Fixes

Src/Editor/imp/cpp/UI/TabContainer.cpp

@@ -0,0 +1,108 @@
+// IAEngine: 2D Game Engine by IA
+// Copyright (C) 2025 IASoft (PVT) LTD (oss@iasoft.dev)
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <UI/TabContainer.hpp>
+
+namespace ia::iae
+{
+    INT32 g_tabContainerCount{0};
+
+    TabContainer::TabContainer() : m_containerID(BuildString("TabContainer##", g_tabContainerCount++)), m_tabBarID(BuildString("TabBar##", g_tabContainerCount++))
+    {
+    }
+
+    VOID TabContainer::Initialize()
+    {
+    }
+
+    VOID TabContainer::Terminate()
+    {
+        for (const auto &t : m_tabViews)
+            RemoveTab(t->Key);
+    }
+
+    VOID TabContainer::Draw(IN ImVec2 position, IN ImVec2 size)
+    {
+        ImGui::Begin(m_containerID.c_str(), nullptr,
+                     ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoCollapse |
+                         ImGuiWindowFlags_NoTitleBar);
+        ImGui::SetWindowPos(position);
+        ImGui::SetWindowSize(size);
+        ImGui::BeginTabBar(m_tabBarID.c_str());
+
+        for (const auto &v : m_tabViews)
+        {
+            ImGuiTabItemFlags flags{};
+            if (m_pendingActiveTabName && m_pendingActiveTabName == v->Key)
+            {
+                flags |= ImGuiTabItemFlags_SetSelected;
+                m_pendingActiveTabName = nullptr;
+            }
+
+            if (ImGui::BeginTabItem(v->Value->IconAndName().c_str(), nullptr, flags))
+            {
+                v->Value->Render();
+                ImGui::EndTabItem();
+
+                m_activeTabName = v->Key.c_str();
+            }
+        }
+
+        ImGui::EndTabBar();
+        ImGui::End();
+    }
+
+    VOID TabContainer::Update()
+    {
+        for (const auto &t : m_tabViews)
+            t->Value->Update();
+    }
+
+    VOID TabContainer::ProcessEvent(IN SDL_Event *event)
+    {
+        for (const auto &t : m_tabViews)
+            t->Value->ProcessEvent(event);
+    }
+
+    VOID TabContainer::AddTab(IN CONST String &name, IN IView *view)
+    {
+        RemoveTab(name);
+        view->Initialize();
+        m_tabViews[name] = view;
+        if (!m_activeTabName)
+            m_activeTabName = name.c_str();
+    }
+
+    VOID TabContainer::RemoveTab(IN CONST String &name)
+    {
+        if (!m_tabViews.contains(name))
+            return;
+        if (m_tabViews[name])
+            m_tabViews[name]->Terminate();
+        delete m_tabViews[name];
+        m_tabViews[name] = nullptr;
+    }
+
+    VOID TabContainer::ChangeActiveTab(IN PCCHAR name)
+    {
+        m_pendingActiveTabName = name;
+    }
+
+    IView *TabContainer::GetTab(IN CONST String &name)
+    {
+        return m_tabViews[name];
+    }
+} // namespace ia::iae