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Tables: fixed outer_width misreported to layout for use with SameLine when ScrollY is set but not ScrollX (#3704, #3414)

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ocornut
2021-01-11 11:25:30 +01:00
parent e485d451d1
commit 31a2f0c164
1 changed files with 15 additions and 11 deletions
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26
imgui_tables.cpp
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@@ -1240,15 +1240,10 @@ void ImGui::EndTable()
IM_ASSERT_USER_ERROR(outer_window->DC.ItemWidthStack.Size >= table->HostBackupItemWidthStackSize, "Too many PopItemWidth!");
PopID();
// Layout in outer window
// Restore window data that we modified
const float backup_outer_cursor_pos_x = outer_window->DC.CursorPos.x;
const float backup_outer_max_pos_x = outer_window->DC.CursorMaxPos.x;
const float backup_inner_max_pos_x = inner_window->DC.CursorMaxPos.x;
float max_pos_x = backup_inner_max_pos_x;
if (table->RightMostEnabledColumn != -1)
max_pos_x = ImMax(max_pos_x, table->Columns[table->RightMostEnabledColumn].MaxX);
if (table->ResizedColumn != -1)
max_pos_x = ImMax(max_pos_x, table->ResizeLockMinContentsX2);
inner_window->WorkRect = table->HostBackupWorkRect;
inner_window->ParentWorkRect = table->HostBackupParentWorkRect;
inner_window->SkipItems = table->HostSkipItems;
@@ -1256,28 +1251,37 @@ void ImGui::EndTable()
outer_window->DC.ItemWidth = table->HostBackupItemWidth;
outer_window->DC.ItemWidthStack.Size = table->HostBackupItemWidthStackSize;
outer_window->DC.ColumnsOffset = table->HostBackupColumnsOffset;
// 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->IsOuterRectAutoFitX ? table->WorkRect.GetWidth() : table->ColumnsAutoFitWidth;
const float outer_height = table->OuterRect.GetHeight();
if (inner_window != outer_window)
{
EndChild();
}
else
{
ImVec2 item_size(outer_width, table->OuterRect.GetHeight());
ItemSize(item_size);
ItemSize(ImVec2(outer_width, outer_height));
outer_window->DC.CursorPosPrevLine.x = table->OuterRect.Max.x;
}
// Override EndChild/ItemSize max extent with our own 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)
{
inner_window->DC.CursorMaxPos.x = max_pos_x; // Set contents width for scrolling
outer_window->DC.CursorMaxPos.x = ImMax(backup_outer_max_pos_x, backup_outer_cursor_pos_x + table->ColumnsGivenWidth + inner_window->ScrollbarSizes.x); // For scrolling
float max_pos_x = backup_inner_max_pos_x;
if (table->RightMostEnabledColumn != -1)
max_pos_x = ImMax(max_pos_x, table->Columns[table->RightMostEnabledColumn].MaxX);
if (table->ResizedColumn != -1)
max_pos_x = ImMax(max_pos_x, table->ResizeLockMinContentsX2);
inner_window->DC.CursorMaxPos.x = max_pos_x; // For inner scrolling
outer_window->DC.CursorMaxPos.x = ImMax(backup_outer_max_pos_x, backup_outer_cursor_pos_x + table->ColumnsGivenWidth + inner_window->ScrollbarSizes.x); // For outer scrolling
}
else
{
outer_window->DC.CursorMaxPos.x = ImMax(backup_outer_max_pos_x, table->WorkRect.Min.x + outer_width); // For auto-fit
outer_window->DC.CursorPosPrevLine.x = table->WorkRect.Max.x; // For consistent reaction to SameLine() // FIXME: Should be a feature of layout/ItemAdd
}
// Save settings