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
"gntbox.h"
#include
"gntstyle.h"
#include
"gntutils.h"
#include
<string.h>
#define PROP_LAST_RESIZE_S "last-resize"
#define PROP_SIZE_QUEUED_S "size-queued"
enum
{
PROP_0
,
PROP_VERTICAL
,
PROP_HOMO
/* ... */
};
enum
{
SIGS
=
1
,
};
static
GntWidgetClass
*
parent_class
=
NULL
;
static
GntWidget
*
find_focusable_widget
(
GntBox
*
box
);
static
void
add_to_focus
(
gpointer
value
,
gpointer
data
)
{
GntBox
*
box
=
GNT_BOX
(
data
);
GntWidget
*
w
=
GNT_WIDGET
(
value
);
if
(
GNT_IS_BOX
(
w
))
g_list_foreach
(
GNT_BOX
(
w
)
->
list
,
add_to_focus
,
box
);
else
if
(
GNT_WIDGET_IS_FLAG_SET
(
w
,
GNT_WIDGET_CAN_TAKE_FOCUS
))
box
->
focus
=
g_list_append
(
box
->
focus
,
w
);
}
static
void
get_title_thingies
(
GntBox
*
box
,
char
*
title
,
int
*
p
,
int
*
r
)
{
GntWidget
*
widget
=
GNT_WIDGET
(
box
);
int
len
;
char
*
end
=
(
char
*
)
gnt_util_onscreen_width_to_pointer
(
title
,
widget
->
priv
.
width
-
4
,
&
len
);
if
(
p
)
*
p
=
(
widget
->
priv
.
width
-
len
)
/
2
;
if
(
r
)
*
r
=
(
widget
->
priv
.
width
+
len
)
/
2
;
*
end
=
'\0'
;
}
static
void
gnt_box_draw
(
GntWidget
*
widget
)
{
GntBox
*
box
=
GNT_BOX
(
widget
);
if
(
box
->
focus
==
NULL
&&
widget
->
parent
==
NULL
)
g_list_foreach
(
box
->
list
,
add_to_focus
,
box
);
g_list_foreach
(
box
->
list
,
(
GFunc
)
gnt_widget_draw
,
NULL
);
if
(
box
->
title
&&
!
GNT_WIDGET_IS_FLAG_SET
(
widget
,
GNT_WIDGET_NO_BORDER
))
{
int
pos
,
right
;
char
*
title
=
g_strdup
(
box
->
title
);
get_title_thingies
(
box
,
title
,
&
pos
,
&
right
);
if
(
gnt_widget_has_focus
(
widget
))
wbkgdset
(
widget
->
window
,
'\0'
|
gnt_color_pair
(
GNT_COLOR_TITLE
));
else
wbkgdset
(
widget
->
window
,
'\0'
|
gnt_color_pair
(
GNT_COLOR_TITLE_D
));
mvwaddch
(
widget
->
window
,
0
,
pos
-1
,
ACS_RTEE
|
gnt_color_pair
(
GNT_COLOR_NORMAL
));
mvwaddstr
(
widget
->
window
,
0
,
pos
,
C_
(
title
));
mvwaddch
(
widget
->
window
,
0
,
right
,
ACS_LTEE
|
gnt_color_pair
(
GNT_COLOR_NORMAL
));
g_free
(
title
);
}
gnt_box_sync_children
(
box
);
}
static
void
reposition_children
(
GntWidget
*
widget
)
{
GList
*
iter
;
GntBox
*
box
=
GNT_BOX
(
widget
);
int
w
,
h
,
curx
,
cury
,
max
;
gboolean
has_border
=
FALSE
;
w
=
h
=
0
;
max
=
0
;
curx
=
widget
->
priv
.
x
;
cury
=
widget
->
priv
.
y
;
if
(
!
(
GNT_WIDGET_FLAGS
(
widget
)
&
GNT_WIDGET_NO_BORDER
))
{
has_border
=
TRUE
;
curx
+=
1
;
cury
+=
1
;
}
for
(
iter
=
box
->
list
;
iter
;
iter
=
iter
->
next
)
{
if
(
GNT_WIDGET_IS_FLAG_SET
(
GNT_WIDGET
(
iter
->
data
),
GNT_WIDGET_INVISIBLE
))
continue
;
gnt_widget_set_position
(
GNT_WIDGET
(
iter
->
data
),
curx
,
cury
);
gnt_widget_get_size
(
GNT_WIDGET
(
iter
->
data
),
&
w
,
&
h
);
if
(
box
->
vertical
)
{
if
(
h
)
{
cury
+=
h
+
box
->
pad
;
if
(
max
<
w
)
max
=
w
;
}
}
else
{
if
(
w
)
{
curx
+=
w
+
box
->
pad
;
if
(
max
<
h
)
max
=
h
;
}
}
}
if
(
has_border
)
{
curx
+=
1
;
cury
+=
1
;
max
+=
2
;
}
if
(
box
->
list
)
{
if
(
box
->
vertical
)
cury
-=
box
->
pad
;
else
curx
-=
box
->
pad
;
}
if
(
box
->
vertical
)
{
widget
->
priv
.
width
=
max
;
widget
->
priv
.
height
=
cury
-
widget
->
priv
.
y
;
}
else
{
widget
->
priv
.
width
=
curx
-
widget
->
priv
.
x
;
widget
->
priv
.
height
=
max
;
}
}
static
void
gnt_box_set_position
(
GntWidget
*
widget
,
int
x
,
int
y
)
{
GList
*
iter
;
int
changex
,
changey
;
changex
=
widget
->
priv
.
x
-
x
;
changey
=
widget
->
priv
.
y
-
y
;
for
(
iter
=
GNT_BOX
(
widget
)
->
list
;
iter
;
iter
=
iter
->
next
)
{
GntWidget
*
w
=
GNT_WIDGET
(
iter
->
data
);
gnt_widget_set_position
(
w
,
w
->
priv
.
x
-
changex
,
w
->
priv
.
y
-
changey
);
}
}
static
void
gnt_box_size_request
(
GntWidget
*
widget
)
{
GntBox
*
box
=
GNT_BOX
(
widget
);
GList
*
iter
;
int
maxw
=
0
,
maxh
=
0
;
g_list_foreach
(
box
->
list
,
(
GFunc
)
gnt_widget_size_request
,
NULL
);
for
(
iter
=
box
->
list
;
iter
;
iter
=
iter
->
next
)
{
int
w
,
h
;
gnt_widget_get_size
(
GNT_WIDGET
(
iter
->
data
),
&
w
,
&
h
);
if
(
maxh
<
h
)
maxh
=
h
;
if
(
maxw
<
w
)
maxw
=
w
;
}
for
(
iter
=
box
->
list
;
iter
;
iter
=
iter
->
next
)
{
int
w
,
h
;
GntWidget
*
wid
=
GNT_WIDGET
(
iter
->
data
);
gnt_widget_get_size
(
wid
,
&
w
,
&
h
);
if
(
box
->
homogeneous
)
{
if
(
box
->
vertical
)
h
=
maxh
;
else
w
=
maxw
;
}
if
(
box
->
fill
)
{
if
(
box
->
vertical
)
w
=
maxw
;
else
h
=
maxh
;
}
gnt_widget_confirm_size
(
wid
,
w
,
h
);
gnt_widget_set_size
(
wid
,
w
,
h
);
}
reposition_children
(
widget
);
}
static
void
gnt_box_map
(
GntWidget
*
widget
)
{
if
(
widget
->
priv
.
width
==
0
||
widget
->
priv
.
height
==
0
)
{
gnt_widget_size_request
(
widget
);
find_focusable_widget
(
GNT_BOX
(
widget
));
}
GNTDEBUG
;
}
/* Ensures that the current widget can take focus */
static
GntWidget
*
find_focusable_widget
(
GntBox
*
box
)
{
/* XXX: Make sure the widget is visible? */
if
(
box
->
focus
==
NULL
&&
GNT_WIDGET
(
box
)
->
parent
==
NULL
)
g_list_foreach
(
box
->
list
,
add_to_focus
,
box
);
if
(
box
->
active
==
NULL
&&
box
->
focus
)
box
->
active
=
box
->
focus
->
data
;
return
box
->
active
;
}
static
void
find_next_focus
(
GntBox
*
box
)
{
gpointer
last
=
box
->
active
;
do
{
GList
*
iter
=
g_list_find
(
box
->
focus
,
box
->
active
);
if
(
iter
&&
iter
->
next
)
box
->
active
=
iter
->
next
->
data
;
else
if
(
box
->
focus
)
box
->
active
=
box
->
focus
->
data
;
if
(
!
