639 lines
15 KiB
C++
639 lines
15 KiB
C++
/*
|
|
* A Menubar implementation
|
|
* Nana C++ Library(http://www.nanapro.org)
|
|
* Copyright(C) 2009-2017 Jinhao(cnjinhao@hotmail.com)
|
|
*
|
|
* Distributed under the Boost Software License, Version 1.0.
|
|
* (See accompanying file LICENSE_1_0.txt or copy at
|
|
* http://www.boost.org/LICENSE_1_0.txt)
|
|
*
|
|
* @file: nana/gui/widgets/menubar.cpp
|
|
*/
|
|
|
|
#include <nana/gui/widgets/menubar.hpp>
|
|
#include <stdexcept>
|
|
|
|
namespace nana
|
|
{
|
|
class menu_accessor
|
|
{
|
|
public:
|
|
static void popup(menu& m, window wd, int x, int y)
|
|
{
|
|
m._m_popup(wd, { x, y }, true);
|
|
}
|
|
};
|
|
|
|
namespace drawerbase
|
|
{
|
|
namespace menubar
|
|
{
|
|
struct item_type
|
|
{
|
|
item_type(const native_string_type text, unsigned long shortkey)
|
|
: text(text), shortkey(shortkey)
|
|
{}
|
|
|
|
native_string_type text;
|
|
unsigned long shortkey;
|
|
::nana::menu menu_obj;
|
|
::nana::point pos;
|
|
::nana::size size;
|
|
};
|
|
|
|
class trigger::itembase
|
|
{
|
|
public:
|
|
using container = std::vector<item_type*>;
|
|
|
|
~itembase()
|
|
{
|
|
for(auto i : cont_)
|
|
delete i;
|
|
}
|
|
|
|
void append(const native_string_type& text, unsigned long shortkey)
|
|
{
|
|
if(shortkey && shortkey < 0x61) shortkey += (0x61 - 0x41);
|
|
cont_.emplace_back(new item_type(text, shortkey));
|
|
}
|
|
|
|
std::size_t find(unsigned long shortkey) const
|
|
{
|
|
if(shortkey)
|
|
{
|
|
if(shortkey < 0x61) shortkey += (0x61 - 0x41);
|
|
|
|
std::size_t index = 0;
|
|
for(auto i : cont_)
|
|
{
|
|
if(i->shortkey == shortkey)
|
|
return index;
|
|
++index;
|
|
}
|
|
}
|
|
return npos;
|
|
}
|
|
|
|
const container& cont() const
|
|
{
|
|
return cont_;
|
|
}
|
|
private:
|
|
container cont_;
|
|
};
|
|
|
|
//class item_renderer
|
|
item_renderer::item_renderer(window wd, graph_reference graph)
|
|
:graph_(graph), scheme_ptr_(static_cast<scheme*>(API::dev::get_scheme(wd)))
|
|
{}
|
|
|
|
void item_renderer::background(const nana::point& pos, const nana::size& size, state item_state)
|
|
{
|
|
auto bground = scheme_ptr_->text_fgcolor;
|
|
::nana::color border, body, corner;
|
|
|
|
switch (item_state)
|
|
{
|
|
case state::highlighted:
|
|
border = scheme_ptr_->border_highlight;
|
|
body = scheme_ptr_->body_highlight;
|
|
corner = body.blend(bground, 0.5);
|
|
break;
|
|
case state::selected:
|
|
border = scheme_ptr_->border_selected;
|
|
body = scheme_ptr_->body_selected;
|
|
corner = body.blend(bground, 0.5);
|
|
break;
|
|
default: //Don't process other states.
