Column widths of a table inside a MainMenuBar are not saved

[arnaud-jamin]

Version/Branch of Dear ImGui:

v1.91.4

Back-ends:

example_win32_directx9

Compiler, OS:

Windows11 + MSVC 2022

Full config/build information:

Dear ImGui 1.91.4 (19140)
--------------------------------
sizeof(size_t): 8, sizeof(ImDrawIdx): 2, sizeof(ImDrawVert): 20
define: __cplusplus=199711
define: _WIN32
define: _WIN64
define: _MSC_VER=1942
define: _MSVC_LANG=201402
define: IMGUI_HAS_VIEWPORT
define: IMGUI_HAS_DOCK
--------------------------------
io.BackendPlatformName: imgui_impl_win32
io.BackendRendererName: imgui_impl_dx9
io.ConfigFlags: 0x00000483
 NavEnableKeyboard
 NavEnableGamepad
 DockingEnable
 ViewportsEnable
io.ConfigViewportsNoDecoration
io.ConfigNavCaptureKeyboard
io.ConfigInputTextCursorBlink
io.ConfigWindowsResizeFromEdges
io.ConfigMemoryCompactTimer = 60.0
io.BackendFlags: 0x00001C0E
 HasMouseCursors
 HasSetMousePos
 PlatformHasViewports
 HasMouseHoveredViewport
 RendererHasVtxOffset
 RendererHasViewports
--------------------------------
io.Fonts: 1 fonts, Flags: 0x00000000, TexSize: 512,64
io.DisplaySize: 1264.00,761.00
io.DisplayFramebufferScale: 1.00,1.00
--------------------------------
style.WindowPadding: 8.00,8.00
style.WindowBorderSize: 1.00
style.FramePadding: 4.00,3.00
style.FrameRounding: 0.00
style.FrameBorderSize: 0.00
style.ItemSpacing: 8.00,4.00
style.ItemInnerSpacing: 4.00,4.00

Details:

Column widths of a table inside a MainMenuBar are not saved

Screenshots/Video:

Minimal, Complete and Verifiable Example code:

 ImGui::BeginMainMenuBar();

 if (ImGui::BeginMenu("Menu1"))
 {
     ImGui::MenuItem("MenuItem");
     ImGui::EndMenu();
 }

 if (ImGui::BeginTable("TableInMainMenuBar", 3, ImGuiTableFlags_Resizable))
 {
     ImGui::TableSetupColumn("Col1");
     ImGui::TableSetupColumn("Col2");
     ImGui::TableSetupColumn("Col3");

     ImGui::TableNextRow();
     ImGui::TableNextColumn();
     ImGui::Button("1");
     ImGui::TableNextColumn();
     ImGui::Button("2");
     ImGui::TableNextColumn();
     ImGui::Button("3");

     ImGui::EndTable();
 }

 ImGui::EndMainMenuBar();


 if (ImGui::Begin("MyWindow"))
 {
     if (ImGui::BeginTable("TableInWindow", 3, ImGuiTableFlags_Resizable))
     {
         ImGui::TableSetupColumn("Col1");
         ImGui::TableSetupColumn("Col2");
         ImGui::TableSetupColumn("Col3");

         ImGui::TableNextRow();
         ImGui::TableNextColumn();
         ImGui::Button("1");
         ImGui::TableNextColumn();
         ImGui::Button("2");
         ImGui::TableNextColumn();
         ImGui::Button("3");

         ImGui::EndTable();
     }
 }
 ImGui::End();

[ocornut]

Thanks for reporting this and the repro.

The table was inheriting _NoSavedSettings from the main menu bar. It seems logical to use ImGuiWindowFlags_NoSavedSettings for the main menu bar window but it didn't occur to me that this use case was possible.

I've pushed a workaround for this : ae6cfd3

[arnaud-jamin]

Thanks Omar!