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Tables: rework submission of content size and ideal content size to outer window (now using IdealMaxPos introduced in 6af92b0).

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See Tests suite "table_reported_size_outer".
This commit is contained in:
ocornut
2021-01-19 23:08:12 +01:00
parent f379dc28a3
commit ae0d2dd614
2 changed files with 30 additions and 14 deletions
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42
imgui_tables.cpp
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@@ -1289,28 +1289,44 @@ void ImGui::EndTable()
// Layout in outer window
// (FIXME: To allow auto-fit and allow desirable effect of SameLine() we dissociate 'used' vs 'ideal' size by overriding
// CursorPosPrevLine and CursorMaxPos manually. That should be a more general layout feature, see same problem e.g. #3414)
const float outer_width = table->IsOuterRectMinFitX ? table->WorkRect.GetWidth() : table->ColumnsAutoFitWidth;
const float outer_height = table->OuterRect.GetHeight();
if (inner_window != outer_window)
{
EndChild();
}
else
{
ItemSize(ImVec2(outer_width, outer_height));
outer_window->DC.CursorPosPrevLine.x = table->OuterRect.Max.x;
ItemSize(table->OuterRect.GetSize());
ItemAdd(table->OuterRect, 0);
}
// Override declared contents width to enable auto-resize on the X axis when possible.
// FIXME-TABLE: This can be improved (e.g. for Fixed columns we don't want to auto AutoFitWidth? or propagate window auto-fit to table?)
if (table->Flags & ImGuiTableFlags_ScrollX)
outer_window->DC.CursorMaxPos.x = ImMax(backup_outer_max_pos.x, table->OuterRect.Min.x + table->ColumnsGivenWidth + inner_window->ScrollbarSizes.x); // For outer scrolling
// Override declared contents width/height to enable auto-resize while not needlessly adding a scrollbar
if (table->IsOuterRectMinFitX)
{
// FIXME-TABLE: Could we remove this section?
IM_ASSERT((table->Flags & ImGuiTableFlags_ScrollX) == 0);
outer_window->DC.CursorMaxPos.x = ImMax(backup_outer_max_pos.x, table->OuterRect.Min.x + table->ColumnsAutoFitWidth);
}
else if (table->UserOuterSize.x <= 0.0f)
{
const float decoration_size = (table->Flags & ImGuiTableFlags_ScrollX) ? inner_window->ScrollbarSizes.x : 0.0f;
outer_window->DC.IdealMaxPos.x = ImMax(outer_window->DC.IdealMaxPos.x, table->OuterRect.Min.x + table->ColumnsAutoFitWidth + decoration_size - table->UserOuterSize.x);
outer_window->DC.CursorMaxPos.x = ImMax(backup_outer_max_pos.x, ImMin(table->OuterRect.Max.x, table->OuterRect.Min.x + table->ColumnsAutoFitWidth));
}
else
outer_window->DC.CursorMaxPos.x = ImMax(backup_outer_max_pos.x, table->WorkRect.Min.x + outer_width); // For auto-fit
// Override declared contents height
if (inner_window == outer_window && !(flags & ImGuiTableFlags_NoHostExtendY))
outer_window->DC.CursorMaxPos.y = ImMax(outer_window->DC.CursorMaxPos.y, inner_content_max_y);
{
outer_window->DC.CursorMaxPos.x = ImMax(backup_outer_max_pos.x, table->OuterRect.Max.x);
}
if (table->UserOuterSize.y <= 0.0f)
{
const float decoration_size = (table->Flags & ImGuiTableFlags_ScrollY) ? inner_window->ScrollbarSizes.y : 0.0f;
outer_window->DC.IdealMaxPos.y = ImMax(outer_window->DC.IdealMaxPos.y, inner_content_max_y + decoration_size - table->UserOuterSize.y);
outer_window->DC.CursorMaxPos.y = ImMax(backup_outer_max_pos.y, ImMin(table->OuterRect.Max.y, inner_content_max_y));
}
else
{
// OuterRect.Max.y may already have been pushed downward from the initial value (unless ImGuiTableFlags_NoHostExtendY is set)
outer_window->DC.CursorMaxPos.y = ImMax(backup_outer_max_pos.y, table->OuterRect.Max.y);
}
// Save settings
if (table->IsSettingsDirty)