502 lines
12 KiB
C++
502 lines
12 KiB
C++
/*
|
|
* A Button Implementation
|
|
* Nana C++ Library(http://www.nanapro.org)
|
|
* Copyright(C) 2003-2015 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/button.cpp
|
|
*/
|
|
|
|
#include <nana/gui/widgets/button.hpp>
|
|
#include <nana/paint/text_renderer.hpp>
|
|
|
|
namespace nana{ namespace drawerbase
|
|
{
|
|
namespace button
|
|
{
|
|
//trigger
|
|
//@brief: draw the button
|
|
trigger::trigger()
|
|
{
|
|
attr_.e_state = element_state::normal;
|
|
attr_.omitted = attr_.focused = attr_.pushed = attr_.enable_pushed = attr_.keep_pressed = false;
|
|
attr_.focus_color = true;
|
|
attr_.icon = nullptr;
|
|
}
|
|
|
|
trigger::~trigger()
|
|
{
|
|
delete attr_.icon;
|
|
}
|
|
|
|
void trigger::attached(widget_reference widget, graph_reference graph)
|
|
{
|
|
graph_ = &graph;
|
|
|
|
wdg_ = &widget;
|
|
window wd = widget;
|
|
|
|
API::tabstop(wd);
|
|
API::effects_edge_nimbus(wd, effects::edge_nimbus::active);
|
|
API::effects_edge_nimbus(wd, effects::edge_nimbus::over);
|
|
}
|
|
|
|
bool trigger::enable_pushed(bool eb)
|
|
{
|
|
attr_.enable_pushed = eb;
|
|
return((eb == false) && pushed(false));
|
|
}
|
|
|
|
bool trigger::pushed(bool pshd)
|
|
{
|
|
if(pshd != attr_.pushed)
|
|
{
|
|
attr_.pushed = pshd;
|
|
if(false == pshd)
|
|
{
|
|
if (API::find_window(API::cursor_position()) == wdg_->handle())
|
|
attr_.e_state = element_state::hovered;
|
|
else
|
|
attr_.e_state = element_state::normal;
|
|
}
|
|
else
|
|
attr_.e_state = element_state::pressed;
|
|
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool trigger::pushed() const
|
|
{
|
|
return attr_.pushed;
|
|
}
|
|
|
|
void trigger::omitted(bool om)
|
|
{
|
|
attr_.omitted = om;
|
|
}
|
|
|
|
bool trigger::focus_color(bool eb)
|
|
{
|
|
if(eb != attr_.focus_color)
|
|
{
|
|
attr_.focus_color = eb;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
element::cite_bground & trigger::cite()
|
|
{
|
|
return cite_;
|
|
}
|
|
|
|
void trigger::refresh(graph_reference graph)
|
|
{
|
|
_m_draw(graph);
|
|
}
|
|
|
|
|
|
void trigger::mouse_enter(graph_reference graph, const arg_mouse&)
|
|
{
|
|
attr_.e_state = (attr_.pushed || attr_.keep_pressed ? element_state::pressed : element_state::hovered);
|
|
_m_draw(graph);
|
|
API::lazy_refresh();
|
|
}
|
|
|
|
void trigger::mouse_leave(graph_reference graph, const arg_mouse&)
|
|
{
|
|
if(attr_.enable_pushed && attr_.pushed)
|
|
return;
|
|
|
|
attr_.e_state = element_state::normal;
|
|
_m_draw(graph);
|
|
API::lazy_refresh();
|
|
}
|
|
|
|
void trigger::mouse_down(graph_reference graph, const arg_mouse&)
|
|
{
|
|
attr_.e_state = element_state::pressed;
|
|
attr_.keep_pressed = true;
|
|
|
|
_m_draw(graph);
|
|
API::capture_window(*wdg_, true);
|
|
API::lazy_refresh();
|
|
}
|
|
|
|
void trigger::mouse_up(graph_reference graph, const arg_mouse&)
|
|
{
|
|
API::capture_window(*wdg_, false);
|
|
attr_.keep_pressed = false;
|
|
if(attr_.enable_pushed && (false == attr_.pushed))
|
|
{
|
|
attr_.pushed = true;
|
|
}
|
|
else
|
|
{
|
|
if (element_state::pressed == attr_.e_state)
