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Tables: distinguishing per-column IsVisible from IsRequestOutput which is returned to user. Clarified clipping rules/requirements. Comments.

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ocornut
2020-12-03 16:29:08 +01:00
parent f70bf69e3b
commit 984c4cb5f8
4 changed files with 124 additions and 66 deletions
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9
imgui_internal.h
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@@ -1932,7 +1932,9 @@ struct ImGuiTableColumn
ImGuiTableDrawChannelIdx DrawChannelUnfrozen;
bool IsEnabled; // Is the column not marked Hidden by the user? (even if off view, e.g. clipped by scrolling).
bool IsEnabledNextFrame;
bool IsClipped; // Is not actually in view (e.g. not overlapping the host window clipping rectangle).
bool IsVisibleX; // Is actually in view (e.g. overlapping the host window clipping rectangle, not scrolled).
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).
ImS8 NavLayerCurrent; // ImGuiNavLayer in 1 byte
ImS8 SortDirection; // ImGuiSortDirection_Ascending or ImGuiSortDirection_Descending
@@ -1971,8 +1973,9 @@ struct ImGuiTable
ImSpan<ImGuiTableColumnIdx> DisplayOrderToIndex; // Point within RawData[]. Store display order of columns (when not reordered, the values are 0...Count-1)
ImSpan<ImGuiTableCellData> RowCellData; // Point within RawData[]. Store cells background requests for current row.
ImU64 EnabledMaskByDisplayOrder; // Column DisplayOrder -> IsEnabled map
ImU64 EnabledUnclippedMaskByIndex;// Enabled and not Clipped, aka "actually visible" "not hidden by some scrolling"
ImU64 EnabledMaskByIndex; // Column Index -> IsEnabled map (== not hidden by user/api) in a format adequate for iterating column without touching cold data
ImU64 VisibleMaskByIndex; // Column Index -> IsVisibleX|IsVisibleY map (== not hidden by user/api && not hidden by scrolling/cliprect)
ImU64 RequestOutputMaskByIndex; // Column Index -> IsVisible || AutoFit (== expect user to submit items)
ImGuiTableFlags SettingsLoadedFlags; // Which data were loaded from the .ini file (e.g. when order is not altered we won't save order)
int SettingsOffset; // Offset in g.SettingsTables
int LastFrameActive;
@@ -2280,7 +2283,7 @@ namespace ImGui
// Tables: Candidates for public api
IMGUI_API void TableOpenContextMenu(int column_n = -1);
IMGUI_API void TableSetColumnWidth(int column_n, float width);
IMGUI_API bool TableGetColumnIsEnabled(int column_n = -1); // Return false when column is disabled (hidden) by user (e.g. via context menu, or _DefaultHide flag)
IMGUI_API bool TableGetColumnIsEnabled(int column_n = -1); // Return false when column is disabled (hidden by user/api, e.g. via context menu, or _DefaultHide flag)
IMGUI_API void TableSetColumnIsEnabled(int column_n, bool enabled);
IMGUI_API void TableSetColumnSortDirection(int column_n, ImGuiSortDirection sort_direction, bool append_to_sort_specs);
IMGUI_API float TableGetHeaderRowHeight();