f87fb80f5d09115e24942fa2d31c7a1196e43e07
[dwm.git] / client.c
1 /*
2 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
3 * See LICENSE file for license details.
4 */
5
6 #include <stdlib.h>
7 #include <string.h>
8 #include <X11/Xatom.h>
9
10 #include "util.h"
11 #include "wm.h"
12
13 void
14 update_name(Client *c)
15 {
16 XTextProperty name;
17 int n;
18 char **list = NULL;
19
20 name.nitems = 0;
21 c->name[0] = 0;
22 XGetTextProperty(dpy, c->win, &name, net_atom[NetWMName]);
23 if(!name.nitems)
24 XGetWMName(dpy, c->win, &name);
25 if(!name.nitems)
26 return;
27 if(name.encoding == XA_STRING)
28 strncpy(c->name, (char *)name.value, sizeof(c->name));
29 else {
30 if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
31 && n > 0 && *list)
32 {
33 strncpy(c->name, *list, sizeof(c->name));
34 XFreeStringList(list);
35 }
36 }
37 XFree(name.value);
38 }
39
40 void
41 focus(Client *c)
42 {
43 Client **l;
44 for(l=&stack; *l && *l != c; l=&(*l)->snext);
45 eassert(*l == c);
46 *l = c->snext;
47 c->snext = stack;
48 stack = c;
49 XRaiseWindow(dpy, c->win);
50 XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
51 XFlush(dpy);
52 }
53
54 void
55 manage(Window w, XWindowAttributes *wa)
56 {
57 Client *c, **l;
58 XSetWindowAttributes twa;
59 long msize;
60
61 c = emallocz(sizeof(Client));
62 c->win = w;
63 c->r[RFloat].x = wa->x;
64 c->r[RFloat].y = wa->y;
65 c->r[RFloat].width = wa->width;
66 c->r[RFloat].height = wa->height;
67 c->border = wa->border_width;
68 XSetWindowBorderWidth(dpy, c->win, 0);
69 XGetTransientForHint(dpy, c->win, &c->trans);
70 if(!XGetWMNormalHints(dpy, c->win, &c->size, &msize) || !c->size.flags)
71 c->size.flags = PSize;
72 c->fixedsize =
73 (c->size.flags & PMinSize && c->size.flags & PMaxSize
74 && c->size.min_width == c->size.max_width
75 && c->size.min_height == c->size.max_height);
76 update_name(c);
77 twa.override_redirect = 1;
78 twa.background_pixmap = ParentRelative;
79 twa.event_mask = ExposureMask;
80
81 c->title = XCreateWindow(dpy, root, c->r[RFloat].x, c->r[RFloat].y,
82 c->r[RFloat].width, barrect.height, 0,
83 DefaultDepth(dpy, screen), CopyFromParent,
84 DefaultVisual(dpy, screen),
85 CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);
86
87 for(l=&clients; *l; l=&(*l)->next);
88 c->next = *l; /* *l == nil */
89 *l = c;
90 c->snext = stack;
91 stack = c;
92 XMapWindow(dpy, c->win);
93 focus(c);
94 }
95
96 static int
97 dummy_error_handler(Display *dpy, XErrorEvent *error)
98 {
99 return 0;
100 }
101
102 void
103 unmanage(Client *c)
104 {
105 Client **l;
106
107 XGrabServer(dpy);
108 XSetErrorHandler(dummy_error_handler);
109
110 XUnmapWindow(dpy, c->win);
111 XDestroyWindow(dpy, c->title);
112
113 for(l=&clients; *l && *l != c; l=&(*l)->next);
114 eassert(*l == c);
115 *l = c->next;
116 for(l=&stack; *l && *l != c; l=&(*l)->snext);
117 eassert(*l == c);
118 *l = c->snext;
119 free(c);
120
121 XFlush(dpy);
122 XSetErrorHandler(error_handler);
123 XUngrabServer(dpy);
124 flush_events(EnterWindowMask);
125 if(stack)
126 focus(stack);
127 }
128
129
130 Client *
131 getclient(Window w)
132 {
133 Client *c;
134 for(c = clients; c; c = c->next)
135 if(c->win == w)
136 return c;
137 return NULL;
138 }
139
140 void
141 draw_client(Client *c)
142 {
143
144
145
146 }