qulogic/libgnt

Make the combobox a tiny bit friendlier.
v2.7.3
2010-07-05, Sadrul Habib Chowdhury
ac8d8a62c098
Make the combobox a tiny bit friendlier.

Pressing the first letter of an item will now jump to that item (and
popup the dropdown first if necessary). Add some API in libgnt in the
process.
/**
* @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 */