509ded032dcb37691400e7eb5b2301090fb510f0
1 /*
2 * Copyright (C) 2005-2007 Authors:
3 * Ted Gould <ted@gould.cx>
4 * Johan Engelen <johan@shouraizou.nl> *
5 * Released under GNU GPL, read the file 'COPYING' for more information
6 */
8 #ifdef HAVE_CONFIG_H
9 # include "config.h"
10 #endif
12 #include <gtkmm/adjustment.h>
13 #include <gtkmm/box.h>
14 #include <gtkmm/spinbutton.h>
16 #include <xml/node.h>
18 #include "../extension.h"
19 #include "bool.h"
21 namespace Inkscape {
22 namespace Extension {
24 /** \brief Use the superclass' allocator and set the \c _value */
25 ParamBool::ParamBool (const gchar * name, const gchar * guitext, const gchar * desc, const Parameter::_scope_t scope, bool gui_hidden, const gchar * gui_tip, Inkscape::Extension::Extension * ext, Inkscape::XML::Node * xml) :
26 Parameter(name, guitext, desc, scope, gui_hidden, gui_tip, ext), _value(false)
27 {
28 const char * defaultval = NULL;
29 if (sp_repr_children(xml) != NULL)
30 defaultval = sp_repr_children(xml)->content();
32 if (defaultval != NULL && (!strcmp(defaultval, "TRUE") || !strcmp(defaultval, "true") || !strcmp(defaultval, "1"))) {
33 _value = true;
34 } else {
35 _value = false;
36 }
38 gchar * pref_name = this->pref_name();
39 _value = (bool)prefs_get_int_attribute(PREF_DIR, pref_name, _value);
40 g_free(pref_name);
42 return;
43 }
45 /** \brief A function to set the \c _value
46 \param in The value to set to
47 \param doc A document that should be used to set the value.
48 \param node The node where the value may be placed
50 This function sets the internal value, but it also sets the value
51 in the preferences structure. To put it in the right place, \c PREF_DIR
52 and \c pref_name() are used.
53 */
54 bool
55 ParamBool::set( bool in, SPDocument * /*doc*/, Inkscape::XML::Node * /*node*/ )
56 {
57 _value = in;
59 gchar * prefname = this->pref_name();
60 prefs_set_int_attribute(PREF_DIR, prefname, _value == true ? 1 : 0);
61 g_free(prefname);
63 return _value;
64 }
66 /** \brief Returns \c _value */
67 bool
68 ParamBool::get (const SPDocument * doc, const Inkscape::XML::Node * node)
69 {
70 return _value;
71 }
73 /** \brief A check button which is Param aware. It works with the
74 parameter to change it's value as the check button changes
75 value. */
76 class ParamBoolCheckButton : public Gtk::CheckButton {
77 private:
78 /** \brief Param to change */
79 ParamBool * _pref;
80 SPDocument * _doc;
81 Inkscape::XML::Node * _node;
82 sigc::signal<void> * _changeSignal;
83 public:
84 /** \brief Initialize the check button
85 \param param Which parameter to adjust on changing the check button
87 This function sets the value of the checkbox to be that of the
88 parameter, and then sets up a callback to \c on_toggle.
89 */
90 ParamBoolCheckButton (ParamBool * param, SPDocument * doc, Inkscape::XML::Node * node, sigc::signal<void> * changeSignal) :
91 Gtk::CheckButton(), _pref(param), _doc(doc), _node(node), _changeSignal(changeSignal) {
92 this->set_active(_pref->get(NULL, NULL) /**\todo fix */);
93 this->signal_toggled().connect(sigc::mem_fun(this, &ParamBoolCheckButton::on_toggle));
94 return;
95 }
96 void on_toggle (void);
97 };
99 /**
100 \brief A function to respond to the check box changing
102 Adjusts the value of the preference to match that in the check box.
103 */
104 void
105 ParamBoolCheckButton::on_toggle (void)
106 {
107 _pref->set(this->get_active(), NULL /**\todo fix this */, NULL);
108 if (_changeSignal != NULL) {
109 _changeSignal->emit();
110 }
111 return;
112 }
114 /** \brief Return 'true' or 'false' */
115 void
116 ParamBool::string (std::string &string)
117 {
118 if (_value) {
119 string += "true";
120 } else {
121 string += "false";
122 }
124 return;
125 }
127 /**
128 \brief Creates a bool check button for a bool parameter
130 Builds a hbox with a label and a check button in it.
131 */
132 Gtk::Widget *
133 ParamBool::get_widget (SPDocument * doc, Inkscape::XML::Node * node, sigc::signal<void> * changeSignal)
134 {
135 if (_gui_hidden) return NULL;
136 Gtk::HBox * hbox = Gtk::manage(new Gtk::HBox(false, 4));
138 Gtk::Label * label = Gtk::manage(new Gtk::Label(_(_text), Gtk::ALIGN_LEFT));
139 label->show();
140 hbox->pack_start(*label, true, true);
142 ParamBoolCheckButton * checkbox = new ParamBoolCheckButton(this, doc, node, changeSignal);
143 checkbox->show();
144 hbox->pack_start(*checkbox, false, false);
146 hbox->show();
148 return dynamic_cast<Gtk::Widget *>(hbox);
149 }
151 } /* namespace Extension */
152 } /* namespace Inkscape */