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awesome/client.c

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/*
* client.c - client management
*
* 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 <stdio.h>
#include <stdbool.h>
#include <xcb/xcb.h>
#include <xcb/xcb_aux.h>
#include <xcb/xcb_atom.h>
#include <xcb/shape.h>
#include "client.h"
#include "tag.h"
#include "rules.h"
#include "window.h"
#include "focus.h"
#include "ewmh.h"
#include "widget.h"
#include "screen.h"
#include "titlebar.h"
#include "layouts/floating.h"
#include "common/xutil.h"
#include "common/xscreen.h"
extern AwesomeConf globalconf;
/** Load windows properties, restoring client's tag
* and floating state before awesome was restarted if any
* \todo this may bug if number of tags is != than before
* \param c Client ref
* \param screen Screen ID
* \return true if client had property
*/
static bool
client_loadprops(Client * c, int screen)
{
int i, ntags = 0;
Tag *tag;
char *prop;
bool result = false;
for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
ntags++;
prop = p_new(char, ntags + 3);
if(xgettextprop(globalconf.connection, c->win,
x_intern_atom(globalconf.connection, "_AWESOME_PROPERTIES"),
prop, ntags + 3))
{
for(i = 0, tag = globalconf.screens[screen].tags; tag && i < ntags && prop[i]; i++, tag = tag->next)
if(prop[i] == '1')
{
tag_client(c, tag);
result = true;
}
else
untag_client(c, tag);
if(prop[i])
client_setfloating(c, prop[i] == '1', (prop[i + 1] >= 0 && prop[i + 1] <= LAYER_FULLSCREEN) ? atoi(&prop[i + 1]) : prop[i] == '1' ? LAYER_FLOAT : LAYER_TILE);
}
p_delete(&prop);
return result;
}
/** Check if client supports protocol WM_DELETE_WINDOW
* \param disp the display
* \param win the Window
* \return true if client has WM_DELETE_WINDOW
*/
static bool
client_isprotodel(xcb_connection_t *c, xcb_window_t win)
{
uint32_t i, n;
xcb_atom_t *protocols;
bool ret = false;
if(xcb_get_wm_protocols(c, win, &n, &protocols))
{
for(i = 0; !ret && i < n; i++)
if(protocols[i] == x_intern_atom(c, "WM_DELETE_WINDOW"))
ret = true;
p_delete(&protocols);
}
return ret;
}
/** Get a Client by its window
* \param list Client list to look info
* \param w Client window to find
* \return client
*/
Client *
client_get_bywin(Client *list, xcb_window_t w)
{
Client *c;
for(c = list; c && c->win != w; c = c->next);
return c;
}
/** Get a client by its name
* \param list Client list
* \param name name to search
* \return first matching client
*/
Client *
client_get_byname(Client *list, char *name)
{
Client *c;
for(c = list; c; c = c->next)
if(strstr(c->name, name))
return c;
return NULL;
}
/** Update client name attribute with its title
* \param c the client
*/
void
client_updatetitle(Client *c)
{
if(!xgettextprop(globalconf.connection, c->win,
x_intern_atom(globalconf.connection, "_NET_WM_NAME"), c->name, sizeof(c->name)))
xgettextprop(globalconf.connection, c->win,
x_intern_atom(globalconf.connection, "WM_NAME"), c->name, sizeof(c->name));
titlebar_draw(c);
widget_invalidate_cache(c->screen, WIDGET_CACHE_CLIENTS);
}
static void
client_unfocus(Client *c)
{
if(globalconf.screens[c->screen].opacity_unfocused != -1)
window_settrans(c->win, globalconf.screens[c->screen].opacity_unfocused);
else if(globalconf.screens[c->screen].opacity_focused != -1)
window_settrans(c->win, -1);
focus_add_client(NULL);
xcb_change_window_attributes(globalconf.connection, c->win, XCB_CW_BORDER_PIXEL,
&globalconf.screens[c->screen].styles.normal.border.pixel);
widget_invalidate_cache(c->screen, WIDGET_CACHE_CLIENTS);
titlebar_draw(c);
}
/** Ban client and unmap it
* \param c the client
*/
void
client_ban(Client *c)
{
if(globalconf.focus->client == c)
client_unfocus(c);
xcb_unmap_window(globalconf.connection, c->win);
window_setstate(c->win, XCB_WM_ICONIC_STATE);
if(c->titlebar.position && c->titlebar.sw)
