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Tables: Clarified that TableSetColumnEnabled() requires the table to use the ImGuiTableFlags_Hideable flag. (#3935)

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This commit is contained in:
ocornut 2021-06-07 13:20:25 +02:00
parent 689e387180
commit b918751ff4
2 changed files with 8 additions and 4 deletions
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2
docs/CHANGELOG.txt
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@ -37,6 +37,8 @@ HOW TO UPDATE?
Other Changes:
- TabBar: Fixed using more than 32 KB-worth of tab names. (#4176)
- Tables: Clarified that TableSetColumnEnabled() requires the table to use the ImGuiTableFlags_Hideable flag,
because it manipulates the user-accessible show/hide state. (#3935)
- Tables: Added ImGuiTableColumnFlags_NoHeaderLabel to request TableHeadersRow() to not submit label for a column.
Convenient for some small columns. Name will still appear in context menu. (#4206).
- Tables: Fix columns order on TableSetupScrollFreeze() if previous data got frozen columns out of their section.

10
imgui_tables.cpp
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@ -1499,7 +1499,7 @@ void ImGui::TableSetupScrollFreeze(int columns, int rows)
// - TableGetColumnCount()
// - TableGetColumnName()
// - TableGetColumnName() [Internal]
// - TableSetColumnEnabled() [Internal]
// - TableSetColumnEnabled()
// - TableGetColumnFlags()
// - TableGetCellBgRect() [Internal]
// - TableGetColumnResizeID() [Internal]
@ -1535,10 +1535,11 @@ const char* ImGui::TableGetColumnName(const ImGuiTable* table, int column_n)
return &table->ColumnsNames.Buf[column->NameOffset];
}
// Request enabling/disabling a column (often perceived as "showing/hiding" from users point of view)
// Change user accessible enabled/disabled state of a column (often perceived as "showing/hiding" from users point of view)
// Note that end-user can use the context menu to change this themselves (right-click in headers, or right-click in columns body with ImGuiTableFlags_ContextMenuInBody)
// Request will be applied during next layout, which happens on the first call to TableNextRow() after BeginTable()
// For the getter you can use (TableGetColumnFlags() & ImGuiTableColumnFlags_IsEnabled)
// - Require table to have the ImGuiTableFlags_Hideable flag because we are manipulating user accessible state.
// - Request will be applied during next layout, which happens on the first call to TableNextRow() after BeginTable().
// - For the getter you can test (TableGetColumnFlags() & ImGuiTableColumnFlags_IsEnabled) != 0.
void ImGui::TableSetColumnEnabled(int column_n, bool enabled)
{
ImGuiContext& g = *GImGui;
@ -1546,6 +1547,7 @@ void ImGui::TableSetColumnEnabled(int column_n, bool enabled)
IM_ASSERT(table != NULL);
if (!table)
return;
IM_ASSERT(table->Flags & ImGuiTableFlags_Hideable); // See comments above
if (column_n < 0)
column_n = table->CurrentColumn;
IM_ASSERT(column_n >= 0 && column_n < table->ColumnsCount);