1 /**
2 * \brief Groups an HScale and a SpinButton together using the same Adjustment
3 *
4 * Author:
5 * Nicholas Bishop <nicholasbishop@gmail.com>
6 *
7 * Copyright (C) 2007 Author
8 *
9 * Released under GNU GPL. Read the file 'COPYING' for more information.
10 */
12 #include "glib/gstrfuncs.h"
13 #include "glibmm/i18n.h"
15 #include "spin-slider.h"
17 namespace Inkscape {
18 namespace UI {
19 namespace Widget {
21 SpinSlider::SpinSlider(double value, double lower, double upper, double step_inc,
22 double climb_rate, int digits, const SPAttributeEnum a)
23 : AttrWidget(a), _adjustment(value, lower, upper, step_inc),
24 _scale(_adjustment), _spin(_adjustment, climb_rate, digits)
25 {
26 signal_value_changed().connect(signal_attr_changed().make_slot());
28 pack_start(_scale);
29 pack_start(_spin, false, false);
31 _scale.set_draw_value(false);
33 show_all_children();
34 }
36 Glib::ustring SpinSlider::get_as_attribute() const
37 {
38 const double val = _adjustment.get_value();
40 if(_spin.get_digits() == 0)
41 return Glib::Ascii::dtostr((int)val);
42 else
43 return Glib::Ascii::dtostr(val);
44 }
46 void SpinSlider::set_from_attribute(SPObject* o)
47 {
48 const gchar* val = attribute_value(o);
49 if(val)
50 _adjustment.set_value(Glib::Ascii::strtod(val));
51 }
53 Glib::SignalProxy0<void> SpinSlider::signal_value_changed()
54 {
55 return _adjustment.signal_value_changed();
56 }
58 double SpinSlider::get_value() const
59 {
60 return _adjustment.get_value();
61 }
63 void SpinSlider::set_value(const double val)
64 {
65 _adjustment.set_value(val);
66 }
68 const Gtk::Adjustment& SpinSlider::get_adjustment() const
69 {
70 return _adjustment;
71 }
72 Gtk::Adjustment& SpinSlider::get_adjustment()
73 {
74 return _adjustment;
75 }
77 const Gtk::HScale& SpinSlider::get_scale() const
78 {
79 return _scale;
80 }
81 Gtk::HScale& SpinSlider::get_scale()
82 {
83 return _scale;
84 }
86 const Gtk::SpinButton& SpinSlider::get_spin_button() const
87 {
88 return _spin;
89 }
90 Gtk::SpinButton& SpinSlider::get_spin_button()
91 {
92 return _spin;
93 }
95 void SpinSlider::set_update_policy(const Gtk::UpdateType u)
96 {
97 _scale.set_update_policy(u);
98 }
100 void SpinSlider::remove_scale()
101 {
102 remove(_scale);
103 }
105 DualSpinSlider::DualSpinSlider(double value, double lower, double upper, double step_inc,
106 double climb_rate, int digits, const SPAttributeEnum a)
107 : AttrWidget(a),
108 _s1(value, lower, upper, step_inc, climb_rate, digits),
109 _s2(value, lower, upper, step_inc, climb_rate, digits),
110 _link(_("Link"))
111 {
112 signal_value_changed().connect(signal_attr_changed().make_slot());
114 _s1.get_adjustment().signal_value_changed().connect(_signal_value_changed.make_slot());
115 _s2.get_adjustment().signal_value_changed().connect(_signal_value_changed.make_slot());
116 _s1.get_adjustment().signal_value_changed().connect(sigc::mem_fun(*this, &DualSpinSlider::update_linked));
117 _link.signal_toggled().connect(sigc::mem_fun(*this, &DualSpinSlider::link_toggled));
119 Gtk::VBox* vb = Gtk::manage(new Gtk::VBox);
120 vb->add(_s1);
121 vb->add(_s2);
122 pack_start(*vb);
123 pack_start(_link, false, false);
124 _link.set_active(true);
126 show_all();
127 }
129 Glib::ustring DualSpinSlider::get_as_attribute() const
130 {
131 if(_link.get_active())
132 return _s1.get_as_attribute();
133 else
134 return _s1.get_as_attribute() + " " + _s2.get_as_attribute();
135 }
137 void DualSpinSlider::set_from_attribute(SPObject* o)
138 {
139 const gchar* val = attribute_value(o);
140 if(val) {
141 // Split val into parts
142 gchar** toks = g_strsplit(val, " ", 2);
144 if(toks) {
145 double v1, v2;
146 if(toks[0])
147 v1 = v2 = Glib::Ascii::strtod(toks[0]);
148 if(toks[1])
149 v2 = Glib::Ascii::strtod(toks[1]);
151 _link.set_active(toks[1] == 0);
153 _s1.get_adjustment().set_value(v1);
154 _s2.get_adjustment().set_value(v2);
156 g_strfreev(toks);
157 }
158 }
159 }
161 sigc::signal<void>& DualSpinSlider::signal_value_changed()
162 {
163 return _signal_value_changed;
164 }
166 const SpinSlider& DualSpinSlider::get_spinslider1() const
167 {
168 return _s1;
169 }
171 SpinSlider& DualSpinSlider::get_spinslider1()
172 {
173 return _s1;
174 }
176 const SpinSlider& DualSpinSlider::get_spinslider2() const
177 {
178 return _s2;
179 }
181 SpinSlider& DualSpinSlider::get_spinslider2()
182 {
183 return _s2;
184 }
186 void DualSpinSlider::set_update_policy(const Gtk::UpdateType u)
187 {
188 _s1.set_update_policy(u);
189 _s2.set_update_policy(u);
190 }
192 void DualSpinSlider::remove_scale()
193 {
194 _s1.remove_scale();
195 _s2.remove_scale();
196 }
198 void DualSpinSlider::link_toggled()
199 {
200 _s2.set_sensitive(!_link.get_active());
201 update_linked();
202 }
204 void DualSpinSlider::update_linked()
205 {
206 if(_link.get_active())
207 _s2.set_value(_s1.get_value());
208 }
210 } // namespace Widget
211 } // namespace UI
212 } // namespace Inkscape
214 /*
215 Local Variables:
216 mode:c++
217 c-file-style:"stroustrup"
218 c-file-offsets:((innamespace . 0)(inline-open . 0))
219 indent-tabs-mode:nil
220 fill-column:99
221 End:
222 */
223 // vim: filetype=c++:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :