add a new tabbar_lite widget
This commit is contained in:
Jinhao
parent
ff7a1f9510
commit
42dd27b68f
@ -334,4 +334,51 @@ namespace nana
|
||||
std::unique_ptr<drawerbase::tabbar::event_agent<value_type, drawerbase::tabbar::trigger> > evt_agent_;
|
||||
};
|
||||
}//end namespace nana
|
||||
|
||||
|
||||
namespace nana
|
||||
{
|
||||
namespace ng
|
||||
{
|
||||
namespace drawerbase
|
||||
{
|
||||
namespace tabbar_lite
|
||||
{
|
||||
class model;
|
||||
|
||||
class driver
|
||||
: public drawer_trigger
|
||||
{
|
||||
public:
|
||||
driver();
|
||||
~driver();
|
||||
|
||||
model* get_model();
|
||||
private:
|
||||
//Overrides drawer_trigger's method
|
||||
void attached(widget_reference, graph_reference) override;
|
||||
void refresh(graph_reference) override;
|
||||
void mouse_move(graph_reference, const arg_mouse&) override;
|
||||
void mouse_leave(graph_reference, const arg_mouse&) override;
|
||||
void mouse_down(graph_reference, const arg_mouse&) override;
|
||||
private:
|
||||
model* const model_;
|
||||
};
|
||||
}
|
||||
}//end namespace drawerbase
|
||||
|
||||
class tabbar_lite
|
||||
: public widget_object<category::widget_tag, drawerbase::tabbar_lite::driver>
|
||||
{
|
||||
public:
|
||||
tabbar_lite() = default;
|
||||
tabbar_lite(window, bool visible = true, const::nana::rectangle& = {});
|
||||
|
||||
|
||||
void push_back(std::string text, ::nana::any par = {});
|
||||
void push_front(std::string text, ::nana::any par = {});
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
@ -96,7 +96,8 @@ namespace nana
|
||||
::nana::size glyph_extent_size(const char_t*, std::size_t length, std::size_t begin, std::size_t end) const;
|
||||
::nana::size glyph_extent_size(const string&, std::size_t length, std::size_t begin, std::size_t end) const;
|
||||
bool glyph_pixels(const char_t *, std::size_t length, unsigned* pxbuf) const;
|
||||
::nana::size bidi_extent_size(const string&) const;
|
||||
::nana::size bidi_extent_size(const std::wstring&) const;
|
||||
::nana::size bidi_extent_size(const std::string&) const;
|
||||
|
||||
bool text_metrics(unsigned & ascent, unsigned& descent, unsigned& internal_leading) const;
|
||||
|
||||
@ -136,6 +137,7 @@ namespace nana
|
||||
void set_text_color(const ::nana::color&);
|
||||
|
||||
unsigned bidi_string(const nana::point&, const char_t *, std::size_t len);
|
||||
unsigned bidi_string(const point& pos, const char*, std::size_t len);
|
||||
|
||||
void blend(const ::nana::rectangle& r, const ::nana::color&, double fade_rate);
|
||||
|
||||
|
||||
@ -1270,3 +1270,296 @@ namespace nana
|
||||
}//end namespace tabbar
|
||||
}//end namespace drawerbase
|
||||
}//end namespace nana
|
||||
|
||||
#include <forward_list>
|
||||
namespace nana
|
||||
{
|
||||
namespace ng
|
||||
{
|
||||
namespace drawerbase
|
||||
{
|
||||
namespace tabbar_lite
|
||||
{
|
||||
struct item
|
||||
{
|
||||
::std::string text;
|
||||
::nana::any value;
|
||||
::std::pair<int, int> pos_ends;
|
||||
|
||||
item(std::string t, ::nana::any v)
|
||||
: text(std::move(t)), value(std::move(v))
|
||||
{}
|
||||
};
|
||||
|
||||
void calc_px(std::vector<unsigned>& values, unsigned limit)
|
||||
{
|
||||
unsigned base = 0;
|
||||
auto count = values.size();
|
||||
|
||||
while (count)
|
||||
{
|
||||
unsigned minv = static_cast<unsigned>(-1);
|
||||
|
||||
unsigned minv_count = 0;
|
||||
for (auto u : values)
|
||||
{
|
||||
if (u >= base && u < minv)
|
||||
{
|
||||
minv_count = 1;
|
||||
minv = u;
|
||||
}
|
||||
else if (minv == u)
|
||||
minv_count++;
|
||||
}
|
||||
|
||||
count -= minv_count;
|
||||
if (minv * count >= limit)
|
