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awesome/statusbar.c

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/*
* statusbar.c - statusbar functions
*
* Copyright © 2007-2008 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 "client.h"
#include "statusbar.h"
#include "screen.h"
#include "widget.h"
#include "wibox.h"
#include "ewmh.h"
extern awesome_t globalconf;
/** Kick out systray windows.
* \param phys_screen Physical screen number.
*/
static void
statusbar_systray_kickout(int phys_screen)
{
xcb_screen_t *s = xutil_screen_get(globalconf.connection, phys_screen);
/* Who! Check that we're not deleting a statusbar with a systray, because it
* may be its parent. If so, we reparent to root before, otherwise it will
* hurt very much. */
xcb_reparent_window(globalconf.connection,
globalconf.screens[phys_screen].systray.window,
s->root, -512, -512);
globalconf.screens[phys_screen].systray.parent = s->root;
}
static void
statusbar_systray_refresh(wibox_t *statusbar)
{
widget_node_t *systray;
if(statusbar->screen == SCREEN_UNDEF)
return;
for(systray = statusbar->widgets; systray; systray = systray->next)
if(systray->widget->type == systray_new)
{
uint32_t config_back[] = { statusbar->colors.bg.pixel };
uint32_t config_win_vals[4];
uint32_t config_win_vals_off[2] = { -512, -512 };
xembed_window_t *em;
position_t pos;
int phys_screen = statusbar->sw.ctx.phys_screen;
if(statusbar->isvisible
&& systray->widget->isvisible
&& systray->area.width)
{
pos = statusbar->position;
/* Set background of the systray window. */
xcb_change_window_attributes(globalconf.connection,
globalconf.screens[phys_screen].systray.window,
XCB_CW_BACK_PIXEL, config_back);
/* Map it. */
xcb_map_window(globalconf.connection, globalconf.screens[phys_screen].systray.window);
/* Move it. */
switch(statusbar->position)
{
case Left:
config_win_vals[0] = systray->area.y;
config_win_vals[1] = statusbar->sw.geometry.height - systray->area.x - systray->area.width;
config_win_vals[2] = systray->area.height;
config_win_vals[3] = systray->area.width;
break;
case Right:
config_win_vals[0] = systray->area.y;
config_win_vals[1] = systray->area.x;
config_win_vals[2] = systray->area.height;
config_win_vals[3] = systray->area.width;
break;
default:
config_win_vals[0] = systray->area.x;
config_win_vals[1] = systray->area.y;
config_win_vals[2] = systray->area.width;
config_win_vals[3] = systray->area.height;
break;
}
/* reparent */
if(globalconf.screens[phys_screen].systray.parent != statusbar->sw.window)
{
xcb_reparent_window(globalconf.connection,
globalconf.screens[phys_screen].systray.window,
statusbar->sw.window,
config_win_vals[0], config_win_vals[1]);
globalconf.screens[phys_screen].systray.parent = statusbar->sw.window;
}
xcb_configure_window(globalconf.connection,
globalconf.screens[phys_screen].systray.window,
XCB_CONFIG_WINDOW_X
| XCB_CONFIG_WINDOW_Y
| XCB_CONFIG_WINDOW_WIDTH
| XCB_CONFIG_WINDOW_HEIGHT,
config_win_vals);
/* width = height = systray height */
config_win_vals[2] = config_win_vals[3] = systray->area.height;
config_win_vals[0] = 0;
}
else
{
xcb_unmap_window(globalconf.connection, globalconf.screens[phys_screen].systray.window);
statusbar_systray_kickout(phys_screen);
break;
}
switch(pos)
{
