Tables: moved TableHeadersRow(), TableHeader() to their own section.
This commit is contained in:
ocornut
parent
592fc69054
commit
d6b1f0d13d
434
imgui_tables.cpp
434
imgui_tables.cpp
@ -2172,6 +2172,232 @@ void ImGui::TablePopBackgroundChannel()
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table->DrawSplitter.SetCurrentChannel(window->DrawList, column->DrawChannelCurrent);
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table->DrawSplitter.SetCurrentChannel(window->DrawList, column->DrawChannelCurrent);
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}
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}
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// Note that the NoSortAscending/NoSortDescending flags are processed in TableSortSpecsSanitize(), and they may change/revert
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// the value of SortDirection. We could technically also do it here but it would be unnecessary and duplicate code.
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void ImGui::TableSetColumnSortDirection(int column_n, ImGuiSortDirection sort_direction, bool append_to_sort_specs)
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{
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ImGuiContext& g = *GImGui;
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ImGuiTable* table = g.CurrentTable;
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if (!(table->Flags & ImGuiTableFlags_MultiSortable))
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append_to_sort_specs = false;
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ImS8 sort_order_max = 0;
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if (append_to_sort_specs)
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for (int other_column_n = 0; other_column_n < table->ColumnsCount; other_column_n++)
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sort_order_max = ImMax(sort_order_max, table->Columns[other_column_n].SortOrder);
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ImGuiTableColumn* column = &table->Columns[column_n];
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column->SortDirection = (ImS8)sort_direction;
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if (column->SortOrder == -1 || !append_to_sort_specs)
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column->SortOrder = append_to_sort_specs ? sort_order_max + 1 : 0;
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for (int other_column_n = 0; other_column_n < table->ColumnsCount; other_column_n++)
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{
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ImGuiTableColumn* other_column = &table->Columns[other_column_n];
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if (other_column != column && !append_to_sort_specs)
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other_column->SortOrder = -1;
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TableFixColumnSortDirection(other_column);
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}
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table->IsSettingsDirty = true;
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table->IsSortSpecsDirty = true;
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}
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// Return NULL if no sort specs (most often when ImGuiTableFlags_Sortable is not set)
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// You can sort your data again when 'SpecsChanged == true'. It will be true with sorting specs have changed since
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// last call, or the first time.
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// Lifetime: don't hold on this pointer over multiple frames or past any subsequent call to BeginTable()!
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ImGuiTableSortSpecs* ImGui::TableGetSortSpecs()
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{
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ImGuiContext& g = *GImGui;
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ImGuiTable* table = g.CurrentTable;
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IM_ASSERT(table != NULL);
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if (!(table->Flags & ImGuiTableFlags_Sortable))
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return NULL;
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// Require layout (in case TableHeadersRow() hasn't been called) as it may alter IsSortSpecsDirty in some paths.
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if (!table->IsLayoutLocked)
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TableUpdateLayout(table);
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if (table->IsSortSpecsDirty)
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TableSortSpecsBuild(table);
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return table->SortSpecs.SpecsCount ? &table->SortSpecs : NULL;
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}
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bool ImGui::TableGetColumnIsSorted(int column_n)
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{
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ImGuiContext& g = *GImGui;
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ImGuiTable* table = g.CurrentTable;
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if (!table)
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return false;
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if (column_n < 0)
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column_n = table->CurrentColumn;
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ImGuiTableColumn* column = &table->Columns[column_n];
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return (column->SortOrder != -1);
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}
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// Return -1 when table is not hovered. return columns_count if the unused space at the right of visible columns is hovered.
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int ImGui::TableGetHoveredColumn()
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{
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ImGuiContext& g = *GImGui;
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ImGuiTable* table = g.CurrentTable;
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if (!table)
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return -1;
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return (int)table->HoveredColumnBody;
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}
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void ImGui::TableSetBgColor(ImGuiTableBgTarget bg_target, ImU32 color, int column_n)
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{
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ImGuiContext& g = *GImGui;
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ImGuiTable* table = g.CurrentTable;
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IM_ASSERT(bg_target != ImGuiTableBgTarget_None);
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if (color == IM_COL32_DISABLE)
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color = 0;
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// We cannot draw neither the cell or row background immediately as we don't know the row height at this point in time.
