Restructured example code

implot-examples/examples-shared/src/bar_plots.rs

@@ -1,7 +1,7 @@
 //! This example demonstrates how bar plots are to be used. For more general
 //! features of the libray, see the line_plots example.
 
-use imgui::{im_str, CollapsingHeader, Condition, Ui, Window};
+use imgui::{im_str, CollapsingHeader, Ui};
 use implot::{Plot, PlotBars, PlotUi};
 
 pub fn show_basic_vertical_plot(ui: &Ui, plot_ui: &PlotUi) {
@@ -39,25 +39,11 @@ pub fn show_basic_horizontal_plot(ui: &Ui, plot_ui: &PlotUi) {
         });
 }
 
-pub fn show_demo_window(ui: &Ui, plot_ui: &PlotUi) {
+pub fn show_demo_headers(ui: &Ui, plot_ui: &PlotUi) {
-    Window::new(im_str!("Bar plots example"))
+    if CollapsingHeader::new(im_str!("Bar plots: Basic vertical")).build(&ui) {
-        .size([430.0, 450.0], Condition::FirstUseEver)
-        .build(ui, || {
-            ui.text(im_str!("Hello from implot-rs!"));
-            ui.text_wrapped(im_str!(
-                "The headers here demo the bar plotting features of the library. \
-                    Have a look at the example source code to see how they are implemented.\n\
-                    Check out the demo from ImPlot itself first \
-                    for instructions on how to interact with ImPlot plots."
-            ));
-
-            // Show individual examples in collapsed headers
-            if CollapsingHeader::new(im_str!("Basic vertical plot")).build(&ui) {
         show_basic_vertical_plot(&ui, &plot_ui);
     }
-
+    if CollapsingHeader::new(im_str!("Bar plots: Basic horizontal")).build(&ui) {
-            if CollapsingHeader::new(im_str!("Basic horizontal plot")).build(&ui) {
         show_basic_horizontal_plot(&ui, &plot_ui);
     }
-        });
 }

implot-examples/examples-shared/src/heatmaps.rs

@@ -1,8 +1,8 @@
 //! This example demonstrates how heatmaps are to be used. For more general
 //! features of the libray, see the line_plots example.
 
-use imgui::{im_str, CollapsingHeader, Condition, Ui, Window};
+use imgui::{im_str, CollapsingHeader, Ui};
-use implot::{Plot, PlotHeatmap, PlotUi};
+use implot::{ImPlotPoint, Plot, PlotHeatmap, PlotUi};
 
 pub fn show_basic_heatmap(ui: &Ui, plot_ui: &PlotUi) {
     ui.text(im_str!("This header shows a simple heatmap"));
@@ -16,25 +16,16 @@ pub fn show_basic_heatmap(ui: &Ui, plot_ui: &PlotUi) {
             PlotHeatmap::new("my favourite heatmap")
                 // If you omit the with_scale call, the range will be computed based on the values
                 .with_scale(0.0, 10.0)
+                .with_drawing_area(
+                    ImPlotPoint { x: -1.0, y: -1.0 },
+                    ImPlotPoint { x: 1.0, y: 1.0 },
+                )
                 .plot(&values, 10, 10);
         });
 }
 
-pub fn show_demo_window(ui: &Ui, plot_ui: &PlotUi) {
+pub fn show_demo_headers(ui: &Ui, plot_ui: &PlotUi) {
-    Window::new(im_str!("Heatmaps example"))
+    if CollapsingHeader::new(im_str!("Heatmap: Basic")).build(&ui) {
-        .size([430.0, 450.0], Condition::FirstUseEver)
-        .build(ui, || {
-            ui.text(im_str!("Hello from implot-rs!"));
-            ui.text_wrapped(im_str!(
-                "The headers here demo the heatmap plotting features of the library. \
-                 Have a look at the example source code to see how they are implemented.\n\
-                 Check out the demo from ImPlot itself first \
-                 for instructions on how to interact with ImPlot plots."
-            ));
-
-            // Show individual examples in collapsed headers
-            if CollapsingHeader::new(im_str!("Basic vertical plot")).build(&ui) {
         show_basic_heatmap(&ui, &plot_ui);
     }
-        });
 }

implot-examples/examples-shared/src/lib.rs

@@ -5,14 +5,43 @@ pub mod scatter_plots;
 pub mod stairs_plots;
 pub mod text_plots;
 
