qulogic/libgnt
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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.
/**
* 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
*/
#include
"gntinternal.h"
#include
"gntlabel.h"
#include
"gntutils.h"
#include
<string.h>
enum
{
PROP_0
,
PROP_TEXT
,
PROP_TEXT_FLAG
};
enum
{
SIGS
=
1
,
};
static
GntWidgetClass
*
parent_class
=
NULL
;
static
void
gnt_label_destroy
(
GntWidget
*
widget
)
{
GntLabel
*
label
=
GNT_LABEL
(
widget
);
g_free
(
label
->
text
);
}
static
void
gnt_label_draw
(
GntWidget
*
widget
)
{
GntLabel
*
label
=
GNT_LABEL
(
widget
);
chtype
flag
=
gnt_text_format_flag_to_chtype
(
label
->
flags
);
wbkgdset
(
widget
->
window
,
'\0'
|
flag
);
mvwaddstr
(
widget
->
window
,
0
,
0
,
C_
(
label
->
text
));
GNTDEBUG
;
}
static
void
gnt_label_size_request
(
GntWidget
*
widget
)
{
GntLabel
*
label
=
GNT_LABEL
(
widget
);
gnt_util_get_text_bound
(
label
->
text
,
&
widget
->
priv
.
width
,
&
widget
->
priv
.
height
);
}
static
void
gnt_label_set_property
(
GObject
*
obj
,
guint
prop_id
,
const
GValue
*
value
,
GParamSpec
*
spec
)
{
GntLabel
*
label
=
GNT_LABEL
(
obj
);
switch
(
prop_id
)
{
case
PROP_TEXT
:
g_free
(
label
->
text
);
label
->
text
=
gnt_util_onscreen_fit_string
(
g_value_get_string
(
value
),
-1
);
break
;
case
PROP_TEXT_FLAG
:
label
->
flags
=
g_value_get_int
(
value
);
break
;
default
:
g_return_if_reached
();
break
;
}
}
static
void
gnt_label_get_property
(
GObject
*
obj
,
guint
prop_id
,
GValue
*
value
,
GParamSpec
*
spec
)
{
GntLabel
*
label
=
GNT_LABEL
(
obj
);
switch
(
prop_id
)
{
case
PROP_TEXT
:
g_value_set_string
(
value
,
label
->
text
);
break
;
case
PROP_TEXT_FLAG
:
g_value_set_int
(
value
,
label
->
flags
);
break
;
default
:
break
;
}
}
static
void
gnt_label_class_init
(
GntLabelClass
*
klass
)
{
GObjectClass
*
gclass
=
G_OBJECT_CLASS
(
klass
);
parent_class
=
GNT_WIDGET_CLASS
(
klass
);
parent_class
->
destroy
=
gnt_label_destroy
;
parent_class
->
draw
=
gnt_label_draw
;
parent_class
->
map
=
NULL
;
parent_class
->
size_request
=
gnt_label_size_request
;
gclass
->
set_property
=
gnt_label_set_property
;
gclass
->
get_property
=
gnt_label_get_property
;
g_object_class_install_property
(
gclass
,
PROP_TEXT
,
g_param_spec_string
(
"text"
,
"Text"
,
"The text for the label."
,
NULL
,
G_PARAM_READWRITE
|
G_PARAM_STATIC_NAME
|
G_PARAM_STATIC_NICK
|
G_PARAM_STATIC_BLURB
)
);
g_object_class_install_property
(
gclass
,
PROP_TEXT_FLAG
,
g_param_spec_int
(
"text-flag"
,
"Text flag"
,
"Text attribute to use when displaying the text in the label."
,
GNT_TEXT_FLAG_NORMAL
,
GNT_TEXT_FLAG_NORMAL
|
GNT_TEXT_FLAG_BOLD
|
GNT_TEXT_FLAG_UNDERLINE
|
GNT_TEXT_FLAG_BLINK
|
GNT_TEXT_FLAG_DIM
|
GNT_TEXT_FLAG_HIGHLIGHT
,
GNT_TEXT_FLAG_NORMAL
,
G_PARAM_READWRITE
|
G_PARAM_STATIC_NAME
|
G_PARAM_STATIC_NICK
|
G_PARAM_STATIC_BLURB
)
);
GNTDEBUG
;
}
static
void
gnt_label_init
(
GTypeInstance
*
instance
,
gpointer
class
)
{
GntWidget
*
widget
=
GNT_WIDGET
(
instance
);
gnt_widget_set_take_focus
(
widget
,
FALSE
);
GNT_WIDGET_SET_FLAGS
(
widget
,
GNT_WIDGET_NO_BORDER
|
GNT_WIDGET_NO_SHADOW
);
GNT_WIDGET_SET_FLAGS
(
widget
,
GNT_WIDGET_GROW_X
);
widget
->
priv
.
minw
=
3
;
widget
->
priv
.
minh
=
1
;
GNTDEBUG
;
}
/******************************************************************************
* GntLabel API
*****************************************************************************/
GType
gnt_label_get_gtype
(
void
)
{
static
GType
type
=
0
;
if
(
type
==
0
)
{
static
const
GTypeInfo
info
=
{
sizeof
(
GntLabelClass
),
NULL
,
/* base_init */
NULL
,
/* base_finalize */
(
GClassInitFunc
)
gnt_label_class_init
,
NULL
,
/* class_finalize */
NULL
,
/* class_data */
sizeof
(
GntLabel
),
0
,
/* n_preallocs */
gnt_label_init
,
/* instance_init */
NULL
/* value_table */
};
type
=
g_type_register_static
(
GNT_TYPE_WIDGET
,
"GntLabel"
,
&
info
,
0
);
}
return
type
;
}
GntWidget
*
gnt_label_new
(
const
char
*
text
)
{
return
gnt_label_new_with_format
(
text
,
0
);
}
GntWidget
*
gnt_label_new_with_format
(
const
char
*
text
,
GntTextFormatFlags
flags
)
{
GntWidget
*
widget
=
g_object_new
(
GNT_TYPE_LABEL
,
"text-flag"
,
flags
,
"text"
,
text
,
NULL
);
return
widget
;
}
void
gnt_label_set_text
(
GntLabel
*
label
,
const
char
*
text
)
{
g_object_set
(
label
,
"text"
,
text
,
NULL
);
if
(
GNT_WIDGET
(
label
)
->
window
)
{
werase
(
GNT_WIDGET
(
label
)
->
window
);
gnt_widget_draw
(
GNT_WIDGET
(
label
));
}
}