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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/Function.h>
#include <AK/StdLibExtras.h>
#include <LibGUI/Frame.h>
class GlyphMapWidget final : public GUI::Frame {
C_OBJECT(GlyphMapWidget)
public:
virtual ~GlyphMapWidget() override;
int selected_glyph() const { return m_selected_glyph; }
void set_selected_glyph(int);
int rows() const { return ceil_div(m_glyph_count, m_columns); }
int columns() const { return m_columns; }
int preferred_width() const;
int preferred_height() const;
Gfx::Font& font() { return *m_font; }
const Gfx::Font& font() const { return *m_font; }
void update_glyph(int);
Function<void(int)> on_glyph_selected;
private:
explicit GlyphMapWidget(Gfx::Font&);
virtual bool accepts_focus() const override { return true; }
virtual void paint_event(GUI::PaintEvent&) override;
virtual void mousedown_event(GUI::MouseEvent&) override;
virtual void keydown_event(GUI::KeyEvent&) override;
Gfx::IntRect get_outer_rect(int glyph) const;
RefPtr<Gfx::Font> m_font;
int m_glyph_count;
int m_columns { 32 };
int m_horizontal_spacing { 2 };
int m_vertical_spacing { 2 };
int m_selected_glyph { 0 };
};
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