aewl
view client.c @ 20:4560e0882c1d
made code more readable
| author | Anselm R. Garbe <garbeam@wmii.de> |
|---|---|
| date | Tue, 11 Jul 2006 22:49:09 +0200 |
| parents | b5510d0c6d43 |
| children | 3ef108a5ca0a |
line source
1 /*
2 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
3 * See LICENSE file for license details.
4 */
6 #include <stdlib.h>
7 #include <string.h>
8 #include <X11/Xatom.h>
10 #include "util.h"
11 #include "wm.h"
13 #define CLIENT_MASK (StructureNotifyMask | PropertyChangeMask | EnterWindowMask)
15 void
16 update_name(Client *c)
17 {
18 XTextProperty name;
19 int n;
20 char **list = NULL;
22 name.nitems = 0;
23 c->name[0] = 0;
24 XGetTextProperty(dpy, c->win, &name, net_atom[NetWMName]);
25 if(!name.nitems)
26 XGetWMName(dpy, c->win, &name);
27 if(!name.nitems)
28 return;
29 if(name.encoding == XA_STRING)
30 strncpy(c->name, (char *)name.value, sizeof(c->name));
31 else {
32 if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
33 && n > 0 && *list)
34 {
35 strncpy(c->name, *list, sizeof(c->name));
36 XFreeStringList(list);
37 }
38 }
39 XFree(name.value);
40 if(c == stack)
41 draw_bar();
42 else
43 draw_client(c);
44 }
46 void
47 update_size(Client *c)
48 {
49 XSizeHints size;
50 long msize;
51 if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
52 size.flags = PSize;
53 c->flags = size.flags;
54 c->basew = size.base_width;
55 c->baseh = size.base_height;
56 c->incw = size.width_inc;
57 c->inch = size.height_inc;
58 c->maxw = size.max_width;
59 c->maxh = size.max_height;
60 c->minw = size.min_width;
61 c->minh = size.min_height;
62 }
64 void
65 focus(Client *c)
66 {
67 Client **l;
68 for(l=&stack; *l && *l != c; l=&(*l)->snext);
69 eassert(*l == c);
70 *l = c->snext;
71 c->snext = stack;
72 stack = c;
73 XRaiseWindow(dpy, c->win);
74 XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
75 XFlush(dpy);
76 }
78 void
79 manage(Window w, XWindowAttributes *wa)
80 {
81 Client *c, **l;
82 XSetWindowAttributes twa;
84 c = emallocz(sizeof(Client));
85 c->win = w;
86 c->x = wa->x;
87 c->y = wa->y;
88 c->w = wa->width;
89 c->h = wa->height;
90 update_size(c);
91 XSetWindowBorderWidth(dpy, c->win, 1);
92 XSelectInput(dpy, c->win, CLIENT_MASK);
93 XGetTransientForHint(dpy, c->win, &c->trans);
94 update_name(c);
95 twa.override_redirect = 1;
96 twa.background_pixmap = ParentRelative;
97 twa.event_mask = ExposureMask;
99 c->title = XCreateWindow(dpy, root, c->x, c->y, c->w, barrect.height,
100 0, DefaultDepth(dpy, screen), CopyFromParent,
101 DefaultVisual(dpy, screen),
102 CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);
104 for(l=&clients; *l; l=&(*l)->next);
105 c->next = *l; /* *l == nil */
106 *l = c;
107 c->snext = stack;
108 stack = c;
109 XMapWindow(dpy, c->win);
110 XGrabButton(dpy, Button1, Mod1Mask, c->win, False, ButtonPressMask,
111 GrabModeAsync, GrabModeSync, None, None);
112 XGrabButton(dpy, Button2, Mod1Mask, c->win, False, ButtonPressMask,
113 GrabModeAsync, GrabModeSync, None, None);
114 XGrabButton(dpy, Button3, Mod1Mask, c->win, False, ButtonPressMask,
115 GrabModeAsync, GrabModeSync, None, None);
116 focus(c);
117 }
119 void
120 resize(Client *c)
121 {
122 XConfigureEvent e;
124 XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
125 e.type = ConfigureNotify;
126 e.event = c->win;
127 e.window = c->win;
128 e.x = c->x;
129 e.y = c->y;
130 e.width = c->w;
131 e.height = c->h;
132 e.border_width = 0;
133 e.above = None;
134 e.override_redirect = False;
135 XSelectInput(dpy, c->win, CLIENT_MASK & ~StructureNotifyMask);
136 XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&e);
137 XSelectInput(dpy, c->win, CLIENT_MASK);
138 XFlush(dpy);
139 }
141 static int
142 dummy_error_handler(Display *dpy, XErrorEvent *error)
143 {
144 return 0;
145 }
147 void
148 unmanage(Client *c)
149 {
150 Client **l;
152 XGrabServer(dpy);
153 XSetErrorHandler(dummy_error_handler);
155 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
156 XUnmapWindow(dpy, c->win);
157 XDestroyWindow(dpy, c->title);
159 for(l=&clients; *l && *l != c; l=&(*l)->next);
160 eassert(*l == c);
161 *l = c->next;
162 for(l=&stack; *l && *l != c; l=&(*l)->snext);
163 eassert(*l == c);
164 *l = c->snext;
165 free(c);
167 XFlush(dpy);
168 XSetErrorHandler(error_handler);
169 XUngrabServer(dpy);
170 discard_events(EnterWindowMask);
171 if(stack)
172 focus(stack);
173 }
176 Client *
177 getclient(Window w)
178 {
179 Client *c;
180 for(c = clients; c; c = c->next)
181 if(c->win == w)
182 return c;
183 return NULL;
184 }
186 void
187 draw_client(Client *c)
188 {
192 }