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-rw-r--r--src/extension/prefdialog/parameter-int.cpp189
1 files changed, 189 insertions, 0 deletions
diff --git a/src/extension/prefdialog/parameter-int.cpp b/src/extension/prefdialog/parameter-int.cpp
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+++ b/src/extension/prefdialog/parameter-int.cpp
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+// 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 "parameter-int.h"
+
+#include <gtkmm/adjustment.h>
+#include <gtkmm/box.h>
+
+#include "preferences.h"
+
+#include "extension/extension.h"
+
+#include "ui/widget/spinbutton.h"
+#include "ui/widget/spin-scale.h"
+
+#include "xml/node.h"
+
+
+namespace Inkscape {
+namespace Extension {
+
+
+ParamInt::ParamInt(Inkscape::XML::Node *xml, Inkscape::Extension::Extension *ext)
+ : InxParameter(xml, ext)
+{
+ // get value
+ if (xml->firstChild()) {
+ const char *value = xml->firstChild()->content();
+ if (value) {
+ _value = strtol(value, nullptr, 0);
+ }
+ }
+
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+ _value = prefs->getInt(pref_name(), _value);
+
+ // parse and apply limits
+ const char *min = xml->attribute("min");
+ if (min) {
+ _min = strtol(min, nullptr, 0);
+ }
+
+ const char *max = xml->attribute("max");
+ if (max) {
+ _max = strtol(max, nullptr, 0);
+ }
+
+ if (_value < _min) {
+ _value = _min;
+ }
+
+ if (_value > _max) {
+ _value = _max;
+ }
+
+ // parse appearance
+ if (_appearance) {
+ if (!strcmp(_appearance, "full")) {
+ _mode = FULL;
+ } else {
+ g_warning("Invalid value ('%s') for appearance of parameter '%s' in extension '%s'",
+ _appearance, _name, _extension->get_id());
+ }
+ }
+}
+
+/**
+ * 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_name() is used.
+ *
+ * @param in The value to set to.
+ */
+int ParamInt::set(int in)
+{
+ _value = in;
+ if (_value > _max) {
+ _value = _max;
+ }
+ if (_value < _min) {
+ _value = _min;
+ }
+
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+ prefs->setInt(pref_name(), _value);
+
+ return _value;
+}
+
+/** A class to make an adjustment that uses Extension params. */
+class ParamIntAdjustment : public Gtk::Adjustment {
+ /** The parameter to adjust. */
+ ParamInt *_pref;
+ sigc::signal<void> *_changeSignal;
+public:
+ /** Make the adjustment using an extension and the string describing the parameter. */
+ ParamIntAdjustment(ParamInt *param, sigc::signal<void> *changeSignal)
+ : Gtk::Adjustment(0.0, param->min(), param->max(), 1.0, 10.0, 0)
+ , _pref(param)
+ , _changeSignal(changeSignal)
+ {
+ this->set_value(_pref->get());
+ this->signal_value_changed().connect(sigc::mem_fun(this, &ParamIntAdjustment::val_changed));
+ };
+
+ void val_changed ();
+}; /* 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()
+{
+ _pref->set((int)this->get_value());
+ if (_changeSignal != nullptr) {
+ _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(sigc::signal<void> *changeSignal)
+{
+ if (_hidden) {
+ return nullptr;
+ }
+
+ Gtk::Box *hbox = Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_HORIZONTAL, GUI_PARAM_WIDGETS_SPACING));
+
+ auto pia = new ParamIntAdjustment(this, changeSignal);
+ Glib::RefPtr<Gtk::Adjustment> fadjust(pia);
+
+ if (_mode == FULL) {
+
+ Glib::ustring text;
+ if (_text != nullptr)
+ text = _text;
+ UI::Widget::SpinScale *scale = Gtk::manage(new UI::Widget::SpinScale(text, fadjust, 0));
+ scale->set_size_request(400, -1);
+ scale->show();
+ hbox->pack_start(*scale, true, true);
+ } else if (_mode == DEFAULT) {
+ 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);
+}
+
+std::string ParamInt::value_to_string() const
+{
+ char value_string[32];
+ snprintf(value_string, 32, "%d", _value);
+ return value_string;
+}
+
+} // 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 :