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</pre><pre class="rust"><code><span class="kw">use</span> <span class="ident">geom</span>::{<span class="ident">Angle</span>, <span class="ident">Circle</span>, <span class="ident">Distance</span>, <span class="ident">Duration</span>, <span class="ident">Pt2D</span>};

<span class="kw">use</span> <span class="kw">crate</span>::{
    <span class="ident">Color</span>, <span class="ident">Drawable</span>, <span class="ident">EventCtx</span>, <span class="ident">GeomBatch</span>, <span class="ident">GfxCtx</span>, <span class="ident">Line</span>, <span class="ident">ScreenDims</span>, <span class="ident">ScreenPt</span>, <span class="ident">ScreenRectangle</span>,
    <span class="ident">Text</span>, <span class="ident">TextExt</span>, <span class="ident">Widget</span>, <span class="ident">WidgetImpl</span>, <span class="ident">WidgetOutput</span>,
};

<span class="comment">// TODO This is tuned for the trip time comparison right now.</span>
<span class="comment">// - Generic types for x and y axis</span>
<span class="comment">// - number of labels</span>
<span class="comment">// - rounding behavior</span>
<span class="comment">// - forcing the x and y axis to be on the same scale, be drawn as a square</span>
<span class="comment">// - coloring the better/worse</span>

<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">CompareTimes</span> {
    <span class="ident">draw</span>: <span class="ident">Drawable</span>,

    <span class="ident">max</span>: <span class="ident">Duration</span>,

    <span class="ident">top_left</span>: <span class="ident">ScreenPt</span>,
    <span class="ident">dims</span>: <span class="ident">ScreenDims</span>,
}

<span class="kw">impl</span> <span class="ident">CompareTimes</span> {
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new_widget</span><span class="op">&lt;</span><span class="ident">I</span>: <span class="ident">AsRef</span><span class="op">&lt;</span><span class="ident">str</span><span class="op">&gt;</span><span class="op">&gt;</span>(
        <span class="ident">ctx</span>: <span class="kw-2">&amp;mut</span> <span class="ident">EventCtx</span>,
        <span class="ident">x_name</span>: <span class="ident">I</span>,
        <span class="ident">y_name</span>: <span class="ident">I</span>,
        <span class="ident">points</span>: <span class="ident">Vec</span><span class="op">&lt;</span>(<span class="ident">Duration</span>, <span class="ident">Duration</span>)<span class="op">&gt;</span>,
    ) -&gt; <span class="ident">Widget</span> {
        <span class="kw">if</span> <span class="ident">points</span>.<span class="ident">is_empty</span>() {
            <span class="kw">return</span> <span class="ident">Widget::nothing</span>();
        }

        <span class="kw">let</span> <span class="ident">actual_max</span> <span class="op">=</span> <span class="kw-2">*</span><span class="ident">points</span>.<span class="ident">iter</span>().<span class="ident">map</span>(<span class="op">|</span>(<span class="ident">b</span>, <span class="ident">a</span>)<span class="op">|</span> <span class="ident">a</span>.<span class="ident">max</span>(<span class="ident">b</span>)).<span class="ident">max</span>().<span class="ident">unwrap</span>();
        <span class="comment">// Excluding 0</span>
        <span class="kw">let</span> <span class="ident">num_labels</span> <span class="op">=</span> <span class="number">5</span>;
        <span class="kw">let</span> (<span class="ident">max</span>, <span class="ident">labels</span>) <span class="op">=</span> <span class="ident">actual_max</span>.<span class="ident">make_intervals_for_max</span>(<span class="ident">num_labels</span>);

        <span class="comment">// We want a nice square so the scales match up.</span>
        <span class="kw">let</span> <span class="ident">width</span> <span class="op">=</span> <span class="number">500.0</span>;
        <span class="kw">let</span> <span class="ident">height</span> <span class="op">=</span> <span class="ident">width</span>;

        <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">batch</span> <span class="op">=</span> <span class="ident">GeomBatch::new</span>();
        <span class="ident">batch</span>.<span class="ident">autocrop_dims</span> <span class="op">=</span> <span class="bool-val">false</span>;

