Wrap demo tab content in BeginChild to keep tabs visible when scrolling

examples/ImGuiAppDemo/Demos/AdvancedWidgetsDemo.cs

@@ -24,6 +24,8 @@ public void Render()
 	{
 		if (ImGui.BeginTabItem(TabName))
 		{
+			if (ImGui.BeginChild("##content"))
+			{
 			// Color controls
 			ImGui.SeparatorText("Color Controls:");
 			ImGui.ColorEdit3("Color RGB", ref colorPickerValue);
@@ -83,6 +85,9 @@ public void Render()
 				}
 			}
 
+			}
+			ImGui.EndChild();
+
 			ImGui.EndTabItem();
 		}
 	}

examples/ImGuiAppDemo/Demos/AnimationDemo.cs

@@ -34,36 +34,40 @@ public void Render()
 	{
 		if (ImGui.BeginTabItem(TabName))
 		{
-			ImGui.SeparatorText("Animation Examples:");
+			if (ImGui.BeginChild("##content"))
+			{
+				ImGui.SeparatorText("Animation Examples:");
 
-			// Simple animations
-			ImGui.Text("Bouncing Animation:");
-			Vector2 ballPos = ImGui.GetCursorScreenPos();
-			ballPos.Y += bounceOffset;
-			ImDrawListPtr drawList = ImGui.GetWindowDrawList();
-			drawList.AddCircleFilled(ballPos + new Vector2(50, 50), 20, ImGui.ColorConvertFloat4ToU32(new Vector4(1, 0.5f, 0, 1)));
-			ImGui.Dummy(new Vector2(100, 100));
+				// Simple animations
+				ImGui.Text("Bouncing Animation:");
+				Vector2 ballPos = ImGui.GetCursorScreenPos();
+				ballPos.Y += bounceOffset;
+				ImDrawListPtr drawList = ImGui.GetWindowDrawList();
+				drawList.AddCircleFilled(ballPos + new Vector2(50, 50), 20, ImGui.ColorConvertFloat4ToU32(new Vector4(1, 0.5f, 0, 1)));
+				ImGui.Dummy(new Vector2(100, 100));
 
-			// Pulsing element
-			ImGui.Text("Pulse Animation:");
-			Vector2 pulsePos = ImGui.GetCursorScreenPos();
-			float pulseSize = 20 * pulseScale;
-			drawList.AddCircleFilled(pulsePos + new Vector2(50, 50), pulseSize,
-				ImGui.ColorConvertFloat4ToU32(new Vector4(0.5f, 0, 1, 0.7f)));
-			ImGui.Dummy(new Vector2(100, 100));
+				// Pulsing element
+				ImGui.Text("Pulse Animation:");
+				Vector2 pulsePos = ImGui.GetCursorScreenPos();
+				float pulseSize = 20 * pulseScale;
+				drawList.AddCircleFilled(pulsePos + new Vector2(50, 50), pulseSize,
+					ImGui.ColorConvertFloat4ToU32(new Vector4(0.5f, 0, 1, 0.7f)));
+				ImGui.Dummy(new Vector2(100, 100));
 
-			ImGui.SeparatorText("Animated Text:");
-			ImGui.SliderFloat("Text Speed", ref textSpeed, 10.0f, 200.0f);
+				ImGui.SeparatorText("Animated Text:");
+				ImGui.SliderFloat("Text Speed", ref textSpeed, 10.0f, 200.0f);
 
-			for (int i = 0; i < 20; i++)
-			{
-				float wave = (MathF.Sin((animationTime * 3.0f) + (i * 0.5f)) * 0.5f) + 0.5f;
-				ImGui.TextColored(new Vector4(wave, 1.0f - wave, 0.5f, 1.0f), i % 5 == 4 ? " " : "▓");
-				if (i % 5 != 4)
+				for (int i = 0; i < 20; i++)
 				{
-					ImGui.SameLine();
+					float wave = (MathF.Sin((animationTime * 3.0f) + (i * 0.5f)) * 0.5f) + 0.5f;
+					ImGui.TextColored(new Vector4(wave, 1.0f - wave, 0.5f, 1.0f), i % 5 == 4 ? " " : "▓");
+					if (i % 5 != 4)
+					{
+						ImGui.SameLine();
+					}
 				}
 			}
+			ImGui.EndChild();
 
