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</pre><pre class="rust"><code><span class="kw">use</span> <span class="ident">std::collections::BTreeSet</span>;

<span class="kw">use</span> <span class="ident">abstutil::prettyprint_usize</span>;
<span class="kw">use</span> <span class="ident">geom</span>::{<span class="ident">Circle</span>, <span class="ident">Distance</span>, <span class="ident">Pt2D</span>, <span class="ident">Time</span>};
<span class="kw">use</span> <span class="ident">map_gui::tools</span>::{<span class="ident">checkbox_per_mode</span>, <span class="ident">make_heatmap</span>, <span class="ident">HeatmapOptions</span>};
<span class="kw">use</span> <span class="ident">sim</span>::{<span class="ident">Problem</span>, <span class="ident">TripInfo</span>, <span class="ident">TripMode</span>};
<span class="kw">use</span> <span class="ident">widgetry::mapspace::ToggleZoomed</span>;
<span class="kw">use</span> <span class="ident">widgetry</span>::{
    <span class="ident">Color</span>, <span class="ident">EventCtx</span>, <span class="ident">GfxCtx</span>, <span class="ident">Line</span>, <span class="ident">Outcome</span>, <span class="ident">Panel</span>, <span class="ident">Slider</span>, <span class="ident">Text</span>, <span class="ident">TextExt</span>, <span class="ident">Toggle</span>, <span class="ident">Widget</span>,
};

<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::app::App</span>;
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::layer</span>::{<span class="ident">header</span>, <span class="ident">Layer</span>, <span class="ident">LayerOutcome</span>, <span class="ident">PANEL_PLACEMENT</span>};

<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">ProblemMap</span> {
    <span class="ident">time</span>: <span class="ident">Time</span>,
    <span class="ident">opts</span>: <span class="ident">Options</span>,
    <span class="ident">draw</span>: <span class="ident">ToggleZoomed</span>,
    <span class="ident">panel</span>: <span class="ident">Panel</span>,
}

<span class="kw">impl</span> <span class="ident">Layer</span> <span class="kw">for</span> <span class="ident">ProblemMap</span> {
    <span class="kw">fn</span> <span class="ident">name</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="kw-2">&amp;</span><span class="lifetime">&#39;static</span> <span class="ident">str</span><span class="op">&gt;</span> {
        <span class="prelude-val">Some</span>(<span class="string">&quot;problem map&quot;</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="ident">ctx</span>: <span class="kw-2">&amp;mut</span> <span class="ident">EventCtx</span>, <span class="ident">app</span>: <span class="kw-2">&amp;mut</span> <span class="ident">App</span>) -&gt; <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">LayerOutcome</span><span class="op">&gt;</span> {
        <span class="kw">if</span> <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">sim</span>.<span class="ident">time</span>() <span class="op">!</span><span class="op">=</span> <span class="self">self</span>.<span class="ident">time</span> {
            <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">new</span> <span class="op">=</span> <span class="ident">ProblemMap::new</span>(<span class="ident">ctx</span>, <span class="ident">app</span>, <span class="self">self</span>.<span class="ident">opts</span>.<span class="ident">clone</span>());
            <span class="ident">new</span>.<span class="ident">panel</span>.<span class="ident">restore</span>(<span class="ident">ctx</span>, <span class="kw-2">&amp;</span><span class="self">self</span>.<span class="ident">panel</span>);
            <span class="kw-2">*</span><span class="self">self</span> <span class="op">=</span> <span class="ident">new</span>;
        }

