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add functions to convert positions of listbox column

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This commit is contained in:
Jinhao
2016-12-10 08:50:05 +08:00
parent c1cfd283e2
commit 8e10f743e1
3 changed files with 119 additions and 46 deletions
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45
include/nana/gui/widgets/listbox.hpp
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@@ -33,6 +33,9 @@ namespace nana
{
namespace listbox
{
using size_type = std::size_t;
using native_string_type = ::nana::detail::native_string_type;
/// An interface of column operations
class column_interface
{
@@ -56,6 +59,22 @@ namespace nana
*/
virtual void width(unsigned minimum, unsigned maximum) = 0;
/// Returns the position of the column
/**
* @param disp_order Indicates whether the display position or absolute position to be returned
* @return the position of the column.
*/
virtual size_type position(bool disp_order) const noexcept = 0;
/// Returns the caption of column
virtual std::string text() const noexcept = 0;
/// Sets the caption of column
/**
* @param text_utf8 A UTF-8 string for the caption.
*/
virtual void text(std::string text_utf8) = 0;
/// Sets alignment of column text
/**
* @param align Alignment
@@ -619,8 +638,6 @@ namespace nana
std::unique_ptr<container_interface> container_ptr_;
};
using size_type = std::size_t;
using native_string_type = ::nana::detail::native_string_type;
/// usefull for both absolute and display (sorted) positions
struct index_pair
@@ -830,10 +847,18 @@ namespace nana
size_type columns() const;
item_proxy& text(size_type col, cell);
item_proxy& text(size_type col, std::string);
item_proxy& text(size_type col, const std::wstring&);
std::string text(size_type col) const;
/// Converts a position of column between display position and absolute position
/**
* @param col The display position or absolute position.
* @param disp_order Indicates whether the col is a display position or absolute position. If this parameter is true, the col is display position
* @return absolute position if disp_order is false, display position otherwise.
*/
size_type column_cast(size_type col, bool disp_order) const;
item_proxy& text(size_type abs_col, cell);
item_proxy& text(size_type abs_col, std::string);
item_proxy& text(size_type abs_col, const std::wstring&);
std::string text(size_type abs_col) const;
void icon(const nana::paint::image&);
@@ -1367,18 +1392,20 @@ the nana::detail::basic_window member pointer scheme
/// Access a column at specified position
/**
* @param pos Position of column
* @param disp_order Indicates whether the pos is display position or absolute position.
* @return Reference to the requested column
* @except std::out_of_range if !(pos < columns())
*/
column_interface & column_at(size_type pos);
column_interface & column_at(size_type pos, bool disp_order = false);
/// Access a column at specified position
/**
* @param pos Position of column
* @param disp_order Indicates whether the pos is display position or absolute position.
* @return Constant reference to the requested column
* @except std::out_of_range if !(pos < columns())
*/
const column_interface & column_at(size_type pos) const;
const column_interface & column_at(size_type pos, bool disp_order = false) const;
/// Returns the number of columns
size_type column_size() const;
@@ -1408,7 +1435,7 @@ the nana::detail::basic_window member pointer scheme
/// Returns an index of item which contains the specified point.
index_pair cast(const point & pos) const;
/// Returns the column which contains the specified point.
/// Returns the absolute position of column which contains the specified point.
size_type column_from_pos(const point & pos);
void checkable(bool);