fe3b846ac8
https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#cother-other-default-operation-rules "The compiler is more likely to get the default semantics right and you cannot implement these functions better than the compiler."
83 lines
2 KiB
C++
83 lines
2 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2022, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibGUI/Painter.h>
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#include <LibGUI/ResizeCorner.h>
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#include <LibGUI/Window.h>
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#include <LibGfx/CharacterBitmap.h>
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#include <LibGfx/Palette.h>
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namespace GUI {
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static constexpr Gfx::CharacterBitmap s_resize_corner_shadows_bitmap {
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" "
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" ## "
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" # "
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" "
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" ## ## "
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" # # "
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" "
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" ## ## ## "
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" # # # "
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" "
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" ## ## ## ## "
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" # # # # "
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" "
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" ## ## ## ## ## "
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" # # # # # "
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" ",
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16, 16
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};
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static constexpr Gfx::CharacterBitmap s_resize_corner_highlights_bitmap {
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" "
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" "
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" # "
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" "
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" "
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" # # "
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" "
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" "
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" # # # "
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" "
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" "
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" # # # # "
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" "
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" "
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" # # # # # "
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" ",
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16, 16
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};
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ResizeCorner::ResizeCorner()
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{
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set_override_cursor(Gfx::StandardCursor::ResizeDiagonalTLBR);
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set_background_role(ColorRole::Button);
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set_fixed_size(16, 18);
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}
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void ResizeCorner::paint_event(PaintEvent& event)
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{
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Painter painter(*this);
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painter.add_clip_rect(event.rect());
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painter.fill_rect(rect(), palette().color(background_role()));
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painter.draw_bitmap({ 0, 2 }, s_resize_corner_shadows_bitmap, palette().threed_shadow1());
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painter.draw_bitmap({ 0, 2 }, s_resize_corner_highlights_bitmap, palette().threed_highlight());
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Widget::paint_event(event);
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}
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void ResizeCorner::mousedown_event(MouseEvent& event)
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{
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if (event.button() == MouseButton::Primary)
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window()->start_interactive_resize();
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Widget::mousedown_event(event);
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}
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}
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