GNT_WIDGET_IS_FLAG_SET
(
box
->
active
,
GNT_WIDGET_INVISIBLE
)
&&
GNT_WIDGET_IS_FLAG_SET
(
box
->
active
,
GNT_WIDGET_CAN_TAKE_FOCUS
))
break
;
}
while
(
box
->
active
!=
last
);
}
static
void
find_prev_focus
(
GntBox
*
box
)
{
gpointer
last
=
box
->
active
;
if
(
!
box
->
focus
)
return
;
do
{
GList
*
iter
=
g_list_find
(
box
->
focus
,
box
->
active
);
if
(
!
iter
)
box
->
active
=
box
->
focus
->
data
;
else
if
(
!
iter
->
prev
)
box
->
active
=
g_list_last
(
box
->
focus
)
->
data
;
else
box
->
active
=
iter
->
prev
->
data
;
if
(
!
GNT_WIDGET_IS_FLAG_SET
(
box
->
active
,
GNT_WIDGET_INVISIBLE
))
break
;
}
while
(
box
->
active
!=
last
);
}
static
gboolean
gnt_box_key_pressed
(
GntWidget
*
widget
,
const
char
*
text
)
{
GntBox
*
box
=
GNT_BOX
(
widget
);
gboolean
ret
;
if
(
!
GNT_WIDGET_IS_FLAG_SET
(
widget
,
GNT_WIDGET_DISABLE_ACTIONS
))
return
FALSE
;
if
(
box
->
active
==
NULL
&&
!
find_focusable_widget
(
box
))
return
FALSE
;
if
(
gnt_widget_key_pressed
(
box
->
active
,
text
))
return
TRUE
;
/* This dance is necessary to make sure that the child widgets get a chance
to trigger their bindings first */
GNT_WIDGET_UNSET_FLAGS
(
widget
,
GNT_WIDGET_DISABLE_ACTIONS
);
ret
=
gnt_widget_key_pressed
(
widget
,
text
);
GNT_WIDGET_SET_FLAGS
(
widget
,
GNT_WIDGET_DISABLE_ACTIONS
);
return
ret
;
}
static
gboolean
box_focus_change
(
GntBox
*
box
,
gboolean
next
)
{
GntWidget
*
now
;
now
=
box
->
active
;
if
(
next
)
{
find_next_focus
(
box
);
}
else
{
find_prev_focus
(
box
);
}
if
(
now
&&
now
!=
box
->
active
)
{
gnt_widget_set_focus
(
now
,
FALSE
);
gnt_widget_set_focus
(
box
->
active
,
TRUE
);
return
TRUE
;
}
return
FALSE
;
}
static
gboolean
action_focus_next
(
GntBindable
*
bindable
,
GList
*
null
)
{
return
box_focus_change
(
GNT_BOX
(
bindable
),
TRUE
);
}
static
gboolean
action_focus_prev
(
GntBindable
*
bindable
,
GList
*
null
)
{
return
box_focus_change
(
GNT_BOX
(
bindable
),
FALSE
);
}
static
void
gnt_box_lost_focus
(
GntWidget
*
widget
)
{
GntWidget
*
w
=
GNT_BOX
(
widget
)
->
active
;
if
(
w
)
gnt_widget_set_focus
(
w
,
FALSE
);
gnt_widget_draw
(
widget
);
}
static
void
gnt_box_gained_focus
(
GntWidget
*
widget
)
{
GntWidget
*
w
=
GNT_BOX
(
widget
)
->
active
;
if
(
w
)
gnt_widget_set_focus
(
w
,
TRUE
);
gnt_widget_draw
(
widget
);
}
static
void
gnt_box_destroy
(
GntWidget
*
w
)
{
GntBox
*
box
=
GNT_BOX
(
w
);
gnt_box_remove_all
(
box
);
gnt_screen_release
(
w
);
}
static
void
gnt_box_expose
(
GntWidget
*
widget
,
int
x
,
int
y
,
int
width
,
int
height
)
{
WINDOW
*
win
=
newwin
(
height
,
width
,
widget
->
priv
.
y
+
y
,
widget
->
priv
.
x
+
x
);
copywin
(
widget
->
window
,
win
,
y
,
x
,
0
,
0
,
height
-
1
,
width
-
1
,
FALSE
);
wrefresh
(
win
);
delwin
(
win
);
}
static
gboolean
gnt_box_confirm_size
(
GntWidget
*
widget
,
int
width
,
int
height
)
{
GList
*
iter
;
GntBox
*
box
=
GNT_BOX
(
widget
);
int
wchange
,
hchange
;
GntWidget
*
child
,
*
last
;
if
(
!
box
->
list
)
return
TRUE
;
wchange
=
widget
->
priv
.
width
-
width
;
hchange
=
widget
->
priv
.
height
-
height
;
if
(
wchange
==
0
&&
hchange
==
0
)
return
TRUE
;
/* Quit playing games with my size */
child
=
NULL
;
last
=
g_object_get_data
(
G_OBJECT
(
box
),
PROP_LAST_RESIZE_S
);
/* First, make sure all the widgets will fit into the box after resizing. */
for
(
iter
=
box
->
list
;
iter
;
iter
=
iter
->
next
)
{
GntWidget
*
wid
=
iter
->
data
;
int
w
,
h
;
gnt_widget_get_size
(
wid
,
&
w
,
&
h
);
if
(
wid
!=
last
&&
!
child
&&
w
>
0
&&
h
>
0
&&
!
GNT_WIDGET_IS_FLAG_SET
(
wid
,
GNT_WIDGET_INVISIBLE
)
&&
gnt_widget_confirm_size
(
wid
,
w
-
wchange
,
h
-
hchange
))
{
child
=
wid
;
break
;
}
}
if
(
!
child
&&
(
child
=
last
))
{
int
w
,
h
;
gnt_widget_get_size
(
child
,
&
w
,
&
h
);
if
(
!
gnt_widget_confirm_size
(
child
,
w
-
wchange
,
h
-
hchange
))
child
=
NULL
;
}
g_object_set_data
(
G_OBJECT
(
box
),
PROP_SIZE_QUEUED_S
,
child
);
if
(
child
)
{
for
(
iter
=
box
->
list
;
iter
;
iter
=
iter
->
next
)
{
GntWidget
*
wid
=
iter
->
data
;
int
w
,
h
;
if
(
wid
==
child
)
continue
;
gnt_widget_get_size
(
wid
,
&
w
,
&
h
);
if
(
box
->
vertical
)
{
/* For a vertical box, if we are changing the width, make sure the widgets
* in the box will fit after resizing the width. */
if
(
wchange
>
0
&&
w
>=
child
->
priv
.
width
&&
!
gnt_widget_confirm_size
(
wid
,
w
-
wchange
,
h
))
return
FALSE
;
}
else
{
/* If we are changing the height, make sure the widgets in the box fit after
* the resize. */
if
(
hchange
>
0
&&
h
>=
child
->
priv
.
height
&&
!
gnt_widget_confirm_size
(
wid
,
w
,
h
-
hchange
))
return
FALSE
;
}
}
}
return
(
child
!=
NULL
);
}
static
void
gnt_box_size_changed
(
GntWidget
*
widget
,
int
oldw
,
int
oldh
)
{
int
wchange
,
hchange
;
GList
*
i
;
GntBox
*
box
=
GNT_BOX
(
widget
);
GntWidget
*
wid
;
int
tw
,
th
;
wchange
=
widget
->
priv
.
width
-
oldw
;
hchange
=
widget
->
priv
.
