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awesome/layout.c

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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.
*
*/
#include <X11/Xatom.h>
#include <X11/Xutil.h>
#include "screen.h"
#include "layout.h"
#include "tag.h"
#include "util.h"
#include "xutil.h"
#include "focus.h"
#include "statusbar.h"
#include "layouts/tile.h"
#include "layouts/max.h"
#include "layouts/fibonacci.h"
#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}
};
/** Find the index of the first currently selected tag
* \param screen the screen to search
* \return tag
*/
#warning this function is bugged and should be replaced
Tag *
get_current_tag(int screen)
{
Tag *tag;
for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
if(tag->selected)
return tag;
return NULL;
}
/** Arrange windows following current selected layout
* \param screen the screen to arrange
*/
void
arrange(int screen)
{
Client *c;
Tag *curtag = get_current_tag(screen);
for(c = globalconf.clients; c; c = c->next)
{
if(client_isvisible(c, screen))
client_unban(c);
/* we don't touch other screens windows */
else if(c->screen == screen)
client_ban(c);
}
curtag->layout->arrange(screen);
focus(focus_get_latest_client_for_tag(screen, curtag),
True, screen);
restack(screen);
}
Layout *
get_current_layout(int screen)
{
Tag *curtag;
if ((curtag = get_current_tag(screen)))
return curtag->layout;
return NULL;
}
/** Send focus to next client in stack
* \param screen Screen ID
* \param arg Unused
* \ingroup ui_callback
*/
void
uicb_client_focusnext(int screen, char *arg __attribute__ ((unused)))
{
Client *c, *sel = globalconf.focus->client;
if(!sel)
return;
for(c = sel->next; c && !client_isvisible(c, screen); c = c->next);
if(!c)
for(c = globalconf.clients; c && !client_isvisible(c, screen); c = c->next);
if(c)
{
focus(c, True, screen);
restack(screen);
}
}
/** Send focus to previous client in stack
* \param screen Screen ID
* \param arg Unused
* \ingroup ui_callback
*/
void
uicb_client_focusprev(int screen, char *arg __attribute__ ((unused)))
{
Client *c, *sel = globalconf.focus->client;
if(!sel)
return;
for(c = sel->prev; c && !client_isvisible(c, screen); c = c->prev);
if(!c)
{
for(c = globalconf.clients; c && c->next; c = c->next);
for(; c && !client_isvisible(c, screen); c = c->prev);
}
if(c)
{
focus(c, True, screen);
restack(screen);
}
}
void
loadawesomeprops(int screen)
{
int i, ntags = 0;
char *prop;
Tag *tag;
for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
ntags++;
prop = p_new(char, ntags + 1);
if(xgettextprop(globalconf.display,
RootWindow(globalconf.display, get_phys_screen(screen)),
AWESOMEPROPS_ATOM(globalconf.display), 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;
p_delete(&prop);
}
void
restack(int screen)
{
Client *c, *sel = globalconf.focus->client;
XEvent ev;
XWindowChanges wc;
statusbar_draw(screen);
if(!sel)
return;
if(globalconf.screens[screen].allow_lower_floats)
XRaiseWindow(globalconf.display, sel->win);
else
{
if(sel->isfloating ||
get_current_layout(screen)->arrange == layout_floating)
XRaiseWindow(sel->display, sel->win);
if(!(get_current_layout(screen)->arrange == layout_floating))
{
wc.stack_mode = Below;
wc.sibling = globalconf.screens[screen].statusbar->window;
if(!sel->isfloating)
{
XConfigureWindow(sel->display, sel->win, CWSibling | CWStackMode, &wc);
wc.sibling = sel->win;
}
for(c = globalconf.clients; c; c = c->next)
{
if(!IS_TILED(c, screen) || c == sel)
continue;
XConfigureWindow(globalconf.display, c->win, CWSibling | CWStackMode, &wc);
wc.sibling = c->win;
}
}
}
if(globalconf.screens[screen].focus_move_pointer)
XWarpPointer(globalconf.display, None, sel->win, 0, 0, 0, 0, sel->w / 2, sel->h / 2);
XSync(globalconf.display, False);
while(XCheckMaskEvent(globalconf.display, EnterWindowMask, &ev));
}
void
saveawesomeprops(int screen)
{
int i, ntags = 0;
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';
prop[i] = '\0';
XChangeProperty(globalconf.display,
RootWindow(globalconf.display, get_phys_screen(screen)),
AWESOMEPROPS_ATOM(globalconf.display), XA_STRING, 8,
PropModeReplace, (unsigned char *) prop, i);
p_delete(&prop);
}
/** Set layout for tag
* \param screen Screen ID
* \param arg Layout specifier
* \ingroup ui_callback
*/
void
uicb_tag_setlayout(int screen, char *arg)
{
Layout *l = globalconf.screens[screen].layouts;
Tag *tag;
int i;
if(arg)
{
for(i = 0; l && l != get_current_layout(screen); i++, l = l->next);
if(!l)
i = 0;
for(i = compute_new_value_from_arg(arg, (double) i),
l = globalconf.screens[screen].layouts; l && i > 0; i--)
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);
else
statusbar_draw(screen);
saveawesomeprops(screen);
}
static void
maximize(int x, int y, int w, int h, int screen)
{
Client *sel = globalconf.focus->client;
if(!sel)
return;
if((sel->ismax = !sel->ismax))
{
sel->wasfloating = sel->isfloating;
sel->isfloating = True;
client_resize(sel, x, y, w, h, True, !sel->isfloating);
}
else if(sel->wasfloating)
client_resize(sel, sel->rx, sel->ry, sel->rw, sel->rh, True, False);
else
sel->isfloating = False;
arrange(screen);
}
/** Toggle maximize for client
* \param screen Screen ID
* \param arg Unused
* \ingroup ui_callback
*/
void
uicb_client_togglemax(int screen, char *arg __attribute__ ((unused)))
{
Area area = get_screen_area(screen,
globalconf.screens[screen].statusbar,
&globalconf.screens[screen].padding);
maximize(area.x, area.y,
area.width - 2 * globalconf.screens[screen].borderpx,
area.height - 2 * globalconf.screens[screen].borderpx,
screen);
}
/** Toggle vertical maximize for client
* \param screen Screen ID
* \param arg Unused
* \ingroup ui_callback
*/
void
uicb_client_toggleverticalmax(int screen, char *arg __attribute__ ((unused)))
{
Client *sel = globalconf.focus->client;
Area area = get_screen_area(screen,
globalconf.screens[screen].statusbar,
&globalconf.screens[screen].padding);
if(sel)
maximize(sel->x,
area.y,
sel->w,
area.height - 2 * globalconf.screens[screen].borderpx,
screen);
}
/** Toggle horizontal maximize for client
* \param screen Screen ID
* \param arg Unused
* \ingroup ui_callback
*/
void
uicb_client_togglehorizontalmax(int screen, char *arg __attribute__ ((unused)))
{
Client *sel = globalconf.focus->client;
Area area = get_screen_area(screen,
globalconf.screens[screen].statusbar,
&globalconf.screens[screen].padding);
if(sel)
maximize(area.x,
sel->y,
area.height - 2 * globalconf.screens[screen].borderpx,
sel->h,
screen);
}
/** Zoom client
* \param screen Screen ID
* \param arg Unused
* \ingroup ui_callback
*/
void
uicb_client_zoom(int screen, char *arg __attribute__ ((unused)))
{
Client *sel = globalconf.focus->client;
if(globalconf.clients == sel)
for(sel = sel->next; sel && !client_isvisible(sel, screen); sel = sel->next);
if(!sel)
return;
client_detach(sel);
client_attach(sel);
focus(sel, True, screen);
arrange(screen);
}
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
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