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switch (bg_target)
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{
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case ImGuiTableBgTarget_CellBg:
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{
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if (table->RowPosY1 > table->InnerClipRect.Max.y) // Discard
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return;
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if (column_n == -1)
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column_n = table->CurrentColumn;
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if ((table->EnabledUnclippedMaskByIndex & ((ImU64)1 << column_n)) == 0)
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return;
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if (table->RowCellDataCurrent < 0 || table->RowCellData[table->RowCellDataCurrent].Column != column_n)
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table->RowCellDataCurrent++;
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ImGuiTableCellData* cell_data = &table->RowCellData[table->RowCellDataCurrent];
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cell_data->BgColor = color;
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cell_data->Column = (ImS8)column_n;
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break;
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}
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case ImGuiTableBgTarget_RowBg0:
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case ImGuiTableBgTarget_RowBg1:
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{
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if (table->RowPosY1 > table->InnerClipRect.Max.y) // Discard
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return;
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IM_ASSERT(column_n == -1);
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int bg_idx = (bg_target == ImGuiTableBgTarget_RowBg1) ? 1 : 0;
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table->RowBgColor[bg_idx] = color;
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break;
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}
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default:
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IM_ASSERT(0);
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}
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}
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//-------------------------------------------------------------------------
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// [SECTION] Tables: Sorting
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//-------------------------------------------------------------------------
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// - TableGetSortSpecs()
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// - TableGetColumnIsSorted()
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// - TableFixColumnSortDirection() [Internal]
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// - TableSetColumnSortDirection() [Internal]
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// - TableSortSpecsSanitize() [Internal]
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// - TableSortSpecsBuild() [Internal]
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//-------------------------------------------------------------------------
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void ImGui::TableSortSpecsSanitize(ImGuiTable* table)
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{
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IM_ASSERT(table->Flags & ImGuiTableFlags_Sortable);
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// Clear SortOrder from hidden column and verify that there's no gap or duplicate.
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int sort_order_count = 0;
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ImU64 sort_order_mask = 0x00;
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for (int column_n = 0; column_n < table->ColumnsCount; column_n++)
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{
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ImGuiTableColumn* column = &table->Columns[column_n];
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if (column->SortOrder != -1 && !column->IsEnabled)
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column->SortOrder = -1;
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if (column->SortOrder == -1)
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continue;
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sort_order_count++;
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sort_order_mask |= ((ImU64)1 << column->SortOrder);
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IM_ASSERT(sort_order_count < (int)sizeof(sort_order_mask) * 8);
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}
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const bool need_fix_linearize = ((ImU64)1 << sort_order_count) != (sort_order_mask + 1);
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const bool need_fix_single_sort_order = (sort_order_count > 1) && !(table->Flags & ImGuiTableFlags_MultiSortable);
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if (need_fix_linearize || need_fix_single_sort_order)
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{
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ImU64 fixed_mask = 0x00;
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for (int sort_n = 0; sort_n < sort_order_count; sort_n++)
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{
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// Fix: Rewrite sort order fields if needed so they have no gap or duplicate.
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// (e.g. SortOrder 0 disappeared, SortOrder 1..2 exists --> rewrite then as SortOrder 0..1)
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int column_with_smallest_sort_order = -1;
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for (int column_n = 0; column_n < table->ColumnsCount; column_n++)
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if ((fixed_mask & ((ImU64)1 << (ImU64)column_n)) == 0 && table->Columns[column_n].SortOrder != -1)
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if (column_with_smallest_sort_order == -1 || table->Columns[column_n].SortOrder < table->Columns[column_with_smallest_sort_order].SortOrder)
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column_with_smallest_sort_order = column_n;
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IM_ASSERT(column_with_smallest_sort_order != -1);
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fixed_mask |= ((ImU64)1 << column_with_smallest_sort_order);
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table->Columns[column_with_smallest_sort_order].SortOrder = (ImS8)sort_n;
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// Fix: Make sure only one column has a SortOrder if ImGuiTableFlags_MultiSortable is not set.
