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// SPDX-License-Identifier: GPL-2.0-or-later
/** @file
* TODO: insert short description here
*//*
* Authors: see git history
*
* Copyright (C) 2018 Authors
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "color-wheel-selector.h"
#include <glibmm/i18n.h>
#include <gtkmm/adjustment.h>
#include <gtkmm/label.h>
#include <gtkmm/spinbutton.h>
#include "ui/dialog-events.h"
#include "ui/widget/color-scales.h"
#include "ui/widget/color-slider.h"
#include "ui/widget/ink-color-wheel.h"
namespace Inkscape {
namespace UI {
namespace Widget {
#define XPAD 4
#define YPAD 1
const gchar *ColorWheelSelector::MODE_NAME = N_("Wheel");
ColorWheelSelector::ColorWheelSelector(SelectedColor &color)
: Gtk::Grid()
, _color(color)
, _updating(false)
, _wheel(nullptr)
, _slider(nullptr)
{
set_name("ColorWheelSelector");
_initUI();
_color_changed_connection = color.signal_changed.connect(sigc::mem_fun(this, &ColorWheelSelector::_colorChanged));
_color_dragged_connection = color.signal_dragged.connect(sigc::mem_fun(this, &ColorWheelSelector::_colorChanged));
}
ColorWheelSelector::~ColorWheelSelector()
{
_color_changed_connection.disconnect();
_color_dragged_connection.disconnect();
}
void ColorWheelSelector::_initUI()
{
/* Create components */
gint row = 0;
_wheel = Gtk::manage(new Inkscape::UI::Widget::ColorWheel());
_wheel->set_halign(Gtk::ALIGN_FILL);
_wheel->set_valign(Gtk::ALIGN_FILL);
_wheel->set_hexpand(true);
_wheel->set_vexpand(true);
attach(*_wheel, 0, row, 3, 1);
row++;
/* Label */
Gtk::Label *label = Gtk::manage(new Gtk::Label(_("_A:"), true));
label->set_halign(Gtk::ALIGN_END);
label->set_valign(Gtk::ALIGN_CENTER);
label->set_margin_start(XPAD);
label->set_margin_end(XPAD);
label->set_margin_top(YPAD);
label->set_margin_bottom(YPAD);
label->set_halign(Gtk::ALIGN_FILL);
label->set_valign(Gtk::ALIGN_FILL);
attach(*label, 0, row, 1, 1);
/* Adjustment */
_alpha_adjustment = Gtk::Adjustment::create(0.0, 0.0, 100.0, 1.0, 10.0, 10.0);
/* Slider */
_slider = Gtk::manage(new Inkscape::UI::Widget::ColorSlider(_alpha_adjustment));
_slider->set_tooltip_text(_("Alpha (opacity)"));
_slider->set_margin_start(XPAD);
_slider->set_margin_end(XPAD);
_slider->set_margin_top(YPAD);
_slider->set_margin_bottom(YPAD);
_slider->set_hexpand(true);
_slider->set_halign(Gtk::ALIGN_FILL);
_slider->set_valign(Gtk::ALIGN_FILL);
attach(*_slider, 1, row, 1, 1);
_slider->setColors(SP_RGBA32_F_COMPOSE(1.0, 1.0, 1.0, 0.0), SP_RGBA32_F_COMPOSE(1.0, 1.0, 1.0, 0.5),
SP_RGBA32_F_COMPOSE(1.0, 1.0, 1.0, 1.0));
/* Spinbutton */
auto spin_button = Gtk::manage(new Gtk::SpinButton(_alpha_adjustment, 1.0, 0));
spin_button->set_tooltip_text(_("Alpha (opacity)"));
sp_dialog_defocus_on_enter(GTK_WIDGET(spin_button->gobj()));
label->set_mnemonic_widget(*spin_button);
spin_button->set_margin_start(XPAD);
spin_button->set_margin_end(XPAD);
spin_button->set_margin_top(YPAD);
spin_button->set_margin_bottom(YPAD);
spin_button->set_halign(Gtk::ALIGN_CENTER);
spin_button->set_valign(Gtk::ALIGN_CENTER);
attach(*spin_button, 2, row, 1, 1);
/* Signals */
_alpha_adjustment->signal_value_changed().connect(sigc::mem_fun(this, &ColorWheelSelector::_adjustmentChanged));
_slider->signal_grabbed.connect(sigc::mem_fun(*this, &ColorWheelSelector::_sliderGrabbed));
_slider->signal_released.connect(sigc::mem_fun(*this, &ColorWheelSelector::_sliderReleased));
_slider->signal_value_changed.connect(sigc::mem_fun(*this, &ColorWheelSelector::_sliderChanged));
_wheel->signal_color_changed().connect(sigc::mem_fun(*this, &ColorWheelSelector::_wheelChanged));
show_all();
}
void ColorWheelSelector::on_show()
{
Gtk::Grid::on_show();
_updateDisplay();
}
void ColorWheelSelector::_colorChanged()
{
_updateDisplay();
}
void ColorWheelSelector::_adjustmentChanged()
{
if (_updating) {
return;
}
_color.preserveICC();
_color.setAlpha(ColorScales::getScaled(_alpha_adjustment->gobj()));
}
void ColorWheelSelector::_sliderGrabbed()
{
_color.preserveICC();
_color.setHeld(true);
}
void ColorWheelSelector::_sliderReleased()
{
_color.preserveICC();
_color.setHeld(false);
}
void ColorWheelSelector::_sliderChanged()
{
if (_updating) {
return;
}
_color.preserveICC();
_color.setAlpha(ColorScales::getScaled(_alpha_adjustment->gobj()));
}
void ColorWheelSelector::_wheelChanged()
{
if (_updating) {
return;
}
double rgb[3] = { 0, 0, 0 };
_wheel->get_rgb(rgb[0], rgb[1], rgb[2]);
SPColor color(rgb[0], rgb[1], rgb[2]);
guint32 start = color.toRGBA32(0x00);
guint32 mid = color.toRGBA32(0x7f);
guint32 end = color.toRGBA32(0xff);
_updating = true;
_slider->setColors(start, mid, end);
_color.preserveICC();
_color.setHeld(_wheel->is_adjusting());
_color.setColor(color);
_updating = false;
}
void ColorWheelSelector::_updateDisplay()
{
if(_updating) { return; }
#ifdef DUMP_CHANGE_INFO
g_message("ColorWheelSelector::_colorChanged( this=%p, %f, %f, %f, %f)", this, _color.color().v.c[0],
_color.color().v.c[1], _color.color().v.c[2], alpha);
#endif
_updating = true;
{
float hsv[3] = { 0, 0, 0 };
SPColor::rgb_to_hsv_floatv(hsv, _color.color().v.c[0], _color.color().v.c[1], _color.color().v.c[2]);
_wheel->set_rgb(_color.color().v.c[0], _color.color().v.c[1], _color.color().v.c[2]);
}
guint32 start = _color.color().toRGBA32(0x00);
guint32 mid = _color.color().toRGBA32(0x7f);
guint32 end = _color.color().toRGBA32(0xff);
_slider->setColors(start, mid, end);
ColorScales::setScaled(_alpha_adjustment->gobj(), _color.alpha());
_updating = false;
}
Gtk::Widget *ColorWheelSelectorFactory::createWidget(Inkscape::UI::SelectedColor &color) const
{
Gtk::Widget *w = Gtk::manage(new ColorWheelSelector(color));
return w;
}
Glib::ustring ColorWheelSelectorFactory::modeName() const { return gettext(ColorWheelSelector::MODE_NAME); }
}
}
}
/*
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 :
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