xcb_unmap_window(globalconf.connection, c->titlebar.sw->window);
}
/** Give focus to client, or to first client if c is NULL
* \param c client
* \param screen Screen ID
* \param raise raise window if true
* \return true if a window (even root) has received focus, false otherwise
*/
bool
client_focus(Client *c, int screen, bool raise)
{
int phys_screen;
/* if c is NULL or invisible, take next client in the focus history */
if((!c || (c && (!client_isvisible(c, screen))))
&& !(c = focus_get_current_client(screen)))
/* if c is still NULL take next client in the stack */
for(c = globalconf.clients; c && (c->skip || !client_isvisible(c, screen)); c = c->next);
/* if c is already the focused window, then stop */
if(c == globalconf.focus->client)
return false;
/* unfocus current selected client */
if(globalconf.focus->client)
client_unfocus(globalconf.focus->client);
if(c)
{
/* unban the client before focusing or it will fail */
client_unban(c);
/* save sel in focus history */
focus_add_client(c);
if(globalconf.screens[c->screen].opacity_focused != -1)
window_settrans(c->win, globalconf.screens[c->screen].opacity_focused);
else if(globalconf.screens[c->screen].opacity_unfocused != -1)
window_settrans(c->win, -1);
xcb_change_window_attributes(globalconf.connection, c->win, XCB_CW_BORDER_PIXEL,
&globalconf.screens[screen].styles.focus.border.pixel);
titlebar_draw(c);
xcb_set_input_focus(globalconf.connection, XCB_INPUT_FOCUS_POINTER_ROOT,
c->win, XCB_CURRENT_TIME);
if(raise)
client_stack(c);
/* since we're dropping EnterWindow events and sometimes the window
* will appear under the mouse, grabbuttons */
window_grabbuttons(c->win, c->phys_screen);
phys_screen = c->phys_screen;
}
else
{
phys_screen = screen_virttophys(screen);
xcb_set_input_focus(globalconf.connection,
XCB_INPUT_FOCUS_POINTER_ROOT,
root_window(globalconf.connection, phys_screen),
XCB_CURRENT_TIME);
}
ewmh_update_net_active_window(phys_screen);
widget_invalidate_cache(screen, WIDGET_CACHE_CLIENTS);
return true;
}
void
client_stack(Client *c)
{
uint32_t config_win_vals[2];
Client *client;
unsigned int layer;
Layer maxlayer = LAYER_FULLSCREEN;
config_win_vals[0] = XCB_NONE;
config_win_vals[1] = XCB_STACK_MODE_ABOVE;
for(layer = 0; layer < maxlayer; layer++)
{
for(client = globalconf.clients; client; client = client->next)
{
if(client->layer == layer && client != c && client_isvisible(client, c->screen))
{
if(client->titlebar.position && client->titlebar.sw)
{
xcb_configure_window(globalconf.connection,
client->titlebar.sw->window,
XCB_CONFIG_WINDOW_SIBLING | XCB_CONFIG_WINDOW_STACK_MODE,
config_win_vals);
config_win_vals[0] = client->titlebar.sw->window;
}
xcb_configure_window(globalconf.connection, client->win,
XCB_CONFIG_WINDOW_SIBLING | XCB_CONFIG_WINDOW_STACK_MODE,
config_win_vals);
config_win_vals[0] = client->win;
}
}
if(c->layer == layer)
{
if(c->titlebar.position && c->titlebar.sw)
{
xcb_configure_window(globalconf.connection, c->titlebar.sw->window,
XCB_CONFIG_WINDOW_SIBLING | XCB_CONFIG_WINDOW_STACK_MODE,
config_win_vals);
config_win_vals[0] = c->titlebar.sw->window;
}
xcb_configure_window(globalconf.connection, c->win,
XCB_CONFIG_WINDOW_SIBLING | XCB_CONFIG_WINDOW_STACK_MODE,
config_win_vals);
config_win_vals[0] = c->win;
}
}
}
/** Manage a new client
* \param w The window
* \param wa Window attributes
* \param screen Screen ID
*/
void
client_manage(xcb_window_t w, xcb_get_geometry_reply_t *wa, int screen)
{
Client *c, *t = NULL;
xcb_window_t trans;
bool rettrans, retloadprops;
uint32_t config_win_val;
Tag *tag;
Rule *rule;
xcb_size_hints_t *u_size_hints;
c = p_new(Client, 1);
c->screen = screen_get_bycoord(globalconf.screens_info, screen, wa->x, wa->y);
if(globalconf.screens_info->xinerama_is_active)
c->phys_screen = globalconf.default_screen;
else
