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Previously, Button::set_icon required moving the bitmap into the button, preventing the same bitmap from being used by multiple buttons at once. While this works for buttons that are created once, any button that is dynamically added would require the same bitmap to be loaded every single time. In addition to being ineffecient, this also makes error checking more difficult. With this change, a bitmap can be loaded once, and passed to multiple buttons.
66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
/*
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* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Function.h>
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#include <LibGUI/AbstractButton.h>
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#include <LibGfx/Bitmap.h>
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#include <LibGfx/StylePainter.h>
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#include <LibGfx/TextAlignment.h>
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namespace GUI {
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class Button : public AbstractButton {
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C_OBJECT(Button);
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public:
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virtual ~Button() override;
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void set_icon(RefPtr<Gfx::Bitmap>);
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void set_icon_from_path(String const&);
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const Gfx::Bitmap* icon() const { return m_icon.ptr(); }
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Gfx::Bitmap* icon() { return m_icon.ptr(); }
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void set_text_alignment(Gfx::TextAlignment text_alignment) { m_text_alignment = text_alignment; }
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Gfx::TextAlignment text_alignment() const { return m_text_alignment; }
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Function<void(unsigned modifiers)> on_click;
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Function<void(ContextMenuEvent&)> on_context_menu_request;
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void set_button_style(Gfx::ButtonStyle style) { m_button_style = style; }
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Gfx::ButtonStyle button_style() const { return m_button_style; }
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virtual void click(unsigned modifiers = 0) override;
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virtual void context_menu_event(ContextMenuEvent&) override;
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Action* action() { return m_action; }
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Action const* action() const { return m_action; }
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void set_action(Action&);
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virtual bool is_uncheckable() const override;
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int icon_spacing() const { return m_icon_spacing; }
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void set_icon_spacing(int spacing) { m_icon_spacing = spacing; }
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void set_menu(RefPtr<GUI::Menu>);
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protected:
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explicit Button(String text = {});
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virtual void mousedown_event(MouseEvent&) override;
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virtual void mousemove_event(MouseEvent&) override;
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virtual void paint_event(PaintEvent&) override;
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private:
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RefPtr<Gfx::Bitmap> m_icon;
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RefPtr<GUI::Menu> m_menu;
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Gfx::ButtonStyle m_button_style { Gfx::ButtonStyle::Normal };
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Gfx::TextAlignment m_text_alignment { Gfx::TextAlignment::Center };
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WeakPtr<Action> m_action;
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int m_icon_spacing { 4 };
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};
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}
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