Tables: support internal TableResetSettings(), clarify lifetime, fixed missing auto-fit on column unhidden after first run, fixed resize assert when changing column sizing policy to stretch mid-frame (before of -1.0f weight)

imgui.cpp

@@ -11086,8 +11086,6 @@ void ImGui::DebugNodeDrawList(ImGuiWindow*, const ImDrawList*, const char*) {}
 void ImGui::DebugNodeDrawCmdShowMeshAndBoundingBox(ImGuiWindow*, const ImDrawList*, const ImDrawCmd*, bool, bool) {}
 void ImGui::DebugNodeStorage(ImGuiStorage*, const char*) {}
 void ImGui::DebugNodeTabBar(ImGuiTabBar*, const char*) {}
-void ImGui::DebugNodeTable(ImGuiTable*) {}
-void ImGui::DebugNodeTableSettings(ImGuiTableSettings*) {}
 void ImGui::DebugNodeWindow(ImGuiWindow*, const char*) {}
 void ImGui::DebugNodeWindowSettings(ImGuiWindowSettings*) {}
 void ImGui::DebugNodeWindowsList(ImVector<ImGuiWindow*>*, const char*) {}

imgui_internal.h

@@ -1936,6 +1936,7 @@ struct ImGuiTableColumn
     bool                    IsVisibleY;
     bool                    IsRequestOutput;                // Return value for TableSetColumnIndex() / TableNextColumn(): whether we request user to output contents or not.
     bool                    IsSkipItems;                    // Do we want item submissions to this column to be completely ignored (no layout will happen).
+    bool                    IsPreserveWidthAuto;
     ImS8                    NavLayerCurrent;                // ImGuiNavLayer in 1 byte
     ImS8                    SortDirection;                  // ImGuiSortDirection_Ascending or ImGuiSortDirection_Descending
     ImU8                    AutoFitQueue;                   // Queue of 8 values for the next 8 frames to request auto-fit
@@ -1946,7 +1947,6 @@ struct ImGuiTableColumn
         memset(this, 0, sizeof(*this));
         StretchWeight = WidthRequest = -1.0f;
         NameOffset = -1;
-        IsEnabled = IsEnabledNextFrame = true;
         DisplayOrder = IndexWithinEnabledSet = -1;
         PrevEnabledColumn = NextEnabledColumn = -1;
         SortOrder = -1;
@@ -2062,6 +2062,7 @@ struct ImGuiTable
     bool                        IsSettingsRequestLoad;
     bool                        IsSettingsDirty;            // Set when table settings have changed and needs to be reported into ImGuiTableSetttings data.
     bool                        IsDefaultDisplayOrder;      // Set when display order is unchanged from default (DisplayOrder contains 0...Count-1)
+    bool                        IsResetAllRequest;
     bool                        IsResetDisplayOrderRequest;
     bool                        IsUnfrozen;                 // Set when we got past the frozen row.
     bool                        MemoryCompacted;
@@ -2319,11 +2320,11 @@ namespace ImGui
     // Tables: Settings
     IMGUI_API void                  TableLoadSettings(ImGuiTable* table);
     IMGUI_API void                  TableSaveSettings(ImGuiTable* table);
+    IMGUI_API void                  TableResetSettings(ImGuiTable* table);
     IMGUI_API ImGuiTableSettings*   TableGetBoundSettings(ImGuiTable* table);
     IMGUI_API void                  TableSettingsInstallHandler(ImGuiContext* context);
     IMGUI_API ImGuiTableSettings*   TableSettingsCreate(ImGuiID id, int columns_count);
     IMGUI_API ImGuiTableSettings*   TableSettingsFindByID(ImGuiID id);
-    IMGUI_API void                  TableSettingsClearByID(ImGuiID id);
 
     // Tab Bars
     IMGUI_API bool          BeginTabBarEx(ImGuiTabBar* tab_bar, const ImRect& bb, ImGuiTabBarFlags flags);