614 lines
16 KiB
C++
614 lines
16 KiB
C++
/*
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* A Bedrock Platform-Independent Implementation
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* Nana C++ Library(http://www.nanapro.org)
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* Copyright(C) 2003-2018 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/bedrock_pi.cpp
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*/
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#include "../../detail/platform_spec_selector.hpp"
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#include <nana/gui/detail/bedrock_pi_data.hpp>
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#include <nana/gui/detail/event_code.hpp>
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#include <nana/system/platform.hpp>
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#include <sstream>
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#include <nana/system/timepiece.hpp>
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#include <nana/gui/wvl.hpp>
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#include <nana/gui/detail/basic_window.hpp>
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#include <nana/gui/detail/native_window_interface.hpp>
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#include <nana/gui/layout_utility.hpp>
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#include <nana/gui/detail/element_store.hpp>
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#include <algorithm>
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namespace nana
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{
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//class internal_scope_guard
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internal_scope_guard::internal_scope_guard()
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{
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detail::bedrock::instance().wd_manager().internal_lock().lock();
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}
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internal_scope_guard::~internal_scope_guard()
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{
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detail::bedrock::instance().wd_manager().internal_lock().unlock();
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}
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//end class internal_scope_guard
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//class internal_revert_guard
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internal_revert_guard::internal_revert_guard()
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{
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detail::bedrock::instance().wd_manager().internal_lock().revert();
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}
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internal_revert_guard::~internal_revert_guard()
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{
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detail::bedrock::instance().wd_manager().internal_lock().forward();
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}
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//end class internal_revert_guard
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//class event_arg
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void event_arg::stop_propagation() const
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{
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stop_propagation_ = true;
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}
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bool event_arg::propagation_stopped() const
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{
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return stop_propagation_;
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}
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//end class event_arg
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namespace detail
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{
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bool check_window(window wd)
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{
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return bedrock::instance().wd_manager().available(reinterpret_cast<window_manager::core_window_t*>(wd));
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}
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void events_operation_register(event_handle evt)
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{
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bedrock::instance().evt_operation().register_evt(evt);
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}
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class bedrock::flag_guard
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{
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public:
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flag_guard(bedrock* brock, core_window_t * wd)
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: brock_{ brock }, wd_(wd)
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{
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wd_->flags.refreshing = true;
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}
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~flag_guard()
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{
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if (brock_->wd_manager().available((wd_)))
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wd_->flags.refreshing = false;
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}
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private:
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bedrock *const brock_;
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core_window_t *const wd_;
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};
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events_operation& bedrock::evt_operation()
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{
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return pi_data_->evt_operation;
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}
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window_manager& bedrock::wd_manager()
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{
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return pi_data_->wd_manager;
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}
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void bedrock::manage_form_loader(core_window_t* wd, bool insert_or_remove)
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{
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if (insert_or_remove)
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{
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pi_data_->auto_form_set.insert(wd);
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return;
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}
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if (pi_data_->auto_form_set.erase(wd))
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{
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auto p = wd->widget_notifier->widget_ptr();
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delete p;
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}
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}
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void bedrock::close_thread_window(thread_t thread_id)
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{
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std::vector<core_window_t*> v;
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wd_manager().all_handles(v);
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std::vector<native_window_type> roots;
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native_window_type root = nullptr;
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for (auto wd : v)
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{
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if (((0 == thread_id) || (wd->thread_id == thread_id)) && (wd->root != root))
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{
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root = wd->root;
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if (roots.end() == std::find(roots.begin(), roots.end(), root))
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roots.emplace_back(root);
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}
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}
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for (auto i : roots)
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native_interface::close_window(i);
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}
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void bedrock::event_expose(core_window_t * wd, bool exposed)
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{
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if (nullptr == wd) return;
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wd->visible = exposed;
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arg_expose arg;
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arg.exposed = exposed;
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arg.window_handle = reinterpret_cast<window>(wd);
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if (emit(event_code::expose, wd, arg, false, get_thread_context()))
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{