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if (need_fix_single_sort_order)
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{
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sort_order_count = 1;
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for (int column_n = 0; column_n < table->ColumnsCount; column_n++)
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if (column_n != column_with_smallest_sort_order)
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table->Columns[column_n].SortOrder = -1;
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break;
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}
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}
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}
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// Fallback default sort order (if no column had the ImGuiTableColumnFlags_DefaultSort flag)
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if (sort_order_count == 0)
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for (int column_n = 0; column_n < table->ColumnsCount; column_n++)
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{
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ImGuiTableColumn* column = &table->Columns[column_n];
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if (column->IsEnabled && !(column->Flags & ImGuiTableColumnFlags_NoSort))
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{
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sort_order_count = 1;
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column->SortOrder = 0;
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TableFixColumnSortDirection(column);
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break;
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}
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}
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table->SortSpecsCount = (ImS8)sort_order_count;
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}
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void ImGui::TableSortSpecsBuild(ImGuiTable* table)
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{
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IM_ASSERT(table->IsSortSpecsDirty);
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TableSortSpecsSanitize(table);
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// Write output
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table->SortSpecsData.resize(table->SortSpecsCount);
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for (int column_n = 0; column_n < table->ColumnsCount; column_n++)
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{
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ImGuiTableColumn* column = &table->Columns[column_n];
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if (column->SortOrder == -1)
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continue;
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ImGuiTableSortSpecsColumn* sort_spec = &table->SortSpecsData[column->SortOrder];
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sort_spec->ColumnUserID = column->UserID;
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sort_spec->ColumnIndex = (ImU8)column_n;
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sort_spec->SortOrder = (ImU8)column->SortOrder;
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sort_spec->SortDirection = column->SortDirection;
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}
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table->SortSpecs.Specs = table->SortSpecsData.Data;
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table->SortSpecs.SpecsCount = table->SortSpecsData.Size;
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table->SortSpecs.SpecsDirty = true; // Mark as dirty for user
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table->IsSortSpecsDirty = false; // Mark as not dirty for us
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}
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//-------------------------------------------------------------------------
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// [SECTION] Tables: Headers
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//-------------------------------------------------------------------------
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// - TableHeadersRow()
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// - TableHeader()
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//-------------------------------------------------------------------------
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// This is a helper to output TableHeader() calls based on the column names declared in TableSetupColumn().
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// This is a helper to output TableHeader() calls based on the column names declared in TableSetupColumn().
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// The intent is that advanced users willing to create customized headers would not need to use this helper
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// The intent is that advanced users willing to create customized headers would not need to use this helper
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// and can create their own! For example: TableHeader() may be preceeded by Checkbox() or other custom widgets.
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// and can create their own! For example: TableHeader() may be preceeded by Checkbox() or other custom widgets.
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@ -2379,214 +2605,6 @@ void ImGui::TableHeader(const char* label)
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TableOpenContextMenu(column_n);
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TableOpenContextMenu(column_n);
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}
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}
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// Note that the NoSortAscending/NoSortDescending flags are processed in TableSortSpecsSanitize(), and they may change/revert
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// the value of SortDirection. We could technically also do it here but it would be unnecessary and duplicate code.
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void ImGui::TableSetColumnSortDirection(int column_n, ImGuiSortDirection sort_direction, bool append_to_sort_specs)
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{
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ImGuiContext& g = *GImGui;
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ImGuiTable* table = g.CurrentTable;
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if (!(table->Flags & ImGuiTableFlags_MultiSortable))
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append_to_sort_specs = false;
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ImS8 sort_order_max = 0;
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if (append_to_sort_specs)
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for (int other_column_n = 0; other_column_n < table->ColumnsCount; other_column_n++)
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sort_order_max = ImMax(sort_order_max, table->Columns[other_column_n].SortOrder);
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ImGuiTableColumn* column = &table->Columns[column_n];
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column->SortDirection = (ImS8)sort_direction;
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if (column->SortOrder == -1 || !append_to_sort_specs)
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column->SortOrder = append_to_sort_specs ? sort_order_max + 1 : 0;
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for (int other_column_n = 0; other_column_n < table->ColumnsCount; other_column_n++)
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{
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ImGuiTableColumn* other_column = &table->Columns[other_column_n];
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if (other_column != column && !append_to_sort_specs)
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other_column->SortOrder = -1;
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TableFixColumnSortDirection(other_column);
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}
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table->IsSettingsDirty = true;
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table->IsSortSpecsDirty = true;
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}
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// Return NULL if no sort specs (most often when ImGuiTableFlags_Sortable is not set)
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// You can sort your data again when 'SpecsChanged == true'. It will be true with sorting specs have changed since
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// last call, or the first time.
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// Lifetime: don't hold on this pointer over multiple frames or past any subsequent call to BeginTable()!
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ImGuiTableSortSpecs* ImGui::TableGetSortSpecs()
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{
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ImGuiContext& g = *GImGui;
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ImGuiTable* table = g.CurrentTable;
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IM_ASSERT(table != NULL);
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if (!(table->Flags & ImGuiTableFlags_Sortable))
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return NULL;
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// Require layout (in case TableHeadersRow() hasn't been called) as it may alter IsSortSpecsDirty in some paths.