|
|
return;
|
|
}
|
|
|
|
nana::rectangle r(pos, size);
|
|
graph_.rectangle(r, false, border);
|
|
|
|
graph_.palette(false, corner);
|
|
|
|
paint::draw{ graph_ }.corner(r, 1);
|
|
graph_.rectangle(r.pare_off(1), true, body);
|
|
}
|
|
|
|
void item_renderer::caption(const point& pos, const native_string_type& text)
|
|
{
|
|
graph_.string(pos, text, scheme_ptr_->text_fgcolor);
|
|
|
|
}
|
|
//end class item_renderer
|
|
|
|
//class trigger
|
|
trigger::trigger()
|
|
: widget_(nullptr)
|
|
, graph_(nullptr)
|
|
, items_(new itembase) {}
|
|
|
|
trigger::~trigger()
|
|
{
|
|
delete items_;
|
|
}
|
|
|
|
nana::menu* trigger::push_back(const std::string& text)
|
|
{
|
|
wchar_t shkey;
|
|
API::transform_shortkey_text(text, shkey, nullptr);
|
|
|
|
if(shkey)
|
|
API::register_shortkey(widget_->handle(), shkey);
|
|
|
|
auto pos = items_->cont().size();
|
|
items_->append(to_nstring(text), shkey);
|
|
refresh(*graph_);
|
|
API::update_window(*widget_);
|
|
|
|
return at(pos);
|
|
}
|
|
|
|
nana::menu* trigger::at(std::size_t pos) const
|
|
{
|
|
if (pos < items_->cont().size())
|
|
return &(items_->cont()[pos]->menu_obj);
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
std::size_t trigger::size() const
|
|
{
|
|
return items_->cont().size();
|
|
}
|
|
|
|
void trigger::attached(widget_reference widget, graph_reference graph)
|
|
{
|
|
graph_ = &graph;
|
|
widget_ = &widget;
|
|
}
|
|
|
|
void trigger::refresh(graph_reference graph)
|
|
{
|
|
auto bgcolor = API::bgcolor(*widget_);
|
|
graph_->rectangle(true, bgcolor);
|
|
|
|
item_renderer ird(*widget_, graph);
|
|
|
|
nana::point item_pos(2, 2);
|
|
nana::size item_s(0, 23);
|
|
|
|
unsigned long index = 0;
|
|
for (auto i : items_->cont())
|
|
{
|
|
//Transform the text if it contains the hotkey character
|
|
wchar_t hotkey;
|
|
::std::wstring::size_type hotkey_pos;
|
|
auto text = API::transform_shortkey_text(to_utf8(i->text), hotkey, &hotkey_pos);
|
|
|
|
nana::size text_s = graph.text_extent_size(text);
|
|
|
|
item_s.width = text_s.width + 16;
|
|
|
|
i->pos = item_pos;
|
|
i->size = item_s;
|
|
|
|
using state = item_renderer::state;
|
|
state item_state = (index != state_.active ? state::normal : (state_.menu_active ? state::selected : state::highlighted));
|
|
ird.background(item_pos, item_s, item_state);
|
|
|
|
if (state::selected == item_state)
|
|
{
|
|
int x = item_pos.x + item_s.width;
|
|
int y1 = item_pos.y + 2, y2 = item_pos.y + item_s.height - 1;
|
|
graph.line({ x, y1 }, { x, y2 }, bgcolor.blend(colors::gray_border, 0.6));
|
|
graph.line({ x + 1, y1 }, { x + 1, y2 }, bgcolor.blend(colors::button_face_shadow_end, 0.5));
|
|
}
|
|
|
|
//Draw text, the text is transformed from orignal for hotkey character
|
|
int text_top_off = (item_s.height - text_s.height) / 2;
|
|
ird.caption({ item_pos.x + 8, item_pos.y + text_top_off }, to_nstring(text));
|
|
|
|
if (hotkey)
|
|
{
|
|
unsigned off_w = (hotkey_pos ? graph.text_extent_size(text.c_str(), hotkey_pos).width : 0);
|
|
auto hotkey_size = graph.text_extent_size(nana::to_wstring(text.c_str() + hotkey_pos), 1);
|
|
|
|
unsigned ascent, descent, inleading;
|
|
graph.text_metrics(ascent, descent, inleading);
|
|