        <span class="comment">// Grid lines</span>
        <span class="kw">let</span> <span class="ident">thickness</span> <span class="op">=</span> <span class="ident">Distance::meters</span>(<span class="number">2.0</span>);
        <span class="kw">for</span> <span class="ident">i</span> <span class="kw">in</span> <span class="number">1</span>..<span class="ident">num_labels</span> {
            <span class="kw">let</span> <span class="ident">x</span> <span class="op">=</span> (<span class="ident">i</span> <span class="kw">as</span> <span class="ident">f64</span>) <span class="op">/</span> (<span class="ident">num_labels</span> <span class="kw">as</span> <span class="ident">f64</span>) <span class="op">*</span> <span class="ident">width</span>;
            <span class="kw">let</span> <span class="ident">y</span> <span class="op">=</span> (<span class="ident">i</span> <span class="kw">as</span> <span class="ident">f64</span>) <span class="op">/</span> (<span class="ident">num_labels</span> <span class="kw">as</span> <span class="ident">f64</span>) <span class="op">*</span> <span class="ident">height</span>;
            <span class="comment">// Horizontal</span>
            <span class="ident">batch</span>.<span class="ident">push</span>(
                <span class="ident">Color::grey</span>(<span class="number">0.5</span>),
                <span class="ident">geom::Line::must_new</span>(<span class="ident">Pt2D::new</span>(<span class="number">0.0</span>, <span class="ident">y</span>), <span class="ident">Pt2D::new</span>(<span class="ident">width</span>, <span class="ident">y</span>))
                    .<span class="ident">make_polygons</span>(<span class="ident">thickness</span>),
            );
            <span class="comment">// Vertical</span>
            <span class="ident">batch</span>.<span class="ident">push</span>(
                <span class="ident">Color::grey</span>(<span class="number">0.5</span>),
                <span class="ident">geom::Line::must_new</span>(<span class="ident">Pt2D::new</span>(<span class="ident">x</span>, <span class="number">0.0</span>), <span class="ident">Pt2D::new</span>(<span class="ident">x</span>, <span class="ident">height</span>))
                    .<span class="ident">make_polygons</span>(<span class="ident">thickness</span>),
            );
        }
        <span class="comment">// Draw the diagonal, since we&#39;re comparing things on the same scale</span>
        <span class="ident">batch</span>.<span class="ident">push</span>(
            <span class="ident">Color::grey</span>(<span class="number">0.5</span>),
            <span class="ident">geom::Line::must_new</span>(<span class="ident">Pt2D::new</span>(<span class="number">0.0</span>, <span class="ident">height</span>), <span class="ident">Pt2D::new</span>(<span class="ident">width</span>, <span class="number">0.0</span>))
                .<span class="ident">make_polygons</span>(<span class="ident">thickness</span>),
        );