        <span class="kw">match</span> <span class="self">self</span>.<span class="ident">panel</span>.<span class="ident">event</span>(<span class="ident">ctx</span>) {
            <span class="ident">Outcome::Clicked</span>(<span class="ident">x</span>) =&gt; <span class="kw">match</span> <span class="ident">x</span>.<span class="ident">as_ref</span>() {
                <span class="string">&quot;close&quot;</span> =&gt; {
                    <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">LayerOutcome::Close</span>);
                }
                <span class="kw">_</span> =&gt; <span class="macro">unreachable!</span>(),
            },
            <span class="kw">_</span> =&gt; {
                <span class="kw">let</span> <span class="ident">new_opts</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">options</span>(<span class="ident">app</span>);
                <span class="kw">if</span> <span class="self">self</span>.<span class="ident">opts</span> <span class="op">!</span><span class="op">=</span> <span class="ident">new_opts</span> {
                    <span class="kw-2">*</span><span class="self">self</span> <span class="op">=</span> <span class="ident">ProblemMap::new</span>(<span class="ident">ctx</span>, <span class="ident">app</span>, <span class="ident">new_opts</span>);
                }
            }
        }
        <span class="prelude-val">None</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="kw">_</span>: <span class="kw-2">&amp;</span><span class="ident">App</span>) {
        <span class="self">self</span>.<span class="ident">panel</span>.<span class="ident">draw</span>(<span class="ident">g</span>);
        <span class="self">self</span>.<span class="ident">draw</span>.<span class="ident">draw</span>(<span class="ident">g</span>);
    }
    <span class="kw">fn</span> <span class="ident">draw_minimap</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</span>(<span class="kw-2">&amp;</span><span class="self">self</span>.<span class="ident">draw</span>.<span class="ident">unzoomed</span>);
    }
}

<span class="kw">impl</span> <span class="ident">ProblemMap</span> {
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">ctx</span>: <span class="kw-2">&amp;mut</span> <span class="ident">EventCtx</span>, <span class="ident">app</span>: <span class="kw-2">&amp;</span><span class="ident">App</span>, <span class="ident">opts</span>: <span class="ident">Options</span>) -&gt; <span class="ident">ProblemMap</span> {
        <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">pts</span> <span class="op">=</span> <span class="ident">Vec::new</span>();
        <span class="kw">for</span> (<span class="ident">trip</span>, <span class="ident">problems</span>) <span class="kw">in</span> <span class="kw-2">&amp;</span><span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">sim</span>.<span class="ident">get_analytics</span>().<span class="ident">problems_per_trip</span> {
            <span class="kw">for</span> (<span class="ident">time</span>, <span class="ident">problem</span>) <span class="kw">in</span> <span class="ident">problems</span> {
                <span class="kw">if</span> <span class="ident">opts</span>.<span class="ident">show</span>(<span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">sim</span>.<span class="ident">trip_info</span>(<span class="kw-2">*</span><span class="ident">trip</span>), <span class="kw-2">*</span><span class="ident">time</span>, <span class="ident">problem</span>) {
                    <span class="ident">pts</span>.<span class="ident">push</span>(<span class="kw">match</span> <span class="ident">problem</span> {
                        <span class="ident">Problem::IntersectionDelay</span>(<span class="ident">i</span>, <span class="kw">_</span>)
                        <span class="op">|</span> <span class="ident">Problem::ComplexIntersectionCrossing</span>(<span class="ident">i</span>) =&gt; {
                            <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>.<span class="ident">get_i</span>(<span class="kw-2">*</span><span class="ident">i</span>).<span class="ident">polygon</span>.<span class="ident">center</span>()
                        }
                        <span class="ident">Problem::OvertakeDesired</span>(<span class="ident">on</span>) =&gt; <span class="ident">on</span>.<span class="ident">get_polyline</span>(<span class="kw-2">&amp;</span><span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>).<span class="ident">middle</span>(),
                        <span class="ident">Problem::ArterialIntersectionCrossing</span>(<span class="ident">t</span>) =&gt; {
                            <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>.<span class="ident">get_t</span>(<span class="kw-2">*</span><span class="ident">t</span>).<span class="ident">geom</span>.<span class="ident">middle</span>()
                        }
                    });
                }
            }
        }
        <span class="kw">let</span> <span class="ident">num_pts</span> <span class="op">=</span> <span class="ident">pts</span>.<span class="ident">len</span>();

