client.c
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
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
/*
* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
* See LICENSE file for license details.
*/
#include <stdlib.h>
#include <string.h>
#include <X11/Xatom.h>
#include "util.h"
#include "wm.h"
void
update_name(Client *c)
{
XTextProperty name;
int n;
char **list = NULL;
name.nitems = 0;
c->name[0] = 0;
XGetTextProperty(dpy, c->win, &name, net_atom[NetWMName]);
if(!name.nitems)
XGetWMName(dpy, c->win, &name);
if(!name.nitems)
return;
if(name.encoding == XA_STRING)
strncpy(c->name, (char *)name.value, sizeof(c->name));
else {
if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
&& n > 0 && *list)
{
strncpy(c->name, *list, sizeof(c->name));
XFreeStringList(list);
}
}
XFree(name.value);
if(c == stack)
draw_bar();
else
draw_client(c);
}
void
focus(Client *c)
{
Client **l;
for(l=&stack; *l && *l != c; l=&(*l)->snext);
eassert(*l == c);
*l = c->snext;
c->snext = stack;
stack = c;
XRaiseWindow(dpy, c->win);
XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
XFlush(dpy);
}
void
manage(Window w, XWindowAttributes *wa)
{
Client *c, **l;
XSetWindowAttributes twa;
long msize;
c = emallocz(sizeof(Client));
c->win = w;
c->r[RFloat].x = wa->x;
c->r[RFloat].y = wa->y;
c->r[RFloat].width = wa->width;
c->r[RFloat].height = wa->height;
c->border = wa->border_width;
XSetWindowBorderWidth(dpy, c->win, 0);
XSelectInput(dpy, c->win, StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
XGetTransientForHint(dpy, c->win, &c->trans);
if(!XGetWMNormalHints(dpy, c->win, &c->size, &msize) || !c->size.flags)
c->size.flags = PSize;
c->fixedsize =
(c->size.flags & PMinSize && c->size.flags & PMaxSize
&& c->size.min_width == c->size.max_width
&& c->size.min_height == c->size.max_height);
update_name(c);
twa.override_redirect = 1;
twa.background_pixmap = ParentRelative;
twa.event_mask = ExposureMask;
c->title = XCreateWindow(dpy, root, c->r[RFloat].x, c->r[RFloat].y,
c->r[RFloat].width, barrect.height, 0,
DefaultDepth(dpy, screen), CopyFromParent,
DefaultVisual(dpy, screen),
CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);
for(l=&clients; *l; l=&(*l)->next);
c->next = *l; /* *l == nil */
*l = c;
c->snext = stack;
stack = c;
XMapWindow(dpy, c->win);
focus(c);
}
static int
dummy_error_handler(Display *dpy, XErrorEvent *error)
{
return 0;
}
void
unmanage(Client *c)
{
Client **l;
XGrabServer(dpy);
XSetErrorHandler(dummy_error_handler);
XUnmapWindow(dpy, c->win);
XDestroyWindow(dpy, c->title);
for(l=&clients; *l && *l != c; l=&(*l)->next);
eassert(*l == c);
*l = c->next;
for(l=&stack; *l && *l != c; l=&(*l)->snext);
eassert(*l == c);
*l = c->snext;
free(c);
XFlush(dpy);
XSetErrorHandler(error_handler);
XUngrabServer(dpy);
flush_events(EnterWindowMask);
if(stack)
focus(stack);
}
Client *
getclient(Window w)
{
Client *c;
for(c = clients; c; c = c->next)
if(c->win == w)
return c;
return NULL;
}
void
draw_client(Client *c)
{
}