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
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2005-2007 Authors:
* Ted Gould <ted@gould.cx>
* Johan Engelen <johan@shouraizou.nl> *
* Jon A. Cruz <jon@joncruz.org>
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "parameter-bool.h"
#include <gtkmm/box.h>
#include <gtkmm/checkbutton.h>
#include "xml/node.h"
#include "extension/extension.h"
#include "preferences.h"
namespace Inkscape {
namespace Extension {
ParamBool::ParamBool(Inkscape::XML::Node *xml, Inkscape::Extension::Extension *ext)
: InxParameter(xml, ext)
{
// get value
if (xml->firstChild()) {
const char *value = xml->firstChild()->content();
if (value) {
if (!strcmp(value, "true")) {
_value = true;
} else if (!strcmp(value, "false")) {
_value = false;
} else {
g_warning("Invalid default value ('%s') for parameter '%s' in extension '%s'",
value, _name, _extension->get_id());
}
}
}
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
_value = prefs->getBool(pref_name(), _value);
}
bool ParamBool::set(bool in)
{
_value = in;
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
prefs->setBool(pref_name(), _value);
return _value;
}
bool ParamBool::get() const
{
return _value;
}
/**
* A check button which is Param aware. It works with the
* parameter to change it's value as the check button changes
* value.
*/
class ParamBoolCheckButton : public Gtk::CheckButton {
public:
/**
* Initialize the check button.
* This function sets the value of the checkbox to be that of the
* parameter, and then sets up a callback to \c on_toggle.
*
* @param param Which parameter to adjust on changing the check button
*/
ParamBoolCheckButton(ParamBool *param, char *label, sigc::signal<void> *changeSignal)
: Gtk::CheckButton(label)
, _pref(param)
, _changeSignal(changeSignal) {
this->set_active(_pref->get());
this->signal_toggled().connect(sigc::mem_fun(this, &ParamBoolCheckButton::on_toggle));
return;
}
/**
* A function to respond to the check box changing.
* Adjusts the value of the preference to match that in the check box.
*/
void on_toggle ();
private:
/** Param to change. */
ParamBool *_pref;
sigc::signal<void> *_changeSignal;
};
void ParamBoolCheckButton::on_toggle()
{
_pref->set(this->get_active());
if (_changeSignal != nullptr) {
_changeSignal->emit();
}
return;
}
std::string ParamBool::value_to_string() const
{
if (_value) {
return "true";
}
return "false";
}
Gtk::Widget *ParamBool::get_widget(sigc::signal<void> *changeSignal)
{
if (_hidden) {
return nullptr;
}
auto hbox = Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_HORIZONTAL, GUI_PARAM_WIDGETS_SPACING));
hbox->set_homogeneous(false);
ParamBoolCheckButton * checkbox = Gtk::manage(new ParamBoolCheckButton(this, _text, changeSignal));
checkbox->show();
hbox->pack_start(*checkbox, false, false);
hbox->show();
return dynamic_cast<Gtk::Widget *>(hbox);
}
} /* namespace Extension */
} /* namespace Inkscape */
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
|