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"
#include "xutil.h"
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#include "focus.h"
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#include "widget.h"
#include "window.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;
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#include "layoutgen.h"
static void
layout_raise_floatings(int screen)
{
Client *c;
for(c = globalconf.clients; c; c = c->next)
if(c->isfloating && client_isvisible(c, screen))
XRaiseWindow(globalconf.display, c->win);
}
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/** Arrange windows following current selected layout
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* \param screen the screen to arrange
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*/
static void
arrange(int screen)
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{
Client *c;
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Layout *curlay = get_current_layout(screen);
unsigned int dui;
int di, x, y;
Window rootwin, childwin;
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for(c = globalconf.clients; c; c = c->next)
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{
if(client_isvisible(c, screen) && !c->newcomer)
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client_unban(c);
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/* we don't touch other screens windows */
else if(c->screen == screen || c->newcomer)
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client_ban(c);
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}
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curlay->arrange(screen);
for(c = globalconf.clients; c; c = c->next)
if(c->newcomer && client_isvisible(c, screen))
{
c->newcomer = False;
client_unban(c);
if(globalconf.screens[screen].new_get_focus)
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client_focus(c, screen, False);
}
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layout_raise_floatings(screen);
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/* if we have a valid client that could be focused but currently no window
* are focused, then set the focus on this window */
if((c = focus_get_current_client(screen)) && !globalconf.focus->client)
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client_focus(c, screen, False);
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/* check that the mouse is on a window or not */
if(XQueryPointer(globalconf.display, RootWindow(globalconf.display,
get_phys_screen(screen)),
&rootwin, &childwin, &x, &y, &di, &di, &dui)
&& (rootwin == None || childwin == None || childwin == rootwin))
window_root_grabbuttons(screen);
/* reset status */
globalconf.screens[screen].need_arrange = False;
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}
int
layout_refresh(void)
{
int screen;
int arranged = 0;
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for(screen = 0; screen < globalconf.nscreen; screen++)
if(globalconf.screens[screen].need_arrange)
{
arrange(screen);
arranged++;
}
return arranged;
}
Layout *
get_current_layout(int screen)
{
Tag **curtags = tags_get_current(screen);
Layout *l = curtags[0]->layout;
p_delete(&curtags);
return l;
}
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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)
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tag_view_byindex(screen, i, prop[i] == '1');
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p_delete(&prop);
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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 = tags_get_current(screen);
for(i = 0; l && l != curtags[0]->layout; i++, l = l->next);
p_delete(&curtags);
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if(!l)
i = 0;
i = compute_new_value_from_arg(arg, (double) i);
if(i >= 0)
for(l = globalconf.screens[screen].layouts; l && i > 0; i--)
l = l->next;
else
for(l = globalconf.screens[screen].layouts; l && i < 0; i++)
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l = layout_list_prev_cycle(&globalconf.screens[screen].layouts, l);
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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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widget_invalidate_cache(screen, WIDGET_CACHE_LAYOUTS);
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saveawesomeprops(screen);
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}
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80