V1.80+ and docking

.gitmodules

@@ -0,0 +1,4 @@
+[submodule "imgui"]
+	path = src/libs/src/imgui
+	url = https://github.com/ocornut/imgui.git
+	branch = docking

src/LibSL/CMakeLists.txt

@@ -204,6 +204,7 @@ SET(LIBSL_GL_SOURCE
   ../libs/src/imgui/misc/cpp/imgui_stdlib.cpp
   ../libs/src/imgui/imgui_draw.cpp
   ../libs/src/imgui/imgui_widgets.cpp
+	../libs/src/imgui/imgui_tables.cpp
 )
 
 SET(LIBSL_GL4_HEADERS
@@ -239,6 +240,7 @@ SET(LIBSL_GL4_SOURCE
   ../libs/src/imgui/misc/cpp/imgui_stdlib.cpp
   ../libs/src/imgui/imgui_draw.cpp
   ../libs/src/imgui/imgui_widgets.cpp
+	../libs/src/imgui/imgui_tables.cpp
 )
 
 SET(LIBSL_GL4CORE_HEADERS
@@ -272,6 +274,7 @@ SET(LIBSL_GL4CORE_SOURCE
   ../libs/src/imgui/misc/cpp/imgui_stdlib.cpp
   ../libs/src/imgui/imgui_draw.cpp
   ../libs/src/imgui/imgui_widgets.cpp
+	../libs/src/imgui/imgui_tables.cpp
 )
 
 CreateSourceGroups("Header files" src "${LIBSL_GL_HEADERS}")

src/LibSL/UIHelpers/BindImGui.cpp

@@ -439,6 +439,8 @@ static void bindOnRender()
   ImGui_ImplSimpleUI_NewFrame();
 
   if (prevOnRender) prevOnRender();
+
+  ImGui_ImplSimpleUI_RenderDrawLists(ImGui::GetDrawData());
 }
 
 static void bindMouseMotion(uint x, uint y)
@@ -563,10 +565,15 @@ void NAMESPACE::initImGui()
   ImGui_generic_init();
 
   ImGuiIO& io = ::ImGui::GetIO();
-  io.RenderDrawListsFn  = ImGui_ImplSimpleUI_RenderDrawLists;
+  //io.RenderDrawListsFn  = ImGui_ImplSimpleUI_RenderDrawLists;
   io.SetClipboardTextFn = ImGui_ImplSimpleUI_SetClipboardText;
   io.GetClipboardTextFn = ImGui_ImplSimpleUI_GetClipboardText;
 
+#ifdef IMGUI_HAS_DOCK
+  io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;
+#endif // IMGUI_HAS_DOCK
+
+
   ForIndex(i, IM_ARRAYSIZE(io.KeysDown)) {
     io.KeysDown[i] = false;
   }