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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibGfx/Color.h>
#include <LibGfx/WindowTheme.h>
namespace Gfx {
class ClassicWindowTheme final : public WindowTheme {
public:
ClassicWindowTheme() = default;
virtual ~ClassicWindowTheme() override = default;
virtual void paint_normal_frame(Painter& painter, WindowState window_state, IntRect const& window_rect, StringView window_title, Bitmap const& icon, Palette const& palette, IntRect const& leftmost_button_rect, int menu_row_count, bool window_modified) const override;
virtual void paint_tool_window_frame(Painter&, WindowState, IntRect const& window_rect, StringView title, Palette const&, IntRect const& leftmost_button_rect) const override;
virtual void paint_notification_frame(Painter&, IntRect const& window_rect, Palette const&, IntRect const& close_button_rect) const override;
virtual int titlebar_height(WindowType, Palette const&) const override;
virtual IntRect titlebar_rect(WindowType, IntRect const& window_rect, Palette const&) const override;
virtual IntRect titlebar_icon_rect(WindowType, IntRect const& window_rect, Palette const&) const override;
virtual IntRect titlebar_text_rect(WindowType, IntRect const& window_rect, Palette const&) const override;
virtual IntRect menubar_rect(WindowType, IntRect const& window_rect, Palette const&, int menu_row_count) const override;
virtual IntRect frame_rect_for_window(WindowType, IntRect const& window_rect, Palette const&, int menu_row_count) const override;
virtual Vector<IntRect> layout_buttons(WindowType, IntRect const& window_rect, Palette const&, size_t buttons) const override;
virtual bool is_simple_rect_frame() const override { return true; }
virtual bool frame_uses_alpha(WindowState state, Palette const& palette) const override
{
return compute_frame_colors(state, palette).uses_alpha();
}
virtual float frame_alpha_hit_threshold(WindowState) const override { return 1.0f; }
private:
struct FrameColors {
Color title_color;
Color border_color;
Color border_color2;
Color title_stripes_color;
Color title_shadow_color;
bool uses_alpha() const
{
// We don't care about the title_stripes_color or title_shadow_color alpha channels because they are
// effectively rendered on top of the borders and don't mean whether the frame itself actually has
// any alpha channels that would require the entire frame to be rendered as transparency.
return title_color.alpha() != 0xff || border_color.alpha() != 0xff || border_color2.alpha() != 0xff;
}
};
FrameColors compute_frame_colors(WindowState, Palette const&) const;
};
}
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