        <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">draw</span> <span class="op">=</span> <span class="ident">ToggleZoomed::builder</span>();
        <span class="kw">let</span> <span class="ident">legend</span> <span class="op">=</span> <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">o</span>) <span class="op">=</span> <span class="ident">opts</span>.<span class="ident">heatmap</span> {
            <span class="prelude-val">Some</span>(<span class="ident">make_heatmap</span>(
                <span class="ident">ctx</span>,
                <span class="kw-2">&amp;mut</span> <span class="ident">draw</span>.<span class="ident">unzoomed</span>,
                <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>.<span class="ident">get_bounds</span>(),
                <span class="ident">pts</span>,
                <span class="ident">o</span>,
            ))
        } <span class="kw">else</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">10.0</span>)).<span class="ident">to_polygon</span>();
            <span class="comment">// TODO Different colors per problem type</span>
            <span class="kw">for</span> <span class="ident">pt</span> <span class="kw">in</span> <span class="ident">pts</span> {
                <span class="ident">draw</span>.<span class="ident">unzoomed</span>
                    .<span class="ident">push</span>(<span class="ident">Color::PURPLE</span>.<span class="ident">alpha</span>(<span class="number">0.8</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="prelude-val">None</span>
        };
        <span class="kw">let</span> <span class="ident">controls</span> <span class="op">=</span> <span class="ident">make_controls</span>(<span class="ident">ctx</span>, <span class="ident">app</span>, <span class="kw-2">&amp;</span><span class="ident">opts</span>, <span class="ident">legend</span>, <span class="ident">num_pts</span>);
        <span class="ident">ProblemMap</span> {
            <span class="ident">time</span>: <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">sim</span>.<span class="ident">time</span>(),
            <span class="ident">opts</span>,
            <span class="ident">draw</span>: <span class="ident">draw</span>.<span class="ident">build</span>(<span class="ident">ctx</span>),
            <span class="ident">panel</span>: <span class="ident">controls</span>,
        }
    }

    <span class="kw">fn</span> <span class="ident">options</span>(<span class="kw-2">&amp;</span><span class="self">self</span>, <span class="ident">app</span>: <span class="kw-2">&amp;</span><span class="ident">App</span>) -&gt; <span class="ident">Options</span> {
        <span class="kw">let</span> <span class="ident">heatmap</span> <span class="op">=</span> <span class="kw">if</span> <span class="self">self</span>.<span class="ident">panel</span>.<span class="ident">is_checked</span>(<span class="string">&quot;Show heatmap&quot;</span>) {
            <span class="prelude-val">Some</span>(<span class="ident">HeatmapOptions::from_controls</span>(<span class="kw-2">&amp;</span><span class="self">self</span>.<span class="ident">panel</span>))
        } <span class="kw">else</span> {
            <span class="prelude-val">None</span>
        };
        <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">modes</span> <span class="op">=</span> <span class="ident">BTreeSet::new</span>();
        <span class="kw">for</span> <span class="ident">m</span> <span class="kw">in</span> <span class="ident">TripMode::all</span>() {
            <span class="kw">if</span> <span class="self">self</span>.<span class="ident">panel</span>.<span class="ident">is_checked</span>(<span class="ident">m</span>.<span class="ident">ongoing_verb</span>()) {
                <span class="ident">modes</span>.<span class="ident">insert</span>(<span class="ident">m</span>);
            }
        }
        <span class="kw">let</span> <span class="ident">end_of_day</span> <span class="op">=</span> <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">sim</span>.<span class="ident">get_end_of_day</span>();
        <span class="ident">Options</span> {
            <span class="ident">heatmap</span>,
            <span class="ident">modes</span>,
            <span class="ident">time1</span>: <span class="ident">end_of_day</span>.<span class="ident">percent_of</span>(<span class="self">self</span>.<span class="ident">panel</span>.<span class="ident">slider</span>(<span class="string">&quot;time1&quot;</span>).<span class="ident">get_percent</span>()),
            <span class="ident">time2</span>: <span class="ident">end_of_day</span>.<span class="ident">percent_of</span>(<span class="self">self</span>.<span class="ident">panel</span>.<span class="ident">slider</span>(<span class="string">&quot;time2&quot;</span>).<span class="ident">get_percent</span>()),
            <span class="ident">show_delays</span>: <span class="self">self</span>.<span class="ident">panel</span>.<span class="ident">is_checked</span>(<span class="string">&quot;show delays&quot;</span>),
            <span class="ident">show_complex_crossings</span>: <span class="self">self</span>
                .<span class="ident">panel</span>
                .<span class="ident">is_checked</span>(<span class="string">&quot;show where cyclists cross complex intersections&quot;</span>),
            <span class="ident">show_overtakes</span>: <span class="self">self</span>
                .<span class="ident">panel</span>
                .<span class="ident">is_checked</span>(<span class="string">&quot;show where cars want to overtake cyclists&quot;</span>),
            <span class="ident">show_arterial_crossings</span>: <span class="self">self</span>
                .<span class="ident">panel</span>
                .<span class="ident">is_checked</span>(<span class="string">&quot;show where pedestrians cross arterial intersections&quot;</span>),
        }
    }
}

