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add visible() to listbox::column_interface

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This commit is contained in:
Jinhao
2016-06-14 19:29:48 +08:00
parent cfcb776350
commit 4d279b8378
2 changed files with 67 additions and 17 deletions
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12
include/nana/gui/widgets/listbox.hpp
View File

@@ -70,6 +70,18 @@ namespace nana
* The priority of max: maximize, ranged width, scheme's max_fit_content.
*/
virtual void fit_content(unsigned maximize = 0) noexcept = 0;
/// Determines the visibility state of the column
/**
* @return true if the column is visible, false otherwise
*/
virtual bool visible() const noexcept = 0;
/// Sets the visibility state of the column
/**
* @param is_visible Indicates whether to show or hide the column
*/
virtual void visible(bool is_visible) noexcept = 0;
};
using size_type = std::size_t;

72
source/gui/widgets/listbox.cpp
View File

@@ -458,7 +458,7 @@ namespace nana
native_string_type text;
unsigned width_px;
std::pair<unsigned, unsigned> range_width_px;
bool visible{ true };
bool visible_state{ true };
/// Position of column when it was creating
size_type index;
@@ -480,7 +480,7 @@ namespace nana
text = other.text;
width_px = other.width_px;
range_width_px = other.range_width_px;
visible = other.visible;
visible_state = other.visible_state;
index = other.index;
alignment = other.alignment;
weak_ordering = other.weak_ordering;
@@ -493,7 +493,7 @@ namespace nana
text(std::move(other.text)),
width_px(other.width_px),
range_width_px(other.range_width_px),
visible(other.visible),
visible_state(other.visible_state),
index(other.index),
alignment(other.alignment),
weak_ordering(weak_ordering),
@@ -508,7 +508,7 @@ namespace nana
text = std::move(other.text);
width_px = other.width_px;
range_width_px = other.range_width_px;
visible = other.visible;
visible_state = other.visible_state;
index = other.index;
alignment = other.alignment;
weak_ordering = std::move(other.weak_ordering);
@@ -523,6 +523,9 @@ namespace nana
ess_(ess)
{
}
private:
//The definition is provided after essence_t
void _m_refresh();
private:
essence_t* const ess_;
public:
@@ -537,6 +540,8 @@ namespace nana
{
width_px = pixels;
range_width_px.first = range_width_px.second = 0;
_m_refresh();
}
void width(unsigned minimize, unsigned maximize)
@@ -556,6 +561,17 @@ namespace nana
//Definition is provided after essence
void fit_content(unsigned maximize = 100000) noexcept override;
bool visible() const noexcept override
{
return visible_state;
}
void visible(bool is_visible) noexcept override
{
visible_state = is_visible;
_m_refresh();
}
};
using container = std::vector<column>;
@@ -565,7 +581,7 @@ namespace nana
export_options::columns_indexs idx;
for(const auto &col : cont())
{
if(col.visible || !only_visibles)
if(col.visible_state || !only_visibles)
idx.push_back(col.index);
}
return idx;
@@ -633,7 +649,7 @@ namespace nana
unsigned pixels = 0;
for(auto & col : cont_)
{
if (col.visible)
if (col.visible_state)
pixels += col.width_px;
}
return pixels;
@@ -670,7 +686,7 @@ namespace nana
{
for (const auto & col : cont_)
{
if (col.visible)
if (col.visible_state)
{
x -= static_cast<int>(col.width_px);
continue;
@@ -696,7 +712,7 @@ namespace nana
break;
}
if (m.visible)
if (m.visible_state)
left += m.width_px;
}
return left;
@@ -713,11 +729,11 @@ namespace nana
if(front) return n;
for(++i; i != cont_.cend(); ++i)
{
if(i->visible) return i->index;
if(i->visible_state) return i->index;
}
break;
}
else if(i->visible)
else if(i->visible_state)
n = i->index;
}
return npos;
@@ -727,7 +743,7 @@ namespace nana
size_type begin() const
{
for(const auto & m : cont_)
if(m.visible) return m.index;
if(m.visible_state) return m.index;
return npos;
}
@@ -737,7 +753,8 @@ namespace nana
{
for(auto i = cont_.rbegin(); i != cont_.rend(); ++i)
{
if(i->visible) return i->index;
if(i->visible_state)
return i->index;
}
return npos;
}
@@ -2444,7 +2461,7 @@ namespace nana
#endif
for (const auto& col : header.cont())
{
if (!col.visible)
if (!col.visible_state)
continue;
x += col.width_px;
@@ -2506,6 +2523,12 @@ namespace nana
return max_px;
}
//es_header::column member functions
void es_header::column::_m_refresh()
{
ess_->adjust_scroll_life();
API::refresh_window(ess_->lister.wd_ptr()->handle());
}
void es_header::column::fit_content(unsigned maximize) noexcept
{
@@ -2538,9 +2561,9 @@ namespace nana
width_px = content_px;
ess_->adjust_scroll_life();
API::refresh_window(ess_->lister.wd_ptr()->handle());
_m_refresh();
}
//end es_header::column functions
class inline_indicator
: public ::nana::detail::inline_widget_indicator<index_pair, std::string>
@@ -2836,7 +2859,7 @@ namespace nana
#endif
for(auto & col : essence_->header.cont()) // in current order
{
if(col.visible)
if(col.visible_state)
{
auto col_pixels = static_cast<int>(col.width_px);
@@ -2941,7 +2964,7 @@ namespace nana
for (auto & col : essence_->header.cont())
{
if (col.visible)
if (col.visible_state)
{
int next_x = x + static_cast<int>(col.width_px);
if (next_x > r.x)
@@ -4795,6 +4818,21 @@ namespace nana
return item_pos;
}
auto listbox::column_at(size_type pos) -> column_interface&
{
return _m_ess().header.at(pos);
}
auto listbox::column_at(size_type pos) const -> const column_interface&
{
return _m_ess().header.at(pos);
}
auto listbox::column_size() const ->size_type
{
return _m_ess().header.cont().size();
}
//Contributed by leobackes(pr#97)
listbox::size_type listbox::column_from_pos ( const point& pos )
{