Demo: Added label edition to Property Editor demo + fix an ID issue. (#8266)

Author: ocornut

docs/CHANGELOG.txt

@@ -60,7 +60,8 @@ Other changes:
   windows with the ImGuiWindowFlags_NoNavInputs flag. (#8231)
 - Debug Tools: Debug Log: hovering 0xXXXXXXXX values in log is allowed even
   if a popup is blocking mouse access to the debug log window. (#5855)
-- Misc: fixed misc/cpp/imgui_stdlib.h/.cpp not supporting IMGUI_DISABLE. (#8294) [@juur]
+- Demo: Added label edition to Property Editor demo + fix an ID issue. (#8266) [@moritz-h]
+- Misc: Fixed misc/cpp/imgui_stdlib.h/.cpp not supporting IMGUI_DISABLE. (#8294) [@juur]
 - Backends: Allegro5: Avoid calling al_set_mouse_cursor() repeatedly since it appears
   to leak on on X11 (#8256). [@Helodity]
 - Backends: Vulkan: Fixed setting VkSwapchainCreateInfoKHR::preTransform for

imgui_demo.cpp

@@ -295,6 +295,7 @@ struct ExampleMemberInfo
 // Metadata description of ExampleTreeNode struct.
 static const ExampleMemberInfo ExampleTreeNodeMemberInfos[]
 {
+    { "MyName",     ImGuiDataType_String,  1, offsetof(ExampleTreeNode, Name) },
     { "MyBool",     ImGuiDataType_Bool,    1, offsetof(ExampleTreeNode, DataMyBool) },
     { "MyInt",      ImGuiDataType_S32,     1, offsetof(ExampleTreeNode, DataMyInt) },
     { "MyVec2",     ImGuiDataType_Float,   2, offsetof(ExampleTreeNode, DataMyVec2) },
@@ -8957,6 +8958,8 @@ struct ExampleAppPropertyEditor
             ImGui::Separator();
             if (ImGui::BeginTable("##properties", 2, ImGuiTableFlags_Resizable | ImGuiTableFlags_ScrollY))
             {
+                // Push object ID after we entered the table, so table is shared for all objects
+                ImGui::PushID((int)node->UID);
                 ImGui::TableSetupColumn("", ImGuiTableColumnFlags_WidthFixed);
                 ImGui::TableSetupColumn("", ImGuiTableColumnFlags_WidthStretch, 2.0f); // Default twice larger
                 if (node->HasData)
@@ -8995,10 +8998,16 @@ struct ExampleAppPropertyEditor
                             ImGui::SliderScalarN("##Editor", field_desc.DataType, field_ptr, field_desc.DataCount, &v_min, &v_max);
                             break;
                         }
+                        case ImGuiDataType_String:
+                        {
+                            ImGui::InputText("##Editor", reinterpret_cast<char*>(field_ptr), 28);
+                            break;
+                        }
                         }
                         ImGui::PopID();
                     }
                 }
+                ImGui::PopID();
                 ImGui::EndTable();
             }
         }