        <span class="kw">let</span> <span class="ident">circle</span> <span class="op">=</span> <span class="ident">Circle::new</span>(<span class="ident">Pt2D::new</span>(<span class="number">0.0</span>, <span class="number">0.0</span>), <span class="ident">Distance::meters</span>(<span class="number">4.0</span>)).<span class="ident">to_polygon</span>();
        <span class="kw">for</span> (<span class="ident">b</span>, <span class="ident">a</span>) <span class="kw">in</span> <span class="ident">points</span> {
            <span class="kw">let</span> <span class="ident">pt</span> <span class="op">=</span> <span class="ident">Pt2D::new</span>((<span class="ident">b</span> <span class="op">/</span> <span class="ident">max</span>) <span class="op">*</span> <span class="ident">width</span>, (<span class="number">1.0</span> <span class="op">-</span> (<span class="ident">a</span> <span class="op">/</span> <span class="ident">max</span>)) <span class="op">*</span> <span class="ident">height</span>);
            <span class="comment">// TODO Could color circles by mode</span>
            <span class="kw">let</span> <span class="ident">color</span> <span class="op">=</span> <span class="kw">match</span> <span class="ident">a</span>.<span class="ident">cmp</span>(<span class="kw-2">&amp;</span><span class="ident">b</span>) {
                <span class="ident">std::cmp::Ordering::Equal</span> =&gt; <span class="ident">Color::YELLOW</span>.<span class="ident">alpha</span>(<span class="number">0.5</span>),
                <span class="ident">std::cmp::Ordering::Less</span> =&gt; <span class="ident">Color::GREEN</span>.<span class="ident">alpha</span>(<span class="number">0.9</span>),
                <span class="ident">std::cmp::Ordering::Greater</span> =&gt; <span class="ident">Color::RED</span>.<span class="ident">alpha</span>(<span class="number">0.9</span>),
            };
            <span class="ident">batch</span>.<span class="ident">push</span>(<span class="ident">color</span>, <span class="ident">circle</span>.<span class="ident">translate</span>(<span class="ident">pt</span>.<span class="ident">x</span>(), <span class="ident">pt</span>.<span class="ident">y</span>()));
        }
        <span class="kw">let</span> <span class="ident">plot</span> <span class="op">=</span> <span class="ident">Widget::new</span>(<span class="ident">Box::new</span>(<span class="ident">CompareTimes</span> {
            <span class="ident">dims</span>: <span class="ident">batch</span>.<span class="ident">get_dims</span>(),
            <span class="ident">draw</span>: <span class="ident">ctx</span>.<span class="ident">upload</span>(<span class="ident">batch</span>),
            <span class="ident">max</span>,
            <span class="ident">top_left</span>: <span class="ident">ScreenPt::new</span>(<span class="number">0.0</span>, <span class="number">0.0</span>),
        }));

        <span class="kw">let</span> <span class="ident">y_axis</span> <span class="op">=</span> <span class="ident">Widget::custom_col</span>(
            <span class="ident">labels</span>
                .<span class="ident">iter</span>()
                .<span class="ident">rev</span>()
                .<span class="ident">map</span>(<span class="op">|</span><span class="ident">x</span><span class="op">|</span> {
                    <span class="ident">Line</span>(<span class="ident">x</span>.<span class="ident">num_minutes_rounded_up</span>().<span class="ident">to_string</span>())
                        .<span class="ident">small</span>()
                        .<span class="ident">into_widget</span>(<span class="ident">ctx</span>)
                })
                .<span class="ident">collect</span>(),
        )
        .<span class="ident">evenly_spaced</span>();
        <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">y_label</span> <span class="op">=</span> <span class="ident">Text::from</span>(<span class="macro">format!</span>(<span class="string">&quot;{} (minutes)&quot;</span>, <span class="ident">y_name</span>.<span class="ident">as_ref</span>()))
            .<span class="ident">render</span>(<span class="ident">ctx</span>)
            .<span class="ident">rotate</span>(<span class="ident">Angle::degrees</span>(<span class="number">90.0</span>));
        <span class="ident">y_label</span>.<span class="ident">autocrop_dims</span> <span class="op">=</span> <span class="bool-val">true</span>;
        <span class="kw">let</span> <span class="ident">y_label</span> <span class="op">=</span> <span class="ident">y_label</span>
            .<span class="ident">autocrop</span>()
            .<span class="ident">into_widget</span>(<span class="ident">ctx</span>)
            .<span class="ident">centered_vert</span>()
            .<span class="ident">margin_right</span>(<span class="number">5</span>);

        <span class="kw">let</span> <span class="ident">x_axis</span> <span class="op">=</span> <span class="ident">Widget::custom_row</span>(
            <span class="ident">labels</span>
                .<span class="ident">iter</span>()
                .<span class="ident">map</span>(<span class="op">|</span><span class="ident">x</span><span class="op">|</span> {
                    <span class="ident">Line</span>(<span class="ident">x</span>.<span class="ident">num_minutes_rounded_up</span>().<span class="ident">to_string</span>())
                        .<span class="ident">small</span>()
                        .<span class="ident">into_widget</span>(<span class="ident">ctx</span>)
                })
                .<span class="ident">collect</span>(),
        )
        .<span class="ident">evenly_spaced</span>();
        <span class="kw">let</span> <span class="ident">x_label</span> <span class="op">=</span> <span class="macro">format!</span>(<span class="string">&quot;{} (minutes)&quot;</span>, <span class="ident">x_name</span>.<span class="ident">as_ref</span>())
            .<span class="ident">text_widget</span>(<span class="ident">ctx</span>)
            .<span class="ident">centered_horiz</span>();

