433 lines
10 KiB
C++
433 lines
10 KiB
C++
/*
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* A Basic Window Widget Definition
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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/basic_window.cpp
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*/
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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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namespace nana
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{
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namespace detail
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{
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//class caret_descriptor
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caret_descriptor::caret_descriptor(core_window_t* wd, unsigned width, unsigned height)
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:wd_(wd), size_(width, height), visible_state_(visible_state::invisible), out_of_range_(false)
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{}
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caret_descriptor::~caret_descriptor()
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{
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if(wd_) native_interface::caret_destroy(wd_->root);
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}
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void caret_descriptor::set_active(bool active)
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{
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if(wd_)
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{
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if(active)
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{
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native_interface::caret_create(wd_->root, size_);
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visible_state_ = visible_state::invisible;
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this->position(point_.x, point_.y);
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}
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else
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native_interface::caret_destroy(wd_->root);
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wd_->root_widget->other.attribute.root->ime_enabled = active;
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}
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}
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auto caret_descriptor::window() const ->core_window_t*
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{
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return wd_;
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}
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void caret_descriptor::position(int x, int y)
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{
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point_.x = x;
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point_.y = y;
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update();
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}
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void caret_descriptor::effective_range(nana::rectangle rect)
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{
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//Chech rect
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if (rect.width && rect.height && rect.right() > 0 && rect.bottom() > 0)
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{
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if(rect.x < 0)
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{
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rect.width += rect.x;
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rect.x = 0;
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}
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if(rect.y < 0)
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{
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rect.height += rect.y;
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rect.y = 0;
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}
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if(effective_range_ != rect)
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{
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effective_range_ = rect;
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update();
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}
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}
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}
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nana::point caret_descriptor::position() const
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{
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return point_;
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}
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void caret_descriptor::visible(bool is_show)
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{
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auto pre_displayed = (visible_state::displayed == visible_state_);
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if (is_show)
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{
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visible_state_ = visible_state::visible;
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if (wd_->displayed() && (! out_of_range_))
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visible_state_ = visible_state::displayed;
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}
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else
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visible_state_ = visible_state::invisible;
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if (pre_displayed != (visible_state::displayed == visible_state_))
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native_interface::caret_visible(wd_->root, !pre_displayed);
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}
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bool caret_descriptor::visible() const
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{
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return (visible_state::invisible != visible_state_);
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}
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nana::size caret_descriptor::size() const
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{
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return size_;
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}
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void caret_descriptor::size(const nana::size& s)
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{
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size_ = s;
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update();
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if (visible_state::invisible != visible_state_)
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visible(true);
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}
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void caret_descriptor::update()
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{
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nana::point pos = point_;
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nana::size size = size_;
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nana::rectangle rect = effective_range_;
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if(0 == effective_range_.width || 0 == effective_range_.height)
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{
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rect.x = rect.y = 0;
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rect = wd_->dimension;
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}
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else
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{
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pos.x += effective_range_.x;
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pos.y += effective_range_.y;
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}
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if( (pos.x + static_cast<int>(size.width) <= rect.x) || (pos.x >= rect.right()) ||
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(pos.y + static_cast<int>(size.height) <= rect.y) || (pos.y >= rect.bottom())
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)
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{//Out of Range without overlap
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if(false == out_of_range_)
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{
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out_of_range_ = true;
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if (visible_state::invisible != visible_state_)
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visible(false);
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}
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}
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else
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{
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if(pos.x < rect.x)
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{
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size.width -= (rect.x - pos.x);
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pos.x = rect.x;
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}
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else if(pos.x + static_cast<int>(size.width) > rect.right())
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{
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size.width -= pos.x + size.width - rect.right();
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}
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if(pos.y < rect.y)
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{
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size.width -= (rect.y - pos.y);
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pos.y = rect.y;
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}
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else if(pos.y + static_cast<int>(size.height) > rect.bottom())
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size.height -= pos.y + size.height - rect.bottom();
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if(out_of_range_)
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{
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if (paint_size_ == size)
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visible(true);
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out_of_range_ = false;
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}
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if(paint_size_ != size)
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{
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bool vs = (visible_state::invisible != visible_state_);
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native_interface::caret_destroy(wd_->root);
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native_interface::caret_create(wd_->root, size);
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visible_state_ = visible_state::invisible;
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if (vs)
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visible(true);
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paint_size_ = size;
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}
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native_interface::caret_pos(wd_->root, wd_->pos_root + pos);
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}
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}
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//end class caret_descriptor
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//struct basic_window
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//struct basic_window::other_tag
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basic_window::other_tag::other_tag(category::flags categ)
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: category(categ), active_window(nullptr), upd_state(update_state::none)
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{
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switch(categ)
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{
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case category::root_tag::value:
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attribute.root = new attr_root_tag;
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break;
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case category::frame_tag::value:
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attribute.frame = new attr_frame_tag;
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break;
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default:
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attribute.root = nullptr;
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}
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}
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basic_window::other_tag::~other_tag()
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{
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switch(category)
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{
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case category::root_tag::value:
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delete attribute.root;
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break;
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case category::frame_tag::value:
