lib/widget/input.h

   1
   2 /** \file input.h
   3  *  \brief Header: WInput widget
   4  */
   5
   6 #ifndef MC__WIDGET_INPUT_H
   7 #define MC__WIDGET_INPUT_H
   8
   9 #include "lib/keybind.h"        /* global_keymap_t */
  10
  11 /*** typedefs(not structures) and defined constants **********************************************/
  12
  13 #define INPUT(x) ((WInput *)(x))
  14
  15 /* For history load-save functions */
  16 #define INPUT_LAST_TEXT ((char *) 2)
  17
  18 /*** enums ***************************************************************************************/
  19
  20 typedef enum
  21 {
  22     WINPUTC_MAIN,               /* color used */
  23     WINPUTC_MARK,               /* color for marked text */
  24     WINPUTC_UNCHANGED,          /* color for inactive text (Is first keystroke) */
  25     WINPUTC_HISTORY,            /* color for history list */
  26     WINPUTC_COUNT_COLORS        /* count of used colors */
  27 } input_colors_enum_t;
  28
  29 /* completion flags */
  30 typedef enum
  31 {
  32     INPUT_COMPLETE_FILENAMES = 1 << 0,
  33     INPUT_COMPLETE_HOSTNAMES = 1 << 1,
  34     INPUT_COMPLETE_COMMANDS = 1 << 2,
  35     INPUT_COMPLETE_VARIABLES = 1 << 3,
  36     INPUT_COMPLETE_USERNAMES = 1 << 4,
  37     INPUT_COMPLETE_CD = 1 << 5,
  38     INPUT_COMPLETE_SHELL_ESC = 1 << 6,
  39
  40     INPUT_COMPLETE_DEFAULT = INPUT_COMPLETE_FILENAMES
  41         | INPUT_COMPLETE_HOSTNAMES | INPUT_COMPLETE_VARIABLES | INPUT_COMPLETE_USERNAMES
  42 } input_complete_t;
  43
  44 /*** structures declarations (and typedefs of structures)*****************************************/
  45
  46 typedef int input_colors_t[WINPUTC_COUNT_COLORS];
  47
  48 typedef struct
  49 {
  50     Widget widget;
  51     input_colors_t color;
  52     int point;                  /* cursor position in the input line in characters */
  53     int mark;                   /* the mark position in characters */
  54     gboolean highlight;         /* there is a selected block */
  55     int term_first_shown;       /* column of the first shown character */
  56     size_t current_max_size;    /* maximum length of input line (bytes) */
  57     int field_width;            /* width of the editing field */
  58     gboolean first;             /* is first keystroke? */
  59     int disable_update;         /* do we want to skip updates? */
  60     gboolean is_password;       /* is this a password input line? */
  61     char *init_text;            /* initial text of input line */
  62     char *buffer;               /* pointer to editing buffer */
  63     char *history_name;         /* name of history for loading and saving */
  64     GList *history;             /* the history */
  65     GList *history_current;     /* current history item */
  66     gboolean history_changed;   /* the history has changed */
  67     gboolean need_push;         /* need to push the current Input on hist? */
  68     gboolean strip_password;    /* need to strip password before placing string to history */
  69     char **completions;         /* possible completions array */
  70     input_complete_t completion_flags;
  71     char charbuf[MB_LEN_MAX];   /* buffer for multibytes characters */
  72     size_t charpoint;           /* point to end of mulibyte sequence in charbuf */
  73     WLabel *label;              /* label associated with this input line*/
  74 } WInput;
  75
  76 /*** global variables defined in .c file *********************************************************/
  77
  78 extern int quote;
  79
  80 extern const global_keymap_t *input_map;
  81
  82 /*** declarations of public functions ************************************************************/
  83
  84 WInput *input_new (int y, int x, const int *input_colors,
  85                    int len, const char *text, const char *histname,
  86                    input_complete_t completion_flags);
  87 /* callbac is public; needed for command line */
  88 cb_ret_t input_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data);
  89 const int *input_get_default_colors (void);
  90 void input_set_origin (WInput * i, int x, int field_width);
  91 cb_ret_t input_handle_char (WInput * in, int key);
  92 int input_key_is_in_map (WInput * in, int key);
  93 void input_assign_text (WInput * in, const char *text);
  94 void input_insert (WInput * in, const char *text, gboolean insert_extra_space);
  95 void input_set_point (WInput * in, int pos);
  96 void input_update (WInput * in, gboolean clear_first);
  97 void input_enable_update (WInput * in);
  98 void input_disable_update (WInput * in);
  99 void input_clean (WInput * in);
 100 void input_free_completions (WInput * in);
 101
 102 /*** inline functions ****************************************************************************/
 103
 104 #endif /* MC__WIDGET_INPUT_H */