color_picker.h

/*************************************************************************/
/*  color_picker.h                                                       */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
/*************************************************************************/
/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur.                 */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
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/* the following conditions:                                             */
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/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
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/*************************************************************************/
#ifndef COLOR_PICKER_H
#define COLOR_PICKER_H

#include "scene/gui/slider.h"
#include "scene/gui/line_edit.h"
#include "scene/gui/spin_box.h"
#include "scene/gui/label.h"
#include "scene/gui/button.h"
#include "scene/gui/popup.h"
#include "scene/gui/box_container.h"
#include "scene/gui/texture_frame.h"
#include "scene/gui/tool_button.h"
#include "scene/gui/check_button.h"
#include "scene/resources/material.h"

class ColorPicker : public BoxContainer {

    OBJ_TYPE(ColorPicker,BoxContainer);

private:

    Control *screen;
    Image last_capture;
    TextureFrame *uv_edit;
    TextureFrame *w_edit;
    TextureFrame *sample;
    TextureFrame *preset;
    Button *bt_add_preset;
    List<Color> presets;
    ToolButton *btn_pick;
    CheckButton *btn_mode;
    Ref<CanvasItemMaterial> uv_material;
    Ref<CanvasItemMaterial> w_material;
    HSlider *scroll[4];
    SpinBox *values[4];
    Label *labels[4];
    Button *text_type;
    LineEdit *c_text;
    bool edit_alpha;
    Size2i ms;
    bool text_is_constructor;

    Color color;
    bool raw_mode_enabled;
    bool updating;
    bool changing_color;
    float h,s,v;
    Color last_hsv;

    void _html_entered(const String& p_html);
    void _value_changed(double);
    void _update_controls();
    void _update_color();
    void _update_presets();
    void _text_type_toggled();
    void _sample_draw();
    void _hsv_draw(int p_wich,Control *c);

    void _uv_input(const InputEvent& p_input);
    void _w_input(const InputEvent& p_input);
    void _preset_input(const InputEvent& p_input);
    void _screen_input(const InputEvent& p_input);
    void _add_preset_pressed();
    void _screen_pick_pressed();

protected:

    void _notification(int);
    static void _bind_methods();
public:

    void set_edit_alpha(bool p_show);
    bool is_editing_alpha() const;

    void set_color(const Color& p_color);
    Color get_color() const;

    void add_preset(const Color& p_color);
    void set_raw_mode(bool p_enabled);
    bool is_raw_mode() const;


    ColorPicker();
};

class ColorPickerButton : public Button {

    OBJ_TYPE(ColorPickerButton,Button);

    PopupPanel *popup;
    ColorPicker *picker;

    void _color_changed(const Color& p_color);
    virtual void pressed();

protected:

    void _notification(int);
    static void _bind_methods();
public:

    void set_color(const Color& p_color);
    Color get_color() const;

    void set_edit_alpha(bool p_show);
    bool is_editing_alpha() const;

    ColorPicker *get_picker();

    ColorPickerButton();
};

#endif // COLOR_PICKER_H