impr: Make sure all views are closed before loading new workspace or layout

lib/libimhex/include/hex/api/layout_manager.hpp

@@ -71,6 +71,11 @@ namespace hex {
          */
         static void lockLayout(bool locked);
 
+        /**
+         * @brief Closes all views
+         */
+        static void closeAllViews();
+
     private:
         LayoutManager() = default;
     };

lib/libimhex/source/api/layout_manager.cpp

@@ -7,6 +7,7 @@
 #include <imgui.h>
 #include <hex/api/content_registry.hpp>
 #include <hex/api/imhex_api.hpp>
+#include <hex/ui/view.hpp>
 
 namespace hex {
 
@@ -64,16 +65,26 @@ namespace hex {
         return s_layouts;
     }
 
+    void LayoutManager::closeAllViews() {
+        for (const auto &[name, view] : ContentRegistry::Views::impl::getEntries())
+            view->getWindowOpenState() = false;
+    }
+
     void LayoutManager::process() {
         if (s_layoutPathToLoad.has_value()) {
             const auto pathString = wolv::util::toUTF8String(*s_layoutPathToLoad);
+
+            LayoutManager::closeAllViews();
             ImGui::LoadIniSettingsFromDisk(pathString.c_str());
+
             s_layoutPathToLoad = std::nullopt;
             log::info("Loaded layout from {}", pathString);
         }
 
         if (s_layoutStringToLoad.has_value()) {
+            LayoutManager::closeAllViews();
             ImGui::LoadIniSettingsFromMemory(s_layoutStringToLoad->c_str());
+
             s_layoutStringToLoad = std::nullopt;
             log::info("Loaded layout from string");
         }

lib/libimhex/source/api/workspace_manager.cpp

@@ -89,6 +89,7 @@ namespace hex {
             if (s_previousWorkspace != s_workspaces.end())
                 exportToFile(s_previousWorkspace->second.path, s_previousWorkspace->first);
 
+            LayoutManager::closeAllViews();
             ImGui::LoadIniSettingsFromMemory(s_currentWorkspace->second.layout.c_str());
 
             s_previousWorkspace = s_currentWorkspace;