<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Clone</span>, <span class="ident">PartialEq</span>)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Options</span> {
    <span class="comment">// If None, just a dot map</span>
    <span class="ident">heatmap</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">HeatmapOptions</span><span class="op">&gt;</span>,
    <span class="ident">modes</span>: <span class="ident">BTreeSet</span><span class="op">&lt;</span><span class="ident">TripMode</span><span class="op">&gt;</span>,
    <span class="ident">time1</span>: <span class="ident">Time</span>,
    <span class="ident">time2</span>: <span class="ident">Time</span>,
    <span class="ident">show_delays</span>: <span class="ident">bool</span>,
    <span class="ident">show_complex_crossings</span>: <span class="ident">bool</span>,
    <span class="ident">show_overtakes</span>: <span class="ident">bool</span>,
    <span class="ident">show_arterial_crossings</span>: <span class="ident">bool</span>,
    <span class="comment">// TODO Time range</span>
}

<span class="kw">impl</span> <span class="ident">Options</span> {
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">app</span>: <span class="kw-2">&amp;</span><span class="ident">App</span>) -&gt; <span class="ident">Options</span> {
        <span class="ident">Options</span> {
            <span class="ident">heatmap</span>: <span class="prelude-val">Some</span>(<span class="ident">HeatmapOptions::new</span>()),
            <span class="ident">modes</span>: <span class="ident">TripMode::all</span>().<span class="ident">into_iter</span>().<span class="ident">collect</span>(),
            <span class="ident">time1</span>: <span class="ident">Time::START_OF_DAY</span>,
            <span class="ident">time2</span>: <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">sim</span>.<span class="ident">get_end_of_day</span>(),
            <span class="ident">show_delays</span>: <span class="bool-val">true</span>,
            <span class="ident">show_complex_crossings</span>: <span class="bool-val">true</span>,
            <span class="ident">show_overtakes</span>: <span class="bool-val">true</span>,
            <span class="ident">show_arterial_crossings</span>: <span class="bool-val">true</span>,
        }
    }

