nana/source/gui/detail/drawer.cpp
Jinhao 363a80e935 refactor
remove typedef-name core_window_t
remove get_color and get_text_color of the internal class drawable
2019-06-30 11:56:16 +08:00

664 lines
18 KiB
C++

/*
* A Drawer Implementation
* Nana C++ Library(http://www.nanapro.org)
* Copyright(C) 2003-2019 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/detail/drawer.cpp
*/
#include "basic_window.hpp"
#include "effects_renderer.hpp"
#include <nana/config.hpp>
#include <nana/gui/detail/bedrock.hpp>
#include <nana/gui/detail/drawer.hpp>
#include "dynamic_drawing_object.hpp"
#if defined(NANA_X11)
#include "../../detail/posix/platform_spec.hpp"
#endif
namespace nana
{
//class drawer_trigger
void drawer_trigger::attached(widget_reference, graph_reference){}
void drawer_trigger::detached(){} //none-const
void drawer_trigger::typeface_changed(graph_reference){}
void drawer_trigger::refresh(graph_reference){}
void drawer_trigger::resizing(graph_reference, const arg_resizing&)
{
overridden_ &= ~(1 << static_cast<int>(event_code::resizing));
}
void drawer_trigger::resized(graph_reference graph, const arg_resized&)
{
overridden_ |= (1 << static_cast<int>(event_code::resized));
this->refresh(graph);
detail::bedrock::instance().thread_context_lazy_refresh();
}
void drawer_trigger::move(graph_reference, const arg_move&)
{
overridden_ &= ~(1 << static_cast<int>(event_code::move));
}
void drawer_trigger::click(graph_reference, const arg_click&)
{
overridden_ &= ~(1 << static_cast<int>(event_code::click));
}
void drawer_trigger::dbl_click(graph_reference, const arg_mouse&)
{
overridden_ &= ~(1 << static_cast<int>(event_code::dbl_click));
}
void drawer_trigger::mouse_enter(graph_reference, const arg_mouse&)
{
overridden_ &= ~(1 << static_cast<int>(event_code::mouse_enter));
}
void drawer_trigger::mouse_move(graph_reference, const arg_mouse&)
{
overridden_ &= ~(1 << static_cast<int>(event_code::mouse_move));
}
void drawer_trigger::mouse_leave(graph_reference, const arg_mouse&)
{
overridden_ &= ~(1 << static_cast<int>(event_code::mouse_leave));
}
void drawer_trigger::mouse_down(graph_reference, const arg_mouse&)
{
overridden_ &= ~(1 << static_cast<int>(event_code::mouse_down));
}
void drawer_trigger::mouse_up(graph_reference, const arg_mouse&)
{
overridden_ &= ~(1 << static_cast<int>(event_code::mouse_up));
}
void drawer_trigger::mouse_wheel(graph_reference, const arg_wheel&)
{
overridden_ &= ~(1 << static_cast<int>(event_code::mouse_wheel));
}
void drawer_trigger::mouse_dropfiles(graph_reference, const arg_dropfiles&)
{
overridden_ &= ~(1 << static_cast<int>(event_code::mouse_drop));
}
void drawer_trigger::focus(graph_reference, const arg_focus&)
{
overridden_ &= ~(1 << static_cast<int>(event_code::focus));
}
void drawer_trigger::key_press(graph_reference, const arg_keyboard&)
{
overridden_ &= ~(1 << static_cast<int>(event_code::key_press));
}
void drawer_trigger::key_char(graph_reference, const arg_keyboard&)
{
overridden_ &= ~(1 << static_cast<int>(event_code::key_char));
}
void drawer_trigger::key_release(graph_reference, const arg_keyboard&)
{
overridden_ &= ~(1 << static_cast<int>(event_code::key_release));
}
void drawer_trigger::shortkey(graph_reference, const arg_keyboard&)
{
overridden_ &= ~(1 << static_cast<int>(event_code::shortkey));
}
void drawer_trigger::_m_reset_overridden()
{
overridden_ = 0xFFFFFFFF;
}
bool drawer_trigger::_m_overridden(event_code evt_code) const
{
return 0 != (overridden_ & (1 << static_cast<int>(evt_code)));
}
void drawer_trigger::filter_event(const event_code evt_code, const bool bDisabled)
{
if (bDisabled)
evt_disabled_ |= 1 << static_cast<int>(evt_code); // set
else
evt_disabled_ &= ~(1 << static_cast<int>(evt_code)); // clear
}
void drawer_trigger::filter_event(const std::vector<event_code>& evt_codes, const bool bDisabled)
{
for (auto evt_code : evt_codes)
{
filter_event(evt_code, bDisabled);
}
}
void drawer_trigger::filter_event(const event_filter_status& evt_all_states)
{
evt_disabled_ = evt_all_states.evt_disabled_;
}
bool drawer_trigger::filter_event(const event_code evt_code)
{
return static_cast<bool>((evt_disabled_ >> static_cast<int>(evt_code)) & 1);
}
event_filter_status drawer_trigger::filter_event()
{
return event_filter_status(evt_disabled_);
}
void drawer_trigger::clear_filter()
{
for (int i = 0; i < static_cast<int>(nana::event_code::end); i++)
filter_event(static_cast<nana::event_code>(i), false);
}
//end class drawer_trigger
//class event_filter_status
event_filter_status::event_filter_status()
{
evt_disabled_ = 0;
}
event_filter_status::event_filter_status(const event_filter_status& rOther)
{
this->evt_disabled_ = rOther.evt_disabled_;
}
event_filter_status::event_filter_status(const unsigned evt_disabled_)
{
this->evt_disabled_ = evt_disabled_;
}
bool event_filter_status::operator[](const nana::event_code evt_code) const
{
return static_cast<bool>((evt_disabled_ >> static_cast<int>(evt_code)) & 1);
}
bool event_filter_status::operator==(const event_filter_status& rOther) const
{
return evt_disabled_ == rOther.evt_disabled_;
}
bool event_filter_status::operator!=(const event_filter_status& rOther) const
{
return evt_disabled_ != rOther.evt_disabled_;
}
const event_filter_status& event_filter_status::operator=(const event_filter_status& rOther)
{
evt_disabled_ = rOther.evt_disabled_;
return *this;
}
const event_filter_status& event_filter_status::operator=(const unsigned evt_disabled_)
{
this->evt_disabled_ = evt_disabled_;
return *this;
}
//end of class event_filter_status
namespace detail
{
typedef bedrock bedrock_type;
//class drawer
enum{
event_size = static_cast<int>(event_code::end)
};
struct drawer::data_implement
{
bool refreshing{ false };
basic_window* window_handle{ nullptr };
drawer_trigger* realizer{ nullptr };
method_state mth_state[event_size];
std::vector<dynamic_drawing::object*> draws;
};
drawer::drawer()
: data_impl_{ new data_implement }
{}
drawer::~drawer()
{
for(auto p : data_impl_->draws)
{
delete p;
}
delete data_impl_;
}
void drawer::bind(basic_window* cw)
{
data_impl_->window_handle = cw;
}
void drawer::typeface_changed()
{
if(data_impl_->realizer)
data_impl_->realizer->typeface_changed(graphics);
}
void drawer::click(const arg_click& arg, const bool bForce__EmitInternal)
{
_m_emit(event_code::click, arg, &drawer_trigger::click, bForce__EmitInternal);
}
