WIP

Author: PeterJohnson

glass/src/app/native/cpp/main.cpp

@@ -363,52 +363,6 @@ int main(int argc, char** argv) {
   gui::AddLateExecute([] {
     glass::Storage& cameras = glass::GetStorageRoot().GetChild("cameras");
 
-    if (glass::imm::BeginWindow(gCameraListWindow)) {
-      glass::DisplayCameraModelTable(cameras);
-      if (ImGui::Button("Add USB")) {
-        ImGui::OpenPopup("Add USB Camera");
-      }
-      if (ImGui::BeginPopup("Add USB Camera")) {
-        std::string path = gUsbCameraList->DisplayMenu();
-        if (!path.empty()) {
-          auto id = fmt::format("glass::usb::{}", path);
-          glass::CameraModel* model = glass::GetOrNewCameraModel(cameras, id);
-          if (!model->GetSource()) {
-            model->SetSource(cs::UsbCamera(id, path));
-          }
-          model->Start();
-        }
-        ImGui::EndPopup();
-      }
-      ImGui::SameLine();
-      ImGui::Button("Add HTTP");
-      ImGui::SameLine();
-      ImGui::Button("Add CameraServer");
-    }
-    glass::imm::EndWindow();
-
-    for (auto&& kv :
-         glass::GetStorageRoot().GetChild("camera views").GetChildren()) {
-      glass::PushStorageStack(kv.value());
-      if (!glass::imm::GetWindow()) {
-        glass::imm::CreateWindow(
-            glass::GetStorageRoot().GetChild("camera views"), kv.key());
-      }
-      if (glass::imm::BeginWindow()) {
-        if (glass::CameraModel* model = glass::GetCameraModel(
-                cameras, glass::GetStorage().GetString("camera"))) {
-          if (glass::imm::BeginWindowSettingsPopup()) {
-            glass::imm::GetWindow()->EditName();
-            glass::DisplayCameraSettings(model);
-            ImGui::EndPopup();
-          }
-          glass::DisplayCameraWindow(model);
-        }
-      }
-      glass::imm::EndWindow();
-      glass::PopStorageStack();
-    }
-
     if (gAbout) {
       ImGui::OpenPopup("About");
       gAbout = false;

glass/src/libcs/native/cpp/CameraProvider.cpp

@@ -0,0 +1,82 @@
+// Copyright (c) FIRST and other WPILib contributors.
+// Open Source Software; you can modify and/or share it under the terms of
+// the WPILib BSD license file in the root directory of this project.
+
+#include "glass/camera/CameraProvider.h"
+
+#include "glass/Storage.h"
+
+using namespace glass;
+
+void DisplayCameraList() {
+  if (glass::imm::BeginWindow(gCameraListWindow)) {
+    glass::DisplayCameraModelTable(cameras);
+    if (ImGui::Button("Add USB")) {
+      ImGui::OpenPopup("Add USB Camera");
+    }
+    if (ImGui::BeginPopup("Add USB Camera")) {
+      std::string path = gUsbCameraList->DisplayMenu();
+      if (!path.empty()) {
+        auto id = fmt::format("glass::usb::{}", path);
+        glass::CameraModel* model = glass::GetOrNewCameraModel(cameras, id);
+        if (!model->GetSource()) {
+          model->SetSource(cs::UsbCamera(id, path));
+        }
+        model->Start();
+      }
+      ImGui::EndPopup();
+    }
+    ImGui::SameLine();
+    ImGui::Button("Add HTTP");
+    ImGui::SameLine();
+    ImGui::Button("Add CameraServer");
+  }
+  glass::imm::EndWindow();
+}
+
+#if 0
+    for (auto&& kv :
+         glass::GetStorageRoot().GetChild("camera views").GetChildren()) {
+      glass::PushStorageStack(kv.value());
+      if (!glass::imm::GetWindow()) {
+        glass::imm::CreateWindow(
+            glass::GetStorageRoot().GetChild("camera views"), kv.key());
+      }
+      if (glass::imm::BeginWindow()) {
+        if (glass::CameraModel* model = glass::GetCameraModel(
+                cameras, glass::GetStorage().GetString("camera"))) {
+          if (glass::imm::BeginWindowSettingsPopup()) {
+            glass::imm::GetWindow()->EditName();
+            glass::DisplayCameraSettings(model);
+            ImGui::EndPopup();
+          }
+          glass::DisplayCameraWindow(model);
+        }
+      }
+      glass::imm::EndWindow();
+      glass::PopStorageStack();
+    }
+#endif
+CameraProvider::CameraProvider(Storage& storage) : WindowManager{storage} {
+  storage.SetCustomApply([this] {
+    // loop over windows
+    for (auto&& windowkv : m_storage.GetChildren()) {
+      // get or create window
+      auto win = GetOrAddWindow(windowkv.key(), true);
+      if (!win) {
+        continue;
+      }
+
+      // get or create view
+      auto view = static_cast<CameraView*>(win->GetView());
+      if (!view) {
+        win->SetView(std::make_unique<CameraView>(this, windowkv.value()));
+        view = static_cast<CameraView*>(win->GetView());
+      }
+    }
+  });
+  storage.SetCustomClear([this] {
+    EraseWindows();
+    m_storage.EraseChildren();
+  });
+}

glass/src/libcs/native/include/glass/camera/CameraProvider.h

@@ -0,0 +1,21 @@
+// Copyright (c) FIRST and other WPILib contributors.
+// Open Source Software; you can modify and/or share it under the terms of
+// the WPILib BSD license file in the root directory of this project.
+
+#pragma once
+
+#include "glass/WindowManager.h"
+
+namespace glass {
+
+class CameraProvider : private WindowManager {
+ public:
+  explicit CameraProvider(Storage& storage);
+  ~CameraProvider() override;
+
+  using WindowManager::GlobalInit;
+
+  void DisplayMenu() override;
+};
+
+}  // namespace glass