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Spreadsheet: Implement infinit-scroll for columns

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This naturally also implements multi-char columns, and also integrates
it into the js runtime (such columns can be named in ranges too).
This commit is contained in:
AnotherTest 2020-11-27 13:55:14 +03:30 • committed by Andreas Kling
parent f6ae4edbd2
commit 474453244b
7 changed files with 233 additions and 50 deletions
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14
Applications/Spreadsheet/SpreadsheetView.cpp
View file

@ -62,10 +62,15 @@ void InfinitelyScrollableTableView::did_scroll()
{
TableView::did_scroll();
auto& vscrollbar = vertical_scrollbar();
auto& hscrollbar = horizontal_scrollbar();
if (vscrollbar.is_visible() && vscrollbar.value() == vscrollbar.max()) {
if (on_reaching_vertical_end)
on_reaching_vertical_end();
}
if (hscrollbar.is_visible() && hscrollbar.value() == hscrollbar.max()) {
if (on_reaching_horizontal_end)
on_reaching_horizontal_end();
}
}
void SpreadsheetView::update_with_model()
@ -92,6 +97,15 @@ SpreadsheetView::SpreadsheetView(Sheet& sheet)
};
update_with_model();
};
m_table_view->on_reaching_horizontal_end = [&]() {
for (size_t i = 0; i < 10; ++i) {
m_sheet->add_column();
auto last_column_index = m_sheet->column_count() - 1;
m_table_view->set_column_width(last_column_index, 50);
m_table_view->set_column_header_alignment(last_column_index, Gfx::TextAlignment::Center);
}
update_with_model();
};
set_focus_proxy(m_table_view);