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refine the label

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This commit is contained in:
Jinhao 2018-08-31 06:27:47 +08:00
parent 93bbdb4a88
commit 745a228dae
2 changed files with 28 additions and 42 deletions
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1
include/nana/gui/widgets/skeletons/text_token_stream.hpp
View File

@ -682,7 +682,6 @@ namespace nana{ namespace widgets{ namespace skeletons
{
return lines_.end();
}
private:
void _m_parse_format(tokenizer & tknizer, std::stack<fblock*> & fbstack)
{

69
source/gui/widgets/label.cpp
View File

@ -20,6 +20,7 @@
#include <stdexcept>
#include <sstream>
namespace nana
{
namespace drawerbase
@ -104,12 +105,10 @@ namespace nana
#endif
font_ = pre_font;
fblock_ = nullptr;
current_fblock_ = nullptr;
_m_set_default(pre_font, fgcolor);
_m_measure(graph);
render_status rs;
rs.allowed_width = graph.size().width;
@ -144,15 +143,10 @@ namespace nana
else
rs.pos.y = 0;
auto vsline_iterator = content_lines.begin();
for (auto & line : dstream_)
for (auto & line : content_lines)
{
if (rs.pos.y >= static_cast<int>(graph.height()))
break;
rs.index = 0;
rs.vslines.clear();
rs.vslines.swap(*vsline_iterator++);
rs.vslines.swap(line);
rs.pos.x = rs.vslines.front().x_base;
if (!_m_foreach_visual_line(graph, rs))
@ -161,7 +155,12 @@ namespace nana
rs.pos.y += static_cast<int>(rs.vslines.back().extent_height_px);
}
graph.typeface(pre_font);
if (font_ != pre_font)
{
graph.typeface(pre_font);
font_.release();
current_fblock_ = nullptr;
}
}
bool find(int x, int y, std::wstring& target, std::wstring& url) const noexcept
@ -183,7 +182,7 @@ namespace nana
{
::nana::size retsize;
auto ft = graph.typeface(); //used for restoring the font
auto pre_font = graph.typeface(); //used for restoring the font
#ifdef _nana_std_has_string_view
const unsigned def_line_pixels = graph.text_extent_size(std::wstring_view(L" ", 1)).height;
@ -191,11 +190,10 @@ namespace nana
const unsigned def_line_pixels = graph.text_extent_size(L" ", 1).height;
#endif
font_ = ft;
fblock_ = nullptr;
font_ = pre_font;
current_fblock_ = nullptr;
_m_set_default(ft, colors::black);
_m_measure(graph);
_m_set_default(pre_font, colors::black);
render_status rs;
@ -218,6 +216,12 @@ namespace nana
retsize.height += static_cast<unsigned>(vsline.extent_height_px);
}
if (font_ != pre_font)
{
graph.typeface(pre_font);
font_.release();
current_fblock_ = nullptr;
}
return retsize;
}
private:
@ -294,7 +298,7 @@ namespace nana
void _m_change_font(graph_reference graph, nana::widgets::skeletons::fblock* fp)
{
if(fp != fblock_)
if (fp != current_fblock_)
{
auto& name = _m_fontname(fp);
auto fontsize = _m_font_size(fp);
@ -307,26 +311,7 @@ namespace nana
font_ = paint::font{ name, fontsize, fs };
graph.typeface(font_);
}
fblock_ = fp;
}
}
void _m_measure(graph_reference graph)
{
nana::paint::font ft = font_;
for (auto & line : dstream_)
{
for (auto & value : line)
{
_m_change_font(graph, value.fblock_ptr);
value.data_ptr->measure(graph);
}
}
if(font_ != ft)
{
font_ = ft;
graph.typeface(ft);
fblock_ = nullptr;
current_fblock_ = fp;
}
}
@ -379,7 +364,10 @@ namespace nana
for (auto i = line.cbegin(); i != line.cend(); ++i)
{
auto const data = i->data_ptr;
auto fblock = i->fblock_ptr;
auto const fblock = i->fblock_ptr;
_m_change_font(graph, fblock);
data->measure(graph);
abs_text_px += data->size().width;
@ -457,9 +445,7 @@ namespace nana
if (data->is_text())
{
_m_change_font(graph, fblock);
//Split a text into multiple lines
auto rest_extent_size = extent_size.width;
std::size_t text_begin = 0;
while (text_begin < data->text().size())
{
@ -643,7 +629,8 @@ namespace nana
private:
dstream dstream_;
bool format_enabled_ = false;
::nana::widgets::skeletons::fblock * fblock_ = nullptr;
::nana::widgets::skeletons::fblock * current_fblock_{ nullptr };
::std::deque<traceable> traceable_;
::nana::paint::font font_;