void drawer::dbl_click(const arg_mouse& arg, const bool bForce__EmitInternal)
{
_m_emit(event_code::dbl_click, arg, &drawer_trigger::dbl_click, bForce__EmitInternal);
}
void drawer::mouse_enter(const arg_mouse& arg, const bool bForce__EmitInternal)
{
_m_emit(event_code::mouse_enter, arg, &drawer_trigger::mouse_enter, bForce__EmitInternal);
}
void drawer::mouse_move(const arg_mouse& arg, const bool bForce__EmitInternal)
{
_m_emit(event_code::mouse_move, arg, &drawer_trigger::mouse_move, bForce__EmitInternal);
}
void drawer::mouse_leave(const arg_mouse& arg, const bool bForce__EmitInternal)
{
_m_emit(event_code::mouse_leave, arg, &drawer_trigger::mouse_leave, bForce__EmitInternal);
}
void drawer::mouse_down(const arg_mouse& arg, const bool bForce__EmitInternal)
{
_m_emit(event_code::mouse_down, arg, &drawer_trigger::mouse_down, bForce__EmitInternal);
}
void drawer::mouse_up(const arg_mouse& arg, const bool bForce__EmitInternal)
{
_m_emit(event_code::mouse_up, arg, &drawer_trigger::mouse_up, bForce__EmitInternal);
}
void drawer::mouse_wheel(const arg_wheel& arg, const bool bForce__EmitInternal)
{
_m_emit(event_code::mouse_wheel, arg, &drawer_trigger::mouse_wheel, bForce__EmitInternal);
}
void drawer::mouse_dropfiles(const arg_dropfiles& arg, const bool bForce__EmitInternal)
{
_m_emit(event_code::mouse_drop, arg, &drawer_trigger::mouse_dropfiles, bForce__EmitInternal);
}
void drawer::resizing(const arg_resizing& arg, const bool bForce__EmitInternal)
{
_m_emit(event_code::resizing, arg, &drawer_trigger::resizing, bForce__EmitInternal);
}
void drawer::resized(const arg_resized& arg, const bool bForce__EmitInternal)
{
_m_emit(event_code::resized, arg, &drawer_trigger::resized, bForce__EmitInternal);
}
void drawer::move(const arg_move& arg, const bool bForce__EmitInternal)
{
_m_emit(event_code::move, arg, &drawer_trigger::move, bForce__EmitInternal);
}
void drawer::focus(const arg_focus& arg, const bool bForce__EmitInternal)
{
_m_emit(event_code::focus, arg, &drawer_trigger::focus, bForce__EmitInternal);
}
void drawer::key_press(const arg_keyboard& arg, const bool bForce__EmitInternal)
{
_m_emit(event_code::key_press, arg, &drawer_trigger::key_press, bForce__EmitInternal);
}
void drawer::key_char(const arg_keyboard& arg, const bool bForce__EmitInternal)
{
_m_emit(event_code::key_char, arg, &drawer_trigger::key_char, bForce__EmitInternal);
}
void drawer::key_release(const arg_keyboard& arg, const bool bForce__EmitInternal)
{
_m_emit(event_code::key_release, arg, &drawer_trigger::key_release, bForce__EmitInternal);
}
void drawer::shortkey(const arg_keyboard& arg, const bool bForce__EmitInternal)
{
_m_emit(event_code::shortkey, arg, &drawer_trigger::shortkey, bForce__EmitInternal);
}
void drawer::map(window wd, bool forced, const rectangle* update_area) //Copy the root buffer to screen
{
if(wd)
{
bool owns_caret = (wd->annex.caret_ptr) && (wd->annex.caret_ptr->visible());
//The caret in X11 is implemented by Nana, it is different from Windows'
//the caret in X11 is asynchronous, it is hard to hide and show the caret
//immediately, and therefore the caret always be flickering when the graphics
//buffer is mapping to the window.
