mirror of https://github.com/ocornut/imgui
Tables: moved TableNextRow(), TableBeginRow(), TableEndRow(), TableNextColumn(), TableBeginCell(), TableEndCell() to their own section.
This commit is contained in:
ocornut
parent
e6b875c09b
commit
76964a27ce
418
imgui_tables.cpp
418
imgui_tables.cpp
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@ -6,6 +6,8 @@
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Index of this file:
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// [SECTION] Tables: Main code
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// [SECTION] Tables: Row changes
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// [SECTION] Tables: Columns changes
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// [SECTION] Tables: Columns width management
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// [SECTION] Tables: Drawing
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// [SECTION] Tables: Sorting
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@ -1369,6 +1371,153 @@ void ImGui::TableSetupScrollFreeze(int columns, int rows)
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table->IsUnfrozen = (table->FreezeRowsCount == 0); // Make sure this is set before TableUpdateLayout() so ImGuiListClipper can benefit from it.b
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}
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int ImGui::TableGetColumnCount()
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{
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ImGuiContext& g = *GImGui;
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ImGuiTable* table = g.CurrentTable;
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return table ? table->ColumnsCount : 0;
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}
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const char* ImGui::TableGetColumnName(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 NULL;
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if (column_n < 0)
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column_n = table->CurrentColumn;
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return TableGetColumnName(table, column_n);
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}
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// We allow querying for an extra column in order to poll the IsHovered state of the right-most section
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ImGuiTableColumnFlags ImGui::TableGetColumnFlags(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 ImGuiTableColumnFlags_None;
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if (column_n < 0)
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column_n = table->CurrentColumn;
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if (column_n == table->ColumnsCount)
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return (table->HoveredColumnBody == column_n) ? ImGuiTableColumnFlags_IsHovered : ImGuiTableColumnFlags_None;
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return table->Columns[column_n].Flags;
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}
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void ImGui::TableSetColumnIsEnabled(int column_n, bool hidden)
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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 && table->IsLayoutLocked == false);
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if (column_n < 0)
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column_n = table->CurrentColumn;
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IM_ASSERT(column_n >= 0 && column_n < table->ColumnsCount);
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table->Columns[column_n].IsEnabledNextFrame = !hidden;
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}
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// Return the cell rectangle based on currently known height.
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// - Important: we generally don't know our row height until the end of the row, so Max.y will be incorrect in many situations.
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// The only case where this is correct is if we provided a min_row_height to TableNextRow() and don't go below it.
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// - Important: if ImGuiTableFlags_PadOuterX is set but ImGuiTableFlags_PadInnerX is not set, the outer-most left and right
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// columns report a small offset so their CellBgRect can extend up to the outer border.
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ImRect ImGui::TableGetCellBgRect(const ImGuiTable* table, int column_n)
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{
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const ImGuiTableColumn* column = &table->Columns[column_n];
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float x1 = column->MinX;
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float x2 = column->MaxX;
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if (column->PrevEnabledColumn == -1)
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x1 -= table->CellSpacingX1;
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if (column->NextEnabledColumn == -1)
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x2 += table->CellSpacingX2;
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return ImRect(x1, table->RowPosY1, x2, table->RowPosY2);
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}
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const char* ImGui::TableGetColumnName(const ImGuiTable* table, int column_n)
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{
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const ImGuiTableColumn* column = &table->Columns[column_n];
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if (column->NameOffset == -1)
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return "";
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return &table->ColumnsNames.Buf[column->NameOffset];
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}
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// Return the resizing ID for the right-side of the given column.
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ImGuiID ImGui::TableGetColumnResizeID(const ImGuiTable* table, int column_n, int instance_no)
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{
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IM_ASSERT(column_n < table->ColumnsCount);
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ImGuiID id = table->ID + 1 + (instance_no * table->ColumnsCount) + column_n;
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return id;
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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->VisibleMaskByIndex & ((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 = (ImGuiTableColumnIdx)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: Row changes
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//-------------------------------------------------------------------------
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// - TableGetRowIndex()
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// - TableNextRow()
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// - TableBeginRow() [Internal]
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// - TableEndRow() [Internal]
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//-------------------------------------------------------------------------
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// [Public] Note: for row coloring we use ->RowBgColorCounter which is the same value without counting header rows
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int ImGui::TableGetRowIndex()
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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 0;
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return table->CurrentRow;
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}
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// [Public] Starts into the first cell of a new row
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void ImGui::TableNextRow(ImGuiTableRowFlags row_flags, float row_min_height)
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{
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@ -1394,7 +1543,7 @@ void ImGui::TableNextRow(ImGuiTableRowFlags row_flags, float row_min_height)
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table->InnerWindow->SkipItems = true;
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}
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// [Internal] Called by TableNextRow()!
