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
|
/*
* Copyright © 2005 Christian Persch
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "config.h"
#include "ephy-action-helper.h"
#define SENSITIVITY_KEY "EphyAction::Sensitivity"
/**
* ephy_action_change_sensitivity_flags:
* @action: a #GtkAction object
* @flags: arbitrary combination of bit flags, defined by the user
* @set: %TRUE if @flags should be added to @action
*
* This helper function provides an extra layer on top of #GtkAction to
* manage its sensitivity. It uses bit @flags defined by the user, like
* in ephy-window.c, SENS_FLAG_*.
*
* Effectively, the @action won't be sensitive until it has no flags
* set. This means you can stack @flags for different events or
* conditions at the same time.
*/
void
ephy_action_change_sensitivity_flags (GtkAction *action,
guint flags,
gboolean set)
{
static GQuark sensitivity_quark = 0;
GObject *object = (GObject *) action;
guint value;
if (G_UNLIKELY (sensitivity_quark == 0))
{
sensitivity_quark = g_quark_from_static_string (SENSITIVITY_KEY);
}
value = GPOINTER_TO_UINT (g_object_get_qdata (object, sensitivity_quark));
if (set)
{
value |= flags;
}
else
{
value &= ~flags;
}
g_object_set_qdata (object, sensitivity_quark, GUINT_TO_POINTER (value));
gtk_action_set_sensitive (GTK_ACTION (action), value == 0);
}
|