||||
{
|
||||
auto piece = limit / double(count);
|
||||
double deviation = 0;
|
||||
for (auto & u : values)
|
||||
{
|
||||
if (minv >= u)
|
||||
{
|
||||
auto px = piece + deviation;
|
||||
u = static_cast<unsigned>(px);
|
||||
deviation = px - u;
|
||||
}
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
base = minv;
|
||||
limit -= minv_count * minv;
|
||||
}
|
||||
}
|
||||
|
||||
class model
|
||||
{
|
||||
struct indexes
|
||||
{
|
||||
std::size_t hovered_pos{ npos };
|
||||
std::size_t active_pos{ 0 };
|
||||
};
|
||||
public:
|
||||
using graph_reference = ::nana::paint::graphics&;
|
||||
static const std::size_t npos = static_cast<std::size_t>(-1);
|
||||
|
||||
void set_widget(widget& wdg)
|
||||
{
|
||||
widget_ = &wdg;
|
||||
}
|
||||
|
||||
::nana::dev::widget_traits<widget>::scheme_type & scheme()
|
||||
{
|
||||
return API::scheme(*widget_);
|
||||
}
|
||||
|
||||
std::forward_list<item>& items()
|
||||
{
|
||||
return items_;
|
||||
}
|
||||
|
||||
bool track_pointer(const point& pos)
|
||||
{
|
||||
std::size_t item_pos = 0;
|
||||
bool matched = false;
|
||||
for (auto & m : items_)
|
||||
{
|
||||
if (m.pos_ends.first <= pos.x && pos.x < m.pos_ends.second)
|
||||
{
|
||||
matched = true;
|
||||
break;
|
||||
}
|
||||
|
||||
++item_pos;
|
||||
}
|
||||
|
||||
if (!matched)
|
||||
item_pos = npos;
|
||||
|
||||
if (indexes_.hovered_pos == item_pos)
|
||||
return false;
|
||||
|
||||
indexes_.hovered_pos = item_pos;
|
||||
return true;
|
||||
}
|
||||
|
||||
indexes& get_indexes()
|
||||
{
|
||||
return indexes_;
|
||||
}
|
||||
private:
|
||||
widget * widget_{ nullptr };
|
||||
std::forward_list<item> items_;
|
||||
indexes indexes_;
|
||||
};
|
||||
|
||||
class renderer
|
||||
{
|
||||
public:
|
||||
using graph_reference = ::nana::paint::graphics&;
|
||||
|
||||
void render(graph_reference graph, model& model)
|
||||
{
|
||||
_m_calc_metrics(graph, model.items());
|
||||
|
||||
auto & scheme = model.scheme();
|
||||
|
||||
//draw background
|
||||
graph.rectangle(true, scheme.background);
|
||||
|
||||
auto & indexes = model.get_indexes();
|
||||
std::size_t pos = 0;
|
||||
for (auto & m : model.items())
|
||||
{
|
||||
rectangle r{ m.pos_ends.first, 0, static_cast<unsigned>(m.pos_ends.second - m.pos_ends.first), graph.height() };
|
||||
if (indexes.active_pos == pos)
|
||||
{
|
||||
graph.set_color(colors::white);
|
||||
graph.set_text_color(colors::black);
|
||||
}
|
||||
else
|
||||
{
|
||||
::nana::color bgcolor(colors::coral);
|
||||
|
||||
if (pos == indexes.hovered_pos)
|
||||
bgcolor = bgcolor.blend(colors::white, 0.5);
|
||||
|
||||
graph.set_color(bgcolor);
|
||||
graph.set_text_color(colors::white);
|
||||
}
|
||||
|
||||
graph.rectangle(r, true);
|
||||
graph.bidi_string({ m.pos_ends.first + 5, 0 }, m.text.data(), m.text.size());
|
||||
|
||||
++pos;
|
||||
}
|
||||
|
||||
}
|
||||
private:
|
||||
void _m_calc_metrics(graph_reference graph, std::forward_list<item>& items)
|
||||
{
|
||||
const auto height_px = graph.height();
|
||||
std::vector<unsigned> pxs;
|
||||
|
||||
unsigned pixels = 0;
|
||||
for (auto & m : items)
|
||||
{
|
||||
auto ts = graph.bidi_extent_size(m.text);
|
||||
pxs.push_back(ts.width + 12);
|
||||
pixels += ts.width + 12;
|
||||
}
|
||||
|
||||
if (pixels > graph.width())
|
||||
calc_px(pxs, graph.width());
|
||||
|
||||
auto i = pxs.cbegin();
|
||||
int pos = 0;
|
||||
for (auto & m : items)
|
||||
{
|
||||
m.pos_ends.first = pos;
|
||||
m.pos_ends.second = (pos += static_cast<int>(*i++));
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
//class driver
|
||||
driver::driver()
|
||||