if(owns_caret)
{
#ifndef NANA_X11
wd->annex.caret_ptr->visible(false);
#else
owns_caret = nana::detail::platform_spec::instance().caret_update(wd->root, *wd->root_graph, false);
#endif
}
edge_nimbus_renderer::instance().render(wd, forced, update_area);
if(owns_caret)
{
#ifndef NANA_X11
wd->annex.caret_ptr->visible(true);
#else
nana::detail::platform_spec::instance().caret_update(wd->root, *wd->root_graph, true);
#endif
}
}
}
void drawer::refresh()
{
if (data_impl_->realizer && (!(data_impl_->refreshing || graphics.size().empty())))
{
data_impl_->refreshing = true;
data_impl_->realizer->refresh(graphics);
_m_effect_bground_subsequent();
graphics.flush();
data_impl_->refreshing = false;
}
}
drawer_trigger* drawer::realizer() const
{
return data_impl_->realizer;
}
void drawer::attached(widget& wd, drawer_trigger& realizer)
{
for (auto i = std::begin(data_impl_->mth_state), end = std::end(data_impl_->mth_state); i != end; ++i)
*i = method_state::pending;
data_impl_->realizer = &realizer;
realizer._m_reset_overridden();
realizer.attached(wd, graphics);
realizer.typeface_changed(graphics);
}
drawer_trigger* drawer::detached()
{
if (data_impl_->realizer)
{
auto rmp = data_impl_->realizer;
data_impl_->realizer = nullptr;
rmp->detached();
return rmp;
}
return nullptr;
}
void drawer::clear()
{
std::vector<dynamic_drawing::object*> then;
for (auto p : data_impl_->draws)
{
if(p->diehard())
then.emplace_back(p);
else
delete p;
}
then.swap(data_impl_->draws);
}
void* drawer::draw(std::function<void(paint::graphics&)> && f, bool diehard)
{
if(f)
{
auto p = new dynamic_drawing::user_draw_function(std::move(f), diehard);
data_impl_->draws.emplace_back(p);
return (diehard ? p : nullptr);
}
return nullptr;
}
void drawer::erase(void * p)
{
if(p)
{
for (auto i = data_impl_->draws.begin(); i != data_impl_->draws.end(); ++i)
if (*i == p)
{
delete (*i);
data_impl_->draws.erase(i);
break;
}
}
}
void drawer::_m_effect_bground_subsequent()
{
auto & effect = data_impl_->window_handle->effect;
for (auto * dw : data_impl_->draws)
dw->draw(graphics);
if (effect.bground)
{
if (effect.bground_fade_rate >= 0.01)
{
graphics.blend(::nana::rectangle{ data_impl_->window_handle->other.glass_buffer.size() }, data_impl_->window_handle->other.glass_buffer, {}, 1 - effect.bground_fade_rate);
}
}
}
drawer::method_state& drawer::_m_mth_state(int pos)
{
return data_impl_->mth_state[pos];
}
}//end namespace detail
namespace detail
{
//class edge_nimbus_renderer
edge_nimbus_renderer& edge_nimbus_renderer::instance()
{
static edge_nimbus_renderer object;
return object;
}
void edge_nimbus_renderer::erase(basic_window* wd)
{
if (effects::edge_nimbus::none == wd->effect.edge_nimbus)
return;
auto root_wd = wd->root_widget;
auto & nimbus = root_wd->other.attribute.root->effects_edge_nimbus;
for (auto i = nimbus.begin(); i != nimbus.end(); ++i)
{
if (i->window == wd)
{
auto pixels = weight();
rectangle r{ wd->pos_root, wd->dimension };
r.x -= static_cast<int>(pixels);
r.y -= static_cast<int>(pixels);
r.width += static_cast<unsigned>(pixels << 1);
r.height += static_cast<unsigned>(pixels << 1);
root_wd->root_graph->paste(root_wd->root, r, r.x, r.y);
nimbus.erase(i);
break;
}
}
}
void edge_nimbus_renderer::render(basic_window* wd, bool forced, const rectangle* update_area)
{
bool copy_separately = true;
std::vector<std::pair<rectangle, basic_window*>> rd_set;
if (wd->root_widget->other.attribute.root->effects_edge_nimbus.size())
{
auto root_wd = wd->root_widget;
auto & nimbus = root_wd->other.attribute.root->effects_edge_nimbus;
auto focused = root_wd->other.attribute.root->focus;
const unsigned pixels = weight();
auto graph = root_wd->root_graph;
nana::rectangle r;
for (auto & action : nimbus)
{
if (_m_edge_nimbus(action.window, focused) && window_layer::read_visual_rectangle(action.window, r))
{
if (action.window == wd)
{
if (update_area)
::nana::overlap(*update_area, rectangle(r), r);
copy_separately = false;
}
//Avoiding duplicated rendering. If the window is declared to lazy refresh, it should be rendered.