height
-
oldh
;
wid
=
g_object_get_data
(
G_OBJECT
(
box
),
PROP_SIZE_QUEUED_S
);
if
(
wid
)
{
gnt_widget_get_size
(
wid
,
&
tw
,
&
th
);
gnt_widget_set_size
(
wid
,
tw
+
wchange
,
th
+
hchange
);
g_object_set_data
(
G_OBJECT
(
box
),
PROP_SIZE_QUEUED_S
,
NULL
);
g_object_set_data
(
G_OBJECT
(
box
),
PROP_LAST_RESIZE_S
,
wid
);
}
if
(
box
->
vertical
)
hchange
=
0
;
else
wchange
=
0
;
for
(
i
=
box
->
list
;
i
;
i
=
i
->
next
)
{
if
(
wid
!=
i
->
data
)
{
gnt_widget_get_size
(
GNT_WIDGET
(
i
->
data
),
&
tw
,
&
th
);
gnt_widget_set_size
(
i
->
data
,
tw
+
wchange
,
th
+
hchange
);
}
}
reposition_children
(
widget
);
}
static
gboolean
gnt_box_clicked
(
GntWidget
*
widget
,
GntMouseEvent
event
,
int
cx
,
int
cy
)
{
GList
*
iter
;
for
(
iter
=
GNT_BOX
(
widget
)
->
list
;
iter
;
iter
=
iter
->
next
)
{
int
x
,
y
,
w
,
h
;
GntWidget
*
wid
=
iter
->
data
;
gnt_widget_get_position
(
wid
,
&
x
,
&
y
);
gnt_widget_get_size
(
wid
,
&
w
,
&
h
);
if
(
cx
>=
x
&&
cx
<
x
+
w
&&
cy
>=
y
&&
cy
<
y
+
h
)
{
if
(
event
<=
GNT_MIDDLE_MOUSE_DOWN
&&
GNT_WIDGET_IS_FLAG_SET
(
wid
,
GNT_WIDGET_CAN_TAKE_FOCUS
))
{
while
(
widget
->
parent
)
widget
=
widget
->
parent
;
gnt_box_give_focus_to_child
(
GNT_BOX
(
widget
),
wid
);
}
return
gnt_widget_clicked
(
wid
,
event
,
cx
,
cy
);
}
}
return
FALSE
;
}
static
void
gnt_box_set_property
(
GObject
*
obj
,
guint
prop_id
,
const
GValue
*
value
,
GParamSpec
*
spec
)
{
GntBox
*
box
=
GNT_BOX
(
obj
);
switch
(
prop_id
)
{
case
PROP_VERTICAL
:
box
->
vertical
=
g_value_get_boolean
(
value
);
break
;
case
PROP_HOMO
:
box
->
homogeneous
=
g_value_get_boolean
(
value
);
break
;
default
:
g_return_if_reached
();
break
;
}
}
static
void
gnt_box_get_property
(
GObject
*
obj
,
guint
prop_id
,
GValue
*
value
,
GParamSpec
*
spec
)
{
GntBox
*
box
=
GNT_BOX
(
obj
);
switch
(
prop_id
)
{
case
PROP_VERTICAL
:
g_value_set_boolean
(
value
,
box
->
vertical
);
break
;
case
PROP_HOMO
:
g_value_set_boolean
(
value
,
box
->
homogeneous
);
break
;
default
:
break
;
}
}
static
void
gnt_box_class_init
(
GntBoxClass
*
klass
)
{
GntBindableClass
*
bindable
=
GNT_BINDABLE_CLASS
(
klass
);
GObjectClass
*
gclass
=
G_OBJECT_CLASS
(
klass
);
parent_class
=
GNT_WIDGET_CLASS
(
klass
);
parent_class
->
destroy
=
gnt_box_destroy
;
parent_class
->
draw
=
gnt_box_draw
;
parent_class
->
expose
=
gnt_box_expose
;
parent_class
->
map
=
gnt_box_map
;
parent_class
->
size_request
=
gnt_box_size_request
;
parent_class
->
set_position
=
gnt_box_set_position
;
parent_class
->
key_pressed
=
gnt_box_key_pressed
;
parent_class
->
clicked
=
gnt_box_clicked
;
parent_class
->
lost_focus
=
gnt_box_lost_focus
;
parent_class
->
gained_focus
=
gnt_box_gained_focus
;
parent_class
->
confirm_size
=
gnt_box_confirm_size
;
parent_class
->
size_changed
=
gnt_box_size_changed
;
gclass
->
set_property
=
gnt_box_set_property
;
gclass
->
get_property
=
gnt_box_get_property
;
g_object_class_install_property
(
gclass
,
PROP_VERTICAL
,
g_param_spec_boolean
(
"vertical"
,
"Vertical"
,
"Whether the child widgets in the box should be stacked vertically."