case Left:
config_win_vals[1] = systray->area.width - config_win_vals[3];
for(em = globalconf.embedded; em; em = em->next)
if(em->phys_screen == phys_screen)
{
if(config_win_vals[1] - config_win_vals[2] >= (uint32_t) statusbar->sw.geometry.y)
{
xcb_map_window(globalconf.connection, em->win);
xcb_configure_window(globalconf.connection, em->win,
XCB_CONFIG_WINDOW_X
| XCB_CONFIG_WINDOW_Y
| XCB_CONFIG_WINDOW_WIDTH
| XCB_CONFIG_WINDOW_HEIGHT,
config_win_vals);
config_win_vals[1] -= config_win_vals[3];
}
else
xcb_configure_window(globalconf.connection, em->win,
XCB_CONFIG_WINDOW_X
| XCB_CONFIG_WINDOW_Y,
config_win_vals_off);
}
break;
case Right:
config_win_vals[1] = 0;
for(em = globalconf.embedded; em; em = em->next)
if(em->phys_screen == phys_screen)
{
if(config_win_vals[1] + config_win_vals[3] <= (uint32_t) statusbar->sw.geometry.y + statusbar->sw.geometry.width)
{
xcb_map_window(globalconf.connection, em->win);
xcb_configure_window(globalconf.connection, em->win,
XCB_CONFIG_WINDOW_X
| XCB_CONFIG_WINDOW_Y
| XCB_CONFIG_WINDOW_WIDTH
| XCB_CONFIG_WINDOW_HEIGHT,
config_win_vals);
config_win_vals[1] += config_win_vals[3];
}
else
xcb_configure_window(globalconf.connection, em->win,
XCB_CONFIG_WINDOW_X
| XCB_CONFIG_WINDOW_Y,
config_win_vals_off);
}
break;
case Top:
case Bottom:
config_win_vals[1] = 0;
for(em = globalconf.embedded; em; em = em->next)
if(em->phys_screen == phys_screen)
{
/* if(x + width < systray.x + systray.width) */
if(config_win_vals[0] + config_win_vals[2] <= (uint32_t) AREA_RIGHT(systray->area) + statusbar->sw.geometry.x)
{
xcb_map_window(globalconf.connection, em->win);
xcb_configure_window(globalconf.connection, em->win,
XCB_CONFIG_WINDOW_X
| XCB_CONFIG_WINDOW_Y
| XCB_CONFIG_WINDOW_WIDTH
| XCB_CONFIG_WINDOW_HEIGHT,
config_win_vals);
config_win_vals[0] += config_win_vals[2];
}
else
xcb_configure_window(globalconf.connection, em->win,
XCB_CONFIG_WINDOW_X
| XCB_CONFIG_WINDOW_Y,
config_win_vals_off);
}
break;
}
break;
}
}
/** Draw a statusbar.
* \param statusbar The statusbar to draw.
*/
static void
statusbar_draw(wibox_t *statusbar)
{
statusbar->need_update = false;
if(statusbar->isvisible)
{
widget_render(statusbar->widgets, &statusbar->sw.ctx, statusbar->sw.gc,
statusbar->sw.pixmap,
statusbar->screen, statusbar->position,
statusbar->sw.geometry.x, statusbar->sw.geometry.y,
statusbar);
simplewindow_refresh_pixmap(&statusbar->sw);
}
statusbar_systray_refresh(statusbar);
}
/** Get a statusbar by its window.
* \param w The window id.
* \return A statusbar if found, NULL otherwise.
*/
wibox_t *
statusbar_getbywin(xcb_window_t w)
{
for(int screen = 0; screen < globalconf.nscreen; screen++)
for(int i = 0; i < globalconf.screens[screen].statusbars.len; i++)
{
wibox_t *s = globalconf.screens[screen].statusbars.tab[i];
if(s->sw.window == w)
return s;
}
return NULL;
}
/** Statusbar refresh function.
*/
void
statusbar_refresh(void)
{
for(int screen = 0; screen < globalconf.nscreen; screen++)
for(int i = 0; i < globalconf.screens[screen].statusbars.len; i++)
{
wibox_t *s = globalconf.screens[screen].statusbars.tab[i];
if(s->need_update)
statusbar_draw(s);
}
}
/** Update the statusbar position. It deletes every statusbar resources and
* create them back.
* \param statusbar The statusbar.