 			ImGui.EndTabItem();
 		}

examples/ImGuiAppDemo/Demos/BasicWidgetsDemo.cs

@@ -37,62 +37,66 @@ public void Render()
 	{
 		if (ImGui.BeginTabItem(TabName))
 		{
-			ImGui.TextWrapped("This tab demonstrates basic ImGui widgets and controls.");
-
-			// Buttons
-			ImGui.SeparatorText("Buttons:");
-			if (ImGui.Button("Regular Button"))
-			{
-				counter++;
-			}
-
-			ImGui.SameLine();
-			if (ImGui.SmallButton("Small"))
+			if (ImGui.BeginChild("##content"))
 			{
-				counter++;
+				ImGui.TextWrapped("This tab demonstrates basic ImGui widgets and controls.");
+
+				// Buttons
+				ImGui.SeparatorText("Buttons:");
+				if (ImGui.Button("Regular Button"))
+				{
+					counter++;
+				}
+
+				ImGui.SameLine();
+				if (ImGui.SmallButton("Small"))
+				{
+					counter++;
+				}
+
+				ImGui.SameLine();
+				if (ImGui.ArrowButton("##left", ImGuiDir.Left))
+				{
+					counter--;
+				}
+
+				ImGui.SameLine();
+				if (ImGui.ArrowButton("##right", ImGuiDir.Right))
+				{
+					counter++;
+				}
+
+				ImGui.SameLine();
+				ImGui.Text($"Counter: {counter}");
+
+				// Checkboxes and Radio buttons
+				ImGui.SeparatorText("Selection Controls");
+				ImGui.Checkbox("Checkbox", ref checkboxState);
+
+				ImGui.RadioButton("Option 1", ref radioSelection, 0);
+				ImGui.SameLine();
+				ImGui.RadioButton("Option 2", ref radioSelection, 1);
+				ImGui.SameLine();
+				ImGui.RadioButton("Option 3", ref radioSelection, 2);
+
+				// Sliders
+				ImGui.SeparatorText("Sliders");
+				ImGui.SliderFloat("Float Slider", ref sliderValue, 0.0f, 1.0f);
+				ImGui.SliderFloat("Angle", ref angle, 0.0f, 360.0f, "%.1f deg");
+				ImGui.SliderInt("Int Slider", ref dragInt, 0, 100);
+
+				// Input fields
+				ImGui.SeparatorText("Input Fields");
+				ImGui.InputText("Text Input", ref inputText, 100);
+				ImGui.InputFloat("Float Input", ref dragFloat);
+				ImGui.InputFloat3("Vector3 Input", ref dragVector);
+
+				// Combo boxes
+				ImGui.SeparatorText("Dropdowns");
+				ImGui.Combo("Combo Box", ref comboSelection, comboItems, comboItems.Length);
+				ImGui.ListBox("List Box", ref listboxSelection, listboxItems, listboxItems.Length, 4);
 			}
-
-			ImGui.SameLine();
-			if (ImGui.ArrowButton("##left", ImGuiDir.Left))
-			{
-				counter--;
-			}
-
-			ImGui.SameLine();
-			if (ImGui.ArrowButton("##right", ImGuiDir.Right))
-			{
-				counter++;
-			}
-
-			ImGui.SameLine();
-			ImGui.Text($"Counter: {counter}");
-
-			// Checkboxes and Radio buttons
-			ImGui.SeparatorText("Selection Controls");
-			ImGui.Checkbox("Checkbox", ref checkboxState);
-
-			ImGui.RadioButton("Option 1", ref radioSelection, 0);
-			ImGui.SameLine();
-			ImGui.RadioButton("Option 2", ref radioSelection, 1);
-			ImGui.SameLine();
-			ImGui.RadioButton("Option 3", ref radioSelection, 2);
-
-			// Sliders
-			ImGui.SeparatorText("Sliders");
-			ImGui.SliderFloat("Float Slider", ref sliderValue, 0.0f, 1.0f);
-			ImGui.SliderFloat("Angle", ref angle, 0.0f, 360.0f, "%.1f deg");
-			ImGui.SliderInt("Int Slider", ref dragInt, 0, 100);
-
-			// Input fields
-			ImGui.SeparatorText("Input Fields");
-			ImGui.InputText("Text Input", ref inputText, 100);
-			ImGui.InputFloat("Float Input", ref dragFloat);
-			ImGui.InputFloat3("Vector3 Input", ref dragVector);
-
-			// Combo boxes
-			ImGui.SeparatorText("Dropdowns");
-			ImGui.Combo("Combo Box", ref comboSelection, comboItems, comboItems.Length);
-			ImGui.ListBox("List Box", ref listboxSelection, listboxItems, listboxItems.Length, 4);
+			ImGui.EndChild();
 
 			ImGui.EndTabItem();
 		}

examples/ImGuiAppDemo/Demos/CleanImNodesDemo.cs

@@ -58,20 +58,24 @@ public void Render()
 	{
 		if (ImGui.BeginTabItem(TabName))
 		{
-			// Create horizontal layout: editor on left, controls on right
-			ImGui.BeginTable("CleanNodeEditorLayout", 2, ImGuiTableFlags.Resizable | ImGuiTableFlags.BordersInnerV);
-			ImGui.TableSetupColumn("Editor", ImGuiTableColumnFlags.WidthStretch, 0.7f);
-			ImGui.TableSetupColumn("Controls", ImGuiTableColumnFlags.WidthStretch, 0.3f);
+			if (ImGui.BeginChild("##content"))
+			{
+				// Create horizontal layout: editor on left, controls on right
+				ImGui.BeginTable("CleanNodeEditorLayout", 2, ImGuiTableFlags.Resizable | ImGuiTableFlags.BordersInnerV);
+				ImGui.TableSetupColumn("Editor", ImGuiTableColumnFlags.WidthStretch, 0.7f);
+				ImGui.TableSetupColumn("Controls", ImGuiTableColumnFlags.WidthStretch, 0.3f);
 
