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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
/*
* Copyright (C) 2005-2007 Authors:
* Ted Gould <ted@gould.cx>
* Johan Engelen <johan@shouraizou.nl> *
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <gtkmm/adjustment.h>
#include <gtkmm/box.h>
#include <gtkmm/spinbutton.h>
#include "xml/node.h"
#include "extension/extension.h"
#include "string.h"
#include "preferences.h"
namespace Inkscape {
namespace Extension {
/** \brief Free the allocated data. */
ParamString::~ParamString(void)
{
g_free(_value);
}
/** \brief A function to set the \c _value
\param in The value to set to
\param doc A document that should be used to set the value.
\param node The node where the value may be placed
This function sets the internal value, but it also sets the value
in the preferences structure. To put it in the right place, \c PREF_DIR
and \c pref_name() are used.
To copy the data into _value the old memory must be free'd first.
It is important to note that \c g_free handles \c NULL just fine. Then
the passed in value is duplicated using \c g_strdup().
*/
const gchar *
ParamString::set (const gchar * in, SPDocument * /*doc*/, Inkscape::XML::Node * /*node*/)
{
if (in == NULL) return NULL; /* Can't have NULL string */
if (_value != NULL)
g_free(_value);
_value = g_strdup(in);
gchar * prefname = this->pref_name();
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
prefs->setString(extension_pref_root + prefname, _value);
g_free(prefname);
return _value;
}
/** \brief Return the value as a string */
void
ParamString::string (std::string &string)
{
if (_value == NULL)
return;
string += _value;
return;
}
/** \brief Initialize the object, to do that, copy the data. */
ParamString::ParamString (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) :
Parameter(name, guitext, desc, scope, gui_hidden, gui_tip, ext), _value(NULL)
{
const char * defaultval = NULL;
if (sp_repr_children(xml) != NULL)
defaultval = sp_repr_children(xml)->content();
gchar * pref_name = this->pref_name();
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
Glib::ustring paramval = prefs->getString(extension_pref_root + pref_name);
g_free(pref_name);
if (!paramval.empty())
defaultval = paramval.data();
if (defaultval != NULL)
_value = g_strdup(defaultval);
_max_length = 0;
return;
}
/** \brief A special type of Gtk::Entry to handle string parameteres */
class ParamStringEntry : public Gtk::Entry {
private:
ParamString * _pref;
SPDocument * _doc;
Inkscape::XML::Node * _node;
sigc::signal<void> * _changeSignal;
public:
/** \brief Build a string preference for the given parameter
\param pref Where to get the string from, and where to put it
when it changes.
*/
ParamStringEntry (ParamString * pref, SPDocument * doc, Inkscape::XML::Node * node, sigc::signal<void> * changeSignal) :
Gtk::Entry(), _pref(pref), _doc(doc), _node(node), _changeSignal(changeSignal) {
if (_pref->get(NULL, NULL) != NULL)
this->set_text(Glib::ustring(_pref->get(NULL, NULL)));
this->set_max_length(_pref->getMaxLength()); //Set the max lenght - default zero means no maximum
this->signal_changed().connect(sigc::mem_fun(this, &ParamStringEntry::changed_text));
};
void changed_text (void);
};
/** \brief Respond to the text box changing
This function responds to the box changing by grabbing the value
from the text box and putting it in the parameter.
*/
void
ParamStringEntry::changed_text (void)
{
Glib::ustring data = this->get_text();
_pref->set(data.c_str(), _doc, _node);
if (_changeSignal != NULL) {
_changeSignal->emit();
}
return;
}
/**
\brief Creates a text box for the string parameter
Builds a hbox with a label and a text box in it.
*/
Gtk::Widget *
ParamString::get_widget (SPDocument * doc, Inkscape::XML::Node * node, sigc::signal<void> * changeSignal)
{
if (_gui_hidden) return NULL;
Gtk::HBox * hbox = Gtk::manage(new Gtk::HBox(false, 4));
Gtk::Label * label = Gtk::manage(new Gtk::Label(_(_text), Gtk::ALIGN_LEFT));
label->show();
hbox->pack_start(*label, false, false);
ParamStringEntry * textbox = new ParamStringEntry(this, doc, node, changeSignal);
textbox->show();
hbox->pack_start(*textbox, true, true);
hbox->show();
return dynamic_cast<Gtk::Widget *>(hbox);
}
} /* namespace Extension */
} /* namespace Inkscape */
|
