xlistbox.h File Reference

Go to the source code of this file.

Functions
void	listbox_set_active_entry (Widget_t *w, int active)
	listbox_set_active_entry - set the active listbox entry
Widget_t *	create_listbox_viewport (Widget_t *parent, int elem, int width, int height)
	create_listbox_viewport - create a viewport on a listbox to a Widget_t
Widget_t *	add_listbox (Widget_t *parent, const char *label, int x, int y, int width, int height)
	add_label - add a listbox to a Widget_t
Widget_t *	listbox_add_entry (Widget_t *listbox, const char *label)
	listbox_add_entry - add a item to listbox

Function Documentation

add_listbox()

Widget_t * add_listbox	(	Widget_t *	parent,
		const char *	label,
		int	x,
		int	y,
		int	width,
		int	height
	)

add_label - add a listbox to a Widget_t

Parameters

*parent	- pointer to the Widget_t request the label
*label	- Label to show on the button
x,y,width,height	- the position/geometry to create the label

Returns

Widget_t* - pointer to the Widget_t label struct

Definition at line 46 of file xlistbox.c.

                                                     {
 
    Widget_t *wid = create_widget(parent->app, parent, x, y, width, height);
    wid->label = label;
    wid->scale.gravity = CENTER;
    wid->func.expose_callback = _draw_listbox;
    int elem = height/25;
    wid->adj_y = add_adjustment(wid,0.0, 0.0, 0.0, -1.0,1.0, CL_NONE);
    wid->adj = wid->adj_y;
    create_listbox_viewport(wid, elem, width, height);
    return wid;
}

References _draw_listbox(), add_adjustment(), Widget_t::adj, Widget_t::adj_y, Widget_t::app, CENTER, CL_NONE, create_listbox_viewport(), create_widget(), Func_t::expose_callback, Widget_t::func, Resize_t::gravity, Widget_t::label, and Widget_t::scale.

create_listbox_viewport()

Widget_t * create_listbox_viewport	(	Widget_t *	parent,
		int	elem,
		int	width,
		int	height
	)

create_listbox_viewport - create a viewport on a listbox to a Widget_t

Parameters

*parent	- pointer to the Widget_t the listbox should pop over
elem	- how many entries to show (max value)
width	- define the width of the viewport
height	- define the height of the viewport

Returns

Widget_t* - pointer to the Widget_t viewport

Definition at line 33 of file xlistbox.c.

                                                                                     {
    Widget_t *wid = create_widget(parent->app, parent, 0, 0, width, height);
    wid->scale.gravity = NORTHEAST;
    float max_value = -elem ;
    wid->adj_y = add_adjustment(wid,0.0, 0.0, 0.0, max_value,1.0, CL_VIEWPORT);
    wid->adj = wid->adj_y;
    wid->func.adj_callback = _set_listbox_viewpoint;
    wid->func.expose_callback = _draw_listbox_viewslider;
    wid->func.configure_notify_callback = _reconfigure_listbox_viewport;
    wid->func.map_notify_callback = _configure_listbox;
    return wid;
}

References _configure_listbox(), _draw_listbox_viewslider(), _reconfigure_listbox_viewport(), _set_listbox_viewpoint(), add_adjustment(), Widget_t::adj, Func_t::adj_callback, Widget_t::adj_y, Widget_t::app, CL_VIEWPORT, Func_t::configure_notify_callback, create_widget(), Func_t::expose_callback, Widget_t::func, Resize_t::gravity, Func_t::map_notify_callback, NORTHEAST, and Widget_t::scale.

Referenced by add_listbox().

listbox_add_entry()

Widget_t * listbox_add_entry	(	Widget_t *	listbox,
		const char *	label
	)

listbox_add_entry - add a item to listbox

Parameters

*listbox	- pointer to the Widget_t listbox
*label	- Label to show on the listbox

Returns

Widget_t* - pointer to the Widget_t listbox_item struct

Definition at line 60 of file xlistbox.c.

                                                                   {
    Widget_t* view_port =  listbox->childlist->childs[0];
    int width = listbox->scale.init_width;
    int si = childlist_has_child(view_port->childlist);
    Widget_t *wid = create_widget(listbox->app, view_port, 0, 25*si, width, 25);
    float max_value = view_port->adj->max_value+1.0;
    set_adjustment(view_port->adj,0.0, 0.0, 0.0, max_value,1.0, CL_VIEWPORT);
    max_value = listbox->adj->max_value+1.0;
    set_adjustment(listbox->adj,0.0, 0.0, 0.0, max_value,1.0, CL_NONE);
    wid->flags &= ~USE_TRANSPARENCY | ~HAS_TOOLTIP;
    wid->scale.gravity = MENUITEM;
    wid->label = label;
    wid->func.expose_callback = _draw_listbox_item;
    wid->func.enter_callback = os_transparent_draw;
    wid->func.leave_callback = os_transparent_draw;
    wid->func.button_release_callback = _listbox_entry_released;
    return wid;
}

References _draw_listbox_item(), _listbox_entry_released(), Widget_t::adj, Widget_t::app, Func_t::button_release_callback, Widget_t::childlist, childlist_has_child(), Childlist_t::childs, CL_NONE, CL_VIEWPORT, create_widget(), Func_t::enter_callback, Func_t::expose_callback, Widget_t::flags, Widget_t::func, Resize_t::gravity, Resize_t::init_width, Widget_t::label, Func_t::leave_callback, Adjustment_t::max_value, MENUITEM, os_transparent_draw(), Widget_t::scale, and set_adjustment().

listbox_set_active_entry()

void listbox_set_active_entry	(	Widget_t *	w,
		int	active
	)

listbox_set_active_entry - set the active listbox entry

Parameters

*w	- void pointer to the Widget_t listbox
active	- the active entry (int)

Definition at line 26 of file xlistbox.c.

                                                       {
    float value = (float)active;
    if (value>w->adj->max_value) value = w->adj->max_value;
    else if (value<w->adj->min_value) value = w->adj->min_value;
    adj_set_value(w->adj, value);
}

References Widget_t::adj, adj_set_value(), Adjustment_t::max_value, and Adjustment_t::min_value.