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Tables: moved TableGetSortSpecs(), TableGetColumnIsSorted(), TableFixColumnSortDirection(), TableSetColumnSortDirection() to their own section.

This commit is contained in:
ocornut 2020-12-01 17:16:59 +01:00
parent d6b1f0d13d
commit b7c83e4bac
2 changed files with 82 additions and 79 deletions
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1
imgui_internal.h
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@ -2291,6 +2291,7 @@ namespace ImGui
IMGUI_API void TableReorderDrawChannelsForMerge(ImGuiTable* table); IMGUI_API void TableReorderDrawChannelsForMerge(ImGuiTable* table);
IMGUI_API void TableSortSpecsSanitize(ImGuiTable* table); IMGUI_API void TableSortSpecsSanitize(ImGuiTable* table);
IMGUI_API void TableSortSpecsBuild(ImGuiTable* table); IMGUI_API void TableSortSpecsBuild(ImGuiTable* table);
IMGUI_API void TableFixColumnSortDirection(ImGuiTableColumn* column);
IMGUI_API void TableBeginRow(ImGuiTable* table); IMGUI_API void TableBeginRow(ImGuiTable* table);
IMGUI_API void TableEndRow(ImGuiTable* table); IMGUI_API void TableEndRow(ImGuiTable* table);
IMGUI_API void TableBeginCell(ImGuiTable* table, int column_n); IMGUI_API void TableBeginCell(ImGuiTable* table, int column_n);