c->phys_screen = c->screen;
/* Initial values */
c->win = w;
c->geometry.x = c->f_geometry.x = c->m_geometry.x = wa->x;
c->geometry.y = c->f_geometry.y = c->m_geometry.y = wa->y;
c->geometry.width = c->f_geometry.width = c->m_geometry.width = wa->width;
c->geometry.height = c->f_geometry.height = c->m_geometry.height = wa->height;
c->oldborder = wa->border_width;
c->newcomer = true;
c->layer = c->oldlayer = LAYER_TILE;
/* Set windows borders */
config_win_val = c->border = globalconf.screens[screen].borderpx;
xcb_configure_window(globalconf.connection, w, XCB_CONFIG_WINDOW_BORDER_WIDTH,
&config_win_val);
xcb_change_window_attributes(globalconf.connection, w, XCB_CW_BORDER_PIXEL,
&config_win_val);
/* propagates border_width, if size doesn't change */
window_configure(c->win, c->geometry, c->border);
/* update window title */
client_updatetitle(c);
/* update hints */
u_size_hints = client_updatesizehints(c);
client_updatewmhints(c);
/* Try to load props if any */
if(!(retloadprops = client_loadprops(c, screen)))
move_client_to_screen(c, screen, true);
/* Then check clients hints */
ewmh_check_client_hints(c);
/* default titlebar position */
c->titlebar = globalconf.screens[screen].titlebar_default;
/* get the matching rule if any */
rule = rule_matching_client(c);
/* Then apply rules if no props */
if(!retloadprops && rule)
{
if(rule->screen != RULE_NOSCREEN)
move_client_to_screen(c, rule->screen, true);
tag_client_with_rule(c, rule);
switch(rule->isfloating)
{
case Maybe:
break;
case Yes:
client_setfloating(c, true, c->layer != LAYER_TILE ? c->layer : LAYER_FLOAT);
break;
case No:
client_setfloating(c, false, LAYER_TILE);
break;
}
if(rule->opacity >= 0.0f)
window_settrans(c->win, rule->opacity);
}
/* check for transient and set tags like its parent */
if((rettrans = x_get_transient_for_hint(globalconf.connection, w, &trans))
&& (t = client_get_bywin(globalconf.clients, trans)))
for(tag = globalconf.screens[c->screen].tags; tag; tag = tag->next)
if(is_client_tagged(t, tag))
tag_client(c, tag);
/* should be floating if transsient or fixed */
if(rettrans || c->isfixed)
client_setfloating(c, true, c->layer != LAYER_TILE ? c->layer : LAYER_FLOAT);
/* titlebar init */
if(rule && rule->titlebar.position != Auto)
c->titlebar = rule->titlebar;
titlebar_init(c);
if(!retloadprops
&& u_size_hints
&& !(xcb_size_hints_is_us_position(u_size_hints) | xcb_size_hints_is_p_position(u_size_hints)))
{
if(c->isfloating && !c->ismax)
client_resize(c, globalconf.screens[c->screen].floating_placement(c), false);
else
c->f_geometry = globalconf.screens[c->screen].floating_placement(c);
xcb_free_size_hints(u_size_hints);
}
/* update titlebar with real floating info now */
titlebar_update_geometry_floating(c);
x_select_input(globalconf.connection, w, XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_ENTER_WINDOW);
/* handle xshape */
if(globalconf.have_shape)
{
xcb_shape_select_input(globalconf.connection, w, true);
window_setshape(c->win, c->phys_screen);
}
/* attach to the stack */
if(rule)
switch(rule->ismaster)
{
case Yes:
client_list_push(&globalconf.clients, c);
break;
case No:
client_list_append(&globalconf.clients, c);
break;
case Maybe:
rule = NULL;
break;
}
if(!rule)
{
if(globalconf.screens[c->screen].new_become_master)
client_list_push(&globalconf.clients, c);
else
client_list_append(&globalconf.clients, c);
}
widget_invalidate_cache(c->screen, WIDGET_CACHE_CLIENTS);
ewmh_update_net_client_list(c->phys_screen);
}
static area_t
client_geometry_hints(Client *c, area_t geometry)
{
double dx, dy, max, min, ratio;
if(c->minay > 0 && c->maxay > 0 && (geometry.height - c->baseh) > 0
&& (geometry.width - c->basew) > 0)
{
dx = (double) (geometry.width - c->basew);
dy = (double) (geometry.height - c->baseh);
min = (double) (c->minax) / (double) (c->minay);
