src/bfu/inpfield.h

   1 #ifndef EL__BFU_INPFIELD_H
   2 #define EL__BFU_INPFIELD_H
   3
   4 #include "bfu/common.h"
   5 #include "util/memlist.h"
   6 #include "util/lists.h"
   7 #include "util/align.h"
   8
   9
  10 struct dialog;
  11 struct dialog_data;
  12 struct input_history;
  13 struct session;
  14 struct terminal;
  15 struct widget_data;
  16
  17 enum inpfield_flags {
  18         INPFIELD_NONE = 0,      /* Field label on first line, value on next one. */
  19         INPFIELD_FLOAT = 1,     /* Field label followed by ':' and value on the same line. */
  20         INPFIELD_FLOAT2 = 2,    /* Field label followed by value on the same line. */
  21 };
  22
  23 struct widget_info_field {
  24         int min;
  25         int max;
  26         struct input_history *history;
  27         enum inpfield_flags flags;
  28 };
  29
  30 struct widget_data_info_field {
  31         int vpos;
  32         int cpos;
  33         LIST_OF(struct input_history_entry) history;
  34         struct input_history_entry *cur_hist;
  35 };
  36
  37 void
  38 add_dlg_field_do(struct dialog *dlg, enum widget_type type, unsigned char *label,
  39                  int min, int max, widget_handler_T *handler,
  40                  int data_len, void *data,
  41                  struct input_history *history, enum inpfield_flags flags);
  42
  43 #define add_dlg_field(dlg, label, min, max, handler, len, field, history)       \
  44         add_dlg_field_do(dlg, WIDGET_FIELD, label, min, max, handler, len, field, history, INPFIELD_NONE)
  45
  46 #define add_dlg_field_float(dlg, label, min, max, handler, len, field, history) \
  47         add_dlg_field_do(dlg, WIDGET_FIELD, label, min, max, handler, len, field, history, INPFIELD_FLOAT)
  48
  49 #define add_dlg_field_float2(dlg, label, min, max, handler, len, field, history)        \
  50         add_dlg_field_do(dlg, WIDGET_FIELD, label, min, max, handler, len, field, history, INPFIELD_FLOAT2)
  51
  52 #define add_dlg_field_pass(dlg, label, min, max, handler, len, field)   \
  53         add_dlg_field_do(dlg, WIDGET_FIELD_PASS, label, min, max, handler, len, field, NULL, INPFIELD_NONE)
  54
  55 #define add_dlg_field_float_pass(dlg, label, min, max, handler, len, field)     \
  56         add_dlg_field_do(dlg, WIDGET_FIELD_PASS, label, min, max, handler, len, field, NULL, INPFIELD_FLOAT)
  57
  58
  59 extern const struct widget_ops field_ops;
  60 extern const struct widget_ops field_pass_ops;
  61
  62 widget_handler_status_T check_number(struct dialog_data *, struct widget_data *);
  63 widget_handler_status_T check_nonempty(struct dialog_data *, struct widget_data *);
  64
  65 void dlg_format_field(struct terminal *, struct widget_data *, int, int *, int, int *, enum format_align, int format_only);
  66
  67 void input_field(struct terminal *, struct memory_list *, int, unsigned char *,
  68                  unsigned char *, unsigned char *, unsigned char *, void *,
  69                  struct input_history *, int, unsigned char *, int, int,
  70                  widget_handler_T *check,
  71                  void (*)(void *, unsigned char *),
  72                  void (*)(void *));
  73
  74 void
  75 input_dialog(struct terminal *term, struct memory_list *ml,
  76              unsigned char *title,
  77              unsigned char *text,
  78              void *data, struct input_history *history, int l,
  79              unsigned char *def, int min, int max,
  80              widget_handler_T *check,
  81              void (*fn)(void *, unsigned char *),
  82              void (*cancelfn)(void *));
  83
  84
  85 /* Input lines */
  86
  87 #define INPUT_LINE_BUFFER_SIZE  256
  88 #define INPUT_LINE_WIDGETS      1
  89
  90 enum input_line_code {
  91         INPUT_LINE_CANCEL,
  92         INPUT_LINE_PROCEED,
  93         INPUT_LINE_REWIND,
  94 };
  95
  96 struct input_line;
  97
  98 /* If the handler returns non zero value it means to cancel the input line */
  99 typedef enum input_line_code (*input_line_handler_T)(struct input_line *line, int action_id);
 100
 101 struct input_line {
 102         struct session *ses;
 103         input_line_handler_T handler;
 104         void *data;
 105         unsigned char buffer[INPUT_LINE_BUFFER_SIZE];
 106 };
 107
 108 void
 109 input_field_line(struct session *ses, unsigned char *prompt, void *data,
 110                  struct input_history *history, input_line_handler_T handler);
 111
 112 #define widget_has_history(widget_data) ((widget_data)->widget->type == WIDGET_FIELD \
 113                                          && (widget_data)->widget->info.field.history)
 114
 115 #define widget_is_textfield(widget_data) ((widget_data)->widget->type == WIDGET_FIELD \
 116                                           || (widget_data)->widget->type == WIDGET_FIELD_PASS)
 117
 118 #endif