,
TRUE
,
G_PARAM_READWRITE
|
G_PARAM_STATIC_NAME
|
G_PARAM_STATIC_NICK
|
G_PARAM_STATIC_BLURB
)
);
g_object_class_install_property
(
gclass
,
PROP_HOMO
,
g_param_spec_boolean
(
"homogeneous"
,
"Homogeneous"
,
"Whether the child widgets in the box should have the same size."
,
TRUE
,
G_PARAM_READWRITE
|
G_PARAM_STATIC_NAME
|
G_PARAM_STATIC_NICK
|
G_PARAM_STATIC_BLURB
)
);
gnt_bindable_class_register_action
(
bindable
,
"focus-next"
,
action_focus_next
,
"
\t
"
,
NULL
);
gnt_bindable_register_binding
(
bindable
,
"focus-next"
,
GNT_KEY_RIGHT
,
NULL
);
gnt_bindable_class_register_action
(
bindable
,
"focus-prev"
,
action_focus_prev
,
GNT_KEY_BACK_TAB
,
NULL
);
gnt_bindable_register_binding
(
bindable
,
"focus-prev"
,
GNT_KEY_LEFT
,
NULL
);
gnt_style_read_actions
(
G_OBJECT_CLASS_TYPE
(
klass
),
bindable
);
}
static
void
gnt_box_init
(
GTypeInstance
*
instance
,
gpointer
class
)
{
GntWidget
*
widget
=
GNT_WIDGET
(
instance
);
GntBox
*
box
=
GNT_BOX
(
widget
);
/* Initially make both the height and width resizable.
* Update the flags as necessary when widgets are added to it. */
GNT_WIDGET_SET_FLAGS
(
widget
,
GNT_WIDGET_GROW_X
|
GNT_WIDGET_GROW_Y
);
GNT_WIDGET_SET_FLAGS
(
widget
,
GNT_WIDGET_CAN_TAKE_FOCUS
|
GNT_WIDGET_DISABLE_ACTIONS
);
GNT_WIDGET_SET_FLAGS
(
widget
,
GNT_WIDGET_NO_BORDER
|
GNT_WIDGET_NO_SHADOW
);
box
->
pad
=
1
;
box
->
fill
=
TRUE
;
GNTDEBUG
;
}
/******************************************************************************
* GntBox API
*****************************************************************************/
GType
gnt_box_get_gtype
(
void
)
{
static
GType
type
=
0
;
if
(
type
==
0
)
{
static
const
GTypeInfo
info
=
{
sizeof
(
GntBoxClass
),
NULL
,
/* base_init */
NULL
,
/* base_finalize */
(
GClassInitFunc
)
gnt_box_class_init
,
NULL
,
/* class_finalize */
NULL
,
/* class_data */
sizeof
(
GntBox
),
0
,
/* n_preallocs */
gnt_box_init
,
/* instance_init */
NULL
/* value_table */
};
type
=
g_type_register_static
(
GNT_TYPE_WIDGET
,
"GntBox"
,
&
info
,
0
);
}
return
type
;
}
GntWidget
*
gnt_box_new
(
gboolean
homo
,
gboolean
vert
)
{
GntWidget
*
widget
=
g_object_new
(
GNT_TYPE_BOX
,
NULL
);
GntBox
*
box
=
GNT_BOX
(
widget
);
box
->
homogeneous
=
homo
;
box
->
vertical
=
vert
;
box
->
alignment
=
vert
?
GNT_ALIGN_LEFT
:
GNT_ALIGN_MID
;
return
widget
;
}
void
gnt_box_add_widget
(
GntBox
*
b
,
GntWidget
*
widget
)
{
b
->
list
=
g_list_append
(
b
->
list
,
widget
);
widget
->
parent
=
GNT_WIDGET
(
b
);
}
void
gnt_box_set_title
(
GntBox
*
b
,
const
char
*
title
)
{
char
*
prev
=
b
->
title
;
GntWidget
*
w
=
GNT_WIDGET
(
b
);
b
->
title
=
g_strdup
(
title
);
if
(
w
->
window
&&
!
