Files
squeekboard/eek/eek-key.c
2010-06-04 12:09:08 +09:00

375 lines
10 KiB
C

/*
* Copyright (C) 2010 Daiki Ueno <ueno@unixuser.org>
* Copyright (C) 2010 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
/**
* SECTION:eek-key
* @short_description: Base interface of a key
* @see_also: #EekSection
*
* The #EekKeyIface interface represents a key, which is parented to
* #EekSectionIface.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */
#include "eek-key.h"
#include "eek-keysym.h"
static void
eek_key_base_init (gpointer g_iface)
{
static gboolean is_initialized = FALSE;
if (!is_initialized) {
GParamSpec *pspec;
/**
* EekKey:name:
*
* The name of #EekKey.
*/
pspec = g_param_spec_string ("name",
"Name",
"Name",
NULL,
G_PARAM_READWRITE);
g_object_interface_install_property (g_iface, pspec);
/**
* EekKey:keysyms:
*
* The symbol matrix of #EekKey.
*/
pspec = g_param_spec_boxed ("keysyms",
"Keysyms",
"Symbol matrix of the key",
EEK_TYPE_KEYSYM_MATRIX,
G_PARAM_READWRITE);
g_object_interface_install_property (g_iface, pspec);
/**
* EekKey:column:
*
* The column index of #EekKey in the parent #EekSection.
*/
pspec = g_param_spec_int ("column",
"Column",
"Column index of the key in section",
-1, G_MAXINT, -1,
G_PARAM_READWRITE);
g_object_interface_install_property (g_iface, pspec);
/**
* EekKey:row:
*
* The row index of #EekKey in the parent #EekSection.
*/
pspec = g_param_spec_int ("row",
"Row",
"Row index of the key in section",
-1, G_MAXINT, -1,
G_PARAM_READWRITE);
g_object_interface_install_property (g_iface, pspec);
/**
* EekKey:outline:
*
* The pointer to the outline shape of #EekKey.
*/
/* Use pointer instead of boxed to avoid copy, since we can
assume that only a few outline shapes are used in a whole
keyboard (unlike labels and bounds). */
pspec = g_param_spec_pointer ("outline",
"Outline",
"Pointer to outline shape of the key",
G_PARAM_READWRITE);
g_object_interface_install_property (g_iface, pspec);
/**
* EekKey:bounds:
*
* The bounding box of #EekKey.
*/
pspec = g_param_spec_boxed ("bounds",
"Bounds",
"Bounding box of the key",
EEK_TYPE_BOUNDS,
G_PARAM_READWRITE);
g_object_interface_install_property (g_iface, pspec);
/**
* EekKey:group:
*
* The column index of #EekKey in the label matrix #EekKey:labels.
*/
pspec = g_param_spec_int ("group",
"Group",
"Current group of the key",
0, 64, 0,
G_PARAM_READWRITE);
g_object_interface_install_property (g_iface, pspec);
/**
* EekKey:level:
*
* The row index of #EekKey in the label matrix #EekKey:labels.
*/
pspec = g_param_spec_int ("level",
"Level",
"Current level of the key",
0, 3, 0,
G_PARAM_READWRITE);
g_object_interface_install_property (g_iface, pspec);
is_initialized = TRUE;
}
}
GType
eek_key_get_type (void)
{
static GType iface_type = 0;
if (iface_type == 0) {
static const GTypeInfo info = {
sizeof (EekKeyIface),
eek_key_base_init, /* iface_base_init */
NULL /* iface_base_finalize */
};
iface_type = g_type_register_static (G_TYPE_INTERFACE,
"EekKey",
&info,
0);
}
return iface_type;
}
/**
* eek_key_set_keysyms:
* @key: an #EekKey
* @keysyms: symbol matrix of @key
* @num_groups: the number of groups (rows) of @keysyms
* @num_levels: the number of levels (columns) of @keysyms
*
* Set the symbol matrix of @key to @keysyms. @keysyms is an array of
* symbols (unsigned int) and the length must match with @num_groups *
* @num_levels.
*/
void
eek_key_set_keysyms (EekKey *key,
guint *keysyms,
gint num_groups,
gint num_levels)
{
EekKeyIface *iface = EEK_KEY_GET_IFACE(key);
g_return_if_fail (iface);
g_return_if_fail (iface->set_keysyms);
(*iface->set_keysyms) (key, keysyms, num_groups, num_levels);
}
/**
* eek_key_get_groups:
* @key: an #EekKey
*
* Get the number of groups (rows) of the symbol matrix of @key.
