awesome/layout.c

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/*
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* layout.c - layout management
*
* Copyright © 2007 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.
*
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*/
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#include <X11/Xatom.h>
#include <X11/Xutil.h>
#include "tag.h"
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#include "util.h"
#include "xutil.h"
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#include "focus.h"
#include "statusbar.h"
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#include "ewmh.h"
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#include "client.h"
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#include "screen.h"
#include "layouts/tile.h"
#include "layouts/max.h"
#include "layouts/fibonacci.h"
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#include "layouts/floating.h"
extern AwesomeConf globalconf;
const NameFuncLink LayoutsList[] =
{
{"tile", layout_tile},
{"tileleft", layout_tileleft},
{"max", layout_max},
{"spiral", layout_spiral},
{"dwindle", layout_dwindle},
{"floating", layout_floating},
{NULL, NULL}
};
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/** Arrange windows following current selected layout
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* \param screen the screen to arrange
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*/
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void
arrange(int screen)
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{
Client *c;
Tag **curtags = get_current_tags(screen);
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for(c = globalconf.clients; c; c = c->next)
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{
if(client_isvisible(c, screen))
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client_unban(c);
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/* we don't touch other screens windows */
else if(c->screen == screen)
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client_ban(c);
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}
curtags[0]->layout->arrange(screen);
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focus(focus_get_current_client(screen), True, screen);
p_delete(&curtags);
restack(screen);
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}
Layout *
get_current_layout(int screen)
{
Tag **curtags = get_current_tags(screen);
Layout *l = curtags[0]->layout;
p_delete(&curtags);
return l;
}
/** Send focus to next client in stack
* \param screen Screen ID
* \param arg Unused
* \ingroup ui_callback
*/
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void
uicb_client_focusnext(int screen, char *arg __attribute__ ((unused)))
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{
Client *c, *sel = globalconf.focus->client;
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if(!sel)
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return;
for(c = sel->next; c && (c->skip || !client_isvisible(c, screen)); c = c->next);
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if(!c)
for(c = globalconf.clients; c && (c->skip || !client_isvisible(c, screen)); c = c->next);
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if(c)
{
focus(c, True, screen);
restack(screen);
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}
}
/** Send focus to previous client in stack
* \param screen Screen ID
* \param arg Unused
* \ingroup ui_callback
*/
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void
uicb_client_focusprev(int screen, char *arg __attribute__ ((unused)))
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{
Client *c, *sel = globalconf.focus->client;
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if(!sel)
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return;
for(c = sel->prev; c && (c->skip || !client_isvisible(c, screen)); c = c->prev);
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if(!c)
{
for(c = globalconf.clients; c && c->next; c = c->next);
for(; c && (c->skip || !client_isvisible(c, screen)); c = c->prev);
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}
if(c)
{
focus(c, True, screen);
restack(screen);
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}
}
void
loadawesomeprops(int screen)
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{
int i, ntags = 0;
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char *prop;
Tag *tag;
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for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
ntags++;
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prop = p_new(char, ntags + 1);
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if(xgettextprop(RootWindow(globalconf.display, get_phys_screen(screen)),
XInternAtom(globalconf.display, "_AWESOME_PROPERTIES", False),
prop, ntags + 1))
for(i = 0, tag = globalconf.screens[screen].tags; tag && prop[i]; i++, tag = tag->next)
if(prop[i] == '1')
tag->selected = True;
else
tag->selected = False;
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p_delete(&prop);
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ewmh_update_net_current_desktop(get_phys_screen(screen));
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}
void
restack(int screen)
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{
Client *c, *sel = globalconf.focus->client;
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XEvent ev;
XWindowChanges wc;
Tag **curtags;
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statusbar_draw_all(screen);
if(!sel)
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return;
if(globalconf.screens[screen].allow_lower_floats)
XRaiseWindow(globalconf.display, sel->win);
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else
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{
curtags = get_current_tags(screen);
if(sel->isfloating ||
curtags[0]->layout->arrange == layout_floating)
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XRaiseWindow(globalconf.display, sel->win);
if(!(curtags[0]->layout->arrange == layout_floating))
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{
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wc.stack_mode = Below;
if(!sel->isfloating)
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XConfigureWindow(globalconf.display, sel->win, CWStackMode, &wc);
for(c = globalconf.clients; c; c = c->next)
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{
if(!IS_TILED(c, screen) || c == sel)
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continue;
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XConfigureWindow(globalconf.display, c->win, CWStackMode, &wc);
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}
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}
p_delete(&curtags);
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}
if(globalconf.screens[screen].focus_move_pointer)
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XWarpPointer(globalconf.display, None, sel->win, 0, 0, 0, 0,
sel->geometry.width / 2, sel->geometry.height / 2);
XSync(globalconf.display, False);
while(XCheckMaskEvent(globalconf.display, EnterWindowMask, &ev));
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}
void
saveawesomeprops(int screen)
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{
int i, ntags = 0;
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char *prop;
Tag *tag;
for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
ntags++;
prop = p_new(char, ntags + 1);
for(i = 0, tag = globalconf.screens[screen].tags; tag; tag = tag->next, i++)
prop[i] = tag->selected ? '1' : '0';
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prop[i] = '\0';
XChangeProperty(globalconf.display,
RootWindow(globalconf.display, get_phys_screen(screen)),
XInternAtom(globalconf.display, "_AWESOME_PROPERTIES", False),
XA_STRING, 8, PropModeReplace, (unsigned char *) prop, i);
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p_delete(&prop);
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}
/** Set layout for tag
* \param screen Screen ID
* \param arg Layout specifier
* \ingroup ui_callback
*/
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void
uicb_tag_setlayout(int screen, char *arg)
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{
Layout *l = globalconf.screens[screen].layouts;
Tag *tag, **curtags;
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int i;
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if(arg)
{
curtags = get_current_tags(screen);
for(i = 0; l && l != curtags[0]->layout; i++, l = l->next);
p_delete(&curtags);
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if(!l)
i = 0;
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for(i = compute_new_value_from_arg(arg, (double) i),
l = globalconf.screens[screen].layouts; l && i > 0; i--)
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l = l->next;
if(!l)
l = globalconf.screens[screen].layouts;
}
for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
if(tag->selected)
tag->layout = l;
if(globalconf.focus->client)
arrange(screen);
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else
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statusbar_draw_all(screen);
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saveawesomeprops(screen);
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}
/** Toggle floating state of a client
* \param screen Screen ID
* \param arg unused
* \ingroup ui_callback
*/
void
uicb_client_togglefloating(int screen, char *arg)
{
Client *sel = globalconf.focus->client;
if(!sel)
return;
if((sel->isfloating = !sel->isfloating))
{
if(!arg)
client_resize(sel, sel->f_geometry, False);
}
else if(sel->ismax)
client_resize(sel, sel->m_geometry, False);
client_saveprops(sel);
arrange(screen);
}
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80