max = (double) (c->maxax) / (double) (c->maxay);
ratio = dx / dy;
if(max > 0 && min > 0 && ratio > 0)
{
if(ratio < min)
{
dy = (dx * min + dy) / (min * min + 1);
dx = dy * min;
geometry.width = (int) dx + c->basew;
geometry.height = (int) dy + c->baseh;
}
else if(ratio > max)
{
dy = (dx * min + dy) / (max * max + 1);
dx = dy * min;
geometry.width = (int) dx + c->basew;
geometry.height = (int) dy + c->baseh;
}
}
}
if(c->minw && geometry.width < c->minw)
geometry.width = c->minw;
if(c->minh && geometry.height < c->minh)
geometry.height = c->minh;
if(c->maxw && geometry.width > c->maxw)
geometry.width = c->maxw;
if(c->maxh && geometry.height > c->maxh)
geometry.height = c->maxh;
if(c->incw)
geometry.width -= (geometry.width - c->basew) % c->incw;
if(c->inch)
geometry.height -= (geometry.height - c->baseh) % c->inch;
return geometry;
}
/** Resize client window
* \param c client to resize
* \param geometry new window geometry
* \param hints use resize hints
* \param return true if resize has been done
*/
bool
client_resize(Client *c, area_t geometry, bool hints)
{
int new_screen;
area_t area;
Layout *layout = layout_get_current(c->screen);
bool resized = false;
if(!c->ismoving && !c->isfloating && layout->arrange != layout_floating)
{
titlebar_update_geometry(c, geometry);
geometry = titlebar_geometry_remove(&c->titlebar, geometry);
}
/* Values to configure a window is an array where values are
* stored according to 'value_mask' */
uint32_t values[5];
if(hints)
geometry = client_geometry_hints(c, geometry);
if(geometry.width <= 0 || geometry.height <= 0)
return false;
/* offscreen appearance fixes */
area = get_display_area(c->phys_screen, NULL,
&globalconf.screens[c->screen].padding);
if(geometry.x > area.width)
geometry.x = area.width - geometry.width - 2 * c->border;
if(geometry.y > area.height)
geometry.y = area.height - geometry.height - 2 * c->border;
if(geometry.x + geometry.width + 2 * c->border < 0)
geometry.x = 0;
if(geometry.y + geometry.height + 2 * c->border < 0)
geometry.y = 0;
if(c->geometry.x != geometry.x || c->geometry.y != geometry.y
|| c->geometry.width != geometry.width || c->geometry.height != geometry.height)
{
new_screen =
screen_get_bycoord(globalconf.screens_info, c->screen, geometry.x, geometry.y);
c->geometry.x = values[0] = geometry.x;
c->geometry.width = values[2] = geometry.width;
c->geometry.y = values[1] = geometry.y;
c->geometry.height = values[3] = geometry.height;
values[4] = c->border;
/* save the floating geometry if the window is floating but not
* maximized */
if(c->ismoving || c->isfloating
|| layout_get_current(new_screen)->arrange == layout_floating)
{
if(!c->ismax)
c->f_geometry = geometry;
titlebar_update_geometry_floating(c);
}
xcb_configure_window(globalconf.connection, c->win,
XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
XCB_CONFIG_WINDOW_BORDER_WIDTH,
values);
window_configure(c->win, geometry, c->border);
if(c->screen != new_screen)
move_client_to_screen(c, new_screen, false);
resized = true;
}
/* call it again like it was floating,
* we want it to be sticked to the window */
if(!c->ismoving && !c->isfloating && layout->arrange != layout_floating)
titlebar_update_geometry_floating(c);
return resized;
}
void
client_setfloating(Client *c, bool floating, Layer layer)
{
if(c->isfloating != floating)
{
if((c->isfloating = floating))
client_resize(c, c->f_geometry, false);
else if(c->ismax)
{
c->ismax = false;
client_resize(c, c->m_geometry, false);
}
if(client_isvisible(c, c->screen))
globalconf.screens[c->screen].need_arrange = true;
widget_invalidate_cache(c->screen, WIDGET_CACHE_CLIENTS);
if(floating)
{
c->oldlayer = c->layer;
c->layer = layer;
}
else
{
c->layer = c->oldlayer;
}
client_stack(c);
client_saveprops(c);
}
}
/** Save client properties as an X property
* \param c client
*/
void