        <span class="comment">// It&#39;s a bit of work to make both the x and y axis line up with the plot. :)</span>
        <span class="kw">let</span> <span class="ident">plot_width</span> <span class="op">=</span> <span class="ident">plot</span>.<span class="ident">get_width_for_forcing</span>();
        <span class="ident">Widget::custom_col</span>(<span class="macro">vec!</span>[
            <span class="ident">Widget::custom_row</span>(<span class="macro">vec!</span>[<span class="ident">y_label</span>, <span class="ident">y_axis</span>, <span class="ident">plot</span>]),
            <span class="ident">Widget::custom_col</span>(<span class="macro">vec!</span>[<span class="ident">x_axis</span>, <span class="ident">x_label</span>])
                .<span class="ident">force_width</span>(<span class="ident">plot_width</span>)
                .<span class="ident">align_right</span>(),
        ])
        .<span class="ident">container</span>()
    }
}

<span class="kw">impl</span> <span class="ident">WidgetImpl</span> <span class="kw">for</span> <span class="ident">CompareTimes</span> {
    <span class="kw">fn</span> <span class="ident">get_dims</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="ident">ScreenDims</span> {
        <span class="self">self</span>.<span class="ident">dims</span>
    }

    <span class="kw">fn</span> <span class="ident">set_pos</span>(<span class="kw-2">&amp;mut</span> <span class="self">self</span>, <span class="ident">top_left</span>: <span class="ident">ScreenPt</span>) {
        <span class="self">self</span>.<span class="ident">top_left</span> <span class="op">=</span> <span class="ident">top_left</span>;
    }

    <span class="kw">fn</span> <span class="ident">event</span>(<span class="kw-2">&amp;mut</span> <span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&amp;mut</span> <span class="ident">EventCtx</span>, <span class="kw">_</span>: <span class="kw-2">&amp;mut</span> <span class="ident">WidgetOutput</span>) {}

    <span class="kw">fn</span> <span class="ident">draw</span>(<span class="kw-2">&amp;</span><span class="self">self</span>, <span class="ident">g</span>: <span class="kw-2">&amp;mut</span> <span class="ident">GfxCtx</span>) {
        <span class="ident">g</span>.<span class="ident">redraw_at</span>(<span class="self">self</span>.<span class="ident">top_left</span>, <span class="kw-2">&amp;</span><span class="self">self</span>.<span class="ident">draw</span>);

        <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">cursor</span>) <span class="op">=</span> <span class="ident">g</span>.<span class="ident">canvas</span>.<span class="ident">get_cursor_in_screen_space</span>() {
            <span class="kw">let</span> <span class="ident">rect</span> <span class="op">=</span> <span class="ident">ScreenRectangle::top_left</span>(<span class="self">self</span>.<span class="ident">top_left</span>, <span class="self">self</span>.<span class="ident">dims</span>);
            <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>((<span class="ident">pct_x</span>, <span class="ident">pct_y</span>)) <span class="op">=</span> <span class="ident">rect</span>.<span class="ident">pt_to_percent</span>(<span class="ident">cursor</span>) {
                <span class="kw">let</span> <span class="ident">thickness</span> <span class="op">=</span> <span class="ident">Distance::meters</span>(<span class="number">2.0</span>);
                <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">batch</span> <span class="op">=</span> <span class="ident">GeomBatch::new</span>();
                <span class="comment">// Horizontal</span>
                <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Ok</span>(<span class="ident">l</span>) <span class="op">=</span> <span class="ident">geom::Line::new</span>(<span class="ident">Pt2D::new</span>(<span class="ident">rect</span>.<span class="ident">x1</span>, <span class="ident">cursor</span>.<span class="ident">y</span>), <span class="ident">cursor</span>.<span class="ident">to_pt</span>()) {
                    <span class="ident">batch</span>.<span class="ident">push</span>(<span class="ident">Color::WHITE</span>, <span class="ident">l</span>.<span class="ident">make_polygons</span>(<span class="ident">thickness</span>));
                }
                <span class="comment">// Vertical</span>
                <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Ok</span>(<span class="ident">l</span>) <span class="op">=</span> <span class="ident">geom::Line::new</span>(<span class="ident">Pt2D::new</span>(<span class="ident">cursor</span>.<span class="ident">x</span>, <span class="ident">rect</span>.<span class="ident">y2</span>), <span class="ident">cursor</span>.<span class="ident">to_pt</span>()) {
                    <span class="ident">batch</span>.<span class="ident">push</span>(<span class="ident">Color::WHITE</span>, <span class="ident">l</span>.<span class="ident">make_polygons</span>(<span class="ident">thickness</span>));
                }

