Fix: Floating editor window separate from main

Author: djwisdom

imgui.ini

@@ -2,7 +2,7 @@
 Pos=228,24
 Size=1052,776
 Collapsed=0
-DockId=0x00000003,0
+DockId=0xCCBD8CF7
 
 [Window][DockSpace]
 Pos=0,0
@@ -13,7 +13,6 @@ Collapsed=0
 Pos=117,246
 Size=1280,800
 Collapsed=1
-DockId=0x00000013,0
 
 [Window][Font Settings]
 Pos=389,285
@@ -27,7 +26,6 @@ Collapsed=0
 DockId=0x00000005,0
 
 [Docking][Data]
-DockNode                    ID=0x00000013 Pos=117,246 Size=1280,800
 DockSpace                   ID=0xCCBD8CF7 Window=0x3DA2F1DE Pos=0,24 Size=1280,776 Split=X Selected=0xDF0EC458
   DockNode                  ID=0x00000005 Parent=0xCCBD8CF7 SizeRef=226,776 Selected=0x00F0E82E
   DockNode                  ID=0x00000006 Parent=0xCCBD8CF7 SizeRef=1052,776 Split=X

pcode-settings.json

@@ -13,5 +13,5 @@
   "font_size": 17,
   "font_name": "CascadiaMono",
   "last_open_dir": ".\\src",
-  "recent_files": [".\\src\\editor_app.h", ".\\src\\main.cpp", ".\\src\\editor_app.cpp", ".\\docs\\versioning.md", ".\\docs\\imgui_tutorial.md", ".\\docs\\VIM_MOTIONS_SPEC.md", "./src/editor_app.h", "./src/main.cpp", "./src/editor_app.cpp", "VERSION"]
+  "recent_files": [".\\src\\main.cpp", ".\\src\\editor_app.cpp", ".\\src\\editor_app.h", ".\\docs\\versioning.md", ".\\docs\\imgui_tutorial.md", ".\\docs\\VIM_MOTIONS_SPEC.md", "./src/editor_app.h", "./src/main.cpp", "./src/editor_app.cpp", "VERSION"]
 }

src/editor_app.cpp

@@ -1786,29 +1786,40 @@ void EditorApp::render() {
         }
     }
 
-    // Full-screen dockspace - allows docking to edges
+// Main dockspace window
     ImGuiViewport* viewport = ImGui::GetMainViewport();
     ImGui::SetNextWindowPos(viewport->Pos);
     ImGui::SetNextWindowSize(viewport->Size);
     ImGui::SetNextWindowViewport(viewport->ID);
 
-    ImGuiWindowFlags flags = ImGuiWindowFlags_MenuBar;
+    ImGuiWindowFlags flags = ImGuiWindowFlags_MenuBar | ImGuiWindowFlags_NoDocking;
     flags |= ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoCollapse;
     flags |= ImGuiWindowFlags_NoBringToFrontOnFocus | ImGuiWindowFlags_NoNavFocus;
 
     ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 0);
     ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 0);
     ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0, 0));
-    ImGui::Begin("DockSpace", nullptr, flags);
+    ImGui::Begin("MainDock", nullptr, flags);
     ImGui::PopStyleVar(3);
 
-    ImGuiID dockspace_id = ImGui::GetID("MainDockSpace");
-    ImGui::DockSpace(dockspace_id, ImVec2(0, 0), ImGuiDockNodeFlags_PassthruCentralNode);
-    ImGui::DockBuilderDockWindow("Editor", dockspace_id);
-
+    // Menu and sidebar in main window
     render_menu_bar();
     render_sidebar();
-    render_editor_area();
+
+    ImGui::End();
+
+    // Floating editor window - can be dragged anywhere and docked
+    ImGui::SetNextWindowPos(ImVec2(viewport->Pos.x + 60, viewport->Pos.y + 60));
+    ImGui::SetNextWindowSize(ImVec2(800, 600));
+    ImGui::SetNextWindowViewport(viewport->ID);
+
+    ImGuiWindowFlags editor_flags = ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoSavedSettings;
+    editor_flags |= ImGuiWindowFlags_UnsavedDocument;
+    
+    if (ImGui::Begin("Editor", nullptr, editor_flags)) {
+        render_editor_area();
+        ImGui::End();
+    }
 
     // Dialogs
     if (show_find_) render_find_dialog();
@@ -1818,8 +1829,6 @@ void EditorApp::render() {
     if (show_spaces_dialog_) render_spaces_dialog();
     if (show_cmd_palette_) render_command_palette();
 
-    ImGui::End();
-
     render_terminal();
 }