client_saveprops(Client *c)
{
int i = 0, ntags = 0;
char *prop;
Tag *tag;
for(tag = globalconf.screens[c->screen].tags; tag; tag = tag->next)
ntags++;
prop = p_new(char, ntags + 3);
for(tag = globalconf.screens[c->screen].tags; tag; tag = tag->next, i++)
prop[i] = is_client_tagged(c, tag) ? '1' : '0';
prop[i] = c->isfloating ? '1' : '0';
sprintf(&prop[++i], "%d", c->layer);
prop[++i] = '\0';
xcb_change_property(globalconf.connection, XCB_PROP_MODE_REPLACE, c->win,
x_intern_atom(globalconf.connection, "_AWESOME_PROPERTIES"),
STRING, 8, i, (unsigned char *) prop);
p_delete(&prop);
}
void
client_unban(Client *c)
{
xcb_map_window(globalconf.connection, c->win);
window_setstate(c->win, XCB_WM_NORMAL_STATE);
if(c->titlebar.sw && c->titlebar.position != Off)
xcb_map_window(globalconf.connection, c->titlebar.sw->window);
}
void
client_unmanage(Client *c)
{
Tag *tag;
/* The server grab construct avoids race conditions. */
xcb_grab_server(globalconf.connection);
xcb_configure_window(globalconf.connection, c->win,
XCB_CONFIG_WINDOW_BORDER_WIDTH,
(uint32_t *) &c->oldborder);
/* remove client everywhere */
client_list_detach(&globalconf.clients, c);
focus_delete_client(c);
if(globalconf.scratch.client == c)
globalconf.scratch.client = NULL;
for(tag = globalconf.screens[c->screen].tags; tag; tag = tag->next)
untag_client(c, tag);
if(globalconf.focus->client == c)
client_focus(NULL, c->screen, true);
xcb_ungrab_button(globalconf.connection, XCB_BUTTON_INDEX_ANY, c->win, ANY_MODIFIER);
window_setstate(c->win, XCB_WM_WITHDRAWN_STATE);
xcb_aux_sync(globalconf.connection);
xcb_ungrab_server(globalconf.connection);
if(c->titlebar.sw)
simplewindow_delete(&c->titlebar.sw);
p_delete(&c);
}
void
client_updatewmhints(Client *c)
{
xcb_wm_hints_t *wmh;
if((wmh = xcb_get_wm_hints(globalconf.connection, c->win)))
{
if((c->isurgent = (xcb_wm_hints_is_x_urgency_hint(wmh) && globalconf.focus->client != c)))
{
widget_invalidate_cache(c->screen, WIDGET_CACHE_CLIENTS);
titlebar_draw(c);
}
if(xcb_wm_hints_is_state_hint(wmh) && xcb_wm_hints_state_is_withdrawn(wmh))
{
c->border = 0;
c->skip = true;
}
free(wmh);
}
}
xcb_size_hints_t *
client_updatesizehints(Client *c)
{
long msize;
xcb_size_hints_t *size = xcb_alloc_size_hints();
if(!xcb_get_wm_normal_hints(globalconf.connection, c->win, size, &msize) ||
size == NULL)
return NULL;
if(xcb_size_hints_is_p_size(size))
xcb_size_hints_get_base_size(size, &c->basew, &c->baseh);
else if(xcb_size_hints_is_p_min_size(size))
xcb_size_hints_get_min_size(size, &c->basew, &c->baseh);
else
c->basew = c->baseh = 0;
if(xcb_size_hints_is_p_resize_inc(size))
xcb_size_hints_get_increase(size, &c->incw, &c->inch);
else
c->incw = c->inch = 0;
if(xcb_size_hints_is_p_max_size(size))
xcb_size_hints_get_max_size(size, &c->maxw, &c->maxh);
else
c->maxw = c->maxh = 0;
if(xcb_size_hints_is_p_min_size(size))
xcb_size_hints_get_min_size(size, &c->minw, &c->minh);
else if(xcb_size_hints_is_p_base_size(size))
xcb_size_hints_get_base_size(size, &c->minw, &c->minh);
else
c->minw = c->minh = 0;
if(xcb_size_hints_is_p_aspect(size))
{
xcb_size_hints_get_min_aspect(size, &c->minax, &c->minay);
xcb_size_hints_get_max_aspect(size, &c->maxax, &c->maxay);
}
else
c->minax = c->maxax = c->minay = c->maxay = 0;
if(c->maxw && c->minw && c->maxh && c->minh
&& c->maxw == c->minw && c->maxh == c->minh)
c->isfixed = true;
return size;
}
/** Returns true if a client is tagged
* with one of the tags
* \return true or false
*/
bool
client_isvisible(Client *c, int screen)
{
Tag *tag;
if(!c || c->screen != screen)
return false;
if(globalconf.scratch.client == c)
return globalconf.scratch.isvisible;
for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
if(tag->selected && is_client_tagged(c, tag))
return true;
return false;
}
/** Set the transparency of the selected client.
