tool_title_bar.hpp

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// tool_title_bar.hpp
/*
  neogfx C++ App/Game Engine
  Copyright (c) 2020 Leigh Johnston.  All Rights Reserved.
  
  This program is free software: you can redistribute it and / or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
  
  This program 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 General Public License for more details.
  
  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
 
#pragma once
 
#include <neogfx/neogfx.hpp>
#include <neogfx/gui/widget/timer.hpp>
#include <neogfx/gfx/color.hpp>
#include <neogfx/gfx/texture.hpp>
#include <neogfx/gui/layout/horizontal_layout.hpp>
#include <neogfx/gui/layout/spacer.hpp>
#include <neogfx/gui/widget/i_tool.hpp>
#include <neogfx/gui/widget/label.hpp>
#include <neogfx/gui/widget/push_button.hpp>
#include <neogfx/gui/widget/i_title_bar.hpp>
 
namespace neogfx
{
    class tool_title_bar : public widget<i_title_bar>
    {
        meta_object(widget<i_title_bar>)
    public:
        typedef i_title_bar abstract_type;
    public:
        tool_title_bar(i_standard_layout_container& aContainer, std::string const& aTitle = std::string{});
    public:
        void set_icon(i_texture const& aIcon) override;
        i_string const& title() const override;
        void set_title(i_string const& aTitle) override;
    public:
        const image_widget& icon_widget() const override;
        image_widget& icon_widget() override;
        const text_widget& title_widget() const override;
        text_widget& title_widget() override;
    protected:
        size minimum_size(optional_size const& aAvailableSpace = {}) const override;
    protected:
        neogfx::widget_type widget_type() const override;
    protected:
        color palette_color(color_role aColorRole) const override;
    protected:
        neogfx::focus_policy focus_policy() const override;
        void focus_gained(focus_reason aFocusReason) override;
    private:
        void update_textures();
        void update_state();
    private:
        i_standard_layout_container& iContainer;
        widget_timer iUpdater;
        horizontal_layout iLayout;
        text_widget iTitle;
        push_button iPinButton;
        push_button iUnpinButton;
        push_button iCloseButton;
        sink iSink;
        mutable std::optional<std::pair<color, texture>> iPinTexture;
        mutable std::optional<std::pair<color, texture>> iUnpinTexture;
        mutable std::optional<std::pair<color, texture>> iCloseTexture;
        bool iStateActive;
    };
}