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new vfit/hfit for place

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added fit-content support for button/picture/combox/label
This commit is contained in:
Jinhao
2017-03-15 23:39:39 +08:00
parent f43d54d7e2
commit f0dc62cc21
7 changed files with 340 additions and 188 deletions
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361
source/gui/widgets/combox.cpp
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@@ -1,7 +1,7 @@
/*
* A Combox Implementation
* Nana C++ Library(http://www.nanapro.org)
* Copyright(C) 2003-2016 Jinhao(cnjinhao@hotmail.com)
* Copyright(C) 2003-2017 Jinhao(cnjinhao@hotmail.com)
*
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
@@ -17,8 +17,10 @@
#include <nana/gui/widgets/float_listbox.hpp>
#include <nana/gui/widgets/skeletons/text_editor.hpp>
#include <nana/gui/widgets/skeletons/textbase_export_interface.hpp>
#include <nana/gui/detail/widget_content_measurer_interface.hpp>
#include <iterator>
#include <algorithm>
namespace nana
{
@@ -80,6 +82,46 @@ namespace nana
class drawer_impl
{
class content_measurer
: public dev::widget_content_measurer_interface
{
public:
content_measurer(drawer_impl* drwimpl)
: drw_{ drwimpl }
{}
optional<size> measure(graph_reference graph, unsigned limit_pixels, bool limit_width) const override
{
//Button doesn't provide a support of vfit and hfit
if (limit_pixels)
return{};
size content_size;
for (auto i = 0; i < drw_->the_number_of_options(); ++i)
{
auto & m = drw_->at(i);
auto sz = graph.text_extent_size(m.item_text);
content_size.width = (std::max)(content_size.width, sz.width);
content_size.height = (std::max)(content_size.height, sz.height);
}
return content_size;
}
size extension() const override
{
auto text_size = drw_->editor()->text_area(false).dimension();
auto wdg_size = drw_->widget_ptr()->size();
return{
wdg_size.width > text_size.width ? wdg_size.width - text_size.width : 0,
wdg_size.height > text_size.height ? wdg_size.height - text_size.height : 0
};
}
private:
drawer_impl* const drw_;
};
public:
using graph_reference = paint::graphics&;
using widget_reference = widget&;
@@ -92,6 +134,8 @@ namespace nana
state_.button_state = element_state::normal;
state_.pointer_where = parts::none;
state_.lister = nullptr;
measurer_.reset(new content_measurer{this});
}
void renderer(drawerbase::float_listbox::item_renderer* ir)
@@ -111,6 +155,8 @@ namespace nana
evt_agent_.reset(new event_agent{ static_cast<nana::combox&>(wd) });
editor_->textbase().set_event_agent(evt_agent_.get());
API::dev::set_measurer(wd, measurer_.get());
}
void detached()
@@ -528,6 +574,8 @@ namespace nana
unsigned image_pixels_{ 16 };
widgets::skeletons::text_editor * editor_{ nullptr };
std::unique_ptr<event_agent> evt_agent_;
std::unique_ptr<content_measurer> measurer_;
struct state_type
{
bool focused;
@@ -537,188 +585,191 @@ namespace nana
nana::float_listbox * lister;
std::size_t item_index_before_selection;
}state_;
};
}; //end class drawer_impl
//class trigger
trigger::trigger()
: drawer_(new drawer_impl)
{}
trigger::trigger() :
drawer_(new drawer_impl)
{
}
trigger::~trigger()
{
delete drawer_;
}
trigger::~trigger()
{
delete drawer_;
}
drawer_impl& trigger::get_drawer_impl()
{
return *drawer_;
}
drawer_impl& trigger::get_drawer_impl()
{
