Big refactor, shuffling a lot of files around

src/imgui/toast.cpp

@@ -0,0 +1,86 @@
+#include "toast.h"
+
+#include "log.h"
+#include <imgui/imgui.h>
+
+#include "types.h"
+
+using namespace anm2ed::types;
+
+namespace anm2ed::imgui
+{
+  constexpr auto LIFETIME = 3.0f;
+
+  Toast::Toast(const std::string& message)
+  {
+    this->message = message;
+    lifetime = LIFETIME;
+  }
+
+  void Toasts::update()
+  {
+    ImGuiIO& io = ImGui::GetIO();
+
+    auto borderColor = ImGui::GetStyleColorVec4(ImGuiCol_Border);
+    auto textColor = ImGui::GetStyleColorVec4(ImGuiCol_Text);
+
+    auto position = to_vec2(io.DisplaySize) - to_vec2(ImGui::GetStyle().ItemSpacing);
+
+    for (int i = (int)toasts.size() - 1; i >= 0; --i)
+    {
+      Toast& toast = toasts[i];
+
+      toast.lifetime -= ImGui::GetIO().DeltaTime;
+
+      if (toast.lifetime <= 0.0f)
+      {
+        toasts.erase(toasts.begin() + i);
+        i--;
+        continue;
+      }
+
+      auto alpha = toast.lifetime / LIFETIME;
+      borderColor.w = alpha;
+      textColor.w = alpha;
+
+      ImGui::SetNextWindowPos(to_imvec2(position), ImGuiCond_None, {1.0f, 1.0f});
+      ImGui::SetNextWindowSize(ImVec2(0, ImGui::GetTextLineHeightWithSpacing() + ImGui::GetStyle().WindowPadding.y));
+      ImGui::PushStyleColor(ImGuiCol_Text, textColor);
+      ImGui::PushStyleColor(ImGuiCol_Border, borderColor);
+      ImGui::SetNextWindowBgAlpha(alpha);
+
+      if (ImGui::Begin(std::format("##Toast #{}", i).c_str(), nullptr,
+                       ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove |
+                           ImGuiWindowFlags_NoScrollbar | ImGuiWindowFlags_NoScrollWithMouse |
+                           ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_AlwaysAutoResize |
+                           ImGuiWindowFlags_NoFocusOnAppearing | ImGuiWindowFlags_NoNav))
+      {
+        ImGui::TextUnformatted(toast.message.c_str());
+        position.y -= ImGui::GetWindowSize().y + ImGui::GetStyle().ItemSpacing.y;
+      }
+      ImGui::End();
+      ImGui::PopStyleColor(2);
+    }
+  }
+
+  void Toasts::info(const std::string& message)
+  {
+    toasts.emplace_back(Toast(message));
+    logger.info(message);
+  }
+
+  void Toasts::error(const std::string& message)
+  {
+    toasts.emplace_back(Toast(message));
+    logger.error(message);
+  }
+
+  void Toasts::warning(const std::string& message)
+  {
+    toasts.emplace_back(Toast(message));
+    logger.warning(message);
+  }
+
+}
+
+anm2ed::imgui::Toasts toasts;