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//Get the window who has the activated caret
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const core_window_t * caret_wd = ((wd->annex.caret_ptr && wd->annex.caret_ptr->activated()) ? wd : wd->child_caret());
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if (caret_wd)
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{
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if (exposed)
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{
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if (wd->root_widget->other.attribute.root->focus == caret_wd)
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caret_wd->annex.caret_ptr->visible(true);
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}
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else
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caret_wd->annex.caret_ptr->visible(false);
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}
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if (!exposed)
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{
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if (category::flags::root != wd->other.category)
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{
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//find an ancestor until it is not a lite_widget
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wd = wd->seek_non_lite_widget_ancestor();
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}
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#ifndef WIDGET_FRAME_DEPRECATED
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else if (category::flags::frame == wd->other.category)
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wd = wd_manager().find_window(wd->root, wd->pos_root.x, wd->pos_root.y);
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#endif
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}
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wd_manager().refresh_tree(wd);
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wd_manager().map(wd, false);
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}
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}
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void bedrock::event_move(core_window_t* wd, int x, int y)
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{
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if (wd)
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{
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arg_move arg;
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arg.window_handle = reinterpret_cast<window>(wd);
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arg.x = x;
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arg.y = y;
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emit(event_code::move, wd, arg, true, get_thread_context());
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}
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}
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bool bedrock::event_msleave(core_window_t* hovered)
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{
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if (wd_manager().available(hovered) && hovered->flags.enabled)
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{
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hovered->set_action(mouse_action::normal);
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arg_mouse arg;
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arg.evt_code = event_code::mouse_leave;
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arg.window_handle = reinterpret_cast<window>(hovered);
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arg.pos.x = arg.pos.y = 0;
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arg.left_button = arg.right_button = arg.mid_button = false;
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arg.ctrl = arg.shift = false;
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emit(event_code::mouse_leave, hovered, arg, true, get_thread_context());
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return true;
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}
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return false;
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}
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//The wd must be a root window
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void bedrock::event_focus_changed(core_window_t* root_wd, native_window_type receiver, bool getting)
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{
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auto focused = root_wd->other.attribute.root->focus;
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arg_focus arg;
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arg.window_handle = reinterpret_cast<window>(focused);
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arg.getting = getting;
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arg.receiver = receiver;
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if (getting)
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{
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if (root_wd->flags.enabled && root_wd->flags.take_active)
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{
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if (focused && focused->annex.caret_ptr)
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focused->annex.caret_ptr->activate(true);
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if (!emit(event_code::focus, focused, arg, true, get_thread_context()))
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this->wd_manager().set_focus(root_wd, true, arg_focus::reason::general);
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}
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}
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else if (root_wd->other.attribute.root->focus)
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{
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if (emit(event_code::focus, focused, arg, true, get_thread_context()))
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{
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if (focused->annex.caret_ptr)
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focused->annex.caret_ptr->activate(false);
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}
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close_menu_if_focus_other_window(receiver);
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}
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}
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void bedrock::update_cursor(core_window_t * wd)
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{
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internal_scope_guard isg;
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if (wd_manager().available(wd))
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{
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auto * thrd = get_thread_context(wd->thread_id);
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if (nullptr == thrd)
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return;
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auto pos = native_interface::cursor_position();
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auto native_handle = native_interface::find_window(pos.x, pos.y);
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if (!native_handle)
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return;
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native_interface::calc_window_point(native_handle, pos);
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if (wd != wd_manager().find_window(native_handle, pos))
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return;
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set_cursor(wd, wd->predef_cursor, thrd);
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}
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}
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void bedrock::set_menubar_taken(core_window_t* wd)
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{
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auto pre = pi_data_->menu.taken_window;
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pi_data_->menu.taken_window = wd;
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//assigning of a nullptr taken window is to restore the focus of pre taken
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//don't restore the focus if pre is a menu.
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if ((!wd) && pre && (pre->root != get_menu()))
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{
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internal_scope_guard lock;
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wd_manager().set_focus(pre, false, arg_focus::reason::general);
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wd_manager().update(pre, true, false);
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}
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}
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//0:Enable delay, 1:Cancel, 2:Restores, 3: Restores when menu is destroying
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void bedrock::delay_restore(int state)
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{
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switch (state)