-use imgui::Ui;
+use imgui::{im_str, Condition, Ui, Window};
 use implot::PlotUi;
 
 pub fn show_demos(ui: &Ui, plot_ui: &PlotUi) {
-    bar_plots::show_demo_window(ui, plot_ui);
+    Window::new(im_str!("implot-rs demo"))
-    line_plots::show_demo_window(ui, plot_ui);
+        .size([430.0, 450.0], Condition::FirstUseEver)
-    scatter_plots::show_demo_window(ui, plot_ui);
+        .build(ui, || {
-    text_plots::show_demo_window(ui, plot_ui);
+            ui.text(im_str!("Hello from implot-rs!"));
-    stairs_plots::show_demo_window(ui, plot_ui);
+            ui.text_wrapped(im_str!(
-    heatmaps::show_demo_window(ui, plot_ui);
+                "The headers here demo the plotting features of the library.\
+                 Have a look at the example source code to see how they are implemented.\n\
+                 Check out the demo from ImPlot itself first for instructions on how to\
+                 interact with ImPlot plots."
+            ));
+
+            ui.separator();
+            ui.text(im_str!("Bar plots:"));
+            bar_plots::show_demo_headers(ui, plot_ui);
+
+            ui.separator();
+            ui.text(im_str!("Line plots:"));
+            line_plots::show_demo_headers(ui, plot_ui);
+
+            ui.separator();
+            ui.text(im_str!("Scatter plots:"));
+            scatter_plots::show_demo_headers(ui, plot_ui);
+
+            ui.separator();
+            ui.text(im_str!("Text plots:"));
+            text_plots::show_demo_headers(ui, plot_ui);
+
+            ui.separator();
+            ui.text(im_str!("Stairs plots:"));
+            stairs_plots::show_demo_headers(ui, plot_ui);
+
+            ui.separator();
+            ui.text(im_str!("Heatmaps:"));
+            heatmaps::show_demo_headers(ui, plot_ui);
+        });
 }

implot-examples/examples-shared/src/line_plots.rs

@@ -1,7 +1,7 @@
 //! This example demonstrates how line plots are to be used, along with some querying features
 //! that will be applicable to all kinds of plots.
 
-use imgui::{im_str, CollapsingHeader, Condition, Ui, Window};
+use imgui::{im_str, CollapsingHeader, Condition, Ui};
 use implot::{
     get_plot_limits, get_plot_mouse_position, get_plot_query, is_plot_hovered, is_plot_queried,
     pixels_to_plot_vec2, plot_to_pixels_vec2, push_style_color, push_style_var_f32,
@@ -302,36 +302,23 @@ pub fn show_colormaps_plot(ui: &Ui, plot_ui: &PlotUi) {
     set_colormap_from_preset(Colormap::Standard, 0);
 }
 