*/
void
statusbar_position_update(wibox_t *statusbar)
{
area_t area;
bool ignore = false;
globalconf.screens[statusbar->screen].need_arrange = true;
if(!statusbar->isvisible)
{
xcb_unmap_window(globalconf.connection, statusbar->sw.window);
/* kick out systray if needed */
statusbar_systray_refresh(statusbar);
return;
}
area = screen_area_get(statusbar->screen, NULL,
&globalconf.screens[statusbar->screen].padding, true);
/* Top and Bottom wibox_t have prio */
for(int i = 0; i < globalconf.screens[statusbar->screen].statusbars.len; i++)
{
wibox_t *sb = globalconf.screens[statusbar->screen].statusbars.tab[i];
/* Ignore every statusbar after me that is in the same position */
if(statusbar == sb)
{
ignore = true;
continue;
}
else if(ignore && statusbar->position == sb->position)
continue;
switch(sb->position)
{
case Left:
switch(statusbar->position)
{
case Left:
area.x += statusbar->geometry.height;
break;
default:
break;
}
break;
case Right:
switch(statusbar->position)
{
case Right:
area.x -= statusbar->geometry.height;
break;
default:
break;
}
break;
case Top:
switch(statusbar->position)
{
case Top:
area.y += sb->geometry.height;
break;
case Left:
case Right:
area.height -= sb->geometry.height;
area.y += sb->geometry.height;
break;
default:
break;
}
break;
case Bottom:
switch(statusbar->position)
{
case Bottom:
area.y -= sb->geometry.height;
break;
case Left:
case Right:
area.height -= sb->geometry.height;
break;
default:
break;
}
break;
}
}
switch(statusbar->position)
{
case Right:
statusbar->geometry.height = area.height;
statusbar->geometry.width = 1.5 * globalconf.font->height;
switch(statusbar->align)
{
default:
statusbar->geometry.x = area.x + area.width - statusbar->geometry.width;
statusbar->geometry.y = area.y;
break;
case AlignRight:
statusbar->geometry.x = area.x + area.width - statusbar->geometry.width;
statusbar->geometry.y = area.y + area.height - statusbar->geometry.height;
break;
case AlignCenter:
statusbar->geometry.x = area.x + area.width - statusbar->geometry.width;
statusbar->geometry.y = (area.y + area.height - statusbar->geometry.height) / 2;
break;
}
break;
case Left:
statusbar->geometry.height = area.height;
statusbar->geometry.width = 1.5 * globalconf.font->height;
switch(statusbar->align)
{
default:
statusbar->geometry.x = area.x;
statusbar->geometry.y = (area.y + area.height) - statusbar->geometry.height;
break;
case AlignRight:
statusbar->geometry.x = area.x;
statusbar->geometry.y = area.y;
break;
case AlignCenter:
statusbar->geometry.x = area.x;
statusbar->geometry.y = (area.y + area.height - statusbar->geometry.height) / 2;
}
break;
case Bottom:
statusbar->geometry.width = area.width;
statusbar->geometry.height = 1.5 * globalconf.font->height;
switch(statusbar->align)
{
default:
statusbar->geometry.x = area.x;
statusbar->geometry.y = (area.y + area.height) - statusbar->geometry.height;
break;
case AlignRight:
statusbar->geometry.x = area.x + area.width - statusbar->geometry.width;
statusbar->geometry.y = (area.y + area.height) - statusbar->geometry.height;
break;
case AlignCenter:
statusbar->geometry.x = area.x + (area.width - statusbar->geometry.width) / 2;
statusbar->geometry.y = (area.y + area.height) - statusbar->geometry.height;
break;
}
break;
default:
statusbar->geometry.width = area.width;
statusbar->geometry.height = 1.5 * globalconf.font->height;
switch(statusbar->align)
{
default:
statusbar->geometry.x = area.x;
statusbar->geometry.y = area.y;
break;
case AlignRight:
statusbar->geometry.x = area.x + area.width - statusbar->geometry.width;
statusbar->geometry.y = area.y;
break;
case AlignCenter:
statusbar->geometry.x = area.x + (area.width - statusbar->geometry.width) / 2;
statusbar->geometry.y = area.y;
break;
}
break;
}
if(!statusbar->sw.window)
{
int phys_screen = screen_virttophys(statusbar->screen);
simplewindow_init(&statusbar->sw, phys_screen,
statusbar->geometry.x, statusbar->geometry.y,
statusbar->geometry.width, statusbar->geometry.height,
0, statusbar->position,
&statusbar->colors.fg, &statusbar->colors.bg);
statusbar->need_update = true;
}
/* same window size and position ? */
else
{
if(statusbar->geometry.width != statusbar->sw.geometry.width
|| statusbar->geometry.height != statusbar->sw.geometry.height)
{
simplewindow_resize(&statusbar->sw, statusbar->geometry.width, statusbar->geometry.height);
statusbar->need_update = true;
}
if(statusbar->geometry.x != statusbar->sw.geometry.x
|| statusbar->geometry.y != statusbar->sw.geometry.y)
simplewindow_move(&statusbar->sw, statusbar->geometry.x, statusbar->geometry.y);
}
xcb_map_window(globalconf.connection, statusbar->sw.window);
}
/** Create a new statusbar (DEPRECATED).
