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fix(grid): keep canvas backing store at observed pixel density under reduced UI scale

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TangT authored and GitHub committed 2026-08-06 14:09:21 +08:00
1 parent c398a07573
commit 122b606bd7
3 files changed
+25 -7
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apps/desktop/src/components/grid/DataGrid.vue
+2 -2
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@@ -142,7 +142,7 @@ import { dataGridHeaderContentWidth, scrollbarGutterWidth } from "@/lib/dataGrid
import { canFetchNextDataGridSegment, canGoNextDataGridPage, dataGridTotalRowCountLabelKey, dataGridTruncationHintKey, hasCompleteLocalDataGridResult, resolveDataGridPaginationTotal, type DataGridInexactTotalRowCountMode } from "@/lib/dataGrid/dataGridPagination";
import { dataGridCountQueryOptions } from "@/lib/dataGrid/dataGridQueryOptions";
import { dataGridBottomScrollTop, dataGridScrollPosition, isDataGridAtScrollBottom, isDataGridNearScrollBottom, isDataGridPrefixAppend, shouldCheckInfiniteScrollAfterScroll, type DataGridScrollPosition } from "@/lib/dataGrid/dataGridInfiniteScroll";
import { CANVAS_DATA_GRID_ROW_HEIGHT, canvasDataGridActionOverlayWidth, canvasDataGridActionReservedWidth, dataGridSearchMatchKey, drawCanvasDataGrid, type CanvasDevicePixelSize } from "@/lib/dataGrid/canvasDataGridRenderer";
import { CANVAS_DATA_GRID_ROW_HEIGHT, MAX_CANVAS_DATA_GRID_PIXEL_RATIO, canvasDataGridActionOverlayWidth, canvasDataGridActionReservedWidth, dataGridSearchMatchKey, drawCanvasDataGrid, type CanvasDevicePixelSize } from "@/lib/dataGrid/canvasDataGridRenderer";
import { DATA_GRID_DARK_STRIPED_ROW_BG, DATA_GRID_LIGHT_STRIPED_ROW_BG, dataGridActiveRowBackground } from "@/lib/dataGrid/dataGridPaintTheme";
import { createRowLowerTextCache } from "@/lib/dataGrid/dataGridRowLowerText";
import { dataGridPreviewLabelKey, dataGridSaveActionMode, dataGridSaveToolbarState } from "@/lib/dataGrid/dataGridSaveUi";
@@ -4775,7 +4775,7 @@ const canvasScrollTop = ref(0);
const canvasHoverCell = ref<{ rowIndex: number; visibleColIdx: number } | null>(null);
const canvasDevicePixelRatio = ref(typeof window === "undefined" ? 1 : window.devicePixelRatio || 1);
const canvasMeasuredDevicePixelSize = ref<CanvasDevicePixelSize | null>(null);
const canvasBackingPixelRatio = computed(() => Math.min(4, Math.max(1, canvasDevicePixelRatio.value * settingsStore.editorSettings.uiScale)));
const canvasBackingPixelRatio = computed(() => Math.min(MAX_CANVAS_DATA_GRID_PIXEL_RATIO, Math.max(1, canvasDevicePixelRatio.value * settingsStore.editorSettings.uiScale)));
const useCanvasGridRows = computed(() => dataGridRenderMode.value === "canvas");
const canvasContentHeight = computed(() => Math.max(1, displayRowCount.value * CANVAS_DATA_GRID_ROW_HEIGHT));
// Clamp the sticky canvas/overlay to the content width. A viewport-wide sticky surface inflates the