mc/src/widget.h
1998-04-17 00:59:58 +00:00

246 lines
8.5 KiB
C

#ifndef __WIDGET_H
#define __WIDGET_H
#define C_BOOL 1
#define C_CHANGE 2
/* Please note that the first element in all the widgets is a */
/* widget variable of type Widget. We abuse this fact everywhere */
/* Widget_Items */
#define HIDDEN_BUTTON 0
#define NARROW_BUTTON 1
#define NORMAL_BUTTON 2
#define DEFPUSH_BUTTON 3
typedef struct WButton {
Widget widget;
int action; /* what to do when pressed */
int selected; /* button state */
unsigned int flags; /* button flags */
char *text; /* text of button */
int hotkey; /* hot KEY */
int hotpos; /* offset hot KEY char in text */
int (*callback)(int, void*); /* Callback function */
void *callback_data;
} WButton;
typedef struct WRadio {
Widget widget;
unsigned int state; /* radio button state */
int pos, sel;
int count; /* number of members */
char **texts; /* texts of labels */
int upper_letter_is_hotkey; /* If true, then the capital letter is a hk */
#ifdef HAVE_GNOME
void *first_gtk_radio;
#endif
} WRadio;
typedef struct WCheck {
Widget widget;
unsigned int state; /* check button state */
char *text; /* text of check button */
int hotkey; /* hot KEY */
int hotpos; /* offset hot KEY char in text */
} WCheck;
typedef struct WGauge {
Widget widget;
int shown;
int max;
int current;
int pixels; /* Only used for Tk:
* We keep the pixel size in the C code
* so that we can compute quickly compute
* the size of the rectangle in the Tk
* canvas. Using Tcl would be too slow.
*/
} WGauge;
typedef struct hist_entry {
struct hist_entry *prev;
struct hist_entry *next;
char *text;
} Hist;
Hist *history_get (char *input_name);
void history_put (char *input_name, Hist *h);
char *show_hist (Hist *history, int widget_y, int widget_x);
typedef struct {
Widget widget;
int point; /* cursor position in the input line */
int mark; /* The mark position */
int first_shown; /* Index of the first shown character */
int current_max_len; /* Maximum length of input line */
int field_len; /* Length of the editing field */
int color; /* color used */
int first; /* Is first keystroke? */
int disable_update; /* Do we want to skip updates? */
int is_password; /* Is this a password input line? */
char *buffer; /* pointer to editing buffer */
Hist *history; /* The history */
int need_push; /* need to push the current Input on hist? */
char **completions; /* Possible completions array */
int completion_flags; /* INPUT_COMPLETE* bitwise flags(complete.h) */
int inserted_one; /* TK: just one char inserted, nothing fancy */
char *history_name; /* name of history for loading and saving */
} WInput;
/* For history load-save functions */
#define INPUT_LAST_TEXT ((char *) 2)
#define HISTORY_FILE_NAME ".mc/history"
typedef struct {
Widget widget;
int auto_adjust_cols; /* compute widget.cols from strlen(text)? */
char *text;
int transparent; /* Paint in the default color fg/bg */
} WLabel;
typedef struct WLEntry {
char *text; /* Text to display */
int hotkey;
void *data; /* Client information */
struct WLEntry *next;
struct WLEntry *prev;
} WLEntry;
enum {
listbox_begin, listbox_end
} /* listbox_insert */;
/* Listbox actions when selecting an option: */
enum {
listbox_nothing,
listbox_finish, /* finish dialog */
listbox_cback /* call the callback routine */
} /* listbox_action */;
typedef int (*lcback) (void *);
typedef struct {
Widget widget;
WLEntry *list; /* Pointer to the circular double linked list. */
WLEntry *top; /* The first element displayed */
WLEntry *current; /* The current element displayed */
int pos; /* Cur. pos, must be kept in sync with current */
int count; /* Number of items in the listbox */
int width;
int height; /* Size of the widget */
int action; /* Action type */
int allow_duplicates; /* Do we allow duplicates on the list? */
int scrollbar; /* Draw a scrollbar? */
lcback cback; /* The callback function */
int cursor_x, cursor_y; /* Cache the values */
} WListbox;
typedef struct {
Widget widget;
int visible; /* Is it visible? */
struct {
char *text;
