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awesome/window.c

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/*
* window.c - window handling 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 <xcb/xcb_atom.h>
#include <xcb/xcb_keysyms.h>
#include <xcb/xcb_aux.h>
#include "structs.h"
#include "window.h"
extern awesome_t globalconf;
/** Mask shorthands */
#define BUTTONMASK (XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE)
/** Set client state (WM_STATE) property.
* \param win The window to set state.
* \param state The state to set.
*/
void
window_setstate(xcb_window_t win, long state)
{
long data[] = { state, XCB_NONE };
const xcb_atom_t wm_state_atom = xutil_intern_atom_reply(globalconf.connection, &globalconf.atoms,
xutil_intern_atom(globalconf.connection,
&globalconf.atoms,
"WM_STATE"));
xcb_change_property(globalconf.connection, XCB_PROP_MODE_REPLACE, win,
wm_state_atom, wm_state_atom, 32, 2, data);
}
/** Get a window state (WM_STATE).
* \param w A client window.
* \return The current state of the window, or -1 on error.
*/
long
window_getstate(xcb_window_t w)
{
long result = -1;
unsigned char *p = NULL;
xcb_get_property_cookie_t prop_c;
xcb_atom_t wm_state_atom = xutil_intern_atom_reply(globalconf.connection, &globalconf.atoms,
xutil_intern_atom(globalconf.connection,
&globalconf.atoms,
"WM_STATE"));
xcb_get_property_reply_t *prop_r;
prop_c = xcb_get_property_unchecked(globalconf.connection, false, w,
wm_state_atom, wm_state_atom,
0L, 2L);
if(!(prop_r = xcb_get_property_reply(globalconf.connection, prop_c, NULL)))
return -1;
p = xcb_get_property_value(prop_r);
if(xcb_get_property_value_length(prop_r) != 0)
result = *p;
p_delete(&prop_r);
return result;
}
/** Configure a window with its new geometry and border size.
* \param win The X window id to configure.
* \param geometry The new window geometry.
* \param border The new border size.
*/
void
window_configure(xcb_window_t win, area_t geometry, int border)
{
xcb_configure_notify_event_t ce;
ce.response_type = XCB_CONFIGURE_NOTIFY;
ce.event = win;
ce.window = win;
ce.x = geometry.x;
ce.y = geometry.y;
ce.width = geometry.width;
ce.height = geometry.height;
ce.border_width = border;
ce.above_sibling = XCB_NONE;
ce.override_redirect = false;
xcb_send_event(globalconf.connection, false, win, XCB_EVENT_MASK_STRUCTURE_NOTIFY, (char *) &ce);
}
/** Grab or ungrab buttons on a window.
* \param win The window.
* \param root The root window.
* \param buttons The buttons to grab.
*/
void
window_grabbuttons(xcb_window_t win, xcb_window_t root, button_t *buttons)
{
button_t *b;
for(b = buttons; b; b = b->next)
{
xcb_grab_button(globalconf.connection, false, win, BUTTONMASK,
XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, XCB_NONE, XCB_NONE,
b->button, b->mod);
xcb_grab_button(globalconf.connection, false, win, BUTTONMASK,
XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, XCB_NONE, XCB_NONE,
b->button, b->mod | XCB_MOD_MASK_LOCK);
xcb_grab_button(globalconf.connection, false, win, BUTTONMASK,
XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, XCB_NONE, XCB_NONE,
b->button, b->mod | globalconf.numlockmask);
xcb_grab_button(globalconf.connection, false, win, BUTTONMASK,
XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, XCB_NONE, XCB_NONE,
b->button, b->mod | globalconf.numlockmask | XCB_MOD_MASK_LOCK);
}
xcb_ungrab_button(globalconf.connection, XCB_BUTTON_INDEX_ANY, root, ANY_MODIFIER);
}
/** Grab all buttons on the root window.
* \param root The root window.
