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99 lines
3.1 KiB
C++
99 lines
3.1 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <LibGUI/Painter.h>
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#include <LibGUI/RadioButton.h>
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#include <LibGfx/Bitmap.h>
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#include <LibGfx/Font.h>
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#include <LibGfx/Palette.h>
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#include <LibGfx/StylePainter.h>
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namespace GUI {
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RadioButton::RadioButton(String text)
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: AbstractButton(move(text))
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{
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set_min_width(32);
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set_fixed_height(22);
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}
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RadioButton::~RadioButton()
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{
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}
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Gfx::IntSize RadioButton::circle_size()
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{
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return { 12, 12 };
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}
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void RadioButton::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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if (fill_with_background_color())
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painter.fill_rect(rect(), palette().window());
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if (is_enabled() && is_hovered())
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painter.fill_rect(rect(), palette().hover_highlight());
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Gfx::IntRect circle_rect { { 2, 0 }, circle_size() };
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circle_rect.center_vertically_within(rect());
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Gfx::StylePainter::paint_radio_button(painter, circle_rect, palette(), is_checked(), is_being_pressed());
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Gfx::IntRect text_rect { circle_rect.right() + 4, 0, font().width(text()), font().glyph_height() };
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text_rect.center_vertically_within(rect());
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paint_text(painter, text_rect, font(), Gfx::TextAlignment::TopLeft);
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if (is_focused())
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painter.draw_focus_rect(text_rect.inflated(6, 6), palette().focus_outline());
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}
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template<typename Callback>
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void RadioButton::for_each_in_group(Callback callback)
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{
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if (!parent())
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return;
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parent()->for_each_child_of_type<RadioButton>([&](auto& child) {
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return callback(downcast<RadioButton>(child));
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});
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}
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void RadioButton::click(unsigned)
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{
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if (!is_enabled())
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return;
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for_each_in_group([this](auto& button) {
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if (&button != this)
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button.set_checked(false);
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return IterationDecision::Continue;
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});
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set_checked(true);
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}
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}
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