* \param L The Lua VM state.
*
* \luastack
* \lparam A table with optionaly defined values:
* position, align, fg, bg, width and height.
* \lreturn A brand new statusbar.
*/
static int
luaA_statusbar_new(lua_State *L)
{
deprecate();
return luaA_wibox_new(L);
}
/** Remove a statubar from a screen.
* \param statusbar Statusbar to detach from screen.
*/
void
statusbar_detach(wibox_t *statusbar)
{
if(statusbar->screen != SCREEN_UNDEF)
{
bool v;
/* save visible state */
v = statusbar->isvisible;
statusbar->isvisible = false;
statusbar_position_update(statusbar);
/* restore position */
statusbar->isvisible = v;
simplewindow_wipe(&statusbar->sw);
for(int i = 0; i < globalconf.screens[statusbar->screen].statusbars.len; i++)
if(globalconf.screens[statusbar->screen].statusbars.tab[i] == statusbar)
{
wibox_array_take(&globalconf.screens[statusbar->screen].statusbars, i);
break;
}
globalconf.screens[statusbar->screen].need_arrange = true;
statusbar->screen = SCREEN_UNDEF;
statusbar->type = WIBOX_TYPE_NONE;
wibox_unref(&statusbar);
}
}
/** Attach a statusbar.
* \param statusbar The statusbar to attach.
* \param s The screen to attach the statusbar to.
*/
void
statusbar_attach(wibox_t *statusbar, screen_t *s)
{
statusbar_detach(statusbar);
statusbar->screen = s->index;
wibox_array_append(&s->statusbars, wibox_ref(&statusbar));
statusbar->type = WIBOX_TYPE_STATUSBAR;
/* All the other statusbar and ourselves need to be repositioned */
for(int i = 0; i < s->statusbars.len; i++)
statusbar_position_update(s->statusbars.tab[i]);
ewmh_update_workarea(screen_virttophys(s->index));
}
/** Statusbar newindex.
* \param L The Lua VM state.
* \param statusbar The wibox statusbar.
* \param tok The token for property.
* \return The number of elements pushed on stack.
*/
int
luaA_statusbar_newindex(lua_State *L, wibox_t *statusbar, awesome_token_t tok)
{
size_t len;
const char *buf;
position_t p;
switch(tok)
{
case A_TK_ALIGN:
buf = luaL_checklstring(L, 3, &len);
statusbar->align = draw_align_fromstr(buf, len);
statusbar_position_update(statusbar);
break;
case A_TK_POSITION:
buf = luaL_checklstring(L, 3, &len);
p = position_fromstr(buf, len);
if(p != statusbar->position)
{
statusbar->position = p;
simplewindow_wipe(&statusbar->sw);
statusbar->sw.window = 0;
if(statusbar->screen != SCREEN_UNDEF)
{
for(int i = 0; i < globalconf.screens[statusbar->screen].statusbars.len; i++)
{
wibox_t *s = globalconf.screens[statusbar->screen].statusbars.tab[i];
statusbar_position_update(s);
}
ewmh_update_workarea(screen_virttophys(statusbar->screen));
}
}
break;
default:
return 0;
}
return 0;
}
const struct luaL_reg awesome_statusbar_methods[] =
{
{ "__call", luaA_statusbar_new },
{ NULL, NULL }
};
const struct luaL_reg awesome_statusbar_meta[] =
{
{ NULL, NULL },
};
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
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