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/************************************************************************
*
* Copyright (C) 2014-2024 IRCAD France
* Copyright (C) 2014-2020 IHU Strasbourg
*
* This file is part of Sight.
*
* Sight is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Sight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sight. If not, see <https://www.gnu.org/licenses/>.
*
***********************************************************************/
#pragma once
#include <ui/__/editor.hpp>
#include <viz/scene3d/layer.hpp>
#include <viz/scene3d/light_adaptor.hpp>
#include <QCheckBox>
#include <QComboBox>
#include <QDialog>
#include <QLabel>
#include <QLineEdit>
#include <QListWidget>
#include <QPointer>
#include <QPushButton>
#include <string>
#include <vector>
namespace sight::module::ui::viz
{
/**
* @brief User interface to select light adaptor from a selected layer or create a new one.
*
* @section Signals Signals
* - \b light_selected(viz::scene3d::light_adaptor::sptr): Emitted when a light is selected in the list widget.
*
* @section Slots Slots
* - \b initLightList(viz::scene3d::layer::sptr): populates the list of available light adaptors for the current
* layer.
*
* @section XML XML Configuration
* @code{.xml}
* <service uid="light_selectorUid" type="sight::module::ui::viz::light_selector" />
*/
class light_selector final :
public QObject,
public sight::ui::editor
{
Q_OBJECT
public:
/// Generates default methods as New, dynamicCast, ...
SIGHT_DECLARE_SERVICE(light_selector, sight::ui::editor);
/// Initializes signals and slots.
light_selector() noexcept;
/// Destroys the service.
~light_selector() noexcept override;
protected:
/// Configures the service.
void configuring() override;
/// Sets the connections and the UI elements.
void starting() override;
/// Does nothing.
void updating() override;
/// Destroys the connections and cleans the container.
void stopping() override;
private Q_SLOTS:
/// SLOT: called when a layer is selected.
/// Sets the current layer and initializes the light adaptors list.
void on_selected_layer_item(int _index);
/// SLOT: called when a light is selected.
/// Loads the selected light parameters in the light editor.
void on_selected_light_item(QListWidgetItem* _item, QListWidgetItem* _previous);
/// SLOT: called when a light is checked.
/// Switched on or off the light according to its current state.
void on_checked_light_item(QListWidgetItem* _item);
/// SLOT: called when the add light button is clicked.
/// Adds a new light to the current scene.
void on_add_light(bool /*unused*/);
/// SLOT: called when the remove light button is clicked.
/// Removes the selected light.
void on_remove_light(bool /*unused*/);
/// SLOT: called when the scene ambient color button is clicked.
/// Opens a color picker and lets the user choose a new ambient color.
void on_edit_ambient_color(bool /*unused*/);
/// SLOT: called when the "check all" button is clicked.
/// Call onCheckAllBoxes(true).
void on_check_all_check_box();
/// SLOT: called when the "uncheck all" button is clicked.
/// Call onCheckAllBoxes(false).
void on_un_check_all_check_box();
private:
using light_selected_signal_t = core::com::signal<void (sight::viz::scene3d::light_adaptor::sptr)>;
/// Checks or unchecks all item in m_lightsList.
void on_check_all_boxes(bool _visible);
void init_light_list(sight::viz::scene3d::layer::sptr _layer);
/// Retrieves all the layers from the application thanks to the render services.
void refresh_layers();
/// Retrieves light adaptors used in the current layer and stores them in the list widget.
void update_lights_list();
/// Creates a new light adaptor.
void create_light_adaptor(const std::string& _name);
/// Finds the light adaptor with the specified name.
sight::viz::scene3d::light_adaptor::sptr retrieve_light_adaptor(const std::string& _name) const;
QPointer<QComboBox> m_layers_box;
QPointer<QListWidget> m_lights_list;
QPointer<QPushButton> m_check_all_button;
QPointer<QPushButton> m_un_check_all_button;
QPointer<QPushButton> m_add_light_btn;
QPointer<QPushButton> m_remove_light_btn;
QPointer<QPushButton> m_ambient_color_btn;
std::vector<sight::viz::scene3d::layer::wptr> m_layers;
sight::viz::scene3d::layer::wptr m_current_layer;
/// Stores all light adaptors (existing in the configuration and those created by this editor).
std::vector<sight::viz::scene3d::light_adaptor::sptr> m_light_adaptors;
/// Stores a light adaptor and it's data to keep a reference on them.
struct light
{
sight::viz::scene3d::light_adaptor::sptr m_light;
data::color::sptr m_diffuse;
data::color::sptr m_specular;
};
/// Stores adaptors managed by this editor.
std::vector<light> m_managed_light_adaptors;
/// Defines the current selected light.
sight::viz::scene3d::light_adaptor::sptr m_current_light;
/// Handles connections with the layer.
core::com::helper::sig_slot_connection m_connections;
};
//------------------------------------------------------------------------------
class new_light_dialog final : public QDialog
{
Q_OBJECT
public:
new_light_dialog(QWidget* _parent = nullptr);
~new_light_dialog() override;
private Q_SLOTS:
void on_ok_btn(bool _checked);
private:
QPointer<QLabel> m_light_name_lbl;
QPointer<QLineEdit> m_light_name_edit;
QPointer<QPushButton> m_ok_btn;
};
} // namespace sight::module::ui::viz.
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