Popups: Fixed a bug introduced in 1a35766356 which made the BeginPopupContextXXX functions create popups without border. (nb: all that border mess is going away in styling clean up)

imgui.cpp

@@ -3750,7 +3750,7 @@ bool ImGui::BeginPopupContextItem(const char* str_id, int mouse_button)
     IM_ASSERT(id != 0);                                                  // However, you cannot pass a NULL str_id if the last item has no identifier (e.g. a Text() item)
     if (IsItemHovered() && IsMouseClicked(mouse_button))
         OpenPopupEx(id, false);
-    return BeginPopupEx(id, 0);
+    return BeginPopupEx(id, ImGuiWindowFlags_ShowBorders | ImGuiWindowFlags_AlwaysAutoResize);
 }
 
 bool ImGui::BeginPopupContextWindow(const char* str_id, int mouse_button, bool also_over_items)
@@ -3761,7 +3761,7 @@ bool ImGui::BeginPopupContextWindow(const char* str_id, int mouse_button, bool a
     if (IsWindowRectHovered() && IsMouseClicked(mouse_button))
         if (also_over_items || !IsAnyItemHovered())
             OpenPopupEx(id, true);
-    return BeginPopupEx(id, 0);
+    return BeginPopupEx(id, ImGuiWindowFlags_ShowBorders | ImGuiWindowFlags_AlwaysAutoResize);
 }
 
 bool ImGui::BeginPopupContextVoid(const char* str_id, int mouse_button)
@@ -3771,7 +3771,7 @@ bool ImGui::BeginPopupContextVoid(const char* str_id, int mouse_button)
     ImGuiID id = GImGui->CurrentWindow->GetID(str_id);
     if (!IsAnyWindowHovered() && IsMouseClicked(mouse_button))
         OpenPopupEx(id, true);
-    return BeginPopupEx(id, 0);
+    return BeginPopupEx(id, ImGuiWindowFlags_ShowBorders | ImGuiWindowFlags_AlwaysAutoResize);
 }
 
 static bool BeginChildEx(const char* name, ImGuiID id, const ImVec2& size_arg, bool border, ImGuiWindowFlags extra_flags)