|
|
attr_.e_state = element_state::hovered;
|
|
else
|
|
attr_.e_state = element_state::normal;
|
|
|
|
attr_.pushed = false;
|
|
_m_draw(graph);
|
|
API::lazy_refresh();
|
|
}
|
|
}
|
|
|
|
void trigger::key_char(graph_reference, const arg_keyboard& arg)
|
|
{
|
|
if(arg.key == static_cast<char_t>(keyboard::enter))
|
|
emit_click();
|
|
}
|
|
|
|
void trigger::key_press(graph_reference, const arg_keyboard& arg)
|
|
{
|
|
bool ch_tabstop_next;
|
|
switch(arg.key)
|
|
{
|
|
case keyboard::os_arrow_left: case keyboard::os_arrow_up:
|
|
ch_tabstop_next = false;
|
|
break;
|
|
case keyboard::os_arrow_right: case keyboard::os_arrow_down:
|
|
ch_tabstop_next = true;
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
API::move_tabstop(*wdg_, ch_tabstop_next);
|
|
}
|
|
|
|
void trigger::focus(graph_reference graph, const arg_focus& arg)
|
|
{
|
|
attr_.focused = arg.getting;
|
|
_m_draw(graph);
|
|
API::lazy_refresh();
|
|
}
|
|
|
|
void trigger::_m_draw_title(graph_reference graph, bool enabled)
|
|
{
|
|
nana::string text = wdg_->caption();
|
|
|
|
nana::string::value_type shortkey;
|
|
nana::string::size_type shortkey_pos;
|
|
nana::string str = API::transform_shortkey_text(text, shortkey, &shortkey_pos);
|
|
|
|
nana::size ts = graph.text_extent_size(str);
|
|
nana::size gsize = graph.size();
|
|
|
|
nana::size icon_sz;
|
|
if(attr_.icon)
|
|
{
|
|
icon_sz = attr_.icon->size();
|
|
icon_sz.width += 5;
|
|
}
|
|
|
|
nana::point pos{
|
|
static_cast<int>(gsize.width - 1 - ts.width) >> 1, static_cast<int>(gsize.height - 1 - ts.height) >> 1
|
|
};
|
|
|
|
if(pos.x < static_cast<int>(icon_sz.width))
|
|
pos.x = static_cast<int>(icon_sz.width);
|
|
|
|
unsigned omitted_pixels = gsize.width - icon_sz.width;
|
|
std::size_t txtlen = str.size();
|
|
const nana::char_t* txtptr = str.c_str();
|
|
if(ts.width)
|
|
{
|
|
nana::paint::text_renderer tr(graph);
|
|
if(enabled)
|
|
{
|
|
if (element_state::pressed == attr_.e_state)
|
|
{
|
|
++pos.x;
|
|
++pos.y;
|
|
}
|
|
//color_t fgcolor = (attr_.focus_color ? (attr_.focused ? 0xFF : attr_.fgcolor) : attr_.fgcolor);
|
|
auto fgcolor = attr_.fgcolor;
|
|
if (attr_.focus_color && attr_.focused)
|
|
fgcolor = ::nana::color(colors::blue);
|
|
|
|
graph.set_text_color(fgcolor);
|
|
|
|
if (attr_.omitted)
|
|
tr.render(pos, txtptr, txtlen, omitted_pixels, true);
|
|
else
|
|
graph.bidi_string(pos, txtptr, txtlen);
|
|
|
|
if(shortkey)
|
|
{
|
|
unsigned off_w = (shortkey_pos ? graph.text_extent_size(str, static_cast<unsigned>(shortkey_pos)).width : 0);
|
|
nana::size shortkey_size = graph.text_extent_size(txtptr + shortkey_pos, 1);
|
|
pos.x += off_w;
|
|
pos.y += static_cast<int>(shortkey_size.height);
|
|
graph.set_color(colors::black);
|
|
graph.line(pos, point{ pos.x + static_cast<int>(shortkey_size.width) - 1, pos.y });
|
|
}
|
|
}
|
|
else
|
|
{
|
|
graph.set_text_color(::nana::color(colors::white));
|
|
if(attr_.omitted)
|
|
{
|
|
tr.render(point{ pos.x + 1, pos.y + 1 }, txtptr, txtlen, omitted_pixels, true);
|
|
graph.set_text_color(::nana::color(colors::gray));
|
|
