awesome/widgets/systray.c

122 lines
3.1 KiB
C

/*
* systray.c - systray widget
*
* Copyright © 2008-2009 Julien Danjou <julien@danjou.info>
*
* This program 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 02110-1301 USA.
*
*/
#include <xcb/xcb.h>
#include <xcb/xcb_atom.h>
#include "widget.h"
#include "screen.h"
#include "wibox.h"
#include "luaa.h"
#include "globalconf.h"
#include "common/xembed.h"
#include "common/atoms.h"
#define _NET_SYSTEM_TRAY_ORIENTATION_HORZ 0
#define _NET_SYSTEM_TRAY_ORIENTATION_VERT 1
typedef struct
{
/* systray height */
int height;
} systray_data_t;
static area_t
systray_extents(lua_State *L, widget_t *widget)
{
int screen = luaL_optnumber(L, -1, 1) - 1;
luaA_checkscreen(screen);
area_t geometry;
int phys_screen = screen_virttophys(screen), n = 0;
systray_data_t *d = widget->data;
for(int i = 0; i < globalconf.embedded.len; i++)
if(globalconf.embedded.tab[i].phys_screen == phys_screen)
n++;
/** \todo use class hints */
geometry.width = d->height * n;
geometry.height = d->height;
geometry.x = geometry.y = 0;
return geometry;
}
static void
systray_draw(widget_t *widget, draw_context_t *ctx,
area_t geometry, wibox_t *p)
{
uint32_t orient;
switch(p->position)
{
case Right:
case Left:
orient = _NET_SYSTEM_TRAY_ORIENTATION_VERT;
break;
default:
orient = _NET_SYSTEM_TRAY_ORIENTATION_HORZ;
break;
}
systray_data_t *d = widget->data;
if (p->orientation == East)
d->height = p->geometry.height;
else
d->height = p->geometry.width;
/* set wibox orientation */
/** \todo stop setting that property on each redraw */
xcb_change_property(globalconf.connection, XCB_PROP_MODE_REPLACE,
globalconf.screens.tab[p->ctx.phys_screen].systray.window,
_NET_SYSTEM_TRAY_ORIENTATION, XCB_ATOM_CARDINAL, 32, 1, &orient);
}
/** Delete a systray widget.
* \param w The widget to destroy.
*/
static void
systray_destructor(widget_t *w)
{
systray_data_t *d = w->data;
p_delete(&d);
}
/** Initialize a systray widget.
* \param w The widget to initialize.
* \return The same widget.
*/
widget_t *
widget_systray(widget_t *w)
{
w->draw = systray_draw;
w->extents = systray_extents;
w->destructor = systray_destructor;
systray_data_t *d = w->data = p_new(systray_data_t, 1);
d->height = 0;
return w;
}
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