    <span class="kw">fn</span> <span class="ident">show</span>(<span class="kw-2">&amp;</span><span class="self">self</span>, <span class="ident">trip</span>: <span class="ident">TripInfo</span>, <span class="ident">time</span>: <span class="ident">Time</span>, <span class="ident">problem</span>: <span class="kw-2">&amp;</span><span class="ident">Problem</span>) -&gt; <span class="ident">bool</span> {
        <span class="kw">if</span> <span class="op">!</span><span class="self">self</span>.<span class="ident">modes</span>.<span class="ident">contains</span>(<span class="kw-2">&amp;</span><span class="ident">trip</span>.<span class="ident">mode</span>) <span class="op">|</span><span class="op">|</span> <span class="ident">time</span> <span class="op">&lt;</span> <span class="self">self</span>.<span class="ident">time1</span> <span class="op">|</span><span class="op">|</span> <span class="ident">time</span> <span class="op">&gt;</span> <span class="self">self</span>.<span class="ident">time2</span> {
            <span class="kw">return</span> <span class="bool-val">false</span>;
        }
        <span class="kw">match</span> <span class="ident">problem</span> {
            <span class="ident">Problem::IntersectionDelay</span>(<span class="kw">_</span>, <span class="kw">_</span>) =&gt; <span class="self">self</span>.<span class="ident">show_delays</span>,
            <span class="ident">Problem::ComplexIntersectionCrossing</span>(<span class="kw">_</span>) =&gt; <span class="self">self</span>.<span class="ident">show_complex_crossings</span>,
            <span class="ident">Problem::OvertakeDesired</span>(<span class="kw">_</span>) =&gt; <span class="self">self</span>.<span class="ident">show_overtakes</span>,
            <span class="ident">Problem::ArterialIntersectionCrossing</span>(<span class="kw">_</span>) =&gt; <span class="self">self</span>.<span class="ident">show_arterial_crossings</span>,
        }
    }
}

<span class="kw">fn</span> <span class="ident">make_controls</span>(
    <span class="ident">ctx</span>: <span class="kw-2">&amp;mut</span> <span class="ident">EventCtx</span>,
    <span class="ident">app</span>: <span class="kw-2">&amp;</span><span class="ident">App</span>,
    <span class="ident">opts</span>: <span class="kw-2">&amp;</span><span class="ident">Options</span>,
    <span class="ident">legend</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">Widget</span><span class="op">&gt;</span>,
    <span class="ident">num_problems</span>: <span class="ident">usize</span>,
) -&gt; <span class="ident">Panel</span> {
    <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">col</span> <span class="op">=</span> <span class="macro">vec!</span>[
        <span class="ident">header</span>(<span class="ident">ctx</span>, <span class="string">&quot;Problems encountered&quot;</span>),
        <span class="ident">Text::from_all</span>(<span class="macro">vec!</span>[
            <span class="ident">Line</span>(<span class="string">&quot;Matching problems: &quot;</span>).<span class="ident">secondary</span>(),
            <span class="ident">Line</span>(<span class="ident">prettyprint_usize</span>(<span class="ident">num_problems</span>)),
        ])
        .<span class="ident">into_widget</span>(<span class="ident">ctx</span>),
    ];