tr.render(pos, txtptr, txtlen, omitted_pixels, true);
|
|
}
|
|
else
|
|
{
|
|
graph.bidi_string(point{ pos.x + 1, pos.y + 1 }, txtptr, txtlen);
|
|
graph.set_text_color(::nana::color(colors::gray));
|
|
graph.bidi_string(pos, txtptr, txtlen);
|
|
}
|
|
}
|
|
}
|
|
|
|
if(attr_.icon)
|
|
attr_.icon->paste(graph, 3, (gsize.height - icon_sz.height) / 2);
|
|
}
|
|
|
|
void trigger::_m_draw(graph_reference graph)
|
|
{
|
|
bool eb = wdg_->enabled();;
|
|
|
|
attr_.bgcolor = wdg_->bgcolor();
|
|
attr_.fgcolor = wdg_->fgcolor();
|
|
|
|
element_state e_state = attr_.e_state;
|
|
if (eb)
|
|
{
|
|
if (attr_.focused)
|
|
{
|
|
if (element_state::normal == e_state)
|
|
e_state = element_state::focus_normal;
|
|
else if (element_state::hovered == e_state)
|
|
e_state = element_state::focus_hovered;
|
|
}
|
|
}
|
|
else
|
|
e_state = element_state::disabled;
|
|
|
|
if (false == cite_.draw(graph, attr_.bgcolor, attr_.fgcolor, ::nana::rectangle{ graph.size() }, e_state))
|
|
{
|
|
if (bground_mode::basic != API::effects_bground_mode(wdg_->handle()))
|
|
{
|
|
_m_draw_background(graph);
|
|
_m_draw_border(graph);
|
|
}
|
|
}
|
|
_m_draw_title(graph, eb);
|
|
}
|
|
|
|
void trigger::_m_draw_background(graph_reference graph)
|
|
{
|
|
nana::rectangle r(graph.size());
|
|
r.pare_off(1);
|
|
|
|
auto from = attr_.bgcolor.blend(colors::white, 0.2);
|
|
auto to = attr_.bgcolor.blend(colors::black, 0.95);
|
|
|
|
if (element_state::pressed == attr_.e_state)
|
|
{
|
|
r.x = r.y = 2;
|
|
std::swap(from, to);
|
|
}
|
|
graph.gradual_rectangle(r, from, to, true);
|
|
}
|
|
|
|
void trigger::_m_draw_border(graph_reference graph)
|
|
{
|
|
nana::rectangle r(graph.size());
|
|
int right = r.width - 1;
|
|
int bottom = r.height - 1;
|
|
|
|
::nana::color lt{0x7f,0x7f,0x7f}, rb{0x70,0x70,0x70};
|
|
graph.frame_rectangle(r, lt, lt, rb, rb);
|
|
|
|
graph.set_color({0x91,0x91,0x91});
|
|
graph.set_pixel(1, 1);
|
|
graph.set_pixel(right - 1, 1);
|
|
graph.set_pixel(right - 1, bottom - 1);
|
|
graph.set_pixel(1, bottom - 1);
|
|
|
|
graph.set_color(colors::button_face);
|
|
graph.set_pixel(0, 0);
|
|
graph.set_pixel(right, 0);
|
|
graph.set_pixel(0, bottom);
|
|
graph.set_pixel(right, bottom);
|
|
|
|
if (element_state::pressed == attr_.e_state)
|
|
graph.rectangle(r.pare_off(1), false, {0xc3, 0xc3, 0xc3});
|
|
}
|
|
|
|
void trigger::emit_click()
|
|
{
|
|
arg_mouse arg;
|
|
arg.evt_code = event_code::click;
|
|
arg.window_handle = wdg_->handle();
|
|
arg.ctrl = arg.shift = false;
|
|
arg.mid_button = arg.right_button = false;
|
|
arg.left_button = true;
|
|
arg.pos.x = arg.pos.y = 1;
|
|
API::emit_event(event_code::click, arg.window_handle, arg);
|
|
}
|
|
|
|
void trigger::icon(const nana::paint::image& img)
|
|
{
|
|
if(img.empty()) return;
|
|
|
|
if(nullptr == attr_.icon)
|
|
attr_.icon = new paint::image;
|
|
*attr_.icon = img;
|
|
}
|
|
//end class trigger
|
|
}//end namespace button
|
|
}//end namespace drawerbase
|
|
|
|
//button
|
|
//@brief: Defaine a button widget and it provides the interfaces to be operational
|
|
button::button(){}
|
|
|
|
button::button(window wd, bool visible)
