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Revert "LibGUI: Fix undo stack reporting wrong modified state"

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This reverts commit 0b7e19e2bb.

Let's reverse the direction of the undo stack to fix the confusion.
This commit is contained in:
Andreas Kling 2021-05-08 13:48:07 +02:00
parent 29e323269c
commit 2ef4fbc5c1
2 changed files with 6 additions and 12 deletions
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16
Userland/Libraries/LibGUI/UndoStack.cpp
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@ -92,12 +92,16 @@ void UndoStack::finalize_current_combo()
void UndoStack::set_current_unmodified()
{
m_clean_index = non_empty_stack_index();
// Skip empty container
if (can_undo() && m_stack[m_stack_index].commands.is_empty())
m_clean_index = m_stack_index + 1;
else
m_clean_index = m_stack_index;
}
bool UndoStack::is_current_modified() const
{
return !m_clean_index.has_value() || non_empty_stack_index() != m_clean_index.value();
return !m_clean_index.has_value() || m_stack_index != m_clean_index.value();
}
void UndoStack::clear()
@ -107,12 +111,4 @@ void UndoStack::clear()
m_clean_index.clear();
}
size_t UndoStack::non_empty_stack_index() const
{
if (can_undo() && m_stack[m_stack_index].commands.is_empty())
return m_stack_index + 1;
else
return m_stack_index;
}
}