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// [Internal] Called by TableNextRow()
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void ImGui::TableBeginRow(ImGuiTable* table)
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{
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ImGuiWindow* window = table->InnerWindow;
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@ -1427,7 +1576,7 @@ void ImGui::TableBeginRow(ImGuiTable* table)
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}
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}
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// [Internal] Called by TableNextRow()!
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// [Internal] Called by TableNextRow()
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void ImGui::TableEndRow(ImGuiTable* table)
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{
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ImGuiContext& g = *GImGui;
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@ -1559,7 +1708,74 @@ void ImGui::TableEndRow(ImGuiTable* table)
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table->IsInsideRow = false;
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}
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// [Internal] Called by TableNextColumn()!
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//-------------------------------------------------------------------------
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// [SECTION] Tables: Columns changes
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//-------------------------------------------------------------------------
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// - TableGetColumnIndex()
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// - TableSetColumnIndex()
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// - TableNextColumn()
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// - TableBeginCell() [Internal]
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// - TableEndCell() [Internal]
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//-------------------------------------------------------------------------
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int ImGui::TableGetColumnIndex()
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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 0;
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return table->CurrentColumn;
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}
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// [Public] Append into a specific column
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bool ImGui::TableSetColumnIndex(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 (table->CurrentColumn != column_n)
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{
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if (table->CurrentColumn != -1)
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TableEndCell(table);
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IM_ASSERT(column_n >= 0 && table->ColumnsCount);
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TableBeginCell(table, column_n);
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}
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// Return whether the column is visible. User may choose to skip submitting items based on this return value,
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// however they shouldn't skip submitting for columns that may have the tallest contribution to row height.
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return (table->RequestOutputMaskByIndex & ((ImU64)1 << column_n)) != 0;
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}
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// [Public] Append into the next column, wrap and create a new row when already on last column
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bool ImGui::TableNextColumn()
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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 (table->IsInsideRow && table->CurrentColumn + 1 < table->ColumnsCount)
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{
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if (table->CurrentColumn != -1)
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TableEndCell(table);
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TableBeginCell(table, table->CurrentColumn + 1);
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}
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else
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{
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TableNextRow();
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TableBeginCell(table, 0);
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}
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// Return whether the column is visible. User may choose to skip submitting items based on this return value,
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// however they shouldn't skip submitting for columns that may have the tallest contribution to row height.
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int column_n = table->CurrentColumn;
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return (table->RequestOutputMaskByIndex & ((ImU64)1 << column_n)) != 0;
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}
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// [Internal] Called by TableSetColumnIndex()/TableNextColumn()
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// This is called very frequently, so we need to be mindful of unnecessary overhead.
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// FIXME-TABLE FIXME-OPT: Could probably shortcut some things for non-active or clipped columns.
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void ImGui::TableBeginCell(ImGuiTable* table, int column_n)
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@ -1605,7 +1821,7 @@ void ImGui::TableBeginCell(ImGuiTable* table, int column_n)
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}
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}
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// [Internal] Called by TableNextRow()/TableNextColumn()!
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// [Internal] Called by TableNextRow()/TableSetColumnIndex()/TableNextColumn()
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void ImGui::TableEndCell(ImGuiTable* table)
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{
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ImGuiTableColumn* column = &table->Columns[table->CurrentColumn];
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@ -1626,200 +1842,6 @@ void ImGui::TableEndCell(ImGuiTable* table)
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table->RowTextBaseline = ImMax(table->RowTextBaseline, window->DC.PrevLineTextBaseOffset);
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}
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// [Public] Append into the next column/cell
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bool ImGui::TableNextColumn()
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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 (table->IsInsideRow && table->CurrentColumn + 1 < table->ColumnsCount)
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{
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if (table->CurrentColumn != -1)
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TableEndCell(table);
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TableBeginCell(table, table->CurrentColumn + 1);
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}
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else
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{
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TableNextRow();
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TableBeginCell(table, 0);
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}
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// Return whether the column is visible. User may choose to skip submitting items based on this return value,
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// however they shouldn't skip submitting for columns that may have the tallest contribution to row height.
