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LibGUI: Support double-click resizing column headers

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Columns can now be best-fit resized by double-clicking their
grabbable edges. When a default width is set and all data is empty,
double-clicking will restore the column to its original state.
This commit is contained in:
thankyouverycool 2021-03-17 20:11:44 -04:00 • committed by Andreas Kling
parent 663fd9abb4
commit 3cc7862487
Notes: sideshowbarker 2024-07-18 21:15:12 +09:00
4 changed files with 93 additions and 0 deletions
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36
Userland/Libraries/LibGUI/HeaderView.cpp
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@ -117,6 +117,20 @@ int HeaderView::section_count() const
return m_orientation == Gfx::Orientation::Horizontal ? model()->column_count() : model()->row_count();
}
void HeaderView::doubleclick_event(MouseEvent& event)
{
if (!model())
return;
int section_count = this->section_count();
for (int i = 0; i < section_count; ++i) {
if (section_resize_grabbable_rect(i).contains(event.position())) {
if (on_resize_doubleclick)
on_resize_doubleclick(i);
}
}
}
void HeaderView::mousedown_event(MouseEvent& event)
{
if (!model())
@ -361,6 +375,28 @@ void HeaderView::set_section_alignment(int section, Gfx::TextAlignment alignment
section_data(section).alignment = alignment;
}
void HeaderView::set_default_section_size(int section, int size)
{
if (orientation() == Gfx::Orientation::Horizontal && size < minimum_column_size)
size = minimum_column_size;
auto& data = section_data(section);
if (data.default_size == size)
return;
data.default_size = size;
data.has_initialized_default_size = true;
}
int HeaderView::default_section_size(int section) const
{
return section_data(section).default_size;
}
bool HeaderView::is_default_section_size_initialized(int section) const
{
return section_data(section).has_initialized_default_size;
}
bool HeaderView::is_section_visible(int section) const
{
return section_data(section).visibility;