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
|
/*
* ion/ioncore/selection.c
*
* Copyright (c) Tuomo Valkonen 1999-2007.
*
* See the included file LICENSE for details.
*/
#include <X11/Xmd.h>
#include <string.h>
#include "common.h"
#include "global.h"
#include "property.h"
#include "xwindow.h"
#include <libextl/extl.h>
static char *selection_data=NULL;
static int selection_length;
static bool continuation_set=FALSE;
static ExtlFn continuation;
void ioncore_handle_selection_request(XSelectionRequestEvent *ev)
{
XSelectionEvent sev;
const char *p[1];
if(selection_data==NULL)
return;
p[0]=selection_data;
xwindow_set_text_property(ev->requestor, ev->property, p, 1);
sev.type=SelectionNotify;
sev.requestor=ev->requestor;
sev.selection=ev->selection;
sev.target=ev->target;
sev.time=ev->time;
sev.property=ev->property;
XSendEvent(ioncore_g.dpy, ev->requestor, False, 0L, (XEvent*)&sev);
}
static void ins(Window win, const char *str, int n)
{
if(!continuation_set){
WWindow *wwin=XWINDOW_REGION_OF_T(win, WWindow);
if(wwin)
window_insstr(wwin, str, n);
}else{
char *tmp=scopyn(str, n);
if(tmp!=NULL){
extl_call(continuation, "s", NULL, tmp);
free(tmp);
}
}
}
static void insert_selection(Window win, Atom prop)
{
char **p=xwindow_get_text_property(win, prop, NULL);
if(p!=NULL){
ins(win, p[0], strlen(p[0]));
XFreeStringList(p);
}
}
static void insert_cutbuffer(Window win)
{
char *p;
int n;
p=XFetchBytes(ioncore_g.dpy, &n);
if(n<=0 || p==NULL)
return;
ins(win, p, n);
}
void ioncore_handle_selection(XSelectionEvent *ev)
{
Atom prop=ev->property;
Window win=ev->requestor;
if(prop==None){
insert_cutbuffer(win);
}else{
insert_selection(win, prop);
XDeleteProperty(ioncore_g.dpy, win, prop);
}
if(continuation_set){
extl_unref_fn(continuation);
continuation_set=FALSE;
}
}
void ioncore_clear_selection()
{
if(selection_data!=NULL){
free(selection_data);
selection_data=NULL;
}
}
void ioncore_set_selection_n(const char *p, int n)
{
if(selection_data!=NULL)
free(selection_data);
selection_data=ALLOC_N(char, n+1);
if(selection_data==NULL)
return;
memcpy(selection_data, p, n);
selection_data[n]='\0';
selection_length=n;
XStoreBytes(ioncore_g.dpy, p, n);
XSetSelectionOwner(ioncore_g.dpy, XA_PRIMARY,
DefaultRootWindow(ioncore_g.dpy),
CurrentTime);
}
/*EXTL_DOC
* Set primary selection and cutbuffer0 to \var{p}.
*/
EXTL_EXPORT
void ioncore_set_selection(const char *p)
{
if(p==NULL)
ioncore_clear_selection();
else
ioncore_set_selection_n(p, strlen(p));
}
void ioncore_request_selection_for(Window win)
{
Atom a=XA_STRING;
if(continuation_set){
extl_unref_fn(continuation);
continuation_set=FALSE;
}
if(ioncore_g.use_mb){
#ifdef X_HAVE_UTF8_STRING
a=XInternAtom(ioncore_g.dpy, "UTF8_STRING", True);
#else
a=XInternAtom(ioncore_g.dpy, "COMPOUND_TEXT", True);
#endif
}
XConvertSelection(ioncore_g.dpy, XA_PRIMARY, a,
ioncore_g.atom_selection, win, CurrentTime);
}
/*EXTL_DOC
* Request (string) selection. The function \var{fn} will be called
* with the selection when and if it is received.
*/
EXTL_EXPORT
void ioncore_request_selection(ExtlFn fn)
{
assert(ioncore_g.rootwins!=NULL);
ioncore_request_selection_for(ioncore_g.rootwins->dummy_win);
continuation=extl_ref_fn(fn);
continuation_set=TRUE;
}
|
