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https://github.com/fish-shell/fish-shell
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70 lines
2 KiB
C++
70 lines
2 KiB
C++
/** \file pager.h
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Pager support
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*/
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#include "complete.h"
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#include "screen.h"
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/* Represents rendering from the pager */
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struct page_rendering_t
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{
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screen_data_t screen_data;
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};
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typedef std::vector<completion_t> completion_list_t;
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page_rendering_t render_completions(const completion_list_t &raw_completions, const wcstring &prefix);
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class pager_t
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{
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int term_width;
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int term_height;
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completion_list_t completions;
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/** Data structure describing one or a group of related completions */
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public:
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struct comp_t
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{
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/** The list of all completin strings this entry applies to */
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wcstring_list_t comp;
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/** The description */
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wcstring desc;
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/** On-screen width of the completion string */
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int comp_width;
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/** On-screen width of the description information */
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int desc_width;
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/** Preffered total width */
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int pref_width;
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/** Minimum acceptable width */
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int min_width;
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comp_t() : comp(), desc(), comp_width(0), desc_width(0), pref_width(0), min_width(0)
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{
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}
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};
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private:
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typedef std::vector<comp_t> comp_info_list_t;
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comp_info_list_t completion_infos;
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int completion_try_print(int cols, const wcstring &prefix, const comp_info_list_t &lst, page_rendering_t *rendering) const;
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void recalc_min_widths(comp_info_list_t * lst) const;
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void measure_completion_infos(std::vector<comp_t> *infos, const wcstring &prefix) const;
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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;
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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;
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public:
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void set_completions(const completion_list_t &comp);
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void set_term_size(int w, int h);
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wcstring prefix;
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page_rendering_t render() const;
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};
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