dwm-meillo

view client.c @ 22:bd3a44353916

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fixed several other stuff, coming closer to something useful
author Anselm R. Garbe <garbeam@wmii.de>
date Tue, 11 Jul 2006 23:46:39 +0200
parents 3ef108a5ca0a
children 95ffdfd0a819
line source
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 #define CLIENT_MASK (StructureNotifyMask | PropertyChangeMask | EnterWindowMask)
14
15 void
16 update_name(Client *c)
17 {
18 XTextProperty name;
19 int n;
20 char **list = NULL;
21
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 }
41
42 void
43 update_size(Client *c)
44 {
45 XSizeHints size;
46 long msize;
47 if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
48 size.flags = PSize;
49 c->flags = size.flags;
50 if(c->flags & PBaseSize) {
51 c->basew = size.base_width;
52 c->baseh = size.base_height;
53 }
54 else
55 c->basew = c->baseh = 0;
56 if(c->flags & PResizeInc) {
57 c->incw = size.width_inc;
58 c->inch = size.height_inc;
59 }
60 else
61 c->incw = c->inch = 0;
62 if(c->flags & PMaxSize) {
63 c->maxw = size.max_width;
64 c->maxh = size.max_height;
65 }
66 else
67 c->maxw = c->maxh = 0;
68 if(c->flags & PMinSize) {
69 c->minw = size.min_width;
70 c->minh = size.min_height;
71 }
72 else
73 c->minw = c->minh = 0;
74 }
75
76 void
77 focus(Client *c)
78 {
79 Client **l, *old;
80
81 old = stack;
82 for(l=&stack; *l && *l != c; l=&(*l)->snext);
83 eassert(*l == c);
84 *l = c->snext;
85 c->snext = stack;
86 stack = c;
87 XRaiseWindow(dpy, c->win);
88 XRaiseWindow(dpy, c->title);
89 XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
90 if(old && old != c) {
91 XMapWindow(dpy, old->title);
92 draw_client(old);
93 }
94 XUnmapWindow(dpy, c->title);
95 draw_bar();
96 XFlush(dpy);
97 }
98
99 void
100 manage(Window w, XWindowAttributes *wa)
101 {
102 Client *c, **l;
103 XSetWindowAttributes twa;
104
105 c = emallocz(sizeof(Client));
106 c->win = w;
107 c->tx = c->x = wa->x;
108 c->ty = c->y = wa->y;
109 c->tw = c->w = wa->width;
110 c->h = wa->height;
111 c->th = barrect.height;
112 update_size(c);
113 XSetWindowBorderWidth(dpy, c->win, 1);
114 XSetWindowBorder(dpy, c->win, brush.border);
115 XSelectInput(dpy, c->win, CLIENT_MASK);
116 XGetTransientForHint(dpy, c->win, &c->trans);
117 twa.override_redirect = 1;
118 twa.background_pixmap = ParentRelative;
119 twa.event_mask = SubstructureNotifyMask | ExposureMask;
120
121 c->title = XCreateWindow(dpy, root, c->tx, c->ty, c->tw, c->th,
122 0, DefaultDepth(dpy, screen), CopyFromParent,
123 DefaultVisual(dpy, screen),
124 CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);
125 update_name(c);
126
127 for(l=&clients; *l; l=&(*l)->next);
128 c->next = *l; /* *l == nil */
129 *l = c;
130 c->snext = stack;
131 stack = c;
132 XMapWindow(dpy, c->win);
133 XMapWindow(dpy, c->title);
134 XGrabButton(dpy, Button1, Mod1Mask, c->win, False, ButtonPressMask,
135 GrabModeAsync, GrabModeSync, None, None);
136 XGrabButton(dpy, Button2, Mod1Mask, c->win, False, ButtonPressMask,
137 GrabModeAsync, GrabModeSync, None, None);
138 XGrabButton(dpy, Button3, Mod1Mask, c->win, False, ButtonPressMask,
139 GrabModeAsync, GrabModeSync, None, None);
140 resize(c);
141 focus(c);
142 }
143
144 void
145 resize(Client *c)
146 {
147 XConfigureEvent e;
148
149 XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
150 e.type = ConfigureNotify;
151 e.event = c->win;
152 e.window = c->win;
153 e.x = c->x;
154 e.y = c->y;
155 e.width = c->w;
156 e.height = c->h;
157 e.border_width = 0;
158 e.above = None;
159 e.override_redirect = False;
160 XSelectInput(dpy, c->win, CLIENT_MASK & ~StructureNotifyMask);
161 XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&e);
162 XSelectInput(dpy, c->win, CLIENT_MASK);
163 XFlush(dpy);
164 }
165
166 static int
167 dummy_error_handler(Display *dpy, XErrorEvent *error)
168 {
169 return 0;
170 }
171
172 void
173 unmanage(Client *c)
174 {
175 Client **l;
176
177 XGrabServer(dpy);
178 XSetErrorHandler(dummy_error_handler);
179
180 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
181 XDestroyWindow(dpy, c->title);
182
183 for(l=&clients; *l && *l != c; l=&(*l)->next);
184 eassert(*l == c);
185 *l = c->next;
186 for(l=&stack; *l && *l != c; l=&(*l)->snext);
187 eassert(*l == c);
188 *l = c->snext;
189 free(c);
190
191 XFlush(dpy);
192 XSetErrorHandler(error_handler);
193 XUngrabServer(dpy);
194 discard_events(EnterWindowMask);
195 if(stack)
196 focus(stack);
197 }
198
199
200 Client *
201 getclient(Window w)
202 {
203 Client *c;
204 for(c = clients; c; c = c->next)
205 if(c->win == w)
206 return c;
207 return NULL;
208 }
209
210 void
211 draw_client(Client *c)
212 {
213 if(c == stack)
214 draw_bar();
215
216 c->tw = textwidth(&brush.font, c->name) + labelheight(&brush.font);
217 c->tx = c->x + c->w - c->tw + 2;
218 c->ty = c->y;
219 XMoveResizeWindow(dpy, c->title, c->tx, c->ty, c->tw, c->th);
220
221 brush.rect.x = brush.rect.y = 0;
222 brush.rect.width = c->tw;
223 brush.rect.height = c->th;
224
225 draw(dpy, &brush, True, c->name);
226 XCopyArea(dpy, brush.drawable, c->title, brush.gc,
227 0, 0, c->tw, c->th, 0, 0);
228 XFlush(dpy);
229 }