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Currently, graphs are defined in terms of graph color. This means that when the system palette is changed, the old colors are still used. We switch to storing the color roles and looking up the palette colors on paint events. We also define the graph line background color as the graph color at half-transparency.
67 lines
2.5 KiB
C++
67 lines
2.5 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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#pragma once
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#include <AK/CircularQueue.h>
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#include <LibGUI/Frame.h>
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#include <LibGfx/SystemTheme.h>
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class GraphWidget final : public GUI::Frame {
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C_OBJECT(GraphWidget)
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public:
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virtual ~GraphWidget() override;
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void set_max(int max) { m_max = max; }
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int max() const { return m_max; }
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void add_value(Vector<int, 1>&&);
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struct ValueFormat {
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Gfx::ColorRole graph_color_role { Gfx::ColorRole::Base };
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Color text_shadow_color { Color::Transparent };
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Function<String(int)> text_formatter;
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};
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void set_value_format(size_t index, ValueFormat&& format)
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{
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if (m_value_format.size() <= index)
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m_value_format.resize(index + 1);
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m_value_format[index] = move(format);
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}
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void set_stack_values(bool stack_values) { m_stack_values = stack_values; }
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private:
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explicit GraphWidget();
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virtual void paint_event(GUI::PaintEvent&) override;
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int m_max { 100 };
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Vector<ValueFormat, 1> m_value_format;
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CircularQueue<Vector<int, 1>, 4000> m_values;
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bool m_stack_values { false };
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Vector<Gfx::IntPoint, 1> m_calculated_points;
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};
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