: model_(new model)
|
||||
{
|
||||
}
|
||||
|
||||
driver::~driver()
|
||||
{
|
||||
delete model_;
|
||||
}
|
||||
|
||||
model* driver::get_model()
|
||||
{
|
||||
return model_;
|
||||
}
|
||||
|
||||
void driver::attached(widget_reference wdg, graph_reference)
|
||||
{
|
||||
model_->set_widget(wdg);
|
||||
}
|
||||
|
||||
//Overrides drawer_trigger's method
|
||||
void driver::refresh(graph_reference graph)
|
||||
{
|
||||
renderer rd;
|
||||
rd.render(graph, *model_);
|
||||
}
|
||||
|
||||
void driver::mouse_move(graph_reference graph, const arg_mouse& arg)
|
||||
{
|
||||
if (!model_->track_pointer(arg.pos))
|
||||
return;
|
||||
|
||||
refresh(graph);
|
||||
API::lazy_refresh();
|
||||
}
|
||||
|
||||
void driver::mouse_leave(graph_reference graph, const arg_mouse&)
|
||||
{
|
||||
if (model_->get_indexes().hovered_pos == model_->npos)
|
||||
return;
|
||||
|
||||
refresh(graph);
|
||||
API::lazy_refresh();
|
||||
}
|
||||
|
||||
void driver::mouse_down(graph_reference graph, const arg_mouse&)
|
||||
{
|
||||
auto & indexes = model_->get_indexes();
|
||||
if (indexes.hovered_pos == model_->npos)
|
||||
return;
|
||||
|
||||
indexes.active_pos = indexes.hovered_pos;
|
||||
refresh(graph);
|
||||
API::lazy_refresh();
|
||||
}
|
||||
//end class driver
|
||||
}
|
||||
}
|
||||
|
||||
//class tabbar
|
||||
|
||||
tabbar_lite::tabbar_lite(window parent_wd, bool visible, const ::nana::rectangle& r)
|
||||
{
|
||||
this->create(parent_wd, r, visible);
|
||||
}
|
||||
|
||||
void tabbar_lite::push_back(std::string text, ::nana::any any)
|
||||
{
|
||||
auto & items = get_drawer_trigger().get_model()->items();
|
||||
internal_scope_guard lock;
|
||||
|
||||
auto i = items.cbefore_begin();
|
||||
while (true)
|
||||
{
|
||||
auto next = i++;
|
||||
if (i == items.cend())
|
||||
{
|
||||
items.emplace_after(next, std::move(text), std::move(any));
|
||||
break;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
API::refresh_window(handle());
|
||||
}
|
||||
|
||||
void tabbar_lite::push_front(std::string text, ::nana::any any)
|
||||
{
|
||||
auto & items = get_drawer_trigger().get_model()->items();
|
||||
internal_scope_guard lock;
|
||||
|
||||
items.emplace_front(std::move(text), std::move(any));
|
||||
API::refresh_window(handle());
|
||||
}
|
||||
//end class tabbar
|
||||
}
|
||||
}//end namespace nana
|
||||
|
||||
@ -451,7 +451,7 @@ namespace paint
|
||||
return true;
|
||||
}
|
||||
|
||||
nana::size graphics::bidi_extent_size(const nana::string& str) const
|
||||
nana::size graphics::bidi_extent_size(const std::wstring& str) const
|
||||
{
|
||||
nana::size sz;
|
||||
#if defined NANA_UNICODE
|
||||
@ -472,6 +472,11 @@ namespace paint
|
||||
return sz;
|
||||
}
|
||||
|
||||
::nana::size graphics::bidi_extent_size(const std::string& str) const
|
||||
{
|
||||
return bidi_extent_size(std::wstring{ ::nana::charset(str, ::nana::unicode::utf8) });
|
||||
}
|
||||
|
||||
bool graphics::text_metrics(unsigned & ascent, unsigned& descent, unsigned& internal_leading) const
|
||||
{
|
||||
if(handle_)
|
||||
@ -880,6 +885,12 @@ namespace paint
|
||||
return static_cast<unsigned>(moved_pos.x - pos.x);
|
||||
}
|
||||
|
||||
unsigned graphics::bidi_string(const point& pos, const char* str, std::size_t len)
|
||||
{
|
||||
std::wstring wstr = ::nana::charset(std::string(str, str + len), ::nana::unicode::utf8);
|
||||
return bidi_string(pos, wstr.data(), wstr.size());
|
||||
}
|
||||
|
||||
void graphics::blend(const nana::rectangle& r, const ::nana::color& clr, double fade_rate)
|
||||
{
|
||||
if (handle_)
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user