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int column_n = table->CurrentColumn;
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return (table->RequestOutputMaskByIndex & ((ImU64)1 << column_n)) != 0;
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}
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// [Public] Append into a specific column
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bool ImGui::TableSetColumnIndex(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 (table->CurrentColumn != column_n)
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{
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if (table->CurrentColumn != -1)
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TableEndCell(table);
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IM_ASSERT(column_n >= 0 && table->ColumnsCount);
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TableBeginCell(table, column_n);
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}
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// Return whether the column is visible. User may choose to skip submitting items based on this return value,
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// however they shouldn't skip submitting for columns that may have the tallest contribution to row height.
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return (table->RequestOutputMaskByIndex & ((ImU64)1 << column_n)) != 0;
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}
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int ImGui::TableGetColumnCount()
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{
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ImGuiContext& g = *GImGui;
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ImGuiTable* table = g.CurrentTable;
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return table ? table->ColumnsCount : 0;
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}
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const char* ImGui::TableGetColumnName(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 NULL;
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if (column_n < 0)
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column_n = table->CurrentColumn;
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return TableGetColumnName(table, column_n);
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}
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// We allow querying for an extra column in order to poll the IsHovered state of the right-most section
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ImGuiTableColumnFlags ImGui::TableGetColumnFlags(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 ImGuiTableColumnFlags_None;
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if (column_n < 0)
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column_n = table->CurrentColumn;
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if (column_n == table->ColumnsCount)
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return (table->HoveredColumnBody == column_n) ? ImGuiTableColumnFlags_IsHovered : ImGuiTableColumnFlags_None;
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return table->Columns[column_n].Flags;
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}
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void ImGui::TableSetColumnIsEnabled(int column_n, bool hidden)
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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 && table->IsLayoutLocked == false);
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if (column_n < 0)
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column_n = table->CurrentColumn;
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IM_ASSERT(column_n >= 0 && column_n < table->ColumnsCount);
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table->Columns[column_n].IsEnabledNextFrame = !hidden;
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}
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int ImGui::TableGetColumnIndex()
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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 0;
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return table->CurrentColumn;
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}
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// Note: for row coloring we use ->RowBgColorCounter which is the same value without counting header rows
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int ImGui::TableGetRowIndex()
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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 0;
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return table->CurrentRow;
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}
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// Return the cell rectangle based on currently known height.
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// - Important: we generally don't know our row height until the end of the row, so Max.y will be incorrect in many situations.
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// The only case where this is correct is if we provided a min_row_height to TableNextRow() and don't go below it.
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// - Important: if ImGuiTableFlags_PadOuterX is set but ImGuiTableFlags_PadInnerX is not set, the outer-most left and right
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// columns report a small offset so their CellBgRect can extend up to the outer border.
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ImRect ImGui::TableGetCellBgRect(const ImGuiTable* table, int column_n)
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{
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const ImGuiTableColumn* column = &table->Columns[column_n];
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float x1 = column->MinX;
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float x2 = column->MaxX;
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if (column->PrevEnabledColumn == -1)
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x1 -= table->CellSpacingX1;
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if (column->NextEnabledColumn == -1)
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x2 += table->CellSpacingX2;
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return ImRect(x1, table->RowPosY1, x2, table->RowPosY2);
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}
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const char* ImGui::TableGetColumnName(const ImGuiTable* table, int column_n)
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{
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const ImGuiTableColumn* column = &table->Columns[column_n];
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if (column->NameOffset == -1)
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return "";
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return &table->ColumnsNames.Buf[column->NameOffset];
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}
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// Return the resizing ID for the right-side of the given column.
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ImGuiID ImGui::TableGetColumnResizeID(const ImGuiTable* table, int column_n, int instance_no)
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{
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IM_ASSERT(column_n < table->ColumnsCount);
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ImGuiID id = table->ID + 1 + (instance_no * table->ColumnsCount) + column_n;
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return id;
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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->VisibleMaskByIndex & ((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 = (ImGuiTableColumnIdx)column_n;
|
||||
break;
|
||||
}
|
||||
case ImGuiTableBgTarget_RowBg0:
|
||||
case ImGuiTableBgTarget_RowBg1:
|
||||
{
|
||||
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);
|
||||
}
|
||||
}
|
||||
|
||||
//-------------------------------------------------------------------------
|
||||
// [SECTION] Tables: Columns width management
|
||||
//-------------------------------------------------------------------------
|
||||
|
|
|
|||
Loading…
Reference in New Issue