1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
#include <stdlib.h>
#include <stdio.h>
#include "xcb_wm.h"
table_t *byChild = 0;
table_t *byParent = 0;
void manage_window(property_handlers_t *prophs, xcb_connection_t *c, xcb_window_t window, window_attributes_t wa)
{
xcb_drawable_t d = { window };
xcb_get_geometry_cookie_t geomc;
xcb_get_geometry_reply_t *geom;
xcb_get_window_attributes_reply_t *attr = 0;
if(wa.tag == TAG_COOKIE)
{
attr = xcb_get_window_attributes_reply(c, wa.u.cookie, 0);
if(!attr)
return;
if(attr->map_state != XCB_MAP_STATE_VIEWABLE)
{
printf("Window 0x%08x is not mapped. Ignoring.\n", window);
free(attr);
return;
}
wa.tag = TAG_VALUE;
wa.u.override_redirect = attr->override_redirect;
}
if(!wa.u.override_redirect && table_get(byChild, window))
{
printf("Window 0x%08x already managed. Ignoring.\n", window);
free(attr);
return;
}
if(wa.u.override_redirect)
{
printf("Window 0x%08x has override-redirect set. Ignoring.\n", window);
free(attr);
return;
}
geomc = xcb_get_geometry(c, d);
if(!attr)
{
wa.tag = TAG_COOKIE;
wa.u.cookie = xcb_get_window_attributes(c, window);
attr = xcb_get_window_attributes_reply(c, wa.u.cookie, 0);
}
geom = xcb_get_geometry_reply(c, geomc, 0);
if(attr && geom)
{
reparent_window(c, window, attr->visual, geom->root, geom->depth, geom->x, geom->y, geom->width, geom->height);
property_changed(prophs, XCB_PROPERTY_NEW_VALUE, window, WM_NAME);
}
free(attr);
free(geom);
}
int handle_map_notify_event(void *prophs, xcb_connection_t *c, xcb_map_notify_event_t *e)
{
window_attributes_t wa = { TAG_VALUE };
wa.u.override_redirect = e->override_redirect;
printf("MapNotify for 0x%08x.\n", e->window);
manage_window(prophs, c, e->window, wa);
return 1;
}
int handle_unmap_notify_event(void *data, xcb_connection_t *c, xcb_unmap_notify_event_t *e)
{
client_window_t *client = table_remove(byChild, e->event);
xcb_window_t root;
printf("UnmapNotify for 0x%08x (received from 0x%08x): ", e->window, e->event);
if(!client)
{
printf("not a managed window. Ignoring.\n");
return 0;
}
root = xcb_setup_roots_iterator(xcb_get_setup(c)).data->root;
printf("child of 0x%08x.\n", client->parent);
xcb_reparent_window(c, client->child, root, 0, 0);
xcb_destroy_window(c, client->parent);
xcb_flush(c);
table_remove(byParent, client->parent);
free(client);
return 1;
}
void manage_existing_windows(xcb_connection_t *c, property_handlers_t *prophs, xcb_window_t root)
{
xcb_query_tree_cookie_t wintree;
xcb_query_tree_reply_t *rep;
int i, len;
xcb_window_t *children;
xcb_get_window_attributes_cookie_t *cookies;
wintree = xcb_query_tree(c, root);
rep = xcb_query_tree_reply(c, wintree, 0);
if(!rep)
return;
len = xcb_query_tree_children_length(rep);
cookies = malloc(len * sizeof(*cookies));
if(!cookies)
{
free(rep);
return;
}
children = xcb_query_tree_children(rep);
for(i = 0; i < len; ++i)
cookies[i] = xcb_get_window_attributes(c, children[i]);
for(i = 0; i < len; ++i)
{
window_attributes_t wa = { TAG_COOKIE, { cookies[i] } };
manage_window(prophs, c, children[i], wa);
}
free(rep);
}
|
