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Tables: fixed some cases of reconcile/load handling when using duplicate identifiers. (#9108)

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ocornut
2026-06-23 16:51:38 +02:00
parent b522576054
commit ec69495ca8
2 changed files with 40 additions and 31 deletions
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3
imgui_internal.h
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@@ -2937,7 +2937,8 @@ struct ImGuiTableColumn
bool IsPreserveWidthAuto : 1;
bool IsJustCreated : 1;
bool IsLoadedSettings : 1;
bool SrcFoundReconcileTarget : 1;
bool IsNeedReconcileSrc : 1;
bool IsNeedReconcileDst : 1;
ImS8 NavLayerCurrent; // ImGuiNavLayer in 1 byte
ImU8 AutoFitQueue : 4; // Queue of 4 values for the next 4 frames to request auto-fit
ImU8 CannotSkipItemsQueue : 4; // Queue of 4 values for the next 4 frames to disable Clipped/SkipItem

68
imgui_tables.cpp
View File

@@ -573,6 +573,8 @@ bool ImGui::BeginTableEx(const char* name, ImGuiID id, int columns_count, ImG
IM_ASSERT(temp_data->OldColumnsRawData == NULL);
temp_data->OldColumnsRawData = table->RawData; // Freed during layout
temp_data->OldColumnsData = table->Columns;
for (ImGuiTableColumn& src_column : table->TempData->OldColumnsData)
src_column.IsNeedReconcileSrc = true;
table->RawData = NULL;
}
if (table->RawData == NULL)
@@ -1756,7 +1758,7 @@ void ImGui::TableSetupColumn(const char* label, ImGuiTableColumnFlags flags, flo
ImGuiTableColumn* column = &table->Columns[column_idx];
// If topology change goes into reconcile mode
if (!table->IsReconcileMode && column->ID != column_id)
if (table->IsReconcileMode == false && column->ID != column_id)
{
table->IsReconcileMode = true;
table->TempData->ReconcileColumnsRequests.reserve(table->ColumnsCount - column_idx);
@@ -1766,6 +1768,9 @@ void ImGui::TableSetupColumn(const char* label, ImGuiTableColumnFlags flags, flo
if (table->IsReconcileMode == false)
{
TableSetupColumnApply(table, column_idx, column_id, name_offset, flags, init_width_or_weight, user_data);
column->IsNeedReconcileSrc = column->IsNeedReconcileDst = false;
if (column_idx < table->TempData->OldColumnsData.size())
table->TempData->OldColumnsData[column_idx].IsNeedReconcileSrc = false;
return;
}
@@ -1782,9 +1787,8 @@ void ImGui::TableSetupColumn(const char* label, ImGuiTableColumnFlags flags, flo
reconcile_data.UserData = user_data;
reconcile_data.ColumnNewIdx = (ImGuiTableColumnIdx)column_idx;
reconcile_data.ColumnOldIdx = (ImGuiTableColumnIdx)-1;
// Allow TableGetColumnName() to work before layout
column->NameOffset = name_offset;
column->NameOffset = name_offset; // Allow TableGetColumnName() to work before layout
column->IsNeedReconcileSrc = column->IsNeedReconcileDst = true;
}
// NB: This was written to be similar to the logic in TableLoadSettingsForColumns().
@@ -1795,9 +1799,8 @@ void ImGui::TableReconcileColumns(ImGuiTable* table)
IM_UNUSED(g);
IMGUI_DEBUG_LOG_TABLE("[table] Reconcile columns for table 0x%08X\n", table->ID);
ImSpan<ImGuiTableColumn>& dst_columns = table->Columns;
ImSpan<ImGuiTableColumn>& src_columns = table->TempData->OldColumnsData.empty() ? table->Columns : table->TempData->OldColumnsData;
for (ImGuiTableColumn& src_column : src_columns)
src_column.SrcFoundReconcileTarget = false;
// Find matches for named columns.
int matches = 0;
@@ -1805,11 +1808,13 @@ void ImGui::TableReconcileColumns(ImGuiTable* table)
for (ImGuiTableReconcileColumnData& reconcile_data : reconcile_requests)
if (reconcile_data.ID != 0)
for (ImGuiTableColumn& src_column : src_columns)
if (src_column.ID == reconcile_data.ID && !src_column.SrcFoundReconcileTarget)
if (src_column.ID == reconcile_data.ID && src_column.IsNeedReconcileSrc)
{
ImGuiTableColumn& dst_column = dst_columns[reconcile_data.ColumnNewIdx];
IM_ASSERT(src_column.IsNeedReconcileSrc && dst_column.IsNeedReconcileDst);
src_column.IsNeedReconcileSrc = dst_column.IsNeedReconcileDst = false;
reconcile_data.ColumnOldIdx = (ImGuiTableColumnIdx)src_columns.index_from_ptr(&src_column);
reconcile_data.ColumnOldData = src_column;
src_column.SrcFoundReconcileTarget = true;
