summaryrefslogtreecommitdiffstats
path: root/src/extension/param/int.cpp
blob: d762399d06c85c40485f274879337d8828f6bb1c (plain)
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
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
/*
 * 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, read the file 'COPYING' for more information
 */

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include "ui/widget/spin-scale.h"
#include "ui/widget/spinbutton.h"
#include <gtkmm/adjustment.h>
#include <gtkmm/box.h>
#include <gtkmm/scale.h>

#include "extension/extension.h"
#include "int.h"
#include "preferences.h"
#include "xml/node.h"

namespace Inkscape {
namespace Extension {


/** Use the superclass' allocator and set the \c _value. */
ParamInt::ParamInt(const gchar * name,
                   const gchar * text,
                   const gchar * description,
                   bool hidden,
                   int indent,
                   Inkscape::Extension::Extension * ext,
                   Inkscape::XML::Node * xml,
                   AppearanceMode mode)
    : Parameter(name, text, description, hidden, indent, ext)
    , _value(0)
    , _mode(mode)
    , _min(0)
    , _max(10)
{
    const char * defaultval = NULL;
    if (xml->firstChild() != NULL) {
        defaultval = xml->firstChild()->content();
    }
    if (defaultval != NULL) {
        _value = atoi(defaultval);
    }

    const char * maxval = xml->attribute("max");
    if (maxval != NULL) {
        _max = atoi(maxval);
    }

    const char * minval = xml->attribute("min");
    if (minval != NULL) {
        _min = atoi(minval);
    }
    /* We're handling this by just killing both values */
    if (_max < _min) {
        _max = 10;
        _min = 0;
    }

    gchar *pref_name = this->pref_name();
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
    _value = prefs->getInt(extension_pref_root + pref_name, _value);
    g_free(pref_name);

    // std::cout << "New Int::  value: " << _value << "  max: " << _max << "  min: " << _min << std::endl;

    if (_value > _max) {
        _value = _max;
    }
    if (_value < _min) {
        _value = _min;
    }
}

/**
 * A function to set the \c _value.
 * 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.
 *
 * @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.
 */
int ParamInt::set(int in, SPDocument * /*doc*/, Inkscape::XML::Node * /*node*/)
{
    _value = in;
    if (_value > _max) {
        _value = _max;
    }
    if (_value < _min) {
        _value = _min;
    }

    gchar * prefname = this->pref_name();
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
    prefs->setInt(extension_pref_root + prefname, _value);
    g_free(prefname);

    return _value;
}

/** A class to make an adjustment that uses Extension params. */
class ParamIntAdjustment : public Gtk::Adjustment {
    /** The parameter to adjust. */
    ParamInt * _pref;
    SPDocument * _doc;
    Inkscape::XML::Node * _node;
    sigc::signal<void> * _changeSignal;
public:
    /** Make the adjustment using an extension and the string
        describing the parameter. */
    ParamIntAdjustment (ParamInt * param, SPDocument * doc, Inkscape::XML::Node * node, sigc::signal<void> * changeSignal) :
            Gtk::Adjustment(0.0, param->min(), param->max(), 1.0, 10.0, 0), _pref(param), _doc(doc), _node(node), _changeSignal(changeSignal) {
        this->set_value(_pref->get(NULL, NULL) /* \todo fix */);
        this->signal_value_changed().connect(sigc::mem_fun(this, &ParamIntAdjustment::val_changed));
    };

    void val_changed (void);
}; /* class ParamIntAdjustment */

/**
 * A function to respond to the value_changed signal from the adjustment.
 *
 * This function just grabs the value from the adjustment and writes
 * it to the parameter.  Very simple, but yet beautiful.
 */
void ParamIntAdjustment::val_changed(void)
{
    //std::cout << "Value Changed to: " << this->get_value() << std::endl;
    _pref->set((int)this->get_value(), _doc, _node);
    if (_changeSignal != NULL) {
        _changeSignal->emit();
    }
}

/**
 * Creates a Int Adjustment for a int parameter.
 *
 * Builds a hbox with a label and a int adjustment in it.
 */
Gtk::Widget *
ParamInt::get_widget (SPDocument * doc, Inkscape::XML::Node * node, sigc::signal<void> * changeSignal)
{
    if (_hidden) {
        return NULL;
    }

    Gtk::HBox * hbox = Gtk::manage(new Gtk::HBox(false, Parameter::GUI_PARAM_WIDGETS_SPACING));

    auto pia = new ParamIntAdjustment(this, doc, node, changeSignal);
    Glib::RefPtr<Gtk::Adjustment> fadjust(pia);

    if (_mode == FULL) {

        Glib::ustring text;
        if (_text != NULL)
            text = _text;
        UI::Widget::SpinScale *scale = new UI::Widget::SpinScale(text, fadjust, 0);
        scale->set_size_request(400, -1);
        scale->show();
        hbox->pack_start(*scale, true, true);
    }
    else if (_mode == MINIMAL) {
        Gtk::Label * label = Gtk::manage(new Gtk::Label(_text, Gtk::ALIGN_START));
        label->show();
        hbox->pack_start(*label, true, true);

	auto spin = Gtk::manage(new Inkscape::UI::Widget::SpinButton(fadjust, 1.0, 0));
        spin->show();
        hbox->pack_start(*spin, false, false);
    }

    hbox->show();

    return dynamic_cast<Gtk::Widget *>(hbox);
}

void ParamInt::string(std::string &string) const
{
    char startstring[32];
    sprintf(startstring, "%d", _value);
    string += startstring;
}

}  // 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 :