-			// Editor column
-			ImGui.TableNextColumn();
-			RenderNodeEditor();
+				// Editor column
+				ImGui.TableNextColumn();
+				RenderNodeEditor();
 
-			// Controls column
-			ImGui.TableNextColumn();
-			RenderControlsPanel();
+				// Controls column
+				ImGui.TableNextColumn();
+				RenderControlsPanel();
 
-			ImGui.EndTable();
+				ImGui.EndTable();
+			}
+			ImGui.EndChild();
 
 			ImGui.EndTabItem();
 		}

examples/ImGuiAppDemo/Demos/DataVisualizationDemo.cs

@@ -40,46 +40,50 @@ public void Render()
 	{
 		if (ImGui.BeginTabItem(TabName))
 		{
-			ImGui.SeparatorText("Real-time Data Plots:");
-
-			// Line plot
-			if (plotValues.Count > 0)
+			if (ImGui.BeginChild("##content"))
 			{
-				float[] values = [.. plotValues];
-				ImGui.PlotLines("Random Values", ref values[0], values.Length, 0,
-					$"Current: {values[^1]:F2}", 0.0f, 1.0f, new Vector2(ImGui.GetContentRegionAvail().X, 100));
+				ImGui.SeparatorText("Real-time Data Plots:");
 
-				ImGui.PlotHistogram("Distribution", ref values[0], values.Length, 0,
-					"Histogram", 0.0f, 1.0f, new Vector2(ImGui.GetContentRegionAvail().X, 100));
-			}
+				// Line plot
+				if (plotValues.Count > 0)
+				{
+					float[] values = [.. plotValues];
+					ImGui.PlotLines("Random Values", ref values[0], values.Length, 0,
+						$"Current: {values[^1]:F2}", 0.0f, 1.0f, new Vector2(ImGui.GetContentRegionAvail().X, 100));
 
-			// Performance note
-			ImGui.SeparatorText("Performance Metrics:");
-			ImGui.TextWrapped("Performance monitoring is now available in the Debug menu! Use 'Debug > Show Performance Monitor' to see real-time FPS graphs and throttling state.");
+					ImGui.PlotHistogram("Distribution", ref values[0], values.Length, 0,
+						"Histogram", 0.0f, 1.0f, new Vector2(ImGui.GetContentRegionAvail().X, 100));
+				}
 
-			// Font demonstrations
-			ImGui.SeparatorText("Custom Font Rendering:");
-			using (new FontAppearance(nameof(Resources.CARDCHAR), 16))
-			{
-				ImGui.Text("Small custom font text");
-			}
+				// Performance note
+				ImGui.SeparatorText("Performance Metrics:");
+				ImGui.TextWrapped("Performance monitoring is now available in the Debug menu! Use 'Debug > Show Performance Monitor' to see real-time FPS graphs and throttling state.");
 
-			using (new FontAppearance(nameof(Resources.CARDCHAR), 24))
-			{
-				ImGui.Text("Medium custom font text");
-			}
+				// Font demonstrations
+				ImGui.SeparatorText("Custom Font Rendering:");
+				using (new FontAppearance(nameof(Resources.CARDCHAR), 16))
+				{
+					ImGui.Text("Small custom font text");
+				}
 
-			using (new FontAppearance(nameof(Resources.CARDCHAR), 32))
-			{
-				ImGui.Text("Large custom font text");
-			}
+				using (new FontAppearance(nameof(Resources.CARDCHAR), 24))
+				{
+					ImGui.Text("Medium custom font text");
+				}
 
-			// Text formatting examples
-			ImGui.SeparatorText("Text Formatting:");
-			ImGui.TextColored(new Vector4(1, 0, 0, 1), "Red text");
-			ImGui.TextColored(new Vector4(0, 1, 0, 1), "Green text");
-			ImGui.TextColored(new Vector4(0, 0, 1, 1), "Blue text");
-			ImGui.TextWrapped("This is a long line of text that should wrap to multiple lines when the window is not wide enough to contain it all on a single line.");
+				using (new FontAppearance(nameof(Resources.CARDCHAR), 32))
+				{
+					ImGui.Text("Large custom font text");
+				}
+
+				// Text formatting examples
+				ImGui.SeparatorText("Text Formatting:");
+				ImGui.TextColored(new Vector4(1, 0, 0, 1), "Red text");
+				ImGui.TextColored(new Vector4(0, 1, 0, 1), "Green text");
+				ImGui.TextColored(new Vector4(0, 0, 1, 1), "Blue text");
+				ImGui.TextWrapped("This is a long line of text that should wrap to multiple lines when the window is not wide enough to contain it all on a single line.");
+			}
+			ImGui.EndChild();
 
 			ImGui.EndTabItem();
 		}