matches++;
break;
}
@@ -1818,21 +1823,25 @@ void ImGui::TableReconcileColumns(ImGuiTable* table)
int dst_idx = 0; // index in reconcile array
if (matches != reconcile_requests.Size)
for (ImGuiTableColumn& src_column : src_columns)
if (!src_column.SrcFoundReconcileTarget)
{
while (dst_idx < reconcile_requests.Size && reconcile_requests[dst_idx].ColumnOldIdx != (ImGuiTableColumnIdx)-1)
dst_idx++;
if (dst_idx == reconcile_requests.Size)
break;
reconcile_requests[dst_idx].ColumnOldIdx = (ImGuiTableColumnIdx)src_columns.index_from_ptr(&src_column);
reconcile_requests[dst_idx].ColumnOldData = src_column;
IM_ASSERT(src_column.SrcFoundReconcileTarget == false);
}
{
if (!src_column.IsNeedReconcileSrc)
continue;
while (dst_idx < reconcile_requests.Size && reconcile_requests[dst_idx].ColumnOldIdx != (ImGuiTableColumnIdx)-1)
dst_idx++;
if (dst_idx == reconcile_requests.Size)
break;
ImGuiTableReconcileColumnData& reconcile_data = reconcile_requests[dst_idx];
ImGuiTableColumn& dst_column = dst_columns[reconcile_data.ColumnNewIdx];
IM_ASSERT(src_column.IsNeedReconcileSrc && dst_column.IsNeedReconcileDst);
dst_column.IsNeedReconcileSrc = dst_column.IsNeedReconcileDst = false;
reconcile_data.ColumnOldIdx = (ImGuiTableColumnIdx)src_columns.index_from_ptr(&src_column);
reconcile_data.ColumnOldData = src_column;
}
// Apply in the final pass. Because it is possible that src_columns == table->Columns we went through a temporary copy.
for (ImGuiTableReconcileColumnData& reconcile_data : reconcile_requests)
{
table->Columns[reconcile_data.ColumnNewIdx] = reconcile_data.ColumnOldData; // When old column was not found clear anyway with default-constructed data.
table->Columns[reconcile_data.ColumnNewIdx] = reconcile_data.ColumnOldData; // When old column was not found clear anyway with default-constructed data (which will set IsJustCreated=true)
TableSetupColumnApply(table, reconcile_data.ColumnNewIdx, reconcile_data.ID, reconcile_data.NameOffset, reconcile_data.Flags, reconcile_data.InitWidthOrWeight, reconcile_data.UserData);
IMGUI_DEBUG_LOG_TABLE("[table] - old %d -> new %d \"%s\"\n", reconcile_data.ColumnOldIdx, reconcile_data.ColumnNewIdx, TableGetColumnName(table, reconcile_data.ColumnNewIdx)); // Log at the end so NameOffset was copied.
}
@@ -3831,6 +3840,7 @@ void ImGui::TableDrawDefaultContextMenu(ImGuiTable* table, ImGuiTableFlags flags
// - TableResetSettings()
// - TableSaveSettings() [Internal]
// - TableLoadSettings() [Internal]
// - TableLoadSettingsForColumns() [Internal]
// - TableSettingsHandler_ClearAll() [Internal]
// - TableSettingsHandler_ApplyAll() [Internal]
// - TableSettingsHandler_ReadOpen() [Internal]
@@ -4008,27 +4018,25 @@ void ImGui::TableLoadSettingsForColumns(ImGuiTable* table)
ImGuiTableColumnSettings* column_settings = settings->GetColumnSettings();
for (int column_settings_n = 0; column_settings_n < settings->ColumnsCount; column_settings_n++, column_settings++)
{
const int src_idx = column_settings->Index;
int dst_idx = src_idx;
column_settings->IsLoaded = false;
if (dst_idx >= 0 && dst_idx < table->ColumnsCount && table->Columns[dst_idx].ID == column_settings->ID)
const int dst_idx = column_settings->Index;
if (dst_idx >= 0 && dst_idx < table->ColumnsCount && table->Columns[dst_idx].ID == column_settings->ID && !table->Columns[dst_idx].IsLoadedSettings)
{
// Fast/Common path
TableLoadSettingsForColumn(&table->Columns[dst_idx], column_settings, settings->SaveFlags);
matches++;
continue;
}
else if (column_settings->ID != 0)
{
// Find match for named columns.
for (int other_n = 0; other_n < table->ColumnsCount; other_n++)
if (table->Columns[other_n].ID == column_settings->ID)
// Find match for named columns.
if (column_settings->ID != 0)
for (ImGuiTableColumn& column : table->Columns)
if (column.ID == column_settings->ID && !column.IsLoadedSettings)
{
dst_idx = other_n;
TableLoadSettingsForColumn(&table->Columns[dst_idx], column_settings, settings->SaveFlags);
TableLoadSettingsForColumn(&column, column_settings, settings->SaveFlags);
matches++;
break;
}
}
}
// Remaining entries are matched sequentially