Move prefdialog to own directory

1 files changed, 205 insertions, 0 deletions

diff --git a/src/extension/prefdialog/param/float.cpp b/src/extension/prefdialog/param/float.cpp
new file mode 100644
index 000000000..661c533ca
--- /dev/null
+++ b/src/extension/prefdialog/param/float.cpp
@@ -0,0 +1,205 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * 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 v2+, read the file 'COPYING' for more information.
+ */
+
+#include <gtkmm/adjustment.h>
+#include <gtkmm/box.h>
+#include <gtkmm/scale.h>
+#include "ui/widget/spinbutton.h"
+#include "ui/widget/spin-scale.h"
+
+#include "xml/node.h"
+#include "extension/extension.h"
+#include "preferences.h"
+#include "./float.h"
+
+namespace Inkscape {
+namespace Extension {
+
+
+/** Use the superclass' allocator and set the \c _value. */
+ParamFloat::ParamFloat(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(0.0)
+    , _mode(mode)
+    , _min(0.0)
+    , _max(10.0)
+{
+    const gchar * defaultval = nullptr;
+    if (xml->firstChild() != nullptr) {
+        defaultval = xml->firstChild()->content();
+    }
+    if (defaultval != nullptr) {
+        _value = g_ascii_strtod (defaultval,nullptr);
+    }
+
+    const char * maxval = xml->attribute("max");
+    if (maxval != nullptr) {
+        _max = g_ascii_strtod (maxval,nullptr);
+    }
+
+    const char * minval = xml->attribute("min");
+    if (minval != nullptr) {
+        _min = g_ascii_strtod (minval,nullptr);
+    }
+
+    _precision = 1;
+    const char * precision = xml->attribute("precision");
+    if (precision != nullptr) {
+        _precision = atoi(precision);
+    }
+
+    /* We're handling this by just killing both values */
+    if (_max < _min) {
+        _max = 10.0;
+        _min = 0.0;
+    }
+
+    gchar * pref_name = this->pref_name();
+    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+    _value = prefs->getDouble(extension_pref_root + pref_name, _value);
+    g_free(pref_name);
+
+    // std::cout << "New Float::  value: " << _value << "  max: " << _max << "  min: " << _min << std::endl;
+
+    if (_value > _max) {
+        _value = _max;
+    }
+    if (_value < _min) {
+        _value = _min;
+    }
+
+    return;
+}
+
+/**
+ * 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.
+ */
+float ParamFloat::set(float 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->setDouble(extension_pref_root + prefname, _value);
+    g_free(prefname);
+
+    return _value;
+}
+
+void ParamFloat::string(std::string &string) const
+{
+    char startstring[G_ASCII_DTOSTR_BUF_SIZE];
+    g_ascii_dtostr(startstring, G_ASCII_DTOSTR_BUF_SIZE, _value);
+    string += startstring;
+    return;
+}
+
+/** A class to make an adjustment that uses Extension params. */
+class ParamFloatAdjustment : public Gtk::Adjustment {
+    /** The parameter to adjust. */
+    ParamFloat * _pref;
+    SPDocument * _doc;
+    Inkscape::XML::Node * _node;
+    sigc::signal<void> * _changeSignal;
+public:
+    /** Make the adjustment using an extension and the string
+                describing the parameter. */
+    ParamFloatAdjustment (ParamFloat * param, SPDocument * doc, Inkscape::XML::Node * node, sigc::signal<void> * changeSignal) :
+            Gtk::Adjustment(0.0, param->min(), param->max(), 0.1, 1.0, 0), _pref(param), _doc(doc), _node(node), _changeSignal(changeSignal) {
+        this->set_value(_pref->get(nullptr, nullptr) /* \todo fix */);
+        this->signal_value_changed().connect(sigc::mem_fun(this, &ParamFloatAdjustment::val_changed));
+        return;
+    };
+
+    void val_changed ();
+}; /* class ParamFloatAdjustment */
+
+/**
+ * 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 ParamFloatAdjustment::val_changed()
+{
+    //std::cout << "Value Changed to: " << this->get_value() << std::endl;
+    _pref->set(this->get_value(), _doc, _node);
+    if (_changeSignal != nullptr) {
+        _changeSignal->emit();
+    }
+    return;
+}
+
+/**
+ * Creates a Float Adjustment for a float parameter.
+ *
+ * Builds a hbox with a label and a float adjustment in it.
+ */
+Gtk::Widget * ParamFloat::get_widget(SPDocument * doc, Inkscape::XML::Node * node, sigc::signal<void> * changeSignal)
+{
+    if (_hidden) {
+        return nullptr;
+    }
+
+    Gtk::HBox * hbox = Gtk::manage(new Gtk::HBox(false, Parameter::GUI_PARAM_WIDGETS_SPACING));
+
+    auto pfa = new ParamFloatAdjustment(this, doc, node, changeSignal);
+    Glib::RefPtr<Gtk::Adjustment> fadjust(pfa);
+
+    if (_mode == FULL) {
+
+        Glib::ustring text;
+        if (_text != nullptr)
+            text = _text;
+        UI::Widget::SpinScale *scale = new UI::Widget::SpinScale(text, fadjust, _precision);
+        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, 0.1, _precision));
+        spin->show();
+        hbox->pack_start(*spin, false, false);
+    }
+
+    hbox->show();
+
+    return dynamic_cast<Gtk::Widget *>(hbox);
+}
+
+
+}  /* namespace Extension */
+}  /* namespace Inkscape */