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-rw-r--r--src/ui/widget/color-wheel-selector.cpp237
1 files changed, 237 insertions, 0 deletions
diff --git a/src/ui/widget/color-wheel-selector.cpp b/src/ui/widget/color-wheel-selector.cpp
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--- /dev/null
+++ b/src/ui/widget/color-wheel-selector.cpp
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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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