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
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
#include <cairo-xlib.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#include <X11/Xutil.h>
#include "runes.h"
static char *atom_names[RUNES_NUM_ATOMS] = {
"WM_DELETE_WINDOW",
"_NET_WM_PING",
"_NET_WM_PID",
"_NET_WM_ICON_NAME",
"_NET_WM_NAME",
"UTF8_STRING"
};
static void runes_init_wm_properties(RunesWindow *w, int argc, char *argv[])
{
pid_t pid;
XClassHint class_hints = { "runes", "runes" };
XWMHints wm_hints;
XSizeHints normal_hints;
wm_hints.flags = InputHint | StateHint;
wm_hints.input = True;
wm_hints.initial_state = NormalState;
/* XXX */
normal_hints.flags = 0;
XInternAtoms(w->dpy, atom_names, RUNES_NUM_ATOMS, False, w->atoms);
XSetWMProtocols(w->dpy, w->w, w->atoms, RUNES_NUM_PROTOCOL_ATOMS);
Xutf8SetWMProperties(w->dpy, w->w, "runes", "runes", argv, argc, &normal_hints, &wm_hints, &class_hints);
pid = getpid();
XChangeProperty(w->dpy, w->w, w->atoms[RUNES_ATOM_NET_WM_PID], XA_CARDINAL, 32, PropModeReplace, (unsigned char *)&pid, 1);
XChangeProperty(w->dpy, w->w, w->atoms[RUNES_ATOM_NET_WM_ICON_NAME], w->atoms[RUNES_ATOM_UTF8_STRING], 8, PropModeReplace, (unsigned char *)"runes", 5);
XChangeProperty(w->dpy, w->w, w->atoms[RUNES_ATOM_NET_WM_NAME], w->atoms[RUNES_ATOM_UTF8_STRING], 8, PropModeReplace, (unsigned char *)"runes", 5);
}
RunesWindow *runes_window_create(int argc, char *argv[])
{
RunesWindow *w;
unsigned long white;
XIM im;
w = malloc(sizeof(RunesWindow));
w->dpy = XOpenDisplay(NULL);
white = WhitePixel(w->dpy, DefaultScreen(w->dpy));
w->w = XCreateSimpleWindow(
w->dpy, DefaultRootWindow(w->dpy),
0, 0, 240, 80, 0, white, white
);
XSelectInput(w->dpy, w->w, StructureNotifyMask);
XMapWindow(w->dpy, w->w);
w->gc = XCreateGC(w->dpy, w->w, 0, NULL);
XSetForeground(w->dpy, w->gc, white);
for (;;) {
XEvent e;
XNextEvent(w->dpy, &e);
if (e.type == MapNotify) {
break;
}
}
XSetLocaleModifiers("");
im = XOpenIM(w->dpy, NULL, NULL, NULL);
w->ic = XCreateIC(
im,
XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
XNClientWindow, w->w,
XNFocusWindow, w->w,
NULL
);
if (w->ic == NULL) {
fprintf(stderr, "failed\n");
exit(1);
}
runes_init_wm_properties(w, argc, argv);
return w;
}
cairo_surface_t *runes_surface_create(RunesTerm *t)
{
Visual *vis;
XWindowAttributes attrs;
XGetWindowAttributes(t->w->dpy, t->w->w, &attrs);
vis = DefaultVisual(t->w->dpy, DefaultScreen(t->w->dpy));
return cairo_xlib_surface_create(t->w->dpy, t->w->w, vis, attrs.width, attrs.height);
}
static void runes_get_next_event(uv_work_t *req)
{
struct xlib_loop_data *data;
data = (struct xlib_loop_data *)req->data;
XNextEvent(data->data.t->w->dpy, &data->e);
}
static void runes_process_event(uv_work_t *req, int status)
{
struct xlib_loop_data *data;
XEvent *e;
RunesTerm *t;
UNUSED(status);
data = ((struct xlib_loop_data *)req->data);
e = &data->e;
t = data->data.t;
if (!XFilterEvent(e, None)) {
switch (e->type) {
case KeyPress: {
char *buf = NULL;
size_t len = 8;
KeySym sym;
Status s;
size_t chars;
buf = malloc(len);
for (;;) {
chars = Xutf8LookupString(t->w->ic, &e->xkey, buf, len - 1, &sym, &s);
if (s == XBufferOverflow) {
len = chars + 1;
buf = realloc(buf, len);
continue;
}
break;
}
runes_handle_keyboard_event(t, buf, chars);
free(buf);
break;
}
case ClientMessage: {
Atom a = e->xclient.data.l[0];
if (a == t->w->atoms[RUNES_ATOM_WM_DELETE_WINDOW]) {
runes_handle_close_window(t);
}
else if (a == t->w->atoms[RUNES_ATOM_NET_WM_PING]) {
e->xclient.window = DefaultRootWindow(t->w->dpy);
XSendEvent(
t->w->dpy, e->xclient.window, False,
SubstructureNotifyMask | SubstructureRedirectMask,
e
);
}
break;
}
default:
break;
}
}
if (t->loop) {
uv_queue_work(t->loop, req, runes_get_next_event, runes_process_event);
}
}
void runes_loop_init(RunesTerm *t, uv_loop_t *loop)
{
unsigned long mask;
void *data;
XGetICValues(t->w->ic, XNFilterEvents, &mask, NULL);
XSelectInput(t->w->dpy, t->w->w, mask|KeyPressMask|StructureNotifyMask);
XSetICFocus(t->w->ic);
data = malloc(sizeof(struct xlib_loop_data));
((struct loop_data *)data)->req.data = data;
((struct loop_data *)data)->t = t;
uv_queue_work(loop, data, runes_get_next_event, runes_process_event);
}
void runes_window_destroy(RunesWindow *w)
{
XIM im;
im = XIMOfIC(w->ic);
XDestroyIC(w->ic);
XCloseIM(im);
XFreeGC(w->dpy, w->gc);
XDestroyWindow(w->dpy, w->w);
XCloseDisplay(w->dpy);
free(w);
}
|