    <span class="comment">// TODO You can&#39;t drag the sliders, since we don&#39;t remember that we&#39;re dragging a particular</span>
    <span class="comment">// slider when we recreate it here. Use panel.replace?</span>
    <span class="kw">let</span> <span class="ident">end_of_day</span> <span class="op">=</span> <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">sim</span>.<span class="ident">get_end_of_day</span>();
    <span class="ident">col</span>.<span class="ident">push</span>(<span class="ident">Widget::row</span>(<span class="macro">vec!</span>[
        <span class="string">&quot;Happening between:&quot;</span>.<span class="ident">text_widget</span>(<span class="ident">ctx</span>).<span class="ident">margin_right</span>(<span class="number">20</span>),
        <span class="ident">Slider::area</span>(
            <span class="ident">ctx</span>,
            <span class="number">0.15</span> <span class="op">*</span> <span class="ident">ctx</span>.<span class="ident">canvas</span>.<span class="ident">window_width</span>,
            <span class="ident">opts</span>.<span class="ident">time1</span>.<span class="ident">to_percent</span>(<span class="ident">end_of_day</span>),
            <span class="string">&quot;time1&quot;</span>,
        )
        .<span class="ident">align_right</span>(),
    ]));
    <span class="ident">col</span>.<span class="ident">push</span>(<span class="ident">Widget::row</span>(<span class="macro">vec!</span>[
        <span class="string">&quot;and:&quot;</span>.<span class="ident">text_widget</span>(<span class="ident">ctx</span>).<span class="ident">margin_right</span>(<span class="number">20</span>),
        <span class="ident">Slider::area</span>(
            <span class="ident">ctx</span>,
            <span class="number">0.15</span> <span class="op">*</span> <span class="ident">ctx</span>.<span class="ident">canvas</span>.<span class="ident">window_width</span>,
            <span class="ident">opts</span>.<span class="ident">time2</span>.<span class="ident">to_percent</span>(<span class="ident">end_of_day</span>),
            <span class="string">&quot;time2&quot;</span>,
        )
        .<span class="ident">align_right</span>(),
    ]));
    <span class="ident">col</span>.<span class="ident">push</span>(<span class="ident">checkbox_per_mode</span>(<span class="ident">ctx</span>, <span class="ident">app</span>, <span class="kw-2">&amp;</span><span class="ident">opts</span>.<span class="ident">modes</span>));
    <span class="ident">col</span>.<span class="ident">push</span>(<span class="ident">Toggle::checkbox</span>(<span class="ident">ctx</span>, <span class="string">&quot;show delays&quot;</span>, <span class="prelude-val">None</span>, <span class="ident">opts</span>.<span class="ident">show_delays</span>));
    <span class="ident">col</span>.<span class="ident">push</span>(<span class="ident">Toggle::checkbox</span>(
        <span class="ident">ctx</span>,
        <span class="string">&quot;show where cyclists cross complex intersections&quot;</span>,
        <span class="prelude-val">None</span>,
        <span class="ident">opts</span>.<span class="ident">show_complex_crossings</span>,
    ));
    <span class="ident">col</span>.<span class="ident">push</span>(<span class="ident">Toggle::checkbox</span>(
        <span class="ident">ctx</span>,
        <span class="string">&quot;show where cars want to overtake cyclists&quot;</span>,
        <span class="prelude-val">None</span>,
        <span class="ident">opts</span>.<span class="ident">show_overtakes</span>,
    ));
    <span class="ident">col</span>.<span class="ident">push</span>(<span class="ident">Toggle::checkbox</span>(
        <span class="ident">ctx</span>,
        <span class="string">&quot;show where pedestrians cross arterial intersections&quot;</span>,
        <span class="prelude-val">None</span>,
        <span class="ident">opts</span>.<span class="ident">show_arterial_crossings</span>,
    ));

    <span class="ident">col</span>.<span class="ident">push</span>(<span class="ident">Toggle::choice</span>(
        <span class="ident">ctx</span>,
        <span class="string">&quot;Show heatmap&quot;</span>,
        <span class="string">&quot;Heatmap&quot;</span>,
        <span class="string">&quot;Points&quot;</span>,
        <span class="prelude-val">None</span>,
        <span class="ident">opts</span>.<span class="ident">heatmap</span>.<span class="ident">is_some</span>(),
    ));
    <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">o</span>) <span class="op">=</span> <span class="ident">opts</span>.<span class="ident">heatmap</span> {
        <span class="ident">col</span>.<span class="ident">push</span>(<span class="ident">Line</span>(<span class="string">&quot;Heatmap Options&quot;</span>).<span class="ident">small_heading</span>().<span class="ident">into_widget</span>(<span class="ident">ctx</span>));
        <span class="ident">col</span>.<span class="ident">extend</span>(<span class="ident">o</span>.<span class="ident">to_controls</span>(<span class="ident">ctx</span>, <span class="ident">legend</span>.<span class="ident">unwrap</span>()));
    }

    <span class="ident">Panel::new_builder</span>(<span class="ident">Widget::col</span>(<span class="ident">col</span>))
        .<span class="ident">aligned_pair</span>(<span class="ident">PANEL_PLACEMENT</span>)
        .<span class="ident">build</span>(<span class="ident">ctx</span>)
}
</code></pre></div>
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