qulogic/libgnt

Simplify some confusing code
release-2.x.y v2.10.8 v2.10.9
2013-02-26, Daniel Atallah
fabc15bbea63
Simplify some confusing code
/**
* @file gntentry.h Entry API
* @ingroup gnt
*/
/*
* GNT - The GLib Ncurses Toolkit
*
* GNT is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*/
#ifndef GNT_ENTRY_H
#define GNT_ENTRY_H
#include "gntwidget.h"
#include "gnt.h"
#include "gntcolors.h"
#include "gntkeys.h"
#define GNT_TYPE_ENTRY (gnt_entry_get_gtype())
#define GNT_ENTRY(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GNT_TYPE_ENTRY, GntEntry))
#define GNT_ENTRY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GNT_TYPE_ENTRY, GntEntryClass))
#define GNT_IS_ENTRY(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GNT_TYPE_ENTRY))
#define GNT_IS_ENTRY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GNT_TYPE_ENTRY))
#define GNT_ENTRY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GNT_TYPE_ENTRY, GntEntryClass))
#define GNT_ENTRY_FLAGS(obj) (GNT_ENTRY(obj)->priv.flags)
#define GNT_ENTRY_SET_FLAGS(obj, flags) (GNT_ENTRY_FLAGS(obj) |= flags)
#define GNT_ENTRY_UNSET_FLAGS(obj, flags) (GNT_ENTRY_FLAGS(obj) &= ~(flags))
#define ENTRY_CHAR '_' /* The character to use to fill in the blank places */
typedef struct _GntEntry GntEntry;
typedef struct _GntEntryPriv GntEntryPriv;
typedef struct _GntEntryClass GntEntryClass;
typedef struct _GntEntryKillRing GntEntryKillRing;
typedef struct _GntEntrySearch GntEntrySearch;
typedef enum
{
GNT_ENTRY_FLAG_ALPHA = 1 << 0, /* Only alpha */
GNT_ENTRY_FLAG_INT = 1 << 1, /* Only integer */
GNT_ENTRY_FLAG_NO_SPACE = 1 << 2, /* No blank space is allowed */
GNT_ENTRY_FLAG_NO_PUNCT = 1 << 3, /* No punctuations */
GNT_ENTRY_FLAG_MASK = 1 << 4, /* Mask the inputs */
} GntEntryFlag;
#define GNT_ENTRY_FLAG_ALL (GNT_ENTRY_FLAG_ALPHA | GNT_ENTRY_FLAG_INT)
struct _GntEntry
{
GntWidget parent;
GntEntryFlag flag;
char *start;
char *end;
char *scroll; /* Current scrolling position */
char *cursor; /* Cursor location */
/* 0 <= cursor - scroll < widget-width */
size_t buffer; /* Size of the buffer */
int max; /* 0 means infinite */
gboolean masked;
GList *history; /* History of the strings. User can use this by pressing ctrl+up/down */
int histlength; /* How long can the history be? */
GList *suggests; /* List of suggestions */
gboolean word; /* Are the suggestions for only a word, or for the whole thing? */
gboolean always; /* Should the list of suggestions show at all times, or only on tab-press? */
GntWidget *ddown; /* The dropdown with the suggested list */
GntEntryKillRing *killring; /**< @since 2.3.0 */
GntEntrySearch *search; /**< @since 2.7.0 */
};
struct _GntEntryClass
{
GntWidgetClass parent;
void (*text_changed)(GntEntry *entry);
void (*gnt_reserved1)(void);
void (*gnt_reserved2)(void);
void (*gnt_reserved3)(void);
void (*gnt_reserved4)(void);
};
G_BEGIN_DECLS
/**
* @return GType for GntEntry.
*/
GType gnt_entry_get_gtype(void);
/**
* Create a new GntEntry.
*
* @param text The text in the new entry box.
*
* @return The newly created entry box.
*/
GntWidget * gnt_entry_new(const char *text);
/**
* Set the maximum length of the text in the entry box.
*
* @param entry The entry box.
* @param max The maximum length for text. A value of 0 means infinite length.
*/
void gnt_entry_set_max(GntEntry *entry, int max);
/**
* Set the text in an entry box.
*
* @param entry The entry box.
* @param text The text to set in the box.
*/
void gnt_entry_set_text(GntEntry *entry, const char *text);
/**
* Set flags an entry box.
*
* @param entry The entry box.
* @param flag The flags to set for the entry box.
*/
void gnt_entry_set_flag(GntEntry *entry, GntEntryFlag flag);
/**
* Get the text in an entry box.
*
* @param entry The entry box.
*
* @return The current text in the entry box.
*/
const char *gnt_entry_get_text(GntEntry *entry);
/**
* Clear the text in the entry box.
*
* @param entry The entry box.
*/
void gnt_entry_clear(GntEntry *entry);
/**
* Set whether the text in the entry box should be masked for display.
*
* @param entry The entry box.
* @param set @c TRUE if the text should be masked, @c FALSE otherwise.
*/
void gnt_entry_set_masked(GntEntry *entry, gboolean set);
/**
* Add a text to the history list for the text. The history length for the
* entry box needs to be set first by gnt_entry_set_history_length.
*
* @param entry The entry box.
* @param text A new entry for the history list.
*/
void gnt_entry_add_to_history(GntEntry *entry, const char *text);
/**
* Set the length of history for the entry box.
*
* @param entry The entry box.
* @param num The maximum length of the history.
*/
void gnt_entry_set_history_length(GntEntry *entry, int num);
/**
* Set whether the suggestions are for the entire entry box, or for each
* individual word in the entry box.
*
* @param entry The entry box.
* @param word @c TRUE if the suggestions are for individual words, @c FALSE otherwise.
*/
void gnt_entry_set_word_suggest(GntEntry *entry, gboolean word);
/**
* Set whether to always display the suggestions list, or only when the
* tab-completion key is pressed (the TAB key, by default).
*
* @param entry The entry box.
* @param always @c TRUE if the suggestion list should always be displayed.
*/
void gnt_entry_set_always_suggest(GntEntry *entry, gboolean always);
/**
* Add an item to the suggestion list.
*
* @param entry The entry box.
* @param text An item to add to the suggestion list.
*/
void gnt_entry_add_suggest(GntEntry *entry, const char *text);
/**
* Remove an entry from the suggestion list.
*
* @param entry The entry box.
* @param text The item to remove from the suggestion list.
*/
void gnt_entry_remove_suggest(GntEntry *entry, const char *text);
G_END_DECLS
#endif /* GNT_ENTRY_H */