-pub fn show_demo_window(ui: &Ui, plot_ui: &PlotUi) {
+pub fn show_demo_headers(ui: &Ui, plot_ui: &PlotUi) {
-    Window::new(im_str!("Line plots example"))
+    if CollapsingHeader::new(im_str!("Line plot: Basic")).build(&ui) {
-        .size([430.0, 450.0], Condition::FirstUseEver)
-        .build(ui, || {
-            ui.text(im_str!("Hello from implot-rs!"));
-            ui.text_wrapped(im_str!(
-                "The headers here demo the line plotting features of the library. \
-                 Have a look at the example source code to see how they are implemented.\n\
-                 Check out the demo from ImPlot itself first \
-                 for instructions on how to interact with ImPlot plots."
-            ));
-
-            // Show individual examples in collapsed headers
-            if CollapsingHeader::new(im_str!("Basic lineplot")).build(&ui) {
         show_basic_plot(&ui, &plot_ui);
     }
-            if CollapsingHeader::new(im_str!("Configurable lineplot")).build(&ui) {
+    if CollapsingHeader::new(im_str!("Line plot: Configured")).build(&ui) {
         show_configurable_plot(&ui, &plot_ui);
     }
-            if CollapsingHeader::new(im_str!("Querying a plot")).build(&ui) {
+    if CollapsingHeader::new(im_str!("Line Plot: Plot queries")).build(&ui) {
         show_query_features_plot(&ui, &plot_ui);
     }
-            if CollapsingHeader::new(im_str!("Styling a plot")).build(&ui) {
+    if CollapsingHeader::new(im_str!("Line plot: Plot styling")).build(&ui) {
         show_style_plot(&ui, &plot_ui);
     }
-            if CollapsingHeader::new(im_str!("Colormap selection")).build(&ui) {
+    if CollapsingHeader::new(im_str!("Line plot: Colormaps")).build(&ui) {
         show_colormaps_plot(&ui, &plot_ui);
     }
-            if CollapsingHeader::new(im_str!("Multiple Y Axes")).build(&ui) {
+    if CollapsingHeader::new(im_str!("Line plot: Multiple Y Axes")).build(&ui) {
         show_two_yaxis_plot(&ui, &plot_ui);
     }
-        });
 }

implot-examples/examples-shared/src/scatter_plots.rs

@@ -1,7 +1,7 @@
 //! This example demonstrates how scatter plots are to be used. For more general
 //! features of the libray, see the line_plots example.
 
-use imgui::{im_str, CollapsingHeader, Condition, Ui, Window};
+use imgui::{im_str, CollapsingHeader, Ui};
 use implot::{push_style_var_f32, push_style_var_i32, Marker, Plot, PlotScatter, PlotUi, StyleVar};
 
 pub fn show_basic_plot(ui: &Ui, plot_ui: &PlotUi) {
@@ -52,19 +52,7 @@ pub fn show_custom_markers_plot(ui: &Ui, plot_ui: &PlotUi) {
         });
 }
 
-pub fn show_demo_window(ui: &Ui, plot_ui: &PlotUi) {
+pub fn show_demo_headers(ui: &Ui, plot_ui: &PlotUi) {
-    Window::new(im_str!("Scatter plots example"))
-        .size([430.0, 450.0], Condition::FirstUseEver)
-        .build(ui, || {
-            ui.text(im_str!("Hello from implot-rs!"));
-            ui.text_wrapped(im_str!(
-                "The headers here demo the scatter plotting features of the library. \
-                    Have a look at the example source code to see how they are implemented.\n\
-                    Check out the demo from ImPlot itself first \
-                    for instructions on how to interact with ImPlot plots."
-            ));
-
-            // Show individual examples in collapsed headers
     if CollapsingHeader::new(im_str!("Basic scatter plot")).build(&ui) {
         show_basic_plot(&ui, &plot_ui);
     }
@@ -72,5 +60,4 @@ pub fn show_demo_window(ui: &Ui, plot_ui: &PlotUi) {
     if CollapsingHeader::new(im_str!("Custom markers")).build(&ui) {
         show_custom_markers_plot(&ui, &plot_ui);
     }
-        });
 }

implot-examples/examples-shared/src/stairs_plots.rs

@@ -1,7 +1,7 @@
 //! This example demonstrates how stairs plots are to be used. They are almost the same as line
 //! plots, so head over to the line plots example for more info.
 //!
-use imgui::{im_str, CollapsingHeader, Condition, Ui, Window};
+use imgui::{im_str, CollapsingHeader, Ui};
 use implot::{Plot, PlotStairs, PlotUi};
 
 pub fn show_basic_plot(ui: &Ui, plot_ui: &PlotUi) {
@@ -21,20 +21,8 @@ pub fn show_basic_plot(ui: &Ui, plot_ui: &PlotUi) {
         });
 }
 