if ((forced && (action.window == wd)) || (focused == action.window) || !action.rendered || (action.window->other.upd_state == basic_window::update_state::refreshed))
{
rd_set.emplace_back(r, action.window);
action.rendered = true;
}
}
else if (action.rendered)
{
action.rendered = false;
if (action.window == wd)
copy_separately = false;
::nana::rectangle erase_r(
action.window->pos_root.x - static_cast<int>(pixels),
action.window->pos_root.y - static_cast<int>(pixels),
static_cast<unsigned>(action.window->dimension.width + (pixels << 1)),
static_cast<unsigned>(action.window->dimension.height + (pixels << 1))
);
graph->paste(root_wd->root, erase_r, erase_r.x, erase_r.y);
}
}
}
if (copy_separately)
{
rectangle vr;
if (window_layer::read_visual_rectangle(wd, vr))
{
if (update_area)
::nana::overlap(*update_area, rectangle(vr), vr);
wd->root_graph->paste(wd->root, vr, vr.x, vr.y);
}
}
rectangle wd_r{ wd->pos_root, wd->dimension };
wd_r.pare_off(-static_cast<int>(this->weight()));
//Render
for (auto & rd : rd_set)
{
auto other_wd = rd.second;
if (other_wd != wd)
{
rectangle other_r{ other_wd->pos_root, other_wd->dimension };
other_r.pare_off(-static_cast<int>(this->weight()));
if (!overlapped(wd_r, other_r))
continue;
}
_m_render_edge_nimbus(other_wd, rd.first);
}
}
/// Determines whether the effect will be rendered for the given window.
bool edge_nimbus_renderer::_m_edge_nimbus(basic_window * const wd, basic_window * const focused_wd)
{
// Don't render the effect if the window is disabled.
if (wd->flags.enabled)
{
if ((focused_wd == wd) && (static_cast<unsigned>(wd->effect.edge_nimbus) & static_cast<unsigned>(effects::edge_nimbus::active)))
return true;
else if ((static_cast<unsigned>(wd->effect.edge_nimbus) & static_cast<unsigned>(effects::edge_nimbus::over)) && (wd->flags.action == mouse_action::hovered))
return true;
}
return false;
}
void edge_nimbus_renderer::_m_render_edge_nimbus(basic_window* wd, const nana::rectangle & visual)
{
wd->flags.action_before = wd->flags.action;
auto r = visual;
r.pare_off(-static_cast<int>(weight()));
rectangle good_r;
if (overlap(r, rectangle{ wd->root_graph->size() }, good_r))
{
if ((good_r.x < wd->pos_root.x) || (good_r.y < wd->pos_root.y) ||
(good_r.right() > visual.right()) || (good_r.bottom() > visual.bottom()))
{
auto graph = wd->root_graph;
nana::paint::pixel_buffer pixbuf(graph->handle(), r);
pixel_argb_t px0, px1, px2, px3;
px0 = pixbuf.pixel(0, 0);
px1 = pixbuf.pixel(r.width - 1, 0);
px2 = pixbuf.pixel(0, r.height - 1);
px3 = pixbuf.pixel(r.width - 1, r.height - 1);
good_r.x = good_r.y = 1;
good_r.width = r.width - 2;
good_r.height = r.height - 2;
pixbuf.rectangle(good_r, wd->annex.scheme->activated.get_color(), 0.95, false);
good_r.x = good_r.y = 0;
good_r.width = r.width;
good_r.height = r.height;
pixbuf.rectangle(good_r, wd->annex.scheme->activated.get_color(), 0.4, false);
pixbuf.pixel(0, 0, px0);
pixbuf.pixel(r.width - 1, 0, px1);
pixbuf.pixel(0, r.height - 1, px2);
pixbuf.pixel(r.width - 1, r.height - 1, px3);
pixbuf.paste(wd->root, { r.x, r.y });
std::vector<typename window_layer::wd_rectangle> overlaps;
if (window_layer::read_overlaps(wd, visual, overlaps))
{
for (auto & wdr : overlaps)
graph->paste(wd->root, wdr.r, wdr.r.x, wdr.r.y);
}
}
else
wd->root_graph->paste(wd->root, visual, visual.x, visual.y);
}
}
//end class edge_nimbus_renderer
}//end namespace detail
}//end namespace nana