GNT_WIDGET_IS_FLAG_SET
(
w
,
GNT_WIDGET_NO_BORDER
))
{
/* Erase the old title */
int
pos
,
right
;
get_title_thingies
(
b
,
prev
,
&
pos
,
&
right
);
mvwhline
(
w
->
window
,
0
,
pos
-
1
,
ACS_HLINE
|
gnt_color_pair
(
GNT_COLOR_NORMAL
),
right
-
pos
+
2
);
}
g_free
(
prev
);
}
void
gnt_box_set_pad
(
GntBox
*
box
,
int
pad
)
{
box
->
pad
=
pad
;
/* XXX: Perhaps redraw if already showing? */
}
void
gnt_box_set_toplevel
(
GntBox
*
box
,
gboolean
set
)
{
GntWidget
*
widget
=
GNT_WIDGET
(
box
);
if
(
set
)
{
GNT_WIDGET_UNSET_FLAGS
(
widget
,
GNT_WIDGET_NO_BORDER
|
GNT_WIDGET_NO_SHADOW
);
GNT_WIDGET_SET_FLAGS
(
widget
,
GNT_WIDGET_CAN_TAKE_FOCUS
);
}
else
{
GNT_WIDGET_SET_FLAGS
(
widget
,
GNT_WIDGET_NO_BORDER
|
GNT_WIDGET_NO_SHADOW
);
GNT_WIDGET_UNSET_FLAGS
(
widget
,
GNT_WIDGET_CAN_TAKE_FOCUS
);
}
}
void
gnt_box_sync_children
(
GntBox
*
box
)
{
GList
*
iter
;
GntWidget
*
widget
=
GNT_WIDGET
(
box
);
int
pos
=
1
;
if
(
GNT_WIDGET_IS_FLAG_SET
(
widget
,
GNT_WIDGET_NO_BORDER
))
pos
=
0
;
if
(
!
box
->
active
)
find_focusable_widget
(
box
);
for
(
iter
=
box
->
list
;
iter
;
iter
=
iter
->
next
)
{
GntWidget
*
w
=
GNT_WIDGET
(
iter
->
data
);
int
height
,
width
;
int
x
,
y
;
if
(
GNT_WIDGET_IS_FLAG_SET
(
w
,
GNT_WIDGET_INVISIBLE
))
continue
;
if
(
GNT_IS_BOX
(
w
))
gnt_box_sync_children
(
GNT_BOX
(
w
));
gnt_widget_get_size
(
w
,
&
width
,
&
height
);
x
=
w
->
priv
.
x
-
widget
->
priv
.
x
;
y
=
w
->
priv
.
y
-
widget
->
priv
.
y
;
if
(
box
->
vertical
)
{
x
=
pos
;
if
(
box
->
alignment
==
GNT_ALIGN_RIGHT
)
x
+=
widget
->
priv
.
width
-
width
;
else
if
(
box
->
alignment
==
GNT_ALIGN_MID
)
x
+=
(
widget
->
priv
.
width
-
width
)
/
2
;
if
(
x
+
width
>
widget
->
priv
.
width
-
pos
)
x
-=
x
+
width
-
(
widget
->
priv
.
width
-
pos
);
}
else
{
y
=
pos
;
if
(
box
->
alignment
==
GNT_ALIGN_BOTTOM
)
y
+=
widget
->
priv
.
height
-
height
;
else
if
(
box
->
alignment
==
GNT_ALIGN_MID
)
y
+=
(
widget
->
priv
.
height
-
height
)
/
2
;
if
(
y
+
height
>=
widget
->
priv
.
height
-
pos
)
y
=
widget
->
priv
.
height
-
height
-
pos
;
}
copywin
(
w
->
window
,
widget
->
window
,
0
,
0
,
y
,
x
,
y
+
height
-
1
,
x
+
width
-
1
,
FALSE
);
gnt_widget_set_position
(
w
,
x
+
widget
->
priv
.
x
,
y
+
widget
->
priv
.
