1 /** \file
2 *
3 Implementation of tolerance slider widget.
4 *
5 * Authors:
6 * Ralf Stephan <ralf@ark.in-berlin.de>
7 *
8 * Copyright (C) 2006 Authors
9 *
10 * Released under GNU GPL. Read the file 'COPYING' for more information
11 */
13 #ifdef HAVE_CONFIG_H
14 # include <config.h>
15 #endif
17 #include <gtkmm/adjustment.h>
18 #include <gtkmm/box.h>
19 #include <gtkmm/label.h>
20 #include <gtkmm/scale.h>
22 #include "xml/repr.h"
23 #include "svg/stringstream.h"
25 #include "inkscape.h"
26 #include "document.h"
27 #include "desktop-handles.h"
28 #include "sp-namedview.h"
30 #include "registry.h"
31 #include "tolerance-slider.h"
33 namespace Inkscape {
34 namespace UI {
35 namespace Widget {
37 //===================================================
39 //---------------------------------------------------
43 //====================================================
45 ToleranceSlider::ToleranceSlider()
46 : _vbox(0)
47 {
48 }
50 ToleranceSlider::~ToleranceSlider()
51 {
52 if (_vbox) delete _vbox;
53 _scale_changed_connection.disconnect();
54 }
56 void
57 ToleranceSlider::init (const Glib::ustring& label1, const Glib::ustring& label2, const Glib::ustring& tip1, const Glib::ustring& tip2, const Glib::ustring& key, Registry& wr)
58 {
59 // hbox = label + slider
60 //
61 // e.g.
62 //
63 // snap distance |-------X---| 37
65 // vbox = checkbutton
66 // +
67 // hbox
69 _vbox = new Gtk::VBox;
70 _hbox = manage (new Gtk::HBox);
72 Gtk::Label *theLabel1 = manage (new Gtk::Label (label1));
73 theLabel1->set_use_underline();
74 theLabel1->set_alignment(0, 0.5);
75 // align the label with the checkbox text above by indenting 22 px.
76 _hbox->pack_start(*theLabel1, Gtk::PACK_EXPAND_WIDGET, 22);
77 _hscale = manage (new Gtk::HScale (1.0, 51, 1.0));
78 theLabel1->set_mnemonic_widget (*_hscale);
79 _hscale->set_draw_value (true);
80 _hscale->set_value_pos (Gtk::POS_RIGHT);
81 _hscale->set_size_request (100, -1);
82 _old_val = 10;
83 _hscale->set_value (_old_val);
84 _tt.set_tip (*_hscale, tip1);
85 _hbox->add (*_hscale);
88 Gtk::Label *theLabel2 = manage (new Gtk::Label (label2));
89 theLabel2->set_use_underline();
90 _button = manage (new Gtk::CheckButton);
91 _tt.set_tip (*_button, tip2);
92 _button->add (*theLabel2);
93 _button->set_alignment (0.0, 0.5);
95 _vbox->add (*_button);
96 // Here we need some extra pixels to get the vertical spacing right. Why?
97 _vbox->pack_end(*_hbox, true, true, 3); // add 3 px.
98 _key = key;
99 _scale_changed_connection = _hscale->signal_value_changed().connect (sigc::mem_fun (*this, &ToleranceSlider::on_scale_changed));
100 _btn_toggled_connection = _button->signal_toggled().connect (sigc::mem_fun (*this, &ToleranceSlider::on_toggled));
101 _wr = ≀
102 _vbox->show_all_children();
103 }
105 void
106 ToleranceSlider::setValue (double val)
107 {
108 Gtk::Adjustment *adj = _hscale->get_adjustment();
110 adj->set_lower (1.0);
111 adj->set_upper (51.0);
112 adj->set_step_increment (1.0);
114 if (val > 9999.9) // magic value 10000.0
115 {
116 _button->set_active (true);
117 _hbox->set_sensitive (false);
118 val = 50.0;
119 }
120 else
121 {
122 _button->set_active (false);
123 _hbox->set_sensitive (true);
124 }
125 _hscale->set_value (val);
126 _hbox->show_all();
127 }
129 void
130 ToleranceSlider::setLimits (double theMin, double theMax)
131 {
132 _hscale->set_range (theMin, theMax);
133 _hscale->get_adjustment()->set_step_increment (1);
134 }
136 void
137 ToleranceSlider::on_scale_changed()
138 {
139 update (_hscale->get_value());
140 }
142 void
143 ToleranceSlider::on_toggled()
144 {
145 if (_button->get_active())
146 {
147 _old_val = _hscale->get_value();
148 _hbox->set_sensitive (false);
149 _hbox->show_all();
150 setValue (10000.0);
151 update (10000.0);
152 }
153 else
154 {
155 _hbox->set_sensitive (true);
156 _hbox->show_all();
157 setValue (_old_val);
158 update (_old_val);
159 }
160 }
162 void
163 ToleranceSlider::update (double val)
164 {
165 if (_wr->isUpdating())
166 return;
168 SPDesktop *dt = SP_ACTIVE_DESKTOP;
169 if (!dt)
170 return;
172 Inkscape::SVGOStringStream os;
173 os << val;
175 _wr->setUpdating (true);
177 SPDocument *doc = sp_desktop_document(dt);
178 bool saved = sp_document_get_undo_sensitive (doc);
179 sp_document_set_undo_sensitive (doc, false);
180 Inkscape::XML::Node *repr = SP_OBJECT_REPR (sp_desktop_namedview(dt));
181 repr->setAttribute(_key.c_str(), os.str().c_str());
182 doc->rroot->setAttribute("sodipodi:modified", "true");
183 sp_document_set_undo_sensitive (doc, saved);
185 _wr->setUpdating (false);
186 }
189 } // namespace Dialog
190 } // namespace UI
191 } // namespace Inkscape
193 /*
194 Local Variables:
195 mode:c++
196 c-file-style:"stroustrup"
197 c-file-offsets:((innamespace . 0)(inline-open . 0))
198 indent-tabs-mode:nil
199 fill-column:99
200 End:
201 */
202 // vim: filetype=c++:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :