122 lines
3.0 KiB
C++
122 lines
3.0 KiB
C++
// foptimove.h
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// class FOptiMove
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//
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// The cursor optimisation based on ncurses lib_mvcur.c
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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#ifndef _FOPTIMOVE_H
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#define _FOPTIMOVE_H
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#include <assert.h>
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#include <term.h>
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#include <cctype>
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#include <cstdio> // need for printf
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#include <cstdlib>
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#include <cstring>
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// value for a long capability waiting time
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#define LONG_DURATION 9999999
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// maximum character distance to avoid direct cursor addressing
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#define MOVE_LIMIT 7
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//----------------------------------------------------------------------
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// class FOptiMove
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//----------------------------------------------------------------------
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#pragma pack(push)
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#pragma pack(1)
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class FOptiMove
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{
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private:
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typedef unsigned char uChar;
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typedef unsigned int uInt;
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typedef struct
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{
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char* cap;
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int duration;
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int length;
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} capability;
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capability F_cursor_home;
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capability F_carriage_return;
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capability F_cursor_to_ll;
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capability F_tab;
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capability F_back_tab;
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capability F_cursor_up;
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capability F_cursor_down;
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capability F_cursor_left;
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capability F_cursor_right;
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capability F_cursor_address;
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capability F_column_address;
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capability F_row_address;
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capability F_parm_up_cursor;
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capability F_parm_down_cursor;
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capability F_parm_left_cursor;
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capability F_parm_right_cursor;
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bool automatic_left_margin;
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bool eat_nl_glitch;
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char move_buf[512];
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int char_duration;
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int baudrate;
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int tabstop;
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int screen_width;
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int screen_height;
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private:
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void calculateCharDuration();
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int cap_duration (char*&, int);
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int repeated_append (capability&, int, char*);
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int relative_move (char*&, int, int, int, int);
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bool isTwoDirectionMove (int, int, int, int);
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bool isWideMove (int, int, int, int);
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public:
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FOptiMove(int baud=0); // constructor
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~FOptiMove(); // destructor
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void setBaudRate (int);
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void setTabStop (int);
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void setTermSize (int, int);
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void set_cursor_home (char*&);
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void set_cursor_to_ll (char*&);
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void set_carriage_return (char*&);
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void set_tabular (char*&);
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void set_back_tab (char*&);
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void set_cursor_up (char*&);
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void set_cursor_down (char*&);
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void set_cursor_left (char*&);
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void set_cursor_right (char*&);
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void set_cursor_address (char*&);
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void set_column_address (char*&);
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void set_row_address (char*&);
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void set_parm_up_cursor (char*&);
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void set_parm_down_cursor (char*&);
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void set_parm_left_cursor (char*&);
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void set_parm_right_cursor (char*&);
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void set_auto_left_margin (bool&);
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void set_eat_newline_glitch (bool&);
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char* cursor_move (int, int, int, int);
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void printDurations();
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};
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#pragma pack(pop)
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// FOptiMove inline functions
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//----------------------------------------------------------------------
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inline void FOptiMove::set_auto_left_margin (bool& bcap)
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{ automatic_left_margin = bcap; }
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//----------------------------------------------------------------------
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inline void FOptiMove::set_eat_newline_glitch (bool& bcap)
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{ eat_nl_glitch = bcap; }
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#endif // _FOPTIMOVE_H
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