                <span class="ident">g</span>.<span class="ident">fork_screenspace</span>();
                <span class="kw">let</span> <span class="ident">draw</span> <span class="op">=</span> <span class="ident">g</span>.<span class="ident">upload</span>(<span class="ident">batch</span>);
                <span class="ident">g</span>.<span class="ident">redraw</span>(<span class="kw-2">&amp;</span><span class="ident">draw</span>);
                <span class="comment">// TODO Quite specialized to the one use right now</span>
                <span class="kw">let</span> <span class="ident">before</span> <span class="op">=</span> <span class="ident">pct_x</span> <span class="op">*</span> <span class="self">self</span>.<span class="ident">max</span>;
                <span class="kw">let</span> <span class="ident">after</span> <span class="op">=</span> (<span class="number">1.0</span> <span class="op">-</span> <span class="ident">pct_y</span>) <span class="op">*</span> <span class="self">self</span>.<span class="ident">max</span>;
                <span class="kw">if</span> <span class="ident">after</span> <span class="op">&lt;</span><span class="op">=</span> <span class="ident">before</span> {
                    <span class="ident">g</span>.<span class="ident">draw_mouse_tooltip</span>(<span class="ident">Text::from_multiline</span>(<span class="macro">vec!</span>[
                        <span class="ident">Line</span>(<span class="macro">format!</span>(<span class="string">&quot;Before: {}&quot;</span>, <span class="ident">before</span>)),
                        <span class="ident">Line</span>(<span class="macro">format!</span>(<span class="string">&quot;After: {}&quot;</span>, <span class="ident">after</span>)),
                        <span class="ident">Line</span>(<span class="macro">format!</span>(
                            <span class="string">&quot;{} faster (-{:.1}%)&quot;</span>,
                            <span class="ident">before</span> <span class="op">-</span> <span class="ident">after</span>,
                            <span class="number">100.0</span> <span class="op">*</span> (<span class="number">1.0</span> <span class="op">-</span> <span class="ident">after</span> <span class="op">/</span> <span class="ident">before</span>)
                        ))
                        .<span class="ident">fg</span>(<span class="ident">Color::hex</span>(<span class="string">&quot;#72CE36&quot;</span>)),
                    ]));
                } <span class="kw">else</span> {
                    <span class="ident">g</span>.<span class="ident">draw_mouse_tooltip</span>(<span class="ident">Text::from_multiline</span>(<span class="macro">vec!</span>[
                        <span class="ident">Line</span>(<span class="macro">format!</span>(<span class="string">&quot;Before: {}&quot;</span>, <span class="ident">before</span>)),
                        <span class="ident">Line</span>(<span class="macro">format!</span>(<span class="string">&quot;After: {}&quot;</span>, <span class="ident">after</span>)),
                        <span class="ident">Line</span>(<span class="macro">format!</span>(
                            <span class="string">&quot;{} slower (+{:.1}%)&quot;</span>,
                            <span class="ident">after</span> <span class="op">-</span> <span class="ident">before</span>,
                            <span class="number">100.0</span> <span class="op">*</span> (<span class="ident">after</span> <span class="op">/</span> <span class="ident">before</span> <span class="op">-</span> <span class="number">1.0</span>)
                        ))
                        .<span class="ident">fg</span>(<span class="ident">Color::hex</span>(<span class="string">&quot;#EB3223&quot;</span>)),
                    ]));
                }
                <span class="ident">g</span>.<span class="ident">unfork</span>();
            }
        }
    }
}
</code></pre></div>
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