y
);
if
(
w
==
box
->
active
)
{
wmove
(
widget
->
window
,
y
+
getcury
(
w
->
window
),
x
+
getcurx
(
w
->
window
));
}
}
}
void
gnt_box_set_alignment
(
GntBox
*
box
,
GntAlignment
alignment
)
{
box
->
alignment
=
alignment
;
}
void
gnt_box_remove
(
GntBox
*
box
,
GntWidget
*
widget
)
{
box
->
list
=
g_list_remove
(
box
->
list
,
widget
);
if
(
GNT_WIDGET_IS_FLAG_SET
(
widget
,
GNT_WIDGET_CAN_TAKE_FOCUS
)
&&
GNT_WIDGET
(
box
)
->
parent
==
NULL
&&
box
->
focus
)
{
if
(
widget
==
box
->
active
)
{
find_next_focus
(
box
);
if
(
box
->
active
==
widget
)
/* There's only one widget */
box
->
active
=
NULL
;
}
box
->
focus
=
g_list_remove
(
box
->
focus
,
widget
);
}
if
(
GNT_WIDGET_IS_FLAG_SET
(
GNT_WIDGET
(
box
),
GNT_WIDGET_MAPPED
))
gnt_widget_draw
(
GNT_WIDGET
(
box
));
}
void
gnt_box_remove_all
(
GntBox
*
box
)
{
g_list_foreach
(
box
->
list
,
(
GFunc
)
gnt_widget_destroy
,
NULL
);
g_list_free
(
box
->
list
);
g_list_free
(
box
->
focus
);
box
->
list
=
NULL
;
box
->
focus
=
NULL
;
GNT_WIDGET
(
box
)
->
priv
.
width
=
0
;
GNT_WIDGET
(
box
)
->
priv
.
height
=
0
;
}
void
gnt_box_readjust
(
GntBox
*
box
)
{
GList
*
iter
;
GntWidget
*
wid
;
int
width
,
height
;
if
(
GNT_WIDGET
(
box
)
->
parent
!=
NULL
)
return
;
for
(
iter
=
box
->
list
;
iter
;
iter
=
iter
->
next
)
{
GntWidget
*
w
=
iter
->
data
;
if
(
GNT_IS_BOX
(
w
))
gnt_box_readjust
(
GNT_BOX
(
w
));
else
{
GNT_WIDGET_UNSET_FLAGS
(
w
,
GNT_WIDGET_MAPPED
);
w
->
priv
.
width
=
0
;
w
->
priv
.
height
=
0
;
}
}
wid
=
GNT_WIDGET
(
box
);
GNT_WIDGET_UNSET_FLAGS
(
wid
,
GNT_WIDGET_MAPPED
);
wid
->
priv
.
width
=
0
;
wid
->
priv
.
height
=
0
;
if
(
wid
->
parent
==
NULL
)
{
g_list_free
(
box
->
focus
);
box
->
focus
=
NULL
;
box
->
active
=
NULL
;
gnt_widget_size_request
(
wid
);
gnt_widget_get_size
(
wid
,
&
width
,
&
height
);
gnt_screen_resize_widget
(
wid
,
width
,
height
);
find_focusable_widget
(
box
);
}
}
void
gnt_box_set_fill
(
GntBox
*
box
,
gboolean
fill
)
{
box
->
fill
=
fill
;
}
void
gnt_box_move_focus
(
GntBox
*
box
,
int
dir
)
{
GntWidget
*
now
;
if
(
box
->
active
==
NULL
)
{
find_focusable_widget
(
box
);
return
;
}
now
=
box
->
active
;
if
(
dir
==
1
)
find_next_focus
(
box
);
else
if
(
dir
==
-1
)
find_prev_focus
(
box
);
if
(
now
&&
now
!=
box
->
active
)
{
gnt_widget_set_focus
(
now
,
FALSE
);
gnt_widget_set_focus
(
box
->
active
,
TRUE
);
}
if
(
GNT_WIDGET
(
box
)
->
window
)
gnt_widget_draw
(
GNT_WIDGET
(
box
));
}
void
gnt_box_give_focus_to_child
(
GntBox
*
box
,
GntWidget
*
widget
)
{
GList
*
find
;
gpointer
now
;
while
(
GNT_WIDGET
(
box
)
->
parent
)
box
=
GNT_BOX
(
GNT_WIDGET
(
box
)
->
parent
);
find
=
g_list_find
(
box
->
focus
,
widget
);
now
=
box
->
active
;
if
(
find
)
box
->
active
=
widget
;
if
(
now
&&
now
!=
box
->
active
)
{
gnt_widget_set_focus
(
now
,
FALSE
);
gnt_widget_set_focus
(
box
->
active
,
TRUE
);
}
if
(
GNT_WIDGET
(
box
)
->
window
)
gnt_widget_draw
(
GNT_WIDGET
(
box
));
}