2 * window.c - window handling functions
4 * Copyright © 2007-2008 Julien Danjou <julien@danjou.info>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
23 #include <xcb/xcb_atom.h>
26 #include "common/atoms.h"
28 extern awesome_t globalconf
;
30 /** Mask shorthands */
31 #define BUTTONMASK (XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE)
33 /** Set client state (WM_STATE) property.
34 * \param win The window to set state.
35 * \param state The state to set.
38 window_state_set(xcb_window_t win
, long state
)
40 long data
[] = { state
, XCB_NONE
};
41 xcb_change_property(globalconf
.connection
, XCB_PROP_MODE_REPLACE
, win
,
42 WM_STATE
, WM_STATE
, 32, 2, data
);
45 /** Send request to get a window state (WM_STATE).
46 * \param w A client window.
47 * \return The cookie associated with the request.
49 xcb_get_property_cookie_t
50 window_state_get_unchecked(xcb_window_t w
)
52 return xcb_get_property_unchecked(globalconf
.connection
, false, w
, WM_STATE
,
56 /** Get a window state (WM_STATE).
57 * \param cookie The cookie.
58 * \return The current state of the window, or -1 on error.
61 window_state_get_reply(xcb_get_property_cookie_t cookie
)
64 unsigned char *p
= NULL
;
65 xcb_get_property_reply_t
*prop_r
;
67 if(!(prop_r
= xcb_get_property_reply(globalconf
.connection
, cookie
, NULL
)))
70 p
= xcb_get_property_value(prop_r
);
71 if(xcb_get_property_value_length(prop_r
) != 0)
79 /** Configure a window with its new geometry and border size.
80 * \param win The X window id to configure.
81 * \param geometry The new window geometry.
82 * \param border The new border size.
85 window_configure(xcb_window_t win
, area_t geometry
, int border
)
87 xcb_configure_notify_event_t ce
;
89 ce
.response_type
= XCB_CONFIGURE_NOTIFY
;
94 ce
.width
= geometry
.width
;
95 ce
.height
= geometry
.height
;
96 ce
.border_width
= border
;
97 ce
.above_sibling
= XCB_NONE
;
98 ce
.override_redirect
= false;
99 xcb_send_event(globalconf
.connection
, false, win
, XCB_EVENT_MASK_STRUCTURE_NOTIFY
, (char *) &ce
);
102 /** Grab or ungrab buttons on a window.
103 * \param win The window.
104 * \param root The root window.
105 * \param buttons The buttons to grab.
108 window_buttons_grab(xcb_window_t win
, xcb_window_t root
, button_array_t
*buttons
)
110 for(int i
= 0; i
< buttons
->len
; i
++)
112 xcb_grab_button(globalconf
.connection
, false, win
, BUTTONMASK
,
113 XCB_GRAB_MODE_SYNC
, XCB_GRAB_MODE_ASYNC
, XCB_NONE
, XCB_NONE
,
114 buttons
->tab
[i
]->button
, buttons
->tab
[i
]->mod
);
115 xcb_grab_button(globalconf
.connection
, false, win
, BUTTONMASK
,
116 XCB_GRAB_MODE_SYNC
, XCB_GRAB_MODE_ASYNC
, XCB_NONE
, XCB_NONE
,
117 buttons
->tab
[i
]->button
, buttons
->tab
[i
]->mod
| XCB_MOD_MASK_LOCK
);
118 xcb_grab_button(globalconf
.connection
, false, win
, BUTTONMASK
,
119 XCB_GRAB_MODE_SYNC
, XCB_GRAB_MODE_ASYNC
, XCB_NONE
, XCB_NONE
,
120 buttons
->tab
[i
]->button
, buttons
->tab
[i
]->mod
| globalconf
.numlockmask
);
121 xcb_grab_button(globalconf
.connection
, false, win
, BUTTONMASK
,
122 XCB_GRAB_MODE_SYNC
, XCB_GRAB_MODE_ASYNC
, XCB_NONE
, XCB_NONE
,
123 buttons
->tab
[i
]->button
, buttons
->tab
[i
]->mod
| globalconf
.numlockmask
| XCB_MOD_MASK_LOCK
);
126 xcb_ungrab_button(globalconf
.connection
, XCB_BUTTON_INDEX_ANY
, root
, XCB_BUTTON_MASK_ANY
);
129 /** Grab all buttons on the root window.
130 * \param root The root window.
133 window_root_buttons_grab(xcb_window_t root
)
135 button_array_t
*barr
= &globalconf
.buttons
;
137 for(int i
= 0; i
< barr
->len
; i
++)
139 xcb_grab_button(globalconf
.connection
, false, root
, BUTTONMASK
,
140 XCB_GRAB_MODE_ASYNC
, XCB_GRAB_MODE_SYNC
, XCB_NONE
, XCB_NONE
,
141 barr
->tab
[i
]->button
, barr
->tab
[i
]->mod
);
142 xcb_grab_button(globalconf
.connection
, false, root
, BUTTONMASK
,
143 XCB_GRAB_MODE_ASYNC
, XCB_GRAB_MODE_SYNC
, XCB_NONE
, XCB_NONE
,
144 barr
->tab
[i
]->button
, barr
->tab
[i
]->mod
| XCB_MOD_MASK_LOCK
);
145 xcb_grab_button(globalconf
.connection
, false, root
, BUTTONMASK
,
146 XCB_GRAB_MODE_ASYNC
, XCB_GRAB_MODE_SYNC
, XCB_NONE
, XCB_NONE
,
147 barr
->tab
[i
]->button
, barr
->tab
[i
]->mod
| globalconf
.numlockmask
);
148 xcb_grab_button(globalconf
.connection
, false, root
, BUTTONMASK
,
149 XCB_GRAB_MODE_ASYNC
, XCB_GRAB_MODE_SYNC
, XCB_NONE
, XCB_NONE
,
150 barr
->tab
[i
]->button
, barr
->tab
[i
]->mod
| globalconf
.numlockmask
| XCB_MOD_MASK_LOCK
);
154 /** Get the opacity of a window.
156 * \return The opacity, between 0 and 1 or -1 or no opacity set.
159 window_opacity_get(xcb_window_t win
)
161 xcb_get_property_cookie_t prop_c
;
162 xcb_get_property_reply_t
*prop_r
;
164 prop_c
= xcb_get_property_unchecked(globalconf
.connection
, false, win
,
165 _NET_WM_WINDOW_OPACITY
, CARDINAL
, 0L, 1L);
167 prop_r
= xcb_get_property_reply(globalconf
.connection
, prop_c
, NULL
);
169 if(!prop_r
|| !prop_r
->value_len
|| prop_r
->format
!= 32)
172 if(prop_r
->value_len
)
174 unsigned int *data
= xcb_get_property_value(prop_r
);
175 return (double) *data
/ (double) 0xffffffff;
183 /** Set opacity of a window.
184 * \param win The window.
185 * \param opacity Opacity of the window, between 0 and 1.
188 window_opacity_set(xcb_window_t win
, double opacity
)
190 unsigned int real_opacity
= 0xffffffff;
192 if(opacity
>= 0 && opacity
<= 1)
194 real_opacity
= opacity
* 0xffffffff;
195 xcb_change_property(globalconf
.connection
, XCB_PROP_MODE_REPLACE
, win
,
196 _NET_WM_WINDOW_OPACITY
, CARDINAL
, 32, 1L, &real_opacity
);
199 xcb_delete_property(globalconf
.connection
, win
, _NET_WM_WINDOW_OPACITY
);
202 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80