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if (!table->IsLayoutLocked)
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TableUpdateLayout(table);
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if (table->IsSortSpecsDirty)
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TableSortSpecsBuild(table);
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return table->SortSpecs.SpecsCount ? &table->SortSpecs : NULL;
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}
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bool ImGui::TableGetColumnIsSorted(int column_n)
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{
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ImGuiContext& g = *GImGui;
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ImGuiTable* table = g.CurrentTable;
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if (!table)
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return false;
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if (column_n < 0)
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column_n = table->CurrentColumn;
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ImGuiTableColumn* column = &table->Columns[column_n];
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return (column->SortOrder != -1);
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}
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// Return -1 when table is not hovered. return columns_count if the unused space at the right of visible columns is hovered.
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int ImGui::TableGetHoveredColumn()
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{
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ImGuiContext& g = *GImGui;
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ImGuiTable* table = g.CurrentTable;
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if (!table)
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return -1;
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return (int)table->HoveredColumnBody;
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}
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void ImGui::TableSetBgColor(ImGuiTableBgTarget bg_target, ImU32 color, int column_n)
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{
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ImGuiContext& g = *GImGui;
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ImGuiTable* table = g.CurrentTable;
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IM_ASSERT(bg_target != ImGuiTableBgTarget_None);
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if (color == IM_COL32_DISABLE)
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color = 0;
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// We cannot draw neither the cell or row background immediately as we don't know the row height at this point in time.
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switch (bg_target)
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{
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case ImGuiTableBgTarget_CellBg:
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{
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if (table->RowPosY1 > table->InnerClipRect.Max.y) // Discard
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return;
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if (column_n == -1)
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column_n = table->CurrentColumn;
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if ((table->EnabledUnclippedMaskByIndex & ((ImU64)1 << column_n)) == 0)
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return;
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if (table->RowCellDataCurrent < 0 || table->RowCellData[table->RowCellDataCurrent].Column != column_n)
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table->RowCellDataCurrent++;
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ImGuiTableCellData* cell_data = &table->RowCellData[table->RowCellDataCurrent];
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cell_data->BgColor = color;
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cell_data->Column = (ImS8)column_n;
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break;
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}
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case ImGuiTableBgTarget_RowBg0:
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case ImGuiTableBgTarget_RowBg1:
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{
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|
||||||
if (table->RowPosY1 > table->InnerClipRect.Max.y) // Discard
|
|
||||||
return;
|
|
||||||
IM_ASSERT(column_n == -1);
|
|
||||||
int bg_idx = (bg_target == ImGuiTableBgTarget_RowBg1) ? 1 : 0;
|
|
||||||
table->RowBgColor[bg_idx] = color;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
default:
|
|
||||||
IM_ASSERT(0);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
void ImGui::TableSortSpecsSanitize(ImGuiTable* table)
|
|
||||||
{
|
|
||||||
IM_ASSERT(table->Flags & ImGuiTableFlags_Sortable);
|
|
||||||
|
|
||||||
// Clear SortOrder from hidden column and verify that there's no gap or duplicate.
|
|
||||||
int sort_order_count = 0;
|
|
||||||
ImU64 sort_order_mask = 0x00;
|
|
||||||
for (int column_n = 0; column_n < table->ColumnsCount; column_n++)
|
|
||||||
{
|
|
||||||
ImGuiTableColumn* column = &table->Columns[column_n];
|
|
||||||
if (column->SortOrder != -1 && !column->IsEnabled)
|
|
||||||
column->SortOrder = -1;
|
|
||||||
if (column->SortOrder == -1)
|
|
||||||
continue;
|
|
||||||
sort_order_count++;
|
|
||||||
sort_order_mask |= ((ImU64)1 << column->SortOrder);
|
|
||||||
IM_ASSERT(sort_order_count < (int)sizeof(sort_order_mask) * 8);
|
|
||||||
}
|
|
||||||
|
|
||||||
const bool need_fix_linearize = ((ImU64)1 << sort_order_count) != (sort_order_mask + 1);
|
|
||||||
const bool need_fix_single_sort_order = (sort_order_count > 1) && !(table->Flags & ImGuiTableFlags_MultiSortable);
|
|
||||||
if (need_fix_linearize || need_fix_single_sort_order)
|
|
||||||
{
|
|
||||||
ImU64 fixed_mask = 0x00;
|
|
||||||
for (int sort_n = 0; sort_n < sort_order_count; sort_n++)
|
|
||||||
{
|
|
||||||
// Fix: Rewrite sort order fields if needed so they have no gap or duplicate.
|
|
||||||
// (e.g. SortOrder 0 disappeared, SortOrder 1..2 exists --> rewrite then as SortOrder 0..1)
|
|
||||||
int column_with_smallest_sort_order = -1;
|
|
||||||
for (int column_n = 0; column_n < table->ColumnsCount; column_n++)
|
|
||||||
if ((fixed_mask & ((ImU64)1 << (ImU64)column_n)) == 0 && table->Columns[column_n].SortOrder != -1)
|
|
||||||
if (column_with_smallest_sort_order == -1 || table->Columns[column_n].SortOrder < table->Columns[column_with_smallest_sort_order].SortOrder)
|
|
||||||
column_with_smallest_sort_order = column_n;
|
|
||||||
IM_ASSERT(column_with_smallest_sort_order != -1);
|
|
||||||
fixed_mask |= ((ImU64)1 << column_with_smallest_sort_order);
|
|
||||||
table->Columns[column_with_smallest_sort_order].SortOrder = (ImS8)sort_n;
|
|
||||||
|
|
||||||
// Fix: Make sure only one column has a SortOrder if ImGuiTableFlags_MultiSortable is not set.
|
|
||||||
if (need_fix_single_sort_order)
|
|
||||||
{
|
|
||||||
sort_order_count = 1;
|
|
||||||
for (int column_n = 0; column_n < table->ColumnsCount; column_n++)
|
|
||||||
if (column_n != column_with_smallest_sort_order)
|
|
||||||
table->Columns[column_n].SortOrder = -1;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Fallback default sort order (if no column had the ImGuiTableColumnFlags_DefaultSort flag)
|
|
||||||
if (sort_order_count == 0)
|
|
||||||
for (int column_n = 0; column_n < table->ColumnsCount; column_n++)
|
|
||||||
{
|
|
||||||
ImGuiTableColumn* column = &table->Columns[column_n];
|
|
||||||
if (column->IsEnabled && !(column->Flags & ImGuiTableColumnFlags_NoSort))
|
|
||||||
{
|
|
||||||
sort_order_count = 1;
|
|
||||||
column->SortOrder = 0;
|
|
||||||
TableFixColumnSortDirection(column);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
table->SortSpecsCount = (ImS8)sort_order_count;
|
|
||||||
}
|
|
||||||
|
|
||||||
void ImGui::TableSortSpecsBuild(ImGuiTable* table)
|
|
||||||
{
|
|
||||||
IM_ASSERT(table->IsSortSpecsDirty);
|
|
||||||
TableSortSpecsSanitize(table);
|
|
||||||
|
|
||||||
// Write output
|
|
||||||
table->SortSpecsData.resize(table->SortSpecsCount);
|
|
||||||
for (int column_n = 0; column_n < table->ColumnsCount; column_n++)
|
|
||||||
{
|
|
||||||
ImGuiTableColumn* column = &table->Columns[column_n];
|
|
||||||
if (column->SortOrder == -1)
|
|
||||||
continue;
|
|
||||||
ImGuiTableSortSpecsColumn* sort_spec = &table->SortSpecsData[column->SortOrder];
|
|
||||||
sort_spec->ColumnUserID = column->UserID;
|
|
||||||
sort_spec->ColumnIndex = (ImU8)column_n;
|
|
||||||
sort_spec->SortOrder = (ImU8)column->SortOrder;
|
|
||||||
sort_spec->SortDirection = column->SortDirection;
|
|
||||||
}
|
|
||||||
table->SortSpecs.Specs = table->SortSpecsData.Data;
|
|
||||||
table->SortSpecs.SpecsCount = table->SortSpecsData.Size;
|
|
||||||
table->SortSpecs.SpecsDirty = true; // Mark as dirty for user
|
|
||||||
table->IsSortSpecsDirty = false; // Mark as not dirty for us
|
|
||||||
}
|
|
||||||
|
|
||||||
//-------------------------------------------------------------------------
|
//-------------------------------------------------------------------------
|
||||||
// [SECTION] Tables: Context Menu
|
// [SECTION] Tables: Context Menu
|
||||||
//-------------------------------------------------------------------------
|
//-------------------------------------------------------------------------
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user