font_dialog.hpp

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// font_dialog.hpp
/*
  neogfx C++ App/Game Engine
  Copyright (c) 2015, 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/gfx/text/font.hpp>
#include <neogfx/gfx/text/glyph_text.hpp>
#include <neogfx/gui/dialog/dialog.hpp>
#include <neogfx/gui/widget/drop_list.hpp>
#include <neogfx/gui/widget/group_box.hpp>
#include <neogfx/gui/widget/radio_button.hpp>
#include <neogfx/gui/widget/check_box.hpp>
#include <neogfx/gui/widget/color_widget.hpp>
#include <neogfx/gui/widget/gradient_widget.hpp>
#include <neogfx/gui/widget/slider_box.hpp>
 
namespace neogfx
{
    class font_dialog : public dialog
    {
        meta_object(dialog)
    public:
        define_event(SelectionChanged, selection_changed)
    public:
        font_dialog(neogfx::font const& aCurrentFont = neogfx::font{}, optional<text_format> const& aCurrentTextFormat = {});
        font_dialog(i_widget& aParent, neogfx::font const& aCurrentFont = neogfx::font{}, optional<text_format> const& aCurrentTextFormat = {});
        ~font_dialog();
    public:
        neogfx::font current_font() const;
        neogfx::font selected_font() const;
        optional<text_format> const& current_format() const;
        optional<text_format> const& selected_format() const;
        void select_font(neogfx::font const& aFont);
        void set_default_ink(const optional<color>& aColor);
        void set_default_paper(const optional<color>& aColor);
    protected:
        size minimum_size(optional_size const& aAvailableSpace = optional_size{}) const override;
    private:
        void init();
        void update_selected_font(i_widget const& aUpdatingWidget);
        void update_selected_format(i_widget const& aUpdatingWidget);
        void update_widgets();
    private:
        sink iSink;
        bool iUpdating;
        neogfx::font iCurrentFont;
        neogfx::font iSelectedFont;
        optional<text_format> iCurrentTextFormat;
        optional<text_format> iSelectedTextFormat;
        optional<color> iDefaultInk;
        optional<color> iDefaultPaper;
        horizontal_layout iLayout0;
        vertical_layout iLayout1;
        label iFamilyLabel;
        drop_list iFamilyPicker;
        vertical_layout iLayout2;
        horizontal_layout iLayout3;
        vertical_layout iLayout4;
        label iStyleLabel;
        drop_list iStylePicker;
        vertical_layout iLayout5;
        label iSizeLabel;
        drop_list iSizePicker;
        horizontal_layout iLayoutEffects;
        group_box iEffectsBox;
        check_box iUnderline;
        check_box iSuperscript;
        check_box iSubscript;
        check_box iBelowAscenderLine;
        group_box iUnderlineBox;
        check_box iSmartUnderline;
        widget<> iTextFormatContainer;
        horizontal_layout iLayoutTextFormat;
        group_box iInkBox;
        radio_button iInkColor;
        radio_button iInkGradient;
        check_box iInkEmoji;
        neolib::variant<color_widget, gradient_widget> iInk;
        group_box iPaperBox;
        radio_button iPaperColor;
        radio_button iPaperGradient;
        neolib::variant<color_widget, gradient_widget> iPaper;
        group_box iAdvancedEffectsBox;
        group_box iAdvancedEffectsTypeBox;
        radio_button iAdvancedEffectsOutline;
        radio_button iAdvancedEffectsShadow;
        radio_button iAdvancedEffectsGlow;
        group_box iAdvancedEffectsInkBox;
        radio_button iAdvancedEffectsColor;
        radio_button iAdvancedEffectsGradient;
        check_box iAdvancedEffectsEmoji;
        neolib::variant<color_widget, gradient_widget> iAdvancedEffectsInk;
        struct text_effect_width
        {
            group_box box;
            slider_box slider;
            text_effect_width(font_dialog& aParent) :
                box{ aParent.iAdvancedEffectsBox.item_layout(), "Width"_t },
                slider{ box.with_item_layout<vertical_layout>() }
            {
            }
        };
        std::optional<text_effect_width> iAdvancedEffectsWidth;
        group_box iSampleBox;
        text_widget iSample;
    };
}