void (*function)(void *data);
void *data;
} labels [10];
} WButtonBar;
/* Constructors */
WButton *button_new (int y, int x, int action, int flags, char *text,
int (*callback)(int, void *), void *extra, char *tkname);
WRadio *radio_new (int y, int x, int count, char **text, int use_hotkey, char *tkname);
WCheck *check_new (int y, int x, int state, char *text, char *tkname);
WInput *input_new (int y, int x, int color, int len, char *text, char *tkname);
WLabel *label_new (int y, int x, char *text, char *tkname);
WGauge *gauge_new (int y, int x, int shown, int max, int current, char *tkname);
WListbox *listbox_new (int x, int y, int width, int height, int action,
lcback, char *tkname);
/* Input lines */
void winput_set_origin (WInput *i, int x, int field_len);
int handle_char (WInput *in, int c_code);
int is_in_input_map (WInput *in, int c_code);
void update_input (WInput *in, int clear_first);
void new_input (WInput *in);
int push_history (WInput *in, char *text);
void stuff (WInput *in, char *text, int insert_extra_space);
void input_disable_update (WInput *in);
void input_set_prompt (WInput *in, int field_len, char *prompt);
void input_enable_update (WInput *in);
void input_set_point (WInput *in, int pos);
void input_show_cursor (WInput *in);
void assign_text (WInput *in, char *text);
/* Labels */
void label_set_text (WLabel *label, char *text);
/* Gauges */
void gauge_set_value (WGauge *g, int max, int current);
void gauge_show (WGauge *g, int shown);
/* Buttons */
void button_set_text (WButton *b, char *text);
/* Listbox manager */
WLEntry *listbox_get_data (WListbox *l, int pos);
/* search text int listbox entries */
WLEntry *listbox_search_text (WListbox *l, char *text);
void listbox_select_entry (WListbox *l, WLEntry *dest);
void listbox_select_by_number (WListbox *l, int n);
void listbox_select_last (WListbox *l, int set_top);
void listbox_remove_current (WListbox *l, int force);
void listbox_remove_list (WListbox *l);
void listbox_get_current (WListbox *l, char **string, char **extra);
enum append_pos {
LISTBOX_APPEND_AT_END, /* append at the end */
LISTBOX_APPEND_BEFORE, /* insert before current */
LISTBOX_APPEND_AFTER /* insert after current */
};
char *listbox_add_item (WListbox *l, enum append_pos pos, int
hotkey, char *text, void *data);
/* Hintbar routines */
/* Buttonbar routines */
WButtonBar *buttonbar_new (int visible);
typedef void (*buttonbarfn )(void *);
typedef void (*voidfn)(void);
void define_label (Dlg_head *, Widget *paneletc, int index, char *text, voidfn);
void define_label_data (Dlg_head *h, Widget *paneletc, int idx, char *text,
buttonbarfn cback, void *data);
void set_label_text (WButtonBar *, int, char *);
void redraw_labels (Dlg_head *h, Widget *paneletc);
WButtonBar *find_buttonbar (Dlg_head *h, Widget *paneletc);
void buttonbar_hint (WButtonBar *bb, char *s);
#ifdef HAVE_X
int x_create_radio (Dlg_head *h, widget_data parent, WRadio *r);
int x_create_button (Dlg_head *h, widget_data parent, WButton *b);
int x_create_check (Dlg_head *h, widget_data parent, WCheck *c);
int x_create_label (Dlg_head *h, widget_data parent, WLabel *l);
int x_create_input (Dlg_head *h, widget_data parent, WInput *in);
int x_create_listbox (Dlg_head *h, widget_data parent, WListbox *l);
int x_create_buttonbar (Dlg_head *h, widget_data parent, WButtonBar *bb);
void x_button_set (WButton *b, char *text);
void x_label_set_text (WLabel *label, char *text);
void x_listbox_select_nth (WListbox *l, int nth);
void x_listbox_delete_nth (WListbox *l, int nth);
void x_label_set_text (WLabel *label, char *text);
int x_create_gauge (Dlg_head *h, widget_data parent, WGauge *g);
void x_gauge_show (WGauge *g);
void x_gauge_set_value (WGauge *g, int max, int current);
void x_radio_toggle (WRadio *);
void x_radio_focus_item (WRadio *radio);
void x_listbox_select_nth (WListbox *, int);
void x_list_insert (WListbox *, WLEntry *, WLEntry *);
void x_redefine_label (WButtonBar *, int);
void x_update_input (WInput *in);
#endif
#endif /* __WIDGET_H */