nana/source/gui/detail/basic_window.cpp
cnjinhao e64b6ec2b2 Breaking changes for expr_color
Removed the typedef-name nana::color_t
2014-12-18 13:08:44 +08:00

386 lines
9.0 KiB
C++

#include <nana/gui/detail/basic_window.hpp>
#include <nana/gui/detail/native_window_interface.hpp>
namespace nana
{
namespace detail
{
//class caret_descriptor
caret_descriptor::caret_descriptor(core_window_t* wd, unsigned width, unsigned height)
:wd_(wd), size_(width, height), visible_(false), real_visible_state_(false), out_of_range_(false)
{}
caret_descriptor::~caret_descriptor()
{
if(wd_) native_interface::caret_destroy(wd_->root);
}
void caret_descriptor::set_active(bool active)
{
if(wd_)
{
if(active)
{
native_interface::caret_create(wd_->root, size_.width, size_.height);
real_visible_state_ = false;
visible_ = false;
this->position(point_.x, point_.y);
}
else
native_interface::caret_destroy(wd_->root);
wd_->root_widget->other.attribute.root->ime_enabled = active;
}
}
auto caret_descriptor::window() const ->core_window_t*
{
return wd_;
}
void caret_descriptor::position(int x, int y)
{
point_.x = x;
point_.y = y;
update();
}
void caret_descriptor::effective_range(nana::rectangle rect)
{
//Chech rect
if( (rect.width && rect.height) &&
(rect.x + rect.width > 0) &&
(rect.y + rect.height > 0))
{
if(rect.x < 0)
{
rect.width += rect.x;
rect.x = 0;
}
if(rect.y < 0)
{
rect.height += rect.y;
rect.y = 0;
}
if(effective_range_ != rect)
{
effective_range_ = rect;
update();
}
}
}
nana::point caret_descriptor::position() const
{
return point_;
}
void caret_descriptor::visible(bool isshow)
{
if(visible_ != isshow)
{
visible_ = isshow;
if(visible_ == false || false == out_of_range_)
_m_visible(isshow);
}
}
bool caret_descriptor::visible() const
{
return visible_;
}
nana::size caret_descriptor::size() const
{
return size_;
}
void caret_descriptor::size(const nana::size& s)
{
size_ = s;
update();
if(visible_) this->visible(true);
}
void caret_descriptor::_m_visible(bool isshow)
{
if(real_visible_state_ != isshow)
{
real_visible_state_ = isshow;
native_interface::caret_visible(wd_->root, isshow);
}
}
void caret_descriptor::update()
{
nana::point pos = point_;
nana::size size = size_;
nana::rectangle rect = effective_range_;
if(0 == effective_range_.width || 0 == effective_range_.height)
{
rect.x = rect.y = 0;
rect = wd_->dimension;
}
else
{
pos.x += effective_range_.x;
pos.y += effective_range_.y;
}
if( (pos.x + static_cast<int>(size.width) <= rect.x) || (pos.x >= rect.x + static_cast<int>(rect.width)) ||
(pos.y + static_cast<int>(size.height) <= rect.y) || (pos.y >= rect.y + static_cast<int>(rect.height))
)
{//Out of Range without overlap
if(false == out_of_range_)
{
out_of_range_ = true;
if(visible_)
_m_visible(false);
}
}
else
{
if(pos.x < rect.x)
{
size.width -= (rect.x - pos.x);
pos.x = rect.x;
}
else if(pos.x + size.width > rect.x + rect.width)
{
size.width -= pos.x + size.width - (rect.x + rect.width);
}
if(pos.y < rect.y)
{
size.width -= (rect.y - pos.y);
pos.y = rect.y;
}
else if(pos.y + size.height > rect.y + rect.height)
size.height -= pos.y + size.height - (rect.y + rect.height);
if(out_of_range_)
{
if(paint_size_ == size)
_m_visible(true);
out_of_range_ = false;
}
if(paint_size_ != size)
{
native_interface::caret_destroy(wd_->root);
native_interface::caret_create(wd_->root, size.width, size.height);
real_visible_state_ = false;
if(visible_)
_m_visible(true);
paint_size_ = size;
}
native_interface::caret_pos(wd_->root, wd_->pos_root.x + pos.x, wd_->pos_root.y + pos.y);
}
}
//end class caret_descriptor
//struct basic_window
//struct basic_window::other_tag
basic_window::other_tag::other_tag(category::flags categ)
: category(categ), active_window(nullptr), upd_state(update_state::none)
{
switch(categ)
{
case category::root_tag::value:
attribute.root = new attr_root_tag;
attribute.root->context.focus_changed = false;
break;
case category::frame_tag::value:
attribute.frame = new attr_frame_tag;
break;
default:
attribute.root = nullptr;
}
}
basic_window::other_tag::~other_tag()
{
switch(category)
{
case category::root_tag::value:
delete attribute.root;
break;
case category::frame_tag::value:
delete attribute.frame;
break;
default: break;
}
}
//end struct basic_window::other_tag
//basic_window
//@brief: constructor for the root window
basic_window::basic_window(basic_window* owner, widget* wdg, category::root_tag**)
: widget_ptr(wdg), other(category::root_tag::value)
{
drawer.bind(this);
_m_init_pos_and_size(0, rectangle());
this->_m_initialize(owner);
}
basic_window::~basic_window()
{
delete together.caret;
together.caret = nullptr;
delete effect.bground;
effect.bground = nullptr;
}
//bind_native_window
//@brief: bind a native window and baisc_window
void basic_window::bind_native_window(native_window_type wd, unsigned width, unsigned height, unsigned extra_width, unsigned extra_height, nana::paint::graphics& graphics)
{
if(category::root_tag::value == this->other.category)
{
this->root = wd;
dimension.width = width;
dimension.height = height;
this->extra_width = extra_width;
this->extra_height = extra_height;
this->root_widget = this;
this->root_graph = &graphics;
}
}
void basic_window::frame_window(native_window_type wd)
{
if(category::frame_tag::value == this->other.category)
other.attribute.frame->container = wd;
}
bool basic_window::is_ancestor_of(const basic_window* wd) const
{
while (wd)
{
if (this == wd->parent)
return true;
wd = wd->parent;
}
return false;
}
bool basic_window::visible_parents() const
{
for (auto pnt = parent; pnt; pnt = pnt->parent)
{
if (!pnt->visible)
return false;
}
return true;
}
bool basic_window::belong_to_lazy() const
{
for (auto wd = this; wd; wd = wd->parent)
{
if (basic_window::update_state::refresh == wd->other.upd_state)
return true;
}
return false;
}
void basic_window::_m_init_pos_and_size(basic_window* parent, const rectangle& r)
{
pos_owner = pos_root = r;
dimension = r;
if(parent)
{
pos_root.x += parent->pos_root.x;
pos_root.y += parent->pos_root.y;
}
}
void basic_window::_m_initialize(basic_window* agrparent)
{
if(other.category == category::root_tag::value)
{
if(agrparent && (nana::system::this_thread_id() != agrparent->thread_id))
agrparent = nullptr;
while(agrparent && (agrparent->other.category != category::root_tag::value))
agrparent = agrparent->parent;
owner = agrparent;
parent = nullptr;
index = 0;
}
else
{
parent = agrparent;
owner = nullptr;
root_widget = agrparent->root_widget;
root = agrparent->root;
root_graph = agrparent->root_graph;
index = static_cast<unsigned>(agrparent->children.size());
agrparent->children.push_back(this);
}
predef_cursor = cursor::arrow;
flags.capture = false;
flags.dbl_click = true;
flags.enabled = true;
flags.modal = false;
flags.take_active = true;
flags.dropable = false;
flags.fullscreen = false;
flags.tab = nana::detail::tab_type::none;
flags.action = mouse_action::normal;
flags.refreshing = false;
flags.destroying = false;
flags.borderless = false;
visible = false;
colors.fgcolor = ::nana::colors::black;
colors.bgcolor = ::nana::colors::button_face;
colors.activated.from_rgb(0x60, 0xc8, 0xfd);
effect.edge_nimbus = effects::edge_nimbus::none;
effect.bground = nullptr;
effect.bground_fade_rate = 0;
together.caret = nullptr;
together.attached_events = nullptr;
extra_width = extra_height = 0;
//The window must keep its thread_id same as its parent if it is a child.
//Otherwise, its root buffer would be mapped repeatly if it is in its parent thread.
thread_id = nana::system::this_thread_id();
if(agrparent && (thread_id != agrparent->thread_id))
thread_id = agrparent->thread_id;
}
bool basic_window::set_events(const std::shared_ptr<general_events>& p)
{
if (together.attached_events)
return false;
together.events_ptr = p;
together.attached_events = p.get();
return true;
}
general_events * basic_window::get_events() const
{
return together.attached_events;
}
//end struct basic_window
}//end namespace detail
}//end namespace nana