Big refactor, shuffling a lot of files around

src/imgui/documents.cpp

@@ -0,0 +1,162 @@
+#include "documents.h"
+
+#include <vector>
+
+#include "time_.h"
+
+using namespace anm2ed::resource;
+using namespace anm2ed::types;
+using namespace anm2ed::util;
+
+namespace anm2ed::imgui
+{
+  void Documents::update(Taskbar& taskbar, Manager& manager, Settings& settings, Resources& resources, bool& isQuitting)
+  {
+    auto viewport = ImGui::GetMainViewport();
+    auto windowHeight = ImGui::GetFrameHeightWithSpacing();
+
+    ImGui::SetNextWindowViewport(viewport->ID);
+    ImGui::SetNextWindowPos(ImVec2(viewport->Pos.x, viewport->Pos.y + taskbar.height));
+    ImGui::SetNextWindowSize(ImVec2(viewport->Size.x, windowHeight));
+
+    for (auto& document : manager.documents)
+    {
+      auto isDirty = document.is_dirty() && document.is_autosave_dirty();
+      document.lastAutosaveTime += ImGui::GetIO().DeltaTime;
+
+      if (isDirty && document.lastAutosaveTime > settings.fileAutosaveTime * time::SECOND_M) manager.autosave(document);
+    }
+
+    if (ImGui::Begin("##Documents", nullptr,
+                     ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoResize |
+                         ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoBringToFrontOnFocus |
+                         ImGuiWindowFlags_NoNavFocus | ImGuiWindowFlags_NoScrollbar |
+                         ImGuiWindowFlags_NoScrollWithMouse))
+    {
+      height = ImGui::GetWindowSize().y;
+
+      if (ImGui::BeginTabBar("Documents Bar", ImGuiTabBarFlags_Reorderable))
+      {
+        auto documentsCount = (int)manager.documents.size();
+        bool closeShortcut = imgui::shortcut(settings.shortcutClose, shortcut::GLOBAL) && !closePopup.is_open();
+        int closeShortcutIndex =
+            closeShortcut && manager.selected >= 0 && manager.selected < documentsCount ? manager.selected : -1;
+
+        std::vector<int> closeIndices{};
+        closeIndices.reserve(documentsCount);
+
+        for (int i = 0; i < documentsCount; ++i)
+        {
+          auto& document = manager.documents[i];
+          auto isDirty = document.is_dirty() || document.isForceDirty;
+
+          if (!closePopup.is_open())
+          {
+            if (isQuitting)
+              document.isOpen = false;
+            else if (i == closeShortcutIndex)
+              document.isOpen = false;
+          }
+
+          if (!closePopup.is_open() && !document.isOpen)
+          {
+            if (isDirty)
+            {
+              closePopup.open();
+              closeDocumentIndex = i;
+              document.isOpen = true;
+            }
+            else
+            {
+              closeIndices.push_back(i);
+              continue;
+            }
+          }
+
+          auto isRequested = i == manager.pendingSelected;
+
+          auto font = isDirty ? font::ITALICS : font::REGULAR;
+
+          auto string = isDirty ? std::format("[Not Saved] {}", document.filename_get().string())
+                                : document.filename_get().string();
+
+          auto label = std::format("{}###Document{}", string, i);
+
+          auto flags = isDirty ? ImGuiTabItemFlags_UnsavedDocument : 0;
+          if (isRequested) flags |= ImGuiTabItemFlags_SetSelected;
+
+          ImGui::PushFont(resources.fonts[font].get(), font::SIZE);
+          if (ImGui::BeginTabItem(label.c_str(), &document.isOpen, flags))
+          {
+            manager.set(i);
+            if (isRequested) manager.pendingSelected = -1;
+            ImGui::EndTabItem();
+          }
+          ImGui::PopFont();
+        }
+
+        for (auto it = closeIndices.rbegin(); it != closeIndices.rend(); ++it)
+        {
+          if (closePopup.is_open() && closeDocumentIndex > *it) --closeDocumentIndex;
+          manager.close(*it);
+        }
+
+        ImGui::EndTabBar();
+      }
+
+      closePopup.trigger();
+
+      if (ImGui::BeginPopupModal(closePopup.label, &closePopup.isOpen, ImGuiWindowFlags_NoResize))
+      {
+        if (closeDocumentIndex >= 0 && closeDocumentIndex < (int)manager.documents.size())
+        {
+          auto& closeDocument = manager.documents[closeDocumentIndex];
+
+          ImGui::TextUnformatted(std::format("The document \"{}\" has been modified.\nDo you want to save it?",
+                                             closeDocument.filename_get().string())
+                                     .c_str());
+
+          auto widgetSize = imgui::widget_size_with_row_get(3);
+
+          auto close = [&]()
+          {
+            closeDocumentIndex = -1;
+            closePopup.close();
+          };
+
+          if (ImGui::Button("Yes", widgetSize))
+          {
+            manager.save(closeDocumentIndex);
+            manager.close(closeDocumentIndex);
+            close();
+          }
+
+          ImGui::SameLine();
+
+          if (ImGui::Button("No", widgetSize))
+          {
+            manager.close(closeDocumentIndex);
+            close();
+          }
+
+          ImGui::SameLine();
+
+          if (ImGui::Button("Cancel", widgetSize))
+          {
+            isQuitting = false;
+            close();
+          }
+        }
+        else
+        {
+          closeDocumentIndex = -1;
+          closePopup.close();
+        }
+
+        ImGui::EndPopup();
+      }
+    }
+
+    ImGui::End();
+  }
+}