*/
gint
eek_key_get_groups (EekKey *key)
{
EekKeyIface *iface = EEK_KEY_GET_IFACE(key);
g_return_val_if_fail (iface, -1);
g_return_val_if_fail (iface->get_groups, -1);
return (*iface->get_groups) (key);
}
/**
* eek_key_get_keysym:
* @key: an #EekKey
*
* Get the current symbol of @key. It is depend on the current group,
* level, and the symbol matrix of @key. They are set with
* eek_key_set_group(), eek_key_set_level(), and eek_key_set_labels(),
* respectively.
*/
guint
eek_key_get_keysym (EekKey *key)
{
EekKeyIface *iface = EEK_KEY_GET_IFACE(key);
g_return_val_if_fail (iface, EEK_INVALID_KEYSYM);
g_return_val_if_fail (iface->get_keysym, EEK_INVALID_KEYSYM);
return (*iface->get_keysym) (key);
}
/**
* eek_key_set_index:
* @key: an #EekKey
* @column: column index in the section
* @row: row index in the section
*
* Set column and row index of @key in the parent section.
*/
void
eek_key_set_index (EekKey *key,
gint column,
gint row)
{
EekKeyIface *iface = EEK_KEY_GET_IFACE(key);
g_return_if_fail (iface);
g_return_if_fail (iface->set_index);
(*iface->set_index) (key, column, row);
}
/**
* eek_key_get_index:
* @key: an #EekKey
* @column: a pointer to where column index in the section is stored
* @row: a pointer to where row index in the section is stored
*
* Get column and row index of @key in the parent section.
*/
void
eek_key_get_index (EekKey *key,
gint *column,
gint *row)
{
EekKeyIface *iface = EEK_KEY_GET_IFACE(key);
g_return_if_fail (iface);
g_return_if_fail (iface->get_index);
return (*iface->get_index) (key, column, row);
}
/**
* eek_key_set_outline:
* @key: an #EekKey
* @outline: a pointer to the outline shape of @key
*
* Set outline shape of @key.
*/
void
eek_key_set_outline (EekKey *key,
EekOutline *outline)
{
EekKeyIface *iface = EEK_KEY_GET_IFACE(key);
g_return_if_fail (iface);
g_return_if_fail (iface->set_outline);
(*iface->set_outline) (key, outline);
}
/**
* eek_key_get_outline:
* @key: an #EekKey
*
* Get outline shape of @key as a pointer.
*/
EekOutline *
eek_key_get_outline (EekKey *key)
{
EekKeyIface *iface = EEK_KEY_GET_IFACE(key);
g_return_val_if_fail (iface, NULL);
g_return_val_if_fail (iface->get_outline, NULL);
return (*iface->get_outline) (key);
}
/**
* eek_key_set_bounds:
* @key: a #EekKey
* @bounds: bounding box of @key
*
* Set the bounding box of @key to @bounds.
*/
void
eek_key_set_bounds (EekKey *key,
EekBounds *bounds)
{
EekKeyIface *iface = EEK_KEY_GET_IFACE(key);
g_return_if_fail (iface);
g_return_if_fail (iface->set_bounds);
(*iface->set_bounds) (key, bounds);
}
/**
* eek_key_get_bounds:
* @key: a #EekKey
* @bounds: the bounding box of @key
*
* Get the bounding box of @key.
*/
void
eek_key_get_bounds (EekKey *key,
EekBounds *bounds)
{
EekKeyIface *iface = EEK_KEY_GET_IFACE(key);
g_return_if_fail (iface);
g_return_if_fail (iface->get_bounds);
return (*iface->get_bounds) (key, bounds);
}
/**
* eek_key_set_keysym_index:
* @key: a #EekKey
* @group: row index of the symbol matrix #EekKey:keysyms
* @level: column index of the symbol matrix #EekKey:keysyms
*
* Select a cell of the symbol matrix of @key.
*/
void
eek_key_set_keysym_index (EekKey *key,
gint group,
gint level)
{
EekKeyIface *iface = EEK_KEY_GET_IFACE(key);
g_return_if_fail (iface);
g_return_if_fail (iface->set_keysym_index);
(*iface->set_keysym_index) (key, group, level);
}
/**
* eek_key_get_keysym_index:
* @key: a #EekKey
* @group: a pointer to row index of the symbol matrix #EekKey:keysyms
* to be stored
* @level: a pointer to column index of the symbol matrix
* #EekKey:keysyms to be stored
*
* Get the current cell position of the symbol matrix of @key.
*/
void
eek_key_get_keysym_index (EekKey *key, gint *column, gint *row)
{
EekKeyIface *iface = EEK_KEY_GET_IFACE(key);
g_return_if_fail (iface);
g_return_if_fail (iface->get_keysym_index);
return (*iface->get_keysym_index) (key, column, row);
}