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Migrating new pager implementation into a class. Further work on

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constructing a screen_data_t from it.
This commit is contained in:
ridiculousfish 2014-01-13 16:41:22 -08:00
parent 104cf87b89
commit 899dafb33f
3 changed files with 441 additions and 557 deletions
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935
pager.cpp
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57
pager.h
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@ -6,10 +6,65 @@
#include "screen.h"
/* Represents rendering from the pager */
class page_rendering_t
struct page_rendering_t
{
screen_data_t screen_data;
};
typedef std::vector<completion_t> completion_list_t;
page_rendering_t render_completions(const completion_list_t &raw_completions, const wcstring &prefix);
class pager_t
{
int term_width;
int term_height;
completion_list_t completions;
/** Data structure describing one or a group of related completions */
public:
struct comp_t
{
/** The list of all completin strings this entry applies to */
wcstring_list_t comp;
/** The description */
wcstring desc;
/** On-screen width of the completion string */
int comp_width;
/** On-screen width of the description information */
int desc_width;
/** Preffered total width */
int pref_width;
/** Minimum acceptable width */
int min_width;
comp_t() : comp(), desc(), comp_width(0), desc_width(0), pref_width(0), min_width(0)
{
}
};
private:
typedef std::vector<comp_t> comp_info_list_t;
comp_info_list_t completion_infos;
int completion_try_print(int cols, const wcstring &prefix, const comp_info_list_t &lst, page_rendering_t *rendering) const;
void recalc_min_widths(comp_info_list_t * lst) const;
void measure_completion_infos(std::vector<comp_t> *infos, const wcstring &prefix) const;
void completion_print(int cols, int *width_per_column, int row_start, int row_stop, const wcstring &prefix, const comp_info_list_t &lst, page_rendering_t *rendering) const;
line_t completion_print_item(const wcstring &prefix, const comp_t *c, size_t row, size_t column, int width, bool secondary, page_rendering_t *rendering) const;
public:
void set_completions(const completion_list_t &comp);
void set_term_size(int w, int h);
wcstring prefix;
page_rendering_t render() const;
};

6
screen.h
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@ -54,6 +54,12 @@ struct line_t
{
return colors.at(idx);
}
void append_line(const line_t &line)
{
text.insert(text.end(), line.text.begin(), line.text.end());
colors.insert(colors.end(), line.colors.begin(), line.colors.end());
}
};