int x = item_pos.x + 8 + off_w;
|
|
int y = item_pos.y + text_top_off + ascent + 1;
|
|
graph.line({ x, y }, { x + static_cast<int>(hotkey_size.width) - 1, y }, ird.scheme_ptr()->text_fgcolor);
|
|
}
|
|
|
|
item_pos.x += i->size.width;
|
|
++index;
|
|
}
|
|
}
|
|
|
|
void trigger::mouse_move(graph_reference graph, const arg_mouse& arg)
|
|
{
|
|
if (arg.pos != state_.mouse_pos)
|
|
state_.nullify_mouse = false;
|
|
|
|
bool popup = false;
|
|
if(state_.behavior == state_type::behavior_focus)
|
|
{
|
|
auto index = _m_item_by_pos(arg.pos);
|
|
if(index != npos && state_.active != index)
|
|
{
|
|
state_.active = index;
|
|
popup = true;
|
|
}
|
|
}
|
|
else
|
|
popup = _m_track_mouse(arg.pos);
|
|
|
|
if(popup)
|
|
{
|
|
_m_popup_menu();
|
|
refresh(graph);
|
|
API::dev::lazy_refresh();
|
|
}
|
|
|
|
state_.mouse_pos = arg.pos;
|
|
}
|
|
|
|
void trigger::mouse_leave(graph_reference graph, const arg_mouse& arg)
|
|
{
|
|
state_.nullify_mouse = false;
|
|
mouse_move(graph, arg);
|
|
}
|
|
|
|
void trigger::mouse_down(graph_reference graph, const arg_mouse& arg)
|
|
{
|
|
state_.nullify_mouse = false;
|
|
state_.active = _m_item_by_pos(arg.pos);
|
|
|
|
if (npos != state_.active)
|
|
{
|
|
if (!state_.menu_active)
|
|
state_.menu_active = true;
|
|
|
|
_m_popup_menu();
|
|
}
|
|
else
|
|
_m_total_close();
|
|
|
|
refresh(graph);
|
|
API::dev::lazy_refresh();
|
|
}
|
|
|
|
void trigger::mouse_up(graph_reference graph, const arg_mouse&)
|
|
{
|
|
state_.nullify_mouse = false;
|
|
|
|
if(state_.behavior != state_.behavior_menu)
|
|
{
|
|
if(state_.menu_active)
|
|
state_.behavior = state_.behavior_menu;
|
|
}
|
|
else
|
|
{
|
|
state_.behavior = state_.behavior_none;
|
|
_m_total_close();
|
|
refresh(graph);
|
|
API::dev::lazy_refresh();
|
|
}
|
|
}
|
|
|
|
void trigger::focus(graph_reference graph, const arg_focus& arg)
|
|
{
|
|
if((arg.getting == false) && (state_.active != npos))
|
|
{
|
|
state_.behavior = state_type::behavior_none;
|
|
state_.nullify_mouse = true;
|
|
state_.menu_active = false;
|
|
_m_close_menu();
|
|
state_.active = npos;
|
|
refresh(graph);
|
|
API::dev::lazy_refresh();
|
|
}
|
|
}
|
|
|
|
void trigger::key_press(graph_reference graph, const arg_keyboard& arg)
|
|
{
|
|
state_.nullify_mouse = true;
|
|
if(state_.menu)
|
|
{
|
|
switch(arg.key)
|
|
{
|
|
case keyboard::os_arrow_down:
|
|
case keyboard::backspace:
|
|
case keyboard::os_arrow_up:
|
|
state_.menu->goto_next(keyboard::os_arrow_down == arg.key);
|
|
break;
|
|
case keyboard::os_arrow_right:
|
|
if(state_.menu->goto_submen() == false)
|
|
_m_move(false);
|
|
break;
|
|
case keyboard::os_arrow_left:
|
|
if(state_.menu->exit_submenu() == false)
|
|
_m_move(true);
|
|
break;
|
|
case keyboard::escape:
|
|
if(state_.menu->exit_submenu() == false)
|
|
{
|
|
_m_close_menu();
|
|
state_.behavior = state_.behavior_focus;
|
|
state_.menu_active = false;
|
|
}
|
|
break;
|
|
case keyboard::enter:
|
|
state_.menu->pick();
|
|
break;
|
|
default:
|
|
//Katsuhisa Yuasa: menubar key_press improvements
|
|
//send_shortkey has 3 states, 0 = UNKNOWN KEY, 1 = ITEM, 2 = GOTO SUBMENU
|
|
int sk_state = state_.menu->send_shortkey(arg.key);
|
|
switch(sk_state)
|
|
{
|
|