*/
void
window_root_grabbuttons(xcb_window_t root)
{
button_t *b;
for(b = globalconf.buttons.root; b; b = b->next)
{
xcb_grab_button(globalconf.connection, false, root, BUTTONMASK,
XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC, XCB_NONE, XCB_NONE,
b->button, b->mod);
xcb_grab_button(globalconf.connection, false, root, BUTTONMASK,
XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC, XCB_NONE, XCB_NONE,
b->button, b->mod | XCB_MOD_MASK_LOCK);
xcb_grab_button(globalconf.connection, false, root, BUTTONMASK,
XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC, XCB_NONE, XCB_NONE,
b->button, b->mod | globalconf.numlockmask);
xcb_grab_button(globalconf.connection, false, root, BUTTONMASK,
XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_SYNC, XCB_NONE, XCB_NONE,
b->button, b->mod | globalconf.numlockmask | XCB_MOD_MASK_LOCK);
}
}
/** Grab key on the root windows.
* \param k The keybinding.
*/
void
window_root_grabkey(keybinding_t *k)
{
int phys_screen = globalconf.default_screen;
xcb_screen_t *s;
xcb_keycode_t kc;
if((kc = k->keycode)
|| (k->keysym && (kc = xcb_key_symbols_get_keycode(globalconf.keysyms, k->keysym))))
do
{
s = xcb_aux_get_screen(globalconf.connection, phys_screen);
xcb_grab_key(globalconf.connection, true, s->root,
k->mod, kc, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
xcb_grab_key(globalconf.connection, true, s->root,
k->mod | XCB_MOD_MASK_LOCK, kc, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
xcb_grab_key(globalconf.connection, true, s->root,
k->mod | globalconf.numlockmask, kc, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
xcb_grab_key(globalconf.connection, true, s->root,
k->mod | globalconf.numlockmask | XCB_MOD_MASK_LOCK, kc, XCB_GRAB_MODE_ASYNC,
XCB_GRAB_MODE_ASYNC);
phys_screen++;
} while(!globalconf.screens_info->xinerama_is_active
&& phys_screen < globalconf.screens_info->nscreen);
}
/** Ungrab key on the root windows.
* \param k The keybinding.
*/
void
window_root_ungrabkey(keybinding_t *k)
{
int phys_screen = globalconf.default_screen;
xcb_screen_t *s;
xcb_keycode_t kc;
if((kc = k->keycode)
|| (k->keysym && (kc = xcb_key_symbols_get_keycode(globalconf.keysyms, k->keysym))))
do
{
s = xcb_aux_get_screen(globalconf.connection, phys_screen);
xcb_ungrab_key(globalconf.connection, kc, s->root,
k->mod);
xcb_ungrab_key(globalconf.connection, kc, s->root,
k->mod | XCB_MOD_MASK_LOCK);
xcb_ungrab_key(globalconf.connection, kc, s->root,
k->mod | globalconf.numlockmask);
xcb_ungrab_key(globalconf.connection, kc, s->root,
k->mod | globalconf.numlockmask | XCB_MOD_MASK_LOCK);
phys_screen++;
} while(!globalconf.screens_info->xinerama_is_active
&& phys_screen < globalconf.screens_info->nscreen);
}
/** Set transparency of a window.
* \param win The window.
* \param opacity Opacity of the window, between 0 and 1.
*/
void
window_settrans(xcb_window_t win, double opacity)
{
unsigned int real_opacity = 0xffffffff;
xcb_atom_t wopacity_atom;
xutil_intern_atom_request_t wopacity_atom_q;
wopacity_atom_q = xutil_intern_atom(globalconf.connection, &globalconf.atoms, "_NET_WM_WINDOW_OPACITY");
if(opacity >= 0 && opacity <= 1)
{
real_opacity = opacity * 0xffffffff;
wopacity_atom = xutil_intern_atom_reply(globalconf.connection, &globalconf.atoms, wopacity_atom_q);
xcb_change_property(globalconf.connection, XCB_PROP_MODE_REPLACE, win,
wopacity_atom, CARDINAL, 32, 1L, &real_opacity);
}
else
{
wopacity_atom = xutil_intern_atom_reply(globalconf.connection, &globalconf.atoms, wopacity_atom_q);
xcb_delete_property(globalconf.connection, win,
wopacity_atom);
}
}
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