160
imgui_tables.cpp
View File

@ -6,6 +6,7 @@
Index of this file: Index of this file:
// [SECTION] Tables: BeginTable, EndTable, etc. // [SECTION] Tables: BeginTable, EndTable, etc.
// [SECTION] Tables: Sorting
// [SECTION] Tables: Headers // [SECTION] Tables: Headers
// [SECTION] Tables: Context Menu // [SECTION] Tables: Context Menu
// [SECTION] Tables: Settings (.ini data) // [SECTION] Tables: Settings (.ini data)
@ -556,19 +557,6 @@ static ImGuiTableColumnFlags TableFixColumnFlags(ImGuiTable* table, ImGuiTableCo
return flags; return flags;
} }
static void TableFixColumnSortDirection(ImGuiTableColumn* column)
{
// Initial sort state
if (column->SortDirection == ImGuiSortDirection_None)
column->SortDirection = (column->Flags & ImGuiTableColumnFlags_PreferSortDescending) ? (ImS8)ImGuiSortDirection_Descending : (ImS8)(ImGuiSortDirection_Ascending);
// Handle NoSortAscending/NoSortDescending
if (column->SortDirection == ImGuiSortDirection_Ascending && (column->Flags & ImGuiTableColumnFlags_NoSortAscending))
column->SortDirection = ImGuiSortDirection_Descending;
else if (column->SortDirection == ImGuiSortDirection_Descending && (column->Flags & ImGuiTableColumnFlags_NoSortDescending))
column->SortDirection = ImGuiSortDirection_Ascending;
}
// Minimum column content width (without padding) // Minimum column content width (without padding)
static float TableGetMinColumnWidth() static float TableGetMinColumnWidth()
{ {
@ -2172,72 +2160,6 @@ void ImGui::TablePopBackgroundChannel()
table->DrawSplitter.SetCurrentChannel(window->DrawList, column->DrawChannelCurrent); table->DrawSplitter.SetCurrentChannel(window->DrawList, column->DrawChannelCurrent);
} }
// Note that the NoSortAscending/NoSortDescending flags are processed in TableSortSpecsSanitize(), and they may change/revert
// the value of SortDirection. We could technically also do it here but it would be unnecessary and duplicate code.
void ImGui::TableSetColumnSortDirection(int column_n, ImGuiSortDirection sort_direction, bool append_to_sort_specs)
{
ImGuiContext& g = *GImGui;
ImGuiTable* table = g.CurrentTable;
if (!(table->Flags & ImGuiTableFlags_MultiSortable))
append_to_sort_specs = false;
ImS8 sort_order_max = 0;
if (append_to_sort_specs)
for (int other_column_n = 0; other_column_n < table->ColumnsCount; other_column_n++)
sort_order_max = ImMax(sort_order_max, table->Columns[other_column_n].SortOrder);
ImGuiTableColumn* column = &table->Columns[column_n];
column->SortDirection = (ImS8)sort_direction;
if (column->SortOrder == -1 || !append_to_sort_specs)
column->SortOrder = append_to_sort_specs ? sort_order_max + 1 : 0;
for (int other_column_n = 0; other_column_n < table->ColumnsCount; other_column_n++)
{
ImGuiTableColumn* other_column = &table->Columns[other_column_n];
if (other_column != column && !append_to_sort_specs)
other_column->SortOrder = -1;
TableFixColumnSortDirection(other_column);
}
table->IsSettingsDirty = true;
table->IsSortSpecsDirty = true;
}
// Return NULL if no sort specs (most often when ImGuiTableFlags_Sortable is not set)
// You can sort your data again when 'SpecsChanged == true'. It will be true with sorting specs have changed since
// last call, or the first time.
// Lifetime: don't hold on this pointer over multiple frames or past any subsequent call to BeginTable()!
ImGuiTableSortSpecs* ImGui::TableGetSortSpecs()
{
ImGuiContext& g = *GImGui;
ImGuiTable* table = g.CurrentTable;
IM_ASSERT(table != NULL);
if (!(table->Flags & ImGuiTableFlags_Sortable))
return NULL;
// Require layout (in case TableHeadersRow() hasn't been called) as it may alter IsSortSpecsDirty in some paths.
if (!table->IsLayoutLocked)
TableUpdateLayout(table);
if (table->IsSortSpecsDirty)
TableSortSpecsBuild(table);
return table->SortSpecs.SpecsCount ? &table->SortSpecs : NULL;
}
bool ImGui::TableGetColumnIsSorted(int column_n)
{
ImGuiContext& g = *GImGui;
ImGuiTable* table = g.CurrentTable;
if (!table)
return false;
if (column_n < 0)
column_n = table->CurrentColumn;
ImGuiTableColumn* column = &table->Columns[column_n];
return (column->SortOrder != -1);
}
// Return -1 when table is not hovered. return columns_count if the unused space at the right of visible columns is hovered. // Return -1 when table is not hovered. return columns_count if the unused space at the right of visible columns is hovered.
int ImGui::TableGetHoveredColumn() int ImGui::TableGetHoveredColumn()
{ {
@ -2301,6 +2223,86 @@ void ImGui::TableSetBgColor(ImGuiTableBgTarget bg_target, ImU32 color, int colum
// - TableSortSpecsBuild() [Internal] // - TableSortSpecsBuild() [Internal]
//------------------------------------------------------------------------- //-------------------------------------------------------------------------
// Return NULL if no sort specs (most often when ImGuiTableFlags_Sortable is not set)
// You can sort your data again when 'SpecsChanged == true'. It will be true with sorting specs have changed since
// last call, or the first time.
// Lifetime: don't hold on this pointer over multiple frames or past any subsequent call to BeginTable()!
ImGuiTableSortSpecs* ImGui::TableGetSortSpecs()
{
ImGuiContext& g = *GImGui;
ImGuiTable* table = g.CurrentTable;
IM_ASSERT(table != NULL);
if (!(table->Flags & ImGuiTableFlags_Sortable))
return NULL;
// Require layout (in case TableHeadersRow() hasn't been called) as it may alter IsSortSpecsDirty in some paths.
if (!table->IsLayoutLocked)
TableUpdateLayout(table);
if (table->IsSortSpecsDirty)
TableSortSpecsBuild(table);
return table->SortSpecs.SpecsCount ? &table->SortSpecs : NULL;
}
bool ImGui::TableGetColumnIsSorted(int column_n)
{
ImGuiContext& g = *GImGui;
ImGuiTable* table = g.CurrentTable;
if (!table)
return false;
if (column_n < 0)
column_n = table->CurrentColumn;
ImGuiTableColumn* column = &table->Columns[column_n];
return (column->SortOrder != -1);
}
void ImGui::TableFixColumnSortDirection(ImGuiTableColumn* column)
{
// Initial sort state
if (column->SortDirection == ImGuiSortDirection_None)
column->SortDirection = (column->Flags & ImGuiTableColumnFlags_PreferSortDescending) ? (ImS8)ImGuiSortDirection_Descending : (ImS8)(ImGuiSortDirection_Ascending);
// Handle NoSortAscending/NoSortDescending
if (column->SortDirection == ImGuiSortDirection_Ascending && (column->Flags & ImGuiTableColumnFlags_NoSortAscending))
column->SortDirection = ImGuiSortDirection_Descending;
else if (column->SortDirection == ImGuiSortDirection_Descending && (column->Flags & ImGuiTableColumnFlags_NoSortDescending))
column->SortDirection = ImGuiSortDirection_Ascending;
}
// Note that the NoSortAscending/NoSortDescending flags are processed in TableSortSpecsSanitize(), and they may change/revert
// the value of SortDirection. We could technically also do it here but it would be unnecessary and duplicate code.
void ImGui::TableSetColumnSortDirection(int column_n, ImGuiSortDirection sort_direction, bool append_to_sort_specs)
{
ImGuiContext& g = *GImGui;
ImGuiTable* table = g.CurrentTable;
if (!(table->Flags & ImGuiTableFlags_MultiSortable))
append_to_sort_specs = false;
ImS8 sort_order_max = 0;
if (append_to_sort_specs)
for (int other_column_n = 0; other_column_n < table->ColumnsCount; other_column_n++)
sort_order_max = ImMax(sort_order_max, table->Columns[other_column_n].SortOrder);
ImGuiTableColumn* column = &table->Columns[column_n];
column->SortDirection = (ImS8)sort_direction;
if (column->SortOrder == -1 || !append_to_sort_specs)
column->SortOrder = append_to_sort_specs ? sort_order_max + 1 : 0;
for (int other_column_n = 0; other_column_n < table->ColumnsCount; other_column_n++)
{
ImGuiTableColumn* other_column = &table->Columns[other_column_n];
if (other_column != column && !append_to_sort_specs)
other_column->SortOrder = -1;
TableFixColumnSortDirection(other_column);
}
table->IsSettingsDirty = true;
table->IsSortSpecsDirty = true;
}
void ImGui::TableSortSpecsSanitize(ImGuiTable* table) void ImGui::TableSortSpecsSanitize(ImGuiTable* table)
{ {
IM_ASSERT(table->Flags & ImGuiTableFlags_Sortable); IM_ASSERT(table->Flags & ImGuiTableFlags_Sortable);