several changes, new stuff
[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 if(c == stack)
39 draw_bar();
40 else
41 draw_client(c);
42 }
43
44 void
45 focus(Client *c)
46 {
47 Client **l;
48 for(l=&stack; *l && *l != c; l=&(*l)->snext);
49 eassert(*l == c);
50 *l = c->snext;
51 c->snext = stack;
52 stack = c;
53 XRaiseWindow(dpy, c->win);
54 XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
55 XFlush(dpy);
56 }
57
58 void
59 manage(Window w, XWindowAttributes *wa)
60 {
61 Client *c, **l;
62 XSetWindowAttributes twa;
63 long msize;
64
65 c = emallocz(sizeof(Client));
66 c->win = w;
67 c->r[RFloat].x = wa->x;
68 c->r[RFloat].y = wa->y;
69 c->r[RFloat].width = wa->width;
70 c->r[RFloat].height = wa->height;
71 c->border = wa->border_width;
72 XSetWindowBorderWidth(dpy, c->win, 0);
73 XSelectInput(dpy, c->win, StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
74 XGetTransientForHint(dpy, c->win, &c->trans);
75 if(!XGetWMNormalHints(dpy, c->win, &c->size, &msize) || !c->size.flags)
76 c->size.flags = PSize;
77 c->fixedsize =
78 (c->size.flags & PMinSize && c->size.flags & PMaxSize
79 && c->size.min_width == c->size.max_width
80 && c->size.min_height == c->size.max_height);
81 update_name(c);
82 twa.override_redirect = 1;
83 twa.background_pixmap = ParentRelative;
84 twa.event_mask = ExposureMask;
85
86 c->title = XCreateWindow(dpy, root, c->r[RFloat].x, c->r[RFloat].y,
87 c->r[RFloat].width, barrect.height, 0,
88 DefaultDepth(dpy, screen), CopyFromParent,
89 DefaultVisual(dpy, screen),
90 CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);
91
92 for(l=&clients; *l; l=&(*l)->next);
93 c->next = *l; /* *l == nil */
94 *l = c;
95 c->snext = stack;
96 stack = c;
97 XMapWindow(dpy, c->win);
98 focus(c);
99 }
100
101 static int
102 dummy_error_handler(Display *dpy, XErrorEvent *error)
103 {
104 return 0;
105 }
106
107 void
108 unmanage(Client *c)
109 {
110 Client **l;
111
112 XGrabServer(dpy);
113 XSetErrorHandler(dummy_error_handler);
114
115 XUnmapWindow(dpy, c->win);
116 XDestroyWindow(dpy, c->title);
117
118 for(l=&clients; *l && *l != c; l=&(*l)->next);
119 eassert(*l == c);
120 *l = c->next;
121 for(l=&stack; *l && *l != c; l=&(*l)->snext);
122 eassert(*l == c);
123 *l = c->snext;
124 free(c);
125
126 XFlush(dpy);
127 XSetErrorHandler(error_handler);
128 XUngrabServer(dpy);
129 flush_events(EnterWindowMask);
130 if(stack)
131 focus(stack);
132 }
133
134
135 Client *
136 getclient(Window w)
137 {
138 Client *c;
139 for(c = clients; c; c = c->next)
140 if(c->win == w)
141 return c;
142 return NULL;
143 }
144
145 void
146 draw_client(Client *c)
147 {
148
149
150
151 }