++i)
|
|
{
|
|
core_window_t* child = *i;
|
|
if((child->other.category != category::flags::root) && _m_effective(child, pos))
|
|
{
|
|
child = _m_find(child, pos);
|
|
if(child)
|
|
return child;
|
|
}
|
|
}
|
|
return wd;
|
|
}
|
|
|
|
//_m_effective, test if the window is a handle of window that specified by (root_x, root_y)
|
|
bool window_manager::_m_effective(core_window_t* wd, const point& root_pos)
|
|
{
|
|
if(wd == nullptr || false == wd->visible) return false;
|
|
return rectangle{ wd->pos_root, wd->dimension }.is_hit(root_pos);
|
|
}
|
|
//end class window_manager
|
|
}//end namespace detail
|
|
}//end namespace nana
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