case 0: //UNKNOWN KEY
|
|
break;
|
|
case 1: //ITEM
|
|
if (state_.active != npos)
|
|
{
|
|
_m_total_close();
|
|
if (arg.key == 18) //ALT
|
|
state_.behavior = state_.behavior_focus;
|
|
}
|
|
break;
|
|
case 2: //GOTO SUBMENU
|
|
state_.menu->goto_submen();
|
|
break;
|
|
default: break;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
switch(arg.key)
|
|
{
|
|
case keyboard::os_arrow_right:
|
|
case keyboard::backspace:
|
|
case keyboard::os_arrow_left:
|
|
_m_move(keyboard::os_arrow_right != arg.key);
|
|
break;
|
|
case keyboard::os_arrow_up:
|
|
case keyboard::os_arrow_down:
|
|
case keyboard::enter:
|
|
state_.menu_active = true;
|
|
if(_m_popup_menu())
|
|
state_.menu->goto_next(true);
|
|
break;
|
|
case keyboard::escape:
|
|
if(state_.behavior == state_.behavior_focus)
|
|
{
|
|
state_.active= npos;
|
|
state_.behavior = state_.behavior_none;
|
|
}
|
|
break;
|
|
default:
|
|
auto index = items_->find(arg.key);
|
|
if(index != npos)
|
|
{
|
|
state_.active = index;
|
|
state_.menu_active = true;
|
|
if(_m_popup_menu())
|
|
state_.menu->goto_next(true);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
refresh(graph);
|
|
API::dev::lazy_refresh();
|
|
}
|
|
|
|
void trigger::key_release(graph_reference graph, const arg_keyboard& arg)
|
|
{
|
|
if(arg.key == 18)
|
|
{
|
|
if(state_.behavior == state_type::behavior_none)
|
|
{
|
|
state_.behavior = state_type::behavior_focus;
|
|
state_.active = 0;
|
|
}
|
|
else
|
|
{
|
|
state_.behavior = state_type::behavior_none;
|
|
auto pos = API::cursor_position();
|
|
API::calc_window_point(widget_->handle(), pos);
|
|
state_.active = _m_item_by_pos(pos);
|
|
}
|
|
|
|
state_.menu_active = false;
|
|
refresh(graph);
|
|
API::dev::lazy_refresh();
|
|
}
|
|
}
|
|
|
|
void trigger::shortkey(graph_reference graph, const arg_keyboard& arg)
|
|
{
|
|
API::focus_window(widget_->handle());
|
|
|
|
auto index = items_->find(arg.key);
|
|
if(index != npos && (index != state_.active || nullptr == state_.menu))
|
|
{
|
|
_m_close_menu();
|
|
state_.menu_active = true;
|
|
state_.nullify_mouse = true;
|
|
state_.active = index;
|
|
|
|
if(_m_popup_menu())
|
|
state_.menu->goto_next(true);
|
|
|
|
refresh(graph);
|
|
API::dev::lazy_refresh();
|
|
state_.behavior = state_.behavior_menu;
|
|
}
|
|
}
|
|
|
|
void trigger::_m_move(bool to_left)
|
|
{
|
|
if(items_->cont().empty()) return;
|
|
|
|
const std::size_t last_pos = items_->cont().size() - 1;
|
|
auto index = state_.active;
|
|
if(to_left)
|
|
{
|
|
--index;
|
|
if (index > last_pos)
|
|
index = last_pos;
|
|
}
|
|
else
|
|
{
|
|
++index;
|
|
if(index > last_pos)
|
|
index = 0;
|
|
}
|
|
|
|
if(index != state_.active)
|
|
{
|
|
state_.active = index;
|
|
refresh(*graph_);
|
|
API::dev::lazy_refresh();
|
|
|
|
if(_m_popup_menu())
|
|
state_.menu->goto_next(true);
|
|
}
|
|
}
|
|
|
|
bool trigger::_m_popup_menu()
|
|
{
|
|
auto& items = items_->cont();
|
|
|
|
auto pos = state_.active;
|
|
if (pos >= items.size())
|
|
return false;
|
|
|
|
if(state_.menu_active && (state_.menu != &(items[pos]->menu_obj)))
|
|
{
|
|
API::dev::delay_restore(true);
|
|
_m_close_menu();
|
|
API::dev::delay_restore(false);
|
|
state_.active = pos;
|
|
|
|
