VideoCommon: add graphics mod editor control for displaying a selection of tags to choose from

Source/Core/VideoCommon/GraphicsModEditor/Controls/TagSelectionWindow.cpp

@@ -0,0 +1,77 @@
+// Copyright 2024 Dolphin Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "VideoCommon/GraphicsModEditor/Controls/TagSelectionWindow.h"
+
+#include "VideoCommon/GraphicsModEditor/Controls/MiscControls.h"
+
+namespace GraphicsModEditor::Controls
+{
+bool TagSelectionWindow(std::string_view popup_name, EditorState* state, std::string* chosen_tag)
+{
+  if (!state) [[unlikely]]
+    return false;
+  if (!chosen_tag) [[unlikely]]
+    return false;
+
+  if (!ImGui::IsPopupOpen(popup_name.data()))
+  {
+    ImGui::OpenPopup(popup_name.data());
+  }
+
+  bool changed = false;
+  const ImVec2 center = ImGui::GetMainViewport()->GetCenter();
+  ImGui::SetNextWindowPos(center, ImGuiCond_Appearing, ImVec2(0.5f, 0.5f));
+  if (ImGui::BeginPopupModal(popup_name.data(), nullptr))
+  {
+    const u32 column_count = 5;
+    u32 current_columns = 0;
+    u32 tags_displayed = 0;
+
+    if (ImGui::BeginTable("TagSelectionPopup", column_count))
+    {
+      ImGui::TableNextRow();
+      for (const auto& [tag_name, tag] : state->m_editor_data.m_tags)
+      {
+        tags_displayed++;
+        ImGui::TableNextColumn();
+
+        const bool tag_clicked = ColorButton(
+            tag.m_name.c_str(), tag_size, ImVec4{tag.m_color.x, tag.m_color.y, tag.m_color.z, 1});
+        if (!tag.m_description.empty())
+          ImGui::SetItemTooltip("%s", tag.m_description.c_str());
+        if (tag_clicked)
+        {
+          *chosen_tag = tag.m_name;
+          changed = true;
+          ImGui::CloseCurrentPopup();
+        }
+
+        current_columns++;
+        if (current_columns == column_count)
+        {
+          ImGui::TableNextRow();
+          current_columns = 0;
+        }
+      }
+
+      if (ImGui::Button("Cancel", ImVec2(120, 0)))
+      {
+        changed = true;
+        ImGui::CloseCurrentPopup();
+      }
+
+      ImGui::EndTable();
+    }
+
+    if (tags_displayed == 0)
+    {
+      ImGui::Text("No tags found");
+    }
+
+    ImGui::EndPopup();
+  }
+
+  return changed;
+}
+}  // namespace GraphicsModEditor::Controls

Source/Core/VideoCommon/GraphicsModEditor/Controls/TagSelectionWindow.h

@@ -0,0 +1,18 @@
+// Copyright 2024 Dolphin Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <string>
+#include <string_view>
+
+#include "imgui.h"
+
+#include "VideoCommon/GraphicsModEditor/EditorState.h"
+
+namespace GraphicsModEditor::Controls
+{
+static inline ImVec2 tag_size = ImVec2(175, 35);
+
+bool TagSelectionWindow(std::string_view popup_name, EditorState* state, std::string* chosen_tag);
+}  // namespace GraphicsModEditor::Controls