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LibGUI+FontEditor: Move GlyphMapWidget to LibGUI

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This will allow us to use this in other apps, such as the upcoming
Character Map. :^)
This commit is contained in:
Sam Atkins 2022-01-09 16:15:23 +00:00 • committed by Andreas Kling
parent dd17df76e9
commit 8175cd0a28
6 changed files with 28 additions and 21 deletions
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94
Userland/Libraries/LibGUI/GlyphMapWidget.h Normal file
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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Vector.h>
#include <LibGUI/AbstractScrollableWidget.h>
#include <LibGUI/TextRange.h>
#include <LibGfx/BitmapFont.h>
namespace GUI {
class GlyphMapWidget final : public AbstractScrollableWidget {
C_OBJECT(GlyphMapWidget)
public:
virtual ~GlyphMapWidget() override;
void initialize(Gfx::BitmapFont&);
class Selection {
public:
Selection() = default;
Selection(int start, int size)
: m_start(start)
, m_size(size)
{
}
int size() const { return m_size; }
void set_size(int i) { m_size = i; }
int start() const { return m_start; }
void set_start(int i) { m_start = i; }
Selection normalized() const;
bool contains(int) const;
void resize_by(int i);
void extend_to(int);
private:
int m_start { 0 };
int m_size { 1 };
};
Selection selection() const { return m_selection; }
int active_glyph() const { return m_active_glyph; }
enum class ShouldResetSelection {
Yes,
No
};
void set_active_glyph(int, ShouldResetSelection = ShouldResetSelection::Yes);
void clear_selection() { m_selection.set_size(0); }
void scroll_to_glyph(int);
void update_glyph(int);
int rows() const { return m_rows; }
int columns() const { return m_columns; }
Gfx::BitmapFont& font() { return *m_font; }
Gfx::BitmapFont const& font() const { return *m_font; }
Function<void(int)> on_active_glyph_changed;
private:
GlyphMapWidget();
virtual void paint_event(PaintEvent&) override;
virtual void mousedown_event(MouseEvent&) override;
virtual void keydown_event(KeyEvent&) override;
virtual void resize_event(ResizeEvent&) override;
Gfx::IntRect get_outer_rect(int glyph) const;
void cut_glyph(int glyph);
void copy_glyph(int glyph);
void paste_glyph(int glyph);
void delete_glyph(int glyph);
RefPtr<Gfx::BitmapFont> m_font;
int m_glyph_count { 0x110000 };
int m_columns { 0 };
int m_rows { 0 };
int m_horizontal_spacing { 2 };
int m_vertical_spacing { 2 };
Selection m_selection;
int m_active_glyph { 0 };
int m_visible_glyphs { 0 };
};
}