return *drawer_;
}
const drawer_impl& trigger::get_drawer_impl() const
{
return *drawer_;
}
const drawer_impl& trigger::get_drawer_impl() const
{
return *drawer_;
}
void trigger::attached(widget_reference wdg, graph_reference graph)
{
wdg.bgcolor(colors::white);
drawer_->attached(wdg, graph);
void trigger::attached(widget_reference wdg, graph_reference graph)
{
wdg.bgcolor(colors::white);
drawer_->attached(wdg, graph);
API::effects_edge_nimbus(wdg, effects::edge_nimbus::active);
API::effects_edge_nimbus(wdg, effects::edge_nimbus::over);
}
API::effects_edge_nimbus(wdg, effects::edge_nimbus::active);
API::effects_edge_nimbus(wdg, effects::edge_nimbus::over);
}
void trigger::detached()
{
drawer_->detached();
}
void trigger::detached()
{
drawer_->detached();
}
void trigger::refresh(graph_reference)
void trigger::refresh(graph_reference)
{
drawer_->draw();
}
void trigger::focus(graph_reference, const arg_focus& arg)
{
drawer_->set_focused(arg.getting);
if(drawer_->widget_ptr()->enabled())
{
drawer_->draw();
drawer_->editor()->reset_caret();
API::dev::lazy_refresh();
}
}
void trigger::focus(graph_reference, const arg_focus& arg)
void trigger::mouse_enter(graph_reference, const arg_mouse&)
{
drawer_->set_button_state(element_state::hovered, true);
if(drawer_->widget_ptr()->enabled())
{
drawer_->set_focused(arg.getting);
if(drawer_->widget_ptr()->enabled())
drawer_->draw();
API::dev::lazy_refresh();
}
}
void trigger::mouse_leave(graph_reference, const arg_mouse&)
{
drawer_->set_button_state(element_state::normal, true);
drawer_->editor()->mouse_enter(false);
if(drawer_->widget_ptr()->enabled())
{
drawer_->draw();
API::dev::lazy_refresh();
}
}
void trigger::mouse_down(graph_reference, const arg_mouse& arg)
{
//drawer_->set_mouse_press(true);
drawer_->set_button_state(element_state::pressed, false);
if(drawer_->widget_ptr()->enabled())
{
auto * editor = drawer_->editor();
editor->mouse_pressed(arg);
drawer_->open_lister_if_push_button_positioned();
drawer_->draw();
if(editor->attr().editable)
editor->reset_caret();
API::dev::lazy_refresh();
}
}
void trigger::mouse_up(graph_reference, const arg_mouse& arg)
{
if (drawer_->widget_ptr()->enabled() && !drawer_->has_lister())
{
drawer_->editor()->mouse_pressed(arg);
drawer_->set_button_state(element_state::hovered, false);
drawer_->draw();
API::dev::lazy_refresh();
}
}
void trigger::mouse_move(graph_reference graph, const arg_mouse& arg)
{
if(drawer_->widget_ptr()->enabled())
{
bool redraw = drawer_->calc_where(graph, arg.pos.x, arg.pos.y);
redraw |= drawer_->editor()->mouse_move(arg.left_button, arg.pos);
if(redraw)
{
drawer_->draw();
drawer_->editor()->reset_caret();
API::dev::lazy_refresh();
}
}
}
void trigger::mouse_enter(graph_reference, const arg_mouse&)
void trigger::mouse_wheel(graph_reference, const arg_wheel& arg)
{
if(drawer_->widget_ptr()->enabled())
{
drawer_->set_button_state(element_state::hovered, true);
if(drawer_->widget_ptr()->enabled())
{
drawer_->draw();
API::dev::lazy_refresh();
}
}
void trigger::mouse_leave(graph_reference, const arg_mouse&)
{
drawer_->set_button_state(element_state::normal, true);
drawer_->editor()->mouse_enter(false);
if(drawer_->widget_ptr()->enabled())
{
drawer_->draw();
API::dev::lazy_refresh();
}
}
void trigger::mouse_down(graph_reference, const arg_mouse& arg)
{