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delete attribute.frame;
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break;
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default: break;
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}
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}
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//end struct basic_window::other_tag
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//basic_window
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//@brief: constructor for the root window
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basic_window::basic_window(basic_window* owner, std::unique_ptr<widget_notifier_interface>&& wdg_notifier, category::root_tag**)
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: widget_notifier(std::move(wdg_notifier)), other(category::root_tag::value)
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{
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drawer.bind(this);
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_m_init_pos_and_size(nullptr, rectangle());
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this->_m_initialize(owner);
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}
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basic_window::~basic_window()
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{
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delete together.caret;
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together.caret = nullptr;
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delete effect.bground;
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effect.bground = nullptr;
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}
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//bind_native_window
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//@brief: bind a native window and baisc_window
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void basic_window::bind_native_window(native_window_type wd, unsigned width, unsigned height, unsigned extra_width, unsigned extra_height, nana::paint::graphics& graphics)
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{
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if(category::root_tag::value == this->other.category)
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{
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this->root = wd;
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dimension.width = width;
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dimension.height = height;
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this->extra_width = extra_width;
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this->extra_height = extra_height;
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this->root_widget = this;
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this->root_graph = &graphics;
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}
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}
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void basic_window::frame_window(native_window_type wd)
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{
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if(category::frame_tag::value == this->other.category)
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other.attribute.frame->container = wd;
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}
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bool basic_window::is_ancestor_of(const basic_window* wd) const
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{
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while (wd)
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{
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if (this == wd->parent)
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return true;
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wd = wd->parent;
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}
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return false;
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}
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bool basic_window::visible_parents() const
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{
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for (auto pnt = parent; pnt; pnt = pnt->parent)
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{
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if (!pnt->visible)
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return false;
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}
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return true;
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}
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bool basic_window::displayed() const
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{
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return (visible && visible_parents());
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}
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bool basic_window::belong_to_lazy() const
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{
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for (auto wd = this; wd; wd = wd->parent)
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{
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if (basic_window::update_state::refresh == wd->other.upd_state)
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return true;
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}
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return false;
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}
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const basic_window* get_child_caret(const basic_window* wd, bool this_is_a_child)
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{
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if (this_is_a_child && wd->together.caret)
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return wd;
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for (auto child : wd->children)
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{
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auto caret_wd = get_child_caret(child, true);
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if (caret_wd)
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return caret_wd;
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}
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return nullptr;
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}
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const basic_window * basic_window::child_caret() const
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{
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return get_child_caret(this, false);
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}
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bool basic_window::is_draw_through() const
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{
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if (::nana::category::flags::root == this->other.category)
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return static_cast<bool>(other.attribute.root->draw_through);
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return false;
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}
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basic_window * basic_window::seek_non_lite_widget_ancestor() const
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{
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auto anc = this->parent;
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while (anc && (category::flags::lite_widget == anc->other.category))
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anc = anc->parent;
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return anc;
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}
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void basic_window::_m_init_pos_and_size(basic_window* parent, const rectangle& r)
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{
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pos_owner = pos_root = r;
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dimension = r;
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if (parent)
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pos_root += parent->pos_root;
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}
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void basic_window::_m_initialize(basic_window* agrparent)
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{
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if(other.category == category::root_tag::value)
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{
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if(agrparent && (nana::system::this_thread_id() != agrparent->thread_id))
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agrparent = nullptr;
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while(agrparent && (agrparent->other.category != category::root_tag::value))
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agrparent = agrparent->parent;
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owner = agrparent;
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parent = nullptr;
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index = 0;
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}
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else
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{
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parent = agrparent;
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owner = nullptr;
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root_widget = agrparent->root_widget;
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root = agrparent->root;
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root_graph = agrparent->root_graph;
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index = static_cast<unsigned>(agrparent->children.size());
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agrparent->children.push_back(this);
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}
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predef_cursor = cursor::arrow;
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flags.captured = false;
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flags.dbl_click = true;
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flags.enabled = true;
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flags.modal = false;
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flags.take_active = true;
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flags.dropable = false;
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flags.fullscreen = false;
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flags.tab = nana::detail::tab_type::none;
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flags.action = mouse_action::normal;
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flags.refreshing = false;
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flags.destroying = false;
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flags.borderless = false;
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flags.make_bground_declared = false;
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flags.ignore_menubar_focus = false;
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flags.ignore_mouse_focus = false;
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flags.space_click_enabled = false;
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visible = false;
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effect.edge_nimbus = effects::edge_nimbus::none;
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effect.bground = nullptr;
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effect.bground_fade_rate = 0;
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together.caret = nullptr;
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extra_width = extra_height = 0;
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//The window must keep its thread_id same as its parent if it is a child.
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//Otherwise, its root buffer would be mapped repeatly if it is in its parent thread.
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thread_id = nana::system::this_thread_id();
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if(agrparent && (thread_id != agrparent->thread_id))
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thread_id = agrparent->thread_id;
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}
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bool basic_window::set_events(const std::shared_ptr<general_events>& p)
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{
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if (together.events_ptr)
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return false;
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together.events_ptr = p;
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return true;
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}
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general_events * basic_window::get_events() const
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{
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return together.events_ptr.get();
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}
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//end struct basic_window
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}//end namespace detail
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}//end namespace nana
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