auto & m = items[pos];
|
|
state_.menu = &(m->menu_obj);
|
|
state_.menu->destroy_answer([this]
|
|
{
|
|
state_.menu = nullptr;
|
|
if (state_.passive_close)
|
|
{
|
|
_m_total_close();
|
|
|
|
refresh(*graph_);
|
|
API::update_window(widget_->handle());
|
|
}
|
|
});
|
|
|
|
if (API::focus_window() != this->widget_->handle())
|
|
API::focus_window(widget_->handle());
|
|
menu_accessor::popup(*state_.menu, *widget_, m->pos.x, m->pos.y + static_cast<int>(m->size.height));
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void trigger::_m_total_close()
|
|
{
|
|
_m_close_menu();
|
|
state_.menu_active = false;
|
|
state_.behavior = state_.behavior_none;
|
|
|
|
auto pos = API::cursor_position();
|
|
API::calc_window_point(widget_->handle(), pos);
|
|
state_.active = _m_item_by_pos(pos);
|
|
}
|
|
|
|
bool trigger::_m_close_menu()
|
|
{
|
|
if(state_.menu)
|
|
{
|
|
state_.passive_close = false;
|
|
state_.menu->close();
|
|
state_.passive_close = true;
|
|
state_.menu = nullptr;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
std::size_t trigger::_m_item_by_pos(const ::nana::point& pos)
|
|
{
|
|
if((2 <= pos.x) && (2 <= pos.y) && (pos.y < 25))
|
|
{
|
|
int item_x = 2;
|
|
std::size_t index = 0;
|
|
for(auto i : items_->cont())
|
|
{
|
|
if(item_x <= pos.x && pos.x < item_x + static_cast<int>(i->size.width))
|
|
return index;
|
|
|
|
item_x += i->size.width;
|
|
++index;
|
|
}
|
|
}
|
|
|
|
return npos;
|
|
}
|
|
|
|
bool trigger::_m_track_mouse(const ::nana::point& pos)
|
|
{
|
|
if(state_.nullify_mouse == false)
|
|
{
|
|
auto which = _m_item_by_pos(pos);
|
|
if((which != state_.active) && (which != npos || (false == state_.menu_active)))
|
|
{
|
|
state_.active = which;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
//struct state_type
|
|
trigger::state_type::state_type()
|
|
: active(npos),
|
|
behavior(behavior_none),
|
|
menu_active(false),
|
|
passive_close(true),
|
|
nullify_mouse(false),
|
|
menu(nullptr)
|
|
{}
|
|
//end struct state_type
|
|
//end class trigger
|
|
}//end namespace menubar
|
|
}//end namespace drawerbase
|
|
|
|
|
|
//class menubar
|
|
menubar::menubar(window wd)
|
|
{
|
|
create(wd);
|
|
}
|
|
|
|
menubar::~menubar()
|
|
{
|
|
API::umake_event(evt_resized_);
|
|
}
|
|
|
|
void menubar::create(window wd)
|
|
{
|
|
widget_object<category::widget_tag, drawerbase::menubar::trigger, ::nana::general_events, drawerbase::menubar::scheme>
|
|
::create(wd, rectangle(nana::size(API::window_size(wd).width, 28)));
|
|
|
|
API::dev::set_menubar(handle(), true);
|
|
evt_resized_ = API::events(wd).resized.connect([this](const ::nana::arg_resized& arg)
|
|
{
|
|
auto sz = this->size();
|
|
sz.width = arg.width;
|
|
this->size(sz);
|
|
});
|
|
}
|
|
|
|
menu& menubar::push_back(const std::string& text)
|
|
{
|
|
return *(get_drawer_trigger().push_back(text));
|
|
}
|
|
|
|
menu& menubar::at(std::size_t index) const
|
|
{
|
|
auto p = get_drawer_trigger().at(index);
|
|
if(nullptr == p)
|
|
throw std::out_of_range("menubar::at, out of range");
|
|
return *p;
|
|
}
|
|
|
|
std::size_t menubar::length() const
|
|
{
|
|
return get_drawer_trigger().size();
|
|
}
|
|
//end class menubar
|
|
}//end namespace nana
|