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Tables: amend support for auto-resize. (#6807)

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Amend 3aceb61. Refer to tests "table_reported_size_outer_clipped" and "table_clip_auto_resize".
This commit is contained in:
ocornut 2023-09-11 20:38:40 +02:00
parent 556a1397a9
commit bed492da70
1 changed files with 15 additions and 10 deletions
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25
imgui_tables.cpp
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@ -319,14 +319,14 @@ bool ImGui::BeginTableEx(const char* name, ImGuiID id, int columns_count, ImG
// If an outer size is specified ahead we will be able to early out when not visible. Exact clipping criteria may evolve.
const bool use_child_window = (flags & (ImGuiTableFlags_ScrollX | ImGuiTableFlags_ScrollY)) != 0;
const ImVec2 avail_size = GetContentRegionAvail();
ImVec2 actual_outer_size = CalcItemSize(outer_size, ImMax(avail_size.x, 1.0f), use_child_window ? ImMax(avail_size.y, 1.0f) : 0.0f);
ImRect outer_rect(outer_window->DC.CursorPos, outer_window->DC.CursorPos + actual_outer_size);
if (use_child_window && IsClippedEx(outer_rect, 0))
if (outer_window->AutoFitFramesX <= 0 && outer_window->AutoFitFramesY <= 0)
{
ItemSize(outer_rect);
return false;
}
const ImVec2 actual_outer_size = CalcItemSize(outer_size, ImMax(avail_size.x, 1.0f), use_child_window ? ImMax(avail_size.y, 1.0f) : 0.0f);
const ImRect outer_rect(outer_window->DC.CursorPos, outer_window->DC.CursorPos + actual_outer_size);
const bool outer_window_is_measuring_size = (outer_window->AutoFitFramesX > 0) || (outer_window->AutoFitFramesY > 0); // Doesn't apply to auto-fitting windows!
if (use_child_window && IsClippedEx(outer_rect, 0) && !outer_window_is_measuring_size)
{
ItemSize(outer_rect);
return false;
}
// Acquire storage for the table
ImGuiTable* table = g.Tables.GetOrAddByKey(id);
@ -405,6 +405,10 @@ bool ImGui::BeginTableEx(const char* name, ImGuiID id, int columns_count, ImG
table->InnerRect = table->InnerWindow->InnerRect;
IM_ASSERT(table->InnerWindow->WindowPadding.x == 0.0f && table->InnerWindow->WindowPadding.y == 0.0f && table->InnerWindow->WindowBorderSize == 0.0f);
// Allow submitting when host is measuring
if (table->InnerWindow->SkipItems && outer_window_is_measuring_size)
table->InnerWindow->SkipItems = false;
// 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)
{
@ -847,8 +851,8 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
table->RightMostEnabledColumn = (ImGuiTableColumnIdx)prev_visible_column_idx;
IM_ASSERT(table->LeftMostEnabledColumn >= 0 && table->RightMostEnabledColumn >= 0);
// [Part 2] Disable child window clipping while fitting columns. This is not strictly necessary but makes it possible
// to avoid the column fitting having to wait until the first visible frame of the child container (may or not be a good thing).
// [Part 2] Disable child window clipping while fitting columns. This is not strictly necessary but makes it possible to avoid
// the column fitting having to wait until the first visible frame of the child container (may or not be a good thing). Also see #6510.
// FIXME-TABLE: for always auto-resizing columns may not want to do that all the time.
if (has_auto_fit_request && table->OuterWindow != table->InnerWindow)
table->InnerWindow->SkipItems = false;
@ -1061,6 +1065,7 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
column->IsRequestOutput = is_visible || column->AutoFitQueue != 0 || column->CannotSkipItemsQueue != 0;
// Mark column as SkipItems (ignoring all items/layout)
// (table->HostSkipItems is a copy of inner_window->SkipItems before we cleared it above in Part 2)
column->IsSkipItems = !column->IsEnabled || table->HostSkipItems;
if (column->IsSkipItems)
IM_ASSERT(!is_visible);