mewin/nana
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

listbox::move_column implemented by new es_header::move_to_view_pos ()

Browse Source
This commit is contained in:
qPCR4vir 2018-11-13 19:01:20 +01:00
parent b3eacfddd0
commit e4b60148e7
2 changed files with 47 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
include/nana/gui/widgets/listbox.hpp
View File

@ -1461,6 +1461,9 @@ the nana::detail::basic_window member pointer scheme
/// Returns the number of columns
size_type column_size() const;
/// Move column to view_position
void move_column(size_type abs_pos, size_type view_pos);
void column_resizable(bool resizable);
bool column_resizable() const;
void column_movable(bool);
@ -1517,7 +1520,8 @@ the nana::detail::basic_window member pointer scheme
///Sets a strict weak ordering comparer for a column
void set_sort_compare( size_type col,
std::function<bool(const std::string&, nana::any*, const std::string&, nana::any*, bool reverse)> strick_ordering);
std::function<bool(const std::string&, nana::any*,
const std::string&, nana::any*, bool reverse)> strick_ordering);
/// sort() and ivalidate any existing reference from display position to absolute item, that is: after sort() display offset point to different items
void sort_col(size_type col, bool reverse = false);

58
source/gui/widgets/listbox.cpp
View File

@ -17,6 +17,12 @@
* dankan1890(pr#158)
*
*/
#include <algorithm>
#include <list>
#include <deque>
#include <stdexcept>
#include <map>
#include <iostream>
#include <nana/gui/widgets/listbox.hpp>
#include <nana/gui/widgets/panel.hpp> //for inline widget
@ -28,12 +34,6 @@
#include <nana/system/platform.hpp>
#include "skeletons/content_view.hpp"
#include <algorithm>
#include <list>
#include <deque>
#include <stdexcept>
#include <map>
namespace nana
{
static void check_range(std::size_t pos, std::size_t size)
@ -130,17 +130,18 @@ namespace nana
struct column
: public column_interface
{
native_string_type caption;
unsigned width_px;
std::pair<unsigned, unsigned> range_width_px;
native_string_type caption; //< header title
unsigned width_px; //< column width in pixels
std::pair<unsigned, unsigned> range_width_px; //< allowed witdh
bool visible_state{ true };
/// Absolute position of column when it was creating
size_type index;
size_type index; //< Absolute position of column when it was created
nana::align alignment{ nana::align::left };
std::function<bool(const std::string&, nana::any*, const std::string&, nana::any*, bool reverse)> weak_ordering;
std::function<bool(const std::string&, nana::any*,
const std::string&, nana::any*, bool reverse)> weak_ordering;
std::shared_ptr<paint::font> font; ///< The exclusive column font
@ -186,18 +187,18 @@ namespace nana
{
}
private:
//The definition is provided after essence
/// The definition is provided after essence
void _m_refresh() noexcept;
private:
essence* const ess_;
public:
//Implementation of column_interface
/// Implementation of column_interface
unsigned width() const noexcept override
{
return width_px;
}
// Sets the width and overrides the ranged width
/// Sets the width and overrides the ranged width
void width(unsigned pixels) noexcept override
{
width_px = pixels;
@ -223,7 +224,7 @@ namespace nana
}
}
size_type position(bool disp_order) const noexcept override; //The definition is provided after essence
size_type position(bool disp_order) const noexcept override; //< The definition is provided after essence
std::string text() const noexcept override
{
@ -542,6 +543,24 @@ namespace nana
return pos;
}
/// move col to view pos
void move_to_view_pos (size_type col, size_type view, bool front) noexcept
{
if (!front) view++;
if (view >= cont_.size() ) return;
auto i = std::find_if( cont_.begin(),
cont_.end(),
[&](const column& c){return col==c.index;});
if (i==cont_.end()) return;
auto col_from = *i;
cont_.erase(i);
cont_.insert(cont_.begin()+ view, col_from);
}
/// move the col originaly at "from" to the position currently in front (or after) the col originaly at index "to" invalidating some current index
void move(size_type from, size_type to, bool front) noexcept
{
@ -6049,5 +6068,12 @@ namespace nana
internal_scope_guard lock;
return _m_ess().content_view->scroll_operation();
}
/// Move column to view_position
void listbox::move_column(size_type abs_pos, size_type view_pos)
{
internal_scope_guard lock;
return _m_ess().header.move_to_view_pos(abs_pos, view_pos, true);
}
//end class listbox
}//end namespace nana