* Argument should be an absolut or relativ floating between 0.0 and 1.0
* \param screen Screen ID
* \param arg unused arg
* \ingroup ui_callback
*/
void
uicb_client_settrans(int screen __attribute__ ((unused)), char *arg)
{
double delta = 1.0, current_opacity = 100.0;
unsigned int current_opacity_raw = 0;
int set_prop = 0;
Client *sel = globalconf.focus->client;
xcb_get_property_reply_t *prop_r;
if(!sel)
return;
prop_r = xcb_get_property_reply(globalconf.connection,
xcb_get_property_unchecked(globalconf.connection,
false, sel->win,
x_intern_atom(globalconf.connection, "_NET_WM_WINDOW_OPACITY"),
CARDINAL,
0, 1),
NULL);
if(prop_r)
{
memcpy(&current_opacity_raw, xcb_get_property_value(prop_r), sizeof(unsigned int));
current_opacity = (double) current_opacity_raw / 0xffffffff;
p_delete(&prop_r);
}
else
set_prop = 1;
delta = compute_new_value_from_arg(arg, current_opacity);
if(delta <= 0.0)
delta = 0.0;
else if(delta > 1.0)
{
delta = 1.0;
set_prop = 1;
}
if(delta == 1.0 && !set_prop)
window_settrans(sel->win, -1);
else
window_settrans(sel->win, delta);
}
/** Find a visible client on screen. Return next client or previous client if
* reverse is true.
* \param sel current selected client
* \param reverse return previous instead of next if true
* \return next or previous client
*/
static Client *
client_find_visible(Client *sel, bool reverse)
{
Client *next;
Client *(*client_iter)(Client **, Client *) = client_list_next_cycle;
if(!sel) return NULL;
if(reverse)
client_iter = client_list_prev_cycle;
/* look for previous or next starting at sel */
for(next = client_iter(&globalconf.clients, sel);
next && next != sel && (next->skip || !client_isvisible(next, sel->screen));
next = client_iter(&globalconf.clients, next));
return next;
}
/** Swap the currently focused client with the previous visible one.
* \param screen Screen ID
* \param arg nothing
* \ingroup ui_callback
*/
void
uicb_client_swapprev(int screen __attribute__ ((unused)), char *arg __attribute__ ((unused)))
{
Client *prev;
if((prev = client_find_visible(globalconf.focus->client, true)))
{
client_list_swap(&globalconf.clients, prev, globalconf.focus->client);
globalconf.screens[prev->screen].need_arrange = true;
widget_invalidate_cache(prev->screen, WIDGET_CACHE_CLIENTS);
}
}
/** Swap the currently focused client with the next visible one.
* \param screen Screen ID
* \param arg nothing
* \ingroup ui_callback
*/
void
uicb_client_swapnext(int screen __attribute__ ((unused)), char *arg __attribute__ ((unused)))
{
Client *next;
if((next = client_find_visible(globalconf.focus->client, false)))
{
client_list_swap(&globalconf.clients, globalconf.focus->client, next);
globalconf.screens[next->screen].need_arrange = true;
widget_invalidate_cache(next->screen, WIDGET_CACHE_CLIENTS);
}
}
/** Move and resize a client. Argument should be in format "x y w h" with
* absolute (1, 20, 300, ...) or relative (+10, -200, ...) values.