|
|
{
|
|
create(wd, rectangle(), visible);
|
|
}
|
|
|
|
button::button(window wd, const nana::string& text, bool visible)
|
|
{
|
|
create(wd, rectangle(), visible);
|
|
caption(text);
|
|
}
|
|
|
|
button::button(window wd, const nana::char_t* text, bool visible)
|
|
{
|
|
create(wd, rectangle(), visible);
|
|
caption(text);
|
|
}
|
|
|
|
button::button(window wd, const rectangle& r, bool visible)
|
|
{
|
|
create(wd, r, visible);
|
|
}
|
|
|
|
button& button::icon(const nana::paint::image& img)
|
|
{
|
|
internal_scope_guard isg;
|
|
get_drawer_trigger().icon(img);
|
|
API::refresh_window(handle());
|
|
return *this;
|
|
}
|
|
|
|
button& button::enable_pushed(bool eb)
|
|
{
|
|
internal_scope_guard isg;
|
|
if(get_drawer_trigger().enable_pushed(eb))
|
|
API::refresh_window(handle());
|
|
return *this;
|
|
}
|
|
|
|
bool button::pushed() const
|
|
{
|
|
return get_drawer_trigger().pushed();
|
|
}
|
|
|
|
button& button::pushed(bool psd)
|
|
{
|
|
internal_scope_guard isg;
|
|
if(get_drawer_trigger().pushed(psd))
|
|
API::refresh_window(handle());
|
|
return *this;
|
|
}
|
|
|
|
button& button::omitted(bool om)
|
|
{
|
|
internal_scope_guard isg;
|
|
get_drawer_trigger().omitted(om);
|
|
API::refresh_window(handle());
|
|
return *this;
|
|
}
|
|
|
|
button& button::enable_focus_color(bool eb)
|
|
{
|
|
internal_scope_guard lock;
|
|
if(get_drawer_trigger().focus_color(eb))
|
|
API::refresh_window(handle());
|
|
return *this;
|
|
}
|
|
|
|
button& button::set_bground(const pat::cloneable<element::element_interface>& rv)
|
|
{
|
|
internal_scope_guard lock;
|
|
get_drawer_trigger().cite().set(rv);
|
|
return *this;
|
|
}
|
|
|
|
button& button::set_bground(const std::string& name)
|
|
{
|
|
internal_scope_guard lock;
|
|
get_drawer_trigger().cite().set(name.data());
|
|
return *this;
|
|
}
|
|
|
|
button& button::transparent(bool enabled)
|
|
{
|
|
if (enabled)
|
|
API::effects_bground(*this, effects::bground_transparent(0), 0.0);
|
|
else
|
|
API::effects_bground_remove(*this);
|
|
return *this;
|
|
}
|
|
|
|
bool button::transparent() const
|
|
{
|
|
return (bground_mode::basic == API::effects_bground_mode(*this));
|
|
}
|
|
|
|
button& button::edge_effects(bool enable)
|
|
{
|
|
if (enable)
|
|
{
|
|
API::effects_edge_nimbus(*this, effects::edge_nimbus::active);
|
|
API::effects_edge_nimbus(*this, effects::edge_nimbus::over);
|
|
}
|
|
else
|
|
API::effects_edge_nimbus(*this, effects::edge_nimbus::none);
|
|
|
|
return *this;
|
|
}
|
|
|
|
|
|
|
|
void button::_m_shortkey()
|
|
{
|
|
get_drawer_trigger().emit_click();
|
|
}
|
|
|
|
void button::_m_complete_creation()
|
|
{
|
|
events().shortkey.connect_unignorable([this]
|
|
{
|
|
_m_shortkey();
|
|
});
|
|
}
|
|
|
|
void button::_m_caption(nana::string&& text)
|
|
{
|
|
API::unregister_shortkey(handle());
|
|
|
|
nana::char_t shortkey;
|
|
API::transform_shortkey_text(text, shortkey, 0);
|
|
if (shortkey)
|
|
API::register_shortkey(handle(), shortkey);
|
|
|
|
base_type::_m_caption(std::move(text));
|
|
}
|
|
//end class button
|
|
}//end namespace nana
|
|
|