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{
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case 0: //Enable
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break;
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case 1: //Cancel
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break;
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case 2: //Restore if key released
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//restores the focus when menu is closed by pressing keyboard
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if ((!pi_data_->menu.window) && pi_data_->menu.delay_restore)
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set_menubar_taken(nullptr);
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break;
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case 3: //Restores if destroying
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//when the menu is destroying, restores the focus if delay restore is not declared
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if (!pi_data_->menu.delay_restore)
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set_menubar_taken(nullptr);
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}
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pi_data_->menu.delay_restore = (0 == state);
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}
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bool bedrock::close_menu_if_focus_other_window(native_window_type wd)
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{
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if (pi_data_->menu.window && (pi_data_->menu.window != wd))
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{
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wd = native_interface::get_owner_window(wd);
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while (wd)
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{
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if (wd != pi_data_->menu.window)
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wd = native_interface::get_owner_window(wd);
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else
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return false;
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}
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erase_menu(true);
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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 bedrock::set_menu(native_window_type menu_wd, bool has_keyboard)
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{
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if(menu_wd && pi_data_->menu.window != menu_wd)
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{
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erase_menu(true);
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pi_data_->menu.window = menu_wd;
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pi_data_->menu.owner = native_interface::get_owner_window(menu_wd);
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pi_data_->menu.has_keyboard = has_keyboard;
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}
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}
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native_window_type bedrock::get_menu(native_window_type owner, bool is_keyboard_condition)
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{
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if ((pi_data_->menu.owner == nullptr) ||
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(owner && (pi_data_->menu.owner == owner))
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)
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{
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return (is_keyboard_condition ? (pi_data_->menu.has_keyboard ? pi_data_->menu.window : nullptr) : pi_data_->menu.window);
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}
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return nullptr;
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}
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native_window_type bedrock::get_menu()
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{
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return pi_data_->menu.window;
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}
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void bedrock::erase_menu(bool try_destroy)
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{
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if (pi_data_->menu.window)
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{
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if (try_destroy)
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native_interface::close_window(pi_data_->menu.window);
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pi_data_->menu.window = pi_data_->menu.owner = nullptr;
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pi_data_->menu.has_keyboard = false;
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}
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}
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bool bedrock::shortkey_occurred(bool status)
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{
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auto last_status = pi_data_->shortkey_occurred;
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pi_data_->shortkey_occurred = status;
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return last_status;
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}
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bool bedrock::shortkey_occurred() const
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{
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return pi_data_->shortkey_occurred;
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}
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color_schemes& bedrock::scheme()
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{
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return pi_data_->scheme;
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}
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void bedrock::_m_emit_core(event_code evt_code, core_window_t* wd, bool draw_only, const ::nana::event_arg& event_arg, const bool bForce__EmitInternal)
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{
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auto retain = wd->annex.events_ptr;
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auto evts_ptr = retain.get();
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// if 'bForce__EmitInternal', omit user defined events
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const bool bProcess__External_event = !draw_only && !bForce__EmitInternal;
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switch (evt_code)
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{
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case event_code::click:
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{
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auto arg = dynamic_cast<const arg_click*>(&event_arg);
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if (arg)
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{
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{
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//enable refreshing flag, this is a RAII class for exception-safe
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flag_guard fguard(this, wd);
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wd->drawer.click(*arg, bForce__EmitInternal);
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}
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if (bProcess__External_event)
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evts_ptr->click.emit(*arg, reinterpret_cast<window>(wd));
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}
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}
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break;
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case event_code::dbl_click:
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case event_code::mouse_enter:
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case event_code::mouse_move:
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case event_code::mouse_leave:
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case event_code::mouse_down:
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case event_code::mouse_up:
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{
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auto arg = dynamic_cast<const arg_mouse*>(&event_arg);
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if (nullptr == arg)
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return;
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void(::nana::detail::drawer::*drawer_event_fn)(const arg_mouse&, const bool);
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::nana::basic_event<arg_mouse>* evt_addr;
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switch (evt_code)
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{
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case event_code::dbl_click:
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drawer_event_fn = &drawer::dbl_click;
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evt_addr = &evts_ptr->dbl_click;
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break;
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case event_code::mouse_enter:
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drawer_event_fn = &drawer::mouse_enter;
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evt_addr = &evts_ptr->mouse_enter;
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break;
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case event_code::mouse_move:
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drawer_event_fn = &drawer::mouse_move;
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evt_addr = &evts_ptr->mouse_move;
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break;
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case event_code::mouse_leave:
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drawer_event_fn = &drawer::mouse_leave;
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evt_addr = &evts_ptr->mouse_leave;
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break;
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case event_code::mouse_down:
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drawer_event_fn = &drawer::mouse_down;
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evt_addr = &evts_ptr->mouse_down;
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break;
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case event_code::mouse_up:
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drawer_event_fn = &drawer::mouse_up;
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evt_addr = &evts_ptr->mouse_up;
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break;
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default:
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throw std::runtime_error("Invalid mouse event code");
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}
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{
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//enable refreshing flag, this is a RAII class for exception-safe
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flag_guard fguard(this, wd);
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(wd->drawer.*drawer_event_fn)(*arg, bForce__EmitInternal);
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}
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if (bProcess__External_event)
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evt_addr->emit(*arg, reinterpret_cast<window>(wd));
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break;
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}
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case event_code::mouse_wheel:
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{
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auto arg = dynamic_cast<const arg_wheel*>(&event_arg);
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if (arg)
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{
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{
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//enable refreshing flag, this is a RAII class for exception-safe
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flag_guard fguard(this, wd);
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wd->drawer.mouse_wheel(*arg, bForce__EmitInternal);
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}
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if (bProcess__External_event)
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evts_ptr->mouse_wheel.emit(*arg, reinterpret_cast<window>(wd));
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}
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break;
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}
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case event_code::key_press:
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case event_code::key_char:
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case event_code::key_release:
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case event_code::shortkey:
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{
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auto arg = dynamic_cast<const arg_keyboard*>(&event_arg);
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if (nullptr == arg)
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return;
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void(::nana::detail::drawer::*drawer_event_fn)(const arg_keyboard&, const bool);
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::nana::basic_event<arg_keyboard>* evt_addr;
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switch (evt_code)
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{
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case event_code::key_press:
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drawer_event_fn = &drawer::key_press;
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evt_addr = &evts_ptr->key_press;
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break;
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case event_code::key_char:
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drawer_event_fn = &drawer::key_char;
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evt_addr = &evts_ptr->key_char;
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break;
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case event_code::key_release:
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drawer_event_fn = &drawer::key_release;
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evt_addr = &evts_ptr->key_release;
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break;
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case event_code::shortkey:
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drawer_event_fn = &drawer::shortkey;
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evt_addr = &evts_ptr->shortkey;
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break;
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default:
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throw std::runtime_error("Invalid keyboard event code");
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}
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{
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//enable refreshing flag, this is a RAII class for exception-safe
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flag_guard fguard(this, wd);
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(wd->drawer.*drawer_event_fn)(*arg, bForce__EmitInternal);
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}
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if (bProcess__External_event)
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evt_addr->emit(*arg, reinterpret_cast<window>(wd));
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break;
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}
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case event_code::expose:
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if (bProcess__External_event)
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{
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auto arg = dynamic_cast<const arg_expose*>(&event_arg);
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if (arg)
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evts_ptr->expose.emit(*arg, reinterpret_cast<window>(wd));
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}
|
|
break;
|
|
case event_code::focus:
|
|
{
|
|
auto arg = dynamic_cast<const arg_focus*>(&event_arg);
|
|
if (arg)
|
|
{
|
|
{
|
|
//enable refreshing flag, this is a RAII class for exception-safe
|
|
flag_guard fguard(this, wd);
|
|
wd->drawer.focus(*arg, bForce__EmitInternal);
|
|
}
|
|
if (bProcess__External_event)
|
|
evts_ptr->focus.emit(*arg, reinterpret_cast<window>(wd));
|
|
}
|
|
break;
|
|
}
|
|
case event_code::move:
|
|
{
|
|
auto arg = dynamic_cast<const arg_move*>(&event_arg);
|
|
if (arg)
|
|
{
|
|
{
|
|
//enable refreshing flag, this is a RAII class for exception-safe
|
|
flag_guard fguard(this, wd);
|
|
wd->drawer.move(*arg, bForce__EmitInternal);
|
|
}
|
|
if (bProcess__External_event)
|
|
evts_ptr->move.emit(*arg, reinterpret_cast<window>(wd));
|
|
}
|
|
break;
|
|
}
|
|
case event_code::resizing:
|
|
{
|
|
auto arg = dynamic_cast<const arg_resizing*>(&event_arg);
|
|
if (arg)
|
|
{
|
|
{
|
|
//enable refreshing flag, this is a RAII class for exception-safe
|
|
flag_guard fguard(this, wd);
|
|
wd->drawer.resizing(*arg, bForce__EmitInternal);
|
|
}
|
|
if (bProcess__External_event)
|
|
evts_ptr->resizing.emit(*arg, reinterpret_cast<window>(wd));
|
|
}
|
|
break;
|
|
}
|
|
case event_code::resized:
|
|
{
|
|
auto arg = dynamic_cast<const arg_resized*>(&event_arg);
|
|
if (arg)
|
|
{
|
|
{
|
|
//enable refreshing flag, this is a RAII class for exception-safe
|
|
flag_guard fguard(this, wd);
|
|
wd->drawer.resized(*arg, bForce__EmitInternal);
|
|
}
|
|
if (bProcess__External_event)
|
|
evts_ptr->resized.emit(*arg, reinterpret_cast<window>(wd));
|
|
}
|
|
break;
|
|
}
|
|
case event_code::unload:
|
|
if (bProcess__External_event)
|
|
{
|
|
auto arg = dynamic_cast<const arg_unload*>(&event_arg);
|
|
if (arg && (wd->other.category == category::flags::root))
|
|
{
|
|
auto evt_root = dynamic_cast<events_root_extension*>(evts_ptr);
|
|
if (evt_root)
|
|
evt_root->unload.emit(*arg, reinterpret_cast<window>(wd));
|
|
}
|
|
}
|
|
break;
|
|
case event_code::destroy:
|
|
if (bProcess__External_event)
|
|
{
|
|
auto arg = dynamic_cast<const arg_destroy*>(&event_arg);
|
|
if (arg)
|
|
evts_ptr->destroy.emit(*arg, reinterpret_cast<window>(wd));
|
|
}
|
|
break;
|
|
default:
|
|
throw std::runtime_error("Invalid event code");
|
|
}
|
|
}
|
|
}//end namespace detail
|
|
}//end namespace nana
|