* \param screen Screen ID
* \param arg x y w h
* \ingroup ui_callback
*/
void
uicb_client_moveresize(int screen, char *arg)
{
int ox, oy, ow, oh; /* old geometry */
char x[8], y[8], w[8], h[8];
int nmx, nmy;
area_t geometry;
Client *sel = globalconf.focus->client;
xcb_query_pointer_reply_t *xqp;
Layout *curlay = layout_get_current(screen);
if(!sel || sel->isfixed || !arg ||
(curlay->arrange != layout_floating && !sel->isfloating))
return;
if(sscanf(arg, "%s %s %s %s", x, y, w, h) != 4)
return;
geometry.x = (int) compute_new_value_from_arg(x, sel->geometry.x);
geometry.y = (int) compute_new_value_from_arg(y, sel->geometry.y);
geometry.width = (int) compute_new_value_from_arg(w, sel->geometry.width);
geometry.height = (int) compute_new_value_from_arg(h, sel->geometry.height);
ox = sel->geometry.x;
oy = sel->geometry.y;
ow = sel->geometry.width;
oh = sel->geometry.height;
xqp = xcb_query_pointer_reply(globalconf.connection,
xcb_query_pointer_unchecked(globalconf.connection,
root_window(globalconf.connection, sel->phys_screen)),
NULL);
if(globalconf.screens[sel->screen].resize_hints)
geometry = client_geometry_hints(sel, geometry);
client_resize(sel, geometry, false);
if (xqp && ox <= xqp->root_x && (ox + 2 * sel->border + ow) >= xqp->root_x &&
oy <= xqp->root_y && (oy + 2 * sel->border + oh) >= xqp->root_y)
{
nmx = xqp->root_x - (ox + sel->border) + sel->geometry.width - ow;
nmy = xqp->root_y - (oy + sel->border) + sel->geometry.height - oh;
if(nmx < -sel->border) /* can happen on a resize */
nmx = -sel->border;
if(nmy < -sel->border)
nmy = -sel->border;
xcb_warp_pointer(globalconf.connection,
XCB_NONE, sel->win,
0, 0, 0, 0, nmx, nmy);
}
}
/** Kill a client via a WM_DELETE_WINDOW request or XKillClient if not
* supported.
* \param c the client to kill
*/
void
client_kill(Client *c)
{
xcb_client_message_event_t ev;
if(client_isprotodel(globalconf.connection, c->win))
{
ev.window = c->win;
ev.type = x_intern_atom(globalconf.connection, "WM_PROTOCOLS");
ev.data.data32[0] = x_intern_atom(globalconf.connection, "WM_DELETE_WINDOW");
ev.data.data32[1] = XCB_CURRENT_TIME;
/* TODO: really useful? */
ev.data.data32[2] = ev.data.data32[3] = ev.data.data32[4] = 0;
xcb_send_event(globalconf.connection, false, c->win,
XCB_EVENT_MASK_NO_EVENT, (char *) &ev);
}
else
xcb_kill_client(globalconf.connection, c->win);
}
/** Kill the currently focused client.
* \param screen Screen ID
* \param arg unused
* \ingroup ui_callback
*/
void
uicb_client_kill(int screen __attribute__ ((unused)), char *arg __attribute__ ((unused)))
{
Client *sel = globalconf.focus->client;
if(sel)
client_kill(sel);
}
/** Maximize the client to the given geometry.
* \param c the client to maximize
* \param geometry the geometry to use for maximizing
*/
static void
client_maximize(Client *c, area_t geometry)
{
if((c->ismax = !c->ismax))
{
/* disable titlebar */
c->titlebar.position = Off;
c->wasfloating = c->isfloating;
c->m_geometry = c->geometry;
if(layout_get_current(c->screen)->arrange != layout_floating)
client_setfloating(c, true, LAYER_FULLSCREEN);
client_focus(c, c->screen, true);
client_resize(c, geometry, false);
}
else if(c->wasfloating)
{
c->titlebar.position = c->titlebar.dposition;
client_setfloating(c, true, LAYER_FULLSCREEN);
client_resize(c, c->m_geometry, false);
widget_invalidate_cache(c->screen, WIDGET_CACHE_CLIENTS);
}
else if(layout_get_current(c->screen)->arrange == layout_floating)
{
c->titlebar.position = c->titlebar.dposition;
client_resize(c, c->m_geometry, false);
}
else
{
c->titlebar.position = c->titlebar.dposition;
client_setfloating(c, false, LAYER_TILE);
}
widget_invalidate_cache(c->screen, WIDGET_CACHE_CLIENTS);
}
/** Toggle maximization state for the focused client.