-pub fn show_demo_window(ui: &Ui, plot_ui: &PlotUi) {
+pub fn show_demo_headers(ui: &Ui, plot_ui: &PlotUi) {
-    Window::new(im_str!("Stairs plots example"))
+    if CollapsingHeader::new(im_str!("Stairs plot: Basic")).build(&ui) {
-        .size([430.0, 450.0], Condition::FirstUseEver)
-        .build(ui, || {
-            ui.text(im_str!("Hello from implot-rs!"));
-            ui.text_wrapped(im_str!(
-                "The headers here demo the stairs plotting features of the library. \
-                 Have a look at the example source code to see how they are implemented.\n\
-                 Check out the demo from ImPlot itself first \
-                 for instructions on how to interact with ImPlot plots."
-            ));
-
-            if CollapsingHeader::new(im_str!("Basic stairs plot")).build(&ui) {
         show_basic_plot(&ui, &plot_ui);
     }
-        });
 }

implot-examples/examples-shared/src/text_plots.rs

@@ -1,7 +1,7 @@
 //! This example demonstrates how the text plotting features are to be used. For more general
 //! features of the libray, see the line_plots example.
 
-use imgui::{im_str, CollapsingHeader, Condition, Ui, Window};
+use imgui::{im_str, CollapsingHeader, Ui};
 use implot::{Plot, PlotText, PlotUi};
 
 pub fn show_basic_plot(ui: &Ui, plot_ui: &PlotUi) {
@@ -28,21 +28,8 @@ pub fn show_basic_plot(ui: &Ui, plot_ui: &PlotUi) {
         });
 }
 
-pub fn show_demo_window(ui: &Ui, plot_ui: &PlotUi) {
+pub fn show_demo_headers(ui: &Ui, plot_ui: &PlotUi) {
-    Window::new(im_str!("Text plots example"))
+    if CollapsingHeader::new(im_str!("Text plot: Basic")).build(&ui) {
-        .size([430.0, 450.0], Condition::FirstUseEver)
-        .build(ui, || {
-            ui.text(im_str!("Hello from implot-rs!"));
-            ui.text_wrapped(im_str!(
-                "The headers here demo the text plotting features of the library. \
-                    Have a look at the example source code to see how they are implemented.\n\
-                    Check out the demo from ImPlot itself first \
-                    for instructions on how to interact with ImPlot plots."
-            ));
-
-            // Show individual examples in collapsed headers
-            if CollapsingHeader::new(im_str!("Basic text plot")).build(&ui) {
         show_basic_plot(&ui, &plot_ui);
     }
-        });
 }

implot-examples/implot-glium-demo/src/main.rs

@@ -2,7 +2,7 @@ use examples_shared;
 use imgui::{im_str, Condition, Window};
 use implot::Context;
 
-// the actual implot samples are in there TODO(4bb4) move to using examples-shared instead
+// The actual backend-specific code is in this.
 mod support;
 
 fn main() {
@@ -33,7 +33,11 @@ fn main() {
                 // TODO(4bb4) ... move windows by default so this is less confusing
                 ui.text_wrapped(im_str!(
                     "Note that the windows are stacked, so move this one out of the way to see\
-                     the ones beneath it."
+                     the ones beneath it. If you see something in the C++ demo window, but not\
+                     in the Rust ImPlot demo window, that means the bindings are likely not   \
+                     implemented yet. Feel free to open an issue if you are missing something \
+                     in particular.
+                    "
                 ));
             });
     });

implot-examples/implot-wgpu-demo/src/main.rs

@@ -2,7 +2,7 @@ use examples_shared;
 use imgui::{im_str, Condition, Window};
 use implot::Context;
 
-// the actual implot samples are in there TODO(4bb4) move to using examples-shared instead
+// The actual backend-specific code is in this.
 mod support;
 
 fn main() {
@@ -33,7 +33,11 @@ fn main() {
                 // TODO(4bb4) ... move windows by default so this is less confusing
                 ui.text_wrapped(im_str!(
                     "Note that the windows are stacked, so move this one out of the way to see\
-                     the ones beneath it."
+                     the ones beneath it. If you see something in the C++ demo window, but not\
+                     in the Rust ImPlot demo window, that means the bindings are likely not   \
+                     implemented yet. Feel free to open an issue if you are missing something \
+                     in particular.
+                    "
                 ));
             });
     });