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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>
* Christopher Brown <audiere@gmail.com>
* Jon A. Cruz <jon@joncruz.org>
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "parameter-color.h"
#include <iostream>
#include <sstream>
#include <gtkmm/box.h>
#include <gtkmm/colorbutton.h>
#include <gtkmm/label.h>
#include "color.h"
#include "preferences.h"
#include "extension/extension.h"
#include "ui/widget/color-notebook.h"
#include "xml/node.h"
namespace Inkscape {
namespace Extension {
ParamColor::ParamColor(Inkscape::XML::Node *xml, Inkscape::Extension::Extension *ext)
: InxParameter(xml, ext)
{
// get value
unsigned int _value = 0x000000ff; // default to black
if (xml->firstChild()) {
const char *value = xml->firstChild()->content();
if (value) {
_value = strtoul(value, nullptr, 0);
}
}
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
_value = prefs->getUInt(pref_name(), _value);
_color.setValue(_value);
_color_changed = _color.signal_changed.connect(sigc::mem_fun(this, &ParamColor::_onColorChanged));
// TODO: SelectedColor does not properly emit signal_changed after dragging, so we also need the following
_color_released = _color.signal_released.connect(sigc::mem_fun(this, &ParamColor::_onColorChanged));
// parse appearance
if (_appearance) {
if (!strcmp(_appearance, "colorbutton")) {
_mode = COLOR_BUTTON;
} else {
g_warning("Invalid value ('%s') for appearance of parameter '%s' in extension '%s'",
_appearance, _name, _extension->get_id());
}
}
}
ParamColor::~ParamColor()
{
_color_changed.disconnect();
_color_released.disconnect();
}
unsigned int ParamColor::set(unsigned int in)
{
_color.setValue(in);
return in;
}
Gtk::Widget *ParamColor::get_widget(sigc::signal<void> *changeSignal)
{
if (_hidden) {
return nullptr;
}
if (changeSignal) {
_changeSignal = new sigc::signal<void>(*changeSignal);
}
Gtk::Box *hbox = Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_HORIZONTAL, GUI_PARAM_WIDGETS_SPACING));
if (_mode == COLOR_BUTTON) {
Gtk::Label *label = Gtk::manage(new Gtk::Label(_text, Gtk::ALIGN_START));
label->show();
hbox->pack_start(*label, true, true);
Gdk::RGBA rgba;
rgba.set_red_u (((_color.value() >> 24) & 255) << 8);
rgba.set_green_u(((_color.value() >> 16) & 255) << 8);
rgba.set_blue_u (((_color.value() >> 8) & 255) << 8);
rgba.set_alpha_u(((_color.value() >> 0) & 255) << 8);
// TODO: It would be nicer to have a custom Gtk::ColorButton() implementation here,
// that wraps an Inkscape::UI::Widget::ColorNotebook into a new dialog
_color_button = Gtk::manage(new Gtk::ColorButton(rgba));
_color_button->set_title(_text);
_color_button->set_use_alpha();
_color_button->show();
hbox->pack_end(*_color_button, false, false);
_color_button->signal_color_set().connect(sigc::mem_fun(this, &ParamColor::_onColorButtonChanged));
} else {
Gtk::Widget *selector = Gtk::manage(new Inkscape::UI::Widget::ColorNotebook(_color));
hbox->pack_start(*selector, true, true, 0);
selector->show();
}
hbox->show();
return hbox;
}
void ParamColor::_onColorChanged()
{
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
prefs->setUInt(pref_name(), _color.value());
if (_changeSignal)
_changeSignal->emit();
}
void ParamColor::_onColorButtonChanged()
{
Gdk::RGBA rgba = _color_button->get_rgba();
unsigned int value = ((rgba.get_red_u() >> 8) << 24) +
((rgba.get_green_u() >> 8) << 16) +
((rgba.get_blue_u() >> 8) << 8) +
((rgba.get_alpha_u() >> 8) << 0);
set(value);
}
std::string ParamColor::value_to_string() const
{
char value_string[16];
snprintf(value_string, 16, "%u", _color.value());
return value_string;
}
}; /* namespace Extension */
}; /* namespace Inkscape */
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