* \param screen Screen ID
* \param arg Unused
* \ingroup ui_callback
*/
void
uicb_client_togglemax(int screen, char *arg __attribute__ ((unused)))
{
Client *sel = globalconf.focus->client;
area_t area = screen_get_area(screen,
globalconf.screens[screen].statusbar,
&globalconf.screens[screen].padding);
if(sel)
{
area.width -= 2 * sel->border;
area.height -= 2 * sel->border;
client_maximize(sel, area);
}
}
/** Toggle vertical maximization for the focused 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_t area = screen_get_area(screen,
globalconf.screens[screen].statusbar,
&globalconf.screens[screen].padding);
if(sel)
{
area.x = sel->geometry.x;
area.width = sel->geometry.width;
area.height -= 2 * sel->border;
client_maximize(sel, area);
}
}
/** Toggle horizontal maximization for the focused 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_t area = screen_get_area(screen,
globalconf.screens[screen].statusbar,
&globalconf.screens[screen].padding);
if(sel)
{
area.y = sel->geometry.y;
area.height = sel->geometry.height;
area.width -= 2 * sel->border;
client_maximize(sel, area);
}
}
/** Move the client to the master area.
* \param screen Screen ID
* \param arg Unused
* \ingroup ui_callback
*/
void
uicb_client_zoom(int screen, char *arg __attribute__ ((unused)))
{
Client *c, *sel = globalconf.focus->client;
if(!sel)
return;
for(c = globalconf.clients; !client_isvisible(c, screen); c = c->next);
if(c == sel)
for(sel = sel->next; sel && !client_isvisible(sel, screen); sel = sel->next);
if(sel)
{
client_list_detach(&globalconf.clients, sel);
client_list_push(&globalconf.clients, sel);
globalconf.screens[screen].need_arrange = true;
}
}
/** Give focus to the next visible client in the stack.
* \param screen Screen ID
* \param arg Unused
* \ingroup ui_callback
*/
void
uicb_client_focusnext(int screen, char *arg __attribute__ ((unused)))
{
Client *next;
if((next = client_find_visible(globalconf.focus->client, false)))
client_focus(next, screen, true);
}
/** Give focus to the previous visible client in the stack.
* \param screen Screen ID
* \param arg Unused
* \ingroup ui_callback
*/
void
uicb_client_focusprev(int screen, char *arg __attribute__ ((unused)))
{
Client *prev;
if((prev = client_find_visible(globalconf.focus->client, true)))
client_focus(prev, screen, true);
}
/** Toggle the floating state of the focused client.
* \param screen Screen ID
* \param arg unused
* \ingroup ui_callback
*/
void
uicb_client_togglefloating(int screen __attribute__ ((unused)), char *arg __attribute__ ((unused)))
{
if(globalconf.focus->client)
client_setfloating(globalconf.focus->client, !globalconf.focus->client->isfloating,
globalconf.focus->client->layer == LAYER_FLOAT ? LAYER_TILE : LAYER_FLOAT);
}
/** Toggle the scratch client attribute on the focused client.
* \param screen screen number
* \param arg unused argument
* \ingroup ui_callback
*/
void
uicb_client_setscratch(int screen, char *arg __attribute__ ((unused)))
{
if(!globalconf.focus->client)
return;
if(globalconf.scratch.client == globalconf.focus->client)
globalconf.scratch.client = NULL;
else
globalconf.scratch.client = globalconf.focus->client;
widget_invalidate_cache(screen, WIDGET_CACHE_CLIENTS | WIDGET_CACHE_TAGS);
globalconf.screens[screen].need_arrange = true;
}
/** Toggle the scratch client's visibility.
* \param screen screen number
* \param arg unused argument
* \ingroup ui_callback
*/
void
uicb_client_togglescratch(int screen, char *arg __attribute__ ((unused)))
{
if(globalconf.scratch.client)
{
globalconf.scratch.isvisible = !globalconf.scratch.isvisible;
if(globalconf.scratch.isvisible)
client_focus(globalconf.scratch.client, screen, true);
globalconf.screens[globalconf.scratch.client->screen].need_arrange = true;
widget_invalidate_cache(globalconf.scratch.client->screen, WIDGET_CACHE_CLIENTS);
}
}
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
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