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Tables: fixed matching width of synchronized tables when only some (not all) instances have a vertical scrollbar. (#5920)

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ocornut
2022-12-08 19:53:57 +01:00
parent 0949acb6e6
commit 317b33d647
4 changed files with 22 additions and 4 deletions
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11
imgui_tables.cpp
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@ -395,6 +395,14 @@ bool ImGui::BeginTableEx(const char* name, ImGuiID id, int columns_count, ImG
table->OuterRect = table->InnerWindow->Rect();
table->InnerRect = table->InnerWindow->InnerRect;
IM_ASSERT(table->InnerWindow->WindowPadding.x == 0.0f && table->InnerWindow->WindowPadding.y == 0.0f && table->InnerWindow->WindowBorderSize == 0.0f);
// When using multiple instances, ensure they have the same amount of horizontal decorations (aka vertical scrollbar) so stretched columns can be aligned)
if (instance_no == 0)
{
table->HasScrollbarYPrev = table->HasScrollbarYCurr;
table->HasScrollbarYCurr = false;
}
table->HasScrollbarYCurr |= (table->InnerWindow->ScrollMax.y > 0.0f);
}
else
{
@ -893,7 +901,8 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
// [Part 4] Apply final widths based on requested widths
const ImRect work_rect = table->WorkRect;
const float width_spacings = (table->OuterPaddingX * 2.0f) + (table->CellSpacingX1 + table->CellSpacingX2) * (table->ColumnsEnabledCount - 1);
const float width_avail = ((table->Flags & ImGuiTableFlags_ScrollX) && table->InnerWidth == 0.0f) ? table->InnerClipRect.GetWidth() : work_rect.GetWidth();
const float width_removed = (table->HasScrollbarYPrev && !table->InnerWindow->ScrollbarY) ? g.Style.ScrollbarSize : 0.0f; // To synchronize decoration width of synched tables with mismatching scrollbar state (#5920)
const float width_avail = ImMax(1.0f, (((table->Flags & ImGuiTableFlags_ScrollX) && table->InnerWidth == 0.0f) ? table->InnerClipRect.GetWidth() : work_rect.GetWidth()) - width_removed);
const float width_avail_for_stretched_columns = width_avail - width_spacings - sum_width_requests;
float width_remaining_for_stretched_columns = width_avail_for_stretched_columns;
table->ColumnsGivenWidth = width_spacings + (table->CellPaddingX * 2.0f) * table->ColumnsEnabledCount;