//drawer_->set_mouse_press(true);
drawer_->set_button_state(element_state::pressed, false);
if(drawer_->widget_ptr()->enabled())
{
auto * editor = drawer_->editor();
editor->mouse_pressed(arg);
drawer_->open_lister_if_push_button_positioned();
drawer_->draw();
if(editor->attr().editable)
editor->reset_caret();
API::dev::lazy_refresh();
}
}
void trigger::mouse_up(graph_reference, const arg_mouse& arg)
{
if (drawer_->widget_ptr()->enabled() && !drawer_->has_lister())
{
drawer_->editor()->mouse_pressed(arg);
drawer_->set_button_state(element_state::hovered, false);
drawer_->draw();
API::dev::lazy_refresh();
}
}
void trigger::mouse_move(graph_reference graph, const arg_mouse& arg)
{
if(drawer_->widget_ptr()->enabled())
{
bool redraw = drawer_->calc_where(graph, arg.pos.x, arg.pos.y);
redraw |= drawer_->editor()->mouse_move(arg.left_button, arg.pos);
if(redraw)
{
drawer_->draw();
drawer_->editor()->reset_caret();
API::dev::lazy_refresh();
}
}
}
void trigger::mouse_wheel(graph_reference, const arg_wheel& arg)
{
if(drawer_->widget_ptr()->enabled())
{
if(drawer_->has_lister())
drawer_->scroll_items(arg.upwards);
else
drawer_->move_items(arg.upwards, false);
}
}
void trigger::key_press(graph_reference, const arg_keyboard& arg)
{
if(!drawer_->widget_ptr()->enabled())
return;
bool call_other_keys = false;
if(drawer_->editable())
{
bool is_move_up = false;
switch(arg.key)
{
case keyboard::os_arrow_left:
case keyboard::os_arrow_right:
drawer_->editor()->respond_key(arg);
drawer_->editor()->reset_caret();
break;
case keyboard::os_arrow_up:
is_move_up = true;
case keyboard::os_arrow_down:
drawer_->move_items(is_move_up, true);
break;
default:
call_other_keys = true;
}
}
if(drawer_->has_lister())
drawer_->scroll_items(arg.upwards);
else
{
bool is_move_up = false;
switch(arg.key)
{
case keyboard::os_arrow_left:
case keyboard::os_arrow_up:
is_move_up = true;
case keyboard::os_arrow_right:
case keyboard::os_arrow_down:
drawer_->move_items(is_move_up, true);
break;
default:
call_other_keys = true;
}
}
if (call_other_keys)
drawer_->editor()->respond_key(arg);
API::dev::lazy_refresh();
drawer_->move_items(arg.upwards, false);
}
}
void trigger::key_char(graph_reference, const arg_keyboard& arg)
void trigger::key_press(graph_reference, const arg_keyboard& arg)
{
if(!drawer_->widget_ptr()->enabled())
return;
bool call_other_keys = false;
if(drawer_->editable())
{
if (drawer_->editor()->respond_char(arg))
API::dev::lazy_refresh();
bool is_move_up = false;
switch(arg.key)
{
case keyboard::os_arrow_left:
case keyboard::os_arrow_right:
drawer_->editor()->respond_key(arg);
drawer_->editor()->reset_caret();
break;
case keyboard::os_arrow_up:
is_move_up = true;
case keyboard::os_arrow_down:
drawer_->move_items(is_move_up, true);
break;
default:
call_other_keys = true;
}
}
else
{
bool is_move_up = false;
switch(arg.key)
{
case keyboard::os_arrow_left:
case keyboard::os_arrow_up:
is_move_up = true;
case keyboard::os_arrow_right:
case keyboard::os_arrow_down:
drawer_->move_items(is_move_up, true);
break;
default:
call_other_keys = true;
}
}
if (call_other_keys)
drawer_->editor()->respond_key(arg);
API::dev::lazy_refresh();
}
void trigger::key_char(graph_reference, const arg_keyboard& arg)
{
if (drawer_->editor()->respond_char(arg))
API::dev::lazy_refresh();
}
//end class trigger
//class item_proxy