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
|
/*
* Copyright (C) 2021 Igalia S.L.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
// GtkEmojiChooser is private in GTK 3, so this goes through some hoops to
// obtain its type code via g_type_from_name(). The main issue is that the
// type needs to have been previously registered, which in practice means
// triggering a call to gtk_emoji_chooser_get_type(), also a hidden private
// function.
//
// One point in the public API where an emoji chooser can be explicitly
// triggered is the GtkEntry.insert_emoji vfunc: either at that point the
// GtkEmojiChooser used by the entry has been already created, or it will
// be created by calling it. Object instantiation needs the type to be
// registered, so after making sure at least one instance is created it
// is safe to use g_type_from_name().
#include "config.h"
#include "WebKitEmojiChooser.h"
#if GTK_CHECK_VERSION(3, 24, 0) && !USE(GTK4)
#include <wtf/RunLoop.h>
#include <wtf/glib/GRefPtr.h>
GtkWidget* webkitEmojiChooserNew()
{
static GType chooserType = ([] {
GRefPtr<GtkWidget> entry = gtk_entry_new();
gtk_entry_set_input_hints(GTK_ENTRY(entry.get()), GTK_INPUT_HINT_EMOJI);
GtkEntryClass* entryClass = GTK_ENTRY_GET_CLASS(entry.get());
entryClass->insert_emoji(GTK_ENTRY(entry.get()));
// The emoji data is fetched in a delayed manner, so a direct call
// to g_object_unref(entry) results in critical warning due to an
// attempt to unref a yet unpopulated value. Arguably, GTK should do
// a null-check, but this code needs to work even for older versions
// of GTK which may be unpatched. Therefore, destroy the dummy entry
// in a low priority idle source, after the source that fills the data
// has been already dispatched.
GRefPtr<GSource> source = adoptGRef(g_idle_source_new());
g_source_set_callback(source.get(), [](void* data) {
g_object_unref(data);
return G_SOURCE_REMOVE;
}, entry.leakRef(), nullptr);
g_source_set_priority(source.get(), G_PRIORITY_LOW);
g_source_attach(source.get(), RunLoop::main().mainContext());
return g_type_from_name("GtkEmojiChooser");
})();
return GTK_WIDGET(g_object_new(chooserType, nullptr));
}
#endif // GTK_CHECK_VERSION(3, 24, 0) && !USE(GTK4)
|
