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
|
#include <string.h>
#include <gtk/gtk.h>
#include "lassi-server.h"
#define LASSI_MARKER "application/x-mango-lassi-marker"
static void targets_received(GtkClipboard *clipboard, GdkAtom *atoms, int n_atoms, gpointer userdata) {
int j, k;
LassiClipboardInfo *i = userdata;
char **targets;
g_assert(clipboard);
g_assert(i);
g_debug("recvd targs %p, %i", (void*) atoms, n_atoms);
if (!atoms)
return;
targets = g_new0(char*, n_atoms+1);
for (j = 0, k = 0; j < n_atoms; j++) {
char *c = gdk_atom_name(atoms[j]);
/* Avoid loops */
if (strcmp(c, LASSI_MARKER) == 0) {
g_free(c);
goto fail;
}
if (strcmp(c, "TIMESTAMP") == 0 ||
strcmp(c, "TARGETS") == 0 ||
strcmp(c, "CLIPBOARD_MANAGER") == 0 ||
strcmp(c, "CLIENT_WINDOW") == 0 ||
strcmp(c, "DELETE") == 0 ||
strcmp(c, "INSERT_PROPERTY") == 0 ||
strcmp(c, "INSERT_SELECTION") == 0 ||
strcmp(c, "LENGTH") == 0 ||
strcmp(c, "TASK") == 0 ||
strcmp(c, "MULTIPLE") == 0 ||
strcmp(c, "DRAWABLE") == 0) {
g_free(c);
continue;
}
targets[k++] = c;
}
g_debug("%p %i", (void*) targets, n_atoms);
lassi_server_acquire_clipboard(i->server, clipboard == i->primary, targets);
fail:
g_strfreev(targets);
}
static void owner_change(GtkClipboard *clipboard, GdkEventOwnerChange *event, gpointer userdata) {
LassiClipboardInfo *i = userdata;
g_assert(clipboard);
g_assert(i);
g_debug("owner change");
if (event->reason == GDK_OWNER_CHANGE_NEW_OWNER)
gtk_clipboard_request_targets(clipboard, targets_received, i);
else
lassi_server_return_clipboard(i->server, clipboard == i->primary);
}
static void get_func(GtkClipboard *clipboard, GtkSelectionData *sd, guint info, gpointer userdata) {
LassiClipboardInfo *i = userdata;
char *t;
int f = 0;
gpointer d = NULL;
gint l = 0;
g_assert(clipboard);
g_assert(i);
t = gdk_atom_name(sd->target);
g_debug("get(%s)", t);
if (lassi_server_get_clipboard(i->server, clipboard == i->primary, t, &f, &d, &l) >= 0) {
g_debug("successfully got data");
gtk_selection_data_set(sd, sd->target, f, d, l);
} else
g_debug("failed to get data");
g_free(d);
g_free(t);
}
static void clear_func(GtkClipboard *clipboard, gpointer userdata) {
LassiClipboardInfo *i = userdata;
g_assert(clipboard);
g_assert(i);
g_debug("clear");
gtk_clipboard_request_targets(clipboard, targets_received, i);
}
int lassi_clipboard_init(LassiClipboardInfo *i, LassiServer *s) {
g_assert(i);
g_assert(s);
memset(i, 0, sizeof(*i));
i->server = s;
i->clipboard = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
i->primary = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
g_signal_connect(i->clipboard, "owner_change", G_CALLBACK(owner_change), i);
g_signal_connect(i->primary, "owner_change", G_CALLBACK(owner_change), i);
return 0;
}
void lassi_clipboard_done(LassiClipboardInfo *i) {
g_assert(i);
memset(i, 0, sizeof(*i));
}
void lassi_clipboard_set(LassiClipboardInfo *i, gboolean primary, char *targets[]) {
int n = 0, j;
gboolean b;
char **t;
GtkTargetEntry *e;
for (t = targets; *t; t++)
n++;
e = g_new0(GtkTargetEntry, n+1);
for (t = targets, j = 0; *t; t++, j++) {
e[j].target = *t;
e[j].info = j;
}
e[j].target = (char*) LASSI_MARKER;
e[j].info = j;
g_debug("setting %i targets", n+1);
b = gtk_clipboard_set_with_data(primary ? i->primary : i->clipboard, e, n+1, get_func, clear_func, i);
g_assert(b);
}
void lassi_clipboard_clear(LassiClipboardInfo *i, gboolean primary) {
g_assert(i);
gtk_clipboard_clear(primary ? i->primary : i->clipboard);
}
int lassi_clipboard_get(LassiClipboardInfo *i, gboolean primary, const char *target, int *f, gpointer *p, int *l) {
GtkSelectionData*sd;
g_assert(i);
if (!(sd = gtk_clipboard_wait_for_contents(primary ? i->primary : i->clipboard, gdk_atom_intern(target, TRUE))))
return -1;
g_assert(sd->length > 0);
*f = sd->format;
*p = g_memdup(sd->data, sd->length);
*l = sd->length;
gtk_selection_data_free(sd);
return 0;
}
|
