diff --git a/imgui.cpp b/imgui.cpp
index 9a0010424..5d1bbb224 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -988,9 +988,10 @@ enum ImGuiButtonFlags_
 
 enum ImGuiSelectableFlags_
 {
-    ImGuiSelectableFlags_MenuItem        = (1 << 0),
-    ImGuiSelectableFlags_DontClosePopups = (1 << 1),
-    ImGuiSelectableFlags_Disabled        = (1 << 2)
+    ImGuiSelectableFlags_MenuItem           = (1 << 0),
+    ImGuiSelectableFlags_DontClosePopups    = (1 << 1),
+    ImGuiSelectableFlags_Disabled           = (1 << 2),
+    ImGuiSelectableFlags_DrawFillAvailWidth = (1 << 3)
 };
 
 
@@ -7406,7 +7407,7 @@ bool ImGui::Combo(const char* label, int* current_item, bool (*items_getter)(voi
     return value_changed;
 }
 
-static bool SelectableEx(const char* label, bool selected, const ImVec2& size_arg, const ImVec2 size_draw_arg, ImGuiSelectableFlags flags)
+static bool SelectableEx(const char* label, bool selected, const ImVec2& size_arg, ImGuiSelectableFlags flags)
 {
     ImGuiState& g = *GImGui;
     ImGuiWindow* window = GetCurrentWindow();
@@ -7425,9 +7426,9 @@ static bool SelectableEx(const char* label, bool selected, const ImVec2& size_ar
     // Fill horizontal space.
     ImVec2 window_padding = window->WindowPadding();
     float w_draw = ImMax(label_size.x, window->Pos.x + ImGui::GetContentRegionMax().x - window_padding.x - window->DC.CursorPos.x);
-    ImVec2 size_draw(size_draw_arg.x != 0.0f ? size_draw_arg.x : w_draw, size_draw_arg.y != 0.0f ? size_draw_arg.y : size.y);
+    ImVec2 size_draw((size_arg.x != 0 && !(flags & ImGuiSelectableFlags_DrawFillAvailWidth)) ? size_arg.x : w_draw, size_arg.y != 0.0f ? size_arg.y : size.y);
     ImRect bb_with_spacing(pos, pos + size_draw);
-    if (size_draw_arg.x == 0.0f)
+    if (size_arg.x == 0.0f || (flags & ImGuiSelectableFlags_DrawFillAvailWidth))
         bb_with_spacing.Max.x += window_padding.x;
 
     // Selectables are tightly packed together, we extend the box to cover spacing between selectable.
@@ -7467,12 +7468,12 @@ static bool SelectableEx(const char* label, bool selected, const ImVec2& size_ar
 // But you need to make sure the ID is unique, e.g. enclose calls in PushID/PopID.
 bool ImGui::Selectable(const char* label, bool selected, const ImVec2& size_arg)
 {
-    return SelectableEx(label, selected, size_arg, size_arg, 0);
+    return SelectableEx(label, selected, size_arg, 0);
 }
 
 bool ImGui::Selectable(const char* label, bool* p_selected, const ImVec2& size_arg)
 {
-    if (SelectableEx(label, *p_selected, size_arg, size_arg, 0))
+    if (SelectableEx(label, *p_selected, size_arg, 0))
     {
         *p_selected = !*p_selected;
         return true;
@@ -7588,7 +7589,7 @@ bool ImGui::MenuItem(const char* label, const char* shortcut, bool selected, boo
     float w = window->MenuColumns.DeclColumns(label_size.x, shortcut_size.x, (float)(int)(g.FontSize * 1.20f)); // Feedback for next frame
     float extra_w = ImMax(0.0f, window->Pos.x + ImGui::GetContentRegionMax().x - pos.x - w);
 
-    bool pressed = SelectableEx(label, false, ImVec2(w, 0.0f), ImVec2(0.0f, 0.0f), ImGuiSelectableFlags_MenuItem | (!enabled ? ImGuiSelectableFlags_Disabled : 0));
+    bool pressed = SelectableEx(label, false, ImVec2(w, 0.0f), ImGuiSelectableFlags_MenuItem | ImGuiSelectableFlags_DrawFillAvailWidth | (!enabled ? ImGuiSelectableFlags_Disabled : 0));
     if (shortcut_size.x > 0.0f)
     {
         ImGui::PushStyleColor(ImGuiCol_Text, g.Style.Colors[ImGuiCol_TextDisabled]);
@@ -7701,7 +7702,7 @@ bool ImGui::BeginMenu(const char* label, bool enabled)
         window->DC.CursorPos.x += (float)(int)(style.ItemSpacing.x * 0.5f);
         ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, style.ItemSpacing * 2.0f);
         float w = label_size.x;
-        pressed = SelectableEx(label, opened, ImVec2(w, 0.0f), ImVec2(w, 0.0f), ImGuiSelectableFlags_MenuItem | ImGuiSelectableFlags_DontClosePopups | (!enabled ? ImGuiSelectableFlags_Disabled : 0));
+        pressed = SelectableEx(label, opened, ImVec2(w, 0.0f), ImGuiSelectableFlags_MenuItem | ImGuiSelectableFlags_DontClosePopups | (!enabled ? ImGuiSelectableFlags_Disabled : 0));
         ImGui::PopStyleVar();
         ImGui::SameLine();
         window->DC.CursorPos.x += (float)(int)(style.ItemSpacing.x * 0.5f);
@@ -7711,7 +7712,7 @@ bool ImGui::BeginMenu(const char* label, bool enabled)
         popup_pos = ImVec2(pos.x, pos.y - style.WindowPadding.y);
         float w = window->MenuColumns.DeclColumns(label_size.x, 0.0f, (float)(int)(g.FontSize * 1.20f)); // Feedback to next frame
         float extra_w = ImMax(0.0f, window->Pos.x + ImGui::GetContentRegionMax().x - pos.x - w);
-        pressed = SelectableEx(label, opened, ImVec2(w, 0.0f), ImVec2(0.0f, 0.0f), ImGuiSelectableFlags_MenuItem | ImGuiSelectableFlags_DontClosePopups | (!enabled ? ImGuiSelectableFlags_Disabled : 0));
+        pressed = SelectableEx(label, opened, ImVec2(w, 0.0f), ImGuiSelectableFlags_MenuItem | ImGuiSelectableFlags_DontClosePopups | ImGuiSelectableFlags_DrawFillAvailWidth | (!enabled ? ImGuiSelectableFlags_Disabled : 0));
         if (!enabled) ImGui::PushStyleColor(ImGuiCol_Text, g.Style.Colors[ImGuiCol_TextDisabled]);
         RenderCollapseTriangle(pos + ImVec2(window->MenuColumns.Pos[2] + extra_w + g.FontSize * 0.20f, 0.0f), false);
         if (!enabled) ImGui::PopStyleColor();